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7625343 |
Concave phased array imaging catheter
The present invention generally relates to medical devices, and more particularly to an improved intravascular device. In one embodiment, an intravascular device includes a catheter having proximal...
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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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7604601 |
Display of catheter tip with beam direction for ultrasound system
A medical imaging system for imaging a patient's body includes a catheter having a position sensor and an ultrasonic imaging sensor wherein the position sensor transmits electrical signals...
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7563242 |
Ultrasonic surgery apparatus
An ultrasonic surgery apparatus capable of setting surgical conditions properly in accordance with hardness of a nucleus lentis and performing surgery with efficiency is disclosed. The ultrasonic...
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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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7524289 |
Resolution optical and ultrasound devices for imaging and treatment of body lumens
A rotationally vibrating imaging catheter and method of utilization has an array of ultrasound or optical transducers and an actuator along with signal processing, display, and power subsystems....
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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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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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7488289 |
Imaging catheter and methods of use for ultrasound-guided ablation
The present invention provides ultrasound imaging catheters, systems and methods for their use which will be particularly useful to monitor the positioning of ablation catheters. In one embodiment,...
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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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7452345 |
Anti-infective endotracheal tube
A multi-lumen endotracheal tube has means for coating an inside and an outside surface of the endotracheal tube with antimicrobial and antibiofilm agents; means for releasing antimicrobial and...
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7452331 |
Vascular adjustable multi-gauge tilt-out method and apparatus for guiding needles
An apparatus and method for guiding a needle in conjunction with a biopsy using a medical imaging device, where an open-ended needle guide with an adjustable pivoting multi-gauge needle stop is...
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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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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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7314448 |
Imaging transducer assembly
An improved medical imaging device assembly includes an imaging transducer coupled to the distal end of a drive shaft, and a conductive wire is wrapped around a distal portion of the drive shaft,...
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7291110 |
Catheter lesion diagnostics
Catheter lesion diagnostics are disclosed.
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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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7285116 |
Non-contact tissue ablation device and methods thereof
A catheter for ablating body tissue of the interior regions of the heart includes a handle assembly, a shaft, and a distal tip section coupled to the distal end of the shaft. The distal tip section...
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7245959 |
Imaging catheter for use inside a guiding catheter
An imaging catheter which is constructed to be inserted into a guiding catheter having a small outer diameter, such as 5 French, such that a standard guidewire and imaging catheter are...
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7211063 |
Pressure sensor for therapeutic delivery device and method
The present invention is an apparatus for treating a selected patient tissue or organ region, at the surface of such region. The apparatus has an accessing tool for accessing the patient region,...
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7166075 |
Elastographic imaging of in vivo soft tissue
Elastographic images provide visualization in two or three dimensions of RF ablation lesions to guide in the ablation process. Compression may be applied using the RF probe. A similar technique may...
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7156812 |
Volumetric image ultrasound transducer underfluid catheter system
An underfluid ultrasound imaging catheter system includes a catheter having a distal end inserted into an underfluid structure, an ultrasonic transducer array mounted proximate the distal end of...
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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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7081094 |
Imaging transducer assembly
The present invention is generally directed towards an imaging transducer assembly. Generally, the imaging transducer assembly is combined with a sensor of a medical positioning system. In one...
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7077808 |
Ultrasonic imaging catheter
An ultrasonic imaging catheter apparatus and a method of using the same to scan the inner wall of a body lumen. The ultrasonic imaging catheter apparatus comprises: (a) a flexible elongate element...
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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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7047068 |
Microelectrode catheter for mapping and ablation
Catheter for mapping and/or ablation, and methods of using the same. According to one embodiment, catheter includes a metallic cap having a plurality of apertures and at least one electrode...
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7044915 |
System and method for intraluminal imaging
A vascular catheter system comprises a catheter body having a proximal and distal portion and a single common lumen therebetween. The catheter body includes a first connector secured to the distal...
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7037269 |
Ultrasonic imagining catheters
An intravascular ultrasonic imaging catheter is provided with a flexible circuit electrically coupled to a transducer array mounted on the distal end of the catheter, a portion of the flexible...
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7037268 |
Low profile acoustic sensor arry and sensors with pleated transmission lines and related methods
A low profile acoustic array ( 10 ) is configured to selectively respond to shear waves while rejecting compression wave energy in the frequency range of interest. One sensor array is configured as...
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6996430 |
Method and system for displaying cross-sectional images of a body
This invention is a method of displaying cross-sectional images of a body so as to render the cross-sectional images more interpretable. The method is effected by using a first imaging device (...
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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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6962567 |
Ultrasound transducer assembly
An ultrasound catheter is disclosed for providing substantially real-time images of small cavities. The ultrasound catheter is characterized by separate and distinct materials for backing the...
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6949072 |
Devices for vulnerable plaque detection
An intravascular probe includes a sheath with a distal portion and a proximal portion. The intravascular probe includes a first optical waveguide extending along the sheath, the first optical...
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6947788 |
Navigable catheter
A catheter, including: a housing having a transverse inner dimension of at most about two millimeters; and a coil arrangement including five coils and five solid cores. Each of the coils is wound...
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6947787 |
System and methods for imaging within a body lumen
Systems, methods and apparatus for acquiring an image from within a body lumen are provided. Systems embodying features of the invention include an intracorporeal imaging component for acquiring...
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6926671 |
Ultrasonic imaging apparatus and method
An ultrasonic imaging apparatus and method combines dynamically focused reception and coded transmission/reception technologies by inexpensive circuitry. A receive aperture is divided into smaller...
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6926669 |
Heart wall ablation/mapping catheter and method
Steerable electrophysiology catheters for use in mapping and/or ablation of accessory pathways in myocardial tissue of the heart wall and methods of use thereof are disclosed. The catheter...
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6923768 |
Method and apparatus for acquiring and displaying a medical instrument introduced into a cavity organ of a patient to be examined or treated
In a medical treatment/examination device and method for the acquisition and presentation of a medical instrument introduced into a cavity organ of a patient to be examined or treated, particularly...
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6921371 |
Ultrasound radiating members for catheter
A method comprises providing a substantially planar slab of piezoelectric material having a top surface. The method further comprises drilling a plurality of holes through the top surface and into...
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6908434 |
Ultrasound imaging catheter isolation system with temperature sensor
An ultrasonic imaging catheter is disclosed that includes a thermistor mounted on the catheter in the vicinity of the ultrasound transducer for monitoring the temperature in the vicinity thereof....
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6863653 |
Ultrasound device for axial ranging
An apparatus for treatment of body tissue includes a treatment apparatus configured to be inserted into a patient. The treatment apparatus has a distal portion, a distal end, a proximal portion and...
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6862467 |
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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6858009 |
Ultrasonic angioscope system
An ultrasonic angioscope system which uses an imaging technique of sending ultrasonic waves to a portion ahead of a stricture of a blood vessel and visualizing a portion in the forward direction of...
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6780157 |
Method and apparatus for ultrasonic imaging
An ultrasound transducer array ( 408 ) includes at least one transducer element ( 412 ) having a first ( 604 ) and second ( 606 ) portions separated by an acoustical discontinuity ( 520 ). The...
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6779257 |
Method of making a flexible elongate member
A method of making a flexible elongate member includes the steps of providing a core wire having a proximal region and a distal region, attaching an electrical device to the distal region of the...
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6776763 |
Ultrasonic transducer array and method of manufacturing the same
In a method of manufacturing an ultrasonic transducer array a plurality of discrete transducer elements are formed on an initially flat flexible substrate together with electrically conductive...
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6773402 |
Location sensing with real-time ultrasound imaging
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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6764450 |
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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