Patent · US Active

Endoscope bending section control mechanism

US8790250B2 · kind B2 · utility

56Cited by
15References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 9, 2009
Grant dateJul 29, 2014
Priority date
Expiry dateJun 20, 2030

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B2017/003
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

An endoscope (1) having a distal end being arranged to be inserted into a body cavity of a patient to be examined and a proximal end which is arranged to be held by a user of the endoscope. The endoscope further comprises a handle (2) arranged at the proximal end of the endoscope, an insertion portion (3) arranged at the distal end of the handle, a bending portion (4) arranged at the distal end of the insertion portion, and two control wires (40,41) arranged between the handle and the bending portion, said control wires being used to control the bending of the bending portion via control inputs made at the handle. The handle also comprises at least one lever member (21) being arranged to be pivotable about a pivot axis (22), a pulley element (42) located between the proximal end of the handle and the pivot axis of the lever member, and wherein said two control wires are attached to said at least one lever member, a first of said control wires (40) being arranged such that it travels from the at least one lever member (21) in the direction towards the bending portion (4) and the second of said two control wires (41) being arranged such that it travels from the at least one lever mem…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.