Hot and cold composite ablation needle
The utility model relates to the technical field of soft tissue ablation, in particular to a hot and cold composite ablation needle which comprises a needle rod and a needle head located at the lower end of the needle rod, a cooling working medium pipe is arranged in the center of the interior of th...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model relates to the technical field of soft tissue ablation, in particular to a hot and cold composite ablation needle which comprises a needle rod and a needle head located at the lower end of the needle rod, a cooling working medium pipe is arranged in the center of the interior of the needle rod, an inner conductor is arranged on the outer side of the upper middle portion of the cooling working medium pipe, and an insulating pipe is arranged on the outer side of the inner conductor. The needle head end of the insulating tube is provided with an insulating tube boss, the outer side of the insulating tube above the insulating tube boss is provided with an outer conductor, the insulating tube below the insulating tube boss forms an insulating tube embedding section, and the insulating tube embedding section is inserted into the upper end of the needle head. The hot and cold composite ablation needle has the double functions of microwave thermal ablation and cryoablation, the application range of |
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