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US 2026/0224266 A1Published application
Multi-filar coil heaters for cryoablation probes
AssigneeVarian Medical Systems, Inc.
InventorJustin May
Life of this patent
Estimating the term…
Abstract
A cryoprobe includes a needle defining an internal cavity, a cryogen conduit positioned in the internal cavity, and a multi-filar heater positioned radially outward of the cryogen conduit in the internal cavity configured to heat the needle to a predetermined temperature.
Claims20
A cryoprobe comprising:
- a needle defining an internal cavity;
- a cryogen conduit positioned in the internal cavity;
- and
- a multi-filar heater positioned radially outward of the cryogen conduit in the internal cavity configured to heat the needle to a predetermined temperature.
1 more element
A cryoprobe comprising:
- a needle defining an internal cavity;
- a cryogen conduit positioned in the internal cavity;
- and
- a multi-filar heater positioned radially outward of the cryogen conduit in the internal cavity configured to heat the needle to a predetermined temperature, the multi-filar heater formed of at least one structural wire and a plurality of heater wires wherein at least two of the plurality of heater wires are connected at or near a distal end of the internal cavity to form a heating circuit.
1 more element
Dependencies are inferred from the claim text.