Active forceps
US6793669B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2002 |
| Grant date | Sep 21, 2004 |
| Priority date | — |
| Expiry date | May 19, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2034/304
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Endoscopic surgical operation such as evisceration has been so far hardly achieved by a medical robot, since it requires high power. The present invention provides a downsized high-flexibility active forceps to enable such an operation, without needing a large space for manipulation to target a limited operative area. An active forceps of the present invention comprises: a tip forceps part 4 having, a tip supporting member 2 to support a forceps tip 1 at a center section 2a with a plurality of arms 2b laterally projected therefrom, and a plurality of tip side advancing and retreating members 3 connected at a front end with the plurality of arms respectively oscillatable while connected to one another relatively movable in directions toward front and rear ends; and a forceps bottom part 9 having, a plurality of bottom side advancing and retreating members 6 each integrally coupled to the plurality of tip side advancing and retreating members 3, while connected to one another relatively movable indirections toward front and rear ends to constitute a link mechanism together with the tip side advancing and retreating members 3 and the tip supporting member 2, and a bottom frame 8 provi…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.