Micro needle-shaped electrode for identifying arteries and veins in operation

A micro-needle and arteriovenous technology, applied in the medical field, can solve problems such as arteriovenous identification difficulties, affecting surgical results, and arterial puncture by mistake, so as to reduce surgical accidental injuries and improve postoperative effects

Pending Publication Date: 2021-10-19
广东省计划生育科学技术研究所
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a micro-needle electrode for identifying arteriovenous during operation, which has the advantages of effectively identifying arteriovenous, and solves the difficulty in iden

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] For normal adult monkeys, the blood sample saturation values ​​of the large artery, medium artery, and small artery; Measure 2 large veins, 2 medium veins, and 2 small veins, surgically dissect the spermatic veins, measure each vein and artery, measure the blood oxygen saturation of each arterial vein, statistically analyze the difference between the arteries and veins, and count the arterial average The difference between the measured value and the average value of the vein, judge whether the measured value is comparable and overlapping, and calculate the degree of discrimination; part of the left renal vein is ligated, resulting in varicose vein animal model, the measured value of the blood sample saturation of the large artery, medium artery, and small artery, the large Blood sample saturation measurement of veins, medium veins, and small veins, respectively measuring 2 large arteries, 2 medium arteries, and 2 small arteries, and simultaneously measuring 2 large veins...

Embodiment 2

[0035] In embodiment one, add following steps again:

[0036] In the normal control group, the total number of normal adult monkeys used was 2.

[0037] For normal adult monkeys, the blood sample saturation values ​​of the large artery, medium artery, and small artery; Measure 2 large veins, 2 medium veins, and 2 small veins, surgically dissect the spermatic veins, measure each vein and artery, measure the blood oxygen saturation of each arterial vein, statistically analyze the difference between the arteries and veins, and count the arterial average The difference between the measured value and the average value of the vein, judge whether the measured value is comparable and overlapping, and calculate the degree of discrimination; part of the left renal vein is ligated, resulting in varicose vein animal model, the measured value of the blood sample saturation of the large artery, medium artery, and small artery, the large Blood sample saturation measurement of veins, medium ...

Embodiment 3

[0039] In embodiment two, add following steps again:

[0040] In the varicose vein model group, the total number of varicose vein animal models used is 5 adult monkeys.

[0041] For normal adult monkeys, the blood sample saturation values ​​of the large artery, medium artery, and small artery; Measure 2 large veins, 2 medium veins, and 2 small veins, surgically dissect the spermatic veins, measure each vein and artery, measure the blood oxygen saturation of each arterial vein, statistically analyze the difference between the arteries and veins, and count the arterial average The difference between the measured value and the average value of the vein, judge whether the measured value is comparable and overlapping, and calculate the degree of discrimination; part of the left renal vein is ligated, resulting in varicose vein animal model, the measured value of the blood sample saturation of the large artery, medium artery, and small artery, the large Blood sample saturation meas...

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Abstract

The invention discloses a micro needle-shaped electrode for identifying arteries and veins in an operation. The micro needle-shaped electrode comprises the following steps: measuring blood sample saturation values of main arteries, middle arteries and small arteries of normal adult monkeys; measuring blood sample saturation values of main veins, middle veins and small veins, respectively measuring two main arteries, two middle arteries and two small arteries; simultaneously measuring two main veins, two middle veins, two small veins, surgically anatomizing spermatocordia veins; measuring each vein and artery, measuring the blood oxygen saturation degree of each artery and vein, and statistically analyzing arterial and venous differences, and counting the difference between the artery average value and the vein average value, and judging whether the measured value has comparability and overlapping. According to the micro needle-shaped electrode designed according to the arteriovenous blood oxygen saturation degree principle, arteries and veins can be effectively distinguished in an operation by noninvasively detecting the blood oxygen saturation degree in a blood vessel, the micro needle-shaped electrode is used for distinguishing arteries and veins in a varicocele operation, operation accidental injuries can be effectively reduced, and the postoperative effect can be effectively improved.

Description

technical field [0001] The invention relates to the field of medical technology, in particular to a micro-needle electrode for identifying arteries and veins during operation. Background technique [0002] In surgery such as varicocele surgery, the identification of arteries and veins is sometimes very difficult, resulting in false ligation of arteries, incomplete ligation of veins will affect the surgical effect or cause surgical complications such as testicular atrophy. Applicants use the principle of arteriovenous oxygen saturation It is an international initiative to design a micro-needle electrode that can detect blood oxygen saturation in blood vessels non-invasively and effectively distinguish arteries and veins during surgery. Contents of the invention [0003] The purpose of the present invention is to provide a micro-needle electrode for identifying arteriovenous during operation, which has the advantages of effectively identifying arteriovenous, and solves the d...

Claims

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Application Information

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IPC IPC(8): A61B5/145
CPCA61B5/14542A61B5/489
Inventor 唐运革张欣宗刘武江
Owner 广东省计划生育科学技术研究所
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