Guide wire for catheters
US4538622A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 10, 1983 |
| Grant date | Sep 3, 1985 |
| Priority date | — |
| Expiry date | Nov 10, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/09175
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Guide wire comprising an elongate flexible cylindrical element formed of metallic material having high torsional capability and having a proximal portion ranging from 0.008 to 0.020 inches and a distal portion having a diameter of less than 0.007 inches. It also comprises a coil formed of metallic material and secured to the distal portion and an additional coil formed of a material which is different from the material of which the first named coil is formed and which is substantially radiopaque secured to the distal extremity of the first named coil. In addition, it comprises a tip having a rounded conformation secured to the distal extremity of the last named coil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.