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6055861 |
Methods and apparatus for ultrasound imaging using combined scan patterns
An ultrasound imaging system includes an array of transducer elements, a predetermined number of transducer and receiver channels less than the number of transducer elements in the array, and an...
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6056695 |
Device for time-resolved and space-resolved location of a miniaturised emitter
What is disclosed here is a transmitting and receiving means for ultrasonic waves, comprising a miniaturized ultrasonic generator which operates inendently on a battery and which is appropriate for...
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6056696 |
Frustrated total internal reflection acoustic field sensor
A frustrated total internal reflection acoustic field sensor which allows the acquisition of the acoustic field over an entire plane, all at once. The sensor finds use in acoustic holography and...
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6056692 |
Apparatus and method for locating and marking blood vessels
A device for non-invasively locating and marking blood carrying vessels in a live human body includes a housing having a control panel for user selection of functions, a central processing unit...
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6053871 |
Calibrated hollow probe for use with ultrasound imaging
A medical device which has a connection between a signal generating device and a hollow probe, the connection providing a smooth air conduit from the signal generating device to the hollow probe....
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6042546 |
Element arranging structure for transducer array for forming three-dimensional images and ultrasonic three-dimensional imaging apparatus adopting the same
An element arranging structure for a transducer array to form three-dimensional images of an object from the surface shape of the object is provided. The transducer array includes a plurality of...
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6039694 |
Coupling sheath for ultrasound transducers
A homogeneous, solid, elastic, biocompatible sheath which is conformal and performs as if integral to the diagnostic and/or therapeutic medical ultrasound transducer, and comprised of 20 to 95%...
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6039695 |
Probe coupler for ultrasound examination system
An ultrasound probe coupler for electrically and rotationally coupling an ultrasound probe with a probe control unit of an ultrasound examination system. The probe coupler essentially includes a...
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6036647 |
PZT off-aperture bonding technique
A transducer assembly having an improved external connection configuration, a method for manufacturing such a transducer assembly, and a catheter system incorporating the transducer assembly. The...
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6036648 |
Machine tilt transducer and methods of making
In one embodiment, an ultrasound imaging assembly (80) includes a housing (82) having a longitudinal axis (88), a proximal end (86), and a distal ending (84) defining a receptacle (90). The imaging...
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6036646 |
Method and apparatus for three dimensional ultrasound imaging
A method and apparatus for medical diagnostic ultrasound imaging that utilizes a one, one and one-half or two dimensional scanhead for performing three dimensional imaging. The method and apparatus...
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6027450 |
Treating a totally or near totally occluded lumen
A method and system for recanalizing a totally or near totally occluded body lumen such as an artery which has an elongated catheter shaft with means such as a cutting or ablating element at the...
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6027449 |
Ultrasonometer employing distensible membranes
An ultrasonometer having opposed ultrasonic transducers with bladders containing a coupling fluid, controls the geometry of the bladder so as to provide immobilization of the patient as well as...
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6019727 |
Center conductor and PZT bonding technique
A transducer assembly having an improved external connection configuration, a method for manufacturing such a transducer assembly, and a catheter system incorporating the transducer assembly. The...
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6019726 |
Catheter having probes for correcting for non-uniform rotation of a transducer located within the catheter
A catheter for imaging a cavity. The catheter includes a sheath having a distal end that is introduced into a cavity to be imaged and a proximal end that resides outside of the cavity. The sheath...
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6017311 |
Ultrasound probe having an insulating sleeve member
An ultrasound probe of the type having, successively from its head to tail end, an ultrasound scanner head assembly accommodating an ultrasound transducer element rotatably within an end cap, an...
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6013032 |
Beamforming methods and apparatus for three-dimensional ultrasound imaging using two-dimensional transducer array
An ultrasound imaging system includes a two-dimensional array of ultrasound transducer elements that define multiple subarrays, a transmitter for transmitting ultrasound energy into a region of...
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6007490 |
Ultrasonic probe with disconnectable transducer
An ultrasonic transducer probe that provides a connector for quickly, easily, and reliably connecting and disconnecting the transducer electrical connections in such a manner that the connection is...
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6004273 |
Ultrasound transmission medium feed device for endoscopically inserting ultrasound probe
An ultrasound transmission medium feed device particularly for an endoscopically inserting ultrasound probe adapted to be introduced into a body cavity through and under the guidance of one of...
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5997481 |
Probe cover with deformable membrane gel reservoir
A probe cover for an ultrasonic imaging probe, the cover including a reservoir for containing a quantity of ultrasonically transmissive gel. The reservoir is formed by a deformable membrane having...
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5989191 |
Using doppler techniques to measure non-uniform rotation of an ultrasound transducer
According to one embodiment, an apparatus for measuring rotational velocity includes a support member, a transducer, and a Doppler shift measurement module. The transducer, which is supported by...
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5984871 |
Ultrasound transducer with extended focus
An ultrasound transducer having an extended focus for enabling an ultrasound imaging catheter to image features at a distance from the transducer with a high resolution and a high penetration...
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5980461 |
Ultrasound imaging apparatus for medical diagnostics
A hand held ultrasound system is disclosed. By use of a curved reflector for focusing sound energy reflected by a structure being imaged a simple, lightweight, and power efficient device is...
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5976091 |
Limited diffraction broadband phased array transducer with frequency controlled two dimensional aperture capability
A transducer array and method for medical imaging which produces an ultrasound beam upon excitation, the transducer array including a plurality of transducer elements, each of said transducer...
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5976092 |
Combination stereotactic surgical guide and ultrasonic probe
A stereotactic surgical guide to be coupled to the shaft of a conventional ultrasonic probe for use during cryosurgery to enable a surgeon to easily, efficiently and accurately position one or more...
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5976090 |
Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof
There is provided a transducer array with a plurality of piezoelectric elements having a minimum and maximum thickness. In one embodiment, the maximum thickness is less than or equal to 140 percent...
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5967990 |
Surgical probe comprising visible markings on an elastic membrane
Surgical probe for use in minimally invasive surgery. The probe includes an elastic membrane tip portion which deforms upon contact with an object. The elastic membrane forms an enclosure...
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5967989 |
Ultrasonic sensors for monitoring the condition of a vascular graft
A parameter indicative of the status of fluid flow is remotely monitored in a vessel, a natural graft, or a synthetic graft. One or more transducers are provided either in a wall of a synthetic...
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5961465 |
Ultrasound signal processing electronics with active cooling
An ultrasound transducer structure in accord with the invention includes: an ultrasound transducer operable to generate and receive ultrasonic energy, a communication cable, integrated circuits for...
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5957849 |
Endoluminal ultrasound-guided resectoscope
A surgical implement, such as a surgical electrode, and an ultrasound transducer, both extend through a single elongated insertion member, typically, a catheter. The ultrasound transducer extends...
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5957850 |
Multi-array pencil-sized ultrasound transducer and method of imaging and manufacture
An ultrasound transducer having a field of view greater than 180°, and having a physical shape which permits it to be employed in the investigation and observation of the anatomy, or other body,...
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5957847 |
Method and apparatus for detecting foreign bodies in the medullary cavity
An apparatus for detecting a lateral locking hole of an intramedurally nail includes a targeting device. The targeting device has a support lever having a slider attached thereto. An ultrasonic...
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5957851 |
Extended bandwidth ultrasonic transducer
An ultrasound transducer that allows transmission of pressure waves at a first frequency and reception of pressure waves at a second frequency. Each transducer element is formed by multiple layers...
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5938612 |
Multilayer ultrasonic transducer array including very thin layer of transducer elements
An ultrasonic transducer array having a plurality of transducer elements, at least some of which have multiple piezoelectric and electrode layers. The resonant frequency of the transducer elements...
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5931788 |
Method and apparatus for imaging internal organs and vascular structures through the gastrointestinal wall
The present invention is a method and apparatus for ultrasound imaging of internal structures near a stomach of a patient. Under the present invention, high resolution images of abdominal...
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5931786 |
Ultrasound probe support and stepping device
Apparatus for a medical instrument includes bracket member having a cavity dimensioned and configured to receive at least a portion of the medical instrument; carriage member defining a recess...
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5931783 |
Apparatus for penile hemodynamic monitoring and ultrasound transmission
The present invention is directed toward a method and apparatus for transmitting ultrasound energy into an expanding penis and for stimulating and/or monitoring hemodynamic activity, such as blood...
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5931785 |
Ultrasonic transducer having elements arranged in sections of differing effective pitch
An ultrasonic imaging system may include a transducer array having a novel distribution of transducer elements. Preferred embodiments of the system include a transducer having a linear, curved...
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5928154 |
Ultrasound probe housing with reduced control pressure grip and method for manufacturing same
A grip layer formed circumferentially around a substantial portion of a length of an ultrasound probe housing and having a high coefficient of friction. The grip layer enables an administering...
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5921933 |
Medical devices with echogenic coatings
A medical device for insertion into human body having an echogenic portion of enhanced visibility in an ultrasound scan. The echogenic portion includes an echogenic material comprising a plastic...
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5916169 |
Phased array transducer design and method for manufacture thereof
A phased array transducer and method for the manufacture thereof having a design that allows the array to focus in a near field of interest and a far field of interest. The array includes a...
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5913825 |
Ultrasonic probe and ultrasonic survey instrument
An ultrasonic scanning instrument uses a probe formed by arranging a plurality of oscillator pieces aligned on a flexible base plate. The oscillator pieces each transmit ultrasonic waves into a...
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5906580 |
Ultrasound system and method of administering ultrasound including a plurality of multi-layer transducer elements
An ultrasonic imaging system capable of transmitting and receiving ultrasound over a wide frequency range, i.e., 500 KHz-300 MHz. Ultrasound may be transmitted from a single transducer array at...
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5897503 |
Ultrasound transducer probe having case handle grip surfaces
A hand-held transducer probe is overlapped with elastomeric material for improving the friction and softness of the grip of the probe. The elastomeric material comprises a biocompatible material...
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5893832 |
Transducer element alignment structure in two-dimensional transducer array for forming ultra-sonic three-dimensional images
A transducer element alignment structure for use with a two-dimensional transducer to form an ultrasonic three-dimensional image performs a three-dimensional scanning by using the smallest number...
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5891041 |
Ultrasonic imaging system adapted for use with ultrasonic probes having different center frequencies
Disclosed herein is an ultrasonic diagnostic apparatus employing two or more ultrasonic probes each comprising a plurality of ultrasonic transducers each for transmitting and receiving an...
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5884627 |
Ultrasonic probe, ultrasonic probe device. process for producing piezoelectric element for use in ultrasonic probe and ultrasonic probe and ultrasonic diagnostic equipment and system using ultrasonic probe
An ultrasonic probe comprising a coaxial cable 11 capable of transferring an energizing pulse voltage and an echo signal, at least one piezoelectric element 5, an acoustic matching layer 7 disposed...
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5882309 |
Multi-row ultrasonic transducer array with uniform elevator beamwidth
A multi-row ultrasound transducer array having a central row of transducer elements and a pair of outermost rows of transducer elements on opposing sides of the central row. The corresponding...
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5882310 |
Ultrasound transducer connector and multiport imaging system receptacle arrangement
A plurality of ultrasound imaging system receptacles are arranged either vertically one above the other or horizontally side-by-side, each receptacle having an insertion slot for receiving the...
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5879305 |
Rotational correlation of intravascular ultrasound image with guide catheter position
Apparatus and method are described for introducing an imaging catheter to the coronary vasculature. A guiding catheter is introduced so that the distal end of the guiding catheter engages a...
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