Patents Assigned to LivaNova Deutschland GmbH
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Publication number: 20240181148Abstract: An extracorporeal blood treatment system may include a clamp coupled to a blood pathway extending between a patient and a reservoir, a sensor positioned along the blood pathway, and a control unit in communication with both the clamp and the sensor. The sensor is configured to sense a parameter of blood passing through the blood pathway and the sensor is configured to transmit a signal corresponding to the parameter to the control unit. The control unit is configured to receive the signal and transmit a signal to the clamp. The clamp is configured to receive the signal from the control unit and controllably adjust blood flow through the blood pathway in response to receiving the signal from the control unit.Type: ApplicationFiled: December 2, 2022Publication date: June 6, 2024Applicant: LivaNova Deutschland GmbHInventors: Andreas Artelsmair, Lena Kohnen, Ottmar Penka, Helen Herzog
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Publication number: 20240115784Abstract: A system (20) including a heater/cooler module (22) to heat/cool a first fluid in a primary circuit (28), a heat transfer fluid circuit (24) to provide a second fluid to a target device (38) to heat/cool the target device (38), and a heat exchanger (26) including at least part of the primary circuit (28) and at least part of a secondary circuit (36) through which the second fluid flows to facilitate heat transfer between the first fluid and the second fluid. The primary circuit (28) and the secondary circuit (36) are separate circuits and the first fluid and the second fluid remain separated in the system. Also, the system is modular, such that the elements can be stacked to increase heating/cooling capability and/or to increase the number of heating/cooling channels, and the system is compatible with portable applications, such as ambulance, aircraft, and helicopter applications, and with battery opera-tion and/or the use of uninterruptible power supplies.Type: ApplicationFiled: December 13, 2023Publication date: April 11, 2024Applicant: LivaNova Deutschland GmbHInventors: Olivier Wolfgramm, Michael Bonczar
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Patent number: 11925738Abstract: The present disclosure relates to a system for extracorporeal blood circulation, including an oxygenator which includes a heat exchanger configured for warming or cooling blood in extracorporeal blood circulation of a patient, and a heater/cooler configured for exchanging a quantity of heat with the heat exchanger, wherein the heater/cooler includes an thermoelectric heater/cooler and wherein the heater/cooler (14) is connected to the heat exchanger (11) by a thermal connecting element (15).Type: GrantFiled: September 26, 2018Date of Patent: March 12, 2024Assignee: LivaNova Deutschland GmbHInventor: Marco Kechele
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Publication number: 20240075195Abstract: A device for establishing venous inflow to a blood reservoir of an extracorporeal blood circulation system includes a restricting unit for gradually closing a venous inflow line and a vacuum unit for supplying vacuum to the blood reservoir. The device includes a control unit that supplies a first actuating signal to the restricting unit for restricting venous inflow to the blood reservoir and supplies a second actuating signal to the vacuum unit for establishing a degree of vacuum within the blood reservoir.Type: ApplicationFiled: November 10, 2023Publication date: March 7, 2024Applicant: LivaNova Deutschland GmbHInventors: Erwin Knott, Johann Schreyer
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Patent number: 11883574Abstract: A system (20) including a heater/cooler module (22) to heat/cool a first fluid in a primary circuit (28), a heat transfer fluid circuit (24) to provide a second fluid to a target device (38) to heat/cool the target device (38), and a heat exchanger (26) including at least part of the primary circuit (28) and at least part of a secondary circuit (36) through which the second fluid flows to facilitate heat transfer between the first fluid and the second fluid. The primary circuit (28) and the secondary circuit (36) are separate circuits and the first fluid and the second fluid remain separated in the system. Also, the system is modular, such that the elements can be stacked to increase heating/cooling capability and/or to increase the number of heating/cooling channels, and the system is compatible with portable applications, such as ambulance, aircraft, and helicopter applications, and with battery operation and/or the use of uninterruptible power supplies.Type: GrantFiled: October 6, 2017Date of Patent: January 30, 2024Assignee: LivaNova Deutschland GmbHInventors: Olivier Wolfgramm, Michael Bonczar
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Publication number: 20230414857Abstract: Embodiments include a vacuum assisted venous drainage (VAVD) system, including a regulator valve assembly configured to facilitate application of vacuum to a reservoir; a control unit configured to control the regulator valve assembly to facilitate controlling application of the vacuum; at least one pressure sensor coupled to the reservoir and configured to obtain pressure measurements of pressure in the reservoir; a heating element configured to heat the regulator valve assembly to a target temperature; and at least one temperature sensor configured to determine a temperature of the regulator valve assembly.Type: ApplicationFiled: September 6, 2023Publication date: December 28, 2023Applicant: LivaNova Deutschland GmbHInventor: Olivier Wolfgramm
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Patent number: 11844892Abstract: A device for establishing venous inflow to a blood reservoir of an extracorporeal blood circulation system includes a restricting unit for gradually closing a venous inflow line and a vacuum unit for supplying vacuum to the blood reservoir. The device includes a control unit that supplies a first actuating signal to the restricting unit for restricting venous inflow to the blood reservoir and supplies a second actuating signal to the vacuum unit for establishing a degree of vacuum within the blood reservoir.Type: GrantFiled: December 17, 2021Date of Patent: December 19, 2023Assignee: LivaNova Deutschland GmbHInventors: Erwin Knott, Johann Schreyer
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Publication number: 20230399558Abstract: The present application refers to a heat transfer liquid for a temperature control device for human body temperature control during extracorporeal circulation, a temperature control device, the use of heat transfer liquid for extracorporeal circulation and a method of human body temperature control using a heat transfer liquid. The head transfer liquid consists of ethylene glycol or propylene glycol at about 25 volume-percent to about 35 volume-percent, hydrogen peroxide at 0.05 volume-percent or less and sterile, filtered and de-mineralized water as rest.Type: ApplicationFiled: August 29, 2023Publication date: December 14, 2023Applicant: LivaNova Deutschland GmbHInventors: Erwin Knott, Thomas Heckmaier, Filip De Somer
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Patent number: 11819603Abstract: Embodiments include a vacuum assisted venous drainage (VAVD) system, including a regulator valve assembly configured to facilitate application of vacuum to a reservoir; a control unit configured to control the regulator valve assembly to facilitate controlling application of the vacuum; at least one pressure sensor coupled to the reservoir and configured to obtain pressure measurements of pressure in the reservoir; a heating element configured to heat the regulator valve assembly to a target temperature; and at least one temperature sensor configured to determine a temperature of the regulator valve assembly.Type: GrantFiled: January 25, 2023Date of Patent: November 21, 2023Assignee: LivaNova Deutschland GmbHInventor: Olivier Wolfgramm
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Publication number: 20230321333Abstract: A heart lung machine (HLM) includes: a pump actuator; an actuator control unit (ACU) operably connected to the pump actuator; a processing unit configured to receive a set of parameter data from the actuator; a display device configured to present a subset of the set of parameter data; and an input control device operably connected to the pump actuator. The input control device includes a rotatable knob. The ACU may be configured to: determine that the pump actuator has been stopped in response to a pump-stop trigger event; determine that the rotatable knob has been rotated to a first position; and in response to determining that the rotatable knob has been rotated to the first position, starting the pump actuator.Type: ApplicationFiled: June 13, 2023Publication date: October 12, 2023Applicant: LivaNova Deutschland GmbHInventor: Friedemann Schubert
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Publication number: 20230326430Abstract: Embodiments of the subject matter include a heart lung machine (HLM), including a plurality of actuators and a peripheral processing unit configured to receive a set of parameter data from the plurality of actuators. The HLM also may include a peripheral display device configured to present a subset of the set of parameter data and a control assembly comprising a control display device configured to present a user interface having a representation of a parameter value and an associated indication, where at least a portion of the associated indication overlaps at least a portion of the representation of the parameter value.Type: ApplicationFiled: June 13, 2023Publication date: October 12, 2023Applicant: LivaNova Deutschland GmbHInventor: Ottmar Penka
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Patent number: 11690943Abstract: A heart lung machine (HLM) includes: a pump actuator; an actuator control unit (ACU) operably connected to the pump actuator; a processing unit configured to receive a set of parameter data from the actuator; a display device configured to present a subset of the set of parameter data; and an input control device operably connected to the pump actuator. The input control device includes a rotatable knob. The ACU may be configured to: determine that the pump actuator has been stopped in response to a pump-stop trigger event; determine that the rotatable knob has been rotated to a first position; and in response to determining that the rotatable knob has been rotated to the first position, starting the pump actuator.Type: GrantFiled: August 3, 2021Date of Patent: July 4, 2023Assignee: LivaNova Deutschland GmbHInventor: Friedemann Schubert
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Publication number: 20230166023Abstract: Embodiments include a vacuum assisted venous drainage (VAVD) system, including a regulator valve assembly configured to facilitate application of vacuum to a reservoir; a control unit configured to control the regulator valve assembly to facilitate controlling application of the vacuum; at least one pressure sensor coupled to the reservoir and configured to obtain pressure measurements of pressure in the reservoir; a heating element configured to heat the regulator valve assembly to a target temperature; and at least one temperature sensor configured to determine a temperature of the regulator valve assembly.Type: ApplicationFiled: January 25, 2023Publication date: June 1, 2023Applicant: LivaNova Deutschland GmbHInventor: Olivier Wolfgramm
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Publication number: 20230090797Abstract: A perfusion system includes a fluid reservoir configured to hold a portion of fluid, the portion of fluid having a volume, the fluid reservoir having a total capacity that is greater than the volume; an imaging device, the imaging device configured to obtain image data corresponding to the fluid reservoir; and a controller. The controller is configured to receive the image data from the imaging device; determine the volume based on the image data; and facilitate control, in response to at least one of a user input and the determined volume of the portion of fluid, of an operating parameter corresponding to the fluid reservoir to facilitate changing or maintaining the volume of the portion of the fluid.Type: ApplicationFiled: November 29, 2022Publication date: March 23, 2023Applicant: LivaNova Deutschland GmbHInventors: Olivier Wolfgramm, Michael Bonczar, Marco Zanasi
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Patent number: 11590274Abstract: Embodiments include a vacuum assisted venous drainage (VAVD) system, including a regulator valve assembly configured to facilitate application of vacuum to a reservoir; a control unit configured to control the regulator valve assembly to facilitate controlling application of the vacuum; at least one pressure sensor coupled to the reservoir and configured to obtain pressure measurements of pressure in the reservoir; a heating element configured to heat the regulator valve assembly to a target temperature; and at least one temperature sensor configured to determine a temperature of the regulator valve assembly.Type: GrantFiled: October 6, 2017Date of Patent: February 28, 2023Assignee: LivaNova Deutschland GmbHInventor: Olivier Wolfgramm
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Publication number: 20230023854Abstract: Methods and systems for controlling one or more pumps of a heart-lung-machine. An illustrative method may comprise receiving an actual flow rate of a pump, determining the actual flow rate is from a primary pump, determining an available amount of the actual flow rate of the primary pump that is available to one or more subordinate pumps, comparing the available amount of the actual flow rate of the primary pump to a sum of set flow rates of the one or more subordinate pumps, and operating the one or more subordinate pumps in a proactive control mode or a reactive control mode.Type: ApplicationFiled: June 22, 2022Publication date: January 26, 2023Applicant: LivaNova Deutschland GmbHInventors: Ottmar Penka, Friedemann Schubert
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Publication number: 20230001067Abstract: A system for regulating blood flow in extracorporeal circulation, and including a blood reservoir to receive blood from a patient, an oxygenator to condition the blood, a centrifugal pump to pump the blood from the blood reservoir to the oxygenator and back to the patient, an electronic remote clamp to regulate flow of the blood, and a controller to operate in a flow control mode and a speed control mode. The controller includes an operational element to set a blood flow value in the flow control mode and to set a speed of the centrifugal pump in the speed control mode. The controller to automatically switch between the flow control mode and the speed control mode in response to one or more trigger conditions and to automatically switch between the speed control mode and the flow control mode in response to opening the electronic remote clamp.Type: ApplicationFiled: September 12, 2022Publication date: January 5, 2023Applicant: LivaNova Deutschland GmbHInventors: Ottmar Penka, Friedemann Schubert
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Patent number: 11541160Abstract: A perfusion system includes a fluid reservoir configured to hold a portion of fluid, the portion of fluid having a volume, the fluid reservoir having a total capacity that is greater than the volume; an imaging device, the imaging device configured to obtain image data corresponding to the fluid reservoir; and a controller. The controller is configured to receive the image data from the imaging device; determine the volume based on the image data; and facilitate control, in response to at least one of a user input and the determined volume of the portion of fluid, of an operating parameter corresponding to the fluid reservoir to facilitate changing or maintaining the volume of the portion of the fluid.Type: GrantFiled: November 22, 2018Date of Patent: January 3, 2023Assignee: LivaNova Deutschland GmbHInventors: Olivier Wolfgramm, Michael Bonczar, Marco Zanasi
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Publication number: 20220280703Abstract: A system for heating/cooling a target unit. The system including a heater/cooler unit and a heat transfer fluid module. The heater/cooler unit including a heater/cooler that includes a heater/cooler element and a heater/cooler pump, and a heat exchanger that includes a heat exchange element. Where, the heater/cooler pump pumps a first fluid through the heater/cooler element and the heat exchange element and back to the heater/cooler pump. The heat transfer fluid module including a fluid reservoir with a second fluid that is pumped to and through the heat exchanger to transfer heating/cooling between the first fluid and the second fluid and pumped to and through the target unit to transfer heating/cooling between the second fluid and the target unit.Type: ApplicationFiled: May 19, 2022Publication date: September 8, 2022Applicant: LivaNova Deutschland GmbhInventors: Michael Bonczar, Olivier Wolfgramm
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Patent number: RE49629Abstract: The present application relates to a method for controlling a disinfection status of a heater and/or cooler for human body temperature control during extracorporeal circulation. The temperature control is conducted by use of a heat exchanger and a temperature control liquid circulating through the heat exchanger and the heater and/or cooler. The inventive method comprises using a long term disinfectant in the temperature control liquid, measuring and preferably recording the concentration of the disinfectant in the temperature control liquid and deducing a disinfectant status of the temperature control liquid from the measured concentration of the disinfectant in the temperature control liquid.Type: GrantFiled: March 26, 2020Date of Patent: August 29, 2023Assignee: LivaNova Deutschland GmbHInventors: Johann Schreyer, Erwin Knott