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Class 600/451 - Echoencephalography


Subclass of Class 600 - Surgery
Definition: Subject matter wherein the single dimension display or measurement
No. of patents: 21
Last issue date: 08/03/2010


NumberTitleIssue Date
7766837M-tracking for space-time image
A new method is introduced able to track the motion of a thin object, e.g. a wall, from a series of digital field data (e.g. images) in order to analyze field information corresponding to the moving position of the object. The method is based on the extraction of M-...
08/03/2010
7254493Pressure transducer based fluid velocity sensor
The invention consists of a pressure transducer based air velocity sensor that has been optimized for use in metal ducts. The fluid flow velocity is determined by measuring the propagation delay of a direct path pressure wave signal transmitted through the fluid as ...
08/07/2007
7069124Robotic modeling of voids
Robotic systems for modeling, mapping and exploring subterranean void spaces such as mines, caves, tunnels, bunkers, and conduits. Robotic modeling of subterranean voids is generally enabled by a procedural system consisting of preprocessing, ingress, void modeling,...
06/27/2006
7037267Medical diagnostic methods, systems, and related equipment
A medical diagnostic method, system and related equipment particularly adapted to diagnose disorders of the blood circulation serving the head and neck, and especially the brain. A preferred use of the system is early, rapid, accurate, diagnosis of stroke, especiall...
05/02/2006
6702743Ultrasound apparatus and method for tissue resonance analysis
An ultrasound probe is placed on the head of a patient, and is used to generate an ultrasound pulse which propagates through the skull and brain of the patient, and is reflected off of the skull and soft tissue lying in a path perpendicular to the ultraso...
03/09/2004
6475147Ultrasonic apparatus and technique to measure changes in intracranial pressure
Changes in intracranial pressure can be measured dynamically and non-invasively by monitoring one or more cerebrospinal fluid pulsatile components. Pulsatile components such as systolic and diastolic blood pressures are partially transferred to the cerebr...
11/05/2002
6454774Device for introducing brain probes
A device for inserting a thin measurement probe into brain tissue, the device including a skull screw, a guide hose, and a compressive screw connection. The skull screw defines a longitudinal borehole through which the guide hose and a measurement probe e...
09/24/2002
6377833System and method for computer input of dynamic mental information
A system calibrates a user's brain region (e.g., the primary visual cortex or V1 region) to actual sensory information (e.g., the visual field), and enables imagined sensory information (e.g.; dynamic mental imagery) to be interpreted as computer input. T...
04/23/2002
6328694Ultrasound apparatus and method for tissue resonance analysis
An ultrasound probe is placed on the head of a patient, and is used to generate an ultrasound pulse which propagates through the skull and brain of the patient, and is reflected off of the skull and soft tissue lying in a path perpendicular to the ultraso...
12/11/2001
6231509Apparatus and method for monitoring intracranial pressure
An apparatus and a method that permit the accurate measurement and continuous monitoring of the intracranial pressure of humans and vertebrates that eliminates the requirement of direct contact with the patient's head, obviates problems previously encount...
05/15/2001
6210335Acoustic flash to increase penetration
Upon detection of systole by a detector (21), a master controller (20) adjusts a transmit level control (36) to cause a transducer array (2) to transmit ultrasound waves with a high acoustic output approaching the mechanical index FDA limit with sufficien...
04/03/2001
5951476Method 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
5941826Method for adjustment of the Doppler angle in echography, and arrangement for carrying out the method
The Doppler angle is adjusted to a value close to the optimum Doppler angle DAopt, typically amounting to 60°, between the direction of an echographic excitation and the axis of a blood vessel in an echographic image, based on prior designation of an ini...
08/24/1999
5701897Ultrasonic diagnosis apparatus and image displaying system
There is provided an ultrasonic diagnosis apparatus in which a region containing an organ of an object being examined is diagnosed by means of ultrasonic beams, the organ being in motion, the apparatus comprising: an element for scanning the region by the...
12/30/1997
5605155Ultrasound system for automatically measuring fetal head size
An ultrasound system automatically measures fetal head size from ultrasound images. An ultrasound image of the fetal head is detected. A radial maxima point is identified on each of a plurality of radii extending from a substantially common vertex point w...
02/25/1997
5513640Diagnostic ultrasound system
A diagnostic ultrasound system is provided for displaying a color image of a motion of a tissue scans an ultrasonic pulse signal along a tomographic plane to acquire an electrical echo signal, extracts a Doppler signal from the echo signal, calculates vel...
05/07/1996
5388583Method and apparatus for non-invasively deriving and indicating of dynamic characteristics of the human and animal intracranial media
An ultrasonic non-invasive technique is descried for deriving the time dependencies of characteristics of certain regions in the intracranium medium. Precise measurements of the transit travel times of acoustic pulses are made and processed to extract var...
02/14/1995
5109868Method for diagnosing senile dementia of the Alzheimer's type
A method is provided for detecting senile dementia of the Alzheimer's type (SDAT) wherein atrophy of the medial temporal lobe of the brain (for example as determined by CT scan) as indicated by a thickness thereof, at its narrowest point, of 11.5 mm or le...
05/05/1992
5016641Spectral interpolation of ultrasound Doppler signal
A method and apparatus for producing the Doppler audio output in a medical ultrasound system. The system includes a transmitter for transmitting ultrasound into a body, a receiver for receiving and processing echoes to produce a Doppler signal, and a Dopp...
05/21/1991
4984567Apparatus for measuring intracranial pressure
The present invention relates to an apparatus for measuring the intracranial pressure of a living body or patient utilizing ultrasonic waves. An ultrasonic pulse is transmitted as triggered by a trigger signal into the cranium from an ultrasonic probe pla...
01/15/1991
4043321Arrangement for ultrasonic-echo encephalography
An arrangement for effecting ultrasonic-echo encephalography, including at least two ultrasonic heads, as well as a recording arrangement for the ultrasonic waves which are received from the skull of a patient, and having at least one marking device assoc...
08/23/1977
 
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