Microkeratome blade assembly
CA 2355478 A1 · Owner: Richey, James L. Jr. · Inventors: Gebauer, Detlev; Richey, James L. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a microkeratome for creating lamellar sections from a biological tissue containing a blade-post assembly which improves precision and, predictability by preventing undesired blade wobbling. Methods and devices are disclosed to inhibit blade wobbling, preferably frictional fittings are employed to secure, the blade (or blade assembly) within the microkeratome. By biasing the blade into a, secure position, wobbling during usage is substantially lessened if not eliminated. A, modified blade assembly is disclosed having a post that is mated to a surgical blade. In, one embodiment of the invention the post can have one or more protrusions that engage, at …
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
- Filed August 21, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 21, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 21, 2023.
- 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.