JPH07289527A - Sphygmomanometer - Google Patents

Abstract

PURPOSE:To provide a sphygmomanometer which is easy to use and is capable of easily matching a cuff to the height position of the heart. CONSTITUTION:This sphygmomanometer has the cuff 1 to be mounted at the required part Y of the human body to compresses this part to hinder the blood and a height adjusting means 2 adjustable to the height position of the heart X of the human body and is used to measure a blood-pressure value by the pressure in the cuff 1. This height adjusting means 2 consists of a reference member 3 fixed at its end to the cuff 1 and an indicating member 5 freely rotatably disposed at this reference member 3 in such a manner as to face one direction at all times. The reference member 3 is so constituted that this indicating member 5 is aligned to the prescribed position of the reference member 3 when the reference member 3 inclines at a prescribed angle from a horizontal direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sphygmomanometer having means for adjusting the cuff to the height of the heart when measuring blood pressure.

[0002]

2. Description of the Related Art When measuring blood pressure with a sphygmomanometer that has a cuff worn on the wrist or finger, the cuff should be approximately at the same height as the heart in order to avoid an error between the measured value and the actual value. I need to measure it. Therefore, when measuring blood pressure, a cushion for measurement is used as shown in FIG. 10, or the cuff is visually and sensibly adjusted to the height position of the heart.

However, in the method using a cushion, there is a possibility that a correct measured value cannot be obtained because the cushion does not have a shape or size suitable for the user, or the arm does not hit the cushion correctly. It was Further, in the method of visually adjusting the feeling, there is a possibility that the measured values may vary from measurement to measurement.

As a solution to this problem, Japanese Patent Laid-Open No. 5-2 is known.
There is one disclosed in Japanese Patent Laid-Open No. 00003. This is because a cuff having a light emitting part (or light receiving part) is attached to the wrist, and a height matching part having a light receiving part (or light emitting part) is attached around the heart of the human body so that the cuff is higher than the heart. When the height is substantially the same as that of the light emitting portion, the light from the light emitting portion is received by the light receiving portion and the notification means such as a buzzer notifies the light.

[0005]

However, the one disclosed in the above-mentioned Japanese Patent Laid-Open No. 5-200003 can obtain a measured value more accurately than the former, but the height adjusting part is located around the heart of the human body. It was necessary to attach to the height adjustment part, which was troublesome.

The present invention has been made in view of the above points, and the purpose thereof is that it is easy to use,
It is to provide a sphygmomanometer that can easily adjust the cuff to the height position of the heart.

[0007]

In order to achieve the above object, a sphygmomanometer according to claim 1 has a cuff which is attached to a main part such as a wrist or a finger of a human body to perform pressure ischemia, and the cuff is a heart of the human body. In the sphygmomanometer, which has a height adjusting means capable of adjusting to the height position of the cuff, and which measures the maximum blood pressure value and the minimum blood pressure value by the pressure in the cuff, the height adjusting means is a reference whose end is fixed to the cuff. And a pointing member that is rotatably provided on the reference member so as to always face in one direction, and the pointing means is configured to coincide with a predetermined position of the reference member when the reference member is inclined by a predetermined amount with respect to the horizontal direction. It is configured as follows.

A blood pressure monitor according to a second aspect of the invention is the blood pressure monitor of the first aspect.
An optical sensor means having a light emitting portion and a light receiving portion is provided at a predetermined position of the reference member of the one described, and a light passing portion for passing light from the light emitting portion and a blocking portion for blocking light from the light emitting portion are provided in the indicating member. The light-transmitting portion transmits the light from the light-emitting portion when the reference member is inclined by a predetermined amount with respect to the horizontal direction, and the blocking portion blocks the light from the light-emitting portion in other cases.

The blood pressure monitor according to claim 3 is the same as that according to claim 2.
The reference member of the one described is a fixing portion fixed to the cuff,
The angle can be adjusted with respect to the fixed portion, and the optical sensor means and the reference portion provided with the indicating member are provided.

The blood pressure monitor according to claim 4 is the same as that according to claim 2.
Alternatively, the optical sensor means or the pointing member described in 3 is movably provided on the reference member so that the relative position of the optical sensor means and the pointing member can be adjusted.

[0011]

According to the structure of the present invention, when the reference member is tilted by a predetermined amount with respect to the horizontal direction so that the cuff is substantially at the same height as the heart, the cuff is placed on the wrist or finger of the human body. When the cuff is attached to a main part such as, and the main part is tilted until the pointing means coincides with the predetermined position of the reference member, the cuff becomes substantially the same height as the heart.

According to the second aspect of the invention, it is possible to determine that the reference member is inclined by a predetermined amount with respect to the horizontal direction, depending on whether or not the light receiving portion receives the light from the light emitting portion.

According to the third aspect of the invention, since the angle of the reference portion can be adjusted with respect to the fixed portion, the angle of the fixed portion can be adjusted according to the situation (position, direction, orientation, etc.) in which the cuff is attached. can do.

According to the structure described in claim 4, the relative positions of the optical sensor means and the indicating member can be adjusted.
The relative positions of the optical sensor means and the indicating member can be adjusted according to the situation (position, direction, orientation, etc.) in which the cuff is attached.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIGS.

This sphygmomanometer comprises a cuff 1 and a height adjusting means 2 capable of adjusting the cuff 1 to the height position of the heart X of the human body, and measures the maximum blood pressure value and the minimum blood pressure value by the pressure inside the cuff 1. Is configured to. The cuff 1 is mounted by being wrapped around a main part Y such as a wrist or a finger of a human body, and is formed so as to pressurize the main part Y by pressure-feeding air inside, and a height adjusting means. Reference numeral 2 includes a reference member 3, an optical sensor unit 4, and an indicating member 5.

The reference member 3 has a substantially rectangular shape, and the angle between the end surface of the reference member 3 and the outer surface of the cuff 1 is constant, that is, the cuff 1 is attached to the main portion Y and the cuff 1 is attached to the heart X. The end portion is fixed to the cuff 1 such that the end surface of the reference member 3 is substantially parallel to the horizontal direction when the height is substantially the same as the height of the.

The optical sensor means 4 is provided on one end surface of the reference member 3, the casing is formed so as to have surfaces facing each other, and the light emitting portion 6 is provided on one of the facing surfaces, and the other is provided. A light receiving section 7 is provided at a position facing the light emitting section 6. When the light receiving section 7 receives the light from the light emitting section 6, the optical sensor means 4 outputs the light to the lighting member 8 provided on the other end surface of the reference member 3 to light the lighting member 8.

The indicating member 5 has a pair of supporting portions 9 and 9 arranged in a substantially orthogonal direction on one end face of the reference member 3 so as to sandwich the optical sensor means 4, and has a substantially disc shape, and a part thereof is formed. It is located between the light-emitting part 6 and the light-receiving part 7 and has a shaft at the end of the pair of support parts 9, 9.
It is composed of a rotating unit 11 which is rotatable via 10.
The rotating portion 11 is cut out inward from a part of the outer circumference in a substantially U-shape to form a light transmitting portion 11a, and a portion other than the light transmitting portion 11a is used as a blocking portion 11b. In addition, the rotating unit 11 includes the light transmitting unit 11
A weight 12 is provided at a position symmetrical with respect to the light transmitting portion 11a so that a always faces vertically upward.

Next, a method of aligning the cuff 1 with the height position of the heart X will be described. First, as shown in FIG. 3, the cuff 1 is attached to the main part Y so that the end face of the rotating part 11 is substantially parallel to the vertical direction. Next, the main part Y is lit up
If you incline until 8 lights up, the cuff 1 will be approximately the same height as the heart X. That is, when the cuff 1 is not substantially at the same height as the heart X, the lighting member 8 is, as shown in FIG.
When the blocking unit 11b blocks the light from the light emitting unit 6 and the light does not reach the light receiving unit 7, the light is turned off, and when the cuff 1 is substantially at the same height as the heart X, as shown in FIG. This is because the light-transmitting portion 11a passes through the light from the light-emitting portion 6 and reaches the light-receiving portion 7 so that it is turned on.

Therefore, in this embodiment, if the main part Y to which the cuff 1 is mounted is tilted until the lighting member 8 is lit, the cuff is cuffed.
Since the height of 1 is substantially the same as the height of the heart X, the cuff 1 can be easily adjusted to the height of the heart X and blood pressure can be measured accurately.

In this embodiment, the light receiving section 7 is the light emitting section 6
It is configured to judge whether or not the cuff 1 is approximately the same height as the heart X depending on whether or not the light from the
A scale is provided on the reference member 3 without using the optical sensor means 4,
A needle is provided in the rotating portion 11 instead of the light-transmitting portion 11a, and it is determined whether or not the cuff 1 is substantially the same height as the heart X depending on whether or not the scale and the needle overlap each other. You may.

In this embodiment, the light-transmitting portion 11a is always oriented vertically upward, but the light-transmitting portion 11a may be always oriented in a direction other than vertically upward.

Next, a second embodiment of the present invention will be described with reference to FIG. It should be noted that members having substantially the same functions as those of the first embodiment described above are designated by the same reference numerals and the description thereof will be omitted.

The reference member 3 of this embodiment is composed of a fixed portion 21 fixed to the cuff 1 and a reference portion 23 whose angle can be adjusted with respect to the fixed portion 21 by an angle adjusting knob 22.
The rotation centers of the fixed portion 21 and the reference portion 23 are substantially parallel to the axis of the shaft 10. Further, the optical sensor means 4 and the indicating member 5 are provided on one end surface of the reference portion 23, and the lighting member 8
Is provided on the other end surface of the reference portion 23.

Therefore, in this embodiment, since the angle of the reference portion 23 can be adjusted with respect to the fixed portion 21 by the angle adjusting knob 22, the reference portion 23 can be adjusted according to the situation when the cuff 1 is attached to the main portion Y. The angle of the portion 23 can be adjusted, and the cuff 1 can be more accurately aligned with the height of the heart X.

In this embodiment, the fixed portion 21 and the reference portion 23
Although the rotation center of and is configured to be substantially parallel to the axis of the shaft 10, the rotation center may be configured not to be substantially parallel to the axis of the shaft 10.

Next, a third embodiment of the present invention will be described with reference to FIG. It should be noted that members having substantially the same functions as those of the first and second embodiments described above are designated by the same reference numerals and the description thereof will be omitted.

The optical sensor means 4 of the present embodiment is provided on the reference member 3 so as to be movable with a part of the rotating portion 11 positioned between the light emitting portion 6 and the light receiving portion 7. .

Therefore, in this embodiment, the optical sensor means 4
Since the relative position between and the indicating member 5 can be adjusted,
The relative positions of the optical sensor means 4 and the indicating member 5 can be adjusted according to the situation when the cuff 1 is attached to the main part Y, and the cuff 1 can be more accurately and substantially at the same height as the heart X. Can be adjusted to suit

In this embodiment, the optical sensor means 4 is movably provided on the reference member 3 so that the relative position between the optical sensor means 4 and the indicating member 5 can be adjusted. The reference member 3 may be movably provided so that the relative position to the optical sensor means 4 can be adjusted.

[0032]

According to the sphygmomanometer of the first aspect of the present invention, when the reference member is tilted by a predetermined amount with respect to the horizontal direction so that the cuff is substantially level with the heart, the cuff is placed on the wrist of the human body or If you attach it to the main part such as your finger and incline the main part until the pointing means matches the predetermined position of the reference member, the cuff will be approximately the same height as the heart, which is convenient and accurate. Blood pressure can be measured.

In addition to the blood pressure monitor according to claim 2 and the effect according to claim 1, it is determined whether the reference member is inclined by a predetermined amount with respect to the horizontal direction depending on whether or not the light receiving portion receives light from the light emitting portion. Therefore, the cuff can be adjusted to the height of the heart and the height of the heart more accurately.

In the blood pressure monitor according to the third aspect, in addition to the effect according to the second aspect, since the angle of the reference portion can be adjusted with respect to the fixed portion, the situation (position, direction, orientation, etc.) where the cuff is attached.
The angle of the reference portion can be adjusted according to the above, and the cuff can be more accurately adjusted to the height of the heart and substantially the same height.

The sphygmomanometer according to claim 4 is the same as claim 2 or 3
In addition to the effects described above, the relative positions of the optical sensor means and the pointing member can be adjusted, so that the optical sensor means and the pointing member can be adjusted according to the situation (position, direction, orientation, etc.) in which the cuff is mounted. The relative position can be adjusted, and the cuff can be aligned with the height of the heart at substantially the same height with high accuracy.

[Brief description of drawings]

FIG. 1 is a side view of a first embodiment of the present invention.

FIG. 2 is a bottom view of the height adjusting means.

FIG. 3 is an explanatory diagram showing a case where the cuff is not substantially at the same height as the heart.

FIG. 4 is a simplified partial enlarged cross-sectional view showing a case where the cuff is not at substantially the same height as the heart.

FIG. 5 is an explanatory diagram showing a case where the cuff is at substantially the same height as the heart.

FIG. 6 is a partially enlarged side view showing the cuff at the same height as the heart.

FIG. 7 is a simplified partial enlarged cross-sectional view showing the cuff at the same height as the heart.

FIG. 8 is a side view of the second embodiment of the present invention.

FIG. 9 is a side view of the third embodiment of the present invention.

FIG. 10 is an explanatory view showing a case where the cuff of the conventional example is substantially at the same height as the heart.

[Explanation of symbols]

 1 Cuff 2 Height adjusting means 3 Reference member 4 Optical sensor means 5 Pointing member 6 Light emitting part 7 Light receiving part 11a Light passing part 11b Blocking part 21 Fixed part 23 Reference part X Heart Y Main part

Claims (4)

[Claims] 1. A cuff that is attached to a main part such as a wrist or a finger of a human body to compress and stop blood flow, and a height adjusting means that can adjust the cuff to the height position of the heart of the human body. In a sphygmomanometer for measuring a high blood pressure value and a diastolic blood pressure value, the height adjusting means includes a reference member whose end is fixed to a cuff and an instruction member rotatably provided on the reference member so as to always face in one direction. The sphygmomanometer is configured such that when the reference member is inclined by a predetermined amount with respect to the horizontal direction, the indicating means is aligned with the predetermined position of the reference member. 2. An optical sensor means having a light emitting portion and a light receiving portion is provided at a predetermined position of the reference member, and a light transmitting portion for transmitting light from the light emitting portion to the indicator member and a light blocking portion for blocking light from the light emitting portion. The light transmitting portion transmits the light from the light emitting portion when the reference member is inclined by a predetermined amount with respect to the horizontal direction, and the blocking portion blocks the light from the light emitting portion otherwise. Sphygmomanometer. 3. The reference member comprises a fixed portion fixed to the cuff, and a reference portion which is adjustable in angle with respect to the fixed portion and provided with an optical sensor means and an indicating member. The blood pressure monitor according to 2. 4. The sphygmomanometer according to claim 2, wherein the optical sensor means or the pointing member is movably provided on a reference member so that the relative position of the optical sensor means and the pointing member can be adjusted. .