Circular stapler with an automatic safety mechanism
US7900806B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2006 |
| Grant date | Mar 8, 2011 |
| Priority date | — |
| Expiry date | May 27, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/0814
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A circular stapler with an automatic safety mechanism comprises a stapler body, a stapler head, an actuating mechanism and a transmission adjusting mechanism; wherein the actuating mechanism comprises a handle and a handle coat, the transmission adjusting mechanism comprises a screw rod and an adjusting knob; a stopper is disposed either inside said handle or said handle coat; a safety rod and a pulling sheet are further provided, the safety rod has a safety block on one end and has a protruding block and a pin hole as its middle portion, a cylindrical pin is inserted into the pin hole so as to get the safety rod to be pivotally connected with the stapler body; the pulling sheet has a rear portion mounted on the screw rod and has a pulling hook at its front portion, the pulling hook hooks with the protruding block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.