Catheter shaft with coextruded stiffener
US6855137B2 · kind B2 · utility
198Cited by
12References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 7, 2002 |
| Grant date | Feb 15, 2005 |
| Priority date | — |
| Expiry date | Aug 31, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/0063
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A steerable catheter having a shaft with one or more internal stiffeners coextruded within the shaft along a portion of its length. The internal stiffeners have a higher or lower hardness than the body of the catheter shaft. The overall stiffness of the shaft varies along its length for improved steerability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.