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Class Information
Number: 604/228
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 > Specific structure of means coupling piston to piston actuator
Description: Subject matter wherein significance is attributed to the means for connecting an initially separated piston and piston actuator, whereafter the actuator can be operated to impel material to or from the reservoir.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5135511 |
Assembly for aspirating tissue, including adapter for syringe |
Aug. 4, 1992 |
| 5135512 |
Disposable syringe for injections |
Aug. 4, 1992 |
| 5120816 |
Hydrophilic polyurethanes of improved strength |
Jun. 9, 1992 |
| 5112307 |
Dental syringe having a medication filled carpule and an automatically-detaching piston stem |
May. 12, 1992 |
| 5090961 |
Single use syringe |
Feb. 25, 1992 |
| 5090962 |
Non-reusable syringe |
Feb. 25, 1992 |
| 5085638 |
Single use disposable syringe |
Feb. 4, 1992 |
| 5084017 |
Self disabling, single use, hypodermic syringe |
Jan. 28, 1992 |
| 5078686 |
Single-use syringe |
Jan. 7, 1992 |
| 5059179 |
Non-reusable syringe assembly |
Oct. 22, 1991 |
| 5050617 |
Removable handle and means for attachment to a syringe or phlebotomy device |
Sep. 24, 1991 |
| 5047017 |
Syringe |
Sep. 10, 1991 |
| 5032114 |
Syringe |
Jul. 16, 1991 |
| 5007904 |
Plunger for power injector angiographic syringe, and syringe comprising same |
Apr. 16, 1991 |
| 5004460 |
Non-reusable syringe |
Apr. 2, 1991 |
| 5004124 |
Method and apparatus for dispensing a fluid substance |
Apr. 2, 1991 |
| 4973308 |
Injection syringe with mechanism preventing reuse |
Nov. 27, 1990 |
| 4973309 |
Disposable syringe |
Nov. 27, 1990 |
| 4968303 |
Hypodermic syringe holder |
Nov. 6, 1990 |
| 4966585 |
Infusion apparatus |
Oct. 30, 1990 |
| 4950243 |
Syringe for one sole use |
Aug. 21, 1990 |
| 4950240 |
Hypodermic syringe for single use |
Aug. 21, 1990 |
| 4944723 |
Universal disposable safety syringe system |
Jul. 31, 1990 |
| 4931043 |
Ratchet connector for hypodermic syringe pistons |
Jun. 5, 1990 |
| 4923443 |
Single use syringe |
May. 8, 1990 |
| 4915692 |
Non-reusable syringe |
Apr. 10, 1990 |
| 4911695 |
Plunger for power-driven angiographic syringe, and syringe and power injector system utilizing same |
Mar. 27, 1990 |
| 4908020 |
Self-destructive non-reusable injection syringe |
Mar. 13, 1990 |
| 4906231 |
Single-use fillable syringe |
Mar. 6, 1990 |
| 4883466 |
Non-reusable syringe |
Nov. 28, 1989 |
| 4874372 |
Non-reusable syringe |
Oct. 17, 1989 |
| 4869720 |
Hypodermic syringe assembly |
Sep. 26, 1989 |
| 4863072 |
Single hand operable dental composite package |
Sep. 5, 1989 |
| 4863427 |
Syringe for injections, especially intravenous made to be used only once, without any possibilityof re-aspiration |
Sep. 5, 1989 |
| 4852768 |
Dosing syringe |
Aug. 1, 1989 |
| 4850979 |
Holding and handling device of a syringe |
Jul. 25, 1989 |
| 4826484 |
Disease control syringe having a retractable needle |
May. 2, 1989 |
| 4775364 |
Non re-useable disposable hypodermic syringe |
Oct. 4, 1988 |
| 4775363 |
Arrangement in injection syringe for use once only |
Oct. 4, 1988 |
| 4759750 |
Pressure sensing syringe |
Jul. 26, 1988 |
| 4738664 |
Pistol grip syringe |
Apr. 19, 1988 |
| 4711250 |
Hand-held medical syringe actuator device |
Dec. 8, 1987 |
| 4705509 |
Power syringe with volume reducing adapter |
Nov. 10, 1987 |
| 4704105 |
Disposable plastic syringe for medical use and plastic barrel, especially for disposable syringes |
Nov. 3, 1987 |
| 4701165 |
Reusable syringes |
Oct. 20, 1987 |
| 4699614 |
Non-reusable syringe |
Oct. 13, 1987 |
| 4678107 |
Dripless dispenser for liquids and viscous fluids |
Jul. 7, 1987 |
| 4677980 |
Angiographic injector and angiographic syringe for use therewith |
Jul. 7, 1987 |
| 4648872 |
Volumetric pump with replaceable reservoir assembly |
Mar. 10, 1987 |
| 4643198 |
Cap for a tube for extracting blood |
Feb. 17, 1987 |
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