Blood collection pen

A technology for blood collection pens and blood collection needles, which is applied in the field of blood collection pens and can solve problems such as blood collection needles being injured

Inactive Publication Date: 2013-07-10
卞为强
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this requires that the cap of the housing must first be removed, which is associated with being difficult to use for many users
Moreover, there is a risk of the user being injured by the lancet present in the device

Method used

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  • Blood collection pen
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Examples

Experimental program
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Embodiment Construction

[0017] Below in conjunction with accompanying drawing and embodiment this patent is further described.

[0018] Such as figure 1 , figure 2 , image 3 , Figure 4 Shown in: the present invention mainly comprises nib (1); Front adjustment sleeve (2); Rear adjustment seat (3); Blood collection needle (needle); Left side cover (4); Needle holder (5); ); right side cover (7); front pop-up spring (8); pull-back spring (9); pull-back spring seat (10); pull-back cap (11); replaceable straight head (12); left and right side covers The guide chute (13) inside; the firing shrapnel (14) on the needle holder; the inverted right angle triangular trigger column (15) in the left and right side covers; the movable fork pin (16) of the button, which is different from the prior art in that the Said:

[0019] (one), figure 1 The nib (1) and the front adjustment sleeve (2) and the rear adjustment seat (3) form an adjustment nib that can be rotated left and right to adjust the depth of acup...

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PUM

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Abstract

The invention discloses a blood collection pen which is provided with a dual-spring lancet bracket, wherein the bracket can be mounted in a pen housing, can slide up and down in the pen housing and is used for bearing a disposable lancet or a disposable needle. A bracket sliding part in a slot in the inner side of the pen housing is moved back to prepare ejection of the disposable lancet or the disposable needle, and the lancet or the needle can be instantly ejected to an appointed position after a trigger button is pressed down and then returns to the original position under the action of springs. Therefore, the micro blood collection operation can be carried out, the whole prick and blood collection process can be finished in a very short time, and a patient does not feel pain. The blood collection pen is simple in structure and convenient and reliable to use and produce.

Description

Technical field: [0001] The patent of the present invention relates to the technical field of medical devices, specifically a blood collection tool used in medical diagnosis and personal blood testing, which can be replaced with a disposable blood collection needle or a blood collection pen with a disposable needle. Background technique: [0002] At present, there are many methods of blood collection pens on the market, most of which use the ejection principle of a spring to apply ejection force to the blood collection needle, thereby puncturing the skin to complete blood collection. The ejection blood collection pen is a relatively advanced adopting device, which has the advantages of convenience and speed. [0003] US6022366 discloses a blood collection device, wherein the length of the blood collection needle holder can be adapted to adjust the penetration depth. However, this requires that the cap of the housing must first be removed, which is associated with difficulty...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/151
Inventor 卞为强
Owner 卞为强
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