Surgical instruments with flexible drive shaft
US6053907A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 13, 1998 |
| Grant date | Apr 25, 2000 |
| Priority date | — |
| Expiry date | Aug 13, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/2905
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A drive shaft (16) for a surgical instrument (10) has a rigid drive shaft section (30) having an end portion (32). A flexible drive shaft section (40) comprises a bendable spring having an outer surface (44) and an end portion (42). The instrument (10) also comprises a sleeve (50) having an inner surface (52) and extending from the end portion (32) of the rigid drive shaft section (30) over the end portion (42) of the flexible drive shaft section (40). The instrument (10) further comprises an adhesive material (60) joining the inner surface (52) of the sleeve (50) to the outer surface (44) of the bendable spring (40).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.