JP3618155B2 - Pressure band for blood pressure measurement - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a pressure band for blood pressure measurement that is wound around a part of a living body when blood pressure is measured.
[0002]
[Prior art]
When measuring a blood pressure value of a living body, for example, a pulse detected in a process of gradually decreasing the pressure of the compression band is wound by winding a blood pressure measurement compression band that compresses an artery of the living body around a part of the living body. The blood pressure value was measured by the well-known oscillometric method based on the change in the amplitude of the synchronous wave. In addition, when measuring an electrocardiogram of a living body, by attaching an electrocardiographic electrode to a part of the living body, an electrocardiographic induction waveform generated with the action potential of the myocardium in the living body detected from the electrocardiographic electrode is obtained. Was measured based on.
[0003]
[Problems to be Solved by the Invention]
However, as described above, when the blood pressure measurement is performed, the blood pressure measurement compression band is used, and when the electrocardiogram is measured, the electrocardiogram electrode is used. Since the attachment to the patient becomes very complicated and the time required for the attachment increases, it is not suitable for use in a scene where quick attachment is required, for example, in an emergency medical field.
[0004]
The present invention has been made against the background described above, and an object of the present invention is to provide a pressure band for blood pressure measurement that also has a function of detecting an electrocardiogram-induced waveform of a patient.
[0005]
[Means for Solving the Problems]
The gist of the present invention for achieving such an object is a compression band wound in a cylindrical shape to compress a part of a living body in blood pressure measurement, and simultaneously with the blood pressure measurement of the living body, possess on the inner peripheral surface of the flexible electrocardiograph electrodes for detecting ECG waveform generated in association with the action potential of myocardial, its flexibility electrocardiogram electrodes include fibers having conductivity It is made of a conductive cloth, and is detachably provided on a part of an inner peripheral surface of the compression band that contacts a part of the living body.
[0006]
【The invention's effect】
In this way, since the electrocardiogram-induced waveform is detected simultaneously with the blood pressure measurement by the compression band wound around a part of the living body at the time of blood pressure measurement, the troublesomeness of wearing on the patient is preferably eliminated, In addition, since the time required for mounting is greatly shortened, the applicable range is expanded such that it can be suitably used in an emergency. In addition, since the electrocardiographic electrode has flexibility, there is no adverse effect on the function of the compression band to compress the artery, and blood pressure measurement accuracy is suitably maintained. In addition, since the flexible electrocardiographic electrode can be attached and detached, it can be easily replaced when it becomes difficult to detect the electrocardiographic induction waveform with extremely stable surface contamination.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, a first embodiment of the present invention will be described in detail with reference to the drawings.
[0010]
FIG. 1 is a view showing one surface of a blood pressure measurement arm band 10 according to an embodiment of the present invention. 2 is a cross-sectional view taken along the line II of FIG. 1, and FIG. 3 is a cross-sectional view taken along the line II-II of FIG. The arm band 10 is formed in a belt shape having a length of about 50 cm, a width of about 14 cm, and a thickness of about 1.5 mm. One long side 12 has a supply / discharge tube 14 for supplying and discharging pressurized air. The lead wire 15 for guiding the electrocardiographic induction waveform detected by the conductive armband 10 is provided in a state of being integrally formed so as to pass through the supply pipe 14. The armband 10 includes an outer peripheral side member 16 provided with an outer peripheral side surface and an inner peripheral side member 18 provided with an inner peripheral side when it is cylindrical at the time of blood pressure measurement. As shown in the cross-section in the direction, the long side 12 is bonded to the folded portion 20 formed along the long side 12 of the inner circumferential side member 18 that is folded back to the outer circumferential side member 16 side. The sealing portions 28, 30, and 32 provided on the side 22 side and the short sides 24 and 26, respectively, are formed in a closed bag shape that is welded by thermocompression bonding. In the present embodiment, the arm band 10 corresponds to a pressure band for blood pressure measurement.
[0011]
In the inner space 34 of the armband 10 formed into a bag shape by the folded portion 20 and the seal portions 28 and 30, the inflatable bag 36 is shorter than the outer peripheral member 16 and the inner peripheral member 18 and has substantially the same width. Is provided. The expansion bag 36 has, for example, an ethylene vinyl acetate resin having a high tensile strength and tensile elongation and a very fine embossed surface (composition is, for example, 15 to 20% vinyl acetate, LDPE [linear low-density polyethylene: (Linear low density polyethylene] 85 to 80%) of a film having a thickness of about 0.2 mm is bent along the long side 12 side and provided on the short side located opposite to the short side 24. After the sealing portion 38 is welded by thermocompression bonding, when the outer peripheral member 16 and the inner peripheral member 18 are thermocompression bonded, the sealing portions 28 and 30 are simultaneously thermocompression bonded to form a closed bag shape. The supply / exhaust pipe 14 is fixed to the expansion bag 36 by thermocompression bonding with one end inserted through a through hole 46 provided on the folded end on the long side 12 side of the expansion bag 36. The other end is exposed to the outside through a through hole 48 provided in the peripheral member 18. Therefore, the expansion bag 36 is not restrained at all except the seal portions 28 and 30, for example, the surface 50. In the present embodiment, the range 52 in FIG. 3 provided with the inflatable bag 36 is an inflatable portion, and a part of the armband 10 having a bag shape is inflatable.
[0012]
The outer peripheral side member 16 is, for example, a first layer 54 made of polyethylene resin having a thickness of 0.04 mm, for example, a second layer 56 made of cloth in which medium-low pressure polyethylene fibers are woven at a driving density of 10 × 10 / inch, For example, a third layer 58 made of polyethylene resin having a thickness of 0.04 mm, and a fabric weight of 65 g / m ² with 40/20 thread use, loop-like fibers appearing on one side, and wavy fibers in the longitudinal direction The outer peripheral layer 60 is made of a nylon pile provided with four layers that are in close contact with each other. The first layer 54 and the second layer 56 are for increasing the tensile strength so that the outer peripheral side member 16 is not damaged even when the expansion bag 36 is inflated during blood pressure measurement and pressure is generated in the outer peripheral direction. Is.
[0013]
Further, the inner peripheral side member 18 includes, for example, an inner peripheral layer 62 made of a non-woven fabric having a thickness of 0.55 mm, in which a blended yarn of 35% rayon, 35% polyester, and 30% carbon fiber has a weight of 60 g / m ² . For example, it is composed of two layers in which a backing layer 64 made of polyethylene resin having a thickness of 0.05 mm is adhered to each other. Therefore, the outer peripheral side member 16 and the inner peripheral side member 18 are configured to be slightly stretchable by the above-described fibers and non-woven fabrics that are wavy in the longitudinal direction, and a polyethylene layer that is closely laminated, and the inner peripheral side The member 18 constitutes a flexible electrocardiographic electrode having suitable conductivity by the carbon fibers contained in the inner peripheral layer 62.
[0014]
Note that one end of the lead wire 15 is fixed to the inner peripheral layer 62 of the inner peripheral member 18. The fastener pad 66 is provided with a number of hook-shaped portions on the surface, and is wound around a part of the living body so that the outer peripheral side member 16 faces outside with the short side 24 as the base end for blood pressure measurement. At this time, the arm band 10 is fixed in a wound state by the tip of the hook-like portion being caught by the wavy fibers of the outer peripheral layer 60 of the outer peripheral member 16. 2 and 3 are diagrams for explaining the inside of the armband 10, and the dimensional ratios of the respective portions are not necessarily accurate.
[0015]
As shown in FIG. 4, the armband 10 configured as described above has a long length in which the supply / discharge tube 14 is fixed to a part of a living body, for example, the upper arm 68, with the long side 22 on the shoulder side. It is used by being wound around the upper arm 68 from the short side 24 side so that the side 12 is on the elbow side and the inner peripheral side member 18 is on the inside. The supply / exhaust pipe 14 of the arm band 10 is connected to a pump 74 via a pressurized air supply / discharge valve device 72, and the lead wire 15 shows an electrocardiographic induction waveform detected by the arm band 10 as an electrocardiogram signal. It is connected to an electrocardiographic induction device 75 that outputs to the electronic control device. The pressure air supply / discharge valve device 72, the pump 74, and the electrocardiographic induction device 75 are all included in the automatic blood pressure measurement device 70. It should be noted that the blood pressure measurement process is well known, and is not necessarily required for understanding the present invention, so the description thereof is omitted.
[0016]
As described above, according to the present embodiment, since the electrocardiogram-induced waveform is detected simultaneously with the blood pressure measurement by the arm band 10 wound around a part of the living body at the time of blood pressure measurement, it is troublesome to wear on the patient. Is suitably eliminated, and the time required for mounting is greatly reduced, so that the application range can be expanded, such as being able to be suitably used in an emergency. Furthermore, since the armband 10 is flexible, it does not have any adverse effect on the compression function of the artery, and the blood pressure measurement accuracy is suitably maintained. In addition, although the armband 10 has an electrocardiographic induction waveform detection function, it is configured integrally, so that it is easy to handle and does not hinder blood pressure measurement.
[0017]
Moreover, since the arm band 10 of the present embodiment is made of nylon pile, non-woven fabric, polyethylene, and ethylene vinyl acetate resin, harmful combustion gases are hardly generated when incinerated. Therefore, it is useful as a disposable armband in a use situation where the replacement of the armband 10 is desired for each patient.
[0018]
Next, a second embodiment of the present invention will be described in detail with reference to the drawings.
[0019]
FIG. 5 is a view showing the outer peripheral surface in a state where the armband 80 for blood pressure measurement is expanded in a plane, FIG. 6 is a view showing the inner peripheral surface in a state where the armband 66 is expanded in a plane, and FIG. It is III-III sectional view taken on the line. An arm band 80 is formed of a synthetic resin sheet such as a soft vinyl chloride sheet or a nylon sheet having a flexible outer peripheral sheet member 82 having flexibility, and an inner peripheral sheet member 84 having a similar shape outside the broken line in FIG. In this area, bonding is performed by a technique such as adhesive or high frequency welding. As a result, an inflatable and airtight bag portion 88 including the connection tube 86 is formed in substantially half of the armband 80 in the longitudinal direction. In the vicinity of the connecting tube 86 on the inner peripheral side sheet member 84, for example, a blended yarn of 35% rayon, 35% polyester, and 30% carbon fiber has a thickness of 0.55 mm with a basis weight of 60 g / m ^2. A flexible conductive cloth 90 made of a non-woven fabric is detachably fixed by, for example, a double-sided adhesive tape 91, and the lead wire 92 is sandwiched between the conductive cloth 90 and the inner peripheral sheet member 84. Is fixed to the inner circumferential side sheet member 84. Therefore, an electrocardiographic induction waveform detected by the conductive cloth 90 is guided to the automatic blood pressure measurement device 102 described later via the lead wire 92. The lead wire 92 is integrally formed so as to pass through the inside of the supply / exhaust pipe 94 extended from the connection cylinder 86. Furthermore, the fastener 96 fixed to the outer peripheral side sheet member 82 with the sewing thread and the fastener 98 fixed to the inner peripheral side sheet member 84 with the sewing thread are mounted in a state where the arm band 80 is wound around the upper arm in a cylindrical shape, for example. A plurality of hooks made of synthetic resin are arranged on one side, and a number of loop-like fibers hooked on the hooks are arranged on the other side. In the present embodiment, the arm band 80 corresponds to a pressure band for blood pressure measurement.
[0020]
As shown in FIG. 8, the armband 80 configured as described above has a long side on the side where the connecting tube 86 is fixed to a part of a living body, for example, the upper arm 100, as shown in FIG. It is used by being wound around the upper arm portion 100 from the short side on which the fastener 98 is fixed so that the inner peripheral side sheet member 84 is on the inner side. The supply / exhaust pipe 94 extended from the connection tube 86 of the armband 80 is connected to the pump 106 via the pressurized air supply / discharge valve device 104, and the lead wire 92 is an electrocardiographic induction detected by the conductive cloth 90. It is connected to an electrocardiographic induction device 108 that outputs a waveform as an electrocardiographic signal to an electronic control device (not shown). Further, the pressure air supply / discharge valve device 104, the pump 106, and the electrocardiographic induction device 108 are all included in the automatic blood pressure measurement device 102. It should be noted that the blood pressure measurement process is well known, and is not necessarily required for understanding the present invention, so the description thereof is omitted.
[0021]
As described above, according to the present embodiment, the electrocardiogram-induced waveform is detected simultaneously with the blood pressure measurement by the arm band 80 wound around a part of the living body at the time of blood pressure measurement. Is suitably eliminated, and the time required for mounting is greatly reduced, so that the application range can be expanded, such as being able to be suitably used in an emergency. Furthermore, since the armband 80 is flexible, it does not adversely affect the compression function of the artery, and blood pressure measurement accuracy is suitably maintained. Further, since the conductive cloth 90 is detachably fixed, the surface can be easily soiled and can be easily replaced when it becomes impossible to detect a stable electrocardiographic induction waveform.
[0022]
As mentioned above, although one Example of this invention was described in detail with reference to drawings, this invention is implemented also in another aspect.
[0023]
For example, in the above-described first embodiment, the expansion bag 36 is fixed to the outer peripheral member 16 or the inner peripheral member 18 on both sides or one side except the vicinity of the seal portion 38, that is, the vicinity of the central portion of the armband 10. Moreover, the outer peripheral side member 16 and the inner peripheral side member 18 do not need to be able to expand and contract. Further, only a part of the inner peripheral layer 62 is made of a non-woven fabric containing carbon fibers, so that only a part of the armband 10 that comes into contact with the person to be measured may have conductivity.
[0024]
Further, in the arm band 80 of the second embodiment described above, the inner peripheral side sheet member 84 is provided on the entire inner peripheral side of the outer peripheral side sheet member 82. May be provided.
[0025]
In the first and second embodiments described above, the lead wires 15 and 92 are integrally configured so as to pass through the pipes of the supply and discharge pipes 14 and 94. , 92 are wound around the supply pipes 14, 94, and various structures such as a structure that is integrally formed can be taken.
[0026]
In addition, although not listed one by one, the present invention can be variously modified without departing from the gist thereof.
[Brief description of the drawings]
FIG. 1 is a view showing one surface of an arm band according to a first embodiment of the present invention.
2 is a diagram schematically showing the structure of the armband of FIG. 1 taken along the line II.
3 is a diagram schematically showing the structure of the armband of FIG. 1 taken along the line II-II.
FIG. 4 is a diagram showing a usage state of the armband of FIG. 1;
FIG. 5 is a view showing an outer peripheral surface in a state where an arm band according to a second embodiment of the present invention is developed on a plane.
6 is a view showing an inner peripheral surface in a state where the armband of FIG. 1 is developed on a plane. FIG.
7 is a cross-sectional view taken along line III-III in FIG.
8 is a diagram showing a state in which the armband of FIG. 5 is used.
[Explanation of symbols]
10: Arm band for blood pressure measurement (pressure band for blood pressure measurement)
14: Supply pipe 15: Lead wire 80: Arm band for blood pressure measurement (pressure band for blood pressure measurement)
90: Conductive cloth 92: Lead wire 94: Supply pipe

Claims (1)

A compression band wound in a cylindrical shape to compress a part of the living body when measuring blood pressure,
Possess on the inner peripheral surface of the flexible electrocardiograph electrodes for detecting ECG waveform generated in association with the action potential of myocardial simultaneously the biological and blood pressure measurement of the living body,
The flexible electrocardiographic electrode is made of a conductive cloth containing conductive fibers, and is detachably provided on a part of an inner peripheral surface of the compression band that contacts a part of the living body. Characteristic compression band for blood pressure measurement .

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