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Class Information
Number: 604/236
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 flow controlled by valve or movable closure (e.g., plug in orifice, etc.)
Description: Subject matter including a valve or movable closure which is positioned in the syringe and which either controls the rate of flow of material to or from the body or prevents any flow until desired.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7618401 |
Device for injecting a product, in particular for medical use |
Nov. 17, 2009 |
| 7581559 |
Check valve for a fluid administration system |
Sep. 1, 2009 |
| 7571750 |
Tool for transferring controlled amounts of fluid into and from a fluid flow circuit |
Aug. 11, 2009 |
| 7491192 |
Cardiovascular access catheter with slit valve |
Feb. 17, 2009 |
| 7488308 |
Injector with bypass channel |
Feb. 10, 2009 |
| 7470253 |
Fluid delivery apparatus with adjustable flow rate control |
Dec. 30, 2008 |
| 7452344 |
Platelet concentration syringe kit |
Nov. 18, 2008 |
| 7361164 |
Multi-outlet medical dispensing device |
Apr. 22, 2008 |
| 7347828 |
Suction adapter for medical instrument |
Mar. 25, 2008 |
| 7169134 |
Apparatus with rotatable valve syringe |
Jan. 30, 2007 |
| 7037303 |
Urinary flow control valve |
May. 2, 2006 |
| 6926707 |
Instrument including connector for facilitating connection onto a guidewire without access to the ends of the guide-wire and method of use |
Aug. 9, 2005 |
| 6846301 |
Disposable safety syringe |
Jan. 25, 2005 |
| 6796966 |
Apparatus, and kits for preventing of alleviating vasoconstriction or vasospasm in a mammal |
Sep. 28, 2004 |
| 6796972 |
Catheter anchoring balloon structure with irrigation |
Sep. 28, 2004 |
| 6749833 |
Design and planning system for improving the survival rate of injected structures |
Jun. 15, 2004 |
| 6740060 |
Gasket for bypass type prefilled syringe |
May. 25, 2004 |
| 6723075 |
Medical fluid infusion and aspiration |
Apr. 20, 2004 |
| 6716187 |
Platelet concentration syringe kit |
Apr. 6, 2004 |
| 6712784 |
Drug delivery device with a flexible grating to hinder unforced removal of a drug in solid form from an insert tube |
Mar. 30, 2004 |
| 6645170 |
Simplified disposable needle-free injection apparatus and method |
Nov. 11, 2003 |
| 6592557 |
Partial aortic occlusion devices and methods for cerebral perfusion augmentation |
Jul. 15, 2003 |
| 6569151 |
Device for connecting a catheter or other tubular member onto a guide-wire without access to the ends of the guide-wire |
May. 27, 2003 |
| 6514231 |
Disposable syringe with single variable volume chamber |
Feb. 4, 2003 |
| 6508792 |
Discoid and elastic valve to produce a hermetic closure inside pre-filled syringes |
Jan. 21, 2003 |
| 6475193 |
Continuous injecting apparatus |
Nov. 5, 2002 |
| 6436077 |
Medical fluid infusion and aspiration |
Aug. 20, 2002 |
| 6432090 |
Disposable injection device designed to be pre-filled |
Aug. 13, 2002 |
| 6383168 |
Needleless syringe with prefilled cartridge |
May. 7, 2002 |
| 6379328 |
Disposable syringe |
Apr. 30, 2002 |
| 6231551 |
Partial aortic occlusion devices and methods for cerebral perfusion augmentation |
May. 15, 2001 |
| 6210375 |
Needle retraction mechanism with controlled retraction speed |
Apr. 3, 2001 |
| 6179815 |
Low compliance inflation/deflation system |
Jan. 30, 2001 |
| 6179806 |
Self-occluding catheter |
Jan. 30, 2001 |
| 6132395 |
Needleless syringe with prefilled cartridge |
Oct. 17, 2000 |
| 6120483 |
Medical fluid infusion and aspiration |
Sep. 19, 2000 |
| 6086559 |
Method and device for pressure-controlled handling of a fluid, in particular for medical purposes |
Jul. 11, 2000 |
| 6083002 |
Cartridge for dispensing liquid compositions |
Jul. 4, 2000 |
| 6080461 |
Viscoelastic memory means and flow control valve and use thereof to produce a single-use, auto-destruct injection device |
Jun. 27, 2000 |
| 5944698 |
Adjustable flow syringe |
Aug. 31, 1999 |
| 5928203 |
Medical fluid infusion and aspiration |
Jul. 27, 1999 |
| 5908409 |
Tubing plug |
Jun. 1, 1999 |
| 5897533 |
Catheter flow and lateral movement controller |
Apr. 27, 1999 |
| 5893842 |
Syringe needle isolation device |
Apr. 13, 1999 |
| 5879336 |
Device for injecting a liquid |
Mar. 9, 1999 |
| 5827235 |
Method and apparatus used to apply topical medication |
Oct. 27, 1998 |
| 5827234 |
Device for administering implants |
Oct. 27, 1998 |
| 5772665 |
Device for mixing a pharmaceutical composition with an other agent |
Jun. 30, 1998 |
| 5716346 |
Method and apparatus for loading syringes without the need for hypodermic needles |
Feb. 10, 1998 |
| 5695465 |
Syringe containing drug to be injected |
Dec. 9, 1997 |
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