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5307810 |
Diagnosis device with function for angling tip probe
A diagnosis device which includes a probe provided at a front end of an elongate insertion portion, and has the function of angling this probe. An angle portion is provided between the insertion...
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5305756 |
Volumetric ultrasonic imaging with diverging elevational ultrasound beams
An ultrasonic transducer is provided for producing two-dimensional projection images of the interior of the body. The transducer may comprise an array of elements, acuated to produce scanning beams...
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5297564 |
Catheter technique for creation of an aortico-pulmonary shunt
A method of creating an aortico-pulmonary shunt with a catheter is provided.
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5297553 |
Ultrasound transducer with improved rigid backing
An ultrasound transducer comprising an array of individual piezoelectric transducer elements mounted upon an improved backing comprising rigid polymeric or polymer-coated particles fused into a...
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5295487 |
Ultrasonic probe
An ultrasonic probe includes an ultrasonic transmitting/receiving element which uses a piezoelectric member constituted by a solid-solution based single crystal of zinc lead niobate-lead titanate,...
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5291090 |
Curvilinear interleaved longitudinal-mode ultrasound transducers
An ultrasound transducer for intravascular examinations comprises an interleaved series of eccentric elliptical electrodes disposed on the back face of a piezoelectric substrate that has been...
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5285789 |
Ultrasonic transducer apodization using acoustic blocking layer
An ultrasound transducer for imaging a target features a piezoelectric transducer element for emitting an ultrasonic wave toward the target and an apodizer fashioned from a thin sheet acoustic...
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5284146 |
Removable implanted device
An implantable, extractable probe for attachment to a vessel or organ. The probe is made up of an elongate probe body having front and rear ends, and top and bottom sides, the elongate probe body...
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5278757 |
Synthetic aperture ultrasonic imaging system using a minimum or reduced redundancy phased array
A synthetic aperture ultrasonic imaging system for imaging a target with a resolution limited by a designated aperture. A phased array of nonuniformly spaced ultrasound transducers having an...
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5275167 |
Acoustic transducer with tab connector
An acoustic transducer assembly is provided in which the signal and reference potential contacts of the elements of the transducer are electrically connected to external circuitry by means of tape...
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5275166 |
Method and apparatus for performing ultrasonic assisted surgical procedures
Ultrasonic sensing systems are incorporated into surgical instruments to monitor operational fields defined by distal ends of the instruments. The instruments include proximal ends for their...
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5265614 |
Acoustic coupler
An acoustic coupler, combined with an ultrasound probe, is made of a gel a part of which is hardened for providing holding means for holding the probe for lifting up the probe with the coupler and...
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5261409 |
Puncturing device for blood vessels
The puncturing device for blood vessels has an ultrasound probe (20) which permits location, based on the Doppler effect, of the blood vessel (50). By means of a guide duct (13) the puncturing...
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5255682 |
Ultrasonic diagnostic imaging systems with scanhead indicators
Ultrasonic diagnostic scanheads are described which include a lighting mechanism located at the transducer end of the scanhead. The scanhead includes an integral light which is illuminated when the...
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5247938 |
Method and apparatus for determining the motility of a region in the human body
Devices are described which can be used to study the physiological function of the intestinal wall. These devices include an ultrasonic transducer that can be attached to a region of the intestinal...
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5229933 |
2-D phased array ultrasound imaging system with distributed phasing
A two-dimensional phased array ultrasound imaging system distributes signal delays between its probe and its base section. The transducer elements are grouped and relative delays between elements...
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5226421 |
Doppler elongate flexible member having an inflatable balloon mounted thereon
A doppler guide wire having an inflatable balloon thereon which is inflatable with a balloon inflation medium. An elongate flexible member having proximal and distal extremities. An ultrasonic...
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5214620 |
Electrically driveable shockwave source
An electrically driveable shockwave source for generating acoustic shockwaves of the type suitable for medical therapy, as a coil arrangement and a membrane disposed adjacent the coil arrangement....
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5213103 |
Apparatus for and method of cooling ultrasonic medical transducers by conductive heat transfer
A method for transferring heat away from an ultrasonic medical transducer having a face wherein heat is generated. The method is accomplished by positioning a heat sink behind the transducer face,...
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5211176 |
Ultrasound examination system
An ultrasound examination system, including an ultrasound probe detachably connected at its proximal end to a probe operating unit and having an ultrasound transducer rotatably mounted on the tip...
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5201715 |
Implantable devices having ultrasonic echographic signature
A target having a characteristic ultrasonic signature for implantation beneath the skin is described. The target, when placed within an implanted injection port enables ultrasonic echographic...
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5201315 |
Ultrasound imaging sheath
An ultrasound imaging sheath for invasive imaging, in particular for imaging blood vessels including the coronary vessels. The sheath is comprised of three lumens; one serves as an ultrasound probe...
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5191889 |
Transducer head for a medical instrument and method of use
A transducer head for a medical instrument (e.g., a cardiotocographic instrument for performing extra-uterine ultrasonic supervision of the fetal heart function) having a housing adapted to be...
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5190046 |
Ultrasound imaging balloon catheter
An ultrasound imaging balloon catheter for imaging near a wall of a cavity or passageway. The apparatus includes an elongated catheter having a primary lumen with a distal opening enveloped by the...
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5186176 |
Ultrasonic diagnosis apparatus
An ultrasonic diagnosis apparatus comprises an ultrasonic probe like a biplane probe having two ultrasonic transducers, a switch for selecting one of the ultrasonic transducers, a...
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5176140 |
Ultrasonic probe
In an ultrasonic probe for use in ultrasonic endoscope, ultrasonic diagnosing apparatus and other ultrasonic apparatuses, an ultrasonic vibrator is arranged in a recess formed in a cylindrical...
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5170790 |
Arm having an end movable in translation, and therapeutic treatment apparatus constituting an application thereof
A positioning device for positioning an instrument in three dimensions, the device comprising at least one arm which is essentially rigid having a first end and a second end, the second end being...
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5167231 |
Ultrasonic probe
An ultrasonic probe including a piezoelectric substrate divided into a plurality of substrate sections aligned in one direction, a common electrode connected to one side of all the separated...
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5167165 |
Device for positioning a measuring element
A device for positioning a measuring element is provided in which the measuring element is suspended by two parallelogram linkage systems in a pivotable manner, the parallelogram linkage systems...
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5165415 |
Self contained hand held ultrasonic instrument for ophthalmic use
Disclosed is a completely portable, hand-held digital ultrasonic instrument about the size and shape of an ordinary pen. The housing is contoured such that it can be easily grasped in the manner of...
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5163436 |
Ultrasonic probe system
An ultrasonic probe system is disclosed, which is designed to allow connection of a DC power supply capable of applying a voltage higher than the coercive electric field of each of a plurality of...
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5164920 |
Composite ultrasound transducer and method for manufacturing a structured component therefor of piezoelectric ceramic
A composite ultrasound transducer (array) contains piezoelectric ceramic transducer elements which radiate substantially in the longitudinal direction, and are embedded in a polymer matrix. The...
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5161537 |
Ultrasonic diagnostic system
An ultrasonic probe has an elongated form with an end. A transducer element array is disposed in the probe for emitting ultrasonic wave frontward with respect to the end of the probe and receiving...
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5158087 |
Differential temperature measurement for ultrasound transducer thermal control
The surface temperature of tissue adjacent to an ultrasound transducer in an ultrasound imaging probe is determined by a differential measurement technique. A first temperature representative of...
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5158086 |
Invasive probe system
An invasive probe system has a hand-held, electrically powered controller acting through a position control cable having a vertebrae-type articulation assembly for connecting to a probe head. The...
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5152294 |
Three-dimensional ultrasonic scanner
A three-dimensional ultrasonic scanner for acquiring data concerning a three-dimensional area within a living body to be examined. In the inside of a scanner case is encased an array transducer...
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5152293 |
Finger-mounted intraoperative imaging device
A small, disposable device for use in intraoperative diagnostic imaging in the form of a finger-mounted probe having an elongated chamber along its longitudinal midline for removably receiving the...
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5134999 |
Ultrasonic transducer assembly
In the ultrasonic bone testing apparatus disclosed herein, a pair of ultrasonic transducer assemblies are brought into contact with opposite sides of a patient's foot and each of the transducer...
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5135001 |
Ultrasound sheath for medical diagnostic instruments
A flexible disposable ultrasound transducer sheath for medical diagnostic instruments comprises a core having a central opening aligned to a core axis and contoured and dimensioned in cross section...
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5131396 |
Ultrasonic internal examination system
Described herein is an ultrasonic internal examination system of the type having a rigid tip portion at the distal end of an ultrasonic probe to be inserted into an intracavitary portion of...
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5127410 |
Ultrasound probe and lens assembly for use therein
This invention provides an ultrasonic transducer probe for medical scanning and a lens assembly for use therein. The probe has a housing in which an ultrasonic transducer array is mounted, there...
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5123418 |
Micro-echographic probe for ultrasound collimation through a deformable surface
The present invention relates to a micro-echographic probe for ultrasound collimation through a deformable surface. The probe comprises at one end an ultrasonic wave beam transducer, disposed, for...
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5122993 |
Piezoelectric transducer
A piezoelectric transducer having plural piezoelectric transducer elements which can generate mechanical vibrations converging substantially on one point. The transducer is formed to control the...
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5119801 |
Piezoelectric shock wave generator
A piezoelectric shock wave generator for use in medical equipment includes a plurality of piezoelectric elements being electrically interconnected to operate in parallel and mounted on a common...
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5119821 |
Diverging signal tandem doppler probe
A dual transducer probe for measuring blood flow by Doppler effect measurement in which quantitative flow data can be compiled and flow constriction points as small as 10% and less can be...
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5117832 |
Curved rectangular/elliptical transducer
An ultrasound transducer for use in an ultrasound visualization and therapy system or the like. The ultrasound transducer is characterized as a single crystal transducer having a radiating surface...
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5115810 |
Ultrasonic transducer array
A plurality of rectangular piezo-electric ultrasonic sector transducers are aligned to form an array, and each transducer has first and second electrodes on its radiating surface. The first...
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5111822 |
Piezoelectric article
An article of manufacture which is used in medical treatment is a concave wave focusing device and a piezoelectric surface coupled to a target locating and treatment aiming ultrasound transducer...
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5109860 |
Probe with curved bar for an echograph
A curved bar probe (1) for an echograph is fabricated by using a thin support (2) on which is placed a bar of piezoelectric crystal. The bar is divided into a plurality of piezoelectric transducers...
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5103825 |
Doppler transducer probe with direction indicator
Current-responsive light-emitting diodes of different colors are provided adjacent to the tip of the hand-held transducer probe of a medical Doppler device. Mechanism is provided to actuate the...
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