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4671289 |
Housing for ultrasonic detector
A housing is disclosed for an apparatus for determining pregnancy in animals which includes a pressure activated switch. The housing includes a housing portion formed from integrally molded...
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4671293 |
Biplane phased array for ultrasonic medical imaging
An improved biplane phased array transducer for real time medical imaging in at least two sector planes having a composite piezoelectric plate with an array of transducer elements disposed on each...
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4668945 |
Detector of bubbles in blood
A device for detecting the presence of a gaseous fluid in relation to a predetermined level of liquid in an elastically deformable vessel comprises a U-shaped body capable of accommodating within...
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4664122 |
Ultrasonic transducer array used in ultrasonic diagnosis apparatus
In an ultrasonic transducer array used in an ultrasonic diagnosis apparatus, the pitch of transducer elements of peripheral subarrays is made smaller than that of a central subarray. The central...
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4653504 |
Ultrasonic probe
A probe for use in an ultrasonic diagnostic apparatus in which the acoustic impedance of a liquid medium put between the oscillator and the living body is made equal to that of the casing having...
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4641660 |
Echography probe and apparatus incorporating such a probe
An echography apparatus comprising a probe reconstituting mobile rings by element switching, said probe comprising a plurality of transducer elements spread over a convex coupling surface, and...
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4641657 |
Probe swivel mechanism
A probe for mounting a transducer, and having a hole extending longitudinal therethrough for a lead, is formed of two end portions having facing intermeshing bevel gears disposed with axes that are...
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4640291 |
Bi-plane phased array for ultrasound medical imaging
A bi-plane phased array transducer for real time medical imaging having a composite piezoelectric disk with an array of transducer-element electrodes disposed on each major surface of said disk,...
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4612809 |
Curved-array ultrasonic probe using low-velocity fluid
A small, simple, yet accurate probe for producing a sector scan for ultrasonic medical diagnostic apparatus is provided by positioning a curved transducer array within the probe opposite a window,...
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4608989 |
Stand-off cell for an ultrasonic scanner head
A stand-off cell for an ultrasonic scanner head has a slit in which a biopsy needle can be guided. The whole introduction will therefore take place in the area supervisable by the scanner head so...
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4593699 |
Sterile cover for intraoperative ultrasonic diagnostic devices and method and kit for providing same
A sterile cover for a sonic probe and connecting cable of a sonic imaging instrument includes (1) a flexible sleeve, open at both ends and having a sterile exterior surface, covering at least a...
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4586512 |
Device for localized heating of biological tissues
A device for therapeutic heating by hyperthermia comprises an emitter which focuses ultrasonic radiation into biological tissues and produces localized heating, especially for the treatment of...
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4582066 |
Ultrasonic transducer probe
An ultrasonic transducer having a transducer head, for insonifying an organ or part thereof in a human patient from a position within the suprasternal notch thereof, wherein the transducer head is...
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4582065 |
Ultrasonic step scanning utilizing unequally spaced curvilinear transducer array
An electronically step scanned real time ultrasonic imaging system and method is disclosed. The system includes a transducer assembly having an unequally spaced array of elements, each with an axis...
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4580574 |
Method and device for non-invasively monitoring the instantaneous fluctuations in the viscoelastic-related properties of a living tissue
The invention provides an ultrasonic device for continuously and noninvasively monitoring instantaneous fluctuations in viscoelastic-related properties of tissue comprising a pair of substantially...
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4579123 |
Stand-off device
A stand-off device for use with an acoustic transducer in the form of a volume having a flexible cup section and a stiff cup section with the lips of the cups joined together and almost filled with...
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4576176 |
Transducer for measurement of corneal thickness
Apparatus for measuring corneal thickness. A transducer is provided that transducer includes a plurality of piezo-electric arcuate segments arranged in a circle to form an annular member. The...
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4556066 |
Ultrasound acoustical coupling pad
An ultrasound acoustical coupling pad comprising, a retaining member comprising a sheet having a front surface, a back surface, and a cut-out. The pad has a doppler transducer received in the...
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4541433 |
Cardiac output monitor
A cardiac output monitor of the type including an ultrasound crystal for use as a doppler flowmeter. The monitor is designed for mounting directly to a blood vessel, and is provided with a novel...
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4535781 |
Manually operated ultrasound applicator
An ultrasonic transducer is pivotally attached to one end of an elongated handle which is divided into first and second half shells. The transducer can be freed to rotate or locked in position by...
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4483344 |
Device for positioning cardiographic sensor
Described herein is a device for positioning and fixing an echosignal sensor and sensors of electric signals in an apparatus for taking cardiograms having an echocardiograph and an...
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4474184 |
Bubble trap for ultrasound scanhead
A bubble trap for use with an ultrasonic scanhead is described. The bubble trap is comprised of a reservoir chamber connected to the main chamber housing the ultrasound transducer. The reservoir...
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4457311 |
Ultrasound imaging system for scanning the human back
An ultrasound scanning system having a linear array of ultrasound transducers and a transporter system for moving the transducers along the human back. There is a means for producing a position...
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4437468 |
Ultrasound scanning system with semi-independent transducer array
An ultrasound scanning system particularly adapted for scanning large body areas such as the back. There is a plurality of ultrasound transducers, each mounted in a transducer shoe, and each shoe...
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4393712 |
Portable liquid crystal testing device
There is disclosed herein a portable device for inspecting bodies for internal flaws or other internal features. The device is constructed so as to be mounted on the surface of the body, emit and...
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4385255 |
Linear array ultrasonic transducer
A linear array ultrasonic transducer is provided primarily for use in a medical diagnostic examination device in which an ultrasonic beam is projected toward an object to be examined, thereby to...
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4336808 |
Ultrasonic wave probe
An ultrasonic wave probe comprises an ultrasonic wave transmitting vibrator and a pair of ultrasonic wave receiving vibrators in order to measure blood flow velocity. The receiving vibrators are...
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4316271 |
Purging and expansion mechanism
A housing for an electroacoustic transducer includes a filling or access port for introducing an inert liquid into the chamber defined by the housing. The access port includes a bubble trap and a...
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4296753 |
Support for a transducer for emitting and/or receiving ultrasonic signals in a given angular sector
A support for a transducer for emitting and/or receiving ultrasonic signals in a given angular sector, comprising a series of substantially coaxial, loop-shaped elements which are axially arranged...
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4276491 |
Focusing piezoelectric ultrasonic medical diagnostic system
There is disclosed an ultrasonic piezoelectric transducer consisting of two separate transducer elements bonded together. The individual elements may be similar or different in size, thickness,...
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4217516 |
Probe for ultrasonic diagnostic apparatus
A probe for an ultrasonic diagnostic apparatus is provided which has a supporting plate and a plurality of electro-acoustic transducers arranged in a line on the supporting plate. A thin film with...
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4211949 |
Wear plate for piezoelectric ultrasonic transducer arrays
A linear transducer array for 90° or other wide angle sector scans is covered by a body contacting wear plate made of a material such as filled silicone rubber or polyurethane epoxy in which the...
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4205686 |
Ultrasonic transducer and examination method
An ultrasonic system and method for examining the structure of a subject body is disclosed. The system includes an improved ultrasonic transducer and power circuitry for electrically stimulating...
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4181120 |
Vessel for ultrasonic scanner
A vessel for an ultrasonic scanner, comprising a protection cap and a vessel body; the protection cap including a window portion made of a material which is highly penetrable by ultrasonic energy...
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4068521 |
Ultrasonic air and blood foam detector
An ultrasonic air and blood foam detector for use in medical procedures involving extracorporeal handling of blood. A sensor assembly is adapted for positioning about a blood drip chamber and...
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3927662 |
Ultrasonic transducer assembly
A series of ultrasonic multi-element transducer assemblies is disclosed for patient monitoring use and particularly fetal monitoring prior to and during delivery. Each assembly is comprised of a...
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3921622 |
Method and apparatus for ultrasonic detection of inclusions in a flowing fluid
Inclusions in a flowing fluid, such as bubbles in a flow of blood, are detected by transmitting a continuous ultrasonic signal normally across the flow and detecting changes in the amplitude of the...
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3893449 |
Reference apparatus for medical ultrasonic transducer
A portable miniature ultrasonic transducer positioning apparatus is described having a transducer receiving sleeve coupled to a pair of orthogonally orientated, independently pivotable yokes. The...
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3847141 |
ULTRASONIC BONE DENSITOMETER
A device for measuring the density of a bone structure so as to monitor the calcium content thereof. A pair of opposed spaced ultrasonic transducers are held within a clamping apparatus closely...
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3379901 |
Fetal heart transducer and method of manufacture
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3292018 |
Transducers
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3023611 |
Ultrasonic method and apparatus for investigating the interior structure of solid bodies
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