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    • 85. 发明授权
    • Medicament coated refractive anterior chamber ocular implant
    • 药物涂层折叠前房眼植入物
    • US6143028A
    • 2000-11-07
    • US063624
    • 1998-04-20
    • Miles A. GalinJoseph C. SalamoneStanley C. Israel
    • Miles A. GalinJoseph C. SalamoneStanley C. Israel
    • A61F2/14A61L27/00A61L27/34A61L33/00A61F2/16
    • A61F2/1605A61F2/147A61L27/34A61L33/0011A61L33/0094A61L2430/16Y10S623/901
    • A minus power anterior chamber ocular implant for placement in the anterior chamber of a phakic eye having an anatomic lens in situ comprises a negative artificial refracting lens having at least one concave surface, a surface coating which comprises a compatible sulfated polysaccharide medicament coating, such as heparin, and having a structure which positions the artificial lens in the anterior chamber of the eye to prevent contact between the implant and the anatomic lens. The implant compensates for refractive errors or creates a specific refraction to assist in visual function and has increased biocompatibility in the anterior chamber of the eye, thereby preventing or mitigating detrimental effects typically associated with the implantation of an uncoated refractive anterior chamber implant in the eye. A method of preparing such a minus power anterior chamber ocular implant comprises first exposing an uncoated implant to a plasma to generate a plasma-treated implant having a surface containing amines, carboxylic acids, active free radicals or passive free radicals, and thereafter bonding the medicament to the plasma-treated implant surface. A method of treating myopia comprises surgically implanting and anchoring the implant in the phakic eye to compensate for refractive errors.
    • 用于放置在具有解剖镜片的晶状体眼的前房中的负功率前房眼植入物包括具有至少一个凹表面的负人造折射透镜,包含相容的硫酸化多糖药物涂层的表面涂层,例如 肝素,并且具有将人造镜片定位在眼睛前房中以防止植入物和解剖镜片之间接触的结构。 植入物补偿屈光不正或产生特定折射以辅助视觉功能,并且增加眼睛前房中的生物相容性,从而防止或减轻通常与眼睛中未涂覆的折射性前房植入物植入有关的有害影响。 制备这种负电源前房眼植入物的方法包括首先将未涂覆的植入物暴露于等离子体以产生具有包含胺,羧酸,活性自由基或被动自由基的表面的等离子体处理的植入物,然后将药物 到等离子体处理的植入物表面。 治疗近视的方法包括将植入物手术植入和固定在晶状体眼中以补偿屈光不正。