Patent · US Active

Advance and retreat assist tool for endoscopic treatment instrument

US9565991B2 · kind B2 · utility

4Cited by
0References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 29, 2014
Grant dateFeb 14, 2017
Priority date
Expiry dateMar 6, 2035

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B2017/0034
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

An advance and retreat assist tool includes a base unit, an attachment portion which attaches the base unit to a treatment instrument insertion portion, a tubular member provided to advance and retreat relative to the base unit coaxially with a central axis of a hole portion and a fixing portion which fixes an endoscopic treatment instrument to the tubular member. The advance and retreat assist tool further includes a rotary portion which has an axis different from an axis of the tubular member and which rotates around the axis, and an advance and retreat mechanism.

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