Biopsy needle
A technology of biopsy needles and needle tubes, which is applied in the field of biopsy needles, can solve the problems of less tissue collection, large blindness, and limited accuracy, and achieve the effects of large tissue samples, improved diagnosis rate, and improved safety
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[0018] attached figure 1 It is a structural schematic diagram of the present invention, with figure 2 It is the outline drawing of the sampling knife of the present invention. Such as figure 1 As shown, the biopsy needle involved in the present invention includes a needle tube 1, a temperature sensing device and a sampling device; a through hole 2 is opened in the needle tube wall near the needle tip end of the needle tube 1, and a through hole 2 is opened in the needle tube wall near the needle tip. An annular groove 3 is also arranged along the circumferential direction; the temperature sensing device includes a temperature sensor 4, a temperature sensor control rod 7 and a connecting rod 6 connecting the temperature sensor 4 and the temperature sensor control rod 7, and the temperature sensor The middle part of 4 is hinged on the needle tube wall at the top of the through hole 2 to form a lever structure. One end of the temperature sensor 4 is connected to the temperatur...
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