Vacuum assistant type hemostix

A vacuum-assisted, blood-collecting device technology, applied in sensors, blood sampling devices, medical science and other directions, can solve the problems of difficult to apply to mass consumption, extremely high material requirements, difficult to disposable products, etc., and achieve simple and large-scale processing and manufacturing. Selective, pain-relieving effects
CN107212892AInactive Publication Date: 2017-09-29雷鸣 +1
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
雷鸣
Publication Date
2017-09-29
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a painless blood collection device based on acupuncture in a negative pressure environment. The principle is to pre-set a vacuum environment before triggering the puncture needle. When preparing to take blood, the skin and the ejection shell form a closed space. When the puncture needle is triggered, the vacuum chamber and the closed space are connected to form a negative pressure environment. The blood collection needle only needs to puncture a very shallow area The skin, with the assistance of negative pressure, can achieve the required blood collection volume. After the finger releases the locking structure, the connected air hole can eliminate the negative pressure state and complete the blood collection process. This article provides two embodiments, one is a reusable negative pressure painless blood collection device, and the other is a disposable negative pressure painless blood collection device.
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Description

technical field

[0001] The invention relates to the technical field of human body trace blood collection in medical equipment, in particular, a vacuum device is used to assist blood collection, which can be used in medical institutions and households, such as the daily blood sugar measurement of diabetics. Background technique

[0002] Blood collection devices are widely used in medical diagnosis and family personal blood glucose testing. Blood collection devices on the market generally use ejection blood collection needles to puncture the fingertips to collect blood, and the fingertips feel many nerves, which easily bring pain to the patient. Especially for diabetics, blood sugar needs to be monitored frequently. The pain in the blood collection process makes patients unwilling to test blood sugar, making blood sugar control more difficult.

[0003] When the ordinary ejection blood collection needle punctures the skin of the finger, it must be pierced to a certain depth to...

Claims

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