JP6546761B2 - ステント - Google Patents
ステント Download PDFInfo
- Publication number
- JP6546761B2 JP6546761B2 JP2015054221A JP2015054221A JP6546761B2 JP 6546761 B2 JP6546761 B2 JP 6546761B2 JP 2015054221 A JP2015054221 A JP 2015054221A JP 2015054221 A JP2015054221 A JP 2015054221A JP 6546761 B2 JP6546761 B2 JP 6546761B2
- Authority
- JP
- Japan
- Prior art keywords
- stent
- marker
- annular
- portions
- main body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
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- 239000003550 marker Substances 0.000 claims description 144
- 238000003384 imaging method Methods 0.000 claims description 2
- 210000004204 blood vessel Anatomy 0.000 description 35
- 238000002224 dissection Methods 0.000 description 16
- 238000006073 displacement reaction Methods 0.000 description 10
- 230000010339 dilation Effects 0.000 description 7
- 208000031481 Pathologic Constriction Diseases 0.000 description 6
- 238000005452 bending Methods 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 6
- 230000036262 stenosis Effects 0.000 description 6
- 208000037804 stenosis Diseases 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 230000004323 axial length Effects 0.000 description 4
- 238000010494 dissociation reaction Methods 0.000 description 4
- 230000005593 dissociations Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 210000005259 peripheral blood Anatomy 0.000 description 3
- 239000011886 peripheral blood Substances 0.000 description 3
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001000 nickel titanium Inorganic materials 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229910000925 Cd alloy Inorganic materials 0.000 description 1
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 229910017535 Cu-Al-Ni Inorganic materials 0.000 description 1
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical class [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
- 210000003708 urethra Anatomy 0.000 description 1
Images
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Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (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)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Prostheses (AREA)
Description
図4(a)及び(b)に示すように、搬送用カテーテル30は、管状をなす外側シャフト31及び内側シャフト32を備える。これら各シャフト31,32はいずれも樹脂材料により形成されている。外側シャフト31の内部には内側シャフト32が挿通されている。外側シャフト31は、かかる挿通状態において内側シャフト32に対して軸線方向に相対変位可能とされている。
Claims (7)
- 筒状に形成された本体部と、
前記本体部の軸線方向の両端部にそれぞれ脚部を介して接続され、造影用のマーカを取り付けるためのマーカ取付部と、を備え、
前記各マーカ取付部は、前記本体部に対して前記軸線方向に突出するように設けられ、
前記各マーカ取付部ごとに、前記マーカ取付部と前記本体部との接続部分である前記脚部に、前記マーカ取付部を前記本体部の径方向外側へ向けて傾斜させる曲げ部が設けられていることを特徴とするステント。 - 前記マーカ取付部は、円環状に形成され、その内側に前記マーカが取り付けられていることを特徴とする請求項1に記載のステント。
- 前記マーカ取付部は、前記本体部の周方向に沿って所定の間隔で複数配置されており、
前記所定の間隔で配置された複数のマーカ取付部の各前記脚部にそれぞれ前記曲げ部が設けられていることを特徴とする請求項1又は2に記載のステント。 - 前記マーカ取付部には、当該マーカ取付部が前記軸線方向に対して傾斜する傾斜方向において前記本体部側とは反対側に突出する第1突起部が設けられていることを特徴とする請求項1乃至3のいずれか一項に記載のステント。
- 前記本体部は、
前記本体部の軸線周りに環状をなすとともに、前記軸線方向に並べて設けられた複数の環状部と、
前記複数の環状部のうち隣り合う環状部を接続するとともに、前記環状部の周方向に所定の間隔で配置された複数の接続部とを備え、
前記複数の接続部はいずれも前記軸線方向及び前記周方向の各成分を含む所定方向に延びており、
前記所定方向は、前記軸線方向に対する傾きよりも前記周方向に対する傾きの方が小さくなる方向となっていることを特徴とする請求項1乃至4のいずれか一項に記載のステント。 - 前記マーカ取付部には、前記本体部の周方向に突出する第2突起部が設けられていることを特徴とする請求項5に記載のステント。
- 前記本体部は、
前記本体部の軸線周りに環状をなすとともに、前記軸線方向に間隔をおいて2つだけ設けられた環状部と、
それら2つの環状部を接続する接続部とを備えることを特徴とする請求項1乃至6のいずれか一項に記載のステント。
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JP2015054221A JP6546761B2 (ja) | 2015-03-18 | 2015-03-18 | ステント |
PCT/JP2016/058220 WO2016148162A1 (ja) | 2015-03-18 | 2016-03-16 | ステント |
EP16764991.2A EP3272317A4 (en) | 2015-03-18 | 2016-03-16 | Stent |
CN201680008410.8A CN107205833B (zh) | 2015-03-18 | 2016-03-16 | 支架 |
US15/699,296 US10779973B2 (en) | 2015-03-18 | 2017-09-08 | Stent |
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US8128677B2 (en) | 2007-12-12 | 2012-03-06 | Intact Vascular LLC | Device and method for tacking plaque to a blood vessel wall |
US10166127B2 (en) | 2007-12-12 | 2019-01-01 | Intact Vascular, Inc. | Endoluminal device and method |
US7896911B2 (en) | 2007-12-12 | 2011-03-01 | Innovasc Llc | Device and method for tacking plaque to blood vessel wall |
US10285831B2 (en) | 2011-06-03 | 2019-05-14 | Intact Vascular, Inc. | Endovascular implant |
US9375336B1 (en) | 2015-01-29 | 2016-06-28 | Intact Vascular, Inc. | Delivery device and method of delivery |
US9433520B2 (en) | 2015-01-29 | 2016-09-06 | Intact Vascular, Inc. | Delivery device and method of delivery |
US10993824B2 (en) | 2016-01-01 | 2021-05-04 | Intact Vascular, Inc. | Delivery device and method of delivery |
US11660218B2 (en) | 2017-07-26 | 2023-05-30 | Intact Vascular, Inc. | Delivery device and method of delivery |
CN107714244A (zh) * | 2017-10-26 | 2018-02-23 | 柏为(武汉)医疗科技股份有限公司 | 静脉血管自膨支架 |
US20200146852A1 (en) * | 2018-11-13 | 2020-05-14 | Icad Endovascular Llc | Systems and methods for delivery retrievable stents |
CN113069256B (zh) * | 2021-03-26 | 2022-12-09 | 珠海通桥医疗科技有限公司 | 一种颅内柔性闭环支架 |
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WO2016148162A1 (ja) | 2016-09-22 |
CN107205833A (zh) | 2017-09-26 |
US10779973B2 (en) | 2020-09-22 |
US20170367856A1 (en) | 2017-12-28 |
EP3272317A1 (en) | 2018-01-24 |
CN107205833B (zh) | 2020-03-10 |
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JP2016171949A (ja) | 2016-09-29 |
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