Thyroid cyst aspiration device
A thyroid cyst and suction device technology, applied in suction devices, hypodermic injection devices, balloon catheters, etc., can solve the problems of increasing the probability of infection, increasing the pain of patients, affecting the treatment effect, etc., so as to reduce the probability of infection and reduce Pain of the patient, the effect of improving the treatment effect
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[0017] The present invention will be described in detail below with reference to the drawings, such as figure 1 Shown: The present invention provides a thyroid cyst suction device, including a cannula base 1, a puncture needle and a negative pressure suction device 4. The front end of the cannula base 1 is provided with an indwelling soft needle 14, the puncture needle includes a needle 21 and a needle handle 22. The needle 21 passes through the cannula base 1 and is sleeved in the indwelling soft needle 14, the needle handle 22 is slidingly sleeved with the cannula base 1, a reset spring 5 is arranged between the needle handle 22 and the inner wall of the cannula base 1, and the outer wall of the needle 21 A drainage channel 8 is formed between the inner wall of the indwelling soft needle 14. The cannula base 1 is provided with a liquid suction port 9 and a drug injection port 10. One end of the liquid suction port 9 is connected to the drainage channel 8, and the other end is c...
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