Cryosurgical technique and devices

Details Cryosurgical technique and devices Cryosurgical technique and devices

1995-09-15

1998-11-10

Peffley, Michael

Surgery

Instruments

Cyrogenic application

606 21, 606 25, A61B 1732

Patent

active

058336850

ABSTRACT:
Devices and method for freezing of tissues. Devices comprise a cryosurgical probe that can be very slim with diameter up to a fraction of a millimeter for very focal freezing application, and an insulating canula for adjusting freeze zone. A cryosurgical probe with solid and liquid cold sources, wherein the solid cold source forms the portion of the probe inserted to tissue for thermal exchange while the liquid cold source maintains the operating temperature of said solid cold source. Method for rupturing targeted cells during freezing while minimizing freezing of nearby tissues and vasculatures.

REFERENCES:
patent: 3298371 (1967-01-01), Lee
patent: 3421508 (1969-01-01), Nestrock
patent: 3948269 (1976-04-01), Zimmer
patent: 4275734 (1981-06-01), Mitchiner
patent: 5108390 (1992-04-01), Potocky et al.
patent: 5254116 (1993-10-01), Baust et al.

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