Sleeving puncture of laparoscope
A laparoscope and sleeve technology, applied in the field of medical devices, can solve problems such as complicated cleaning of devices, and achieve the effects of low cost and simple implementation.
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[0025] like figure 1 , 2 , shows a needle core 2 of the present invention, which includes a needle point 21, a needle shaft 22, and a handle 23 connected in sequence; on the solid end of the needle bar and on the axis of the needle bar, and the needle point 21 is a quadrangular pyramid formed by four identical or similar pyramid slopes, between each pyramid slope, between the needle point 21 and the needle bar 22, the needle bar 22 and the handle 23 are smooth and seamless fastened connections; the needle core 2 is made of hard medical polymer material by one-time integral injection molding. The diameter of the needle shaft 22 is 5.7 mm. The angle between adjacent edges of the needle point 21 is 40 degrees. The handle 23 of the needle core 2 is a connecting body of multiple ribs.
[0026] like image 3 , shows a casing 1 of the present invention, the casing 1 also includes a shut-off end 12 with a valve-type check valve 14 inside, and the valve-type check valve 14 is a do...
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