Medical guide wire
US6884225B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2002 |
| Grant date | Apr 26, 2005 |
| Priority date | — |
| Expiry date | May 16, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/09183
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In a medical guide wire (1), a rigid portion (4A) is located at a distal end of a helical spring (4), and the rigid portion (4A) measures 0.5 mm or less which extends from a top end of a head plug (5) to a rear end of a portion in which the helical spring (4) is secured to the head plug (5), and an intermediary location (11) is secured to an intermediary boss portion (9) of a core line (3) to provide a loosely wound portion (8) from a rear end of the head plug (5) to the intermediary location (11) to be elastically expandable due to a clearence (C) appeared between line element turns of the loosely wound portion (8).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.