Catheter
CA 1308616 C · Owner: Hiramoto, Jun-Ichi · Inventors: Matsumiya, Norifumi; Tsuno, Koichi; Ohkawa, Shin-Ichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
CATHETER, Abstract of the Disclosure:, A catheter adapted to be inserted into a blood vessel comprising a flexible tube-like sheath including a fluid passage therein and a radially expansive and contractive balloon disposed about the peripheral surface of the distal end portion of said sheath and communicating with said fluid passage is disclosed. The catheter is characterized in that a light guide for transmitting illumination light to the leading end of the catheter, an image guide for transmitting an image from the distal end of the catheter and a transparent liquid guide passage opening at the distal end of the catheter are disposed substantially in parallel with each other within the …
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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 October 13, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 13, 2009.
- 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.