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Measurement device and sensor placement method

A measurement device and sensor technology, applied in sensors, diagnostic recording/measurement, medical science, etc., can solve problems such as inability to perform continuous measurement and heavy burden on patients

Active Publication Date: 2012-09-12
ARKRAY INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the conventional measurement of blood sugar level, it is necessary to puncture the body of the patient with an instrument called a lancet for each measurement, and then collect the blood, which has the problem of a heavy burden on the patient, and there is a problem that continuous measurement cannot be performed. question

Method used

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  • Measurement device and sensor placement method
  • Measurement device and sensor placement method
  • Measurement device and sensor placement method

Examples

Experimental program
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Embodiment approach 1

[0053] Below, refer to Figure 1 ~ Figure 3 The measurement device and sensor placement method in Embodiment 1 of the present invention will be described. First, use figure 1 The configurations of the measurement device 1 and the sensor unit 2 in the first embodiment will be described. figure 1 It is a perspective view showing the configuration of the measurement device and the sensor unit in Embodiment 1 of the present invention.

[0054] figure 1 The shown measurement device 1 is a device for measuring numerical information on substances contained in body fluids in the body. Such as figure 1 As shown, the measurement device 1 includes a sensor unit 2 and a control unit 3 . In addition, examples of body fluids in the body include interstitial fluid, blood, plasma, and the like. Also, "in vivo" in this specification includes "subcutaneous" under the surface of the skin.

[0055] The sensor unit 2 includes a base 10 , a variable mechanism 11 and a sensor 15 . Among ...

Embodiment approach 2

[0088] Below, refer to Figure 6 and Figure 7 The measurement device and sensor placement method in Embodiment 2 of the present invention will be described. First, the first example in Embodiment 2 will be described. Figure 6 It is a perspective view showing the structure of the first example of the sensor unit in Embodiment 2 of the present invention.

[0089] Such as Figure 6 As shown, the sensor unit 20 in the first example of the second embodiment is different from that in the first embodiment in terms of the structure of the variable mechanism 21 figure 1 The sensor unit 2 shown is different. The variable mechanism 21 includes: a rotating member (rotating shaft) 22 formed in a shaft shape; and a holding member 23 that holds the rotating member 22 rotatably.

[0090] The holding member 23 includes a plate-shaped portion 23c and a pair of portions 23a and 23b protruding perpendicularly from the plate-shaped portion 23c. And, the holding member 23 holds both ends o...

Embodiment approach 3

[0101] Below, refer to Figure 8 ~ Figure 10 The measurement device, the sensor unit, and the sensor placement method using these measurement devices and sensor units in Embodiment 3 of the present invention will be described. First, use Figure 8 The configuration of the sensor unit 30 in Embodiment 3 will be described. Figure 8 It is a perspective view showing the structure of the sensor unit in Embodiment 3 of the present invention, Figure 8 (a) shows the state after the sensor is removed, Figure 8 (b) shows the state where the sensor is attached.

[0102] Such as Figure 8 (a) and Figure 8 As shown in (b), the sensor unit 30 includes a variable mechanism 31 . and the variable mechanism 21 shown in the first example of Embodiment 2 (refer to Figure 6 ) Similarly, the variable mechanism 31 includes a rotating member 32 and a holding member 33 that holds the rotating member 32 rotatably.

[0103] with retaining part 23 (refer to Figure 7 ) Similarly, the holdin...

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Abstract

Provided are a measurement device, a sensor unit, and a sensor placement method using those, which enable the suppression of the occurrence of a situation in which when a measurement is carried out with a sensor implanted under the skin, the implanted sensor becomes faulty. A sensor unit (2) is used for measuring numerical information relating to a substance contained in a body fluid in a body. The sensor unit (2) is provided with a sensor (15) a part of which is placed under the skin and generates a signal according to the state of the substance, a base (10) which is disposed on the skin and holds the sensor (15), a variable mechanism (11) which is attached to the base (10) and enables the position and / or the direction of the sensor (15) with reference to the base (10) to be varied, and an external terminal (12) which is provided in the base (10) and leads the signal generated by the sensor (15) to the outside.

Description

technical field [0001] The present invention relates to a measurement device and a sensor placement method for measuring numerical information related to substances contained in interstitial fluid or blood, particularly glucose concentration. Background technique [0002] In the conventional measurement of blood sugar level, it is necessary to puncture the body of the patient with an instrument called a lancet for each measurement, and then collect the blood, which has the problem of a heavy burden on the patient, and there is a problem that continuous measurement cannot be performed. question. In order to solve these problems, a method called CGM (Continuous Glucose Monitoring: Continuous Glucose Monitoring) has been proposed in recent years, which continuously measures the glucose concentration in the subcutaneous tissue. [0003] In CGM, a sensor is placed so that a part thereof is buried under the skin of a patient, and a signal such as a current value corresponding to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/1486
CPCA61B5/14532A61B5/1486A61B5/7207A61B2560/063A61B5/157A61B5/1427
Inventor 塚田理志日下靖英山本明广
Owner ARKRAY INC
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