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Class Information
Number: 604/135
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 > Spring drives piston
Description: Subject matter wherein material is forced into or out of the body by means of a spring driven piston.










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8684969 Injection device with torsion spring and rotatable display Apr. 1, 2014
8679061 Automatic injection device Mar. 25, 2014
8679060 Infusion pump system Mar. 25, 2014
8668670 Automatic injection devices Mar. 11, 2014
8647299 Autoinjector supporting the syringe at the front Feb. 11, 2014
8641669 Electromechanical injection apparatus Feb. 4, 2014
8632504 Drug container and delivery mechanism Jan. 21, 2014
8617109 Device for delivering medicament Dec. 31, 2013
8608642 Methods and devices for treating morbid obesity using hydrogel Dec. 17, 2013
8597245 Medical injector with coupled body portions Dec. 3, 2013
8597244 Infusion pump system, an infusion pump unit and an infusion pump Dec. 3, 2013
8591463 Re-useable injector device for syringe Nov. 26, 2013
8579868 Medical delivery system with flexible blocking element Nov. 12, 2013
8568359 Autoinjector Oct. 29, 2013
8568358 Device for automatic delivery of successive doses of product Oct. 29, 2013
8562564 Prefilled syringe jet injector Oct. 22, 2013
8529499 Disposable injector with at least one central traction rod Sep. 10, 2013
8529500 Needle-less injector and method of fluid delivery Sep. 10, 2013
8517991 Drive system for use with an insulin delivery device Aug. 27, 2013
8517988 Motor mechanism for a drug delivery device and drug delivery device Aug. 27, 2013
8500682 Medical injector with post-autoreconstitution dose setting and autoplunger drive Aug. 6, 2013
8500693 Autoinjector received in external socket Aug. 6, 2013
8496619 Injection device with cammed ram assembly Jul. 30, 2013
8491531 Electrically actuated injector Jul. 23, 2013
8491530 Autoinjector with trigger positionable in active position by movement of a safety shield and indication of the active position Jul. 23, 2013
8491468 Suction syringe and endoscope apparatus Jul. 23, 2013
8480656 Two part fluid dispenser Jul. 9, 2013
8475408 Infusion pump system Jul. 2, 2013
8475432 Infusion medium delivery system, device and method with needle inserter and needle inserter device and method Jul. 2, 2013
8460245 Device for delivering a medicament Jun. 11, 2013
8449499 Spring driven adjustable oral syringe May. 28, 2013
8435215 Automatic injection device with temporizing means May. 7, 2013
8430847 Infusion pump system Apr. 30, 2013
8425462 Devices, systems, and methods for medicament delivery Apr. 23, 2013
8414533 Medicament delivery device Apr. 9, 2013
8409141 Auto injector with automatic needle retraction Apr. 2, 2013
8409148 Device for the dosed administration of a fluid product, provided with a coupling Apr. 2, 2013
8403834 Automatic return syringe with ventilation paths for air and suction ports Mar. 26, 2013
8403883 Medical injector with dose knob activation for automated reconstitution Mar. 26, 2013
8398594 Spring arrangement in an injection device Mar. 19, 2013
8398593 Brake for injection devices Mar. 19, 2013
8394061 Drug delivery apparatus Mar. 12, 2013
8382713 Drug delivery device and methodology Feb. 26, 2013
8376998 Automatic injection device Feb. 19, 2013
8372039 Infusion pump system Feb. 12, 2013
8372035 Disposable injector with manually actuated piston Feb. 12, 2013
8366668 Autoinjector with audible indication of completed delivery Feb. 5, 2013
8361025 Preservative-free follicle stimulating hormone solution delivery device Jan. 29, 2013
8357125 Autoinjector with deactivating means moveable by a safety shield Jan. 22, 2013
8357120 Injection device with torsion spring and rotatable display Jan. 22, 2013

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