| DOHENY EYE INSTITUTE Patent applications |
| Patent application number | Title | Published |
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| 20120022434 | DISPOSABLE HANDHELD PHACOMORCELLATION DEVICE - Disposable handheld phacomorcellation devices and methods for removing lens fragments from an eye of a patient are disclosed. In one embodiment, the phacomorcellation device includes a stationary outer tubular cutting member and a rotatable inner cutting member positioned within the stationary outer tubular cutting member. The outer tubular cutting member and the rotatable inner cutting member each include at least one cutting port having at least one cutting edge. The at least one cutting edge of the outer tubular cutting member and the at least one cutting edge of the inner cutting member cooperate to form a bird beak cutting structure as the inner cutting member rotates with respect to the outer cutting member. The cutting port of the outer tubular cutting member can be substantially closed during rotation of the inner cutting member, thereby preventing lens fragments from floating toward a posterior region of the eye. | 01-26-2012 |
| 20120016244 | METHODS AND SYSTEMS FOR ENHANCED MEDICAL PROCEDURE VISUALIZATION - The present invention employs image intensification for medical procedures within the human body. Methods and systems of the invention utilize infrared radiation (e.g. greater than about 750 nm) illumination and visualization of a surgical treatment area Preferred methods and systems of the invention incorporate use of an infrared radiation visualization system which may be known as “night vision” systems. | 01-19-2012 |
| 20110299034 | OPTICAL COHERENCE TOMOGRAPHY- BASED OPHTHALMIC TESTING METHODS, DEVICES AND SYSTEMS - In accordance with one aspect of the present invention, an optical coherence tomography-based ophthalmic testing center system includes an optical coherence tomography instrument comprising an eyepiece for receiving at least one eye of a user or subject; a light source that outputs light that is directed through the eyepiece into the user's or subject's eye, an interferometer configured to produce optical interference using light reflected from the user's/subject's eye, an optical detector disposed so as to detect said optical interference; and a processing unit coupled to the detector. The ophthalmic testing center system can be configured to perform a multitude of self-administered functional and/or structural ophthalmic tests and output the test data | 12-08-2011 |
| 20110282161 | ENHANCED VISUALIZATION ILLUMINATION SYSTEM - A first light source producing a first light beam with a first intensity and a second light source producing a second light beam with a second intensity. A light filter device receives the first light beam and transmits a filtered portion of the first light beam. A first angling device reflects the filtered portion of the first light beam in a first angled direction and a second angling device reflects the second light beam in a second angled direction. A mirror receives and in turn reflects the filtered portion of the first light beam reflected by the first angling device and the second light beam reflected by the second angling device to form a converged light beam with a third intensity. | 11-17-2011 |
| 20110282160 | SELF CONTAINED ILLUMINATED INFUSION CANNULA SYSTEMS AND METHODS AND DEVICES - A cannula is described having a housing, a first lumen, a second lumen, and a port capable of fluid communication with the first lumen. The second lumen configured to receive fluid from the first lumen and to direct the fluid to a surgical site. A light emitting diode light source is positionable within the housing and configured to direct light through the second lumen to the surgical site. | 11-17-2011 |
| 20110276340 | PERSONAL SURGICAL CENTER - A personal surgical center embodied as a general purpose computer (e.g. laptop) with wireless technology for monitoring the operation of an independent surgical center and/or handheld instruments. The computer tracks procedures in the operating room and instruments used during those procedures, and accounts for billing, supply management, and payment options. The monitoring of the instruments used during the surgery is conducted by the personal surgical center while actual control of the settings of those instruments is via the independent surgical center or via controls included in the instruments themselves. The monitored information is stored in a log file which is then transmitted to a hospital server for generating reports, inventory control, billing, and the like. Other information generated during the procedure (e.g. doctor notes) is also stored in the log file. The personal surgical center may also access the hospital server or local data storage device for retrieving a surgeon's specific surgery parameters, obtaining patient files, and the like. | 11-10-2011 |
| 20110206291 | COMBINED SPECTRAL AND POLARIMETRY IMAGING AND DIAGNOSTICS - Combined spectral and polarimetry imaging and diagnostic techniques are disclosed, including an imaging system that simultaneously records spatially co-registered spectral and polarization information from an image of a target scene such as an ocular structure or material or device in an around the eye. Image acquisition and image calibration by such an imaging system or an imaging spectrometer or polarimeter are also disclosed. Methods of data storage and image display relevant to medical practice in general and ophthalmology practice specifically are further disclosed. | 08-25-2011 |
| 20110190690 | INDEPENDENT SURGICAL CENTER - A biological tissue cutting and fluid aspiration system provides a plurality of surgical instruments operable independent of an external control console. In some embodiments, each surgical instrument may include all sensors and controls directly applicable to the surgical instrument, and may be used independently. In some embodiments, instruments communicate status information to each other, and adjust operating parameters based on the communications. | 08-04-2011 |
| 20100157620 | ENHANCED VISUALIZATION ILLUMINATION SYSTEM - A first light source producing a first light beam with a first intensity and a second light source producing a second light beam with a second intensity. A light filter device receives the first light beam and transmits a filtered portion of the first light beam. A first angling device reflects the filtered portion of the first light beam in a first angled direction and a second angling device reflects the second light beam in a second angled direction. A mirror receives and in turn reflects the filtered portion of the first light beam reflected by the first angling device and the second light beam reflected by the second angling device to form a converged light beam with a third intensity. | 06-24-2010 |
| 20100026957 | Ocular Imaging System - An imaging system for examining the interior structure of the eye at high-resolution under ambient light without the need for chemical dilation of the pupil. | 02-04-2010 |
| 20090177245 | SUBCHOROIDAL RETINAL PROSTHESIS - Embodiments of the present disclosure are directed to utilization of one or more arrays that are placed under the choroid. In this approach, an array is placed under the choroid. To achieve this, a scleral incision can be made without cutting the underlying choroid or retina. The array can then be inserted into the space between the sclera and choroid and is pushed to the desired place. It is possible to make several of such scleral incisions in each quadrant of the eye to insert arrays of similar or different shapes into the subchoroidal space. Following insertion of the electrode array the scleral wound may be sutured around the cable to make the array and the eye more stable. | 07-09-2009 |
| 20090149384 | Protection of Photoreceptors in Experimental Autoimmune Uveitis - Techniques are described for the administration of crystallins, e.g., αA and/or β crystallin, to protect retinal photoreceptors of subjects inoculated with Experimental Autoimmune Uveitis. The present disclosure provides a unique and novel approach to the prevention of photoreceptor degeneration in uveitis and other blinding diseases mediated by oxidative stress including retinitis pigmentosa, macular degeneration, diabetic retinopathy and glaucoma through the administration of crystalline, e.g., αA and/or β crystallin. | 06-11-2009 |
| 20090146583 | PORTABLE HANDHELD ILLUMINATION SYSTEM - Illumination systems are described that can include one or more light sources, which can include LEDs, one or more lenses, and one or more optical fibers. A handheld, portable, and surgical intraocular illumination system is disclosed that is disposable, low-cost, and efficient. A surgeon can have direct control of turning the illuminator on and off and adjusting the intensity via a simple control ergonomically placed on the handpiece and/or voice activated control. A coupling is provided, such as through an endo-probe, which is coupled to the one or more light sources. A user input device can be included that is operable to transmit to a feedback controller a first signal based on a user-selected light intensity. The feedback controller can, in response to the first signal, transmit a second signal to the power source for altering the power provided by the power source to the illumination system. | 06-11-2009 |
| 20090088784 | SELECTABLE STROKE CUTTER - Apparatus, systems, and devices are described that utilize an adjustable biological tissue cutting handpiece that is based on selectable settings. The biological tissue cutting handpiece includes a cutter tip that allows multiple duty cycles as well as multiple port configurations. For example, when working next to the retina, the port could be adjusted to be a smaller size, allowing delicate membrane dissection. When working near or in less sensitive tissue, e.g. the center of the eye, the port could be wide open. The port aperture size can be independent of cut speed, allowing a surgeon to work at high speed both next to the retina and away from the retina. High speeds have been shown to have increased tissue (e.g., vitreous) removal, e.g., in 25 and 23-gauge instruments. Duty cycle is not necessarily dependent on cut speed, allowing high cutter performance and varied flow characteristics. | 04-02-2009 |
| 20090030323 | Ultrasound and Microbubbles in Ocular Diagnostics and Therapies - The present disclosure described methods, systems, and techniques for applying contrast-enhanced ultrasound to locate areas of blockage within retinal vessels and to break up clots that are causing damage. In addition to identifying the damaged area, the researchers anticipate that the initial image may serve as a baseline for monitoring the effect of treatment on the vessel, which may be achieved in multiple ways. The vibration effect of the ultrasound itself may suffice to dislodge clots. The microbubbles may also be coated or filled with medication, with ultrasonic shock waves activating the coating or causing mini explosions to release the medicine. Loading the microbubbles with a therapeutic agent, visualizing their presence at the diseased site using the ultrasound diagnostic mode, and then activating the microbubbles to release their contents at the targeted lesion could be a powerful and effective way to reverse occlusion without harming other areas of the eye or body. | 01-29-2009 |
| 20090016075 | SEMICONDUCTOR LIGHTING IN CONSOLE SYSTEM FOR ILLUMINATING BIOLOGICAL TISSUES - The present disclosure is directed to illumination techniques that include the use of one or more sets of Light Emitting Diodes or LEDs as light sources in a console/module system. The LED light sources can be utilized to produce a light beams with a specified/combination of intensity and spectrum. Of course, embodiments according to the present disclosure are not limited to one intensity/spectrum but multiple combinations of intensity and spectrum can be implemented. Such systems/methods can be implemented with various optical elements including filter, lenses, mirrors, and/or optical fibers. The system is controlled by voice activation, touch screen, footswitch or wireless communication. The LEDs might also be pulsed as a driving system. The optical fiber cable is tethered to the control. | 01-15-2009 |
| 20080319319 | Intraocular Ultrasound Doppler Techniques - Systems and methods are disclosed providing for the use of ultrasound energy to measure blood flow within blood vessels by Doppler velocity measurement. Directional high-frequency pulsed-wave Doppler measurements can be made with a suitable ultrasonic needle transducers for in vivo measuring of blood flow. A needle probe can include a ultrasonic material such as PMN-PT. Such blood flow measurements can be made in any part of the body, e.g., in the central retinal vein and branch retinal veins. | 12-25-2008 |
| 20080262512 | Thrombolysis In Retinal Vessels With Ultrasound - Systems and methods are described providing for the use of ultrasound energy to effect the dislodging of one or more blood clots inside blood vessels. Such clots can include those inside retinal vessels, especially in patients with central retinal vein occlusion. Embodiments of the present disclosure may be used for any retinal arterial or venous occlusion. In exemplary embodiments, a small probe can be inserted into the eye of a patient and placed over the retinal vessels. Acoustic streaming created by the probe can be directed to an area or region including targeted blood vessels, resulting in increased flow in one or more retinal veins and facilitating or effecting mechanical dislodging of one or more blood clots in the targets blood vessels. Exemplary embodiments can utilize ultrasonic energy produced at a frequency of approximately 44 MHz to 46 MHz with pulse repetition frequencies of approximately 100 Hz to 100 kHz. | 10-23-2008 |
| 20080249412 | Preoperative and Intra-Operative Lens Hardness Measurement by Ultrasound - The present disclosure provides methods, systems, techniques and apparatus related to an instrumentation used to classify tissue before and/or during removal. The tissue can include any hard tissue/soft tissue interface, such as a cataract within a lens. Before an operation, an ultrasound image can be provided that gives a full scan of the targeted region, e.g., a lens, and provide a hardness profile. The profile could include a two or three dimensional map of the tissue hardness, assisting a surgeon to choose a suitable surgical procedure and strategy. During the operation, hardness measurements can be carried out real-time, in a constant manner, while the surgeon is working. This data can allow the handpiece to automatically adjust to the surgical conditions including the tissue hardness, increasing surgical performance, decreasing surgical procedure time and reducing the rate of complications. | 10-09-2008 |
