| Patent application number | Description | Published |
|---|
| 20080197035 | Sharps Container System for Two Piece Injection Device - A sharps container system includes a disposable tip segment and a sharps container. The disposable tip segment has a dispensing chamber, a needle fluidly coupled to the dispensing chamber, and a housing at least partially enclosing the dispensing chamber. The sharps container has a cavity for receiving the disposable tip segment and an opening configured to engage the disposable tip segment so that the disposable tip segment is held in place while a limited reuse assembly is removed from the disposable tip segment. | 08-21-2008 |
| 20080225232 | Ophthalmic Endoilluminator with Variable-Wedge Rotating-Disk Beam Attenuator - An ophthalmic endoilluminator includes a light source, a variable-wedge rotating-disk attenuator, a condensing lens, and an optical fiber. The variable-wedge rotating-disk attenuator attenuates the light produced by the light source. The variable-wedge rotating-disk attenuator includes a wedge capable of being adjusted over a variable angle as measured through an arc of the wedge and an axle to which the wedge is attached. The axle rotates such that the wedge rotates around a pivot defined by the axle. The condensing lens focuses the attenuated light. The optical fiber carries the focused light into an eye. The variable-wedge rotating-disk attenuator is located such that it affects the intensity of a light beam transmitted into an eye. | 09-18-2008 |
| 20080225233 | VARIABLE-WEDGE ROTATING-DISK BEAM ATTENUATOR FOR OPHTHALMIC ENDOILLUMINATOR - A variable-wedge rotating-disk attenuator for use in an ophthalmic endoilluminator is disclosed. The attenuator includes a wedge attached to an axle. The size of the wedge can be adjusted over a variable angle as measured through an arc of the wedge. The axle to which the wedge is attached rotates such that the wedge rotates around a pivot defined by the axle. The variable-wedge rotating-disk attenuator is located such that it affects the intensity of a light beam transmitted into an eye. | 09-18-2008 |
| 20080234625 | Fuse Assembly For Single Use Medical Device - A disposable injection device includes a dispensing chamber, a plunger, a fuse in series with a light, and a housing. The dispensing chamber has an inner surface and an outer surface. The inner surface defines a cavity for receiving a quantity of a substance. The plunger is engaged with the inner surface of the dispensing chamber, is capable of sliding in the cavity of the dispensing chamber, and is fluidly sealed to the inner surface of the dispensing chamber. The housing at least partially encloses the dispensing chamber and the plunger. After the substance has been delivered from the dispensing chamber, the fuse is blown causing the light to go out and disabling the device. | 09-25-2008 |
| 20090036846 | Ophthalmic Injection System - An ophthalmic injection system has a tip segment attachable to and removable from a limited reuse assembly. The tip segment has a dispensing chamber housing, a plunger, a needle, a temperature control device, a thermal sensor, and a first housing at least partially enclosing the dispensing chamber housing, the temperature control device and the plunger. The limited reuse assembly has an actuator with a shaft, a power source for providing power to the actuator, a controller for controlling the actuator, a mechanical linkage interface, and a second housing at least partially enclosing the power source, the controller, and the actuator. The mechanical linkage interface is coupled to the actuator shaft and has a mating surface on one end. The substance is injected after the temperature of the substance is altered. | 02-05-2009 |
| 20090093789 | Method of Delivering A Rate And Temperature - Dependent Substance Into The Eye - A method of injecting a mixture into an eye includes: providing the mixture in a dispensing chamber with an air gap located between the mixture and an interior surface of a dispensing chamber housing, when the mixture and dispensing chamber housing are near room temperature; bringing the dispensing chamber housing and mixture to a temperature range, other than near room temperature, at which the mixture expands and is in a more liquid state; maintaining air in a needle after the mixture expands and prior to an injection; selecting a drug release rate; and injecting the mixture so as to form a shape with a surface area that results in the selected drug release rate. | 04-09-2009 |
| 20090287150 | Universal Rechargeable Limited Reuse Assembly For Ophthalmic Hand Piece - The present invention is a universal limited reuse assembly for an ophthalmic hand piece having a power source for providing power to a tip segment, a controller for controlling the operation of the tip segment, a motor with a shaft, a mechanical linkage interface located on an end of the shaft, an interface for connecting the limited reuse assembly to the tip segment, and a housing at least partially enclosing the power source, the controller, and the motor. The limited reuse assembly is connectable to and removable from two or more types of tip segments. Each of the two or more types of tip segments is configured to perform a different procedure. | 11-19-2009 |
| 20100030136 | Ophthalmic Injection Device Including Dosage Control Device - An injection device includes a dispensing chamber, a plunger, a controller, a temperature control device, and a memory device. The dispensing chamber has an inner surface and an outer surface. The inner surface defines a cavity for receiving a quantity of a substance. The plunger is engaged with the inner surface of the dispensing chamber, is capable of sliding in the cavity of the dispensing chamber, and is fluidly sealed to the inner surface of the dispensing chamber. The controller controls the operation of the injection device. The temperature control device at least partially surrounds the dispensing chamber. The memory device has a parameter stored on it. The controller uses the parameter from the memory device to operate the injection device. | 02-04-2010 |
| 20100106083 | Method of Operating Ophthalmic Hand Piece with Disposable End - The present invention is a method of operating an ophthalmic hand piece. A connection between a tip segment and a limited reuse assembly is recognized. A type of tip segment connected to the limited reuse assembly is determined. Dosage information is received. A first input is received. In response to the first input, a heater is activated to heat a substance contained in a dispensing chamber. After the substance has reached a desired temperature range, the dosage information is used to control a distance a plunger travels. A second input is received. In response to the second input a motor is activated, and the drug is delivered into the eye. | 04-29-2010 |
| 20100152676 | Drug Loading Through Plunger - A drug loading apparatus includes a plunger with a through hole or slit valve located in the top face of the plunger. A dispensing chamber housing located in a drug delivery device is configured to receive the plunger so that a dispensing chamber is formed when the plunger is located in the dispensing chamber housing. The drug can then be loaded into the dispensing chamber through the plunger, and a piston with an end configured to seal the through hole or engage the plunger with the slit valve can then be inserted. | 06-17-2010 |
| 20100182569 | OPHTHALMIC ENDOILLUMINATION USING FIBER GENERATED LIGHT - In one aspect of the invention, an ophthalmic endoilluminator includes at least one pump light source and a scintillator fiber optically coupled to the pump light source. The scintillator fiber receives an output of the pump light source and produces light in a different wavelength range than the output of the pump light source. An optical coupling element couples the light to an optical fiber, which conducts the light into an eye. | 07-22-2010 |
| 20100211044 | BATTERY OPERATED SURGICAL HAND PIECE WITH DISPOSABLE END - The present invention is an ophthalmic injection system with a limited reuse assembly and a tip segment. The tip segment is connectable to and removable from the limited reuse assembly. The tip segment includes a dispensing chamber, a plunger, and a housing. The dispensing chamber holds a quantity of a substance to be injected into an eye. The proximate end of the plunger has a first mechanical linkage interface. The limited reuse assembly of the ophthalmic injection system has a power source, a controller, a motor, a second mechanical linkage interface located on an end of the motor shaft; and a second housing. The first mechanical linkage interface is mateable with the second mechanical linkage interface such that when the tip segment is connected to the limited reuse assembly, the first mechanical linkage interface mates with the second mechanical linkage interface so that motion of the shaft results in motion of the plunger. | 08-19-2010 |
| 20100286498 | Intraocular Pressure Sensor - An implantable intraocular pressure sensor system has a sealed geometric shape with an internal pressure at a first value. The sealed geometric shape has a first light permitting surface and a second flexible surface. A pair of photocells is located in the sealed geometric shape. A light shield is coupled to the second flexible surface. When the second flexible surface is deflected, a light measurement by the pair of photocells indicates an intraocular pressure condition. | 11-11-2010 |
| 20100318074 | OPHTHALMIC ENDOILLUMINATION USING LOW-POWER LASER LIGHT - An ophthalmic surgical system includes a laser light source having a laser treatment mode and an illumination mode. The laser treatment mode has a first power, and the illumination mode has a second power less than the first power. The ophthalmic surgical console also includes focusing optics operable to optically couple the laser light source to a light guide in the illumination mode. | 12-16-2010 |
| 20100331764 | Controlling A Phacoemulsification Surgical System By Transitioning Between Pulse and Burst Modes - Methods of manipulating pulses of ultrasonic energy for use with an ophthalmic surgical device. | 12-30-2010 |
| 20110034864 | PHACOEMULSIFICATION HANDPIECE PRESSURE BOOSTER - In various embodiments, a handpiece may include an irrigation line coupled to an adjacent line reservoir with a piston configured to move within the adjacent line reservoir to increase an irrigation pressure in the irrigation line near a surgical site. In some embodiments, a sensor may be used to detect an occlusion break in the aspiration line and information from the sensor may result in signaling an actuator to move the piston in response to the occlusion break detection to compensate for a vacuum pressure drop associated with the occlusion break. The handpiece may further include a purge bypass line between the irrigation line and the adjacent line reservoir to allow flow from the irrigation line to travel through the adjacent line reservoir to purge the adjacent line reservoir. | 02-10-2011 |
