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| Number | Title | Issue Date |
| 8070679 | Accurate determination of intraocular pressure and characterization of mechanical properties of the cornea A computer-implemented method for accurate determination of intraocular pressure (IOP) and characterization of mechanical properties of a cornea is provided that includes measuring a cornea with a probe tonometer to produce at least force versus displacement data ov... | 12/06/2011 |
| 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 chemical parameters, with signals being transmitted continuously as el... | 02/02/2010 |
| 7452330 | Combined applanation tonometer and ultrasonic pachymeter An improved apparatus and method of intraocular pressure determination is disclosed in which applanation tonometry is done with an ultrasonic transducer. The method allows for increased accuracy of intraocular pressure determination based upon adjustment of applanat... | 11/18/2008 |
| 7384399 | Cognition and motor timing diagnosis and training system and method A system for testing a subject's cognition and motor timing includes an actuator, a sensor and a computer. The actuator is configured to present to the subject multiple stimuli, including predictable stimuli and non-predictable (e.g., random or pseudo-random) stimul... | 06/10/2008 |
| 7291502 | Method for performing a non-invasive blood gas test A non-invasive blood gas test is carried out by a method that utilizes a venous blood sample together with a pulse oximeter and a plurality of mathematical equations. The method generates the following data points of the blood: (i) the pH level; (ii) the [H+] concen... | 11/06/2007 |
| 7287856 | Hypoallergenic disposable tip cover for tonometry apparatus The invention provides a hypoallergenic disposable cover for the probe tip of a contact tonometer comprising a thin film having an ultimate elongation in the range of 500 to 1000%, a tensile strength in the range of 1000 to 5500 psi and a modulus of elasticity at 10... | 10/30/2007 |
| 7288067 | Tonometer and method of use A device used to measure intraocular pressure within a patient's eye includes a probe typically having an end to which is attached a resilient member with a hollow interior that decreases in volume as the member is pressed against the eye. The greater the intraocula... | 10/30/2007 |
| 7261398 | Inkjet ink tank with integral priming piston An ink tank for an ink jet printer having one or more ink reservoir chambers, and a priming piston or pistons incorporated into the tank. The piston can be activated by a linkage in the printer such that when the tank is installed in the printer, the piston is depre... | 08/28/2007 |
| 7237949 | Tympanic thermometer probe cover A probe cover (20) is provided including a tubular body extending from a proximal end (24) to a distal end (26). The proximal end defines an opening configured for receipt of a distal end of a thermometer. The distal end of the tubular body is s... | 07/03/2007 |
| 7235051 | Noncontact tonometer A tonometer for quickly and efficiently remeasuring intraocular pressure when an intraocular pressure is higher or lower than a predetermined pressure. It is determined whether a predetermined number n of intraocular-pressure measurements have been completed, wherei... | 06/26/2007 |
| 7201720 | Non-contacting tonometer Apparatus and method for measuring Internal Ocular Pressure (IOP) comprises applying a perturbing vibration into an eye over a range of frequencies. A vibrational response of the surface of the eye is measured such as by using a laser velocimeter, the vibrational re... | 04/10/2007 |
| 7169106 | Intraocular pressure measurement system including a sensor mounted in a contact lens An apparatus (180) for measuring intraocular pressure (IOP) comprises a contact lens (40) including an inner surface (42) contoured to a surface portion (34) of an eye (36) and a sensor (10) disposed in the contact lens. The... | 01/30/2007 |
| 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 is found in the measurement result, facilitates the specification of t... | 12/26/2006 |
| 7147327 | Pupilometer with pupil irregularity detection, pupil tracking, and pupil response detection capability, glaucoma screening capability, intracranial pressure detection capability, and ocular aberration measurement capability A pupilometer having a pupil irregularity or non-uniformity detection capability. The pupilometer may comprise an imaging sensor for generating signals representative of a pupil of an eye, a data processor; and a program executable by the data processor for enabling... | 12/12/2006 |
| 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 sized and configured to be placed in an eye, wherein said pressure swi... | 11/07/2006 |
| 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 deformation of the cornea, and evaluating the measured geometric parameter ... | 02/28/2006 |
| 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 locations on an eye; an electrical process controller for measuring ... | 12/20/2005 |
| 6923765 | Tonometer and method of use A device used to measure intraocular pressure within a patient's eye includes a probe typically having an end to which is attached a resilient member with a hollow interior that decreases in volume as the member is pressed against the eye. The greater the intraocula... | 08/02/2005 |
| 6893398 | Device for measuring intraocular pressure, in particular a tonometer The device (1) for measuring intraocular pressure, in particular a tonometer, has a base body (3) which has a contact surface (5; 17; 30) to be applied to the eye surface. The contour of the contact surface (5) is adapted with a certain t... | 05/17/2005 |
| 6817981 | Method for eliminating error in tonometric measurements A novel tonometry method wherein measured intraocular pressure corresponding to inward applanation of the cornea and corneal hysteresis derived from a pressure differential associated with inward and outward applanation events in the same measurement pulse allows co... | 11/16/2004 |
| 6749302 | Afocal position detection system and ophthalmic instrument employing said system A fast position detection system and related method for an ophthalmic instrument utilize stored geometrical relationships determined by multiple regression during instrument calibration to compute X-Y-Z alignment status of the instrument relative to a patient's eye ... | 06/15/2004 |
| 6749568 | Intraocular pressure measurement system including a sensor mounted in a contact lens An apparatus for measuring intraocular pressure (IOP) comprises a contact lens including an inner surface contoured to a surface portion of an eye and a sensor disposed in the contact lens. The sensor comprises a contact surface for making contact with the surface p... | 06/15/2004 |
| 6746400 | Devices and methods for determining the inner pressure of an eye Proposed is a device and a method for determining the inner pressure of a human eye, in which a plurality of pressure sensing elements, placeable on the eye, are used for measurement, with spatial resolution, of pressure values, which pressure-sensing elements are p... | 06/08/2004 |
| 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 at about 45° to the longitudinal axis. Light from an emitter confron... | 05/18/2004 |
| 6714813 | Method for measuring the degree of edema and apparatus using the same Disclosed is an edema measuring method comprising the steps of: putting at least two pairs of electrodes on different locations selected in the body; making an alternating current to flow in the body via one pair of electrodes; measuring voltage appearing between th... | 03/30/2004 |
| 6699211 | Method and apparatus for treatment of glaucoma A new and improved method and apparatus for treating glaucoma is described herein. A device for directing aqueous humor from an anterior chamber to Schlemm's canal comprises a seton, and may further comprise a pump operatively connected to the seton. The ... | 03/02/2004 |
| 6623429 | Hand-held non-contact tonometer A hand-held non-contact tonometer comprises a housing having a handle portion for enclosing a rechargeable D.C. power source and an upper head portion for enclosing alignment and tonometric measurement systems of the tonometer. An operator can directly vi... | 09/23/2003 |
| 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 instrument to determine the intraocular pressure. The devic... | 06/17/2003 |
| 6524243 | Tonometer incorporating an electrical measurement device An applanation tonometer, for measuring pressure within a human eye, the tonometer comprising an electrical measurement apparatus which detects the mechanical displacement of a plunger, the displacement of the plunger provided by means applied pressure to... | 02/25/2003 |
| 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 at about 45° to the longitudinal axis. Light from an emit... | 10/29/2002 |
| 6454722 | Doppler velocimeter for blood flow A Doppler velocimeter includes an illumination system for illuminating a blood vessel with a light beam, a detector for detecting Doppler-shifted scattered light produced from blood flowing in the blood vessel, and a processor for obtaining a blood flow v... | 09/24/2002 |
| 6423001 | Method and apparatus for signal transmission and detection using a contact device Utilization of a contact device placed on the front part of 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 chemical parameters, with signals prefera... | 07/23/2002 |
| 6314380 | Ultrasound transducer temperature compensation methods, apparatus and programs Method, apparatus and computer programs are described for compensating for the effect of temperature on the sensitivity of electrostatic ultrasound (US) transducers, particularly as used in an automotive occupancy sensing (AOS) systems for sensing the nat... | 11/06/2001 |
| 6213943 | Apparatus for signal transmission and detection using a contact device for physical measurement on the eye Utilization of a contact device placed on the front part of 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 chemical parameters, with signals prefera... | 04/10/2001 |
| 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 at about 45 ° to the longitudinal axis. Light from an emi... | 01/30/2001 |
| 6123668 | Method and apparatus for signal transmission and detection using a contact device Utilization of a contact device placed on the front part of 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 chemical parameters, with signals prefera... | 09/26/2000 |
| 6053867 | Noncontact tonometer for measuring intraocular pressure A noncontact tonometer has a control circuit which actuates a puffing means to apply an air pulse through a puffing nozzle to the cornea of a subject's eye only when it is found from alignment positional information provided by an XY-alignment detecting c... | 04/25/2000 |
| 6042544 | Non-contact type tonometer A non-contact type tonometer is disclosed, wherein a fluid blowing device blows a compressed air against a cornea of an examinee's eye, a deformation detection device detects a corneal deformed state caused by the fluid, a pressure detection device detect... | 03/28/2000 |
| 6030343 | Single beam tone burst ultrasonic non contact tonometer and method of measuring intraocular pressure An ultrasonic, non-contact tonometer for measuring the intraocular pressure (IOP) of an eye utilizing a single ultrasonic beam of appropriate frequency and power which simultaneously accomplishes both an ocular deformation and its measurement is provided ... | 02/29/2000 |
| 5989195 | Noncontact tonometer A noncontact tonometer is provided which is capable of intercepting out-of-axis light of an index beam of light and performing precise alignment. The noncontact tonometer includes an index projecting optical system for projecting an index frontally onto a... | 11/23/1999 |
