US20070112265A1 - Fluid Injection System Providing Visual Stimuli - Google Patents
Fluid Injection System Providing Visual Stimuli Download PDFInfo
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- US20070112265A1 US20070112265A1 US11/623,490 US62349007A US2007112265A1 US 20070112265 A1 US20070112265 A1 US 20070112265A1 US 62349007 A US62349007 A US 62349007A US 2007112265 A1 US2007112265 A1 US 2007112265A1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
- A61M5/14546—Front-loading type injectors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
- A61M5/16827—Flow controllers controlling delivery of multiple fluids, e.g. sequencing, mixing or via separate flow-paths
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/172—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body electrical or electronic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/007—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests for contrast media
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A fluid injection system includes an injector comprising a drive mechanism and an illumination device, a fluid container operably associated with the drive mechanism, and a control device operably associated with the drive mechanism. The control device comprises a computer screen having at least one element affiliated with the illumination device. The illumination device and the at least one element emit light of the same color. Further, a method of operating an injector system providing visual stimuli corresponding to a programmed injection protocol includes perceiving visual stimuli provided by an injector or a control device of the injector system, recognizing a pattern provided by the visual stimuli, correlating the recognized pattern to the programmed injection protocol, determining whether the programmed injection protocol is a desired injection protocol, and initiating the programmed injection protocol, if it is determined that the programmed injection protocol is the desired injection protocol.
Description
- This application is a continuation of application Ser. No. 09/715,330, filed on Nov. 17, 2000, now U.S. Pat. No. 6,643,537, which is continuation-in-part of application Ser. No. 09/365,278, filed on Jul. 30, 1999, now U.S. Pat. No. 6,339,718, the contents of which are hereby incorporated by reference.
- This application is related to pending application Ser. No. 09/941,224, filed on Aug. 28, 2001, and to pending application Ser. No. 10/309,413, filed on Dec. 3, 2002.
- The present invention generally relates to powered injectors and syringes for use therewith, and more particularly, to methods and apparatus for automatically controlling the same.
- A number of injector-actuated syringes and powered injectors for use in medical procedures such as angiography, computed tomography, ultrasound and NMR/MRI have been developed. U.S. Pat. No. 4,006,736, for example, discloses an injector and syringe for injecting fluid into the vascular system of a human being or an animal. Typically, such injectors comprise drive members such as pistons that connect to a syringe plunger. For example, U.S. Pat. No. 4,677,980, discloses an angiographic injector and syringe wherein the drive member of the injector can be connected to, or disconnected from, the syringe plunger at any point along the travel path of the plunger via a releasable mechanism. A front-loading syringe and injector system is also disclosed in U.S. Pat. No. 5,383,858.
- U.S. Pat. No. 5,494,036 discloses a patient infusion system adapted for use in MRI. The infusion system is designed to be substantially non-reactive with the magnetic field generated by the magnetic resonance imaging system for producing diagnostic images.
- Medrad has also developed a control arrangement (“SPECTRIS”) for an MRI infusion system that uses two syringes, namely, one for the introduction of contrast medium into a patient and the other for a flushing medium. As is known conventionally, it is often desirable to flush from the tubing of an infusion system a residual quantity of contrast medium that remains there after a given infusion procedure, as contrast medium tends to be expensive and its efficient use, without waste, is often seen as a top priority. The “SPECTRIS” control arrangement will thus not only account for the residual contrast medium left in the tubing, and aim to use it in an infusion procedure, but will utilize a much cheaper flushing medium, such as a saline solution, in order to serve the purpose of pushing the residual contrast medium through the tubing and even through the patent's body (so as to “push” and deliver contrast medium to a region of interest in the body). Other advantageous purposes have also been recognized in connection with such flushing media, such as maintaining a flow through the patient's veins for a predetermined period of time in order that the veins will be better prepared to subsequently receive a new infusion of contrast medium.
- The “SPECTRIS” control arrangement is a pre-programmable arrangement for establishing a precise protocol for the infusion of contrast medium followed by flushing medium. At the time that the “SPECTRIS” system was established, needs in the industry were generally such that only some very simple protocols were desired. Thus, the “SPECTRIS” system addressed such needs by permitting protocols in which one or two “phases” of contrast medium took place followed by zero, one or two “phases” of flushing medium infusion. “Phase” refers to the application of a given quantity of a given medium at, for example, a fixed flowrate for a fixed period of time. Thus, up to two phases each of contrast medium and flushing medium, for example, were permitted by the “SPECTRIS” system, in order to provide a patient with different modes of infusion one after the other to serve particular purposes.
- Of late, however, some disadvantages have been noted in connection with the “SPECTRIS” control system and other related systems. Not the least of these is the lack of flexibility in developing and administering infusion protocols to a patient, as the “SPECTRIS” system would allow no more than two distinct phases for each medium, and no single phase of flushing medium infusion could take place between two different phases of contrast medium infusion.
- A further disadvantage has been recognized in that the aforementioned phases will typically be administered one after the other without the opportunity for an intermediate pause or hold between phases. This would appear to limit the convenience and utility of the system in question in many respects.
- Nemoto and Co., Ltd., of Tokyo, Japan has also developed a control system for an MR injector. However, this appears to be even less flexible than the “SPECTRIS” system in that only protocols consisting of no more than one contrast medium infusion and no more than one flushing medium infusion appear to be permitted.
- In the realm of CT (computed tomography) injection technology, Medrad has developed the “ENVISION” control system. As flushing media have generally not been hitherto employed in CT injector systems, the “ENVISION” system, much as any conventional CT injector control system, contemplates only the use of a single syringe for patient infusion, and solely for use with contrast medium. The “ENVISION” system permits protocols that employ up to eight different phases of contrast medium infusion, wherein each phase may employ a different infusion flowrate, infusion quantity and/or infusion duration. Pre-programmed pauses between infusion phases are also conceivable within such a context.
- Evolving needs have thus been recognized in connection with providing an injection control system that is much more readily adaptable to a wider range of contexts.
- Generally, at least one presently preferred embodiment of the present invention broadly contemplates a fluid injection arrangement, in the context of patient imaging systems, in which phases of contrast medium injection and flushing medium injection can be freely and selectably ordered so as to make available to the operator and patient a vast array of possible protocols that has hitherto been essentially unattainable.
- The present invention also broadly contemplates the use of a “hold” phase, involving an indefinite pause between phases of a protocol, in connection with such imaging systems. One advantage of a “hold” phase is that it permits some time for the operator to render supplementary judgnents, following the administration of the phase(s) before the “hold”, that could be of value when administering the phase(s) that occur(s) after the “hold”. For example, the “hold” phase could permit an operator to alter the parameters for the phases not yet undertaken.
- In addition, the present invention broadly contemplates the use of “pattern recognition,” through recognizing a graphical or iconic pattern of words, numbers, geometric shapes, and possibly other visual stimuli that in sum correspond to a given protocol, to permit an operator to quickly and efficiently recognize the makeup of a given protocol.
- In one aspect, the present invention provides an apparatus and method for operating an injector providing stimuli corresponding to an injection protocol. The method includes perceiving the stimuli, recognizing a pattern provided by the stimuli, correlating the recognized pattern to the injection protocol, and interacting with the injector based on the recognized pattern.
- The stimuli provided by the injector may, in a preferred embodiment of the present invention, comprise visual stimuli including, but not limited to, words, numbers, shapes and colors.
- Also broadly contemplated herein is the use of a “pause” phase in which a pause of fixed duration is pre-programmed into the protocols of MRI injector systems.
- In further summary, at least one presently preferred embodiment of the present invention broadly embraces fluid injection apparatus comprising: at least one drive mechanism; at least two fluid containers operably associated with the at least one drive mechanism, one fluid container containing a contrast medium and the other fluid container containing a flushing medium; and a control device operably associated with the at least one drive mechanism; wherein the control device is operable to: selectively program a plurality of phases of an injection procedure, at least one phase comprising one of: a contrast medium phase, a flushing medium phase, a pause phase and a hold phase; and selectively modify at least one phase of the injection procedure.
- In addition, at least one presently preferred embodiment of the present invention broadly embraces a fluid injection apparatus comprising: at least one drive mechanism; at least two fluid containers operably associated with the at least one drive mechanism, one fluid container containing a contrast medium and the other fluid container containing a flushing medium; and a control device operably associated with the at least one drive mechanism; wherein at least one of the fluid containers includes an illumination element; and wherein the control device includes at least one element affiliated with the illumination element.
- Additionally, at least one presently preferred embodiment of the present invention broadly embraces a fluid injection apparatus comprising: at least one drive mechanism; at least two fluid containers operably associated with the at least one drive mechanism, one fluid container containing a contrast medium and the other fluid container containing a flushing medium; and a control device operably associated with the at least one drive mechanism; wherein the control device is operable to: selectively program a plurality of phases of an injection procedure, at least one phase comprising one of: a contrast medium phase, a flushing medium phase, a pause phase and a hold phase; produce, during programming, a graphical display indicating at least the phases; and selectively recreate a facsimile of the graphical display at a subsequent time.
- Furthermore, at least one presently preferred embodiment of the present invention broadly embraces a fluid injection apparatus comprising: at least one drive mechanism; at least two fluid containers operably associated with the at least one drive mechanism, one fluid container containing a contrast medium and the other fluid container containing a flushing medium; and a control device operably associated with the at least one drive mechanism; wherein the control device is operable to selectively program a plurality of phases of an injection procedure, at least one phase comprising one of: a contrast medium phase and a flushing medium phase; wherein the control device is further operable to selectively establish and control a KVO state independently from the programming of any of the phases.
- Moreover, at least one presently preferred embodiment of the present invention broadly embraces a fluid injection apparatus comprising: at least one drive mechanism; at least two fluid containers operably associated with the at least one drive mechanism, one fluid container containing a contrast medium and the other fluid container containing a flushing medium; and a control device operably associated with the at least one drive mechanism; wherein the control device is operable to selectively program a plurality of phases of an injection procedure; at least one phase comprising one of: a contrast medium phase and a flushing medium phase; at least one phase comprising a hold phase.
- Additionally, at least one presently preferred embodiment of the present invention broadly embraces a fluid injection apparatus comprising: at least one drive mechanism; at least two fluid containers operably associated with the at least one drive mechanism, one fluid container containing a contrast medium and the other fluid container containing a flushing medium; and a control device operably associated with the at least one drive mechanism; wherein the control device is operable to selectively program a plurality of phases of an injection procedure, at least one phase comprising one of: a contrast medium phase, a flushing medium phase, a pause phase and a hold phase; the control device further being operable to selectively store a protocol comprising a plurality of the phases and selectively recall the protocol at a subsequent time for use in an injection procedure.
- Furthermore, at least one presently preferred embodiment of the present invention broadly embraces a fluid injection apparatus comprising: at least one drive mechanism; at least two fluid containers operably associated with the at least one drive mechanism, one fluid container containing a contrast medium and the other fluid container containing a flushing medium; and a control device operably associated with the at least one drive mechanism; wherein the control device is operable to selectively program a plurality of phases of an injection procedure; at least one phase comprising one of a contrast medium phase and a flushing medium phase; at least one phase comprising a pause phase.
- Numerous other objects and advantages of the present invention will be apparent from the following drawings and detailed description of the invention and its preferred embodiments.
- The present invention and its presently preferred embodiments will be better understood by way of reference to the detailed disclosure herebelow and to the accompanying drawings, wherein:
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FIG. 1 is a schematic depiction of a conventional magnetic resonance imaging (MRI) injector system arrangement; -
FIG. 2 is a pictographic depiction of a conventional MRI injector system arrangement; -
FIGS. 3-6 are various depictions of a control screen arrangement for use with different protocols; -
FIG. 7 is a schematic depiction of syringes with illumination elements; -
FIGS. 8 and 9 are depictions of a control screen arrangement for use with another protocol; -
FIG. 10 is a depiction of a control screen arrangement for use with a further protocol; and -
FIGS. 11-20 are depictions of control screen arrangements for use with yet another protocol. -
FIG. 21 is a depiction of a control screen arrangement permitting the recall of any of a number of different protocols. -
FIGS. 1 and 2 generally illustrate a conventional MRI injector system arrangement, such as is disclosed in U.S. Pat. No. 5,494,036 to Uber et al, the contents of which are incorporated herein by reference. A magnetic resonance injector system is shown generally at 10. The MRI system includes asystem controller 12, which incorporates acomputer 14 and a battery-chargingunit 16. Thesystem controller 12 is located externally of theimaging room 17, the imaging room being shielded from electromagnetic interference by ashield 18. - Isolation can be achieved by completely enclosing the room with copper sheet material or some other suitable, conductive layer such as wire mesh.
Communication line 20, connects thesystem controller 12 with an external infrared/optical communications transceiver 22. The shieldedimaging room 17 also incorporates apatient viewing window 24 in theshield 18 which allows an operator to view the imaging room. Thewindow 24 can be formed by sandwiching a wire mesh material (not shown) between sheets of glass or coating the window with a thin coating of conductive material such as gold (not shown) to maintain the continuity of theelectromagnetic shield 18. - An infrared/
optical communications transceiver 26 is positioned internally of theimaging room 17 at theviewing window 24 opposite theexternal communications transceiver 22 such that the internal and external communications transceivers communicate with each other through the viewing window with no breach of the electromagnetic shield. A communications link 28 located within the shielded area connects the internal infrared/optical transceiver with aninjection control unit 30. Theinjection control unit 30 is powered advantageously byrechargeable battery 32. Theinjection control unit 30 also incorporates control circuitry that controlselectric motors electromagnetic shield 37 to prevent interference with the magnetic field used to generate the magnetic resonance image. - The injection head unit should preferably be located in close proximity to the patient in order to decrease the distance that the contrast media fluid must travel from the contrast media injectors. The
injection head unit 38 includes contrast media injection syringe andpiston units syringes mechanical drive shafts - The disclosure now turns to an embodiment of the present invention, as illustrated in
FIGS. 3-6 , that could conceivably be employed in connection with a MRI injector system such as that shown inFIGS. 1 and 2 or with any other of a wide range of MR, CT, angiographic or ultrasound injector systems. These possible uses of at least one embodiment of the present invention are elucidated in greater detail herebelow. - Shown schematically in
FIGS. 3-6 are various incarnations of atouch screen arrangement 200 that could be employed in accordance with at least one presently preferred embodiment of the present invention. As a non-restrictive example, such a touch screen arrangement could be utilized in conjunction with asystem controller 12 andcomputer 14 such as that described and illustrated hereinabove with respect toFIGS. 1 and 2 . While a touch screen arrangement is contemplated in connection withFIGS. 3-6 , it is to be understood that other types of data entry arrangements are conceivable that would achieve an equivalent purpose. Display fields 210, 220 could also be touch fields used for desired purpose. For example, soft or hard key entry could be used, as well as trackball arrangements, mouse arrangements, or a cursor control touch pad (remote from the screen). - As shown in
FIG. 3 ,touch screen arrangement 200 may permit for the display of adisplay field 210 corresponding to the available quantity of contrast medium, avariable column 212 of touch fields for facilitating the entry of control parameters relating to contrast medium, avariable column 214 of touch fields relating to flowrate, avariable column 216 of touch fields relating to volume, avariable column 218 of touch fields for facilitating the entry of control parameters relating to flushing medium and adisplay field 220 corresponding to the available quantity of flushing medium. Display fields 210, 220 could also be touch fields used for a desired purpose. - The term “contrast medium”, as employed herein, refers to essentially any suitable type of medium, as used in the medical arts, that is injected into a patient and, in the context of an imaging process (such as MR, angiography, ultrasound or CT), facilitates in highlighting selected areas of the patient's body while he/she is being scanned. In addition, the term “contrast medium”, as employed herein, also refers to other diagnostic or therapeutic agents for injection into patients. The term “flushing medium”, as employed herein, refers to essentially any suitable type of medium, such as a saline solution, that can be used to flush contrast medium from the tubing of an infusion system and that is well-suited for flowing through the patient's body so as to serve a useful supplementary purpose, such as keeping his/her veins open in preparation for another infusion of contrast medium.
- As will be appreciated throughout this disclosure, the
touch screen arrangement 200 is preferably configured for permitting the operator to freely and flexibly incorporate phases of contact medium infusion and phases of flushing medium infusion with respect to one another in a manner that has hitherto apparently not been contemplated nor realized. (A definition of “phases” may be found in the “Background” section of this disclosure). Further, the present invention also broadly contemplates, in accordance with at least one presently preferred embodiment, optional “hold” and “pause” phases as discussed herebelow. - Accordingly,
FIG. 3 illustrates one conceivable protocol that may be entered in accordance with an embodiment of the present invention. As shown, displays 210 and 220 show that 50 ml of contrast medium are available, as are 83 ml of flushing medium. Also, the operator has selected the provision of two phases of contrast medium followed by one phase of flushing medium. - Preferably, the first phase of contrast medium infusion will have been set by activating the
touch field 1 incolumn 212, followed by activating the corresponding entry fields incolumns fields - As shown, a second phase of contrast medium infusion has also been set in similar manner, but this time by activating
touch field 2 incolumn 212, followed by activating the corresponding entry fields incolumns - For the third phase, as shown in
FIG. 3 , the operator has selected a flushing medium infusion phase, this time by activatingtouch field 3 incolumn 218 and then entering the desired flow rate and volume parameters in the corresponding fields incolumns - The result is a three-phase protocol that will result in the administration of: (1) a first phase of contrast medium infusion (10 ml ) at 2.0 ml/s; (2) a second phase of contrast medium infusion (20 ml) at 1.0 ml/s; and (3) a phase of flushing medium infusion (25 ml) at 1.0 ml/s. Such a protocol might be desirable, for example, when it is desired that a patient first receive a first, quick infusion of contrast medium of smaller volume (i.e., a bolus of contrast medium) so as to accentuate (for imaging purposes) a small, particularized part of the body where such an infusion may be desirable, followed by a second, slower infusion of contrast medium of larger volume (e.g., a trickle or drip of contrast medium) that would be of use in a part of the body where a faster flowrate might not be needed. An example of such a part of the body may be (e.g., peripheral vascular regions of the legs). The flushing phase, then, could subsequently be utilized for purposes such as those described heretofore.
- In a preferred embodiment of the present invention,
touch screen arrangement 200 may be so configured as to display only those data entry fields incolumns columns 212, 218), so that there will be no data fields visible incolumns FIG. 3 shows that no data fields are visible incolumns columns FIG. 3 , three phases have been entered and thetouch fields 4 incolumns columns touch fields 1 in the first row. - As shown, the incrementally emerging data fields in
columns FIG. 3 (as well asFIGS. 4-6 ), the data entry fields assume a darker shade in correspondence with a contrast medium infusion phase, while they assume a lighter shade in correspondence with a flushing medium infusion phase. Further, the numbered touch fields incolumns column 212 are shaded in correspondence with their having been activated in the process of setting up two contrast medium infusion phases (following from their proximity to displayfield 210, which corresponds to contrast medium), whilefield 3 incolumn 218 is shaded in correspondence with its having been activated in the process of setting up a flushing medium infusion phase. In contrast, neither of thefields 4 incolumns - The concept of incrementally emerging data fields in
columns FIG. 3 , data fields emerge only to the extent that they are needed and can apply to either a contrast medium infusion phase or a flushing medium infusion phase at the behest of the operator. Such an arrangement would appear to stand in stark contrast to those conventional arrangements, such as the “SPECTRIS” arrangement described heretofore, in which the order of phases is comparatively fixed and inflexible. It should be appreciated that the presently contemplated arrangement also serves to reduce operator confusion and promotes the rapid visualization of important information. - Also illustrated in
FIG. 3 , inter alia, are aduration display field 224 and a totalvolume display field 226. These preferably will serve as, respectively, a clock of elapsed time that starts from zero and spans the duration of the totality of the phases that have been entered and an indicator of the total volume of fluid (destined for the patient) that has been expended over the totality of the phases. As shown inFIG. 3 ,duration display field 24 also preferably shows the projected total duration before injection starts, andvolume display field 226 also preferably shows, at that time, the total projected volume to be expended. -
FIGS. 4-6 serve to further illustrate the versatility and flexibility afforded in accordance with at least one presently preferred embodiment of the present invention. Reference numerals in those figures relate to similar components referenced by similar numerals inFIG. 3 . - In the protocol shown in
FIG. 4 , the operator has chosen a first phase of contrast medium infusion, followed by a first phase of flushing medium infusion, followed by a second phase of contrast medium infusion, finally followed by a second phase of flushing medium infusion. -
FIG. 5 illustrates a different protocol, but this time involving six phases. 10 Particularly, the six phases illustrated are two separate contrast medium phases, followed by a flushing medium phase, followed again by two distinct contrast medium phases, finally followed by a flushing medium phase. - Finally,
FIG. 6 illustrates a protocol involving a distinct “hold” phase in accordance with an embodiment of the present invention. As shown here, the operator has selected a contrast medium phase followed by a flushing medium phase. However, the operator has also now selected a “hold” phase, indicated at 244, in which, for an indefinite period of time (possibly capped automatically for safety reasons), the regulated administration of fluids will cease, unless “KVO” (described below) is desired. The “hold” phase may be activated ontouch screen arrangement 200 pressing onicon 222, which would then produce a “hold”display field 244 that spans bothcolumns - The value of including a “hold” phase is that it permits some time for the operator to render supplementary judgements, following the administration of the phase(s) before the “hold”, that could be of value when administering the phase(s) that occur(s) after the “hold”. As an example, and as can be appreciated from the protocol shown in
FIG. 6 , the operator may wish to first infuse a short bolus of contrast medium not for imaging purposes but for the purpose of determining the length of time (by any suitable means) that the bolus requires in order to reach a given target area in the patient's body. Once a flushing phase is completed, the “hold” may then take effect. During the “hold”, the imaging scanner (not shown here) could be programmed to delay its imaging action for a period of time that corresponds to the “delay” that the “short bolus” required in order to reach the target area of the body. In turn, the scan delay (i.e., the length of time that the scanner could “wait” before imaging the target area of the body) can be entered into adisplay field 228 by means of atouch field 228 a suited for that purpose. Additionally, the operator may alter the parameters for the flowrate or volume for the phases not yet undertaken if observations undertaken during (or information derived from) the short bolus warrants changing such parameters. - When the time comes to administer the second contrast medium phase, the resulting bolus will be permitted to pass through the patient's system for a length of time corresponding to the “scan delay” before the scanner, conceivably prompted automatically via the scan delay clock in
field 228 or perhaps manually by the operator (for example, upon hearing an audible signal), itself is activated as to image the target area of the patient. - It should be appreciated that among the advantages of the “hold” function are the elimination of operator interaction, as well as time savings, through eliminating the initial programming of a second injection phase. Additionally, an entire “short bolus” phase and subsequent standard injection phase may be stored and recalled as a “composite” injection type (see additional discussion further below), thus providing for rapid programming and reducing the chances of operator error. Furthermore, the hold function permits the optimization of the parameters of subsequent injections, thereby allowing for the improvement of overall image quality.
- Other touch fields and display fields may be provided within
touch screen arrangement 200. As shown inFIGS. 3-6 , a KVO (“keep vein open”)display field 230 may show the status of “KVO”, that is, whether there is a circulation of flushing medium (either continuously or in small intermittent bursts) in the patient's system for the purpose of maintaining a flow of some type in his/her veins and perhaps to show a countdown of the time remaining in such a state. The duration of “KVO” could preferably be capped, in correspondence with the actual quantity of flushing medium available (minus the flushing medium required for any subsequent flushing medium phase), automatically by the control system. Thus, automatic shutoff could take place when the reservoir of available flushing medium has decreased to a point at which, with further depletion, there would not be a sufficient amount of flushing medium for a subsequent flushing medium phase or phases. It will be appreciated that “KVO” is not so much a flushing phase per se but instead is a “maintenance” phase in which the patient's veins are maintained in a relatively open state in preparation for the subsequent administration of contrast medium, or possibly even for other reasons. “KVO” could thus well take place during a “hold” phase so that, for example, the patient's veins could remain relatively open and free while the aforementioned intermediate calculations, etc., are taking place. Normally, the rate, volume and frequency of delivery in “KVO” are fixed ahead of time but it could also be variably programmed by the operator, by any suitable means. - The “arm injector”
display field 232 and associatedtouch fields - On the other hand, the “display screen”
display field 234 and associatedtouch fields - The “history”
display field 236 may serve the purpose of recalling past injection information that has been stored, while the “help”field 238 may serve the purpose of providing assistance to the operator in a manner similar to the “help” arrangements found on a typical computer or computer software system. - Finally, the “protocol”
display field 239 and associated touch fields 240, 242 may serve the purposes of the identification, storage and recall of user-defined (saved) injection programs or (factory) pre-loaded programs. - Although the present invention, in accordance with at least one presently preferred embodiment, has been described hereinabove primarily in connection with an MR injector system, it is to be understood that other applications are possible without departing from the spirit and scope of the invention in general. For example, while it is known that CT, angiographic and ultrasound injectors to date have generally utilized only a single syringe, containing contrast medium, for administering solely contrast medium to a patient, the present invention broadly contemplates the use of two syringes in such environments —one for contrast medium and the other for flushing medium. Thus, it is contemplated that the present invention, in accordance with at least one presently preferred embodiment, could be utilized in such a context in that the operator could administer a protocol involving essentially any desired order of contrast medium and flushing medium phases.
- A “pause” arrangement is also contemplated in accordance with at least one presently preferred embodiment of the present invention. A “pause” phase would essentially be similar to a “hold” phase in that it would represent a user-selected and programmed period of time in which no programmed injection of contrast medium or flushing medium is taking place. However, it would differ from a “hold” phase in the respect that it could essentially be a preprogrammed “hold” of limited duration that ends with an automatic transition to the next infusion phase (if any) in the protocol, whereas a “hold” phase would be of indefinite duration, with the protocol only to be reactivated by a manual prompt from the operator. Although “pause” phases have been known in conjunction with CT imaging arrangements, they are apparently not known in conjunction with MR imaging arrangements.
- It should be appreciated that the inventive arrangements described hereinabove afford a degree of flexibility and versatility in programming an injection protocol than apparently has been hitherto realized. One distinct advantage inherent in such arrangements is their adaptability to foreseeable changes in the injection arts that may occur in the future, such as the development of new contrast media or increases in the efficiency of imaging scanners, For instance, it is conceivable that a different type of contrast medium might necessitate its injection into a patient via a much different protocol than might now normally be used with existing contrast media. Increases in imaging speed might also result in the need for vastly different types of protocols than are available on conventional equipment at present.
- It will be appreciated that the flexibility and versatility achieved in accordance with at least one presently preferred embodiment of the present invention, with the use of an automatic arrangement, far outstrips any flexibility and versatility that might be gained through certain uses of existing injection arrangements. For example, although it is conceivable to employ two or more “SPECTRIS” systems for the purpose of executing a composite protocol, made up of separate protocols from the different systems, that might reflect a higher degree of versatility (e.g., by enabling the execution of a second contrast medium phase after a flushing medium phase), it will be appreciated that such an arrangement would be cumbersome, difficult to manage, and possibly inaccurate, in that one or more operators would need to ensure that one phase on one system starts immediately after another phase on another system. Manual injection is, of course, also possible, even to such an extent that different injections, representing distinctly different contrast medium and flushing medium phases, could be executed one after the other by one or more medical personnel. Again, though, such an arrangement would appear to prone to the potential of great inaccuracy, not only in terms of the timing of the successive injections but also in terms of the flow rates being used and the difficulty in keeping them constant over the duration of each phase (if indeed constant flow rates are desired).
- Several other advantages would appear to be attainable in accordance with at least one presently preferred embodiment of the present invention. For example, an entire protocol, including short bolus, hold and remaining injection, can be stored and recalled for future use. The injector can reserve the flushing medium that is needed for an entire protocol and can alert the operator, before an injection commences, as to insufficient fluid volume. Moreover, in a multi-phased protocol that includes flushing and has an intermediate “hold” phase, the protocol can shut off flow in a “KVO” state automatically in order to preserve any necessary flushing medium for a subsequent pre-programmed flushing phase.
- Although a maximum of six phases for one protocol has been described hereabove, it will be appreciated that the present invention broadly contemplates that no maximum on the number of phases in a protocol necessarily need be imposed.
- Although all types of phases, especially contrast medium and flushing medium phases, have essentially been described hereinabove as being linear in nature (i.e., having a fixed flowrate over the duration of the phase), it should be understood that the present invention also broadly contemplates the programming and execution of phases that are not linear in nature. For example, it is conceivable that a contrast medium or flushing medium phase (and possibly even a “KVO” phase) could represent a non-linear function, in which the flowrate could possibly be variable over the duration of the phase and could be programmed in by means of an equation, lookup table or other suitable arrangement. In the case of “KVO”, it is even conceivable that short “bursts” of flushing medium could be emitted at a variable rate instead of a fixed rate.
- Although syringes have been specifically contemplated hereinabove for use in injection protocols, as a means for storing and administering contrasting medium or flushing medium, it is to be understood that other arrangements for this purpose are conceivable within the scope of the present invention, such as, for example, the use of peristaltic pumps.
- As discussed herebelow, some additional refinements are broadly contemplated in accordance with at least one presently preferred embodiment of the present invention.
-
FIG. 7 schematically illustrates a scheme of illumination in association with a pair ofsyringes Syringes - Each
syringe corresponding illumination element 440 a, 442 a, respectively. Theillumination elements 440 a, 442 a, may be configured as to provide an indication of a status or condition associated with eachsyringe illumination elements 440 a, 442 a, could be configured for issuing light of different colors (e.g. green light for contrast medium and blue light for flushing medium) to permit one to easily distinguish between the two syringes.Illumination elements 440 a/442 a, possibly in combination with corresponding symbols or icons on a computer screen, could assume different states depending on system status (e.g. “flashing” for “armed” status, “steady” [illumination] for “injection” status and “off” for “disarmed” status.) -
FIGS. 8-20 relate to modified touch screens in accordance with at least one presently preferred embodiment of the present invention. - While several components associated with the touch screens illustrated in
FIGS. 8-20 are similar to those illustrated inFIGS. 3-6 , other new or modified components are also contemplated, as discussed herebelow. - As shown in
FIG. 8 ,touch screen arrangement 500 may permit for the display of adisplay field 510 corresponding to the available quantity of contrast medium and avariable column 512 of touch fields for indicating the status of one or more phases that may be employed. Included also are avariable column 514 of touch fields relating to flowrate, avariable column 516 of touch fields relating to volume, and adisplay field 520 corresponding to the available quantity of flushing medium. Display fields 510, 520 could also be touch fields.Iconography 520 a, adapted to appear and disappear withintouch field 520, could indicate whether a “KVO” state is in effect. - Essentially,
FIG. 8 illustrates an “initiation screen” prior to entering a protocol. As shown, displays 510 and 520 show that 20 ml of contrast medium are available, as are 100 ml of flushing medium, while, in theprotocol columns - Preferably, a first phase of contrast medium infusion can be set by activating the uppermost touch field in
column 512, and thence the corresponding entry fields incolumns keypad 560 appears on the screen that allows the entry of specific values in thefields - In order to establish the first phase as contrast, the touching of the uppermost field in
column 512 may preferably prompt the appearance of a popup selection table 584 (seeFIG. 9 ). There, one may select the type of phase desired, particularly, contrast, flush, hold or pause. -
Field 562 may be configured to convey to the operator a range of parameters that may be used in a given field incolumn FIG. 8 , for example, the topmost field incolumn 514 is highlighted in black. -
FIG. 9 illustrates the entry of a protocol involving a contrast phase, a flushing phase and, in addition, a hold phase. Thus, the three phases that result are: (1) a phase of contrast medium infusion (15 ml) at 2.0 ml/s; (2) a phase of flushing medium infusion (20 ml) at 2.0 ml/s; and (3) a hold phase similar to that described heretofore. - As introduced above,
FIG. 9 also illustrates the optional popup selection table 584 that permits a choice, for a given phase, of any of: a contrast phase, a flush phase, a hold or a pause. (The concept of “pause” has also been discussed heretofore.) “Delete” and “cancel” touch fields permit, respectively, erasing the previous entry or removing table 584 altogether - Also illustrated in
FIGS. 8 and 9 , inter alia, are aduration display field 564 and a totalvolume display field 566. These preferably will serve as, respectively, a clock of elapsed time that starts from zero and spans the duration of the totality of the phases that have been entered and an indicator of the total volume of fluid (destined for the patient) that has been expended over the totality of the phases. As shown inFIGS. 8 and 9 ,duration display field 564 also preferably shows the projected total duration before injection starts, andvolume display field 566 also preferably shows, at that time, the total projected volume to be expended.Display field 566 may also preferably be configured to illustrate the total volume (of both contrast and flushing medium) already delivered. -
FIGS. 8 and 9 illustrate that three icons (or “status buttons”) 568, 570, 572 may be employed.Icon 568, in the shape of a battery, indicates battery level. The number of horizontal bars withinicon 568 indicates the useful life of the battery that remains.Icon 570, embodied as a check mark, can serve the function of an indicator for the status of the “check for air” function (e.g., the operator may first check to see if any air exists in the syringes and then activate the “check for air”status button 570.)Icon 572, on the other hand, embodied as opposing arrows, can confirm whether a digital interface with a scanner is established (e.g., for information exchange between the injector and scanner or for the transfer of programming and control functionality between the injector and scanner). -
FIG. 10 illustrates another protocol. Entitled “renals”, the protocol set here involves an exemplary contrast phase and flush phase, as shown, for imaging the renals of a patient. Injection has not yet taken place. - As shown in
FIG. 10 , other touch fields and display fields may be provided withintouch screen arrangement 500. For instance, an “injection delay” can be entered into adisplay field 528 by means of atouch field 528a suited for that purpose. The “injection delay” corresponds to a period of time that elapses between the start of imaging and the start of injection, or, between pushing “start” and the initial “surge” of fluid in an injection procedure. - A
KVO display field 530 may show the status of “KVO”, particularly, a countdown of the time that remains in such a state. As discussed previously, the duration of “KVO” could preferably be capped. Again, the rate, volume and frequency of delivery in “KVO” are fixed ahead of time but it could also be variably programmed by the operator, by any suitable means. - The “arm injector”
display field 574 and associatedtouch field 574 a could serve the purpose of arming the injector in a manner to be described further below. - The “history”
display field 576 with associatedtouch field 576 a may serve the purpose of recalling past injection information that has been stored. - The “protocol”
display field 539 and associated touch fields 540, 542 may serve the purposes of the identification, storage and recall of user-defined (saved) injection programs or (factory) pre-loaded programs. - A “reset”
touch field 578 could serve to return thetouch screen 500 to an initial state, i.e., erase the parameters already entered and permit the operator to begin anew with entering a new protocol. - A “setup”
touch field 580 enables the user to access the setup screen, thus allowing the user to configure various details of the injection, i.e., language, programmable KVO and other configuration-type setup features, - A “help”
touch field 582 could function similarly to the “help”touch field 238 discussed previously. -
FIGS. 11-20 illustrate different aspects of another protocol. In this instance, the protocol has been given a name (“Dr. Smith's Study”), as shown infield 539. It should thus be appreciated that specific protocols may be selectively stored and recalled, in order to ensure that an operator does not need to constantly reenter parameters for the same protocol if a protocol is to be repeated on several different occasions. It will be appreciated herebelow that, in this connection, the touch screen arrangement will preferably be configured to produce, on certain occasions and in certain forms, a facsimile of the “screenshot” of thetouch screen arrangement 500, or at least a portion of such a screenshot, corresponding to the full set of phases for a given protocol, to thus allow a user to quickly and easily identify with one protocol or another by recognizing its general outward appearance, or “pattern”. - As shown in
FIG. 11 , a five-phase protocol has been called up, involving a contrast phase (1.0 ml at 1.0 ml/s), a flush phase (15.0 ml at 1.0 ml/s), a hold phase, a second contrast phase (10.0 ml at 3.0 ml/s) and a second flush phase (20.0 ml at 3.0 ml/s). - Preferably, “arming” the injection apparatus can be accomplished with the “arm injector”
fields 574/1574 a discussed previously. Whereastouch field 574 a may initially state “Arm” (seeFIG. 10 ), touching that touch field will preferably prompt the appearance ofdisplay field 586 andtouch fields -
Display field 586 will preferably indicate which of the two aforementioned options (i.e., “single” or “multi”) is in effect. WhereasFIG. 11 shows that “single”has been chosen,FIG. 12 (otherwise essentially the same view asFIG. 11 ) shows that “multi” has been chosen. -
FIG. 13 illustrates the appearance of a “query” button incolumn 512, thus permitting the operator to subsequently enter a new phase. -
FIG. 14 is essentially the same view asFIG. 13 , but shows that a “pause”phase 592 has replaced the “hold” phase. As discussed previously, a “pause” phase could represent a discrete, finite period of interruption that is predetermined. -
FIG. 15 is essentially the same view asFIG. 13 , but shows a mode similar to that illustrated byFIG. 8 , that is, an “entry” mode in which a given “protocol” field (in this case, the uppermost “flow rate” field in column 514) is highlighted as being “ready” for the entry of a new value. Thus, there is also adisplay field 562 here indicating parameter limits. -
FIG. 16 is essentially the same view asFIG. 13 but conveys a state in which KVO is paused and an injection delay is taking place, prior to the start of the five protocol phases. To indicate this effect, the “protocol” fields incolumns field 544, may be highlighted, perhaps with muted colors, and adisplay field 594 may appear to indicate that an injection delay is indeed taking place. Because the entire injection apparatus is now in an “active” mode,field 574 a may now display a suitably highlighted “stop button” (perhaps in red with white lettering) that would permit the operator to abort the procedure before the first contrast phase begins. On the other hand, the operator may be apprised of the actual stage of the procedure being undertaking by suitably highlighting the “injection delay”field 528 as shown and indicating the time left in the injection delay. Whereas the “protocol” fields incolumns hold field 544, may be in somewhat muted colors, the “injection delay”field 528 may now be somewhat more bold in appearance, perhaps with a dark border as shown and with dark lettering on a bright background in the field itself. -
FIGS. 17, 18 and 19 illustrate the possible status oftouch screen 500 at various stages of the injection protocol being employed. Preferably, a similar highlighting principle is utilized for such stages as for the “injection delay” stage as just described, that is, a field or fields relating to the actual stage or phase being undertaken is/are preferably highlighted in a manner that clearly indicates to the operator what is taking place. - Thus,
FIG. 17 illustrates the possible status oftouch screen 500 during the hold phase. In this case, the “hold”field 544 is highlighted with a dark border and dark lettering on a bright background. The phases already undertaken, on the other hand, are depicted in muted tones, while those that have not yet been undertaken preferably bear the “base” tones such as those depicted inFIG. 13 .Display field 594 preferably indicates that the hold phase is in effect. Also, as shown, the syringe-shaped display fields 510, 520 preferably indicate visually the depletion of their respective reservoirs, both numerically and (via changing the relative shading within each field) graphically. -
FIG. 18 illustrates that the second phase (in this case, a flushing phase) is in effect, via highlighting the appropriate fields incolumns display field 520. Also indicated, viafield 594, is the fact that a temporary hold has been imposed within the actual phase itself. An operator may choose to do this, for instance, if a patient is experiencing discomfort and, e.g., needs to reposition the tubes, etc., that are delivering the flushing medium. -
FIG. 19 illustrates that the third phase (in this case, a contrast phase) is about to be in effect and that a scan delay (defined previously) is in effect. Thus,field 528 indicates a scan delay via the type of highlighting described previously. -
FIG. 20 illustrates what may occur once the entire protocol is completed. Preferably, a summary pop-upscreen 596 may appear that provides various types of information on the phases of the protocol and of various parameters relating to it. A further touch field may be provided within the pop-up screen to permit the operator to complete the entire process by stopping “KVO”. -
FIG. 21 illustrates a “recall” feature in accordance with an embodiment of the present invention. As shown,touch screen arrangement 500 may be adapted to display a series oftouch fields 950 that variously correspond to different stored protocols. As shown, additional space may be provided, such as in acolumn 960, to accommodate additional touch fields similar to the touch fields 950. - Preferably, by touching one of the touch fields 950, the appearance of a display field 1000 will be prompted, and this display field preferably provides, for the operator's quick and easy reference, a facsimile of the “screenshot” of
touch screen arrangement 500 that would otherwise show the operator all phases of the corresponding protocol. Thus, as shown, display field 1000 (or “recall field”) 1000 contains a representation of the two phases used in the “renals” protocol discussed and illustrated heretofore, though in this case the representation of the phases does not include manipulable touch fields as would otherwise be the case in a “live” screen corresponding to the “renals” protocol (such as shown inFIG. 10 ). - However, it will be understood that the capability is provided of being able to visually verify whether a protocol selected by one of the
buttons 950 is indeed the protocol desired. At that point, if the operator wishes to execute the protocol, or at least enter a “live” screen corresponding to it for the purpose of editing it, he or she may then press the “OK”touch field (or the like) in order to switch to a “live” touch screen. Alternatively, the “recall field” capability could be exploited if the operator simply wishes to briefly review the makeup of various protocols. - It will thus be appreciated that, in connection with the “recall field” capability contemplated in connection with
FIG. 21 , the capability is afforded of permitting an operator to quickly and efficiently recognize the makeup of a given protocol through “pattern recognition”, or through recognizing a graphical or iconic pattern of words, numbers, geometric shapes, and possibly other visual stimuli, that in sum correspond to a given protocol. (Of course, it is understood that two different stored protocols may in fact have the exact same makeup of phases and parameters.) A similar capability of “pattern recognition” was addressed heretofore, for example, in connection with the summary pop-upscreen 596 shown inFIG. 20 , in which the operator is able to be reminded of the makeup of a protocol immediately after it has been run. - In the context of the present disclosure, the terms “infusion” and “injection”, and their grammatical derivations, are to be construed as being interchangeable and are meant to refer to essentially any of a wide range of arrangements for introducing fluid into a patient.
- If not otherwise stated herein, it may be assumed that all components and/or processes described heretofore may, if appropriate, be considered to be interchangeable with similar components and/or processes disclosed elsewhere in the specification, unless an express indication is made to the contrary.
- If not otherwise stated herein, any and all patents, patent publications, articles and other printed publications discussed or mentioned herein are hereby incorporated by reference as if set forth in their entirety herein.
- It should be appreciated that the apparatus and method of the present invention may be configured and conducted as appropriate for any context at hand. The embodiments described above are to be considered in all respects only as illustrative and not restrictive. The scope of the invention is defined by the following claims rather than the foregoing description. All changes that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (26)
1. A fluid injection system comprising:
an injector comprising a drive mechanism and an illumination device;
a fluid container operably associated with the drive mechanism; and
a control device operably associated with the drive mechanism, the control device comprising a computer screen having at least one element affiliated with the illumination devices,
wherein the illumination device and the at least one element emit light of the same color.
2. The fluid injection system of claim 1 wherein the at last one element comprises a symbol or an icon.
3. The fluid injection system of claim 1 wherein the at least one element comprises a display field or a touch field.
4. The fluid injection system of claim 1 wherein the at least one element comprises a plurality of elements.
5. The fluid injection system of claim 1 wherein the fluid container comprises a syringe having a plunger and the drive mechanism comprises a piston adapted to engage the plunger of the syringe.
6. The fluid injection system of claim 1 wherein the light color corresponds to a fluid present in the fluid container.
7. The fluid injection system of claim 1 wherein the fluid container comprises a syringe.
8. The fluid injection system of claim 1 wherein the illumination device is adapted to assume different conditions depending on a state of the system.
9. The fluid injection system of claim 8 wherein the illumination device assumes a flashing condition when the system is in an armed state.
10. The fluid injection system of claim 8 wherein the illumination device assumes a steady condition when the system is in an injection state.
11. The fluid injection system of claim 8 wherein the illumination device assumes an off condition when the system is in a disarmed state.
12. The fluid injection system of claim 1 wherein the at least one element is shaped to resemble a syringe.
13. The fluid injection system of claim 1 wherein the illumination device and the at least one element cooperate to provide a visual indication of a status or a condition of the system.
14. The fluid injection system of claim 1 wherein the computer screen comprises a touch screen.
15. A fluid injection system comprising:
an injector comprising a first drive mechanism, a second drive mechanism, a first illumination device and a second illumination device;
a first fluid container operably associated with the first drive mechanism, the first fluid container containing a first fluid;
a second fluid container operably associated with the second drive mechanism, the second fluid container containing a second fluid; and
a control device operably associated with the drive mechanism, the control device comprising a computer screen having at least one first element affiliated with the first illumination device and at least one second element affiliated with the second illumination device,
wherein the first illumination device and the at least one first element emit a first light color corresponding to the first fluid and the second illumination device and the at least one second element emit a second light color corresponding to the second fluid.
16. The fluid injection system of claim 15 wherein the at last one first element and the at least one second element each comprises a symbol, an icon, a display field or a touch field.
17. The fluid injection system of claim 15 wherein the at least one first element and the at least one second element each comprises a plurality of elements.
18. The fluid injection system of claim 15 wherein the first fluid container comprises a syringe having a plunger and the first drive mechanism comprises a piston adapted to engage the plunger of the syringe.
19. The fluid injection system of claim 15 wherein the first or second illumination device is adapted to assume different conditions depending on a state of the system.
20. The fluid injection system of claim 19 wherein the first or second illumination device assumes a flashing condition when the system is in an armed state, a steady condition when the system is in an injection state or an off condition when the system is in a disarmed state.
21. The fluid injection system of claim 15 wherein the first illumination device, the second illumination device, the at least one first element and the at least one second element cooperate to provide a visual indication of a status or a condition of the system.
22. The fluid injection system of claim 15 wherein the computer screen comprises a touch screen.
23. A method of operating an injector system providing visual stimuli corresponding to a programmed injection protocol, the method comprising:
perceiving visual stimuli provided by an injector or a control device of the injector system;
recognizing a pattern provided by the visual stimuli;
correlating the recognized pattern to the programmed injection protocol;
determining whether the programmed injection protocol is a desired injection protocol; and
initiating the programmed injection protocol, if it is determined that the programmed injection protocol is the desired injection protocol.
24. The method of claim 23 , further comprising:
interacting with the injector or the control device based on the recognized pattern.
25. The method of claim 23 wherein the visual stimuli comprises one or more of graphical, iconic, lexical, numerical, geometrical or color stimuli.
26. The method of claim 23 , further comprising:
altering the programmed injection protocol to correspond to the desired injection protocol; and
initiating the altered injection protocol.
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US09/941,224 Expired - Lifetime US7079886B2 (en) | 1999-07-30 | 2001-08-28 | Apparatus and method for programming a KVO phase and a first phase of an injection procedure as a flushing medium phase |
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US11/358,194 Abandoned US20060184008A1 (en) | 1999-07-30 | 2006-02-21 | Programmable injector control |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9649436B2 (en) | 2011-09-21 | 2017-05-16 | Bayer Healthcare Llc | Assembly method for a fluid pump device for a continuous multi-fluid delivery system |
US9700672B2 (en) | 2011-09-21 | 2017-07-11 | Bayer Healthcare Llc | Continuous multi-fluid pump device, drive and actuating system and method |
US10507319B2 (en) | 2015-01-09 | 2019-12-17 | Bayer Healthcare Llc | Multiple fluid delivery system with multi-use disposable set and features thereof |
US11491318B2 (en) | 2015-01-09 | 2022-11-08 | Bayer Healthcare Llc | Multiple fluid delivery system with multi-use disposable set and features thereof |
Also Published As
Publication number | Publication date |
---|---|
US20060184008A1 (en) | 2006-08-17 |
EP1202760B1 (en) | 2006-02-15 |
WO2001008730A1 (en) | 2001-02-08 |
US6339718B1 (en) | 2002-01-15 |
US20040143185A1 (en) | 2004-07-22 |
DE60026036T2 (en) | 2006-10-12 |
JP4299482B2 (en) | 2009-07-22 |
US20020007116A1 (en) | 2002-01-17 |
US6643537B1 (en) | 2003-11-04 |
US7079886B2 (en) | 2006-07-18 |
JP2003505211A (en) | 2003-02-12 |
EP1202760A1 (en) | 2002-05-08 |
DE60026036D1 (en) | 2006-04-20 |
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Legal Events
Date | Code | Title | Description |
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STCB | Information on status: application discontinuation |
Free format text: EXPRESSLY ABANDONED -- DURING EXAMINATION |