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Implanted biosensor

A biosensor and implantable technology, applied in the field of biosensors, can solve the problems of affecting the service life of the sensor, affecting the test accuracy of the sensor, and the distance between the two poles, etc., and achieve the effects of small size, simple and compact structure, and low cost.

Active Publication Date: 2011-05-18
SINOCARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this patent solves the problems in the prior art that implantable sensors need to be implanted into the human body with the help of a trocar, there are some shortcomings in this patent: for example, the distance between the two poles is far away, and the relative area of ​​the positive and negative electrodes is relatively small, which will affect the sensor test. Accuracy, more importantly, the surface active substance of the positive electrode is in direct contact with the tissue fluid, and macromolecular proteins are easily aggregated on the surface of the positive electrode, which affects the service life of the sensor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Embodiment 1: as figure 1 , figure 2 , image 3 , Figure 4 and Figure 5 As shown, the implantable biosensor of the present invention includes a sensor probe 1 made up of a first electrode assembly 5 and a second electrode assembly 4, the first electrode assembly 5 and the second electrode assembly 4 are connected by wires, and the first electrode The assembly 5 and the second electrode assembly 4 are fixed on a handle 2, and the handle 2 is provided with a socket 7 connected to the external wire 3, which is convenient for the signal transmission between the first electrode assembly 5 and the second electrode assembly 4 and the external instrument, and through It transmits the signal to the corresponding detection device. An adhesive plaster layer is arranged below the handle 2, and the material should be medical hypoallergenic adhesive plaster. The first electrode assembly 5 is needle-shaped, and the second electrode assembly 4 is tubular. The first electrode as...

Embodiment 2

[0040] Embodiment 2: The structure and working principle of this embodiment and Embodiment 1 are basically the same, and the difference is that: Figure 6 As shown, a reference electrode 8 can also be installed in the tubular second electrode assembly 4, and the reference electrode 8 can be a platinum wire with a purity of more than 99.9% or a stainless steel wire sputtered on the surface and plated with a layer of platinum black. The electrode 8 plays the role of stabilizing the voltage during the test, which is beneficial to obtain more accurate data for a long time test.

Embodiment 3

[0041] Embodiment 3: The structure and working principle of this embodiment and Embodiment 1 are basically the same, and the difference is that: if Figure 8 As shown, the biosensing layer 52 is disposed on the inner tube wall of the second electrode assembly 4; as Figure 7 As shown, the silver or silver chloride layer 42 is disposed on the metal core 51 of the first electrode assembly 5 .

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Abstract

The invention discloses an implanted biosensor. The implanted biosensor comprises a sensor probe composed of a first electrode component and a second electrode component, which are connected by a conducting wire. The first electrode component is sleeved in the second tubular electrode component. The tube wall of the second electrode component is provided with more than one micropore. The inventionis the implanted biosensor that has a simple and compact structure, small volume, good stability, high measurement precision and long service life.

Description

technical field [0001] The invention mainly relates to the field of biosensors in medical equipment, in particular to an implanted biosensor. Background technique [0002] Portable diagnostic medical devices that combine biosensing technology and microelectronics have improved the quality of life for countless people. In the past, most patients had to endure pain and inconvenience to go to the hospital or clinic to confirm their condition. Now they can use portable testing equipment to monitor their condition comfortably at home. [0003] Nevertheless, the field of biosensors is still facing great challenges, for example: the single gap sensor needs to puncture the fingertip when taking blood samples, which will bring some pain to the patient; Affected by many factors, its instantaneous concentration is unpredictable under the influence of various factors such as ambient temperature, diet type, emotional change, physical activity and personal physiological metabolic rate, s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/00
Inventor 魏巧龙车宏莉
Owner SINOCARE