Surgery – Truss – Pad
Patent
1982-12-09
1984-11-20
Coven, Edward M.
Surgery
Truss
Pad
1283031, 128784, 62 3, A61F 700
Patent
active
044833415
ABSTRACT:
An implantable hypothermia instrument for the in-situ treatment of oncological disorders includes a cylindrical casing terminating at a first end in a concave tumor-abutting portion of a thermoconductive material which is thermally adjacent the cold junction of a cascaded three-component solid state cooler and shaped to partially surround the target tissue in order to provide a convergent freezing effect. The cooler comprises a thermoelectric first cooling section, a thermomagnetic second cooling section and an Ettingshausen third cooling section connected thermally in parallel to afford a stepped temperature reduction across a wide thermal gradient and to provide a temperature level, freezing rate and repetitive freeze/thaw cycles sufficient for tumor necrosis.
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Atlantic Richfield Company
Coven Edward M.
Hindenburg Max F.
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