WO2011010686A1 - 血圧計 - Google Patents
血圧計 Download PDFInfo
- Publication number
- WO2011010686A1 WO2011010686A1 PCT/JP2010/062320 JP2010062320W WO2011010686A1 WO 2011010686 A1 WO2011010686 A1 WO 2011010686A1 JP 2010062320 W JP2010062320 W JP 2010062320W WO 2011010686 A1 WO2011010686 A1 WO 2011010686A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- elbow
- cuff unit
- living body
- base
- detection mechanism
- Prior art date
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Classifications
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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
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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
- A61B5/02141—Details of apparatus construction, e.g. pump units or housings therefor, cuff pressurising systems, arrangements of fluid conduits or circuits
Definitions
- the present invention relates to a sphygmomanometer for compressing and fixing a living body, and in particular, for blood pressure measurement capable of automatically wrapping a cuff used in a sphygmomanometer or the like around a living body (for example, the upper arm) to compress and fix the living body.
- a sphygmomanometer for compressing and fixing a living body
- a living body for example, the upper arm
- a sphygmomanometer disclosed in Japanese Patent Application Laid-Open No. 2008-148765 includes a cuff unit that is a measurement unit and a base on which an elbow of an arm after passing the cuff unit is placed. I have. The cuff unit is attached to the base so that the inclination angle can be changed with respect to the horizontal plane.
- An elbow detection mechanism for detecting placement of the elbow is provided at a predetermined position of the base.
- the blood pressure of the measurer can be measured by the sphygmomanometer in a state where the placement of the elbow is detected by the elbow detection mechanism.
- the blood pressure of the measurer is not measured by the sphygmomanometer.
- the inclination angle of the cuff unit with respect to the base is increased in the case of a measurer having a large body shape, and the base is provided in the case of a measurer having a small body shape.
- the inclination angle of the cuff unit with respect to is often small.
- the above-described elbow detection mechanism of the sphygmomanometer is fixedly provided at a predetermined position of the base, and the mechanism for changing the inclination angle of the cuff unit relative to the base is provided on the lower end side of the cuff unit.
- the smaller the inclination angle of the cuff unit the greater the distance between the insertion port of the cuff unit and the elbow detection mechanism. Therefore, for a measurer with a small body shape, the distance to the elbow detection mechanism is increased, although the upper arm length is shorter than that of a measurer with a large body shape, which causes the appropriate measurement posture to be lost. It can be considered.
- Patent Document 2 Other blood pressure monitors disclosing the elbow detection mechanism include registered utility model No. 3001683 (Patent Document 2) and JP-A-11-342117 (Patent Document 3). As another blood pressure monitor disclosing the elbow rest, JP-A-2005-334125 (Patent Document 4) can be cited.
- the problem to be solved by the present invention is that in the sphygmomanometer having a mechanism for changing the inclination angle of the cuff unit with respect to the base, the distance between the insertion port of the cuff unit and the elbow detection mechanism depends on the inclination angle of the cuff unit. It is in the point that changes.
- an object of the present invention is to solve the above-described problem, and in a sphygmomanometer having a mechanism for changing the inclination angle of the cuff unit with respect to the base, the cuff unit is independent of the inclination angle of the cuff unit.
- Another object of the present invention is to provide a sphygmomanometer having a mechanism in which the distance between the insertion port and the elbow detection mechanism is constant.
- a base In the sphygmomanometer based on the present invention, a base, a cuff unit for inserting a living body as a measurement site, a lower position on the living body insertion / exit side of the cuff unit, and the base are rotated.
- Rotation mechanism that allows the cuff unit to be rotatable with respect to the base around the shaft, and the cuff unit on the upper side of the rotation shaft to detect that the measurer's elbow is placed And an elbow detection mechanism.
- a sphygmomanometer including a mechanism in which the distance between the insertion port of the cuff unit and the elbow detection mechanism is constant regardless of the inclination angle of the cuff unit.
- FIG. 2 is a cross-sectional view corresponding to the view taken along line II-II in FIG. 1 when the inclination angle of the cuff unit is the smallest.
- FIG. 2 is a cross-sectional view corresponding to the view taken along line II-II in FIG. 1 when the inclination angle of the cuff unit is the largest.
- FIGS. 1 to 10 a sphygmomanometer according to an embodiment of the present invention will be described with reference to FIGS. 1 to 10. Note that in the embodiments described below, when referring to the number, amount, and the like, the scope of the present invention is not necessarily limited to the number, amount, and the like unless otherwise specified. In addition, when there are a plurality of embodiments below, it is planned from the beginning to appropriately combine the configurations of the embodiments unless otherwise specified.
- FIG. 1 is a perspective view showing an external structure of a sphygmomanometer according to an embodiment of the present invention
- FIG. 2 corresponds to the view taken along the line II-II in FIG. 1 when the inclination angle of the cuff unit is the smallest
- FIG. 3 is a cross-sectional view corresponding to the view taken along line II-II in FIG. 1 when the cuff unit has the largest inclination angle.
- a sphygmomanometer 1 (Configuration of sphygmomanometer 1) 1 to 3, includes a base 2 placed on a placing table such as a desk and a cuff unit 5 for inserting an arm (upper arm) as a measurement site. And have. On the upper part of the base 2, an operation unit 3 in which a power button used for turning on the power, a measurement button for starting a measurement operation, and the like are arranged, and a display unit 4 for displaying a measurement result, an operation guide, and the like. Is provided.
- the cuff unit 5 includes a shell 6 that is a substantially cylindrical machine frame, and a living body compression fixing mechanism 7 that is housed in the inner periphery of the shell 6.
- the cuff unit 5 has an upper arm insertion port 5a as a living body insertion port and an upper arm insertion port 5b as a living body insertion port.
- An arm rest 50 for placing an arm is provided on the base 2 located below the upper arm insertion opening 5b opposite to the upper arm insertion opening 5a of the cuff unit 5 so as to extend rearward.
- the surface of the arm rest 50 is formed with a concave surface (50a) for restricting the movement of the arm left and right when the arm is placed and for guiding the arm placement position.
- a rotation mechanism 60 that makes the unit 5 rotatable with respect to the base 2 is provided.
- an arc-shaped base-side guide portion 61 that forms a concave surface on the base 2 side is provided around the rotation axis P, and an arc-shaped cuff unit that forms a convex surface on the cuff unit 5 side.
- a side guide 62 is provided around the rotation axis P.
- the cuff unit 5 on the upper side of the rotating shaft P is provided with an elbow detection mechanism 70 for detecting that the elbow of the measurer is placed. Since the elbow detection mechanism 70 is provided on the cuff unit 5 on the upper side of the rotation shaft P on the upper arm insertion / extraction opening 5b side, the cuff unit 5 shown in FIG. Even when the cuff unit 5 rotates between when the inclination angle of the cuff unit 5 shown in FIG. 2 is the largest, the distance L between the upper arm insertion / exit 5b of the cuff unit 5 and the elbow detection mechanism 70 can be kept constant. it can. The detailed structure of the elbow detection mechanism 70 will be described later.
- the upper arm 100 of the measurer was inserted into the hollow portion located inside the shell 6 and incorporated into the inner peripheral portion of the shell 6.
- the upper arm 100 is compressed and fixed by the living body compression fixing mechanism 7 to measure the blood pressure value.
- the sphygmomanometer 1 includes a living body compression air bag 13 that is a living body compression fluid bag for compressing a living body and a living body compression air bag as the living body compression fixing mechanism 7.
- 13 is a curler 10 that is a substantially cylindrical flexible member that is radially expandable and contractable, and is located outside the curler 10 so as to expand and press the outer peripheral surface of the curler 10 inward.
- the curler 10 has a reduced diameter, and a curler-compressing air bag 8 which is a flexible member-compressing fluid bag that presses the living body-compressing air bag 13 against the living body via the curler 10.
- the upper arm 100 is compressed and fixed by operating the above-described biological compression fixing mechanism 7, and then the arterial pressure pulse generated in the artery by expanding and contracting the biological compression air bladder 13. A wave is detected, and thereby a blood pressure value is measured.
- FIG. 5 is a diagram showing functional blocks of the sphygmomanometer shown in FIG.
- the above-described living body compressing air bag 13 and the curler compressing air bag 8 are connected to the living body compressing air system 20 and the curler compressing air system 30, respectively.
- the operations of the living body compressing air system 20 and the curler compressing air system 30 are controlled by the CPU 40, respectively.
- the air system 20 for compressing a living body includes an air pump 21, an air valve 22, and a pressure sensor 23.
- the air pump 21 is a means for pressurizing the lumen of the living body compressing air bag 13 and is driven by an air pump drive circuit 26 that receives a command from the CPU 40, and the lumen of the living body compressing air bag 13 is measured at the time of measurement.
- the compressed gas is fed into the lumen so that the pressure becomes a predetermined pressure.
- the air valve 22 is a means for maintaining or depressurizing the pressure in the lumen of the living body compressing air bag 13, and its open / closed state is controlled by the air valve drive circuit 27 that receives a command from the CPU 40.
- the pressure in the lumen of the living body compression air bag 13 maintained at a high pressure by the air pump 21 is maintained and reduced, and the lumen of the living body compression air bag 13 is returned to atmospheric pressure after the measurement is completed.
- the pressure sensor 23 is a means for detecting the pressure of the lumen of the air bag 13 for compressing the living body, and detects the pressure of the lumen of the air bag 13 for compressing the body that changes every moment during the measurement.
- a signal corresponding to the value is output to the amplifier 28.
- the amplifier 28 amplifies the signal output from the pressure sensor 23 and outputs the amplified signal to the A / D converter 29.
- the A / D converter 29 digitizes the analog signal output from the amplifier 28 and outputs it to the CPU 40.
- the curler compression air system 30 includes an air pump 31, an air valve 32, and a pressure sensor 33.
- the air pump 31 is a means for pressurizing the inner cavity of the curler-compressing air bladder 8, and is driven by the air pump drive circuit 36 that receives a command from the CPU 40. At the start of measurement, the inner cavity of the curler-compressing air bladder 8 is driven. Compressed gas is fed into the lumen so that the pressure becomes a predetermined pressure.
- the air valve 32 is a means for maintaining and depressurizing the pressure in the inner cavity of the air bag 8 for curling air pressure, and its open / closed state is controlled by an air valve drive circuit 37 that receives a command from the CPU 40. While maintaining the pressure of the lumen of the curler-compressing air bag 8 that has become a high pressure state by 31, the lumen of the curler-compressing air bag 8 is returned to atmospheric pressure after the measurement is completed.
- the pressure sensor 33 is a means for detecting the pressure in the lumen of the curler-compression air bag 8, detects the pressure in the lumen of the curler-compression air bag 8 at the start of measurement, and corresponds to the detected value.
- the signal is output to the amplifier 38.
- the amplifier 38 amplifies the signal output from the pressure sensor 33 and outputs it to the A / D converter 39.
- the A / D converter 39 digitizes the analog signal output from the amplifier 38 and outputs it to the CPU 40.
- the CPU 40 controls the living body compression air system 20 and the curler compression air system 30 based on a command input to the operation unit 3 provided on the sphygmomanometer base 2, and displays the measurement result on the display unit 4 or Output to the memory unit 41.
- the memory unit 41 is a means for storing measurement results.
- the CPU 40 controls the sphygmomanometer described above on condition that the CPU 40 detects an output signal from a detection switch 77 (described later) provided in the elbow detection mechanism 70.
- FIG. 6 is a flowchart showing a measurement operation in the sphygmomanometer having the above-described configuration.
- a measurer or the like presses a measurement button provided on the operation unit 3 of the base 2, the measurement operation is shifted to.
- the elbow of the measurer is not detected by the elbow detection mechanism 70, the fact is displayed on the display unit 4 and the measurement operation is not shifted.
- step 1 the sphygmomanometer 1 is initialized.
- Step 2 the press of the curler-compression air bag 8 is performed, and when the pressure of the inner cavity of the curler-compression air bag 8 reaches a predetermined pressure, the press of the curler-compression air bag 8 is performed. End (step 3).
- step 4 the biocompression air bladder 13 is pressurized, and when the pressure in the lumen of the biocompression air bladder 13 reaches a predetermined pressure, the biocompression air bladder 13 is pressurized.
- step 5 the arterial pressure pulse wave is detected while the pressure of the air bag 13 for body compression is being reduced.
- step 6 the blood pressure value is calculated based on the detection data of the arterial pressure pulse wave.
- step 7 the blood pressure value is displayed on the display unit 4 provided on the base 2. 8, the air release of the lumen of the curler-compressing air bag 8 and the lumen of the living body-compressing air bag 13 is performed.
- elbow detection mechanism 70 (Elbow detection mechanism 70) Next, the structure of the elbow detection mechanism 70 used in the sphygmomanometer 1 of the present embodiment will be described with reference to FIGS. As described above, the elbow detection mechanism 70 in the present embodiment is provided on the upper side of the rotation axis P of the cuff unit 5 on the upper arm insertion / extraction opening 5 b side of the cuff unit 5.
- the elbow detection mechanism 70 has an elbow detection cover 71 and a detection switch 77 (described later).
- the elbow detection cover 71 has a rectangular housing having a width substantially the same as the width of the arm rest 50 on the upper arm insertion / extraction opening 5b side.
- the upper surface of the elbow detection cover 71 has a curved surface shape that gently slopes toward the arm rest 50 from the upper arm insertion / exit opening 5b side, and is finished to have substantially the same curvature as that appearing on the outer surface of the rotation mechanism 60. Yes.
- a concave curved surface 72 having a deepest central portion is formed from the central portion of the upper surface of the elbow detection cover 71 to both end sides.
- the concave curved surface 72 is formed so as to be substantially flush with the inner peripheral curved surface of the cuff unit 5 on the upper arm insertion / exit opening 5b side. Further, it is finished so as to be substantially flush with the concave surface 50 a provided on the arm rest 50. Accordingly, there is no step between the inner peripheral surface of the cuff unit 5 and the upper surface of the elbow detection cover 71, and the measurer can smoothly place the elbow on the elbow detection mechanism 70.
- an erroneous detection preventing wall 5c (see FIGS. 2 and 3) is provided on the upper arm insertion / exit 5b side of the cuff unit 5 in the present embodiment.
- the upper end of the erroneous detection preventing wall 5 c is provided to be the same height as the outer surface of the elbow detection cover 71.
- a switch pin 75 that protrudes from the back surface side is provided at the center of the back surface side of the elbow detection cover 71 (a region that is convex most on the back surface side of the concave curved surface 72).
- the switch pin 75 controls ON / OFF of a detection switch 77 (described later).
- a pair of support pins 73, 73 projecting from the back side are provided on both sides of the back side of the elbow detection cover 71.
- Coil springs 74 and 74 are fitted into the pair of support pins 73 and 73, respectively.
- a pair of engagement claws 76, 76 extending toward the back surface side are provided.
- the coil springs 74 and 74 are guided by the pair of support pins 73 and 73 to move the elbow detection cover 71 up and down (in the direction of arrow V in FIG. 7). ). Further, the elbow detection cover 71 is configured not to be detached from the base 2 by engaging the pair of engaging claws 76, 76 with an engaging region (not shown) provided on the base 2 side. In a normal state, the elbow detection cover 71 is lifted upward by the urging force of the coil springs 74 and 74. When the measurer's elbow is placed on the elbow detection cover 71, the elbow detection cover 71 sinks to the base 2 side against the urging force of the coil springs 74 and 74.
- FIG. 10A shows a state where the elbow detection cover 71 is lifted upward by the urging force of the coil springs 74 and 74.
- the switch pin 75 is not in contact with the detection switch 77. Therefore, the detection switch 77 is in an OFF state.
- the elbow of the upper arm 100 of the measurer is placed on the elbow detection cover 71, and the elbow detection cover 71 is on the base 2 side (rotating shaft) against the urging force of the coil springs 74 and 74.
- the state of being pushed down to the P side) is shown.
- the switch pin 75 is in contact with the detection switch 77. Therefore, the detection switch 77 is in the ON state.
- the elbow detection mechanism 70 on the upper side of the rotation axis P, the cuff unit 5 shown in FIG. Even if the cuff unit 5 rotates between the case where the inclination angle of the cuff unit 5 shown is the largest, the distance L between the upper arm insertion / exit 5b of the cuff unit 5 and the elbow detection mechanism 70 can be kept constant. .
- the distance (L) between the upper arm insertion port 5a of the cuff unit 5 and the elbow detection mechanism 70 can be made constant regardless of the inclination angle of the cuff unit 5 with respect to the base 2.
- the measurer can be guided to an appropriate measurement posture.
- it since it is possible to provide accurate measurement results of blood pressure values to a wide range of measurers, it can be widely used in hospitals, public facilities, and the like.
- the present invention is applied to a sphygmomanometer of a type in which a curler-compressing air bag is disposed on the outer peripheral surface of the curler and a living body-compressing air bag is disposed on the inner peripheral surface of the curler.
- any elbow detection mechanism of the present invention can be mounted on any sphygmomanometer having a rotation mechanism that allows the cuff unit to be rotatable with respect to the base.
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Abstract
Description
図1から図3を参照して、本実施の形態における血圧計1は、机等の載置台に載置される基台2と、測定部位である腕(上腕)を差し込むためのカフユニット5とを有している。基台2の上部には、電源の投入に用いられる電源ボタンや測定動作を開始させるための測定ボタンなどが配置された操作部3、および測定結果や操作ガイド等を表示するための表示部4が設けられている。
図5は、図1に示す血圧計の機能ブロックを示す図である。図5に示すように、上述の生体圧迫用空気袋13およびカーラ圧迫用空気袋8は、それぞれ生体圧迫用エア系20およびカーラ圧迫用エア系30に接続されている。また、生体圧迫用エア系20およびカーラ圧迫用エア系30は、それぞれCPU40によってその動作が制御される。
図6は、上述の構成の血圧計における測定動作を示すフローチャートである。図6に示すように、本血圧計1においては、測定者等が基台2の操作部3に設けられた測定ボタンを押下することにより、測定動作に移行する。肘検知機構70により測定者の肘が検知されない場合には、表示部4にその旨が表示され、測定動作には移行しない。
次に、図7から図10を参照して、本実施の形態の血圧計1に用いられる肘検知機構70の構造について説明する。上記したように、本実施の形態における肘検知機構70は、カフユニット5の上腕挿出口5b側において、カフユニット5の回転軸Pの上部側に設けられている。
Claims (3)
- 基台(2)と、
測定部位である生体を差し込むためのカフユニット(5)と、
前記カフユニット(5)の生体挿出口(5b)側の下方位置と前記基台(2)と間に設けられ、回転軸(P)を中心にして、前記カフユニット(5)を前記基台(2)に対して回転自在とする回転機構(60)と、
前記回転軸(P)の上部側の前記カフユニット(5)に設けられ、測定者の肘が載置されたことを検出するための肘検知機構(70)と、
を備える、血圧計。 - 前記肘検知機構(70)は、測定者の肘が載置される肘検知カバー(71)を含み、
前記肘検知カバー(71)の表面は、前記カフユニット(5)の前記生体挿出口(5b)側の内表面と略面一となる凹部曲面(72)を有する、請求の範囲第1項に記載の血圧計。 - 前記カフユニット5の前記上腕挿出口(5b)側には、その上端が前記肘検知カバー(71)の外表面と同一高さとなる誤検出防止壁(5c)が設けられる、請求の範囲第2項に記載の血圧計。
Priority Applications (3)
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CN201080032926.9A CN102469944B (zh) | 2009-07-23 | 2010-07-22 | 血压计 |
DE112010003033.2T DE112010003033B4 (de) | 2009-07-23 | 2010-07-22 | Blutdruckmessgerät |
US13/354,518 US8657754B2 (en) | 2009-07-23 | 2012-01-20 | Sphygmomanometer |
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JP2009172408A JP5287572B2 (ja) | 2009-07-23 | 2009-07-23 | 血圧計 |
JP2009-172408 | 2009-07-23 |
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US13/354,518 Continuation US8657754B2 (en) | 2009-07-23 | 2012-01-20 | Sphygmomanometer |
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WO2011010686A1 true WO2011010686A1 (ja) | 2011-01-27 |
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PCT/JP2010/062320 WO2011010686A1 (ja) | 2009-07-23 | 2010-07-22 | 血圧計 |
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US (1) | US8657754B2 (ja) |
JP (1) | JP5287572B2 (ja) |
CN (1) | CN102469944B (ja) |
DE (1) | DE112010003033B4 (ja) |
WO (1) | WO2011010686A1 (ja) |
Families Citing this family (7)
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CN107566583A (zh) * | 2017-09-27 | 2018-01-09 | 京东方科技集团股份有限公司 | 一种用于体征监测的手机支架和体征监测方法 |
USD876634S1 (en) * | 2017-12-07 | 2020-02-25 | Sintai Optical (Shenzhen) Co., Ltd. | Blood pressure measuring apparatus |
JP1609425S (ja) * | 2017-12-26 | 2019-01-21 | ||
USD899599S1 (en) * | 2017-12-26 | 2020-10-20 | Omron Healthcare Co., Ltd. | Sphygmomanometer with electrocardiograph |
JP7010120B2 (ja) * | 2018-04-10 | 2022-01-26 | オムロンヘルスケア株式会社 | 血圧計 |
JP7070022B2 (ja) * | 2018-04-20 | 2022-05-18 | オムロンヘルスケア株式会社 | 血圧計 |
USD925041S1 (en) * | 2018-11-20 | 2021-07-13 | Amorv (Ip) Company Limited | Wrist electronic device |
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JP4830832B2 (ja) * | 2006-12-14 | 2011-12-07 | パナソニック電工株式会社 | 血圧計 |
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2009
- 2009-07-23 JP JP2009172408A patent/JP5287572B2/ja active Active
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- 2010-07-22 WO PCT/JP2010/062320 patent/WO2011010686A1/ja active Application Filing
- 2010-07-22 DE DE112010003033.2T patent/DE112010003033B4/de active Active
- 2010-07-22 CN CN201080032926.9A patent/CN102469944B/zh active Active
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JPS57180939A (en) * | 1981-04-30 | 1982-11-08 | Fuji Denki Sogo Kenkyusho Kk | Cuff automatic take-up apparatus |
JP2005237802A (ja) * | 2004-02-27 | 2005-09-08 | Omron Healthcare Co Ltd | 血圧計測装置 |
JP2008148765A (ja) * | 2006-12-14 | 2008-07-03 | Matsushita Electric Works Ltd | 血圧計 |
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Publication number | Publication date |
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CN102469944B (zh) | 2015-05-06 |
CN102469944A (zh) | 2012-05-23 |
US8657754B2 (en) | 2014-02-25 |
DE112010003033B4 (de) | 2024-06-20 |
DE112010003033T5 (de) | 2012-08-02 |
JP5287572B2 (ja) | 2013-09-11 |
US20120123281A1 (en) | 2012-05-17 |
JP2011024725A (ja) | 2011-02-10 |
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