Blood drawing device for collecting blood samples
A technology for collecting blood and samples, which is applied in the field of medical devices, can solve problems such as frequent contact between the end and air, blood contamination, and lower blood test accuracy, so as to avoid frequent contact with air, improve accuracy, and prevent blood contamination. Effect
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[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0022] see Figure 1-9 , the present invention provides a technical solution: a blood drawing device for collecting blood samples, comprising a barrel body 1, the upper and lower ends of the barrel body 1 are respectively fixedly connected with an upper blocking cap 2 and a lower blocking cap 3, the barrel There are multiple chambers 4 inside the body 1, and a blood collection tube 13 is placed inside each chamber 4. The inside of the blood collection tube 13 ...
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