Guide device for percutaneous insertion of endoscope
US4972827A · kind A · utility
120Cited by
4References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 1990 |
| Grant date | Nov 27, 1990 |
| Priority date | — |
| Expiry date | Jan 25, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/347
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Described herein is a guide device for an endoscope to be percutaneously introduced into a body, the guide device including a trocar having an obturator extractably inserted in an outer sheath, and a guide tube to be placed in the outer sheath in place of the obturator of the trocar. The guide tube is rounded off at the inner edge of its fore end which is to be protruded from a sharp-edged tip end of the outer sheath when placed therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.