Patent · US Expired

Guide wire for medical purpose and manufacturing process of coil thereof

US5520194A · kind A · utility

142Cited by
7References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 7, 1993
Grant dateMay 28, 1996
Priority date
Expiry dateDec 7, 2013

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M2025/09175
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A guide wire for medical purposes having a proximal section and a distal section and formed by inserting all or a portion of a slender and flexible shaft into a coil and fixing the shaft to the coil, wherein the coil is a multiple-wire coil consisting of at least 2 wire rods, at least one of these wire rods is made of a material which is opaque against radioactive rays such as X ray, and a portion of the coil close to the distal section of the shaft is a single-wire coil consisting of only a wire rod made of the radiopaque material.

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