JP4845894B2 - 弁輪形成術を支援する装置およびシステム - Google Patents
弁輪形成術を支援する装置およびシステム Download PDFInfo
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- JP4845894B2 JP4845894B2 JP2007558036A JP2007558036A JP4845894B2 JP 4845894 B2 JP4845894 B2 JP 4845894B2 JP 2007558036 A JP2007558036 A JP 2007558036A JP 2007558036 A JP2007558036 A JP 2007558036A JP 4845894 B2 JP4845894 B2 JP 4845894B2
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- reference ring
- ring
- delivery catheter
- catheter
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- Expired - Fee Related
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2442—Annuloplasty rings or inserts for correcting the valve shape; Implants for improving the function of a native heart valve
- A61F2/2445—Annuloplasty rings in direct contact with the valve annulus
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2442—Annuloplasty rings or inserts for correcting the valve shape; Implants for improving the function of a native heart valve
- A61F2/2466—Delivery devices therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
- A61B2090/3954—Markers, e.g. radio-opaque or breast lesions markers magnetic, e.g. NMR or MRI
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0091—Three-dimensional shapes helically-coiled or spirally-coiled, i.e. having a 2-D spiral cross-section
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0059—Additional features; Implant or prostheses properties not otherwise provided for temporary
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0096—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers
- A61F2250/0097—Visible markings, e.g. indicia
Description
本発明の一局面は、心臓弁輪と当接状態に弁輪形成用リングを設置するのを支援するために、光学的手段以外の方法で目視することができる参照リングを設けた装置である。視認参照リングは、血管内カテーテル設置技術を利用して一時的に設置されるように設計されている。これに代わる例として、外科技術、または、観血を最小限にした技術、すなわち、内視鏡検査技術を利用して、参照リングを設置してもよい。
事前に形成された円形の配備形状を回復する。視認用参照リング900を搬送用カテーテル910から外へ出るように引き続き前進させることで、遠位部902は外側の左心室壁934と内側の僧帽弁小葉または腱索916との間に形成された環状の空間の中を通過しながら、左心室930の周囲の概ね円形の経路を移動する。視認用参照リング900は、僧帽弁輪840に対して弁下並置して配備されるまで、前進させられる。
Claims (13)
- 心臓弁輪形成リングの移植を支援する装置であって、前記装置は細長い可撓性のシャフトを備えており、前記細長い可撓性のシャフトは、その遠位部に沿って参照リングの輪郭が画定されており、前記参照リングは、事前に形成された配備形状と、真直ぐな搬送形状の間で弾性的に変形自在であり、前記配備形状は、少なくとも1個のコイルを有しており、前記コイルの寸法と形状は、前記弁輪形成リングの寸法および形状に近似しており、前記細長い可撓性のシャフトは、搬送用カテーテルから外に出て近位方向に延びるような寸法に設けられた近位端を有し、前記参照リングは、前記弁輪形成リングを移植した後で、搬送用カテーテルの中に後退させられるように構成され、
前記参照リングは芯材に固定された被覆材が配置されている、
ことを特徴とする装置。 - 前記参照リングは、放射線撮像法、X線透視法、超音波撮像法、経胸腔心エコー検査法(TTE)、経食道心エコー検査法(TEE)、心臓磁気共鳴検査法(CMR)、磁気共鳴画像化検査法(MRI)や磁気共鳴血管形成法(MRA)からなる群から選択された少なくとも1種類の画像化技術によって目視することができる素材を含んでいることを特徴とする、請求項1に記載の装置。
- 前記参照リングは少なくとも1個の放射線不透過性マーカーを含んでいることを特徴とする、請求項1に記載の装置。
- 前記配備形状は螺旋形を含んでいることを特徴とする、請求項1に記載の装置。
- 前記芯材には先細り状の遠位端が設けられていることを特徴とする、請求項1に記載の装置。
- 前記芯材は、ニチノール、ステンレス鋼、経年硬化性のニッケル−コバルト−クロミウム−モリブデン合金、工学的に製造された可塑材、各種アミド、各種ポリイミド、各種ポリオレフィン、各種ポリエステル、各種ウレタン、各種熱可塑材、各種熱硬化性可塑材、これらの各種混合物、各種積層体、各種共重合体、各種組合せからなる群から選択された生態適合性素材を含んでいることを特徴とする、請求項1に記載の装置。
- 前記被覆材は超音波撮像法に基づいて目視することができる多孔性素材を含んでいることを特徴とする、請求項1に記載の装置。
- 前記被覆材は、強磁性粒子、常磁性粒子、反磁性粒子、極小の超常磁性酸化鉄(USPIO)、低分子重量のガドリニウムキレート、ガドリニウムテトラアザシクロドデカン四酢酸(Gd-DOTA)、パーフルオロオクチルブロミド(PFOB)からなる群から選択された素材を含んでいることを特徴とする、請求項1に記載の装置。
- 前記被覆材はバルーンを備えており、前記可撓性シャフトは膨張管腔を有しており、前記膨張管腔はバルーンの内部を装置の近位端の位置に配備された取付具と流体連絡状態にしていることを特徴とする、請求項1に記載の装置。
- 心臓弁輪形成リングの移植を支援するシステムであって、前記システムは、
細長い搬送用カテーテルを備えており、前記カテーテルには遠位端および近位端と、前記遠位端に隣接している出口ポートと、前記出口ポートから前記近位端まで延びている管腔が設けられており、
さらに、請求項1に記載の前記細長いシャフトを備え、前記細長いシャフトは、前記カテーテルの管腔の内部に滑動自在に配置されており、前記参照リングは前記カテーテルの出口ポートを通り抜けて拡張させることができるとともに、前記搬送用カテーテルによって拘束することができる真直ぐな搬送形状を取ることができ、前記細長い可撓性のシャフトは、前記細長い搬送用カテーテルから外に出て近位方向に延びた近位端を有し、前記参照リングは、前記弁輪形成リングを移植した後で、搬送用カテーテルの中に後退させられるように構成されることを特徴とするシステム。 - 前記出口ポートは側部ポートであることを特徴とする、請求項10に記載のシステム。
- 前記カテーテルは前記管腔内に傾斜面が配備されており、前記傾斜面は、前記参照リングを前記出口ポートと整合させるように位置と角度が設定されていることを特徴とする、請求項11に記載のシステム。
- 前記カテーテルには豚尾状の先端部が設けられていることを特徴とする、請求項10に記載のシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/069,335 US7955385B2 (en) | 2005-02-28 | 2005-02-28 | Device, system, and method for aiding valve annuloplasty |
US11/069,335 | 2005-02-28 | ||
PCT/US2006/004921 WO2006093656A1 (en) | 2005-02-28 | 2006-02-09 | Device, system, and method for aiding valve annuloplasty |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008532588A JP2008532588A (ja) | 2008-08-21 |
JP2008532588A5 JP2008532588A5 (ja) | 2009-04-02 |
JP4845894B2 true JP4845894B2 (ja) | 2011-12-28 |
Family
ID=36506688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007558036A Expired - Fee Related JP4845894B2 (ja) | 2005-02-28 | 2006-02-09 | 弁輪形成術を支援する装置およびシステム |
Country Status (4)
Country | Link |
---|---|
US (1) | US7955385B2 (ja) |
EP (1) | EP1861043B1 (ja) |
JP (1) | JP4845894B2 (ja) |
WO (1) | WO2006093656A1 (ja) |
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EP1861043A1 (en) | 2007-12-05 |
JP2008532588A (ja) | 2008-08-21 |
WO2006093656A1 (en) | 2006-09-08 |
US7955385B2 (en) | 2011-06-07 |
EP1861043B1 (en) | 2019-08-07 |
US20060195134A1 (en) | 2006-08-31 |
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