Patent · US Expired

Calculus removal

US5788710A · kind A · utility

90Cited by
36References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 30, 1996
Grant dateAug 4, 1998
Priority date
Expiry dateApr 30, 2016

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.