Medical test card and blood gas test system
A test card and channel technology, which is applied in the field of medical test cards and blood gas analyzers, can solve the problems of high sample loss and contamination of instruments, and achieve the effects of increasing the cost of consumables, simple structure, and ensuring accuracy
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no. 1 example
[0043] see Figure 2 to Figure 3 , the valve 23 includes: a plug hole 231 and a spring plug 232 tightly fitted in the plug hole 231 .
[0044] The elastic plug 232 is made of elastic material, which can be deformed under the action of external force, and can return to its original state after the external force disappears. The elastic plug 232 can be a rubber plug, and the material can be resin, plastic or silica gel, etc., but it is not limited to this. Any material that can be deformed under the action of external force and can be restored to its original state after the external force disappears can be used to make the present invention. The spring plug 232.
[0045] see Figure 2 to Figure 7The plug hole 231 communicates with the liquid path 22, one end of the elastic plug 232 is embedded in the liquid path 22, the end face of the elastic plug 232 embedded in the liquid path 22 is the inner end face 2321, and the inner wall 2224 of the liquid path 22 faces the inner end ...
no. 2 example
[0069] see Figure 12 The difference between the valve 23 of this embodiment and the valve 23 of the first embodiment is that the shape of the elastic plug 232 is different, and other structures are the same as the above-mentioned embodiment.
[0070]In this embodiment, the inner end surface 2321 of the elastic plug 232 facing the liquid channel 22 is a spherical crown surface that is arched toward the inner wall 2224 of the liquid channel 22. The inner wall 2224 of the liquid channel 22 facing the inner end surface 2321 of the elastic plug 232 is perpendicular to The axial plane of the plug hole 231 . When no external force acts on the elastic plug 232, the central part of its inner end surface 2321 is in contact with the inner wall 2224 of the liquid channel 22, so that a gap is formed between the circumferential edge of the inner end surface 2321 of the elastic plug 232 and the inner wall 2224 of the liquid channel 22, so that a gap is formed. The liquid channel 22 is unbl...
no. 3 example
[0074] see Figure 14 and Figure 15 The difference between the valve 23 of this embodiment and the valve 23 of the first embodiment is that the shape of the elastic plug 232 is different, and other structures are the same as the above-mentioned embodiment.
[0075] In this embodiment, the inner end surface 2321 of the elastic plug 232 is concave, the inner wall 2224 of the liquid channel 22 facing the inner end surface 2321 of the elastic plug 232 is a plane perpendicular to the axial direction of the plug hole 231, and the inner concave part of the inner end surface 2321 of the elastic plug 232 is formed The cavity 2322, the outer peripheral edge of the end of the elastic plug 232 has at least two communication ports 2323 that communicate with the cavity 2322, and the communication ports 2323 communicate with the liquid path 22. For the case where the valve body 230 is provided in the liquid path 22, the communication port 2323 It communicates with the fluid inlet 2301 and ...
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