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Class Information
Number: 604/38
Name: Surgery > Means for introducing or removing material from body for therapeutic purposes (e.g., medicating, irrigating, aspirating, etc.) > Material introduced into and removed from body through passage in body inserted means > Means moved by person to introduce and remove material > Piston
Description: Subject matter wherein the means is a ram or plunger which is reciprocated back and forth to alternately force in and withdraw the body treating material to and from the body.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7530976 |
Fluid exchange system for controlled and localized irrigation and aspiration |
May. 12, 2009 |
| 7481764 |
Self-advancing device |
Jan. 27, 2009 |
| 7452344 |
Platelet concentration syringe kit |
Nov. 18, 2008 |
| 7363072 |
Method and apparatus to remove substances from vessels of the heart and other parts of the body to minimize or avoid renal or other harm or dysfunction |
Apr. 22, 2008 |
| 7297132 |
Shape memory shutter device |
Nov. 20, 2007 |
| 7087037 |
Syringe |
Aug. 8, 2006 |
| 6878128 |
Fluid exchange system for controlled and localized irrigation and aspiration |
Apr. 12, 2005 |
| 6827701 |
Fluid exchange system for controlled and localized irrigation and aspiration |
Dec. 7, 2004 |
| 6494896 |
Applicator for laparoscopic or endoscopic surgery |
Dec. 17, 2002 |
| 6458094 |
Disposable tip for body cavity irrigation system |
Oct. 1, 2002 |
| 6436143 |
Method and apparatus for treating intervertebral disks |
Aug. 20, 2002 |
| 6368300 |
Apparatus for applying a hemostatic agent onto a tissue |
Apr. 9, 2002 |
| 6027471 |
Apparatus for applying a hemostatic agent onto a tissue |
Feb. 22, 2000 |
| 6020196 |
Devices for harvesting and homogenizing adipose tissue containing autologous endothelial cells |
Feb. 1, 2000 |
| 5964728 |
Synchronous vitreous lavage device for ophthalmology and an ophthalmologic lavaging system using the same |
Oct. 12, 1999 |
| 5957883 |
Synchronous vitreous lavage device for ophthalmology and an ophthalmologic lavaging system using the same |
Sep. 28, 1999 |
| 5929147 |
Embrittlement-resistant polyolefin composition and flexible articles therefrom |
Jul. 27, 1999 |
| 5891052 |
Diagnostic syringe actuator device |
Apr. 6, 1999 |
| 5531672 |
Blood aspiration assembly components and blunt needle aspirators |
Jul. 2, 1996 |
| 5527275 |
Automated ear cleansing device |
Jun. 18, 1996 |
| 5498237 |
Squeeze-actuated medicinal fluid applicator |
Mar. 12, 1996 |
| 5464022 |
Endometrial sampler |
Nov. 7, 1995 |
| 5447494 |
Composite irrigation and suction probe |
Sep. 5, 1995 |
| 5409465 |
Impression syringe |
Apr. 25, 1995 |
| 5374401 |
Blood sampling apparatus |
Dec. 20, 1994 |
| 5338294 |
Urological evacuator |
Aug. 16, 1994 |
| 5309899 |
Automated ear cleansing device |
May. 10, 1994 |
| 5297980 |
Suctioning and pumping toy for malleable play materials |
Mar. 29, 1994 |
| 5279550 |
Orthopedic autotransfusion system |
Jan. 18, 1994 |
| 5273751 |
Composition for preventing clouding of paosterior capsule after extracapsular cataract eye surgery and method of performing cataract surgery |
Dec. 28, 1993 |
| 5254086 |
Medical lavage apparatus and methods |
Oct. 19, 1993 |
| 5170779 |
Automated ear cleansing device |
Dec. 15, 1992 |
| 5163926 |
Suction metering and mixing device |
Nov. 17, 1992 |
| 5147293 |
Apparatus for liquid flushing of body cavities and/or supplying active substance to such cavities |
Sep. 15, 1992 |
| 5069224 |
Endometrial aspirator |
Dec. 3, 1991 |
| 5013295 |
Syringe for use in cataract surgery |
May. 7, 1991 |
| 4842581 |
Medical lavage apparatus |
Jun. 27, 1989 |
| 4818600 |
Latex coated breathable barrier |
Apr. 4, 1989 |
| 4784637 |
Aseptic irrigation syringe |
Nov. 15, 1988 |
| 4776840 |
Hand-held medical evacuator and irrigation device |
Oct. 11, 1988 |
| 4729764 |
Irrigator and tissue separator |
Mar. 8, 1988 |
| 4709705 |
Lavage device for obtaining a fluid specimen from a body cavity for disease diagnosis |
Dec. 1, 1987 |
| 4662868 |
Syringe apparatus and valve employed therein |
May. 5, 1987 |
| 4486188 |
Bone marrow transplant method and apparatus |
Dec. 4, 1984 |
| 4457755 |
Surgical `in-line` evacuator |
Jul. 3, 1984 |
| 4381773 |
Method and nozzle for nasal vaccination of immature mammals |
May. 3, 1983 |
| 4315513 |
Gastrostomy and other percutaneous transport tubes |
Feb. 16, 1982 |
| 4301811 |
Cystometry system |
Nov. 24, 1981 |
| 4082095 |
Stomach pump |
Apr. 4, 1978 |
| 4054137 |
Irrigator for body cavities |
Oct. 18, 1977 |
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