Surgical tool, medical treatment instrument, and surgical system
US11219496B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2019 |
| Grant date | Jan 11, 2022 |
| Priority date | — |
| Expiry date | Jul 18, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2034/715
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical tool according to one or more embodiment may include: an end effector; an elongate element that drives the end effector; a hollow shaft that includes a proximal end portion and a distal end portion which is coupled to the end effector; a driving member which the elongate element led via the shaft is wound on; a guide pulley that is disposed between the proximal end portion of the shaft and the driving member and guides the elongate element; and a tension pulley that is disposed between the proximal end portion of the shaft and the guide pulley and biases the elongate element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.