JP5688160B2 - 撮像を伴う可撓性減量カテーテル、および、その使用および製造方法 - Google Patents
撮像を伴う可撓性減量カテーテル、および、その使用および製造方法 Download PDFInfo
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- JP5688160B2 JP5688160B2 JP2013538892A JP2013538892A JP5688160B2 JP 5688160 B2 JP5688160 B2 JP 5688160B2 JP 2013538892 A JP2013538892 A JP 2013538892A JP 2013538892 A JP2013538892 A JP 2013538892A JP 5688160 B2 JP5688160 B2 JP 5688160B2
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- catheter
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- tubular member
- transducer
- lumen
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
Description
本発明は、概して、身体管腔を減量するためのシステムおよび方法に関する。より具体的には、本発明は、血管疾患を治療するためのアテローム切除術用カテーテルに関する。
本発明はさらに、例えば、以下を提供する。
(項目1)
血管内に展開するためのカテーテルであって、
制御ハンドルと、
近位端および遠位端を有する細長い近位セグメントであって、前記近位端は、前記制御ハンドルに接続されている、細長い近位セグメントと、
近位端および遠位端を有する遠位先端アセンブリと、
第1の材料を含む近位端部分、第2の材料を含む遠位端部分、および、前記近位端部分と前記遠位端部分との間に延在する本体部分を有する筐体であって、前記本体部分は、第3の材料を含み、前記第1および第2の材料は、前記第3の材料とは異なり、前記近位端部分は、前記細長い近位セグメントの前記遠位端に接続され、前記遠位端部分は、前記遠位先端アセンブリの前記近位端に接続され、前記筐体は、管腔を規定する内面を有する管腔壁を有し、前記管腔壁は、少なくとも1つのスロットを有する、筐体と、
少なくとも部分的に前記筐体の前記管腔内に据え付けられている、変換器と
を備えている、カテーテル。
(項目2)
前記筐体の外面は、少なくとも1つのリブを有している、項目1に記載のカテーテル。
(項目3)
前記管腔壁の前記外面上の前記少なくとも1つの縦方向に延在するリブは、5から8個の範囲内のリブである、項目2に記載のカテーテル。
(項目4)
前記管腔壁における前記少なくとも1つのスロットは、2つのスロットである、項目1に記載のカテーテル。
(項目5)
前記変換器は、前記変換器と前記管腔壁との間に間隙を形成するために、前記管腔壁から離間した位置にある、項目1に記載のカテーテル。
(項目6)
前記変換器は、前記筐体の前記管腔壁、および前記筐体の前記少なくとも1つのスロットを通した、前記血管の360°画像能力を有するように構成され、前記筐体の前記管腔壁における前記少なくとも1つのスロットを通して前記変換器によって撮像される、前記筐体の円周の範囲角度は、60°から180°の範囲内である、項目1に記載のカテーテル。
(項目7)
前記範囲角度は、120°から150°の範囲内である、項目6に記載のカテーテル。
(項目8)
前記範囲角度は、130°である、項目7に記載のカテーテル。
(項目9)
前記変換器は、前記筐体の前記管腔壁、および前記筐体の前記少なくとも1つのスロットを通した、前記血管の360°画像能力を有するように構成され、前記筐体の前記管腔壁における各スロットを通して前記変換器によって撮像される、前記筐体の円周の範囲角度は、60°から180°の範囲内である、項目4に記載のカテーテル。
(項目10)
前記範囲角度は、65°から90°の範囲内である、項目9に記載のカテーテル。
(項目11)
前記範囲角度は、73°である、項目10に記載のカテーテル。
(項目12)
前記第1および第2の材料は、金属を含み、前記第3の材料は、ポリマーを含む、項目1に記載のカテーテル。
(項目13)
前記第1の材料は、ステンレス鋼を含み、前記第2の材料は、タングステンを含み、前記第3の材料は、アクリロニトリルブタジエンスチレン(ABS)を含む、項目12に記載のカテーテル。
(項目14)
前記筐体の前記近位端部分に接続される、前記細長い近位セグメントの前記遠位端は、ステンレス鋼を含む、項目12に記載のカテーテル。
(項目15)
近位端および遠位端と、管腔を規定する壁とを有する第1の管状部材をさらに備え、前記第1の管状部材の少なくとも一部分は、前記筐体の前記管腔内に位置付けられ、前記筐体の前記近位端部分に接続されている、項目1に記載のカテーテル。
(項目16)
前記第1の管状部材の近位部分は、前記第1の管状部材の前記近位端が、前記細長い近位セグメントの前記遠位端の近位にあるように、前記細長い近位セグメントの中の管腔内で前記筐体の前記近位端から近位に延在する、項目15に記載のカテーテル。
(項目17)
近位端および遠位端と、管腔を規定する壁とを有する第2の管状部材をさらに備え、前記第2の管状部材の少なくとも一部分は、前記第1の管状部材の前記管腔内に位置付けられ、前記第2の管状部材の前記壁の外面と前記第1の管状部材の前記壁の内面との間の距離は、前記第1の管状部材と前記第2の管状部材との間の間隙を規定し、
前記変換器は、前記制御ハンドルまで近位に延在するワイヤをさらに備え、前記ワイヤは、前記第1の管状部材と前記第2の管状部材との間の前記間隙を通って延在するように位置付けられている、項目15に記載のカテーテル。
(項目18)
前記第1の管状部材の前記遠位端は、前記筐体における前記スロットの近位にある、項目1に記載のカテーテル。
(項目19)
前記第2の管状部材の前記遠位端は、前記第1の管状部材の前記遠位端と前記近位端との間に位置付けられ、前記第2の管状部材の前記近位端は、前記第1の管状部材の前記近位端の近位に位置付けられている、項目17に記載のカテーテル。
(項目20)
前記細長い近位セグメントの前記遠位端は、溶接によって前記筐体の前記近位端部分に接続されている、項目1に記載のカテーテル。
(項目21)
前記筐体の前記遠位端部分は、前記遠位先端アセンブリにおける対向ピンホールと整列するように位置付けられている対向ピンホールを含み、前記カテーテルは、前記整列されているピンホールの中に位置付けられるピンをさらに備えている、項目1に記載のカテーテル。
(項目22)
前記第1の管状部材と前記第2の管状部材との間の前記間隙内に含まれている注型封入材料をさらに含む、項目17に記載のカテーテル。
(項目23)
血管内に展開するためのカテーテルであって、
制御ハンドルと、
近位端および遠位端を有する細長い近位セグメントであって、前記近位端は、前記制御ハンドルに接続されている、細長い近位セグメントと、
近位端および遠位端を有する遠位先端アセンブリと、
近位端部分、遠位端部分、および、前記近位端部分と前記遠位端部分との間に延在する本体部分を有する筐体であって、前記近位端部分は、前記細長い近位セグメントの前記遠位端に接続され、前記遠位端部分は、前記遠位先端アセンブリの前記近位端に接続され、前記筐体は、少なくとも1つのスロットを有する、筐体と、
近位端および遠位端と、管腔を規定する壁とを有する第1の管状部材であって、前記第1の管状部材の少なくとも一部分は、前記筐体の管腔内に位置付けられ、前記筐体の前記近位端部分に接続されている、第1の管状部材と、
少なくとも部分的に前記筐体の前記管腔内に据え付けられている変換器であって、前記変換器の少なくとも一部分は、前記第1の管状部材の前記管腔内に位置付けられ、前記変換器は、前記筐体の前記少なくとも1つのスロットを通した血管の画像能力を有し、前記制御ハンドルまで近位に延在するワイヤを含む、変換器と
を備えている、カテーテル。
(項目24)
前記第1の管状部材の近位部分は、前記第1の管状部材の前記近位端が、前記細長い近位セグメントの前記遠位端の近位にあるように、前記細長い近位セグメントの中の管腔内で前記筐体の前記近位端から近位に延在する、項目23に記載のカテーテル。
(項目25)
近位端および遠位端と、管腔を規定する壁とを有する第2の管状部材をさらに備え、前記第2の管状部材の少なくとも一部分は、前記第1の管状部材の前記管腔内に位置付けられ、前記第2の管状部材の前記壁の外面と前記第1の管状部材の前記壁の内面との間の距離は、前記第1の管状部材と前記第2の管状部材との間の間隙を規定し、前記ワイヤは、前記第1の管状部材と前記第2の管状部材との間の前記間隙を通って延在する、項目23に記載のカテーテル。
(項目26)
前記第1の管状部材の前記遠位端は、前記筐体における前記スロットの近位にある、項目23に記載のカテーテル。
(項目27)
前記第2の管状部材の前記遠位端は、前記第1の管状部材の前記遠位端と前記近位端との間に位置付けられ、前記第2の管状部材の前記近位端は、前記第1の管状部材の前記近位端の近位に位置付けられている、項目25に記載のカテーテル。
(項目28)
前記第1の管状部材と前記第2の管状部材との間の前記間隙内に含まれている注型封入材料をさらに含む、項目25に記載のカテーテル。
(項目29)
近位セグメントと、遠位セグメントと、変換器筐体とを含む細長い本体を有するカテーテルを作製する方法であって、前記方法は、
第1の材料から前記筐体の近位端部分を形成することと、
第2の材料から前記筐体の遠位端部分を形成することと、
第3の材料から、前記近位端部分と前記遠位端部分との間に延在する前記筐体の本体部分を形成することであって、前記第1および第2の材料は、前記第3の材料とは異なり、前記筐体は、管腔を規定する内面を有する管腔壁を有し、前記管腔壁は、少なくとも1つのスロットを有する、ことと、
前記筐体の前記管腔内に変換器の少なくとも一部分を据え付けることと、
前記筐体の前記近位端部分を前記細長い近位セグメントの遠位端に接続し、前記筐体の前記遠位端部分を前記遠位セグメントの近位端に接続することと
を含む、方法。
(項目30)
前記本体部分を形成することは、前記第1および第2の材料を覆って前記第3の材料を射出成形することを含む、項目29に記載の方法。
(項目31)
制御ハンドルと、近位セグメント、遠位セグメント、および、変換器筐体を含む細長い本体とを有するカテーテルを作製する方法であって、
第1の管状部材の管腔内に変換器の少なくとも一部分を据え付けることと、
前記第1の管状部材および前記変換器が、少なくとも部分的に前記変換器筐体の管腔の中で受け取られ、前記変換器上の信号発信要素が、前記変換器筐体の壁におけるスロットと整列させられるように、前記第1の管状部材を前記変換器筐体の近位端部分に接続することと、
前記筐体の前記近位端部分を前記細長い近位セグメントの遠位端に接続し、前記筐体の遠位端部分を前記遠位セグメントの近位端に接続することと
を含む、方法。
(項目32)
近位端および遠位端と、前記第1の管状部材の前記管腔内の管腔を規定する壁とを有する第2の管状部材を位置付けることをさらに含み、前記第2の管状部材の前記壁の外面と前記第1の管状部材の壁の内面との間の距離が、前記第1の管状部材と前記第2の管状部材との間の間隙を規定し、前記変換器から制御コントーラまで延在するワイヤが、前記第1の管状部材と前記第2の管状部材との間の前記間隙を通って延在する、項目31に記載の方法。
(項目33)
管腔を規定する内側管腔壁を有する管状本体と、
変換器であって、前記変換器は、前記変換器と前記管腔壁との間に間隙を形成するために、前記管腔壁から離間した位置で前記管腔内に据え付けられている、変換器と、
前記変換器と前記管腔壁との間の前記間隙を埋める親水性材料と
を備えている、カテーテル
(項目34)
前記変換器は、超音波変換器である、項目33に記載のカテーテル。
(項目35)
前記変換器は、前記管状本体に対して前記管腔内で可撓に据え付けられている、項目33に記載のカテーテル。
(項目36)
切断要素をさらに備え、前記変換器は、前記切断要素より遠位および前記切断要素より近位のうちの1つの、前記管腔内の位置に据え付けられている、項目33に記載のカテーテル。
(項目37)
前記管状本体は、側面開口部を含み、前記切断要素は、前記管状本体の前記管腔内の格納位置と、前記切断要素の少なくとも一部分が前記側面開口部を通って前記管状本体の外径を越えて延在する切断位置との間で移動可能であるように構成されている、項目36に記載のカテーテル。
(項目38)
前記変換器は、電気コネクタを含み、前記カテーテルは、前記変換器に接続されているアダプタをさらに備え、前記アダプタは、前記管状本体が前記管状本体の縦軸に関して屈曲された場合に、前記電気コネクタを損傷から保護するように構成されている、項目33に記載のカテーテル。
(項目39)
前記変換器は、前記変換器の遠位端と近位端との間に延在する管腔を有し、前記カテーテルは、前記変換器の前記管腔を通って延在する回転シャフトと、前記変換器の前記近位端および前記遠位端の一方または両方で前記変換器に接続されている歪緩和要素とをさらに備え、前記歪緩和要素は、前記カテーテルが前記管状本体の縦軸に対して横の方向に屈曲された場合に、前記回転シャフトを保護するように構成されている、項目33に記載のカテーテル。
(項目40)
前記管状本体は、前記側面開口部の近位、かつ、前記変換器が据え付けられている位置の遠位に可撓性接合部を含む、項目37に記載のカテーテル。
(項目41)
可撓性カテーテルであって、
縦軸、および管腔を規定する内側管腔壁を有する管状本体と、
外側寸法を有する本体を有する剛体変換器であって、前記変換器は、前記変換器の本体の外側寸法と前記管腔壁との間に間隙が形成されるように、前記管腔内に据え付けられ、前記管腔壁から離間しており、前記変換器と前記管腔壁との間の距離は、前記間隙の厚さを規定し、前記変換器は、前記カテーテルが前記縦軸に対して横の方向に屈曲された場合に、前記間隙の前記厚さが変化するように位置付けられている、変換器と
を備えている、カテーテル。
(項目42)
前記変換器は、超音波変換器である、項目41に記載のカテーテル。
(項目43)
前記変換器は、前記管状本体に対して前記管腔内で可撓に据え付けられている、項目41に記載のカテーテル。
Claims (9)
- 血管内に展開するためのカテーテルであって、
制御ハンドルと、
近位端および遠位端を有する細長い近位セグメントであって、前記近位端は、前記制御ハンドルに接続されている、細長い近位セグメントと、
近位端および遠位端を有する遠位先端アセンブリと、
第1の材料を含む近位端部分、第2の材料を含む遠位端部分、および、前記近位端部分と前記遠位端部分との間に延在する本体部分を有する筐体であって、前記本体部分は、第3の材料を含み、前記第1および第2の材料は、前記第3の材料とは異なり、前記近位端部分は、前記細長い近位セグメントの前記遠位端に接続され、前記遠位端部分は、前記遠位先端アセンブリの前記近位端に接続され、前記筐体は、管腔を規定する内面を有する管腔壁を有し、前記管腔壁は、少なくとも1つのスロットを有する、筐体と、
少なくとも部分的に前記筐体の前記管腔内に据え付けられている、変換器と、
近位端と、遠位端と、管腔を規定する壁とを有する第1の管状部材であって、前記第1の管状部材の少なくとも一部分は、前記筐体の前記管腔内に位置付けられ、前記筐体の前記近位端部分に接続されている、第1の管状部材と、
近位端と、遠位端と、管腔を規定する壁とを有する第2の管状部材であって、前記第2の管状部材の少なくとも一部分は、前記第1の管状部材の前記管腔内に位置付けられ、前記第2の管状部材の前記壁の外面と前記第1の管状部材の前記壁の内面との間の距離は、前記第1の管状部材と前記第2の管状部材との間の間隙を規定する、第2の管状部材と
を備え、
前記変換器は、前記制御ハンドルまで近位に延在するワイヤをさらに含み、前記ワイヤは、前記第1の管状部材と前記第2の管状部材との間の前記間隙を通って延在するように位置付けられている、カテーテル。 - 前記筐体の外面は、少なくとも1つのリブを有している、請求項1に記載のカテーテル。
- 前記変換器は、前記変換器と前記管腔壁との間に間隙を形成するために、前記管腔壁から離間した位置にある、請求項1に記載のカテーテル。
- 前記変換器は、前記筐体の前記管腔壁、および前記筐体の前記少なくとも1つのスロットを通した、前記血管の360°画像能力を有するように構成され、前記筐体の前記管腔壁における前記少なくとも1つのスロットを通して前記変換器によって撮像される、前記筐体の円周の範囲角度は、60°から180°の範囲内である、請求項1に記載のカテーテル。
- 前記第1の材料は、ステンレス鋼を含み、前記第2の材料は、タングステンを含み、前記第3の材料は、アクリロニトリルブタジエンスチレン(ABS)を含む、請求項1に記載のカテーテル。
- 前記第1の管状部材の近位部分は、前記第1の管状部材の前記近位端が、前記細長い近位セグメントの前記遠位端の近位にあるように、前記細長い近位セグメントの中の管腔内で前記筐体の前記近位端から近位に延在する、請求項1に記載のカテーテル。
- 前記第2の管状部材の前記遠位端は、前記第1の管状部材の前記遠位端と前記近位端との間に位置付けられ、前記第2の管状部材の前記近位端は、前記第1の管状部材の前記近位端の近位に位置付けられている、請求項1に記載のカテーテル。
- 近位セグメントと、遠位セグメントと、変換器筐体とを含む細長い本体を有するカテーテルを作製する方法であって、前記方法は、
第1の材料から前記筐体の近位端部分を形成することと、
第2の材料から前記筐体の遠位端部分を形成することと、
第3の材料から、前記近位端部分と前記遠位端部分との間に延在する前記筐体の本体部分を形成することであって、前記第1および第2の材料は、前記第3の材料とは異なり、前記筐体は、管腔を規定する内面を有する管腔壁を有し、前記管腔壁は、少なくとも1つのスロットを有する、ことと、
第1の管状部材の少なくとも一部分を前記筐体の前記管腔内に据え付けることであって、前記第1の管状部材は、近位端と、遠位端と、管腔を規定する壁とを有する、ことと、
第2の管状部材の少なくとも一部分を前記第1の管状部材の前記管腔内に据え付けることであって、前記第2の管状部材は、近位端と、遠位端と、管腔を規定する壁とを有し、前記第2の管状部材の前記壁の外面と前記第1の管状部材の前記壁の内面との間の距離は、前記第1の管状部材と前記第2の管状部材との間の間隙を規定する、ことと、
前記筐体の前記管腔内に変換器の少なくとも一部分を据え付けることであって、前記変換器は、近位に延在するワイヤを含み、前記ワイヤは、前記第1の管状部材と前記第2の管状部材との間の前記間隙を通って延在するように位置付けられている、ことと、
前記筐体の前記近位端部分を前記細長い近位セグメントの遠位端に接続し、前記筐体の前記遠位端部分を前記遠位セグメントの近位端に接続することと
を含む、方法。 - 前記本体部分を形成することは、前記第1および第2の材料を覆って前記第3の材料を射出成形することを含む、請求項8に記載の方法。
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JP2015119982A (ja) * | 2010-11-11 | 2015-07-02 | コヴィディエン リミテッド パートナーシップ | 撮像を伴う可撓性減量カテーテル、および、その使用および製造方法 |
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KR20130090418A (ko) | 2013-08-13 |
CA2817213A1 (en) | 2012-05-18 |
WO2012064966A2 (en) | 2012-05-18 |
WO2012064966A3 (en) | 2013-01-03 |
CN103281964A (zh) | 2013-09-04 |
US8808186B2 (en) | 2014-08-19 |
EP2659840B1 (en) | 2017-02-01 |
RU2553930C2 (ru) | 2015-06-20 |
CA2817213C (en) | 2016-06-14 |
JP2014505496A (ja) | 2014-03-06 |
JP2015119982A (ja) | 2015-07-02 |
AU2011326420A1 (en) | 2013-05-30 |
EP2637567A2 (en) | 2013-09-18 |
US20120123352A1 (en) | 2012-05-17 |
BR112013011632A2 (pt) | 2016-08-09 |
EP2637567B1 (en) | 2017-03-08 |
RU2013122590A (ru) | 2014-12-20 |
EP2659840A2 (en) | 2013-11-06 |
EP2659840A3 (en) | 2014-04-30 |
KR101518151B1 (ko) | 2015-05-06 |
US9326789B2 (en) | 2016-05-03 |
KR20150020240A (ko) | 2015-02-25 |
CN103281964B (zh) | 2015-09-30 |
AU2011326420B2 (en) | 2014-11-27 |
US20150080700A1 (en) | 2015-03-19 |
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