Cryoablation catheter with an improved gas expansion chamber
US6585728B2 · kind B2 · utility
12Cited by
11References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 25, 2001 |
| Grant date | Jul 1, 2003 |
| Priority date | — |
| Expiry date | May 25, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2018/0262
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A cryoablation catheter having a high efficiency gas expansion chamber comprised of a generally cylindrical or hemispherical cooling chamber having a wall thickness equal to approximately one half the wall thickness of the walls of the catheter in order to provide a cooling chamber increased with large gas expansion volume and having thin walls for rapid cooling of the outside surface of the cooling chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.