Disposable linear surgical stapling instrument
US4527724A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 10, 1983 |
| Grant date | Jul 9, 1985 |
| Priority date | — |
| Expiry date | Jun 10, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/0725
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A disposable linear surgical stapling instrument comprising a body with handle means and trigger means and, at its forward end, a fixed anvil-supporting jaw. A movable jaw comprising a staple cartridge is mounted on the body and is operatively connected to the handle means and trigger means. An adjustment bolt is slidably mounted in the body and is shiftable forwardly and rearwardly therein by an adjustment knob rotatively mounted at the rearward end of the body. The adjustment bolt, when shifted forwardly, shifts the handle means and trigger means forwardly and the movable jaw toward the fixed jaw, the staple cartridge approaching the anvil. A staple driver is connected to and shiftable by the trigger means to drive staples from the cartridge, through the tissue to be sutured and against the anvil over a range of distances between the anvil and the cartridge constituting the working gap of the instrument. The adjustment bolt also actuates indicator means to each side of the instrument indicating when the working gap has been achieved. An alignment pin is mounted on the body, extending through the cartridge, and is shiftable to an operative position extending into the fixed jaw. Sa…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.