Catheter having improved bonding region
US8636717B2 · kind B2 · utility
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208References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 23, 2012 |
| Grant date | Jan 28, 2014 |
| Priority date | — |
| Expiry date | Oct 23, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/0063
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method of making a catheter having a flexible outer tube and a lubricious inner tube bonded to the flexible outer tube. The catheter is formed of a distal outer tube formed of a first, flexible material, an inner tube having a lubricious inside wall surface formed of a second, lubricious material, and an outer tube wall surface compatible with heat bonding the inner tube outside wall surface to the outer tube wall surfaces. A preferred flexible material is polyether block amide (PEBA) and a preferred lubricious material is polyethylene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.