Matches 201 - 250 out of 345 < 1 2 3 4 5 6 7 >
Match Document Document Title
5591174 Microkeratome and method and apparatus for calibrating a microkeratome  
An apparatus for calibrating the blade extension of a microkeratome includes a magnifying device and a fixture for holding the microkeratome assembly adjacent thereto. The magnifying device defines...
5591185 Method and apparatus for reprofiling or smoothing the anterior or stromal cornea by scraping  
A method for reprofiling or otherwise smoothing and enhancing the anterior or stromal cornea by scraping. The method is useful as a primary technique for reprofiling the stromal portion of the...
5578049 Optical zone marker for refractive surgery  
The marker is a hollow cylindrical member having a given height between two opposite ends and a given radius with an opening extending therethrough between the two ends and a central axis extending...
5571124 Apparatus and method for performing surgery on the cornea of an eye  
The present invention includes a cutting blade for performing eye surgery. The cutting blade has a dull distal edge. The sides of the cutting blade have edges, at least a portion of which are...
5569280 Ophthalmic template  
An ophthalmic template that is used for cutting an opening in the anterior capsule of the eye. It comprises a first member that has the same shape as the opening that is to be cut. A vacuum...
5569279 Surgical abrading device  
An abrading device for use in surgery such as cataract removal utilizing an element having a resilient body. The element includes an outer surface capable of abrading cellular material from a...
5562693 Cutting blade assembly for a surgical scissors  
The present invention includes a stationary outer blade and a rotating inner cutting blade. A unique blade design and geometry allows clean, smooth cuts in fibrous tissue.
5562691 Ophthalmic surgical apparatus  
An ophthalmic surgical apparatus for vitreous surgery in the eyeball comprises a probe provided with a guide knife, having an end portion formed in a predetermined curve, and a dissecting knife...
5556406 Corneal template and surgical procedure for refractive vision correction  
A method for the selective removal of corneal tissue, and change of curvature thereof, for refractive vision correction, by means of a correction template in conjunction with a planar cutting high...
5556417 Luminescent eye fixation device  
A phosphorescent ophthalmic instrument for fixating a patient's eye during an ophthalmic procedure. The instrument includes a fixation structure attachable to the patient's eye, at least a portion...
5549622 Method for altering the curvature of the cornea  
A method for altering the curvature of the cornea of an eye includes the steps of making pairs of closely spaced, parallel incisions at predetermined sites on the surface of the cornea; removing...
5549623 Endodissector surgical instrument  
A surgical cutting instrument having a surgeon operable control handle for advancing a blade over a fenestrated hook so that tissue within said fenestrated window area is dissected.
5545172 Rocking foot plate for surgical knife  
This invention discloses a surgical knife which is suitable for use in astigmatic radial keratotomy, and similar procedures and which includes an elongated diamond blade, a blade holder, and a...
5538016 Method of non-incisional vision enhancement of postoperative incisional keratorefractive surgery of the cornea  
A method of reopening healing or healed corneal incision lines by applying pressure to the front surface of the cornea and thereby creating a physical shearing force on cornea incision lines which...
5531753 Surgical correction of astigmatism  
A surgical procedure to correct astigmatism comprises performing a first pair of incisions across the cornea's steepest meridian at a first optical zone and an additional two to four incisions...
5527328 Apparatus to automatically position and operate surgical instruments  
An apparatus to automatically position and operate surgical instruments, particularly for refractive keratic surgery, particularly lamellar refractive surgery, which includes a device for correctly...
5507759 Variable resection keratoplasty method  
A process for correcting the focusing aberrance of a patient's eye by sectioning one or more lamellar portions off the external surface of the cornea to either increase or decrease the external...
5505722 Corneal curvature adjusting ring  
Surgical apparatus for inserting a plastic, split end, adjusting ring into the stroma of the cornea of the eye wherein the adjusting ring includes, as a part thereof, a dissecting head to part the...
5487747 Opthalmic surgical apparatus for macerating and removing the lens nucleus from the eye of a living being  
An ophthalmic surgical device for macerating the lens nucleus in the eye and for removing particles of the macerated lens nucleus from the eye of a living being, includes a hand-held housing with a...
5464417 Apparatus and method for supporting and cutting cornea tissue  
A cornea holder for independently holding a predetermined portion of cornea tissue having a corneal button, an endothelial surface and an epithelial surface includes a one-piece, ring-like support...
5458610 Refractive surgery knife and process  
The refractive surgery keratotomy knife has a handle with a footplate with an opening for receiving a surgical blade. The footplate is adapted to be placed against the cornea of the eye. The blade...
5447517 Apparatus and method of calibrating a surgical knife  
An apparatus and method for zeroing, calibrating and setting a surgical knife. The surgical knife includes a blade that has a tip which can move relative to a footplate that extends from the body...
5441511 Keratotome for performing arcuate incisions  
The present invention relates to a keratotome for forming arcuate incisions in a cornea for the purpose of correcting astigmatism. To this end, the keratotome (3) comprises a tubular outer support...
5437657 Instrument for ophthalmological surgery  
The surgical instrument apparatus emits a narrow beam of light that exits a point on the blade. The light crosses in front of the blade at a point predetermined by the surgeon. The light is...
5431671 Surgical knife with retractable and angularly adjustable blade  
A surgical knife intended for use in ophthalmic surgery has a blade which is angularly adjustable with respect to the knife handle without requiring removal of the blade or adjustment of mechanical...
5423840 Keratorefractive diamond blade and surgical method  
A keratorefractive surgical blade has opposing sides and first and second edges which intersect each other to form a point. The first edge is shaped to form a sharp cutting edge extending from the...
5423841 Intraocular knife  
An ophthalmic surgical device is provided for facilitating a continuous, smooth, curve linear, stress-free, tag-free cut of the anterior capsule which comprises a handle, a blade rotatably mounted...
5423330 Capsule suction punch instrument and method of use  
A surgical instrument is provided having a tubular body including a distal portion, a proximal portion and a mid portion. A cutting member having a cutting edge is longitudinally received within...
5411510 Surgical blade and method for ocular surgery  
A surgical blade and method incorporating the surgical blade which ensure uniform incision depth and angulation, and the creation of self sealing surgical wounds during cataract surgery.
5405355 Method of radial keratotomy employing a vibrating cutting blade  
Radial keratotomies can be performed by incising centrifugally. A vibrating diamond front cutting blade with a reverse cutting edge incises centrifugally to form a squared-off incision at the...
5395385 Apparatus for surgically re-profiling the cornea  
Refractive error of the cornea is corrected by a scraping procedure of rotating or oscillating, about a center axis of the cornea, a sharpened knife edge blade that is tangential to and against...
5391177 Ophthalmic lance  
An ophthalmic lance includes a retractable blade and a sheath, the retractable blade can only be exposed when a button is pressed down. The blade is attached to a spring loaded stem so that when...
5376099 Undercut diamond surgical blade and method of using the same  
Surgical blades, knives and keratotomy procedures are provided which are capable of severing deep corneal tissue in the optical zone without penetrating the surface of this zone and causing optical...
5372580 Gel injection adjustable keratoplasty  
The present invention provides a surgical technique and instrument kit that allows for subtle modification of the corneal curvature by interlamellar injection of a synthetic gel at the corneal...
5370652 Surgical knife blade for making sutureless incisions in the eye and methods therefor  
A surgical knife blade includes a cutting blade for penetrating tissue of the eye. First indicia is carried on the cutting blade proximally spaced from a tip thereof for being aligned with an...
5370641 Laser trabeculodissection  
This invention contemplates the use of a surgical laser device characterized by ultra-violet or infrared radiation to achieve controlled trabeculodissection in selected regions of the trabecular...
5368604 Method and apparatus for surgically profiling the cornea using vacuum  
Refractive error of the cornea is corrected by a scraping procedure performed within a vacuum chamber formed above the cornea.
5352233 Scalpel and technique for using scalpel  
To control the angle of an incision by a surgical scalpel during microsurgery, a scalpel has a double-beveled thin blade with reflective and light-absorbing matted portions on its surface whereby...
5342377 Rotating blade capsulotomy instrument and method of performing a capsulotomy  
An instrument and method for performing a capsulotomy where the instrument is in the form of a tubular probe through which irrigation fluid may be passed, the end of the probe carrying a thin blade...
5342378 Sectioning device for lamellar surgery  
A keratome is machined from a single block of material to form front and back portions that cannot become distorted during use. The blade is held at a reduced angle and a surface defining a chamber...
5336235 Keratome  
A keratome is disclosed for use in eye surgery. The keratome includes an elongated handle having two ends. A blade is secured to one end of the handle so that the blade has a cutting edge spaced...
5336236 Surgical knife and method for performing radial keratotomy enhancement surgery  
A surgical knife and a method for enhancing incisions in radial keratotomy enhancement surgery on an eye having a cornea and a central optical zone, where a generally radial incision previously...
5334213 Corneal press  
A corneal press is disclosed for accurately trephining corneal tissue. The disclosed press includes a base support member, a modular cutting block, two guide posts, a collet mount, a threaded drive...
5318044 Method and apparatus for re-profiling the cornea to correct for hyperopia  
Hyperopia (far-sighted) refractive error of the cornea is corrected by a scraping procedure of rotating or oscillating a tool having a central pressure pad with a plurality of curved sharpened...
5318046 Method for corneal reprofiling  
A method of reshaping a cornea to meet the refractive needs of a patient is provided which includes: providing apparatus suitable for conducting keratomileusis in situ, the apparatus including a...
5314439 Host cornea marking device  
A host cornea marking device for providing marks on a recipient cornea bed of a corneal transplant patient is disclosed. The present marking device includes: an outer tube having a plurality of...
5312428 Corneal punch and method of use  
A corneal punch for cutting a portion of corneal tissue. The corneal punch includes a support stand including a base portion having a recess formed therein. First and second pins extend upwardly...
5312330 Medical treatment of the eye involving removal of the epithelium  
A method and device for lifting the epithelium from a selected area of the eye using an incision instrument for cutting the epithelium to define an area of the epithelium to be removed, and a fluid...
5312424 Conreal curvature adjustment ring  
Surgical apparatus for inserting a plastic, split end, adjusting ring into the stroma of the cornea of the eye wherein the adjusting ring includes, as a part thereof, a dissecting head to part the...
5290301 Cam guided corneal trephine  
A cam guided corneal trephine for selectively cutting a portion of an eye is provided herein. The cam-guided corneal trephine comprises a base, a coarse adjusting ring, interchangeable annular...
Matches 201 - 250 out of 345 < 1 2 3 4 5 6 7 >