Surgical blade with adjustable blade guard
CA 1048255 A · Owner: Beaver, John R. · Inventors: Beaver, John R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A surgical knife assembly in which a blade is provided with a guard for limiting the depth of cut. The guard is formed of a resilient material such as plastic and frictionally grips, the blade, so that the guard is adjustable on the blade by the application of a predetermined amount of axial force with the, force required for adjustment being considerably greater than the force that is applied thereto during a cutting procedure. An adjustment tool is also provided, the tool and the blade having cooperative engaging portions to permit accurate adjustment of the position of the guard on the blade between incisions during a surgical procedure.
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 February 13, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 13, 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.