Fluid extractor for closed body fluid retention devices
A body fluid and component technology, applied in the field of medical devices, can solve the problems of high material cost and mold cost, complex processing technology, low production efficiency, etc., and achieve the effect of reducing preparation cost, reducing cost and improving efficiency
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Embodiment 1
[0078] Embodiment 1: below in conjunction with attached Figure 1 to Figure 4 The present invention is further described.
[0079] A liquid taking part for a closed body fluid indwelling device, comprising an annular side wall 1 and a channel assembly 2 .
[0080] The annular side wall 1 includes part A for gathering liquid, part B and part C for connecting, and part C is used to prevent external liquid from contaminating the test tube matched with the liquid-taking part. Part C and part B may be independent, and part C may also include part B, that is, part B is a part of part C.
[0081] The annular side wall 1 encloses and forms a channel 11 , and the channel component 2 is vertically arranged in the channel 11 , and sealingly fits with the lower part 13 of the channel. That is, the channel assembly 2 is sealingly engaged with the portion B of the annular side wall 1 .
[0082] The channel assembly 2 is provided with an axial through hole A 24 for exhaust and a through h...
Embodiment 2
[0090] Embodiment 2: below in conjunction with attached Figure 5 , Figure 8 , Figure 15 , Figure 16 The present invention is further described.
[0091] A liquid taking part for a closed body fluid indwelling device, comprising an annular side wall 1 and a channel assembly 2 .
[0092] The annular side wall 1 includes part A for gathering liquid, part B for connecting and part C for preventing external liquid from contaminating the test tube matched with the liquid-taking part. Parts A, B and C are integrated. The annular side wall 1 is provided with an inward bend 15, and the bend 15 is located above the B portion.
[0093] The annular side wall 1 encloses and forms a channel 11 . The lower outer edge of the channel assembly 2 is circular. The channel component 2 is vertically arranged in the channel 11 , the channel component 2 is plug-fitted with the annular side wall 1 , and the annular side wall 1 is sealingly fitted with the lower part 13 of the channel. That...
Embodiment 3
[0102] Embodiment 3: below in conjunction with attached figure 1 , Figure 7 , Figure 17 The present invention is described further.
[0103] A liquid taking part for a closed body fluid indwelling device, comprising an annular side wall 1 and a channel assembly 2 .
[0104] The annular side wall 1 includes part A for gathering liquid, part B and part C for connecting, and part C is used to prevent external liquid from contaminating the test tube matched with the liquid-taking part. Part C and part B may be independent, and part C may also include part B, that is, part B is a part of part C.
[0105] The annular side wall 1 encloses and forms a channel 11 , and the channel component 2 is vertically arranged in the channel 11 , and sealingly fits with the lower part 13 of the channel. That is, the channel assembly 2 is sealingly engaged with the portion B of the annular side wall 1 .
[0106] The channel assembly 2 is provided with an axial through hole A 24 for exhaust a...
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