# US 11,026,833 B2 · Temperature control device for fluid-based hyper/hypothermia systems > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,026,833 B2 - Document ID: US11026833B2 - Status: Granted - Kind: B2 - Application number: 15/703,292 - Filed: 2017-09-13 - Published: 2018-01-04 - Granted: 2021-06-08 - Earliest claimed: 2011-04-08 - Assignees: LivaNova Deutschland GmbH - Applicants: Sorin Group Deutschland GmbH - Inventors: Erwin Knott; Manfred Fronhöfer - Web page: https://patentgrep.com/patent/US11026833B2 ## CPC - A61M 1/369: {Temperature treatment} - A61F 7/0085: {Devices for generating hot or cold treatment fluids} - A61F 2007/0078: {with a battery} - A61M 2205/3368: Temperature - A61M 2205/36: related to heating or cooling - A61M 2205/82: Internal energy supply devices - A61M 2205/8206: battery-operated - F04C 2270/041: Controlled or regulated - A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)} - A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C) - F04C: ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS (engines F03C); ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS ## Abstract Temperature control device for use in fluid-based hyper/hypothermia systems, comprising a connection unit for connecting the device to a local power network, and a fluid temperature control unit for heating or cooling a fluid. The device includes a power supply unit, by which electrical consuming components of the fluid temperature control unit are supplied with power, and which effects supply of the electrical consuming components with direct current. ## Claims ### Claim 1 A method of running a perfusion hyper/hypothermia system including a temperature control device and a connection unit, wherein the temperature control device includes a fluid temperature control unit including a plurality of electrical consuming components, a supply pump to pump fluid, and a power supply unit, wherein the method of running the perfusion hyper/hypothermia system comprises: receiving an alternating current power input from a local power network through the connection unit; performing power conversions, using the power supply unit, from the alternating current power input to a plurality of direct current power outputs, such that each of the plurality of direct current power outputs is one of a constant mode output and a variable mode output and the plurality of direct current power outputs includes a first direct current power output that is a first variable mode output and a second direct current power output that is a second variable mode output; supplying the plurality of direct current power outputs to the supply pump and the plurality of electrical consuming components including a heater, a cooler, a temperature sensor, and a temperature controller, including supplying the first direct current power output with the first variable mode output to the supply pump and the second direct current power output with the second variable mode output to at least one of the heater and the cooler; controlling the plurality of direct current power outputs to regulate a fluid temperature and a pumping rate; and circulating the fluid from a fluid container through a pipeline to outside of the temperature control device in the perfusion hyper/hypothermia system and back to the fluid container using the supply pump. ### Claim 2 (depends on 1) The method of claim 1, wherein the alternating current power input is one of 220/380 V at 50 Hz and 100 V to 120 V at 60 Hz. ### Claim 3 (depends on 1) The method of claim 1, wherein the supply pump used to circulate the fluid includes a direct current motor. ### Claim 4 (depends on 1) The method of claim 1, wherein the cooler used to regulate the temperature of the fluid includes a direct current compressor. ### Claim 5 (depends on 1) The method of claim 1, further comprising charging a battery with the power supply unit. ### Claim 6 (depends on 1) The method of claim 1, wherein the power supply unit includes a switched-mode power supply unit. ### Claim 7 (depends on 1) The method of claim 1, wherein the temperature controller includes a microprocessor. ### Claim 8 A method of running a perfusion hyper/hypothermia system including a temperature control device and a connection unit, wherein the temperature control device includes a supply pump to pump a fluid, a power supply unit, and a fluid temperature control unit including a plurality of electrical consuming components, wherein the method of running the perfusion hyper/hypothermia system comprises: receiving an alternating current power input from a local power network through the connection unit; reducing electrical noise by electrically decoupling the temperature control device from the local power network to reduce network feedback and leakage currents including: converting the alternating current power input to a plurality of direct current power outputs using the power supply unit, each of the plurality of direct current power outputs being one of a constant mode output and a variable mode output, wherein the plurality of direct current power outputs includes a first direct current power output that is a variable mode output and a second direct current power output that is a constant mode output; and supplying the plurality of direct current power outputs from the power supply unit to the supply pump and the plurality of electrical consuming components including a heater, a cooler, a temperature sensor, and a temperature controller such that each of the supply pump and the plurality of electrical consuming components is supplied with one of the plurality of direct current power outputs and including supplying the first direct current power output with the variable mode output to the supply pump and the second direct current power output with the constant mode output to at least one of the heater and the cooler; controlling the plurality of direct current power outputs to regulate a temperature and a pumping rate of the fluid; and circulating the fluid from a fluid container through a pipeline to outside of the temperature control device in the perfusion hyper/hypothermia system and back to the fluid container using the supply pump. ### Claim 9 (depends on 8) The method of claim 8, wherein the alternating current power input is one of 220/380 V at 50 Hz, 100 V to 120 V at 60 Hz. ### Claim 10 (depends on 8) The method of claim 8, wherein the supply pump used to circulate the fluid includes a direct current motor. ### Claim 11 (depends on 8) The method of claim 8, wherein the power supply unit includes a switched-mode power supply unit. ### Claim 12 (depends on 8) The method of claim 8, wherein the temperature controller is a microprocessor.