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EP Technologies, Inc. Patents
Assignee:
EP Technologies, Inc.
Address:
Sunnyvale, CA
No. of patents:
251
Patents:


1 2 3 4 5 6










Patent Number Title Of Patent Date Issued
D351652 Steerable medical catheter handle October 18, 1994
8114073 Structures for supporting electrode elements February 14, 2012
A catheter assembly comprises a first branch body having a first axis, a second branch body extending in a non-parallel relationship with respect to the first axis, and at least one electrode carried by the second branch body. In use, the first branch body can be located within a pul
7857822 Device for installing stasis reducing means in body tissue December 28, 2010
Devices for insertion into an atrial appendage of stasis reducing components such as mesh members, chemical bonding agents or expandable anchors are disclosed.
7837684 Composite structures and methods for ablating tissue to form complex lesion patterns in the trea November 23, 2010
A method of ablating tissue in the heart to treat atrial fibrillation introduces into a selected atrium an energy emitting element. The method exposes the element to a region of the atrial wall and applies ablating energy to the element to thermally destroy tissue. The method forms a
7837681 Structures for supporting multiple electrode elements November 23, 2010
A catheter assembly comprises a first branch body having a first axis, a second branch body extending in a non-parallel relationship with respect to the first axis, and at least one electrode carried by the second branch body. In use, the first branch body can be located within a pul
7413568 Composite structures and methods for ablating tissue to form complex lesion patterns in the trea August 19, 2008
A method of ablating tissue in the heart to treat atrial fibrillation introduces into a selected atrium an energy emitting element. The method exposes the element to a region of the atrial wall and applies ablating energy to the element to thermally destroy tissue. The method forms a
7335196 Systems and methods for creating long, thin lesions in body tissue February 26, 2008
A device for creating the lesions in body tissue includes a support element having an electromagnetic energy emitting region. When caused to emit electromagnetic energy, the region creates a single continuous lesion that is long and thin, having a length that is substantially greater
7297144 Methods for electrically isolating a portion of the atria November 20, 2007
Devices for insertion into an atrial appendage of stasis reducing components such as mesh members, chemical bonding agents or expandable anchors are disclosed.
7115122 Composite structures and methods for ablating tissue to form complex lesion patterns in the trea October 3, 2006
A method of ablating tissue in the heart to treat atrial fibrillation introduces into a selected atrium an energy emitting element. The method exposes the element to a region of the atrial wall and applies ablating energy to the element to thermally destroy tissue. The method forms a
7063682 Catheter distal assembly with pull wires June 20, 2006
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 movement in the interior bore. A pull wire also runs through the interior bore of the sheath,
7052492 Surgical method and apparatus for positioning a diagnostic or therapeutic element within the bod May 30, 2006
A surgical method and apparatus for positioning a diagnostic or therapeutic element within the body. The apparatus may be catheter-based or a probe including a relatively short shaft.
7048734 Systems and methods for electronically altering the energy emitting characteristics of an electr May 23, 2006
Systems and methods employ a guide element that carries a region of energy emitting material. The systems and methods electronically couple the region to a source of energy that, when emitted by the region, ablates tissue. The systems and methods are responsive to user commands for c
7029471 Loop structures for supporting multiple electrode elements April 18, 2006
A catheter assembly comprises a sheath, which includes a side wall enclosing an interior bore, a distal region, and an opening in the sidewall. The assembly also comprises a bendable catheter tube, which is carried for sliding movement in the interior bore. The catheter tube has a di
7025766 Structures for supporting multiple electrode elements April 11, 2006
A catheter assembly comprises a first branch body having a first axis, a second branch body extending in a non-parallel relationship with respect to the first axis, and at least one electrode carried by the second branch body. In use, the first branch body can be located within a pul
6939349 Structures for deploying electrode elements September 6, 2005
An electrode support structure comprises a guide body having at its distal end a flexible spline leg. The spline leg is flexed to define an arcuate shape to facilitate intimate contact against tissue. An electrode element is carried by the spline leg for movement along its axis. The stru
6893439 Structures and methods for deploying electrode elements May 17, 2005
An electrode support structure comprises a guide body having at its distal end a flexible spline leg. The spline leg is flexed to define an arcuate shape to facilitate intimate contact against tissue. An electrode element is carried by the spline leg for movement along its axis. The stru
6830576 Apparatus for electrically isolating a portion of the atria December 14, 2004
Devices for insertion into an atrial appendage of stasis reducing components such as mesh members, chemical bonding agents or expandable anchors are disclosed.
6805131 Medical device with three dimensional collapsible basket structure October 19, 2004
An electrode support structure has a slotted hub and an integral body with a mid-section and opposed pair of spline elements that extend from the mid-section. The mid-section is captured within the slot, securing the integral body to the hub with the opposed spline elements radiating fre
6786905 Surgical method and apparatus for positioning a diagnostic or therapeutic element within the bod September 7, 2004
A surgical method and apparatus for positioning a diagnostic or therapeutic element within the body. The apparatus may be catheter-based or a probe including a relatively short shaft.
6736811 Expandable-collapsible electrode structures made of electrically conductive material May 18, 2004
Electrode assemblies and associated systems employ a nonporous wall having an exterior for contacting tissue. The exterior peripherally surrounds an interior area. The wall is essentially free of electrically conductive material. The wall is adapted to assume an expanded geometry having
6668198 Structures for supporting porous electrode elements December 23, 2003
A catheter assembly comprising a elongated, flexible support structure having an axis. The assembly also includes an elongated porous electrode assembly carried by the support structure along the axis for contact with tissue. The elongated porous electrode assembly comprises a wall havin
6658279 Ablation and imaging catheter December 2, 2003
A catheter for ablating and imaging tissue includes a porous electrode structure comprising an interior region for receiving a conductive medium, an elongate tube having a distal tube end that extends within the interior region, and an ultrasonic transducer assembly housed within the dis
6652513 Tissue heating and ablation systems and methods which predict maximum tissue temperature November 25, 2003
Systems and methods heat or ablate body tissue by positioning an electrode to transmit heat or ablation energy to a tissue region. The systems and methods measure a first temperature using a temperature sensing element associated with the electrode. The systems and methods also measure a
6625482 Graphical user interface for use with multiple electrode catheters September 23, 2003
A graphical user interface (GUI) is provided for assisting medical personnel in interpreting data collected by a multiple electrode catheter deployed within the body. The GUI generates and displays an image of the multiple electrode catheter. By manipulating appropriate controls, the
6607505 Catheter distal assembly with pull wires August 19, 2003
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 movement in the interior bore. A pull wire also runs through the interior bore of the sheath, pref
6602278 Devices for supporting diagnostic or therapeutic elements and assemblies for creating curves in August 5, 2003
Devices for supporting diagnostic or therapeutic elements and assemblies for creating curves in the distal regions thereof. The assemblies are adapted to create compound curves such that respective portions of the distal region have distinct curvatures.
6597955 Systems and methods for examining the electrical characteristic of cardiac tissue July 22, 2003
Systems and methods examine heart tissue morphology using three or more spaced apart electrodes, at least two of which are located within the heart in contact with endocardial tissue. The systems and methods transmit electrical current through a region of heart tissue lying between selec
6565511 Systems for recording use of structures deployed in association with heart tissue May 20, 2003
A system records use of a structure deployed in operative association with heart tissue in a patient. An image controller generates an image of the structure while in use in the patient. An input receives data including information identifying the patient. An output processes the image i
6544262 Structures and methods for deploying electrode elements April 8, 2003
An electrode support structure comprises a guide body having at its distal end a flexible spline leg. The spline leg is flexed to define an arcuate shape to facilitate intimate contact against tissue. An electrode element is carried by the spline leg for movement along its axis. The stru
6522913 Systems and methods for visualizing tissue during diagnostic or therapeutic procedures February 18, 2003
A catheter tube carries an imaging element for visualizing tissue. The catheter tube also carries a support structure, which extends beyond the imaging element for contacting surrounding tissue away from the imaging elements, the imaging element being movable with the support structure.
6516807 System and methods for locating and guiding operative elements within interior body regions February 11, 2003
Systems and methods for locating an operative element within an interior body space use a locating probe, which includes at least one transmitting element to transmit an electric waveform output within at least a portion of the space. The systems and methods also use a sensing element, w
6514246 Systems and methods for forming large lesions in body tissue using curvilinear electrode element February 4, 2003
Systems and associated methods form larger and deeper lesion patterns by shaping a support body with multiple electrodes in ways that increase the density of the electrodes per given tissue area. The support body can carry either elongated, continuous electrodes or arrays of non-contiguo
6500172 Systems and methods for controlling tissue ablation using multiple temperature sensing elements December 31, 2002
Systems and associated methods place a temperature sensing element in an "edge regions" between an energy transmitting electrode and a non-electrically conducting support body, where higher temperatures are likely to exist. Reliable temperature sensing, which is sensitive to variatio
6490468 Systems for recording use of structures deployed in association with heart tissue December 3, 2002
A system records use of a structure deployed in operative association with heart tissue in a patient. An image controller generates an image of the structure while in use in the patient. An input receives data including information identifying the patient. An output processes the image i
6487441 Systems and methods for acquiring and analyzing electrograms in myocardial tissue November 26, 2002
Systems and methods for acquiring and analyzing electrograms in myocardial tissue are disclosed and described. One such method includes deploying a three dimensional, radially expanded array of multiple electrodes in operative association with a region of heart tissue; acquiring a sample
6485455 Catheter steering assembly providing asymmetric left and right curve configurations November 26, 2002
A catheter has an electrode tip assembly that is bendable at the selection of the user in two different directions. The electrode tip assembly assumes different asymmetric predetermined curve configurations when bent in the two directions and is manipulated by means of steering wires
6475213 Method of ablating body tissue November 5, 2002
Electrode structures are formed from flexible, porous, or woven materials. One such structure is made by forming first and second body sections, each including a peripheral edge. The first and second body sections are joined together about their peripheral edges with a seam, thereby form
6471699 Systems and methods for forming elongated lesion patterns in body tissue using straight or curvi October 29, 2002
Systems and associated methods position arrays of multiple emitters of ablating energy in straight or curvilinear positions in contact with tissue to form elongated lesion patterns. The elongated lesion patterns can continuous or interrupted, depending upon the orientation of the ene
6460545 Medical device with three dimensional collapsible basket structure October 8, 2002
An electrode support structure has a slotted hub and an integral body with a mid-section and opposed pair of spline elements that extend from the mid-section. The mid-section is captured within the slot, securing the integral body to the hub with the opposed spline elements radiating fre
6456864 Systems and methods for guiding movable electrode elements within multiple-electrode structures September 24, 2002
Systems and related methods guide a movable electrode within an array of multiple-electrodes located within the body. The systems and methods employ the movable electrode or at least one of the multiple-electrodes on the array to generate and then sense electrical or sonic energy in a
6456863 Molded catheter distal end assembly and process for the manufacture thereof September 24, 2002
The present invention includes a catheter having a molded distal end assembly that includes at least one component molded therewithin. In a preferred embodiment, the catheter end assembly includes a plurality of electrodes and lead wires that are all molded into the walls of the asse
6454758 Loop structures for supporting multiple electrode elements September 24, 2002
A catheter assembly comprises a sheath, which includes a side wall enclosing an interior bore, a distal region, and an opening in the sidewall. The assembly also comprises a bendable catheter tube, which is carried for sliding movement in the interior bore. The catheter tube has a di
6447506 Systems and methods for creating long, thin lesions in body tissue September 10, 2002
A device for creating the lesions in body tissue includes a support element having an electromagnetic energy emitting region. When caused to emit electromagnetic energy, the region creates a single continuous lesion that is long and thin, having a length that is substantially greater tha
6428536 Expandable-collapsible electrode structures made of electrically conductive material August 6, 2002
Electrode assemblies and associated systems employ a nonporous wall having an exterior for contacting tissue. The exterior peripherally surrounds an interior area. The wall is essentially free of electrically conductive material. The wall is adapted to assume an expanded geometry having
6425895 Surgical apparatus for positioning a diagnostic or therapeutic element within the body July 30, 2002
A surgical method and apparatus for positioning a diagnostic or therapeutic element within the body. The apparatus may be catheter-based or a probe including a relatively short shaft.
6413234 Assemblies for creating compound curves in distal catheter regions July 2, 2002
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 complex curves to position and maintain ablation and/or mapping electrodes in intimate con
6402746 Branched structures for supporting multiple electrode elements June 11, 2002
A catheter assembly comprises a first branch body having a first axis, a second branch body extending in a non-parallel relationship with respect to the first axis, and at least one electrode carried by the second branch body. In use, the first branch body can be located within a pulmona
6379366 Devices for installing stasis reducing means in body tissue April 30, 2002
Devices for insertion into an atrial appendage of stasis reducing components such as mesh members, chemical bonding agents or expandable anchors are disclosed.
6379352 Large surface cardiac ablation catherter that assumes a low profile during introduction into the April 30, 2002
A cardiac ablation catheter has an energy emitting surface for thermally destroying tissue. The surface normally presents a compact, low profile for introduction into the heart. Once introduced, the energy emitting surface can be significantly enlarged. The enlarged surface emits ablatio
6370435 Systems and methods for examining the electrical characteristic of cardiac tissue April 9, 2002
Systems and methods examine heart tissue morphology using three or more spaced apart electrodes, at least two of which are located within the heart in contact with endocardial tissue. The systems and methods transmit electrical current through a region of heart tissue lying between selec
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