Harpoon suture anchor
US5141520A · kind A · utility
Inventors
Key dates
| Filing date | Oct 29, 1991 |
| Grant date | Aug 25, 1992 |
| Priority date | — |
| Expiry date | Oct 29, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/044
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A harpoon suture anchor and driver, which suture anchor includes a pointed forward harpoon end that is for driving into a bone, the driver for mounting the suture anchor onto one end and is configured to receive a hammer force on its other end, and transmit that force into so as to drive the suture anchor harpoon end into which bone. An end of a suture connects into a cavity of a suture anchor cylindrical body, which cylindrical body fits into a suture anchor mount of the driver that includes a collar for contacting the bone surface limiting suture anchor penetration. Which suture anchor mount is open therethrough as is a driver rod connected thereto, the openings for maintaining the suture fitted therein until the driver and suture anchor mount are pulled therefrom. The invention includes three embodiments of suture anchor harpoon ends: a first embodiment of which is a regular cone that is inturned at a skirt into a wall that extends to the cylindrical body, sloping towards the pointed end, the skirt to flex inwardly as the suture anchor is hammered into a bone; a second embodiment of which is like the first embodiment except spaced arcuate flutes are removed from the regular cone…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.