JP5932770B2 - 耳鼻咽喉用治療装置 - Google Patents
耳鼻咽喉用治療装置 Download PDFInfo
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- JP5932770B2 JP5932770B2 JP2013507464A JP2013507464A JP5932770B2 JP 5932770 B2 JP5932770 B2 JP 5932770B2 JP 2013507464 A JP2013507464 A JP 2013507464A JP 2013507464 A JP2013507464 A JP 2013507464A JP 5932770 B2 JP5932770 B2 JP 5932770B2
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- elongated body
- elongate body
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- catheter
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Description
図1は、本発明の第1実施形態に係る治療装置としてのカテーテル1を含む治療システムの全体構成を示す概略図である。図1のように、カテーテル1は、カテーテル本体を鼻腔内の目的部位に案内するガイドワイヤとしての機能を有する第1の長尺体11、第1の長尺体により案内されるカテーテル本体としての機能を有する第2の長尺体12、鼻腔内の自然口の狭窄部を押し広げる拡張体としての機能を有するバルーン13、及び施術者により操作される手元操作部としての機能を有するハブ14を備えている。
上述したように、本発明の治療装置は、副鼻腔炎の治療に好適に使用できる。ここで、本発明の治療装置の、副鼻腔炎の治療への使用形態は特に制限されない。例えば、第1の長尺体を鼻腔に導入して、遠位側に設けられた撮像手段により副鼻腔の入口を確認したら、前記第1の長尺体を介して第2の長尺体を鼻腔に導入して、所定の位置を確認したら拡張体を拡張して、副鼻腔の狭窄部を拡張する。すなわち、本発明は、(i)撮像手段を有する可撓性を備えた第1の長尺体を、鼻腔に導入し;(ii)前記撮像手段が撮像した画像に基づいて、副鼻腔の入口を確認し;(iii)拡張体を有する可撓性を備えた第2の長尺体のルーメンに前記第1の長尺体を挿通させて当該第2の長尺体を前記鼻腔に導入し、(iv)前記拡張体の拡張有効部を位置決めするために、第2の長尺体に設けられたガイド部(位置決め手段)によって、前記拡張有効部を前記鼻腔と前記副鼻腔との間に位置する自然口の狭窄部位に位置させた後に、前記拡張体を拡張する、ことを有する副鼻腔炎の治療方法を提供する。なお、本明細書において、「副鼻腔」とは、前頭洞、篩骨洞、蝶形骨洞または上顎洞のいずれであってもよい。
11 第1の長尺体(ガイドワイヤ)、
12 第2の長尺体(カテーテル本体)、
121 外管、
121l ルーメン、
121o 開口部、
122 内管、
122a 平行部、
122b 傾斜部、
13 バルーン(拡張体)、
13a 拡張有効部、
13b1 テーパ部、
13b2 テーパ部、
14 ハブ、
14a 圧力供給ポート、
14b 端壁、
15 CCDカメラ(撮像手段)、
15a 撮像面、
16 LEDライト、
2 カテーテル、
21 第1の長尺体(ガイドワイヤ)、
21e 拡径部、
22 第2の長尺体(カテーテル本体)、
221 外管、
221l ルーメン、
221o 開口部、
222 内管、
222a 平行部、
222b 傾斜部、
222r 縮径部(位置決め手段)、
23 バルーン(拡張体)、
23a 拡張有効部、
23b1 テーパ部、
23b2 テーパ部、
24 ハブ、
25 CCDカメラ(撮像手段)、
25a 撮像面、
26 LEDライト、
33 ガイドワイヤ、
34 ガイドカテーテル、
A 副鼻腔、
D 表示装置、
E 入口、
L 光源装置、
M マーカ(位置決め手段)、
N 鼻腔、
P 圧力供給装置、
S 狭窄部。
Claims (8)
- 可撓性を備えた第1の長尺体と、
前記第1の長尺体に設けられ、前記第1の長尺体の遠位端の前方の画像を取得する撮像手段と、
前記第1の長尺体が挿通されるルーメンを有する可撓性を備えた第2の長尺体と、
前記第2の長尺体に設けられ、前記鼻腔と前記副鼻腔との間に位置する自然口において径方向に拡張変形して前記自然口の狭窄部を押し広げる拡張有効部を有する拡張体と、
前記第2の長尺体に設けられ、前記第1の長尺体に沿って移動する前記第2の長尺体における前記拡張有効部を、前記第1の長尺体に対して位置決めする位置決め手段と、を有し、
前記位置決め手段は、前記第2の長尺体に配置され、前記撮像手段により取得された画像中で視認可能なマーカを有することを特徴とする耳鼻咽喉用の治療装置。 - 前記マーカは、前記第2の長尺体に配置された凹部又は凸部であることを特徴とする請求項1に記載の治療装置。
- 前記マーカは、前記第2の長尺体の色の変化の境界線であることを特徴とする請求項1または2に記載の治療装置。
- 前記マーカは、前記拡張有効部と前記マーカとの前記第2の長尺体の延伸軸への投影位置が互いに一致するように、前記ルーメンの内周面上に配置されることを特徴とする請求項1〜3のいずれか1つに記載の治療装置。
- 前記位置決め手段は、前記ルーメンの内周面上に配置され、前記第1の長尺体に沿って前記第2の長尺体が移動したときに前記第1の長尺体に当接する当接部を有することを特徴とする請求項1〜4のいずれか1つに記載の治療装置。
- 前記第1の長尺体は、径方向に部分的に拡径した拡径部を有し、
前記当接部は、前記第1の長尺体の前記拡径部に当接することを特徴とする請求項5に記載の治療装置。 - 前記当接部は、前記当接部が前記第1の長尺体に当接したときに、前記拡張有効部と前記撮像手段の撮像面との前記第2の長尺体の延伸軸への投影位置が互いに一致するように、前記ルーメンの内周面上に配置されることを特徴とする請求項5または6に記載の治療装置。
- 前記撮像手段は、前記第1の長尺体の遠位端に設けられることを特徴とする請求項1〜7のいずれか1つに記載の治療装置。
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WO2012133115A1 (ja) | 2012-10-04 |
JPWO2012133115A1 (ja) | 2014-07-28 |
EP2692299B1 (en) | 2017-01-04 |
CN103458806B (zh) | 2017-05-31 |
US20120253114A1 (en) | 2012-10-04 |
EP2692299A4 (en) | 2014-08-20 |
EP2692299A1 (en) | 2014-02-05 |
US9107687B2 (en) | 2015-08-18 |
CN103458806A (zh) | 2013-12-18 |
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