Surgery – Diagnostic testing – Temperature detection
Reexamination Certificate
2006-04-18
2006-04-18
Ho, (Jackie) Tan-Uyen T. (Department: 3731)
Surgery
Diagnostic testing
Temperature detection
C606S170000
Reexamination Certificate
active
07029450
ABSTRACT:
The invention, in one embodiment, is directed to a catheter assembly adapted to enable an operator to incise a human ureter from within, with reduced risk of damaging a crossing blood vessel. The dilation catheter includes an elongated body and a dilatable bladder. The dilatable bladder is adapted to dilate in a radially outward direction from the elongated body. A thermally responsive indicator incorporated with at least a portion of the dilation member exhibits a state change in response to a change in temperature. A temperature change indicates the existence of a nearby crossing vessel. In a surgical method, an operator repeatedly positions and inflates the dilatable bladder in a human ureter proximal to a desired incision location to map the location of any crossing vessels. The operator then determines an inner wall incision location that avoids the detected crossing vessels.
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Boston Scientific Scimed Inc.
Ho (Jackie ) Tan-Uyen T.
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