CN203425064U - 四固定孔悬吊式人工晶体 - Google Patents
四固定孔悬吊式人工晶体 Download PDFInfo
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- CN203425064U CN203425064U CN201320571033.2U CN201320571033U CN203425064U CN 203425064 U CN203425064 U CN 203425064U CN 201320571033 U CN201320571033 U CN 201320571033U CN 203425064 U CN203425064 U CN 203425064U
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Abstract
一种植入眼内取代天然晶状体、用于后囊膜缺失植入后房悬吊缝线固定的四固定孔悬吊式人工晶体。它是在人工晶体光学部分(1)的外侧增加两个凸缘(2)，凸缘(2)与光学部分(1)是一体的，在凸缘(2)上开有供悬吊线通过的四个固定孔(3)。当缝线悬吊晶体时，将悬吊线通过四个固定孔(3)穿出，固定在巩膜上。
Description
所属技术领域
本实用新型涉及一种植入眼内取代天然晶状体的人工透镜，尤其是用于后囊膜缺失植入后房悬吊缝线固定的人工晶体。
背景技术
中国专利号为ZL92239928.X，实用新型专利名称“三线悬吊式人工晶体”，该专利缺点是悬吊线直接固定在人工晶体上，不利于手术操作；中国专利号为ZL201220191684.4，，实用新型专利名称“四固定孔悬吊式人工晶体”，该专利缺点是支撑袢是没有用的，并且容易变形，造成术后晶体的稳定性差。
发明内容
为了使人工晶体在置入眼睛后有更好的稳定性，本实用新型解决其技术问题所采用的技术方案是：在人工晶体光学部分的外侧延伸出两个凸缘，凸缘与光学部分是一体的，并在凸缘上开有悬吊线通过的固定孔。当缝线悬吊晶体时，将悬吊线通过固定孔穿出，固定在巩膜上。
通过此种方法固定避免了晶体的移位，稳定性好，从而使患者术后的视觉质量较好。
附图说明
下面结合附图和实施例对本实用新型进一步说明。
图1是本实用新型四固定孔悬吊式人工晶体的正面示意图。
图中(1)是晶体光学部分，(2)是凸缘，(3)是固定孔。
具体实施方式
在图1中，人工晶体光学部分(1)的直径一般在5.5-6mm左右，从人工晶体光学部分(1)两侧中间的圆形切面向内倾斜45度，延伸出两个2mm的凸缘(2)，凸缘(2)与光学部分(1)是一体的，并在凸缘(2)上开有悬吊线通过的固定孔(3)，固定孔(3)对称分布，孔直径为0.3mm，两孔相距3.0mm。
Claims (1)
1.一种四固定孔悬吊式人工晶体，包括光学部分(1)、凸缘(2)和悬吊线固定孔(3)，其特征在于：在人工晶体光学部分的外侧延伸出两个凸缘，凸缘与光学部分是一体的，在凸缘上开有供悬吊线通过的四个固定孔。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320571033.2U CN203425064U (zh) | 2013-09-04 | 2013-09-04 | 四固定孔悬吊式人工晶体 |
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| CN201320571033.2U CN203425064U (zh) | 2013-09-04 | 2013-09-04 | 四固定孔悬吊式人工晶体 |
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| CN203425064U true CN203425064U (zh) | 2014-02-12 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10159562B2 (en) | 2014-09-22 | 2018-12-25 | Kevin J. Cady | Intraocular pseudophakic contact lenses and related systems and methods |
| US10299910B2 (en) | 2014-09-22 | 2019-05-28 | Kevin J. Cady | Intraocular pseudophakic contact lens with mechanism for securing by anterior leaflet of capsular wall and related system and method |
| US10945832B2 (en) | 2014-09-22 | 2021-03-16 | Onpoint Vision, Inc. | Intraocular pseudophakic contact lens with mechanism for securing by anterior leaflet of capsular wall and related system and method |
| US11109957B2 (en) | 2014-09-22 | 2021-09-07 | Onpoint Vision, Inc. | Intraocular pseudophakic contact lens with mechanism for securing by anterior leaflet of capsular wall and related system and method |
| US11938018B2 (en) | 2014-09-22 | 2024-03-26 | Onpoint Vision, Inc. | Intraocular pseudophakic contact lens (IOPCL) for treating age-related macular degeneration (AMD) or other eye disorders |
-
2013
- 2013-09-04 CN CN201320571033.2U patent/CN203425064U/zh not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10159562B2 (en) | 2014-09-22 | 2018-12-25 | Kevin J. Cady | Intraocular pseudophakic contact lenses and related systems and methods |
| US10299910B2 (en) | 2014-09-22 | 2019-05-28 | Kevin J. Cady | Intraocular pseudophakic contact lens with mechanism for securing by anterior leaflet of capsular wall and related system and method |
| US10842614B2 (en) | 2014-09-22 | 2020-11-24 | Onpoint Vision, Inc. | Intraocular pseudophakic contact lenses and related systems and methods |
| US10945832B2 (en) | 2014-09-22 | 2021-03-16 | Onpoint Vision, Inc. | Intraocular pseudophakic contact lens with mechanism for securing by anterior leaflet of capsular wall and related system and method |
| US11109957B2 (en) | 2014-09-22 | 2021-09-07 | Onpoint Vision, Inc. | Intraocular pseudophakic contact lens with mechanism for securing by anterior leaflet of capsular wall and related system and method |
| US11432921B2 (en) | 2014-09-22 | 2022-09-06 | Onpoint Vision, Inc. | Intraocular pseudophakic contact lenses and related systems and methods |
| US11571293B2 (en) | 2014-09-22 | 2023-02-07 | Onpoint Vision, Inc. | Intraocular pseudophakic contact lens with mechanism for securing by anterior leaflet of capsular wall and related system and method |
| US11583386B2 (en) | 2014-09-22 | 2023-02-21 | Onpoint Vision, Inc. | Intraocular pseudophakic contact lens with mechanism for securing by anterior leaflet of capsular wall and related system and method |
| US11903818B2 (en) | 2014-09-22 | 2024-02-20 | Onpoint Vision, Inc. | Intraocular pseudophakic contact lenses and related systems and methods |
| US11938018B2 (en) | 2014-09-22 | 2024-03-26 | Onpoint Vision, Inc. | Intraocular pseudophakic contact lens (IOPCL) for treating age-related macular degeneration (AMD) or other eye disorders |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20160904 |