Patents by Inventor Marwan Abboud
Marwan Abboud 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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Publication number: 20040243115Abstract: A cryocatheter system includes a first handle portion having a proximal end, a distal end, a first fluid flow path, and a second fluid flow path; a second handle portion having a proximal end, a distal end, a first fluid flow path, and a second fluid flow path; and a catheter having a proximal end, a distal end, a first fluid flow path, and a second fluid flow path. The distal end of the first handle portion is matable with the proximal end of the second handle portion to place the respective first and second fluid flow paths of each handle portion in fluid communication; and the distal end of the second handle portion is matable with the proximal end of the catheter to place the respective first and second fluid flow paths of the second handle portion and the catheter in fluid communication.Type: ApplicationFiled: November 12, 2003Publication date: December 2, 2004Inventors: Marwan Abboud, Domenic Santoianni, Philippe Marchand
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Publication number: 20040199154Abstract: The present invention provides a medical device for guiding an ablation tool onto the surface of tissue. As described herein, the invention includes a device which can be shaped to reach around an organ, bone or tissue structure, and have an optimal configuration for positioning and or orienting the active or distal region of the device based upon the particular anatomy of a patient and the location of the treatment site.Type: ApplicationFiled: April 2, 2003Publication date: October 7, 2004Applicant: CryoCath Technologies Inc.Inventors: Daniel Nahon, Sean Carroll, Michael Urick, Marwan Abboud
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Publication number: 20040158238Abstract: A coolant system for a cryoablation or treatment probe such as a mapping or ablation catheter, or a treatment wand, includes a compressor and condenser having a low pressure inlet side and a high pressure outlet side, wherein the outlet side passes through a heat exchanger and is cooled by the inlet side and conditioned for injection to a catheter inlet. A vacuum return system connectable to the catheter outlet draws thermally expended coolant from the catheter and returns it to the low pressure inlet side. A motorized pressure regulator between the heat exchanger and the catheter inlet determines the pressure of coolant passing into the catheter and thus regulates the cooling rate for a selected mapping or ablation regimen. The low pressure compressor inlet supply preferentially conditions the pressurized coolant to ambient temperature or lower before injection into the catheter, allowing the coolant to travel through the body at ambient before expansion in the tip.Type: ApplicationFiled: January 26, 2004Publication date: August 12, 2004Applicant: CryoCath Technologies Inc.Inventors: Jean-Pierre Lalonde, Marwan Abboud
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Publication number: 20040158237Abstract: An integrated multiple energy ablation system that allows for a variety of ablation procedures to be performed without the interchanging of catheters. A console is provided that is connected to one or more energy treatment devices such as catheters or probes, via an energy-delivering umbilical system. A processor in the console allows a user to selectively control which type of energy is released into the umbilical system and delivered to the energy treatment devices. Cryogenic fluid, RF energy, microwave or direct current as well as laser energy can be supplied in order to cover a wide range of ablation techniques. The integrated ablation station is designed to be compatible with commercial catheters and allows for sequential or simultaneous ablation and mapping procedures to be performed when a deeper and wider lesion capability and/or a broader temperature ablation spectrum is desired.Type: ApplicationFiled: February 11, 2003Publication date: August 12, 2004Inventors: Marwan Abboud, Sean Carroll, Fred Milder, Jean-Pierre Desmarais, Steve Arless, George Klein
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Patent number: 6772766Abstract: A method of promoting blood vessel growth includes the steps of providing a cryocatheter having a thermally transmission region; placing the cryocatheter proximate an area of tissue to be treated; cooling the thermally transmissive region of the cryocatheter proximate the area of tissue to a temperature sufficient to injure the area of tissue; allowing the area of tissue to warm; and removing the cryocatheter from the area of tissue. Prior, during or after the cooling step, the area of tissue can be mechanically traumatized, and drugs can be injected into the tissue.Type: GrantFiled: February 24, 2003Date of Patent: August 10, 2004Assignee: CryoCath TechnologiesInventors: Richard Gallo, Daniel Nahon, Mathieu-Philippe Aubert, Philippe Marchand, Marwan Abboud, Steven G. Arless, Marc Dubuc, Sean Carroll, Dan Wittenberger, John W. Lehmann
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Patent number: 6761714Abstract: A surgical device includes a device body defining a sealed fluid path having a first end and a second end, a refrigerant supply in communication with the first end of the sealed fluid path; and a vacuum source in communication with the second end of the sealed fluid path. Leak detection apparatus can be provided in communication with the sealed fluid path.Type: GrantFiled: April 17, 2002Date of Patent: July 13, 2004Assignee: CryoCath Technologies Inc.Inventors: Marwan Abboud, Johnny Al Asmar, John W. Lehmann
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Patent number: 6746445Abstract: A cryocatheter system includes a first handle portion having a proximal end, a distal end, a first fluid flow path, and a second fluid flow path; a second handle portion having a proximal end, a distal end, a first fluid flow path, and a second fluid flow path; and a catheter having a proximal end, a distal end, a first fluid flow path, and a second fluid flow path. The distal end of the first handle portion is matable with the proximal end of the second handle portion to place the respective first and second fluid flow paths of each handle portion in fluid communication; and the distal end of the second handle portion is matable with the proximal end of the catheter to place the respective first and second fluid flow paths of the second handle portion and the catheter in fluid communication.Type: GrantFiled: July 25, 2002Date of Patent: June 8, 2004Assignee: CryoCath Technologies Inc.Inventors: Marwan Abboud, Domenic Santoianni, Philippe Marchand
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Patent number: 6733494Abstract: A surgical device includes a device body defining a sealed fluid path having a first end and a second end, a refrigerant supply in communication with the first end of the sealed fluid path, and a vacuum source in communication with the second end of the sealed fluid path. Leak detection apparatus can be provided in communication with the sealed fluid path.Type: GrantFiled: April 17, 2002Date of Patent: May 11, 2004Assignee: CryoCath Technologies Inc.Inventors: Marwan Abboud, Johnny Al Asmar, John W. Lehmann
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Patent number: 6730077Abstract: A cryocatheter for treatment of tissue has a tip adapted to provide a signal indicative of the quality and/or orientation of the tip contact with surrounding tissue. In one embodiment, a signal conductor extends through the catheter to the tip and connects to a thermally and electrically conductive shell or cap that applies an RF current to the region of tissue contacted by the tip. The tissue impedance path between the signal lead and a surface electrode mounted on the patient's skin is monitored to develop a quantitative measure of tissue contact at the distal tip, which is preferably displayed on the screen of a catheter monitoring console. In yet a further embodiment, the catheter is provided with a split tip having temperature monitoring sensors, such as thermistors, mounted on opposed halves of the tip so as to sense temperature on two sides of the catheter axis.Type: GrantFiled: September 9, 2002Date of Patent: May 4, 2004Assignee: CryoCath Technologies Inc.Inventors: Sean Carroll, George Klein, Marwan Abboud, Steven G. Arless, Fredric L. Milder, Dan Wittenberger
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Publication number: 20040049178Abstract: A cryogenic medical system includes a medical device and a console connectable to the medical device at a connection point. The console controls the temperature of the medical device. The console includes a first cooling system directing coolant to the medical device at a first temperature along a coolant supply line and a second cooling system chilling the coolant within the coolant supply line to a temperature below the first temperature before the coolant reaches the connection point.Type: ApplicationFiled: July 14, 2003Publication date: March 11, 2004Inventors: Marwan Abboud, Rachid Mahrouche, Jean-Pierre Lalonde, Dan Wittenberger
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Patent number: 6682525Abstract: A coolant system for a cryoablation or treatment probe such as a mapping or ablation catheter, or a treatment wand, includes a compressor and condenser having a low pressure inlet side and a high pressure outlet side, wherein the outlet side passes through a heat exchanger and is cooled by the inlet side and conditioned for injection to a catheter inlet. A vacuum return system connectable to the catheter outlet draws thermally expended coolant from the catheter and returns it to the low pressure inlet side. A motorized pressure regulator between the heat exchanger and the catheter inlet determines the pressure of coolant passing into the catheter and thus regulates the cooling rate for a selected mapping or ablation regimen. The low pressure compressor inlet supply preferentially conditions the pressurized coolant to ambient temperature or lower before injection into the catheter, allowing the coolant to travel through the body at ambient before expansion in the tip.Type: GrantFiled: April 1, 2002Date of Patent: January 27, 2004Assignee: CryoCath Technologies Inc.Inventors: Jean-Pierre Lalonde, Marwan Abboud
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Patent number: 6635053Abstract: A cryogenic medical system includes a medical device and a console connectable to the medical device at a connection point. The console controls the temperature of the medical device. The console includes a first cooling system directing coolant to the medical device at a first temperature along a coolant supply line and a second cooling system chilling the coolant within the coolant supply line to a temperature below the first temperature before the coolant reaches the connection point.Type: GrantFiled: August 11, 2000Date of Patent: October 21, 2003Assignee: CryoCath Technologies Inc.Inventors: Jean-Pierre Lalonde, Marwan Abboud, Rachid Mahrouche, Dan Wittenberger
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Publication number: 20030187428Abstract: An elongated catheter device with a distal balloon assembly is adapted for endovascular insertion. Coolant injected through the device may, in different embodiments, directly cool tissue contacting the balloon, or may cool a separate internal chamber. In the first case, the coolant also inflates the balloon, and spent coolant is returned to the handle via a return passage extending through the body of the catheter. Plural balloons may be provided, wherein a secondary outer balloon surrounds a primary inner balloon, the primary balloon being filled with coolant and acting as the cooling chamber, the secondary balloon being coupled to a vacuum return lumen to serve as a robust leak containment device and thermal insulator around the cooling chamber. Various configurations, such as surface modification of the balloon interface, or placement of particles, coatings, or expandable meshes or coils in the balloon interface, may be employed to achieve this function.Type: ApplicationFiled: March 26, 2003Publication date: October 2, 2003Inventors: Miriam Lane, Leonilda Capuano, David Holtan, Jean-Pierre Lalonde, Claudia Luckge, Jean-Luc Pageard, Marwan Abboud, Johnny Al Asmar, Abderrahim Benrabah, Ken Chen, John W. Lehmann, Philippe Marchand, Robert Martin, Fredric L. Milder, Daniel Nahon
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Patent number: 6592577Abstract: A cryogenic medical system includes a medical device and a console connectable to the medical device at a connection point. The console controls the temperature of the medical device. The console includes a first cooling system directing coolant to the medical device at a first temperature along a coolant supply line and a second cooling system chilling the coolant within the coolant supply line to a temperature below the first temperature before the coolant reaches the connection point.Type: GrantFiled: January 26, 2001Date of Patent: July 15, 2003Assignee: CryoCath Technologies Inc.Inventors: Marwan Abboud, Rachid Mahrouche, Jean-Pierre Lalonde, Dan Wittenberger
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Patent number: 6589234Abstract: The present invention provides a medical device to cold treat desired regions. An injection tube with an open distal end is disposed inside of a catheter tube, defining a return lumen therein. A supply of cryogenic fluid, regulated by a controller mechanism coupled to the device, flows through the injection tube and into the distal tip portion of the catheter tube, whereupon the fluid is returned from the catheter through the return lumen. The expansion and evaporation of cryogenic fluid inside the device serves to cool the surrounding areas external to and proximate the distal end of the device. An additional restriction tube is provided in the length of the catheter tube to regulate the pressure of the flow of cryogen therethrough so as to create higher operating pressures in the distal end of the device and thereby enhance the cooling power and temperature stability of the device at a lower range of fluid flow rates without reaching the triple point of the cryogenic fluid.Type: GrantFiled: September 27, 2001Date of Patent: July 8, 2003Assignee: CryoCath Technologies Inc.Inventors: Jean-Pierre Lalonde, Marwan Abboud, Constantin Bogdan Ciobotaru
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Publication number: 20030125722Abstract: A method of promoting blood vessel growth includes the steps of providing a cryocatheter having a thermally transmission region; placing the cryocatheter proximate an area of tissue to be treated; cooling the thermally transmissive region of the cryocatheter proximate the area of tissue to a temperature sufficient to injure the area of tissue; allowing the area of tissue to warm; and removing the cryocatheter from the area of tissue. Prior, during or after the cooling step, the area of tissue can be mechanically traumatized, and drugs can be injected into the tissue.Type: ApplicationFiled: February 24, 2003Publication date: July 3, 2003Inventors: Richard Gallo, Daniel Nahon, Mathieu-Philippe Aubert, Philippe Marchand, Marwan Abboud, Steven G. Arless, Marc Dubuc, Sean Carroll, Dan Wittenberger, John W. Lehmann
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Patent number: 6575966Abstract: An elongated catheter device with a distal balloon assembly is adapted for endovascular insertion. Coolant injected through the device may, in different embodiments, directly cool tissue contacting the balloon, or may cool a separate internal chamber. In the first case, the coolant also inflates the balloon, and spent coolant is returned to the handle via a return passage extending through the body of the catheter. Plural balloons may be provided, wherein a secondary outer balloon surrounds a primary inner balloon, the primary balloon being filled with coolant and acting as the cooling chamber, the secondary balloon being coupled to a vacuum return lumen to serve as a robust leak containment device and thermal insulator around the cooling chamber. Various configurations, such as surface modification of the balloon interface, or placement of particles, coatings, or expandable meshes or coils in the balloon interface, may be employed to achieve this function.Type: GrantFiled: August 31, 2001Date of Patent: June 10, 2003Assignee: CryoCath Technologies Inc.Inventors: Miriam Lane, Leonilda Capuano, David Holtan, Jean-Pierre Lalonde, Claudia Lückge, Jean-Luc Pageard, Marwan Abboud, Johnny Al Asmar, Abderrahim Benrabah, Ken Chen, John W. Lehmann, Philippe Marchand, Robert Martin, Fredric L. Milder, Daniel Nahon
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Patent number: 6569158Abstract: A surgical device includes a device body defining a sealed fluid path having a first end and a second end, a refrigerant supply in communication with the first end of the sealed fluid path, and a vacuum source in communication with the second end of the sealed fluid path. Leak detection apparatus can be provided in communication with the sealed fluid path.Type: GrantFiled: January 24, 2000Date of Patent: May 27, 2003Assignee: CryoCath Technologies, Inc.Inventors: Marwan Abboud, Johnny Al Asmar, John W. Lehmann
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Patent number: 6562030Abstract: A cryocatheter includes a catheter body defining a coolant flow path, a catheter tip exposed to the coolant flow path, and a heating element associated with the catheter tip. The heating element can be disposed entirely or partially within the catheter tip. Alternatively, the heating element can be exterior to the catheter tip. The heating element can include an electrically resistive element.Type: GrantFiled: April 5, 2000Date of Patent: May 13, 2003Assignee: CryoCath Technologies Inc.Inventors: Marwan Abboud, Steven G. Arless
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Patent number: 6546932Abstract: A method of promoting blood vessel growth includes the steps of providing a cryocatheter having a thermally transmission region; placing the cryocatheter proximate an area of tissue to be treated; cooling the thermally transmissive region of the cryocatheter proximate the area of tissue to a temperature sufficient to injure the area of tissue; allowing the area of tissue to warm; and removing the cryocatheter from the area of tissue. Prior, during or after the cooling step, the area of tissue can be mechanically traumatized, and drugs can be injected into the tissue.Type: GrantFiled: April 5, 2000Date of Patent: April 15, 2003Assignee: CryoCath Technologies Inc.Inventors: Daniel Nahon, Mathieu-Philippe Aubert, Philippe Marchand, Marwan Abboud, Steven G. Arless, Richard Gallo, Marc Dubuc, Sean Carroll, Dan Wittenberger, John W. Lehmann