JP2022166313A - 個別化冠状動脈ステント - Google Patents
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- A—HUMAN NECESSITIES
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- 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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
- A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes
- A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/10—Computer-aided planning, simulation or modelling of surgical operations
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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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/844—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents folded prior to deployment
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/10—Computer-aided planning, simulation or modelling of surgical operations
- A61B2034/101—Computer-aided simulation of surgical operations
- A61B2034/102—Modelling of surgical devices, implants or prosthesis
- A61B2034/104—Modelling the effect of the tool, e.g. the effect of an implanted prosthesis or for predicting the effect of ablation or burring
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/10—Computer-aided planning, simulation or modelling of surgical operations
- A61B2034/101—Computer-aided simulation of surgical operations
- A61B2034/105—Modelling of the patient, e.g. for ligaments or bones
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/10—Computer-aided planning, simulation or modelling of surgical operations
- A61B2034/108—Computer aided selection or customisation of medical implants or cutting guides
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
- A61B2034/2046—Tracking techniques
- A61B2034/2048—Tracking techniques using an accelerometer or inertia sensor
-
- 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
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/37—Surgical systems with images on a monitor during operation
- A61B2090/373—Surgical systems with images on a monitor during operation using light, e.g. by using optical scanners
- A61B2090/3735—Optical coherence tomography [OCT]
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- 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
- A61B2090/3966—Radiopaque markers visible in an X-ray image
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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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
- A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes
- A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
- A61F2002/9155—Adjacent bands being connected to each other
- A61F2002/91575—Adjacent bands being connected to each other connected peak to trough
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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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/958—Inflatable balloons for placing stents or stent-grafts
- A61F2002/9583—Means for holding the stent on the balloon, e.g. using protrusions, adhesives or an outer sleeve
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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
- A61F2240/00—Manufacturing or designing of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2240/001—Designing or manufacturing processes
- A61F2240/002—Designing or making customized prostheses
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Abstract
【解決手段】血管の実際の形状の3Dモデルに応答して、血管の非狭窄形状の3Dモデルを生成することと、しぼんだ構成から、非狭窄形状に並置される最終構成に拡張されるステントのパラメータ記述を確立することと、しぼんだ構成と最終構成の間での塑性変形中にステント支柱が破損するリスクを含んだ発見的設計に応答して、パラメータ記述のパラメータを変えることによってステント用の設計を作り出すことと、ステント用の設計に従ってステントを具体化することと、ステントをそのしぼんだ構成で血管に挿入することと、血管を通って狭窄部に至るようにステントを操作することと、ステントをその最終構成に拡張することとを含む方法。
【選択図】図9
Description
本発明は、システム、方法、またはコンピュータ・プログラム製品、あるいはそれらの組合せであってもよい。コンピュータ・プログラム製品は、本発明の態様をプロセッサに実施させるためのコンピュータ読取り可能プログラム命令を有するコンピュータ読取り可能な1つ(または複数)の記憶媒体を含んでもよい。
302 非狭窄形状
304 狭窄形状
306 狭窄部
308 血管壁
402 個別化冠状動脈ステント
403 汎用ステント・テンプレート
406 候補構成
416 しぼんだ構成
412 慣性力
418 修正されたステント・テンプレート
420 新しい候補構成
500 細部
502,504 アーチ
506 支柱
508 アーチの頂点
510 ブリッジ
702 マンドレル
704 マンドレル・テンプレート
705 膜
706 柱
707 案内区分
708 マーカ
802 バルーン・カテーテル
1002 スリーブ
1006 指部
1010 ブリッジ
Claims (12)
- ステントを提供する方法であって、
血管の実際の形状の三次元(3D)モデルに応答して、前記血管の非狭窄形状の3Dモデルを生成することと、
ステントのパラメータ記述を確立することであって、前記ステントは、複数の支柱を含み、前記ステントは、血管に挿入できる所定の構成から、前記複数の支柱の間の間隙が広がることにより前記非狭窄形状に並置される最終構成に拡張することができるものであり、前記パラメータ記述が、前記ステントの支柱の寸法を特徴付けるパラメータを含む、前記確立することと、
機械的応力/ひずみ解析により、前記所定の構成と前記最終構成の間での前記ステントの塑性変形中に前記支柱が破損するリスクを有するか否かの判断をすることと、前記リスクを有すると判断されたことに従って前記パラメータ記述のパラメータを変えて前記判断を反復することとを含む発見的設計によって、前記ステント用の設計を作り出すことと、
前記ステント用の前記設計に従って前記ステントを具体化することと
を含む方法。 - 前記所定の構成の前記ステントを支持するマンドレルの形状を確立することと、
前記マンドレルの前記形状に従って前記マンドレルを具体化することと
をさらに含む、請求項1に記載の方法。 - 前記マンドレルの前記形状を確立することが、前記マンドレルの膜から突出する複数の柱を確立することであって、前記柱のうちの少なくとも1つが、前記柱のうちの少なくとも1つの他の柱との比較において、前記マンドレルの中心軸から異なる距離まで延在する、前記確立することを含む、請求項2に記載の方法。
- 前記マンドレルの前記形状を確立することが、前記所定の構成の前記ステントのブリッジを支持するように、前記マンドレルの前記柱を構成することを含む、請求項3に記載の方法。
- 前記マンドレルの前記形状を確立することが、前記マンドレルが伸長形状に拡張されたときに前記最終構成の前記ステントのブリッジも支持するように、前記マンドレルの前記柱を構成することを含む、請求項4に記載の方法。
- 前記マンドレルを具体化することが、前記マンドレルを3D印刷することを含み、前記ステントを具体化することが、前記ステントのブリッジが前記マンドレルの前記柱に位置合わせされるように前記マンドレルの周りに前記ステントを3D印刷することを含む、請求項3ないし5のいずれかに記載の方法。
- 前記ステントを具体化することが、前記最終構成の前記ステントを3D印刷することを含み、前記方法は、
前記最終構成から前記所定の構成に前記ステントをクリンプするのを容易にするようにスリーブの形状を確立することと、
前記スリーブの前記形状に従って前記スリーブを具体化することと
をさらに含む、請求項1ないし6のいずれかに記載の方法。 - 前記スリーブの前記形状が、概ね円筒形の本体、および前記本体から内向きに突出する複数の指部を含む、請求項7に記載の方法。
- 前記スリーブの前記形状を確立することが、前記指部のそれぞれに対応する前記ステントのブリッジを前記スリーブの中心軸に向く方向に均一な長さで変位させることによって前記ステントをその最終構成からその所定の構成に圧縮するように前記スリーブの前記指部を構成することを含む、請求項8に記載の方法。
- 前記スリーブを具体化することが、前記ステントの周りに前記スリーブを3D印刷することを含む、請求項7ないし9のいずれかに記載の方法。
- 前記所定の構成の前記ステントを支持するマンドレルの形状を確立することと、
前記マンドレルの前記形状に従って前記マンドレルを具体化することと、
前記ステントをその最終構成で前記マンドレルの周りに配置することと、
前記最終構成から前記所定の構成に前記ステントをクリンプするのを容易にするようにスリーブの形状を確立することと、
前記スリーブの前記形状に従って前記スリーブを具体化することと、
前記ステントの周りに前記スリーブを配置することと、
前記スリーブを使用して前記ステントの非対称的な複数のブリッジに前記スリーブの中心軸を向く均一な大きさの力を分散させることによって、前記マンドレルに前記ステントをクリンプすることと
をさらに含む、請求項1ないし10のいずれかに記載の方法。 - コンピュータ読取り可能媒体に記憶され、デジタル・コンピュータの内部メモリにロード可能なコンピュータ・プログラムであって、前記プログラムがコンピュータ上で走らされたときに、請求項1ないし11のいずれかに記載の方法を実施するためのソフトウェア・コード部分を含む、コンピュータ・プログラム。
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15/651,197 US10568696B2 (en) | 2017-07-17 | 2017-07-17 | Apparatus for supporting personalized coronary stents |
| US15/651,197 | 2017-07-17 | ||
| US15/859,558 US10568697B2 (en) | 2017-07-17 | 2017-12-31 | Personalized coronary stent methods |
| US15/859,558 | 2017-12-31 | ||
| PCT/IB2018/055253 WO2019016676A1 (en) | 2017-07-17 | 2018-07-16 | PERSONALIZED CORONARY ENDOPROSTHESES |
| JP2020501177A JP7164928B2 (ja) | 2017-07-17 | 2018-07-16 | 個別化冠状動脈ステント |
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| JP2020501177A Division JP7164928B2 (ja) | 2017-07-17 | 2018-07-16 | 個別化冠状動脈ステント |
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| JP2022166313A true JP2022166313A (ja) | 2022-11-01 |
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| JP2020501177A Active JP7164928B2 (ja) | 2017-07-17 | 2018-07-16 | 個別化冠状動脈ステント |
| JP2022134599A Pending JP2022166313A (ja) | 2017-07-17 | 2022-08-26 | 個別化冠状動脈ステント |
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|---|---|
| US (3) | US10568696B2 (ja) |
| JP (2) | JP7164928B2 (ja) |
| CN (1) | CN110891529B (ja) |
| DE (1) | DE112018003648B4 (ja) |
| GB (1) | GB2579290B (ja) |
| WO (1) | WO2019016676A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10568696B2 (en) | 2017-07-17 | 2020-02-25 | International Business Machines Corporation | Apparatus for supporting personalized coronary stents |
| WO2020185851A1 (en) * | 2019-03-11 | 2020-09-17 | The Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College | Anastomosing stent and methods of use |
| CN110403706B (zh) * | 2019-06-28 | 2021-06-01 | 吉林大学 | 一种结直肠术后肿瘤标本经肛取出充气式通道装置 |
| CN114556484A (zh) * | 2019-07-11 | 2022-05-27 | 克利夫兰临床基金会 | 用于基于模型的支架设计和放置的系统和方法 |
| WO2021194976A1 (en) | 2020-03-26 | 2021-09-30 | Medtronic, Inc. | Clamshell iris-style crimper for medical devices |
| US11844713B2 (en) * | 2020-08-06 | 2023-12-19 | Medtronic, Inc. | Iris-style crimpers for medical devices |
| CN112741690B (zh) * | 2020-12-31 | 2022-04-19 | 杭州脉流科技有限公司 | 用于血管支架释放的模拟方法、装置、计算机设备和存储介质 |
| CN113283023B (zh) * | 2021-04-30 | 2024-05-14 | 中国空间技术研究院 | 一种通用的航天器设备安装支架参数化构型设计方法 |
| JP2024540412A (ja) * | 2021-11-09 | 2024-10-31 | インフィニット コンポジッツ,インコーポレーテッド | 高性能複合圧力容器及び構造の付加製造プロセス |
| CN116211463B (zh) * | 2023-05-05 | 2023-08-01 | 杭州脉流科技有限公司 | 一种编织支架虚拟套叠装置 |
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| JP2004528858A (ja) * | 2000-10-04 | 2004-09-24 | トライバスキュラー・インコーポレイテッド | 医療デバイスの開発のための仮想的原型作製および試験 |
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