A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
62/2
A61B 18/02 (2006.01)
Patent
CA 1062926
Application of Joseph A. Holroyd For IMPROVED CRYOSURGICAL INSTRUMENT Abstract of Disclosure An improved defrostable cryosurgical instrument has a unitary in-line valve assembly that permits the assembly to be contained right in the instrument itself without making the instrument unduly large, heavy or upsetting its balance. By a fingertip control right in the instrument itself, the valve assembly can be controlled to route refrigerant through the instrument's tip to operate the instrument in a freeze mode, a defrost mode and to turn the instrument off, while simultaneously depressurizing the tip.
293492
Dynatech Corporation
Na
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