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| Number | Title | Issue Date |
| 7425216 | System and method for treating cardiac arrest and myocardial infarction A closed loop heat exchange catheter can be placed in a patient suffering from cardiac arrest or myocardial infarction to cool the patient. Or, a heat exchange pad can be placed against the patient's skin to cool the patient. Magnesium sulfate is infused into the pa... | 09/16/2008 |
| 7287398 | Heating/cooling system for indwelling heat exchange catheter A cooling system for an indwelling heat exchange catheter includes a heat exchange bath that is configured to receive a conduit that carries saline to and from the catheter. A heating/cooling fluid is in the bath and exchanges heat with the saline. The heating/cooli... | 10/30/2007 |
| 7278984 | System and method for controlling rate of heat exchange with patient A patient control system uses a patient-implanted catheter in thermal communication with a fluid bath via a circulating fluid circuit. A controller automatically controls the temperature of the fluid bath as required for selectively cooling or heating the patient in... | 10/09/2007 |
| 7255709 | Intravascular heat exchange catheter with temperature sensor An indwelling heat exchange catheter with integrated temperature sensor includes a catheter tube. A closed loop heat exchanger extends from the catheter tube. A temperature sensor can be integrally formed with the catheter tube such that it is insulated from the clo... | 08/14/2007 |
| 7181927 | Primary heat exchanger for patient temperature control A system for exchanging heat with primary coolant flowing through an intravascular catheter or externally-applied pad to warm or cool a patient. A secondary heat transfer element can be engaged with a primary heat transfer element and is not grounded when the primar... | 02/27/2007 |
| 7144407 | Cardiovascular intra aortic balloon pump catheter with heat exchange function and methods of use An intra-aortic balloon pump catheter system (apparatus and method) includes a pumping element for pumping a patient's blood and one or more heat exchange for exchanging heat with the patient's blood to provide efficient temperature control of the patient. The cathe... | 12/05/2006 |
| 7101388 | Cooling system for indwelling heat exchange catheter A system for exchanging heat with the body of a patient for cooling or warming the patient provides for automatic temperature control in accordance with the monitored temperature of the patient. The system comprises a temperature control module and temperature probe... | 09/05/2006 |
| 7097657 | Dual IV bag arrangement for intravascular temperature control catheter cooling circuit A fluid circuit for circulating coolant in a closed loop between an intravascular catheter and a heat exchange system includes a buffer IV bag in fluid flow series with the catheter between the catheter and a pump that pumps the coolant to the heat exchange system. ... | 08/29/2006 |
| 7090792 | Method of selectively shaping hollow fibers of heat exchange catheter A group of multiple hollow fibers may be shaped to introduce angular divergence among the fibers, or to introduce a selected longitudinal oscillation into the fibers. In one shaping technique, the fibers are held in parallel while upper and lower crimping assemblies... | 08/15/2006 |
| 7070612 | System and method for bringing hypothermia rapidly onboard An intravenous heat exchange catheter and/or an external cooling pad/bladder can be used to maintain hypothermia in, e.g., a cardiac arrest patient, but to accelerate the cooling process the patient first can be infused with cold saline before the opportunity arises... | 07/04/2006 |
| 7014651 | Method and system for treating cardiac arrest using hypothermia A method for treating cardiac arrest includes defibrillating the patient and/or ventilating the patient and/or administering a cardiac arrest drug such as epinephrine to resuscitate the patient, and then cooling the patient using one or more cooling catheter positio... | 03/21/2006 |
| 7001418 | Intravascular heat exchange catheter with insulated coolant tubes Various types of insulated coolant lines that extend between a heat exchanger and an intravascular heat exchange catheter are disclosed. ... | 02/21/2006 |
| 6942644 | Method and system for patient temperature management and central venous access A catheter with three spiral heat exchange elements surrounding a central supply tube and communicating with a source of heat exchange fluid in a closed loop for effecting patient temperature control and at least two infusion lumens for providing access to the centr... | 09/13/2005 |
| 6893454 | Intrarectal heat exchange catheter A closed loop heat exchange catheter can be placed in the rectum of a patient to cool or warm the patient. ... | 05/17/2005 |
| 6878156 | Portable cooler for heat exchange catheter A portable cooler is provided for heat exchange catheters that is powered by one or more batteries. The cooler can include Rankine cycle compressor components or thermoelectric cooler (TEC) components. The cooler can be carried in an ambulance and used to support co... | 04/12/2005 |
| 6872222 | System and method for insulating skin from intravascular heat exchange catheter Insulating foam or other material is disposed between an intravascular heat exchange catheter and the skin of a patient to alleviate patient discomfort arising from the catheter being hotter or colder than skin temperature. ... | 03/29/2005 |
| 6796995 | Intravascular temperature control catheter An intravascular heat exchange catheter is disclosed that has a non-straight heat exchange element. ... | 09/28/2004 |
| 6786916 | Cooling system for indwelling heat exchange catheter A system for exchanging heat with the body of a patient for cooling or warming the patient provides for automatic temperature control in accordance with the monitored temperature of the patient. The system comprises a temperature control module and temperature probe... | 09/07/2004 |
| 6755851 | Indwelling heat exchange catheter and method of using same A catheter is adapted to exchange heat with a body fluid, such as blood, flowing in a body conduit, such as a blood vessel. The catheter includes an inlet lumen and an outlet lumen to circulate working fluid wherein at least one of the inlet or outlet lumens is shap... | 06/29/2004 |
| 6749625 | Intravascular temperature control catheter Various intravascular heat exchange catheters are disclosed that have non-straight heat exchange elements. ... | 06/15/2004 |
| 6733517 | Angling introducer sheath for catheter having temperature control system An introducer sheath for a catheter includes an angling membrane formed at its distal end and an inflate/deflate mechanism formed at its proximal end to deploy the angling membrane. The sheath further includes two hollow body shafts connected at the distal end and c... | 05/11/2004 |
| 6726710 | Method and system for treating cardiac arrest using hypothermia A method for treating cardiac arrest includes defibrillating the patient and/or ventilating the patient and/or administering a cardiac arrest drug such as epinephrine to resuscitate the patient, and then cooling the patient using one or more cooling catheter positio... | 04/27/2004 |
| 6719724 | Central venous line catheter having multiple heat exchange elements and multiple infusion lumens An intravenous catheter system (apparatus and method) for controlling patient temperature includes a generally tubular elongated body having lumens for circulating a heat exchange fluid in a plurality of heat exchange elements provided at spaced intervals along the ... | 04/13/2004 |
| 6716188 | Indwelling heat exchange catheter and method of using same A catheter is adapted to exchange heat with a body fluid, such as blood, flowing in a body conduit, such as a blood vessel. The catheter includes a shaft with a heat exchange region disposed at its distal end. This region may include hollow fibers which are adapted ... | 04/06/2004 |
| 6716236 | Intravascular catheter with heat exchange element having inner inflation element and methods of use An intravenous catheter system (apparatus and method) for controlling patient temperature includes a generally tubular elongate body, a heat exchange element through which a heat exchange fluid circulates, and an inflation element or irregular surface positioned wit... | 04/06/2004 |
| 6709448 | Open core heat exchange catheter, system and method A heat exchange catheter having an open core includes a catheter body for use in the central vasculature of a patient. The catheter body having a balloon with at least one heat exchange lumen for exchanging heat with flowing blood. The balloon inflates from a collap... | 03/23/2004 |
| 6706060 | Heat exchange catheter A heat exchange catheter has a catheter body with a working fluid supply lumen extending therethrough, and terminating in a helical heat exchange tube that exits the body and extends proximally back along the catheter body. Working fluid flows through the heat excha... | 03/16/2004 |
| 6699268 | Radio frequency patient heating system The system of the present invention includes a heat exchange catheter for warming flowing blood within a blood vessel. The heat exchange catheter includes a catheter body having a proximal end and a distal end with electrodes. The electrodes generate an e... | 03/02/2004 |
| 6682551 | Method and system for treating cardiac arrest using hypothermia A method for treating cardiac arrest includes defibrillating the patient and/or ventilating the patient and/or administering a cardiac arrest drug such as epinephrine to resuscitate the patient, and then cooling the patient using one or more cooling cathe... | 01/27/2004 |
| 6652565 | Central venous catheter with heat exchange properties An introducer sheath for a central venous catheter includes a sheath body and a temperature sensor mounted distally on the body. Either the catheter or sheath has a heat exchange region through which coolant is circulated to effect heat exchange with the ... | 11/25/2003 |
| 6645234 | Cardiovascular guiding catheter with heat exchange properties and methods of use An intravenous cardiovascular guiding catheter system (apparatus and method) for controlling patient temperature includes a generally tubular elongate body having a guide lumen with a guide duct disposed at the distal tip of the catheter for providing a p... | 11/11/2003 |
| 6641603 | Heat exchange catheter having helically wound reinforcement A intravascular heat exchange catheter includes a catheter body having a proximal end connectable with a heat exchange fluid source and a distal end insertable into the vasculature of a patient to facilitate heat transfer with flowing blood. The core has ... | 11/04/2003 |
| 6641602 | Method and device including a colo-rectal heat exchanger A method of regulating the temperature of a patient by inserting a heat exchange catheter into a colon of a patient. The heat exchange catheter is inflated with a heat exchange fluid from a temperature control unit wherein the heat exchange fluid is not i... | 11/04/2003 |
| 6620131 | Dual balloon central venous line catheter temperature control system A system for controlling patient temperature uses a central venous line catheter having axially spaced distal and proximal heat exchange balloons. The central venous line catheter is provided with one or more lumens for providing access to the central blo... | 09/16/2003 |
| 6602243 | Foley catheter having redundant temperature sensors and method A Foley catheter has redundant temperature sensors to enable use of the Foley catheter with a patient heating system, such as one relying on a vascular heat exchange catheter. The temperature sensors electronically couple with a control unit, which obtain... | 08/05/2003 |
| 6589271 | Indwelling heat exchange catheter Catheters adapted to exchange heat with a body fluid flowing through a body conduit employ helical elongate lumens for heat transfer with the body fluid. The helical elongate lumen of a catheter forms multiple turns extending longitudinally of a portion o... | 07/08/2003 |
| 6585692 | Method and system for patient temperature management and central venous access A catheter with three spiral heat exchange elements surrounding a central supply tube and communicating with a source of heat exchange fluid in a closed loop for effecting patient temperature control and at least two infusion lumens for providing access t... | 07/01/2003 |
| 6581403 | Heating/cooling system for indwelling heat exchange catheter A cooling system for an indwelling heat exchange catheter includes a heat exchange bath that is configured to receive a conduit that carries saline to and from the catheter. A heating/cooling fluid is in the bath and exchanges heat with the saline. The he... | 06/24/2003 |
| 6582398 | Method of managing patient temperature with a heat exchange catheter A central venous catheter includes coolant supply and return lumens which communicate coolant to and from first and second heat exchange membranes arranged along the distal segment of the catheter. The coolant in the heat exchange membranes removes heat f... | 06/24/2003 |
| 6572640 | Method and apparatus for cardiopulmonary bypass patient temperature control A cardiopulmonary bypass patient is precooled using an indwelling catheter. Cardiopulmonary bypass is initiated when a target temperature or range are achieved, as determined by automatic temperature feedback provided to a control module. The patient may ... | 06/03/2003 |
