一种白内障手术用反式劈核钩-PCT专利申请案例
发布时间：2017-11-06专利名称：一种白内障手术用反式劈核钩
申请类型：PCT专利申请
著录项信息
申请号：PCT/CN2016/094425
申请日：20160810
公开（公告）号：WO/2016/198028
公开日：20161215
申请（专利权）人：BEIJING TONGRENG HOSPITAL,CMU首都医科大学附属北京同仁医院
发明人：ZHAO,Yang赵阳;ZHU,Siquan朱思泉;YANG,Ke杨珂
主分类号：A61F9/007
分类号：A61F9/007;A61F9/007
地址：{Court Zhao Xi 1803中国北京市大兴区亦庄小羊坊南街远洋天著悦山1803朝曦阁,Beijing 102600Yizhuang small Yang Fang Street Ocean Tianzhaoyueshan,DaxingBeijing 102600;CN CN(CN)(CN)}
优先权：20150609 CN201510314207.0;20150609 CN201510314207.0
代理机构：BEIJING AIPUNAJIE PATENT FIRM北京爱普纳杰专利代理事务所（特殊普通合伙）
摘要信息
A reverse-type nucleus chopping hook for cataract surgery.The nucleus chopping hook is made from a titanium alloy material,and comprises a hook handle(1)and a hook body(2)connected to the hook handle(1)as an integrated structure,several longitudinal anti-slide ridges(11)being distributed along the axial direction of the surface of the hook handle(1),a rear section of the hook body(2)extending along the axial direction of the hook handle(1),a front section of the hook body bending upwards as a whole,an end portion of the front section of the hook body(2)bending downwards and forming a curved hook(21)by bending inwards,the curvature of the curved hook(21)increasing incrementally with the extension of the curved hook(21),two ends of the curved hook(21)being rounded structures,the linear distance between the two ends of the curved hook(21)being 2.2-2.6 mm,the inside of the curved bend of the curved hook(21)being provided with a blade(211).The reverse-type nucleus chopping hook for cataract surgery has a reasonable structure,operates in a safe and reliable manner,grasps a nucleus firmly,chops the nucleus more thoroughly,and has a high nucleus chopping efficiency.The titanium alloy material has advantages such as high strength,good corrosion resistance and high heat resistance,so that the nucleus chopping hook may be re-used after being thoroughly sterilised,thereby ensuring the reasonable allocation of resources.A reverse-type nucleus chopping hook for cataract surgery.The nucleus chopping hook is made from a titanium alloy material,and comprises a hook handle(1)and a hook body(2)connected to the hook handle(1)as an integrated structure,several longitudinal anti-slide ridges(11)being distributed along the axial direction of the surface of the hook handle(1),a rear section of the hook body(2)extending along the axial direction of the hook handle(1),a front section of the hook body bending upwards as a whole,an end portion of the front section of the hook body(2)bending downwards and forming a curved hook(21)by bending inwards,the curvature of the curved hook(21)increasing incrementally with the extension of the curved hook(21),two ends of the curved hook(21)being rounded structures,the linear distance between the two ends of the curved hook(21)being 2.2-2.6 mm,the inside of the curved bend of the curved hook(21)being provided with a blade(211).The reverse-type nucleus chopping hook for cataract surgery has a reasonable structure,operates in a safe and reliable manner,grasps a nucleus firmly,chops the nucleus more thoroughly,and has a high nucleus chopping efficiency.The titanium alloy material has advantages such as high strength,good corrosion resistance and high heat resistance,so that the nucleus chopping hook may be re-used after being thoroughly sterilised,thereby ensuring the reasonable allocation of resources.
背景技术
白内障指眼球内的晶状体发生混浊、由透明变成不透明，阻碍光线进入眼内，从而影响视力，早期混浊轻微或范围较小时不影响视力，而后逐渐加重至明显影响视力甚至失明。目前随着社会的发展，人口老龄化日益严重，老年性白内障的发病也日益增多，白内障引起的视力下降无法通过配带眼镜矫正，药物治疗也难以取得有效的治疗效果，只有通过手术才是解决白内障唯一有效的方法。现在最常用的手术方式是超声乳化手术，这种手术操作起来十分简单，手术时医生会在角膜上开一个2至3毫米左右的小切口，然后深入笔尖大小的设备将浑浊的晶状体粉碎并吸除，再通过这个切口植入人工晶体进行固定，整个手术过程只需十几分钟。超声乳化手术具有创伤小、伤口愈合快、术后反应轻及视力恢复快等优点。
劈核钩是超声乳化手术中最重要的器具之一，劈核钩设计的合理与否甚至能够直接决定手术的成败。申请号为CN102784031A的专利申请文件中公开了一种超生乳化劈核钩，包括钩柄和钩头，其中钩头为弧形构，弧形钩的弧形弯曲内侧为刀刃，弧形钩呈半圆弧状，弧形钩的横截面呈三角形，三角形底边呈弧形，该劈核钩操作方便，便于掌握，更加适合医疗新手操作，保证了手术质量，避免增加患者疾苦。
编辑：蜗牛纳@北京爱普纳杰专利代理机构
来源：纳杰微信公众号（najieip）
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