Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Thermal applicators
Reexamination Certificate
2005-01-25
2005-01-25
Gibson, Roy D. (Department: 3739)
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Thermal applicators
C607S099000
Reexamination Certificate
active
06847848
ABSTRACT:
Each of various modifications of an integrated-structure inflatable balloon catheter design includes a longitudinal structure having a sharply-pointed insertion needle at a distal end of the longitudinal structure and an inflatable balloon situated intermediate a proximate end and the distal end of the longitudinal structure which is attached to said longitudinal structure. With the inflatable balloon in a deflated state, the insertion needle may be used to puncture the patient's skin and underlying sub-cutaneous tissue and place the deflated balloon in proximity to the diseased sub-cutaneous tissue, The balloon is then inflated to press against and thereby spatially deform the diseased sub-cutaneous tissue, after which the deformed diseased sub-cutaneous tissue may be therapeutically heated. This heating may be sufficient to cause the creation of a permanent cavity in the deformed diseased sub-cutaneous tissue which persists after the catheter is withdrawn. This permits any selected one of various therapeutic substances to be introduced into this a permanent cavity. One modification employs a balloon having a selected non-uniform, odd pattern shape which, when inflated, cooperates with the shape of the diseased sub-cutaneous tissue. This one modification also may be beneficially used in prostate-treating balloon catheters, which do not have a sharply-pointed insertion needle at the distal end thereof.
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Mawhinney Daniel D.
Sterzer Fred
Gibson Roy D.
MMTC, INC
Seligsohn George
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