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(19)

(11)

2 093 090

(13)

(51)

IPC

(21) (22)

Application

5034722/14, 1992-02-19

(22)

Actual filing date

1992-02-19

(45)

Published

1997-10-20

(72)

Inventor

Zholobov N.I.Ptukha T.P.Tsyganov D.I.

(73)

Holder

Vserossijskij Nauchno-Issledovatel'Skij I Ispytatel'Nyj Institut Meditsinskoj Tekhniki Npo Minzdrava Rf

CRYOSURGICAL INSTRUMENT Russian patent published in 1997 - IPC

Abstract RU 2093090 C1

FIELD: medicine; equipment operating upon principle of locally freezing biological tissues. SUBSTANCE: proposed instrument comprises thermally insulated body 1, cryoagent supply line 2, working tip 3 connected with body 1, and cryoagent discharge line 5 having portion located outside of body 1 and accommodating, arranged in series, heat exchanger 6 and nozzle 7 make of material having large thermal expansion coefficient. EFFECT: greater freezing rates. 1 dwg

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RU 2 093 090 C1

Authors

Zholobov N.I.

Ptukha T.P.

Tsyganov D.I.

Dates

1997-10-20—Published

1992-02-19—Filed