JP7395848B2 - 生体情報測定装置 - Google Patents
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Description
本実施形態では、血管の脈動を検出する生体情報測定装置の特徴的な例について、図1~図12に従って説明する。図1は、生体情報測定装置の構成を示す概略斜視図である。図1に示すように、生体情報測定装置1は所定の厚みを有する箱状のケース2を備えている。ケース2の厚み方向の一方には裏蓋3が設置されている。裏蓋3には光が通過可能な通過部4が配置されている。ケース2の内部には発光部5及び受光部6を備えるセンサー部7等が配置されている。発光部5は生体に照射される照射光を射出する。照射光が生体内で反射した反射光を受光部6が受光する。
次に、生体情報測定装置の一実施形態について図13及び図14を用いて説明する。図13及び図14はセンサー部及び裏蓋の構成を示す要部模式側断面図である。図13は図3のB-B線に沿う断面側から見た図に相当する。図14は図3のA-A線に沿う断面側から見た図に相当する。本実施形態が第1の実施形態と異なるところは、センサー部7と裏蓋3との間の隙間が異なる点にある。尚、第1の実施形態と同じ点については説明を省略する。
次に、生体情報測定装置の一実施形態について図15及び図16を用いて説明する。図15及び図16はセンサー部及び裏蓋の構成を示す要部模式側断面図である。図15は図3のB-B線に沿う断面側から見た図に相当する。図16は図3のA-A線に沿う断面側から見た図に相当する。本実施形態が第1の実施形態と異なるところは、受光部6の第1方向17では受光部6と裏蓋の一部が重なっている点にある。尚、第1の実施形態と同じ点については説明を省略する。
次に、生体情報測定装置の一実施形態について図17及び図18を用いて説明する。図17は生体情報測定装置の装着状態を説明するための模式図である。図18は、生体情報測定装置の構成を示す概略斜視図である。本実施形態が第1の実施形態と異なるところは、生体情報測定装置が表示部を備えている点にある。尚、第1の実施形態と同じ点については説明を省略する。
(変形例1)
前記第1の実施形態では、遮光部15は通過部4を向く側が突出していた。通過部4の遮光部15を向く側の内面部4bが平面のときには、遮光部15は通過部4を向く側が平面でもよい。通過部4の遮光部15を向く側の内面部4bが突出するときには、遮光部15は通過部4を向く側が凹んでもよい。遮光部15の形状は通過部4の形状に対応する形状にしても良い。
前記第1の実施形態では、生体情報測定装置1が人体の腕12に装着された。生体情報測定装置1は腕12以外に装着されても良い。例えば、生体情報測定装置85は指、上腕、胸等に装着されて生体情報を検出するものであってもよい。人体以外の動物に生体情報測定装置1が装着されても良い。また、生体情報測定装置1の検出対象となる生体情報も、脈波には限定されない。例えば、生体情報測定装置1は脈波以外の、血液中の酸素飽和度、体温、心拍、血圧等を検出する装置であってもよい。
Claims (3)
- 生体に照射される照射光を射出する発光部と、
前記照射光が前記生体で反射される反射光を受光する受光部と、
前記照射光及び前記反射光が通過する通過部と、
前記発光部から前記受光部に向かって進行する前記照射光を遮光する遮光部と、
前記通過部を支持する不透明な裏蓋と、を備え、
前記発光部から前記通過部に向かう第1方向からの平面視において、前記遮光部は前記発光部と前記受光部との間に配置されている金属板であり、
前記受光部のうち前記第1方向と交差する方向を向く側面において前記遮光部と対向していない前記側面は前記裏蓋と対向し、
前記第1方向からの平面視において、前記受光部の前記側面と前記裏蓋とが接触していることを特徴とする生体情報測定装置。 - 生体に照射される照射光を射出する発光部と、
前記照射光が前記生体で反射される反射光を受光する受光部と、
前記照射光及び前記反射光が通過する通過部と、
前記発光部から前記受光部に向かって進行する前記照射光を遮光する遮光部と、
前記通過部を支持する不透明な裏蓋と、を備え、
前記発光部から前記通過部に向かう第1方向からの平面視において、前記遮光部は前記発光部と前記受光部との間に配置されている金属板であり、
前記受光部のうち前記第1方向と交差する方向を向く側面において前記遮光部と対向していない前記側面は前記裏蓋と対向し、
前記第1方向からの平面視において、前記受光部の前記生体側では前記受光部と前記裏蓋の一部とが重なっていることを特徴とする生体情報測定装置。 - 生体に照射される照射光を射出する発光部と、
前記照射光が前記生体で反射される反射光を受光する受光部と、
前記照射光及び前記反射光が通過する通過部と、
前記発光部から前記受光部に向かって進行する前記照射光を遮光する遮光部と、
前記通過部を支持する不透明な裏蓋と、を備え、
前記発光部から前記通過部に向かう第1方向からの平面視において、前記遮光部は前記発光部と前記受光部との間に配置されている金属板であり、
前記受光部のうち前記第1方向と交差する方向を向く側面において前記遮光部と対向していない前記側面は前記裏蓋と対向し、
前記通過部は前記遮光部を向く内面が凹んでおり、
前記遮光部は前記通過部を向く側が前記内面に沿って突出していることを特徴とする生体情報測定装置。
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