Patents by Inventor Mark P. Parker
Mark P. Parker has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8679110Abstract: A catheter includes a plurality of primary leads to deliver energy for ligating a hollow anatomical structure. Each of the primary leads includes an electrode located at the working end of the catheter. Separation is maintained between the primary leads such that each primary lead can individually receive power of selected polarity. The primary leads are constructed to expand outwardly to place the electrodes into apposition with an anatomical structure. High frequency energy can be applied from the leads to create a heating effect in the surrounding tissue of the anatomical structure. The diameter of the hollow anatomical structure is reduced by the heating effect, and the electrodes of the primary leads are moved closer to one another. Where the hollow anatomical structure is a vein, energy is applied until the diameter of the vein is reduced to the point where the vein is occluded. In one embodiment, a secondary lead is surrounded by the primary leads, and extends beyond the primary leads.Type: GrantFiled: July 28, 2008Date of Patent: March 25, 2014Assignee: Covidien LPInventors: Arthur W. Zikorus, Mark P. Parker, Christopher S. Jones, Douglas M. Petty, Brian E. Farley, Joseph M. Tartaglia
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Patent number: 8267931Abstract: A catheter includes a plurality of expandable primary leads to deliver energy to a fallopian tube, a vein such as a hemorrhoid or an esophageal varix, or another hollow anatomical structure requiring ligation or occlusion. Each of the primary leads includes an electrode located at the working end of the catheter. Separation is maintained between the primary leads such that the leads can receive power of selected polarity. The primary leads are constructed to expand outwardly to place the electrodes into apposition with a hollow anatomical structure. High frequency energy can be applied from the leads to create a heating effect in the surrounding tissue of the anatomical structure. The diameter of the hollow anatomical structure is reduced by the heating effect, and the electrodes of the primary leads are moved closer to one another.Type: GrantFiled: October 24, 2008Date of Patent: September 18, 2012Assignee: Tyco Healthcare Group LPInventors: Brian E. Farley, Christopher S. Jones, Mark P. Parker, Joseph M. Tartaglia, Arthur W. Zikorus
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Patent number: 7976536Abstract: A catheter introduces electrodes in a vein for a minimally invasive treatment of venous insufficiency by the application of energy to cause selective heating of the vein. The catheter is positioned within the vein to be treated, and the electrodes on the catheter are moved toward one side of the vein. RF energy is applied in a directional manner from the electrodes at the working end of the catheter to cause localized heating and corresponding shrinkage of the adjacent venous tissue, which may include commissures, leaflets and ostia. Fluoroscopy or ultrasound may be used to detect shrinkage of the vein. After treating one section of the vein, the catheter can be repositioned to place the electrodes to treat different sections of the vein until all desired venous valves are repaired and rendered functionally competent.Type: GrantFiled: November 16, 2005Date of Patent: July 12, 2011Assignee: Tyco Healthcare Group LPInventors: Brian E. Farley, Michael D. Laufer, Dawn A. Henderson, Douglas M. Petty, Mark P. Parker
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Patent number: 7967782Abstract: A catheter delivers an electrode within a vein for a minimally invasive treatment of varicose veins and venous insufficiency using RF energy. The catheter is introduced into a patient and positioned within the section of the vein to be treated. The electrode radiates high frequency energy towards the vein, and the surrounding venous tissue becomes heated and begins to shrink. The catheter includes a controllable member for limiting the amount of shrinkage of the vein to the diameter of the member. The electrode remains active until there has been sufficient shrinkage of the vein. The extent of shrinkage of the vein may be detected by fluoroscopy. After treating one section of the vein, the catheter and the electrode can be repositioned intraluminally within the vein to treat different sections of the vein until all desired venous sections and valves are repaired and rendered functionally competent.Type: GrantFiled: December 28, 2009Date of Patent: June 28, 2011Assignee: Tyco Healthcare Group LPInventors: Michael D. Laufer, Brian E. Farley, Grace Y. Schulz, Arthur W. Zikorus, Mark P. Parker
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Patent number: 7901402Abstract: A catheter includes a first plurality of expandable leads and a second plurality of expandable leads separate and longitudinally spaced-apart from the first plurality to deliver energy to a hollow anatomical structure, such as vein, fallopian tube, hemorrhoid, esophageal varix, to effectively ligate that structure. Each of the leads includes an electrode located at the distal end of the respective electrode lead. Polarizations of the leads may be selected to achieve the power distribution desired. Each electrode lead includes an outward bend such that when a movable sheath is moved out of contact with the leads, they expand outwardly into apposition with an inner wall of the structure to be ligated. High frequency energy can be applied from the leads to create a heating effect in the surrounding tissue of the anatomical structure.Type: GrantFiled: May 23, 2008Date of Patent: March 8, 2011Assignee: Tyco Healthcare Group, LPInventors: Christopher S Jones, Arthur W Zikorus, Mark P Parker, Brian E. Farley, Joseph M Tartaglia
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Publication number: 20100106156Abstract: A catheter delivers an electrode within a vein for a minimally invasive treatment of varicose veins and venous insufficiency using RF energy. The catheter is introduced into a patient and positioned within the section of the vein to be treated. The electrode radiates high frequency energy towards the vein, and the surrounding venous tissue becomes heated and begins to shrink. The catheter includes a controllable member for limiting the amount of shrinkage of the vein to the diameter of the member. The electrode remains active until there has been sufficient shrinkage of the vein. The extent of shrinkage of the vein may be detected by fluoroscopy. After treating one section of the vein, the catheter and the electrode can be repositioned intraluminally within the vein to treat different sections of the vein until all desired venous sections and valves are repaired and rendered functionally competent.Type: ApplicationFiled: December 28, 2009Publication date: April 29, 2010Applicant: Tyco Healthcare Group, LPInventors: Michael D. Laufer, Brian E. Farley, Grace Y. Schulz, Arthur W. Zikorus, Mark P. Parker
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Patent number: 7641633Abstract: A catheter delivers an electrode within a vein for a minimally invasive treatment of varicose veins and venous insufficiency using RF energy. The catheter is introduced into a patient and positioned within the section of the vein to be treated. The electrode radiates high frequency energy towards the vein, and the surrounding venous tissue becomes heated and begins to shrink. The catheter includes a controllable member for limiting the amount of shrinkage of the vein to the diameter of the member. The electrode remains active until there has been sufficient shrinkage of the vein. The extent of shrinkage of the vein may be detected by fluoroscopy. After treating one section of the vein, the catheter and the electrode can be repositioned intraluminally within the vein to treat different sections of the vein until all desired venous sections and valves are repaired and rendered functionally competent.Type: GrantFiled: March 25, 2003Date of Patent: January 5, 2010Assignee: Tyco Healthcare Group, LPInventors: Michael D. Laufer, Brian E. Farley, Grace Y. Schulz, Arthur W. Zikorus, Mark P. Parker
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Publication number: 20090137998Abstract: A catheter includes a plurality of primary leads to deliver energy for ligating a hollow anatomical structure. Each of the primary leads includes an electrode located at the working end of the catheter. Separation is maintained between the primary leads such that each primary lead can individually receive power of selected polarity. The primary leads are constructed to expand outwardly to place the electrodes into apposition with an anatomical structure. High frequency energy can be applied from the leads to create a heating effect in the surrounding tissue of the anatomical structure. The diameter of the hollow anatomical structure is reduced by the heating effect, and the electrodes of the primary leads are moved closer to one another. Where the hollow anatomical structure is a vein, energy is applied until the diameter of the vein is reduced to the point where the vein is occluded. In one embodiment, a secondary lead is surrounded by the primary leads, and extends beyond the primary leads.Type: ApplicationFiled: July 28, 2008Publication date: May 28, 2009Inventors: Arthur W. Zikorus, Mark P. Parker, Christopher S. Jones, Douglas M. Petty, Brian E. Farley, Joseph M. Tartaglia
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Publication number: 20090125009Abstract: One embodiment comprises an apparatus for applying energy to a hollow anatomical structure having an inner wall. The apparatus comprises an elongate shaft having a distal end and a proximal end opposite the distal end; and a capacitive treatment element located near the distal end. The capacitive treatment element is sized for insertion into the hollow anatomical structure and placement near the inner wall. The capacitive treatment element is configured to create an electric field that extends at least partially into the inner wall. Other devices and methods for treatment of hollow anatomical structures are disclosed as well.Type: ApplicationFiled: November 3, 2008Publication date: May 14, 2009Inventors: Arthur W. Zikorus, Russell B. Thompson, Fiona M. Sander, Mark P. Parker
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Publication number: 20090054884Abstract: A catheter includes a plurality of expandable primary leads to deliver energy to a fallopian tube, a vein such as a hemorrhoid or an esophageal varix, or another hollow anatomical structure requiring ligation or occlusion. Each of the primary leads includes an electrode located at the working end of the catheter. Separation is maintained between the primary leads such that the leads can receive power of selected polarity. The primary leads are constructed to expand outwardly to place the electrodes into apposition with a hollow anatomical structure. High frequency energy can be applied from the leads to create a heating effect in the surrounding tissue of the anatomical structure. The diameter of the hollow anatomical structure is reduced by the heating effect, and the electrodes of the primary leads are moved closer to one another.Type: ApplicationFiled: October 24, 2008Publication date: February 26, 2009Inventors: Brian E. Farley, Christopher S. Jones, Mark P. Parker, Joseph M. Tartaglia, Arthur W. Zikorus
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Publication number: 20090005775Abstract: A catheter includes a first plurality of expandable leads and a second plurality of expandable leads separate and longitudinally spaced-apart from the first plurality to deliver energy to a hollow anatomical structure, such as vein, fallopian tube, hemorrhoid, esophageal varix, to effectively ligate that structure. Each of the leads includes an electrode located at the distal end of the respective electrode lead. Polarizations of the leads may be selected to achieve the power distribution desired. Each electrode lead includes an outward bend such that when a movable sheath is moved out of contact with the leads, they expand outwardly into apposition with an inner wall of the structure to be ligated. High frequency energy can be applied from the leads to create a heating effect in the surrounding tissue of the anatomical structure.Type: ApplicationFiled: May 23, 2008Publication date: January 1, 2009Applicant: VNUS Medical Technologies, Inc.Inventors: Christopher S. Jones, Arthur W. Zikorus, Mark P. Parker, Brian E. Farley, Joseph M. Tartaglia
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Patent number: 7406970Abstract: A catheter includes a plurality of primary leads to deliver energy for ligating a hollow anatomical structure. Each of the primary leads includes an electrode located at the working end of the catheter. Separation is maintained between the primary leads such that each primary lead can individually receive power of selected polarity. The primary leads are constructed to expand outwardly to place the electrodes into apposition with an anatomical structure. High frequency energy can be applied from the leads to create a heating effect in the surrounding tissue of the anatomical structure. The diameter of the hollow anatomical structure is reduced by the heating effect, and the electrodes of the primary leads are moved closer to one another. Where the hollow anatomical structure is a vein, energy is applied until the diameter of the vein is reduced to the point where the vein is occluded. In one embodiment, a secondary lead is surrounded by the primary leads, and extends beyond the primary leads.Type: GrantFiled: July 28, 2004Date of Patent: August 5, 2008Assignee: VNUS Medical Technologies, Inc.Inventors: Arthur W. Zikorus, Mark P. Parker, Christopher S. Jones, Douglas M. Petty, Brian E. Farley, Joseph M. Tartaglia
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Patent number: 7163546Abstract: Apparatuses and methods for removing veins, usually varicose veins, rely on endoluminal capture of a distal end of the vein segment to be removed. In the illustrated embodiments, a shaft having reciprocatable penetrating elements is used to engage and capture the distal end of the vein. After rotating the shaft to pull the distal segment of the vein away from the connecting tissue, the shaft is withdrawn proximally, invaginating the segment back to the point of insertion.Type: GrantFiled: December 3, 2002Date of Patent: January 16, 2007Inventors: Michael S. Mirizzi, Mark P. Parker, Radit Tantisira, John Rodriguez
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Patent number: 7041098Abstract: A catheter includes a plurality of primary leads to deliver energy for ligating a hollow anatomical structure. Each of the primary leads includes an electrode located at the working end of the catheter. Separation is maintained between the primary leads such that each primary lead can individually receive power of selected polarity. The primary leads are constructed to expand outwardly to place the electrodes into apposition with a hollow anatomical structure. High frequency energy can be applied from the leads to create a heating effect in the surrounding tissue of the anatomical structure. The diameter of the hollow anatomical structure is reduced by the heating effect, and the electrodes of the primary leads are moved closer to one another. Where the hollow anatomical structure is a vein, energy is applied until the diameter of the vein is reduced to the point where the vein is occluded. In one embodiment, a balloon is inflated to occlude the structure before the application of energy.Type: GrantFiled: June 3, 2002Date of Patent: May 9, 2006Assignee: VNUS Medical Technologies, Inc.Inventors: Brian E. Farley, Dawn A. Henderson, Christopher S. Jones, Mark P. Parker, Joseph M. Tartaglia
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Patent number: 6981972Abstract: A catheter introduces electrodes in a vein for a minimally invasive treatment of venous insufficiency by the application of energy to cause selective heating of the vein. The catheter is positioned within the vein to be treated, and the electrodes on the catheter are moved toward one side of the vein. RF energy is applied in a directional manner from the electrodes at the working end of the catheter to cause localized heating and corresponding shrinkage of the adjacent venous tissue, which may include commissures, leaflets and ostia. Fluoroscopy or ultrasound may be used to detect shrinkage of the vein. After treating one section of the vein, the catheter can be repositioned to place the electrodes to treat different sections of the vein until all desired venous valves are repaired and rendered functionally competent.Type: GrantFiled: January 18, 2000Date of Patent: January 3, 2006Assignee: VNUS Medical Technologies, Inc.Inventors: Brian E. Farley, Michael D. Laufer, Dawn A. Henderson, Douglas M. Petty, Mark P. Parker
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Publication number: 20040267258Abstract: A catheter includes a plurality of primary leads to deliver energy for ligating a hollow anatomical structure. Each of the primary leads includes an electrode located at the working end of the catheter. Separation is maintained between the primary leads such that each primary lead can individually receive power of selected polarity. The primary leads are constructed to expand outwardly to place the electrodes into apposition with an anatomical structure. High frequency energy can be applied from the leads to create a heating effect in the surrounding tissue of the anatomical structure. The diameter of the hollow anatomical structure is reduced by the heating effect, and the electrodes of the primary leads are moved closer to one another. Where the hollow anatomical structure is a vein, energy is applied until the diameter of the vein is reduced to the point where the vein is occluded. In one embodiment, a secondary lead is surrounded by the primary leads, and extends beyond the primary leads.Type: ApplicationFiled: July 28, 2004Publication date: December 30, 2004Applicant: VNUS Medical Technologies, Inc.Inventors: Arthur W. Zikorus, Mark P. Parker, Christopher S. Jones, Douglas M. Petty, Brian E. Farley, Joseph M. Tartaglia
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Publication number: 20040254621Abstract: A catheter includes a first plurality of expandable leads and a second plurality of expandable leads separate and longitudinally spaced-apart from the first plurality to deliver energy to a hollow anatomical structure, such as vein, fallopian tube, hemorrhoid, esophageal varix, to effectively ligate that structure. Each of the leads includes an electrode located at the distal end of the respective electrode lead. Polarizations of the leads may be selected to achieve the power distribution desired. Each electrode lead includes an outward bend such that when a movable sheath is moved out of contact with the leads, they expand outwardly into apposition with an inner wall of the structure to be ligated. High frequency energy can be applied from the leads to create a heating effect in the surrounding tissue of the anatomical structure.Type: ApplicationFiled: December 16, 2003Publication date: December 16, 2004Inventors: Christopher S. Jones, Arthur W. Zikorus, Mark P. Parker, Brian E. Farley, Joseph M. Tartaglia
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Publication number: 20040162555Abstract: A catheter includes a plurality of primary leads to deliver energy for ligating a hollow anatomical structure. Each of the primary leads includes an electrode located at the working end of the catheter. Separation is maintained between the primary leads such that each primary lead can individually receive power of selected polarity. The primary leads are constructed to expand outwardly to place the electrodes into apposition with a hollow anatomical structure. High frequency energy can be applied from the leads to create a heating effect in the surrounding tissue of the anatomical structure. The diameter of the hollow anatomical structure is reduced by the heating effect, and the electrodes of the primary leads are moved closer to one another. Where the hollow anatomical structure is a vein, energy is applied until the diameter of the vein is reduced to the point where the vein is occluded. In one embodiment, a balloon is inflated to occlude the structure before the application of energy.Type: ApplicationFiled: February 9, 2004Publication date: August 19, 2004Applicant: VNUS Medical Technologies, Inc.Inventors: Brian E. Farley, Dawn A. Henderson, Christopher S. Jones, Mark P. Parker, Joseph M. Tartaglia
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Patent number: 6769433Abstract: A catheter includes a plurality of primary leads to deliver energy for ligating a hollow anatomical structure. Each of the primary leads includes an electrode located at the working end of the catheter. Separation is maintained between the primary leads such that each primary lead can individually receive power of selected polarity. The primary leads are constructed to expand outwardly to place the electrodes into apposition with an anatomical structure. High frequency energy can be applied from the leads to create a heating effect in the surrounding tissue of the anatomical structure. The diameter of the hollow anatomical structure is reduced by the heating effect, and the electrodes of the primary leads are moved closer to one another. Where the hollow anatomical structure is a vein, energy is applied until the diameter of the vein is reduced to the point where the vein is occluded. In one embodiment, a secondary lead is surrounded by the primary leads, and extends beyond the primary leads.Type: GrantFiled: May 25, 2001Date of Patent: August 3, 2004Assignee: VNUS Medical Technologies, Inc.Inventors: Arthur W. Zikorus, Mark P. Parker, Christopher S. Jones, Douglas M. Petty, Brian E. Farley, Joseph M. Tartaglia
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Patent number: 6689126Abstract: A catheter includes a plurality of primary leads to deliver energy for ligating a hollow anatomical structure. Each of the primary leads includes an electrode located at the working end of the catheter. Separation is maintained between the primary leads such that each primary lead can individually receive power of selected polarity. The primary leads are constructed to expand outwardly to place the electrodes into apposition with a hollow anatomical structure. High frequency energy can be applied from the leads to create a heating effect in the surrounding tissue of the anatomical structure. The diameter of the hollow anatomical structure is reduced by the heating effect, and the electrodes of the primary leads are moved closer to one another. Where the hollow anatomical structure is a vein, energy is applied until the diameter of the vein is reduced to the point where the vein is occluded. In one embodiment, a balloon is inflated to occlude the structure before the application of energy.Type: GrantFiled: February 3, 2000Date of Patent: February 10, 2004Assignee: VNUS Medical Technologies, Inc.Inventors: Brian E. Farley, Dawn A. Henderson, Christopher S. Jones, Mark P. Parker, Joseph M. Tartaglia