Visual blood collection needle
A blood collection needle and needle seat technology, applied in the field of visual blood collection needles, can solve the problems of not being able to clearly observe the blood flow, affecting the accuracy of the test results, and not achieving visual effects, etc., to improve the accuracy of blood samples, The indicated process is clear and rapid, and the effect of reducing the degree of red blood cell damage
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[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so as to help understand the content of the present invention. The methods used in the present invention are conventional production methods unless otherwise specified; the raw materials used are conventional commercially available products unless otherwise specified.
[0030] Depend on Figure 1 to Figure 9 As shown, a visual blood collection needle provided by the present invention is provided with a transparent plastic needle holder and a stainless steel needle tube 5 with needle points at both ends; Seat 2, the needle seat 1 at the puncture end is provided with a hollow blood return chamber, the upper part of the blood return chamber is provided with a return blood vessel 31, and the lower part of the blood return chamber is provided with a lower end return blood chamber 2, and the return blood vessel 31 and the lower end return blood chamber...
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