JP5798304B2 - グラフト挿入装置 - Google Patents
グラフト挿入装置 Download PDFInfo
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- JP5798304B2 JP5798304B2 JP2010184246A JP2010184246A JP5798304B2 JP 5798304 B2 JP5798304 B2 JP 5798304B2 JP 2010184246 A JP2010184246 A JP 2010184246A JP 2010184246 A JP2010184246 A JP 2010184246A JP 5798304 B2 JP5798304 B2 JP 5798304B2
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- 角膜内皮細胞層の移植片であるグラフトを患者の眼球の前房に挿入するグラフト挿入装置において、
筒状のハウジングと、
前記ハウジングの先端部から突出し、表面に前記グラフトを載置可能な可撓性を有する板状の載置部材と、
前記載置部材の表面を内側にして円筒状に変形させる変形手段と、
前記ハウジングの内部を軸方向に移動自在であり、円筒状に変形された前記載置部材の内部に挿通されて前記グラフトを前記載置部材の先端から押し出し可能な棒状部材とを備え、
前記変形手段は、自身が収縮するときの収縮力により前記載置部材を円筒状に変形させる円弧状又は環状の収縮部材と、前記収縮部材の収縮を抑止した状態で保持する収縮抑止部材と、前記収縮抑止部材による収縮の抑止を解除して前記収縮部材の収縮による載置部材の変形を許容する抑止解除部材とを備えることを特徴とするグラフト挿入装置。 - 請求項1に記載のグラフト挿入装置であって、
前記収縮抑止部材は、前記ハウジングの内部に装着されると共に前記載置部材の外側を覆う筒状に形成され、その外周面に前記収縮部材が装着され、
前記抑止解除部材は、前記筒状の収縮抑止部材の外周面に装着された前記収縮部材を移動させて前記収縮抑止部材から離脱させ、前記載置部材の外側に前記収縮部材を移動させることを特徴とするグラフト挿入装置。 - 請求項1又は2に記載のグラフト挿入装置であって、
前記載置部材は、軸方向に向けて延びる切り込みが裏面に形成されていることを特徴とするグラフト挿入装置。
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JP2010184246A JP5798304B2 (ja) | 2010-08-19 | 2010-08-19 | グラフト挿入装置 |
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JP2010184246A JP5798304B2 (ja) | 2010-08-19 | 2010-08-19 | グラフト挿入装置 |
Publications (2)
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JP2012040195A JP2012040195A (ja) | 2012-03-01 |
JP5798304B2 true JP5798304B2 (ja) | 2015-10-21 |
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JP2010184246A Active JP5798304B2 (ja) | 2010-08-19 | 2010-08-19 | グラフト挿入装置 |
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Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5947975A (en) * | 1997-03-07 | 1999-09-07 | Canon Staar Co., Inc. | Inserting device for deformable intraocular lens |
JPH10243952A (ja) * | 1997-03-07 | 1998-09-14 | Canon Star Kk | 変形可能な眼内挿入用レンズの挿入器具 |
US8029515B2 (en) * | 2005-01-31 | 2011-10-04 | Yichieh Shiuey | Corneal implants and methods and systems for placement |
US20060235430A1 (en) * | 2005-04-15 | 2006-10-19 | Intralens Vision, Inc. | Corneal implant injector assembly and methods of use |
CN101495063B (zh) * | 2006-01-26 | 2015-04-22 | 韦克福里斯特大学健康科学院 | 用于促进深板层内皮角膜移植术的医用工具和相关的方法 |
WO2008096821A1 (ja) * | 2007-02-08 | 2008-08-14 | Kaneka Corporation | 眼用インジェクター |
US20080255578A1 (en) * | 2007-02-09 | 2008-10-16 | Fisher Surgical | Corneal endothelial tissue inserter |
JP5219610B2 (ja) * | 2007-05-22 | 2013-06-26 | Hoya株式会社 | 治療用物質の運搬投与器具 |
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