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7621874 |
Systems and methods for improved three-dimensional imaging of a body lumen
The systems and methods described herein provide for the improved three-dimensional imaging of the an internal body lumen of a living being. A medical imaging system is provided which can include...
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7620445 |
Apparatus for acquiring tomographic image formed by ultrasound-modulated fluorescence
In a fluorescence tomography apparatus for obtaining fluorescence tomographic images of a region of an object to be observed: an application unit concurrently applies an ultrasonic wave and...
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7618374 |
Image plane sensing methods and systems for intra-patient probes
A position of an imaging plane relative to a catheter or other probe is aligned with tissue of interest. Ultrasound tissue images may be registered to the catheter position with minimal rotational...
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7613503 |
Device with infusion holes for imaging inside a blood vessel
An imaging device such as a catheter has a plurality of infusion holes adapted to infuse liquid into the blood stream while substantially preventing radial jetting. An example imaging catheter...
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7544166 |
Systems and methods for imaging with deployable imaging devices
The systems and methods described herein provide for a medical device insertable into the body of a living being having an imaging device with a layout that is adjustable from an undeployed layout,...
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7527594 |
Optical-acoustic imaging device
The present invention is a guide wire imaging device for vascular or non-vascular imaging utilizing optic acoustical methods, which device has a profile of less than 1 mm in diameter. The...
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7507205 |
Steerable ultrasound catheter
Steerable catheters are provided including an elongated flexible member having a proximal end, a distal end and a lumen extending therebetween (i.e., between the proximal end and the distal end). A...
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7500954 |
Expandable ultrasound transducer array
A foldable transducer array is unfolded or deployed for use, providing a larger radiating surface. While folded, the transducer array has a smaller width or volume for insertion into and withdrawal...
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7493219 |
Method of discriminating particle groups and particle analyzer
A method for discriminating particle groups comprises generating, by a particle analyzer, a particle characteristic distribution histogram in which the abscissa indicates respective channels for...
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7481774 |
Catheter with physiological sensor
The disclosed embodiments present improved catheters with physiological sensors. In one embodiment, the catheter includes, generally, a pressure transducer/electronics assembly connected to a...
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7396332 |
Transducer with multiple resonant frequencies for an imaging catheter
A single transducer element that is capable of oscillation at a plurality of natural resonant frequencies may be used in an ultrasonic imaging catheter assembly including a catheter body configured...
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7393501 |
Method, apparatus and system for treating biofilms associated with catheters
An apparatus, system and method for preventing or treating biofilm associated with catheters. A piezo-ceramic element may be attached to a catheter, and a vibration processor may be connected to...
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7364546 |
Multi-functional medical catheter and methods of use
The present invention provides multi-functional medical catheters, systems and methods for their use. In one particular embodiment, a medical catheter ( 100 ) includes a flexible elongate body (...
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7359554 |
System and method for identifying a vascular border
A system and method is provided for using a first vascular image, or more particularly a plurality of control points located thereon, to identify a border on a second vascular image. Embodiments of...
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7338452 |
Ultrasonic diagnostic apparatus and method
An ultrasonic diagnostic system according to the present invention has an ultrasonic transducer mounted on a catheter, an instantaneous distortion value calculator which calculates an instantaneous...
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7335180 |
Steerable ultrasound catheter
Ultrasound catheter devices and methods provide enhanced disruption of blood vessel obstructions. Ultrasound catheter devices generally include an elongate flexible catheter body with one or more...
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7289842 |
System for medical examination or treatment
The invention relates to a medical investigation and/or treatment system comprising:
a catheter system, comprising a catheter ( 1, 7, 9 ), with a first sensor ( 4, 11 ) of an imaging system...
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7288264 |
Contact-killing antimicrobial devices
Contact killing antimicrobial articles, devices and formulations are described which kill microorganisms on contact. The articles, devices or formulations contain a non-leaching antimicrobial...
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7267650 |
Ultrasound directed guiding catheter system and method
A guiding catheter system employs a flexible shaft having a preformed bend at a distal end. An ultrasound transducer is mounted proximal to the pre-formed bend. The ultrasound transducer has a...
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7226417 |
High resolution intravascular ultrasound transducer assembly having a flexible substrate
An ultrasound transducer assembly of the present invention includes a flexible circuit to which an ultrasound transducer array and integrated circuitry are attached during fabrication of the...
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7194297 |
Impedance-matching apparatus and construction for intravascular device
Intravascular device for matching impedances of portions of an intravascular circuit and limiting RF signal-induced heating of intravascular conductors. An intravascular device includes alternating...
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7155272 |
Catheter
An ultrasound catheter includes a transducer unit used for observation of the inside of an organism, observation lumens in which the transducer unit is disposed and which extend in the direction of...
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7144371 |
Transesophageal ultrasound probe having a rotating endoscope shaft
A transesophageal ultrasound probe for imaging internal structures via an imaging element located on the distal end of a rotating endoscope shaft. The probe includes a rotating endoscope having an...
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7131948 |
Method and apparatus for intravascular two-dimensional ultrasonography
A catheter is provided for insertion in the he blood vessel of a patient for ultrasonically imaging the vessel wall. The catheter includes a tubular element and an internally housed drive cable for...
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7074188 |
System and method of characterizing vascular tissue
A system and method is provided for using backscattered data and known parameters to characterize vascular tissue. Specifically, in one embodiment of the present invention, an ultrasonic device is...
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7052463 |
Method and apparatus for cooling a contacting surface of an ultrasound probe
A cooling system for an ultrasonic imaging system is provided, the ultrasonic imaging system having a probe for transmitting and receiving acoustic signals through a tip of the probe to and from...
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7024025 |
Nonuniform Rotational Distortion (NURD) reduction
A new image processing method reduces Nonuniform Rotational Distortion (NURD) in a medical image acquired using a rotating transducer. The image comprises a plurality of image vectors having...
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6996432 |
Automated longitudinal position translator for ultrasonic imaging probes, and methods of using same
An improved medical imaging system preferably includes an imaging device having a housing, an imaging transducer, and a position marker coupled near the imaging transducer. The system further...
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6979293 |
Blood flow reestablishment determination
A method for monitoring a clot dissolution treatment in a patient's vasculature comprises positioning a catheter at a treatment site in the patient's vasculature. The method further comprises...
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6969354 |
Adaptable intraoperative or endocavity ultrasound probe
An intraoperative or endocavity ultrasound probe for insertion into a patient is provided. An adaptable or adjustable section is provided between the handle and the transducer for rotating the...
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6966891 |
Catheter
A catheter includes a sheath main body portion, a first lumen, a sheath distal end portion, and a second lumen. The sheath main body portion is inserted into an organism. The first lumen is a...
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6899682 |
Intravascular ultrasound transducer assembly having a flexible substrate and method for manufacturing such assembly
The present invention comprises methods for fabricating an ultrasound transducer assembly having a flexible circuit. Preferably, the method comprises attaching an ultrasound transducer array and...
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6824515 |
Ultrasound-guided ablation catheter and methods of use
The present invention provides ultrasound-guided ablation catheters and methods for their use. In one embodiment, a tissue ablation apparatus ( 2 ) includes a flexible elongate body ( 12 ) having...
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6796945 |
Intravascular imaging guidewire
An intravascular imaging guidewire is provided that can accomplish longitudinal translation of an imaging plane allowing imaging of an axial length of a region of interest without moving the...
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6772001 |
Medical examination and/or treatment system
A medical examination and/or treatment system has an X-ray image exposure system with a radiation source, a radiation receiver as well as a control and processing device that controls them, a...
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6755791 |
Ultrasonic diagnostic apparatus and ultrasonic diagnostic method
An ultrasonic diagnostic apparatus includes one transmitting coil arranged in the longitudinal direction of an endoscope inserting portion in an ultrasonic endoscope, and another transmitting coil...
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6716166 |
Three-dimensional reconstruction using ultrasound
Apparatus for mapping a surface of a cavity within a body of a subject includes an elongate probe, having a longitudinal axis and including a distal portion adapted for insertion into the cavity. A...
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6712783 |
Catheter system having a balloon angioplasty device disposed over a work element lumen
An intravascular catheter system has a balloon angioplasty device disposed about a common lumen near its distal end. The common lumen is in communication with multiple lumens within a proximal...
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6712767 |
Ultrasonic imaging devices and methods of fabrication
An ultrasound catheter suitable for insertion in the body lumens of a patient during medical procedures is provided. An ultrasound transducer may be provided at the distal tip of the catheter. An...
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6705997 |
Signal processing circuit and ultrasound doppler apparatus
In order to arrange continuous wave signal paths using fewer switches, a plurality of amplifying circuits 602 for respectively amplifying a plurality of continuous wave input signals, and...
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6660024 |
Tissue penetrating catheters having integral imaging transducers and their methods of use
A catheter device that is useable to penetrate from a blood vessel in which the catheter device is positioned to a target location comprises a flexible catheter advanceable into the first blood...
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6659950 |
Percutaneous epicardial injection
A percutaneous epicardial injection apparatus for myocardial repair and treatment includes a catheter having a tubular wall, an interior portion surrounded by the tubular wall, a base end, a distal...
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6645152 |
Apparatus for the intravascular ultrasound-guided placement of a vena cava filter
An apparatus for the intravascular placement of a vena cava filter includes a flexible deployment sheath and an IVUC with an ultrasonic imaging element. These two components are joined together and...
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6623433 |
Automated longitudinal position translator for ultrasonic imaging probes, and methods of using same
A longitudinal position translator includes a probe drive module and a linear translation module. The probe drive module is coupled operatively to an ultrasonic imaging probe assembly having a...
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6612992 |
Medical diagnostic ultrasound catheter and method for position determination
A catheter and method for determining a position of the catheter within the cardiovascular system is provided. Local bending and twisting is measured at multiple locations along the catheter. By...
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6544187 |
Parametric imaging ultrasound catheter
A parametric imaging ultrasound catheter apparatus is capable of obtaining parametric images of the surrounding insonated environment. Parametric imaging is defined as the imaging of quantifiable...
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6508781 |
Ultrasonic ablation catheter transmission wire connector assembly
An ultrasonic angioplasty device includes a catheter and a connector assembly for interconnecting an ultrasound transmission member to an ultrasound transducer. A rotation control device is...
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6454715 |
Methods and apparatus for blood speckle detection in an intravascular ultrasound imaging system
Methods and apparatus for blood speckle detection for enhanced intravascular ultrasound imaging. The present invention utilizes the fact that the energy scattering strength from blood exhibits a...
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6450965 |
Imaging catheter assembly with distal end inductive coupler and embedded transmission line
A catheter assembly includes an elongate catheter body having a proximal end and a distal end with a drive cable disposed therein, the drive cable having a proximal end and a distal end, and...
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6450964 |
Imaging apparatus and method
An apparatus and method for determining angular position of a sensor within a catheter. The invention is particularly useful for imaging devices delivered to a body lumen by a catheter, as may be...
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