Patents by Inventor Victor Chechelski
Victor Chechelski 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: 7628763Abstract: Systems and methods for crossing stenosis, partial occlusions, or complete occlusions within a body lumen. The systems generally include an elongate member such as a hollow guidewire that houses a rotatable and translatable drive shaft. The drive shaft typically has a distal portion that is advanced to create a path in the occlusive material that is large enough to allow the hollow guidewire to cross the occlusive material.Type: GrantFiled: September 24, 2004Date of Patent: December 8, 2009Assignee: Revascular Therapeutics, Inc.Inventors: Gerardo V. Noriega, Victor Chechelski, Rudolfo Sudaria
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Publication number: 20080221601Abstract: A hollow guidewire with a shapeable distal end, for removing tissue from a body lumen, such as a coronary artery. The hollow guidewire comprises an elongate, tubular guidewire body that has an axial lumen. A tissue removal assembly, such as a rotating drive shaft, is positioned at or near a distal end of the tubular guidewire body and extends through the axial lumen. Actuation of the tissue removal assembly removes occlusive material in the body lumen.Type: ApplicationFiled: August 31, 2007Publication date: September 11, 2008Applicant: ReVascular Therapeutics, Inc.Inventors: Christopher Huynh, Nestor Aganon, Michael Carley, Victor Chechelski, Rudolfo Sudaria
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Publication number: 20080140101Abstract: A torqueable hollow device, such as a hollow guidewire device, with a pre-determined fixed distal tip is disclosed for removing occlusive material and passing through occlusions, stenosis, thrombus, plaque, calcified material, and other materials in a body lumen, such as a coronary artery. The hollow guidewire generally comprises an elongate, tubular guidewire body that has an axial lumen. A mechanically moving core element is positioned at or near a distal end of the tubular guidewire body and extends through the axial lumen. Actuation of the core element (e.g., oscillation, reciprocation, and/or rotation) creates a passage through the occlusive or stenotic material in the body lumen.Type: ApplicationFiled: December 7, 2006Publication date: June 12, 2008Applicant: ReVascular Therapeutic, Inc.Inventors: Michael Carley, Victor Chechelski, Rudolfo Sudaria, Nestor Aganon, Christopher Huynh, Gerardo V. Noriega
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Publication number: 20070239140Abstract: A controller system includes a device configured to cross an occlusion or stenosis and a control unit. The occlusion-crossing device has an axial lumen and a drive shaft extending through the axial lumen. The control unit is coupled to the device. The control unit has a processor which produces a variable sound and a variable visual display in response to a load measurement on the drive shaft. The load may be measured by a change in current in a motor which drives the shaft. This change in current is then converted to a frequency for variable sound and to a visual display indicative of the load. The load status on the motor may be divided into discrete load levels and correspondingly indicated by discrete levels in the feedback sound frequency and the visual display. This system may be used to monitor and facilitate crossing vascular total occlusions during percutaneous interventions.Type: ApplicationFiled: December 7, 2006Publication date: October 11, 2007Applicant: ReVascular Therapeutics Inc.Inventors: Victor Chechelski, Gerardo V. Noriega, Keith Riordan, Menahem Nassi, Michael Carley
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Publication number: 20070225615Abstract: A guidewire controller system includes a guidewire device and a control unit. The guidewire device has an axial lumen and a drive shaft extending through the axial lumen. The control unit is coupled to the guidewire device. The control unit has a processor which produces a variable sound in response to a load measurement on the drive shaft. The load may be measured by a change in current in a motor which drives the shaft. This change in current is then converted to a frequency for variable sound.Type: ApplicationFiled: March 22, 2006Publication date: September 27, 2007Applicant: ReVascular Therapeutics Inc.Inventors: Victor Chechelski, Gerardo Noriega, Keith Riordan
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Publication number: 20060074442Abstract: A deflectable and torqueable hollow guidewire device is disclosed for removing occlusive material and passing through occlusions, stenosis, thrombus, plaque, calcified material, and other materials in a body lumen, such as a coronary artery. The hollow guidewire generally comprises an elongate, tubular guidewire body that has an axial lumen. A mechanically moving core element is positioned at or near a distal end of the tubular guidewire body and extends through the axial lumen. Actuation of the core element (e.g., oscillation, reciprocation, and/or rotation) creates a passage through the occlusive or stenotic material in the body lumen.Type: ApplicationFiled: September 26, 2005Publication date: April 6, 2006Applicant: ReVascular Therapeutics, Inc.Inventors: Gerardo Noriega, Victor Chechelski, Rudolfo Sudaria, Michael Carley, Nestor Aganon, Eric Coblin
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Publication number: 20050228418Abstract: Systems and methods for crossing stenosis, partial occlusions, or complete occlusions within a body lumen. The systems generally include an elongate member such as a hollow guidewire that houses a rotatable and translatable drive shaft. The drive shaft typically has a distal portion that is advanced to create a path in the occlusive material that is large enough to allow the hollow guidewire to cross the occlusive material.Type: ApplicationFiled: June 6, 2005Publication date: October 13, 2005Applicants: Revascular Therapeutics Inc., NORBORN MEDICAL, INC.Inventors: Gerardo Noriega, Victor Chechelski, Rudolfo Sudaria
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Publication number: 20050119615Abstract: A hollow guidewire for removing tissue from a body lumen, such as a coronary artery. The hollow guidewire comprises an elongate, tubular guidewire body that has an axial lumen. A tissue removal assembly, such as a rotating drive shaft, is positioned at or near a distal end of the tubular guidewire body and extends through the axial lumen. Actuation of the tissue removal assembly removes occlusive material in the body lumen.Type: ApplicationFiled: November 29, 2004Publication date: June 2, 2005Applicant: NORBORN MEDICAL, INC.Inventors: Gerardo Noriega, Victor Chechelski, Rudolfo Sudaria
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Publication number: 20050113853Abstract: Systems and methods for crossing stenosis, partial occlusions, or complete occlusions within a body lumen. The systems generally include an elongate member such as a hollow guidewire that houses a rotatable and translatable drive shaft. The drive shaft typically has a distal portion that is advanced to create a path in the occlusive material that is large enough to allow the hollow guidewire to cross the occlusive material.Type: ApplicationFiled: September 24, 2004Publication date: May 26, 2005Applicant: Norborn Medical, Inc.Inventors: Gerardo Noriega, Victor Chechelski, Rudolfo Sudaria
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Patent number: 6824550Abstract: Systems and methods for crossing stenosis, partial occlusions, or complete occlusions within a body lumen. The systems generally include an elongate member such as a hollow guidewire that houses a rotatable and translatable drive shaft. The drive shaft typically has a distal portion that is advanced to create a path in the occlusive material that is large enough to allow the hollow guidewire to cross the occlusive material.Type: GrantFiled: August 22, 2000Date of Patent: November 30, 2004Assignee: Norbon Medical, Inc.Inventors: Gerardo V. Noriega, Victor Chechelski, Rudolfo Sudaria
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Patent number: 6025670Abstract: Ultrasonic transducer with a selectable beamwidth comprising a body of piezoelectric material in the form of an annulus having an outer diameter D and a thickness T. The body has proximal and distal generally planar parallel surfaces and a centrally disposed hole extending therethrough. The body has a cylindrical wall with a width W extending from the hole to the outer diameter. The transducer is capable of operating at low and high resonance frequencies with the low frequency resonance being determined by the diameter D and an aspect ratio of D/T and the high frequency resonance being determined by the thickness T and an aspect ratio of W/T.Type: GrantFiled: February 18, 1998Date of Patent: February 15, 2000Assignee: Cardiometrics, Inc.Inventors: Paul D. Corl, Michael C. Pao, Vincent A. Barletta, Victor Chechelski
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Patent number: 5908385Abstract: A guide wire assembly comprises a tubular body having a distal end and an proximal end. At least a portion of the body comprises a single continuous helical spring to which one or more tubular electrodes are secured. The electrodes are insulated from the spring by means of an insulator. The electrodes can take a variety of forms, including conductive ribbons, longitudinally split conductive tubes, tubular sections, etc. The guide wire assembly may further include a variety of sensors, such as velocity sensors or temperature sensors. In order to allow flowable material to be passed to the distal end of the guide wire, the guide wire can include a catheter tube passable over the tubular body of the guide wire.Type: GrantFiled: February 8, 1996Date of Patent: June 1, 1999Assignee: Cardiometrics, Inc.Inventors: Victor Chechelski, Jeffrey S. Frisble, Paul D. Corl, John E. Ortiz
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Patent number: 5797856Abstract: An intravascular guide wire comprising a flexible elongate member having proximal and distal extremities. A flexible elongate tubular member is coaxially disposed on the flexible elongate member. A coil assembly is secured to the distal extremity of the flexible elongate member.Type: GrantFiled: January 5, 1995Date of Patent: August 25, 1998Assignee: Cardiometrics, Inc.Inventors: Jeffrey S. Frisbie, Ravi S. Kurse, Victor Chechelski
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Patent number: 5740596Abstract: Ultrasonic transducer with a selectable beamwidth comprising a body of piezoelectric material in the form of an annulus having an outer diameter D and a thickness T. The body has proximal and distal generally planar parallel surfaces and a centrally disposed hole extending therethrough. The body has a cylindrical wall with a width W extending from the hole to the outer diameter. The transducer is capable-of operating at low and high resonance frequencies with the low frequency resonance being determined by the diameter D and an aspect ratio of D/T and the high frequency resonance being determined by the thickness T and an aspect ratio of W/T.Type: GrantFiled: December 2, 1996Date of Patent: April 21, 1998Assignee: Cardiometrics, IncorporatedInventors: Paul D. Corl, Michael C. Pao, Vincent A. Barletta, Victor Chechelski
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Patent number: 5581144Abstract: Ultrasonic transducer with a selectable beamwidth comprising a body of piezoelectric material in the form of an annulus having an outer diameter D and a thickness T. The body has proximal and distal generally planar parallel surfaces and a centrally disposed hole extending therethrough. The body has a cylindrical wall with a width W extending from the hole to the outer diameter. The transducer is capable of operating at low and high resonance frequencies with the low frequency resonance being determined by the diameter D and an aspect ratio of D/T and the high frequency resonance being determined by the thickness T and an aspect ratio of W/T.Type: GrantFiled: May 23, 1995Date of Patent: December 3, 1996Assignee: Cardiometrics, Inc.Inventors: Paul D. Corl, Michael C. Pao, Vincent A. Barletta, Victor Chechelski