JP5749600B2 - Sphygmomanometer cuff - Google Patents

Sphygmomanometer cuff Download PDF

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JP5749600B2
JP5749600B2 JP2011175480A JP2011175480A JP5749600B2 JP 5749600 B2 JP5749600 B2 JP 5749600B2 JP 2011175480 A JP2011175480 A JP 2011175480A JP 2011175480 A JP2011175480 A JP 2011175480A JP 5749600 B2 JP5749600 B2 JP 5749600B2
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ring
cuff
shaped member
cuff body
end side
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JP2013034791A (en
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優 横山
優 横山
和彦 庭野
和彦 庭野
真衛 柴崎
真衛 柴崎
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A&D Holon Holdings Co Ltd
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A&D Co Ltd
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Description

本発明は血圧計用カフに係り、特にカフの端部近傍に設けられたリング状部材にカフの他方の端部を通して折り返すことによってカフを装着する血圧計用カフに関する。   The present invention relates to a cuff for a sphygmomanometer, and more particularly to a cuff for a sphygmomanometer in which the cuff is attached by folding the cuff through a ring-shaped member provided near the end of the cuff through the other end of the cuff.

血圧計として、上腕部や手首等に装着される血圧計用カフ（以下、カフ）を備えたものが知られている。カフの内部には膨張袋が設けられており、この膨張袋に加圧空気が送り込まれる。これにより、膨張袋で阻血を行うことができ、血圧を測定することができる。   As a sphygmomanometer, a sphygmomanometer having a sphygmomanometer cuff (hereinafter referred to as a cuff) attached to the upper arm or wrist is known. An expansion bag is provided inside the cuff, and pressurized air is fed into the expansion bag. Thereby, ischemia can be performed with an inflatable bag, and blood pressure can be measured.

カフの装着方法はいくつかあるが、たとえば折り返し装着タイプのカフは、長手方向の縁にリング状部材が設けられており、そのリング状部材にカフの他方の端部を差し込んで折り返すことによって、被測定部への装着が行われる（特許文献１参照）。   There are several ways to attach the cuff. For example, the cuff of the folding attachment type is provided with a ring-shaped member at the edge in the longitudinal direction, and by inserting the other end of the cuff into the ring-shaped member and folding it back, Attachment to a part to be measured is performed (see Patent Document 1).

しかしながら、このような構成のカフは、リング状部材がカフの縁に配置されているため、リング状部材の感触が被測定部にダイレクトに伝わるという問題があった。さらに、被測定部が想定よりも細く、膨張袋が１周してリング状部材の外側に出てしまった場合には、外側の膨張袋が膨張することによって、被測定部がカフとともにリング状部材に引き込まれるおそれがあった。   However, the cuff having such a configuration has a problem that the feel of the ring-shaped member is directly transmitted to the portion to be measured because the ring-shaped member is disposed at the edge of the cuff. Furthermore, when the part to be measured is thinner than expected and the inflatable bag makes one round and comes out of the ring-shaped member, the inflated bag on the outside expands, so that the part to be measured is ring-shaped together with the cuff. There was a risk of being drawn into the member.

これに対して、特許文献２のカフは、縁から離れた位置にリング状部材が取り付けられている。このため、リング状部材の内側にもカフが配置されるので、リング状部材による被測定部への圧迫を緩和することができる。また、被測定部がリング状部材に引き込まれることを、リング状部材の内側に配置されたカフによって防止することができる。   On the other hand, in the cuff of Patent Document 2, a ring-shaped member is attached at a position away from the edge. For this reason, since the cuff is also arranged on the inner side of the ring-shaped member, it is possible to relieve pressure on the measurement target portion by the ring-shaped member. Moreover, it can prevent that a to-be-measured part is drawn in to a ring-shaped member with the cuff arrange | positioned inside a ring-shaped member.

しかしながら、特許文献２のカフは、リング状部材よりも端部側が内側に折れ曲がってしまうことがあり、折れ曲がってしまった場合には測定精度が低下するという問題があった。   However, the cuff of Patent Document 2 has a problem that the end side of the cuff is bent inward than the ring-shaped member, and the measurement accuracy is lowered when the cuff is bent.

特開２００６−１３０３３１JP 2006-130331 A 特開２００２−５１９９４JP2002-51994

本発明はこのような事情に鑑みて成されたものであり、リング状部材による被測定部の圧迫やリング状部材への被測定部の引き込みを防止でき、さらには、リング状部材よりも端部側の折れ曲がりを防止することのできる血圧計用カフを提供することを目的とする。   The present invention has been made in view of such circumstances, and can prevent the measurement target from being pressed by the ring-shaped member and the measurement target from being pulled into the ring-shaped member. An object of the present invention is to provide a sphygmomanometer cuff capable of preventing bending on the part side.

請求項１に記載の発明は前記目的を達成するために、被測定部に巻き付けられる帯状のカフ本体と、前記カフ本体に支持された膨張袋と、前記カフ本体の基端から所定の距離を持って前記カフ本体の外周面に保持され、前記カフ本体の先端部が差し込まれるリング状部材と、を備えた血圧計用カフにおいて、前記リング状部材の保持位置よりも基端側の前記カフ本体と前記リング状部材側とを連結する連結手段を備え、前記連結手段は、前記リング状部材を前記カフ本体の外周面に保持する保持部材と一体的に形成され、前記保持部材と前記連結手段は、重ね合わせた二枚の布材または折り返して重ね合わせた一枚の布材から成り、前記布材が中央部で縫い合わされることによって前記リング状部材が挿通される環状部が形成されるとともに、前記布材の両端部が前記カフ本体の外周面に縫い合わされることを特徴とする。
In order to achieve the above-mentioned object, the invention according to claim 1 provides a predetermined distance from the band-shaped cuff body wound around the portion to be measured, the inflatable bag supported by the cuff body, and the base end of the cuff body. A cuff for a sphygmomanometer having a ring-shaped member that is held on the outer peripheral surface of the cuff main body and into which a distal end portion of the cuff main body is inserted. A connecting means for connecting the main body and the ring-shaped member side, the connecting means being formed integrally with a holding member for holding the ring-shaped member on an outer peripheral surface of the cuff main body; The means is composed of two overlapped cloth materials or one folded and overlapped cloth material, and an annular portion through which the ring-shaped member is inserted is formed by sewing the cloth materials at a central portion. And Wherein the two ends of the fabric material is stitched on the outer peripheral surface of the cuff body.

本発明によれば、カフ本体の基端側が連結手段を介してリング状部材側に連結されるので、カフ本体の基端側は外周面側に支えられた状態であり、内周面側に折れ曲がることを防止できる。特に、カフ本体の先端部をリング状部材に差し込む際は、リング状部材を外側に立てるので、その動きに連動してカフ本体の基端側が外周面側に引っ張られる。したがって、装着時にカフ本体の基端側が内周側に折れ曲がることを防止することができる。   According to the present invention, since the proximal end side of the cuff body is connected to the ring-shaped member side via the connecting means, the proximal end side of the cuff body is supported on the outer peripheral surface side, It can prevent bending. In particular, when the distal end portion of the cuff body is inserted into the ring-shaped member, the ring-shaped member is raised outward, so that the proximal end side of the cuff body is pulled toward the outer peripheral surface side in conjunction with the movement. Therefore, it is possible to prevent the proximal end side of the cuff body from being bent toward the inner peripheral side during mounting.

また、本発明によれば、布材を縫製することによって、保持部材と連結手段を一体的に作成することができる。
 Further, according to the present invention , the holding member and the connecting means can be integrally formed by sewing the cloth material.

請求項２の発明は請求項１において、前記リング状部材は、前記環状部に挿通される部分の断面が非円形であること特徴とする。このように断面が非円形のリング状部材を用いると、リング状部材を回動した際、カフ本体の基端側がリング状部材に連動し、カフ本体の基端側の折れ曲がりを確実に防止できる。
 According to a second aspect of the present invention, in the first aspect, the ring-shaped member has a non-circular cross section at a portion inserted through the annular portion. When a ring-shaped member having a non-circular cross section is used in this way, when the ring-shaped member is rotated, the proximal end side of the cuff body is interlocked with the ring-shaped member, and bending of the proximal end side of the cuff body can be reliably prevented. .

請求項３の発明は請求項１〜２のいずれか１の発明において、前記膨張袋は、前記リング状部材の保持位置よりも基端側まで配置されることを特徴とする。これにより、リング状部材の被測定部側に膨張袋が配置されるので、リング状部材の感触が被測定部にダイレクトに伝わることを防止できる。
 According to a third aspect of the present invention, in the first or second aspect of the present invention, the inflatable bag is disposed to a base end side with respect to a holding position of the ring-shaped member. Thereby, since the expansion bag is disposed on the measurement target side of the ring-shaped member, it is possible to prevent the feel of the ring-shaped member from being directly transmitted to the measurement target portion.

請求項４の発明は請求項１〜３のいずれか１の発明において、前記リング状部材が前記カフ本体の短手方向にずれることを防止する位置ずれ防止手段を備えることを特徴とする。本発明によれば、位置ずれ防止手段が設けられているので、リング状部材がカフ本体の短手方向にずれることを防止することができる。また、リング状部材の位置がカフ本体の短手方向にずれることを防止したので、リング状部材の動作にカフ本体の基端側に連動し、カフ本体の基端側が内周面側に折れ曲がることを確実に防止できる。 According to a fourth aspect of the present invention, in any one of the first to third aspects of the present invention, the ring-shaped member includes a misalignment preventing means for preventing the ring-shaped member from deviating in the short direction of the cuff body. According to the present invention, since the misalignment prevention means is provided, it is possible to prevent the ring-shaped member from being displaced in the short direction of the cuff body. In addition, since the position of the ring-shaped member is prevented from shifting in the lateral direction of the cuff body, the operation of the ring-shaped member is linked to the proximal end side of the cuff body, and the proximal end side of the cuff body is bent to the inner peripheral surface side. Can be surely prevented.

本発明によれば、カフ本体の基端側が連結手段を介してリング状部材側に連結されているので、カフ本体の基端側は連結手段によって外周面側に支えられており、内周面側に折れ曲がることを防止することができる。   According to the present invention, since the base end side of the cuff body is connected to the ring-shaped member side via the connecting means, the base end side of the cuff body is supported on the outer peripheral surface side by the connecting means, and the inner peripheral surface It can prevent bending to the side.

本発明に係るカフが適用された血圧測定装置の概略構成を示す図The figure which shows schematic structure of the blood-pressure measuring apparatus to which the cuff based on this invention was applied. 第１の実施形態のカフを示す平面展開図Plane development view showing the cuff of the first embodiment 取付部材の構成を模式的に示す断面図Sectional drawing which shows the structure of an attachment member typically カフの作用を説明する説明図Explanatory drawing explaining the action of the cuff リング状部材の位置決め手段を備えたカフの説明図Explanatory drawing of a cuff provided with a ring-shaped member positioning means 図５と異なる位置決め手段を備えたカフの説明図Explanatory drawing of the cuff provided with positioning means different from FIG. 取付部材が異なるカフの平面展開図Plane development of cuffs with different mounting members

以下、添付図面に従って、本発明に係る血圧計用カフの好ましい実施形態について説明する。図１は、本発明の血圧計用カフ（以下、カフ）が適用された血圧測定装置の概略構成を示している。   Hereinafter, preferred embodiments of a sphygmomanometer cuff according to the present invention will be described with reference to the accompanying drawings. FIG. 1 shows a schematic configuration of a blood pressure measurement device to which a sphygmomanometer cuff (hereinafter, cuff) of the present invention is applied.

同図に示す血圧測定装置１４は、被測定部１２に装着したカフ１０によって阻血をしながら血圧を自動的に計測する装置である。カフ１０の構成は後で詳説するが、カフ１０にはコネクタ１６が設けられ、このコネクタ１６に主配管１８が接続されている。主配管１８には空気ポンプ２０と排気制御弁２２が接続されており、空気ポンプ２０によって空気を供給したり、排気制御弁２２から空気を排出したりすることができる。   The blood pressure measurement device 14 shown in FIG. 1 is a device that automatically measures blood pressure while blocking blood with the cuff 10 attached to the measured part 12. Although the configuration of the cuff 10 will be described in detail later, the cuff 10 is provided with a connector 16, and a main pipe 18 is connected to the connector 16. An air pump 20 and an exhaust control valve 22 are connected to the main pipe 18, and air can be supplied by the air pump 20 or discharged from the exhaust control valve 22.

また、主配管１８は圧力センサ２４に接続されており、この圧力センサ２４によってカフ１０内の膨張袋５６（図２参照）の圧力値が検出される。圧力センサ２４はローパスフィルタ２６とバンドパスフィルタ２８に接続されており、圧力センサ２４から圧力信号ＳＰが出力される。ローパスフィルタ２６は圧力信号ＳＰに基づいてカフ１０の圧迫圧を表すカフ圧信号ＳＫを生成し、バンドパスフィルタ２８は生体の心拍に同期して発生する圧力振動の脈波信号ＳＭを生成する。これらの信号ＳＫ、ＳＭは、Ａ／Ｄ変換器３０を介して電子制御装置３２に出力される。   The main pipe 18 is connected to a pressure sensor 24, and the pressure value of the expansion bag 56 (see FIG. 2) in the cuff 10 is detected by the pressure sensor 24. The pressure sensor 24 is connected to a low pass filter 26 and a band pass filter 28, and a pressure signal SP is output from the pressure sensor 24. The low-pass filter 26 generates a cuff pressure signal SK indicating the compression pressure of the cuff 10 based on the pressure signal SP, and the band-pass filter 28 generates a pulse wave signal SM of pressure vibration generated in synchronization with the heartbeat of the living body. These signals SK and SM are output to the electronic control unit 32 via the A / D converter 30.

電子制御装置３２は、所謂マイクロコンピュータであり、ＣＰＵ３４、ＲＡＭ３６、ＲＯＭ３８を備えており、ＣＰＵ３４がＲＡＭ３６の記憶機能を利用しつつ、予めＲＯＭ３８に記憶されたプログラムに従って入力信号を処理するようになっている。この制御装置３２によれば、空気ポンプ２０、排気制御弁２２をそれぞれ制御することができる。なお、電子制御装置３２には、起動押釦スイッチ４０が接続されており、この起動押釦スイッチ４０から起動信号ＳＳが出力される。また、電子制御装置３２には表示部４２が接続され、この表示部４２に測定結果などが表示される。   The electronic control unit 32 is a so-called microcomputer, and includes a CPU 34, a RAM 36, and a ROM 38. The CPU 34 uses the storage function of the RAM 36 and processes input signals in accordance with a program stored in the ROM 38 in advance. Yes. According to this control device 32, the air pump 20 and the exhaust control valve 22 can be controlled. Note that an activation pushbutton switch 40 is connected to the electronic control device 32, and an activation signal SS is output from the activation pushbutton switch 40. Further, a display unit 42 is connected to the electronic control unit 32, and measurement results and the like are displayed on the display unit 42.

以上のように構成された血圧測定装置１４によれば、起動押釦スイッチ４０が操作されると、空気ポンプ２０からカフ１０に圧縮空気（気体）が供給される。これにより、カフ１０内の膨張袋５６（図２参照）が膨張し、膨張袋５６内の圧力が急速昇圧する。そして、膨張袋５６内の圧力値が目標昇圧値（予め最高血圧値よりも十分に高く設定された値）に到達した後、膨張袋５６への供給が停止され、膨張袋５６内の空気が徐々に排気される。その間、脈波信号ＳＭの大きさの変化に基づいて最高血圧値および最低血圧値が決定され、表示部４２に表示される。最後に膨張袋５６内の空気が急速排気され、血圧測定が終了する。   According to the blood pressure measurement device 14 configured as described above, when the activation pushbutton switch 40 is operated, compressed air (gas) is supplied from the air pump 20 to the cuff 10. Thereby, the expansion bag 56 (see FIG. 2) in the cuff 10 is expanded, and the pressure in the expansion bag 56 is rapidly increased. Then, after the pressure value in the expansion bag 56 reaches the target pressure increase value (a value set in advance sufficiently higher than the maximum blood pressure value), the supply to the expansion bag 56 is stopped, and the air in the expansion bag 56 is discharged. It is gradually exhausted. Meanwhile, the systolic blood pressure value and the diastolic blood pressure value are determined based on the change in the magnitude of the pulse wave signal SM and displayed on the display unit 42. Finally, the air in the expansion bag 56 is rapidly exhausted, and the blood pressure measurement is completed.

次に本実施の形態のカフ１０について図２に基づいて説明する。図２は平面展開したカフ１０の外周面を示している。   Next, the cuff 10 of this Embodiment is demonstrated based on FIG. FIG. 2 shows the outer peripheral surface of the cuff 10 developed in a plane.

同図に示すように、カフ１０は主として、カフ本体５０、リング状部材５２、取付部材５４、膨張袋５６を備えている。カフ本体５０は、帯状に形成された外布６２と、その内側で略同形状の内布６４（不図示）を重ねあわせ、その周囲に縁布６６を配置し、これらを縫製することによって帯状且つ袋状に形成される。これらの外布６２、内布６４、縁布６６の材質は特に限定するものではないが、可塑性を有するとともに比較的伸縮不能な素材、たとえば合成樹脂繊維布や不織布などが用いられる。なお、カフ本体５０の構成は上述した実施形態に限定されるものではなく、たとえば外布６２、内布６４、縁布６６以外の布材を用いてもよい。   As shown in the figure, the cuff 10 mainly includes a cuff main body 50, a ring-shaped member 52, an attachment member 54, and an expansion bag 56. The cuff body 50 is formed by overlapping an outer cloth 62 formed in a band shape with an inner cloth 64 (not shown) having substantially the same shape on the inner side thereof, arranging an edge cloth 66 around the outer cloth 62, and sewing them. And it forms in a bag shape. The materials of the outer cloth 62, the inner cloth 64, and the edge cloth 66 are not particularly limited, but a plastic material and a relatively non-stretchable material such as a synthetic resin fiber cloth or a nonwoven fabric are used. The configuration of the cuff body 50 is not limited to the above-described embodiment, and for example, a cloth material other than the outer cloth 62, the inner cloth 64, and the edge cloth 66 may be used.

カフ本体５０は、長手方向の一方側（図中左側）が一定幅で形成されるとともに、他方側（図中右側）が徐々に幅が狭くなるように形成されている。ここで、一定幅側（図２の左側）の端部を基端、徐々に狭くなる側（図２の右側）の端部を先端とする。   The cuff body 50 is formed such that one side in the longitudinal direction (left side in the figure) is formed with a constant width, and the other side (right side in the figure) is gradually narrowed. Here, the end on the constant width side (left side in FIG. 2) is the base end, and the end on the gradually narrowing side (right side in FIG. 2) is the front end.

カフ本体５０の内部には、膨張袋５６が設けられる。膨張袋５６は、カフ本体５０が一定幅の部分の内部に設けられており、その基端は後述するリング状部材５２の保持位置を越えて配置されている。すなわち、膨張袋５６は、リング状部材５２の保持位置にも配置されている。膨張袋５６の構成は図示しないが、たとえば相互に重ねられた外側シートと内側シートをその周縁部で高周波溶着や超音波溶着等によって気密に固着することによって構成される。また、膨張袋５６の材質は特に限定するものではないが、軟質で可撓性を有するもの、例えば軟質ポリ塩化ビニルシートや天然或いは合成ゴムシート等で構成される。   An expansion bag 56 is provided inside the cuff body 50. The expansion bag 56 is provided with a cuff body 50 inside a portion having a constant width, and the base end thereof is disposed beyond a holding position of a ring-shaped member 52 described later. That is, the expansion bag 56 is also disposed at the holding position of the ring-shaped member 52. Although the configuration of the expansion bag 56 is not shown, it is configured, for example, by adhering an outer sheet and an inner sheet, which are stacked on each other, in a hermetic manner by high-frequency welding, ultrasonic welding, or the like at the periphery. The material of the inflatable bag 56 is not particularly limited, but is composed of a soft and flexible material such as a soft polyvinyl chloride sheet or a natural or synthetic rubber sheet.

カフ本体５０の外周面には、一対のファスナ６８、７０が設けられる。ファスナ６８は先端側に設けられており、弾性変形可能な合成樹脂製の多数の鉤状突起を備えている。一方、ファスナ７０は、ファスナ６８の基端側にファスナ６８よりも広い面積で形成されており、多数のループ状繊維を備えている。これらのファスナ６８、７０を重ね合わせることによって、ファスナ６８、７０が着脱自在に結合される。   A pair of fasteners 68 and 70 are provided on the outer peripheral surface of the cuff body 50. The fastener 68 is provided on the distal end side, and includes a number of hook-shaped protrusions made of a synthetic resin that can be elastically deformed. On the other hand, the fastener 70 is formed on the base end side of the fastener 68 with a larger area than the fastener 68, and includes a large number of loop-like fibers. By superimposing these fasteners 68 and 70, the fasteners 68 and 70 are detachably coupled.

カフ本体５０の先端にはチューブ７２が設けられる。チューブ７２は、外布６２と内布６４との間に配置されており、外布６２と内布６４を縫製することにより形成された袋状の収納空間の内部に配置されている。また、チューブ７２は、ゴム等の弾性体から成り、押し潰すことによってリング状部材５２に挿通することができ、且つ、自然の状態ではリング状部材５２に挿通しないようになっている。したがって、チューブ７２をリング状部材５２に挿通させておくことによって、カフ本体５０の先端部がリング状部材５２から抜け落ちることを防止することができる。   A tube 72 is provided at the tip of the cuff body 50. The tube 72 is disposed between the outer cloth 62 and the inner cloth 64, and is disposed within a bag-shaped storage space formed by sewing the outer cloth 62 and the inner cloth 64. The tube 72 is made of an elastic body such as rubber, and can be inserted into the ring-shaped member 52 by being crushed, and is not inserted into the ring-shaped member 52 in a natural state. Therefore, by inserting the tube 72 through the ring-shaped member 52, it is possible to prevent the tip portion of the cuff body 50 from falling off the ring-shaped member 52.

カフ本体５０の基端近傍にはリング状部材５２が設けられる。リング状部材５２は、リング状に形成されており、その内側にはスリット状の開口部５２Ａ（図２、図４参照）が形成されている。開口部５２Ａの大きさや形状は特に限定するものではないが、カフ本体５０の先端を挿通できるような大きさ、形状になっている。また、リング状部材５２は、後述の取付部材５４で保持される保持部分５２Ｂ（図３、図４参照）の断面形状が長円状に形成されている。リング状部材５２の保持部分５２Ｂの断面形状は特に限定するものではないが、長円状や楕円形のような非円形とすることが好ましい。   A ring-shaped member 52 is provided near the proximal end of the cuff body 50. The ring-shaped member 52 is formed in a ring shape, and a slit-shaped opening 52A (see FIGS. 2 and 4) is formed inside thereof. The size and shape of the opening 52A are not particularly limited, but the size and shape are such that the tip of the cuff body 50 can be inserted. In addition, the ring-shaped member 52 has an oval cross-sectional shape of a holding portion 52B (see FIGS. 3 and 4) held by a mounting member 54 described later. The cross-sectional shape of the holding portion 52B of the ring-shaped member 52 is not particularly limited, but is preferably a non-circular shape such as an ellipse or an ellipse.

なお、リング状部材５２の材質は特に限定するものではないが、金属や樹脂などを用いることができる。また、リング状部材５２の形状は、リング状に限定されるものではなく、カフ本体５０を先端側から挿通して係合できる形状であればよく、たとえばＣ状（すなわち一部が切り欠かれた形状）であってもよい。   The material of the ring-shaped member 52 is not particularly limited, but metal, resin, or the like can be used. Further, the shape of the ring-shaped member 52 is not limited to the ring shape, and may be any shape that allows the cuff body 50 to be inserted through and engaged from the distal end side. Shape).

上記の如く構成されたリング状部材５２は、取付部材５４によってカフ本体５０の外布６２に保持されている。図３は取付部材５４の断面を模式的に示している。なお、同図は、取付部材５４の構成を分かり易く示すために、リング状部材５２の一部を二点鎖線で示している。   The ring-shaped member 52 configured as described above is held on the outer cloth 62 of the cuff body 50 by the mounting member 54. FIG. 3 schematically shows a cross section of the mounting member 54. In the figure, a part of the ring-shaped member 52 is indicated by a two-dot chain line for easy understanding of the configuration of the mounting member 54.

図３に示すように、取付部材５４は、一枚の布材によって構成されており、この布材を折って重ね合わせた状態で使用される。具体的には、一枚の布材を折って二重にし、その両端の位置αでカフ本体５０の外布６２に縫製することによって取り付けられる。その際、取付部材５４の基端側（図３左側）の端部は、カフ本体５０の基端近傍に縫製される。   As shown in FIG. 3, the attachment member 54 is composed of a single cloth material, and is used in a state where the cloth material is folded and overlapped. Specifically, it is attached by folding a single cloth material into a double and sewing it to the outer cloth 62 of the cuff body 50 at the positions α at both ends thereof. At that time, the base end side (left side in FIG. 3) of the attachment member 54 is sewn near the base end of the cuff body 50.

取付部材５４の中央部は、二ヶ所の位置βで平行に縫製され、環状部５４Ｂが形成されている。この環状部５４Ｂは、リング状部材５２の保持部分５２Bの外周と略同じ大きさになっており、リング状部材５２の保持部分５２Ｂに全周で密着するようになっている。   The central portion of the mounting member 54 is sewn in parallel at two positions β to form an annular portion 54B. The annular portion 54B has substantially the same size as the outer periphery of the holding portion 52B of the ring-shaped member 52, and is in close contact with the holding portion 52B of the ring-shaped member 52 on the entire periphery.

このように構成された取付部材５４は、リング状部材５２をカフ本体５０の外周面側に保持する保持手段として機能するとともに、カフ本体５０の基端側とリング状部材５２側とを連結する連結手段として機能する。すなわち、取付部材５４は、環状部５４Ｂの先端側部分５４Ａが前記保持手段として機能し、環状部５４Ｂの基端側部分５４Ｃが前記連結手段として機能する。換言すると、リング状部材５２は、環状部５４Ｂと先端側部分５４Ａによってカフ本体５０に保持されており、カフ本体５０は、リング状部材５２の保持位置よりも基端側が、基端側部分５４Ｃによってリング状部材５２側（正確には環状部５４Ｂ）に連結される。   The mounting member 54 configured as described above functions as a holding unit that holds the ring-shaped member 52 on the outer peripheral surface side of the cuff main body 50 and connects the base end side of the cuff main body 50 and the ring-shaped member 52 side. It functions as a connecting means. That is, in the attachment member 54, the distal end side portion 54A of the annular portion 54B functions as the holding means, and the proximal end portion 54C of the annular portion 54B functions as the connecting means. In other words, the ring-shaped member 52 is held by the cuff body 50 by the annular portion 54B and the distal end side portion 54A, and the proximal end side of the cuff body 50 with respect to the holding position of the ring-shaped member 52 is the proximal end side portion 54C. Is connected to the ring-shaped member 52 side (precisely, the annular portion 54B).

なお、上述した実施形態では、取付部材５４として一枚の布材を二重に折り重ねて使用したが、これに限定するものではなく、二枚の布材を重ねて使用してもよい。また、本実施の形態では、取付部材５４が二つの手段（すなわち、リング状部材５２を保持する保持手段と、カフ本体５０の基端側とリング状部材５２とを連結する連結手段）を兼用する例であるが、これに限定するものではなく、両者を別部材として構成してもよい。さらに、本実施の形態では、取付部材５４の基端側部分５４Ｃをカフ本体５０の基端近傍を連結したが、連結位置はリング状部材５２の保持位置よりも基端側であればよく、たとえばカフ本体５０の基端側の縁に連結するようにしてもよい。   In the above-described embodiment, one cloth material is used as the attachment member 54 while being folded twice. However, the present invention is not limited to this, and two cloth materials may be used. In the present embodiment, the mounting member 54 also serves as two means (that is, a holding means for holding the ring-shaped member 52 and a connecting means for connecting the base end side of the cuff body 50 and the ring-shaped member 52). However, the present invention is not limited to this, and both may be configured as separate members. Furthermore, in the present embodiment, the proximal end portion 54C of the attachment member 54 is connected to the vicinity of the proximal end of the cuff body 50, but the connection position may be the proximal end side relative to the holding position of the ring-shaped member 52, For example, you may make it connect with the edge of the base end side of the cuff main body 50. FIG.

次に上記の如く構成されたカフ１０の作用について図４に基づいて説明する。図４はカフ１０の作用を説明する説明図であり、図４（ａ）は使用前の状態を示し、図４（ｂ）は装着作業時の状態を示している。なお、これらの図において、取付部材５４と空気袋５６は太い実線で簡略的に示している。   Next, the operation of the cuff 10 configured as described above will be described with reference to FIG. 4A and 4B are explanatory views for explaining the operation of the cuff 10. FIG. 4A shows a state before use, and FIG. 4B shows a state at the time of mounting work. In these drawings, the attachment member 54 and the air bag 56 are simply shown by thick solid lines.

図４（ａ）に示すように、使用前の状態では、リング状部材５２がカフ本体５０の基端側に倒れ、カフ本体５０に接触した状態になっている。カフ１０を装着する際は、図４（ｂ）に示すように、リング状部材５２をカフ本体５０に対して起こした状態にする。このとき、カフ本体５０の基端は、取付部材５４の基端側部分５４Ｃによってリング状部材５２側（正確には環状部５４Ｂ）に連結されているので、外周面側に引っ張られる。したがって、カフ本体５０の基端が内周側に折れ曲がることを防止できる。これに対して、従来の場合（すなわち、取付部材５４の基端側部分５４Ｃがなく、先端側部分５４Ａと環状部５４Ｂしかない場合）には、カフ本体５０の基端側はリング状部材５２の保持位置で折れ曲がりやすくなる。本実施の形態では、上述したように、取付部材５４の基端側部分５４Ｃを設けてカフ本体５４の基端側とリング状部材５２側を連結するようにしたので、カフ本体５０の基端が内周面側に折れ曲がることを防止することができる。   As shown in FIG. 4A, in a state before use, the ring-shaped member 52 falls to the proximal end side of the cuff body 50 and is in contact with the cuff body 50. When the cuff 10 is attached, the ring-shaped member 52 is raised with respect to the cuff body 50 as shown in FIG. At this time, the base end of the cuff main body 50 is connected to the ring-shaped member 52 side (more precisely, the annular portion 54B) by the base end side portion 54C of the mounting member 54, and is thus pulled to the outer peripheral surface side. Therefore, it is possible to prevent the base end of the cuff body 50 from being bent toward the inner peripheral side. On the other hand, in the conventional case (that is, when there is no proximal end side portion 54C of the mounting member 54 and only the distal end side portion 54A and the annular portion 54B), the proximal end side of the cuff body 50 is the ring-shaped member 52. It becomes easy to bend at the holding position. In the present embodiment, as described above, the proximal end portion 54C of the attachment member 54 is provided to connect the proximal end side of the cuff body 54 and the ring-shaped member 52 side. Can be prevented from being bent toward the inner peripheral surface.

図４（ｂ）のようにリング状部材５２を立てた後、そのリング状部材５２の開口部５２Ａにカフ本体５０の先端を挿入する。これにより、カフ本体５０が環状になるので、その内側に被測定部１２（図１参照）を挿入する。そして、被測定部１２の所定の位置にカフ１０を配置した後、カフ本体５０の先端を引っ張ることによって、被測定部１２にカフ本体５０を密着させる。次いで、カフ本体５０をリング状部材５２の位置で折り返し、先端側のファスナ６８をファスナ７０に密着させる。これにより、カフ１０が被測定部１２に装着される。   After the ring-shaped member 52 is erected as shown in FIG. 4B, the tip of the cuff body 50 is inserted into the opening 52A of the ring-shaped member 52. Thereby, since the cuff main body 50 becomes annular, the portion to be measured 12 (see FIG. 1) is inserted inside thereof. Then, after the cuff 10 is disposed at a predetermined position of the measured part 12, the cuff body 50 is brought into close contact with the measured part 12 by pulling the tip of the cuff body 50. Next, the cuff body 50 is folded back at the position of the ring-shaped member 52, and the fastener 68 on the tip side is brought into close contact with the fastener 70. As a result, the cuff 10 is attached to the measured part 12.

なお、カフ１０の装着方法は上述した例に限定されるものではなく、たとえばカフ本体５０の先端に抜け止め用のチューブ７２がない場合は、最初にカフ本体５０を被測定部１２に巻き付け、その後にカフ本体５０の先端をリング状部材５２に挿通させてもよい。   Note that the method of attaching the cuff 10 is not limited to the above-described example. For example, when the cuff body 50 does not have a retaining tube 72 at the tip, the cuff body 50 is first wound around the measurement target portion 12. Thereafter, the tip of the cuff main body 50 may be inserted through the ring-shaped member 52.

以上説明したように本実施の形態によれば、リング状部材５２の保持位置よりも基端側のカフ本体５０とリング状部材５２側とが取付部材５４により連結されているので、カフ本体５０の基端が内周面側に折れ曲がることを防止することができる。特に本実施の形態では、リング状部材５２の保持部分５２Ｂに取付部材５４の環状部５４Ｂが密着し、さらにリング状部材５２の保持部分５２Ｂが断面非円形で形成されているので、リング状部材５２を立てる動きに連動してカフ本体５２の基端が取付部材５４によって外周面側に引っ張られる。したがって、装着時にカフ本体５０の基端が内周面側に折れ曲がることを確実に防止することができる。これにより、本実施の形態によれば、カフ本体５０の基端が内周面側に折れ曲がった状態で装着されることがないので、高い測定精度を得ることができる。   As described above, according to the present embodiment, the cuff main body 50 and the ring-shaped member 52 side closer to the base end side than the holding position of the ring-shaped member 52 are connected by the attachment member 54, and thus the cuff main body 50. Can be prevented from being bent toward the inner peripheral surface. Particularly in the present embodiment, the annular portion 54B of the mounting member 54 is in close contact with the holding portion 52B of the ring-shaped member 52, and the holding portion 52B of the ring-shaped member 52 is formed with a non-circular cross section. The base end of the cuff body 52 is pulled to the outer peripheral surface side by the mounting member 54 in conjunction with the movement of raising the 52. Therefore, it is possible to reliably prevent the base end of the cuff body 50 from being bent toward the inner peripheral surface side when being mounted. Thereby, according to this Embodiment, since the base end of the cuff main body 50 is not mounted | worn in the state bent to the inner peripheral surface side, a high measurement precision can be obtained.

また、本実施の形態によれば、カフ本体５０の内部に収納された膨張袋５６がリング状部材５２の保持位置にも配置されている。したがって、リング状部材５２の内側（被測定部１２側）には、膨張袋５６が配置されており、リング状部材５２の感触が被測定部１２に直接的に伝わることを防止できる。すなわち、リング状部材５２の内側に膨張袋５６がない場合には、リング状部材５２が直接的に被測定部１２を押圧するという問題が生じるが、本実施の形態では、リング状部材５２の内側に膨張袋５６が配置されているので、このような問題の発生を防止できる。さらに、リング状部材５２の内側に膨張袋５６がない場合には、被測定部１２が想定よりも細いと、膨張袋５６が１周してリング状部材５２からはみ出てしまい、膨張時に被測定部１２がカフ本体５０とともにリング状部材５２に挟み込まれるおそれがあるが、本実施の形態では、リング状部材５２の内側に膨張袋５６が配置されているので、このような問題の発生を防止できる。   Further, according to the present embodiment, the expansion bag 56 accommodated in the cuff body 50 is also disposed at the holding position of the ring-shaped member 52. Therefore, the expansion bag 56 is disposed inside the ring-shaped member 52 (on the measured portion 12 side), and the feeling of the ring-shaped member 52 can be prevented from being directly transmitted to the measured portion 12. That is, when there is no inflatable bag 56 inside the ring-shaped member 52, there is a problem that the ring-shaped member 52 directly presses the measurement target portion 12. Since the expansion bag 56 is disposed on the inner side, such a problem can be prevented. Further, when there is no expansion bag 56 inside the ring-shaped member 52, if the measured portion 12 is thinner than expected, the expansion bag 56 makes one round and protrudes from the ring-shaped member 52, and is measured during expansion. Although the portion 12 may be sandwiched between the ring-shaped member 52 together with the cuff body 50, in the present embodiment, since the expansion bag 56 is disposed inside the ring-shaped member 52, occurrence of such a problem is prevented. it can.

なお、上述した実施形態は、リング状部材５２をカフ本体５０の幅方向に（すなわち、長手方向に直交するように）配置したが、これに限定するものではなく、幅方向に若干の傾きを持って配置するようにしてもよい。   In the above-described embodiment, the ring-shaped member 52 is arranged in the width direction of the cuff body 50 (that is, so as to be orthogonal to the longitudinal direction). However, the present invention is not limited to this, and a slight inclination is caused in the width direction. You may make it arrange.

また、上述した実施形態において、リング状部材５２をカフ本体５０の幅方向（短手方向）に位置決めする位置決め手段を設けてもよい。図５の各図は、リング状部材５２の位置決め手段を備えたカフの平面展開図（主要部のみ）を示している。たとえば、図５（ａ）に示す実施形態は、取付部材５４に３つの貫通孔５４Ｄが形成されており、リング状部材５２にはこの貫通孔５４Ｄに係合する３つの突起部５２Ｄが形成されている。この突起部５２Ｄが貫通孔５４Ｄに係合することによって、リング状部材５２が取付部材５４に対して位置決めされるので、リング状部材５２の位置が幅方向にずれることを防止できる。なお、図５（ａ）は、貫通孔５４Ｄを突起部５２Ｄよりも大きく示したが、略同じ大きさに形成し、嵌合させるようにしてもよい。また、図５（ａ）において、貫通孔５４Ｄと突起部５２Ｄの数は特に限定するものではないが、複数であることが好ましい。さらに、図５（ａ）において、リング状部材５２に突起部５２Ｄを設ける代わりに、リング状部材５２と取付部材５４とをビス等によって固定してもよい。   In the above-described embodiment, positioning means for positioning the ring-shaped member 52 in the width direction (short direction) of the cuff body 50 may be provided. Each drawing in FIG. 5 shows a plan development view (only the main part) of the cuff provided with the positioning means for the ring-shaped member 52. For example, in the embodiment shown in FIG. 5A, the mounting member 54 has three through holes 54D, and the ring-shaped member 52 has three protrusions 52D that engage with the through holes 54D. ing. Since the protrusion 52D is engaged with the through hole 54D, the ring-shaped member 52 is positioned with respect to the attachment member 54, and thus the position of the ring-shaped member 52 can be prevented from shifting in the width direction. 5A shows the through hole 54D larger than the protrusion 52D, it may be formed to have substantially the same size and fit. In FIG. 5A, the numbers of the through holes 54D and the protrusions 52D are not particularly limited, but are preferably plural. Furthermore, in FIG. 5A, instead of providing the protrusion 52D on the ring-shaped member 52, the ring-shaped member 52 and the attachment member 54 may be fixed by screws or the like.

図５（ｂ）に示す実施形態では、リング状部材５２の内側（開口部５２Ａ側）に２個の突起部５２Ｅが形成されている。２個の突起部５２Ｅは、取付部材５４の幅寸法と略同じ間隔で配置されており、この突起部５２Ｅに取付部材５４の縁が係合するようになっている。この構成によれば、リング状部材５２の突起部５２Ｅに取付部材５４が係合するので、リング状部材５２の位置が幅方向にずれることを防止できる。   In the embodiment shown in FIG. 5B, two protrusions 52E are formed inside the ring-shaped member 52 (on the opening 52A side). The two protrusions 52E are arranged at substantially the same interval as the width dimension of the attachment member 54, and the edges of the attachment member 54 are engaged with the protrusions 52E. According to this configuration, the attachment member 54 engages with the protrusion 52E of the ring-shaped member 52, so that the position of the ring-shaped member 52 can be prevented from shifting in the width direction.

なお、図５（ｂ）の実施形態では、リング状部材５２の内側に突起部５２Ｅを形成したが、図５（ｃ）に示すように外側に突起部５２Ｆを形成してもよい。この場合にもリング状部材５２の突起部５２Ｅに取付部材５４が係合するので、リング状部材５２の位置が幅方向にずれることを防止できる。   In the embodiment of FIG. 5B, the protrusion 52E is formed inside the ring-shaped member 52, but the protrusion 52F may be formed outside as shown in FIG. 5C. Also in this case, since the attachment member 54 is engaged with the protrusion 52E of the ring-shaped member 52, the position of the ring-shaped member 52 can be prevented from shifting in the width direction.

また、図６の各図に示すように、リング状部材５２の形状や取付部材５４の縫製位置を変えることによって、リング状部材５２の位置決めを行うようにしてもよい。たとえば、図６（ａ）に示すリング状部材５２は、保持部分５２Ｂが幅方向の中央部で最も太くなるように形成されており、取付部材５４はこの保持部分５２Ｂの形状に合わせて二点鎖線γで示すように縫製されている。このように保持部分５２Ｂの形状と取付部材５４の縫製位置を変えることによって、リング状部材５２を幅方向に位置決めすることができる。同様に、図６（ｂ）に示すリング状部材５２は、保持部分５２Ｂが幅方向の中央部で一定の大きさで形成され、その両側で徐々に小さくなるように形成されており、取付部材５４はこの保持部分５２Ｂの形状に合わせて縫製されている。また、図６（ｃ）に示すリング状部材５２は保持部分５２Ｂの先端側が半楕円形状に形成されており、取付部材５４はこの保持部分５２Ｂの形状に合わせて縫製されている。このようにリング状部材５２の保持部分５２Ｂが幅方向において変化するように形成し、その形状に合わせて取付部材５４を縫製することによって、リング状部材５２を取付部材５４に対して位置決めすることができる。   Further, as shown in each drawing of FIG. 6, the ring-shaped member 52 may be positioned by changing the shape of the ring-shaped member 52 and the sewing position of the attachment member 54. For example, the ring-shaped member 52 shown in FIG. 6A is formed so that the holding portion 52B is thickest at the center in the width direction, and the mounting member 54 has two points according to the shape of the holding portion 52B. It is sewn as shown by the chain line γ. Thus, the ring-shaped member 52 can be positioned in the width direction by changing the shape of the holding portion 52B and the sewing position of the attachment member 54. Similarly, the ring-shaped member 52 shown in FIG. 6B is formed so that the holding portion 52B has a constant size at the center in the width direction and gradually decreases on both sides thereof. 54 is sewn in accordance with the shape of the holding portion 52B. In addition, the ring-shaped member 52 shown in FIG. 6C has a semi-elliptical shape at the front end side of the holding portion 52B, and the attachment member 54 is sewn in accordance with the shape of the holding portion 52B. In this way, the holding portion 52B of the ring-shaped member 52 is formed so as to change in the width direction, and the ring-shaped member 52 is positioned with respect to the mounting member 54 by sewing the mounting member 54 in accordance with the shape. Can do.

なお、上述した実施形態は、取付部材５４の幅をカフ本体５０の幅よりも小さくしたが、これに限定するものではなく、図７に示すように、カフ本体５０と同じ幅に形成してもよい。この場合には、リング状部材５２の開口部５２Ａの幅を取付部材５４の幅と略等しく形成することによって、リング状部材５２の位置が取付部材５４に対して幅方向にずれることを防止できる。   In the above-described embodiment, the width of the attachment member 54 is made smaller than the width of the cuff main body 50. However, the present invention is not limited to this, and as shown in FIG. Also good. In this case, by forming the width of the opening 52 </ b> A of the ring-shaped member 52 substantially equal to the width of the mounting member 54, the position of the ring-shaped member 52 can be prevented from shifting in the width direction with respect to the mounting member 54. .

１０…カフ、１２…被測定部、１４…血圧測定装置、１６…コネクタ、１８…主配管、２０…空気ポンプ、２２…排気制御弁、２４…圧力センサ、２６…ローパスフィルタ、２８…バンドパスフィルタ、３０…Ａ／Ｄ変換器、３２…電子制御装置、３４…ＣＰＵ、３６…ＲＡＭ、３８…ＲＯＭ、４０…起動押釦スイッチ、４２…表示部、５０…カフ本体、５２…リング状部材、５２Ａ…開口部、５２Ｂ…保持部分、５２Ｄ…突起部、５２Ｅ…突起部、５２Ｆ…突起部、５４…取付部材、５４Ａ…先端側部分、５４Ｂ…環状部、５４C…基端側部分、５４Ｅ…貫通孔、５６…膨張袋、６２…外布、６４…内布、６６…縁布、６８…ファスナ、７０…ファスナ、７２…チューブ
DESCRIPTION OF SYMBOLS 10 ... Cuff, 12 ... Measuring part, 14 ... Blood pressure measuring device, 16 ... Connector, 18 ... Main piping, 20 ... Air pump, 22 ... Exhaust control valve, 24 ... Pressure sensor, 26 ... Low pass filter, 28 ... Band pass Filter, 30 ... A / D converter, 32 ... Electronic control device, 34 ... CPU, 36 ... RAM, 38 ... ROM, 40 ... Start-up pushbutton switch, 42 ... Display unit, 50 ... Cuff body, 52 ... Ring-shaped member, 52A ... opening, 52B ... holding portion, 52D ... projection, 52E ... projection, 52F ... projection, 54 ... mounting member, 54A ... distal end side portion, 54B ... annular portion, 54C ... proximal end portion, 54E ... Through hole, 56 ... Expansion bag, 62 ... Outer cloth, 64 ... Inner cloth, 66 ... Edge cloth, 68 ... Fastener, 70 ... Fastener, 72 ... Tube

Claims (4)

被測定部に巻き付けられる帯状のカフ本体と、
前記カフ本体に支持された膨張袋と、
前記カフ本体の基端から所定の距離を持って前記カフ本体の外周面に保持され、前記カフ本体の先端が差し込まれるリング状部材と、を備えた血圧計用カフにおいて、
前記リング状部材の保持位置よりも基端側の前記カフ本体と前記リング状部材側とを連結する連結手段を備え、
前記連結手段は、前記リング状部材を前記カフ本体の外周面に保持する保持部材と一体的に形成され、
前記保持部材と前記連結手段は、重ね合わせた二枚の布材または折り返して重ね合わせた一枚の布材から成り、前記布材が中央部で縫い合わされることによって前記リング状部材が挿通される環状部が形成されるとともに、前記布材の両端部が前記カフ本体の外周面に縫い合わされることを特徴とする血圧計用カフ。 A belt-like cuff body wound around the part to be measured;
An inflatable bag supported by the cuff body;
In a cuff for a sphygmomanometer, comprising a ring-shaped member that is held on the outer peripheral surface of the cuff body with a predetermined distance from the base end of the cuff body and into which the tip of the cuff body is inserted,
A connecting means for connecting the cuff body on the base end side with respect to the holding position of the ring-shaped member and the ring-shaped member side ;
The connecting means is formed integrally with a holding member that holds the ring-shaped member on the outer peripheral surface of the cuff body,
The holding member and the connecting means are composed of two overlapped cloth materials or one folded and overlapped cloth material, and the ring-shaped member is inserted by sewing the cloth material at a central portion. The cuff for a sphygmomanometer is characterized in that an annular portion is formed and both end portions of the cloth material are sewn to the outer peripheral surface of the cuff body . 前記リング状部材は、前記環状部に挿通される部分の断面が非円形であること特徴とする請求項１に記載の血圧計用カフ。 The sphygmomanometer cuff according to claim 1 , wherein the ring-shaped member has a non-circular cross-section at a portion inserted through the annular portion. 前記膨張袋は、前記リング状部材の保持位置よりも基端側まで配置されることを特徴とする請求項１〜２のいずれか１に記載の血圧計用カフ。 The sphygmomanometer cuff according to claim 1 , wherein the inflatable bag is disposed to a base end side with respect to a holding position of the ring-shaped member. 前記リング状部材が前記カフ本体の短手方向にずれることを防止する位置ずれ防止手段を備えることを特徴とする請求項１〜３のいずれか１に記載の血圧計用カフ。
The sphygmomanometer cuff according to any one of claims 1 to 3 , further comprising a displacement prevention means for preventing the ring-shaped member from being displaced in a short direction of the cuff body.
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