JPH0871048A - Pulse wave detecting apparatus and its band - Google Patents

Abstract

PURPOSE: To obtain a pulse wave detecting apparatus which is movable and freely adjustable to the position of the radial artery of an arm and ensures both dustproof and waterproof properties. CONSTITUTION: A pulse wave detecting means 39 for detecting a pulse wave, a pulse wave signal conducting means 38 for conducting an output signal related to the pulse wave detected by the pulse wave detecting means 39 and the first conductive elastic member 33 being brought into contact with the pulse wave conducting means 38 and being deformed in such a way that only a part being loaded by a specified pressure becomes conductive, are provided. In addition, a pulse wave signal circuit conducting means 32 wherein a signal related to the pulse wave conducted by the first conductive elastic member 33 is input and conducted, a pulse wave operating circuit 31 wherein the signal related to the pulse wave conducted by the pulse wave signal circuit conducting means 32 is input and operation on the pulse wave is performed and a displaying means 30 for displaying an information related to the pulse wave output by the pulse wave operating circuit 31, are provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pulse wave detecting device for detecting a pulse wave provided on a radial artery of the wrist.

[0002]

2. Description of the Related Art A sectional view of a conventional pulse wave detecting device is shown in FIG.
Shown in In FIG. 13, the band 1 has a hollow portion. The band 1 elastically deforms. Board 12
Are arranged in the hollow portion of the band 1. The sensor 11 is attached to the tip of the substrate 12. The lead wire 14 is the main body 1
Insert the hole on the side of 3. Sensor 11 on substrate 12
The free end is connected to the lead wire 14. Sensor 1
1 is slidable with the slit of the band 1 as a guide. For example, Japanese Patent Application Laid-Open No. 4-129527 discloses such a conventional structure.

[0003]

However, in the conventional pulse wave detecting device, when the position of the sensor is aligned with the radial artery of the wrist, dust and water resistance are ensured by the fit between the slit at the tip of the band and the substrate. Have secured. Therefore, it is difficult to secure a dustproof property and a waterproof property and have a slidable structure. There is also a problem in that it is difficult to ensure the durability of the slit portion, considering the operating force required for sliding. Therefore, an object of the present invention is to secure dustproofness and waterproofness and to improve durability in a pulse wave detection device in order to solve such a conventional problem.

[0004]

In order to solve the above-mentioned problems, the present invention provides a pulse wave detecting means for detecting a pulse wave and a pulse for conducting an output signal relating to the pulse wave detected by the pulse wave detecting means. Wave signal conducting means, a first conductive elastic member that contacts the pulse wave signal conducting means and is deformed so that only a portion to which a predetermined pressure is applied becomes conductive, and a pulse wave in which the first conductive elastic member conducts A pulse wave signal circuit conducting means for inputting a signal relating to the pulse wave, and a pulse wave calculating circuit for calculating a pulse wave by inputting a signal relating to the pulse wave conducted by the pulse wave signal circuit conducting means;
And a display unit for displaying information about the pulse wave output from the pulse wave calculation circuit.

[0005]

FIG. 1 is a functional block diagram showing a first example of a typical configuration of the pulse wave detecting device of the present invention. In FIG. 1, pulse wave detecting means 39 detects a pulse wave. The pulse wave signal conducting means 38 conducts the output signal relating to the pulse wave. The first conductive elastic member 33 is deformed so that only a portion to which a predetermined pressure is applied becomes conductive.

The first conductive elastic member 33 contacts the pulse wave signal conducting means 38. The pulse wave signal circuit conducting means 32 is
A signal relating to the pulse wave conducted by the first conductive elastic member 33 is input and conducted. The pulse wave calculation circuit 31 inputs a signal relating to the pulse wave conducted by the pulse wave signal circuit conducting means 32 and calculates the pulse wave. The display unit 30 displays information about the pulse wave output from the pulse wave calculation circuit 31.

FIG. 2 is a functional block diagram showing a second example of a typical configuration of the pulse wave detecting device of the present invention. The ground signal conducting means 41 is connected to the ground side of the pulse wave detecting means 39 for detecting the pulse wave. . The configuration of the portion other than the ground signal conducting means 41 for conducting the ground signal to the pulse wave calculation circuit 31 is the same as the functional block diagram showing the first example shown in FIG.

FIG. 6 is a functional block diagram showing a third example of a typical configuration of the pulse wave detecting device of the present invention. In FIG. 6, the second conductive elastic member 43 is in contact with the ground side of the pulse wave detecting means 39 for detecting the pulse wave. The second conductive elastic member 43 is deformed so that only a portion to which a predetermined pressure is applied becomes conductive. Ground signal circuit conduction means 4
2 receives the ground signal that the second conductive elastic member 43 conducts, and conducts it to the pulse wave calculation circuit 31. The configuration of the part other than having the ground signal circuit conducting means 42 is shown in FIG.
It is the same as the functional block diagram showing the first example shown in FIG.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. (1) First Embodiment FIG. 3 is a component configuration diagram showing a first embodiment of the pulse wave detection device of the present invention. FIG. 4 is a sectional view showing the first embodiment of the configuration of the pulse wave detecting device of the present invention.

In FIGS. 3 and 4, the sensor diaphragm 9 is used.
Then, the piezoelectric element 9a is fixed by adhesion. The sensor case 4 guides the sensor diaphragm 9. The sensor case 4 is
Guide the insulating member 5. The insulating member 5 guides the conducting member A6. The conduction terminal 8 is electrically connected to the piezoelectric element 9a. The conduction terminal 8 is guided by the protruding portion 6a of the conduction member A6.
The conduction member A6 and the conduction terminal 8 overlap the band 1.

The sensor diaphragm 9 detects a pulse wave. The conduction terminal 8 conducts a signal relating to the detected pulse wave. The first pressure-sensitive conductive elastic member 3 is provided on the band 1 by adhesion or molding. The first pressure-sensitive conductive elastic member 3 is deformed so that only a portion to which a predetermined pressure is applied becomes conductive. The first pressure-sensitive conductive elastic member 3 is made of, for example, pressure-sensitive conductive rubber and zebra rubber. The first conductive elastic member 33 contacts the conductive member A6.

The first conductive plate 2 is formed inside the band 1 by insert and outsert. The first conductive plate 2 is connected to the lead terminal A 214 by welding or the like. Then, the circuit block 202 is connected to the lead terminal A 214.
The circuit block 202 inputs a signal relating to a pulse wave and performs calculation. The display element 201, for example, a liquid crystal panel displays information regarding the pulse wave processed by the circuit block 202.

The ground signal side of the sensor diaphragm 9 is electrically connected to the ground side electrode of the piezoelectric element 9a. The sensor case 4 guides and fixes the sensor diaphragm 9. The conducting member B7 is fixed to the sensor case 4 by driving.
The second conduction plate 22 contacts the conduction member B7. The lead terminal A 215 is connected to the second conductive plate 22 by welding or the like. The lead terminal A 215 conducts a ground signal to the circuit block 202. The sensor fixed body 10 is provided in the sensor case 4. The concave portion 4a of the sensor case 4 is incorporated in the convex portion 10a of the sensor fixing body 10. Sensor fixed body 1
For 0, the band 1 is sandwiched and fixed.

(2) Second Embodiment FIG. 5 is a partial plan view showing a second embodiment of the band of the pulse wave detecting device of the present invention. In FIG. 5, the first conducting plate 2 and the second conducting plate 22 are formed on the band 1 by insert or outsert. Conducting member A6 and conducting member B
7 is electrically connected to the first conductive plate 2 and the second conductive plate 22, respectively. The first conducting plate 2 and the second conducting plate 22 are provided on a part of the band 1 in the direction of contacting the conducting members A6 and B7.
The window portion 1b is formed so that the can be seen. Then, the first pressure-sensitive conductive elastic member 3 is deformed so that only a portion to which a predetermined pressure is applied becomes conductive. The first pressure-sensitive conductive elastic member 3 is
It is provided by adhesion or molding at the position of the window portion 1b so as to come into contact with the first conduction plate 2.

(3) Third Embodiment FIG. 7 is a functional block diagram showing a third embodiment of the pulse wave detecting device of the present invention. FIG. 8 is a sectional view showing a third embodiment of the pulse wave detecting device of the present invention. Hereinafter, in FIG. 7 and FIG. 8, only the differences from the first embodiment of the present invention will be described.
The sensor case 4 guides and fixes the sensor diaphragm 9. The conducting member B7 is fixed to the sensor case 4 by driving.

The second pressure-sensitive conductive elastic member 23 is used for the band 1
It has the property of conducting electricity when pressure is applied inside. The second pressure-sensitive conductive elastic member 23 is made of, for example, pressure-sensitive conductive rubber and zebra rubber. The second pressure-sensitive conductive elastic member 23 is provided on the band 1 by adhesion or molding.
The second conductive plate 22 contacts the second pressure-sensitive conductive elastic member 23. The lead terminal A 215 is connected to the second conductive plate 22 by welding or the like.

The second conductive plate 22 and the lead terminal A215
Conducts a ground signal to the circuit block 202. The protruding shape 1 a of the band 1 is provided at a position surrounding the first pressure-sensitive conductive elastic member 3. The protruding shape 1 a of the band 1 contacts the insulating member 5.

(4) Fourth Embodiment FIG. 9 is a partial plan view of a fourth embodiment of the band of the pulse wave detecting device of the present invention. In FIG. 9, the first conducting plate 2 and the second conducting plate 22 are formed on the band 1 by insert, outsert or the like. Conducting member A6 and conducting member B7
Conducts with the first conducting plate 2 and the second conducting plate 22.

The first pressure-sensitive conductive elastic member 3 is deformed so that only a portion to which a predetermined pressure is applied becomes conductive. The first pressure-sensitive conductive elastic member 3 contacts the first conductive plate 2. The first pressure-sensitive conductive elastic member 3 includes a conductive member A6 and a conductive member B7.
It is provided by adhesion or molding on a part of the band 1 in the direction of contacting with. The second pressure-sensitive conductive elastic member 23 has the same characteristics as the first pressure-sensitive conductive elastic member 3. The second pressure-sensitive conductive elastic member 23 is provided at a position where it contacts the second conductive plate 22,
Provided by adhesion or molding. Band 1 protrusion shape 1
a is formed at a position surrounding the first pressure-sensitive conductive elastic member 3.

(5) Fifth Embodiment FIG. 10 is a sectional view of a fifth embodiment of the pulse wave detecting device of the present invention. Hereinafter, in FIG. 10, only the differences from the third embodiment of the present invention will be described. In FIG. 10, a protrusion 5 a is provided on the insulating member 5. The protrusion 5a is formed at a position surrounding the conductive member A6. The protrusion 5a is formed by the first pressure-sensitive conductive elastic member 3
Contact with.

(6) Sixth Embodiment FIG. 11 is a sectional view showing a sixth embodiment of the band with the pulse wave detecting device of the pulse wave detecting device of the present invention. In FIG. 11, the first pressure-sensitive conductive elastic member 3 is deformed so that only a portion to which a predetermined pressure is applied becomes conductive. The first pressure-sensitive conductive elastic member 3 contacts the first conductive plate 2. The first pressure-sensitive conductive elastic member 3 is provided on a part of the band 1 by adhesion or molding.

The first pressure-sensitive conductive elastic member 3 is a conductive member A.
6 contacts. The sensor diaphragm 9 and the piezoelectric element 9a come into contact with the radial artery of the wrist of the wearer of the pulse wave detecting device of the present invention. The signal relating to the pulse wave due to the change in pulse pressure output from the sensor diaphragm 9 and the piezoelectric element 9a is conducted to the conducting member A6 via the conducting terminal 8.

The sensor fixed body 10 is supported by the sensor case 4. The sensor fixture 10 can be moved along the band 1. Therefore, the positions of the sensor diaphragm 9 and the piezoelectric element 9a can be adjusted on the radial artery of the wrist. The lead terminal A214 is connected to the first conductive plate 2 by welding or the like. The circuit block 202 is provided inside the main body 13. The lead terminal A 214 is the circuit block 202.
And conduct.

FIG. 12 is an external view showing a display of the pulse wave detecting device of the present invention. A signal related to the pulse wave obtained from the radial artery of the wrist is calculated by a circuit block (not shown) provided inside the main body 13 via the band 1, and information about the pulse wave is displayed on a display element, for example, the liquid crystal panel 201. ,indicate.

[0025]

As described above, the present invention has a pulse wave detecting means for detecting a pulse wave, and a pulse wave signal conducting means for conducting an output signal relating to the pulse wave detected by the pulse wave detecting means, By inputting a signal relating to a pulse wave in which the first conductive elastic member is in conduction, the first conductive elastic member is deformed so that only the portion which is in contact with the pulse wave signal conduction means and is applied with a predetermined pressure is in conduction. Pulse wave signal circuit conducting means that conducts, pulse wave arithmetic circuit that inputs a signal relating to the pulse wave conducted by the pulse wave signal circuit conducting means to calculate the pulse wave, and information regarding the pulse wave output by the pulse wave arithmetic circuit Since it is configured to have a display means for displaying, the following effects are obtained. (1) When the pulse wave detection device is moved to the position of the radial artery of the arm and arbitrarily adjusted, dustproofness and waterproofness can be ensured. (2) To realize a highly durable pulse wave detection device and its band and band with a pulse wave detection device.

[Brief description of drawings]

FIG. 1 is a functional block diagram showing a first example of a typical configuration of a pulse wave detection device of the present invention.

FIG. 2 is a functional block diagram showing a second example of a typical configuration of the pulse wave detection device of the present invention.

FIG. 3 is a component configuration diagram showing a first embodiment of the pulse wave detection device of the present invention.

FIG. 4 is a sectional view showing a first embodiment of the configuration of the pulse wave detection device of the present invention.

FIG. 5 is a partial plan view showing a second embodiment of the band of the pulse wave detecting device of the present invention.

FIG. 6 is a functional block diagram showing a third example of a typical configuration of the pulse wave detection device of the present invention.

FIG. 7 is a functional block diagram showing a third embodiment of the pulse wave detecting device of the present invention.

FIG. 8 is a sectional view showing a third embodiment of the pulse wave detecting device of the present invention.

FIG. 9 is a partial plan view of a fourth embodiment of the band of the pulse wave detecting device of the present invention.

FIG. 10 is a sectional view of a fifth embodiment of the pulse wave detecting device of the present invention.

FIG. 11 is a sectional view showing a sixth embodiment of the pulse wave detecting device band of the pulse wave detecting device of the present invention.

FIG. 12 is an external view showing a display of the pulse wave detection device of the present invention.

FIG. 13 is a cross-sectional view of a conventional pulse wave detection device.

[Explanation of symbols]

 1 band 2 first conductive plate 3 first pressure-sensitive conductive elastic member 4 sensor case 5 insulating member 6 conductive member A 7 conductive member B 8 conductive terminal 9 sensor diaphragm 10 sensor fixing body 11 sensor 12 substrate 13 body 14 lead wire 22 Second Conductive Plate 23 Second Pressure Sensitive Conductive Elastic Member 30 Display Means 31 Pulse Wave Calculation Circuit 32 Pulse Wave Signal Circuit Conducting Means 33 First Conductive Elastic Member 38 Pulse Wave Signal Conducting Means 39 Pulse Wave Detecting Means 41 Ground Signal conducting means 42 Ground signal circuit conducting means 43 Second conductive elastic member 201 Display element 202 Circuit block 214 Lead terminal A 215 Lead terminal B 1a Projecting shape 1b Window portion 4a Recess 5a Protrusion 6a Projection 9a Piezoelectric element 10a Convex portion

Claims (8)

[Claims] 1. A pulse wave detecting device for detecting a pulse wave, which is provided on a radial artery of a wrist, and detects a pulse wave by a pulse wave detecting means (39) and a pulse wave detecting means (39). A pulse wave signal conducting means (38) for conducting an output signal relating to a pulse wave, and a first conductive material which is in contact with the pulse wave signal conducting means (38) and is deformed so that only a portion to which a predetermined pressure is applied becomes conductive. Pulse wave signal circuit conduction means (32) for inputting a signal related to a pulse wave conducted between the elastic member (33) and the first conductive elastic member (33) to conduct the pulse wave signal circuit.
And a pulse wave calculation circuit (3) for calculating a pulse wave by inputting a signal relating to the pulse wave conducted by the pulse wave signal circuit conducting means (32).
1. A pulse wave detecting device comprising: 1) and a display means (30) for displaying information on a pulse wave output from a pulse wave calculation circuit (31). 2. The pulse wave detecting device according to claim 1, further comprising ground signal conducting means (41) which is connected to the ground side of the pulse wave detecting means (39) and conducts a ground signal to the pulse wave calculating circuit (31). . 3. A second conductive elastic member (43) provided on the ground side of the pulse wave detecting means (39) and deformed so that only a portion to which a predetermined pressure is applied becomes conductive, and a second conductive material. Signal circuit conducting means (42) for inputting and conducting a ground signal that the elastic member (43) conducts
The pulse wave detecting device according to claim 1, which further comprises: 4. A first conductive elastic member (33), which is in contact with the pulse wave signal conducting means (38) and is deformed so that only a portion to which a predetermined pressure is applied becomes conductive, and a first conductive elastic member. A pulse wave signal circuit conducting means (32) for conducting by inputting a signal relating to the pulse wave conducted by the member (33)
A band of a pulse wave detecting device, comprising: 5. A pulse wave detecting means (3) for detecting a pulse wave
9), the pulse wave signal conducting means (38) for conducting the output signal relating to the pulse wave detected by the pulse wave detecting means (39), and the pulse wave signal conducting means (38), and a predetermined pressure was applied. A first conductive elastic member (33) that is deformed so that only a portion is conductive, and a pulse wave signal circuit conductive means that inputs a signal related to a pulse wave that the first conductive elastic member (33) is conductive to conduct. (32)
A band of a pulse wave detecting device, comprising: 6. A band is provided with a first conductive elastic member (33) which comes into contact with the pulse wave signal conducting means (38) and is deformed so that only a portion to which a predetermined pressure is applied becomes conductive. The pulse wave detection device according to claim 1. 7. A first conductive elastic member (33) which is provided with a protruding shape on the band and which is brought into contact with the pulse wave signal conducting means (38) and deforms so that only a portion to which a predetermined pressure is applied conducts.
The pulse wave detecting device according to claim 1, wherein the pulse wave detecting device is arranged in a position surrounding the pulse wave signal conducting means (38) so as to come into contact with an insulating member for guiding the pulse wave signal conducting means (38). 8. An insulating member guided by a sensor case provided so as to overlap the band, a part of which is provided at a position surrounding the pulse wave signal conducting means (38), and a first conductive elastic member (3) is provided.
The pulse wave detection device according to claim 1, wherein the pulse wave detection device is configured so as to come into contact with the pulse wave detector.