Biopsy channel for an endoscope
US4676229A · kind A · utility
93Cited by
9References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 9, 1986 |
| Grant date | Jun 30, 1987 |
| Priority date | — |
| Expiry date | Apr 9, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M25/005
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A biopsy channel for use in an endoscope having a tubular substrate formed of a lubricious material that is wound with a high strength wire filament helically wound thereabout to provide spaces between the windings and a relatively softer elastomeric material blanketing the windings. A top coating also containing a lubricious material is placed over the filler material to provide a tubular structure that can be bent into a tight radius without collapsing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.