KR20220076616A - Wrist type apparatus for monitoring blood pressure - Google Patents

Abstract

A wrist-type blood pressure measuring device is disclosed. A wrist-type blood pressure measuring device includes: a strap part provided to be worn around the wrist; a cuff part installed on the strap part and expandable by air injection; a pump for injecting air into the cuff; a sensor unit configured to detect an oscillation signal generated according to a change in pressure of the cuff; a controller for deriving a blood pressure value from the oscillation signal; and a display unit for outputting the derived blood pressure value, wherein a plurality of binding holes may be formed in the strap unit to adjust the degree of adhesion of the strap unit to the user's wrist.

Description

Wrist type blood pressure measuring device {WRIST TYPE APPARATUS FOR MONITORING BLOOD PRESSURE}

The present disclosure relates to a wrist-type blood pressure measuring device.

Recently, due to the stress of modern life and changes in diet, the number of patients showing high blood pressure is increasing, and high blood pressure patients frequently measure their blood pressure in daily life and manage their blood pressure through drug treatment and lifestyle therapy. Conventionally, blood pressure was measured by a medical staff or the user's blood pressure was checked using an automatic blood pressure monitor provided in a hospital. In this regard, Korean Patent Publication No. 10-0679972 discloses a technology for a blood pressure monitor.

However, since the automatic blood pressure monitor used in hospitals is very bulky and expensive, it is difficult to personally equip or carry the blood pressure monitor. Recently, as the size of the blood pressure monitor has been reduced in size, products that can be worn on the user's wrist to measure blood pressure have been released. There were limits to what I could do. Accordingly, there is a demand for the development of a new technology that improves the problems of the prior art.

The technical idea of the present disclosure is to solve the above problems, and an object of the present disclosure is to provide a blood pressure measuring device that is portable and easy to measure blood pressure.

Another object of the present disclosure is to provide a blood pressure measuring device capable of miniaturizing a product by further reducing the thickness of the cuff.

The problems to be solved by the present invention are not limited to the above problems, and other technical problems not mentioned will be clearly understood by those of ordinary skill in the art to which the present invention belongs from the following description.

In order to achieve this object, as an embodiment of the present invention, a wrist-type blood pressure measuring device includes a strap portion provided to be worn around the wrist; a cuff part installed on the strap part and expandable by air injection; a pump for injecting air into the cuff; a sensor unit configured to detect an oscillation signal generated according to a change in pressure of the cuff; a controller for deriving a blood pressure value from the oscillation signal; and a display unit for outputting the derived blood pressure value, wherein a plurality of binding holes may be formed in the strap unit to adjust the degree of adhesion of the strap unit to the user's wrist.

In addition, the wrist-type blood pressure measurement device further includes a housing having an accommodating space therein, wherein the strap part includes: a first strap coupled to one end of the housing; and a second strap coupled to the other end of the housing, wherein a first binding hole for use when not measuring blood pressure is formed at a first point of the first strap, and a second point of the first strap A second binding hole for use when measuring blood pressure is formed in the second strap, a binding member inserted into the first binding hole or the second binding hole for binding is formed, and the second binding hole is the It is formed at a position closer to the housing than the first binding hole, and the binding member is inserted into the second binding hole to secure the maximum compressive force applied to the wrist when blood pressure is measured.

The wrist-type blood pressure measuring device may further include a photoplethysmography (PPG) sensor for measuring oxygen saturation.

In addition, the binding member is formed in a plate shape having a predetermined area, the base attached to one surface of the second strap; a protruding piece protruding from one surface of the base; a binding hole forming protrusion having one end formed at an acute angle so as to penetrate one point of the first strap to form a hole, and capable of screwing with the protruding piece; and an anti-loosening means for preventing the strap from loosening when the first strap and the second strap are fastened, wherein the loosening-preventing means is capable of screwing with the protruding piece and includes a body part having a predetermined length; and an anti-loosening part installed at one end of the body part and having an area larger than the cross-sectional area of the body part, wherein the other surface of the second strap corresponding to the area of one surface to which the base is attached has the base A position fixing groove depressed in the direction of a slide body member having a hollow quadrangular pole structure for; and a body fixing member formed in the same shape as the position fixing groove, wherein the body fixing member may be formed to protrude from one surface of the slide body by a depth at which the position fixing groove is recessed.

A body hole through which the binding hole forming protrusion can pass is formed in the slide body member, and a movement passage is formed in the slide body member and the body fixing member in a vertical direction of the body hole, and the body hole is It may be formed at a position corresponding to the center point of the width of the first strap.

The means for solving the above-described problems are merely exemplary, and should not be construed as limiting the present invention. In addition to the exemplary embodiments described above, there may be additional embodiments described in the drawings and detailed description.

As described above, according to various embodiments of the present invention, since blood pressure is measured while worn on the user's wrist, the measurement is easy and portability is improved.

In addition, according to various embodiments of the present invention, when measuring blood pressure, the pressure applied to the wrist can be maximally secured using the second binding hole, so that the thickness of the cuff can be reduced, thereby contributing to the miniaturization of the product.

Effects according to various embodiments of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a conceptual diagram schematically illustrating a wrist-type blood pressure measuring device according to an embodiment of the present invention.
2 is a block diagram schematically illustrating a configuration included in a housing according to an embodiment of the present invention.
3 is a conceptual diagram schematically illustrating a process in which a binding hole is formed in a first strap in an embodiment of the present invention.
4 is a conceptual diagram schematically illustrating a state in which a wrist-type blood pressure measuring device according to an embodiment of the present invention is worn on a wrist.

A preferred embodiment of the present invention will be described in more detail with reference to the accompanying drawings, but already known technical parts will be omitted or compressed for the sake of brevity of description.

It should be noted that references to "one" or "an" embodiment of the invention herein are not necessarily to the same embodiment, and they mean at least one.

In the following embodiments, terms such as first, second, etc. are used for the purpose of distinguishing one component from another, not in a limiting sense.

In the following examples, the singular expression includes the plural expression unless the context clearly dictates otherwise.

In the following embodiments, terms such as include or have means that the features or components described in the specification are present, and the possibility that one or more other features or components may be added is not excluded in advance.

Since each configuration shown in the drawings is arbitrarily shown for convenience of description, the present invention is not necessarily limited to the illustrated bar.

1 is a conceptual diagram schematically illustrating a wrist-type blood pressure measuring device according to an embodiment of the present invention, and FIG. 2 is a block diagram schematically illustrating a configuration included in a housing according to an embodiment of the present invention, FIG. 3 is a conceptual diagram schematically illustrating a process in which a binding hole is formed in a first strap in an embodiment of the present invention, and FIG. 4 is a wrist-type blood pressure measuring device according to an embodiment of the present invention worn on the wrist. It is a conceptual diagram schematically shown. 1 to 4 , the wrist-type blood pressure measuring device 10 includes a strap unit 100 , a cuff unit 200 , a pump unit 300 , a sensor unit 400 , a control unit 500 , and a display unit ( 600 ), a housing 700 , a PPG sensor 800 , and a guide unit 900 .

The strap part 100 is provided to be worn around the user's wrist 20 , and the strap part 100 has a plurality of binding holes capable of adjusting the degree of adhesion of the strap part 100 to the user's wrist 20 . can be formed. The material of the strap part 100 may be synthetic resin or leather.

In an embodiment, the strap part 100 may include a first strap 110 and a second strap 120 . In addition, the housing 700 has an accommodating space therein, and can accommodate the pump unit 300 , the control unit 500 , the display unit 600 , and the PPG sensor 800 therein.

The first strap 110 is coupled to one end of the housing 700 , and the second strap 120 is coupled to the other end of the housing 700 . A first binding hole 111 for use when not measuring blood pressure is formed at a first point of the first strap 110 . In addition, a second binding hole 112 for use when measuring blood pressure is formed at the second point of the first strap 110 . In an embodiment, the second binding hole 112 may be formed at a position closer to the housing 700 than the first binding hole 111 . That is, the distance between the second binding hole 112 and one end of the housing 700 may be formed to be shorter than the distance between the first binding hole 111 and one end of the housing 700 .

The second strap 120 may have a binding member 121 that is selectively inserted into the first binding hole 111 or the second binding hole 112 to be bound. When the blood pressure measuring device 10 is worn on the user's wrist 20 , the binding member 121 is inserted into the second binding hole 112 so that the binding between the first strap 110 and the second strap 120 is performed. When this is done, since the strap part 100 is strongly in close contact with the user's wrist 20 , the compressive force applied to the wrist 20 can be maximally secured.

The binding member 121 may include a base 1211 , a protruding piece 1212 , a binding hole forming protrusion 1213 , and a loosening preventing means 1214 . The base 1211 may be formed in a plate shape having a predetermined area. In addition, the base 1211 may be attached to the lower surface of the second strap 120 . The protrusion piece 1212 is a protrusion formed to protrude on one surface of the base 1211 , and a screw thread for screw coupling may be formed around the outer circumferential surface of the protrusion piece 1212 .

The binding hole forming protrusion 1213 is screwed with the thread of the protruding piece 1212 and may be coupled to or separated from the protruding piece 1212 by rotation. In addition, one end of the binding hole forming protrusion 1213 may be sharply formed at an acute angle. That is, a hole may be formed by penetrating a point of the first strap 110 using the pointed end of the binding hole forming protrusion 1213 .

The loosening preventing means 1214 may prevent the strap from being loosened when the first strap 110 and the second strap 120 are fastened. In an embodiment, the anti-loosening means 1214 may include a body part 12141 and an anti-loosening part 12142 . The body part 12141 may be screw-coupled to the protruding piece 1212, and may be coupled to or separated from the protruding piece 1212 by rotation. In addition, the body part 12141 may be formed to have a constant length. The anti-loosening part 12142 is formed integrally with the body part 12141 at one end of the body part 12141 and may be formed with a cross-sectional area larger than the cross-sectional area of the body part 12141 . In addition, the area of the anti-loosening part 12142 may be formed to be larger than the area of the first binding hole 111 and the second binding hole 112 .

On the other hand, the other surface of the second strap 120 (ie, the upper surface of the second strap 120) corresponding to the area of the one surface to which the base 1211 is attached (ie, the lower surface of the second strap 120) is fixed in position. The groove 122 may be recessed in the direction of the base 1211 .

The cuff 200 is installed on the lower surface of the second strap 120 and may be applied as an air bag that can be inflated by injection of air. The pump unit 300 may control the cuff unit 200 to expand by injecting air into the cuff unit 200 . The sensor unit 400 may receive the pressure signal of the cuff unit 200 and detect an oscillation signal generated according to a pressure change of the received pressure signal. The control unit 500 may derive an oscillometric blood pressure value from the oscillation signal detected by the sensor unit 400 . In addition, the control unit 500 may control overall operations of the cuff unit 200 , the pump unit 300 , the sensor unit 400 , the display unit 600 , and the PPG sensor 800 .

The display unit 600 is a device that outputs the blood pressure value derived from the control unit 500 , and may output a visual message to the screen.

The PPG sensor 800 includes a light emitting unit for irradiating light and a light receiving unit for sensing the irradiated light, and can measure the user's oxygen saturation. For example, the PPG sensor 800 may calculate the oxygen saturation value by amplifying the PPG signal output from the light receiving unit, removing noise, and converting the PPG signal into a digital signal.

The guide unit 900 is a device capable of sliding movement along the longitudinal direction of the first strap 110 , and may include a slide body member 910 and a body fixing member 920 . In the present specification, the 'length of the first strap' means a length between one end of the first strap coupled to the housing and the other end of the first strap not coupled to the housing, and the 'width of the first strap' is the length of the first strap. Means the width formed in the vertical direction to the length.

The slide body member 910 may be formed in a hollow quadrangular pole structure. When the first strap 110 is inserted into the slide body member 910 , the slide body member 910 may move along the longitudinal direction of the first strap 110 . In addition, a body hole 911 through which the binding hole forming protrusion 1213 can pass may be formed on the upper surface of the slide body member 910 . In one embodiment, the body hole 911 may be formed in a position corresponding to the center point (C) of the width (W) of the first strap (110).

The body fixing member 920 is coupled to the lower surface of the slide body member 910 and may be formed in the same shape as the position fixing groove 122 . For example, the lower surface of the body fixing member 920 and the bottom surface of the position fixing groove 122 may be formed in a rectangular shape.

In addition, the body fixing member 920 may be formed to protrude from one surface of the slide body by the depth at which the position fixing groove 122 is recessed. That is, when the body fixing member 920 is inserted into the position fixing groove 122 so that the lower surface of the body fixing member 920 and the bottom surface of the position fixing groove 122 come into contact with each other, the first strap 110 and the second The strap 120 may be in close contact with each other. The lower surface of the body fixing member 920 and the bottom surface of the position fixing groove 122 are formed in the same shape, and the degree of protrusion of the body fixing member 920 is set to be the same as the depth at which the position fixing groove 122 is depressed. Accordingly, it is possible to stably form the binding hole at a desired point without shaking or twisting the first strap 110 or the second strap 120 when the binding hole is drilled.

In addition, a movement passage P in the vertical direction of the body hole 911 may be formed inside the slide body member 910 and the body fixing member 920 . In another embodiment, since the body fixing member 920 and the base 1211 are formed of magnetic materials having different polarities from each other, the operation of inserting the body fixing member 920 into the position fixing groove 122 can be made more easily.

In one embodiment, if the user uses the binding hole forming protrusion 1213, it is possible to form the binding hole in consideration of the circumference of his/her wrist 20. The process of forming the binding hole with reference to FIGS. 3A and 3B will be described as follows. First, the binding hole forming protrusion 1213 is coupled to the protruding piece 1212, the guide part 900 is coupled to the first strap 110, and the guide part 900 is moved to a desired point by sliding the guide part ( The binding hole forming protrusion 1213 is inserted into the moving passage P of the 900 , and the guide part 900 is pressed downward so that the binding hole forming protrusion 1213 penetrates to the body hole 911 . A binding hole is formed at a specific point of the first strap 110 while the binding hole forming protrusion 1213 is inserted up to the body hole 911 . After the binding hole is formed, the guide part 900 and the binding hole forming protrusion 1213 may be removed, and the loosening preventing means 1214 may be coupled to the protruding piece 1212 to be used. When the loosening prevention part 12142 is inserted into the first binding hole 111 or the second binding hole 112, the binding force between the first strap 110 and the second strap 120 is strengthened to prevent the strap from being easily loosened. can

According to one embodiment, the user selects a first point and a second point in consideration of the circumference of his or her wrist 20, and forms the first binding hole 111 and the second binding hole 112 at the corresponding positions. can That is, in normal times when blood pressure is not measured, if the loosening prevention means 1214 is inserted into the first binding hole 111, the blood pressure measuring device 10 can be worn in a loose state, and when blood pressure is measured, the second binding hole When the loosening prevention means 1214 is inserted into the 112, the first strap 110 and the second strap 120 can be strongly attached to the user's wrist 20, so that the radial artery 21 of the wrist 20 The applied pressure can be secured to the maximum. Therefore, it can contribute to the miniaturization of the product by further reducing the thickness of the cuff, and it is possible to maintain a high level of compression force without automatically adjusting the length of each strap during blood pressure measurement. Compared to the device, it has advantages in reduction of manufacturing cost and excellent economic feasibility.

As described above, according to various embodiments of the present invention, since blood pressure is measured while worn on the user's wrist 20, the measurement is easy and portability is improved.

In addition, according to various embodiments of the present invention, when measuring blood pressure, it is possible to maximize the compression force applied to the wrist 20 by using the second binding hole 112, thereby reducing the thickness of the cuff and contributing to the miniaturization of the product. and the accuracy of blood pressure measurement may be improved.

And, according to various embodiments of the present invention, in consideration of the circumference of the wrist 20 different for each user, two binding holes (that is, the first binding hole 111 used in daily life and the second binding hole 111 used for measuring blood pressure) Since only the binding hole 112) is formed on the first strap 110, it is possible to prevent deterioration of the aesthetics of the strap due to the plurality of binding holes formed on the strap.

As described above, the detailed description of the present invention has been made by the embodiments with reference to the accompanying drawings, but since the above-described embodiments have only been described with preferred examples of the present invention, the present invention is limited only to the above embodiments It should not be understood as being, and the scope of the present invention should be understood as the following claims and their equivalents.

10: wrist type blood pressure measuring device
100: strap part
110: first strap
111: first binding hole
112: second binding hole
120: second strap
121: binding member
1211: base
1212: protrusion
1213: binding hole forming projection
1214: means for preventing loosening
12141: body part
12142: anti-loosening part
122: position fixing groove
200: cuff part
300: pump unit
400: sensor unit
500: control unit
600: display unit
700: housing
800: PPG sensor
900: guide unit
910: slide body member
911: body hole
920: body fixing member
P: movement path
W: Width of the first strap
C: the center point of the width of the first strap
20: wrist
21: radial artery

Claims (5)

a strap portion provided to be worn around the wrist;
a cuff part installed on the strap part and expandable by air injection;
a pump for injecting air into the cuff;
a sensor unit configured to detect an oscillation signal generated according to a change in pressure of the cuff;
a controller for deriving a blood pressure value from the oscillation signal; and
Including; a display unit for outputting the derived blood pressure value;
The strap portion is characterized in that a plurality of binding holes for adjusting the degree of adhesion of the strap portion to the user's wrist are formed.
Wrist type blood pressure measurement device. According to claim 1,
The wrist-type blood pressure measuring device is
It further includes; a housing having an accommodating space therein;
The strap part
a first strap coupled to one end of the housing; and
Including; a second strap coupled to the other end of the housing;
A first binding hole for use when not measuring blood pressure is formed at a first point of the first strap, and a second binding hole for use when measuring blood pressure is formed at a second point of the first strap, , The second strap has a binding member inserted into the first binding hole or the second binding hole to be bound, and the second binding hole is formed at a position closer to the housing than the first binding hole, and to the wrist. In order to secure the maximum applied compressive force, the binding member is inserted into the second binding hole to bind the blood pressure when measuring blood pressure.
Wrist type blood pressure measurement device. According to claim 1,
The wrist-type blood pressure measuring device is
PPG (photoplethysmography) sensor for measuring oxygen saturation; further comprising
Wrist type blood pressure measurement device. 3. The method of claim 2,
The binding member is
a base formed in a plate shape having a predetermined area and attached to one surface of the second strap;
a protruding piece protruding from one surface of the base;
a binding hole forming protrusion having one end sharply formed at an acute angle so as to penetrate a point of the first strap to form a hole, and capable of screwing with the protruding piece; and
Including;
The loosening prevention means is
a body part capable of being screw-coupled to the protruding piece and having a predetermined length; and
It includes; a loosening prevention part installed at one end of the body part and formed with an area larger than the cross-sectional area of the body part;
A position fixing groove recessed in the direction of the base is formed on the other surface of the second strap corresponding to the area of one surface to which the base is attached,
The wrist-type blood pressure measuring device is
It further includes; a guide part capable of sliding movement along the longitudinal direction of the first strap;
the guide part
a slide body member having a hollow quadrangular pole structure for being coupled to the first strap; and
Further comprising; a body fixing member formed in the same shape as the position fixing groove,
The body fixing member is characterized in that the position fixing groove is formed to protrude from one surface of the slide body as much as the recessed depth.
Wrist type blood pressure measuring device. 5. The method of claim 4,
A body hole through which the binding hole forming protrusion can pass is formed in the slide body member, and a movement passage is formed in the slide body member and the body fixing member in a vertical direction of the body hole, and the body hole is Characterized in that it is formed at a position corresponding to the center point of the width of one strap
Wrist type blood pressure measurement device.

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