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Safety blood lancet

A lancing pen and safety technology, applied in medical science, sensors, catheters, etc., can solve problems such as hidden safety hazards, complex structure, increased production costs, etc., and achieve the effect of reasonable technical scheme design, solving safety hazards, and reliable work.

Active Publication Date: 2012-07-18
STERILANCE MEDICAL SUZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This design overcomes the above-mentioned security flaws, but it brings two other problems
The first is that the structure is complex, some parts are difficult to manufacture, and the production cost increases; the second is that after the user installs the blood collection needle, when it is impossible to determine whether the blood collection needle has been installed before due to interference from other factors, the user usually opens the pen cover to carry out the test. Observed
At this time, the launch mechanism will produce false launches, which will cause harm to the user if you are not careful, so there are also potential safety hazards

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0061] Embodiment: safety type blood collection pen

[0062] Such as Figure 1~Figure 3 As shown, the safety blood collection pen is composed of two parts: a pen head 1 and a pen body 2, wherein the pen head 1 is assembled from the following four parts: an adjustment cap 3 , an adjustment ring 4 , an elastic ring 5 and an adjustment inner core 6 . A three-dimensional view of these four parts is shown in figure 1 , see the assembly diagram image 3 . In the nib 1, an ejection chamber is arranged inside the adjusting inner core 6 along the axial direction, and the front end of the ejecting chamber is provided with a pinhole 37, and the adjusting inner core 6 and the adjusting ring 4 are welded or snap-fitted, and the adjusting cap 3 and the elastic ring 5 are fixed. Fastened and fixed, the adjustment cap 3 is set on the head of the adjustment inner core 6 . When the adjustment cap 3 is rotated, the adjustment cap 3 moves axially relative to the adjustment inner core 6, there...

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Abstract

A safety blood lancet consists of a head and a body, and is characterized in that the head and the body are in plugging connection, a push rod is arranged at the connecting end of the head, a plugging slot is arranged at the connecting end of the body and consists of a slide slot, a transitional slot and a lock slot connected sequentially, a latch is arranged at the end of an elastic arm of an ejecting rod, a tongue is arranged in the front of the latch, and a hook is arranged at the back of the latch. The width of the latch is larger than that of the push rod, the width of the slide slot and the lock slot is larger than that of the latch, and the width of the transitional slot is larger than that of the push rod while smaller than that of the latch. A stop shoulder is formed at the joint of the slide slot and the transitional slot, a lock shoulder is formed at the joint of the transitional slot and the lock slot, and a push bevel is arranged at the end of the push rod or / and the tongue. Plugging connection of the head and the body and safety in use of the blood lancet are combined in the technical scheme, and possible problem about safety during use of the blood lancet is solved by the plugging structure between the head and the body of the safety blood lancet.

Description

technical field [0001] The invention relates to a medical blood collection device, in particular to a safety blood collection pen used in conjunction with a disposable blood collection needle. Background technique [0002] The blood collection pen is a kind of launch device, which is usually used in conjunction with a disposable blood collection needle, wherein the blood collection pen can be reused, 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. At present, the blood collection pen is moving towards a mature stage, but the safety of use in the development of the blood collection pen is still a concern of those skilled in the art . [0003] Chinese patent CN2479917Y once announced the authorization of a utility model patent named "blood collection device". The patent disclose...

Claims

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Application Information

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IPC IPC(8): A61B5/151
CPCA61B5/150022A61B5/150175A61B5/15113A61B5/15194A61B5/151A61B5/1519A61B5/1411A61B5/15117A61B5/150412A61B5/150259A61B5/150503
Inventor 施国平塞尔吉奥・马罗尼保罗・克莱希纳
Owner STERILANCE MEDICAL SUZHOU
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