JP3134144B2 - Physiological amount detector - Google Patents

Physiological amount detector

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JP3134144B2
JP3134144B2 JP06040913A JP4091394A JP3134144B2 JP 3134144 B2 JP3134144 B2 JP 3134144B2 JP 06040913 A JP06040913 A JP 06040913A JP 4091394 A JP4091394 A JP 4091394A JP 3134144 B2 JP3134144 B2 JP 3134144B2
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sensor
oral cavity
fixture
support base
device
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JPH07246191A (en
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晴之 南谷
博一 荻野
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日本光電工業株式会社
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Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【産業上の利用分野】本発明は、血中酸素飽和度等の生理量を検出する生理量検出装置に関する。 The present invention relates to a physiological quantity detection device for detecting a physiological quantity such as blood oxygen saturation.

【0002】 [0002]

【従来の技術】生体の血中酸素飽和度を測定する方法としてパルスオキシメトリ法が知られている。 Pulse oximetry method is known as a method for measuring the blood oxygen saturation of the Prior Art The biological. このパルスオキシメトリ法は、ヘモグロビンの吸光特性がその酸素飽和度によって変化することを利用して血中酸素飽和度を測定する方法であり、パルスオキシメータセンサとしては一般的に透過式のセンサが使用されている。 The pulse oximetry method is a method of measuring blood oxygen saturation by using the fact that the light absorption characteristic of hemoglobin is changed by the oxygen saturation, is generally transparent type sensor is a pulse oximeter sensor It is used.

【0003】この透過式のセンサ10は、図20に示すように、発光素子11と受光素子12とを有しており、 [0003] sensor 10 of the transmission type, as shown in FIG. 20, has a light emitting element 11 and the light receiving element 12,
指先1や耳たぶ等の末梢部位に発光素子11と受光素子12とが対向する状態で取り付けられる。 A peripheral site such as the fingertip 1 or earlobe and the light emitting element 11 and the light receiving element 12 is attached in a state facing each other. そして、指先等の末梢部位に光を照射した際の透過光量の変化から血中酸素飽和度を測定する。 Then, to measure the blood oxygen saturation from a change in the amount of transmitted light when light is irradiated to the peripheral sites, such as a fingertip.

【0004】上記透過式のセンサ10は測定部位をクリップ式に挟むことによって簡易に測定を行うことができるが、測定部位が光透過性の良い指先、耳タブ等の末梢部位に限られ末梢部位の血流量が低下するような状況化では作用しないという欠点を有しており、この欠点を解消し、より広範な部位で測定を行えるのが図21に示す反射式のセンサ20である。 [0004] sensor 10 of the transmission type can be measured easily by sandwiching the measurement site to clipping, but good finger measurement site optical transparency, limited to peripheral sites such as the earlobe peripheral sites in the situation of such blood flow is reduced has the disadvantage that act to eliminate this drawback, the performed measurements at broader site is a sensor 20 of reflection type shown in Figure 21.

【0005】反射式センサ20は基板21に発光素子2 [0005] emitting a reflective sensor 20 substrate 21 element 2
2及び受光素子23が同一平面上に設けられており、額等の生体の皮膚2にテープにより固定される。 2 and the light receiving element 23 is provided on the same plane is fixed by the tape to the skin 2 of a living body forehead like. そして、 And,
発光素子22を発光させて反射光を受光素子23で受光し、血管の脈動による反射光量の変化をとらえることにより血中酸素飽和度を測定する。 By the light emitting element 22 receives the light reflected by the light receiving element 23 measures the blood oxygen saturation by capturing a change in reflected light amount of the blood vessel due to pulsation.

【0006】この反射式センサ20では皮膚2に固定する構成であるので、広範な部位で測定することが可能である。 [0006] Since the configuration of the fixing in the reflective sensor 20 to the skin 2 can be measured in a wide range of sites. しかし、センサ20をテープを用いて皮膚2に固定しなければならないので、安定した状態に固定することが困難であり、従って、安定した測定が難しいという問題があった。 However, since the sensor 20 must be secured to the skin 2 with the tape, it is difficult to fix in a stable state, therefore, there is a problem that stable measurement is difficult. また、確実に固定するのが困難であり、 In addition, it is difficult to reliably fixed,
又、身体的拘束も大きいので、睡眠時や運動時などに長時間に渡って測定することは困難であった。 In addition, because the greater physical restraint, it has been difficult to measure over a long period of time, such as during sleep and exercise.

【0007】尚、上記センサの固定に関する問題は、反射式センサ20の固定の場合のみならず、生体の体温を検出する体温センサ、呼吸回数を検出する呼吸センサ、 [0007] Incidentally, issues fixed of the sensor is not the case of the fixed reflective sensor 20 only, the body temperature sensor for detecting the temperature of a living body, the breathing sensor for detecting the number of breaths,
唾液pHを検出するpHセンサ等の生理量を検出する各種のセンサにおいて共通する問題でもある。 It is also a problem common to the various sensors for detecting the physiological quantity such as a pH sensor for detecting the saliva pH.

【0008】また、種々の生理量(呼吸、体温、血中酸素飽和度、脈拍、唾液pH値等)を同時測定する場合は、各々の生理量に対応したセンサを個別に装着する必要があるので、これらのセンサの脱着が非常に煩雑であり、かつ身体的拘束が大きい。 Further, various physiological quantity (respiration, body temperature, blood oxygen saturation, pulse rate, saliva pH value, etc.) When measured simultaneously, it is necessary to mount the sensors corresponding to each of the physiological amount individually since the desorption of these sensors are very complicated, and a large physical constraints.

【0009】 [0009]

【発明が解決しようとする課題】上記の如く、従来の生理量の検出手法では、生理量を検出するセンサを生体に対して確実に固定することが困難であり、また、身体的拘束も大きいので睡眠時や運動時などの日常的な状況下における測定が困難であり、従って、長時間にわたる生理量のトレンド解析などに不向きであった。 As described above [0005] In the conventional sanitary amount detection methods, a sensor for detecting a physiological amount it is difficult to reliably fix the living body, also larger physical constraints since it is difficult to measure under everyday situations, such as during sleep and exercise, therefore, was not suitable for such as sanitary amount of trend analysis over time. また、センサの脱着が煩しいために種々の生理量を個人的に同時測定を行うことは非常に困難であった。 Further, it has been very difficult to perform personal simultaneous measurement of various physiological amount desorption in annoyance Shii for sensors.

【0010】そのため、個々人の健康管理や在宅医療など、種々の生理量の持続的な変化の測定が必要とされてはいても、これらの測定を行うことが困難な状況にあった。 [0010] Therefore, health management and home care of individuals, can have is a need to measure the sustained changes in various physiological amounts, were in make these measurements difficult situations.

【0011】本発明はこのような従来の欠点を解決するべくなされたものであり、生理量を検出するセンサを生体の所定部位に確実に固定でき、しかも身体的拘束がなく、脱着も容易な生理量検出装置の提供を第1の目的とし、さらに、種々の生理量を測定するための種々のセンサを生体の所定部位に容易に取り付けることができる生理量検出装置の提供を第2の目的とする。 [0011] The present invention has been made to solve the above conventional disadvantages, a sensor for detecting a physiological amount can be securely fixed to a predetermined portion of a living body, yet without physical restraint, also easy desorption providing physiological amount detecting apparatus as a first object, further, a second purpose of providing physiological quantity detection device various sensors can be easily attached to a predetermined portion of a living body for measuring various physiological amount to.

【0012】 [0012]

【課題を解決するための手段】第1の発明に係る生理量検出装置は、生体口腔内の上歯に取り付けられる取付具と、この取付具に固着され前記生体の口腔内表面であって上顎側に密着させられる支持台と、この支持台に固着され前記口腔内における生理量を検出するセンサとを具備して構成される。 SUMMARY OF THE INVENTION The physiological quantity detection device according to the first invention, a fixture attached to the teeth on the in vivo oral cavity, a buccal surface of the living body secured to the fixture maxillary a support base which is brought into close contact with the side, and comprises a sensor for detecting a physiological quantity of the fixed support base within the oral cavity.

【0013】生理量を検出するセンサとしては、生体の血中酸素飽和度を検出する反射式パルスオキシメータセンサ、体温を検出する体温センサ、呼吸回数を検出する呼吸センサ、唾液pHを検出するpHセンサなどがある。 [0013] As the sensor for detecting the physiological amount, reflective pulse oximeter sensor for detecting the blood oxygen saturation of the living body, the body temperature sensor for detecting a body temperature, respiration sensor for detecting the number of breaths, pH of detecting the saliva pH sensor, and the like.

【0014】第2の発明に係る生理量検出装置は、生体口腔内の上歯に取り付けられる取付具と、この取付具に固着され前記生体の口腔内表面であって上顎側に密着さ A second physiological quantity detection device according to invention, is adhered to the fitting attached to the teeth on the in vivo oral cavity, a buccal surface of the living body secured to the fixture maxillary side
れる支持台と、 その発光素子を大口蓋動脈に照射するよ A support base that is, to illuminate the light-emitting element to the greater palatine artery
うに配設してなり、口腔内表面に密着する状態で前記支 It was urchin arranged, the supporting state of close contact with the oral surface
持台に配置されており、血中酸素飽和度を測定する反射式パルスオキシメータセンサと、前記口腔内表面に密着 They are arranged in lifting stand, a reflective pulse oximeter sensor measuring blood oxygen saturation, in close contact with the oral surface
する状態で前記支持台に配置され前記生体の体温を検出する体温センサと、前記支持台を間にして前記口腔内表面とは反対側に位置するように前記支持台に配置され、 A temperature sensor disposed in said support table in a state to detect the body temperature of the living body to said supporting base and between the can and the oral surface is disposed on the support base so as to be positioned on the opposite side,
前記生体の呼吸回数を検出する呼吸センサと、前記口腔内表面に密着する状態で前記取付具に配置され、唾液p A respiration sensor for detecting a respiratory rate of said living body, are arranged in the fixture in a state of close contact with the oral surface, the saliva p
Hを検出するpHセンサとを具備して構成される。 Constituted by and a pH sensor for detecting the H.

【0015】 [0015]

【作用】第1の発明では、生体口腔内の上歯に取付具を取り付けて支持台を口腔内表面に密着させると生理量を検出するセンサは口腔内の所定位置に位置付けられる。 [Action] In the first aspect of the invention, a sensor support base by attaching a fitting to the teeth on the in vivo oral cavity for detecting a physiological amount when brought into close contact with the oral surface is positioned at a predetermined position in the oral cavity.

【0016】第2の発明では、生体口腔内の上歯に取付具を取り付けて支持台を口腔内表面に密着させると、反射式パルスオキシメータセンサ、体温センサ、呼吸センサ及びpHセンサは夫々の生理量を検出するのに適した位置に位置付けられる。 [0016] In the second invention, the support base is attached to fitting the teeth on the in vivo oral cavity when brought into close contact with the oral surface, reflective pulse oximeter sensor, temperature sensor, respiration sensor and pH sensor are each for positioned in a position suitable for detecting the physiological amount.

【0017】 [0017]

【実施例】以下、本発明の実施例を図1乃至図19を参照して詳述する。 EXAMPLES Hereinafter, detailed embodiments of the present invention with reference to FIGS. 1 to 19.

【0017】図1乃至図6は第1の実施例を示す図であり、図1は生理量検出装置の斜視図、図2は同装置の裏面図、図3は同装置のパルスオキシメータセンサを示す図であり、図3(a)は平面図、図3(b)は図3 [0017] FIGS. 1 to 6 are views showing a first embodiment, FIG. 1 is a perspective view of a sanitary amount detector, FIG. 2 is a rear view of the same apparatus, a pulse oximeter sensor of FIG. 3 the apparatus is a diagram showing a, 3 (a) is a plan view, FIG. 3 (b) 3
(a)のA−A線断面図、図4は同装置のパルスオキシメータセンサの別の例を示す図であり、図4(a)は平面図、図4(b)は図4(a)のB−B線断面図、図5 A-A line cross-sectional view of (a), and FIG. 4 is a diagram showing another example of the pulse oximeter sensor in the same device, FIG. 4 (a) is a plan view, FIG. 4 (b) FIG. 4 (a sectional view taken along line B-B in), 5
は同装置のパルスオキシメータセンサのさらに別の例を示す断面図、図6は同装置を口腔内に取り付けた状態を示す図である。 The cross-sectional view showing another example of the pulse oximeter sensor in the same device, FIG 6 is a view showing a state of attaching the same device in the oral cavity.

【0018】本例の生理量検出装置100は、生体の口腔内表面であって上顎側に密着させられる板状の支持台110とこの支持台110の周縁部の3箇所に設けられた取付具120と支持台110の表面側に設けられた反射式のパルスオキシメータセンサ130とで構成されている。 [0018] Physiological amount detecting device 100 of the present example, the fixture provided at three positions on the periphery of the plate-shaped support base 110 Toko of the support 110 which is a buccal surface of the living in close contact with the upper jaw side 120 and is composed of a reflection type pulse oximeter sensor 130 provided on the surface side of the support base 110. 以下、本装置の製造工程につき説明する。 Hereinafter, it will be explained the manufacturing process of the device.

【0019】1. [0019] 1. 口腔内に用いるための小型の反射式パルスオキシメータセンサ130の作成(図3参照)。 Creating a small reflection pulse oximeter sensor 130 for use in the oral cavity (see FIG. 3). 黒色プラスチックで形成された回路基板131に発光素子132と受光素子133を水平に実装し、回路基板131にはリード線134を接続する。 The light emitting element 132 and the light receiving element 133 to the circuit board 131 formed of black plastic horizontally mounted, the circuit board 131 for connecting the lead wire 134. 発光素子132から受光素子133へ直接光が入射することのないように両素子132,133の間に障壁1 Barrier between the two elements 132 and 133 such that the light directly from the light emitting element 132 to the light receiving element 133 without entering 1
35を設けると共に外部光の影響を防ぎ、センサ130 Prevent the influence of external light together with the provision of the 35, the sensor 130
を口腔内で安定して固定するための障壁136を両素子132,133を囲繞するように設ける。 The stable provision of barriers 136 for fixing so as to surround the both elements 132 and 133 in the mouth. 尚、両障壁は弾性を有するプラスチックで一体に形成されており、黒色等の不透明の材料で構成されている。 Incidentally, both the barrier is formed integrally with a plastic having elasticity, and a non-transparent material such as black. 障壁135,136の端面を、口腔内の形状を型取った歯型のうえで口腔内の測定部位の形状に合わせて加工する。 The end face of the barrier 135, 136 is processed in accordance with the shape of the measurement site in the oral cavity upon tooth type took mold the shape of the oral cavity. 本例では、センサ130による測定対象は「大口蓋動脈」としており、センサ130の測定部位は、上顎の大臼歯の内側上方が最適と考えられるので、センサ1 In this example, the measurement target by the sensor 130 is a "greater palatine artery", the measurement site of the sensor 130, since the inner upper molars of the upper jaw are considered optimal, sensor 1
30は図6に示す位置としている。 30 is a position shown in FIG. 尚、口腔内における反射型パルスオキシメータの有効性を高めるためには、センサ130を以下のように改良可能である。 In order to enhance the effectiveness of the reflective pulse oximeter in the oral cavity is a sensor 130 can improve as follows. 1)口腔内では、表皮膚が薄くこの層による光の反射の影響が少いので、図4に示すように障壁135の幅を広くすると共に障壁135の端面を光を反射する白色とすることにより、生体から反射する光のうちの血管の脈動により生ずる脈動成分を増大することができる。 1) In the oral cavity, since the table skin is thin reflective of light by the layer effect is small, it is a white to reflect light to the end surface of the barrier 135 while the width of the barrier 135, as shown in FIG. 4 Accordingly, it is possible to increase the pulsating component caused by pulsation of the blood vessel of the light reflected from the living body. 2)障壁135,136を弾性材で構成し、図5に示すように、支持台110の表面111から先端部を若干突出させるならば、障壁135,136の先端が生体表面に密着し易くなり、生体表面とセンサ130との間に隙間が形成されるのを防止できる。 2) a barrier 135, 136 constituted by an elastic material, as shown in FIG. 5, if slightly to project the tip from the surface 111 of the support base 110, easily leading end of the barrier 135 and 136 are in close contact with the living body surface It can prevent formation of a gap between the biological surface and the sensor 130.

【0020】2. [0020] 2. パルスオキシメータセンサ130の組み込み 上記の歯型のうえで測定対象となる部位にセンサ13 Pulse oximeter sensor 13 at a portion to be measured upon the built above the tooth type sensor 130
0を接着剤等で仮固定する。 0 is temporarily fixed with an adhesive or the like. アクリリックレジン等の樹脂を用いて歯型上で支持台110を作成し、センサ130の測定面側が外部に露出する状態でセンサ130を支持台110に埋め込む。 Using a resin such as a Acrylic resin to create a support base 110 on the tooth die to embed the sensor 130 to the support 110 in a state where the measurement surface of the sensor 130 is exposed to the outside. この場合に、支持台110は、装着時に違和感のないように薄く作成する。 In this case, the support base 110 is thin to create so as not to discomfort when worn. 固定具120をプラスチックにて作成し、歯型上に設置する。 The fixture 120 created in plastic, placed on the dental mold. 本例では、図6に示すように、左右の奥歯3及び前歯4の3箇で固定し得るように固定具120を設置する。 In the present embodiment, as shown in FIG. 6, installing a fixture 120 so as to secure with the three 箇 of the left and right posterior teeth 3 and front teeth 4. そして、固定具120上へレジンをふりかけて固定具120の基端側を支持台110に埋め込み、固定具120を支持台110と一体化する。 Then, sprinkle resin to fasteners 120 on the buried base end side of the fixture 120 to the support 110, to integrate the fastener 120 and the support base 110. 尚、この作業においては、リード線134で歯の噛み合わせを妨げないように、リード線134は奥歯の後方へ回して固定具12 Incidentally, in this work, so as not to interfere with the engagement of teeth with the lead wire 134, fastener lead 134 by turning rearward back teeth 12
0に固定しておく。 It is fixed to 0.

【0021】上記のような工程で製造された生理量検出装置100は、図6に示す如く、被験者の上顎5側の口腔内表面6に装着固定され、リード線134は頬と歯の間を通されて口の端から外部へ導出される。 [0021] Physiological amount detecting device 100 manufactured by the process described above, as shown in FIG. 6, is mounted and fixed on the oral cavity surface 6 of the upper jaw 5 side of the subject, leads 134 between the cheek and teeth threaded and is derived from the edge of the mouth to the outside. そして、発光素子132を発光させ、反射光を受光素子133で受光して反射光量の変化をとらえることにより血中酸素飽和度を測定する。 Then, the light-emitting element 132 to emit light, to measure the blood oxygen saturation by capturing the change in the amount of reflected light by receiving the reflected light by the light receiving element 133.

【0022】この測定においては、上述のように、装置100は被験者の口腔内の形状に合わせて作成されている。 [0022] In this measurement, as described above, device 100 is tailored to the shape of the oral cavity of the subject. 従って、固定具120で上歯の3箇所をしっかりと挟持でき、支持台110を口腔内表面6に確実に密着することができ、また、センサ130を測定部位に正確に位置付けることができ、かつ、測定面を口腔内表面6に密着させることができる。 Therefore, the three of the upper dental firmly be clamped in the fixture 120, the support base 110 can be reliably brought into close contact with the oral surface 6, also, the sensor 130 can be positioned accurately to the measurement site, and the measurement surface can be brought into close contact with the oral surface 6. 従って、装置100は口腔内で強固に固定され、センサ130が測定部位からずれることもないので、正確な測定を行える。 Accordingly, device 100 is firmly fixed in the oral cavity, the sensor 130 can not be shifted from the measurement site, make accurate measurements. また、口腔中における測定であり、外部光の影響を遮断できる点からも安定した測定を行える。 Furthermore, a measurement in the mouth, also perform a stable measurement from a point capable of blocking the influence of external light. さらにまた、本装置100は中枢部位に近い口腔内を測定部位としているので、中枢部位における血中酸素飽和度の変化をとらえることができる。 Furthermore, the device 100 since the oral cavity close to the central site and the measurement site, it is possible to capture a change in the blood oxygen saturation in the central site.

【0023】一方、本装置100はマウスピース型であるので、被験者自身によっても着脱を容易に行え、また、身体各部位の拘束が少く身体動作を自由に行えるので、睡眠時や運動時などに長時間にわたる血中酸素飽和度のモニタを行える。 On the other hand, since the device 100 is a mouthpiece-type, also easy to detachment by the subject himself, and because physical restraint each site less capable the human motion freely, such as during sleep and exercise prolonged allows monitoring of blood oxygen saturation.

【0024】尚、本装置100の固定を強化する面からは、装着の際に入歯安定材を塗付するのも効果的である。 [0024] Incidentally, from the viewpoint of enhancing the fixation of the device 100, it is also effective to with paint dentures stabilized material upon mounting.

【0025】図7乃至図9は本発明の第2の実施例を示す図であり、図7は生理量検出装置の斜視図、図8は同装置の裏面図、図9は同装置を口腔内に装着した装態を示す図である。 [0025] FIGS. 7 to 9 are views showing a second embodiment of the present invention, FIG. 7 is a perspective view of a sanitary amount detector, FIG. 8 is a rear view of the apparatus, FIG. 9 oral cavity the device is a diagram illustrating a Sotai mounted within. 本例の装置100Aにおいては、取付具120Aの構成を除いては第1の実施例と同様の構成となっている。 The apparatus 100A of this embodiment, except the structure of the fixture 120A has the same configuration as the first embodiment.

【0026】すなわち、本例では、取付具120Aとしてはワイヤーが用いられており、このワイヤーが支持台110の周囲に配置され、数箇所の部分121が支持台110に埋め込まれている。 [0026] That is, in this embodiment, the fixture 120A and the wire is used, the wire is placed around the supporting base 110, the portion 121 of the several positions are embedded in the support base 110. そして、装置100Aを口腔内に装着する場合は、上歯7を取付具120Aとしてのワイヤーと支持台110との間に挿入し、主に上歯7 When mounting the device 100A in the oral cavity, insert the upper teeth 7 between the wire and the support base 110 as the fixture 120A, mainly upper teeth 7
の根本部分を取付具120Aで押さえる状態とする。 A state that holds the base portion of the at fitting 120A. 本例によれば、取付具120Aに妨げられることなく、上下の歯を噛み合わせることができる。 According to this embodiment, without being obstructed by the fitting 120A, it is possible to engage the upper and lower teeth. その他の構成、作用、効果は第1の実施例と同様である。 Other structures, functions, and effects are the same as those of the first embodiment.

【0027】図10及び図11は本発明の第3の実施例を示す図であり、図10は生理量検出装置の斜視図、図11は同装置の平面図である。 [0027] FIGS. 10 and 11 are views showing a third embodiment of the present invention, a perspective view of FIG. 10 is physiologically amount detector, 11 is a plan view of the device.

【0028】本例の装置100Bでは、主に口腔内の左右の奥歯間に装着する構成となっており、取付具120 [0028] In this embodiment of the apparatus 100B, has a configuration that mainly be mounted between the left and right posterior teeth in the oral cavity, the fixture 120
Bはプラスチック部122とこのプラスチック部122 Plastic 122 B this plastic part 122
を支持台110に固着するためのワイヤ123とで構成されている。 It is composed of a wire 123 for securing the support base 110. そして本装置100Bを口腔内に装着する場合は、左右の奥歯の外面側を取付具120Bのプラスチック部122で押さえる状態とする。 And if the device 100B is mounted in the oral cavity, a state of pressing the outer surface side of the left and right posterior teeth plastic portion 122 of the fixture 120B. 本例においては、口腔内に装置100Bを装着しても奥歯の先端面は露出しているので、上下の奥歯を噛み合わせることができる。 In this example, since even if wearing the device 100B in the oral cavity are exposed distal end surface of the back teeth, it is possible to engage the upper and lower posterior teeth. その他の構成、作用、効果は第1の実施例と同様である。 Other structures, functions, and effects are the same as those of the first embodiment.

【0029】図12は第4の実施例を示す斜視図である。 FIG. 12 is a perspective view showing a fourth embodiment. 本装置100Cは、口腔内に部分的に装着する構成となっている。 The apparatus 100C is configured to partially mounted in the oral cavity. すなわち、本装置100Cは、図10に示す装置のうちの、センサ130が取り付けられている略半分の部分にて構成されている。 That is, the apparatus 100C includes of the devices shown in FIG. 10, are composed of a substantially half portion of the sensor 130 is mounted.

【0030】図13は第5の実施例を示す斜視図である。 FIG. 13 is a perspective view showing a fifth embodiment. 本装置100Dでは、プラスチックで形成された取付具120Dにより上歯全体を覆う構成となっており、 In the apparatus 100D, it has a structure which covers the entire upper teeth by fitting 120D made of plastic,
支持台110Dは左右の奥歯間の口腔内表面と密着する構成となっている。 Support base 110D has a structure in which close contact with the oral surface between the left and right back teeth. その他の構成、作用、効果は第1の実施例と同様である。 Other structures, functions, and effects are the same as those of the first embodiment.

【0031】図14乃至図17は第6の実施例を示す図であり、図14は生理量検出装置の斜視図、図15は同装置の平面図、図16は同装置を口腔内に装着した状態を示す図、図17は同装置に設けられている各種センサを示す図である。 [0031] FIGS. 14 to 17 are views showing a sixth embodiment, FIG. 14 is a perspective view of a sanitary amount detector, 15 is mounted plan view of the apparatus, FIG. 16 of the same device in the oral cavity shows a state, FIG. 17 is a diagram showing various sensors provided in the same device.

【0032】本装置100Eは各種のセンサが設けられたマルチタイプの生理量検出装置となっている。 [0032] The device 100E has a multi-type sanitary amount detecting apparatus in which various sensors are provided. すなわち、本装置100Eにおいては、口腔内表面に密着させられる支持台110及び上歯に固定される取付具120 That is, in this apparatus 100E, fixture 120 fixed to the support base 110 and the upper teeth are brought into close contact with the oral surface
の構成は図1に示す装置100とほぼ同様な構成となっているが、支持台110又は取付具120にはパルスオキシメータセンサ130、体温センサ140、呼吸センサ150及びpHセンサ160が設けられており、これらのセンサ130〜160で検出した信号はリード線1 Structure of but has substantially the same construction as the device 100 shown in FIG. 1, the pulse oximeter sensor 130 to the support 110 or fixture 120, temperature sensor 140, respiration sensor 150 and pH sensor 160 is provided cage, the signal detected by these sensors 130 to 160 are the leads 1
34を介して外部装置において処理される。 34 are processed in the external unit through the.

【0033】パルスオキシメータセンサ130の構成は第1の実施例と同様となっており、測定対象、測定部位も第1の実施例と同様となっている。 The configuration of a pulse oximeter sensor 130 has the same as the first embodiment, the measurement target, even the measurement site is the same as that of the first embodiment.

【0034】体温センサ140は、図17(a)に示すように、温度を感知するサーミスタ141を素子として構成されており、温度感知面142が露出する状態で支持台110に埋め込まれている。 The temperature sensor 140, as shown in FIG. 17 (a), is composed of a thermistor 141 for sensing the temperature of elements, are embedded in the support base 110 in a state where the temperature sensing surface 142 is exposed. この体温センサ140 The temperature sensor 140
は、舌との接触を防ぎかつ深部の体温を測定する必要があるので、上顎後方であって口腔内表面に温度感知面1 Since it is necessary to measure the body temperature of the prevent and deep contact with the tongue, the temperature sensing surface to a maxillary posterior buccal surfaces 1
42が密着する状態に支持台110に配置されている。 42 is disposed on the support base 110 in a state of close contact.
また、サーミスタ141に口腔内表面の温度を正確に伝達させるべく、サーミスタ141は熱伝導率の高い素材143で覆われており、また、支持台110への放熱を阻止すると共に口腔内の気温の影響を避けるために、素材143の周囲は、温度感知面142を除いて、断熱材145で覆われている。 Further, in order to accurately transmit the temperature of the intraoral surfaces thermistor 141, the thermistor 141 is covered with a high material 143 thermal conductivity, also the temperature in the mouth while blocking heat radiation to the support base 110 to avoid the influence, the periphery of the material 143, except for the temperature sensing surface 142, are covered with a heat insulating material 145.

【0035】呼吸センサ150は、図17(b)に示すように、サーミスタ151を素子として構成されており、呼気温、吸気温の温度差から呼吸回数を算出する。 The respiration sensor 150, as shown in FIG. 17 (b), is composed of a thermistor 151 as an element, a call temperature, calculates the number of breaths from the temperature difference between the intake air temperature.
従って、呼吸気の流れを感知し易いように上顎後方であって口腔内表面とは反対側に位置するようにして支持台110に設けられている。 Therefore, it provided in the support base 110 so as to be opposite to the a maxillary posterior buccal surfaces as easily sense the flow of respiratory gases. また、微細な変化をとらえるために、サーミスタ151をむき出しのまま設置すると共に、サーミスタ151に舌が接触しないように、呼吸気の流れを妨げない状態でガイド152をサーミスタ1 Further, in order to capture the minute changes, as well as installing a thermistor 151 remains exposed, so the tongue does not contact the thermistor 151, the thermistor guide 152 in a state that does not interfere with the flow of respiratory gases 1
51の周囲に設けてある。 It is provided around the 51.

【0036】pHセンサ160は、図17(c)に示すように、ISFET(イオン感応性電界効果型トランジスタ)161を素子として構成されており、測定部位は最も唾液分泌量の多い耳下腺管の開口部(上顎第二大臼歯の頬側上部)付近としている。 The pH sensor 160, as shown in FIG. 17 (c), ISFET (ion-sensitive field-effect transistor) 161 is configured as a device, the measurement site is the most salivating intensive parotid tube the opening is set to (maxillary second molar buccal top) around. 従って、当該部位に設置されるように、pHセンサ160は奥歯に固定される取付具120の外面側に設けられている。 Therefore, to be installed at the site, pH sensor 160 is provided on the outer surface side of the fixture 120 fixed to the back teeth. また、素子1 In addition, element 1
61を保護するカバー162が設けられており、このカバー162は唾液を透過し易いように網状となっている。 61 is a cover 162 which is provided protect, cover 162 has a net so as to facilitate permeation saliva.

【0037】図18は上記生理量検出装置100Eを用いたマルチセンサシステムを示すブロック図である。 [0037] FIG. 18 is a block diagram illustrating a multi-sensor system using the physiological amount detector 100E. パルスオキシメータ130の受光素子133、体温センサ140、呼吸センサ150及びpHセンサ160の各信号は増幅器181で増幅されてマルチプレクサー182 Light-receiving element 133 of the pulse oximeter 130, temperature sensor 140, respiration sensor 150 and pH signals of the sensor 160 is amplified by the amplifier 181 multiplexer 182
に送出され、このマルチプレクサー182により各種信号のうちの1つの信号が選択され、当該信号はA/D変換器183によりデジタル化されてCPU184に送出され、このCPU184により各種処理がなされて表示器185、記録器186にデータが送られる。 Dispatched, one signal of the various signals by the multiplexer 182 is selected, the signal is sent to CPU184 is digitized by A / D converter 183, display and various kinds of processing by the CPU184 185, data is sent to the recorder 186. また、受光素子133から送出されるデータはCPU184を介してコントローラ187へも送出され、コントローラ1 Further, data sent from the light receiving element 133 is also sent to the controller 187 via the CPU 184, the controller 1
87はこのデータに基いて発光素子132の出力レベルを制御する。 87 controls the output level of the light emitting element 132 based on this data.

【0038】一方、図15に一点鎖線に示す如く、支持台110にテレメトリーシステム部187を設けることにより装置100Eをテレメータ化し、リード線134 On the other hand, as shown in dashed line in FIG. 15, the device 100E with telemeter by providing a telemetry system 187 to the support 110, the leads 134
を除去することも可能である。 It is also possible to remove the. このような構成とするならば一段と無拘束化を図ることができ、複数のデータを長時間にわたって同時測定することも可能となる。 With such a structure, if it can further be achieved unrestrained reduction to, it is possible to simultaneously measure over time a plurality of data. 図1 Figure 1
9は、このように装置100Eをテレメータ化した場合のマルチテレメトリーセンサシステムのブロック図を示すものである。 9 shows a block diagram of a multi-telemetry sensor system responds to telemeter the thus device 100E. 各種センサ130,140,150及び160で検出されたSpO2 (酸素飽和度)、体温、呼吸回数及びpHのデータはテレメトリーシステム部18 Various SpO2 (oxygen saturation) which is detected by the sensor 130, 140, 150 and 160, temperature, data of respiratory rate and pH telemetry system unit 18
7において各種処理がなされ変調されて無線伝送される。 Various processes are performed which are modulated radio transmission in 7. このデータは復調器188で復調され、A/D変換器183でデジタル化されてCPU184に送出され、 This data is sent to is demodulated by demodulator 188, and digitized by the A / D converter 183 CPU 184,
CPU184で各種処理がなされて表示器185及び記録器186に出力される。 Various processes are output to the display unit 185 and the recording device 186 is made by CPU 184.

【0039】尚、上記各実施例においては、生理量として血中酸素飽和度、体温、呼吸回数、唾液pHを検出するセンサを設ける場合につき説明したが、パルスオキシメトリ法を用いれば脈拍の測定も可能である。 [0039] In the above embodiments, blood oxygen saturation as a physiological amount, body temperature, respiratory rate, has been explained a case of providing a sensor for detecting the saliva pH, pulse measurement of the use of the pulse oximetry technique it is also possible. また、皮膚インピーダンス、唾液中ホルモンなど、口腔内で測定し得る他の生理量を測定するセンサを支持台110又は取付具120に設けても良い。 Also, skin impedance, etc. salivary hormone, a sensor for measuring other physiological quantity that can be measured in the oral cavity may be provided on the support base 110 or fixture 120. また、各種センサの組合せについても、実施例のみならず、必要に応じて種々の組み合わせとすることができる。 As for the combination of various sensors, not only embodiments and may have various combinations as necessary. さらに、上述の各実施例は、口腔内の上歯に取り付けられる取付具と、この取付具に固着され口腔内の上顎部に密着される支持体を異なる部材で構成したものであったが、弾力性のある硬質プラスチック等の適切な材料を用いるならば、一つの部材として構成することも可能であり、その場合には製造工程をより単純化することができる。 Further, each of the above embodiments, a fixture attached to a tooth on the oral cavity, although the support to be in close contact with the upper jaw of the secured to the oral cavity were those composed of different members in this fixture, If using a suitable material such as hard plastic resilient, it is also possible to construct as a single member, it is possible to further simplify the manufacturing process in that case.

【0040】 [0040]

【発明の効果】以上説明したように、第1の発明に係る生理量検出装置では、生理量を検出するセンサが口腔内の測定部位にしっかりと固定されるので正確な生理量の測定を行える。 As described in the foregoing, in the physiological amount detecting apparatus according to the first invention, allows the accurate measurement of physiological amount the sensor for detecting a physiological amount is secured to the measurement site in the oral cavity .

【0041】また、本装置はマウスピースの如くして口腔内に装着できるので被検者自身によっても容易に着脱することができる。 Further, the apparatus can be easily attached and detached by the subject himself so can be mounted in the oral cavity and as mouthpiece. また、口腔内に装着されるので、身体各部の拘束が少い。 Further, since it is mounted in the oral cavity, it is less constrained Body Part. 従って、身体動作を自由に行えるので、睡眠時や運動時などに長時間にわたる生理量のモニタが可能となる。 Accordingly, since the freely perform a physical operation, it is possible to monitor the physiological amount over time, such as during sleep or exercise.

【0042】また、血中酸素飽和度、体温、呼吸回数、 [0042] In addition, blood oxygen saturation, body temperature, respiratory rate,
唾液pHのように測定部位が口腔内である場合が正確なデータを得られる生理量について、これらの生理量を検出するセンサを口腔内の所定位置に容易に取り付けられるという利点を有する。 Physiological amount when measurement site as saliva pH is within the oral cavity is obtained accurate data has the advantage that is easily attached to a predetermined position in the oral cavity sensors to detect these physiological amount.

【0043】第2の発明に係る生理量検出装置では、反射式パルスオキシメータセンサ、体温センサ、呼吸センサ及びpHセンサが装置に設けられているので、第1の発明の効果に加え、これら複数の生理量を同時測定が可能であるという効果を有する。 [0043] In the physiological amount detecting apparatus according to the second invention, reflective pulse oximeter sensor, body temperature sensor, since the respiration sensor and pH sensor are provided to the device, in addition to the effect of the first invention, the plurality It has the effect that the physiological amount can be simultaneously measured. また、当該装置を口腔内に装着するという簡単な作業で、各種のセンサを口腔内の所定位置に同時にかつ確実に位置付けられ、また、当該装置を外すだけで各種センサを同時に外せるという効果を有する。 Further, the device in a simple operation of mounting in the oral cavity, various sensors simultaneously and reliably positioned in a predetermined position in the oral cavity, also has the effect that Hazuseru only various sensors simultaneously remove the device .

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明の第1の実施例に係る生理量検出装置の斜視図。 Perspective view of a sanitary amount detecting apparatus according to a first embodiment of the present invention; FIG.

【図2】図1の装置の裏面図。 [Figure 2] rear view of the device of FIG.

【図3】図1の装置のパルスオキシメータセンサを示す図。 FIG. 3 shows a pulse oximeter sensor of the device of FIG.

【図4】別のパルスオキシメータセンサを示す図。 FIG. 4 shows a different pulse oximeter sensor.

【図5】さらに別のパルスオキシメータセンサを示す断面図。 [5] cross-sectional view showing another pulse oximeter sensor.

【図6】図1の装置を口腔内に取り付けた状態を示す図。 6 is a diagram the apparatus of FIG. 1 shows a state mounted in the oral cavity.

【図7】本発明の第2の実施例に係る生理量検出装置を示す斜視図。 FIG. 7 is a perspective view showing a sanitary amount detecting apparatus according to a second embodiment of the present invention.

【図8】図7の装置の裏面図。 [8] rear view of the device of FIG.

【図9】図7の装置を口腔内に装着した状態を示す図。 9 is a diagram the apparatus of FIG. 7 showing a state of mounting in the oral cavity.

【図10】本発明の第3の実施例に係る生理量検出装置を示す斜視図。 Figure 10 is a perspective view showing a sanitary amount detecting apparatus according to a third embodiment of the present invention.

【図11】図10の装置の平面図。 Figure 11 is a plan view of the device of FIG.

【図12】本発明の第4の実施例に係る生理量検出装置を示す斜視図。 Perspective view showing a sanitary amount detecting apparatus according to a fourth embodiment of the present invention; FIG.

【図13】本発明の第5の実施例に係る生理量検出装置を示す斜視図。 Figure 13 is a perspective view showing a sanitary amount detecting apparatus according to a fifth embodiment of the present invention.

【図14】本発明の第6の実施例に係る生理量検出装置を示す斜視図。 [14] Sixth perspective view showing a sanitary amount detecting apparatus according to an embodiment of the present invention.

【図15】図14の装置の平面図。 Figure 15 is a plan view of the device of FIG. 14.

【図16】図14の装置を口腔内に装着した状態を示す図。 FIG. 16 is a diagram the apparatus of FIG. 14 shows a state of mounting in the oral cavity.

【図17】図14の装置に設けられたセンサを示す図。 FIG. 17 shows a sensor provided in the apparatus of FIG. 14.

【図18】図14の装置を用いたマルチセンサシステムを示すブロック図。 Figure 18 is a block diagram illustrating a multi-sensor system using the apparatus of FIG. 14.

【図19】図14の装置を用いたマルチテレメトリーセンサシステムを示すブロック図。 Figure 19 is a block diagram illustrating a multi-telemetry sensor system using the apparatus of FIG. 14.

【図20】従来の透過式パルスオキシメータセンサを示す図。 FIG. 20 shows a conventional transmissive type pulse oximeter sensor.

【図21】従来の反射式パルスオキシメータセンサを示す図。 FIG. 21 shows a conventional reflection type pulse oximeter sensor.

【符号の説明】 DESCRIPTION OF SYMBOLS

100 生理量検出装置 110 支持台 120 取付具 130 パルスオキシメータセンサ 140 体温センサ 150 呼吸センサ 160 pHセンサ 100 Physiological amount detecting device 110 support table 120 fixture 130 pulse oximeter sensor 140 temperature sensor 150 respiration sensor 160 pH sensor

───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl. 7 ,DB名) A61B 5/00 A61B 5/08 A61B 5/145 ────────────────────────────────────────────────── ─── of the front page continued (58) investigated the field (Int.Cl. 7, DB name) A61B 5/00 A61B 5/08 A61B 5/145

Claims (6)

    (57)【特許請求の範囲】 (57) [the claims]
  1. 【請求項1】 生体口腔内の上歯に取り付けられる取付具と、この取付具に固着され前記生体の口腔内表面であって上顎側に密着される支持台と、この支持台又は前記取付具に固着され前記口腔内における生理量を検出するセンサとを具備することを特徴とする生理量検出装置。 1. A and fixture attached to the teeth on the in vivo oral, a support base that is in close contact with an oral surface of the living body secured to the fixture maxillary side, the support base or the fixture physiological amount detection apparatus characterized by comprising a sensor for detecting a physiological amount in secured to the oral cavity to.
  2. 【請求項2】 前記センサは、 その発光素子を大口蓋動 Wherein said sensor is greater palatine kinematic the light emitting element
    脈に照射するように配設してなり、血中酸素飽和度を測 It will be disposed so as to irradiate the artery, measuring the blood oxygen saturation
    定する反射式パルスオキシメータセンサであり、口腔内表面に密着する状態で前記支持台に配置されていることを特徴とする請求項1に記載の生理量検出装置。 A reflective pulse oximeter sensor with a constant, physiological amount detecting apparatus according to claim 1, characterized in that in a state of close contact with the oral surface is disposed on the support base.
  3. 【請求項3】 前記センサは、生体の体温を検出する体温センサであり、口腔内表面に密着する状態で前記支持台に配置されていることを特徴とする請求項1に記載の生理量検出装置。 Wherein the sensor is a temperature sensor for detecting the temperature of a living body, the physiological amount detection according to claim 1, characterized in that in a state of close contact with the oral surface is disposed on the support table apparatus.
  4. 【請求項4】 前記センサは、生体の呼吸回数を検出する呼吸センサであり、 前記支持台を間にして口腔内表面とは反対側に位置するように前記支持台に配置されていることを特徴とする請求項1に記載の生理量検出装置。 Wherein said sensor is a respiratory sensor that detects the respiratory rate of a living body, said the support table and between the by oral surface is disposed on the support base so as to be positioned on the opposite side physiological amount detecting apparatus according to claim 1, wherein.
  5. 【請求項5】 前記センサは、唾液pHを検出するpH Wherein said sensor, pH of detecting the saliva pH
    センサであり、口腔内表面に密着する状態で前記取付具に配置されていることを特徴とする請求項1に記載の生理量検出装置。 A sensor, physiological amount detecting apparatus according to claim 1, characterized in that in a state of close contact with the oral surface is disposed in the fixture.
  6. 【請求項6】 生体口腔内の上歯に取り付けられる取付具と、 この取付具に固着され前記生体の口腔内表面であって上顎側に密着される支持台と、 その発光素子を大口蓋動脈に照射するように配設してな 6. A fixture is attached to the teeth on the in vivo oral, a support base that is in close contact with the upper jaw side a buccal surface of the living body secured to the fixture, greater palatine artery the light emitting element it was arranged so as to irradiate the
    り、口腔内表面に密着する状態で前記支持台に配置され Ri, is arranged on the support base in a state of close contact with the oral surface
    ており、血中酸素飽和度を測定する反射式パルスオキシメータセンサと、 前記口腔内表面に密着する状態で前記支持台に配置され前記生体の体温を検出する体温センサと、 前記支持台を間にして前記口腔内表面とは反対側に位置するように前記支持台に配置され、前記生体の呼吸回数を検出する呼吸センサと、 前記口腔内表面に密着する状態で前記取付具に配置さ And, between the reflective pulse oximeter sensor measuring blood oxygen saturation, body temperature sensor disposed in said support table in a state of close contact with the oral surface to detect the body temperature of the living body, the support base disposed in the support base so as to be positioned on the opposite side to the oral surface to, is arranged a breathing sensor for detecting a respiratory rate of said living body, said fitting in a state of close contact with the oral surface
    れ、唾液pHを検出するpHセンサとを具備することを特徴とする生理量検出装置。 Are physiological quantity detection device characterized by comprising a pH sensor for detecting the saliva pH.
JP06040913A 1994-03-11 1994-03-11 Physiological amount detector Expired - Fee Related JP3134144B2 (en)

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