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| Number | Title | Issue Date |
| 8062224 | Method and apparatus for non-invasive continuous monitoring of cerebrovascular autoregulation state A non-invasive method for continuous real-time monitoring of cerebrovascular blood flow autoregulation state includes simultaneous non-invasive monitoring of intracranial blood volume respiratory waves and lung volume respiratory waves, real-time decomposition of in... | 11/22/2011 |
| 7998075 | Apparatus and method of non-invasive cerebrovascular autoregulation monitoring A non-invasive method for monitoring of cerebrovascular blood flow autoregulation state includes sensing intracranial blood volume waves, filtering a slow wave, respiratory wave, and pulse wave informative components from said intracranial blood volume waves, filter... | 08/16/2011 |
| 7341583 | Positioning system for an applicator and positioning method for an applicator A positioning system for an applicator includes a glove for being used for a diagnosis of the affected part, a mark body provided on the glove, an applicator for being inserted into a living body, and an energy emitter provided on the applicator for supplying energy... | 03/11/2008 |
| 7291109 | Infant hydration monitor An infant hydration monitor includes a hand-held probe equipped with a pair of arms extending from a housing and incorporating a broadband ultrasonic transmitter and receiver. The arms include finger openings allowing the user to adjust the distance between the tran... | 11/06/2007 |
| 7285092 | Computerized ultrasound risk evaluation system A method and system for examining tissue are provided in which the tissue is maintained in a position so that it may be insonified with a plurality of pulsed spherical or cylindrical acoustic waves. The insonifying acoustic waves are scattered by the tissue so that ... | 10/23/2007 |
| 7264592 | Scanning devices for three-dimensional ultrasound mammography A breast tomography scanner including a stationary chamber configured to hold fluid, a movable chamber within the stationary chamber configured to hold fluid, and breast scanning apparatus. Various configurations for housing the ultrasonic transducers are disclosed,... | 09/04/2007 |
| 7254519 | Multi channel multiplexed inspection system and method Provided are systems and methods for multi-channel non-destructive inspection which provide high data throughput, logarithmic amplification of large dynamic range, and simplicity of supporting electronics. More specifically, provided are systems and methods for insp... | 08/07/2007 |
| 7236616 | Biometric piezo scanner A piezoelectric thin film sensor array is used to scan and capture biometric data, for example, a fingerprint image. In one embodiment, a multi-layer structure includes a PVDF layer in between two conductor grids arranged orthogonally to one another. Urethane can be... | 06/26/2007 |
| 7215993 | Cardiac rhythm management systems and methods for detecting or validating cardiac beats in the presence of noise This document describes systems, devices, and methods for detecting or validating cardiac beats, such as in the presence of myopotential or other noise. In one example, an amplitude peak, which is a candidate for a detected cardiac beat, is used in a weighted averag... | 05/08/2007 |
| 7192649 | Passivation layer on aluminum surface and method thereof A protective passivation layer is formed on the surface of an aluminum mass, such as bare aluminum particles, creating a protected aluminum mass. Formation of the protective layer onto the aluminum mass may occur from an in-situ process. ... | 03/20/2007 |
| 7175597 | Non-invasive tissue characterization system and method One embodiment of the present system and method is directed to the identification of tissues within a vascular object by analyzing ultrasound data collected from the vascular object by non-invasive scans. By identifying and characterizing types of tissue from ultras... | 02/13/2007 |
| 7094205 | High-resolution 3D ultrasonic transmission imaging A system for providing high resolution imaging of objects having sub-millimeter dimensions comprised of at least one transmitter, at least one receiver, a coupling chamber, and a processor for recording attenuation and time of flight profiles of the transmitted sign... | 08/22/2006 |
| 7074188 | System and method of characterizing vascular tissue A system and method is provided for using backscattered data and known parameters to characterize vascular tissue. Specifically, in one embodiment of the present invention, an ultrasonic device is used to acquire RF backscattered data (i.e., IVUS data) from a blood ... | 07/11/2006 |
| 7033321 | Ultrasonic water content monitor and methods for monitoring tissue hydration A device and method for determining the hydration and water content status of soft biological tissue is disclosed and includes a couple of ultrasonic transducers located at a known distance therebetween and held against the tissue of interest as well as an adjustabl... | 04/25/2006 |
| 6957583 | Ultrasonic array sensor, ultrasonic inspection instrument and ultrasonic inspection method An ultrasonic inspection instrument for detecting a crack and performing sizing in the depth direction of the crack. By a transmitter element array and a receiver element array included in a common sensor, focus points between focused acoustic fields are electronica... | 10/25/2005 |
| 6917830 | Method and system for noise measurement in an implantable cardiac device An implantable cardiac rhythm management device is configured to estimating the noise level and noise floor in a sensing channel by measuring the magnitude of signal in the sensing channel when noise is determined to be present or absent, respectively. The presence ... | 07/12/2005 |
| 6905465 | Corrections for pulse reverberations and phasefront aberrations in ultrasound imaging A method of correcting for pulse reverberations in ultrasound imaging using two-dimensional transducer arrays, and uses such reduction in element signals and beam signal before estimation of corrections for phase front aberrations of the ultrasound wave. The pulse r... | 06/14/2005 |
| 6786869 | Ultrasonic diagnostic apparatus For the purpose of allowing confirmation of time progress during a run of a contrast agent protocol and the like on a display screen, time elapsed after freeze-off and time duration of freeze are displayed in a contrast agent protocol display region. In an elapsed-t... | 09/07/2004 |
| 6776760 | Multi-mode processing for ultrasonic imaging Systems and methods for obtaining images of body organs or other tissue for each of their multiple characterizing aspects, and for classifying different tissue types within the images according to their characterizing aspects, are disclosed herein. The tissue may be... | 08/17/2004 |
| 6755082 | Device for measuring sound velocity in material A device for measuring sound velocity in material comprises a piezoelectric substrate, first- and second comb-shaped electrodes, a counter electrode, and a reflector. When input electric signals with a frequency f, respectively, are applied between the first comb-sh... | 06/29/2004 |
| 6719693 | Apparatus and system for real-time synthetic focus ultrasonic imaging An apparatus for use in an ultrasonic imaging system adapted for generating synthetic focus images in real-time. The apparatus employs an integrated circuit architecture which is scalable and can be employed to construct real-time synthetic focus ultrasonic imaging ... | 04/13/2004 |
| 6672165 | Real-time three dimensional acoustoelectronic imaging and characterization of objects An acoustoelectronic method and apparatus for generating real-time three-dimensional images of an object and characterizing such object are provided. The object is insonified with an incident acoustic signal derived from an electrical signal. Acoustic sig... | 01/06/2004 |
| 6641537 | Multi-zone transmitter for quantitative ultrasound and image measurement An ultrasonic transmission unit for an imaging/quantitative ultrasound device provides for coaxial transducer crystals which may be operated independently with a first crystal operated alone for quantitative measurement and the first and second crystal op... | 11/04/2003 |
| 6607489 | Focus correction for ultrasound imaging through mammography compression plate A coherent imaging system includes a transmitter and a receive beamformer which are programmed with transmit and receive time delays, respectively, that take into account time-of-flight errors caused by an intervening mammography compression plate between... | 08/19/2003 |
| 6547733 | Ultrasound imaging apparatus and method using Golay codes with orthogonal property Ultrasound images are obtained using a set of Golay codes with orthogonal property as ultrasound receiving and transmitting signals. Ultrasound signals having a plurality of codes are transmitted simultaneously by using the orthogonal property of the Gola... | 04/15/2003 |
| 6544180 | Blood flow meter apparatus and method of use A strobed blood flow meter provides periodic measurements of blood flow velocity or volumetric blood flow over a cardiac cycle at reduced average power consumption, which is advantageous for reducing battery size, and extending device battery life, such a... | 04/08/2003 |
| 6546276 | Ultrasonic based detection of interventional medical device contact and alignment A method and apparatus for remotely monitoring the location of an interventional medical device (IMD) using ultrasonic signals. Both the proximity and alignment of the IMD are calculated from ultrasound signals reflected off the tissue surface. The inclus... | 04/08/2003 |
| 6475150 | System and method for ultrasonic tomography A system and method for doing both transmission mode and reflection mode three-dimensional ultrasonic imagining. The multimode imaging capability may be used to provide enhanced detectability of cancer tumors within human breast, however, similar imaging ... | 11/05/2002 |
| 6315723 | Ultrasonic diagnostic imaging system with synthesized transmit focus An ultrasonic diagnostic imaging system is provided with synthesized transmit focus. Several beams are transmitted, each with a different transmit focus. Echoes received from the differently focused beams are combined to form a scanline with an extended f... | 11/13/2001 |
| 6226546 | Catheter localization system and method for performing medical diagnostics A catheter localization system for generating information appertaining to a three dimensional map of a part of a human or animal body from which three dimensional map a position of said catheter may be determined. The catheter localization system includes... | 05/01/2001 |
| 6063034 | Blood flow meter apparatus and method of use A strobed blood flow meter provides periodic measurements of blood flow velocity or volumetric blood flow over a cardiac cycle at reduced average power consumption, which is advantageous for reducing battery size, and extending device battery life, such a... | 05/16/2000 |
| 5951476 | Method for detecting brain microhemorrhage Continued bleeding into a pocket or hematoma in the cranium could exert pressure on the brain which would move it relative to the cranium to force the brain stem into the medulla oblongata to arrest breathing. Such brain micromovement is detected by proje... | 09/14/1999 |
| 5851188 | Device for holding medical instrumentation sensors at and upon the cervix os of a human female, particularly for holding the ultrasonic transducers of an ultrasonic transit time, real-time, cervical effacement and dilatation monitor A flexible elastomeric annulus-shaped membrane having a shape-retentive memory and exerting a force so as to assume and to maintain a predetermined closed-loop geometric shape, normally a circle, fits circumferentially about the cervix os of a human femal... | 12/22/1998 |
| 5841889 | Ultrasound image texture control using adaptive speckle control algorithm A method for controlling the contrast resolution and the tissue texture of ultrasonic images employs a signal processing algorithm to adjust an image by changing the tissue texture (speckle grain size). The algorithm increases the image contrast by alloca... | 11/24/1998 |
| 5615675 | Method and system for 3-D acoustic microscopy using short pulse excitation and 3-D acoustic microscope for use therein A method and system are provided for 3-D acoustic microscopy using short pulse laser excitation. A 3-D acoustic microscope for use in such a system is also provided. In a first embodiment, wherein optical detection is utilized, a focused excitation beam i... | 04/01/1997 |
| 5603326 | Method and apparatus for displaying an image obtained by echo signals In a method for imaging display of a spatially fixed subject with a primary (wave) radiation directed onto the subject, particularly ultrasound, whereby the imaging display ensues with the echo signals received by an echo signal receiver on the basis of t... | 02/18/1997 |
| 5558854 | Ultrasound contrast media comprising perfluoropentane and perfluorohexane gas Ultrasound contrast media comprising gaseous perfluoropentane and gaseous perfluorohexane are disclosed.... | 09/24/1996 |
| 5546945 | Method and apparatus for displaying acoustic signal transit times In a method and apparatus for displaying at least one acoustic propagation property that is present within a body part suitable for diagnosis by acoustic irradiation, ultrasound transmission signals are transmitted along scan lines into the body part by a... | 08/20/1996 |
| 5465723 | Method and apparatus for ultrasound imaging Ultrasound imaging of an object is effected by directing a first and a second ultrasound pulse emitted by a transducer along a beam propagation direction against an object to be imaged. The second pulse has a transducer-to-object propagation time greater ... | 11/14/1995 |
| 5438996 | Ambulatory, ultrasonic transit time, real-time, cervical effacement and dilatation monitor with disposable probes Preferred transducers in the substantial shapes of a three-dimensional bodies, normally spheres or cylinders, emit ultrasound omni-directionally. The transducers are secured to the wall of the cervix uteri of human female, preferably by a barb or corkscre... | 08/08/1995 |
