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 > Body piercer, obturator rod, or stylet axially movable within body entering conduit while latter is disposed in body > Patents

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Class Information
Number: 604/164.01
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 > Body piercer, obturator rod, or stylet axially movable within body entering conduit while latter is disposed in body
Description: Subject matter wherein the tubular conduit is mounted around a stiffening support element which is slidable removable from the conduit.

Sub-classes under this class:

Class Number	Class Name	Patents
604/164.13	Guidewire within flexible body entering conduit	170
604/164.09	Having additional body entering conduit	73
604/164.12	Having biasing means for urging body piercer, obturator, or stylet	128
604/170.01	Having blunt tip on stiffening element or elongated rod	82
604/164.08	Having cover or protector for body entering conduit	196
604/170.03	Having curved portion	75
604/167.01	Having flow closure means for conduit	123
604/164.07	Having friction means on hub portion for frictionally engaging with hub portion of body entering conduit	56
604/166.01	Having groove or reduced portion on piercer, obturator rod, or stylet for receiving distal end of conduit	25
604/164.03	Having means for expanding portion of body entering conduit	38
604/164.05	Having means on body entering conduit to facilitate longitudinal tearing of conduit	99
604/164.04	Having means on conduit or conduit hub for securing conduit to body	70
604/165.01	Having means preventing relative movement between elements during their insertion into body	81
604/164.02	Having portion cooperating with body entering conduit lumen to provide flow control means	58
604/164.06	Having tapered portion to provide cutting tip	76
604/168.01	Having telltale for showing entry of blood into conduit	85

Patents under this class:

1 2 3 4 5 6 7 8 9

Patent Number	Title Of Patent	Date Issued
7618399	Pneumoperitoneum needle	Nov. 17, 2009
7594895	Micro perfusion device comprising a collecting container	Sep. 29, 2009
7588557	Medical instrument for fluid injection and related method	Sep. 15, 2009
7585287	Device and method for insertion of a cannula of an infusion device	Sep. 8, 2009
7575563	Blood treatment catheter assembly	Aug. 18, 2009
7569033	Safety intravenous catheter assembly	Aug. 4, 2009
7556617	Catheter safety needle	Jul. 7, 2009
7544184	Bloodless percutaneous insertion system	Jun. 9, 2009
7544183	Elongated medical device with functional distal end	Jun. 9, 2009
7497844	System and method for positioning implantable medical devices within coronary veins	Mar. 3, 2009
7494478	Catheter assembly	Feb. 24, 2009
7494481	Multi-position infusion set device and process	Feb. 24, 2009
7488305	Catheter device and method for delivering a dose internally during minimally-invasive surgery	Feb. 10, 2009
7481793	Modular steerable sheath catheters	Jan. 27, 2009
7462167	Catheter sheath slitter and method of use	Dec. 9, 2008
7458940	Biopsy apparatus	Dec. 2, 2008
7449011	Apparatus and method for providing percutaneous access and medicament to a target surgical site	Nov. 11, 2008
7438702	Multi-seal trocar system	Oct. 21, 2008
7427287	Medical device introducer and obturator and methods of use	Sep. 23, 2008
7416547	Injection catheter	Aug. 26, 2008
7413559	Gas flow trocar arrangement	Aug. 19, 2008
7407491	Infusion set	Aug. 5, 2008
7381200	Infusion device	Jun. 3, 2008
7377908	Insertion device for inserting an injection needle	May. 27, 2008
7374554	Safety spring catheter introducer assembly	May. 20, 2008
7367960	Trocar system and method of use	May. 6, 2008
7344518	Apparatus for delivering ablation fluid to treat lesions	Mar. 18, 2008
7341573	Safety shield for medical needles	Mar. 11, 2008
7338473	Pneumoseal trocar arrangement	Mar. 4, 2008
7331939	Infusion set	Feb. 19, 2008
7329233	Surgical system for laparoscopic surgery	Feb. 12, 2008
7329242	Trocar for inserting implants	Feb. 12, 2008
7322962	Device and method for treatment of intervertebral disc disruption	Jan. 29, 2008
7318817	Minimal access lumbar diskectomy instrumentation and method	Jan. 15, 2008
7314463	Infusion set	Jan. 1, 2008
7311694	Infusion set	Dec. 25, 2007
7309326	Infusion set	Dec. 18, 2007
7306611	Device for delivering a biomaterial	Dec. 11, 2007
7300419	Infusion set	Nov. 27, 2007
7297138	Infusion set	Nov. 20, 2007
7291129	Apparatus and methods for treating female urinary incontinence	Nov. 6, 2007
7285112	Gas flow trocar arrangement	Oct. 23, 2007
7270649	Intravenous catheter device	Sep. 18, 2007
7226433	Thrombectomy catheter device having a self-sealing hemostasis valve	Jun. 5, 2007
7211067	Elongated medical device with functional distal end	May. 1, 2007
7195608	Implantable fluid management system for the removal of excess fluid	Mar. 27, 2007
7186238	Apparatus and method for the insertion of a medical device	Mar. 6, 2007
7182752	Continuous gas flow trocar assembly	Feb. 27, 2007
7172576	Medicinal-liquid injection apparatus	Feb. 6, 2007
7147622	I.V. catheter assembly with blood exposure prevention	Dec. 12, 2006