Stapling device with features to prevent inadvertent firing of staples
US9668733B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 21, 2014 |
| Grant date | Jun 6, 2017 |
| Priority date | — |
| Expiry date | Aug 17, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/00407
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical device includes a handle assembly, an elongated body, and a tool assembly. The handle assembly includes an actuation assembly operatively associated with an actuation shaft to advance the actuation shaft and configured to prevent advancement of the actuation shaft when the actuation shaft is in a fully retracted position and a moveable handle is in a non-compressed position and/or to prevent advancement of the actuation shaft when a grasping pawl is extended within a grasping slot of the actuation shaft. The actuation shaft including a vertical pawl locking surface near a distal end configured to engage a locking notch of a vertical pawl. The actuation assembly including a grasping pawl having a radial detent configured to engage a proximal surface of a grasping slot of the actuation shaft when the grasping pawl is positioned within the grasping slot.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.