JP2018531664A - 解放可能な送達システム - Google Patents
解放可能な送達システム Download PDFInfo
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- JP2018531664A JP2018531664A JP2018514324A JP2018514324A JP2018531664A JP 2018531664 A JP2018531664 A JP 2018531664A JP 2018514324 A JP2018514324 A JP 2018514324A JP 2018514324 A JP2018514324 A JP 2018514324A JP 2018531664 A JP2018531664 A JP 2018531664A
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- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 239000003550 marker Substances 0.000 claims description 31
- 238000001356 surgical procedure Methods 0.000 claims 1
- 239000007943 implant Substances 0.000 abstract description 24
- 230000014759 maintenance of location Effects 0.000 description 14
- 239000000463 material Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 210000004204 blood vessel Anatomy 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000003073 embolic effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910001000 nickel titanium Inorganic materials 0.000 description 2
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 206010002329 Aneurysm Diseases 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009805 platelet accumulation Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000012781 shape memory material Substances 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
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Classifications
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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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/962—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
- A61F2/966—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
-
- 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
-
- 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
- A61F2/88—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure the wire-like elements formed as helical or spiral coils
-
- 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
- A61F2/962—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
- A61F2/966—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
- A61F2002/9665—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod with additional retaining means
-
- 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0069—Three-dimensional shapes cylindrical
-
- 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
- A61F2250/0096—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers
- A61F2250/0098—Markers 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
Abstract
【選択図】図5
Description
Claims (26)
- 血管内手術に際し送達シース内においてステントを送る送達押圧器であって、
長尺状部材と、
該長尺状部材の遠位部に配置されたステント係合機構とを含み、
該ステント係合機構は、前記ステントが前記送達シース内において圧縮形状にあるとき、前記ステントの前記近位部と係合し、前記ステントが前記送達シースから抜け出て最大寸法となる形状にまで拡張すると、前記ステントの前記近位部との係合を解除する送達押圧器。 - 前記ステント係合機構は、前記長尺状部材の遠位部から径方向に延びる1つ以上の突出要素である請求項1に記載の送達押圧器。
- 前記突出要素は支柱である請求項2に記載の送達押圧器。
- 該送達押圧器はさらに、前記1つ以上の突出要素に対して近位の位置に、前記長尺状部材に固定された径方向に拡張した部材を含む請求項3に記載の送達押圧器。
- 前記1つ以上の支柱は、前記長尺状部材に対して垂直に角度付けされるか、遠位方向に角度付けされるか、または近位方向に角度付けされる請求項3に記載の送達押圧器。
- 前記支柱は互いに径方向に等距離の位置に分布される請求項3に記載の送達押圧器。
- 前記支柱は軸方向に相互にずらした位置に分布される請求項3に記載の送達押圧器。
- 前記突出要素は軸方向に長尺状の複数のブロックである請求項2に記載の送達押圧器。
- 前記軸方向に長尺状の複数のブロックは矩形である請求項8に記載の送達押圧器。
- 前記突出要素は、1つ以上の支持ワイヤに固定された複数のマーカバンドである請求項2に記載の送達押圧器。
- 前記支持ワイヤはそれぞれ、前記長尺状部材に接続された少なくとも1つの端部を有し、前記長尺状部材の中心直径から離れた位置において前記マーカバンドを支持する請求項10に記載の送達押圧器。
- 前記マーカバンドは、前記長尺状部材に対して径方向に移動することができる請求項10に記載の送達押圧器。
- 前記支持ワイヤは、弧形を形成するように前記長尺状部材に取り付けられた2つの端部を有する請求項10に記載の送達押圧器。
- 前記ステント係合機構は、前記ステントのワイヤと係合する寸法に形成された1つ以上の溝を含む請求項1に記載の送達押圧器。
- 前記長尺状部材はさらに、該長尺状部材の遠位端に近接した管状部を含み、前記1つ以上の溝は、前記管状部中に配置される請求項14に記載の送達押圧器。
- 前記溝は、第1の幅を有する遠位部と、前記第1の幅よりも大きな第2の幅を有する近位部とを含む請求項14に記載の送達押圧器。
- 前記第1の幅は前記ステントのワイヤ直径よりも小さく、前記第2の幅は前記ステントのワイヤ直径よりも大きい請求項16に記載の送達押圧器。
- 前記管状部の遠位端は、前記送達シースによる非拘束時において直径が増加する請求項15に記載の送達押圧器。
- 前記溝は、第1の幅を有する遠位部と、前記第1の幅よりも大きな第2の幅を有する近位部とを含み、前記第1の幅は前記ステントのワイヤ直径よりも小さく、前記第2の幅は前記ステントの前記ワイヤ直径よりも大きく、前記管状部の直径の増大に伴って前記遠位部の幅が増加する請求項18に記載の送達押圧器。
- 前記溝は、前記ステント上の曲線状部と係合する寸法に形成された請求項14に記載の送達押圧器。
- 前記ステント係合機構は、前記長尺状部材に持続的に固定された第1の端部と、前記ステント係合機構内の切欠きと解放可能に係合した第2の端部とを有し、これによって、前記ケーブルが前記シースによって拘束されていないとき、前記第2の端部は前記ノッチから外れる請求項1に記載の送達押圧器。
- 近位ループを有するステントと、
前記近位ループから延びていて、拡張部を有するアームと、
前記ステントの送達に用いられる押圧器とを含み、該押圧器の遠位部は、前記アームの前記拡張部を収容する寸法に形成された凹部を含み、
前記拡張部がカテーテル内にあるとき、前記拡張部は前記凹部内に配置されるステント送達システム。 - 前記アームは前記送達システム内において近位方向に延びている請求項22に記載のステント送達システム。
- 前記凹部は、第1の幅を有する近位部を含む溝と、前記第1の幅よりも大きな第2の幅を有する遠位部とを含む請求項22に記載のステント送達システム。
- 複数の凹部をさらに含み、該複数の凹部のうち一部の前記溝の前記遠位部は、相互に軸方向にずれている請求項23に記載のステント送達システム。
- 前記ステントは、前記近位ループのみが付いて終端する角度付きの近位端を有する請求項23に記載のステント送達システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201562220910P | 2015-09-18 | 2015-09-18 | |
US62/220,910 | 2015-09-18 | ||
PCT/US2016/052539 WO2017049312A1 (en) | 2015-09-18 | 2016-09-19 | Releasable delivery system |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2018531664A true JP2018531664A (ja) | 2018-11-01 |
JP2018531664A5 JP2018531664A5 (ja) | 2019-10-31 |
JP6816126B2 JP6816126B2 (ja) | 2021-01-20 |
Family
ID=58276409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018514324A Active JP6816126B2 (ja) | 2015-09-18 | 2016-09-19 | 解放可能な送達システム |
Country Status (5)
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US (3) | US10182931B2 (ja) |
EP (1) | EP3349670B1 (ja) |
JP (1) | JP6816126B2 (ja) |
CN (1) | CN108260342B (ja) |
WO (1) | WO2017049312A1 (ja) |
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US20190142617A1 (en) | 2019-05-16 |
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