CN100536800C - 用作光消融嵌体的聚合材料 - Google Patents
用作光消融嵌体的聚合材料 Download PDFInfo
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- CN100536800C CN100536800C CNB038126087A CN03812608A CN100536800C CN 100536800 C CN100536800 C CN 100536800C CN B038126087 A CNB038126087 A CN B038126087A CN 03812608 A CN03812608 A CN 03812608A CN 100536800 C CN100536800 C CN 100536800C
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- methacrylic acid
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Abstract
本发明描述了光学透明、含水量高的水凝胶聚合材料和由其制造的光消融嵌体。优选的水凝胶聚合材料在水合状态下的折射率为1.30或以上,含水量约为60重量%或更大。优选的水凝胶聚合材料同样在临床消融之后不显示破裂或混浊的迹象。
Description
技术领域
本发明涉及新的聚合材料和制造与使用该聚合材料作为光消融嵌体(PAI)的方法。更具体而言,本发明涉及特别适用于生产PAI的柔软、光学透明的水凝胶材料,和制造与使用它的方法。
背景技术
激光辅助原位角膜磨削术(LASIK)手术是手术折射视力矫正方法,其特别流行的原因部分是由于相对缺少术后立即疼痛,部分是通常到第二天就获得极好的视力,如果不是更早的话。在LASIK手术中,微角膜刀用于在眼的角膜组织中产生薄的环状瓣。外科医生将组织瓣折叠移开,然后移出角膜组织,并用受激准分子激光使瓣下的角膜再成形。然后将组织瓣放回原处,覆盖角膜组织成形和移出的区域。LASIK手术的主要缺点是该方法不是可逆的,且附加的手术受到剩余角膜厚度的限制。附加的基质材料必须被消融,从而在可能的患者视力在LASIK手术后随时间变差的情况下进行附加的矫正。可能不存在适应这种附加矫正的附加基质材料。因此,期望一种手术折射视力矫正方法,该方法是可逆的,并在患者视力随时间自然变差时允许附加的手术。
发明内容
现已发现具有相对高的含水量,特别适于用作光消融嵌体(PAI)、角膜嵌体、角膜高嵌体或类似的眼用装置的柔软、可折叠的水凝胶聚合材料。本发明的水凝胶聚合材料适于生产圆盘或透镜(lenticule)的形式,用于在手术在眼的角膜床中形成瓣之后放置在其中。然后用受激准分子激光将水凝胶聚合材料圆盘或透镜精确地原位定制消融成期望的形状。使用本发明的PAI的手术方法的优点是矫正过程的次数不受角膜厚度的限制。同样,简单地通过消融PAI或用新的PAI代替先前的PAI,然后消融该新的PAI以适合患者的特定需要,使用本发明的PAI的手术方法对于矫正远视、散光,以及轻度到中度近视来说是可逆和可重复的。
因此,本发明的一个目的是提供生物相容的聚合材料。
本发明的另一目的是提供具有类似于角膜的高含水量的水凝胶聚合材料。
本发明的另一目的是提供无色的水凝胶聚合材料。
本发明的另一目的是提供透明的水凝胶聚合材料。
本发明的另一目的是提供适于原位光消融的聚合材料。
本发明的再一目的是提供生产相对简单的生物相容的聚合材料。
本发明的这些和其它目的和优点将从随后的详述和所附权利要求变得清楚,所述目的和优点中的一些得到了具体描述而其余的没有。
具体实施方式
提供以下详述以使任何本发明所属领域的技术人员能够制备和使用本发明,并阐明本发明的发明人考虑的实施本发明的最佳方式。
本发明涉及特别适用于生产PAI的柔软、光学透明的水凝胶聚合材料,以及制造和使用它的方法。本发明的水凝胶聚合材料使含水量最大化以用于生产眼用装置,如光消融嵌体(PAI)等。用于改善生物相容性的本发明的水凝胶聚合材料的优选含水量约为78%,即所报道的人角膜的含水量。将本发明的水凝胶聚合材料制成圆盘或透镜的形式以在角膜床中手术形成瓣之后放置在角膜床中。该水凝胶聚合材料圆盘或透镜适于用受激准分子激光精确地原位定制消融成期望的形状。使用本发明的PAI的手术方法的优点是矫正过程的次数不受特定患者角膜厚度的限制,而LASIK手术视力矫正则受此限制。同样,简单地通过消融PAI或用新的PAI代替先前的PAI,然后消融该新的PAI以适合患者的特定需要,使用本发明的PAI的手术方法对于矫正远视、散光,以及轻度到中度近视来说是可逆和可重复的。
本发明的优选水凝胶聚合材料是亲水单体的共聚体。用于本发明的适宜的亲水单体包括,例如但不限于甲基丙烯酸2-羟乙酯、甲基丙烯酸羟基乙氧基乙酯、甲基丙烯酸羟基二乙氧基乙酯、甲基丙烯酸甲氧基乙酯、甲基丙烯酸甲氧基乙氧基乙酯、甲基丙烯酸甲氧基二乙氧基乙酯、聚甲基丙烯酸(乙二醇)酯、甲氧基-聚甲基丙烯酸(乙二醇)酯、甲基丙烯酸、甲基丙烯酸钠、甲基丙烯酸甘油酯、甲基丙烯酸羟丙酯、N-乙烯基吡咯烷酮、羟丙基甲基丙烯酰胺、N,N-二甲基丙烯酰胺、N-甲基丙烯酰胺和甲基丙烯酸羟丁酯。优选的亲水单体为甲基丙烯酸2-羟乙酯(HEMA)和甲基丙烯酸(MAA),以使含水量最大化。
本发明的水凝胶聚合材料包括,例如但不限于聚(甲基丙烯酸2-羟乙酯-共-甲基丙烯酸)、聚(甲基丙烯酸2-羟乙酯-共-N-乙烯基吡咯烷酮)、聚(甲基丙烯酸2-羟乙酯-共-二甲基丙烯酰胺)、聚(N-乙烯基吡咯烷酮-共-2-甲基丙烯酸)、聚(甲基丙烯酸2-羟乙酯-共-4-叔丁基-2-羟乙基甲基丙烯酸酯)和聚(N-乙烯基吡咯烷酮-共-4-叔丁基-2-羟乙基甲基丙烯酸酯)。
本发明的水凝胶聚合材料通过在任选0.01,但更优选0.01-3.0重量%的交联剂和至少0.01,但更优选0.02-2.0重量%引发剂的存在下将一种或多种上述亲水单体聚合来合成。任选地,也可以加入紫外线吸收剂。
适宜的交联剂包括,例如但不限于乙二醇二甲基丙烯酸酯、二乙二醇二甲基丙烯酸酯、三乙二醇二甲基丙烯酸酯和聚(乙二醇)二甲基丙烯酸酯,其中优选乙二醇二甲基丙烯酸酯。
本发明的亲水单体可以通过一种或多种常规方法在铸塑模型(cast shape)中容易地固化。这些方法包括,例如但不限于紫外线(UV)聚合、可见光聚合、微波聚合、热聚合、自由基聚合、活性基团聚合或其组合。在某些情况下也可以使用金属茂催化剂。
适宜的自由基热聚合引发剂包括,例如但不限于有机过氧化物,如过氧化乙酰、过氧化月桂酰、过氧化癸酰、过氧化硬脂酰、过氧化苯甲酰、叔丁基过新戊酸酯、过氧化二碳酸酯等。
代表性的UV引发剂包括本领域中已知的那些,例如但不限于安息香甲醚、安息香乙醚、DarocurTM 1173、1164、2273、1116、2959和3331(EM Industries,Inc.,Hawthorne,New York)和IrgacurTM 651以及184(Ciba-Geigy,Basel,Switzerland)。
其它适宜的引发剂包括,例如但不限于偶氮二(异丁腈)、2,2′-偶氮二(2,4-二甲基戊腈)、2,2′-偶氮二(甲基丁腈)、1,1′-偶氮二(氰基环己烷)、过氧化二叔丁基、过氧化二枯基、过氧化叔丁基枯基、2,5-二甲基-2,5-二(2-乙基己酰过氧)己烷、叔丁基过新癸酸酯、叔丁基过2-乙基己酸酯、二(4-叔丁基环己基)过氧化二碳酸酯、叔丁基过新戊酸酯、过氧化癸酰、过氧化月桂酰、过氧化苯甲酰、2,4-戊二酮过氧化物、二(正丙基)过氧化二碳酸酯、叔戊基过新癸酸酯和叔丁基过乙酸酯,其中优选2,2′-偶氮二(异丁腈)。
适宜的紫外线吸收剂包括,例如但不限于β-(4-苯并三唑基-3-羟基苯氧基)乙基丙烯酸酯、4-(2-丙烯酰氧基乙氧基)-2-羟基二苯甲酮、4-甲基丙烯酰氧基-2-羟基二苯甲酮、2-(2′-甲基丙烯酰氧基-5′-甲基苯基)苯并三唑、2-(2′-羟基-5′-甲基丙烯酰氧基乙基苯基)-2H-苯并三唑、2-[3′-叔丁基-2′-羟基-5′-(3"-甲基丙烯酰氧基丙基)苯基]-5-氯苯并三唑、2-(3′-叔丁基-5′-(3"-二甲基乙烯基甲硅烷基丙氧基)-2′-羟基苯基]-5-甲氧基苯并三唑、2-(3′-烯丙基-2′-羟基-5′-甲基苯基)苯并三唑、2-[3′-叔丁基-2′-羟基-5′-(3"-甲基丙烯酰氧基丙氧基)苯基]-5-甲氧基苯并三唑和2-[3′-叔丁基-2′-羟基-5′-(3"-甲基丙烯酰氧基丙氧基)苯基]-5-氯苯并三唑,其中β-(4-苯并三唑基-3-羟基苯氧基)乙基丙烯酸酯为优选的紫外线吸收剂。
在随后的实施例中更详细地描述本发明的水凝胶聚合材料,其在水合状态下由Abbe折射计在589nm和37℃下用钠光源测得的折射率为约1.30或更大,且水含量为约60重量%或更大,但优选65-90重量%,最优选70-80重量%。
实施例1:制备基于丙烯酸的铸塑成形薄膜(样品1)
在烧瓶中混合HEMA(98重量%)和甲基丙烯酸(MAA)(2重量%)。加入足量的EGDMA交联剂以占HEMA和MAA总重量的0.16重量%。加入DarocurTM 1173引发剂至等于单体总重的0.5重量%。通过将溶液倾至板上并使其在氮气氛下和紫外照射下暴露2小时来使溶液铸塑成薄膜。在紫外照射暴露之后,在115℃下将薄膜韧炼15分钟,然后缓慢冷却。得到厚度约为560μm的薄膜。然后由该薄膜切制圆盘或透镜用于研究。
实施例2:制备基于丙烯酸的铸塑成形薄膜(样品2)
在烧瓶中混合HEMA(96重量%)和甲基丙烯酸(MAA)(4重量%)。加入DarocurTM 1173引发剂至等于单体总重的0.5重量%。通过将溶液倾至板上并使其在氮气氛下和紫外照射下暴露2小时来使溶液铸塑成薄膜。在紫外照射暴露之后,在115℃下将薄膜韧炼15分钟,然后缓慢冷却。得到厚度约为560μm的薄膜。然后由该薄膜切制圆盘或透镜用于研究。
实施例3:基于丙烯酸的铸塑成形薄膜的消融研究
将VisxTM受激准分子激光(Visx,Incorporated,S anta Clara,California)用于在常规临床设置160mJ和10Hz下,在来自以上实施例1和实施例2的样品圆盘或透镜(下文分别称为样品1和样品2)上进行25、50和100μm深的光疗角膜切除术(PTK)消融。在将水合样品消融之前,涂抹样品1和2以除去存储器中存在的任何过量的表面湿气。在消融后,将样品1和2包装在含硼酸盐缓液的5ml小瓶中,并用带Nikon950数码相机和SmartScopeTM/ROI显微镜(OpticalGaging Products,Inc.,Rochester,New York)的NikonTM立体显微镜(Nikon,Corporation,Japan)观察。获取图片和大小。用SmartScopeTM/ROI显微镜在×132放大率下,在亮场条件下测定消融深度。
以测定的消融深度对预期的消融深度的比测定样品1和2的消融速率。消融数据总结在下表1中。
表1
消融数据总结
表1的消融数据同样在下图1和2中描述。
图1
样品1的消融速率测量
图2
样品2的消融速率度量
在观察样品1和2时,消融区域是清楚的,并且在暗和亮场条件下均没有破裂或混浊的迹象。但是未消融的材料在暗场条件下观察时显示一定的混浊。消融区域的特征是在50μm下有一些条纹或分散的空泡样特征,并在100μm下更为明显,但没有达到导致视力恶化效果的程度。当在×20放大率下观察时,横截面在100μm是粗糙的,但在25和50μm保持光滑。在期望消融的100μm,样品2的横截面看起来比样品1稍光滑,具有较少条纹和较深的消融,这可能是因为它较高的含水量。
用本发明的水凝胶聚合材料制造的PAI优选是能够放置在由微角膜刀等手术装置,或者通过眼科学领域的技术人员已知的类似手术方法制作的角膜组织瓣下的眼角膜上的圆形或椭圆形设计。本发明的PAI通过以下方法制造:选择期望的水凝胶聚合材料,并用本领域技术人员已知的技术铸塑成形该材料,或者将该材料铸塑成薄膜或棒。如果铸塑成薄膜或棒,则将该材料薄膜或棒进行板条覆盖或机械加工得到圆形或椭圆形PAI。该PAI一旦制成,则通过本领域技术人员已知的常规方法清洗、抛光,任选地水合、包装和灭菌。
虽然本文显示和描述了用于制造本发明的PAI的某些特定组合物,本领域技术人员知道,可以在不背离发明构思的精神和范围的情况下进行多种改型,这些改型不限于本文所述的特定的组合物和方法,也包括所附权利要求的范围所示的组合物和方法。
Claims (31)
1.适于用作光消融角膜嵌体的水凝胶聚合材料,其包含:
一种或多种亲水单体;
任选的交联剂;和
引发剂,以形成含水量为60重量%或更大并在临床光消融时不显示破裂或混浊的水凝胶聚合材料。
2.权利要求1的水凝胶聚合材料,其中所述材料包含紫外线吸收物质。
3.权利要求1的水凝胶聚合材料,其中所述组合物包含选自以下的紫外线吸收物质:β-(4-苯并三唑基-3-羟基苯氧基)乙基丙烯酸酯、4-(2-丙烯酰氧基乙氧基)-2-羟基二苯甲酮、4-甲基丙烯酰氧基-2-羟基二苯甲酮、2-(2′-甲基丙烯酰氧基-5′-甲基苯基)苯并三唑、2-(2′-羟基-5′-甲基丙烯酰氧基乙基苯基)-2H-苯并三唑、2-[3′-叔丁基-2′-羟基-5′-(3"-甲基丙烯酰氧基丙基)苯基]-5-氯苯并三唑、2-(3′-叔丁基-5′-(3-二甲基乙烯基甲硅烷基丙氧基)-2′-羟基苯基]-5-甲氧基苯并三唑、2-(3′-烯丙基-2′-羟基-5′-甲基苯基)苯并三唑、2-[3′-叔丁基-2′-羟基-5′-(3"-甲基丙烯酰氧基丙氧基)苯基]-5-甲氧基苯并三唑和2-[3′-叔丁基-2′-羟基-5′-(3"-甲基丙烯酰氧基丙氧基)苯基]-5-氯苯并三唑。
4.权利要求1的水凝胶聚合材料,其中所述组合物包含β-(4-苯并三唑基-3-羟基苯氧基)乙基丙烯酸酯作为紫外线吸收物质。
5.权利要求1的水凝胶聚合材料,其中所述引发剂选自偶氮二(异丁腈)、2,2′-偶氮二(2,4-二甲基戊腈)、2,2′-偶氮二(甲基丁腈)、1,1′-偶氮二(氰基环己烷)、过氧化二叔丁基、过氧化二枯基、过氧化叔丁基枯基、2,5-二甲基-2,5-二(2-乙基己酰过氧)己烷、叔丁基过新癸酸酯、叔丁基过2-乙基己酸酯、二(4-叔丁基环己基)过氧化二碳酸酯、叔丁基过新戊酸酯、过氧化癸酰、过氧化月桂酰、过氧化乙酰、过氧化硬脂酰、过氧化苯甲酰、2,4-戊二酮过氧化物、二(正丙基)过氧化二碳酸酯、过氧化二碳酸酯、叔戊基过新癸酸酯、叔丁基过乙酸酯、安息香甲醚、安息香乙醚、DarocurTM 1173、1164、2273、1116、2959和3331,以及IrgacurTM 651和184。
6.权利要求1的水凝胶聚合材料,其中所述引发剂为偶氮二(异丁腈)。
7.权利要求1的水凝胶聚合材料,其中所述交联剂选自乙二醇二甲基丙烯酸酯、二乙二醇二甲基丙烯酸酯、三乙二醇二甲基丙烯酸酯和聚(乙二醇)二甲基丙烯酸酯。
8.权利要求1的水凝胶聚合材料,其中所述交联剂为乙二醇二甲基丙烯酸酯。
9.权利要求1的水凝胶聚合材料,其中至少一种所述亲水单体选自甲基丙烯酸2-羟乙酯、甲基丙烯酸羟基乙氧基乙酯、甲基丙烯酸羟基二乙氧基乙酯、甲基丙烯酸甲氧基乙酯、甲基丙烯酸甲氧基乙氧基乙酯、甲基丙烯酸甲氧基二乙氧基乙酯、聚甲基丙烯酸(乙二醇)酯、甲氧基-聚甲基丙烯酸(乙二醇)酯、甲基丙烯酸、甲基丙烯酸钠、甲基丙烯酸甘油酯、甲基丙烯酸羟丙酯、N-乙烯基吡咯烷酮、羟丙基甲基丙烯酰胺、N,N-二甲基丙烯酰胺、N-甲基丙烯酰胺和甲基丙烯酸羟丁酯。
10.权利要求1的水凝胶聚合材料,其中至少一种所述亲水单体为甲基丙烯酸2-羟乙酯或甲基丙烯酸。
11.由包含以下的组合物制造的光消融角膜嵌体:
一种或多种亲水单体;
任选的交联剂;和
引发剂,以形成含水量约为60重量%或更大,并在临床光消融时不显示破裂或混浊的组合物。
12.权利要求11的嵌体,其中所述组合物包含紫外线吸收物质。
13.权利要求11的嵌体,其中所述组合物包含选自以下的紫外线吸收物质:β-(4-苯并三唑基-3-羟基苯氧基)乙基丙烯酸酯、4-(2-丙烯酰氧基乙氧基)-2-羟基二苯甲酮、4-甲基丙烯酰氧基-2-羟基二苯甲酮、2-(2′-甲基丙烯酰氧基-5′-甲基苯基)苯并三唑、2-(2′-羟基-5′-甲基丙烯酰氧基乙基苯基)-2H-苯并三唑、2-[3′-叔丁基-2′-羟基-5′-(3"-甲基丙烯酰氧基丙基)苯基]-5-氯苯并三唑、2-(3′-叔丁基-5′-(3-二甲基乙烯基甲硅烷基丙氧基)-2′-羟基苯基]-5-甲氧基苯并三唑、2-(3′-烯丙基-2′-羟基-5′-甲基苯基)苯并三唑、2-[3′-叔丁基-2′-羟基-5′-(3"-甲基丙烯酰氧基丙氧基)苯基]-5-甲氧基苯并三唑和2-[3′-叔丁基-2′-羟基-5′-(3"-甲基丙烯酰氧基丙氧基)苯基]-5-氯苯并三唑。
14.权利要求11的嵌体,其中所述组合物包含β-(4-苯并三唑基-3-羟基苯氧基)乙基丙烯酸酯作为紫外线吸收物质。
15.权利要求11的嵌体,其中所述引发剂选自偶氮二(异丁腈)、2,2′-偶氮二(2,4-二甲基戊腈)、2,2′-偶氮二(甲基丁腈)、1,1′-偶氮二(氰基环己烷)、过氧化二叔丁基、过氧化二枯基、过氧化叔丁基枯基、2,5-二甲基-2,5-二(2-乙基己酰过氧)己烷、叔丁基过新癸酸酯、叔丁基过2-乙基己酸酯、二(4-叔丁基环己基)过氧化二碳酸酯、叔丁基过新戊酸酯、过氧化癸酰、过氧化月桂酰、过氧化乙酰、过氧化硬脂酰、过氧化苯甲酰、2,4-戊二酮过氧化物、二(正丙基)过氧化二碳酸酯、过氧化二碳酸酯、叔戊基过新癸酸酯、叔丁基过乙酸酯、安息香甲醚、安息香乙醚、DarocurTM 1173、1164、2273、1116、2959和3331,以及IrgacurTM 651和184。
16.权利要求11的嵌体,其中所述引发剂为偶氮二(异丁腈)。
17.权利要求11的嵌体,其中所述交联剂选自乙二醇二甲基丙烯酸酯、二乙二醇二甲基丙烯酸酯、三乙二醇二甲基丙烯酸酯和聚(乙二醇)二甲基丙烯酸酯。
18.权利要求11的嵌体,其中所述交联剂为乙二醇二甲基丙烯酸酯。
19.权利要求11的嵌体,其中至少一种所述亲水单体选自甲基丙烯酸2-羟乙酯、甲基丙烯酸羟基乙氧基乙酯、甲基丙烯酸羟基二乙氧基乙酯、甲基丙烯酸甲氧基乙酯、甲基丙烯酸甲氧基乙氧基乙酯、甲基丙烯酸甲氧基二乙氧基乙酯、聚甲基丙烯酸(乙二醇)酯、甲氧基-聚甲基丙烯酸(乙二醇)酯、甲基丙烯酸、甲基丙烯酸钠、甲基丙烯酸甘油酯、甲基丙烯酸羟丙酯、N-乙烯基吡咯烷酮、羟丙基甲基丙烯酰胺、N,N-二甲基丙烯酰胺、N-甲基丙烯酰胺和甲基丙烯酸羟丁酯。
20.权利要求11的嵌体,其中所述亲水单体为甲基丙烯酸2-羟乙酯或甲基丙烯酸。
21.由水凝胶聚合材料制备光消融角膜嵌体的方法,所述方法包括:
用板条覆盖或机械加工由包含至少一种亲水单体、引发剂和任选的交联剂的聚合材料聚合而成的水凝胶聚合材料片或棒,以形成含水量为60重量%或更大,并在临床光消融时不显示破裂或混浊的圆形或椭圆形嵌体。
22.由水凝胶聚合材料制备光消融角膜嵌体的方法,所述方法包括:
以圆盘或透镜的形式将由包含至少一种亲水单体、引发剂和任选的交联剂的聚合材料聚合而成的水凝胶聚合材料铸塑成形,以形成含水量为60重量%或更大,并在临床光消融时不显示破裂或混浊的圆形或椭圆形嵌体。
23.权利要求21或22的方法,其中所述聚合材料包合紫外线吸收物质。
24.权利要求21或22的方法,其中所述聚合材料包含选自以下的紫外线吸收物质:β-(4-苯并三唑基-3-羟基苯氧基)乙基丙烯酸酯、4-(2-丙烯酰氧基乙氧基)-2-羟基二苯甲酮、4-甲基丙烯酰氧基-2-羟基二苯甲酮、2-(2′-甲基丙烯酰氧基-5′-甲基苯基)苯并三唑、2-(2′-羟基-5′-甲基丙烯酰氧基乙基苯基)-2H-苯并三唑、2-[3′-叔丁基-2′-羟基-5′-(3"-甲基丙烯酰氧基丙基)苯基]-5-氯苯并三唑、2-(3′-叔丁基-5′-(3-二甲基乙烯基甲硅烷基丙氧基)-2′-羟基苯基]-5-甲氧基苯并三唑、2-(3′-烯丙基-2′-羟基-5′-甲基苯基)苯并三唑、2-[3′-叔丁基-2′-羟基-5′-(3"-甲基丙烯酰氧基丙氧基)苯基]-5-甲氧基苯并三唑和2-[3′-叔丁基-2′-羟基-5′-(3"-甲基丙烯酰氧基丙氧基)苯基]-5-氯苯并三唑。
25.权利要求21或22的方法,其中所述聚合材料包含β-(4-苯并三唑基-3-羟基苯氧基)乙基丙烯酸酯作为紫外线吸收物质。
26.权利要求21或22的方法,其中所述引发剂选自偶氮二(异丁腈)、2,2′-偶氮二(2,4-二甲基戊腈)、2,2′-偶氮二(甲基丁腈)、1,1′-偶氮二(氰基环己烷)、过氧化二叔丁基、过氧化二枯基、过氧化叔丁基枯基、2,5-二甲基-2,5-二(2-乙基己酰过氧)己烷、叔丁基过新癸酸酯、叔丁基过2-乙基己酸酯、二(4-叔丁基环己基)过氧化二碳酸酯、叔丁基过新戊酸酯、过氧化癸酰、过氧化月桂酰、过氧化乙酰、过氧化硬脂酰、过氧化苯甲酰、2,4-戊二酮过氧化物、二(正丙基)过氧化二碳酸酯、过氧化二碳酸酯、叔戊基过新癸酸酯、叔丁基过乙酸酯、安息香甲醚、安息香乙醚、DarocurTM 1173、1164、2273、1116、2959和3331,以及IrgacurTM 651和184。
27.权利要求21或22的方法,其中所述引发剂为偶氮二(异丁腈)。
28.权利要求21或22的方法,其中所述交联剂选自乙二醇二甲基丙烯酸酯、二乙二醇二甲基丙烯酸酯、三乙二醇二甲基丙烯酸酯和聚(乙二醇)二甲基丙烯酸酯。
29.权利要求21或22的方法,其中所述交联剂为乙二醇二甲基丙烯酸酯。
30.权利要求21或22的方法,其中至少一种所述亲水单体选自甲基丙烯酸2-羟乙酯、甲基丙烯酸羟基乙氧基乙酯、甲基丙烯酸羟基二乙氧基乙酯、甲基丙烯酸甲氧基乙酯、甲基丙烯酸甲氧基乙氧基乙酯、甲基丙烯酸甲氧基二乙氧基乙酯、聚甲基丙烯酸(乙二醇)酯、甲氧基-聚甲基丙烯酸(乙二醇)酯、甲基丙烯酸、甲基丙烯酸钠、甲基丙烯酸甘油酯、甲基丙烯酸羟丙酯、N-乙烯基吡咯烷酮、羟丙基甲基丙烯酰胺、N,N-二甲基丙烯酰胺、N-甲基丙烯酰胺和甲基丙烯酸羟丁酯。
31.权利要求21或22的方法,其中至少一种所述亲水单体为甲基丙烯酸2-羟乙酯或甲基丙烯酸。
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US10/161,394 US20030223954A1 (en) | 2002-05-31 | 2002-05-31 | Polymeric materials for use as photoablatable inlays |
US10/161,394 | 2002-05-31 |
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EP (1) | EP1509172B1 (zh) |
JP (1) | JP2005527688A (zh) |
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CN (1) | CN100536800C (zh) |
AU (1) | AU2003233669B2 (zh) |
CA (1) | CA2487574A1 (zh) |
DE (1) | DE03729109T1 (zh) |
ES (1) | ES2235677T1 (zh) |
WO (1) | WO2003101348A1 (zh) |
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EP2203490A1 (en) * | 2007-10-10 | 2010-07-07 | Benz Research and Development Corporation | Hydrogel with high water content and stability |
WO2009158723A2 (en) * | 2008-06-27 | 2009-12-30 | Amo Development, Llc. | Intracorneal inlay, system, and method |
TWI453199B (zh) * | 2008-11-04 | 2014-09-21 | Alcon Inc | 用於眼用鏡片材料之紫外光/可見光吸收劑 |
CN101999931B (zh) * | 2010-12-10 | 2012-11-14 | 上海导向医疗系统有限公司 | 一种覆盖可膨胀水凝胶的冷热消融探针壳体及其制备方法 |
US10337717B2 (en) * | 2015-03-31 | 2019-07-02 | Koito Manufacturing Co., Ltd. | Light source unit, method of manufacturing the same, and vehicle lamp |
CN112480309B (zh) * | 2020-11-25 | 2021-12-28 | 复旦大学 | 一种可变形智能水凝胶机器人及其制备方法 |
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US6387379B1 (en) * | 1987-04-10 | 2002-05-14 | University Of Florida | Biofunctional surface modified ocular implants, surgical instruments, medical devices, prostheses, contact lenses and the like |
US5039459A (en) * | 1988-11-25 | 1991-08-13 | Johnson & Johnson Vision Products, Inc. | Method of forming shaped hydrogel articles including contact lenses |
FR2646930B1 (fr) * | 1989-05-12 | 1993-04-09 | Essilor Int | Procede de realisation d'un element diffractif, utilisable notamment dans la fabrication de lentilles optiques artificielles, et lentilles ainsi obtenues |
WO1991016865A1 (en) * | 1990-05-02 | 1991-11-14 | Thompson Keith P | Adjustable reprofiling of synthetic lenticules |
US5217491A (en) * | 1990-12-27 | 1993-06-08 | American Cyanamid Company | Composite intraocular lens |
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US5480950A (en) * | 1992-09-28 | 1996-01-02 | Kabi Pharmacia Ophthalmics, Inc. | High refractive index hydrogels and uses thereof |
US5457140A (en) * | 1993-07-22 | 1995-10-10 | Johnson & Johnson Vision Products, Inc. | Method of forming shaped hydrogel articles including contact lenses using inert, displaceable diluents |
US6197019B1 (en) * | 1994-04-25 | 2001-03-06 | Gholam A. Peyman | Universal implant blank for modifying corneal curvature and methods of modifying corneal curvature therewith |
US5681871A (en) * | 1995-05-24 | 1997-10-28 | Johnson & Johnson Vision Products, Inc. | Method for preparing ultraviolet radiation absorbing contact lenses |
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-
2002
- 2002-05-31 US US10/161,394 patent/US20030223954A1/en not_active Abandoned
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2003
- 2003-05-23 JP JP2004508706A patent/JP2005527688A/ja active Pending
- 2003-05-23 DE DE03729109T patent/DE03729109T1/de active Pending
- 2003-05-23 EP EP03729109.3A patent/EP1509172B1/en not_active Expired - Lifetime
- 2003-05-23 WO PCT/US2003/016380 patent/WO2003101348A1/en active Application Filing
- 2003-05-23 ES ES03729109T patent/ES2235677T1/es active Pending
- 2003-05-23 CN CNB038126087A patent/CN100536800C/zh not_active Expired - Fee Related
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- 2003-05-23 KR KR10-2004-7019281A patent/KR20050012254A/ko not_active Application Discontinuation
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2005
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JP2005527688A (ja) | 2005-09-15 |
AU2003233669A1 (en) | 2003-12-19 |
CN1658808A (zh) | 2005-08-24 |
US20060009843A1 (en) | 2006-01-12 |
US20090299348A1 (en) | 2009-12-03 |
WO2003101348A1 (en) | 2003-12-11 |
AU2003233669B2 (en) | 2008-06-19 |
KR20050012254A (ko) | 2005-01-31 |
EP1509172B1 (en) | 2013-09-04 |
ES2235677T1 (es) | 2005-07-16 |
US20030223954A1 (en) | 2003-12-04 |
EP1509172A1 (en) | 2005-03-02 |
DE03729109T1 (de) | 2005-08-18 |
CA2487574A1 (en) | 2003-12-11 |
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