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Class Information
Number: 604/184
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 > Material expelled from reservoir having separate external feed means and discharge outlet > Material fed to reservoir through hollow piston
Description: Subject matter wherein the material is introduced into the reservoir through a passageway in a piston connected to the external material source.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6558356 |
Medical device for flow augmentation in patients with occlusive cerebrovascular disease and methods of use |
May. 6, 2003 |
| 6428555 |
Anastomosis punch device and method |
Aug. 6, 2002 |
| 6086561 |
Fluid delivery apparatus with reservoir fill assembly |
Jul. 11, 2000 |
| 5879336 |
Device for injecting a liquid |
Mar. 9, 1999 |
| 5749968 |
Device for priming for improved adherence of gels to substrates |
May. 12, 1998 |
| 5529189 |
Syringe assembly for quantitative measurement of radioactive injectate and kit having same |
Jun. 25, 1996 |
| 5324266 |
In-line sampling system incorporating an improved blood sampling device |
Jun. 28, 1994 |
| 5188610 |
Fluid dispensing apparatus |
Feb. 23, 1993 |
| 5139488 |
Drenching gun |
Aug. 18, 1992 |
| 5037399 |
Apparatus for the administration of medications to animals |
Aug. 6, 1991 |
| 5015229 |
Device for dispensing liquids |
May. 14, 1991 |
| 4957637 |
Serum separator system for centrifuge with piercable membrane |
Sep. 18, 1990 |
| 4772271 |
Prefilled syringe |
Sep. 20, 1988 |
| 4758218 |
Method and apparatus for guidewire placement of catheters |
Jul. 19, 1988 |
| 4747834 |
Back-fill syringe |
May. 31, 1988 |
| 4715853 |
Back-fill syringe |
Dec. 29, 1987 |
| 4700872 |
Dispensing pump for syringe |
Oct. 20, 1987 |
| 4676781 |
Injector |
Jun. 30, 1987 |
| 4657534 |
Dual compartment, disposable, mixing and dispensing container |
Apr. 14, 1987 |
| 4655749 |
Angioplasty pressure controller |
Apr. 7, 1987 |
| 4643200 |
Safety blood donor apparatus |
Feb. 17, 1987 |
| 4583970 |
Milk suction device |
Apr. 22, 1986 |
| 4530695 |
Injector |
Jul. 23, 1985 |
| 4457755 |
Surgical `in-line` evacuator |
Jul. 3, 1984 |
| 4261359 |
Continuous injection syringe for veterinary use |
Apr. 14, 1981 |
| 4257426 |
Vacuum assisted anti-coagulant syringe device for taking blood samples |
Mar. 24, 1981 |
| 4186741 |
Automatic injecting gun for remote controlled vaccination of cattle, pigs, and animals in general |
Feb. 5, 1980 |
| 4153186 |
Valve and medicant dispensing syringe |
May. 8, 1979 |
| 4050612 |
Dispensing container |
Sep. 27, 1977 |
| 4020838 |
Animal dosing syringe |
May. 3, 1977 |
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