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JP3608364B2 - Sphygmomanometer - Google Patents
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JP3608364B2 - Sphygmomanometer - Google Patents

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Publication number
JP3608364B2
JP3608364B2 JP00452798A JP452798A JP3608364B2 JP 3608364 B2 JP3608364 B2 JP 3608364B2 JP 00452798 A JP00452798 A JP 00452798A JP 452798 A JP452798 A JP 452798A JP 3608364 B2 JP3608364 B2 JP 3608364B2
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JP
Japan
Prior art keywords
air
nozzle
main body
pressure sensor
sphygmomanometer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP00452798A
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Japanese (ja)
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JPH11197122A (en
Inventor
堅太郎 森
孝英 田中
朗 中川
巌 小嶋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omron Healthcare Co Ltd
Original Assignee
Omron Healthcare Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to JP00452798A priority Critical patent/JP3608364B2/en
Publication of JPH11197122A publication Critical patent/JPH11197122A/en
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Description

【0001】
【発明の属する技術分野】
この発明は、本体とカフ帯が一体に構成された血圧計に関する。
【0002】
【従来の技術】
血圧計には、例えば、図4に示すように、本体1とカフ帯2が一体に構成されるものがある。この種の血圧計では、圧力センサ3を本体1のケース1a内に設けており、さらに、この圧力センサ3にカフ帯2のゴム袋4のエアを導入する機構を備えている。図5は、従来の血圧計のエア導入機構の拡大断面図である。この血圧計では、回路基板5上に圧力センサ3を半田付けにより実装し、一方、本体1のケース1aに穴6を設け、この穴6からカフ帯2のカフエア接続口7をケース1a内に挿入し、このカフエア接続口7を、ノズル8、エアチューブ9を介して、圧力センサ3に接続している。
【0003】
図6は、従来の他の血圧計のエア導入機構の拡大断面図であり、この血圧計では、ケース1aの穴6より挿入したカフエア接続口7に、回路基板5上に実装された圧力センサ3を、直に差し込み接続している。
【0004】
【発明が解決しようとする課題】
上記した従来の血圧計の中、図5に示すものは、エアチューブ等の配管スペースが必要であり、小型化を図ることに妨げとなる。また、エアチューブ及びノズルと必要な部品点数が多くなり、組立工数、部品代がかかり、コスト高となる。また、図6に示すものは、圧力センサステムにカフからの力が直接かかることにより、圧力センサの半田付け部の剥がれが生じるおそれがあり、信頼性及び耐久性を低下させる。しかも、圧力センサの半田付け部の剥がれるおそれがあることにより、半田付けパターンを小さくすることがあまりできず、小型化を図ることができない、という問題があった。
【0005】
この発明は、上記問題点に着目してなされたものであって、小型化を実現し、かつ信頼性の高い、一体型の血圧計を提供することを目的としている。
【0006】
【課題を解決するための手段】
この発明の血圧計は、本体とカフ帯が一体に構成されたものにおいて、本体の下面にノズル状エア口を突設し、このノズル状エア口にカフ帯のエア接続口を接続するとともに、前記ノズル状エア口の内側に圧力センサのステムを挿設している。
【0007】
この血圧計では、カフ帯のエア接続口が、本体下面のノズル状エア口に接続されており、このノズル状エア口の内側に圧力センサのステムが挿設されているので、カフからの力が直接圧力センサのステムに加わることがない。したがって、圧力センサの半田付け部が剥がれにくい。
【0008】
【発明の実施の形態】
以下、実施の形態により、この発明をさらに詳細に説明する。図1は、この発明の一実施形態一体型の血圧計の一部切欠きの全体外観斜視図である。この血圧計は、本体11と、腕、手首等の血圧計測定部位を圧迫し、阻血するカフ帯12とが一体となるように構成されている。
【0009】
カフ帯12は、カフ帯体を形成する外側シート13と、内側シート14の間に、ゴム状の弾性伸縮自在な空気袋15を内装配備し、空気袋15と外側シート13との間に、側面視、特殊な湾曲形状のカーラ16を配備して構成している。また、外側シート13の外面適所と内側シートの内面適所には、互いに係合接合するための対応するファスナー17、18がそれぞれ取付けられている。
【0010】
本体11のケース11a内には、図示していないが、カフ帯12に空気を送るポンプ、空気を排気する排気手段、カフ帯12の圧力を検出する圧力センサ(図示19)、制御回路、電池(図示20)、測定結果を表示する表示手段、電源スイッチ等の操作部が配置されている。もっとも、これらの手段を血圧計の本体部に備えることは、すでによく知られたことである。カフ帯12と本体11とはカフ帯12内のカーラ16より突出したフック及びリブを本体11のケース11aに引っかけるか、もしくはビスにて留めて一体としている。
【0011】
この実施形態血圧計の特徴は、カフ帯12と本体11内のエア系の接続機構にある。図2は、図1の実施形態血圧計の本体11とカフ帯12とのエア系の接続部の拡大断面図である。カフ帯12内の空気袋15より突出したエア接続口21に、本体11のケース体11aの下面より突出させたノズル状のエア接続口22をはめるたとにより接続している。ノズル状接続口22の内側(ケース1a内側)に、制御回路等を配置した回路基板23に装着された圧力センサ19のステム19aが入るように形成されている。圧力センサ19のステム19aとノズル状エア接続口22の内面との間に、漏気を防ぐためにパッキン、例えばOリング24を介在させている。なお、16aはカーラ16をケース11aに引っかけるためのフックである。
【0012】
上記した図2のエア系接続機構により、エア系配管にエアチューブ、ノズル等が不要となり、そのためのスペースも不要となる。これにより、血圧計の小型化が可能となり、携帯性が向上、しかも部品点数が減少することにより、ローコスト化が図れる。また、カフ帯のエア接続口が直接圧力センサに接続されないので、圧力センサに余分な力がかからなくなり、圧力センサの半田付け部が基板から剥がれることがなくなる。したがって、圧力センサの半田付け部分も必要以上に大きくすることもなく、小型化が図れ、信頼性も向上する。
【0013】
また、図2に示したエア系接続機構の代わりに、図3に示すエア系接続機構を使用してもよい。ここでは、ノズル状エア接続口22を本体11のケース11aとは別部材で構成しており、本体のケース11aとは凹凸の係合部25で一体に嵌着構成している。この実施形態では、部品点数は図2のものより増えるものの、省スペースによる小型化が図れ、携帯性が向上し、その上、圧力センサの半田付け部が回路基板から剥がれることがなくなり、半田付け部分も必要以上に大きくすることもないから、小型化でき、信頼性も向上する。
【0014】
【発明の効果】
この発明によれば、カフ帯のエア接続口は本体の下面より突出したノズルと接続され、また、そのノズルは圧力センサのステムが内側に入るよう構成されているので、従来に比し、エアチューブ等が不要となるので、配管スペースが小さくでき、小型化が可能となり、携帯性が向上する。また、部品点数も減少することにより安価になる。しかも圧力センサに直接力がかかることがないことにより、センサ半田付け部が剥がれることがなくなるため、信頼性も向上する。
【図面の簡単な説明】
【図1】この発明の一実施形態血圧計の一部切欠きの外観斜視図である。
【図2】同実施形態血圧計のエア系接続機構を示す拡大断面図である。
【図3】他の実施形態血圧計のエア系接続機構を示す拡大断面図である。
【図4】従来の一体型の血圧計の一部切欠きの外観斜視図である。
【図5】同従来の血圧計のエア系接続機構を示す拡大断面図である。
【図6】従来の他の血圧計のエア系接続機構を示す拡大断面図である。
【符号の説明】
15 空気袋
16 カーラ
19 圧力センサ
19a ステム
21 カフ帯のエア接続口
22 ノズル状エア口
23 回路基板
24 Oリング
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a sphygmomanometer in which a main body and a cuff belt are integrally formed.
[0002]
[Prior art]
In some sphygmomanometers, for example, as shown in FIG. 4, a main body 1 and a cuff strip 2 are integrally formed. In this type of sphygmomanometer, the pressure sensor 3 is provided in the case 1 a of the main body 1, and further, a mechanism for introducing air from the rubber bag 4 of the cuff belt 2 into the pressure sensor 3 is provided. FIG. 5 is an enlarged cross-sectional view of an air introduction mechanism of a conventional blood pressure monitor. In this sphygmomanometer, the pressure sensor 3 is mounted on the circuit board 5 by soldering. On the other hand, a hole 6 is provided in the case 1a of the main body 1, and the cuff air connection port 7 of the cuff belt 2 is inserted into the case 1a from the hole 6. The cuff air connection port 7 is inserted and connected to the pressure sensor 3 via the nozzle 8 and the air tube 9.
[0003]
FIG. 6 is an enlarged cross-sectional view of another conventional sphygmomanometer air introduction mechanism. In this sphygmomanometer, the pressure sensor mounted on the circuit board 5 is inserted into the cuff air connection port 7 inserted through the hole 6 of the case 1a. 3 is plugged in and connected directly.
[0004]
[Problems to be solved by the invention]
Among the above-described conventional sphygmomanometers, the one shown in FIG. 5 requires a piping space such as an air tube, which hinders downsizing. In addition, the number of parts required for the air tube and the nozzle increases, and the number of assembling steps and parts costs are increased, resulting in high costs. Further, in the case shown in FIG. 6, when the force from the cuff is directly applied to the pressure sensor stem, the soldered portion of the pressure sensor may be peeled off, and the reliability and durability are lowered. In addition, the soldering part of the pressure sensor may be peeled off, so that there is a problem that the soldering pattern cannot be made too small and the size cannot be reduced.
[0005]
The present invention has been made paying attention to the above-described problems, and an object of the present invention is to provide an integrated blood pressure monitor that achieves downsizing and has high reliability.
[0006]
[Means for Solving the Problems]
In the sphygmomanometer according to the present invention, the main body and the cuff belt are integrally formed, and a nozzle-like air port is provided on the lower surface of the main body, and the air connection port of the cuff belt is connected to the nozzle-like air port. A pressure sensor stem is inserted inside the nozzle-like air opening.
[0007]
In this sphygmomanometer, the air connection port of the cuff belt is connected to the nozzle-like air port on the lower surface of the main body, and the stem of the pressure sensor is inserted inside the nozzle-like air port. Does not directly add to the stem of the pressure sensor. Therefore, the soldering part of the pressure sensor is difficult to peel off.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in more detail with reference to embodiments. FIG. 1 is an overall external perspective view of a partly cutout of an integrated blood pressure monitor according to an embodiment of the present invention. This sphygmomanometer is configured such that a main body 11 and a cuff band 12 that presses and blocks blood pressure measurement sites such as arms and wrists are integrated.
[0009]
The cuff belt 12 includes a rubber-like elastic stretchable air bag 15 provided between the outer sheet 13 and the inner sheet 14 forming the cuff belt body, and between the air bag 15 and the outer sheet 13, The curler 16 having a special curved shape is provided in a side view. Corresponding fasteners 17 and 18 for engaging and joining to each other are attached to appropriate positions on the outer surface of the outer sheet 13 and the inner surface of the inner sheet, respectively.
[0010]
Although not shown in the case 11a of the main body 11, a pump for sending air to the cuff belt 12, an exhaust means for exhausting air, a pressure sensor (19) for detecting the pressure of the cuff belt 12, a control circuit, a battery (Shown 20), display means for displaying the measurement results, and operation units such as a power switch are arranged. However, it is well known that these means are provided in the main body of the blood pressure monitor. The cuff band 12 and the main body 11 are integrated by hooking a hook and a rib protruding from the curler 16 in the cuff band 12 to the case 11a of the main body 11 or fastening with a screw.
[0011]
This embodiment sphygmomanometer is characterized by the connection mechanism between the cuff belt 12 and the air system in the main body 11. FIG. 2 is an enlarged cross-sectional view of an air system connection between the main body 11 and the cuff strip 12 of the sphygmomanometer of the embodiment shown in FIG. The air connection port 21 protruding from the air bag 15 in the cuff belt 12 is connected by fitting the nozzle-like air connection port 22 protruding from the lower surface of the case body 11 a of the main body 11. The stem 19a of the pressure sensor 19 mounted on the circuit board 23 on which the control circuit and the like are disposed is formed inside the nozzle-like connection port 22 (inside the case 1a). A packing, for example, an O-ring 24 is interposed between the stem 19a of the pressure sensor 19 and the inner surface of the nozzle-like air connection port 22 to prevent leakage. In addition, 16a is a hook for hooking the curler 16 on the case 11a.
[0012]
The above-described air system connection mechanism in FIG. 2 eliminates the need for an air tube, a nozzle, or the like in the air system piping, and eliminates the need for a space therefor. As a result, the sphygmomanometer can be miniaturized, the portability is improved, and the number of parts is reduced, so that the cost can be reduced. Further, since the air connection port of the cuff belt is not directly connected to the pressure sensor, no extra force is applied to the pressure sensor, and the soldered portion of the pressure sensor is not peeled off from the substrate. Therefore, the soldered portion of the pressure sensor is not made larger than necessary, and the size can be reduced and the reliability is improved.
[0013]
Moreover, you may use the air system connection mechanism shown in FIG. 3 instead of the air system connection mechanism shown in FIG. Here, the nozzle-like air connection port 22 is constituted by a member different from the case 11 a of the main body 11, and is integrally fitted to the case 11 a of the main body by a concave and convex engaging portion 25. In this embodiment, although the number of parts is larger than that in FIG. 2, the space-saving size can be reduced, the portability is improved, and the soldering portion of the pressure sensor is not peeled off from the circuit board. Since the portion does not become larger than necessary, the size can be reduced and the reliability can be improved.
[0014]
【The invention's effect】
According to the present invention, the air connection port of the cuff belt is connected to the nozzle protruding from the lower surface of the main body, and the nozzle is configured so that the stem of the pressure sensor enters inside. Since a tube or the like is not required, the piping space can be reduced, the size can be reduced, and portability is improved. In addition, the number of parts is reduced and the cost is reduced. In addition, since no force is directly applied to the pressure sensor, the sensor soldered portion is not peeled off, and the reliability is improved.
[Brief description of the drawings]
FIG. 1 is an external perspective view of a partially cutout blood pressure monitor according to an embodiment of the present invention.
FIG. 2 is an enlarged cross-sectional view showing an air system connection mechanism of the sphygmomanometer according to the embodiment.
FIG. 3 is an enlarged cross-sectional view showing an air system connection mechanism of another embodiment of the blood pressure monitor.
FIG. 4 is an external perspective view of a partly cutout of a conventional integrated blood pressure monitor.
FIG. 5 is an enlarged cross-sectional view showing an air system connection mechanism of the conventional blood pressure monitor.
FIG. 6 is an enlarged sectional view showing an air system connection mechanism of another conventional blood pressure monitor.
[Explanation of symbols]
15 Air bag 16 Curler 19 Pressure sensor 19a Stem 21 Cuff belt air connection port 22 Nozzle air port 23 Circuit board 24 O-ring

Claims (4)

本体とカフ帯が一体に構成された血圧計において、
本体の下面にノズル状エア口を突設し、このノズル状エア口にカフ帯のエア接続口を接続するとともに、前記ノズル状エア口の内側に圧力センサのステムを挿設したことを特徴とする血圧計。
In the sphygmomanometer in which the main body and the cuff belt are configured integrally,
A nozzle-like air port projects from the lower surface of the main body, and an air connection port of a cuff belt is connected to the nozzle-like air port, and a pressure sensor stem is inserted inside the nozzle-like air port. Blood pressure monitor.
前記ノズル状エア口は、前記本体のケースに一体形成したことを特徴とする請求項1記載の血圧計。The sphygmomanometer according to claim 1, wherein the nozzle-like air port is formed integrally with the case of the main body. 前記ノズル状エア口は、前記本体のケースと別部材で構成したことを特徴とする請求項1記載の血圧計。The sphygmomanometer according to claim 1, wherein the nozzle-like air port is constituted by a member different from the case of the main body. 前記圧力センサのステム部と前記ノズル状エア口との間に、弾性保持部材を設けたことを特徴とする請求項1、請求項2又は請求項3記載の血圧計。4. The blood pressure monitor according to claim 1, wherein an elastic holding member is provided between a stem portion of the pressure sensor and the nozzle-like air port.
JP00452798A 1998-01-13 1998-01-13 Sphygmomanometer Expired - Lifetime JP3608364B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP00452798A JP3608364B2 (en) 1998-01-13 1998-01-13 Sphygmomanometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP00452798A JP3608364B2 (en) 1998-01-13 1998-01-13 Sphygmomanometer

Publications (2)

Publication Number Publication Date
JPH11197122A JPH11197122A (en) 1999-07-27
JP3608364B2 true JP3608364B2 (en) 2005-01-12

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Publication number Priority date Publication date Assignee Title
JP6905944B2 (en) 2018-01-12 2021-07-21 オムロン株式会社 Blood pressure measuring device

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