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Class Information
Number: 604/183
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
Description: Subject matter wherein the material is introduced from a source into an external reservoir and is thereafter ejected from the reservoir through a separate outlet.










Sub-classes under this class:

Class Number Class Name Patents
604/184 Material fed to reservoir through hollow piston 38
604/186 Means for metering material flow to or from body 75
604/185 Reservoir squeezed to expel material therefrom 76


Patents under this class:
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Patent Number Title Of Patent Date Issued
8538515 Internal medical devices for delivery of therapeutic agent in conjunction with a source of electrical power Sep. 17, 2013
8419722 Apparatus and method for injection of fibrin sealant in spinal applications Apr. 16, 2013
8372032 Telescoping perfusion management system Feb. 12, 2013
8361013 Telescoping perfusion management system Jan. 29, 2013
8361014 Telescoping perfusion management system Jan. 29, 2013
8273061 Reservoir connector Sep. 25, 2012
7762993 Catheter syringe conveyor with a needle guard housing Jul. 27, 2010
7753890 Multiple drug injection apparatus Jul. 13, 2010
7749187 Needleless injection device and cartridges Jul. 6, 2010
7678080 Intravenous catheter introducing device Mar. 16, 2010
7628772 Reservoir connector Dec. 8, 2009
7144382 Device for treating a fluid-like sample such as a whole blood, with treatment fluid, use of such a device and kit containing such a device Dec. 5, 2006
6994693 Tunneler-needle combination for tunneled catheter placement Feb. 7, 2006
6989000 Syringe, in particular for veterinary applications Jan. 24, 2006
6786244 Apparatus and method to enhance reservoir utilization in a medical infusion device Sep. 7, 2004
6641565 drug delivery systems and methods Nov. 4, 2003
6610042 Disposable unit-dose jet-injection syringe for pre-filled and/or transfilled liquid injectable medical drug or vaccine products and method thereof Aug. 26, 2003
6585695 Reservoir connector Jul. 1, 2003
RE38074 Contrast medium delivery system and associated method Apr. 8, 2003
6539248 Dye management system including an administration set with an in line burette Mar. 25, 2003
6508791 Infusion device cartridge Jan. 21, 2003
6364170 Fluid dispenser apparatus Apr. 2, 2002
6315762 Contrast medium delivery system and associated method Nov. 13, 2001
6290677 Medicinal liquid injection port Sep. 18, 2001
6283944 Infusion systems with patient-controlled dosage features Sep. 4, 2001
6264636 Flushing device Jul. 24, 2001
6253961 Fluid dispenser apparatus Jul. 3, 2001
6245056 Safe intravenous infusion port injectors Jun. 12, 2001
6235002 Syringe for use in fluid-handling apparatus May. 22, 2001
6213980 Fill facilitating unit dose injection cartridge and filling method Apr. 10, 2001
6071264 Animal feeding/medicating apparatus Jun. 6, 2000
6056727 Apparatus for patient-controlled infusion May. 2, 2000
6010485 Working cylinder Jan. 4, 2000
5968017 Pulse fluid infusion systems Oct. 19, 1999
5934510 Fluid dispenser apparatus Aug. 10, 1999
5935111 Applicator Aug. 10, 1999
5911708 Method and apparatus for uninterrupted delivery of radiographic dye Jun. 15, 1999
5865811 Multi-dose applicator with quick bottle attachment mechanism Feb. 2, 1999
5807340 Self refilling I.V. syringe Sep. 15, 1998
5779666 Method and apparatus for uninterrupted delivery of radiographic dye Jul. 14, 1998
5755780 Implantable vascular device May. 26, 1998
5749968 Device for priming for improved adherence of gels to substrates May. 12, 1998
5743872 Limited backflow reflux valve and method Apr. 28, 1998
5713863 Catheter with fluid medication injectors Feb. 3, 1998
5713859 Implantable vascular device Feb. 3, 1998
5685851 Irrigation syringe Nov. 11, 1997
5665074 Limited backflow reflux valve Sep. 9, 1997
5569208 System for managing delivery of contrast media Oct. 29, 1996
5562617 Implantable vascular device Oct. 8, 1996
5533978 Method and apparatus for uninterrupted delivery of radiographic dye Jul. 9, 1996

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