JP6183866B2 - 眼内レンズ、特に水晶体嚢挿入レンズ - Google Patents
眼内レンズ、特に水晶体嚢挿入レンズ Download PDFInfo
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- JP6183866B2 JP6183866B2 JP2015527794A JP2015527794A JP6183866B2 JP 6183866 B2 JP6183866 B2 JP 6183866B2 JP 2015527794 A JP2015527794 A JP 2015527794A JP 2015527794 A JP2015527794 A JP 2015527794A JP 6183866 B2 JP6183866 B2 JP 6183866B2
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
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- Prostheses (AREA)
Description
a)小苞状に加工され、充填剤を完全に内含する、
b)リング状に加工され、前部及び後部レンズと結合された、または、
c)裂け目を閉鎖する。
a)ハプティックが前部レンズへの遷移部に1つの張り出し部分を形成し、この際、ハプティックの前面が前部レンズの縁を超えて前へ張り出している、または、
b)ハプティックが後部レンズへの遷移部に1つの張り出し部分を形成し、この際、ハプティックの後面が後部レンズの縁を超えて後ろへ張り出しており、
この際、前部または後部レンズが、好ましくは、開口部のディスクを形成する。好ましくは、前部ハプティックの厚みが、光軸に対して斜めの領域において、前部レンズの縁の厚みと少なくとも同じ厚みである。代替的には、後部ハプティップの領域厚みが、光軸に対して斜めに、後部レンズの縁の厚みと少なくとも同じ厚みで形成される。以上両方のケースにおいて、好ましくは、前部ハプティックの後面が前部レンズの後面から後へ張り出るか、または、後部ハプティックの前面が後部レンズの前面よりへ張り出る。
この発明を可能にした業務は、欧州連合第7次フレームワークプログラムで実施された([FP7/2007−2013][FP7/2007−2011])補助金契約第CP−IP 214491−2号COTECHの助成を受けた。
Claims (8)
- 少なくとも1枚の前部レンズ(22)及び1枚の後部レンズ(21)ならびに両レンズを接続するハプティック(23)を有し、これらのレンズ(21,22)及びハプティック(23)がキャビティ(29)を形成し、周辺を取り巻くように配列された開口部によって開いており、
前記レンズ(21,22)の間のキャビティ(29)の領域に充填剤を有し、この充填剤は少なくとも一部が被膜(291)で囲まれた構造をしており、この被膜が、
a)小苞状(51)に形成され、前記充填剤を完全に内含する、
b)リング状であり、前記前部及び後部レンズ(22,21)と結合されている、または、
c)前記開口部を閉鎖する、
ことを特徴とする眼内レンズ。 - 請求項1の眼内レンズにおいて、前記ハプティック(23)及び/または前記開口部で画定された前記キャビティ(29)の一部またはすべての領域が前記充填剤で満たされていることを特徴とする眼内レンズ。
- 請求項1または2の眼内レンズにおいて、前記ハプティック(23)が、赤道部で相互接続されたハプティック前部及びハプティック後部を有することを特徴とする眼内レンズ。
- 請求項3の眼内レンズにおいて、前記ハプティック前部およびハプティック後部が、本質的に三角形の複数のハプティック要素(24)から構成されており、これらの三角形のハプティック要素(24)の基部が、各レンズ(21,22)と同じ高さに遷移することを特徴とする眼内レンズ。
- 請求項4の眼内レンズにおいて、2個の隣接する三角形のハプティック要素(24)の基部が当接し合うことを特徴とする眼内レンズ。
- 請求項4または5の眼内レンズにおいて、前記ハプティック要素(24)の頂点の累積幅が、前記赤道の円周の40%未満であることを特徴とする眼内レンズ。
- 請求項3から6のいずれかの眼内レンズにおいて、前記ハプティック前部の前部レンズ(22)への遷移部が張り出し部分(28)を形成し、前記ハプティック前部の前面が前記前部レンズ(22)の縁より前へ張り出していることを特徴とする眼内レンズ。
- 請求項1から7のいずれかの眼内レンズにおいて、キャビティ(29)が前記格納部(52)に取り外し可能に接続され、これにより前記格納部(52)の充填剤が前記キャビティ(29)に導かれることを特徴とする眼内レンズ。
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DE102012016893.4 | 2012-08-24 | ||
DE102012016893.4A DE102012016893A1 (de) | 2012-08-24 | 2012-08-24 | Intraokularlinse, insbesondere Kapselsackintraokularlinse |
PCT/DE2013/000472 WO2014029383A2 (de) | 2012-08-24 | 2013-08-21 | Intraokularlinse, insbesondere kapselsackintraokularlinse |
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EP (1) | EP2887908B1 (ja) |
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CN (1) | CN104619287B (ja) |
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WO2014029383A3 (de) | 2014-07-17 |
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