Single circuit fluidic sphincter
CA 1253651 A · Owner: Habley Medical Technology Corporation · Inventors: Haber, Terry M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A gastrointestinal sphincter to be surgically implanted around a lumen (e.g. bowel) of a patient to apply variable occlusive pressures for articulating the lumen. The sphincter includes a continence producing occlusion cuff (1) having a hollow, expansible chamber (2) formed therein to embrace the lumen. Communicating in a single, continuous fluid circuit with the expansible chamber are first (6) and second (32) fluid circuits having respective first and second reservoir supplies of fluid (30 and 46) located therein. Each of the reservoir supplies may be selectively actuated in order that fluid will be delivered to the expansible chamber to controllably expand the chamber and thereby produce …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted May 9, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 9, 2006.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.