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A blood collection pen capable of confirming that the blood collection needle is in place

The technology of a needle loaded in place and a blood collection pen, which is applied in the field of blood collection pens, can solve the problems that the blood collection needle is not properly loaded, which affects the puncture depth and effect, and achieves a design that highlights the substantive features, improves the puncture effect, and is reasonable in design Effect

Active Publication Date: 2019-11-05
STERILANCE MEDICAL SUZHOU
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] The invention provides a blood collection pen capable of confirming that the blood collection needle is in place.

Method used

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  • A blood collection pen capable of confirming that the blood collection needle is in place
  • A blood collection pen capable of confirming that the blood collection needle is in place
  • A blood collection pen capable of confirming that the blood collection needle is in place

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Embodiment

[0060] Example: a blood collection pen capable of confirming that the blood collection needle is in place

[0061] Such as Figure 1-16 As shown, the blood collection pen is a kind of blood collection pen with post-adjustment of puncture depth. 8. Adjusting the inner sleeve 9, launching spring 10, adjusting ring 11, shooting rod return spring 12, handle return spring 13, inner sleeve 14, and tail handle 15 (see figure 1 ).

[0062] The pen cap 1 is a sleeve-type cap on the head of the blood collection pen, and the front end of the pen cap 1 is provided with a blood collection end surface for contacting the blood collection part of the human body. The cap base 2 is a base body used for connecting and matching with the pen cap 1 at the front of the blood collection pen (see figure 2 , image 3 with Figure 4 ), the pen cap 1 and the cap base 2 are connected through the connection port. Described shooting rod 3 is the launching part of blood collection pen (see Figure 7-...

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Abstract

The invention provides a blood collection pen capable of confirming that a blood collection needle is installed in place. The blood collection pen comprises an emission rod and a shell, and is characterized in that a detection bolt is arranged between the emission rod and the shell, the detection bolt and the emission rod are in sliding connection in the axial direction of the blood collection pen, and the emission rod is provided with a rear end limiting device corresponding to the detection bolt; the detection bolt is provided with a clamping hook and a first butting face, and the clamping hook is matched with a buckle in a locking structure; the first butting face is located on a needle base; a second butting face is arranged at the bottom of the needle base; the emission rod is provided with a stopping face, the shell is provided with a fixed limiting face, the stopping face and the fixed limiting face are matched with each other and used for limiting the backward moving distance of the emission. When the needle is installed, the following formula is satisfied that delta S equals S1-S2, wherein delta S is the distance between the first butting face and the second butting face,S1 is the distance between the buckle and the clamping hook, and S2 is the distance between the fixed limiting face and the stopping face. According to the blood collection pen, the problems that thepuncture depth, effects and pains are influenced when the needle is not installed in place are solved.

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. In use, the blood collection pen can only be loaded when the blood collection needle is inserted in place on the needle seat, and enters the ready-to-launch state, that is, it has the feature of confirming that the blood collection needle is installed in place on the needle seat. 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. The development of the blood collection pen has a history of several decades, and the improvement of the blood collection pen has gone through many stages and gradually matured. [0003] At present, blood collection pens can be divided into adjusta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/151
CPCA61B5/150022A61B5/150206A61B5/15107
Inventor 施国平安东尼·斯科特·霍斯特曼
Owner STERILANCE MEDICAL SUZHOU
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