JP6705060B2 - ステント - Google Patents
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- JP6705060B2 JP6705060B2 JP2019514487A JP2019514487A JP6705060B2 JP 6705060 B2 JP6705060 B2 JP 6705060B2 JP 2019514487 A JP2019514487 A JP 2019514487A JP 2019514487 A JP2019514487 A JP 2019514487A JP 6705060 B2 JP6705060 B2 JP 6705060B2
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- stent
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- protrusion
- biodegradable
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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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/848—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents having means for fixation to the vessel wall, e.g. barbs
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)
- Media Introduction/Drainage Providing Device (AREA)
Description
11 ステント本体
13 開口
20,20A,20B,20C 被覆部材
21,21D カバー
25 シート
26 裏側
30,30A,30B,30C 突起
31 一端部
33 他端部
G 空隙
M 薬物
Claims (5)
- 体内に留置されるステントであって、
筒状をなし、その周方向に複数の開口を設けたステント本体と、
該ステント本体の外側及び/又は内側に配置され、前記ステント本体の、前記複数の開口の少なくとも一部を塞ぐ被覆部材と、
前記ステント本体の外側に配置されるように、前記被覆部材の表側から突設し、前記体内の病変部に係止可能とされた、複数の突起とを有しており、
前記複数の突起の少なくとも一部は、生分解性ポリマーからなる生分解部をなしており、該生分解部に薬物が含有されており、
前記被覆部材は、前記ステント本体の外側及び/又は内側に配置され、前記複数の開口の少なくとも一部を塞ぐカバーと、該カバーの表側に取付けられたシートとから構成されており、該シートの表側に前記複数の突起が設けられていることを特徴とするステント。 - 前記シートの、前記複数の突起が設けられた表側に対応する裏側以外の部分が、前記カバーに部分的に固着されている請求項1記載のステント。
- 前記カバーの表側と前記シートの裏側との間には、空隙が設けられている請求項1又は2記載のステント。
- 前記複数の突起は、前記ステント本体の外側から離れた一端部が、前記ステント本体の外側に近接した他端部に比べて、生分解されやすい材質及び/又は構造からなる請求項1〜3のいずれか1つに記載のステント。
- 体内に留置されるステントであって、
筒状をなし、その周方向に複数の開口を設けたステント本体と、
該ステント本体の外側及び/又は内側に配置され、前記ステント本体の、前記複数の開口の少なくとも一部を塞ぐ被覆部材と、
前記ステント本体の外側に配置されるように、前記被覆部材の表側から突設し、前記体内の病変部に係止可能とされた、複数の突起とを有しており、
前記複数の突起の少なくとも一部は、生分解性ポリマーからなる生分解部をなしており、該生分解部に薬物が含有されており、
前記複数の突起は、前記ステント本体の外側に近接した端部が、生体内溶解性の材質からなることを特徴とするステント。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017090703 | 2017-04-28 | ||
JP2017090703 | 2017-04-28 | ||
PCT/JP2018/016449 WO2018199019A1 (ja) | 2017-04-28 | 2018-04-23 | ステント |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2018199019A1 JPWO2018199019A1 (ja) | 2020-02-06 |
JP6705060B2 true JP6705060B2 (ja) | 2020-06-03 |
Family
ID=63919729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019514487A Active JP6705060B2 (ja) | 2017-04-28 | 2018-04-23 | ステント |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6705060B2 (ja) |
WO (1) | WO2018199019A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109998744B (zh) * | 2019-04-08 | 2020-12-22 | 吉林大学中日联谊医院 | 一种钛合金药物释放血管支架 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8778012B2 (en) * | 2012-11-27 | 2014-07-15 | Cormatrix Cardiovascular, Inc. | ECM constructs for tissue regeneration |
CA3010828A1 (en) * | 2008-01-17 | 2009-07-23 | Boston Scientific Scimed, Inc. | Stent with anti-migration feature |
EP2968688B1 (en) * | 2013-03-15 | 2018-08-08 | Boston Scientific Scimed, Inc. | Anti-migratory stent coating |
-
2018
- 2018-04-23 WO PCT/JP2018/016449 patent/WO2018199019A1/ja active Application Filing
- 2018-04-23 JP JP2019514487A patent/JP6705060B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JPWO2018199019A1 (ja) | 2020-02-06 |
WO2018199019A1 (ja) | 2018-11-01 |
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