Flexible guide having two-way shape memory alloy
US4984581A · kind A · utility
660Cited by
30References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 12, 1988 |
| Grant date | Jan 15, 1991 |
| Priority date | — |
| Expiry date | Oct 12, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/09141
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A medical guide wire for insertion into body channels for accessing specific inner body areas without major surgery. The guide wire comprises an elongated, flexible guide having a core of a shape memory alloy, the guide utilizing the two-way memory properties of the shape memory alloy to impart tip-deflecting and rotational movement to the guide wire in response to a controlled thermal stimulus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.