JP4578976B2 - 走査プローブ - Google Patents
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- JP4578976B2 JP4578976B2 JP2004544851A JP2004544851A JP4578976B2 JP 4578976 B2 JP4578976 B2 JP 4578976B2 JP 2004544851 A JP2004544851 A JP 2004544851A JP 2004544851 A JP2004544851 A JP 2004544851A JP 4578976 B2 JP4578976 B2 JP 4578976B2
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- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
- A61B8/4461—Features of the scanning mechanism, e.g. for moving the transducer within the housing of the probe
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- A—HUMAN NECESSITIES
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- A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
- A61B8/467—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient characterised by special input means
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Description
1A ハンドル
1B 先端部(チップ)
2 回転(横方向)モーター
3 キャリッジ組立体
5 リニア軸線(縦方向)モーター
6 垂直かさ歯車
7 水平かさ歯車
8、9 プーリー
10 ベルト
11 超音波変換器
12 一体ベルトピン
13 中空軸
14 軸
15 変換器スライド
16A、16B スライダロッド
Claims (14)
- バイプレーン型の超音波プローブ装置であって、
第1部分(301A)と軸線を持つ先端部(301B)とを有するハウジングを含み、先端部(301B)は、ほ乳類の体の体腔内に受け入れられるように構成され、前記ハウジング(301A、301B)は、超音波変換器(11)の直線運動及び回転運動の両方を行わせるための組立体を収容し、超音波変換器(11)は、縦方向走査面及び横方向走査面それぞれの走査のために前記組立体に配置され、
前記組立体は、走査サブ組立体(3)と、走査サブ組立体(3)に連動的に連結される駆動サブ組立体とを含み、駆動サブ組立体は、内側駆動軸(14、314)と、内側駆動軸(14、314)の周りに取り付けられる外側駆動軸(13、313)とを含み、
走査サブ組立体(3)は前記先端部(301B)内に配置され、前記外側駆動軸に対する内側駆動軸の回転運動に応答して、先端部(301B)の軸線にほぼ平行な軸線に沿う直線往復態様にてスライド部材(15)を移動させる動力伝達機構を含み、走査サブ組立体(3)は、前記外側駆動軸の回転運動に応答して、先端部(301B)の軸線に平行な軸線の周りに回転可能であり、
前記走査サブ組立体は、先端部(301B)の軸線にほぼ平行に延びる少なくとも一つのトラック(16)を含み、スライド部材(15)は、前記少なくとも一つのトラック(16)に取り付けられ、かつ、スライド部材(15)の案内された直線運動のために該少なくとも一つのトラック(16)に沿って移動可能であり、走査サブ組立体(3)の前記動力伝達機構は、二つのプーリー(8、9)と、前記少なくとも一つのトラック(16)からオフセットされた面において、プーリー(8、9)の周りに回転するベルト(10)と、ベルト(10)の回転が先端部(301B)の軸線にほぼ平行な軸線に沿うスライド部材(15)の往復直線運動を引き起こすようにベルト(10)をスライド部材(15)に連結する連結部材(12)とを含む超音波プローブ装置。 - 前記超音波変換器(11)はスライド部材(15)に取り付けられる請求項1の超音波プローブ装置。
- 前記駆動サブ組立体は、単一のモーター(311)と、電気的に制御されるクラッチ(316)と、電気的に制御されるブレーキ(318)と、制御処理ユニット(320)とを含み、
モーター(311)は、該モーターに供給される電気制御信号に応答してアクティブ状態で動作可能であり、該アクティブ状態において、該モーターは内側駆動軸(314)を回転駆動し、
クラッチ(316)は、該クラッチに供給される電気制御入力信号に応答してクラッチ係合状態及びクラッチ非係合状態で動作可能であり、該クラッチ係合状態において、内側駆動軸(314)は、外側駆動軸(313)を回転するように外側駆動軸(313)に連結され、クラッチ非係合状態において、内側駆動軸(314)は、外側駆動軸(313)を回転しないように外側駆動軸(313)から分離され、
ブレーキ(318)は、該ブレーキに供給される電気制御入力信号に応答してブレーキ係合状態及びブレーキ非係合状態で動作可能であり、ブレーキ係合状態において、外側駆動軸(313)はハウジング内の固定回転位置に固定され、ブレーキ非係合状態において、外側駆動軸(313)はハウジング内で回転可能であり、
制御処理ユニット(320)は、前記モーター、クラッチ及びブレーキに電気的に接続され、第1動作モード及び第2動作モードで動作可能であり、
第1動作モードにおいて、固定位置に固定された外側駆動軸(313)に対する内側駆動軸(314)の回転運動を行わせるために、モーターは前記アクティブ状態で動作し、クラッチは前記クラッチ非係合状態で動作し、ブレーキはブレーキ係合状態で動作し、これにより、外側駆動軸(313)に対する内側駆動軸(314)の回転運動が、走査サブ組立体の動力伝達機構を駆動し、前記超音波変換器による縦方向走査面の走査のため、先端部(301B)の軸線にほぼ平行な軸線に沿う直線往復態様でのスライド部材の運動を作り出し、
第2動作モードにおいて、内側駆動軸(314)に回転可能に連結された外側駆動軸(313)の回転運動を行わせるため、モーターは前記アクティブ状態で動作し、クラッチは前記クラッチ係合状態で動作し、ブレーキは前記ブレーキ非係合状態で動作し、これにより、外側駆動軸(313)の回転運動が、超音波変換器による横方向走査面の走査のため、先端部(301B)の軸線に平行な軸線の周りの前記走査サブ組立体の回転を作り出す請求項1の超音波プローブ装置。 - 前記駆動サブ組立体は、内側駆動軸(14)を駆動するための第1モーター(5)と、外側駆動軸(13)を駆動するための第2モーター(2)とを含む請求項1の超音波プローブ装置。
- 前記駆動サブ組立体は、第1エンコーダー(322)及び第2エンコーダー(324)を更に備え、第1エンコーダー(322)は、内側駆動軸(314、14)の回転位置を決定して該回転位置を表す電気出力信号を発生させ、第2エンコーダー(324)は、外側駆動軸(313、13)の回転位置を決定して該回転位置を表す電気出力信号を発生させる請求項1の超音波プローブ装置。
- 前記連結部材(12)は、前記スライド部材(15)によって規定されるスロット内に位置付けられる請求項1の超音波プローブ装置。
- 前記走査走査サブ組立体(3)の動力伝達機構は、内側駆動軸(314、14)の回転をベルト(10)の回転に変換する歯車を含む請求項1の超音波プローブ装置。
- 前記歯車は、第1かさ歯車(6)と、第1かさ歯車(6)に噛み合う第2かさ歯車(7)とを含み、前記第1かさ歯車(6)は、内側駆動軸(314、14)によって駆動され、前記第2かさ歯車(7)はベルトプーリーを駆動する請求項7の超音波プローブ装置。
- 前記ハウジングの第1部分(301A)は、前記超音波変換器に供給するためのパルス信号を発生させるパルス供給回路と、超音波変換器によって検出される後方散乱信号を受信するための受信回路と、該受信した後方錯乱信号から生じる信号をデジタル化するためのデジタイザー回路とを収容する請求項1の超音波プローブ装置。
- 前記ハウジングの第1部分(301A)は、双方向通信リンクを通じて外部処理システムとインターフェースするデータインターフェースを収容し、前記双方向通信リンクは、前記外部処理システムによって送信される命令、並びに、前記デジタイザー回路が発生させ、前記データインターフェースが送信するデータを送る請求項1の超音波プローブ装置。
- 前記ハウジングの先端部(301B)は、ほ乳類の体の直腸内に受け入れられるように構成される請求項1の超音波プローブ装置。
- バイプレーン型の超音波プローブ装置であって、
第1部分(301A)と軸線を持つ先端部(301B)とを有するハウジングを含み、先端部(301B)は、ほ乳類の体の体腔内に受け入れられるように構成され、前記ハウジング(301A、301B)は、超音波変換器(11)の直線運動及び回転運動の両方を行わせるための組立体を収容し、超音波変換器(11)は、縦方向走査面及び横方向走査面それぞれの走査のために前記組立体に配置され、
前記組立体は、走査サブ組立体(3)と、走査サブ組立体(3)に連動的に連結される駆動サブ組立体とを含み、駆動サブ組立体は、内側駆動軸(314)と、内側駆動軸(314)の周りに取り付けられる外側駆動軸(313)とを含み、
走査サブ組立体(3)は前記先端部(301B)内に配置され、前記外側駆動軸に対する内側駆動軸の回転運動に応答して、先端部(301B)の軸線にほぼ平行な軸線に沿う直線往復態様にてスライド部材(15)を移動させる動力伝達機構を含み、走査サブ組立体(3)は、前記外側駆動軸の回転運動に応答して、先端部(301B)の軸線に平行な軸線の周りに回転可能であり、
前記駆動サブ組立体は、単一のモーター(311)と、電気的に制御されるクラッチ(316)と、電気的に制御されるブレーキ(318)と、制御処理ユニット(320)とを含み、
モーター(311)は、該モーターに供給される電気制御信号に応答してアクティブ状態で動作可能であり、該アクティブ状態において、該モーターは内側駆動軸(314)を回転駆動し、
クラッチ(316)は、該クラッチに供給される電気制御入力信号に応答してクラッチ係合状態及びクラッチ非係合状態で動作可能であり、該クラッチ係合状態において、内側駆動軸(314)は、外側駆動軸(313)を回転するように外側駆動軸(313)に連結され、クラッチ非係合状態において、内側駆動軸(314)は、外側駆動軸(313)を回転しないように外側駆動軸(313)から分離され、
ブレーキ(318)は、該ブレーキに供給される電気制御入力信号に応答してブレーキ係合状態及びブレーキ非係合状態で動作可能であり、ブレーキ係合状態において、外側駆動軸(313)はハウジング内の固定回転位置に固定され、ブレーキ非係合状態において、外側駆動軸(313)はハウジング内で回転可能であり、
制御処理ユニット(320)は、前記モーター、クラッチ及びブレーキに電気的に接続され、第1動作モード及び第2動作モードで動作可能であり、
第1動作モードにおいて、固定位置に固定された外側駆動軸(313)に対する内側駆動軸(314)の回転運動を行わせるために、モーターは前記アクティブ状態で動作し、クラッチは前記クラッチ非係合状態で動作し、ブレーキはブレーキ係合状態で動作し、これにより、外側駆動軸(313)に対する内側駆動軸(314)の回転運動が、走査サブ組立体の動力伝達機構を駆動し、前記超音波変換器による縦方向走査面の走査のため、先端部(301B)の軸線にほぼ平行な軸線に沿う直線往復態様でのスライド部材の運動を作り出し、
第2動作モードにおいて、内側駆動軸(314)に回転可能に連結された外側駆動軸(313)の回転運動を行わせるため、モーターは前記アクティブ状態で動作し、クラッチは前記クラッチ係合状態で動作し、ブレーキは前記ブレーキ非係合状態で動作し、これにより、外側駆動軸(313)の回転運動が、超音波変換器による横方向走査面の走査のため、先端部(301B)の軸線に平行な軸線の周りの前記走査サブ組立体の回転を作り出す超音波プローブ装置。 - 前記走査サブ組立体は、先端部(301B)の軸線にほぼ平行に延びる少なくとも一つのトラック(16)を含み、スライド部材(15)は、前記少なくとも一つのトラック(16)に取り付けられ、かつ、スライド部材(15)の案内された直線運動のために該少なくとも一つのトラック(16)に沿って移動可能であり、走査サブ組立体(3)の前記動力伝達機構は、二つのプーリー(8、9)と、前記少なくとも一つのトラック(16)からオフセットされた面において、プーリー(8、9)の周りに回転するベルト(10)と、ベルト(10)の回転が先端部(301B)の軸線にほぼ平行な軸線に沿うスライド部材(15)の往復直線運動を引き起こすようにベルト(10)をスライド部材(15)に連結する連結部材(12)とを含む請求項12の超音波プローブ装置。
- 前記超音波変換器(11)はスライド部材(15)に取り付けられる請求項12の超音波プローブ装置。
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US10/271,897 US6709397B2 (en) | 2001-10-16 | 2002-10-16 | Scanning probe |
PCT/US2003/032344 WO2004036590A2 (en) | 2002-10-16 | 2003-10-09 | Scanning probe |
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US (2) | US6709397B2 (ja) |
EP (1) | EP1551307A4 (ja) |
JP (1) | JP4578976B2 (ja) |
AU (1) | AU2003282607B2 (ja) |
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2002
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2003
- 2003-10-09 WO PCT/US2003/032344 patent/WO2004036590A2/en active Search and Examination
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- 2003-10-09 JP JP2004544851A patent/JP4578976B2/ja not_active Expired - Lifetime
- 2003-10-09 CA CA002501707A patent/CA2501707A1/en not_active Abandoned
- 2003-10-09 AU AU2003282607A patent/AU2003282607B2/en not_active Ceased
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AU2003282607B2 (en) | 2007-11-29 |
AU2003282607A1 (en) | 2004-05-04 |
WO2004036590A2 (en) | 2004-04-29 |
EP1551307A2 (en) | 2005-07-13 |
US20040204650A1 (en) | 2004-10-14 |
US6709397B2 (en) | 2004-03-23 |
CA2501707A1 (en) | 2004-04-29 |
US20030073907A1 (en) | 2003-04-17 |
US7066889B2 (en) | 2006-06-27 |
EP1551307A4 (en) | 2009-06-17 |
WO2004036590A3 (en) | 2005-03-24 |
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