US3647117A - Apparatus for intravenous feeding and the like - Google Patents

Apparatus for intravenous feeding and the like Download PDF

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Publication number
US3647117A
US3647117A US852347A US3647117DA US3647117A US 3647117 A US3647117 A US 3647117A US 852347 A US852347 A US 852347A US 3647117D A US3647117D A US 3647117DA US 3647117 A US3647117 A US 3647117A
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drum
base
set forth
combination set
spring
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US852347A
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Thomas S Hargest
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D35/00Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/24Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with auxiliary devices
    • B65D35/28Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with auxiliary devices for expelling contents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142Pressure infusion, e.g. using pumps
    • A61M5/145Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M5/148Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags

Definitions

  • a constant ten- Cl 8/214 sion spring has one end thereof fixed to the drum and one end [51] Int. Cl ..B65d 35/34 th reof fi ed to the base.
  • a collapsible container is positioned Field of Search 10 such that the drum under the action of the spring tends to col- 222/96; l28/DIG. 12, l3, 214 lapse the container uniformly and thereby dispense of the contents of the container out of the container.
  • This invention relates to intravenous feeding of fluids and drugs into a patient.
  • fluids and drugs are fed intravenously into a patient by gravity flow from a suspended container such as a glass container or plastic bag which contains the fluid or drug suspended from a pole.
  • the container is elevated above the patient at such a height that the fluid pressure exceeds the venous pressure resulting in infusion ofthe fluid or drug into the patient.
  • Among the objects of the invention are to provide an apparatus for intravenous feeding that does not require the use of poles or other devices for suspending the apparatus above the patient.
  • An apparatus for intravenous feeding comprising a drum that is mounted for rolling movement along a base.
  • a constant tension spring has one end thereof fixed to the drum and one end thereof fixed to the base.
  • a collapsible container is positioned such that the drum under the action of the constant tension spring tends to collapse the container uniformly and thereby dispense of the contents of the container out of the container.
  • FIG. 1 is a perspective view of an apparatus embodying the invention.
  • FIG. 2 is a view similar to FIG. 1 showing the parts in a different operative position.
  • FIG. 3 is a sectional view taken along the line 3-3 in FIG. 1.
  • FIG. 4 is a sectional view taken along the line 4-4 in FIG. 2.
  • FIG. 5 is a view similar to FIG. 1 showing the apparatus in use for dispensing the contents of a hypodermic syringe.
  • the apparatus embodying the invention comprises a base along which a drum I1 is adapted to be rolled.
  • Drum 11 has peripheral axially spaced low-friction contact surfaces formed by plastic rings 12.
  • One end of a coiled constant tension spring 13 is fixed to the drum and the other end thereof is fixed to the base as at I4.
  • Guide rollers 15 on the drum axle 16 are adapted to engage guide rails 17 which are spaced from base 10 by posts 20 to guide the action of the drum II under the influence of the spring 13.
  • a handle 18 is pivoted to the axle I6 of the drum II by arrns I9 for facilitating retraction of the drum 11 against action of the spring 13.
  • a device containing fluid which is to be fed to the patient comprising a collapsible container such as a plastic bag B is positioned on the base with one end thereof engaging a stop 21 and the other end thereof against the drum II.
  • handle 18 is engaged with end posts 20.
  • the rotation of the drum I1 causes the plastic bag B to be squeezed between the convolutions of the spring 13 forcing the fluid out of the collapsible bag B.
  • a metering clamp 22 is provided along the tube extending out of the plastic bag to meter the contents to the patient.
  • the air IS first expelled from the tube by permitting some flow before the needle at the end of the tube is placed in the patient.
  • the device provides for a constant flow to the patient regardless of the position of the base. No auxiliary poles, brackets or the like are needed since the device can be placed in close proximity to the patient.
  • a bar 23 is adjustably positioned on the guide rails I7 and serves as a stop for the forward movement of the drum II, thereby providing means for limiting the quantity of fluid fed to the patient.
  • substantially the same device is utilized for dispensing the contents of a syringe S, the body of the syringe engaging the stop 21 while the plunger of the syringe is engaged by the drum.
  • An apparatus for intravenous feeding comprising a base,
  • said means for guiding said drum comprises a member on said base adjacent each end of said drum and extending longitudinally on said base and parallel to the direction of movement of said drum.
  • said guiding means comprises guide rails spaced from said base and grooved portions on said drum engaging said rails.

Abstract

An apparatus for intravenous feeding comprising a drum that is mounted for rolling movement along a base. A constant tension spring has one end thereof fixed to the drum and one end thereof fixed to the base. A collapsible container is positioned such that the drum under the action of the spring tends to collapse the container uniformly and thereby dispense of the contents of the container out of the container.

Description

United States tent Hargest 1 Mar. 7, W72
[54] APPARATUS FOR HNTAVENOUS 2,848Ql3l 8fl 9 58 lntagliata ..222/ I01 FEEDING AND THE LIKE Primary Examiner-Robert B. Reeves [72] Inventor: Thomas S. Hargest, 1078 Winslow Drive, Assistant E i j h p Shannon JL Charleston 29407 Attorney-Bames, Kisselle, Raisch & Choate [22] Filed: Aug. 22, 1969 [57] ABSTRACT [211 App]. No.: 852,347
An apparatus for intravenous feeding compnsing a drum that is mounted for rolling movement along a base. A constant ten- Cl 8/214 sion spring has one end thereof fixed to the drum and one end [51] Int. Cl ..B65d 35/34 th reof fi ed to the base. A collapsible container is positioned Field of Search 10 such that the drum under the action of the spring tends to col- 222/96; l28/DIG. 12, l3, 214 lapse the container uniformly and thereby dispense of the contents of the container out of the container. [56] References Cited 11 Claims, 5 Drawing Figures UNITED STATES PATENTS V. a V, V new PATENTEDMAR H912 3.647.117
sum 10F 2 R\\\\\\\ INVENTOR /0 THOMAS s. f/AKGZJT ATTORNEYS PATENTEDMAR 71972 3.647, 1 1? sum 2 [1F 2 INVENTOR ATTORNEYS APPARATUS FOR INTRAVENOUS FEEDING AND THE LIKE This invention relates to intravenous feeding of fluids and drugs into a patient.
BACKGROUND OF THE INVENTION At the present time, fluids and drugs are fed intravenously into a patient by gravity flow from a suspended container such as a glass container or plastic bag which contains the fluid or drug suspended from a pole. The container is elevated above the patient at such a height that the fluid pressure exceeds the venous pressure resulting in infusion ofthe fluid or drug into the patient.
One of the problems with such a system is that there is some auxiliary device needed to suspend the container above the patient. This becomes particularly troublesome when it becomes necessary to move the patient from one area to another. The problem becomes even more serious in combat warfare conditions when auxiliary devices such as poles and the like are not readily available or if available protrude and cause difficulty in handling the patient.
Among the objects of the invention are to provide an apparatus for intravenous feeding that does not require the use of poles or other devices for suspending the apparatus above the patient.
SUMMARY OF THE INVENTION An apparatus for intravenous feeding comprising a drum that is mounted for rolling movement along a base. A constant tension spring has one end thereof fixed to the drum and one end thereof fixed to the base. A collapsible container is positioned such that the drum under the action of the constant tension spring tends to collapse the container uniformly and thereby dispense of the contents of the container out of the container.
DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an apparatus embodying the invention.
FIG. 2 is a view similar to FIG. 1 showing the parts in a different operative position.
FIG. 3 is a sectional view taken along the line 3-3 in FIG. 1.
FIG. 4 is a sectional view taken along the line 4-4 in FIG. 2.
FIG. 5 is a view similar to FIG. 1 showing the apparatus in use for dispensing the contents of a hypodermic syringe.
DESCRIPTION Referring to FIGS. 1-4, the apparatus embodying the invention comprises a base along which a drum I1 is adapted to be rolled. Drum 11 has peripheral axially spaced low-friction contact surfaces formed by plastic rings 12. One end of a coiled constant tension spring 13 is fixed to the drum and the other end thereof is fixed to the base as at I4. Guide rollers 15 on the drum axle 16 are adapted to engage guide rails 17 which are spaced from base 10 by posts 20 to guide the action of the drum II under the influence of the spring 13.
A handle 18 is pivoted to the axle I6 of the drum II by arrns I9 for facilitating retraction of the drum 11 against action of the spring 13.
A device containing fluid which is to be fed to the patient comprising a collapsible container such as a plastic bag B is positioned on the base with one end thereof engaging a stop 21 and the other end thereof against the drum II. Initially, handle 18 is engaged with end posts 20. When the handle 18 is released, the rotation of the drum I1 causes the plastic bag B to be squeezed between the convolutions of the spring 13 forcing the fluid out of the collapsible bag B. In accordance with conventional practice, a metering clamp 22 is provided along the tube extending out of the plastic bag to meter the contents to the patient.
As "I all intravenous feeding, the air IS first expelled from the tube by permitting some flow before the needle at the end of the tube is placed in the patient.
It can thus be seen that the device provides for a constant flow to the patient regardless of the position of the base. No auxiliary poles, brackets or the like are needed since the device can be placed in close proximity to the patient.
A bar 23 is adjustably positioned on the guide rails I7 and serves as a stop for the forward movement of the drum II, thereby providing means for limiting the quantity of fluid fed to the patient.
By the utilization of a constant tension spring, a constant pressure is applied to the fluid container, thereby insuring a constant flow of the material being fed to the patient.
In the form of the invention shown in FIG. 5, substantially the same device is utilized for dispensing the contents of a syringe S, the body of the syringe engaging the stop 21 while the plunger of the syringe is engaged by the drum.
Iclaim:
1. An apparatus for intravenous feeding comprising a base,
means on the base for defining a track,
a drum.
means on the base for guiding the drum along the track for relative rolling movement with respect to the base,
a constant tension spring wound about the periphery of said drum and having one end thereof fixed to the drum and the other end thereof fixed to said base adjacent one end thereof,
whereby a collapsible fluid container positioned on the spring when said spring is in an unwound condition can be progressively compressed by the constant tension spring as the spring moves the drum on said base 2. The combination set forth in claim 1 including a handle attached to said drum for moving said drum against the action of said spring.
3. The combination set forth in claim 1 including low-friction contact surfaces on said drum engaging said base.
4. The combination set forth in claim I wherein said means for guiding said drum comprises a member on said base adjacent each end of said drum and extending longitudinally on said base and parallel to the direction of movement of said drum.
5. The combination set forth in claim 1 including stop means for limiting the movement of said drum toward said one end of said base.
6. The combination set forth in claim 5 including a handle connected to said drum.
7. The combination set forth in claim 6 including means on the other end of said base for engaging said handle and holding said drum in a retracted position. I
8. The combination set forth in claim 5 wherein said stop means is adjustable longitudinally on said base.
9. The combination set forth in claim 4 including stop means on said guiding means for limiting the movement of said drum toward said one end of said base.
I0. The combination set forth in claim 4 wherein said guiding means comprises guide rails spaced from said base and grooved portions on said drum engaging said rails.
Ill. The combination set forth in claim 1 including a stop on said base engageable by the end of a fluid container.

Claims (11)

1. An apparatus for intravenous feeding comprising a base, means on the base for defining a track, a drum, means on the base for guiding the drum along the track for relative rolling movement with respect to the base, a constant tension spring wound about the periphery of said drum and having one end thereof fixed to the drum and the other end thereof fixed to said base adjacent one end thereof, whereby a collapsible fluid container positioned on the spring when said spring is in an unwound condition can be progressively compressed by the constant tension spring as the spring moves the drum on said base
2. The combination set forth in claim 1 including a handle attached to said drum for moving said drum against the action of said spring.
3. The combination set forth in claim 1 including low-friction contact surfaces on said drum engaging said base.
4. The combination set forth in claim 1 wherein said means for guiding said drum comprises a member on said base adjacent each end of said drum and extending longitudinally on said base and parallel to the direction of movement of said drum.
5. The combination set forth in claim 1 including stop means for limiting the movement of said drum toward said one end of said base.
6. The combination set forth in claim 5 including a handle connected to said drum.
7. The combination set forth in claim 6 including means on the other end of said base for engaging said handle and holding said drum in a retracted position.
8. The combination set forth in claim 5 wherein said stop means is adjustable longitudinally on said base.
9. The combination set forth in claim 4 including stop means on said guiding means for limiting the movement of said drum toward said one end of said base.
10. The combination set forth in claim 4 wherein said guiding means comprises guide rails spaced from said base and grooved portions on said drum engaging said rails.
11. The combination set forth in claim 1 including a stop on said base engageable by the end of a fluid container.
US852347A 1969-08-22 1969-08-22 Apparatus for intravenous feeding and the like Expired - Lifetime US3647117A (en)

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Cited By (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3998348A (en) * 1975-08-15 1976-12-21 Michael Sammaritano Nursing bottle
FR2450613A1 (en) * 1979-03-08 1980-10-03 Baxter Travenol Lab METHOD FOR COLLECTING AND FREEZING BLOOD PLASMA, AND CORRESPONDING SAMPLING SYSTEM
EP0075762A1 (en) * 1981-09-25 1983-04-06 Siemens Aktiengesellschaft Implantable infusion apparatus
US4413988A (en) * 1982-04-28 1983-11-08 Handt Alan E Short-tubing set gravity powered peritoneal cycler
DE3303443A1 (en) * 1979-05-22 1984-08-02 Bull, Glen C., Alexandria, Va. Method for the portioned delivery of drinks
US4636197A (en) * 1985-02-15 1987-01-13 Ping Chu Intravenous fluid infusion device
EP0248538A1 (en) * 1986-05-06 1987-12-09 David P. Colvin Improved infusion method and means
WO1988002641A1 (en) * 1986-10-15 1988-04-21 Baxter Travenol Laboratories, Inc. Mobile, self-contained blood collection system and method
US4741736A (en) * 1986-12-10 1988-05-03 I-Flow Corporation Programmable infusion pump
US4765512A (en) * 1979-05-22 1988-08-23 Bull Jr Glen C Self-dispensing spring biased thin film container
US4842576A (en) * 1986-10-15 1989-06-27 Baxter International Inc. System for generating substantially constant fluid pressure
US4850971A (en) * 1986-05-06 1989-07-25 Triangle Research And Development Corporation Infusion method and means
US4911703A (en) * 1986-10-15 1990-03-27 Baxter International Inc. Mobile, self-contained blood collection system and method
GB2237845A (en) * 1989-11-06 1991-05-15 Cobe Lab Fluid flow control.
US5154704A (en) * 1990-10-31 1992-10-13 Kent Archibald G IV clamp with tube clip
US5211626A (en) * 1987-05-01 1993-05-18 Product Innovation Holdings Ltd. Medical infusion apparatus
US5232437A (en) * 1986-10-15 1993-08-03 Baxter International Inc. Mobile, self-contained blood collection system and method
WO1993016932A2 (en) 1992-02-25 1993-09-02 Cambridge Consultants Limited Fluid delivery apparatus
WO1994008646A1 (en) * 1992-10-15 1994-04-28 Health Care Technology Australia Pty. Ltd. Intravenous delivery system
US5330431A (en) * 1993-03-12 1994-07-19 Glenn Herskowitz Infusion pump
WO1995004561A1 (en) * 1993-08-06 1995-02-16 The Spring Consortium Limited Apparatus for varying the quantity of contents in a receptacle
US5911716A (en) * 1992-01-24 1999-06-15 I-Flow Corporation Platen pump
US6074366A (en) * 1998-01-16 2000-06-13 Tandem Medical Inc. Medication delivery apparatus
US6251098B1 (en) 1992-01-24 2001-06-26 I-Flow, Corp. Fluid container for use with platen pump
US6358239B1 (en) 1992-01-24 2002-03-19 I-Flow Corporation Platen pump
WO2003047990A1 (en) * 2001-12-05 2003-06-12 International Dispensing Corporation Portion control dispenser
US6669668B1 (en) 1999-11-05 2003-12-30 Tandem Medical Medication delivery pump
US6726655B1 (en) 1999-11-05 2004-04-27 Tandem Medical Medication delivery system
GB2405182A (en) * 2003-08-20 2005-02-23 Micro Chemical Systems Ltd Fluid dispenser
US20060287633A1 (en) * 2005-06-15 2006-12-21 Jen-Hsien Yo Portable device for transfusing medical fluid
FR2887458A1 (en) * 2005-06-28 2006-12-29 Michel Boisson Physiological solution e.g. nutrient solution, perfusion device for use in e.g. hospital environment, has unit exerting pressure on pouch and comprising extension spring body that permits to exert constant force to squeezing drum and case
US20080215029A1 (en) * 1993-01-22 2008-09-04 I-Flow Corporation Platen pump
US20100137808A1 (en) * 2008-11-25 2010-06-03 Meridian Medical Technologies, Inc. Cartridge For Auto-Injector Apparatus
WO2010133673A1 (en) * 2009-05-20 2010-11-25 Sanofi-Aventis Deutschland Gmbh Drug delivery device and use of a rotatable roll in a drug delivery device
CN103301526A (en) * 2013-06-06 2013-09-18 北京锐业制药有限公司 Negative pressure assist device for soft bag infusion
US8678236B2 (en) * 2012-07-03 2014-03-25 Rich Products Corporation Simple serve topping dispenser
US8715236B2 (en) 2011-12-02 2014-05-06 Trendymed Inc. Mobile infusion device
WO2015101571A1 (en) * 2013-12-30 2015-07-09 Pernod Ricard Sa Beverage dispensing module and flexible pouch
US20170087856A1 (en) * 2015-09-30 2017-03-30 Brother Kogyo Kabushiki Kaisha Cartridge case
US10544028B2 (en) 2013-12-30 2020-01-28 Pernod Ricard Sa Beverage dispensing container, apparatus, system and method
WO2021219187A1 (en) * 2020-04-30 2021-11-04 Osaa Innovation Aps An assembly and a system suitable for dispensing a liquid from a compressible bag
US11504470B1 (en) * 2021-04-30 2022-11-22 Fresenius Kabi Deutschland Gmbh Deformable drug reservoir for wearable drug delivery device
US11826544B2 (en) 2017-10-26 2023-11-28 Osaa Innovation Aps Assembly for dispensing a liquid comprising an apparatus and a compressible bag

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Patent Citations (2)

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US1731703A (en) * 1928-06-06 1929-10-15 Russell L Bourke Tooth-paste-dispensing device
US2848141A (en) * 1957-03-13 1958-08-19 Intagliata Dominic Device for dispensing the contents of collapsible tubes

Cited By (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3998348A (en) * 1975-08-15 1976-12-21 Michael Sammaritano Nursing bottle
FR2450613A1 (en) * 1979-03-08 1980-10-03 Baxter Travenol Lab METHOD FOR COLLECTING AND FREEZING BLOOD PLASMA, AND CORRESPONDING SAMPLING SYSTEM
US4765512A (en) * 1979-05-22 1988-08-23 Bull Jr Glen C Self-dispensing spring biased thin film container
DE3303443A1 (en) * 1979-05-22 1984-08-02 Bull, Glen C., Alexandria, Va. Method for the portioned delivery of drinks
US4511355A (en) * 1981-09-25 1985-04-16 Siemens Aktiengesellschaft Infusion device intended for implantation in a living body
EP0075762A1 (en) * 1981-09-25 1983-04-06 Siemens Aktiengesellschaft Implantable infusion apparatus
US4413988A (en) * 1982-04-28 1983-11-08 Handt Alan E Short-tubing set gravity powered peritoneal cycler
WO1983003765A1 (en) * 1982-04-28 1983-11-10 Handt Alan E Short-tubing set gravity powered peritoneal cycler
US4636197A (en) * 1985-02-15 1987-01-13 Ping Chu Intravenous fluid infusion device
EP0248538A1 (en) * 1986-05-06 1987-12-09 David P. Colvin Improved infusion method and means
US4850971A (en) * 1986-05-06 1989-07-25 Triangle Research And Development Corporation Infusion method and means
WO1988002641A1 (en) * 1986-10-15 1988-04-21 Baxter Travenol Laboratories, Inc. Mobile, self-contained blood collection system and method
US5232437A (en) * 1986-10-15 1993-08-03 Baxter International Inc. Mobile, self-contained blood collection system and method
US4842576A (en) * 1986-10-15 1989-06-27 Baxter International Inc. System for generating substantially constant fluid pressure
US4911703A (en) * 1986-10-15 1990-03-27 Baxter International Inc. Mobile, self-contained blood collection system and method
US4741736A (en) * 1986-12-10 1988-05-03 I-Flow Corporation Programmable infusion pump
US5211626A (en) * 1987-05-01 1993-05-18 Product Innovation Holdings Ltd. Medical infusion apparatus
GB2237845A (en) * 1989-11-06 1991-05-15 Cobe Lab Fluid flow control.
GB2237845B (en) * 1989-11-06 1993-08-04 Cobe Lab Fluid flow control
US5154704A (en) * 1990-10-31 1992-10-13 Kent Archibald G IV clamp with tube clip
US6358239B1 (en) 1992-01-24 2002-03-19 I-Flow Corporation Platen pump
US6251098B1 (en) 1992-01-24 2001-06-26 I-Flow, Corp. Fluid container for use with platen pump
US7337922B2 (en) 1992-01-24 2008-03-04 I-Flow Corporation Platen pump
US7083068B2 (en) 1992-01-24 2006-08-01 I-Flow Corporation Platen pump
US20050211725A1 (en) * 1992-01-24 2005-09-29 Rake Kenneth W Platen pump
US6871759B2 (en) 1992-01-24 2005-03-29 I-Flow Corporation Platen pump
US20040108333A1 (en) * 1992-01-24 2004-06-10 Rake Kenneth W. Platen pump
US5911716A (en) * 1992-01-24 1999-06-15 I-Flow Corporation Platen pump
WO1993016932A3 (en) * 1992-02-25 1993-10-28 Cambridge Consultants Fluid delivery apparatus
WO1993016932A2 (en) 1992-02-25 1993-09-02 Cambridge Consultants Limited Fluid delivery apparatus
US5728077A (en) * 1992-10-15 1998-03-17 Health Care Technology Australia Pty. Ltd. Intravenous delivery system
GB2286465B (en) * 1992-10-15 1996-07-17 Health Care Tech Australia Intravenous delivery system
WO1994008646A1 (en) * 1992-10-15 1994-04-28 Health Care Technology Australia Pty. Ltd. Intravenous delivery system
GB2286465A (en) * 1992-10-15 1995-08-16 Health Care Tech Australia Intravenous delivery system
US20080215029A1 (en) * 1993-01-22 2008-09-04 I-Flow Corporation Platen pump
US5330431A (en) * 1993-03-12 1994-07-19 Glenn Herskowitz Infusion pump
WO1995004561A1 (en) * 1993-08-06 1995-02-16 The Spring Consortium Limited Apparatus for varying the quantity of contents in a receptacle
US6146360A (en) * 1998-01-16 2000-11-14 Tandem Medical, Inc. Medication delivery apparatus
US6416496B1 (en) 1998-01-16 2002-07-09 Tandem Medical, Inc. Medication delivery apparatus
US6074366A (en) * 1998-01-16 2000-06-13 Tandem Medical Inc. Medication delivery apparatus
US6669668B1 (en) 1999-11-05 2003-12-30 Tandem Medical Medication delivery pump
US6726655B1 (en) 1999-11-05 2004-04-27 Tandem Medical Medication delivery system
WO2003047990A1 (en) * 2001-12-05 2003-06-12 International Dispensing Corporation Portion control dispenser
GB2405182A (en) * 2003-08-20 2005-02-23 Micro Chemical Systems Ltd Fluid dispenser
GB2405182B (en) * 2003-08-20 2008-01-02 Micro Chemical Systems Ltd Fluid dispenser
US20060287633A1 (en) * 2005-06-15 2006-12-21 Jen-Hsien Yo Portable device for transfusing medical fluid
FR2887458A1 (en) * 2005-06-28 2006-12-29 Michel Boisson Physiological solution e.g. nutrient solution, perfusion device for use in e.g. hospital environment, has unit exerting pressure on pouch and comprising extension spring body that permits to exert constant force to squeezing drum and case
US20100137808A1 (en) * 2008-11-25 2010-06-03 Meridian Medical Technologies, Inc. Cartridge For Auto-Injector Apparatus
US20100137832A1 (en) * 2008-11-25 2010-06-03 Meridian Medical Technologies, Inc. Auto-Injector Apparatus
US8690836B2 (en) 2008-11-25 2014-04-08 Meridian Medical Technologies, Inc. Auto-injector apparatus
JP2012527271A (en) * 2009-05-20 2012-11-08 サノフィ−アベンティス・ドイチュラント・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング Drug delivery device and use of rotating roll in drug delivery device
US8652108B2 (en) * 2009-05-20 2014-02-18 Sanofi-Aventis Deutschland Gmbh Drug delivery device and use of a rotatable roll in a drug delivery device
WO2010133673A1 (en) * 2009-05-20 2010-11-25 Sanofi-Aventis Deutschland Gmbh Drug delivery device and use of a rotatable roll in a drug delivery device
US20120197212A1 (en) * 2009-05-20 2012-08-02 Sanofi-Aventis Deutschland Gmbh Drug delivery device and use of a rotatable roll in a drug delivery device
US8715236B2 (en) 2011-12-02 2014-05-06 Trendymed Inc. Mobile infusion device
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