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CN106308977A - 带囊袋的人工虹膜 - Google Patents

带囊袋的人工虹膜 Download PDF

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Publication number
CN106308977A
CN106308977A CN201610790989.XA CN201610790989A CN106308977A CN 106308977 A CN106308977 A CN 106308977A CN 201610790989 A CN201610790989 A CN 201610790989A CN 106308977 A CN106308977 A CN 106308977A
Authority
CN
China
Prior art keywords
iris
artificial
capsule
top layer
retainer ring
Prior art date
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Pending
Application number
CN201610790989.XA
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English (en)
Inventor
李海波
颜华
蔡锦红
李晓峰
伍端晓
黄艳明
吴东海
陈燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiamen ophthalmology Center Co Ltd of Xiamen University
Original Assignee
XIAMEN EYE CENTER OF XIAMEN UNIVERSITY
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Filing date
Publication date
Application filed by XIAMEN EYE CENTER OF XIAMEN UNIVERSITY filed Critical XIAMEN EYE CENTER OF XIAMEN UNIVERSITY
Priority to CN201610790989.XA priority Critical patent/CN106308977A/zh
Publication of CN106308977A publication Critical patent/CN106308977A/zh
Priority to US16/071,908 priority patent/US20190053889A1/en
Priority to DE112017000217.6T priority patent/DE112017000217T5/de
Priority to PCT/CN2017/098464 priority patent/WO2018040979A1/zh
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • 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
    • A61F2/02—Prostheses implantable into the body
    • A61F2/14—Eye parts, e.g. lenses or corneal implants; Artificial eyes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • 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
    • A61F2/02—Prostheses implantable into the body
    • A61F2/14—Eye parts, e.g. lenses or corneal implants; Artificial eyes
    • A61F2/16—Intraocular lenses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • 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
    • A61F2/02—Prostheses implantable into the body
    • A61F2/14—Eye parts, e.g. lenses or corneal implants; Artificial eyes
    • A61F2/16—Intraocular lenses
    • A61F2/1602—Corrective lenses for use in addition to the natural lenses of the eyes or for pseudo-phakic eyes
    • A61F2/1605—Anterior chamber lenses for use in addition to the natural lenses of the eyes, e.g. iris fixated, iris floating
    • A61F2/1608—Iris fixated, e.g. by clamping iris tissue, by suturing to the iris
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0008—Fixation appliances for connecting prostheses to the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0001—Means for transferring electromagnetic energy to implants

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)

Abstract

本发明公开了一种带囊袋的人工虹膜，包括顶层虹膜、底层虹膜和二个以上的固定环；所述的顶层虹膜的中央开设一个内孔，顶层虹膜与底层虹膜外缘固定在一起，形成一个囊袋，在顶层虹膜与底层虹膜顶部结合处开设一个用于植入人工晶状体的开口；所述的二个以上的固定环固定安装在底层虹膜的背面。由于本发明在虹膜本体的背面固定安装有作为缝线固定人工虹膜时的固定环，缝线可穿过虹膜本体的固定环固定于巩膜壁上。此外，本发明采用丙烯酸酯为材料，制作超薄带囊袋的人工虹膜组织，折叠后植入眼内时仅需2.8mm切口甚至更小切口，二期植入人工晶状体时，可直接植入囊袋内，人工晶状体无需再次通过聚丙烯缝线固定于眼球巩膜壁。

Description

带囊袋的人工虹膜
技术领域
本发明涉及医疗器械领域，特别是涉及一种带囊袋的人工虹膜。
背景技术
人工虹膜常应用于无虹膜全缺失或部分缺失外伤眼中，对于眼底功能好的外伤眼，常需联合植入人工晶体，目前市面上存在带人工虹膜膈的人工晶状体，能够一期同时达到人工虹膜及人工晶状体的作用，不过植入眼内需经较大角膜切口，给手术中带来低眼压，爆发性脉络膜上腔出血的风险，同时手术后角膜切口残留散光较大，引起角膜新生血管较多；也有人工晶状体及人工虹膜分次植入情况，但二次植入均需做巩膜瓣切口通过睫状沟缝线固定，增加了出血，对睫状体的再刺激。
发明内容
本发明的目的在于提供一种易于固定和易于植入人工晶状体的带囊袋的人工虹膜。
为实现上述目的，本发明的技术解决方案是：
本发明是一种带囊袋的人工虹膜，包括顶层虹膜、底层虹膜和二个以上的固定环；所述的顶层虹膜的中央开设一个内孔，顶层虹膜与底层虹膜外缘固定在一起，形成一个囊袋，在顶层虹膜与底层虹膜顶部结合处开设一个用于植入人工晶状体的开口；所述的二个以上的固定环固定安装在底层虹膜的背面。
所述的固定环为四个，四个固定环两两为一组，上下平行布置，固定环为半圆形。
所述的顶层虹膜正面的颜色为通过电脑采集患者健康眼睛虹膜颜色及纹理仿制而成，外径11-13mm，内孔直径3-5mm，厚度0.2-0.4mm。
所述的固定环为半圆形，其直径为0.2mm。
采用上述方案后，由于本发明在虹膜本体的背面固定安装有作为缝线固定人工虹膜时的固定环，缝线可穿过虹膜本体的固定环，固定于角巩膜缘后1.5毫米的巩膜壁上，达到固定本发明的目的。此外，本发明采用丙烯酸酯为材料，制作超薄带囊袋的人工虹膜组织，折叠后植入眼内时仅需2.8mm切口甚至更小切口，通过人工虹膜膈后的固定环结合聚丙烯缝线固定于眼球巩膜板层，二期植入人工晶状体时，可直接植入囊袋内，人工晶状体无需再次通过聚丙烯缝线固定于眼球巩膜壁；同时由于顶层虹膜颜色通过电脑采集，可确保其纹理和颜色与患者另一个健康眼睛的虹膜颜色纹理保持一致，确保术后患者眼睛的自然美观。
下面结合附图和具体实施例对本发明作进一步的说明。
附图说明
图1是本发明的立体分解图；
图2是本发明的剖视图；
图3是本发明装有人工晶状体的分解图；
图4是本发明顶层虹膜的正视图；
图5是本发明底层虹膜的后视图；
图6是本发明弯折的状态图；
图7是本发明植入眼内的正视图；
图8是本发明植入眼内的侧视图；
图9是本发明植入人工晶状体的示意图。
具体实施方式
如图1-图5所示，本发明是一种带囊袋的人工虹膜，包括顶层虹膜1、底层虹膜2和四个固定环3。
所述的顶层虹膜1的中央开设一个内孔11，顶层虹膜1与底层虹膜2外缘固定在一起，形成一个囊袋，在顶层虹膜1与底层虹膜2顶部结合处开设一个用于植入人工晶状体4的开口12。
所述的四个固定环3两两为一组，上下平行布置，分别固定安装在底层虹膜2的背面，作为缝线固定人工虹膜时的脚。在本实施例中，所述的固定环3为半圆形，其直径为0.2mm。
所述的顶层虹膜1与底层虹膜2皆采用丙烯酸酯材料制成，顶层虹膜1的正面的颜色及纹理是根据电脑采集健眼虹膜颜色及纹理仿制而成，顶层虹膜1的外径11-13mm，内孔直径3-5mm，厚度0.2-0.4mm。
本发明的手术过程：
如图6所示，手术时，虹膜本体1折叠后通过2.8mm切口植入眼内，再展开。
如图7、图8所示，缝线10可穿过虹膜本体1的四个固定环3，固定于角巩膜缘后1.5毫米的巩膜壁20上，达到固定的目的。
如图9所示，将人工晶状体从顶层虹膜1与底层虹膜2之间的开口12植入，无需额外固定。
以上所述，仅为本发明较佳实施例而已，故不能以此限定本发明实施的范围，即依本发明申请专利范围及说明书内容所作的等效变化与修饰，皆应仍属本发明专利涵盖的范围内。

Claims (4)

1.一种带囊袋的人工虹膜，其特征在于：包括顶层虹膜、底层虹膜和二个以上的固定环；所述的顶层虹膜的中央开设一个内孔，顶层虹膜与底层虹膜外缘固定在一起，形成一个囊袋，在顶层虹膜与底层虹膜顶部结合处开设一个用于植入人工晶状体的开口；所述的二个以上的固定环固定安装在底层虹膜的背面。
2.根据权利要求1所述的带囊袋的人工虹膜，其特征在于：所述的固定环为四个，四个固定环两两为一组，上下平行布置，固定环为半圆形。
3.根据权利要求1所述的带囊袋的人工虹膜，其特征在于：所述的顶层虹膜正面的颜色为通过电脑采集患者健康眼睛虹膜颜色及纹理仿制而成，外径11-13mm，内孔直径3-5mm，厚度0.2-0.4mm。
4.根据权利要求1所述的带囊袋的人工虹膜，其特征在于：所述的固定环为半圆形，其直径为0.2mm。
CN201610790989.XA 2016-08-31 2016-08-31 带囊袋的人工虹膜 Pending CN106308977A (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201610790989.XA CN106308977A (zh) 2016-08-31 2016-08-31 带囊袋的人工虹膜
US16/071,908 US20190053889A1 (en) 2016-08-31 2017-08-22 Artificial iris having pouch
DE112017000217.6T DE112017000217T5 (de) 2016-08-31 2017-08-22 Künstliche Iris mit einem Beutel
PCT/CN2017/098464 WO2018040979A1 (zh) 2016-08-31 2017-08-22 带囊袋的人工虹膜

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610790989.XA CN106308977A (zh) 2016-08-31 2016-08-31 带囊袋的人工虹膜

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CN106308977A true CN106308977A (zh) 2017-01-11

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US (1) US20190053889A1 (zh)
CN (1) CN106308977A (zh)
DE (1) DE112017000217T5 (zh)
WO (1) WO2018040979A1 (zh)

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WO2018040979A1 (zh) * 2016-08-31 2018-03-08 厦门大学附属厦门眼科中心有限公司 带囊袋的人工虹膜
CN108567508A (zh) * 2017-03-07 2018-09-25 爱博诺德（北京）医疗科技有限公司 眼内植入物
CN114504428A (zh) * 2022-01-29 2022-05-17 中国人民解放军总医院第一医学中心 人工囊袋及其植入器械与方法
CN115887060A (zh) * 2022-12-09 2023-04-04 山东第一医科大学附属省立医院(山东省立医院) 一种可折叠人工虹膜

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US20070162115A1 (en) * 2003-05-20 2007-07-12 Heino Hermeking Fixation ring for endocapsulary or extracapsulary prosthetic reconstruction in the anterior section region of the human eye
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CN204698755U (zh) * 2015-05-18 2015-10-14 爱博诺德（苏州）医疗器械有限公司 一种可固定人工晶状体的人工虹膜

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WO2018040979A1 (zh) * 2016-08-31 2018-03-08 厦门大学附属厦门眼科中心有限公司 带囊袋的人工虹膜
CN108567508A (zh) * 2017-03-07 2018-09-25 爱博诺德（北京）医疗科技有限公司 眼内植入物
CN114504428A (zh) * 2022-01-29 2022-05-17 中国人民解放军总医院第一医学中心 人工囊袋及其植入器械与方法
CN114504428B (zh) * 2022-01-29 2024-05-24 中国人民解放军总医院第一医学中心 人工囊袋及其植入器械与方法
CN115887060A (zh) * 2022-12-09 2023-04-04 山东第一医科大学附属省立医院(山东省立医院) 一种可折叠人工虹膜

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