JP5654042B2 - 患者の脊柱の特徴を測定するための方法および機器 - Google Patents
患者の脊柱の特徴を測定するための方法および機器 Download PDFInfo
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- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
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Description
本発明は、人の脊柱の厳密な表現を提供するための方法に関し、より詳細には、脊柱の個々の椎骨の相対位置および絶対位置の厳密な表現をその画像に基づいて提供するための方法に関する。本発明は、前記表現を得るための機器にさらに関する。
各種の病気は、患者の脊柱の変形に由来することがある。そのような病気のための予後を得るために、長年にわたり標準的慣行は患者の脊柱の画像を取得し、それらの画像を視覚的に検査し、その患者の病歴を検討することであった。典型的には、脊柱の変形は先天性症状から生じる可能性があり、または自動車事故、落下、喧嘩等の間に被った重篤な外傷に起因することがある。不都合なことに、これまでそうした画像から入手できる定量的情報(通常、患者が立った状態または座った状態のいくつかの異なる角度におけるX線写真から得られる)は実に少なく、そのため医師はかなり正確な予後予測のために自らの実体験に基づく証拠および長年の経験に頼らなければならなかった。
a)例えば画像の縮尺変更や角度に関する光学的歪みによる精度の欠如。
b)分節の不適切な定量化。
c)AMA第6版に明記された新たな標準により更新されていないこと。
d)装置の一部に含まれる多くの不要な機能が、それらの装置を使いづらくし、扱いにくくすること。
e)画像の縮尺および光学的な角度の歪み、ならびに不適切な幾何学的な点の指定による角度の不適切な定量化。
f)インペアメントレイティングの計算の無効な主張。
g)不法に販売されている装置は、販売がFDAによって許可されないが(DX Analyzer Professional)、現在販売されているものには多くの固有のソフトウェア上の欠陥がある。
(運動分節は2つの隣接する椎骨の間にある椎間板を含む、2つの隣接する椎骨およびそれらの椎骨を結合する靭帯からなる。)
1.第1の椎骨12を、頂点ABCDを有する長方形10として理想化する。
2.下にある第2の椎骨を、頂点A’B’C’D’を有する第2の長方形12’として理想化する。
3.以下でより詳細に論じるように、2つの長方形を分析して、ある所定のパラメータまたは脊柱の特徴を見つける。
A.正方形:
後頭およびC2を除く全ての椎骨
B.線
後頭
C.三角形
C2椎骨
a)椎骨の調査を結論づけ、
b)前に配置された点の正しい並び順を示し、
c)正しくない多角形を正しい長方形にグラフィカルに変更して、図形間の角変化を調査する
ために使用する。
1)脊柱の椎骨固有に配置される点の並び順、および
2)目に見える結果を得るために、上述した理由からコンピュータが生成する4番目の点を利用することであり、目に見える結果とは、治療計画を確立し、陽性/陰性のAOMSIを定量化および認定し、AMAのSixth Guidesによるインペアメントレイティングをさらに認定するための特定の診断所見である。
Claims (9)
- 患者に向かうX線ビームを放射するX線源と;
患者の脊柱に、既知の向きおよび大きさを有し、第1軸と第2軸を有するコンパスを具えるポジショナであって、当該第1軸が第2軸に直交しており、当該第2軸が前記X線源から放射されたX線に平行になるように構成されており、前記コンパスが、前記患者が当該コンパスの第1軸に沿って、及び当該コンパスの第2軸に直交するように位置するように、前記患者を前記X線源に対して位置決めするよう動作可能である、ポジショナと;
生のX線像を受け取るレシーバと、
画面上に前記生のX線像を提示する画面と、
前記生のX線像上の関心のある点を示す情報をユーザから受け取るユーザ入力部と、
前記生のX線像を、前記情報に基づいて椎骨の対応する理想的形状に変換し、前記理想的形状に基づいてレポートを生成するように構成されるプロセッサと、
を含むことを特徴とする椎骨のX線像を分析するための機器。 - 請求項1に記載の機器において、前記プロセッサが、前記生のX線像を多角形の形状を有する理想的形状の画像に変換することを特徴とする機器。
- 請求項2に記載の機器において、各椎骨の前記画像が、n個の頂点を有する理想的多角形に変換されることを特徴とする機器。
- 請求項3に記載の機器において、前記情報がn−1個の頂点の位置を定め、前記プロセッサが多角形ごとにn番目の頂点の位置を決定することを特徴とする機器。
- 請求項1に記載の機器において、前記プロセッサが、事前に選択された軸に対する前記生のX線像の角回転を示す歪みデータをさらに受け取り、前記歪みを補正するために前記生のX線像を回転させるようにさらに構成されることを特徴とする機器。
- 請求項1に記載の機器において、前記プロセッサが、前記椎骨の縮尺を示す縮尺データをさらに受け取り、前記椎骨の大きさに基づく情報を含む前記レポートを生成するようにさらに構成されることを特徴とする機器。
- 請求項1に記載の機器において、前記レシーバが、前記生のX線像内のポジショナの像を更に受け取り、前記ポジショナの像が前記ポジショナの実際の位置を示していることを特徴とする機器。
- 請求項7に記載の機器において、前記プロセッサが、前記ポジショナの像に基づいて歪み角を検出し、前記歪み角を使用して前記生のX線像を回転させることを特徴とする機器。
- 請求項8に記載の機器において、回転角が、それぞれの直交軸に沿って割り付けられる3つの成分を含むことを特徴とする機器。
Applications Claiming Priority (5)
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US29011509P | 2009-12-24 | 2009-12-24 | |
US61/290,115 | 2009-12-24 | ||
US12/881,411 US8571282B2 (en) | 2009-12-24 | 2010-09-14 | Method and apparatus for measuring spinal characteristics of a patient |
US12/881,411 | 2010-09-14 | ||
PCT/US2010/057794 WO2011078933A1 (en) | 2009-12-24 | 2010-11-23 | Method and apparatus for measuring spinal characteristics of a patient |
Publications (3)
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JP2013515564A JP2013515564A (ja) | 2013-05-09 |
JP2013515564A5 JP2013515564A5 (ja) | 2013-11-07 |
JP5654042B2 true JP5654042B2 (ja) | 2015-01-14 |
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JP2012545976A Expired - Fee Related JP5654042B2 (ja) | 2009-12-24 | 2010-11-23 | 患者の脊柱の特徴を測定するための方法および機器 |
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US (1) | US8571282B2 (ja) |
EP (1) | EP2515781B1 (ja) |
JP (1) | JP5654042B2 (ja) |
KR (1) | KR101613337B1 (ja) |
CN (1) | CN102652004B (ja) |
AU (1) | AU2010333928B2 (ja) |
CA (1) | CA2782743C (ja) |
IL (1) | IL219894A (ja) |
WO (1) | WO2011078933A1 (ja) |
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KR101748180B1 (ko) * | 2010-12-31 | 2017-06-16 | 주식회사 케이티 | 영상으로부터 피사체의 크기를 측정하기 위한 방법 및 장치 |
US8848868B2 (en) * | 2011-08-24 | 2014-09-30 | Albert Davydov | X-ray system and method of using thereof |
US8965083B2 (en) * | 2012-06-28 | 2015-02-24 | General Electric Company | Automatic detection of vertebrae boundaries in spine images |
US9317926B2 (en) | 2013-03-06 | 2016-04-19 | Siemens Aktiengesellschaft | Automatic spinal canal segmentation using cascaded random walks |
US9064307B2 (en) | 2013-06-28 | 2015-06-23 | General Electric Company | Methods and apparatus to generate three-dimensional spinal renderings |
US10524723B2 (en) | 2014-07-23 | 2020-01-07 | Alphatec Spine, Inc. | Method for measuring the displacements of a vertebral column |
EP3478211A4 (en) * | 2016-07-04 | 2020-02-19 | 7D Surgical Inc. | SYSTEMS AND METHODS FOR DETERMINING THE INTRAOPERATIVE SPINE ORIENTATION |
CN112349392B (zh) * | 2020-11-25 | 2021-08-03 | 北京大学第三医院(北京大学第三临床医学院) | 一种人体颈椎医学图像处理系统 |
CN112641452B (zh) * | 2020-12-09 | 2022-08-23 | 佛山市第一人民医院(中山大学附属佛山医院) | 一种颈椎治疗仪系统和控制方法,及其可读存储介质 |
US12011227B2 (en) | 2022-05-03 | 2024-06-18 | Proprio, Inc. | Methods and systems for determining alignment parameters of a surgical target, such as a spine |
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JP2001095858A (ja) | 1999-03-25 | 2001-04-10 | Matsushita Seiko Co Ltd | 身体を動作させる装置 |
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CA2782743A1 (en) | 2011-06-30 |
US8571282B2 (en) | 2013-10-29 |
EP2515781A4 (en) | 2013-07-10 |
CN102652004A (zh) | 2012-08-29 |
CN102652004B (zh) | 2015-07-15 |
EP2515781B1 (en) | 2016-11-23 |
EP2515781A1 (en) | 2012-10-31 |
AU2010333928A1 (en) | 2012-06-07 |
IL219894A0 (en) | 2012-07-31 |
AU2010333928B2 (en) | 2013-09-26 |
WO2011078933A1 (en) | 2011-06-30 |
KR101613337B1 (ko) | 2016-04-18 |
KR20120123370A (ko) | 2012-11-08 |
JP2013515564A (ja) | 2013-05-09 |
IL219894A (en) | 2014-12-31 |
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