TWI446896B - 肌能參數感測器 - Google Patents

肌能參數感測器 Download PDF

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Publication number
TWI446896B
TWI446896B TW100148218A TW100148218A TWI446896B TW I446896 B TWI446896 B TW I446896B TW 100148218 A TW100148218 A TW 100148218A TW 100148218 A TW100148218 A TW 100148218A TW I446896 B TWI446896 B TW I446896B
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substrate
energy parameter
parameter sensor
sensing
muscle energy
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TW100148218A
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TW201325552A (zh
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Cheng Hung Chang
Kuan Jen Fang
Chun Hsiang Huang
Chueh Shan Liu
Yii Tay Chiou
Yung Ching Huang
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Ind Tech Res Inst
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Priority to US13/448,297 priority patent/US20130165813A1/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
    • A61B5/296—Bioelectric electrodes therefor specially adapted for particular uses for electromyography [EMG]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A61B5/1107—Measuring contraction of parts of the body, e.g. organ, muscle
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/45—For evaluating or diagnosing the musculoskeletal system or teeth
    • A61B5/4519—Muscles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0219—Inertial sensors, e.g. accelerometers, gyroscopes, tilt switches

Description

肌能參數感測器
本揭露係有關於一種肌能參數感測器，特別係有關於一種可同步量測肌電圖和肌動圖訊號之肌能參數感測器。
請參閱第1圖，當欲同步量測與人體肌肉相關之肌電圖(Electromyography,EMG)和肌動圖(Mechanomyography,MMG)訊號時，通常必須設置兩個不同的感測器E、M，藉以分別獲取前述兩種不同型態之生理訊號(biological signal)。一般而言，在感測器E的表面設有電極，使用時可將電極黏貼附於皮膚表面以獲得與肌電圖(EMG)相關之生理訊號，此外在另一個感測器M中則可設置慣性感測器或震動與壓力感測器，藉此能監控肌肉或骨骼的運動情形，並可獲得與肌動圖(MMG)相關之生理訊號。
有鑒於前述感測器E、M必須分開設置，因此如何提供一種可同時感測肌電圖與肌動圖訊號的微型肌能參數感測器始成為一重要之課題。
本揭露之一實施例提供一種肌能參數感測器，用以同步感測一人體之肌電圖和肌動圖訊號，其主要包括一基板、一慣性感測元件、一電路元件、複數個電性連接件以及一感測環。前述慣性感測元件設置於基板之一開孔內，前述電路元件設置於基板上，前述電性連接件具有可撓性，用以連接慣性感測元件以及基板，其中慣性感測元件以及電路元件係藉由電性連接件而相互電性導通。前述感測環設置於基板上並且環繞開孔，其中電路元件與感測環分別位於基板之相反側。
為使本揭露之上述目的、特徵能更明顯易懂，下文特舉較佳實施例並配合所附圖式做詳細說明。
請一併參閱第2A、2B圖，本揭露一實施例之肌能參數感測器可用以同步量測一人體之電生理訊號與慣性訊號，例如肌電圖(EMG)與肌動圖(MMG)訊號，其主要包括一圓形之基板10、一矩形之慣性感測元件20、複數個條狀之電性連接件30以及至少一電路元件40。如第2A、2B圖所示，前述基板10例如為一軟性電路板(Flexible Printed Circuit,FPC)，在基板10的中央則形成有例如一矩形或其他形狀之開孔21，可用以容置前述慣性感測元件20；此外，四個S型、直線型或其他彎曲形態之電性連接件30係分別由慣性感測元件20的四個側邊朝外側延伸至基板10內緣，其中慣性感測元件20可透過電性連接件30而與設置在基板10上方表面的電路元件40相互電性導通。
需特別說明的是，本實施例中的電性連接件30係具有可撓性，藉此可在基板10和慣性感測元件20之間形成一懸浮結構，當基板10受到外力擠壓變形時，可避免慣性感測元件20受到基板10的形變影響而造成干擾，進而能確保感測時的靈敏度。舉例而言，前述電性連接件30可含有聚醯亞胺(Polyimide,PI)材質，並可和基板10以一體成型的方式製作成一軟性電路板(FPC)，藉此能大幅簡化機構的複雜度，並可節省材料與組裝成本。
請繼續參閱第2A、2B圖，前述基板10的下方表面設有兩個感測環11、12，在兩個感測環11、12之間則形成有一環狀之溝槽13。應了解的是，位在基板10下方表面的感測環11、12內部設有電容式感應電極，本揭露之肌能參數感測器主要係透過感測環11、12來擷取人體的肌電圖訊號；此外，本揭露之肌能參數感測器也能藉由位在基板10中央位置的慣性感測元件20同步量測人體的肌動圖訊號，前述慣性感測元件20例如可包含一慣性元件(例如加速度計陀螺儀)或一震動元件(壓力計、麥克風等)，用以量測該人體之肌動圖訊號。由於慣性感測元件20和感測環11、12係分別位於基板10的中央位置及下方表面，使用時不需分開設置且能達到微型化之目的，藉此可有利於進行人體肌肉局部區域的小範圍訊號量測，同時能避免訊號失真以提高量測時的解析度。
接著請一併參閱第3、4圖，由於本實施例中之慣性感測元件20的厚度係大於感測環11的厚度，因此在肌能參數感測器未使用前，位於基板10中央的慣性感測元件20會略低於外側之感測環11(如第3圖所示)。當欲同步量測人體的肌電圖和肌動圖訊號時，可將位在肌能參數感測器下方的慣性感測元件20和感測環11一起貼附於人體表面S(如第4圖所示)，此時慣性感測元件20和電性連接件30會受到人體表面S的擠壓而稍微朝上方隆起；應了解的是，因為電性連接件30本身具有可撓性，因此能使慣性感測元件20和基板10上方的電路元件40保持電性導通，且由於慣性感測元件20在使用過程中可相對於基板10上、下浮動，因此不會受到基板10和感測環11的形變影響而受到干擾，故可大幅提升感測時的解析度與靈敏度。
再請參閱第5圖，於另一實施例之肌能參數感測器中，亦可在感測環11以及慣性感測元件20底側設置一保護層50。舉例而言，前述保護層50可以矽膠或聚醯亞胺材質製作並具有可撓性，其主要係用以覆蓋並保護感測環11以及慣性感測元件20，同時能提高感測器的整體結構強度，以避免電性連接件30在使用過程中受到撞擊拉扯而斷裂。
需特別說明的是，本揭露除了可將軟性之保護層50設置在感測環11以及慣性感測元件20的底側外，前述保護層50也可根據設計需求而將其設置在感測環11以及慣性感測元件20的上側，或者可利用保護層50包覆整個肌能參數感測器(包含底側、上側與周圍)以形成一封裝結構，藉此能更有效地保護肌能參數感測器的內部元件。
綜上所述，本揭露提供一種可同步量測電生理訊號與慣性訊號(例如肌電圖與肌動圖訊號或心電圖與呼吸訊號)之肌能參數感測器，其主要包括一基板、一慣性感測元件、一電路元件、複數個電性連接件以及一感測環。前述慣性感測元件設置於基板之一開孔內，電路元件設置於基板上，電性連接件則具有可撓性，用以連接慣性感測元件以及基板；前述慣性感測元件以及電路元件係藉由電性連接件而相互電性導通，其中感測環設置於基板上並且環繞開孔，且電路元件與感測環分別位於基板之相反側。應了解的是，本揭露藉由將慣性感測元件和感測環分別位於基板的中央位置及下方表面，使用時不需分開設置且能達到微型化之目的，藉此可有利於進行人體肌肉局部區域的小範圍訊號量測，同時能避免訊號失真以提高量測時的解析度。此外，本揭露藉由設置具有可撓性之電性連接件，可在基板和慣性感測元件之間形成一懸浮結構，當基板受到外力擠壓變形時，能避免慣性感測元件受到基板的形變影響而造成干擾，進而可確保感測時的靈敏度。
雖然本揭露以前述之實施例揭露如上，然其並非用以限定本發明。本發明所屬技術領域中具有通常知識者，在不脫離本揭露之精神和範圍內，當可做些許之更動與潤飾。因此本發明之保護範圍當視後附之申請專利範圍所界定者為準。
10．．．基板
11、12．．．感測環
13．．．溝槽
20．．．慣性感測元件
21．．．開孔
30．．．電性連接件
40．．．電路元件
50．．．保護層
E、M．．．感測器
第1圖表示習知利用兩種不同感測器以分別量測肌電圖和肌動圖訊號之示意圖；
第2A圖表示本揭露一實施例之肌能參數感測器之底側視圖；
第2B圖表示沿第2A圖中A1-A1方向之剖視圖；
第3圖表示沿第2A圖中A2-A2方向之剖視圖；
第4圖表示本揭露一實施例之肌能參數感測器貼附於人體表面之示意圖；以及
第5圖表示在肌能參數感測器的感測環和慣性感測元件底側設置保護層之示意圖。
10．．．基板
11、12．．．感測環
13．．．溝槽
20．．．慣性感測元件
21．．．開孔
30．．．電性連接件

Claims (10)

  1. 一種肌能參數感測器，用以同步感測一人體之肌電圖和肌動圖訊號，包括：一基板，具有一開孔；一慣性感測元件，設置於該開孔內；一電路元件，設置於該基板上；複數個電性連接件，連接該慣性感測元件以及該基板，其中該些電性連接件具有可撓性，且該慣性感測元件以及該電路元件藉由該電性連接件而相互電性導通；以及一感測環，設置於該基板上並且環繞該開孔，其中該電路元件與該感測環分別位於該基板之相反側。
  2. 如申請專利範圍第1項所述之肌能參數感測器，其中該基板為一軟性電路板，且該些電性連接件與該基板一體成型。
  3. 如申請專利範圍第1項所述之肌能參數感測器，其中該慣性感測元件包括一慣性元件或一震動元件，用以量測該人體之肌動圖訊號。
  4. 如申請專利範圍第1項所述之肌能參數感測器，其中該感測環包括一電容式感應電極，用以量測該人體之肌電圖訊號。
  5. 如申請專利範圍第1項所述之肌能參數感測器，其中該慣性感測元件具有一矩形結構，且該些電性連接件分別由該慣性感測元件的四個側邊延伸至該基板。
  6. 如申請專利範圍第1項所述之肌能參數感測器，其中該電性連接件含有聚醯亞胺材質。
  7. 如申請專利範圍第1項所述之肌能參數感測器，其中該些電性連接件具有S型結構。
  8. 如申請專利範圍第1項所述之肌能參數感測器，其中該肌能參數感測器更包括兩個感測環，且該些感測環之間形成有一溝槽。
  9. 如申請專利範圍第1項所述之肌能參數感測器，其中該肌能參數感測器更包括一具有可撓性之保護層，且該保護層覆蓋該感測環以及該慣性感測元件。
  10. 如申請專利範圍第9項所述之肌能參數感測器，其中該保護層含有矽膠或聚醯亞胺。
TW100148218A 2011-12-23 2011-12-23 肌能參數感測器 TWI446896B (zh)

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TW100148218A TWI446896B (zh) 2011-12-23 2011-12-23 肌能參數感測器
US13/448,297 US20130165813A1 (en) 2011-12-23 2012-04-16 Sensor for acquiring muscle parameters

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