JP5377631B2 - 疾患心臓弁の治療用スコアリングカテーテル - Google Patents
疾患心臓弁の治療用スコアリングカテーテル Download PDFInfo
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- JP5377631B2 JP5377631B2 JP2011512940A JP2011512940A JP5377631B2 JP 5377631 B2 JP5377631 B2 JP 5377631B2 JP 2011512940 A JP2011512940 A JP 2011512940A JP 2011512940 A JP2011512940 A JP 2011512940A JP 5377631 B2 JP5377631 B2 JP 5377631B2
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- 230000000694 effects Effects 0.000 claims description 6
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- 206010061996 Heart valve stenosis Diseases 0.000 description 2
- 208000020128 Mitral stenosis Diseases 0.000 description 2
- 238000002399 angioplasty Methods 0.000 description 2
- 206010002906 aortic stenosis Diseases 0.000 description 2
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- 238000007887 coronary angioplasty Methods 0.000 description 1
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
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- 208000009138 pulmonary valve stenosis Diseases 0.000 description 1
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Images
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B17/320725—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with radially expandable cutting or abrading elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22098—Decalcification of valves
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
Description
a)装置カテ―テルはスコアリング要素を狭窄した大動脈弁に対して位置決めしかつ整列させることのできるマーカーを備え得る。マーカー装置は、狭窄した弁の境界部位に配置するのに役立ち、従ってその後人工装具弁を配置するのに役立つことができる。
b)スコアリング要素は、予め特定した長さにされ得、それにより安全である。かかる長さは全弁状リングの直径サイズを超えてはならない。
c)スコアリング要素は、引く、押す又はその他の展開機構(ネジ又は歩進形態の展開)によって狭窄した弁において又はかかる弁の上方において下向きに開くことができる。
d)スコアリング要素はマーカーを備えることができる。展開時にこれらのマーカーは、弁の悪い部分に種々の仕方で(すなわちパラシュートのように)整列し得、弁のその後の配置のための“マーカー”ゾーンを形成する。このことは、装置が弁を適切に配置するためのマーカー又は位置決め治具として機能できることを意味している。
e)スコアリング要素は、切断の有効性及び安全性を改善するために、平行ではあるが、バスケット、螺旋状、湾曲した要素などのような種々の形態で配列され得る。
f)装置は、スコアリングした(すなわち切り取った)物質による閉塞を避けるためにより近端部のバスケットと組み合わせられ得る。
g)装置は、弁を拡張させるバルーンと組み合わせられ得る。
h)装置は、切断要素のセンタリング及び一層の安定化を可能にする安定化装置と組み合わせられ得る。
スコアリング要素の展開角度及び切断の長さは、装置の特徴を用いて決めることができ又は予め設定できる。
12:カテーテル本体
14:ガイドワイヤ
16:カテーテル本体12の遠端部
18:スコアリングワイヤ
20:接続要素
22:管
24:管22の遠端部
26:シース
28:マーカー
30、32、34:切断用エッジ
36:管腔
38:管腔
110:スコアリングカテーテル
112:カテーテル本体
114:ガイドワイヤ
116:カテーテル本体112の遠端部
118:スコアリングワイヤ
120:接続要素
122:押し管
124:押し管122の遠端部
130:バルーン
132:バルーン管
210:スコアリングカテーテル
212:カテーテル本体
216:カテーテル本体212は遠端部
218:スコアリングワイヤ
220:接続要素
222:管
224:管222の遠端部
230:バルーン
232:バルーン管又は供給カテーテル
312:カテーテル本体
340:回動可能なナイフ
341:切断用エッジ
365:軸線
350:近端部の接続要素
320:遠端部の接続要素
360:スプレッド要素
361:カット部
362:スプレッドロッドレット
363:開口
364:開口
351:ブラケット
352:軸
320:遠端部の接続要素
Claims (13)
- 遠端部(316)及び近端部を備えた細長いカテーテル本体(312)と、
カテーテル本体の前記遠端部(316)に位置決めした少なくとも一つのスコアリング要素とを有し、
前記スコアリング要素が、前記カテーテル本体(312)の近くに位置決めした収縮状態から直径の比較的大きい膨張状態に膨張でき、それにより疾患心臓弁をスコアリングして再開放でき、
前記スコアリング要素が、近端部で回動自在にヒンジ支持された少なくとも一つの回動可能なロッドレット(340)及び遠端部で回動自在にヒンジ支持された少なくとも一つのスプレッド要素(360)を備え、
前記スコアリング要素の自由端が疾患心臓弁をスコアリングできるようにしたスコアリングカテーテル(310)において、
前記少なくとも一つの回動可能なロッドレット(340)がそれの中間部分において、収縮状態におけるスコアリング要素の長手方向に延びるスプレッドロッドレット(362)の近端部にヒンジ支持され、前記回動可能なロッドレット(340)の近端部が、前記スプレッドロッドレット(362)の遠端部に対してスコアリング要素の長手方向に可動であり、それにより前記細長いカテーテル本体(312)の前記遠端部(316)で前記回動可能なロッドレット(340)を回動させることを特徴とする疾患心臓弁の治療用スコアリングカテーテル。 - 前記少なくとも一つの回動可能なロッドレット(340)が、その自由端に切断用エッジ(341)を備えていることを特徴とする請求項1記載のスコアリングカテーテル。
- 複数の回動可能なロッドレット(340)が、スコアリング要素の周囲に等間隔に離間して設けられ、スコアリング要素の膨張状態においてカテーテル本体(312)から放射状に延びるようにされていることを特徴とする請求項1記載のスコアリングカテーテル。
- 前記複数の回動可能なロッドレット(340)の各々にスプレッドロッドレット(362)が割り当てられ、スプレッドロッドレット(362)が金属シートから打ち抜きされ又は金属管から切断されて作られていることを特徴とする請求項3記載のスコアリングカテーテル。
- 前記スプレッドロッドレット(362)が接続要素(320)によって接続されることを特徴とする請求項4記載のスコアリングカテーテル。
- 前記スプレッドロッドレット(362)及び前記接続要素(320)が一部片として一体に形成されることを特徴とする請求項5記載のスコアリングカテーテル。
- 各スプレッドロッドレット(362)の近端部がU字形であり、また相応した回動可能なロッドレット(340)がU字形の二つのブラケット(366)の間にヒンジ支持されることを特徴とする請求項1〜2のいずれか一項記載のスコアリングカテーテル。
- 前記スコアリング要素の少なくとも一部分が可動なシース(326)によってカバーされていることを特徴とする請求項1記載のスコアリングカテーテル。
- 前記スコアリング要素が少なくとも一つの薬剤で少なくとも部分的に被覆され、或いは薬剤又は組成物を供給できることを特徴とする請求項1記載のスコアリングカテーテル。
- 前記薬剤が、前記治療した心臓弁の副作用及び炎症作用及び/又は再狭窄を防止又は低減することを特徴とする請求項9記載のスコアリングカテーテル。
- 前記カテーテルが、スコアリング処置の後、心臓弁を拡張させる少なくとも一つの膨張可能なバルーンを有することを特徴とする請求項1記載のスコアリングカテーテル。
- 前記バルーンが医薬品で少なくとも部分的に被覆されることを特徴とする請求項11記載のスコアリングカテーテル。
- 前記医薬品が、前記治療した心臓弁の副作用及び炎症作用及び/又は再狭窄を防止又は低減し、或いは弁の狭窄を生じさせる生物学的成分を溶解させることを特徴とする請求項12記載のスコアリングカテーテル。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US6018308P | 2008-06-10 | 2008-06-10 | |
| US61/060,183 | 2008-06-10 | ||
| PCT/EP2009/056893 WO2009150099A1 (en) | 2008-06-10 | 2009-06-04 | Scoring catheter for treating diseased heart valves |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2011529350A JP2011529350A (ja) | 2011-12-08 |
| JP5377631B2 true JP5377631B2 (ja) | 2013-12-25 |
Family
ID=41050842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011512940A Expired - Fee Related JP5377631B2 (ja) | 2008-06-10 | 2009-06-04 | 疾患心臓弁の治療用スコアリングカテーテル |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US8398662B2 (ja) |
| EP (1) | EP2293726B1 (ja) |
| JP (1) | JP5377631B2 (ja) |
| CN (1) | CN102083376B (ja) |
| AU (1) | AU2009256738C1 (ja) |
| BR (1) | BRPI0915112B8 (ja) |
| CA (1) | CA2726495C (ja) |
| ES (1) | ES2385520T3 (ja) |
| IL (1) | IL209231A (ja) |
| PL (1) | PL2293726T3 (ja) |
| RU (1) | RU2456946C1 (ja) |
| WO (1) | WO2009150099A1 (ja) |
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-
2009
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- 2009-06-04 CA CA2726495A patent/CA2726495C/en not_active Expired - Fee Related
- 2009-06-04 ES ES09761662T patent/ES2385520T3/es active Active
- 2009-06-04 CN CN200980120996.7A patent/CN102083376B/zh not_active Expired - Fee Related
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- 2009-06-04 RU RU2010154611/14A patent/RU2456946C1/ru active
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| WO2009150099A1 (en) | 2009-12-17 |
| CA2726495A1 (en) | 2009-12-17 |
| ES2385520T3 (es) | 2012-07-26 |
| US20090306582A1 (en) | 2009-12-10 |
| EP2293726B1 (en) | 2012-06-20 |
| BRPI0915112B8 (pt) | 2021-06-22 |
| EP2293726A1 (en) | 2011-03-16 |
| RU2456946C1 (ru) | 2012-07-27 |
| PL2293726T3 (pl) | 2012-09-28 |
| BRPI0915112B1 (pt) | 2019-09-10 |
| IL209231A0 (en) | 2011-01-31 |
| AU2009256738B2 (en) | 2013-01-31 |
| US8398662B2 (en) | 2013-03-19 |
| AU2009256738C1 (en) | 2013-08-01 |
| AU2009256738A1 (en) | 2009-12-17 |
| CN102083376A (zh) | 2011-06-01 |
| CA2726495C (en) | 2013-12-10 |
| IL209231A (en) | 2014-03-31 |
| BRPI0915112A2 (pt) | 2016-02-10 |
| JP2011529350A (ja) | 2011-12-08 |
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