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| Number | Title | Issue Date |
| 8162856 | Sensor catheter having reduced cross-talk wiring arrangements Improved wiring arrangements for sensor catheters are provided to reduce wire-to-wire cross-talk wherein wires connecting the sensor of the sensor catheter to a processing unit are divided into a plurality of wire bundles contained within respective sheaths, with th... | 04/24/2012 |
| 8162836 | System and method for characterizing tissue based upon split spectrum analysis of backscattered ultrasound A system and method are disclosed that facilitate characterizing vascular plaque tissue based upon spectral analysis of intravascular ultrasound echo signal segments. In particular, split spectrum analysis of an integrated backscatter parameter introduces a spectral... | 04/24/2012 |
| 8118742 | Intravascular ultrasonic catheter arrangements Apparatus for intravascular ultrasonic imaging comprises a catheter having an ultrasonic transducer array fabricated at least in part from an electrostrictive material, wherein the electrostrictive material is non-polymeric. ... | 02/21/2012 |
| 8109953 | Catheter device, hub assembly and method for traversing total occlusions A medical device for traversing an occlusion in a vessel includes a straightening sleeve positioned at a distal aspect of a catheter, a steering sleeve having an arcuate distal end, and a guidewire disposed through the steering sleeve. The steering sleeve has a firs... | 02/07/2012 |
| 8105237 | System and method for characterizing tissue based upon homomorphic deconvolution of backscattered ultrasound A system and method are disclosed that facilitate characterizing vascular plaque tissue based upon spectral analysis of intravascular ultrasound echo signal segments. In particular, a power spectrum analysis of an integrated backscatter parameter renders a set of ch... | 01/31/2012 |
| 8104479 | Pleated bag for interventional pullback systems The present invention provides for pleated bags used with interventional pullback systems, including imaging catheters such as IVUS catheters, as well as for use with other catheters. An exemplary pleated bag of the present invention may be an elongate, sterile bag,... | 01/31/2012 |
| 8012145 | Medical hub having transparent observation section A medical hub for connecting a tubular member to a fluid source has a first structure for connecting to the fluid source, a second structure for connecting to the tubular member, and a transparent portion formed between the first and second structures. The transpare... | 09/06/2011 |
| 8007489 | Method and apparatus for curving a catheter An apparatus and method for curving a catheter after deployment include a catheter having a primary lumen, a secondary lumen, and a resilient fiber contained within the secondary lumen. The resilient fiber and the secondary lumen have corresponding, preformed curve ... | 08/30/2011 |
| 7988633 | Apparatus and method for use of RFID catheter intelligence A method and system is provided for using backscattered data and known parameters to characterize vascular tissue. Specifically, methods and devices for identifying information about the imaging element used to gather the backscattered data are provided in order to ... | 08/02/2011 |
| 7967762 | Ultra miniature pressure sensor A method of measuring blood pressure and velocity proximally and distally of a stenosis in a vessel carrying blood includes the steps of providing a guide wire having both a pressure sensor and a velocity sensor disposed on a distal region of the guide wire, introdu... | 06/28/2011 |
| 7930014 | Vascular image co-registration A system and method for providing a vascular image are disclosed wherein a single composite display simultaneously provides a first view of a patient including an angiogram image and a second view including an intravascular image rendered from information provided b... | 04/19/2011 |
| 7914458 | Capacitive microfabricated ultrasound transducer-based intravascular ultrasound probes An ultrasound catheter is described herein for insertion into a cavity such as a blood vessel to facilitate imaging within a vasculature. The catheter comprises an elongate flexible shaft, a capacitive microfabricated ultrasonic transducer, and a sonic reflector. Th... | 03/29/2011 |
| 7909813 | Method and apparatus for curving a catheter An apparatus and method for curving a catheter after deployment include a catheter having a primary lumen, a secondary lumen, and a resilient fiber contained within the secondary lumen. The resilient fiber and the secondary lumen have corresponding, preformed curve ... | 03/22/2011 |
| 7846101 | 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 ultrasound transducer assembly. The flexible circuit comprises a flexible s... | 12/07/2010 |
| 7815975 | Catheter having polymer stiffener rings and method of making the same A catheter and method of making a catheter are disclosed in which the catheter is highly flexible and yet resistant to crushing and kinking. The catheter is made by applying rings of hard polymer material along the tubular shaft as the catheter is manufactured. The ... | 10/19/2010 |
| 7789834 | Plaque characterization using multiple intravascular ultrasound datasets having distinct filter bands A system and method are disclosed that facilitate generating visual representations of characterized tissue based upon ultrasound echo information obtained from a portion of an imaged body. The system includes a first filter having a first filter band that is applie... | 09/07/2010 |
| 7776380 | Method of making catheters with additives consolidated into polymer wall A method of making catheters is disclosed in which various additives are consolidated into polymer walls of the catheters. The method includes providing a core, spraying a base polymer material over the outer surface of the core, spraying an additive material over o... | 08/17/2010 |
| 7736317 | Method and apparatus for delivering therapy in and association with an intravascular ultrasound device 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 first portion (604) has the desired lengt... | 06/15/2010 |
| 7695753 | Method of making catheters with porous structure for carrying additional agents A method of making catheters is disclosed in which the wall of the catheter has a porous structure for carrying additional agents, such as therapeutic or diagnostic agents. The method includes providing a core, applying a base polymer material and an inert material ... | 04/13/2010 |
| 7676910 | Flexible elongate member having one or more electrical contacts A flexible elongate member such as a pressure guide wire (1000) includes an electrical device such as a pressure sensor (1002). The pressure sensor (1002) is electrically connected to conductive bands (304), (306) and (308) ... | 03/16/2010 |
| 7641480 | Axial multi-wire barrel connector for interconnecting a controller console to catheter including a distally mounted ultrasound transducer assembly A connector assembly is disclosed for coupling a signal wire bundle from a controller console to a hand-operated catheter assembly. The connector includes a female connector component having a cylindrical cavity, wire fingers disposed within the cylindrical cavity, ... | 01/05/2010 |
| 7627156 | Automated lesion analysis based upon automatic plaque characterization according to a classification criterion A system and method are disclosed for automatically classifying plaque lesions. A plaque classification application applies a plaque classification criterion to at least one graphical image, comprising a map of spectrally-analyzed characterized tissue of a vessel cr... | 12/01/2009 |
| RE40608 | Arrangement of IVUS system components including remote and adjacent components In an IVUS system, units are located outside or remote from the patient except for the display monitor (12), the catheter interface module (4) and the catheter (3) which are located adjacent the patient together with a control arrangement (13... | 12/16/2008 |
| 7274956 | Connector for interfacing intravascular sensors to a physiology monitor A connector for connecting a flexible elongate member having a sensor mounted thereon to a physiology monitor includes a housing, an electrical contact member disposed within the housing, the electrical contact member having a plurality of axially spaced contact mem... | 09/25/2007 |
| 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 ultrasound transducer assembly. The flexible circuit comprises a flexible s... | 06/05/2007 |
| 7097620 | Guidewire with pressure and temperature sensing capabilities A guide wire having pressure sensing capabilities for measuring the pressure of liquid in a vessel comprising a flexible elongate member and having proximal and distal extremities and having an outside diameter of 0.018″ or less. The distal extremity of said flexi... | 08/29/2006 |
| 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 circuit being helically wound about the catheter in order to enhance the ... | 05/02/2006 |
| 6976965 | Ultra miniature pressure sensor A guide wire having pressure sensing capabilities for measuring the pressure of liquid in a vessel comprising a flexible elongate member and having proximal and distal extremities and having an outside diameter of 0.018″ or less. The distal extremity of said flexi... | 12/20/2005 |
