Surgical operation system and method of securing working space for surgical operation in body
US5976146A · kind A · utility
616Cited by
5References
49Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 1998 |
| Grant date | Nov 2, 1999 |
| Priority date | — |
| Expiry date | Jun 11, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/062
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical operation apparatus of this invention includes an operation sheath having a cavity securing portion that is inserted into vital tissue through the skin to secure a working cavity for a surgical operation in the body, and a sheet member that allows an operation tool to be inserted from outside the body into the cavity. The operation sheath is guided into the vital tissue by guide tools such as a dilator, a soft tube, and a mandrin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.