System for inserting and removing a locator-pin in a bone
US11076894B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 23, 2017 |
| Grant date | Aug 3, 2021 |
| Priority date | — |
| Expiry date | Jun 23, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/7032
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A locator-pin for positioning a pedicle screw in a bone, comprising a pin body, a distal portion comprising a trocar tip shaped to penetrate a bone by pressing and/or percussing and a proximal portion equipped with a first fixing member to fix, during use, to an insertion pin-carrier and a second fixing member to fix, during use, to a removal pin-carrier, the two fixing members being different, wherein the first fixing member is able to transmit at least an axial push parallel to an axis of a locator-pin, and the second fixing member is able to transmit at least an axial draw parallel to the axis of the locator-pin and at least one sense of rotation around the axis of the locator-pin. Systems comprising the locator-pin and methods of recovering a positioned locator-pin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.