Surgical retractor
CA 1062108 A · Owner: Hurson, James K. · Inventors: Hurson, James K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A surgical aid is disclosed for retaining displaced material in a surgical site in its displaced position. The aid consists of a wire core of aluminum or aluminum alloy or stainless steel and a covering of a suitable elastomer, such as dimethyl polysiloxane polymer organo-metallically bonded, thereto. The aid is malleable non-toxic and compatible with cell metabolism. It can be clamped to a retractor frame fixed relative to a surgical site and has major advantages over the use of sponges towels and other surgical aids, now in use. The aid has a body portion and a handle portion which can be held by an assistant or clamped to the frame allowing the assistant to assume, a more productive role …
Read the whole patent
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 11, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 11, 1996.
- 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.