Intraintestinal bypass graft
CA 1254702 A · Owner: Pfizer Hospital Products Group, Inc. · Inventors: Sloane, Thomas E. Jr.; Ravo, Biagio; Regan, Christine L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved intraintestinal bypass graft for attachment in the lumen of a resectioned intestine or duct upstream of the anastomosis site in order to protect the healing anastomosis comprises an elongated tube formed of a thin highly flexible, water-impervious wall material terminating at its distal end in a short, reduced diameter nipple. The surgical procedure for implanting the bypass graft can be simplified and shortened in time by readily fitting the distal nipple over one end of an elongated pliable leader, or alternatively over the terminal anvil nut of a circular anastomosis surgical stapler and then drawing, the leader or stapler body through the patient's anus to pull the distal …
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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 30, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 30, 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.