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Blood sampler with adjustable puncture depth

A lancing pen and depth technology, applied in the field of lancing pen, can solve the problems of high manufacturing cost, insufficient needle penetration depth, damage, etc., and achieve the effects of easy disassembly and replacement, adjustable penetration depth, and easy lancing needle

Inactive Publication Date: 2012-03-21
SUZHOU INST OF BIOMEDICAL ENG & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the penetration depth of the blood collection needle cannot be adjusted all the time, the penetration depth of the needle will not be enough or the penetration will be too deep to cause damage to the person to be lancet
Some blood collection pens can adjust the penetration depth of the skin, but the structure of the adjustment part is complex, there are many parts, the processing and installation process is complicated, and the manufacturing cost is high

Method used

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  • Blood sampler with adjustable puncture depth
  • Blood sampler with adjustable puncture depth
  • Blood sampler with adjustable puncture depth

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Embodiment Construction

[0028] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0029] see Figure 1 to Figure 10 As shown, a blood collection pen with adjustable penetration depth includes a blood collection needle 10 and a pair of symmetrically structured upper and lower pen holders 3, 4, and the two ends of the upper and lower pen holders 3, 4 pass through respectively The pen cap 1 and the back cover 7 are screwed together to form a hollow pen tube, the blood collection needle 10 is located inside the hollow pen tube, and the tail of the blood collection needle 10 is arranged in a needle holder 12. Needle frame 12 is connected with a core rod 14, and the tail section of described core rod 14 is equipped with a slide block 16, and a launch spring 17 is arranged between described slide block 16 and described back cover 7, and the front section of described core rod 14 is A hollow structure connected with the ...

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Abstract

The invention discloses a blood sampler with adjustable puncture depth, which mainly comprises a puncture depth adjusting mechanism, a blood sampling needle ejecting and auto-retracting mechanism and a blood sampling needle detaching mechanism. An adjusting ring of the puncture depth adjusting mechanism can be rotated to adjust puncture depth of a blood sampling needle into skin, so that injury of a person under blood sampling due to sufficient puncture depth or too deep puncture is avoided. Ejecting and retracting of the blood sampling needle are controlled by two compression springs of the blood sampling needle ejecting and auto-retracting mechanism, including an ejecting spring and a core pin retracting spring which respectively are mounted at the rear end of a core pin, and the ejecting spring and the core pin retracting spring are isolated by a slider. When blood sampling is complete once and the blood sampling needle needs to be changed, the blood sampling needle can be ejected out by unscrewing a sampler cap and pushing a slide rod forward, fingers can be protected from being torn by the needle tip, and safety and reliability are achieved. The blood sampler is simple and compact in structure, convenient in use, safe, hygienic, suitable for blood sampling places for blood test, and capable of effectively preventing cross infection.

Description

[0001] technical field [0002] The invention belongs to the field of medical devices, in particular to a blood collection pen. Background technique [0003] At present, in the blood collection pens required on the market, in general, the internal blood collection needle should be a disposable product to prevent cross-infection. After the blood collection is completed, the blood collection needle needs to be removed and replaced with a new blood collection needle. Therefore The replacement of the blood collection needle must be convenient, safe and fast. [0004] Then, some blood collection pens need to manually remove the blood collection needle after use, which can easily cause safety and hygiene problems, cross-contamination, and inconvenient operation. [0005] Simultaneously, due to individual differences, reasons such as different skin thicknesses, even for one person, blood needs to be collected from different parts of the human body, so it is necessary to frequently...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/151
Inventor 位兵韩坤钱俊刘涛高静尹焕才
Owner SUZHOU INST OF BIOMEDICAL ENG & TECH
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