WO2011122103A1 - 血圧情報測定装置用カフおよびこれを備えた血圧情報測定装置 - Google Patents
血圧情報測定装置用カフおよびこれを備えた血圧情報測定装置 Download PDFInfo
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- WO2011122103A1 WO2011122103A1 PCT/JP2011/052393 JP2011052393W WO2011122103A1 WO 2011122103 A1 WO2011122103 A1 WO 2011122103A1 JP 2011052393 W JP2011052393 W JP 2011052393W WO 2011122103 A1 WO2011122103 A1 WO 2011122103A1
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- WIPO (PCT)
- Prior art keywords
- blood pressure
- cuff
- fluid bag
- pressure information
- air bag
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
- A61B5/02233—Occluders specially adapted therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
- A61B5/02225—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers using the oscillometric method
Definitions
- the present invention relates to a cuff for a blood pressure information measuring device that is used by being wound around a measurement site of a living body to measure blood pressure information, and a blood pressure information measuring device including the same, and more particularly, a pulse wave is used as blood pressure information.
- the present invention relates to a blood pressure information measuring device configured to be able to obtain and a cuff for a blood pressure information measuring device provided in the blood pressure information measuring device.
- the blood pressure information measuring device is a device for measuring these blood pressure information, and is expected to be further utilized in the fields of early detection, prevention, treatment and the like of cardiovascular diseases.
- the blood pressure information widely includes various information on the circulatory system such as systolic blood pressure value, diastolic blood pressure value, average blood pressure value, pulse wave, pulse, and various indexes indicating arteriosclerosis.
- a blood pressure information measuring device cuff (hereinafter also simply referred to as a cuff) is used for measuring blood pressure information.
- the cuff means a band-like or annular structure including a fluid bag having a lumen, which can be wound around a part of a living body, and fluid such as gas or liquid is injected into the lumen.
- the fluid bag is inflated and contracted to be used for measuring blood pressure information.
- the cuff used by being wound around the arm is also called an armband or a manchette.
- an air bag formed in a bag shape by laminating relatively soft sheet-like members made of resin or the like and joining the peripheral edges thereof is used as the fluid bag contained in the cuff. Since the air bag is composed of a relatively soft member as described above, there is a property that wrinkles are likely to be generated on the surface of the air bag in a state where the cuff is wound around the measurement site of the living body.
- the frequency of wrinkles is also different due to the difference in the shape of the wearing part (mainly the difference in circumference, the difference in curvature, etc.)
- the occurrence of wrinkles can cause variations in measurement accuracy.
- a cuff having two or more air bags has been proposed for the purpose of acquiring a blood pressure value and an index indicating the degree of arteriosclerosis by measuring a pulse wave more precisely.
- References disclosing cuffs having two or more air bags include, for example, Japanese Patent Application Laid-Open Nos. 2000-79101, 2005-185295, 2007-44362, and 2008. -307181.
- the belt-shaped member extending along the cuff winding direction is disposed inside the air bag, so that the width of the belt-shaped member extends along both sides.
- the formation of soot is suppressed by forming the air flow path.
- a ventilation member formed of a sponge or the like is disposed inside the air bag, so that a ventilation member formed inside the ventilation member.
- the passage is configured to suppress the generation of soot by ensuring the air flow path in the air bag.
- a sliding sheet as a low friction member is disposed between the outer cover enclosing the air bag and the living body compression surface of the air bag.
- the sliding of the air bag on the sliding sheet is improved, and the generation of wrinkles is suppressed.
- the present invention has been made to solve the above-mentioned problems, and has a simple configuration and a cuff for a blood pressure information measuring device having a simple configuration capable of effectively suppressing the generation of wrinkles on the surface of a small-capacity fluid bag.
- An object of the present invention is to provide a blood pressure information measuring device provided.
- the cuff for a blood pressure information measuring device takes an annular form in a mounted state wound around a worn part, and has a wide first fluid bag wound around the worn part in the worn state. And a second fluid bag having a narrow width that is disposed closer to the attachment site than the first fluid bag in the attached state and is wound around the attachment site in a state of being covered by the first fluid bag. ing.
- the second fluid bag is fixed to the first fluid bag so as to be relatively immovable with respect to the first fluid bag, and the first fluid along the winding direction with respect to the site to be measured.
- a movable portion that is not fixed to the first fluid bag so as to be movable relative to the bag.
- the first fluid bag is wound around a portion including the central side and the distal side of the attachment site in the attached state, and the second fluid bag is in the attached state. It is preferable that the wire is wound only on a portion including the central side of the attachment site.
- the cuff for a blood pressure information measuring device preferably further includes a guide part for guiding the movement of the movable part along the winding direction.
- the cuff for a blood pressure information measuring device is preferably disposed between the first fluid bag and the second fluid bag, and vibration generated in the first fluid bag propagates to the second fluid bag.
- a vibration blocking unit that prevents vibration generated in the second fluid bag from propagating to the first fluid bag.
- the cuff for a blood pressure information measuring device is preferably provided between a guide member for guiding movement of the movable part along the winding direction, and the first fluid bag and the second fluid bag.
- a vibration isolation member for preventing the vibration generated in the first fluid bag from propagating to the second fluid bag and preventing the vibration generated in the second fluid bag from propagating to the first fluid bag.
- each of the guide member and the vibration isolation member is formed of a non-woven fabric formed in a band shape, and the vibration isolation member includes the first fluid bag and the second fluid bag. And is fixed to the first fluid bag, and the guide member is disposed so as to overlap with the vibration isolation member so as to cover at least a part of the second fluid bag.
- the entire movable part may be inserted and disposed in the passage.
- the end of the movable part opposite to the side where the fixed part is located may be drawn out of the passage.
- a part of the second fluid bag is fixed to the first fluid bag via the vibration blocking member, whereby the fixing portion is formed.
- the fixing portion is formed.
- it is.
- the vibration isolation member is fixed to the first fluid bag, the guide member is fixed to the vibration isolation member, and the vibration isolation of the second fluid bag is performed. It is preferable that the fixing to the member is performed by welding.
- the fixing portion is located at one end in the longitudinal direction of the second fluid bag.
- the cuff for a blood pressure information measuring device preferably further includes an exterior cover that encloses the first fluid bag and the second fluid bag, and in this case, the exterior cover in the winding direction is provided.
- the fixing portion is disposed on the end portion side that is located on the mounted site side in the mounted state.
- the fixing portion may be located at a substantially central portion in the longitudinal direction of the second fluid bag.
- the blood pressure information measuring device includes any one of the above-described cuffs for the blood pressure information measuring device.
- a cuff for a blood pressure information measuring device with a simple configuration that can effectively suppress the generation of wrinkles on the surface of a small-capacity fluid bag, and a blood pressure information measuring device including the same.
- FIG. 3 is a cross-sectional view (cross-sectional view taken along the line III-III shown in FIG. 2) when the cuff for a blood pressure information measurement device according to Embodiment 1 of the present invention is cut along a plane orthogonal to the axial direction.
- FIG. 4 is a cross-sectional view (cross-sectional view taken along line IV-IV shown in FIG.
- Embodiment 1 of the present invention when the cuff for a blood pressure information measurement device according to Embodiment 1 of the present invention is cut along a plane parallel to the axial direction. It is a figure which shows the structure of the functional block of the blood-pressure information measuring apparatus in Embodiment 1 of this invention. It is a flowchart which shows the measurement operation
- FIG. 5B is a schematic cross-sectional view of a cuff in a comparative example of a winding process. It is a top view which shows the structure of the air bag of the cuff for blood-pressure information measuring apparatuses which concerns on the 1st modification based on Embodiment 1 of this invention.
- FIG. 6 is a schematic cross-sectional view (schematic cross-sectional view along the line XIA-XIA shown in FIG. 10) showing the configuration of the air bag of the cuff for a blood pressure information measurement device according to the first modification based on Embodiment 1 of the present invention. is there.
- FIG. 6 is a schematic cross-sectional view (schematic cross-sectional view along the line XIB-XIB shown in FIG.
- Embodiments 1 and 2 and modifications thereof as a blood pressure information measuring device to which the present invention is applied, a function of acquiring and displaying blood pressure values such as the highest blood pressure and the lowest blood pressure, and a pulse wave A blood pressure information measuring device having a function of acquiring and displaying an index indicating the degree of arteriosclerosis and displaying it will be described as an example.
- the same portions or corresponding portions are denoted by the same reference numerals in the drawings, and description thereof will not be repeated individually.
- FIG. 1 is a perspective view showing an external structure of a blood pressure information measurement device according to Embodiment 1 of the present invention
- FIG. 2 is a development view when the cuff shown in FIG. 1 is viewed from the outer peripheral surface side.
- 3 is a cross-sectional view of the cuff shown in FIG. 1 cut along a plane orthogonal to the axial direction.
- FIG. 4 shows the cuff shown in FIG. 1 cut along a plane parallel to the axial direction.
- the cross sections shown in FIG. 3 and FIG. 4 are cross sections in a portion including a pulse wave measurement air bag, which will be described later, and are respectively taken along the lines III-III and IV-IV shown in FIG. Including a cross section along the line.
- the blood pressure information measurement device 1 includes a main body 10, a cuff 20 ⁇ / b> A, and an air tube 70.
- the main body 10 has a box-shaped casing 11, and a display unit 42 and an operation unit 43 are provided on the upper surface thereof.
- the main body 10 is used by being placed on a placement surface such as a table at the time of measurement.
- the cuff 20 ⁇ / b> A has a belt-like form that can be wound around the upper arm as a wearing part, and is covered with an exterior cover 21 as an exterior body.
- the cuff 20A is worn and used by being wound around the upper arm during measurement.
- the air tube 70 connects the main body 10 and the cuff 20A that are separated from each other, and is formed of a flexible tube.
- the cuff 20 ⁇ / b> A includes the above-described exterior cover 21, a large-capacity blood pressure measurement air bag 24 as a first fluid bag, and a small-capacity pulse wave as a second fluid bag.
- the measuring air bag 23 and a curler 26 as a curved elastic plate are mainly provided.
- the exterior cover 21 has an inner cover 21 a that comes into contact with the surface of the upper arm when the cuff 20 ⁇ / b> A is wound around the upper arm, and the cuff 20 ⁇ / b> A is wound around the upper arm.
- the outer cover 21b which is positioned on the outermost side in the state, is overlapped and the periphery thereof is joined (for example, stitching or welding) to form a bag.
- the above-described pulse wave measurement air bladder 23, blood pressure value measurement air bladder 24, and curler 26 are stacked and accommodated in this order from the inside.
- hook and loop fastener 29A is made of, for example, a hook fastener
- hook and loop fastener 29B is made of, for example, a loop fastener.
- These hook-and-loop fasteners 29A and 29B are engaged when the outer cover 21 is wrapped around the upper arm and the portion near the one end 21A and the portion near the other end of the outer cover 21 are overlapped on the surface of the upper arm. Stop.
- the cuff 20A is fixedly attached to the upper arm. That is, the hook and loop fasteners 29A and 29B correspond to locking portions when the cuff 20A is attached to the upper arm.
- the inner cover 21a is sufficiently expanded and contracted so that the compression force applied to the upper arm by the inflation of the pulse wave measurement air bladder 23 and the blood pressure value measurement air bladder 24 is not hindered by the inner cover 21a.
- a member rich in properties is preferably used.
- the outer cover 21b in the outer cover 21 a member having less stretchability than the inner cover 21a is used.
- the exterior cover 21 a fabric made of synthetic fibers such as polyamide (PA) and polyester capable of adjusting the size of stretchability relatively easily is used.
- the pulse wave measurement air bag 23 is preferably made of a bag-like member formed using a resin sheet, and is located on the inner side in the mounted state. 23a, the outer peripheral part 23b which will be located outside in the mounting state, and the inner peripheral part 23a and the inner cavity 23c defined by the outer peripheral part 23b.
- the air bag 23 for measuring pulse waves for example, one formed in a bag shape by overlapping two resin sheets and welding the peripheral edges thereof can be used.
- the lumen 23c of the pulse wave measurement air bladder 23 is connected to a pressurization pump 31A and an exhaust valve 32A (see FIG. 5), which will be described later, via the air tube 70 described above.
- the pressurization pump 31A and the exhaust valve The pressure is increased and reduced by 32A.
- the pulse wave measurement air bladder 23 may be one in which a ridge is formed on the side portion in the width direction.
- the blood pressure measurement air bladder 24 is preferably made of a bag-like member formed using a resin sheet, and an inner peripheral portion 24a that is positioned inside in a state where the cuff 20A is wound around the upper arm;
- the cuff 20 ⁇ / b> A has an outer peripheral portion 24 b that is positioned outside in a state where the cuff 20 ⁇ / b> A is wound around the upper arm, and an inner cavity 24 c and a lumen 24 c defined by the outer peripheral portion 24 b.
- a bag formed by stacking two resin sheets and welding their peripheral edges can be used.
- the lumen 24c of the blood pressure value measuring air bladder 24 is connected to a pressurization pump 31A and an exhaust valve 32A (see FIG. 5), which will be described later, via the air tube 70 described above, and the pressurization pump 31A and the exhaust valve.
- the pressure is increased and reduced by 32A.
- the blood pressure value measuring air bladder 24 may be one in which a heel is formed on the side portion in the width direction.
- any material can be used as long as it is rich in elasticity and does not leak from the lumen after welding. Anything can be used.
- suitable materials for the resin sheet include ethylene-vinyl acetate copolymer (EVA), soft vinyl chloride (PVC), polyurethane (PU), polyamide (PA), and raw rubber.
- the wide blood pressure measurement air bladder 24 is disposed so as to be positioned substantially over the entire width of the cuff 20A.
- the narrow pulse wave measurement air bladder 23 is disposed so as to be located only on one end side in the width direction of the cuff 20A.
- the one end portion in the width direction of the cuff 20A on the side where the pulse wave measurement air bladder 23 is disposed is an end portion disposed on the central side in the mounted state, and therefore the pulse wave measurement air bladder 23 is In the wearing state, it is wound only on the central side of the upper arm, which is the wearing part.
- the blood pressure value measuring air bladder 24 is wound over the entire region including the central side and the peripheral side of the upper arm, which is the attachment site in the attached state.
- the air bag 23 for measuring the pulse wave is disposed so as to be superimposed on the air bag 24 for measuring the blood pressure value so as to be positioned inside the air bag 24 for measuring the blood pressure value in the mounted state.
- the air bag 24 also covers the outside of the pulse wave measurement air bag 23 on the one end side in the width direction of the cuff 20A.
- the pulse wave measurement air bladder 23 has a smaller capacity than the blood pressure value measurement air bladder 24.
- the air capacity of the pulse wave measurement air bladder 23 is equal to the air capacity of the blood pressure value measurement air bladder 24. 1/5 or less.
- the size of the pulse wave measurement air bladder 23 is about 20 mm ⁇ 200 mm, and the blood pressure value measurement air bladder 24 is about 90 mm to 105 mm ⁇ 200 mm.
- the curler 26 is made of a flexible member configured to be elastically deformable in the radial direction by being wound in an annular shape, and extends along a predetermined axial position along the axial direction. It has a cut that extends. Due to the cut, the curler 26 is elastically deformed so as to expand and contract in the radial direction when an external force is applied. That is, when the external force is applied, the curler 26 is deformed in the radial direction, but when the external force is no longer applied, the curler 26 is restored to the original state.
- the curler 26 is configured to follow the upper arm by maintaining its own annular form.
- the curler 26 is used to make it easier for the subject himself to wear the cuff 20A around the upper arm, and the pulse wave measuring air bag 23 and the blood pressure value measuring air bag 24 are mounted in a state where the cuff 20A is wound around the upper arm. It is for urging toward the upper arm side.
- the curler 26 is formed of a resin member such as polypropylene (PP) so as to exhibit a sufficient elastic force.
- one end of the pulse wave measurement air bag 23 in the winding direction with respect to the upper arm (that is, the circumferential direction of the cuff 20A after winding) is connected to the blood pressure via the adhesive member 27.
- a portion excluding the one end is fixed to the value measurement air bladder 24, and a portion other than the one end portion is not fixed to the blood pressure value measurement air bladder 24.
- the one end portion of the pulse wave measurement air bladder 23 fixed to the blood pressure value measurement air bladder 24 via the adhesive member 27 cannot move relative to the blood pressure value measurement air bladder 24.
- the portion excluding the one end of the pulse wave measurement air bag 23 that is not fixed to the blood pressure value measurement air bag 24 is a blood pressure value measurement along the winding direction. It functions as a movable part 23e that can move relative to the air bag 24.
- fixed part 23d of the air bag 23 for pulse wave measurement is one end part which will be located inside in the state wound around the upper arm among a pair of edge parts of the exterior cover 21 in the said winding direction. It is arranged on the 21A side.
- the adhesive member 27 for example, a double-sided tape having adhesive layers on both sides can be suitably used.
- the adhesive member 27 also has a function as a vibration blocking member for preventing vibration generated in the pulse wave measurement air bladder 23 and the blood pressure value measurement air bladder 24 from being transmitted to each other.
- a double-sided tape or the like in which an adhesive layer is provided on both surfaces of a sponge member such as a urethane sheet can be suitably used.
- FIG. 5 is a diagram showing a functional block configuration of the blood pressure information measurement device according to the present embodiment. Next, with reference to FIG. 5, the structure of the functional block of the blood pressure information measurement device in the present embodiment will be described.
- the blood pressure information measurement device 1 includes a pressure sensor 33A in addition to the above-described pulse wave measurement air bladder 23, blood pressure value measurement air bladder 24, display unit 42, and operation unit 43. , 33B, pressurizing pump 31A and exhaust valve 32A as pressure increasing / decreasing mechanism 30A, CPU (Central Processing Unit) 40 as control unit, memory unit 41 as storage means, first piping unit 71 and second piping as piping It mainly has a portion 72 and a two-port valve 50 as an on-off valve.
- CPU Central Processing Unit
- the pressurizing pump 31A and the exhaust valve 32A as the pressure increasing / decreasing mechanism 30A are for increasing and decreasing the pressure wave measuring air bag 23 and the blood pressure value measuring air bag 24.
- the driving of the pressurizing pump 31A is controlled by a pressurizing pump driving circuit 36A that receives a command from the CPU 40, and these are introduced by introducing compressed air into the pulse wave measuring air bladder 23 and the blood pressure value measuring air bladder 24.
- the air bag 23 for measuring the pulse wave and the air bag 24 for measuring the blood pressure value are pressurized.
- the exhaust valve 32A is driven by an exhaust valve drive circuit 37A that receives a command from the CPU 40, and maintains the internal pressures of the pulse wave measurement air bladder 23 and the blood pressure value measurement air bladder 24 in the closed state, and is in the open state.
- an exhaust valve drive circuit 37A that receives a command from the CPU 40, and maintains the internal pressures of the pulse wave measurement air bladder 23 and the blood pressure value measurement air bladder 24 in the closed state, and is in the open state.
- the pressure sensor 33A is a pressure detection unit for detecting the internal pressure of the blood pressure value measurement air bladder 24.
- the pressure sensor 33A detects the internal pressure of the blood pressure value measurement air bladder 24, and outputs a signal corresponding to the detected internal pressure to the amplifier 38A.
- the amplifier 38A amplifies the signal input from the pressure sensor 33A and outputs the amplified signal to an A / D (Analog / Digital) converter 39A.
- the A / D converter 39A converts the amplified signal input from the amplifier 38A from an analog signal to a digital signal, and outputs the converted digital signal to the CPU 40.
- the pressure sensor 33B is a pressure detection unit for detecting the internal pressure of the pulse wave measurement air bladder 23.
- the pressure sensor 33B detects the internal pressure of the pulse wave measurement air bladder 23, and outputs a signal corresponding to the detected internal pressure to the amplifier 38B.
- the amplifier 38B amplifies the signal input from the pressure sensor 33B, and outputs the amplified signal to the A / D converter 39B.
- the A / D converter 39B converts the amplified signal input from the amplifier 38B from an analog signal to a digital signal, and outputs the converted digital signal to the CPU 40.
- the first piping section 71 connects the blood pressure value measurement air bladder 24 to the pressurizing pump 31A, the exhaust valve 32A, and the pressure sensor 33A.
- the second piping part 72 branches from a predetermined position of the first piping part 71 and connects the first piping part 71 to the pulse wave measurement air bladder 23 and the pressure sensor 33B.
- the pulse wave measurement air bladder 23 is mainly connected to the pressurization pump 31A and the exhaust valve 32A via the first piping portion 71 and the second piping portion 72, and also via the second piping portion 72. And it is connected to the pressure sensor 33B.
- a part of the first piping part 71 and the second piping part 72 corresponds to the air pipe 70 described above.
- the 2-port valve 50 is provided at a predetermined position of the second piping part 72.
- the 2-port valve 50 is driven by a 2-port valve drive circuit 51 that has received a command from the CPU 40.
- the open state the first piping section 71 and the pulse wave measurement air bladder 23 are communicated with each other.
- the first piping part 71 and the pulse wave measurement air bladder 23 are disconnected from each other, and the internal pressure of the pulse wave measurement air bladder 23 is maintained.
- the operation unit 43 is for accepting a user's operation and outputting it to the CPU 40, and is constituted by a push button, for example.
- the display unit 42 displays the operation state of the blood pressure information measurement device 1 and displays information such as the measurement result of the blood pressure value and the measurement result of the index indicating the degree of arteriosclerosis output from the CPU 40 after the measurement.
- it is composed of LCD (Liquid Crystal Display).
- the memory unit 41 is for storing a program executed by the CPU 40 and for storing information such as the above measurement results.
- RAM Random-Access Memory
- ROM Read-Only Memory
- the CPU 40 controls the entire operation of the blood pressure information measurement device 1 and accepts inputs from the operation unit 43 and the memory unit 41 and outputs various types of information to the display unit 42 and the memory unit 41. . Further, the CPU 40 receives input of information on the pressure detected by the pressure sensors 33A and 33B, generates signals for driving the pressurizing pump 31A, the exhaust valve 32A, and the two-port valve 50, and outputs them. To do. Further, the CPU 40 functions as a blood pressure value acquisition unit that calculates and acquires a blood pressure value based on the pressure information input from the pressure sensor 33A, and the pulse based on the pressure information input from the pressure sensor 33B. It functions as a pulse wave acquisition unit that detects and acquires a wave, and also functions as an index calculation unit that calculates an index indicating the degree of arteriosclerosis based on the acquired pulse wave.
- a known oscillometric blood pressure value calculation method or the like can be applied, and the description thereof is omitted here.
- a method for calculating an index indicating the degree of arteriosclerosis in the CPU 40 a method for calculating based on Tr (traveling time to reflected wave: ⁇ Tp) of the obtained pulse wave waveform is obtained. Since known methods such as a method of calculating based on the AI (Augmentation Index) of the pulse wave waveform can be applied, the description thereof is omitted here.
- FIG. 6 is a flowchart showing the measurement operation of the blood pressure information measurement device according to the present embodiment.
- the program for executing the measurement operation shown in this flowchart is stored in advance in the memory unit shown in FIG. 5, and the measurement shown in the flowchart is performed when the CPU reads this program from the memory unit and executes it. Operation is realized.
- FIG. 7 is a schematic diagram showing a wearing state in which the cuff shown in FIG. 1 is wound around the upper arm.
- the cuff 20A When measuring various blood pressure information using the blood pressure information measuring apparatus 1 in the present embodiment, first, as shown in FIG. 7, the cuff 20A is worn on the upper arm 101 of the subject's left hand 100. At this time, as shown in the drawing, the cuff 20A is mounted so that the pulse wave measurement air bladder 23 is located on the center side of the mounting portion of the cuff 20A, and the surface fasteners 29A and 29B provided on the exterior cover 21 are mounted. By using this, the cuff 20A is wound around the circumferential direction of the upper arm 101 to be surely fixed. Next, when the subject or the like operates the operation unit 43 of the main body 10, the blood pressure information measurement device 1 starts the measurement operation.
- the CPU 40 when the CPU 40 receives an instruction to start a measurement operation, the CPU 40 initializes each unit (step S101). Specifically, the CPU 40 opens the 2-port valve 50 and closes the exhaust valve 32A.
- the CPU 40 starts pressurization of the pulse wave measurement air bladder 23 and the blood pressure value measurement air bladder 24 by driving the pressurization pump 31A (step S102).
- the CPU 40 acquires pressure information for calculating blood pressure values such as the maximum blood pressure and the minimum blood pressure. Specifically, the CPU 40 acquires the pressure information based on the pressure signal input from the pressure sensor 33A.
- the CPU 40 determines whether or not the measurement of the blood pressure value is completed (step S103), and when it is determined that the measurement of the blood pressure value is completed (YES in step S103), the CPU 40 measures the pulse wave.
- Start step S104. Specifically, the CPU 40 stops driving the pressurizing pump 31A, and then closes the 2-port valve 50. As a result, the internal pressure of the air bag 23 for measuring the pulse wave and the internal pressure of the air bag 24 for measuring the blood pressure value are maintained at pressures higher than the maximum blood pressure, respectively, and the artery is blocked at the site where the upper arm is worn.
- the pulse wave propagated through the subcutaneous tissue from the artery adjacent to the central end of the center of the heart is sensitively observed in the small-capacity pulse wave measurement air bag 23.
- the CPU 40 acquires a pulse wave based on a signal input from the pressure sensor 33B.
- the CPU 40 determines whether or not the measurement of the pulse wave has been completed (step S105). When it is determined that the measurement of the pulse wave has been completed (YES in step S105), the CPU 40 shifts to a stop operation. (Step S106). Specifically, the CPU 40 opens the 2-port valve 50 and opens the exhaust valve 32A.
- the CPU 40 performs blood pressure value calculation and pulse wave analysis (step S107). Specifically, the CPU 40 calculates indices indicating the maximum blood pressure, the minimum blood pressure, and the degree of arteriosclerosis based on the acquired pressure information and the pulse wave.
- the CPU 40 displays an index indicating the calculated maximum blood pressure, minimum blood pressure and arteriosclerosis degree on the display unit 42 (step S108). At that time, the CPU 40 may output the measurement result to the memory unit 41 and store it in the memory unit 41. After the measurement result is displayed, the cuff 20A is removed from the upper arm of the subject.
- one end portion in the winding direction of the pulse wave measurement air bag 23 is fixed to the blood pressure value measuring air bag 24.
- the portion excluding the one end of the pulse wave measurement air bladder 23 is not fixed to the blood pressure value measurement air bladder 24 and is movable along the winding direction.
- FIG. 8 is a conceptual diagram for explaining the reason why wrinkles are less likely to occur in the air bag by using the cuff for the blood pressure information measurement device according to the present embodiment
- (A) is a schematic cross-sectional view of the cuff before winding.
- (B) is a schematic cross-sectional view of the cuff in the winding process.
- FIG. 9 is a conceptual diagram for comparison for explaining the reason why wrinkles are less likely to occur in the air bag by using the cuff for the blood pressure information measurement device according to the present embodiment.
- FIG. 5B is a schematic cross-sectional view of a cuff in the comparative example
- FIG. 5B is a schematic cross-sectional view of the cuff in the comparative example of the winding process.
- illustration of portions other than the inner peripheral portion 24a of the pulse wave measurement air bladder 23, the adhesive member 27, and the blood pressure value measurement air bladder 24 is omitted.
- both ends in the winding direction of the pulse wave measurement air bladder 23 are blood pressure measurement air. It is fixed to the bag 24 and cannot be moved. More specifically, one end portion in the winding direction of the pulse wave measurement air bladder 23 is fixed to the inner peripheral portion 24a of the blood pressure value measurement air bladder 24 via the adhesive member 27 to be a fixing portion 23d. The other end portion in the winding direction of the pulse wave measurement air bladder 23 is fixed to the inner peripheral portion 24a of the blood pressure value measurement air bladder 24 via an adhesive member 27 'to form a fixed portion 23d'.
- the pulse wave measurement air bag 23 is also curved as a whole as the curler 26 (not shown) is bent. It becomes a shape.
- both ends of the pulse wave measurement air bladder 23 are fixed and restrained to the blood pressure value measurement air bladder 24, the pulse wave measurement air bag 24 is located inside the blood pressure value measurement air bladder 24.
- the diameter of the air bag 23 is reduced, an excess portion is generated in the pulse wave measurement air bag 23, and the pulse wave measurement air bag 23 is waved as shown in FIG.
- the undulated portion of the pulse wave measurement air bladder 23 is pressed as it is toward the upper arm, and this occurs on the surface of the pulse wave measurement air bladder 23. Become.
- the one end in the winding direction of the pulse wave measurement air bladder 23 (corresponding to the direction of arrow A shown in the figure) is blood pressure. It is fixed to the value measurement air bladder 24 and cannot be moved, and a portion other than the one end is not fixed to the blood pressure value measurement air bag 24 and is movable. More specifically, the one end portion in the winding direction of the pulse wave measurement air bladder 23 is fixed to the inner peripheral portion 24a of the blood pressure value measurement air bladder 24 via the adhesive member 27 to form a fixed portion 23d. The portion excluding the one end is merely a movable portion 23e that is addressed to the inner peripheral portion 24a of the blood pressure value measuring air bladder 24.
- the pulse wave measurement air bag 23 is also entirely moved along with the bending of the curler 26 (not shown). As a curved shape.
- the movable portion 23e of the pulse wave measurement air bladder 23 is only addressed to the blood pressure value measurement air bladder 24, the movable portion 23e follows the winding direction from the fixed portion 23d. Thus, it slides in the direction indicated by the arrow B in the figure, and no surplus portion is generated in the pulse wave measurement air bladder 23.
- the pulse wave measurement air bladder 23 is sandwiched between the blood pressure value measurement air bladder 24 and the upper arm without generating a waved portion in the pulse wave measurement air bladder 23. Therefore, wrinkles are less likely to occur on the surface of the pulse wave measurement air bladder 23.
- the cuff 20A for blood pressure information measurement device and the blood pressure information measurement device 1 having the same in the present embodiment described above it is effective that wrinkles occur in the air bag 23 for pulse wave measurement. It is possible to provide a cuff for a blood pressure information measuring device having a simple configuration that can be suppressed and a blood pressure information measuring device including the same. Therefore, not only the problem of congestion due to the occurrence of hemorrhoids is solved, but also the artery is stably and evenly compressed without being affected by the shape difference of the wearing part to which the cuff 20A is attached. It becomes possible to measure various blood pressure information including a pulse wave and arteriosclerosis degree and including an index with high accuracy.
- FIG. 10 is a plan view showing a configuration of an air bag of a cuff for a blood pressure information measurement device according to a first modification based on the present embodiment.
- FIG. 11A is a schematic cross-sectional view along the XIA-XIA line shown in FIG. 10 showing the configuration of the air bag of the blood pressure information measuring device cuff according to the modification
- FIG. 11B is shown in FIG.
- FIG. 6 is a schematic cross-sectional view taken along line XIB-XIB.
- the configuration of the air bag of the blood pressure information measurement device cuff according to the first modification is a pulse wave measurement as provided in the blood pressure information measurement device cuff in the present embodiment described above.
- the air bag 23 and the blood pressure value measuring air bag 24 are particularly preferably used as a double air bag formed by laminating. That is, in the blood pressure information measuring device 1 and the cuff 20A provided in the above-described embodiment, one end of the pulse wave measuring air bag 23 is air pressure measuring air using the adhesive member 27.
- the case where it was fixed to the bag 24 was illustrated, in the double air bag according to the first modified example, this can be configured more easily by welding.
- FIG. 10 only the second piping part 72 connected to the pulse wave measurement air bladder 23 is shown, and the first piping part 71 connected to the blood pressure value measurement air bladder 24 is not shown. Yes.
- the exposed surface of the inner peripheral portion 24a of the blood pressure value measuring air bag 24 (that is, in the cuff wearing state).
- the intermediate sheet 28 as the vibration isolating member / the air bag 23 for measuring the pulse wave / the cover sheet 80 as the guide member are laminated in this order on the main surface located on the living body side, and these predetermined portions are welded to each other.
- the blood pressure measurement air bladder 24, the intermediate sheet 28, the pulse wave measurement air bladder 23 and the cover sheet 80 are integrated, and one end portion of the pulse wave measurement air bladder 23 in the winding direction moves.
- the blood pressure value measuring air bag 24 is impossiblely fixed.
- a urethane sheet made of a non-woven fabric configured in a band shape so that it can be welded to the air bag 23 for measuring the pulse wave and the air bag 24 for measuring the blood pressure value. It can be suitably used.
- the intermediate sheet 28 is superimposed on the inner peripheral portion 24a of the blood pressure value measuring air bladder 24, and the periphery thereof is welded to the inner peripheral portion 24a of the blood pressure value measuring air bladder 24. Is superposed on the intermediate sheet 28 welded to the inner peripheral portion 24 a of the blood pressure value measurement air bladder 24, and a predetermined portion on the periphery thereof is welded to the intermediate sheet 28. Further, the pulse wave measurement air bladder 23 is arranged so that the movable portion 23e is inserted and positioned in a passage 90 defined by the intermediate sheet 28 and the cover sheet 80, and one end portion in the winding direction thereof is arranged. The fixing portion 23d is welded to the intermediate sheet 28 and the cover sheet 80.
- the cover sheet 80 corresponding to the portion to which the second piping portion 72 of the pulse wave measurement air bladder 23 is connected is provided with a notch portion 81, and the notch portion 81 is interposed through the notch portion 81. 2
- the piping part 72 is pulled out to the outside of the cover sheet 80.
- the cutout portion 81 is sized in consideration of movement along the winding direction of the movable portion 23e of the pulse wave measurement air bladder 23.
- the fixing portion 23d of the pulse wave measurement air bag 23 is fixed to the blood pressure value measurement air bag 24 via the intermediate sheet 28 and cannot be moved.
- the movable portion 23e is inserted into the passage 90 and is movable along the winding direction.
- the intermediate sheet 28 serving as the vibration blocking member functions as a vibration blocking unit that prevents the vibration from propagating
- the cover sheet 80 serving as the guide member serves as the pulse wave measurement air bag 23. It functions as a guide part for guiding the movement of the movable part 23e.
- the welded portion between the blood pressure value measuring air bladder 24 and the intermediate sheet 28 is indicated by reference numeral 28f
- the welded portion between the intermediate sheet 28 and the cover sheet 80 is indicated by reference numeral 80f.
- the welded portion between the pulse wave measurement air bladder 23 and the intermediate sheet 28 is indicated by reference numeral 28 g
- the weld portion between the pulse wave measurement air bladder 23 and the cover sheet 80 is indicated by reference numeral 80 g. Yes.
- the welded portion between the inner peripheral portion 23a and the outer peripheral portion 23b of the pulse wave measurement air bladder 23 is indicated by reference numeral 23f
- the inner peripheral portion 24a and the outer peripheral portion of the blood pressure value measuring air bladder 24 are also shown.
- a welded portion with 24b is indicated by reference numeral 24f.
- the pulse wave measuring air is formed by superposing the resin sheets to be the inner peripheral portion 23a and the outer peripheral portion 23b of the pulse wave measuring air bag 23 and welding the peripheral edges thereof.
- a bag 23 is formed.
- the intermediate sheet 28 and the cover sheet 80 are overlapped on the pulse wave measurement air bladder 23 and the periphery thereof is welded.
- the one end portion of the pulse wave measurement air bladder 23 (the portion that becomes the fixing portion 23d) is welded to both the intermediate sheet 28 and the cover sheet 80, and the one end of the pulse wave measurement air bladder 23 is the above-mentioned one end.
- the portion excluding the portion (the portion that becomes the movable portion 23e) is inserted into the passage 90 defined by the intermediate sheet 28 and the cover sheet 80. Subsequently, the subassembly in which the pulse wave measurement air bladder 23, the intermediate sheet 28, and the cover sheet 80 are integrated is superposed on the inner peripheral portion 24a of the blood pressure value measurement air bladder 24, and the periphery thereof is welded. Thereafter, the outer peripheral portion 24b is superimposed on the inner peripheral portion 24a of the blood pressure value measuring air bladder 24 to which the sub-assembly is welded, and the peripheral edge thereof is welded to complete the double air bag having the above-described configuration.
- the double air bag according to the first modification described above By using the double air bag according to the first modification described above, it is possible to effectively suppress the generation of soot in the pulse wave measurement air bag 23 with a very simple configuration.
- the double air bag according to the first modification can be easily manufactured by simply repeating the welding operation as described above a plurality of times, blood pressure information can be obtained at low cost.
- a cuff for a measuring device can be manufactured.
- FIG. 12 is a plan view showing a configuration of an air bag of a cuff for a blood pressure information measurement device according to a second modification based on the present embodiment. Below, with reference to this FIG. 12, the structure of the air bag of the cuff for blood pressure information measuring devices which concerns on the 2nd modification based on this Embodiment is demonstrated.
- the configuration of the air bag of the blood pressure information measuring device cuff according to the second modified example is the air of the cuff for the blood pressure information measuring device according to the first modified example described above. It has basically the same configuration as the bag, and one end portion in the winding direction of the cover sheet 80 as a guide member is opened without being welded to the intermediate sheet 28 to be an open end 82, and the open end 82. The only difference is that the end of the pulse wave measurement air bladder 23 opposite to the side where the fixing portion 23d is located is drawn out.
- the same effect as that obtained when the double air bag according to the first modification based on the present embodiment described above is obtained can be obtained. Furthermore, since a part of the movable part 23e of the pulse wave measurement air bladder 23 freely enters and exits from the open end 82, the movement of the movable part 23e of the pulse wave measurement air bladder 23 is caused by the passage 90. There is no restriction, and it is possible to secure a larger movement range of the movable portion 23e.
- FIG. 13 is a developed view of the blood pressure information measurement device cuff according to the second embodiment of the present invention as viewed from the outer peripheral surface side.
- FIG. 14 is a cross-sectional view of the cuff shown in FIG. 13 cut along a plane orthogonal to the axial direction.
- the cross section shown in FIG. 14 is a section including the pulse wave measurement air bag, and includes a cross section taken along the line XIV-XIV shown in FIG.
- the cuff 20B in the present embodiment is provided in the blood pressure information measurement device 1 in the first embodiment of the present invention described above, and the blood pressure of the cuff 20A and the pulse wave measurement air bag 23 in the first embodiment.
- the difference is only in the fixed position with respect to the air bag 24 for value measurement.
- the substantially central portion of the pulse wave measurement air bladder 23 in the winding direction with respect to the upper arm is interposed via the adhesive member 27.
- the portion excluding the substantially central portion is not fixed to the blood pressure value measuring air bag 24.
- the substantially central portion of the pulse wave measurement air bladder 23 fixed to the blood pressure value measurement air bladder 24 via the adhesive member 27 is not movable relative to the blood pressure value measurement air bladder 24.
- the portion excluding the substantially central portion of the pulse wave measurement air bag 23 not fixed to the blood pressure value measurement air bag 24 is a blood pressure along the winding direction. It functions as a movable portion 23e that can move relative to the value measurement air bladder 24.
- the cuff 20B in the present embodiment and the blood pressure information measurement device 1 including the cuff 20B blood pressure having a simple configuration that can effectively suppress the occurrence of wrinkles in the pulse wave measurement air bladder 23.
- An information measurement device cuff and a blood pressure information measurement device including the same can be provided. That is, since the pair of movable parts 23e of the pulse wave measurement air bag 23 arranged so as to sandwich the fixed part 23d is in a state of being only addressed to the blood pressure value measuring air bag 24, the fixed part 23d is The pair of movable parts 23e are slid along the winding direction at the base point, thereby preventing wrinkles from being generated in the pulse wave measurement air bag 23.
- FIG. 15 is a plan view showing a configuration of an air bag of a cuff for a blood pressure information measurement device according to a first modification based on the present embodiment.
- FIG. 15 the configuration of the cuff air bag of the blood pressure information measurement device according to the first modification based on the present embodiment will be described.
- the configuration of the air bag of the blood pressure information measurement device cuff according to the first modification is a pulse wave measurement as provided in the blood pressure information measurement device cuff in the present embodiment described above.
- the air bag 23 and the blood pressure value measuring air bag 24 are particularly preferably used as a double air bag formed by laminating. That is, in the cuff 20B in the present embodiment described above, the case where the substantially central portion of the pulse wave measurement air bladder 23 is fixed to the blood pressure value measurement air bladder 24 using the adhesive member 27 is exemplified. However, in the double air bag according to the first modified example, this can be configured more easily by performing welding. In FIG. 15, only the second piping part 72 connected to the pulse wave measurement air bladder 23 is shown, and the first piping part 71 connected to the blood pressure value measurement air bladder 24 is not shown. Yes.
- the exposed surface of the inner peripheral portion 24a of the blood pressure value measuring air bag 24 (that is, the main surface located on the living body side when the cuff is worn).
- the intermediate sheet 28 as the vibration isolating member / the air bag 23 for measuring the pulse wave / the cover sheet 80 as the guide member are laminated in this order, and these predetermined parts are welded to each other.
- the blood pressure measurement air bladder 24, the intermediate sheet 28, the pulse wave measurement air bladder 23, and the cover sheet 80 are integrated, and the blood pressure value measurement is performed so that the substantially central portion in the winding direction of the pulse wave measurement air bladder 23 is immovable.
- the air bag 24 is configured to be fixed.
- a urethane sheet made of a non-woven fabric configured in a band shape so that it can be welded to the air bag 23 for measuring the pulse wave and the air bag 24 for measuring the blood pressure value. It can be suitably used.
- the intermediate sheet 28 is superimposed on the inner peripheral portion 24a of the blood pressure value measuring air bladder 24, and the periphery thereof is welded to the inner peripheral portion 24a of the blood pressure value measuring air bladder 24. Is superposed on the intermediate sheet 28 welded to the inner peripheral portion 24 a of the blood pressure value measurement air bladder 24, and a predetermined portion on the periphery thereof is welded to the intermediate sheet 28. Further, the pulse wave measurement air bladder 23 is disposed so that the pair of movable portions 23e are respectively inserted and positioned in the pair of passages 90 defined by the intermediate sheet 28 and the cover sheet 80. A substantially central portion in the direction is welded to the intermediate sheet 28 and the cover sheet 80 to form a fixing portion 23d.
- the second piping part 72 is connected to the pulse wave measurement air bladder 23 in the vicinity of the fixing part 23d, and the notch 81 is provided in the cover sheet 80 where the second piping part 72 is located. Is provided.
- the fixing portion 23d of the pulse wave measurement air bag 23 is fixed to the blood pressure value measurement air bag 24 via the intermediate sheet 28 and cannot be moved.
- the pair of movable parts 23e are inserted through the pair of passages 90, respectively, and are movable along the winding direction.
- the intermediate sheet 28 as the vibration blocking member functions as a vibration blocking unit that prevents the vibration from propagating
- the cover sheet 80 as the guide member has the pulse wave measurement air bag 23. It functions as a guide part for guiding the movement of the pair of movable parts 23e.
- the welded portion between the blood pressure value measuring air bladder 24 and the intermediate sheet 28 is indicated by reference numeral 28f
- the welded portion between the intermediate sheet 28 and the cover sheet 80 is indicated by reference numeral 80f.
- the welded portion between the pulse wave measurement air bladder 23 and the intermediate sheet 28 is indicated by reference numeral 28 g
- the weld portion between the pulse wave measurement air bladder 23 and the cover sheet 80 is indicated by reference numeral 80 g. Yes.
- the welded portion between the inner peripheral portion 23a and the outer peripheral portion 23b of the pulse wave measurement air bladder 23 is indicated by reference numeral 23f
- the inner peripheral portion 24a and the outer peripheral portion of the blood pressure value measuring air bladder 24 are also shown.
- a welded portion with 24b is indicated by reference numeral 24f.
- the resin sheet to be the inner peripheral portion 23a and the outer peripheral portion 23b of the pulse wave measuring air bag 23 is overlapped and the peripheral edges thereof are welded, thereby the pulse wave measuring air.
- a bag 23 is formed.
- the intermediate sheet 28 and the cover sheet 80 are overlapped on the pulse wave measurement air bladder 23 and the periphery thereof is welded.
- the substantially central portion of the pulse wave measurement air bladder 23 (the portion serving as the fixing portion 23d) is welded to both the intermediate sheet 28 and the cover sheet 80, and the pulse wave measurement air bladder 23 is The portions excluding the substantially central portion (portions that become the pair of movable portions 23 e) are inserted into the pair of passages 90 defined by the intermediate sheet 28 and the cover sheet 80. Subsequently, the subassembly in which the pulse wave measurement air bladder 23, the intermediate sheet 28, and the cover sheet 80 are integrated is overlapped on the inner peripheral portion 24a of the blood pressure value measurement air bladder 24, and the periphery thereof is welded.
- the outer peripheral portion 24b is superimposed on the inner peripheral portion 24a of the blood pressure value measuring air bladder 24 to which the sub-assembly is welded, and the peripheral edge thereof is welded to complete the double air bag having the above-described configuration.
- the double air bag according to the first modification described above By using the double air bag according to the first modification described above, it is possible to effectively suppress the generation of soot in the pulse wave measurement air bag 23 with a very simple configuration.
- the double air bag according to the first modification can be easily manufactured by simply repeating the welding operation as described above a plurality of times, blood pressure information can be obtained at low cost.
- a cuff for a measuring device can be manufactured.
- FIG. 16 is a plan view showing a configuration of an air bag of a cuff for a blood pressure information measurement device according to a second modification based on the present embodiment.
- the configuration of the air bag of the cuff for the blood pressure information measurement device according to the second modification based on the present embodiment will be described.
- the configuration of the air bag of the cuff for a blood pressure information measurement device according to the second modification is the air of the cuff for the blood pressure information measurement device according to the first modification described above.
- Both ends of the cover sheet 80 as a guide member in the winding direction are opened without being welded to the intermediate sheet 28 to form a pair of open ends 82, The only difference is that both end portions of the pulse wave measurement air bladder 23 are drawn to the outside from the open end 82.
- the double air bag according to the second modification described above By using the double air bag according to the second modification described above, the same effect as that obtained when the double air bag according to the first modification based on the present embodiment described above is obtained can be obtained. Furthermore, since a part of the pair of movable portions 23e of the pulse wave measurement air bag 23 freely enters and exits from the pair of open ends 82, the pair of movable portions of the pulse wave measurement air bag 23 is provided. The movement of the pair 23e is not restricted by the pair of passages 90, and the movement range of the pair of movable parts 23e can be secured larger.
- a cuff for a blood pressure information measuring device having a configuration in which a curler as a curved elastic plate is included in an exterior cover, and a blood pressure information measuring device including the same
- the present invention can also be applied to a cuff for a blood pressure information measurement device that does not have a curler and a blood pressure information measurement device that includes the cuff.
- the main body and the cuff are configured separately, and the main body and the cuff are connected via a flexible air tube or the like.
- the present invention has been described by exemplifying the case where the present invention is applied to the blood pressure information measuring device and the blood pressure information measuring device cuff provided therein, but the blood pressure information measuring device in which the main body and the cuff are movably connected ( Naturally, it is also possible to apply the present invention to a so-called automatic wrapping blood pressure information measuring device) and a cuff for the blood pressure information measuring device provided therein.
- the present invention is applied to a cuff for a blood pressure information measurement device in which the upper arm is intended as a cuff attachment site and a blood pressure information measurement device including the same.
- a cuff for a blood pressure information measuring device intended to be worn and used on any limb selected from the four limbs of the body and blood pressure provided with the same The present invention can be applied to any information measuring device.
- blood pressure information measurement employing an air bag into which compressed air is injected as a pulse wave measurement air bag and a blood pressure value measurement air bag.
- the device cuff and the blood pressure information measurement device including the device cuff have been described as an example.
- the cuff is not particularly limited to the air bag, and a gas bag into which another gas is injected or a liquid bag into which a liquid is injected. Of course, it is also possible to configure them.
- the blood pressure information measuring device capable of acquiring the index indicating the maximum blood pressure, the minimum blood pressure, the degree of arteriosclerosis, and the blood pressure information included in the blood pressure information measuring device
- the present invention can naturally be applied even if blood pressure information other than the above is acquired.
- 1 blood pressure information measuring device 10 body, 11 casing, 20A, 20B cuff, 21 exterior cover, 21A one end, 21a inner cover, 21b outer cover, 23 pulse wave measurement air bag, 23a inner circumference, 23b outer circumference, 23c lumen, 23d fixed part, 23e movable part, 23f welded part, 24 blood pressure measurement air bag, 24a inner peripheral part, 24b outer peripheral part, 24c lumen, 24f welded part, 26 curlers, 27 adhesive members, 28 middle Seat, 28f, 28g welded part, 29A, 29B hook and loop fastener, 30A pressurization mechanism, 31A pressurization pump, 32A exhaust valve, 33A, 33B pressure sensor, 36A pressurization pump drive circuit, 37A exhaust valve drive circuit, 38A, 38B Amplifier, 39A, 39B A / D converter, 40 CPU, 41 Mori section, 42 display section, 43 operation section, 50 2-port valve, 51 2-port valve drive circuit, 70 air pipe, 71 first piping section, 72 second piping section
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Abstract
Description
図1は、本発明の実施の形態1における血圧情報測定装置の外観構造を示す斜視図であり、図2は、図1に示すカフを外周面側から見た場合の展開図である。また、図3は、図1に示すカフを軸方向と直交する平面に沿って切断した場合の断面図であり、図4は、図1に示すカフを軸方向と平行な平面に沿って切断した場合の断面図である。ここで、図3および図4に示す断面は、後述する脈波測定用空気袋を含む部分における断面であり、それぞれカフの展開状態を表わした図2に示すIII-III線およびIV-IV線に沿った断面を含むものである。まず、これら図1ないし図4を参照して、本実施の形態における血圧情報測定装置およびこれに具備された血圧情報測定装置用カフの構造について説明する。
図13は、本発明の実施の形態2における血圧情報測定装置用カフを外周面側から見た場合の展開図である。また、図14は、図13に示すカフを軸方向と直交する平面に沿って切断した場合の断面図である。ここで、図14に示す断面は、脈波測定用空気袋を含む部分における断面であり、カフの展開状態を表わした図13に示すXIV-XIV線に沿った断面を含むものである。これら図13および図14を参照して、本実施の形態における血圧情報測定装置用カフの構造について説明する。
Claims (13)
- 被装着部位に巻き付けられた装着状態において環状の形態をとる血圧情報測定装置用カフであって、
前記装着状態において被装着部位に対して巻き付けられる幅広の第1流体袋(24)と、
前記装着状態において前記第1流体袋(24)よりも被装着部位側に配置され、前記第1流体袋(24)に覆われた状態で被装着部位に対して巻き付けられる幅狭の第2流体袋(23)とを備え、
前記第2流体袋(23)は、前記第1流体袋(24)に対して相対的に移動不能となるように前記第1流体袋(24)に固定された固定部(23d)と、被測定部位に対する巻き付け方向に沿って前記第1流体袋(24)に対して相対的に移動可能となるように前記第1流体袋(24)に対して非固定とされた可動部(23e)とを含んでいる、血圧情報測定装置用カフ。 - 前記第1流体袋(24)が、前記装着状態において被装着部位の中枢側および末梢側を含む部分に巻き付けられ、
前記第2流体袋(23)が、前記装着状態において被装着部位の中枢側を含む部分にのみ巻き付けられる、請求項1に記載の血圧情報測定装置用カフ。 - 前記可動部(23e)の前記巻き付け方向に沿った移動を案内する案内部をさらに備えた、請求項1に記載の血圧情報測定装置用カフ。
- 前記第1流体袋(24)と前記第2流体袋(23)との間に配置され、前記第1流体袋(24)に生じる振動が前記第2流体袋(23)に伝播することを防止するとともに、前記第2流体袋(23)に生じる振動が前記第1流体袋(24)に伝播することを防止する振動遮断部をさらに備えた、請求項1に記載の血圧情報測定装置用カフ。
- 前記可動部(23e)の前記巻き付け方向に沿った移動を案内するための案内部材(80)と、
前記第1流体袋(24)と前記第2流体袋(23)との間に配置され、前記第1流体袋(24)に生じる振動が前記第2流体袋(23)に伝播することを防止するとともに、前記第2流体袋(23)に生じる振動が前記第1流体袋(24)に伝播することを防止するための振動遮断部材(28)とをさらに備え、
前記案内部材(80)および前記振動遮断部材(28)が、いずれも帯状に形成された不織布にて構成され、
前記振動遮断部材(28)が前記第1流体袋(24)と前記第2流体袋(23)との間に配置されて前記第1流体袋(24)に固定されるとともに、前記案内部材(80)が前記第2流体袋(23)の少なくとも一部を覆うように前記振動遮断部材(28)に重ね合わせて配置されて前記振動遮断部材(28)に固定され、これにより前記振動遮断部材(28)と前記案内部材(80)とによって規定される通路(90)内に前記可動部(23e)の少なくとも一部が挿通配置されることで前記可動部(23e)の前記巻き付け方向に沿った移動が案内される、請求項1に記載の血圧情報測定装置用カフ。 - 前記通路(90)内に前記可動部(23e)の全体が挿通配置されている、請求項5に記載の血圧情報測定装置用カフ。
- 前記可動部(23e)の前記固定部(23d)が位置する側とは反対側の端部が、前記通路(90)外に引き出されて配置されている、請求項5に記載の血圧情報測定装置用カフ。
- 前記第2流体袋(23)の一部が前記振動遮断部材(28)を介して前記第1流体袋(24)に固定されることで前記固定部(23d)が形成されている、請求項5に記載の血圧情報測定装置用カフ。
- 前記振動遮断部材(28)の前記第1流体袋(24)に対する固定、前記振動遮断部材(28)に対する前記案内部材(80)の固定、および前記第2流体袋(23)の前記振動遮断部材(28)に対する固定が、いずれも溶着によって行なわれている、請求項8に記載の血圧情報測定装置用カフ。
- 前記固定部(23d)が、前記第2流体袋(23)の長手方向の一端部に位置している、請求項1に記載の血圧情報測定装置用カフ。
- 前記第1流体袋(24)および前記第2流体袋(23)を内包する外装カバー(21)をさらに備え、
前記巻き付け方向における前記外装カバー(21)の一対の端部のうちの、前記装着状態において被装着部位側に位置することとなる端部(21A)側に、前記固定部(23d)が配置されている、請求項10に記載の血圧情報測定装置用カフ。 - 前記固定部(23d)が、前記第2流体袋(23)の長手方向の略中央部に位置している、請求項1に記載の血圧情報測定装置用カフ。
- 請求項1に記載の血圧情報測定装置用カフを備えた、血圧情報測定装置。
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DE112011100153T DE112011100153T5 (de) | 2010-03-30 | 2011-02-04 | Blutdruckinformation-messeinrichtung-manschette und blutdruckinformation-messeinrichtung, welche damit ausgestattet ist |
CN201180007783.0A CN102791193B (zh) | 2010-03-30 | 2011-02-04 | 血压信息测定装置用袖带及有该袖带的血压信息测定装置 |
US13/632,876 US10022055B2 (en) | 2010-03-30 | 2012-10-01 | Blood pressure information measurement device cuff and blood pressure information measurement device provided therewith |
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US13/632,876 Continuation US10022055B2 (en) | 2010-03-30 | 2012-10-01 | Blood pressure information measurement device cuff and blood pressure information measurement device provided therewith |
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JP (1) | JP5499833B2 (ja) |
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JP7237575B2 (ja) * | 2018-12-27 | 2023-03-13 | オムロンヘルスケア株式会社 | 血圧測定装置 |
CN115429243A (zh) * | 2019-11-25 | 2022-12-06 | 华为技术有限公司 | 一种血压测量手表 |
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Also Published As
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DE112011100153T5 (de) | 2012-12-13 |
JP2011206321A (ja) | 2011-10-20 |
US20130060153A1 (en) | 2013-03-07 |
CN102791193A (zh) | 2012-11-21 |
CN102791193B (zh) | 2019-11-29 |
TWI532464B (zh) | 2016-05-11 |
JP5499833B2 (ja) | 2014-05-21 |
TW201143713A (en) | 2011-12-16 |
US10022055B2 (en) | 2018-07-17 |
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