JP2020081734A - Blood pressure cuff - Google Patents

Abstract

To provide a sphygmomanometer cuff of which core is prevented from coming into contact with a styloid process of an ulna of a user when the user wears the sphygmomanometer cuff on a wrist.SOLUTION: A sphygmomanometer cuff 20 includes an elastomer core 30 accommodated inside a cover body 21 to be worn so as to be wound around a wrist M and having an opening part 40 opened so as to have a U-shaped cross section. In the sphygmomanometer cuff 20, the elastomer core 30 has a notch 33 at an opening edge 31a at a side of a back of a hand of the opening part 40 that is opened so as to have the U-shaped cross section.SELECTED DRAWING: Figure 3

Description

The present invention relates to a band-shaped cuff for a blood pressure monitor that is wrapped around a wrist.

Conventionally, a sphygmomanometer cuff is provided with a core having an opening opening in a U-shaped cross section, which is curved along the wrist, and is configured to be attached to a wrist inserted through the opening (for example, Patent Document 1). 1).

JP 2004-8240A

Patent Document 1 discloses a wrist-type blood pressure in which a ring-shaped member having an opening through which the wrist can pass is provided with an opening region for avoiding contact with the ulnar styloid process existing on the wrist. A metering cuff is disclosed.

However, the wrist-type sphygmomanometer cuff described in Patent Document 1 has the opening area formed as a through hole, and therefore, when the wrist-type sphygmomanometer cuff is attached to the wrist, the ring-shaped member is the ulnar stem of the wearer. There is a problem of hitting the protrusions.

Therefore, an object of the present invention is to provide a sphygmomanometer cuff in which the core does not hit the ulnar styloid process of the wearer when the sphygmomanometer cuff is worn on the wrist.

To achieve the above object, a cuff for a sphygmomanometer of the present invention includes a core of an elastic body having an opening opening in a U-shaped cross section, which is housed in a cover body mounted to be wound around a wrist, The core is characterized in that it has a notch at an opening edge on the back side of the hand of the opening.

The cuff for a blood pressure monitor of the present invention thus configured can prevent the core from hitting the ulnar styloid process of the wearer when the cuff for a sphygmomanometer is worn on the wrist.

1 is a perspective view showing a configuration of a wrist-worn blood pressure monitor of Example 1. FIG. 3 is a cross-sectional view showing the configuration of the wrist-worn blood pressure monitor of Example 1. FIG. 4 is a perspective view showing a core of Example 1. FIG. 5 is a cross-sectional view showing a core of Example 1. FIG. It is a perspective view which shows the core of a modification. FIG. 5 is an explanatory diagram illustrating a mounting operation of the wrist-mounted blood pressure monitor of the first embodiment. It is a perspective view which shows the core of Example 2. It is a perspective view which shows the core of another Example.

Hereinafter, an embodiment for realizing a blood pressure cuff according to the present invention will be described based on Examples 1 and 2 shown in the drawings.

The sphygmomanometer cuff according to the first embodiment is applied to a wrist-worn sphygmomanometer that measures the blood pressure of the wrist.

[Structure of wrist-worn sphygmomanometer]
FIG. 1 is a perspective view showing the configuration of the wrist-worn blood pressure monitor of the first embodiment. FIG. 2 is a sectional view showing the configuration of the wrist-worn blood pressure monitor of the first embodiment. Hereinafter, the configuration of the wrist-worn sphygmomanometer according to the first embodiment will be described with reference to FIGS. 1 and 2.

As shown in FIG. 1, the wrist-worn sphygmomanometer 1 includes a device body 10 and a sphygmomanometer cuff 20 wrapped around the wrist M. A display unit 11 and an operation unit 12 are provided on the surface of the device body 10.

The apparatus main body 10 is arranged from the back side of the hand to the side surface of the thumb side with the wrist-worn sphygmomanometer 1 attached to the wrist M, and the measurement subject can visually recognize the display section 11 and operate the operation section 12. It looks like this. Inside the apparatus body 10, a pump, a slow leak valve, a pressure sensor, etc., which are not shown, are incorporated.

As shown in FIG. 2, the sphygmomanometer cuff 20 includes a cover body 21 that is worn around the wrist M, and an air bag 22 and a core 30 that are housed inside the cover body 21.

The cover body 21 is formed of a strip-shaped cloth or the like, and is formed to be longer than the general circumference of the wrist M. A hook-and-loop fastener 23 is attached to the cover body 21 near the folded-back portion 21a. The surface fastener 23 is attached and fixed by being pressed against a surface fastener 24 provided on the upper surface of the apparatus body 10.

The air bag 22 is formed of a bag-shaped member made of a resin sheet. The air bag 22 is inflated by the air introduced from the pump of the apparatus body 10.

In the wrist-worn sphygmomanometer 1 configured in this manner, the blood pressure monitor cuff 20 is wrapped around the wrist M, and the hook-and-loop fastener 23 and the hook-and-loop fastener 24 are attached, so that the wrist-worn sphygmomanometer 1 of the person to be measured is attached. Put on your wrist M. By operating the operation unit 12 with the wrist-worn sphygmomanometer 1 attached to the wrist M of the measurement subject, air is introduced into the air bag 22 from the pump of the apparatus body 10. When air is introduced into the air bag 22, the artery of the wrist M is compressed.

After that, the driving of the pump built in the device body 10 is stopped, and the air in the air bag 22 is gradually released from the slow leak valve built in the device body 10 to lower the pressure in the air bag 22. .. At this time, a change in the pressure in the air bag 22 due to the pulsation of the artery of the wrist M is detected by the pressure sensor built in the apparatus main body 10 and displayed on the display unit 11.

[Core configuration]
FIG. 3 is a perspective view showing the core 30 of the first embodiment. FIG. 4 is a sectional view showing the core 30 of the first embodiment. FIG. 5 is a perspective view showing a modified core 30. Hereinafter, the configuration of the core 30 according to the first embodiment will be described with reference to FIGS. 3 to 5.

The core 30 is formed of, for example, an elastic body such as resin, and as shown in FIGS. 3 and 4, a strip-shaped core body 31 curved along the wrist M and a circumferential end portion of the core body 31. It is composed of the formed return portion 32.

The core body 31 is formed to have an opening 40 that is open in a U-shaped cross section. That is, the core body 31 is formed in a tubular shape having the opening 40 through which the wrist M can pass.

The opening 40 is formed between the opening edge 31 a of the core body 31 on the back side of the hand in the circumferential direction and the opening edge 31 b of the core body 31 on the palm side in the circumferential direction.

The core body 31 has a rectangular notch 33 at the opening edge 31a on the back side of the opening 40. The notch 33 includes a notch 33a formed at one corner of the core body 31 and a notch 33b formed at the other corner of the core body 31 in the longitudinal direction of the core body 31. The notch is not limited to this aspect. For example, as shown in FIG. 5, a notch 133 having a rounded corner may be used.

The return portion 32 is formed so as to extend from the opening edge 31a toward the inside of the tubular core body 31. The return portion 32 is formed as an inclined surface that is inclined with respect to the mounting direction D of the blood pressure monitor cuff 20 on the wrist M.

The return portion 32 is supported by the support portion 35 connected to the core body 31. The return portion 32 is formed at substantially the same position as the opening edge 31b in the mounting direction D. Note that the return portion 32 may be formed at a position that does not protrude from the opening edge 31b in the mounting direction D.

[Wrist-mounted blood pressure monitor wearing operation]
FIG. 6 is an explanatory diagram illustrating a mounting operation of the wrist-worn sphygmomanometer 1 of the first embodiment. Hereinafter, a mounting operation for mounting the wrist-worn sphygmomanometer 1 of the first embodiment on the wrist M of the wearer's left hand will be described with reference to FIG.

When the wrist-worn sphygmomanometer 1 is attached to the wrist M of the left hand, the measurement subject holds the device main body 10 with the right hand and moves the opening 40 of the core 30 toward the wrist M of the measurement subject's left hand. ..

When the wrist-worn sphygmomanometer 1 approaches the wrist M, the wrist M hits the return portion 32 through the cover body 21, the shape of the core body 31 is elastically deformed, and the opening 40 is expanded. When the wrist-mounted blood pressure monitor 1 is further moved in the mounting direction D with the opening 40 widened, the shape of the core body 31 is restored, and the wrist-mounted blood pressure monitor 1 is mounted on the wrist M.

At this time, the core 30 is attached to the wrist M by the notch 33a so as not to hit the ulnar styloid process N on the wrist M. That is, the core 30 does not hit the ulnar styloid process N in the mounting locus in which the wrist-mounted blood pressure monitor 1 is mounted on the wrist M. Further, when the wrist-worn sphygmomanometer 1 is worn on the wrist M, the core 30 does not hit the ulnar styloid process N.

The same applies when the wrist-worn sphygmomanometer 1 is worn on the wrist M of the wearer's right hand. In this case, the notch 33b corresponds to the ulnar styloid process N on the wrist M of the right hand.

[Action of cuff for blood pressure monitor]
The operation of the sphygmomanometer cuff 20 of the first embodiment will be described. The sphygmomanometer cuff 20 of the first embodiment includes an elastic core 30 having an opening 40 having a U-shaped cross section, which is housed in a cover body 21 that is wound around the wrist M. Has a notch 33 in the opening edge 31a on the back side of the hand of the opening 40 (FIG. 3).

As a result, when the blood pressure monitor cuff 20 is attached to the wrist M, the core 30 can be prevented from touching the ulnar styloid process N in the attachment trajectory. Therefore, when the blood pressure monitor cuff 20 is attached to the wrist M, it is possible to prevent pain caused by the core 30 coming into contact with the ulnar styloid process N.

Further, it is possible to prevent the core 30 from touching the ulnar styloid process N when the blood pressure cuff 20 is attached to the wrist M. Therefore, with the sphygmomanometer cuff 20 attached to the wrist M, it is possible to prevent pain caused by the core 30 coming into contact with the ulnar styloid process N.

In the sphygmomanometer cuff 20 of the first embodiment, the notches 33 are provided at both corners in the longitudinal direction of the core 30 (FIG. 3 ).

This makes it possible to prevent the core 30 from coming into contact with the ulnar styloid process N regardless of whether the blood pressure monitor cuff 20 is attached to the right hand or the left hand. Therefore, regardless of whether the blood pressure monitor cuff 20 is attached to the right hand or the left hand, it is possible to prevent pain caused by the core 30 coming into contact with the ulnar styloid process N.

In the sphygmomanometer cuff 20 of the first embodiment, the corner portion of the notch 33 is formed into a rounded R shape (FIG. 4).

Accordingly, the sphygmomanometer cuff 20 can be attached to the wrist M so that the notch 33 extends along the outer peripheral edge of the ulnar styloid process N, and the pain caused by the core 30 contacting the ulnar styloid process N is prevented. can do. Moreover, the core 30 in the portion where the notch 33 is provided can be reinforced.

In the sphygmomanometer cuff 20 of the first embodiment, a return portion 32 that is inclined with respect to the mounting direction D of the core 30 on the wrist M is formed at the opening edge 31a on the back side of the hand (FIG. 2).

Accordingly, when the blood pressure monitor cuff 20 is attached to the wrist M, the wrist M can be applied to the return portion 32. Then, when the inclined return portion 32 is in contact with the wrist M and pushed in the mounting direction D, the core 30 can be expanded in the opening direction of the opening 40 by the component force. As a result, the wearability of the blood pressure cuff 20 can be improved.

In the sphygmomanometer cuff 20 of the first embodiment, the return portion 32 is formed at a position that does not protrude from the palm-side opening edge 31b in the mounting direction D of the core 30 to the wrist M (FIG. 2 ).

This makes it possible to eliminate the protrusion of the core 30 with the blood pressure cuff 20 attached to the wrist M. Therefore, the sphygmomanometer cuff 20 can be tightly wrapped around the wrist M and fixed. As a result, the detection accuracy of the wrist-worn sphygmomanometer 1 can be improved.

The sphygmomanometer cuff of the second embodiment differs from the sphygmomanometer cuff of the first embodiment in that the notch of the cuff is different.

[Structure of blood pressure cuff]
FIG. 7 is a perspective view showing the core of the second embodiment. The configuration of the core of the second embodiment will be described below with reference to FIG. Note that description of the same or equivalent parts as the contents described in the first embodiment will be made using the same terms or the same reference numerals.

The core body 231 of the sphygmomanometer cuff 220 has a rectangular notch 233 in the opening edge 31 a of the opening 40 on the back side of the hand. The notch 233 is provided near the center in the longitudinal direction of the core body 231. The notch 233 may be formed such that the corner portion is rounded in an R shape.

In the blood pressure monitor cuff 220 of the second embodiment, the notch 233 is provided near the center of the core 230 in the longitudinal direction (FIG. 7 ).

This makes it possible to prevent the core 230 from touching the ulnar styloid process N regardless of whether the blood pressure monitor cuff 220 is attached to the right hand or the left hand. Therefore, whether the blood pressure cuff 220 is attached to the right hand or the left hand, it is possible to prevent pain caused by the core 230 coming into contact with the ulnar styloid process N.

The rest of the configuration, functions and effects are substantially the same as those of the above-mentioned embodiment, so the description thereof is omitted.

The blood pressure cuff of the present invention has been described above based on the first and second embodiments. However, the specific configuration is not limited to these examples, and the combination of the examples, the design change, and the like, unless departing from the gist of the invention according to each claim of the claims, Additions are allowed.

In the first and second embodiments, the return portion 32 is formed so as to extend from the opening edge 31a toward the inside of the core body 31 formed in a tubular shape. However, the return section is not limited to this aspect. For example, as shown in FIG. 8, the return portion 332 may be formed to extend from the opening edge 331a of the core body 331 of the sphygmomanometer cuff 320 toward the outside of the tubular core body 331. Good.

In the first and second embodiments, examples in which the notches 33 are provided at both corners in the longitudinal direction of the core body 31 are shown. However, the notch may be provided at one corner of the core body 31 in the longitudinal direction.

In the first and second embodiments, the return portion 32 is provided at the opening edge 31a of the core body 31 on the back side of the hand in the circumferential direction. However, the return portion may be provided at the palm-side opening edge 31b in the circumferential direction of the core body 31, or may be provided at both opening edges 31a and 31b.

1 Wrist-worn blood pressure monitor 20 Sphygmomanometer cuff 21 Cover body 30 Core 31a Opening edge 31b Opening edge 32 Return part 33 Notch 40 Opening D Wearing direction M Wrist

Claims (6)

An elastic core having an opening having a U-shaped cross-section, which is housed in a cover body that is wound around the wrist,
The cuff for a sphygmomanometer, wherein the core has a notch on an opening edge on the back side of the hand of the opening. The cuff for a sphygmomanometer according to claim 1, wherein the notches are provided at both corners in the longitudinal direction of the core. The sphygmomanometer cuff according to claim 1, wherein the notch is provided near the center of the core in the longitudinal direction. The cuff for a sphygmomanometer according to any one of claims 1 to 3, wherein the corner portion of the notch is rounded in an R shape. The sphygmomanometer according to any one of claims 1 to 4, wherein a return portion that is inclined with respect to a mounting direction of the core on the wrist is formed at the opening edge on the back side of the hand. Cuff. The sphygmomanometer cuff according to claim 5, wherein the return portion is formed at a position that does not protrude from the opening edge on the palm side in the mounting direction of the core on the wrist.