Urethral catheter capable of preventing urinary tract infection and process for producing the same
Patent 4642104 Issued on February 10, 1987. Estimated Expiration Date: 
June 14, 2005. 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.
June 14, 2005. 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 3566874 Catheterization Antimicrobial polymer compositions Patent #: 4479795 InventorsAssigneeApplicationNo. 06/734726 filed on 06/14/1985US Classes:604/264, Body inserted tubular conduit structure (e.g., needles, cannulas, nozzles, trocars, catheters, etc.)428/36.91, Multilayer (continuous layer)604/265With body soluble, antibactericidal or lubricating materials on conduitExaminersPrimary: Rosenbaum, C. FredAssistant: Smith, Jerome R. Jr. Attorney, Agent or FirmInternational ClassesA61L 29/16 (20060101)A61L 29/00 (20060101) Foreign Application Priority Data1981-05-27 JPAbstractA urethral catheter composed of olefin polymer, diene polymer or silicone polymer as a base material wherein an antimicrobial substance being chemically bonded with the inside wall and/or the outside wall thereof, and a process for producing the same. This urethral catheter effectively prevents urinary tract infection for a long period of time.Other References
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