Calculus removal
US5957932A · kind A · utility
99Cited by
41References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 4, 1998 |
| Grant date | Sep 28, 1999 |
| Priority date | — |
| Expiry date | May 4, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/2929
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Grasping an object, e.g., a calculus in the biliary tract, using a grasper, such as a basket, that can be opened and closed without mechanical advantage and also rotated about the device axis to make it easier to capture the object. The basket can then be closed further with mechanical advantage to crush the object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.