JP2007503856A - 人工心臓弁 - Google Patents
人工心臓弁 Download PDFInfo
- Publication number
- JP2007503856A JP2007503856A JP2006524218A JP2006524218A JP2007503856A JP 2007503856 A JP2007503856 A JP 2007503856A JP 2006524218 A JP2006524218 A JP 2006524218A JP 2006524218 A JP2006524218 A JP 2006524218A JP 2007503856 A JP2007503856 A JP 2007503856A
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- Prior art keywords
- tongue
- heart valve
- annular body
- prosthetic heart
- blood
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- 210000003709 heart valve Anatomy 0.000 title claims abstract description 93
- 230000017531 blood circulation Effects 0.000 claims abstract description 44
- 239000008280 blood Substances 0.000 claims abstract description 34
- 210000004369 blood Anatomy 0.000 claims abstract description 34
- 210000000709 aorta Anatomy 0.000 claims abstract description 22
- 210000004115 mitral valve Anatomy 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 8
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- 230000000747 cardiac effect Effects 0.000 abstract description 2
- 210000002105 tongue Anatomy 0.000 description 111
- 230000023555 blood coagulation Effects 0.000 description 6
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- 206010053567 Coagulopathies Diseases 0.000 description 1
- 206010048705 Paraneoplastic cerebellar degeneration Diseases 0.000 description 1
- 208000017787 Paraneoplastic neurologic syndrome Diseases 0.000 description 1
- 229910001362 Ta alloys Inorganic materials 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
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Images
Classifications
-
- 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
- A61F2/2403—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 with pivoting rigid closure members
Landscapes
- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
Description
Claims (17)
- 大動脈または心臓の僧帽弁の舌片環の内部に装着するための環状体と、前記環状体の外周部に大動脈または心臓の僧帽弁の舌片環を支持し、血流路の内部に舌片要素を回動支持構造により回動可能に外科的手術により支持するための手段と、回動支持構造の回動位置に対応して前記血流路を開閉する舌片要素と、前記環状体に周方向に離隔して支持されかつ前記血流路の内部へ延びる突片と、前記突片が血流路の内部へ延びる端部に設けた前記舌片要素を回動可能に支持する回動関節とを具備することを特徴とする、大動脈または心臓弁の交換に用いる人工心臓弁。
- 前記突片の前記血液流路の内方へ突出して離隔する端部に、前記血液流路を通過する血液の流れの方向に整列されたウエブを備えられて、前記回動支持構造を形成する、請求項1に記載の人工心臓弁。
- 前記舌片要素は部分的に円形の、前記舌片要素の回動軸に沿つて両側に対称に形成したくぼみを有し、前記突片は前記くぼみに前記舌片要素を係合する球形の端部を有する、請求項1に記載の人工心臓弁。
- 前記各突片の前記ウエブの少くとも1つは前記突片と一体に形成される、請求項2に記載の人工心臓弁。
- 前記舌片要素は前記くぼみの領域で、2つの離隔されたウエブの間に前記舌片要素の回動を許すように係合する、請求項3に記載の人工心臓弁。
- 弁を通過する血液について、舌片に係合する複数のウエブの内の下流側のウエブは、環状体を通過する血液の方向に対し垂直に延び、かつ前記舌片要素の開閉動作中前記舌片要素が転動する湾曲した関節面を有する、請求項5に記載の人工心臓弁。
- 舌片に係合するウエブの内の上流側のウエブは、環状体を通過する血液の方向に対し垂直に延び、舌片の開位置と閉位置をそれぞれ区画する2つの止めを備えている、請求項6に記載の人工心臓弁。
- 前記舌片要素は球状に湾曲している、請求項1に記載の人工心臓弁。
- 前記舌片要素は前記舌片要素の閉位置で前記舌片の回動軸から内方へ延びる先のとがつた部分と、回動軸の反対側に配設された丸み部分とを有し、前記先のとがつた部分と前記丸み部分が互いに交差する、請求項3に記載の人工心臓弁。
- 前記弁は3つの舌片要素を備えている、請求項1に記載の人工心臓弁。
- 前記弁の開位置で前記突片と各舌弁要素との間に、1つの中央流路と3つの周方向流路との4つの流路が備えられ、弁の回動軸の配置と弁環の形状が、4つ全ての血流路がほぼ同じ流路断面をなすように形成されている、請求項10に記載の人工心臓弁。
- 前記環状体を通る内部流路の断面が、前記突片の上流端から前記突片の方へ縮小し、かつ前記突片の領域から前記内部流路の下流端の方へ再び拡大する、請求項1に記載の人工心臓弁。
- 前記環状体の外側断面が前記突片が配設されている平断面の方へ拡大する、請求項1に記載の人工心臓弁。
- 前記環状体は2つの離隔する環状溝を備えている、請求項1に記載の人工心臓弁。
- 縫合環が前記環状溝の1つに緊密に係合されている、請求項14に記載の人工心臓弁。
- 前記環状体と前記舌片要素はチタンとチタン合金の内の1つからなる、請求項1に記載の人工心臓弁。
- 前記環状体と前記舌片要素の内の少なくとも1つは硬質材料被膜で被覆されている、請求項1に記載の人工心臓弁。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10340265A DE10340265A1 (de) | 2003-08-29 | 2003-08-29 | Prothese zum Ersatz der Aorten- und/oder Mitralklappe des Herzens |
PCT/DE2004/001866 WO2005023155A1 (de) | 2003-08-29 | 2004-08-23 | Prothese zum ersatz der aorten- und/oder mitralklappe des herzens |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007503856A true JP2007503856A (ja) | 2007-03-01 |
JP4545149B2 JP4545149B2 (ja) | 2010-09-15 |
Family
ID=34202304
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006524218A Expired - Fee Related JP4545149B2 (ja) | 2003-08-29 | 2004-08-23 | 人工心臓弁 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6991649B2 (ja) |
EP (1) | EP1703865B1 (ja) |
JP (1) | JP4545149B2 (ja) |
AT (1) | ATE458455T1 (ja) |
CA (1) | CA2441846A1 (ja) |
DE (2) | DE10340265A1 (ja) |
WO (1) | WO2005023155A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010525846A (ja) * | 2007-05-02 | 2010-07-29 | ラペイヤー インダストリーズ エルエルシー | 人工心臓弁 |
JP2015508004A (ja) * | 2012-02-28 | 2015-03-16 | ムバルブ・テクノロジーズ・リミテッド | 単リング型心臓弁支持構造体 |
Families Citing this family (224)
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Also Published As
Publication number | Publication date |
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WO2005023155A1 (de) | 2005-03-17 |
ATE458455T1 (de) | 2010-03-15 |
US20050049697A1 (en) | 2005-03-03 |
US6991649B2 (en) | 2006-01-31 |
CA2441846A1 (en) | 2005-02-28 |
DE10340265A1 (de) | 2005-04-07 |
JP4545149B2 (ja) | 2010-09-15 |
EP1703865A1 (de) | 2006-09-27 |
EP1703865B1 (de) | 2010-02-24 |
DE502004010822D1 (de) | 2010-04-08 |
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