A blood collection device with infinitely adjustable measuring range
A technology of stepless adjustment and range, applied in blood sampling devices, diagnostic recording/measurement, medical science, etc., can solve problems such as inflexibility of use, and achieve the effect of flexible use and stepless volume adjustment
Active Publication Date: 2021-12-03
JIANGSU KEHUA MEDICAL INSTR TECH CO LTD
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Problems solved by technology
This kind of capillary blood collection tube is made of a glass tube with a small inner diameter and two ends open and connected. When collecting blood, one end of the capillary blood collection tube is in contact with the blood to be collected. Using the principle of capillary, the blood to be collected automatically enters the micro capillary blood collection tube. Internally, but the existing capillary blood collection tube only has a form of one range for blood collection, which is not flexible to use
Method used
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Embodiment Construction
[0018] The content of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0019] Such as Figures 1 to 3 As shown, a blood collection device with infinitely adjustable range includes an airbag 1, a piston 3, a connecting ring 2, a connecting tube 4, a capillary blood collection tube 5, a driving device 7, a reset device 8, and a floating mechanism 6; the airbag 1 The upper end is connected to the connecting ring 2 installed; the upper end of the connecting ring 2 is installed with a piston 3; the piston 3 is embedded and sealed inside the upper end of the connecting ring 2; the lower end of the airbag 1 is connected to and installed with a connecting pipe 4 The lower end of the connecting tube 4 is inserted into the connecting capillary tube 5; the upper end of the capillary tube 5 is inserted into the connecting tube 4, and the lower end of the capillary tube 5 extends below the connecting tube 4; the floating mecha...
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The invention discloses a blood collection device with infinite range adjustment, which includes an air bag, a piston, a connecting ring, a connecting tube, a blood collection tube, a driving device, a reset device, and a floating mechanism; the floating mechanism includes a telescopic ring, an elastic membrane, a moving tube In the present invention, the connecting screw rod is clamped and rotated on the positioning plate, and the threaded cylinder is driven to move up and down through the principle of thread engagement, thereby driving the connecting pipe to move up and down, and when the connecting pipe moves downward, the lower end of the connecting pipe moves against pressure The tube moves downward, so that the moving tube presses against the guide column and moves downward on the elastic membrane, and when the connecting tube moves upward, the elastic pressing member presses upward against the guide column, so that the guide column presses upward against the moving tube to move The tube moves upward on the elastic membrane, thereby realizing the purpose of the moving tube moving up and down on the elastic membrane, and realizing the technical effect of stepless capacity adjustment.
Description
technical field [0001] The invention relates to a blood sampling device with infinite range adjustment. Background technique [0002] Capillary blood collection tubes are a common tool for analyzing blood in hospitals and other medical departments. This kind of capillary blood collection tube is made of a glass tube with a small inner diameter, open at both ends and connected. When collecting blood, one end of the capillary blood collection tube is in contact with the blood to be collected, and the blood to be collected is automatically entered into the micro capillary blood collection tube by using the principle of capillary. Internally, however, the existing capillary blood collection tube only has a form with a range for blood collection, which is inflexible to use. Contents of the invention [0003] Aiming at the shortcomings of the above-mentioned prior art, the problem to be solved by the present invention is: to provide a blood sampling device whose measuring range...
Claims
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IPC IPC(8): A61B5/15
CPCA61B5/150236A61B5/150343A61B5/150351
Inventor 马荣华
Owner JIANGSU KEHUA MEDICAL INSTR TECH CO LTD