JP2021003450A - 生体内留置物送達具 - Google Patents
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Abstract
Description
10:筒状部材
10d:筒状部材の遠位端
10p:筒状部材の近位端
20:測距センサー
30:放出口
40:注入部
50:シリンジ
60:導線
100:生体内留置物
Claims (11)
- 複数の細胞をファイバー状に構成している細胞ファイバーを含む生体内留置物と、
遠位側と近位側を有している筒状部材と、
前記筒状部材の遠位端から100mmまでの部分に配置されている測距センサーと、を備えており、
前記生体内留置物は、前記筒状部材の内腔に配置されており、
前記筒状部材は、前記筒状部材の遠位端から100mmまでの部分に、前記生体内留置物を前記筒状部材の内腔から放出する放出口を有することを特徴とする生体内留置物送達具。 - 前記筒状部材の近位端に、前記筒状部材の内腔へ流体を注入する注入部を有している請求項1に記載の生体内留置物送達具。
- 前記放出口は、前記筒状部材の側部に配置されている請求項1または2に記載の生体内留置物送達具。
- 前記筒状部材の長軸に垂直な断面における前記筒状部材の内腔の断面積は、前記放出口がある部分において、遠位側に向かうにつれて小さくなる請求項1〜3のいずれか一項に記載の生体内留置物送達具。
- 前記測距センサーは、前記筒状部材の側部に配置されている請求項1〜4のいずれか一項に記載の生体内留置物送達具。
- 前記測距センサーの測距方向と、前記放出口の中心を通る軸とがなす角度は、45度以下(0度を含む)である請求項1〜5のいずれか一項に記載の生体内留置物送達具。
- 前記筒状部材は、前記測距センサーに接続されている導線を内部に有している請求項1〜6のいずれか一項に記載の生体内留置物送達具。
- 前記筒状部材の長軸を含む断面において、前記筒状部材は、前記放出口が配置されている側を特定するX線不透過マーカーを有している請求項1〜7のいずれか一項に記載の生体内留置物送達具。
- 前記筒状部材の長軸方向に垂直な断面において、前記生体内留置物の最大外径は、前記筒状部材の最小内径の50%以上90%以下である請求項1〜8のいずれか一項に記載の生体内留置物送達具。
- 前記筒状部材の内表面に親水性コーティング層が設けられている請求項1〜9のいずれか一項に記載の生体内留置物送達具。
- 遠位側と近位側を有している筒状部材と、
前記筒状部材の遠位端から100mmまでの部分に配置されている測距センサーと、を備えており、
前記筒状部材は、内腔に、複数の細胞をファイバー状に構成している細胞ファイバーを含む生体内留置物を配置する配置部を有し、
前記筒状部材は、前記筒状部材の遠位端から100mmまでの部分に、前記生体内留置物を前記筒状部材の内腔から放出する放出口を有することを特徴とする生体内留置物送達具。
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WO2011046105A1 (ja) * | 2009-10-14 | 2011-04-21 | 国立大学法人 東京大学 | 被覆されたマイクロゲルファイバ |
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JP2016077229A (ja) * | 2014-10-17 | 2016-05-16 | 国立大学法人 東京大学 | ファイバ状基材、3次元細胞構造体及びその製造方法、並びに3次元細胞構造体の培養方法 |
JP2018078917A (ja) * | 2016-11-14 | 2018-05-24 | 一般財団法人生産技術研究奨励会 | 体内移植用のハイドロゲルファイバ及びハイドロゲルファイバを用いた体内移植方法 |
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JP2000500354A (ja) * | 1995-11-09 | 2000-01-18 | インターメド・インコーポレーテッド | 生物剤の供給器具 |
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JP2016077229A (ja) * | 2014-10-17 | 2016-05-16 | 国立大学法人 東京大学 | ファイバ状基材、3次元細胞構造体及びその製造方法、並びに3次元細胞構造体の培養方法 |
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