JP6598152B2 - ステント - Google Patents
ステント Download PDFInfo
- Publication number
- JP6598152B2 JP6598152B2 JP2015186039A JP2015186039A JP6598152B2 JP 6598152 B2 JP6598152 B2 JP 6598152B2 JP 2015186039 A JP2015186039 A JP 2015186039A JP 2015186039 A JP2015186039 A JP 2015186039A JP 6598152 B2 JP6598152 B2 JP 6598152B2
- Authority
- JP
- Japan
- Prior art keywords
- stent
- link
- struts
- axial direction
- strut
- 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
Links
- 239000000463 material Substances 0.000 claims description 45
- 238000000354 decomposition reaction Methods 0.000 claims description 14
- 230000015556 catabolic process Effects 0.000 claims description 10
- 238000006731 degradation reaction Methods 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 229920006167 biodegradable resin Polymers 0.000 description 4
- 230000001684 chronic effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 208000037804 stenosis Diseases 0.000 description 2
- 230000036262 stenosis Effects 0.000 description 2
- 101000691618 Homo sapiens Inactive phospholipase C-like protein 1 Proteins 0.000 description 1
- 102100026207 Inactive phospholipase C-like protein 1 Human genes 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 208000007479 Orofaciodigital syndrome type 1 Diseases 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 210000000013 bile duct Anatomy 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000003038 endothelium Anatomy 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 238000002608 intravascular ultrasound Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012014 optical coherence tomography Methods 0.000 description 1
- 201000003455 orofaciodigital syndrome I Diseases 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 229920000848 poly(L-lactide-ε-caprolactone) Polymers 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 210000003708 urethra Anatomy 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
- A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
- A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
-
- 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
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
-
- 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
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
-
- 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
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2002/044—Oesophagi or esophagi or gullets
-
- 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
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2002/046—Tracheae
-
- 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
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2002/047—Urethrae
-
- 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
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
- A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
- A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
- A61F2002/91516—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other the meander having a change in frequency along the band
-
- 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
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
- A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
- A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
- A61F2002/91533—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other characterised by the phase between adjacent bands
-
- 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
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
- A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
- A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
- A61F2002/9155—Adjacent bands being connected to each other
- A61F2002/91575—Adjacent bands being connected to each other connected peak to trough
-
- 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
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
- A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
- A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
- A61F2002/9155—Adjacent bands being connected to each other
- A61F2002/91583—Adjacent bands being connected to each other by a bridge, whereby at least one of its ends is connected along the length of a strut between two consecutive apices within a band
-
- 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
-
- 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
-
- 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
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0071—Additional features; Implant or prostheses properties not otherwise provided for breakable or frangible
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- Physics & Mathematics (AREA)
- Gastroenterology & Hepatology (AREA)
- Pulmonology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Prostheses (AREA)
Description
110 ストラット(軸方向両端に位置するストラット)、
111 ストラット(軸方向のまわりに螺旋状に延在するストラット)、
510 ストラット(周方向に延在して無端の環状形状を形作るストラット)、
112 第1接続部、
113 第2接続部、
120 リンク部(分解期間が相対的に最も短いリンク部)、
130 リンク部、
140 リンク部(分解期間が相対的に最も長いリンク部)、
121、131、141 生分解性材料、
D1 軸方向、
D2 隙間を空けて隣り合うストラット同士の離間方向、
D3 ストラット同士の離間方向に対して交差する方向、
L 軸方向における一端から他端まで途切れることなく繋がる螺旋形状に沿った線。
Claims (8)
- 隙間が形成された円筒形状の外周を形作る線状のストラットと、生分解性材料を含み前記隙間で前記ストラット同士を接続する複数のリンク部と、を有するステントであって、
同一条件下での分解期間が異なる少なくとも2つの前記リンク部を有する、ステント。 - 前記円筒形状の軸方向両端の少なくとも一方に位置する前記ストラットと、当該少なくとも一方のストラットと隣り合う他の前記ストラットとは、分解期間が異なる少なくとも2つの前記リンク部のうち、分解期間が相対的に最も長い前記リンク部によって接続されている、請求項1に記載のステント。
- 分解期間が相対的に最も長い前記リンク部は、前記円筒形状の軸方向両端の前記ストラットと、当該両端のストラットのそれぞれと隣り合う他の前記ストラットとを接続している、請求項2に記載のステント。
- 前記隙間を空けて隣り合う前記ストラットと前記ストラットとの離間方向に対して交差する方向には、分解期間が異なる少なくとも2つの前記リンク部のそれぞれが、少なくとも1つおきに交互に配置されている、請求項1〜請求項3のうちのいずれか1つに記載のステント。
- 前記隙間を空けて隣り合う前記ストラットと前記ストラットとの離間方向に対して交差する方向には、分解期間が同じ複数の前記リンク部が、前記円筒形状の軸方向のまわり全周にわたって配置されている、請求項1〜請求項3のうちのいずれか1つに記載のステント。
- 前記円筒形状の軸方向の一端から他端まで、前記軸方向のまわりに螺旋状に延在する前記ストラットを有する、請求項1〜請求項5のうちのいずれか1つに記載のステント。
- 前記円筒形状の周方向に延在して無端の環状形状を形作る前記ストラットを有するとともに、当該ストラットが前記円筒形状の軸方向に複数同軸的に接続された構造を有し、当該構造には、前記円筒形状の軸方向における一端から他端まで、分解期間が相対的に最も短い前記リンク部を避けて途切れることなく繋がる螺旋形状が含まれている、請求項1〜請求項5のうちのいずれか1つに記載のステント。
- 前記生分解性材料を含む前記リンク部とは別に、非生分解性の金属によって形成された他のリンク部をさらに有する、請求項1〜請求項7のうちのいずれか1つに記載のステント。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015186039A JP6598152B2 (ja) | 2015-09-18 | 2015-09-18 | ステント |
CN201610827309.7A CN106551739A (zh) | 2015-09-18 | 2016-09-14 | 支架 |
US15/268,019 US20170079816A1 (en) | 2015-09-18 | 2016-09-16 | Stent |
EP16189117.1A EP3143967B1 (en) | 2015-09-18 | 2016-09-16 | Stent |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015186039A JP6598152B2 (ja) | 2015-09-18 | 2015-09-18 | ステント |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017056157A JP2017056157A (ja) | 2017-03-23 |
JP6598152B2 true JP6598152B2 (ja) | 2019-10-30 |
Family
ID=56943377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015186039A Active JP6598152B2 (ja) | 2015-09-18 | 2015-09-18 | ステント |
Country Status (4)
Country | Link |
---|---|
US (1) | US20170079816A1 (ja) |
EP (1) | EP3143967B1 (ja) |
JP (1) | JP6598152B2 (ja) |
CN (1) | CN106551739A (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2967939A4 (en) * | 2013-03-14 | 2016-12-14 | Palmaz Scient Inc | MONOLITHIC MEDICAL DEVICE AND METHODS OF MAKING AND USING |
CN116115286B (zh) * | 2022-03-14 | 2024-06-07 | 杭州亿科医疗科技有限公司 | 一种贴壁性好的血管支架 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH039746A (ja) * | 1989-03-27 | 1991-01-17 | Olympus Optical Co Ltd | 生体内留置型ステント |
US8663311B2 (en) * | 1997-01-24 | 2014-03-04 | Celonova Stent, Inc. | Device comprising biodegradable bistable or multistable cells and methods of use |
ES2348078T3 (es) | 1998-11-20 | 2010-11-29 | Boston Scientific Limited | Stent expansible flexible longitudinalmente. |
US20070219642A1 (en) * | 1998-12-03 | 2007-09-20 | Jacob Richter | Hybrid stent having a fiber or wire backbone |
US6258117B1 (en) * | 1999-04-15 | 2001-07-10 | Mayo Foundation For Medical Education And Research | Multi-section stent |
US20050222671A1 (en) * | 2004-03-31 | 2005-10-06 | Schaeffer Darin G | Partially biodegradable stent |
EP1965730A4 (en) * | 2005-12-30 | 2009-06-17 | Bard Inc C R | VASCULAR STENT WITH BIORESORBABLE CONNECTOR AND METHODS |
US7794776B1 (en) * | 2006-06-29 | 2010-09-14 | Abbott Cardiovascular Systems Inc. | Modification of polymer stents with radiation |
EP3061791B1 (en) * | 2006-07-20 | 2019-01-16 | OrbusNeich Medical, Inc. | Bioabsorbable polymeric composition for a medical device |
JP4871692B2 (ja) * | 2006-09-29 | 2012-02-08 | テルモ株式会社 | 生体内留置用ステントおよび生体器官拡張器具 |
EP1958597A1 (de) * | 2007-02-16 | 2008-08-20 | Universität Zürich | Rohrförmige Stützprothese mit Herzklappe insbesondere für Aortenklappenersatz |
US8617237B2 (en) * | 2007-02-16 | 2013-12-31 | Universität Zürich | Tubular supporting prosthesis with a heart valve, in particular for aortic valve replacement |
US8273404B2 (en) * | 2008-05-19 | 2012-09-25 | Cordis Corporation | Extraction of solvents from drug containing polymer reservoirs |
KR101006972B1 (ko) * | 2009-02-19 | 2011-01-12 | 신경민 | 음식물 역류방지와 체내 분해가 가능한 스텐트 |
US20100292776A1 (en) * | 2009-05-14 | 2010-11-18 | Boston Scientific Scimed, Inc. | Bioerodible Endoprosthesis |
US20110066223A1 (en) * | 2009-09-14 | 2011-03-17 | Hossainy Syed F A | Bioabsorbable Stent With Time Dependent Structure And Properties |
JP5661334B2 (ja) * | 2010-05-26 | 2015-01-28 | テルモ株式会社 | ステント |
EP2774585B1 (en) * | 2011-11-02 | 2016-07-06 | Nipro Corporation | Stent |
CN105578995B (zh) * | 2013-09-27 | 2018-05-18 | 泰尔茂株式会社 | 支架 |
-
2015
- 2015-09-18 JP JP2015186039A patent/JP6598152B2/ja active Active
-
2016
- 2016-09-14 CN CN201610827309.7A patent/CN106551739A/zh active Pending
- 2016-09-16 EP EP16189117.1A patent/EP3143967B1/en active Active
- 2016-09-16 US US15/268,019 patent/US20170079816A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CN106551739A (zh) | 2017-04-05 |
US20170079816A1 (en) | 2017-03-23 |
EP3143967B1 (en) | 2021-11-03 |
EP3143967A1 (en) | 2017-03-22 |
JP2017056157A (ja) | 2017-03-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6756652B2 (ja) | 制御可能にin vivo(体内で)分断するように構成された少なくとも1つの連結部材を有するステント | |
JP3682674B2 (ja) | 調節的分離ステント | |
JP5925654B2 (ja) | ファイバー又はワイヤーからなるバックボーンを有するハイブリッドステント | |
TW201601697A (zh) | 具螺旋狀結構與特定橫截面之血管支架 | |
WO2012120953A1 (ja) | ステント | |
JP6598152B2 (ja) | ステント | |
MXPA05002391A (es) | Injerto stent flexible. | |
KR20090054493A (ko) | 원통형 스텐트 | |
JP7051299B2 (ja) | ステント | |
WO2017158985A1 (ja) | ステント | |
WO2017130803A1 (ja) | ステント | |
KR102674154B1 (ko) | 스텐트 | |
US20170281374A1 (en) | Stent | |
US10722389B2 (en) | Endoluminal stent | |
WO2021131857A1 (ja) | ステント | |
JP2015156967A (ja) | ステントデリバリーシステム | |
WO2018047520A1 (ja) | ステント | |
JP5960463B2 (ja) | 生体内留置用ステントおよび生体器官拡張器具 | |
WO2017130747A1 (ja) | ステント | |
WO2018047519A1 (ja) | ステント | |
EP3431050A1 (en) | Stent | |
JP2016187436A (ja) | ステント、当該ステントを消化管に留置する方法 | |
JP2021129982A (ja) | ステント | |
JP2023118339A (ja) | ステント | |
AU2014201135B2 (en) | Flexible stent |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20180813 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20190531 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190702 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20190903 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20190924 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6598152 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |