Patent application number | Description | Published |
20130073014 | PATIENT TEMPERATURE CONTROL CATHETER WITH OUTER SLEEVE COOLED BY INNER SLEEVE - A catheter has an inner sleeve through which refrigerant circulates to and from a source of refrigerant. The catheter also has an outer sleeve surrounding the inner sleeve, including a distal end thereof. The outer sleeve is filled with a frozen biocompatible substance. The refrigerant is separated from the biocompatible substance by one or more walls of the inner sleeve such that the refrigerant is isolated from a patient in whom the catheter is positioned by both the inner sleeve and the frozen biocompatible substance. The refrigerant circulates through the catheter when the catheter is positioned in the patient to maintain the biocompatible substance frozen as heat is transferred from the patient to the biocompatible substance. | 03-21-2013 |
20130079855 | PATIENT TEMPERATURE CONTROL CATHETER WITH HELICAL HEAT EXCHANGE PATHS - A catheter includes a working fluid supply path communicating with a source of working fluid. The catheter also includes a working fluid return path communicating with the working fluid supply path to return working fluid from the supply path to the source of working fluid. At least one of the paths is contained in a distal heat exchange region of the catheter, where the distal heat exchange region includes first and second helical paths and is made of a shape memory material. | 03-28-2013 |
20130079856 | SELF-CENTERING PATIENT TEMPERATURE CONTROL CATHETER - A patient temperature control catheter includes working fluid supply and return lumens through which working fluid circulates to exchange heat with a patient in whom the catheter is positioned. At least one lumen is defined by plural coils axially spaced from each other. At least a first coil is a large coil that inflates with working fluid to seat against a wall of a blood vessel in which the catheter is positioned, with blood flowing through the coil so as not to block blood flow in the vessel. | 03-28-2013 |
20130079857 | SYSTEM AND METHOD FOR DOUBLED USE OF PATIENT TEMPERATURE CONTROL CATHETER - An apparatus for exchanging heat in a patient has a first elongated heat exchange catheter carrying circulating working fluid to and from a heat exchange system and a second elongated heat exchange catheter carrying circulating working fluid to and from the heat exchange system. The apparatus has a connector supporting proximal portions of both catheters while distal portions of the catheters are disposed inside a patient's vasculature to exchange heat with the patient. | 03-28-2013 |
20130079858 | TRANSATRIAL PATIENT TEMPERATURE CONTROL CATHETER - A transatrial intravascular temperature management catheter has a lower heat exchange segment positionable in the inferior vena cava and an upper heat exchange segment positionable in the superior vane cava, with a connecting segment lying between the two and positionable in the right atrium. A temperature sensor on the distal tip of the upper heat exchange segment provides accurate core body temperature signals for feedback purposes since the blood flowing past the sensor has not yet reached the heat exchange segment. | 03-28-2013 |
20130079859 | SELF-CENTERING PATIENT TEMPERATURE CONTROL CATHETER - A patient temperature control catheter ( | 03-28-2013 |
20140094881 | INTRAVASCULAR HEAT EXCHANGE CATHETER AND SYSTEM WITH RFID COUPLING - A system includes a heat exchange catheter line assembly configured to convey working fluid circulating to and from at least one heat exchange element on an intravascular heat exchange catheter. The system also includes a heat exchange system that itself includes a processor and is configured for fluidly communicating with the heat exchange catheter line assembly to exchange heat with the working fluid. A near filed communication (NFC) member associated with the heat exchange system and an NFC element associated with the heat exchange catheter line assembly are also included. The NFC member is configured to provide the processor with a signal representative of whether the NFC member detects the NFC element. | 04-03-2014 |
20150025607 | PATIENT TEMPERATURE CONTROL CATHETER WITH OUTER SLEEVE COOLED BY INNER SLEEVE - A catheter has an inner sleeve through which refrigerant circulates to and from a source of refrigerant. The catheter also has an outer sleeve surrounding the inner sleeve, including a distal end thereof. The outer Sleeve is filled with a frozen biocompatible substance. The refrigerant is separated from the biocompatible substance by one or more walls of the inner sleeve such that the refrigerant is isolated from a patient in whom the catheter is positioned by both the inner sleeve and the frozen biocompatible substance. The refrigerant circulates through the catheter when the catheter is positioned in the patient to maintain the biocompatible substance frozen as heat is transferred from the patient to the biocompatible substance. | 01-22-2015 |