JP5499375B2 - 腔内配送装置 - Google Patents
腔内配送装置 Download PDFInfo
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- JP5499375B2 JP5499375B2 JP2008551350A JP2008551350A JP5499375B2 JP 5499375 B2 JP5499375 B2 JP 5499375B2 JP 2008551350 A JP2008551350 A JP 2008551350A JP 2008551350 A JP2008551350 A JP 2008551350A JP 5499375 B2 JP5499375 B2 JP 5499375B2
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- 229920002635 polyurethane Polymers 0.000 claims description 16
- 239000004814 polyurethane Substances 0.000 claims description 16
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 210000004204 blood vessel Anatomy 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 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 claims description 6
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000010935 stainless steel Substances 0.000 description 8
- 229910001220 stainless steel Inorganic materials 0.000 description 8
- 210000005166 vasculature Anatomy 0.000 description 8
- 210000002376 aorta thoracic Anatomy 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 208000014674 injury Diseases 0.000 description 4
- 229910000734 martensite Inorganic materials 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 230000008733 trauma Effects 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 3
- 210000000709 aorta Anatomy 0.000 description 3
- 229910001566 austenite Inorganic materials 0.000 description 3
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- 238000000034 method Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 210000000115 thoracic cavity Anatomy 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
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- 210000003090 iliac artery Anatomy 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
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- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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
- A61F2/95—Instruments specially adapted for placement or removal of 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
- A61F2/95—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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/9517—Instruments specially adapted for placement or removal of stents or stent-grafts handle assemblies therefor
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- 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)
- Prostheses (AREA)
Description
本発明は、一般に胸部大動脈内へのステントグラフトの配置に関して述べられるが、これに限定されるものではなく、他の体内管腔への配置に適用することができる。
本発明の第1の態様によれば、ステントグラフト(6、66)の配送のための血管内配送装置(2、50)であって、
配送装置が、
遠位ハンドル(20、56)と、
ハンドルから近位方向に延びるプッシャーカテーテル(4、60)と、
近位ノーズコーン拡張器(11、54)と、
近位ノーズコーン拡張器(11、54)からプッシャーカテーテル(4、60)まで延びるガイドワイヤカテーテル(3、52)と、
を備え、
ガイドワイヤカテーテル(3、52)が形状記憶合金チューブを備え、上記プッシャーカテーテル(4、60)が、上記プッシャーカテーテル自体の遠位端(4c)におけるよりも上記プッシャーカテーテル自体の近位端(4a)においてより可撓性が高くなっている、段階的な可撓性を有し、
ノーズコーン拡張器(11、54)が、プッシャーカテーテルの近位端(4a)と同じまたはプッシャーカテーテルの近位端(4a)より高い可撓性を有する、血管内配送装置(2、50)が提供される。
構造にわたる温度依存性マルテンサイト相変態によるものである。これらの結晶構造は、マルテンサイトおよびオーステナイトとして公知である。SMAの3つの主なタイプは、銅−亜鉛−アルミニウム、銅−アルミニウム−ニッケル、およびニッケル−チタン(NiTi)合金である。NiTi合金は、一般により高価であり、かつ銅ベースのSMAaと比較して優れた機械的性質を有する。
の部分の可撓性との間の可撓性を備える中間部があってもよい。プッシャーカテーテルの第1の部分と第2の部分との間の中間部は、5〜20cmの長さと、Shore D硬度48〜55とを有することができる。
図1〜4は、本発明の一実施態様による可撓性の高い構成要素を組み込んだ配送装置2を表す。
ルチューブ自体を通して流体を導入しかつ吸引するためのポリビニールチューブ17が接続されたサイドアーム16をも含む。ノーズコーン拡張器11は、周知でありかつ市販されているワイヤガイド(図示せず)を介して血管のアクセス部位にアクセスし拡張するための、テーパ状遠位端19を含む。
ズコーン拡張器11に向かって近位方向に延びており、かつステントグラフト6(点線で示す)を覆っている。
断りのない限り、ここで述べられた番号または番号群で示されたものを含むものとして理解すべきであり、他の番号または番号群で示されたものを除外するものとして理解すべきではない。
Claims (14)
- ステントグラフト(6、66)の配送のための血管内配送装置(2、50)であって、
配送装置が、
遠位ハンドル(20、56)と、
該遠位ハンドルから近位方向に延びるプッシャーカテーテル(4、60)と、
近位ノーズコーン拡張器(11、54)と、
近位ノーズコーン拡張器(11、54)からプッシャーカテーテル(4、60)まで延びるガイドワイヤカテーテル(3、52)と、
を備え、
ガイドワイヤカテーテル(3、52)が形状記憶合金チューブを含み、
前記プッシャーカテーテル(4、60)が、前記プッシャーカテーテル自体の遠位端から前記プッシャーカテーテル自体の近位端に向かって、可撓性がより高くなっている、段階的な可撓性を有し、ノーズコーン拡張器(11、54)が、プッシャーカテーテルの近位端と同じまたはプッシャーカテーテルの近位端より高い可撓性を有し、
前記プッシャーカテーテル(4、60)は、
テーパ壁軟質ポリウレタンチューブであって、テーパ壁軟質ポリウレタンチューブ自体の中を通るルーメン(5)を有し、かつテーパ壁軟質ポリウレタンチューブ自体の近位端の方に向かって低減していく外径を有する、テーパ壁軟質ポリウレタンチューブを含み、
前記プッシャーカテーテル(4、60)はさらに、その近位端において、拡大部(82,92)を有し、該拡大部に隣接する遠位側の部分において、外径が最も小さくなっている、血管内配送装置(2、50)。 - プッシャーカテーテル(4、60)が、プッシャーカテーテル自体の中を通る長手方向ルーメン(5)を備え、ガイドワイヤカテーテル(3、52)がプッシャーカテーテル(4、60)に対して長手方向および回転式に移動可能であるように、ガイドワイヤカテーテルが長手方向ルーメン(5)を通って延びる請求項1に記載の血管内配送装置(2、50)。
- ガイドワイヤカテーテル(3、52)が、
(i)1.0mm〜1.5mmの範囲の直径と、0.1〜0.25mmの壁厚、または
(ii)1.28mmの直径と、0.12mmの壁厚とを有する、
請求項1または2に記載の血管内配送装置(2、50)。 - ノーズコーン拡張器(11、54)が、
(i)60mm〜100mmの長さと、Shore D硬度58〜45、または
(ii)80mm〜100mmの長さと、Shore D硬度48とを有する、
請求項1〜3のいずれか1項に記載の血管内配送装置(2、50)。 - ノーズコーン拡張器(11、54)がポリウレタンから形成される、請求項1〜4のいずれか1項に記載の血管内配送装置(2、50)。
- 前記第1の部分(4a)が、配送装置が配置される血管の蛇行に従って補助するように撓曲することができ、かつ前記第2の部分(4b、4c)が、血管を通って配送装置を進行させるための剛性を提供する、請求項1〜5のいずれか1項に記載の血管内配送装置(2、50)。
- (i)第1の部分(4a)が、5〜20cmの長さを有し、かつShore D硬度45〜55を有するか、または
(ii)第1の部分(4a)が、5〜20cmの長さを有し、かつShore D硬度48を有するか、または
(iii)第2の部分(4b、4c)が、Shore D硬度50〜60を有するか、または
(vi)第2の部分が、Shore D硬度58を有する、
請求項6に記載の血管内配送装置(2、50)。 - プッシャーカテーテル(4)の第1の部分(4a)と第2の部分(4c)との間の中間部(4b)であって、第1の部分の可撓性と第2の部分の可撓性との間の可撓性を備える、中間部(4b)を備える、請求項6または7に記載の血管内配送装置(2、50)。
- プッシャーカテーテル(4)の第1の部分(4a)と第2の部分(4c)との間の中間部(4b)が、5〜20cmの長さを有しかつShore D硬度48〜55を有する、請求項8に記載の血管内配送装置(2、50)。
- プッシャーカテーテル(4)上にありかつノーズコーン拡張器(11、54)の方へ近位方向に延びる、可撓性シース(10、68)を備える、請求項1〜9のいずれか1項に記載の血管内配送装置(2、50)。
- プッシャーカテーテル(4、60)が、少なくともプッシャーカテーテル(4、60)自体の遠位部分上に低摩擦性コーティングを備える、請求項1〜10のいずれか1項に記載の血管内配送装置(2、50)。
- ノーズコーン拡張器(11、54)が、実質的にプッシャーカテーテル(4、60)と同じまたはプッシャーカテーテル(4、60)より高い可撓性を有する材料から形成される、請求項1〜11のいずれか1項に記載の血管内配送装置。
- 血管内配送装置自体の上に搭載されたステントグラフト(6、66)を備える、請求項1〜12のいずれか1項に記載の血管内配送装置。
- ガイドワイヤカテーテル(3、52)がニチノール(登録商標)チューブを備える、請求項1〜13のいずれか1項に記載の血管内配送装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US75988306P | 2006-01-18 | 2006-01-18 | |
US60/759,883 | 2006-01-18 | ||
PCT/US2007/001209 WO2007084547A1 (en) | 2006-01-18 | 2007-01-17 | Endoluminal delivery device |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009523543A JP2009523543A (ja) | 2009-06-25 |
JP5499375B2 true JP5499375B2 (ja) | 2014-05-21 |
Family
ID=38099511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008551350A Active JP5499375B2 (ja) | 2006-01-18 | 2007-01-17 | 腔内配送装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8740964B2 (ja) |
EP (1) | EP1973495B1 (ja) |
JP (1) | JP5499375B2 (ja) |
AU (1) | AU2007207612B2 (ja) |
CA (1) | CA2636794C (ja) |
WO (1) | WO2007084547A1 (ja) |
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CA2636794C (en) | 2014-08-12 |
EP1973495A1 (en) | 2008-10-01 |
US8740964B2 (en) | 2014-06-03 |
AU2007207612B2 (en) | 2012-02-23 |
CA2636794A1 (en) | 2007-07-26 |
JP2009523543A (ja) | 2009-06-25 |
US20070185558A1 (en) | 2007-08-09 |
AU2007207612A1 (en) | 2007-07-26 |
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