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A kind of blood sampling pen which is convenient for unloading the needle and sticking the cap

A lancing pen and acupuncture technology are applied in the field of lancing pens and needle-type lancing pens without removing caps, which can solve problems such as inconvenience in operation, and achieve the effects of reasonable structural design, prominent substantive features, and remarkable progress.

Active Publication Date: 2021-10-08
STERILANCE MEDICAL SUZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a blood collection pen that is convenient for removing the needle and sticking the cap, and its purpose is to solve the problem of inconvenient operation caused by the lack of stop function of the cap when removing the needle of the existing cap-free blood collection pen

Method used

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  • A kind of blood sampling pen which is convenient for unloading the needle and sticking the cap
  • A kind of blood sampling pen which is convenient for unloading the needle and sticking the cap
  • A kind of blood sampling pen which is convenient for unloading the needle and sticking the cap

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Embodiment

[0062] Embodiment: A kind of blood sampling pen that is convenient for unloading the needle and sticking the cap

[0063] Such as Figure 1~Figure 19 As shown, the blood collection pen is composed of a pen cap 1, a middle sleeve 2, a shooting rod 6, a needle unloading lever 27, an outer shell 17, a button 23, a firing spring 30, a return spring 29, an inner sleeve 9, an outer sleeve 8 and a needle unloading push handle 22 (See figure 2 ). Wherein, the pen cap 1 , the middle cover 2 and the shell 17 are connected to form the shell of the present invention, and an ejection cavity is arranged in the shell. Both the inner sleeve 9 and the outer sleeve 8 are connected to form the tail handle 10 in the present invention.

[0064] The pen cap 1 is a sleeve-type cap on the head of the blood collection pen. figure 1 and figure 2 ). The middle sleeve 2 is the base used for connecting and cooperating with the pen cap 1 at the front of the blood collection pen, and the pen cap 1 a...

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Abstract

A blood collection pen that is convenient for unloading the needle and capping, including a housing, a shooting rod and a needle unloading rod, characterized in that: between the sliding mating surfaces of the needle unloading rod and the shooting rod, an elastic bump is arranged on one of them, The other is provided with a blocking surface, and the elastic bump and the blocking surface are located on the same sliding path. In the state of unloading the needle, as the needle unloading rod moves forward relative to the shooting rod, the elastic bump and the blocking surface move toward each other. When the distance between the elastic bump and the blocking surface is zero on the sliding path, the needle unloading rod is forced to move forward relative to the shooting rod to cause a pause. The tip of the needle is exposed from the end face of the blood collection, which is convenient for piercing the cap. This solution solves the problem of inconvenient operation caused by the lack of a stop when the cap is unplugged and the limitation of observing the needle point when the existing cap-free blood collection pen is unloading the needle.

Description

technical field [0001] The invention relates to a medical blood collection device, in particular to a blood collection pen matched with a disposable blood collection needle. The invention is particularly suitable for loading and unloading the needle-type blood sampling pen without removing the cap, and is convenient for the operation of piercing the cap when unloading the needle. Background technique [0002] 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. In the current prior art, from the perspective of the convenience of loading and unloading needles, there are two types of blood collection pens: a cap-free type and a cap-removable type. Among them, the cap-free blood collection pen does not need to remove the pen cap when installing the needle, and directly inserts t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/15
CPCA61B5/15A61B5/15019A61B5/150198A61B5/150206A61B5/150541A61B5/150572
Inventor 施国平王祥生张金权
Owner STERILANCE MEDICAL SUZHOU
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