JP5048808B2 - 超音波カテーテル装置 - Google Patents
超音波カテーテル装置 Download PDFInfo
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- JP5048808B2 JP5048808B2 JP2010122862A JP2010122862A JP5048808B2 JP 5048808 B2 JP5048808 B2 JP 5048808B2 JP 2010122862 A JP2010122862 A JP 2010122862A JP 2010122862 A JP2010122862 A JP 2010122862A JP 5048808 B2 JP5048808 B2 JP 5048808B2
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
- A61B17/22012—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00477—Coupling
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
- A61B17/22012—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
- A61B2017/22014—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement the ultrasound transducer being outside patient's body; with an ultrasound transmission member; with a wave guide; with a vibrated guide wire
- A61B2017/22015—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement the ultrasound transducer being outside patient's body; with an ultrasound transmission member; with a wave guide; with a vibrated guide wire with details of the transmission member
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Vascular Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Mechanical Engineering (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Description
本発明は、一般に、医療デバイスおよび方法に関する。より具体的には、本発明は、脈管内の閉塞性病巣を処置するための、超音波カテーテルデバイスおよび方法に関する。
本発明の超音波カテーテルデバイスおよび方法は、一般に、脈管閉塞の切除および/または破壊を提供する。超音波伝達部材(例えば、ワイヤ)が、超音波変換器からこのカテーテルの遠位ヘッドへと、振動エネルギーを伝達して、脈管閉塞を破壊する。少なくとも1つの吸収体部材が、この超音波伝達ワイヤまたはその周りに、このカテーテルの音響コネクタに隣接する位置で配置される。この吸収体部材は、この伝達ワイヤが音響コネクタに連結されている領域またはその近くで、超音波伝達ワイヤから熱、振動などを吸収する。この吸収性機能は、代表的に、この伝達ワイヤにおける磨耗および引き裂きのプロセスを遅くし、これによって、この超音波カテーテルの有用な寿命を延長させる。
より特定すれば、本願発明は以下の項目に関し得る。
(項目1)
血管における閉塞を破壊するための超音波カテーテルであって、上記超音波カテーテルは、以下:
近位端、遠位端および少なくとも1つの管腔を有する、細長可撓性カテーテル本体;
上記カテーテル本体の上記管腔を長手軸方向に通って延びる、超音波伝達部材;
上記超音波伝達部材の近位端に連結された音響コネクタであって、上記超音波伝達部材を、別の超音波発生デバイスに連結するための、音響コネクタ;ならびに
上記音響コネクタに隣接する上記超音波伝達部材に連結された、少なくとも1つの熱吸収部材、
を備える、超音波カテーテル。
(項目2)
上記熱吸収部材が、上記音響コネクタの遠位端に隣接する上記超音波伝達部材の一部分を囲んでいる、項目1に記載の超音波カテーテル。
(項目3)
上記熱吸収部材が、上記超音波伝達部材を受容するためのボアを備える、項目2に記載の超音波カテーテル。
(項目4)
上記熱吸収部材が、管状である、項目3に記載の超音波カテーテル。
(項目5)
上記熱吸収部材が、上記音響コネクタの遠位端と接触している、項目1に記載の超音波カテーテル。
(項目6)
上記熱吸収部材が、上記超音波カテーテルに伝達される超音波の波の約1/4波長の距離だけ、上記音響コネクタの遠位端から離れている、項目1に記載の超音波カテーテル。
(項目7)
上記熱吸収部材が、少なくとも2つの構成部品を備え、上記構成部品が、以下:
上記伝達部材と接触した、熱を吸収するための少なくとも1つの吸収性部品;および
上記吸収性部品を上記伝達部材上の適所に保持するために、上記吸収性部品に連結された、少なくとも1つの束縛部品、
を備える、項目1に記載の超音波カテーテル。
(項目8)
上記少なくとも1つの束縛部品が、上記伝達部材と接触し、そして熱を吸収するための少なくとも1つの吸収性材料を含有する、項目7に記載の超音波カテーテル。
(項目9)
上記少なくとも1つの束縛部品が、上記音響コネクタの一部分と接触している、項目8に記載の超音波カテーテル。
(項目10)
上記少なくとも1つの束縛部品が、上記音響コネクタの一部分の上に重なっている、項目8に記載の超音波カテーテル。
(項目11)
上記吸収性部品と上記束縛部品とのうちの少なくとも1つが、振動を吸収し得る、項目7に記載の超音波カテーテル。
(項目12)
上記少なくとも1つの束縛部品が、超音波伝達ワイヤを受容するためのボアを備え、上記ボアが、上記吸収性部品を受容するための幅広部分を備える、項目7に記載の超音波カテーテル。
(項目13)
上記束縛部品が、管状である、項目12に記載の超音波カテーテル。
(項目14)
上記束縛部品が、クリンプ、結合、融合または溶接のうちの少なくとも1つによって、上記吸収性部品と上記超音波伝達ワイヤとのうちの少なくとも1つに連結されている、項目12に記載の超音波カテーテル。
(項目15)
上記熱吸収部材が、少なくとも2つの構成部品を備え、上記構成部品が、以下:
上記伝達部材と接触している、振動を吸収するための少なくとも1つの振動吸収性部品;および
上記吸収性部品を上記伝達部材上の適所に保持するため、および熱を吸収するための、上記吸収性部品に連結された少なくとも1つの束縛部品、
を備える、項目1に記載の超音波カテーテル。
(項目16)
上記少なくとも1つの束縛部品が、上記音響コネクタの一部分と接触している、項目15に記載の超音波カテーテル。
(項目17)
上記少なくとも1つの束縛部品が、上記音響コネクタの一部分の上に重なっている、項目16に記載の超音波カテーテル。
(項目18)
上記少なくとも1つの束縛部品が、上記超音波伝達ワイヤを受容するためのボアを備え、上記ボアが、上記吸収性部品を受容するための幅広部分を備える、項目15に記載の超音波カテーテル。
(項目19)
上記束縛部品が、管状である、項目18に記載の超音波カテーテル。
(項目20)
上記熱吸収部品が、振動を吸収し得る、項目1に記載の超音波カテーテル。
(項目21)
上記超音波伝達部材に連結され、そして振動を吸収するための、振動吸収部材をさらに備える、項目1に記載の超音波カテーテル。
(項目22)
上記熱吸収部材が、熱伝導特性を有する少なくとも1種の金属を含有する、項目1に記載の超音波カテーテル。
(項目23)
上記少なくとも1種の金属が、アルミニウム、アルミニウム合金、チタン、チタン合金、マグネシウム、およびマグネシウム合金からなる群より選択される、項目22に記載の超音波カテーテル。
(項目24)
上記熱吸収部材が、クリンプ、結合、融合、または溶接のうちの1つによって、上記超音波伝達ワイヤと連結されている、項目1に記載の超音波カテーテル。
(項目25)
血管における閉塞を破壊するための超音波カテーテルであって、上記超音波カテーテルは、以下:
近位端、遠位端、および少なくとも1つの管腔を有する、細長可撓性カテーテル本体;
上記カテーテル本体の上記管腔を長手軸方向に通って延びる、超音波伝達部材;
上記超音波伝達部材の近位端と連結された、上記超音波伝達部材を別の超音波発生デバイスに連結するための、音響コネクタ;ならびに
上記音響コネクタに隣接する上記超音波伝達部材に連結された、少なくとも1つの振動吸収部材、
を備える、超音波カテーテル。
(項目26)
上記振動吸収部材が、上記音響コネクタの遠位端に隣接する上記超音波伝達部材の部分を囲んでいる、項目25に記載の超音波カテーテル。
(項目27)
上記振動吸収部材が、上記超音波伝達部材を受容するためのボアを備える、項目26に記載の超音波カテーテル。
(項目28)
上記振動吸収部材が、管状である、項目27に記載の超音波カテーテル。
(項目29)
上記振動吸収部材が、上記音響カテーテルの遠位端に接触している、項目25に記載の超音波カテーテル。
(項目30)
上記振動吸収部材が、上記超音波カテーテルに伝達される超音波の波の約1/4波長の距離だけ、上記音響コネクタの遠位端から離れている、項目25に記載の超音波カテーテル。
(項目31)
上記振動吸収部材が、少なくとも2つの構成部品を備え、上記構成部品が、以下:
上記伝達部材に接触する、振動を吸収するための少なくとも1つの吸収性部品;および
上記吸収性部品を上記伝達部材上の適所に保持するために、上記吸収性部品に連結される、少なくとも1つの束縛部品、
を備える、項目25に記載の超音波カテーテル。
(項目32)
上記少なくとも1つの束縛部品が、上記伝達部品と接触し、そして熱を吸収するための少なくとも1種の吸収性材料を含有する、項目31に記載の超音波カテーテル。
(項目33)
上記少なくとも1つの束縛部品が、上記音響コネクタの一部分と接触している、項目32に記載の超音波カテーテル。
(項目34)
上記少なくとも1つの束縛部品が、上記音響コネクタの一部分の上に重なる、項目32に記載の超音波カテーテル。
(項目35)
上記吸収性部品と上記束縛部品とのうちの少なくとも1つが、熱を吸収し得る、項目31に記載の超音波カテーテル。
(項目36)
上記少なくとも1つの束縛部品が、上記超音波伝達ワイヤを受容するためのボアを備え、上記ボアが、上記吸収性部品を受容するための幅広部分を備える、項目31に記載の超音波カテーテル。
(項目37)
上記束縛部品が、管状である、項目36に記載の超音波カテーテル。
(項目38)
上記束縛部品が、クリンプ、結合、融合、または溶接のうちの少なくとも1つによって、上記吸収性部品と上記超音波伝達ワイヤとのうちの少なくとも1つと連結されている、項目36に記載の超音波カテーテル。
(項目39)
上記振動吸収部材が、少なくとも2つの構成部品を備え、上記構成部品が、以下:
上記伝達部材と接触する、振動を吸収するための少なくとも1つの振動吸収性部品;および
上記吸収性部品を上記伝達部材上の適所に保持するため、および熱を吸収するための、上記吸収性部品と連結された少なくとも1つの束縛部品、
を備える、項目25に記載の超音波カテーテル。
(項目40)
上記少なくとも1つの束縛部品が、上記音響コネクタの一部分と接触している、項目39に記載の超音波カテーテル。
(項目41)
上記少なくとも1つの束縛部品が、上記音響コネクタの一部分の上に重なる、項目39に記載の超音波カテーテル。
(項目42)
上記少なくとも1つの束縛部品が、上記超音波伝達ワイヤを受容するためのボアを備え、上記ボアが、上記吸収性部品を受容するための幅広部分を備える、項目39に記載の超音波カテーテル。
(項目43)
上記束縛部品が、管状である、項目42に記載の超音波カテーテル。
(項目44)
上記振動吸収部材が、熱を吸収し得る、項目25に記載の超音波カテーテル。
(項目45)
上記超音波伝達部材と結合された、熱を吸収するための、熱吸収部材をさらに備える、項目25に記載の超音波カテーテル。
(項目46)
上記超音波吸収部材が、ゴム、ポリマー、およびゴム/ポリマーの組み合わせからなる群より選択される、少なくとも1種の振動吸収材料を含有する、項目25に記載の超音波カテーテル。
(項目47)
上記振動吸収部材が、熱伝導特性を有する少なくとも1種の金属をさらに含有する、項目46に記載の超音波カテーテル。
(項目48)
上記少なくとも1種の金属が、アルミニウム、アルミニウム合金、チタン、チタン合金、マグネシウム、およびマグネシウム合金からなる群より選択される、項目47に記載の超音波カテーテル。
(項目49)
上記振動吸収部材が、クリンプ、結合、融合、または溶接のうちの少なくとも1つによって、上記超音波伝達ワイヤに連結される、項目25に記載の超音波カテーテル。
本発明の超音波カテーテルデバイスおよび方法は、一般に、脈管閉塞の切除および/または破壊を提供する。超音波伝達部材(例えば、ワイヤ)は、振動エネルギーを、超音波変換器からカテーテルの遠位ヘッドへと伝達して、脈管閉塞を破壊する。少なくとも1つの吸収体部材が、この超音波伝達ワイヤまたはその周りに、このカテーテルの音響コネクタに隣接する位置で、配置される。この吸収体部材は、熱、振動などを、この超音波伝達ワイヤから、この伝達ワイヤが音響結合器に結合されている領域またはその近くにて吸収する。この吸収機能は、代表的に、伝達ワイヤの磨耗および引き裂きのプロセスを遅くし、これによって、この超音波カテーテルの有用な寿命を延長させる。本発明のカテーテルは、以下に詳細に記載されるが、さらなる詳細については、2002年8月25日に出願された、米国特許出願番号10/229,371(これは、先に参考として援用された)に対して参照がなされ得る。
Claims (24)
- 血管における閉塞を破壊するための超音波カテーテルであって、該超音波カテーテルは、以下:
近位端、遠位端、および少なくとも1つの管腔を有する、細長可撓性カテーテル本体;
該カテーテル本体の該管腔を長手軸方向に通って延びる、超音波伝達部材;
該超音波伝達部材の近位端と連結された、該超音波伝達部材を別の超音波発生デバイスに連結するための、音響コネクタ;ならびに
該音響コネクタに隣接する該超音波伝達部材に連結された、少なくとも1つの振動吸収部材であって、前記音響コネクタの遠位側に配置された振動吸収部材を備え、
前記振動吸収部材が、熱伝導特性を有する少なくとも1種の金属をさらに含有する、超音波カテーテル。 - 前記振動吸収部材が、前記音響コネクタの遠位端に隣接する前記超音波伝達部材の部分を囲んでいる、請求項1に記載の超音波カテーテル。
- 前記振動吸収部材が、前記超音波伝達部材を受容するためのボアを備える、請求項2に記載の超音波カテーテル。
- 前記振動吸収部材が、管状である、請求項3に記載の超音波カテーテル。
- 前記振動吸収部材が、前記音響コネクタの遠位端に接触している、請求項1に記載の超音波カテーテル。
- 前記振動吸収部材が、前記超音波カテーテルに伝達される超音波の波の約1/4波長の距離だけ、前記音響コネクタの遠位端から離れている、請求項1に記載の超音波カテーテル。
- 前記振動吸収部材が、少なくとも2つの構成部品を備え、該構成部品が、以下:
前記伝達部材に接触する、振動を吸収するための少なくとも1つの吸収性部品;および
該吸収性部品を該超音波伝達部材上の適所に保持するために、該吸収性部品に連結される、少なくとも1つの束縛部品、
を備える、請求項1に記載の超音波カテーテル。 - 前記少なくとも1つの束縛部品が、前記超音波伝達部材と接触し、そして熱を吸収するための少なくとも1種の吸収性材料を含有する、請求項7に記載の超音波カテーテル。
- 前記少なくとも1つの束縛部品が、前記音響コネクタの一部分と接触している、請求項8に記載の超音波カテーテル。
- 前記少なくとも1つの束縛部品が、前記音響コネクタの一部分の上に重なる、請求項8に記載の超音波カテーテル。
- 前記吸収性部品と前記束縛部品とのうちの少なくとも1つが、熱を吸収し得る、請求項7に記載の超音波カテーテル。
- 前記少なくとも1つの束縛部品が、前記超音波伝達部材を受容するためのボアを備え、該ボアが、前記吸収性部品を受容するための幅広部分を備える、請求項7に記載の超音波カテーテル。
- 前記束縛部品が、管状である、請求項12に記載の超音波カテーテル。
- 前記束縛部品が、クリンプ、結合、融合、または溶接のうちの少なくとも1つによって、前記吸収性部品と前記超音波伝達部材とのうちの少なくとも1つと連結されている、
請求項12に記載の超音波カテーテル。 - 前記振動吸収部材が、少なくとも2つの構成部品を備え、該構成部品が、以下:
前記伝達部材と接触する、振動を吸収するための少なくとも1つの振動吸収性部品;および
該吸収性部品を該伝達部材上の適所に保持するため、および熱を吸収するための、該吸収性部品と連結された少なくとも1つの束縛部品、
を備える、請求項1に記載の超音波カテーテル。 - 前記少なくとも1つの束縛部品が、前記音響コネクタの一部分と接触している、請求項15に記載の超音波カテーテル。
- 前記少なくとも1つの束縛部品が、前記音響コネクタの一部分の上に重なる、請求項15に記載の超音波カテーテル。
- 前記少なくとも1つの束縛部品が、前記超音波伝達部材を受容するためのボアを備え、該ボアが、前記吸収性部品を受容するための幅広部分を備える、請求項15に記載の超音波カテーテル。
- 前記束縛部品が、管状である、請求項18に記載の超音波カテーテル。
- 前記振動吸収部材が、熱を吸収し得る、請求項1に記載の超音波カテーテル。
- 前記超音波伝達部材と結合された、熱を吸収するための、熱吸収部材をさらに備える、
請求項1に記載の超音波カテーテル。 - 前記振動吸収部材が、ゴム、ポリマー、およびゴム/ポリマーの組み合わせからなる群より選択される、少なくとも1種の振動吸収材料を含有する、請求項1に記載の超音波カテーテル。
- 前記少なくとも1種の金属が、アルミニウム、アルミニウム合金、チタン、チタン合金、マグネシウム、およびマグネシウム合金からなる群より選択される、請求項1に記載の超音波カテーテル。
- 前記振動吸収部材が、クリンプ、結合、融合、または溶接のうちの少なくとも1つによって、前記超音波伝達部材に連結される、請求項1に記載の超音波カテーテル。
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JP5006031B2 (ja) | 2012-08-22 |
WO2004075945A3 (en) | 2005-04-28 |
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US20050245951A1 (en) | 2005-11-03 |
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US20190059920A1 (en) | 2019-02-28 |
US20100049209A1 (en) | 2010-02-25 |
US20150150571A1 (en) | 2015-06-04 |
JP2006519054A (ja) | 2006-08-24 |
JP2010279693A (ja) | 2010-12-16 |
WO2004075945A2 (en) | 2004-09-10 |
EP1596733B1 (en) | 2016-10-26 |
EP2471474A1 (en) | 2012-07-04 |
US20040167507A1 (en) | 2004-08-26 |
EP1596733A4 (en) | 2009-05-27 |
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