JP4446175B2 - 耐伸張性脈管閉塞コイルにおけるアンカアッセンブリ - Google Patents
耐伸張性脈管閉塞コイルにおけるアンカアッセンブリ Download PDFInfo
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- JP4446175B2 JP4446175B2 JP2004518139A JP2004518139A JP4446175B2 JP 4446175 B2 JP4446175 B2 JP 4446175B2 JP 2004518139 A JP2004518139 A JP 2004518139A JP 2004518139 A JP2004518139 A JP 2004518139A JP 4446175 B2 JP4446175 B2 JP 4446175B2
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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
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
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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
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
- A61B17/12113—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel within an aneurysm
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/1214—Coils or wires
- A61B17/12145—Coils or wires having a pre-set deployed three-dimensional shape
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/1214—Coils or wires
- A61B17/12154—Coils or wires having stretch limiting means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B2017/1205—Introduction devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B2017/1205—Introduction devices
- A61B2017/12054—Details concerning the detachment of the occluding device from the introduction device
- A61B2017/12063—Details concerning the detachment of the occluding device from the introduction device electrolytically detachable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B2017/1205—Introduction devices
- A61B2017/12054—Details concerning the detachment of the occluding device from the introduction device
- A61B2017/12095—Threaded connection
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Reproductive Health (AREA)
- Public Health (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Neurosurgery (AREA)
- Surgical Instruments (AREA)
- Materials For Medical Uses (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Laser Surgery Devices (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Prostheses (AREA)
- Particle Accelerators (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Coils Of Transformers For General Uses (AREA)
- Discharge Heating (AREA)
Description
本発明の技術分野は、インプラント可能な脈管閉塞装置に関し、特に、耐伸張性脈管閉塞コイルに関する。
脈管閉塞装置は、血管を流れる血流や、エンボラス(enbolus)の形態でその血管から派生している動脈瘤を流れる血流を遮るために、典型的にはカテーテルを介して人体の脈管内に配置される外科的な器具あるいはインプラントである。広く使用されている脈管閉塞装置の一つは、動脈瘤の壁に合った大きさの巻線を有する螺旋状ワイヤコイルである。実際には、このような脈管閉塞インプラントはすべてワイヤで誘導されるカテーテルを介して装置を押し出すことによって送出される。
本発明は、患者の脈管構造内で展開して、その血流を閉塞することができる脈管閉塞装置に関する。この脈管閉塞装置は、閉塞部位に合致する様々な二次形状のどれかに展開することができる主コイルを具える。この脈管閉塞装置は送出装置を用いて目的部位に運ばれ、電解ジョイントなどの様々な切離し手段のいずれか一つを用いてそこから切り離される。また、この脈管閉塞装置は主コイル内に配設された内腔の少なくとも一部に延在する伸張防止部材を含む。伸張防止部材は、直接的あるいは間接的に主コイルに接続されて、主コイルの軸方向における伸張を防止するかあるいは最小限に抑える。この配設位置の一箇所で、伸張防止部材は主コイル内腔に配置されたアンカアッセンブリを介して主コイルに接続されている。非限定的な例として、このアンカアッセンブリは主コイルの近位端に配置され、伸張防止部材は主コイルの遠位端あるいは主コイルのその他の位置と近位側に配置されたアンカアッセンブリとの間に直接的あるいは間接的に固定されうる。
図1を参照すると、一の好ましい実施例に従って構成された脈管閉塞アッセンブリ100が示されている。
脈管閉塞アッセンブリ100は、細長い筒状カテーテル117内に配置されたコアワイヤ114を具える送出装置と、このコアワイヤ114の端部に形成された切離し可能な手段112を用いて送出装置116の遠位端に切離し可能に取り付けられた脈管閉塞装置101とを具える。図面に示されている実施例では、以下により詳細に述べるように、切離し可能な手段112は電解的に分離可能なジョイントである。機械的なものなど、他のタイプの切離し可能な手段を使用して、脈管閉塞アッセンブリ100を様々な他の送出装置に接続することができる。したがって、当然のことながら、脈管閉塞装置101は、コアワイヤを用いる送出装置以外の送出装置に連結させることもできる。
Claims (16)
- 近位端と、遠位端と、内腔を有する主コイルと;
前記主コイル内腔内の少なくとも一部に延在し、前記主コイルに連結された伸張防止部材と;
前記主コイル内腔内に配置されたアンカアッセンブリであって、アンカ部材と、遠位リンクと、前記アンカ部材と前記遠位リンクとの間の可撓性ジョイントと、を具え、前記アンカ部材がアンカコイルまたは近位リンクで構成され、当該遠位リンクが前記アンカ部材と前記伸張防止部材との間に固定的に連結された閉ループで構成されたアンカアッセンブリと;
を具えることを特徴とする脈管閉塞装置。 - 請求項1に記載の装置において、前記遠位リンクが前記アンカ部材と前記伸張防止部材との間に直接的に取り付けられていることを特徴とする脈管閉塞装置。
- 請求項1又は2に記載の装置において、前記遠位リンクがポリエステルとポリオレフィンからなる群から選択された材料でできていることを特徴とする脈管閉塞装置。
- 請求項1乃至3のいずれかに記載の装置において、前記伸張防止部材が少なくとも一の重合体フィラメントを具えることを特徴とする脈管閉塞装置。
- 請求項1に記載の装置において、前記伸張防止部材の遠位端が前記主コイルの遠位端に連結されており、前記伸張防止部材の近位端が前記遠位リンクに連結されていることを特徴とする脈管閉塞装置。
- 請求項5に記載の装置において、前記伸張防止部材の遠位端が前記主コイルの遠位端に直接的に取り付けられていることを特徴とする脈管閉塞装置。
- 請求項1に記載の装置において、前記アンカアッセンブリが前記主コイルの近位端に連結されていることを特徴とする脈管閉塞装置。
- 請求項1乃至7のいずれかに記載の装置が、更に、前記アンカ部材に隣接する前記主コイル内腔内に配置された充填材料を具え、この充填材料が、ポリエチレンテレフタレート(PET)、ポリアミド、シリコン及びポリウレタンからなる群から選択されたものであることを特徴とする脈管閉塞装置。
- 請求項1に記載の装置において、前記アンカ部材は、近位リンクで構成され、該近位リンクは、ねじれていることにより、前記主コイル及び前記遠位リンクに固定的に連結された近位側ねじれリンクを形成し、それによりアンカアッセンブリは鎖を形成することを特徴とする脈管閉塞装置。
- 請求項9に記載の装置において、前記遠位リンクがねじれていることにより、遠位側ねじれリンクを形成することを特徴とする脈管閉塞装置。
- 請求項10に記載の装置において、前記近位側および前記遠位側ねじれリンクの各々が、少なくとも一の閉ループと一のねじれを具えることを特徴とする脈管閉塞装置。
- 請求項9に記載の装置において、前記アンカアッセンブリが、前記近位及び遠位リンクのみで構成されていることを特徴とする脈管閉塞装置。
- 請求項1に記載の装置において、前記アンカ部材が前記アンカコイルで構成されることを特徴とする脈管閉塞装置。
- 請求項13に記載の装置において、前記アンカコイルは、前記主コイルの前記内腔内に同軸に配置されていることを特徴とする脈管閉塞装置。
- 請求項13に記載の装置において、前記アンカコイルは遠位ループで構成され、前記遠位ループは、前記遠位リンクに連結されていることを特徴とする脈管閉塞装置。
- 請求項1に記載の装置において、前記遠位リンクは、前記アンカ部材より長さが短いことを特徴とする脈管閉塞装置。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/185,669 US20040002732A1 (en) | 2002-06-27 | 2002-06-27 | Stretch-resistant vaso-occlusive assembly with multiple detaching points |
US10/185,671 US7485122B2 (en) | 2002-06-27 | 2002-06-27 | Integrated anchor coil in stretch-resistant vaso-occlusive coils |
US10/185,650 US7166122B2 (en) | 2002-06-27 | 2002-06-27 | Anchor assemblies in stretch-resistant vaso-occlusive coils |
PCT/US2003/020615 WO2004002330A1 (en) | 2002-06-27 | 2003-06-26 | Anchor assemblies in stretch-resistant vaso-occlusive coils |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005530592A JP2005530592A (ja) | 2005-10-13 |
JP4446175B2 true JP4446175B2 (ja) | 2010-04-07 |
Family
ID=49950114
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004518139A Expired - Fee Related JP4446175B2 (ja) | 2002-06-27 | 2003-06-26 | 耐伸張性脈管閉塞コイルにおけるアンカアッセンブリ |
JP2004518001A Expired - Fee Related JP4446174B2 (ja) | 2002-06-27 | 2003-06-27 | 耐伸張性脈管閉塞コイルにおける一体型アンカコイル |
JP2004518143A Expired - Fee Related JP4524182B2 (ja) | 2002-06-27 | 2003-06-27 | 複数の分離点を有する耐伸張性脈管閉塞アッセンブリ |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004518001A Expired - Fee Related JP4446174B2 (ja) | 2002-06-27 | 2003-06-27 | 耐伸張性脈管閉塞コイルにおける一体型アンカコイル |
JP2004518143A Expired - Fee Related JP4524182B2 (ja) | 2002-06-27 | 2003-06-27 | 複数の分離点を有する耐伸張性脈管閉塞アッセンブリ |
Country Status (9)
Country | Link |
---|---|
US (5) | US7166122B2 (ja) |
EP (3) | EP1515653B1 (ja) |
JP (3) | JP4446175B2 (ja) |
AT (2) | ATE318109T1 (ja) |
AU (3) | AU2003279660A1 (ja) |
CA (3) | CA2490479C (ja) |
DE (3) | DE60303673T2 (ja) |
ES (2) | ES2254952T3 (ja) |
WO (3) | WO2004002330A1 (ja) |
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