Surgery – Instruments – Cyrogenic application
Patent
1994-01-31
1996-01-23
Shay, David M.
Surgery
Instruments
Cyrogenic application
606 2, 606 9, 606 10, 607 96, 607 99, 607112, 607114, 206 4534, 2065244, 220 421, 220501, 220529, 220602, 220665, 622593, 62529, A61N 506
Patent
active
054861721
ABSTRACT:
An apparatus is provided for treating cutaneous vascular lesions in a target area of a patient. The apparatus has a lower housing having a bottom with an opening therethrough, and an upper housing adapted to be connected in liquid tight engagement to the lower housing. The upper housing has a top with an opening therethrough and substantially in alignment with the opening of the lower housing. A pair of glass windows are provided one positioned in the opening of the lower housing, and the other positioned in the opening of the upper housing. The apparatus further comprises at least one fenestrated wall adapted to be removably positioned in the lower housing to form a first and a second chamber when the upper and lower housings are connected together. The first chamber is adapted to receive a cooling medium, and the second chamber prevents the cooling medium from obstructing the passage of a laser beam between the pair of glass windows. The fenestrated wall provides for the passing of any portion of the cooling medium in liquid form to move through the apparatus.
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