JP2016510235A - 被験体の耳内の物体を同定する方法 - Google Patents
被験体の耳内の物体を同定する方法 Download PDFInfo
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- JP2016510235A JP2016510235A JP2015555616A JP2015555616A JP2016510235A JP 2016510235 A JP2016510235 A JP 2016510235A JP 2015555616 A JP2015555616 A JP 2015555616A JP 2015555616 A JP2015555616 A JP 2015555616A JP 2016510235 A JP2016510235 A JP 2016510235A
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- ear canal
- imaging unit
- eardrum
- electronic imaging
- head portion
- Prior art date
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Abstract
Description
− 前記被験体の外耳の耳道に光学電子撮像ユニット及び少なくとも1つの光源を導入する工程であって、前記電子撮像ユニットが、遠位方向、特に前記被験体の耳の鼓膜の方を向いている少なくとも1本の光軸を示す工程と、
− 前記電子撮像ユニットを用いて、前記少なくとも1本の光軸上に配置され且つ前記耳道内に偏心的に配置される少なくとも1つの偏心観察点から、少なくとも1枚の画像を捕捉する工程と、
− 前記物体、特に前記鼓膜を自動的に同定するために、輝度及び色情報の少なくともいずれかを決定して、少なくとも1枚の画像に示されている前記鼓膜を電子手段によって同定する工程と
を含み、更に、捕捉された前記鼓膜の少なくとも1枚の画像に基づいて前記鼓膜を医学的に特徴付ける工程を含み、捕捉された前記鼓膜の少なくとも1枚の画像に基づいてユーザの誘導が行われ、前記鼓膜の画像、特に前記鼓膜の特定の領域の画像を捕捉するために、前記電子撮像ユニットを配置する方法をユーザに通知する方法によって達成される。かかる方法は、予診を容易にするために、鼓膜の医学的データを取得するために非医師が耳鏡を適用できるようにすることができる。耳鏡(その遠位端)が鼓膜の対象領域に対して好ましい観察点に配置されるように、非医師を誘導することができる。任意のより高度な又は最終的な疾患診断は、医師又は医師による更なる検査によって認められる被験体が示す他の症状に基づいて、医師が行わなければならない。
Claims (23)
- 被験体の耳内の物体を同定する方法であって、
− 前記被験体の外耳の耳道に光学電子撮像ユニット(40)及び少なくとも1つの光源を導入する工程であって、前記電子撮像ユニット(40)が、遠位方向、特に前記被験体の耳の鼓膜の方を向いている少なくとも1本の光軸(X;X1、X2)を示す工程と、
− 前記電子撮像ユニット(40)を用いて、少なくとも1本の光軸(X;X1、X2)上に配置され且つ前記耳道内に偏心的に配置される少なくとも1つの偏心観察点から少なくとも1枚の画像を捕捉する工程と、
− 前記物体、特に前記鼓膜を自動的に同定するために、輝度又は色情報を決定して、前記少なくとも1枚の画像に示されている前記物体を電子手段(44)によって同定する工程と
を含むことを特徴とする方法。 - 少なくとも1枚の画像の捕捉中、耳道内に偏心的に配置される偏心照明点から耳道を照らす請求項1に記載の方法。
- − 電子撮像ユニット(40)を用いて、耳道内の様々な位置、特に様々な偏心観察点から少なくとも2枚の画像を捕捉するか、耳道内の様々な位置、特に偏心照明点から照らしながら少なくとも2枚の画像を捕捉するか、又は耳道内の様々な位置、特に偏心照明点から照らしながら、耳道内の様々な位置、特に様々な偏心観察点から少なくとも2枚の画像を捕捉する工程と、
− 捕捉した前記少なくとも2枚の画像を互いに比較して、前記画像に示されている物体を同定する工程と
を更に含む請求項1から2のいずれかに記載の方法。 - 様々な位置が、捕捉した画像を立体視できるように規定又は調整され、前記様々な位置が、画像を捕捉するための位置間の距離、特に少なくとも2つの偏心観察点(EOP)間の距離については、少なくとも2mm若しくは3mm、好ましくは少なくとも3.5mm、より好ましくは少なくとも3.7mm、特に3.7mm〜4.4mm、又は照らすための位置間の距離、特に少なくとも2つの偏心照明点(EIP)間の距離については、特に3.7mm〜4.6mmの距離(d)、互いから離間している請求項3に記載の方法。
- 特に少なくとも2つの偏心観察点から、特定の時間枠内に少なくとも2枚の画像を捕捉する請求項3から4のいずれかに記載の方法。
- 少なくとも2枚の画像の捕捉中、照明のスイッチが、順次入り切りされ、少なくとも1つの光源が、LEDによって提供されることが好ましく、前記照明が、電子撮像ユニット(40)のシャッターと同期される請求項3から5のいずれかに記載の方法。
- − 耳道内の様々な位置から捕捉した少なくとも2枚の画像における様々な物体(例えば、鼓膜及びアーチファクト)の位置を比較することによって、又は耳道内の様々な位置から照らしながら捕捉した少なくとも2枚の画像における前記様々な物体の外観を比較することによって、前記様々な物体を識別する工程を更に含む請求項3から6のいずれかに記載の方法。
- 電子撮像ユニット(40)の少なくとも1本の光軸(X;X1、X2)及び少なくとも1つの光源の少なくともいずれかが、第1の画像の捕捉の瞬間と第2の画像の捕捉の瞬間との間に所定の経路に沿って、所定の距離、又は所定の経路に沿って所定の距離、被験体の外耳の耳道内で変位する請求項1から7のいずれかに記載の方法。
- 耳鏡(10)を用いて実施され、前記耳鏡(10)が、
− 前記耳鏡(10)の適用中に、ユーザが前記耳鏡を操作できるようにするハンドル部分(12)と、
− ヘッド部分(14)の長手方向軸(A)に沿って延在している実質的に先細の形態を有するヘッド部分(14)であって、前記ハンドル部分(12)に隣接している近位端(16)及び被験体の外耳の耳道に導入されるようになっている、より小さな遠位端(18)を有するヘッド部分(14)と
を含み、
前記耳鏡(10)が、前記ヘッド部分(14)の前記遠位端(18)、特に、前記ヘッド部分(14)の遠位先端(35)に配置される電子撮像ユニット(40)を更に含み、少なくとも1本の光軸(X;X1、X2)が、前記長手方向軸(A)から径方向にオフセットして配置され、径方向オフセット(r1)が、前記遠位端(18)の径方向寸法の好ましくは少なくとも0.25倍、より好ましくは少なくとも0.3倍、更に好ましくは少なくとも0.35倍である請求項1から8のいずれかに記載の方法。 - それぞれが電子撮像ユニット(40)の光軸を画定する前記電子撮像ユニット(40)の少なくとも2つのカメラ(40.1)及び前記電子撮像ユニット(40)の少なくとも2本の光軸(X1、X2)を画定するビームスプリッタ光学素子(40.2)の少なくともいずれかを用いて少なくとも2枚の画像が捕捉され、前記ビームスプリッタ光学素子(40.2)が、単一の画像センサ(43)と併用されることが好ましい請求項9に記載の方法。
- 特にヘッド部分(14)の遠位先端の直径に対して最大の径方向オフセットを有するピッチ円上において、電子撮像ユニット(40)又は少なくとも1本の光軸(X;X1、X2)及び少なくとも1つの光源の少なくともいずれかが回転し、前記回転が、運動機構(24)のモータ、特にブラシレスモータによって行われる請求項10に記載の方法。
- 物体の同定が、回転中に又は少なくとも2つの異なる偏心観察点から耳道内の物体までの距離を決定することを含む請求項11に記載の方法。
- 電子撮像ユニット(40)又は少なくとも1本の光軸(X;X1、X2)が回転するときに、前記電子撮像ユニット(40)又は前記少なくとも1本の光軸(X;X1、X2)に対して所定の距離が維持されるように、少なくとも1つの光源を回転させる請求項11から12のいずれかに記載の方法。
- 電子撮像ユニット(40)又は少なくとも1本の光軸(X;X1、X2)及び少なくとも1つの光源の少なくともいずれかが、前記電子撮像ユニット(40)の回転軸(R)又は長手方向軸(A)上の所定の点に継続的に向くように、前記回転軸(R)に対して又は前記長手方向軸(A)に対して傾斜しており、前記所定の点が、前記電子撮像ユニット(40)に対して一定の距離を有する請求項9から13のいずれかに記載の方法。
- 特に、軸方向に運動するように配置されているプローブカバー移動機構(65)によって、電子撮像ユニット(40)又は少なくとも1本の光軸(X;X1、X2)に対して、ヘッド部分(14)に被せられているプローブカバー(60)の少なくとも一部を相対的に移動させる工程を更に含む請求項9から14のいずれかに記載の方法。
- 特に電子撮像ユニット(40)又は少なくとも1本の光軸(X;X1、X2)及び少なくとも1つの光源の少なくともいずれかの任意の変位前に、かかる変位に依存してプローブカバー(60)の変位が行われる請求項15に記載の方法。
- 特に電子撮像ユニット(40)を導入する工程中に、捕捉した少なくとも1枚の画像に基づいて、電子撮像ユニット(40)又は少なくとも1本の光軸(X;X1、X2)の適切な配置を検証する工程を更に含み、その結果、ユーザを誘導することができる請求項1から16のいずれかに記載の方法であって、前記方法を行うために用いられる耳鏡のハンドル部分の挿入深さを示す指示、前記ハンドル部分の回転方向を示す指示、及び特に耳道の長手方向軸に対する前記ハンドル部分の傾斜角を示す指示の少なくともいずれかが前記ユーザに通知される方法。
- 少なくとも1枚の画像の捕捉が、鼓膜まで少なくとも10mm、好ましくは少なくとも15mmの距離に配置される遠位端(18)、特に遠位先端(35)を用いて行われる請求項9から17のいずれかに記載の方法。
- 少なくとも1つの光学電子撮像ユニット(40)の導入中に、ヘッド部分(14)にかかる力、特に長手方向軸(A)の方向にかかる力を検出する請求項9から18のいずれかに記載の方法。
- ユーザの誘導が、検出された力の特定の値に基づいて行われ、ヘッド部分(14)に配置されているプローブカバーを移動させるために運動機構及び移動機構(65)の少なくともいずれかに接続されていることが好ましい力検出手段(80)によって前記力が検出される請求項19に記載の方法。
- 物体の同定が、幾何学的パターン、特に円形状若しくは楕円形状、又は槌骨を特徴付ける幾何学的パターンのパターン認識を含み、前記パターン認識が、物体の角度又は角度範囲、特に、耳道の内側面又は耳道の長手方向軸に対する角度の決定に基づくことが好ましい請求項1から20のいずれかに記載の方法。
- 物体の同定が、鼓膜の同定を含む請求項1から21のいずれかに記載の方法であって、前記方法が、前記鼓膜を捕捉した少なくとも1枚の画像に基づいて前記鼓膜を医学的に特徴付ける工程であって、前記鼓膜の反射の分光組成を決定すること、被験体の鼓室内の物体を同定すること、前記鼓膜の湾曲、特に凸性を決定すること、及び前記鼓膜を加圧し、前記鼓膜の可動性を検出することの少なくともいずれかを含む工程を更に含む方法。
- 被験体の耳内の鼓膜を同定する方法であって、
− 前記被験体の外耳の耳道に光学電子撮像ユニット(40)及び少なくとも1つの光源を導入する工程であって、前記電子撮像ユニット(40)が、遠位方向、特に前記被験体の耳の鼓膜の方を向いている少なくとも1本の光軸(X;X1、X2)を示す工程と、
− 前記電子撮像ユニット(40)を用いて、少なくとも1本の光軸(X;X1、X2)上に配置され且つ前記耳道内に偏心的に配置される少なくとも1つの偏心観察点から少なくとも1枚の画像を捕捉する工程と、
− 前記物体、特に前記鼓膜を自動的に同定するために、輝度又は色情報を決定して、前記少なくとも1枚の画像に示されている前記鼓膜を電子手段(44)によって同定する工程と
を含み、更に、
捕捉された前記鼓膜の少なくとも1枚の画像に基づいて前記鼓膜を医学的に特徴付ける工程を含み、捕捉された前記鼓膜の少なくとも1枚の画像に基づいてユーザの誘導が行われ、前記鼓膜の画像、特に前記鼓膜の特定の領域の画像を捕捉するために、前記電子撮像ユニット(40)を所定の位置に配置する方法をユーザに通知することを特徴とする方法。
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EP2950696A2 (en) | 2015-12-09 |
WO2014117954A8 (en) | 2014-10-09 |
MX366017B (es) | 2019-06-24 |
WO2014117954A2 (en) | 2014-08-07 |
CN105324063B (zh) | 2018-03-02 |
CA2897712A1 (en) | 2014-08-07 |
KR20160005676A (ko) | 2016-01-15 |
CN105324063B9 (zh) | 2018-04-20 |
JP6489652B2 (ja) | 2019-03-27 |
SG11201505451YA (en) | 2015-08-28 |
US20150351606A1 (en) | 2015-12-10 |
CN105324063A (zh) | 2016-02-10 |
HK1219854A1 (zh) | 2017-04-21 |
AU2014211762A1 (en) | 2015-07-30 |
EP2950696B1 (en) | 2020-04-29 |
MX2015009997A (es) | 2016-03-04 |
WO2014117954A3 (en) | 2014-11-27 |
US9931021B2 (en) | 2018-04-03 |
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