JP6068673B2 - 副鼻腔炎又はアレルギー性鼻炎治療用バルーンシステム - Google Patents
副鼻腔炎又はアレルギー性鼻炎治療用バルーンシステム Download PDFInfo
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Description
Claims (10)
- 軸方向に延びる中心内管(1)と、膨張可能なバルーン(2)と、バルーンカテーテル外管(3)とを含む副鼻腔炎又はアレルギー性鼻炎治療用バルーンシステムであって、
前記中心内管(1)は、軸方向において、連結材(4)により互いに着脱可能に連結される遠端部(11)と近端部(12)とを含み、
前記バルーン(2)の第1先端(21)が前記遠端部(11)に接続され、
前記バルーン(2)の第2先端(22)が前記連結材(4)により前記バルーンカテーテル外管(3)に着脱可能に接続され、
前記バルーンカテーテル外管(3)は、前記近端部(12)に対して径方向において外方に向けて離間しており、
前記連結材(4)は、同軸回転できるとともに軸方向において互いに相対的に固定される第1バッキングリング(41)と第2バッキングリング(42)とを含み、
前記第1、第2バッキングリング(41,42)は、それぞれ少なくとも一つのガス案内孔(410,420)を備え、
前記第1バッキングリング(41)の外縁(411)が前記バルーン(2)に固定的に接続され、
前記第2バッキングリング(42)の外縁(421)が前記バルーンカテーテル外管(3)に着脱可能に接続され、
前記第1バッキングリング(41)の内縁(412)が前記遠端部(11)に固定的に接続され、
前記第2バッキングリング(42)の内縁(422)が前記近端部(12)に着脱可能に接続され、
前記第1バッキングリング(41)に、第1係合部(413)が設けられ、
前記第2バッキングリング(42)に、前記第1係合部と係合してロックされる第2係合部(423)が設けられ、
前記第1係合部(413)と前記第2係合部(423)とが係合してロックされる時に、前記第1バッキングリング(41)のガス案内孔(410)と第2バッキングリング(42)のガス案内孔(420)とが互いに完全にずれている、
ことを特徴とする副鼻腔炎又はアレルギー性鼻炎治療用バルーンシステム。 - 膨張前の前記バルーン(2)は、径方向の直径が、それぞれ0.5〜5mmであり、
膨張後の前記バルーン(2)は、径方向の直径が2mm〜30mmであり、軸方向長さ
が5mm〜60mmである、
ことを特徴とする請求項1に記載の副鼻腔炎又はアレルギー性鼻炎治療用バルーンシス
テム。 - 膨張後の前記バルーン(2)は、その形状が円柱形、亜鈴形又は両錐形である、
ことを特徴とする請求項2に記載の副鼻腔炎又はアレルギー性鼻炎治療用バルーンシステム。 - 前記バルーン(2)は、その材料が分解性材料又は非分解性材料である、
ことを特徴とする請求項1に記載の副鼻腔炎又はアレルギー性鼻炎治療用バルーンシステム。 - 非分解性材料からなる前記バルーン(2)は、移植後の15日〜30日の間に取り除かれる、
ことを特徴とする請求項4に記載の副鼻腔炎又はアレルギー性鼻炎治療用バルーンシステム。 - 分解性材料からなる前記バルーン(2)は、その分解周期が15日〜9ヶ月である、
ことを特徴とする請求項4に記載の副鼻腔炎又はアレルギー性鼻炎治療用バルーンシステム。 - 前記バルーン(2)は、その材料が水溶性材料の共重合体を含む、
ことを特徴とする請求項1に記載の副鼻腔炎又はアレルギー性鼻炎治療用バルーンシステム。 - 前記バルーン(2)は、その外表面に薬物遅延放出被覆層を備える、
ことを特徴とする請求項1に記載の副鼻腔炎又はアレルギー性鼻炎治療用バルーンシステム。 - 前記薬物遅延放出被覆層は、その薬物放出時間が7日〜6ヶ月に制御される、ことを特徴とする請求項8に記載の副鼻腔炎又はアレルギー性鼻炎治療用バルーンシステム。
- 前記バルーン(2)と前記遠端部(11)とにより、膨張媒体を収容する膨張内腔が区画され、前記膨張媒体に薬物分子が含まれる、
ことを特徴とする請求項1又は8に記載の副鼻腔炎又はアレルギー性鼻炎治療用バルーンシステム。
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| CN2012104549150A CN103007425B (zh) | 2012-11-13 | 2012-11-13 | 一种用于治疗鼻窦炎或过敏性鼻炎的球囊系统 |
| CN201210454915.0 | 2012-11-13 | ||
| PCT/CN2013/083982 WO2014075513A1 (zh) | 2012-11-13 | 2013-09-23 | 一种用于治疗鼻窦炎或过敏性鼻炎的球囊系统 |
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| US (1) | US9381328B2 (ja) |
| EP (1) | EP2921200B1 (ja) |
| JP (1) | JP6068673B2 (ja) |
| CN (1) | CN103007425B (ja) |
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| WO (1) | WO2014075513A1 (ja) |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2921200A4 (en) | 2015-12-02 |
| WO2014075513A1 (zh) | 2014-05-22 |
| BR112014028149A2 (pt) | 2017-06-27 |
| US9381328B2 (en) | 2016-07-05 |
| CN103007425A (zh) | 2013-04-03 |
| US20150265813A1 (en) | 2015-09-24 |
| JP2015533588A (ja) | 2015-11-26 |
| CN103007425B (zh) | 2013-11-06 |
| BR112014028149B1 (pt) | 2021-02-02 |
| EP2921200A1 (en) | 2015-09-23 |
| EP2921200B1 (en) | 2017-03-22 |
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