Use of PEBA having long blocks for the manufacture of all or part of a catheter
US10646620B2 · kind B2 · utility
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3Claims
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Key dates
| Filing date | Apr 13, 2015 |
| Grant date | May 12, 2020 |
| Priority date | — |
| Expiry date | Aug 17, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/1084
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A copolymer containing polyether blocks and polyamide blocks for manufacturing an inflatable catheter element, such as a catheter balloon, with improved bursting strength, in which said copolymer has the following characteristics: number-average molecular mass of the PE blocks greater than 500 g/mol, and number-average molecular mass of the PA blocks greater than 10 000 g/mol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.