Testing apparatus and method for detecting concentration of hypodermal substance without percutaneous wound
A test device and substance concentration technology, applied in biological testing, material inspection products, etc., can solve the problem that patients cannot bear the pain of frequent acupuncture and cannot be realized.
Inactive Publication Date: 2007-07-04
INST OF ELECTRONICS CHINESE ACAD OF SCI
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Problems solved by technology
If the traditional method of taking blood to detect blood sugar concentration is followed, it will make it difficult for many patients to bear the pain of frequent acupuncture, resulting in real-time detection to facilitate timely control of blood sugar concentration.
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[0022] See Figure 1 and Figure 2. The test device of the present invention is divided into upper and lower parts with the skin of the test object as the boundary. The upper part is the container for sampling and testing, and the subcutaneous part is the container for the tested part. The two parts are connected. Flanging is provided at each place, and there are holes 10 corresponding to each other on the flanging. Through the bolt 11, the nut 12 and the hole 10, the upper and lower parts can be connected and fastened.
[0023] There are two independent through holes 2 and 3 on the skin, which are the positive and negative electrode chambers;
[0024] The subcutaneous part is a hollow main cylinder 1, the main cylinder 1 is sealed at the lower mouth, and the upper mouth has two independent through holes 2a, 3a, the position and size of which are independent of the upper part of the two through holes 2, 3 is suitable; the main cylinder 1 has a small hole on one side wall and is seal...
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Abstract
The invention discloses a test device and method for detecting the subcuttaneous substance concentration without hurt, the invention uses the ionizing penetration principle to detect the concentration of subcutaneous target substance of people or animal without hurt, the test device consists of upper and lower parts whose boundary is skin, the epitrichium is sampling and detecting part, and the subcuttaneous is the part to be detected. Using the test device, certain substance in the subcuttaneous liquid is cramped out to the surface of skin, and the substance cramped out to the surface of skin can be changed follow the change of the substance concentration, and the concentration of subcutaneous target substance of people or animal without hurt can be detected. The most important appliance is that it can detect the concentration change of blood sugar using the ionizing penetration principle without hurt.
Description
Technical field [0001] The invention relates to the technical field of non-traumatic detection, and in particular to a test device and method for percutaneous non-traumatic detection of the concentration of a subcutaneous target substance using the principle of ionization and penetration. Background technique [0002] By applying a constant current on the skin surface, a constant current channel will be formed from the skin surface to the subcutaneous tissue. The current channel between the skin surface and the subcutaneous tissue is realized by the current of charged ions. When the subcutaneous tissue moves to the surface of the skin, it will carry certain substances (such as glucose) in the subcutaneous tissue fluid to the surface of the skin. This is the counter ion extraction method of ionization permeation. [0003] At present, to detect the concentration of certain substances in the subcutaneous tissue, the traditional detection method requires finger prick or venous blood ...
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IPC IPC(8): G01N33/48
Inventor 刘剑蔡新霞刘春秀刘红敏杨庆德姜利英
Owner INST OF ELECTRONICS CHINESE ACAD OF SCI