JP2013183994A - 心臓矯正ネット - Google Patents
心臓矯正ネット Download PDFInfo
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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
- A61F2/2478—Passive devices for improving the function of the heart muscle, i.e. devices for reshaping the external surface of the heart, e.g. bags, strips or bands
- A61F2/2481—Devices outside the heart wall, e.g. bags, strips or bands
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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
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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
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/18—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B37/00—Auxiliary apparatus or devices for use with knitting machines
- D04B37/02—Auxiliary apparatus or devices for use with knitting machines with weft knitting machines
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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
- A61B2017/00526—Methods of manufacturing
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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
- A61B2017/00743—Type of operation; Specification of treatment sites
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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
- 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
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2/30942—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques
- A61F2002/30948—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques using computerized tomography, i.e. CT scans
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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
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2210/0004—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof bioabsorbable
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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
-
- 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
- A61F2240/004—Using a positive or negative model, e.g. moulds
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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
- 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
- A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
- A61F2250/003—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in adsorbability or resorbability, i.e. in adsorption or resorption time
- A61F2250/0031—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in adsorbability or resorbability, i.e. in adsorption or resorption time made from both resorbable and non-resorbable prosthetic parts, e.g. adjacent parts
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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
- 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
- A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
- A61F2250/0041—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in wear resistance
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2509/00—Medical; Hygiene
- D10B2509/08—Hernia repair mesh
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Abstract
【解決手段】心臓矯正ネット1は、心臓3の外側に装着されることにより、心臓3が過剰に拡張するのを抑制する医療装具であり、心室の外側を包囲する範囲全体のうち、右室3A側の範囲に含まれる一部の範囲を第一範囲1A、右室3A側の範囲で第一範囲1Aの周囲を取り囲む範囲及び左室3B側の範囲を第二範囲1Bとして、心臓拡張期における心臓に対する接触圧が、第一範囲1Aにおいて第二範囲1Bよりも低くなる構造とされている。具体的には、第一範囲1Aには、心臓矯正ネット1の内側と外側との間を貫通する貫通孔1Cが形成されている。
【選択図】図1
Description
すなわち、上述のような心臓矯正ネットは、心室を周囲から拘束することにより、左室が過剰に拡張するのを抑制することで、心臓の形状を整え、心臓(左室)の収縮能を改善するものである。しかし、心室を周囲から拘束する場合、その拘束力が強すぎると、左室の拡張が抑制されるのはもちろんのこと、心室壁が薄い右室の拡張がより高度に阻害されることになる。そのため、右室においては拡張期の容量低下及び圧上昇を招くおそれがあり、右心系の機能不全ひいては心拍出量に代表される心臓全体の機能を低下させる一因にもなり得る。
本発明の心臓矯正ネットは、心臓の外側に装着されることにより、心臓が過剰に拡張するのを抑制する心臓矯正ネットであって、心室の外側を包囲する範囲全体のうち、右室側の範囲に含まれる一部の範囲を第一範囲、右室側の範囲で前記第一範囲の周囲を取り囲む範囲及び左室側の範囲を第二範囲として、前記第一範囲は、心臓拡張期における心臓に対する接触圧が、前記第二範囲よりも低くなる構造とされていることを特徴とする。
[第一実施形態]
第一実施形態として例示する心臓矯正ネット1は、図1に示すように、心臓3の外側に装着されることにより、心臓3が過剰に拡張するのを抑制する医療装具である。
第二実施形態として例示する心臓矯正ネット31は、図3に示すように、第一実施形態同様、心臓3の外側に装着される医療装具である。この心臓矯正ネット31も、心室の外側を包囲する範囲全体のうち、右室3A側の範囲に含まれる一部の範囲を第一範囲31A、右室3A側の範囲で第一範囲31Aの周囲を取り囲む範囲及び左室3B側の範囲を第二範囲31Bとして、心臓拡張期における心臓に対する接触圧が、第一範囲31Aにおいて第二範囲31Bよりも低くなる構造とされている点は、第一実施形態と同様である。
以上、本発明の実施形態について説明したが、本発明は上記の具体的な一実施形態に限定されず、この他にも種々の形態で実施することができる。
Claims (4)
- 心臓の外側に装着されることにより、心臓が過剰に拡張するのを抑制する心臓矯正ネットであって、
心室の外側を包囲する範囲全体のうち、右室側の範囲に含まれる一部の範囲を第一範囲、右室側の範囲で前記第一範囲の周囲を取り囲む範囲及び左室側の範囲を第二範囲として、前記第一範囲は、心臓拡張期における心臓に対する接触圧が、前記第二範囲よりも低くなる構造とされている
ことを特徴とする心臓矯正ネット。 - 前記第一範囲は、心臓矯正ネットの内側と外側との間を貫通する貫通孔が形成された範囲である
ことを特徴とする請求項1に記載の心臓矯正ネット。 - 前記第一範囲は、体内で分解されて消滅する吸収糸で編成された範囲であり、
前記第二範囲は、体内で分解されることなく残留する非吸収糸で編成された範囲であり、
前記第一範囲は、前記吸収糸の分解に伴って、心臓拡張期における心臓に対する接触圧が、前記第二範囲よりも低くなる
ことを特徴とする請求項1に記載の心臓矯正ネット。 - 心臓を撮影対象として、断層撮影装置によって複数の断層画像を撮影し、各断層画像から、心臓の拡張末期に対応する断層画像を抽出するとともに、抽出した断層画像内にある心臓の輪郭を抽出し、抽出された前記輪郭に基づいて、心臓の立体的な形状を表す三次元データを作成し、三次元形状を表す編成データに基づいて編み糸を立体的な形状に編成可能な編み機に対し、前記三次元データに基づいて作成された前記編成データを与えることにより、前記心臓に合致する形状を持つ編み地を編成してなる
ことを特徴とする請求項1〜請求項3のいずれか一項に記載の心臓矯正ネット。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012053365A JP6084775B2 (ja) | 2012-03-09 | 2012-03-09 | 心臓矯正ネット |
EP13758466.0A EP2823769B1 (en) | 2012-03-09 | 2013-03-08 | Heart correction net |
PCT/JP2013/056512 WO2013133425A1 (ja) | 2012-03-09 | 2013-03-08 | 心臓矯正ネット |
US14/383,923 US10016277B2 (en) | 2012-03-09 | 2013-03-08 | Heart correction net |
CN201380013202.3A CN104203119B (zh) | 2012-03-09 | 2013-03-08 | 心脏矫正网 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012053365A JP6084775B2 (ja) | 2012-03-09 | 2012-03-09 | 心臓矯正ネット |
Publications (2)
Publication Number | Publication Date |
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JP2013183994A true JP2013183994A (ja) | 2013-09-19 |
JP6084775B2 JP6084775B2 (ja) | 2017-02-22 |
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JP2012053365A Active JP6084775B2 (ja) | 2012-03-09 | 2012-03-09 | 心臓矯正ネット |
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US (1) | US10016277B2 (ja) |
EP (1) | EP2823769B1 (ja) |
JP (1) | JP6084775B2 (ja) |
CN (1) | CN104203119B (ja) |
WO (1) | WO2013133425A1 (ja) |
Families Citing this family (20)
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US8579964B2 (en) | 2010-05-05 | 2013-11-12 | Neovasc Inc. | Transcatheter mitral valve prosthesis |
US9554897B2 (en) | 2011-04-28 | 2017-01-31 | Neovasc Tiara Inc. | Methods and apparatus for engaging a valve prosthesis with tissue |
US9308087B2 (en) | 2011-04-28 | 2016-04-12 | Neovasc Tiara Inc. | Sequentially deployed transcatheter mitral valve prosthesis |
US9345573B2 (en) | 2012-05-30 | 2016-05-24 | Neovasc Tiara Inc. | Methods and apparatus for loading a prosthesis onto a delivery system |
US9572665B2 (en) | 2013-04-04 | 2017-02-21 | Neovasc Tiara Inc. | Methods and apparatus for delivering a prosthetic valve to a beating heart |
JP7002451B2 (ja) | 2015-12-15 | 2022-01-20 | ニオバスク ティアラ インコーポレイテッド | 経中隔送達システム |
WO2017127939A1 (en) | 2016-01-29 | 2017-08-03 | Neovasc Tiara Inc. | Prosthetic valve for avoiding obstruction of outflow |
JP6523193B2 (ja) * | 2016-03-08 | 2019-05-29 | 東芝メモリ株式会社 | ストレージシステム、情報処理システムおよび制御方法 |
CN109069272A (zh) * | 2016-04-29 | 2018-12-21 | 美敦力瓦斯科尔勒公司 | 具有带系绳的锚定件的假体心脏瓣膜设备以及相关联的系统和方法 |
CN113893064A (zh) | 2016-11-21 | 2022-01-07 | 内奥瓦斯克迪亚拉公司 | 用于快速收回经导管心脏瓣膜递送系统的方法和系统 |
US11779464B2 (en) | 2017-06-13 | 2023-10-10 | Wake Forest University Health Sciences | Customized ventricular support device |
US10856984B2 (en) | 2017-08-25 | 2020-12-08 | Neovasc Tiara Inc. | Sequentially deployed transcatheter mitral valve prosthesis |
CN113271890B (zh) | 2018-11-08 | 2024-08-30 | 内奥瓦斯克迪亚拉公司 | 经导管二尖瓣假体的心室展开 |
EP3789077B1 (en) * | 2019-02-26 | 2022-08-31 | iCorNet Laboratory Co., Ltd. | Cardiac support net and implantable defibrillator |
AU2020233892A1 (en) | 2019-03-08 | 2021-11-04 | Neovasc Tiara Inc. | Retrievable prosthesis delivery system |
WO2020206012A1 (en) | 2019-04-01 | 2020-10-08 | Neovasc Tiara Inc. | Controllably deployable prosthetic valve |
WO2020210652A1 (en) | 2019-04-10 | 2020-10-15 | Neovasc Tiara Inc. | Prosthetic valve with natural blood flow |
CN114025813B (zh) | 2019-05-20 | 2024-05-14 | 内奥瓦斯克迪亚拉公司 | 具有止血机构的引入器 |
WO2020257643A1 (en) | 2019-06-20 | 2020-12-24 | Neovasc Tiara Inc. | Low profile prosthetic mitral valve |
EP3892323A4 (en) * | 2020-02-27 | 2021-12-22 | iCorNet Laboratory Co., Ltd. | HEART NET WITH ELECTRODES |
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US20150018607A1 (en) | 2015-01-15 |
WO2013133425A1 (ja) | 2013-09-12 |
CN104203119B (zh) | 2018-03-30 |
EP2823769A1 (en) | 2015-01-14 |
US10016277B2 (en) | 2018-07-10 |
EP2823769A4 (en) | 2015-12-16 |
CN104203119A (zh) | 2014-12-10 |
JP6084775B2 (ja) | 2017-02-22 |
EP2823769B1 (en) | 2021-04-28 |
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