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Class Information
Number: 604/264
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 inserted tubular conduit structure (e.g., needles, cannulas, nozzles, trocars, catheters, etc.)
Description: Subject matter wherein significance is attributed to the structure of an elongated , hollow tube, per se, which inserted within the body and is utilized solely to introduce body treating material into or remove material from the body during surgical procedures.










Sub-classes under this class:

Class Number Class Name Patents
604/272 Body piercing condit (e.g., needle, etc.) 618
604/523 Flexible catheter or means (e.g., coupling) used therewith 1,427
604/271 Having evaginating or invaginating capability 79
604/270 Having weighted tip means on conduit promoting advance thereof through alimentary tract 85
604/275 Nozzle insertable into body orifice 204
604/266 With anticlogging means on conduit (e.g., anticlotting, decalcification, tissue occulsion, etc.) 190
604/265 With body soluble, antibactericidal or lubricating materials on conduit 624


Patents under this class:
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Patent Number Title Of Patent Date Issued
6315770 Laparoscopic access port for surgical instruments or the hand Nov. 13, 2001
6312407 Occlusion of a vessel Nov. 6, 2001
6312414 Blood-gas separation device Nov. 6, 2001
6309382 Method and apparatus for minimizing the risk of air embolism when performing a procedure in a patient's thoracic cavity Oct. 30, 2001
6303200 Low modulus and autoclavable monolayer medical tubing Oct. 16, 2001
6296632 Ball-shaped fiber implant, and method and device for inserting the implant Oct. 2, 2001
6293925 Insertion device for an insertion set and method of using the same Sep. 25, 2001
6293927 Stationary central tunnel dialysis catheter with optional separable sheath Sep. 25, 2001
6293958 Catheter having flow diffusing tip Sep. 25, 2001
6290689 Catheter devices and methods for their use in the treatment of calcified vascular occlusions Sep. 18, 2001
6290692 Catheter support structure Sep. 18, 2001
6287285 Therapeutic, diagnostic, or hydrophilic coating for an intracorporeal medical device Sep. 11, 2001
6283947 Local drug delivery injection catheter Sep. 4, 2001
6283950 Occluding wire assembly Sep. 4, 2001
6280415 Tissue traction device Aug. 28, 2001
6280423 High flow rate dialysis catheters and related methods Aug. 28, 2001
6280432 Clip-on access port and methods of use Aug. 28, 2001
6280434 Angiographic catheter Aug. 28, 2001
6280545 Method of forming balloon catheter Aug. 28, 2001
6280788 Method and a system for manufacturing a catheter and a catheter manufactured by that method Aug. 28, 2001
6276661 Pressure actuated introducer valve Aug. 21, 2001
6273875 Medical devices having improved antimicrobial/antithrombogenic properties Aug. 14, 2001
6273876 Catheter segments having circumferential supports with axial projection Aug. 14, 2001
6273877 Epidural needle with secondary bevel Aug. 14, 2001
6270484 Safety penetrating instrument with expandible portion and method of penetrating anatomical cavity Aug. 7, 2001
6267750 Set with angled needle Jul. 31, 2001
6261263 Hub of arterial puncture needle Jul. 17, 2001
6261304 Delivery methods for left ventricular conduit Jul. 17, 2001
6258061 Thrombectomy and tissue removal device Jul. 10, 2001
6258070 Device for delivering biological agents Jul. 10, 2001
6254564 Left ventricular conduit with blood vessel graft Jul. 3, 2001
6254578 Aortic cannula with tapered tip Jul. 3, 2001
6251079 Transthoracic drug delivery device Jun. 26, 2001
6251104 Guiding catheter system for ablating heart tissue Jun. 26, 2001
6248099 Disposable tracheostomy inner cannula connector Jun. 19, 2001
6245044 Variable extension combined spinal/epidural needle set and method for its use Jun. 12, 2001
6245053 Soft tip guiding catheter and method of fabrication Jun. 12, 2001
6241710 Hypodermic needle with weeping tip and method of use Jun. 5, 2001
6238376 Bonding a polymer member to a metallic member May. 29, 2001
6235007 Atraumatic fluid delivery devices May. 22, 2001
6235008 Nozzle May. 22, 2001
6231613 Methods for soft tissue augmentation in mammals May. 15, 2001
6228049 Surgical and pharmaceutical site access guide and methods May. 8, 2001
6228061 Trocar seal system having dual seals May. 8, 2001
6228068 Expandable endoscopic portal and methods therefor May. 8, 2001
6224569 Compact needle point shield May. 1, 2001
6224586 Positioning device May. 1, 2001
6221059 Flow-directed catheter system and method of use Apr. 24, 2001
6221060 Urethral device with anchoring system Apr. 24, 2001
RE37148 Guidewire tip construction Apr. 24, 2001

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