Indwelling urinary catheter
Patent 4579554 Issued on April 1, 1986. Estimated Expiration Date: 
January 30, 2004. 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.
January 30, 2004. 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 2257369 3394705 3815608 3821956 Catheter for postsurgical drainage Indwelling catheters Patent #: 4501580 InventorApplicationNo. 06/575034 filed on 01/30/1984US Classes:604/103.08Particular surface characteristics (e.g., rib, groove, corrugation, etc.)ExaminersPrimary: Rosenbaum, C. FredAssistant: Kartchner, Gene B. Attorney, Agent or FirmInternational ClassA61M 25/00 (20060101)AbstractAn indwelling urinary catheter that includes a novel arrangement whereby the entire outside penile urethral portion of the catheter tube and substantially the entire length of the surrounding mucos of the penile urethral canal may be periodically irrigated and cleansed of waste, bacterial debris, etc, without periodic withdrawal and cleaning of the catheter form the urethral canal. Means are provided also to facilitate distribution of medicinal jel into the lacuna navicularis area of the urethral canal and to protect the penile catheter junction in order to prevent urethral infection. | |
