Quotables
"For a list of all the ways technology has failed to improve the quality of life, please press three."
Alice Kahn
PatentStorm News
Make the Most of PatentStorm
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest patents by subscribing to an RSS feed.
Got questions? Ask a Patent Expert!
Registered users: Manage your profile, comments and alerts.
US Patent 4579554 - Indwelling urinary catheter
US Patent Issued on April 1, 1986
Estimated Patent Expiration Date:
January 30, 2004Estimated 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.
Estimated Patent Expiration Date:
January 30, 2004Estimated 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.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. | InventorApplicationNo. 06/575034 filed on 01/30/1984US Classes:604/103.08Particular surface characteristics (e.g., rib, groove, corrugation, etc.)Field of Search604/43, Body inserted conduit with separate ingress and egress passages604/44, Having body piercing means604/45, Having air or gas venting passage604/105Expanding bowExaminersPrimary: Rosenbaum, C. FredAssistant: Kartchner, Gene B. Attorney, Agent or FirmUS Patent References2257369, 3394705, 3815608, 3821956, 4445897, Catheter for postsurgical drainageIssued on: 05/01/1984 Inventor: Ekbladh , et al.4501580Indwelling catheters Issued on: 02/26/1985 Inventor: Glassman International ClassA61M 25/00 (20060101) |
