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7259897 |
System, method and apparatus for direct imaging in ultrasonic holography
An acoustical holographic imaging method and apparatus for introducing a reference wave into a hologram surface such that the reference wave does not interfere with an object placed adjacent to or...
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6860855 |
System and method for tissue biopsy using ultrasonic imaging
A tissue biopsy device uses ultrasonic imaging to guide the biopsy needle. An ultrasonic imaging device comprises three acoustically coupled chambers with an ultrasound transducer in a first...
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6831874 |
Ultrasonic holography detector
There is disclosed an improved ultrasonic hologram or other ultrasonic imaging process that accurately forms phase and amplitude information of the hologram in a manner that renders the unit...
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6757215 |
Apparatus and process modifications in ultrasonic holography to improve image quality
A method and apparatus for generating an acoustic holographic image having a plurality of pulses with different characteristic parameters from each other. More particularly, a sequence contains a...
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6702747 |
Acoustically generated images having selected components
An acoustically generated image includes only selected acoustical components. When an original acoustic signal interacts with an object, the resultant acoustic signal comprises a diffracted...
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6666835 |
Self-cooled ultrasonic applicator for medical applications
A medical instrument uses solid tapered cones mounted to a preferably concave, spherically curved, piezoelectric ultrasound transducer which focuses and concentrates the ultrasound energy to a...
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6590830 |
Apparatus and process modifications in ultrasonic holography to improve image quality
There is disclosed a series of process and apparatus modifications to ultrasonic holography imaging systems that each or together function to enhance image quality of ultrasonic holography images....
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6552841 |
Ultrasonic imager
An imaging system is disclosed which can provide images of received acoustic energy. In one embodiment, a transducer emits an acoustic beam which is reflected off of an acoustic beam splitter onto...
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6544186 |
System and method for diagnostic imaging
An imaging system and method provides for the automatic leveling of a hologram detector system. A detector system must be precisely oriented in a proper predetermined orientation. The present...
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6517490 |
Apparatus and process for enhancing imaging of subtle structures
There is disclosed an apparatus and a process for enhancing images of subtle structures, such as tumor tissue within a soft tissue matrix. Specifically, the process and apparatus provides a...
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6500133 |
Apparatus and method for producing high intensity focused ultrasonic energy for medical applications
A medical instrument uses solid tapered cones mounted to a preferably concave, spherically curved, piezoelectric ultrasound transducer which focuses and concentrates the ultrasound energy to a...
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6432053 |
Process for non-invasively determining the dimensions of a lesion
There is disclosed a method for non-invasively determining dimensions of a lesion within soft tissue, comprising: (a) ultrasonically imaging soft tissue in an apparatus having an acoustic...
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6353576 |
Detector in ultrasonic holography
There is disclosed an improved ultrasonic hologram or other ultrasonic imaging process that accurately forms phase and amplitude information of the hologram in a manner that renders the unit...
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5423319 |
Integrated impedance matching layer to acoustic boundary problems for clinical ultrasonic transducers
An ultrasonic probe for providing efficient and controlled acoustic coupling to a desired medium under examination by the probe. The ultrasonic probe of the present invention employs one or more...
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