Artificial implant for carpometacarpal joint
US9452058B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2015 |
| Grant date | Sep 27, 2016 |
| Priority date | — |
| Expiry date | Jun 26, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2002/4258
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An artificial implant for a carpometacarpal (CMC) joint used for replacing a CMC joint surface of the first metacarpal bone is provided and has: an insert portion having an inserting end for inserting into a bone marrow cavity exposed from an incision of the first metacarpal bone, and a front end; an articular replacement portion connected to the front end of the inserting portion and disposed outside the incision of the first metacarpal bone, and having an articular profile surface to replace the CMC joint surface of the first metacarpal bone; and an attached flange protruded from a peripheral of the articular replacement portion, attached to an outer bone surface of the first metacarpal bone adjacent to the incision, and having at least one suture hole, through which at least one suture passes for assisting to fix an abductor pollicis longus (APL) to the outer bone surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.