JPH06511408A - 人体又は動物の管状器官治療用の伸張性エンドプロスシーシス及びその装着用具 - Google Patents

人体又は動物の管状器官治療用の伸張性エンドプロスシーシス及びその装着用具

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JPH06511408A
JPH06511408A JP5515411A JP51541193A JPH06511408A JP H06511408 A JPH06511408 A JP H06511408A JP 5515411 A JP5515411 A JP 5515411A JP 51541193 A JP51541193 A JP 51541193A JP H06511408 A JPH06511408 A JP H06511408A
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endoprosthesis
mesh
tulip
extensible
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リチャード ティエリ
ペルーズ エリック
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ラボラトワール ペルーズ エプラ
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90Stents 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/95Instruments specially adapted for placement or removal of stents or stent-grafts
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/95Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/962Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
    • A61F2/97Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve the outer sleeve being splittable
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30003Material related properties of the prosthesis or of a coating on the prosthesis
    • A61F2002/3006Properties of materials and coating materials
    • A61F2002/3008Properties of materials and coating materials radio-opaque, e.g. radio-opaque markers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108Shapes
    • A61F2002/30199Three-dimensional shapes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30317The prosthesis having different structural features at different locations within the same prosthesis
    • A61F2002/30327The prosthesis having different structural features at different locations within the same prosthesis differing in diameter
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2230/00Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063Three-dimensional shapes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2230/00Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063Three-dimensional shapes
    • A61F2230/0073Quadric-shaped
    • A61F2230/0078Quadric-shaped hyperboloidal
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2250/00Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0014Special 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
    • A61F2250/0039Special 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 diameter
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2250/00Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0058Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/0096Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers
    • A61F2250/0098Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers radio-opaque, e.g. radio-opaque markers

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Cardiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)
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  • Materials For Medical Uses (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるため要約のデータは記録されません。

Description

【発明の詳細な説明】 人体又は動物の管状器官治療用の伸張性エンドプロスシーシス及びその装着用具 本発明は、はぼ円筒状の伸張性網状物を含む、人体又は動物の管状器官治療用の 伸張性エンドプロスシーシス(endoprosthesis)に関する。当該 エンドプロスシーシス(endoprosthesis)は、特に、動脈瘤の管 腔的治療や医療上の拡張処理に適用されている。
この種のエンドプロスシーシス(enc[oprosthesis)は、通常、 気球によって伸張できる単一な金属網状物で形成されている。或いは、自動伸  張ができるように形成されたものである。管腔の中を通って拡張処理を行った後 、エンドプロスシーシス(endoprosthesis)は、探針を使うこと によって管腔内に挿入され、そして伸張され又は取り外される。
しかし、上記のような従来のエンドプロスシーシス(endoprosthes is)は、完全に満足のものとは言えない。即ち、筋肉組織が網状物の空隙に入 り込み、外傷を起こさせるだけではなくて、血流における乱流をも起こさせてい る。
更に、従来のエンドプロスシーシス(endoprosthesis)は、動脈 瘤の治療に使用できず、モして液密性ではないために、一般に、脈管などの管状 器官の二つの健康段部を連結するときに適用できない。
本発明は、上記の欠陥を解消できる伸張性エンドプロスシーシス(endopr osthesis)を提供することにある。この目的を達成するために、本願発 明は、下記の特徴を具備している。
即ち、上記網状物は、展延性及び生体適合性を有するプラスチック又はエラスト マーのフィルムに覆われ、該フィルムが実質的にエンドプロスシーシス(end oprosthesis)の全体にわたって、網状物の空隙を充填すると共に、 網状物の表面全体をカバーしていることを特徴としている。
本発明によれば、上記フィルムが、ポリウレタン等のポリマー、若しくは天然ゴ ム又は合成ゴムで形成されている。
エンドプロスシーシス(endoprosthesis)は、自動伸張型のもの であって、伸張状態で端部が張り出すように形成されている。
上記網状物は、ステンレススチール又は、予め放射線不透過性になっているテト ラフルオロエチレン等の比較的剛性のあるプラスチックで形成されている。
本発明におけるもう一つの目的は、上述したような自動伸張可能なエンドプロス シーシス(endoprosthesis)を装着するための用具を提供するこ とにある。
この用具は、下記の部材を備えている。
即ち、収縮状態のエンドプロスシーシス(endoprosthesjs)を収 容スるチューリップ状部材を末端部に備えたガイドチューブと、上記チューリッ プ状部材を長手方向に開放する手段と、を備えている。
一つの実施態様によれば、上記手段は、上記チューリップ状部材を幾つかの花び ら状部材にカットするワイヤを含み、当該ワイヤは、操作用ハンドルに接続され ている。
他の実施態様によれば、 上記手段は、チューリップ状部材における長手方向の開口部を有し、チューリッ プ状部材の各側縁部は一連のガセットを備え、両隣接側縁のガセットは互いに係 合されていて、これらを通過して操作用ハンドルに接続されているフードによっ て保持されている。
以下、図面を参照しながら本発明の詳細な説明する。
図1は、収縮状態にある本発明のエンドプロスシーシス(endoprosth esis)を概略的に示すものである。
図2は、伸張状態にある上記エンドプロスシーシス(endoprosthes is)を概略的に示すものである。
図3は、本発明に従った自動伸張型エンドプロスシーシス(endoprost hesis)を装着するための用具を大きく拡大したサイズで示す斜視図である 。
図4は、図3に示した用具の長手方向断面図である。
図5は、図4の■−V線の断面を示すものである。
図6は、図3乃至図5に示した用具の使用形態を示すものである。
図7は、対応するエンドプロスシーシス(endoprosthesis)の伸 張状態を示すものである。
図8は、本発明に従った自動伸張型エンドプロスシーシス(endoprost hesis)を装着するだめの他の用具を、大きく拡大したサイズで概略的に示 す斜視図である。
図1及び図2に示したエンドプロスシーシ;Z、 (endoprosthes is) 1は、フィルム3に覆われた管状の網状物2によって形成されている。
網状物2は、生体適合性のステンレススチール製である。網状物2は、管状物を 軸方向に覆うようにしてヤーンを織り又は編むことによって作られ、或いは他の 適切な方法で作ることができる。網状物2は、可塑的に変形でき、その軸と平行 に延びた菱形を形成する空隙がある図1に示した小径の第1安定形状、及び円周 方向に延びた菱形を形成する空隙がある図2に示した大径の第2安定形状をとる 。
網状物2は、その空隙を塞ぐ展延性及び液密性の材料でできたフィルムに完全に 埋められている。この材料の展延性は、網状物の空隙の変形に拘らず、収縮状態 から伸張状態に至る網状物2の変形にフィルム3が破断や離脱なく追従できるた めに十分である。好適な材料としては、天然ゴム、合成ゴム等のような生体適合 性のあるエラストマーや、ポリウレタンのような生体適合性のあるポリマーが掲 げられる。
フィルム3による網状物2のコーティングは、金属材を脱脂してプライマリ−接 着剤で処理した後、複合押出し又は浸漬法によって行われる。
伸張状態(図2を参照)で、液密性の管状セグメントは、管腔の中を通っての拡 張処理を行った後、エンドプロスシーシス(endoprosthesis)又 は「伸展器」として、使われることが可能である。筋肉組織や血液が、円滑なエ ラストマー表面又はポリマー表面と接触しているので、エンドプロスシーシス( endoprosthesis)は、筋肉組織に外傷を起こさせることがなく、 血流の中の乱流も起こさせない。
漏洩性がないことから、このエンドプロスシーシス(endoprosthes is)は、エンドプロスシーシス(endoprosthesis)を動脈瘤に つなぐようにし、各端部を、動脈瘤と隣接している健康動脈環部の内壁に放射状 に当てることにより、動脈瘤の管腔内治療に使用できる。
図3乃至図7に示した他の実施例においては、エンドプロスシーシス(endo prosthesis) LAの網状物2は、自動伸張可能で、バネ性を有する ステンレススチールを使って従来の方法で作られたものである。
装着に際し、エンドプロスシーシス(endoprosthesis) LAは 、半径方向の圧縮により図1に示した非安定な形状になり、図3乃至図5に示し た用具5のチューリップ状部材4に挿入される。
チューリップ状部材4の末端部は、開放状態にあり、互いに120度の角度を形 成する三つの切欠き6を有する。その基端部は、ガイドチューブ8が延びる内側 肩部7を形成する。各切欠き6の平面において、チューブ8の肉厚部を通って形 成された通路9は、肩部7近傍の一端及びチューブ8の基端部の他端で、放射状 に配列されたオリフィス10.11を経て外方に現れている。
また、図示のように、チューブ8の肉厚部を通って流体注入用の長手通路12及 び13を設けることが可能である。通路12及び13は、当該チューブの基端部 から始まり、肩部7付近にあるチューブ8の内部空間に現れる。
前述した各平面それぞれにおいて、可撓性ワイヤ14は、切欠き6を通過する。
該ワイヤ14の内側ストランド15は、チューブ状部材4の内部に沿って延び、 肩部7に設けられているオリフィス16を経て、オリフィス10を通過し、通路 9に沿って延び、オリフィス11を経て、操作ハンドル17(図3)につながっ ている。ワイヤ14の外側ストランド18は、チューリップ状部材の外壁に沿っ て延び、ストランド15と同じ通路9.11を経て、ハンドル17につながって いる。従って、このハンドル17は6本のワイヤとつながっていて、3本の内側 ストランド15はエンドプロスシーシス(endoprosthesjs) I Aの伸張傾向によって、チューリップ状部材の内壁に対し押しつけられたフラッ トな状態にある。
エンドプロスシーシス(endoprosthesis)を使用する前、まず、 管腔の中を通っての拡張処理を行い、用具5を糸で一つのガイド部材につなぎ、 次いで皮膚を通過して挿入し、希望する部位に応じて管腔内へ導入する。
その後、施術者は、ハンドル17を引く。これによって3本のストランド15が 引っ張られ、各内側ストランド15が立体を作り出すそれぞれの母線に沿ってチ ューリップ状部材をカットする。チューリップ状部材は、エンドプロスシーシス (endoprosthesis)がら徐々に離れる。図6に示すように、エン ドプロスシーシス(endoprosthesis)は、自動的に伸張してくる 。チューリップ状部材が完全に開いたとき、チューブ8を引くことによって当該 用具が取り外される。
伸張状態(図7)で判るように、エンドプロスシーシス(endoprosth esjs)の両端部側は、自動的に外方へ張り出した状態が見られ、それによっ て二つの有利な効果が奏される:その−は、エンドプロスシーシス(endop rosthesjs)及び動脈がらの漏洩がないことを確保できる;その二は、 網状物2を形成するヤーンの端部19は、フィルム3を超えて若干延び、エンド プロスシーシス(endoprosthesis)を動脈に固定する多数の固着 点を形成する。このようにして、エンドプロスシーシス(endoprosth esis)が、位置的に安定化する。
網状物2を形成するために他の材料を使用しても良い。例えば、自己伸張可能な エンドプロスシーシス(endoprosthesis)を製造するため、予め 放射線不透過処理したバネ特性を持ち比較的剛性のあるポリテトラフルオロエチ レン(PTFE)等のポリマーのヤーンが使用される。
用具5の他の例を、概略的に図8に示す。この用具5は、チューリップ状部材を 長手方向に開放する手段において、前述した用具と相違する。
チューリップ状部材は、その高さ全体にわたって、所定の線に沿って長手方向に 切り開かれている。スロットの各側縁は、一連の突出している円筒状ガセット2 0を有している。チューリップ状部材が閉じられた円筒状態にあり、自己伸張可 能なエンドプロスシーシス(endoprosthesis)IAを収縮状態に 保持しているとき、隣接する両側のガセット2oが互いに係合し、全てのガセッ トを通り基端部で操作ハンドル17に接続されているコード21によって全体が 保持される。
エンドプロスシーシス(endoprosthesis)は、ハンドル17を引 くことにより簡単に開放される。
国際調査報告 FR9300246

Claims (8)

    【特許請求の範囲】
  1. 1.ほぼ円筒状の伸張性網状物(2;2A)を含む、人体又は動物の管状器官治 療用の伸張性エンドプロスシーシス(endoprosthesis)であって 、 展延性及び生体適合性をもつプラスチック又はエラストマーフィルム(3)に前 記網状物が埋められており、前記フィルムが前記網状物の空隙を充填し且つ通過 部において前記網状物(2)の全表面を覆っていることを特徴とするエンドプロ スシーシス(endoprosthesis)。
  2. 2.フィルム(3)がポリウレタン等のポリマー或いは天然又は合成ゴムからな ることを特徴とする請求項1記載のエンドプロスシーシス(endoprost hesis)。
  3. 3.伸張状態にあるときエンドプロスシーシス(endoprosthesis )の端部が張り出していることを特徴とする請求項1又は2記載の、自動伸張型 のエンドプロスシーシス(endoprosthesis)。
  4. 4.網状物(2)が、ステンレススチール製であることを特徴とする請求項1乃 至3の何れかに記載のエンドプロスシーシス(endoprosthesis) 。
  5. 5.網状物(2)は、予め放射線不透過性に処理されていて、ポリテトラフルオ ロエチレン等の、比較的剛性のあるプラスチックで作られていることを特徴とす るエンドプロスシーシス(endoprosthesis)。
  6. 6.自動伸張可能なのエンドプロスシーシス(endoprosthesis) を装着する用具であって、 収縮状態のエンドプロスシーシス(endoprosthesis)(1A)を 収容するチューリップ状部材(4)が末端部に設けられたガイドチューブ(8) と、上記チューリップ状部材を長手方向に開放する手段(14、17;20、2 1、17)と、 を備えている用具。
  7. 7.前記手段(14、17)は、操作ハンドル(17)に接続され、チューリッ プ状部材(4)を複数の花びら状部材にカットする複数のワイヤを備えているこ とを特徴とする請求項6記載の用具。
  8. 8.前記手段(20、21、17)は、個々の縁部に一連のガセット(20)が あるチューリップ状部材の長手方向開口部をもち、二つの側縁にあるガセット( 20)が互いに係合され、それらを通過して操作ハンドル(17)に接合されて いるコード(21)により保持されることを特徴とする請求項6記載の用具。
JP51541193A 1992-03-12 1993-03-11 人体又は動物の管状器官治療用の伸張性エンドプロスシーシス及びその装着用具 Expired - Fee Related JP3901725B2 (ja)

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FR9202971A FR2688401B1 (fr) 1992-03-12 1992-03-12 Endoprothese expansible pour organe tubulaire humain ou animal, et outil de mise en place.
PCT/FR1993/000246 WO1993017636A1 (fr) 1992-03-12 1993-03-11 Endoprothese expansible pour organe tubulaire humain ou animal, et outil de mise en place

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JP4494144B2 (ja) * 2004-09-16 2010-06-30 Junken Medical株式会社 管状器官の治療具
JP2011512920A (ja) * 2008-03-02 2011-04-28 トランスカテーテル テクノロジーズ ゲーエムベーハー 制御された態様で拡張状態から再度直径が減少可能なステント
JP2014176652A (ja) * 2013-03-13 2014-09-25 Depuy Synthes Products Llc ステントを送達及び解放するための捕捉管機構
US10172734B2 (en) 2013-03-13 2019-01-08 DePuy Synthes Products, Inc. Capture tube mechanism for delivering and releasing a stent
US10786378B2 (en) 2013-03-13 2020-09-29 DePuy Synthes Products, Inc. Capture tube mechanism for delivering and releasing a stent

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JP3901725B2 (ja) 2007-04-04
US5755769A (en) 1998-05-26
ATE155993T1 (de) 1997-08-15
WO1993017636A1 (fr) 1993-09-16
JP2007007442A (ja) 2007-01-18
DE69312601T2 (de) 1998-02-26
CA2102416A1 (fr) 1993-09-13
EP0584352A1 (fr) 1994-03-02
DE69312601D1 (de) 1997-09-04
FR2688401A1 (fr) 1993-09-17
US6019787A (en) 2000-02-01
FR2688401B1 (fr) 1998-02-27
EP0584352B1 (fr) 1997-07-30

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