JP4184429B2 - Blood pressure monitor and cuff spring for wrist - Google Patents

Blood pressure monitor and cuff spring for wrist

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JP4184429B2
JP4184429B2 JP2008193706A JP2008193706A JP4184429B2 JP 4184429 B2 JP4184429 B2 JP 4184429B2 JP 2008193706 A JP2008193706 A JP 2008193706A JP 2008193706 A JP2008193706 A JP 2008193706A JP 4184429 B2 JP4184429 B2 JP 4184429B2
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JP2008253822A (en )
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淳一 加藤
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日本精密測器株式会社
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本発明は、手首に装着して血圧測定が可能な手首用血圧計及びその手首用血圧計のカフ帯の芯材として用いられるカフスプリングに関する。 The present invention is mounted on the wrist about the cuff spring used as a core material of the cuff band blood pressure sphygmomanometer measurement capable wrist and wrist blood pressure monitor.

従来の血圧計は、一般的に、上腕にカフ帯を装着して血圧の測定を行うものが主流であったが、血圧の測定をオシロメトリック法で行う血圧計が実用に供されるに従い、特許文献1に記載の血圧計の如く、手首で血圧測定を行えるようにしたものが提案されている。 Conventional blood pressure monitor, generally, in accordance with but one for measuring the blood pressure by mounting the cuff on the upper arm has been mainly, sphygmomanometer for measuring the blood pressure oscillometric method is put to practical use, as blood pressure monitor according to Patent Document 1, those to perform the blood pressure measurement at the wrist has been proposed.

図5に示すように、この血圧計50は、手首100に巻き付けるカフ帯52を血圧計本体51に一体化したものである。 As shown in FIG. 5, the blood pressure monitor 50 is obtained by integrating the cuff 52 wound around the wrist 100 of blood pressure monitor main body 51. カフ帯52の内側に空気袋54が配設され、血圧計本体51から空気袋54へ空気を送給してこれを膨張することにより、手首100内を通る動脈(尺骨動脈101、橈骨動脈102)を圧迫し血圧を測定する。 Bladder 54 is disposed inside the cuff 52, by expanding this by feeding air into the air bag 54 from the sphygmomanometer main body 51, an artery (ulnar artery 101 through the wrist 100, radial artery 102 ) to measure the pressure and blood pressure. なお、図5中の符号104は腱、105は尺骨、106は橈骨をそれぞれ示す。 Reference numeral 104 in FIG. 5 tendon, 105 denotes ulna, 106 radius, respectively.
特開平11ー299748号 JP-A-11 over No. 299748

ところが、カフ帯52の芯材として当該カフ帯52に内包されたカフスプリング(クリップ板)53は、尺骨動脈101、橈骨動脈102及び腱104が位置する手首100の拍動部103側に合致する湾曲面形状に形成されている。 However, the cuff spring (clip plate) 53 which is contained in the cuff 52 as a core material of the cuff band 52, ulnar artery 101, radial artery 102 and tendons 104 matches the pulsation portion 103 side of the wrist 100 located It is formed in a curved surface shape. 従って、このカフスプリング53を手首100の拍動部103側に合致させた状態で、カフ帯52を手首100に巻き付け、血圧計本体51から空気袋54へ空気を送給してこの空気袋54を膨張させたとき、この空気袋54の膨張部分が尺骨動脈101及び橈骨動脈102の近傍に形成されず、これらの尺骨動脈101及び橈骨動脈102を良好に圧迫できない場合があり、この場合には、血圧を高精度に測定できない恐れがある。 Accordingly, in a state where the cuff spring 53 is matched to the beat section 103 side of the wrist 100, wrapped around the cuff band 52 on the wrist 100, the air bag to deliver air from the sphygmomanometer main body 51 to the air bag 54 54 when inflated, and the inflated portion of the air bag 54 is not formed in the vicinity of the ulnar artery 101 and the radial artery 102, may these ulnar artery 101 and the radial artery 102 can not be satisfactorily compression, in this case , it may be impossible to measure blood pressure with high precision.

従来の他の血圧計には、カフ帯の空気袋がカフスプリングの周方向中央位置において二分され、それぞれの空気袋へ空気を送給して、各空気袋の膨張部分が尺骨動脈101、橈骨動脈102を個別に圧迫するものもある。 The other conventional sphygmomanometer, the air bag of the cuff band is divided in the circumferential center position of the cuff spring, each of the air bag to deliver air, expanded portions of the air bag ulnar artery 101, radial and some pressing an artery 102 individually. しかし、この場合には、空気袋が分離されているので、カフ帯を手首100に巻き付けにくいなどの問題点がある。 However, in this case, since the air bag are separated, there is a problem, such as hard wrapped around the cuff band on the wrist 100.

また、図5における従来の血圧計50では、カフ帯52内のカフスプリング53は、周方向の一部が切除された断面楕円弧形状の略楕円筒体であり、このカフスリング53の曲率は、当該カフスリング53の軸方向において一定である。 Further, in the conventional sphygmomanometer 50 in FIG. 5, the cuff spring 53 in the cuff band 52 is a substantially elliptical cylinder cross-section elliptic shape in which a part of the circumferential direction is cut, the curvature of the cuff ring 53, It is constant in the axial direction of the cuff ring 53. これに対し、カフ帯52が巻き付けられる手首100は、手側から腕側へ向かって徐々に太くなるため、上記カフスプリング53を内包したカフ帯52を手首100に巻き付けたとき、カフスプリング53が手首100に適合(フィット)せず、カフ帯52が手首100の長手方向及び周方向にずれ易い。 In contrast, the wrist 100 cuff band 52 is wound, in order to gradually thicker toward the arm side from the hand side, when winding the cuff 52 encloses the cuff spring 53 to the wrist 100, the cuff spring 53 not adapted to the wrist 100 (fit), cuff band 52 is easily displaced in the longitudinal direction and the circumferential direction of the wrist 100. 従って、この場合にも、血圧計50による血圧の測定が不安定となり、血圧の測定精度が低下してしまう。 Therefore, also in this case, blood pressure measurement by the blood pressure monitor 50 becomes unstable and the measurement accuracy of the blood pressure is lowered.

本発明の目的は、上述の事情を考慮してなされたものであり、血圧の測定精度を向上できる手首用血圧計及びその手首用血圧計のカフ帯の芯材として用いられるカフスプリングを提供することにある。 An object of the present invention has been made in view of the circumstances described above, to provide a cuff spring used as the core material of the cuff band for a blood pressure monitor and the wrist sphygmomanometer wrist can improve the measurement accuracy of the blood pressure It lies in the fact.

本発明の第1の態様は、手首の拍動部側に合致する湾曲面形状に形成され、且つ外側にマウント部を備えたカフスプリングと、このカフスプリングを芯材として内包し、内側に空気袋が配設されると共に、手首に巻き付けられるカフ帯と、上記カフスプリングの上記マウント部に取り付けられ、上記空気袋へ空気を送給する加圧ポンプを備えた血圧計本体と、を有する手首用血圧計において、上記カフスプリングには、その周方向略中央位置に内側へ突出する突出部が形成されたことを特徴とするものである。 A first aspect of the present invention is formed into a curved surface shape that matches the beat portion of the wrist, and a cuff spring having a mounting portion on the outer side, encloses the cuff spring as a core material, air inside with the bag is provided, the wrist having a cuff wound around the wrist, attached to the mount portion of the cuff spring, the sphygmomanometer body with a pressure pump for feeding air into the air bag, the in use sphygmomanometer, in the cuff spring, it is characterized in that the protrusion protruding inward in the circumferential direction substantially center position has been formed.

本発明の第2の態様は、手首の拍動部側に合致する湾曲面形状に形成され、且つ外側にマウント部を備えたカフスプリングと、このカフスプリングを芯材として内包し、内側に空気袋が配設されると共に、手首に巻き付けられるカフ帯と、上記カフスプリングの上記マウント部に取り付けられ、上記空気袋へ空気を送給する加圧ポンプを備えた血圧計本体と、を有する手首用血圧計において、上記カフスプリングには、その軸方向の任意の位置に周方向に延びるスリットが形成され、当該カフスプリングの軸方向における上記スリットの両側部分が異なった曲率に形成されたことを特徴とするものである。 A second aspect of the present invention is formed into a curved surface shape that matches the beat portion of the wrist, and a cuff spring having a mounting portion on the outer side, encloses the cuff spring as a core material, air inside with the bag is provided, the wrist having a cuff wound around the wrist, attached to the mount portion of the cuff spring, the sphygmomanometer body with a pressure pump for feeding air into the air bag, the in use sphygmomanometer, in the cuff spring, the slit extending in the circumferential direction an arbitrary position in the axial direction is formed, that both sides of the slit in the axial direction of the cuff spring is formed in a different curvature it is an feature.

本発明の第3の態様は、手首の拍動部側に合致する湾曲面形状に形成され、且つ外側にマウント部を備えたカフスプリングと、このカフスプリングを芯材として内包し、内側に空気袋が配設されると共に、手首に巻き付けられるカフ帯と、上記カフスプリングの上記マウント部に取り付けられ、上記空気袋へ空気を送給する加圧ポンプを備えた血圧計本体と、を有する手首用血圧計において、上記カフスプリングには、その周方向略中央位置に内側へ突出する突出部が形成され、更に、当該カフスプリングには、その軸方向の任意の位置に周方向に延びるスリットが形成され、当該カフスプリングの軸方向における上記スリットの両側部分が異なった曲率に形成されたことを特徴とするものである。 A third aspect of the present invention is formed into a curved surface shape that matches the beat portion of the wrist, and a cuff spring having a mounting portion on the outer side, encloses the cuff spring as a core material, air inside with the bag is provided, the wrist having a cuff wound around the wrist, attached to the mount portion of the cuff spring, the sphygmomanometer body with a pressure pump for feeding air into the air bag, the in use sphygmomanometer, in the cuff spring, the protrusion protruding inward in the circumferential direction approximate center is formed, further, on the cuff spring, the slits extending in a circumferential direction at any position in the axial direction is formed, it is characterized in that both sides of the slit in the axial direction of the cuff spring is formed in a different curvature.

本発明の第4の態様は、第1又は第3の態様に記載の発明において、上記カフスプリングには、突出部を補強する補強リブが、当該突出部に一体に設けられたことを特徴とするものである。 A fourth aspect of the present invention is the invention according to the first or third aspect, the above cuff spring, and characterized in that the reinforcing rib for reinforcing the protruding portion is integrally provided on the projecting portion it is intended to.
本発明の第5の態様は、手首用血圧計のカフ帯の芯材として用いられるカフスプリングであって、板状弾性材を手首の拍動部側に合致する湾曲面形状に形成すると共に、その周方向略中央位置に内側へ突出する突出部を設けたことを特徴とするものである。 A fifth aspect of the present invention is a cuff spring used as a core material of the cuff band wrist sphygmomanometer, thereby forming a curved surface shape that matches the plate-like elastic member pulsation part side of the wrist, in which it characterized in that a protruding portion protruding inward in the circumferential direction substantially center position.

本発明の第6の態様は、手首用血圧計のカフ帯の芯材として用いられるカフスプリングであって、板状弾性材を手首の拍動部側に合致する湾曲面形状に形成すると共に、その軸方向の任意の位置に周方向に延びるスリットを形成し、かつこのカフスプリングの軸方向における上記スリットの両側部分を異なった曲率に形成したことを特徴とするものである。 A sixth aspect of the present invention is a cuff spring used as a core material of the cuff band wrist sphygmomanometer, thereby forming a curved surface shape that matches the plate-like elastic member pulsation part side of the wrist, slit is formed extending in a circumferential direction at any position in the axial direction, and is characterized in that the formation of the both side portions of the slit in the axial direction of the cuff spring to different curvatures.

本発明の第7の態様は、第5又は第6の態様に記載のカフスプリングを芯材として内包し、内側に空気袋が配設されると共に、手首に巻き付けられるカフ帯と、上記カフ帯と別個に設けられて上記カフ帯の空気袋へ空気を送給する加圧ポンプを備えた血圧計本体とを有することを特徴とするものである。 A seventh aspect of the present invention, the cuff spring according to the fifth or sixth aspect of the enclosing a core material, the air bag is disposed inside a cuff wound around the wrist, the cuff a separately provided is characterized in that it has a sphygmomanometer body with a Kyusuru pressure pump feeding air to the air bag of the cuff band.

本発明の第1又は第3の態様によれば、加圧ポンプを備えた血圧計本体をマウント部に取り付けると共に、手首に巻き付けられるカフ帯の芯材となる湾曲面形状のカフスプリングには、その周方向略中央位置に内側へ突出する突出部が形成されたことから、この突出部は、カフスプリングを手首の拍動部側に適正に合致させた状態でカフ帯を手首に巻き付けたとき、カフスプリングの周方向において、手首の拍動部内を通る2本の動脈のそれぞれに対応する位置間に位置付けられる。 According to the first or third aspect of the present invention, is attached to a blood pressure gauge body with a pressure pump to the mounting portion, the cuff spring curved surface shape which is the core material of the cuff band wound around the wrist, since the protrusion protruding inward in the circumferential direction substantially center position has been formed, the projecting portions, when winding the cuff on the wrist in a state where the cuff spring is properly matched to the pulsation part side of the wrist in the circumferential direction of the cuff spring, positioned between a position corresponding to each of the two arteries passing through the pulsation portion of the wrist. このため、血圧計本体の加圧ポンプからカフ帯の空気袋へ空気を送給したときに、この空気袋は、カフスプリングの周方向において突出部を避け、この突出部を境とする両側部分が適切に膨張するので、この膨張部分により手首の2本の動脈のそれぞれを効果的に圧迫でき、血圧の測定精度を向上させることができる。 Therefore, when the feed air to the air bag of the cuff band from the pressure pump of the sphygmomanometer main body, each side portion the air bag, to avoid the protrusion in the circumferential direction of the cuff spring, the boundary of this projecting portion since properly inflated, each of the two arteries of the wrist can be effectively compress this expanded portions, it is possible to improve the measurement accuracy of the blood pressure.

本発明の第2又は第3の態様によれば、カフスプリングには、その軸方向の任意の位置に、周方向に延びるスリットが形成され、当該カフスプリングの軸方向における上記スリットの両側部分が異なった曲率に形成されたことから、太さが徐々に変化する手首周囲にカフスプリングを適合(フィット)させることができるので、カフ帯を手首に巻き付けたとき、このカフ帯と手首との隙間を低減できる。 According to the second or third aspect of the present invention, the cuff spring, at any position in the axial direction, a slit extending in a circumferential direction is formed, the both sides of the slit in the axial direction of the cuff spring clearance from the formed different curvature, it is possible to adapt the cuff spring around wrist thickness gradually changes (fit), when wrapped around the cuff on the wrist, with the cuff band and wrist It can be reduced. この結果、カフ帯が手首の長手方向及び周方向にずれることを防止できるため、血圧の測定を安定化でき、血圧の測定精度を向上させることができる。 As a result, it is possible to prevent the cuff band is shifted in the longitudinal direction and the circumferential direction of the wrist, can stabilize the blood pressure measurement, it is possible to improve the measurement accuracy of the blood pressure.

本発明の第4の態様によれば、カフスプリングには、突出部を補強する補強リブが当該突出部に一体に設けられたことから、この突出部の剛性が高まる。 According to a fourth aspect of the present invention, the cuff spring, since the reinforcing rib for reinforcing the protruding portion is provided integrally with the protruding portion, increasing the rigidity of the projecting portion. このため、突出部の変形を防止できる他、カフスプリングの周方向において突出部の両側に形成される空気袋の膨張部分が手首の動脈に作用する圧力が、より一層効果的なものとなる。 Therefore, in addition to it is possible to prevent deformation of the protrusions, the pressure expansion of the air bag to be formed on both sides of the projecting portions in the circumferential direction of the cuff spring acts on the wrist artery, become more more effective.

本発明の第5〜第6の態様によれば、第1又は第3の態様に記載の手首用血圧計に用いるカフスプリングを得ることができる。 According to the fifth to the sixth aspect of the present invention, it is possible to obtain a cuff spring used in the wrist blood pressure monitor according to the first or third aspect. また、本発明の第7の態様に記載の発明によれば、カフ帯と本体とを別体にした手首用血圧計を得ることができる。 Also, according to the invention described in the seventh aspect of the present invention, it is possible to obtain a sphygmomanometer wrist that the cuff and the body separately.

以下、本発明を実施するための最良の形態を、図面に基づき説明する。 Hereinafter, the best mode for carrying out the present invention will be described with reference to the drawings.

図1は、本発明に係る手首用血圧計の一実施の形態を示す斜視図である。 Figure 1 is a perspective view showing an embodiment of wrist sphygmomanometer according to the present invention. 図2は、図1のII‐II線に沿う断面図である。 Figure 2 is a sectional view taken along the line II-II of Figure 1.

図1に示す手首用血圧計10は、血圧計本体11にカフ帯12が取り付けられたものであり、手首1にカフ帯12を巻き付けることで、血圧計本体11を手首1に装着し、オシロメトリック法を用いて手首1で血圧の測定を実施するものである。 Wrist sphygmomanometer 10 shown in FIG. 1, which cuff 12 to the sphygmomanometer main body 11 is attached, by wrapping a cuff band 12 on the wrist 1, a blood pressure monitor is mounted body 11 to the wrist 1, oscillograph wrist 1 with metric method is to perform measurements of blood pressure. この手首用血圧計10は、上記血圧計本体11、上記カフ帯12及びカフスプリング13を有して構成される。 The wrist sphygmomanometer 10 is configured to have the sphygmomanometer main body 11, the cuff 12 and the cuff spring 13.

ここで、手首1の内部には、図2に示すように、尺骨2と橈骨3が並行して通る他、尺骨動脈5と橈骨動脈6も並行して通っている。 Here, inside of the wrist 1, as shown in FIG. 2, except that ulnar 2 and radius 3 passes in parallel, ulnar artery 5 and the radial artery 6 is also through in parallel. これらの尺骨動脈5及び橈骨動脈6は、手首1において尺骨2及び橈骨3の片側、つまり手首1の拍動部4内に間隔をおいて位置付けられている。 These ulnar artery 5 and the radial artery 6 is positioned at the wrist 1 side of the ulna 2 and radius 3, i.e. the distance in the pulsation portion 4 of the wrist 1. 更に、この手首1の拍動部4内には、複数本の腱7が、尺骨動脈5と橈骨動脈6との間に位置付けられて通っている。 Moreover, in the pulsation portion 4 of the wrist 1, a plurality of tendons 7, run through is positioned between the ulnar artery 5 and the radial artery 6.

さて、上記血圧計本体11は、図1に示すように、開口部が互いに接合される上ケース14と下ケース15内に、図示しない加圧ポンプ、減圧制御弁、圧力センサ、及びこれらを制御する制御手段など、血圧測定のための主要機構が収納されている。 Now, the blood pressure monitor main body 11, as shown in FIG. 1, the upper case 14 and the lower case 15 having an opening are joined together, the pressure pump not shown, the pressure reduction control valve, a pressure sensor, and controls these a control means for the main mechanisms for blood pressure measurement are stored. また、上ケース14の上面に、液晶式の表示部16、各種のスイッチ類17が配置される。 Further, the upper surface of the upper case 14, the display unit 16 of liquid crystal type, various switches 17 are disposed. 更に、血圧計本体11の側方にバッテリ一18が装着される。 Furthermore, the battery one 18 is mounted on the side of the sphygmomanometer main body 11. 上記表示部16に、測定された血圧や脈拍などが例えばデジタル表示される。 On the display unit 16, such as measured blood pressure and pulse rate, for example, it is a digital display.

上記カフ帯12は、図1及び図2に示すように、後に詳説する湾曲面形状のカフスプリング13を芯材として内包し、内側に空気袋19が配設される。 The cuff band 12 is, as shown in FIGS. 1 and 2, the cuff spring 13 of the curved surface shape will be described in detail later encloses the core material, air bag 19 is disposed inside. このカフ帯12は手首1に巻き付けられ、内側に設けられた面ファスナ20を用いて、手首1に巻き付けられて固定される。 The cuff band 12 is wound around the wrist 1, by using the surface fasteners 20 provided on the inner side, and fixed wound around the wrist 1. カフ帯12が手首1に巻き付けられて固定された状態で、血圧計本体11の加圧ポンプからカフ帯12の空気袋19へ空気が送給されて、手首1が空気圧により圧迫される。 In the state where cuff band 12 is fixed wound around the wrist 1, the air from the pressure pump of the sphygmomanometer main body 11 to the air bag 19 of the cuff band 12 is fed, the wrist 1 is pressed by air pressure.

上記カフスプリング13は、図2、図3及び図4に示すように、可撓性を備えた合成樹脂などにて構成され、手首1の拍動部4側の少なくとも半周に合致する湾曲面形状に成形される。 The cuff spring 13, as shown in FIGS. 2, 3 and 4, is configured such of a flexible synthetic resin having a curved surface shape that matches the at least half of the pulsation portion 4 side of the wrist 1 It is molded in. つまり、このカフスプリング13は、周方向の一部が切除された切除部21を有する断面楕円弧形状の略楕円筒体であり、切除部21を拡げることで拡径され、切除部21を狭めることで縮径可能に設けられる。 In other words, the cuff spring 13 is a substantially elliptical cylinder cross-section elliptic shape having a circumferential direction of the cutout 21 which is partially resected, is enlarged by expanding the cutout 21, to narrow the cutouts 21 in is reduced in diameter can be provided.

このカフスプリング13の外周側には、切除部21に対向する周方向略中央位置にマウント部22が形成される。 On the outer peripheral side of the cuff spring 13, the mount portion 22 is formed in the circumferential direction substantially central position opposite the cutout 21. このマウント部22は複数本の係止爪23とねじ止め片24とを備えて成り、これらの係止爪23及びねじ止め片24は、カフスプリング13から切り起こされて、このカフスプリング13に一体に成形される。 The mount portion 22 is made and a locking claw 23 and the screw stopping piece 24 a plurality of, these locking claws 23 and screwed piece 24, cut and raised from the cuff spring 13, to the cuff spring 13 It is molded in one piece. 血圧計本体11の下ケース15に係止爪23が係止され、ねじ止め片24がねじ止めされることで、血圧計本体11がカフスプリング13のマウント部22に取り付けられる。 The locking claw 23 is engaged with the lower case 15 of the sphygmomanometer main body 11, by being screwed piece 24 is screwed, the sphygmomanometer main body 11 is mounted on the mount portion 22 of the cuff spring 13. また、マウント部22には開口25が形成される。 An opening 25 is formed in the mount portion 22. この開口25内に、血圧計本体11の加圧ポンプとカフ帯12の空気袋19とを連通する連通管(不図示)が挿通される。 In the opening 25, the communicating pipe that communicates the air bag 19 of the pressure pump and the cuff 12 of the sphygmomanometer main body 11 (not shown) is inserted.

また、このカフスプリング13には、切除部21に対向する周方向略中央位置に、内側へ突出する例えばアーチ形状の突出部26が、カフスプリング13の軸方向に沿う全長に形成される。 Further, this cuff spring 13, in the circumferential direction substantially central position opposite to the cut portion 21, the projecting portion 26, for example arcuate projecting inwardly is formed on the entire length along the axial direction of the cuff spring 13. この突出部26は、図2に示すように、当該突出部26を手首1の拍動部4における腱7に対向する位置に位置付けてカフスプリング13を手首1の拍動部4側に適正に合致させ、この状態でカフ帯12を手首1に巻き付けたとき、カフスプリング13の周方向において、手首1の拍動部4における尺骨動脈5と橈骨動脈6にそれぞれ対応する位置間の略中央位置に位置付けられる。 The projection 26 is, as shown in FIG. 2, the projecting portion 26 properly the cuff spring 13 is positioned at a position facing the tendon 7 in pulsation portion 4 of the wrist 1 pulsation portion 4 side of the wrist 1 It is matched, when winding the cuff 12 on the wrist 1 in this state, in the circumferential direction of the cuff spring 13, a substantially central position between the positions corresponding respectively to the ulnar artery 5 and the radial artery 6 of pulsation portion 4 of the wrist 1 It is positioned to. これにより、カフ帯12の空気袋19へ空気が送給されたとき、この空気袋19は、カフスプリング13の周方向において突出部26を避け、この突出部26を境とする両側部分で、図2の二点鎖線に示すように適切に膨張し、手首1内で腱7の両側にある尺骨動脈5及び橈骨動脈6を効果的に圧迫する。 Accordingly, when the air to the air bag 19 of the cuff band 12 is fed, the air bag 19 is to avoid protruding portions 26 in the circumferential direction of the cuff spring 13, in both side portions of the boundary of the projecting portion 26, properly inflated as shown in two-dot chain line in FIG. 2, to compress the ulnar artery 5 and the radial artery 6 on either side of the tendon 7 in the wrist 1 effectively.

カフスプリング13の外周側におけるマウント部22領域内には、突出部26の外側に補強リブ27が、当該突出部26に一体に成形される。 The mount portion 22 in the region on the outer peripheral side of the cuff spring 13, the reinforcing ribs 27 on the outside of the projecting portion 26 is molded integrally with the projection 26. この補強リブ27は、図3及び図4に示すように、カフスプリング13の軸方向に所定間隔で複数枚設けられて突出部26を補強し、この突出部26の剛性を増大させる。 The reinforcing ribs 27, as shown in FIGS. 3 and 4, in the axial direction of the cuff spring 13 is provided a plurality at predetermined intervals to reinforce the projecting portion 26 increases the rigidity of the projecting portion 26.

更に、略楕円筒形状のカフスプリング13には、その軸方向の任意の位置、本実施の形態では軸方向中央位置に、切除部21からマウント部22まで周方向に延びるスリット28が、図4において左右対称に形成される。 Furthermore, the cuff spring 13 of a substantially elliptic cylinder shape, any position in the axial direction, the axial center position in the present embodiment, a slit 28 extending in the circumferential direction from the cut portion 21 to the mount portion 22, FIG. 4 They are formed symmetrically in. カフスプリング13のマウント部22及び突出部26を除く部分は、これらのスリット28によって、手側分割部分29と腕側分割部分30とに軸方向に分割され、これらの分割部分の曲率が異なって構成される。 Portion excluding the mounting portion 22 and the protrusion 26 of the cuff spring 13, these slits 28, the hand-side division portion 29 and the arm-side division portion 30 is divided in the axial direction, different curvatures of these divided portions constructed. つまり、腕側分割部分30の曲率Rbは、手側分割部分29の曲率Raよりも大きく構成される。 That is, the curvature Rb of the arm-side division portion 30 is greater configured than the curvature Ra hand side wedges 29. これにより、カフ帯12を手首1に巻き付けたとき、手首1が手側から腕側へ徐々に太くなっていても、カフ帯12のカフスプリング13は、手首1の太さの変化に追従し、この手首1に適合(フィット)して、カフスプリング13、つまりカフ帯12と手首1との隙間が低減される。 As a result, when wrapped around the cuff 12 on the wrist 1, even if the wrist 1 has become gradually thicker to the arm side from the hand side, the cuff spring 13 of the cuff 12, following the change in the thickness of the wrist 1 , adapted (fitted) to the wrist 1, the cuff spring 13, that is, the gap between the cuff band 12 and wrist 1 is reduced.

次に、作用説明する。 Next, the action described.

カフ帯12を手首1に巻き付け、面ファスナ20を用いてカフ帯12を固定する。 Winding the cuff band 12 on the wrist 1, to secure the cuff 12 using a fastener 20. このとき、カフ帯12内のカフスプリング13における突出部26を手首1の拍動部4側の腱7に対向して位置付け、カフスプリング13を手首1の拍動部4側に適正に合致させた状態とする。 At this time, positioned opposite the projection 26 in the cuff spring 13 of cuff band 12 on the pulsatile portion 4 side of the tendon 7 wrist 1, properly align your cuff spring 13 to the pulsation portion 4 side of the wrist 1 and state. そして、掌を上にして手を軽く開き、肘を机などの上面について手首1を心臓の高さとし、血圧計本体11のスイッチ類17をオン操作する。 Then, open lightly hand face up palm, the wrist 1 high Satoshi heart for the upper surface of the elbow such as a desk, it turns on the switches 17 of the sphygmomanometer main body 11.

すると、血圧計本体11の加圧ポンプからカフ帯12の空気袋19へ空気が送給され、この空気袋19が膨張する。 Then, air from the pressure pump of the sphygmomanometer main body 11 to the air bag 19 of the cuff band 12 is fed, the air bag 19 is inflated. この空気袋19は、カフ帯12内のカフスプリング13の周方向において、その突出部26の両側部分が適切に膨張し、これらの膨張部分が、手首1内で腱7の両側にある尺骨動脈5及び橈骨動脈7を効果的に圧迫する。 The bladder 19, in the circumferential direction of the cuff spring 13 of cuff band 12, the both side portions of the projecting portion 26 is properly inflated, these expansion portions, ulnar artery on either side of the tendon 7 in the wrist 1 5 and radial artery 7 effectively compress. この状態から所定の経過で、血圧計本体11の圧力センサなどにより血圧が測定され、測定結果が血圧計本体11の表示部16に表示される。 A predetermined elapsed from this state, the blood pressure is measured by the pressure sensor or the like of the sphygmomanometer main body 11, the measurement result is displayed on the display unit 16 of the sphygmomanometer main body 11.

上述のように構成されたことから、上記実施の形態によれば次の効果(1)〜(4)を奏する。 From what has been configured as described above, according to the above embodiment the following effects (1) exhibits to (4).

(1)手首1に巻き付けられるカフ帯12の芯材となる湾曲面形状のカフスプリング13には、その周方向略中央位置に内側へ突出する突出部26が形成されたことから、この突出部26は、当該突出部26を手首1の拍動部4側の腱7に対向させてカフスプリング13を手首1の拍動部4側に適正に合致させ、この状態でカフ帯12を手首1に巻き付けたとき、カフスプリング13の周方向において、手首1の拍動部4内を通る尺骨動脈5と橈骨動脈6のそれぞれに対応する位置間の略中央位置に位置付けられる。 (1) The curved surface shape of the cuff spring 13 serving as a core material of the cuff band 12 wound around the wrist 1, since the projection 26 that protrudes inward in the circumferential direction substantially center position has been formed, the projecting portions 26, the projecting portion 26 to face the pulsation portion 4 side of the tendon 7 wrist 1 cuff spring 13 is properly matched to the pulsation portion 4 side of the wrist 1, the wrist 1 cuff band 12 in this state when wound on in the circumferential direction of the cuff spring 13, it is positioned at a substantially central position between the positions corresponding to the ulnar artery 5 and the radial artery 6 passing through the pulsation part 4 of the wrist 1. このため、血圧計本体11の加圧ポンプからカフ帯12の空気袋19へ空気を送給したときに、この空気袋19は、カフスプリング13の周方向において突出部26を避け、この突出部26を境とする両側部分が適切に膨張するので、この膨張部分により手首1において腱7の両側に位置する尺骨動脈5及び橈骨動脈6のそれぞれを効果的に圧迫でき、血圧の測定精度を向上させることができる。 Therefore, when the feed air to the air bag 19 of the cuff band 12 from the pressure pump of the sphygmomanometer main body 11, the air bag 19 is to avoid protruding portions 26 in the circumferential direction of the cuff spring 13, the projecting portions since both side portions of the boundary 26 is properly inflated, each of ulnar artery 5 and the radial artery 6 located on both sides of the tendon 7 in the wrist 1 can effectively compress this expanded portions, improve the measurement accuracy of the blood pressure it can be.

(2)カフ帯12内のカフスプリング13には、その周方向略中央位置に内側へ突出する突出部26が形成されたことから、この突出部26を手首1の拍動部4内の腱7に対向させてカフスプリング13を手首1の拍動部4側に合致させることで、手首1の腱7が存在する特定部位に突出部26の接触感を与えることができる。 (2) The cuff spring 13 of cuff band 12, tendon that since the protruding portion 26 that protrudes inward is formed in the circumferential direction substantially central position, the pulsation portion 4 of the wrist 1 the projection 26 7 so as to face it to match the cuff spring 13 to the pulsation portion 4 side of the wrist 1, it is possible to provide a contact sensation of the projecting portion 26 to the specific site where the tendon 7 of the wrist 1 is present. これにより、カフ帯12を手首1に巻き付けたときに、カフスプリング13の突出部26が手首1の腱7に対向して当該カフスプリング13が手首1の拍動部4側に適正に位置付けられたことを確認できるので、カフ帯12の空気袋19の膨張による手首1の尺骨動脈5及び橈骨動脈6の圧迫を最適化でき、血圧の測定が安定化して、血圧を正確に測定できる。 Accordingly, when winding the cuff 12 on the wrist 1, the cuff spring 13 projection 26 of the cuff spring 13 to face the tendon 7 of the wrist 1 is positioned properly in the pulsation portion 4 side of the wrist 1 since it can be confirmed that the, the wrist 1 by the expansion of the air bag 19 of the cuff band 12 can optimize the compression of the ulnar artery 5 and the radial artery 6, and is stabilized measurement of blood pressure, it can be accurately measured blood pressure.

(3)カフスプリング13には、突出部26を補強する補強リブ27が当該突出部26に一体に設けられたことから、この突出部26の剛性が高まる。 (3) to the cuff spring 13, since the reinforcing ribs 27 for reinforcing the protruding portion 26 is provided integrally with the protruding portion 26, increasing the rigidity of the projecting portion 26. このため、突出部26の変形を防止できる他、カフスプリング13の周方向において突出部26の両側に形成される空気袋19の膨張部分が手首1の尺骨動脈5及び橈骨動脈6に作用する圧力が、より一層効果的なものとなる。 Therefore, in addition to it is possible to prevent deformation of the projection 26, the pressure acting on the ulnar artery 5 and the radial artery 6 of the expansion portion wrist 1 of bladder 19 that is formed on both sides of the projecting portions 26 in the circumferential direction of the cuff spring 13 but it becomes more more effective.

(4)カフスプリング13には、その軸方向の略中央位置に、切除部21からマウント部22まで周方向に延びるスリット28が左右対称に形成され、当該カフスプリング13の軸方向における上記スリット28の両側の手側分割部分29と腕側分割部分30の曲率が、手側分割部分29よりも腕側分割部分30の方が大きく形成されたことから、手側から腕側へ向かって太さが徐々に増大する手首1周囲にカフスプリング13を適合(フィット)させることができる。 (4) to the cuff spring 13, a substantially central position in the axial direction, a slit 28 extending in the circumferential direction to the mount portion 22 is formed symmetrically from the cut portion 21, the slit 28 in the axial direction of the cuff spring 13 both sides of the hand-side division portion 29 and the arm-side division portion 30 curvature is, since the direction of the arm-side division portion 30 is larger than the hand-side division portion 29, toward the hand side to the arm side thickness of the There it is possible to adapt the cuff spring 13 (fit) to the wrist 1 around gradually increasing. この結果が、カフ帯12を手首1に巻き付けたとき、このカフ帯12と手首1との隙間を低減でき、カフ帯12が手首1の長手方向及び周方向にずれることを防止できるため、血圧の測定を安定化でき、血圧の測定精度をより一層向上させることができる。 This result, when winding the cuff 12 on the wrist 1, since the cuff 12 and can be reduced gap between the wrist 1, cuff band 12 is prevented from being displaced in the longitudinal direction and the circumferential direction of the wrist 1, the blood pressure can stabilize the measurements, it is possible to further improve the measurement accuracy of the blood pressure.

以上、本発明を上記実施の形態に基づいて説明したが、本発明はこれに限定されるものではない。 Although the present invention has been described based on the above embodiment, the present invention is not limited thereto.

例えば、本実施の形態では、カフスプリング13には、その軸方向の中央位置にスリット28が設けられて、カフスプリング13のマウント部22及び突出部26を除く部分が手側分割部分29と腕側分割部分30とに分割されるものを述べたが、このスリット28は、カフスプリング13の軸方向の複数位置にそれぞれ形成されて、カフスプリング13のマウント部22及び突出部26を除く部分を軸方向に3分割以上に分割し、それぞれの分割部分の曲率を、手側から腕側へ向かい順次増大させてもよい。 For example, the arms in this embodiment, the cuff spring 13, a slit 28 is provided in a central position in the axial direction, and the mounting portion 22 and the portion's side division portion 29 except the protruding portion 26 of the cuff spring 13 has been described what is divided into the side wedges 30, the slit 28 is formed respectively on the plurality of positions in the axial direction of the cuff spring 13, a portion excluding the mounting portion 22 and the protrusion 26 of the cuff spring 13 divided axially into three or more divisions, the curvature of each of the divided portions may be sequentially increased toward the hand side to the arm side.

また、上記実施の形態では、カフスプリング13には突出部26、補強リブ27及びスリット28が設けられたものを述べたが、突出部26及び補強リブ27が設けられてスリット28が形成されないものであってもよく、または、スリット28が形成されて突出部26及び補強リブ27が設けられないものであってもよい。 In the above embodiment, the projecting portion 26 to the cuff spring 13, but the reinforcing ribs 27 and the slits 28 mentioned the one provided, which projection 26 and the reinforcing rib 27 is provided with slits 28 are not formed it may also be, or may be one projection 26 and the reinforcing ribs 27 slit 28 is formed is not provided.

さらには、上述の実施の形態では、血圧計本体11にカフ帯12が取り付けられた例を示したが、これは、一般の血圧計のように、血圧計本体11とカフ帯12とを切り離して別体に形成してもよいことは勿論である。 Furthermore, in the above-described embodiment, an example in which the cuff band 12 is attached to the sphygmomanometer main body 11, which, as a general sphygmomanometer, disconnect the sphygmomanometer main body 11 and the cuff 12 it may be formed separately from Te as a matter of course.

本発明に係る手首用血圧計の一実施の形態を示す斜視図である。 Is a perspective view showing an embodiment of wrist sphygmomanometer according to the present invention. 図1のII‐II線に沿う断面図である。 It is a sectional view taken along the line II-II of Figure 1. 図2のカフスプリングを示し、(A)が平面図、(B)が側面図である。 It shows the cuff spring of FIG. 2, (A) is a plan view, a is a side view (B). 図2のカフスプリングの斜視図である。 It is a perspective view of the cuff spring of FIG. 従来の手首用血圧計を示す断面図である。 It is a sectional view showing a conventional wrist blood pressure monitor.

符号の説明 DESCRIPTION OF SYMBOLS

1 手首 4 拍動部 5 尺骨動脈 6 橈骨動脈 10 手首用血圧計 11 血圧計本体 12 カフ帯 13 カフスプリング 19 空気袋 22 マウント部 26 突出部 27 補強リブ 28 スリット 29 手側分割部分 30 腕側分割部分 1 wrist 4 pulsatile portion sphygmomanometer 11 sphygmomanometer 5 feet bone arteries 6 radial artery 10 wrist body 12 cuff 13 Hand cuff spring 19 bladder 22 mount portion 26 projecting portion 27 reinforcing ribs 28 slit 29 side division portion 30 arm-side partition portion

Claims (3)

  1. 手首の拍動部側に合致する湾曲面形状に形成され、且つ外側にマウント部を備えたカフスプリングと、 Is formed into a curved surface shape that matches the beat portion of the wrist, and the cuff spring and provided with a mount portion to the outside,
    このカフスプリングを芯材として内包し、内側に空気袋が配設されると共に、手首に巻き付けられるカフ帯と、 The cuff spring enclosing the core, together with the air bag is disposed inside a cuff wound around the wrist,
    上記カフスプリングの上記マウント部に取り付けられ、上記空気袋へ空気を送給する加圧ポンプを備えた血圧計本体と、を有する手首用血圧計において、 Mounted on the mount portion of the cuff spring, the wrist blood pressure monitor having a sphygmomanometer body with a pressure pump for feeding air to said air bag,
    上記カフスプリングには、その軸方向の任意の位置に周方向に延びるスリットが形成され、当該カフスプリングの軸方向における上記スリットの両側部分が異なった曲率に形成されたことを特徴とする手首用血圧計。 In the cuff spring, the slit extending in the circumferential direction an arbitrary position in the axial direction is formed, wrist, characterized in that both sides of the slit in the axial direction of the cuff spring is formed in a different curvature Sphygmomanometer.
  2. 手首用血圧計のカフ帯の芯材として用いられるカフスプリングであって、板状弾性材を手首の拍動部側に合致する湾曲面形状に形成すると共に、その軸方向の任意の位置に周方向に延びるスリットを形成し、かつこのカフスプリングの軸方向における上記スリットの両側部分を異なった曲率に形成したことを特徴とするカフスプリング。 A cuff spring used as a core material of the cuff band wrist sphygmomanometer, thereby forming a curved surface shape that matches the plate-like elastic member pulsation part side of the wrist, circumferential in any position in the axial direction cuff spring, characterized in that a slit extending in a direction, and to form the both side portions of the slit in the axial direction of the cuff spring to different curvatures.
  3. 請求項に記載のカフスプリングを芯材として内包し、内側に空気袋が配設されると共に、手首に巻き付けられるカフ帯と、上記カフ帯と別個に設けられて上記カフ帯の空気袋へ空気を送給する加圧ポンプを備えた血圧計本体とを有することを特徴とする手首用血圧計。 The cuff spring of claim 2 enclosing a core material, the air bag is disposed inside a cuff which is wound around the wrist, provided separately from the aforementioned cuff to the air bag of the cuff band wrist blood pressure monitor and having a sphygmomanometer body with a pressure pump for feeding air.
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* Cited by examiner, † Cited by third party
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US5825542A (en) 1995-06-26 1998-10-20 Minnesota Mining And Manufacturing Company Diffusely reflecting multilayer polarizers and mirrors
US5828488A (en) 1993-12-21 1998-10-27 Minnesota Mining And Manufacturing Co. Reflective polarizer display
US5831375A (en) 1995-08-11 1998-11-03 Minnesota Mining And Manufacturing Company Electroluminescent lamp using multilayer optical film
US5882774A (en) 1993-12-21 1999-03-16 Minnesota Mining And Manufacturing Company Optical film
US5946431A (en) 1993-07-30 1999-08-31 Molecular Dynamics Multi-functional photometer with movable linkage for routing light-transmitting paths using reflective surfaces
US6025897A (en) 1993-12-21 2000-02-15 3M Innovative Properties Co. Display with reflective polarizer and randomizing cavity
US6088067A (en) 1995-06-26 2000-07-11 3M Innovative Properties Company Liquid crystal display projection system using multilayer optical film polarizers
US6096375A (en) 1993-12-21 2000-08-01 3M Innovative Properties Company Optical polarizer
US6124971A (en) 1995-06-26 2000-09-26 3M Innovative Properties Company Transflective displays with reflective polarizing transflector
USRE38305E1 (en) 1992-10-09 2003-11-11 Asahi Glass Company Ltd. LCD device including an illumination device having a polarized light separating sheet between a light guide and the display
US6804058B1 (en) 1993-12-21 2004-10-12 3M Innovative Properties Company Electroluminescent light source and display incorporating same

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USRE38305E1 (en) 1992-10-09 2003-11-11 Asahi Glass Company Ltd. LCD device including an illumination device having a polarized light separating sheet between a light guide and the display
US5946431A (en) 1993-07-30 1999-08-31 Molecular Dynamics Multi-functional photometer with movable linkage for routing light-transmitting paths using reflective surfaces
US6096375A (en) 1993-12-21 2000-08-01 3M Innovative Properties Company Optical polarizer
US5828488A (en) 1993-12-21 1998-10-27 Minnesota Mining And Manufacturing Co. Reflective polarizer display
US5882774A (en) 1993-12-21 1999-03-16 Minnesota Mining And Manufacturing Company Optical film
US5962114A (en) 1993-12-21 1999-10-05 3M Innovative Properties Company Polarizing beam-splitting optical component
US5965247A (en) 1993-12-21 1999-10-12 3M Innovative Properties Company Process for forming reflective polarizer
US6613421B2 (en) 1993-12-21 2003-09-02 3M Innovative Properties Company Optical film
US6025897A (en) 1993-12-21 2000-02-15 3M Innovative Properties Co. Display with reflective polarizer and randomizing cavity
US6543153B1 (en) 1993-12-21 2003-04-08 3M Innovative Properties Company Reflective polarizer having improved properties and optical display with improved reflective polarizer
US6804058B1 (en) 1993-12-21 2004-10-12 3M Innovative Properties Company Electroluminescent light source and display incorporating same
US6124971A (en) 1995-06-26 2000-09-26 3M Innovative Properties Company Transflective displays with reflective polarizing transflector
US6088067A (en) 1995-06-26 2000-07-11 3M Innovative Properties Company Liquid crystal display projection system using multilayer optical film polarizers
US6018419A (en) 1995-06-26 2000-01-25 3M Intellectual Properties Company Diffuse reflectors
US5825542A (en) 1995-06-26 1998-10-20 Minnesota Mining And Manufacturing Company Diffusely reflecting multilayer polarizers and mirrors
US5831375A (en) 1995-08-11 1998-11-03 Minnesota Mining And Manufacturing Company Electroluminescent lamp using multilayer optical film

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