Catheter with inflation control device
CA 1102651 A · Owner: Kendall Company (The) · Inventors: Shah, Nayan S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A catheter comprising an elongated shaft, an inflat-, able balloon secured to the shaft and an inflation lumen extend-, ing along the shaft and communicating with the balloon. The catheter has valve means communicating with the inflation lumen with the valve means being normally closed and being openable to pump fluid into the inflation lumen for inflating the balloon. The catheter also has vent means communicating with the inflation lumen, with the vent means being normally closed and opening responsive to closure of the valve means and a pressure in the balloon above a predetermined amount such that the vent, means relieves pressure in the balloon above the predetermined amount after …
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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 June 9, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 9, 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.