Scalpel
US5055106A · kind A · utility
Inventor
Key dates
| Filing date | Sep 7, 1990 |
| Grant date | Oct 8, 1991 |
| Priority date | — |
| Expiry date | Sep 7, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/3213
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A scalpel comprises a shank having a holder for releasably mounting a surgical blade. A ball of plastic material is formed by injection molding on the blade proper which consists of metal. The holder includes a sleeve, which is threadedly engaged with the shank at one end thereof and adapted to be screwed axially along the shank. The sleeve forms a ball socket, which is adapted to receive the ball of the blade therein. A clamping rod extends axially within the socket between the shank and the ball to engage and disengage said ball by the sleeve being screwed on the shank. The end of the clamping rod, which is adjacent to the ball, forms a circular sharp edge of a diameter which is substantially smaller than the diameter of the ball, thus cutting into the plastic material of the ball when the sleeve is screwed to engage the clamping rod with said ball.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.