Patent · US Expired

Apparatus and method providing an insertion medical device

US6334863B1 · kind B1 · utility

6Cited by
4References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 22, 2000
Grant dateJan 1, 2002
Priority date
Expiry dateMar 22, 2020

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M29/00
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

This invention provides an apparatus and method for an insertion medical device that dilates internal strictures. The insertion medical device includes a flexible dilator having an enclosed, hollow chamber substantially filled with crystalline tungsten powder. More particularly, a bougie is disclosed. The crystalline tungsten powder provides the bougie with improved flowability and performance when placing the bougie in the stricture. In another aspect, the invention provides improved flowability and adequate weight to other medical devices such as feeding tubes and endoscopy instruments.

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