JP2016171949A - ステント - Google Patents
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- JP2016171949A JP2016171949A JP2015054221A JP2015054221A JP2016171949A JP 2016171949 A JP2016171949 A JP 2016171949A JP 2015054221 A JP2015054221 A JP 2015054221A JP 2015054221 A JP2015054221 A JP 2015054221A JP 2016171949 A JP2016171949 A JP 2016171949A
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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
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Abstract
【解決手段】ステント10は、筒状に形成された本体部15と、本体部15の軸線方向の両端部にそれぞれ接続され、造影用のマーカを取り付けるためのマーカ取付部16とを備える。マーカ取付部16は、本体部15に対して軸線方向に突出するように設けられている。マーカ取付部16を本体部15に接続する脚部17には、マーカ取付部16を本体部15の径方向外側へ向けて傾斜させる曲げ部21が設けられている。
【選択図】 図2
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端部に接続され、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、
前記マーカ取付部と前記本体部との接続部分には、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、前記本体部の軸線方向の両端部にそれぞれ接続されており、
前記本体部の前記両端部に設けられた各マーカ取付部の前記接続部分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接続部分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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