Guide wire for medical purpose and manufacturing process of coil thereof
US5520194A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1993 |
| Grant date | May 28, 1996 |
| Priority date | — |
| Expiry date | Dec 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.