Middle-ear prosthesis
CA 1282206 C · Owner: Gersdorff, Michel · Inventors: Gersdorff, Michel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a medical prosthesis. This is a middle-ear prosthesis (16) provided with a means (23) of fastening to the tympanic frame (24), a flexible suspension means (22) and a means of, transmitting sound between the tympanic membrane (3) and the oval window, the transmission means comprising an arm (17) representing the malleus (4) and connected to a second arm (19) representing the incus (6) and connected to the stapes (8) or to a columella (21) representing it. The suspension to the tympanic frame (24) ensures better compliance and the independent articulation to the tympanic membrane (3), on the one hand and, to the base (10) of the stapes (8) on the other hand, effects a …
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 April 2, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 2, 2008.
- 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.