| Patent Number |
Title Of Patent |
Date Issued |
| D325086 |
Ocular unit for eye surgery |
March 31, 1992 |
|
| 5290293 |
Intraocular lens folder |
March 1, 1994 |
| An intraocular lens folder having a generally planar, open frame in the shape of a rounded "A" with a rimmed, open head at the top of the "A." The base of the "A" forms a pair of opposing legs or handles that join to form a hinge at the crotch where the handles attach to the head. The hi |
| 5288290 |
Multi-ported valve assembly |
February 22, 1994 |
| The multi-ported valve assembly includes a valve body having a plurality of individual ports disposed in a common plane and a common port having its axis disposed perpendicularly to the common plane of the individual ports. The valve assembly includes a selector means having a body porti |
| 5282855 |
Vaulted intraocular lens having curved slanted haptic |
February 1, 1994 |
| An intraocular lens designed for ease of insertion and for minimizing contact with intraocular tissues comprises a lens body having an optical axis, two optical surfaces and a periphery to which is fixed at least one filamentous haptic extending circumferentially and radially from the po |
| 5282852 |
Method of calculating the required power of an intraocular lens |
February 1, 1994 |
| A method of calculating the required power of an intraocular lens to be implanted in an eye having the steps of measuring the axial length, preoperative anterior chamber depth and natural lens thickness of the eye, measuring and averaging corneal radii of curvature along a first axis and |
| 5282786 |
Infusion sleeve for surgical ultrasonic apparatus |
February 1, 1994 |
| An infusion sleeve for an ultrasonic tissue removal surgical tool includes a sleeve designed to surround the ultrasonically driven tip of the surgical tool and create an irrigation fluid channel thereinbetween. The sleeve includes a flexible portion which permits retraction of the distal |
| 5279547 |
Computer controlled smart phacoemulsification method and apparatus |
January 18, 1994 |
| A method and apparatus for operating on the human eye detects changes in load, more specifically, mechanical impedance, of the transducer and controls aspiration based on the load changes. A change from a lower load to a higher load indicates that harder tissue is being encountered and |
| 5272709 |
Frequency doubled laser having power triggered optimization and regulation |
December 21, 1993 |
| A nonlinear optical device having a yttrium-aluminum-garnet or yttrium-lithium-fluoride laser rod for producing radiation of a fundamental wavelength, a first mirror located in front of the laser rod along the longitudinal axis of the laser rod reflective of the radiation of the fund |
| 5267956 |
Surgical cassette |
December 7, 1993 |
| A cassette having a one-piece housing adapted to be held in operative association with a control console. Integrally formed channels on the external surface of the housing form three sides of various fluid flow passages within the cassette. A plastic gasket adhered to the cassette se |
| 5261883 |
Portable apparatus for controlling fluid flow to a surgical site |
November 16, 1993 |
| A system and apparatus are disclosed for controlling amounts of fluid flow to and from a surgical site. The system includes a surgical handpiece having means including a passage for allowing fluid flow to and from a surgical site. A dispensing assembly is couplable to the handpiece for |
| 5260953 |
Tunable solid-state laser |
November 9, 1993 |
| A solid-state tunable laser having a ND:YAG pumping source, a chromium-doped fosterite crystal lasing medium, a birefringent filter for selecting a specific fundamental wavelength, a pair of harmonic generating crystals mounted on counter-rotating platforms driven by stepper motors u |
| 5258002 |
Dual tapered surgical knife |
November 2, 1993 |
| A surgical knife having a handle and a blade, the blade having a blunt tip, a generally V-shaped cutting portion extending from the blunt tip to the widest part of the blade and tapered portion extending from the widest part of the blade to the point of attachment of the blade with the h |
| 5246436 |
Midinfrared laser tissue ablater |
September 21, 1993 |
| A midinfrared laser tissue ablater having an Er:YAG radiation source optically connected to a first end of a fiber optic cable, a probe with a handle and a bifurcated cannula having a first half and a second half and a generally closed, hollow tip having an opening opposite the handle, a |
| 5224942 |
Surgical method and apparatus utilizing laser energy for removing body tissue |
July 6, 1993 |
| An improved surgical method and apparatus using laser energy for destroying body tissue which includes a surgical handpiece including a surgical tip assembly which is driven by means of laser to achieve optical breakdown, plasma formation and shockwave generation to emulsify or destroy b |
| 5217489 |
Bifocal intraocular lens |
June 8, 1993 |
| Intraocular lenses with three zones for the provision of bifocal vision are described. Methods for the lenses use are also described. |
| 5217477 |
Dual width surgical knife |
June 8, 1993 |
| A surgical knife having a handle and a blade with a first generally V-shaped portion for cutting an incision having a first width of approximately 3.2 millimeters and a second generally arcuate portion for widening the incision to a second width of approximately 5.2 millimeters. |
| 5217465 |
Flexible and steerable aspiration tip for microsurgery |
June 8, 1993 |
| A flexible and steerable aspiration tip for microsurgery includes a tip portion, the configuration of which may be remotely altered to access different areas at a surgical site. The aspiration tip includes a flexible portion which includes a spring material therewith which may be configu |
| 5199943 |
Ultrasonic surgical handpiece |
April 6, 1993 |
| An ultrasonic surgical handpiece having a generally hollow body with a reduced diameter portion at a free end and an interior surface, an ultrasonic horn coaxially mounted inside the body, terminating at the free end and defining a fluid flow passage at the reduced diameter portion and |
| 5197981 |
Intraocular lens having haptic of specific curvature and proportion |
March 30, 1993 |
| A one-piece polymethylmethacrylate intraocular lens having an optic with an optic profile and a pair of haptics each extending from the optic within the optic profile and each with a medial segment of variably reduced cross-sectional area. |
| 5191588 |
High efficiency, harmonic wavelength laser system |
March 2, 1993 |
| A linear cavity laser system having a yttrium-aluminum-garnet laser rod for producing a fundamental wavelength of radiation having a front face and a longitudinal axis, a first mirror reflective of the fundamental wavelength but transmissive of a desired harmonic wavelength located in fr |
| 5188589 |
Textured irrigating sleeve |
February 23, 1993 |
| An irrigating sleeve for use in combination with the cutting tip of a phacoemulsification handpiece containing a base having a nose and a hollow interior; a tube connected to the base at the nose having an interior surface, an open end opposite the nose and a longitudinal bore to receive |
| 5185002 |
Transducer apparatus having water hammer dampening means |
February 9, 1993 |
| An improvement to a flow control system is disclosed which comprises a transducer apparatus having dampening means to prevent or reduce the destructive effect of water hammers in such fluid control systems. This is especially useful in surgical irrigation and aspiration systems. The |
| 5178605 |
Coaxial flow irrigating and aspirating ultrasonic handpiece |
January 12, 1993 |
| A coaxial flow irrigation and aspiration ultrasonic handpiece for use in surgical operations includes the combination of an elongated outer shell, inner shell and ultrasonic horn assembly disposed within the inner shell. A sealing end cap is provided which functions to center the inner s |
| 5178282 |
Modular surgical packaging system |
January 12, 1993 |
| A modular surgical packaging system is shown which includes a central package with an open interior. The open interior is adapted to contain a first type of sterilizable surgical item. The external sidewalls of the central package have one or more accessory receiving compartments formed |
| 5176628 |
Vitreous cutter |
January 5, 1993 |
| An improved vitreous cutter having a housing with two halves connected together by tapered pins on one half fitting into holes on the other half with a proximal end, a distal end, an internal transverse bore and a longitudinal bore intersecting the transverse bore and penetrating the |
| 5160345 |
Vaulted intraocular lens having curved slanted haptic |
November 3, 1992 |
| An intraocular lens designed for ease of insertion and for minimizing contact with intraocular tissues comprises a lens body having an optical axis, two optical surfaces and a periphery to which is fixed at least one filamentous haptic extending circumferentially and radially from the po |
| 5147393 |
Bifocal intraocular lens with correction for spherical abberation |
September 15, 1992 |
| Intraocular lenses with three zones for the provision of bifocal vision are described. Methods for the lenses use are also described. |
| 5112300 |
Method and apparatus for controlling ultrasonic fragmentation of body tissue |
May 12, 1992 |
| This invention is related to an improved method and apparatus for use in controlling the ultrasonic fragmentation of the body tissue. The ultrasonic apparatus includes a transducer assembly mounted in the handpiece assembly. The transducer is operable for converting electrical power |
| 5094260 |
Proportional valve and pressure control system |
March 10, 1992 |
| A pressure control system is disclosed for closely regulating the pressure level of a controlled volume. The system comprises first and second sources, a throttled valve for controlling the flow rate of the fluid between each of the first and second pressure sources and the controlled |
| 5024654 |
Insulated infusion and aspiration probe |
June 18, 1991 |
| A surgical instrument is provided which has two concentric transfer tubes: an outer tube and an inner tube. One tube is used for aspiration of fluid, the other for infusion of fluid. The concentric tubing section has proximal and distal ends, the distal end being tapered and having openi |
| 5019035 |
Cutting assembly for surgical cutting instrument |
May 28, 1991 |
| A microsurgical cutting instrument is disclosed which is provided with a cutting probe assembly wherein the inner and outer cutting members thereof are swaged and the inner cutting member is bent towards the outer cutting member, so as to maintain a preselected relationship of the cuttin |
| 5007913 |
Apparatus and method for implantation of intraocular lenses |
April 16, 1991 |
| An apparatus and method for implantation of intraocular lenses includes a resilient tubular sling which is positionable over parallel working ends of a crossover forceps. The sling allows an intraocular lens to be folded or curled up therein and held in that folded up position with the f |
