Patent · US Expired

Articulation mechanism for medical devices

US6863668B2 · kind B2 · utility

1,602Cited by
18References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 16, 2002
Grant dateMar 8, 2005
Priority date
Expiry dateFeb 25, 2023

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B2017/2905
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

An improved articulating device for use with a medical insertion instrument comprising in part a first tube having a plurality of ribs defining a plurality of bending segments, a second tube axially disposed within the first tube, and means for transmitting an axial deflecting pull load. Such device has improved controlled for positioning an end of the device at a selected position within the body. The articulating device has a generally constant moment of inertia and a polar moment of inertia that generally decreases from its proximal to distal end.

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