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VNUS Medical Technologies, Inc. Patents
Assignee:
VNUS Medical Technologies, Inc.
Address:
San Jose, CA
No. of patents:
37
Patents:












Patent Number Title Of Patent Date Issued
7625372 Methods and apparatus for coagulating and/or constricting hollow anatomical structures December 1, 2009
An energy delivering probe is used for thermally coagulating and/or constricting hollow anatomical structures (HAS) including, but not limited to, blood vessels such as perforator veins. The probe includes a shaft and at least two electrodes where at least one of the electrodes has a
7517349 Electrosurgical instrument and method April 14, 2009
An electrosurgical instrument and method for treating varicose veins. In one embodiment, an elongate catheter has a distal working end that carries an electrosurgical energy delivery surface comprising at least one electrode with a positive temperature coefficient of resistance (PTCR
7406970 Method of using expandable vein ligator catheter having multiple electrode leads August 5, 2008
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 ca
7402320 Apparatus, material compositions, and methods for permanent occlusion of a hollow anatomical str July 22, 2008
This invention relates to occlusion of a hollow anatomical structure by inserting an occluding device or occluding material into a hollow anatomical structure or surrounding native tissue.
7396355 Method and apparatus for applying energy to biological tissue including the use of tumescent tis July 8, 2008
An electrode catheter is introduced into a hollow anatomical structure, such as a vein, and is positioned at a treatment site within the structure. Tumescent fluid is injected into the tissue surrounding the treatment site to produce tumescence of the surrounding tissue which then co
7041098 Expandable vein ligator catheter and method of use May 9, 2006
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 ca
6981972 Apparatus for treating venous insufficiency using directionally applied energy January 3, 2006
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
6969388 Apparatus for applying energy to biological tissue including the use of tumescent tissue compres November 29, 2005
An electrode catheter is introduced into a hollow anatomical structure, such as a vein, and is positioned at a treatment site within the structure. Tumescent fluid is injected into the tissue surrounding the treatment site to produce tumescence of the surrounding tissue which then co
6769433 Expandable vein ligator catheter having multiple electrode leads, and method August 3, 2004
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
6752803 Method and apparatus for applying energy to biological tissue including the use of tumescent tis June 22, 2004
An electrode catheter is introduced into a hollow anatomical structure, such as a vein, and is positioned at a treatment site within the structure. Tumescent fluid is injected into the tissue surrounding the treatment site to produce tumescence of the surrounding tissue which then co
6689126 Expandable vein ligator catheter and method of use February 10, 2004
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
6682526 Expandable catheter having two sets of electrodes, and method of use January 27, 2004
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 ef
6638273 Expandable catheter having improved electrode design, and method for applying energy October 28, 2003
A catheter having expandable electrodes for applying energy to a hollow anatomical structure such as a vein. When used on a vein, the catheter is useful for a minimally invasive treatment of venous insufficiency. The catheter includes conductive end rings to which the electrodes are
6613045 Method and apparatus for treating venous insufficiency September 2, 2003
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 energ
6401719 Method of ligating hollow anatomical structures June 11, 2002
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
6398780 Expandable vein ligator catheter and method of use June 4, 2002
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
6361496 Pressure tourniquet with ultrasound window and method of use March 26, 2002
A pressure tourniquet having a window transparent to ultrasound is wrapped around a leg or another anatomical structure containing veins. An ultrasound transducer is placed in contact with the window of the tourniquet. The window is adjacent the anatomical structure and the transduce
6322559 Electrode catheter having coil structure November 27, 2001
A coil is located at the distal working end of an electrode catheter. The coil includes two parallel electrically conductive strips separated by a narrow gap. The strips are covered with insulation, and are connected respectively to electrical leads having opposite polarity. Electrodes a
6263248 Catheter having expandable electrodes and adjustable stent July 17, 2001
A catheter having expandable electrodes for applying energy to a vein for a minimally invasive treatment of venous insufficiency, and having expandable stent members for limiting vein shrinkage to a final desired vein diameter. The catheter includes a set of expandable arms that are
6258084 Method for applying energy to biological tissue including the use of tumescent tissue compressio July 10, 2001
An electrode catheter is introduced into a hollow anatomical structure, such as a vein, and is positioned at a treatment site within the structure. Tumescent fluid is injected into the tissue surrounding the treatment site to produce tumescence of the surrounding tissue which then co
6237606 Method of applying energy to tissue with expandable ligator catheter having multiple electrode l May 29, 2001
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
6231507 Pressure tourniquet with ultrasound window and method of use May 15, 2001
A pressure tourniquet having a window transparent to ultrasound is wrapped around a leg or another anatomical structure containing veins. An ultrasound transducer is placed in contact with the window of the tourniquet. The window is adjacent the anatomical structure and the transduce
6200312 Expandable vein ligator catheter having multiple electrode leads March 13, 2001
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
6179832 Expandable catheter having two sets of electrodes January 30, 2001
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 ef
6165172 Expandable vein ligator catheter and method of use December 26, 2000
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
6152899 Expandable catheter having improved electrode design, and method for applying energy November 28, 2000
A catheter having expandable electrodes for applying energy to a hollow anatomical structure such as a vein. When used on a vein, the catheter is useful for a minimally invasive treatment of venous insufficiency. The catheter includes conductive end rings to which the electrodes are
6149660 Method and apparatus for delivery of an appliance in a vessel November 21, 2000
A delivery device and method for intraluminally deploying a clip appliance within a body lumen or cavity of a patient, for example a vein. The clip is configured from a wire-like, bendable material, having a "W"-like sinusoidal shape. The clip is constructed with sharpened slanted edges
6139527 Method and apparatus for treating hemorrhoids October 31, 2000
A catheter delivers an electrode within a vein for a minimally invasive treatment of hemorrhoids 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
6135997 Method for treating hemorrhoids October 24, 2000
A catheter delivers an electrode within a vein for a minimally invasive treatment of hemorrhoids 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
6071277 Method and apparatus for reducing the size of a hollow anatomical structure June 6, 2000
A catheter delivers an electrode within a hollow anatomical structure for a minimally invasive treatment which reduces the size of the structure. The catheter is introduced and positioned within a section of the hollow anatomical structure to be treated. The electrode radiates high frequ
6036687 Method and apparatus for treating venous insufficiency March 14, 2000
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 energ
6033398 Method and apparatus for treating venous insufficiency using directionally applied energy March 7, 2000
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
6033397 Method and apparatus for treating esophageal varices March 7, 2000
A catheter delivers an electrode within a vein for a minimally invasive treatment of esophageal varices using RF energy. The catheter is introduced into and positioned within the section of the vein to be treated. The electrode radiates high frequency energy towards the vein, and the
6014589 Catheter having expandable electrodes and adjustable stent January 11, 2000
A catheter having expandable electrodes for applying energy to a vein for a minimally invasive treatment of venous insufficiency, and having expandable stent members for limiting vein shrinkage to a final desired vein diameter. The catheter includes a set of expandable arms that are
5810847 Method and apparatus for minimally invasive treatment of chronic venous insufficiency September 22, 1998
The invention is embodied in an appliance or a prosthesis and a delivery catheter for use in a vein for minimally invasive treatment of chronic venous insufficiency. The system and method of the invention eliminate the need for open surgical valve repair procedures, obviate the need for
5730136 Venous pump efficiency test system and method March 24, 1998
A test system and method for evaluating the efficiency of the venous pump in leg muscles and for identifying incompetent venous valves. The test system comprises a legging having inflatable bladders, a manifold and a system controller. A pressurized inflation source is provided which is
5609598 Method and apparatus for minimally invasive treatment of chronic venous insufficiency March 11, 1997
The invention is embodied in an appliance or a prosthesis and a delivery catheter for use in a vein for minimally invasive treatment of chronic venous insufficiency. The system and method of the invention eliminate the need for open surgical valve repair procedures, obviate the need for

 
 
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