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Micro needle micro blood collector

A blood collection and needle technology, which is applied in the field of micro-needle micro blood collection devices to achieve the effects of convenient and accurate diagnosis, short heating time and high activity

Inactive Publication Date: 2006-08-23
上海纳晶科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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  • Micro needle micro blood collector
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Embodiment Construction

[0013] The present invention will be further described below in conjunction with the accompanying drawings, and the present invention is relatively clear to those skilled in the art.

[0014] The microneedles in the present invention are metal microneedles made by electroplating or silicon microneedles made by deep etching of silicon. It is emphasized that the microneedles using these two materials mainly have relatively high thermal conductivity, and the macromolecule Microneedles are relatively lower.

[0015] Under the action of the blood collection drive system, the blood flows into the connecting tube through the microneedle, and then enters the blood collection device. A micro heating device is added near the microneedle dedicated for blood collection, and a temperature measuring range is connected to the heating device. 20 ℃ ~ 80 ℃ temperature measuring device, such as platinum resistance, so that the use temperature of the microneedle is controlled at about 40 ℃ before...

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Abstract

The present invention relates to medical microelectromechanical system technology, and is especially one micro needle micro blood collector. The micro needle micro blood collector includes micro needles, a support pedestal, a heater, a connecting pipe and a blood collection driving system. The micro needles are inserted to the support pedestal to form a 3*3 mm over micro needle array, the connecting pipe connects the bottom of the micro needle array and the blood collection driving system, and the heater is set one the connecting pipe in the place near the pedestal. Compared with available technology, the present invention has heat conducting to the micro needles and its support pedestal, need of very low safe voltage and short heating time, and high activity of collected blood for accurate diagnosis.

Description

[technical field] [0001] The invention relates to the technical field of medical micro-electro-mechanical systems, in particular to a micro-needle micro-blood collection device. [Background technique] [0002] Trace body fluid collection is one of the essential links in daily medical treatment for disease detection. At present, needles are generally used to pierce the skin tissue and then squeezed. This kind of collection often causes pain for patients, especially for pediatric blood tests. This problem is particularly prominent. For diabetic patients who need frequent blood glucose monitoring, although the needle tip provided is already very thin, it is used to distribute to diabetic patients for self-testing of blood glucose monitoring. In addition to easily causing pain to the patient, this method may also cause the invasion of germs and cause infection due to skin trauma. [0003] Recently, more and more people pay attention to the use of microneedles for painless inje...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/15
Inventor 王连卫汪潇陈晓明孙卓
Owner 上海纳晶科技有限公司