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| Number | Title | Issue Date |
| 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 measuring a current flowing through the vibration means, and an information ... | 05/11/2010 |
| 7369250 | System and method to inspect components having non-parallel surfaces The present invention provides a method to detect and generate ultrasonic displacements at a remote target for ultrasonic inspection. This method involves generating an ultrasonic wave at a first location on an upper surface of the remote target. This ultrasonic wav... | 05/06/2008 |
| 7165451 | Methods for using resonant acoustic and/or resonant acousto-EM energy to detect and/or effect structures The present invention relates to detection of inorganic and biologic structures and/or disruption and/or augmentation functions of biologic structures using resonant acoustic and/or resonant acousto-EM energy. ... | 01/23/2007 |
| 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 substance causing at least the outwardly exposed surface to contrast... | 01/03/2006 |
| 6800061 | Method and device for determining the intraocular pressure, by measuring the changing of the frequency characteristics The present invention relates to a method and a device for measuring the pressure p in an eye, the so-called intraocular pressure. The method includes a contact body with a known geometry being pressed against the eye with a gradually increasing contact force F and ... | 10/05/2004 |
| 6735331 | Method and apparatus for early detection and classification of retinal pathologies A method and apparatus for early detection and classification of retinal pathologies, especially glaucoma and macular edema. The method comprises; (a) illuminating predetermined locations on the retina; (b) receiving light returning from predetermined locations; (c)... | 05/11/2004 |
| 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 vary as a function of the IOP, with each natural frequency ... | 01/06/2004 |
| 6595920 | Non-contact instrument for measurement of internal optical pressure A method and apparatus for measuring the intraocular pressure of a cornea includes an interferometer directing a beam of a coherent light along a path to the cornea, a sensor for sensing the reflected light from the cornea, an air supply device for direct... | 07/22/2003 |
| 5840041 | Device for measuring the mechanical properties of biological tissue An apparatus for measuring the mechanical properties of biological tissue d the use of the apparatus is provided. The apparatus generates a magnetic field by means of a coil system comprising a permanent magnet as the actuator and a conductive foil as the... | 11/24/1998 |
| 5394891 | Surgical drape with improved critical zone panel A fenestrated surgical drape includes a "critical zone" panel surrounding the fenestration. The "critical zone" panel comprises an upper absorbent panel and underlying, upper and lower barrier panels. The absorbent layer and upper barrier panel are joined... | 03/07/1995 |
| 5375595 | Apparatus and method for non-contact, acoustic resonance determination of intraocular pressure Apparatus and method for measuring intraocular pressure changes in an eye under investigation by detection of vibrational resonances therein. An ultrasonic transducer operating at its resonant frequency is amplitude modulated and swept over a range of aud... | 12/27/1994 |
| 5269767 | Device and related method for use in sinus surgery A device for use during sinus surgery comprises a housing, a pair of straps connected to the housing for attaching the housing to a patient's head so that the housing is juxtaposed to an eyeball of the patient, and a pressurization component mounted to th... | 12/14/1993 |
| 5148807 | Non-contact tonometer A non-contact, non-invasive tonometer utilizing the technique of angle modulation of high frequency sound waves or high frequency light waves to determine the intraocular pressure of an eye. The angle modulation technique can be either frequency modulatio... | 09/22/1992 |
| 4930507 | Double chamber acoustical tonometer An acoustical tonometer having an ocular chamber in which a target eye is positionable, a drive chamber containing an acoustical generator and an inertia tube connecting the two chambers. Sound waves produced in the drive chamber are used to excite the ta... | 06/05/1990 |
| 4928697 | Non-contact high frequency tonometer A non-contact tonometer for use in the measurement of intraocular pressure in the diagnosis of glaucoma utilizes low frequency sound to perturb a given corneal area. High frequency sound waves are directed toward the perturbed corneal area and reflected t... | 05/29/1990 |
| 4646754 | Non-invasive determination of mechanical characteristics in the body A non-invasive system and method for inducing vibrations in a selected element of the human body and detecting the nature of responses for determining mechanical characteristics of the element are provided. The method comprises the steps of: inducing mult... | 03/03/1987 |
