Artificial sphincter
CA 1107906 A · Owner: Kendall Company (The) · Inventors: Perlin, Alfred R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An artificial sphincter for closure of a channel in a patient's body communicating with an opening adjacent the outside of the patient's body. The sphincter comprises a generally, annular member containing a first material for placement around the channel of the patient's body, and a plug having elongated flexible sidewalls of an elastic material for placement within the annular member in the body channel. The plug contains a particulate second material positioned in a region within the annular member when the plug is located in the patient's body. At least one of the first and second materials comprises a permanent magnetic material, while the other of the first and second materials …
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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 September 1, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 1, 1998.
- 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.