Microwave energy-delivery device and system
First Claim
Patent Images
1. A microwave ablation device comprising:
- a cable assembly configured to connect a microwave ablation device to an energy source;
a feedline in electrical communication with the cable assembly;
a balun disposed on an outer conductor of the feedline;
a balun short electrically connecting the balun to the outer conductor; and
a temperature sensor disposed on the balun and adapted to sense the temperature of the balun.
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Abstract
A microwave ablation device including a cable assembly configured to connect a microwave ablation device to an energy source and a feedline in electrical communication with the cable assembly. The microwave ablation device further includes a balun on an outer conductor of the feedline, and a temperature sensor on the balun sensing the temperature of the balun.
111 Citations
27 Claims
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1. A microwave ablation device comprising:
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a cable assembly configured to connect a microwave ablation device to an energy source; a feedline in electrical communication with the cable assembly; a balun disposed on an outer conductor of the feedline; a balun short electrically connecting the balun to the outer conductor; and a temperature sensor disposed on the balun and adapted to sense the temperature of the balun. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A microwave ablation device, comprising:
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a handle assembly fluidly enclosing a portion of a microwave feedline and an inner tubular member; an outer tubular member extending from the handle assembly and enclosing a distal portion of the feedline and the inner tubular member, the distal portion of the feedline terminating in a radiating section and the distal portion of the inner tubular member configured to cool the radiating section, wherein the feedline, inner tubular member, and outer tubular members are arranged columinally and comprise gaps between the feedline and the inner tubular member and between the inner tubular member and the outer tubular member to enable fluid flow through the ablation device; a flexible cable assembly connected to the handle assembly and enclosing a proximal portion of the feedline, the flexible cable assembly configured to connect the feedline to an energy source; and a temperature sensing system associated with the cable assembly and configured to sense a temperature profile of tissue surrounding the distal radiating end of the tubular member. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification