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A blood collection device with an elastic bridge buffer structure
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A technology with buffer structure and elasticity, applied in the fields of medical science, diagnosis, diagnosis recording/measurement, etc., can solve problems such as poor effect, and achieve the effect of ingenious conception, reasonable design and guarantee of consistency
Active Publication Date: 2019-09-03
STERILANCE MEDICAL SUZHOU
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Problems solved by technology
[0007] The invention provides a blood collection device with an elastic bridge buffer structure, the purpose of which is to effectively reduce the vibration of the needle tip during puncture, reduce the pain of puncture, and solve the problem of poor effect of previous existing technical solutions while ensuring the blood collection volume is advanced
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Embodiment 1
[0041] Embodiment 1: A blood collection pen with an elastic bridge buffer structure
[0042] The blood collection pen is a blood collection device used in conjunction with a disposable blood collection needle, wherein the blood collection pen is reusable, and the blood collection needle is only for one-time use in order to avoid cross-infection.
[0043] Figure 1~ Figure 6 As shown, the blood collection pen includes a housing, an emitting part and an elastic element (in this embodiment, the shooting spring 3, see Fig. 1 and Fig. 2).
[0044] The front part of the housing is provided with an adjustment cap 1 (see Figure 1 and Figure 2). For the blood collection pen of this embodiment, the adjustment cap 1 has two functions. The first is to rotate the adjustment cap 1 to adjust the puncture depth (puncture depth). The principle and structure of depth adjustment refer to the prior art), the second is to disassemble the adjustment cap 1 for loading and unloading the disposable b...
Embodiment 2
[0052] Embodiment 2: A blood sampling device with an elastic bridge buffer structure
[0053] The blood collection device is a blood collection device with a self-contained ejection mechanism and a blood collection needle 8, small in size, compact in structure, and disposable as a whole.
[0054] As shown in Figures 7 to 10, the blood collection device includes a housing, an emitting part and an elastic element (in this embodiment, the shooting spring 3, see Figures 7 and 9).
[0055] The front part of the housing is provided with an adjustment cap 1 (see Figure 7 and Figure 9). For the blood collection device of this embodiment, the adjustment cap 1 has only one function, that is, turning the adjustment cap 1 can adjust the puncture depth (the puncture depth adjustment See the prior art for the principle and structure). The front end of the adjustment cap 1 is provided with a blood collection end face 4 (see Fig. 7 and Fig. 9 ) for contacting the blood collection part of the...
Embodiment 1 and Embodiment 2
[0063] For above embodiment 1 and embodiment 2, the variation that the present invention may produce is described as follows:
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Abstract
Disclosed is a blood sampling device provided with an elastic bridge buffer structure. The blood sampling device comprises a housing, a launching component and an elastic element, wherein a front end of the housing is provided with a blood sampling end face, and a passive impact face (6) is provided in the housing; the launching component is provided with an active impact face (9) corresponding to the passive impact face (6); and on an outer edge of a tubular member (10), by means of transverse notching, the tube wall between each pair of partitioning notches (11) is separated to form an elastic bridge (12), and the passive impact face (6) is arranged on a bridge arch or on a side of a bridge arch extension body. In a launching state, when the active impact face (9) on the launching component collides with the passive impact face (6), the elastic bridge (12) reduces impact and oscillation by means of its own deformation, thereby constituting an elastic bridge buffer structure. By means of the blood sampling device, needle tip jitters during puncturing can be effectively decreased, the pain during puncturing can be reduced, and the problem of the poor effect of the existing technical solution can be solved.
Description
technical field [0001] The invention relates to the field of medical blood collection instruments, in particular to a blood collection device with an elastic bridge buffer structure. The so-called blood collection device includes two categories of products, the first is the blood collection pen, and the second is the blood collection device (or blood collection needle). Background technique [0002] In the field of medical blood collection, there are usually two types of blood collection devices (or blood collection devices) for micro-volume blood collection for diabetic patients. The first type is blood collection pens, and the second type is blood collection devices (or blood collection needles). The blood collection pen is a blood collection device used in conjunction with a disposable blood collection needle, wherein the blood collection pen is reusable, and the blood collection needle is only for one-time use in order to avoid cross-infection. The blood collection devi...
Claims
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Application Information
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