Apparatus and procedure for verifying isometric ligament positioning
CA 1320404 C · Owner: Goble, E. Marlowe · Inventors: Goble, E. Marlowe; Somers, W. Karl
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
For knee reconstruction surgery involving replacement of an anterior or posterior cruciate ligament the present invention is in a process for verifying isometric ligament positioning at the femoral and tibial points of origin that includes as apparatus, an arrangement of a stud (19) with attached suture (24) to serve as a mock ligament for testing isometry. In practice, as for an anterior cruciate ligament replacement procedure, a surgeon, observing on a fluoroscopic monitor (17), forms a tibial tunnel (18) from a point medial to the tibial tuberosity that exits a test or proposed tibial point of ligament origin. The stud (19) is arranged for turning on a driver (20) that is then passed …
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 July 20, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 20, 2010.
- 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.