Cryosurgical instrument
US4063560A · kind A · utility
100Cited by
7References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 5, 1976 |
| Grant date | Dec 20, 1977 |
| Priority date | — |
| Expiry date | Apr 5, 1996 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2018/00041
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention provides for re-warming of a cryosurgical instrument after its use in the cold mode, during which refrigerant is supplied through a first duct through first restriction, by admitting to the cavity within the probe tip fluid from a pressurized source through a second duct this supply being subject to control imposed by a second restriction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.