Endoscope insertion assisting device
US8795158B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 25, 2012 |
| Grant date | Aug 5, 2014 |
| Priority date | — |
| Expiry date | May 19, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/01
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An insertion assisting device includes a rotary body in the form of toroid, and a support and drive part for supporting the rotary body in a rotatable manner and rotating it. The support and drive part has an approximately cylindrical supporting member for supporting the rotary body in a rotatable manner. The rotary body is provided with a convex portion for increasing the thickness to improve the strength thereof. A concave portion having a shape corresponding to the shape of the convex portion is formed on a portion of a front end surface of the supporting member, which is made in contact with the convex portion. The concave portion prevents the rotary body from stopping rotating, which may be caused by point contact between the convex portion and the supporting member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.