US3135261A - Blood sampler - Google Patents

Blood sampler Download PDF

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Publication number
US3135261A
US3135261A US139739A US13973961A US3135261A US 3135261 A US3135261 A US 3135261A US 139739 A US139739 A US 139739A US 13973961 A US13973961 A US 13973961A US 3135261 A US3135261 A US 3135261A
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Prior art keywords
plunger
cylinder
blood
blood sampler
sampler
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Expired - Lifetime
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US139739A
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Alfred J Carroll
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150015—Source of blood
    • A61B5/15003—Source of blood for venous or arterial blood
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381—Design of piercing elements
    • A61B5/150389—Hollow piercing elements, e.g. canulas, needles, for piercing the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381—Design of piercing elements
    • A61B5/150503—Single-ended needles
    • A61B5/150519—Details of construction of hub, i.e. element used to attach the single-ended needle to a piercing device or sampling device
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
    • A61B5/150259—Improved gripping, e.g. with high friction pattern or projections on the housing surface or an ergonometric shape
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150351—Caps, stoppers or lids for sealing or closing a blood collection vessel or container, e.g. a test-tube or syringe barrel
    • 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
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31501—Means for blocking or restricting the movement of the rod or piston
    • A61M5/31505—Integral with the syringe barrel, i.e. connected to the barrel so as to make up a single complete piece or unit
    • A61M2005/31506—Integral with the syringe barrel, i.e. connected to the barrel so as to make up a single complete piece or unit formed as a single piece, e.g. moulded
    • 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
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms

Definitions

  • This invention relates to a blood sampler with which a sample of blood can be taken from a patient for purposes of examination and testing.
  • My invention can also be used as an injection syringe if the user desires to thus use it.
  • An object of my invention is to provide a novel blood sampler in which the plunger portion thereof can also be used as a container or test tube for the blood after it is removed from the patient.
  • Another object of my invention is to provide a blood sampler of the character stated in which the hollow or open ended plunger can be closed or sealed by means of a plug if it is desired to use the sampler as a syringe.
  • Still another object of my invention is to provide a blood sampler in which there are no gaskets for sealing purposes, since the construction of the sampler is such that it will eifectively seal without gaskets, and also without requiring hand assembly or finish grinding of any kind.
  • Still another object of my invention is to provide a blood sampler in which the cylinder portion thereof is provided with two adjacent inwardly projecting rings which engage the plunger or piston portion of the sampler, the lowermost ring serving as a seal and the uppermost ring serving as a stabilizer or aligning means for the plunger or piston portion.
  • the entire blood sampler can be formed of a plastic material which requires no finishing or machining of any kind, and also where the plunger portion will compress or distort sufiiciently to permit the plunger to pass the sealing rings in the cylinder portion, and also will efiectively seal against pressure leakage.
  • FIGURE 1 is a perspective of my blood sampler.
  • FIGURE 2 is a longitudinal sectional view of the same.
  • FIGURE 3 is a fragmentary longitudinal sectional view on an enlarged scale of the blood sampler.
  • FIGURE 4 is a longitudinal sectional view of a blood sampler when used as an injection syringe.
  • the numeral 1 indicates the cylinder portion of my blood sampler, and this cylinder portion is formed of a plastic material which can be easily and inexpensively molded in a suitable mold.
  • the cylinder 1 includes an outwardly projecting flange 2 at its upper end which serves as a fin-
  • the lower end of the cylinder tapers to a nipple 3 on which the usual and well known hypodermic needle 4 is secured.
  • a plunger 5 is slidably mounted in the cylinder 1 and this plunger is also formed of a suitable molded plastic material which is preferably slightly distortable or compressible, for reasons which will be subsequently described.
  • the plunger 5 is open at its lower end, as shown at 6, and is closed at its upper end by the wall 7; thus it will be evident that when the blood sampler is filled with a quantity of blood from the patient that it can be inverted with the 3,135,261 Patented June 2, 1964 wall 7 downwardly, thus permitting the blood to drain into the plunger 5 and from which the blood can then be taken in the same manner as a test tube for testing or examination.
  • the opening 6 could be sealed with a plug (not shown), or the plunger 5 could be inverted as shown in FIGURE 4, in which event the wall 7 is downwardly and thus acts as a solid piston for injection purposes.
  • the cylinder 1 Adjacent its upper end the cylinder 1 is formed with a lower inwardly projecting ring 8 and an upper inwardly projecting ring 9. These two inwardly projecting rings engage the wall of the plunger 5 and serve to seal the plunger to prevent leakage.
  • the rings 8--9 being spaced, will also serve to stabilize or prevent wobble of the plunger 5 while in use.
  • the plunger 5 is also formed with an outwardly projecting sealing ring 10 at its lower end, that is, adjacent the open end 6. This ring also has a sealing function, in that it engages the inner wall of the cylinder 1.
  • the plunger 5 Since the plunger 5 is formed of a yieldable or distortable plastic, it can readily be forced past the inwardly projecting rings 8 and 9 when the plunger 5 is being inserted into the cylinder 1. The projecting rings 8 and 10 will also engage when the plunger 5 is almost entirely withdrawn from the cylinder 1, and will thus act as a warning to prevent accidental and complete withdrawal of the plunger 5 from the cylinder. It will be evident that the interengaging parts of my blood sampler, namely, the inner surface of the cylinder 1, as well as the outer surface of the plunger 5 will not require any final finishing or machining of any kind in order to fit accurately together, and to provide the required partial vacuum when used as a blood sampler, or the required pressure when used as an injection syringe.
  • a blood sampler comprising a thin walled cylinder formed of a nonmetallic material which has a limited expansion and contraction under pressure, means mounting a hypodermic needle on one end of said cylinder, the end of the cylinder opposite said needle being open, a plunger slidably mounted in said cylinder, said plunger being formed of a nonmetallic material which has a limited expansion and contraction under pressure, the end of the plunger within the cylinder being open and the end of the plunger on the outside of the cylinder being closed, an inwardly projecting sealing ring adjacent the open end of the cylinder and integrally formed with the cylinder, said ring bearing against the plunger, and a sealing ring integrally formed on the plunger adjacent the open end of the plunger, said last named sealing ring engaging the wall of the cylinder.

Description

un 1964 A. J. CARROLL BLOOD SAMPLER Filed Sept. 21, 1961 FIG.3 Wm
ALFRED .CARROLL ATTORNEY ger hold when the sampler is in use.
United States Patent 3,135,261 BLOOD SAMPLER Alfred J. Carroll, 2740 E. 2nd St., Long Beach 3, Calif assignor 0E one-half to Theodore H. Chamberlin, Long Beach, Calif.
Filed Sept. 21, 1961, Ser. No. 139,739 1 Claim. (Cl. 128220) This invention relates to a blood sampler with which a sample of blood can be taken from a patient for purposes of examination and testing. My invention can also be used as an injection syringe if the user desires to thus use it.
An object of my invention is to provide a novel blood sampler in which the plunger portion thereof can also be used as a container or test tube for the blood after it is removed from the patient.
Another object of my invention is to provide a blood sampler of the character stated in which the hollow or open ended plunger can be closed or sealed by means of a plug if it is desired to use the sampler as a syringe.
Still another object of my invention is to provide a blood sampler in which there are no gaskets for sealing purposes, since the construction of the sampler is such that it will eifectively seal without gaskets, and also without requiring hand assembly or finish grinding of any kind.
Still another object of my invention is to provide a blood sampler in which the cylinder portion thereof is provided with two adjacent inwardly projecting rings which engage the plunger or piston portion of the sampler, the lowermost ring serving as a seal and the uppermost ring serving as a stabilizer or aligning means for the plunger or piston portion.
Another feature of my invention resides in the fact that the entire blood sampler can be formed of a plastic material which requires no finishing or machining of any kind, and also where the plunger portion will compress or distort sufiiciently to permit the plunger to pass the sealing rings in the cylinder portion, and also will efiectively seal against pressure leakage.
Other objects, advantages and features of invention may appear from the accompanying drawing, the subjoined detailed description and the appended claims.
In the drawing:
FIGURE 1 is a perspective of my blood sampler.
FIGURE 2 is a longitudinal sectional view of the same.
FIGURE 3 is a fragmentary longitudinal sectional view on an enlarged scale of the blood sampler.
FIGURE 4 is a longitudinal sectional view of a blood sampler when used as an injection syringe.
Referring more particularly to the drawing, the numeral 1 indicates the cylinder portion of my blood sampler, and this cylinder portion is formed of a plastic material which can be easily and inexpensively molded in a suitable mold. The cylinder 1 includes an outwardly projecting flange 2 at its upper end which serves as a fin- The lower end of the cylinder tapers to a nipple 3 on which the usual and well known hypodermic needle 4 is secured. A plunger 5 is slidably mounted in the cylinder 1 and this plunger is also formed of a suitable molded plastic material which is preferably slightly distortable or compressible, for reasons which will be subsequently described. The plunger 5 is open at its lower end, as shown at 6, and is closed at its upper end by the wall 7; thus it will be evident that when the blood sampler is filled with a quantity of blood from the patient that it can be inverted with the 3,135,261 Patented June 2, 1964 wall 7 downwardly, thus permitting the blood to drain into the plunger 5 and from which the blood can then be taken in the same manner as a test tube for testing or examination.
If it should be desired to use the device as a hypodermic or injection syringe, the opening 6 could be sealed with a plug (not shown), or the plunger 5 could be inverted as shown in FIGURE 4, in which event the wall 7 is downwardly and thus acts as a solid piston for injection purposes.
Adjacent its upper end the cylinder 1 is formed with a lower inwardly projecting ring 8 and an upper inwardly projecting ring 9. These two inwardly projecting rings engage the wall of the plunger 5 and serve to seal the plunger to prevent leakage. The rings 8--9 being spaced, will also serve to stabilize or prevent wobble of the plunger 5 while in use. The plunger 5 is also formed with an outwardly projecting sealing ring 10 at its lower end, that is, adjacent the open end 6. This ring also has a sealing function, in that it engages the inner wall of the cylinder 1.
Since the plunger 5 is formed of a yieldable or distortable plastic, it can readily be forced past the inwardly projecting rings 8 and 9 when the plunger 5 is being inserted into the cylinder 1. The projecting rings 8 and 10 will also engage when the plunger 5 is almost entirely withdrawn from the cylinder 1, and will thus act as a warning to prevent accidental and complete withdrawal of the plunger 5 from the cylinder. It will be evident that the interengaging parts of my blood sampler, namely, the inner surface of the cylinder 1, as well as the outer surface of the plunger 5 will not require any final finishing or machining of any kind in order to fit accurately together, and to provide the required partial vacuum when used as a blood sampler, or the required pressure when used as an injection syringe.
Having described my invention, I claim:
A blood sampler comprising a thin walled cylinder formed of a nonmetallic material which has a limited expansion and contraction under pressure, means mounting a hypodermic needle on one end of said cylinder, the end of the cylinder opposite said needle being open, a plunger slidably mounted in said cylinder, said plunger being formed of a nonmetallic material which has a limited expansion and contraction under pressure, the end of the plunger within the cylinder being open and the end of the plunger on the outside of the cylinder being closed, an inwardly projecting sealing ring adjacent the open end of the cylinder and integrally formed with the cylinder, said ring bearing against the plunger, and a sealing ring integrally formed on the plunger adjacent the open end of the plunger, said last named sealing ring engaging the wall of the cylinder.
References Cited in the file of this patent UNITED STATES PATENTS 701,671 Billings June 3, 1902 1,154,677 Wedig Sept. 28, 1915 1,348,412 Harriman Aug. 3, 1920 1,499,952 Spahlinger July 1, 1924 2,436,638 Dolmatch Feb. 24, 1948 FOREIGN PATENTS 717,158 France Oct. 19, 1931 1,115,773 France Mar. 26, 1958 1,247,644 France Oct. 24, 1960 737,679 Great Britain Sept. 28, 1955
US139739A 1961-09-21 1961-09-21 Blood sampler Expired - Lifetime US3135261A (en)

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Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3776218A (en) * 1971-12-27 1973-12-04 J Svensson Apparatus for drawing liquid such as blood
US3845762A (en) * 1970-09-24 1974-11-05 Nesco Plastics Inc Syringe
FR2322369A1 (en) * 1975-08-29 1977-03-25 Eastman Kodak Co INSTRUMENT SEPARATOR AND DISPENSER FOR LIQUID, SUCH AS SERUM, WITH TELESCOPIC STRUCTURE
EP0668048A1 (en) * 1994-01-29 1995-08-23 Walter Sarstedt Geräte und Verbrauchsmaterial für Medizin und Wissenschaft Blood sampling device
US5688254A (en) * 1983-01-24 1997-11-18 Icu Medical, Inc. Medical connector
US5873862A (en) * 1991-12-18 1999-02-23 Icu Medical, Inc. Medical valve and method of use
US20020040207A1 (en) * 1995-12-15 2002-04-04 Lopez George A. Medical valve with fluid escape space
US6599273B1 (en) 1991-12-18 2003-07-29 Icu Medical, Inc. Fluid transfer device and method of use
US20040006330A1 (en) * 2000-07-11 2004-01-08 Fangrow Thomas F Medical valve with positive flow characteristics
US20050197646A1 (en) * 2002-02-11 2005-09-08 Brian Connell Dialysis connector with retention and feedback features
US20060161115A1 (en) * 2004-11-05 2006-07-20 Fangrow Thomas F Soft-grip medical connector
US20060212006A1 (en) * 1996-12-16 2006-09-21 Fangrow Thomas F Jr Medical valve with positive flow characteristics
US20100130918A1 (en) * 2008-11-21 2010-05-27 Baxter International Inc. Systems and methods for removing air from supply containers and associated fill tubing
US20100130919A1 (en) * 2008-11-21 2010-05-27 Baxter International Inc. Systems and methods for removing air from the patient's peritoneal cavity
USD644731S1 (en) 2010-03-23 2011-09-06 Icu Medical, Inc. Medical connector
US8105314B2 (en) 2006-10-25 2012-01-31 Icu Medical, Inc. Medical connector
US8454579B2 (en) 2009-03-25 2013-06-04 Icu Medical, Inc. Medical connector with automatic valves and volume regulator
US8758306B2 (en) 2010-05-17 2014-06-24 Icu Medical, Inc. Medical connectors and methods of use
USD786427S1 (en) 2014-12-03 2017-05-09 Icu Medical, Inc. Fluid manifold
USD793551S1 (en) 2014-12-03 2017-08-01 Icu Medical, Inc. Fluid manifold
US10369349B2 (en) 2013-12-11 2019-08-06 Icu Medical, Inc. Medical fluid manifold

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US701671A (en) * 1901-08-03 1902-06-03 John A Billings Hypodermic syringe.
US1154677A (en) * 1914-09-12 1915-09-28 John Harrison Wedig Hypodermic syringe.
US1348412A (en) * 1919-04-03 1920-08-03 George V Harriman Syringe
US1499952A (en) * 1920-03-01 1924-07-01 Spahlinger Henry Ampul syringe
FR717158A (en) * 1931-05-16 1932-01-05 Sample syringe
US2436638A (en) * 1945-02-03 1948-02-24 Dolmatch Aaron Blood specimen container and cooperating withdrawing means
GB737679A (en) * 1952-11-26 1955-09-28 S & R J Everett & Co Ltd Improvements relating to hypodermic syringes
FR1115773A (en) * 1954-12-04 1956-04-30 Improvements to syringes for hypodermic injections
FR1247644A (en) * 1959-07-29 1960-12-02 Injection syringe

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US701671A (en) * 1901-08-03 1902-06-03 John A Billings Hypodermic syringe.
US1154677A (en) * 1914-09-12 1915-09-28 John Harrison Wedig Hypodermic syringe.
US1348412A (en) * 1919-04-03 1920-08-03 George V Harriman Syringe
US1499952A (en) * 1920-03-01 1924-07-01 Spahlinger Henry Ampul syringe
FR717158A (en) * 1931-05-16 1932-01-05 Sample syringe
US2436638A (en) * 1945-02-03 1948-02-24 Dolmatch Aaron Blood specimen container and cooperating withdrawing means
GB737679A (en) * 1952-11-26 1955-09-28 S & R J Everett & Co Ltd Improvements relating to hypodermic syringes
FR1115773A (en) * 1954-12-04 1956-04-30 Improvements to syringes for hypodermic injections
FR1247644A (en) * 1959-07-29 1960-12-02 Injection syringe

Cited By (94)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3845762A (en) * 1970-09-24 1974-11-05 Nesco Plastics Inc Syringe
US3776218A (en) * 1971-12-27 1973-12-04 J Svensson Apparatus for drawing liquid such as blood
FR2322369A1 (en) * 1975-08-29 1977-03-25 Eastman Kodak Co INSTRUMENT SEPARATOR AND DISPENSER FOR LIQUID, SUCH AS SERUM, WITH TELESCOPIC STRUCTURE
US4052320A (en) * 1975-08-29 1977-10-04 Eastman Kodak Company Telescoping serum separator and dispenser
US5688254A (en) * 1983-01-24 1997-11-18 Icu Medical, Inc. Medical connector
US5928204A (en) * 1991-12-18 1999-07-27 Icu Medical, Inc. Medical valve and method of use
US7722575B2 (en) 1991-12-18 2010-05-25 Icu Medical, Inc. Medical valve and method of use
US5873862A (en) * 1991-12-18 1999-02-23 Icu Medical, Inc. Medical valve and method of use
US7713248B2 (en) 1991-12-18 2010-05-11 Icu Medical, Inc. Medical valve and method of use
US6132403A (en) * 1991-12-18 2000-10-17 Icu Medical, Inc. Medical valve and method of use
US20060264891A1 (en) * 1991-12-18 2006-11-23 Icu Medical, Inc. Medical valve and method of use
US6572592B1 (en) 1991-12-18 2003-06-03 Icu Medical, Inc. Medical valve and method of use
US6599273B1 (en) 1991-12-18 2003-07-29 Icu Medical, Inc. Fluid transfer device and method of use
US7713249B2 (en) 1991-12-18 2010-05-11 Icu Medical, Inc. Medical valve and method of use
US6669673B2 (en) 1991-12-18 2003-12-30 Icu Medical, Inc. Medical valve
US20040002684A1 (en) * 1991-12-18 2004-01-01 Lopez George A. Fluid transfer device and method of use
US7713247B2 (en) 1991-12-18 2010-05-11 Icu Medical, Inc. Medical valve and method of use
US6682509B2 (en) 1991-12-18 2004-01-27 Icu Medical, Inc. Medical valve and method of use
US7717883B2 (en) 1991-12-18 2010-05-18 Icu Medical, Inc. Medical valve and method of use
US7722576B2 (en) 1991-12-18 2010-05-25 Icu Medical, Inc. Medical valve and method of use
US20040073174A1 (en) * 1991-12-18 2004-04-15 Lopez George A. Medical valve and method of use
US6758833B2 (en) 1991-12-18 2004-07-06 Icu Medical, Inc. Medical value
US7717886B2 (en) 1991-12-18 2010-05-18 Icu Medical, Inc. Medical valve and method of use
US7717885B2 (en) 1991-12-18 2010-05-18 Icu Medical, Inc. Medical valve and method of use
US7717887B2 (en) 1991-12-18 2010-05-18 Icu Medical, Inc. Medical valve and method of use
US7717884B2 (en) 1991-12-18 2010-05-18 Icu Medical, Inc. Medical valve and method of use
US20060206058A1 (en) * 1991-12-18 2006-09-14 Lopez George A Medical valve and method of use
EP0668048A1 (en) * 1994-01-29 1995-08-23 Walter Sarstedt Geräte und Verbrauchsmaterial für Medizin und Wissenschaft Blood sampling device
US5755701A (en) * 1994-01-29 1998-05-26 Sarstedt; Walter Blood withdrawal device
US8002765B2 (en) 1995-12-15 2011-08-23 Icu Medical, Inc. Medical valve with fluid escape space
US6635044B2 (en) 1995-12-15 2003-10-21 Icu Medical, Inc. Medical valve with fluid escape space
US20020040207A1 (en) * 1995-12-15 2002-04-04 Lopez George A. Medical valve with fluid escape space
US20060212006A1 (en) * 1996-12-16 2006-09-21 Fangrow Thomas F Jr Medical valve with positive flow characteristics
US20060004331A1 (en) * 2000-07-11 2006-01-05 Fangrow Thomas F Jr Medical valve with positive flow characteristics
US8444628B2 (en) 2000-07-11 2013-05-21 Icu Medical, Inc. Needleless medical connector
US20060276758A1 (en) * 2000-07-11 2006-12-07 Fangrow Thomas F Jr Medical valve with positive flow characteristics
US20060276757A1 (en) * 2000-07-11 2006-12-07 Fangrow Thomas F Jr Medical valve with positive flow characteristics
US9238129B2 (en) 2000-07-11 2016-01-19 Icu Medical, Inc. Medical connector
US7497849B2 (en) 2000-07-11 2009-03-03 Icu Medical, Inc. High flow rate needleless medical connector
US7628774B2 (en) 2000-07-11 2009-12-08 Icu Medical, Inc. Needleless Medical Connector
US20040030321A1 (en) * 2000-07-11 2004-02-12 Fangrow Thomas F. Medical valve with positive flow characteristics
US8870850B2 (en) 2000-07-11 2014-10-28 Icu Medical, Inc. Medical connector
US7763199B2 (en) 2000-07-11 2010-07-27 Icu Medical, Inc. Method of making a seal having slit formed therein
US20060264844A1 (en) * 2000-07-11 2006-11-23 Fangrow Thomas F Jr Medical valve with positive flow characteristics
US20060224127A1 (en) * 2000-07-11 2006-10-05 Fangrow Thomas F Jr Medical valve with positive flow characteristics
US8221391B2 (en) 2000-07-11 2012-07-17 Icu Medical, Inc. Needleless medical connector
US20040006330A1 (en) * 2000-07-11 2004-01-08 Fangrow Thomas F Medical valve with positive flow characteristics
US6695817B1 (en) 2000-07-11 2004-02-24 Icu Medical, Inc. Medical valve with positive flow characteristics
US6916309B2 (en) 2000-07-11 2005-07-12 Icu Medical, Inc. Medical valve with positive flow characteristics
US20050197646A1 (en) * 2002-02-11 2005-09-08 Brian Connell Dialysis connector with retention and feedback features
US7708714B2 (en) 2002-02-11 2010-05-04 Baxter International Inc. Dialysis connector with retention and feedback features
US9186494B2 (en) 2004-11-05 2015-11-17 Icu Medical, Inc. Medical connector
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