Medical guidewire with fully hardened core
US5916166A · kind A · utility
94Cited by
11References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 1996 |
| Grant date | Jun 29, 1999 |
| Priority date | — |
| Expiry date | Nov 19, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/09175
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Guidewire comprising an elongated core element manufactured from a martensitic alloy that is heat-treated to render a fully hardened core throughout its cross sectional area. The core has a constant taper or step-down decreasing cross sectional area in a direction towards the distal end which is fully hardened throughout its longitudinal length. A single coil, or two coils are carried by and secured to said core element near the distal end.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.