Medical punch and surgical procedure
US7258694B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 7, 2004 |
| Grant date | Aug 21, 2007 |
| Priority date | — |
| Expiry date | Jun 15, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/061
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A medical punch includes a longitudinally dividable anvil with a reduced cross-sectional dimension facilitating insertion of the anvil into the vessel wall to achieve a clean aperture in the vessel wall by cooperative shearing action of a cutting edge and an anvil edge. In another embodiment, the instrument incorporates a measuring device for determining the thickness of a vessel wall between an anvil and a distal end of a cylindrical structure which together form a caliper, and the measuring device can also constitute a medical punch by cooperative shearing action of a cutting edge and an anvil to achieve a clean aperture in the vessel wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.