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8182435 |
Intraocular pressure sensor
An implantable intraocular pressure sensor system has a sealed geometric shape with an internal pressure at a first value. A strain gauge wire is embedded in a surface of the sealed geometric...
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8142364 |
Method of monitoring intraocular pressure and treating an ocular disorder
The invention discloses a trabecular stent and methods for treating glaucoma. The stent may incorporate an intraocular pressure sensor comprising a compressible element that is implanted inside an...
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8137271 |
System and method for assessing risk of glaucoma onset
A system and method for predicting the onset of glaucoma uses a Finite Element Model (FEM) to obtain a response profile of the Optical Nerve Head (ONH) inside an eye. To do this, the FEM is...
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8123687 |
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...
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7972284 |
Apparatus for preventing nerve damage positional injury during surgery
A method of preventing nerve damage positional injury during surgery includes providing a nerve damage positional injury pressure monitoring system including a site sensor with a transducer in the...
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7959570 |
Eye tonometry apparatus, systems and methods
A system for measuring intraocular pressure (IOP) of an eye, comprising a plurality of force sensors that are adapted to contact a surface of an eye, means for measuring the forces exerted on the...
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7948380 |
Spatially distributed remote sensor
A remote sensing device includes a plurality of components arranged to form a resonant electrical circuit. The plurality of components includes at least one sensing component having sensing...
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7935058 |
Method for measuring biomechanical properties in an eye
Systems and methods are provided for characterizing biomechanical properties of tissue within an eye. A perturbation component introduces a stress to the eye tissue. An imaging component is...
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7871378 |
Device and method to measure corneal biomechanical properties and its application to intraocular pressure measurement
This invention is a system, an apparatus and a method for measuring biomechanical properties of cornea and the intraocular pressure in vivo. More than one dimensional topographic information of the...
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7798962 |
Method and apparatus for measuring corneal resistance
A method and apparatus for measuring corneal resistance to deformation use an empirically derived function wherein an inward applanation pressure P1 and an outward applanation pressure P2 obtained...
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7771353 |
Method and apparatus for tear film measurement
Tear film is measured without contacting the eye by comparing reflectance from the eye when the tear film is undisturbed with reflectance from the eye when the when the tear film is disturbed. If...
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7713197 |
Pressure measuring method, pressure measuring device, and tonometer
A tonometry device includes a contact device for contacting the object, means for vibrating the contact device and the object, means for applying a voltage to the vibration means, means for...
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7684600 |
Method and apparatus for calculating 3D volume of cerebral hemorrhage
The present invention provides a method and apparatus for appropriately calculating 3D volume of cerebral hemorrhage lesion. The present invention sets a ROI for normal cerebral parenchymal region...
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7678065 |
Implant with intraocular pressure sensor for glaucoma treatment
The invention discloses a trabecular stent and methods for treating glaucoma. The stent may incorporate an intraocular pressure sensor comprising a compressible element that is implanted inside an...
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7654957 |
Apparatus for physical measurements of the eye
Utilization of a contact device placed on the eye in order to detect physical and chemical parameters of the body as well as the non-invasive delivery of compounds according to these physical and...
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7618380 |
Method of preventing nerve damage positional injury during surgery
A method of preventing nerve damage positional injury during surgery includes providing a nerve damage positional injury pressure monitoring system including a site sensor with a transducer in the...
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7553282 |
Non-contact tonometer
A non-contact tonometer changes a reference signal used for determining reliability of a signal indicating deformation of a cornea based on the reflectance of the cornea of an eye to be examined....
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7418872 |
System and apparatus for sensing pressure in living organisms and inanimate objects
System and apparatus for measuring pressure comprising a microelectronic device, an interface member attached to the microelectronic device, a pressure sensor having a diaphragm responsive to...
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7314454 |
Method of preventing eye-related positional injuries during spinal surgery
A method of preventing eye-related positional injuries during spinal surgery includes providing an orbital area pressure monitoring system including a site sensor with transducer, and a monitor...
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7204806 |
Method and apparatus for obtaining corrected intraocular pressure values
The disclosed methods and systems use measured values from applanation tonometry and pachymetry, and corneal curvature values to produce corrected values of intraocular pressure to diagnose and...
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7153266 |
Noncontact tonometer
A noncontact tonometer is disclosed that stores, into a storage unit, the image of an anterior ocular segment immediately before an intraocular pressure value is measured, and that, if an anomaly...
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7137952 |
Intraocular pressure recording system
A new noninvasive approach for intraocular pressure (IOP) measurement allowing continuous monitoring over prolonged periods, regardless of patient's position and activities. The key element of this...
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7131945 |
Optically powered and optically data-transmitting wireless intraocular pressure sensor device
An implantable intraocular pressure sensor device for detecting excessive intraocular pressure above a predetermined threshold pressure is disclosed. The device includes a pressure switch that is...
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7004902 |
Method and apparatus for measuring biomechanical characteristics of corneal tissue
A method for measuring a biomechanical characteristic of corneal tissue of a cornea comprises the steps of measuring a geometric parameter of the cornea, measuring hysteresis associated with...
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6982090 |
More easily visualized punctum plug configurations
An improved punctum plug is more easily visualized when positioned within a punctual canal of a recipient. The body of the plug features an outwardly exposed surface when properly positioned, and a...
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6981946 |
Load sensing applanation tonometer
An improved applanation tonometer for measuring the intraocular pressure of an eye is configured for use with a conventional slit lamp. This applanation tonometer has a force sensor that senses the...
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6976959 |
Dual tonometer
An applanation tonometry system, for measuring pressure within an eye, the tonometry system comprising: an applanation tonometer device for providing specific applanation pressure to a plurality of...
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6939298 |
Device and method for monitoring aqueous flow within the eye
The present invention provides a device and method for monitoring the flow of aqueous humor within the eye. The invention provides that the aqueous flow rate and/or pattern within the anatomical...
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6939299 |
Implantable continuous intraocular pressure sensor
An implantable miniaturized pressure sensor integrates a capacitor and an inductor in one small chip, forming a resonant LC circuit having a Q value of 10 or greater. The capacitor has an upper...
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6890300 |
Implantable microscale pressure sensor system for pressure monitoring and management
A MEMS chip sensor (10, 20, 30, 40, 50, 60, 70) based upon detection of an induced inductance in the sensor is described. The sensor is used in an environment for detection of fluid pressures. The...
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6875175 |
Duel mode non-contact tonometer
A dual mode non-contact tonometer allows selection between a standard measurement mode for patient comfort and an alternate measurement mode wherein pressure-time characteristics of the fluid pulse...
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6796942 |
Device for measuring physical quantities, especially for measuring pressure in the eye
The invention relates to a device for measuring physical quantities in the eye, especially for measuring the intraocular pressure. The inventive device comprises a foldable telemetry system...
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6758814 |
Combination magnifying device, particularly a microscope comprising a measuring device
The invention concerns a combination of a microscope with a measurement device, in particular a diagnostic device, that is usable during an operation on or examination of a specimen performed with...
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6736778 |
Replaceable prism for applanation tonometer
An applanation tonometer with a replaceable prism for contacting a cornea has emitter and detector ports arranged opposite each other on opposite sides of a longitudinal axis, with the ports aimed...
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6730073 |
Method of performing a lasik procedure and tonometer system for use therewith
A method of performing a LASIK procedure. The method includes providing LASIK instrumentation, preferably including an automated microkeratome instrument and an excimer laser. The microkeratome...
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6712764 |
Intraocular pressure monitoring/measuring apparatus and method
An apparatus and method of monitoring/measuring intraocular pressure in an eye includes a miniature pressure sensor having an attachment for connecting the miniature pressure sensor to the iris of...
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6679842 |
Tonometer calibration tool
An apparatus for calibrating a non-contact tonometer comprises an electronic eye having a damped pressure sensor for receiving a tonometer air pulse and providing a pressure signal in response to...
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6673014 |
Noninvasive methods and apparatuses for measuring the intraocular pressure of a mammal eye
Noninvasive methods and apparatuses measuring the intraocular pressure (IOP) of the eye using vibratory excitation are disclosed. Prior art methods teaches that the natural frequencies of the eye...
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6579235 |
Method for monitoring intraocular pressure using a passive intraocular pressure sensor and patient worn monitoring recorder
A device for passively measuring intraocular pressure of a patient including an in vivo sensor and an instrument external to the patient for remotely energizing the sensor, thereby permitting the...
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6517483 |
Sealed-type remote pressure-monitoring device and method for fabricating the same
Disclosed are a remote pressure-monitoring device and a preparing method thereof. The device comprises a metal electrode on a glass substrate, a capacitive sensor made of a silicon diaphragm, and...
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6471647 |
Method of operating tonometer
An applanation tonometer with a replaceable prism for contacting a cornea has emitter and detector ports arranged opposite each other on opposite sides of a longitudinal axis, with the ports aimed...
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6443893 |
Device for measuring the intra-ocular pressure
A device for measuring intraocular pressure includes a remote measuring device that can be implanted in the eye and that contains a pressure sensor, a device that can convert the sensor signals...
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6440070 |
Intraocular pressure measurement
Apparatus for measuring intra-ocular pressure of an eye includes a housing and a processor. The housing has a protuberance with a flat surface and the processor includes a distance-measuring unit...
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6394968 |
Trans-scleral method and apparatus for measuring intraocular pressure
An instrument and method of the present invention facilitates accurate IOP determination, both before and after any laser eye treatment. A tonometer according to the present invention is specially...
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6394954 |
Method for measuring the intra-ocular pressure through the eyelid and device for realizing the same
A method of measuring intraocular pressure through an eyelid includes the step of subjecting the gristle region of an opened eyelid to two spaced contacts providing static support loading that...
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6251071 |
Tonometer
A tonometer, for determining intraocular pressure, has a body, which can be a transparent, substantially tubular body. A plunger is located within the body and a coil spring acts between the body...
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6179779 |
Replaceable prism system for applanation tonometer
An applanation tonometer with a replaceable prism for contacting a cornea has emitter and detector ports arranged opposite each other on opposite sides of a longitudinal axis, with the ports aimed...
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6178359 |
Instrument with installation-evident accessory modules
An electronic instrument with a housing defining a module chamber. An electronic module is removably retained within the chamber and includes indicia such as text or a distinctive color on a...
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6113542 |
Diagnostic apparatus and method to provide effective intraocular pressure based on measured thickness of the cornea
A method of and apparatus for determining intraocular pressure, automatically corrected for variations in corneal thickness. The apparatus includes an ophthalmic pachymeter having a pachymetric...
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6110110 |
Apparatus and method for monitoring intraocular and blood pressure by non-contact contour measurement
The present invention describes apparatus and methods for long-term, repeatable measurement of pressure in vessels by measuring distortion signatures of the external surfaces of a vessel through...
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