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Class Information
Number: 604/134
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 > Treating material forced into or out of body by self-acting fluid pressure, motor-driven, or mechanical energy storing means (e.g., pressure infusion or aspiration, etc.) > Material impelled by spring
Description: Subject matter wherein the material is moved into or out of the body of force exerted by a elastic body which recovers its original shape when released after being distorted.


Sub-classes under this class:

Class Number Class Name Patents
604/136 Material conduit forced into body by spring 93
604/135 Spring drives piston 190


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7618393 Needle-less injector and method of fluid delivery Nov. 17, 2009
7592740 Miniature drug delivery pump with a piezoelectric drive system Sep. 22, 2009
7470253 Fluid delivery apparatus with adjustable flow rate control Dec. 30, 2008
7425204 Needleless injector Sep. 16, 2008
7377907 Insulin pump May. 27, 2008
7303549 Transcutaneous fluid delivery system Dec. 4, 2007
7250037 Patch-like infusion device Jul. 31, 2007
7232423 Infusion pump system, an infusion pump unit and an infusion pump Jun. 19, 2007
7220244 Infusion apparatus with constant force spring energy source May. 22, 2007
7220245 Infusion apparatus May. 22, 2007
7214221 Multi-stage fluid delivery device and method May. 8, 2007
7156838 Intradermal delivery device Jan. 2, 2007
7066909 Propelling device for a piston in a container containing a liquid medicament Jun. 27, 2006
6960192 Transcutaneous fluid delivery system Nov. 1, 2005
6939323 Needleless injector Sep. 6, 2005
6837876 Device for administering an injectable product in doses Jan. 4, 2005
6805686 Autoinjector with extendable needle protector shroud Oct. 19, 2004
6736796 Fluid drug delivery device May. 18, 2004
6607508 Vial injector device Aug. 19, 2003
6544234 Injection device Apr. 8, 2003
6339718 Programmable injector control Jan. 15, 2002
6251098 Fluid container for use with platen pump Jun. 26, 2001
6221044 Automatic injection device Apr. 24, 2001
6213981 Self-administration device for liquid medicines Apr. 10, 2001
6159181 Injection device Dec. 12, 2000
6149626 Automatic injecting syringe apparatus Nov. 21, 2000
6135979 Spring-powered dispensing device for medical purposes Oct. 24, 2000
6123684 Loading mechanism for medical injector assembly Sep. 26, 2000
6099503 Reloadable auto-injector Aug. 8, 2000
6093172 Injector for a subcutaneous insertion set Jul. 25, 2000
6066116 Adjustable intravenous injection aid May. 23, 2000
6056716 Hypodermic fluid dispenser May. 2, 2000
6027491 Self-administration device for liquid drugs Feb. 22, 2000
5989214 Apparatus for injecting a rigid carrier Nov. 23, 1999
5957895 Low-profile automatic injection device with self-emptying reservoir Sep. 28, 1999
5944693 Syringe assembly and associated syringe biasing device Aug. 31, 1999
5865804 Rotary cam syringe Feb. 2, 1999
5851197 Injector for a subcutaneous infusion set Dec. 22, 1998
5843036 Non-dosing cartridge for an injection device Dec. 1, 1998
5807320 Bottle squeezing method Sep. 15, 1998
5788673 Drug infusion system Aug. 4, 1998
5779677 Automatic drug injector Jul. 14, 1998
5743878 Infusion pump, treatment fluid bag therefor, and method for the use thereof Apr. 28, 1998
5735824 Device for metering and administering a liquid preparation Apr. 7, 1998
5722956 Multi-dose syringe driver Mar. 3, 1998
5665070 Infusion pump with magnetic bag compression Sep. 9, 1997
5665071 Reloadable automatic or manual emergency injection system Sep. 9, 1997
5643214 Injection devices Jul. 1, 1997
5607418 Implantable drug delivery apparatus Mar. 4, 1997
5599309 Injection devices Feb. 4, 1997

1 2


 
 
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