Patents Assigned to Daig Corporation
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Patent number: 5814027Abstract: A process for the mapping and/or ablation of locations within the right ventricle associated with the right ventricular outflow tract for the treatment of ventricular tachycardia by use of ablation and/or mapping catheters guided by guiding introducers. Also disclosed are shapes for the guiding introducer to be used for the ablation and/or mapping of areas within the right ventricle associated with the right ventricular outflow tract for the treatment of ventricular tachycardia.Type: GrantFiled: August 13, 1996Date of Patent: September 29, 1998Assignee: Daig CorporationInventors: James A. Hassett, John D. Ockuly
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Patent number: 5814029Abstract: A guiding introducer system for use in the treatment of arrhythmia associated with the left ventricle from the ventricular side comprising an inner guiding introducer and an outer guiding introducer wherein the inner guiding introducer is comprised of a first and second section and the outer guiding introducer is comprised of a first and second sections. The guiding introducer system is for use in sensing, pacing, and ablating procedures in the left ventricle.Type: GrantFiled: June 10, 1996Date of Patent: September 29, 1998Assignee: Daig CorporationInventor: James A. Hassett
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Patent number: 5814028Abstract: Disclosed are shapes for guiding introducers to be used for the ablation and/or mapping of the discrete tracks within the left and right atrium.Type: GrantFiled: October 23, 1996Date of Patent: September 29, 1998Assignee: Daig CorporationInventors: John F. Swartz, John Ockuly
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Patent number: 5810746Abstract: A guiding introducer for use with an endomyocardial biopsy forceps is disclosed. The guiding introducer is precurved to assist in the support and placement of biopsy forceps or a bioptome in the correct location within the heart for biopsy procedures, preferably the right ventricle.Type: GrantFiled: November 21, 1996Date of Patent: September 22, 1998Assignee: Daig CorporationInventors: James A. Goldstein, John J. Fleischhacker
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Patent number: 5785706Abstract: A process for the treatment of cardiac arrhythmia by use of ablation and/or mapping procedures comprising ablating discrete ablation tracks within the heart by use of a guiding introducer containing openings with an ablation catheter. Also disclosed is the shape and structure of the guiding introducer containing openings to be used for the ablation procedure.Type: GrantFiled: November 18, 1996Date of Patent: July 28, 1998Assignee: Daig CorporationInventor: Michael C. Bednarek
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Patent number: 5725512Abstract: A guiding introducer system for use in the left atrium comprised of an inner guiding introducer and an outer guiding introducer wherein the inner guiding introducer is comprised of a first and second section and the outer guiding introducer is comprised of a first and second sections. The guiding introducer system is for use in sensing, pacing, and ablating procedures within the left atrium of the human heart.Type: GrantFiled: February 8, 1996Date of Patent: March 10, 1998Assignee: Daig CorporationInventors: John F. Swartz, John D. Ockuly, John J. Fleischhacker, James A. Hassett
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Patent number: 5722963Abstract: A catheter for insertion in the ostium of the coronary sinus in the right atrium comprised of a main reinforced portion, an intermediate zone portion and a soft tip portion wherein a portion of the catheter is curved in a double curve, wherein the first curve is a first longitudinal curve, wherein the second curve is a second longitudinal curve, wherein the second longitudinal curve is curved in approximately the same direction as the first longitudinal curve and wherein the first and second longitudinal curves are generally coplanar.Type: GrantFiled: April 1, 1996Date of Patent: March 3, 1998Assignee: Daig CorporationInventors: Keith G. Lurie, David G. Benditt, Jeffrey J. Shultz, John David Ockuly, John J. Fleischhacker
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Patent number: 5722400Abstract: A process for the treatment of ventricular tachycardia in the left ventricle using a retrograde approach by use of ablation and/or mapping catheters guided by precurved guiding introducers. Also disclosed are predetermined shapes for the guiding introducers to be used for the treatment of ventricular tachycardia in the left ventricle using a retrograde approach.Type: GrantFiled: February 16, 1995Date of Patent: March 3, 1998Assignee: Daig CorporationInventors: John D. Ockuly, James A. Hassett
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Patent number: 5715818Abstract: A guiding introducer for use in the left atrium comprised of a first, second and third section wherein the first section is a generally elongated straight section wherein merged with the distal end of the first section is a second section which is curved in a compound curve, first curving upward in a first longitudinal curve and simultaneously curving to the right in a second longitudinal curve, wherein the second section merges with the third section wherein said third section is a third longitudinal curve wherein the plane of the third section is angled upward at an angle of approximately 25 to about 60 degrees from the plane of the first section and wherein substantially all of the third section is coplanar.Type: GrantFiled: October 31, 1995Date of Patent: February 10, 1998Assignee: Daig CorporationInventors: John Frederick Swartz, John D. Ockuly, John J. Fleischhacker, James A. Hassett
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Patent number: 5690611Abstract: A process for the treatment of atrial arrhythmia by use of ablation and/or mapping procedures comprising ablating discrete ablation tracks within the left and right atrium of the heart by use of precurved left and right atrium guiding introducers, including preferably a guiding introducer system for use in the left atrium comprising an inner and an outer guiding introducer. Also disclosed are shapes for the guiding introducers and the guiding introducer system to be used for the ablation and/or mapping of the discrete tracks within the left and right atrium.Type: GrantFiled: November 14, 1994Date of Patent: November 25, 1997Assignee: Daig CorporationInventors: John F. Swartz, John D. Ockuly
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Patent number: 5676662Abstract: A catheter for mapping and ablating cardiac tissue comprising an elongated catheter body with proximal and distal ends and an electrode comprising an electrode conductor and a helical electrode comprising a series of turns which is secured to the catheter body near its distal end, wherein at least a portion of the circumference of the turns of the helical electrode portion is uncoated. Also disclosed is a process for ablating human tissue wherein a helical electrode secured to a catheter body near its distal end is utilized for an ablating procedure.Type: GrantFiled: March 17, 1995Date of Patent: October 14, 1997Assignee: Daig CorporationInventors: John J. Fleischhacker, John F. Swartz
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Patent number: 5656028Abstract: A process for the treatment of ectopic atrial tachycardia by use of ablation and/or mapping procedures comprising ablating discrete locations within the right atrium of the heart by use of an ablation catheter and a precurved guiding introducer. Also disclosed is a shape for the guiding introducer to be used for the ablation and/or mapping of the discrete locations within the right atrium for the treatment of ectopic atrial tachycardia.Type: GrantFiled: May 2, 1995Date of Patent: August 12, 1997Assignee: Daig CorporationInventors: John F. Swartz, John D. Ockuly, James A. Hassett
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Patent number: 5643231Abstract: A catheter for insertion in the ostium of the coronary sinus in the right atrium comprised of a main reinforced portion, an intermediate zone portion and a soft tip portion, wherein a portion of the catheter is curved in a compound curve formed by a first and second curve, wherein the second curve may be curved in the same direction as the first curve or out of a plane formed by the first curve.Type: GrantFiled: June 1, 1995Date of Patent: July 1, 1997Assignee: Daig CorporationInventors: Keith G. Lurie, David G. Benditt, Jeffrey J. Shultz, John David Ockuly, John J. Fleischhacker
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Patent number: 5640955Abstract: A process for the mapping and/or ablation of accessory pathways around the mitral valve using a retrograde approach by use of ablation and/or mapping catheters guided by precurved guiding introducers. Also disclosed are shapes for the guiding introducers to be used for the ablation and/or mapping of the accessory pathways around the mitral valve using a retrograde approach.Type: GrantFiled: February 14, 1995Date of Patent: June 24, 1997Assignee: Daig CorporationInventors: John D. Ockuly, James A. Hassett
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Patent number: 5575766Abstract: A process for the treatment of atrial arrhythmia by use of ablation and/or mapping procedures comprising ablating discrete ablation tracks within the left and right atrium of the heart by use of precurved left and right atrium guiding introducers. Also disclosed are shapes for the guiding introducers to be used for the ablation and/or mapping of the discrete tracks within the left and right atrium.Type: GrantFiled: July 8, 1994Date of Patent: November 19, 1996Assignee: Daig CorporationInventors: John F. Swartz, John Ockuly
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Patent number: 5564440Abstract: A guiding introducer system for use in the left atrium comprised of an inner guiding introducer and an outer guiding introducer wherein the inner guiding introducer is comprised of a first and second section and the outer guiding introducer is comprised of a first and second sections. The guiding introducer system is for use in sensing, pacing, and ablating procedures within the left atrium of the human heart.Type: GrantFiled: November 3, 1994Date of Patent: October 15, 1996Assignee: Daig CorporationInventors: John F. Swartz, John D. Ockuly, John J. Fleischhacker, James A. Hassett
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Patent number: 5549581Abstract: A catheter for insertion in the ostium of the coronary sinus in the right atrium comprised of a main reinforced portion, an intermediate zone portion and a soft tip portion wherein a portion of the catheter is curved in a double curve, wherein the first curve is a first longitudinal curve, wherein the second curve is a second longitudinal curve, wherein the second longitudinal curve is curved in approximately the same direction as the first longitudinal curve and wherein the first and second longitudinal curves are generally coplanar.Type: GrantFiled: January 12, 1995Date of Patent: August 27, 1996Assignee: Daig CorporationInventors: Keith G. Lurie, David G. Benditt, Jeffrey J. Shultz, John D. Ockuly, John J. Fleischhacker
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Patent number: 5497774Abstract: A guiding introducer for in the left atrium comprised of a first, second and third section wherein the first section is a generally elongated straight section wherein merged with the distal end of the first section is a second section which is curved in a compound curve, first curving upward in a first longitudinal curve and simultaneously curving to the right in a second longitudinal curve, wherein the second section merges with the third section wherein said third section is a third longitudinal curve wherein the plane of the third section is angled upward at an angle of approximately 25 to about 60 degrees from the plane of the first section and wherein substantially all of the third section is coplanar.Type: GrantFiled: November 3, 1993Date of Patent: March 12, 1996Assignee: Daig CorporationInventors: John F. Swartz, John D. Ockuly, John J. Fleischhacker, James A. Hassett
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Patent number: 5427119Abstract: A guiding introducer for use in the right atrium comprised of a first, second and third section wherein the first section is a generally elongated straight section wherein merged with the distal end of the first section is a second section which is curved upward in a longitudinal curve wherein the distal end of the second section is merged with the third section. The guiding introducer is for use in sensing, pacing and ablating procedures in the right atrium of the human heart.Type: GrantFiled: November 3, 1993Date of Patent: June 27, 1995Assignee: Daig CorporationInventors: John F. Swartz, John D. Ockuly, John J. Fleischhacker, James A. Hassett
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Patent number: 5423772Abstract: A catheter for insertion in the ostium of the coronary sinus in the right atrium comprised of a main reinforced portion, an intermediate zone portion and a soft tip portion wherein a portion of the catheter is curved in a double curve, wherein the first curve is a first longitudinal curve, wherein the second curve is a second longitudinal curve, wherein the second longitudinal curve is curved in approximately the same direction as the first longitudinal curve and wherein the first and second longitudinal curves are generally coplanar.Type: GrantFiled: August 13, 1993Date of Patent: June 13, 1995Assignee: Daig CorporationInventors: Keith G. Lurie, David G. Benditt, Jeffrey J. Shultz, John D. Ockuly, John J. Fleischhacker