Cutting instrument for endoscopic surgery
US5318582A · kind A · utility
Inventor
Key dates
| Filing date | Apr 13, 1993 |
| Grant date | Jun 7, 1994 |
| Priority date | — |
| Expiry date | Apr 13, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/320052
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An endoscopic method and system are provided which include a guide member, or sheath, open at both ends and having a continuous opening in the sheath along its entire length. A trocar proportioned to fit within the sheath includes a prominence which fits within the opening of the sheath to provide a smooth surface on the exterior of the sheath for insertion into, for example, a hand for the endoscopic release of the carpal ligament. The trocar is removed and a videoarthroscope is inserted in one end of the sheath while a cutting instrument or other instrument is inserted in the opposite end to permit direct observation of the procedure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.