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Class 623/5.11 - Corneal implant


Subclass of Class 623 - Prosthesis (i.e., artificial body members), parts thereof, or aids and accessories therefor
Definition: Subject matter wherein the artificial substitute or part
No. of patents: 104
Last issue date: 02/07/2012


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NumberTitleIssue Date
8109997Hydrophobic pseudo-endothelial implants for treating corneal edema
An ocular implant including a hydrophobic pseudo-endothelial implant and a binding agent applied thereto, the binding agent capable of bonding the implant to a posterior portion of a cornea such that the implant serves as a water barrier enabling dehydration of the ...
02/07/2012
8057541Method of using small diameter intracorneal inlays to treat visual impairment
Provided herein are small diameter inlays for correcting vision impairments by altering the shape of the anterior corneal surface. In an embodiment, inlays having diameters smaller than the pupil are provided for correcting presbyopia. To provide near vision, an inl...
11/15/2011
8043369Biomedical devices
Biomedical devices such as silicone hydrogels formed from a polymerization product of a mixture comprising (a) a siloxane-containing homopolymer comprising one or more thio carbonyl thio fragments of a reversible addition fragmentation chain transfer (RAFT) agent; a...
10/25/2011
7828844Inserting lenses into corneal epithelial pockets to improve vision
Methods of correcting vision are described. The methods include inserting a lens into a corneal epithelial pocket or a pocket created between a corneal epithelium of an eye of a patient and Bowman's membrane of the eye. A lens is inserted into the pocket to correct ...
11/09/2010
7776086Aspherical corneal implant
A corneal implant having an aspheric surface for modifying the cornea curvature and altering the corneal refractive power. The corneal implant has a lens body formed of an optically clear bio-compatible material, preferably with an index of refraction substantially ...
08/17/2010
7476248Method of calculating the required lens power for an opthalmic implant
A method for calculating the required cylindrical power of a toric implant by using both the measured pre-operative corneal/ocular astigmatism and the predicted surgically-induced astigmatism. The post-operative corneal/ocular astigmatism is predicted using power ve...
01/13/2009
7402175Vision prosthesis orientation
A vision prosthesis includes an optical element having a surface that is shaped to be positioned near a cornea of an eye, and a magnetic element embedded in the optical element. ...
07/22/2008
7354980High refractive index polymers for ophthalmic applications
This invention relates to novel copolymers preferably for intraocular lenses (“IOL”), contact lens, and other ophthalmic and optical applications. This invention, in one aspect, relates to copolymer compositions comprising limited amounts of a monomer hav...
04/08/2008
7323010Biomaterial including animal corneal tissue
Biomaterial including tissues basically obtained from an animal cornea, in particular, from a fish cornea. A cardiac valve (10) which may envisage at least one cusp (15) made with an organic tissue obtained from this particular biomaterial. ...
01/29/2008
7287852Intra-ocular lens or contact lens exhibiting large depth of focus
Circular and annular lens zones are disclosed which, at a given lens area, exhibit a depth of focus of a lens of considerably smaller area. The large depth of focus is achieved by imparting the lens zones a refractive power profile. An assembly of such large depth o...
10/30/2007
7252683Intraocular lens for inhibiting cell growth and reducing glare
An intraocular lens implantable in an eye includes an optic for placement in the capsular bag of the eye and for directing light toward the retina of the eye. The optic has a central optical axis, an anterior face, an opposing posterior face and a peripheral edge be...
08/07/2007
7223275System for cutting the cornea of an eye
A system for cutting the cornea of an eye includes a moveable member with a cutting blade at one end, a pivot element disposed thereon, a cutting guide restraint disposed thereon, a mechanism for oscillating the moveable member around the pivot element, and a cuttin...
05/29/2007
7060288Biomedical devices
The present invention is concerned with biomedical device comprising (a) a biocompatible organic or inorganic bulk material and (b) a coating comprising polymerizable carbon-carbon double bonds covalently attached ...
06/13/2006
7048963Layered aligned polymer structures and methods of making same
This invention includes a method of producing a thin, oriented layer of polymer material. The material is preferably produced by the method of introducing a shearing flow to a free surface in a predominantly monomeric solution of the self-assembling polymer sub-unit...
05/23/2006
7044597Multifocal contact lens and method of manufacture thereof
An optical zone for a lens has a center optical axis. A first region of the optical zone includes a first optical curve having a first optical axis that is collinear with the center optical axis. A plurality of secondary regions is formed within the first region. Ea...
05/16/2006
7037335Bulbous scleral implants for the treatment of eye disorders such as presbyopia and glaucoma
Scleral implants are provided having structure that locks the implant into incisions in the sclera and provide a stress thereto. In several embodiments, such structure includes a foot that extends laterally from a bottom of the implant, as well as an opening through...
05/02/2006
7008447Method for producing a multifocal corneal surface using intracorneal microscopic lenses
A method for correcting vision of an eye, including the steps of separating a portion of the cornea to form first and second internal surfaces in the cornea, and then placing at least one microscopic lens in between the first and second internal surfaces in the corn...
03/07/2006
7001374Adjustable inlay with multizone polymerization
The present invention relates to an inlay for correcting refractive error in an eye. The inlay includes a first portion having a first volume that remains substantially constant when exposed to an energy, and a second portion having a second volume that is adapted t...
02/21/2006
6976997Artificial cornea
The invention provides implants suitable for use as an artificial cornea, and methods for making and using such implants. Artificial corneas having features of the invention may be two-phase artificial corneas, or may be three phase artificial corneas. These artific...
12/20/2005
6976998Minimally invasive retinal prosthesis
An ocular device that can more safely and effectively perform all functions needed of a retinal prosthesis with electronic components that are placed outside the wall of an eye, are powered wirelessly provided by an external power source, and which provide a patient...
12/20/2005
6960230Lens implant
A lens implant serves to replace the lens body of an eye and possesses substantially the same size and shape. It is elastic such that the eye gets back its capability for accommodation. The lens implant has two parts with differing refractive indices and/or differin...
11/01/2005
6893461System for packaging and handling an implant and method of use
A system designed to store an implant together with the tools necessary to implant the stored implant, and a method of using said system. Such system includes an implant storage tool adapted to retain the implant within a storage container. The implant storage tool ...
05/17/2005
6880558Method of lifting an epithelial layer and placing a corrective lens beneath it
This relates to a lens made of donor corneal tissue suitable for use as a contact lens or an implanted lens, to a method of preparing that lens, and to a technique of placing the lens on the eye. The lens is made of donor corneal tissue that is acellularized by remo...
04/19/2005
6875232Corneal implant and method of manufacture
Prosthetic implants designed to be implanted in the cornea for modifying the cornea curvature and altering the corneal refractive power for correcting myopia, and myopia with astigmatism, such implants formed of a micro-porous hydrogel material. ...
04/05/2005
6855163Gradual correction of corneal refractive error using multiple inlays
A system adapted to modify refractivity of a cornea of an eye, including a first component, and adapted to be implanted at a first depth in the cornea. A second component, separate from the first component, is adapted to be implanted at a second depth in the cornea ...
02/15/2005
6789544Modified penetrating keratoplasty method
A method of performing a penetrating keratoplasty in a living eye positions a full-thickness corneal graft obtained from a corneal donor in a full-thickness open bed in the recipient's cornea. The graft is held with a suture to prevent the graft from sliding out of ...
09/14/2004
6786926Method and apparatus for alignment of intracorneal inlay
A method of correcting refractive error in an eye, comprising the steps of marking at least one axis on the surface of the cornea. A portion of the cornea is then separated, forming a first anterior facing surface and a second posterior facing surface. An inlay havi...
09/07/2004
6767934Macromolecular compounds
Macromolecular photocrosslinkers have polymeric backbones of substituted siloxane groups carrying photoactive groups. When exposed to light of wavelength above 305 nm, the photocrosslinkers are adapted to generate radicals which are retained on the macromolecular ph...
07/27/2004
6747090Compositions capable of forming hydrogels in the eye
The invention related to a hydrogel forming aqueous composition of water soluble polymers having a sufficiently high coherency that it substantially not is dispersed when being injected into an aqueous environment of a body site such as the capsular bag of the eye t...
06/08/2004
6733526Method of improving adherence and centering of intra-corneal implants on corneal bed
A partially hydrated lens is provided for implantation into a cornea. The partially hydrated lens has a water content less than the water content of the cornea, resulting in an osmotic pressure differential between the lens and the cornea which improves adhesion bet...
05/11/2004
6712847Scleral expansion segment
The disclosure concerns a scleral expansion segment of the type consisting of an arched rod designed to be placed on the sclera perpendicular to the ciliary body. The free ends of said rod have a spatula shape wider than the diameter of said bridge, so as to constit...
03/30/2004
6689165Surface modifications for enhanced epithelialization
A synthetic device for cornea augmentation and replacement that increases corneal epithelium cell adhesion and migration. Using tethered extracellular matrix proteins (ECMPs), corneal growth factors, and other ligand-specific corneal enhancer species (e.g...
02/10/2004
6645715Artificial cornea
The invention provides an in vitro avascular human corneal equivalent that comprises immortalized human cell lines. As these corneal equivalents are in vitro models, they are maintained in an incubator throughout the testing period, thereby eliminating th...
11/11/2003
6607556Corneal implant and method of manufacture
Prosthetic implants designed to be implanted in the cornea for modifying the cornea curvature and altering the corneal refractive power for correcting myopia, hyperopia, astigmatism, and presbyopia, and, in addition, such implants formed of a micro-porous...
08/19/2003
6589280Method for producing a multifocal corneal surface using intracorneal microscopic lenses
A method for correcting vision of an eye, including the steps of separating a portion of the cornea to form first and second internal surfaces in the cornea, and then placing at least one microscopic lens in between the first and second internal surfaces ...
07/08/2003
6551306Refractive laser ablation through topography
A method and system control the depth of corneal ablation during optical surgery by mapping the anterior and posterior surfaces of a patient's cornea to obtain full pachymetric topographical mapping of the patient's cornea. The patient's corneal pachymetr...
04/22/2003
6543453Methods of refractive correction of the eye
A method of changing the shape and/or size of an intracorneal ring in situ. The intracorneal ring can be a lens. Preferably, the intracorneal ring is made of a collagen-based polymer material such as COLLAMER....
04/08/2003
6541572Method of making high refractive index ophthalmic device materials
Disclosed is a two-step method of making soft, high refractive index, acrylic ophthalmic device materials. In the first step, a copolymer containing pendant oxirane groups is formed by copolymerizing one or more aryl acrylic hydrophobic monomers with one ...
04/01/2003
6508837Segmented pre-formed intrastromal corneal insert
This invention is a pre-formed intrastromal corneal insert. It is made of a physiologically compatible polymer and may be used to adjust corneal curvature and thereby correct vision abnormalities. The insert or segment may also be used to deliver therapeu...
01/21/2003
6454800Corneal onlay
A corneal onlay or corneal implant is disclosed which is to be placed within or onto the surface of the cornea, being a biocompatible, optically transparent, synthetic and biostable polymeric material, said material comprising a surface that supports the ...
09/24/2002
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