JP2002516143A - 自己拡張性部分を有するバルーン拡張型ステント - Google Patents
自己拡張性部分を有するバルーン拡張型ステントInfo
- Publication number
- JP2002516143A JP2002516143A JP2000550419A JP2000550419A JP2002516143A JP 2002516143 A JP2002516143 A JP 2002516143A JP 2000550419 A JP2000550419 A JP 2000550419A JP 2000550419 A JP2000550419 A JP 2000550419A JP 2002516143 A JP2002516143 A JP 2002516143A
- Authority
- JP
- Japan
- Prior art keywords
- stent
- self
- expandable
- expanding
- balloon
- 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.)
- Granted
Links
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 sheets 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 sheets 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
- 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 sheets or tubes, e.g. perforated by laser cuts or etched holes
-
- 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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/958—Inflatable balloons for placing stents or stent-grafts
-
- 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
- A61F2/06—Blood vessels
- A61F2002/065—Y-shaped blood vessels
-
- 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
- A61F2002/821—Ostial stents
-
- 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 sheets 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 sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
- A61F2002/91525—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 sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other within the whole structure different bands showing different meander characteristics, e.g. frequency or amplitude
-
- 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 sheets 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 sheets 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 sheets 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 sheets 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 sheets 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
- A61F2002/91558—Adjacent bands being connected to each other connected peak to peak
-
- 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
- A61F2250/0048—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 mechanical expandability, e.g. in mechanical, self- or balloon expandability
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)
- Physics & Mathematics (AREA)
- Vascular Medicine (AREA)
- Optics & Photonics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
Abstract
Description
る。
からなり、この支持部材が、胆管、尿路系、消化管あるいは血管内経皮経路など
の人体の各部に挿入されるものであるが、通常は動脈が前記血管内経皮経路とし
て知られており、この場合は特に血管ステントと称される。通常、ステントは概
ね円筒形であり、体内の所定位置に配置されると放射状に拡張するように設計及
び構成される。通常それらは、比較的小さな第一の径を持つ状態で挿入され、血
管内などの所望の領域に移植され、続いて、第一の径よりも大きな第二の径に達
するまでそので拡張せしめられる。通常は、カテーテルに付随するバルーンを使
用して、必要な内部半径方向の力をステントに与え、ステントを半径方向に拡張
する。バルーンのような内部半径方向の力を与える手段を使用せず、第一の径か
らそれより大きな第二の径へ拡張可能な自己拡張型ステントも知られている。そ
のような自己拡張型ステントの一つに、体温に晒されるとその第二の径まで拡張
する形状記憶金属で作られたステントがある。そのようなステントもまた知られ
ている。
拡張要素又は部分とを併せ持つ新型のステントを提唱するものである。より詳細
には、本発明による経管移植用ステントは複数の円筒形部分を好ましくは並設し
てなり、少なくとも一部分が自己拡張性であり、他の部分がバルーンカテーテル
などのように、その拡張に内部半径方向の力を必要とするものである。基本的に
、ステントは、少なくとも二つの前記部分により構成されるが、二以上の部分に
より構成されてもよい。上記構成は、搬送カテーテルからステントを放出する際
に、一部を即座に拡張させることにより、ステント設置を改善するものである。
の力を利用して拡張することが必要なステントを示している。好ましくは、該ス
テントは、一端がバルーン拡張性ステント14の近位端と隣接して結合された自
己拡張性部分12を有してなる。ステントの各部分は、従来技術による任意の公
知ステントに準拠して形成することができる。しなしながら自己拡張性部分12
は、ステントをその搬送カテーテル(非図示)から放出する際に体温において自
己拡張しうるように、ニチノールのような形状記憶金属で形成することが好まし
い。部分12が即座に拡張することにより、放出中のステント配置が容易になり
、この操作に続いてバルーン又は類似のものを使用して部分14を拡張させるこ
とができる。
するように、より大きな直径を持つか、フレア状に広がってなる。この構成は、
図2及び3に明瞭に示されており、これら図面は搬送カテーテルに装着された図
1のステントと同様のステント10を示している。図2は、二つの部分12及び
14を有してなるステントを示している。部分12は、自己拡張性部分であり、
一方、部分14は、ステント内側に総括的に符号18で示される搬送カテーテル
のバルーン16のように、拡張のために別の力を必要とするものである。図2に
おいては、放出又は配置前のステントが示されており、自己拡張性部分が引込み
式シース20により包囲されている。図3においては、前記シースが引き戻され
、自己拡張性部分12が外側に開いている。続いて、バルーン16を公知の方法
で使用して、部分14を拡張することができる。
テントを剥き出しにする引込み式シースを含んでなるので、図示の如く自己拡張
性部分12がステントの近位端に設けられる場合は、ステントの残りの部分がバ
ルーン拡張によって拡張するまで、最も確実にステントを所定位置に固定するこ
とができる。この配置は好ましいものであるが、ステント本体における他の部分
への配置も可能である。
叉又は分岐型である場合の血管内ステント配置において特に有用となる。このよ
うなステントが図4及び5に、符号10として模式的に示されている。図4は、
近位端部分12を有してなるステントを示しており、該近位端部分は自己拡張性
であり、一方、ステント本体の残りの部分14は、カテーテル18に装備された
バルーン16によりバルーン拡張可能なものである。図4においては、引込み式
シースが既に引き戻され、大動脈のような主要血管から分岐する血管24の入口
22において自己拡張性部分が拡張しており、その結果、より正確なステント配
置が容易になる。図5は、バルーンカテーテルにより部分14が拡張し、カテー
テルが引き戻された後のステントを示している。本発明によるステントは、分岐
口近傍での確実なステント配置を可能にするものである。
性部分とからなるものであってもよい。これら部分のどのような組み合わせも、
本発明の範囲内にあるものと思われる。例えば、図6を参照すると、バルーン膨
張性部分14の両端にそれぞれ自己拡張性部分12を有してなるステント10が
示されている。
一般に、二叉ステントは、三つの部分又は部材、すなわち一つの主幹と二つの分
岐とで構成される。本発明を利用するにあたって、三つの部分いずれも、必要に
応じてバルーン拡張性又は自己拡張性とすることができる。例えば、図7は、主
幹30、第一分岐32及び第二分岐34を有し、まだ拡張していない状態にある
二叉ステント10の一形態を模式的に示している。図示の如く、主幹30は前出
図面における部分12と同様に自己拡張性であり、分岐32及び34は、前出図
面における部分14と同様にバルーン拡張性である。
る二叉ステント10の他の形態を模式的に示している。この場合、主幹30及び
分岐23は共に自己拡張性であり、分岐34はバルーン拡張性である。
拡張性とすることも可能である。 以上の実施例及び開示は、例示的なものであって網羅的なものではない。これ
ら実施例及び説明は、当該分野の通常の知識を有する者に多くの変形及び代替を
暗示すると思われる。そのような代替及び変形の全ては、添付の請求項の範囲内
に含まれるものと思われる。また当該分野に精通した者であれば、ここで記載さ
れた具体的態様と等価なものを認識することが可能であり、そのような等価なも
のもここに添付の請求項に包含されるものと思われる。
示す模式図である。
す模式図である。
式図である。
式図である。
の力を利用して拡張することが必要なステントを示している。好ましくは、該ス
テントは、一端がバルーン拡張性ステント14の近位端と隣接して結合された自
己拡張性部分12を有してなる。ステントの各部分は、隣り合う帯に跨る要素に
よって相互に連結された複数の波形帯で形成されたステントを含む従来技術によ
る任意の公知ステントに準拠して形成することができる。ステント10の自己拡
張性部分12は一の波形帯13で構成され、バルーン拡張型ステント14は結合
要素17により相互に連結された複数の波形帯15で構成される。自己拡張性部
分12は、相互結合要素19によってバルーン拡張性部分14と結合される。し
かしながら自己拡張性部分12は、ステントをその搬送カテーテル(非図示)か
ら放出する際に体温において自己拡張しうるように、ニチノールのような形状記
憶金属で形成することが好ましい。部分12が即座に拡張することにより、放出
中のステント配置が容易になり、この操作に続いてバルーン又は類似のものを使
用して部分14を拡張させることができる。
性部分とからなるものであってもよい。これら部分のどのような組み合わせも、
本発明の範囲内にあるものと思われる。例えば、図6を参照すると、バルーン膨
張性部分114の両端にそれぞれ自己拡張性部分112を有してなるステント1
10が示されている。ステント110の自己拡張性部分112は波形帯113で構成されてなり、バル
ーン拡張型ステント114は、結合要素117によって相互に連結された複数の
波形帯115で構成されてなる。自己拡張性部分112は、相互結合要素119
によってバルーン拡張性部分114に結合されてなる。
からなり、この支持部材が、胆管、尿路系、消化管あるいは血管内経皮経路など
の人体の各部に挿入されるものであるが、通常は動脈が前記血管内経皮経路とし
て知られており、この場合は特に血管ステントと称される。通常、ステントは概
ね円筒形であり、体内の所定位置に配置されると放射状に拡張するように設計及
び構成される。通常それらは、比較的小さな第一の径を持つ状態で挿入され、血
管内などの所望の領域に移植され、続いて、第一の径よりも大きな第二の径に達
するまでそので拡張せしめられる。通常は、カテーテルに付随するバルーンを使
用して、必要な内部半径方向の力をステントに与え、ステントを半径方向に拡張
する。バルーンのような内部半径方向の力を与える手段を使用せず、第一の径か
らそれより大きな第二の径へ拡張可能な自己拡張型ステントも知られている。そ
のような自己拡張型ステントの一つに、体温に晒されるとその第二の径まで拡張
する形状記憶金属で作られたステントがある。そのようなステントもまた知られ
ている。 米国特許第5366504号は体腔内で機能するために弛緩した状態で互いに
絡み合った模様(織りループ)を有する管状壁部を備えた管状プロテーゼを開示
している。プロテーゼは自己拡張性の固定端と、バルーン拡張性の壁部により形
成されてもよい。 米国特許第5741325号は管内合成プロテーゼを開示している。プロテー
ゼは二叉状であってもよい。
Claims (15)
- 【請求項1】 少なくとも二つの円筒形部分が結合されてなり、一つの部分
が半径方向に自己拡張可能なものであり、他の部分が内部半径方向の力を利用し
て半径方向に拡張可能なものである円筒形構造物からなる経管移植用ステント。 - 【請求項2】 前記二つの部分が並設されてなる請求項1のステント。
- 【請求項3】 前記他の部分がバルーン拡張可能である請求項1のステント
。 - 【請求項4】 前記一つの部分がニチノールからなる請求項1のステント。
- 【請求項5】 前記一つの部分がステントの近位部分を構成する請求項1の
ステント。 - 【請求項6】 前記一つの部分が、拡張状態において、ステントの他の部分
に対してフレア状に広がってなる請求項5のステント。 - 【請求項7】 バルーン拡張可能部分と共に少なくとも一の自己拡張性部分
を含んでなるバルーン拡張型ステント。 - 【請求項8】 前記二つの部分が並設されてなる請求項7のステント。
- 【請求項9】 前記自己拡張性部分が、ステントの近位端にある請求項7の
ステント。 - 【請求項10】 前記自己拡張性部分がフレア状に広がってなる請求項9の
ステント。 - 【請求項11】 前記自己拡張性部分が、ステントの他の部分よりも大きな
全体直径を有してなる請求項7のステント。 - 【請求項12】 前記他の部分の両端それぞれに自己拡張性部分を含んでな
る請求項1のステント。 - 【請求項13】 主幹と、二つの分岐とを含む三つの部分からなり、少なく
とも一つの部分が自己拡張可能なものであり、少なくとも一つの部分が内部半径
方向の力を利用して半径方向に拡張可能なものである二叉ステント。 - 【請求項14】 前記主幹部分と一つの分岐部分が自己拡張可能であり、他
の分岐部分がバルーン拡張可能である請求項13の二叉ステント。 - 【請求項15】 前記主幹部分が自己拡張可能であり、分岐部分がバルーン
拡張可能である請求項13の二叉ステント。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/087,526 US6168621B1 (en) | 1998-05-29 | 1998-05-29 | Balloon expandable stent with a self-expanding portion |
| US09/087,526 | 1998-05-29 | ||
| PCT/US1999/011602 WO1999060953A1 (en) | 1998-05-29 | 1999-05-26 | Balloon expandable stent with a self-expanding portion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002516143A true JP2002516143A (ja) | 2002-06-04 |
| JP4307725B2 JP4307725B2 (ja) | 2009-08-05 |
Family
ID=22205701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000550419A Expired - Fee Related JP4307725B2 (ja) | 1998-05-29 | 1999-05-26 | 自己拡張性部分を有するバルーン拡張型ステント |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6168621B1 (ja) |
| EP (1) | EP1079768B1 (ja) |
| JP (1) | JP4307725B2 (ja) |
| AT (1) | ATE278365T1 (ja) |
| CA (2) | CA2649381C (ja) |
| DE (1) | DE69920905T2 (ja) |
| WO (1) | WO1999060953A1 (ja) |
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- 1999-05-26 AT AT99953278T patent/ATE278365T1/de not_active IP Right Cessation
- 1999-05-26 WO PCT/US1999/011602 patent/WO1999060953A1/en not_active Ceased
- 1999-05-26 EP EP99953278A patent/EP1079768B1/en not_active Expired - Lifetime
- 1999-05-26 CA CA002326882A patent/CA2326882C/en not_active Expired - Fee Related
- 1999-05-26 DE DE69920905T patent/DE69920905T2/de not_active Expired - Lifetime
- 1999-05-26 JP JP2000550419A patent/JP4307725B2/ja not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008504899A (ja) * | 2004-07-02 | 2008-02-21 | クック・インコーポレイテッド | バルーン/自己拡張ステントグラフト |
| JP4928449B2 (ja) * | 2004-07-02 | 2012-05-09 | クック・インコーポレイテッド | 管腔内プロテーゼ |
| JP2009519061A (ja) * | 2005-12-14 | 2009-05-14 | ビオス インターベンショナル ゲーエムベーハー | 入口部病変部用でもある、病変部専用ステント、および適用方法 |
| WO2016163339A1 (ja) * | 2015-04-07 | 2016-10-13 | 二プロ株式会社 | ステント |
| JP2016214633A (ja) * | 2015-05-21 | 2016-12-22 | ニプロ株式会社 | ステント |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2326882A1 (en) | 1999-12-02 |
| DE69920905T2 (de) | 2005-11-17 |
| DE69920905D1 (de) | 2004-11-11 |
| ATE278365T1 (de) | 2004-10-15 |
| US6168621B1 (en) | 2001-01-02 |
| CA2649381C (en) | 2011-05-10 |
| WO1999060953A1 (en) | 1999-12-02 |
| CA2649381A1 (en) | 1999-12-02 |
| CA2326882C (en) | 2009-01-20 |
| JP4307725B2 (ja) | 2009-08-05 |
| EP1079768B1 (en) | 2004-10-06 |
| EP1079768A1 (en) | 2001-03-07 |
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