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Class Information
Number: 604/231
Name: Surgery > Means for introducing or removing material from body for therapeutic purposes (e.g., medicating, irrigating, aspirating, etc.) > Treating material introduced into or removed from body orifice, or inserted or removed subcutaneously other than by diffusing through skin > Material introduced or removed through conduit, holder, or implantable reservoir inserted in body > Means moved by person to inject or remove fluent material to or from body inserted conduit, holder, or reservoir > Injector or aspirator syringe supported only by person during use (e.g., hand held hypodermic syringe, douche tube with forced injection, etc.) > With piston or plunger for expelling material from body or injector reservoir > Material passed to or from body through aperture in piston
Description: Subject matter wherein the material is forced into or out of the body by passing through a passageway in the piston or ram.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7255251 |
Holding appliance for facilitating blood drawing process |
Aug. 14, 2007 |
| 7195606 |
Syringe and a method for its utilization in analysis |
Mar. 27, 2007 |
| 7144382 |
Device for treating a fluid-like sample such as a whole blood, with treatment fluid, use of such a device and kit containing such a device |
Dec. 5, 2006 |
| 7101354 |
Mixing syringe with and without flush |
Sep. 5, 2006 |
| 7048720 |
Multi-chamber, sequential dose dispensing syringe |
May. 23, 2006 |
| 6997910 |
Multi-chamber, sequential dose dispensing syringe |
Feb. 14, 2006 |
| 6808512 |
Safety syringe |
Oct. 26, 2004 |
| 6569115 |
Pre-filled retractable needle injection device |
May. 27, 2003 |
| 6056728 |
Device for dispensing discrete doses of a liquid |
May. 2, 2000 |
| 6039713 |
Pre-filled retractable needle injection device |
Mar. 21, 2000 |
| RE36273 |
Syringe apparatus for separating blood |
Aug. 17, 1999 |
| 5919172 |
Hypodermic needle having a differential surface finish |
Jul. 6, 1999 |
| 5879336 |
Device for injecting a liquid |
Mar. 9, 1999 |
| 5827235 |
Method and apparatus used to apply topical medication |
Oct. 27, 1998 |
| 5788677 |
Pre-filled retractable needle injection ampoules |
Aug. 4, 1998 |
| 5772665 |
Device for mixing a pharmaceutical composition with an other agent |
Jun. 30, 1998 |
| 5639851 |
High strength, melt processable, lactide-rich, poly(lactide-CO-P-dioxanone) copolymers |
Jun. 17, 1997 |
| 5350366 |
Storage device with positive displacement dispenser by means of egress through a pierced septem |
Sep. 27, 1994 |
| 5324266 |
In-line sampling system incorporating an improved blood sampling device |
Jun. 28, 1994 |
| 5211285 |
Telescoping, pharmaceutical mixing container |
May. 18, 1993 |
| 5207654 |
Storage device with positive displacement dispenser by means of egress through a pierced septum |
May. 4, 1993 |
| 5185408 |
Medical devices fabricated totally or in part from copolymers of recurring units derived from cyclic carbonates and lactides |
Feb. 9, 1993 |
| 5147329 |
Intravenous access devices |
Sep. 15, 1992 |
| 5037399 |
Apparatus for the administration of medications to animals |
Aug. 6, 1991 |
| 5015229 |
Device for dispensing liquids |
May. 14, 1991 |
| 4934379 |
Syringe device for physiological fluid sampling |
Jun. 19, 1990 |
| 4834705 |
Drug dispensing system |
May. 30, 1989 |
| 4813433 |
Syringe for withdrawing blood |
Mar. 21, 1989 |
| 4758218 |
Method and apparatus for guidewire placement of catheters |
Jul. 19, 1988 |
| 4741737 |
Prefilled ampoule-syringe |
May. 3, 1988 |
| 4712715 |
Device for injecting a fixing agent into a drilled hole for anchoring a fastening element inserted in a drilled hole |
Dec. 15, 1987 |
| 4690154 |
Vented syringe |
Sep. 1, 1987 |
| 4657534 |
Dual compartment, disposable, mixing and dispensing container |
Apr. 14, 1987 |
| 4648265 |
Blood sedimentation apparatus |
Mar. 10, 1987 |
| 4619272 |
Instrument for carrying out biopsies on tissues removed from organs to be examined |
Oct. 28, 1986 |
| 4615341 |
Syringe device for physiological fluid sampling |
Oct. 7, 1986 |
| 4609129 |
Device for injecting a fixing agent into a drilled hole for anchoring a fastening element inserted in the drilled hole |
Sep. 2, 1986 |
| 4573969 |
Breast pump |
Mar. 4, 1986 |
| 4472180 |
Apparatus for withdrawing blood from a test tube or the like |
Sep. 18, 1984 |
| 4368731 |
Pistol-type syringe |
Jan. 18, 1983 |
| 4313440 |
Multipurpose double barrel syringe and method of manufacture of same |
Feb. 2, 1982 |
| 4299238 |
Vented piston and push-rod subassembly for use in a syringe barrel |
Nov. 10, 1981 |
| 4259956 |
Certi-seal |
Apr. 7, 1981 |
| 4191225 |
Pharmaceutical cocktail package |
Mar. 4, 1980 |
| 4175704 |
Non-aerosol continuous spray dispenser |
Nov. 27, 1979 |
| 4142668 |
Serum-plasma separator and transfer apparatus |
Mar. 6, 1979 |
| 4050612 |
Dispensing container |
Sep. 27, 1977 |
| 4048997 |
Syringe with actinic radiation protection |
Sep. 20, 1977 |
| 4037464 |
Device for transferring blood or a similar fluid to a pipette |
Jul. 26, 1977 |
| 4020831 |
Blood collecting syringe |
May. 3, 1977 |
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