Catheter and guidewire exchange system
Patent 4988356 Issued on January 29, 1991. Estimated Expiration Date: 
April 25, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
April 25, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References Re31855 3262449 3297030 3550591 3682173 3853130 Nasal gastric tube insertion guide and method Peelable catheter with securing ring and suture sleeve Catheter introducing device, assembly and method Low-profile steerable intraoperative balloon dilitation catheter InventorsApplicationNo. 185796 filed on 04/25/1988US Classes:606/192, Inflatable or expandible by fluid600/434, Catheter guide means600/435, Catheter structure600/585, Flexible catheter guide604/96.01, Having means inflated in body (e.g., inflatable nozzle, dilator, balloon catheter, occluder, etc.)604/160, Having longitudinal groove or slot in piercing conduit to permit removal from body entering conduit606/194Inserted in vascular systemExaminersPrimary: Rosenbaum, C. FredAssistant: Daley, Kathleen A. Attorney, Agent or FirmForeign Patent References
International ClassA61M 029/00AbstractA catheter and guidewire exchange system in which the guideware is contained within a guidewire leumen in the indwelling portion of the catheter and with the guidewire and catheter being separated externally of the patient. The catheter includes a guidewire lumen which is slit longitudinally along the length of the catheter. The guide member is carried by the catheter and serves to spread the slit of the lumen to guide the guidewire into or out of the slit guidewire lumen. The guide member may be advanced along the catheter and guidewire in zipper-like fashion so that the proximal ends of the guidewire and catheter will be separated while the distal portions will be merged.Field of SearchHaving means for preventing reuse of deviceHaving means for indicating device is defective , used, or tampered with Having longitudinal groove or slot in piercing conduit to permit removal from body entering conduit Piercing conduit longitudinally separable for removal from body entering conduit Inflatable or expandible by fluid Inserted in female reproductive system Inserted in vascular system Detachable from inflation means Nose or throat Rectal or anal | |
