Surgical blade system
US5938027A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 8, 1997 |
| Grant date | Aug 17, 1999 |
| Priority date | — |
| Expiry date | Dec 8, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53683
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The handle has a blade mounting portion with a raised boss forming a slot. The blade has a boss receiving recess with a portion defined by an edge. The cartridge removeably retains the blade. It has an opening into which the blade mounting portion of the handle can be inserted. A normally arcuate spring is mounted in cantilever fashion within the enclosure. The tip of the blade abuts a stop surface proximate the unattached end of the spring. In its arcuate state, the spring retains the blade in a position where the edge of the blade can enter the slot in the handle. As the blade is moved by insertion of the handle, against the urging of the spring, the spring straightens allowing the blade to assume a position where the boss can be fully seated within the recess, mounting the blade on the handle. The blade is then removed from the cartridge by withdrawing the handle. After use, the blade is reinserted into the cartridge. A pushbutton, accessible from the exterior of the cartridge, is depressed to cause the boss to withdraw from the slot to dismount the blade from the handle. A stand for retaining multiple cartridges is provided. Each cartridge is supported by a rigid finger aligned…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.