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7381198 |
Steerable distal support system
A steerable distal support system for accessing stenosis, partial occlusions, or complete occlusions within a body lumen. The steerable distal support system generally includes an elongate member...
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7377906 |
Steering mechanism for bi-directional catheter
The present invention provides a bi-directional catheter with nearly double the throw in its catheter tip deflection. In particular, the travel path of each the puller wire includes a U-turn or...
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7374553 |
System for bi-directionally controlling the cryo-tip of a cryoablation catheter
A bi-directional system for actively deflecting the distal tip of a catheter includes a reconfigurable tube that is positioned proximal to the catheter's distal tip. The tube is formed with slits...
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7351222 |
Drainage catheter with visual indicator and/or lock system
A catheter comprising a tube having a distal end for deployment in a patient, and a proximal end for remaining outside of the patient; an anchoring mechanism at the distal end of the tube having a...
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7344515 |
Guiding catheter with embolic protection by proximal occlusion
A guiding catheter includes an elongate shaft with a central lumen and a mechanically expandable sealing membrane mounted about the distal end of the shaft. An expansion wire is slidably disposed...
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7338466 |
Drainage catheter having an expandable retention member
A drainage catheter is adapted to drain fluid from the body cavity through a body conduit and includes an elongate tube and a retention member disposed at the distal end of the elongate tube. The...
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7331958 |
Handle design for a medical catheter
A handle for use with a catheter, the handle including a housing, a cable, and a guide. The housing has a proximal end, a distal end, and a longitudinal axis that extends from the proximal end of...
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7300438 |
Electrophysiology catheter for mapping and/or ablation
Catheters for mapping and/or ablation are disclosed. In one embodiment, the catheter comprises a handle, a flexible shaft, a tip assembly, and a cable. The handle includes an actuator and is...
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7285108 |
Active system for deflecting a distal portion of a catheter into a hoop configuration
An active system for deflecting a distal portion of a catheter into a hoop configuration includes an elongated catheter body having a proximal portion and a distal portion that is formed with a...
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7274957 |
Multifunctional catheter handle
The invention is directed to a multifunctional catheter handle. The handle comprises a handle body and a core mounted within the handle body. A piston is provided having a distal end mounted in the...
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7273468 |
Steerable fiberoptic epidural balloon catheter and scope
Devices for and methods of treating afflictions occurring in a body cavity, such as the epidural space. The methods and devices provide for fluoroscopic assisted placement of a fiber optic...
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7232422 |
Steerable catheter
A catheter includes a pull wire which extends through two different lumen and attaches to the distal end of the catheter at an off-axis location. By tensioning the pull wire, the catheter can...
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7211082 |
Magnetically navigable telescoping catheter and method of navigating telescoping catheter
A magnetically navigable catheter includes a sheath having a proximal end and a distal end, and an extension member having a proximal end and a distal end, slidably mounted in the sheath so that...
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7182764 |
Steerable loop structures for supporting diagnostic and therapeutic elements in contact with body tissue
A probe that includes a elongate body and a steerable loop structure that supports electrodes or other operative elements against the body tissue.
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7144378 |
Quick-release torquer apparatus for delivering and maintaining a medical guideware
The present invention provides a torquer for maneuvering a medical guidewire during endovascular surgical procedures or the like, which can be easily positioned and re-positioned along the length...
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7122034 |
Curved ablation catheter
A curved ablation catheter imparts ablative energy to target tissue, for example, along a trabecular slope, e.g., in the right atrium along the isthmus between the ostium of the inferior vena cava...
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7122020 |
Linkage steering mechanism for deflectable catheters
A dual 4-bar linkage steering mechanism consists of four strip/rod-like prismatic or disk/sphere-like revolute side links, called, side link 1 A, side link 1 B, side link 2 A and side link 2 B;...
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7101368 |
Cryo balloon for atrial ablation
The present invention pertains generally to the field of cryo balloon therapy and the use of cryo balloon therapy catheters to generate cold-induced lesions. The present invention includes a cryo...
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7087038 |
Locking system for catheter
A catheter of the present invention includes a tubular member and a lockable connector having a hub and a locking device. The locking device includes a semi-oval button; a rectangular main...
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7083595 |
Medical catheter assembly and method of using the same
A medical catheter assembly and method of using the same. In one embodiment, the assembly comprises a gastrostomy feeding tube having a proximal end, a distal end and a longitudinal bore, the...
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7063682 |
Catheter distal assembly with pull wires
A catheter assembly having a sheath, which includes a side wall enclosing an interior bore, and a distal region. The assembly also has a bendable catheter tube, which is carried for sliding...
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7056306 |
Fluid sampling device with retractable needle
A method for withdrawing a fluid sample from a patient is disclosed comprising the steps of: a) providing a sampling device ( 10 ) having a housing ( 20 ) and a needle ( 40 ) having a sharpened tip...
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7048711 |
Drug delivery catheter and steering guide catheter combination
A system and method for delivering a drug to a target site within a patient's body. The system and method include a steerable guide catheter and a drug delivery catheter. The steerable guide...
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7041090 |
Method and apparatus for self-draining of urine
A device for the drainage of the bladder through the body's own urethra opening outside of the human body, comprising a tube-shaped body ( 10 ). The 5 tube-shaped body is comprised: to assume a...
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7033345 |
Deflectable microimplant delivery system
The present invention provides a deflectable catheter-based system for assisting in the delivery of therapeutic agents, cellular materials and the like to one or more sites in a target body tissue....
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7025759 |
Steerable catheter
A steerable catheter includes a housing, an elongated tube, a steering member and a retention mechanism. The elongated tube extends from the housing. The steering member is movably attached to the...
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7022102 |
Catheter with up-going and down-going configurations
A transformable catheter includes a sheath having a length which is a substantial fraction of the entire length of the transformable catheter and a bore therethrough. A preformed inner catheter...
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7008401 |
Assemblies for creating compound curves in distal catheter regions
Compound steering assemblies, usable in both diagnostic and therapeutic applications, enable a physician to swiftly and accurately steer the distal section of the catheter in multiple planes or...
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7004937 |
Wire reinforced articulation segment
A device for steering a cardiac cryoablation catheter through the vasculature of a patient includes separate first and second deflection members that connect a tip member to the distal end of a...
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6991616 |
Steerable device for introducing diagnostic and therapeutic apparatus into the body
An apparatus including an elongate body having a lumen extending therethrough and a steering wire, having a distal portion defining a non-circular cross-section, associated with the distal portion...
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6979319 |
Telescoping guide catheter with peel-away outer sheath
A guide catheter employs a retractable inner guide movably disposed within an open lumen of a splittable outer guide. The outer guide includes a longitudinal pre-stress line extending from distal...
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6976987 |
Dual-profile steerable catheter
A catheter includes a steering mechanism for manipulating the distal end of the catheter to obtain a plurality of deflection profiles. The steering mechanism comprises two steering tendons. The...
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6976979 |
Malleable cannula
A malleable cannula has a body with a proximal end and a distal end, the body having a wall defining a lumen extending from the proximal end to the distal end. A reinforcement member extends along...
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6951554 |
Deflecting catheter
A catheter includes a distal end, a proximal end, an outer tube extending from the distal end to the proximal end, and an inner tube extending through the outer tube. The distal end including a...
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6926711 |
Articulating catheter for cryoablation with reduced diameter section
A catheter usable for cryogenic ablation of tissues is described. The catheter has a deflectable segment with a reduced diameter and a tip portion with a diameter greater than the reduced diameter....
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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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6911016 |
Guidewire extension system
Devices and methods for coupling guidewire system components are disclosed. A guidewire system includes a first wire having a first end and a second wire having a second end which may be...
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6905476 |
Catheter with injection needle
An injection catheter is provided. The catheter comprises a catheter body comprising a flexible tubing having proximal and distal ends and at least one lumen therethrough. The catheter further...
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6902555 |
Shapeable catheter
A transformable catheter includes a sheath having a length which is a substantial fraction of the entire length of the transformable catheter and a bore therethrough. A preformed inner catheter...
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6869414 |
Pre-shaped catheter with proximal articulation and pre-formed distal end
A catheter employs a pre-formed distal end and a proximal deflection mechanism for steering the catheter. A shaped member extends from a shaped region of the catheter sheath to at least a portion...
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6852105 |
Method and apparatus for insertion of self-draining urine apparatus into bladder
A device for the drainage of the bladder through the body's own urethra opening outside of the human body, comprising a tube-shaped body ( 10 ). The tube-shaped body is comprised: to assume a first...
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6837867 |
Steerable catheter with reinforced tip
A steerable catheter having a reinforced distal end for improved deflection is provided. The catheter comprises an elongated, flexible tubular catheter body having proximal and distal ends and a...
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6824543 |
Guidance system for a cryocatheter
A system for guiding a cryocatheter through the vasculature of a patient includes a guidewire positioned in the vasculature across a predetermined site. A connector is attached to the distal end of...
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6817999 |
Flexible device for ablation of biological tissue
An ablation system incorporating an enhanced deflectable distal portion, is provided. The system includes an elongated tubular member having a deflectable distal portion adapted to assume a...
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6811544 |
Catheter positioning system
The present invention is a system adapted to position an ablation catheter at a location where a pulmonary vein extends from an atrium. The system includes a deflectable guidewire and a sheath. The...
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6746446 |
Electrophysiological device for the isthmus
An intravascular electrophysiology (EP) device for the mapping and/or formation of lesions along the isthmus region of a heart that has particular utility in the treatment of atrial flutter. The EP...
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6740104 |
Enhanced catheter with alignment means
A balloon dilatation system is comprised of an elongated flexible advancement member which terminates in a tubular tracking member slidable over a guidewire. An inflatable balloon has proximal and...
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6730058 |
Adjustable profile steerable catheter
A catheter includes a steering system for manipulating the distal-end region of a sheath having a plurality of electrodes into direct contact with difficult-to-reach areas of the human body. The...
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6702780 |
Steering configuration for catheter with rigid distal device
A steering configuration for facilitating steering of a catheter or the like provided with a rigid distal device employs a flexible support element to which a rigid device is attached at its distal...
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6666858 |
Cryo balloon for atrial ablation
The present invention pertains generally to the field of cryo balloon therapy and the use of cryo balloon therapy catheters to generate cold-induced lesions. The present invention includes a cryo...
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