Capsular Implant For Maintaining The shape and/or Position of an Opening Formed by Capsulorhexis

a technology of capsular implant and capsule, which is applied in the field of capsular implant for maintaining the shape and/or position of an opening formed by capsulorhexis, can solve the problems of ocular aqueous humour circulation or iris, ocular blindness worldwide, and the inability of the technique to remove other cell types that can invade the capsule from the ocular iris, so as to prevent or minimise the phimosis of the opening

Inactive Publication Date: 2009-09-03
CORONEO MINAS THEODORE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0020]According to another aspect the present invention provides a method of maintaining the structure of an opening in the anterior or posterior capsule formed by a capsulorhexis whereby a device is inserted into opening in the anterior or posterior capsule, the device having a main body including a peripheral portion and an opening therethrough, wherein the peripheral portion engages with the inside peripheral edge of the opening in the anterior or posterior capsule.
[0021]Preferably, the device is inserted into the opening in the anterior or posterior capsule after an intraocular lens has been inserted into the capsular bag during cataract corrective surgery. Preferab

Problems solved by technology

A cataract is a condition where the lens of the eye becomes opaque ultimately leading to impaired vision.
Cataracts are the main cause of blindness worldwide.
In order to counteract this problem, technologies have been developed for removing the lens epithelial cells, however these techniques cannot remove other cell types that can invade the capsule from the ocular aqueous humour circulation or iris.
This can relieve the capsule contraction but can also result in complications such as retinal detachment, macular oedema, lens dislocation a

Method used

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  • Capsular Implant For Maintaining The shape and/or Position of an Opening Formed by Capsulorhexis
  • Capsular Implant For Maintaining The shape and/or Position of an Opening Formed by Capsulorhexis
  • Capsular Implant For Maintaining The shape and/or Position of an Opening Formed by Capsulorhexis

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Embodiment Construction

[0027]The device of the present invention is preferably designed to be inserted into an anterior capsule opening formed by a capsulorhexis, in order to maintain the shape and / or position of the opening over time. The device is preferably composed of a biocompatible material and has the appearance of an inverted tyre wherein the device has a groove in its outer diameter into which the peripheral edge of the opening of the anterior capsule sits.

[0028]A preferable diameter of the device would be 4-8 mm—the “functional” diameter i.e. at the depths of the groove would be 5-5.5 mm to accommodate an “ideal” 5.5 mm opening of the anterior capsule formed from a capsulorhexis. A number of sizes would be available, as an opening of “ideal” size is not always possible. As the opening can be stretched as much as 62%, procedures involving the device of the present invention could aim for a slightly smaller opening size of 4.5-5 mm wherein the device would be “squeezed” into the opening, so that t...

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Abstract

A device and method for maintaining the shape and/or position of an opening formed by a capsulorhexis.

Description

[0001]The present invention relates to a device and method for maintaining the shape and / or position of an opening formed by a capsulorhexis in the anterior or posterior capsule of the eye.BACKGROUND[0002]A cataract is a condition where the lens of the eye becomes opaque ultimately leading to impaired vision. Cataracts are the main cause of blindness worldwide. Treatment consists of a surgical procedure wherein the cataract is extracted and replaced with an intraocular lens.[0003]A central circular capsulorhexis of appropriate size and edge integrity is the key to successful cataract surgery. This is where a continuous circular incision is made in the anterior capsule that then allows for safe phacoemusification surgery and determines centration and stability of the capsular-fixated intraocular lens.[0004]Although cataract extraction aims to remove the content of the capsular bag (the outer layer of the crystalline lens), invariably some lens epithelial cells are left behind, on the...

Claims

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Application Information

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IPC IPC(8): A61F2/16
CPCA61F2/1694A61F2/16A61F2002/16901A61F2002/16902A61F2002/1696A61F2/14A61F2/1613
Inventor CORONEO, MINAS THEODORE
Owner CORONEO MINAS THEODORE
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