Cryoprobe
US5800487A · kind A · utility
109Cited by
16References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 23, 1996 |
| Grant date | Sep 1, 1998 |
| Priority date | — |
| Expiry date | Jul 23, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S128/27
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Cryocoolers for use in cryosurgery and other applications comprising finned tube helical coil heat exchangers and a flow directing sheath covering portions of the heat exchanger coil and isolating portions of the heat exchanger coil from the outer sheath of the cryocooler. The size and shape of iceballs created by the probes is controlled by the extent and location of the flow directing sheath.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.