Patent · US Expired

Laparoscopic sealed access device

US6578577B2 · kind B2 · utility

270Cited by
54References
64Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 13, 2001
Grant dateJun 17, 2003
Priority date
Expiry dateJul 19, 2021

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M2025/109
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A hand access device for use in hand assisted laparoscopic surgery comprises a substantially tubular inflatable sleeve of pliable gas tight material having a twisted inner sleeve section and an outer sleeve section. The device has an inner O-ring for insertion through a wound opening in the abdominal wall and an outer O-ring for location outside of the wound opening. On insertion of a surgeon's arm the sleeve everts while monitoring a reduced lumen seal to the arm and a seal to the wound openings.

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