Patents Assigned to Berlin Heart GmbH
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Patent number: 11517738Abstract: An inlet cannula is provided for supplying a fluid from a human vessel to a fluid pump, the inlet cannula formed as a hollow structure suitable for conveying the fluid and a surface of the inlet cannula has an ingrowth zone and an inlet zone separated from each other by a tear-off edge extending in the circumferential direction of the inlet cannula, wherein a first tangent to the inlet zone on the tear-off edge has an angle to a longitudinal axis of the inlet cannula of >0° and <180°, and wherein a surface roughness in the ingrowth zone is greater than a surface roughness in the inlet zone, and wherein along the flow direction the ingrowth zone is concave, convex, or not curved and the inlet zone is convexly curved, and wherein the tear-off edge forms a curvature transition between the ingrowth zone and the inlet zone.Type: GrantFiled: November 15, 2018Date of Patent: December 6, 2022Assignee: Berlin Heart GmbHInventor: Adrian Wisniewski
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Patent number: 11420041Abstract: Methods are provided for controlling the speed of a pump based on a valve state index and/or for deriving a valve state from time-series signal representing a pressure difference or a flow rate. The methods may be employed in blood pump systems or in blood pump control systems.Type: GrantFiled: August 22, 2018Date of Patent: August 23, 2022Assignee: Berlin Heart GmbHInventor: Dominik Karch
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Patent number: 11415150Abstract: A fluid pump for conveying a fluid is provided comprising: a housing with a fluid inlet and a fluid outlet, a rotor which is disposed rotatably about an axis of rotation in the housing, and a rotor body and at least one conveying element connected rigidly to the rotor body in order to convey the fluid from the fluid inlet to the fluid outlet, the rotor being mounted in the housing radially to the axis of rotation by means of a passive magnetic bearing and also axially and radially by means of a mechanical and/or hydrodynamic bearing disposed on the inlet side or outlet side. A safety bearing is disposed on one side of the rotor situated opposite the mechanical and/or hydrodynamic bearing, wherein the safety bearing has a first safety bearing component connected rigidly to the rotor and a second safety bearing component connected rigidly to the housing.Type: GrantFiled: May 27, 2019Date of Patent: August 16, 2022Assignee: Berlin Heart GmbHInventors: Hendryk Richert, Graham Foster
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Patent number: 11369786Abstract: A disclosed apparatus or method can include or use a non-transluminally implantable blood pump housing, which can be sized and shaped to be implanted at an aortic valve of a human subject, the pump housing can include: a pump housing cross-sectional profile size that is larger than is passable via a blood vessel of the human subject; and a power connection, configured for being electrically connected to an intravascular lead that is sized and shaped to extend from the pump housing through a subclavian artery of the human subject.Type: GrantFiled: May 12, 2020Date of Patent: June 28, 2022Assignee: Berlin Heart GmbHInventors: Ares K. Menon, Peter Nüsser
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Patent number: 11344717Abstract: The present application relates to an outlet graft for a blood pump as well as to a system comprising a blood pump and an outlet graft that is connected to an outlet of the blood pump. The outlet graft includes a first end opposite a second end such that a longitudinal axis is formed between the first and second ends. The second end is connectable to a blood vessel and a lumen with a closed cover. A first strip included in the cover extends parallel to the longitudinal axis and is made of a material that is of a higher contrast under x-rays than the cover.Type: GrantFiled: February 3, 2017Date of Patent: May 31, 2022Assignee: BERLIN HEART GMBHInventors: Sebastian Kallenbach, Daniel Phillips
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Publication number: 20220134084Abstract: The present application relates to an implantable blood pump for assisting a heart function. The blood pump comprises a heat source and a wall that delimits a flow cannel. In addition, the blood pump comprises a heat distributor for distributing heat generated by the heat source to a surface of the wall. In order to transfer heat from the heat source to the blood conveyed in the flow channel, the heat distributor is thermally conductively connected to the heat source and thermally conductively connected to the opposite face of the wall from the flow channel.Type: ApplicationFiled: February 25, 2020Publication date: May 5, 2022Applicant: Berlin Heart GmbHInventors: Oliver PETERS, Adrian WISNIEWSKI, Hendryk RICHERT
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Publication number: 20220126084Abstract: A drive unit for a diaphragm pump may be provided, wherein the drive unit comprises a hollow body and a piston which is arranged so as to be movable in the first hollow body along an axis of the hollow body, wherein the piston divides the hollow body into a first chamber, which is connectable to the diaphragm pump, and a second chamber, which is coupleable to a gas reservoir. The second chamber comprises an inlet valve and an outlet valve, such that a gas flow is drawn into the chamber via the inlet valve and is forced out of the chamber via the outlet valve.Type: ApplicationFiled: January 15, 2020Publication date: April 28, 2022Applicant: Berlin Heart GmbHInventors: Matthew OAKLEY, Norbert SCHWIERTZ
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Publication number: 20220111135Abstract: A method of placing a cardiac drainage cannula into a patient's heart is provided. The method may comprise the steps of (a) inserting the cannula percutaneously into an internal jugular vein, (b) advancing the cannula through the internal jugular vein and into the right atrium of the heart, and (c) advancing the cannula through the atrial septum into the left atrium of the heart. A method of draining blood from the left atrium or left ventricle of a patient's heart using a cardiac drainage cannula is provided. A cardiac drainage cannula and a mechanical circulatory support system are also provided.Type: ApplicationFiled: December 23, 2021Publication date: April 14, 2022Applicant: Berlin Heart GmbHInventors: Ares K. MENON, Kevin T. FISCHER
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Publication number: 20220111196Abstract: A pump system is provided for pumping a fluid and a method is provided for operating the pump system. The pump system comprises a first diaphragm fluid pump, a first inlet cannula connected to the first diaphragm fluid pump for supplying a fluid to the first diaphragm fluid pump, a first outlet cannula connected to the first diaphragm fluid pump for discharging the fluid out of the first diaphragm fluid pump, and a first service pump, which is connected via a first pressure line to the first diaphragm fluid pump and is confirmed to drive the first diaphragm fluid pump via the first pressure line. The pump system further comprises a first inlet flow sensor for detecting a first inlet flow of the fluid in the first inlet cannula and/or a first outlet flow sensor for detecting a first outlet flow of the fluid in the first outlet cannula.Type: ApplicationFiled: August 16, 2019Publication date: April 14, 2022Applicant: Berlin Heart GmbHInventor: Robert Steingräber
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Patent number: 11291855Abstract: A device for feeding a line through the skin of a patient, wherein the line contains a photodynamic substance that releases highly reactive oxygen derivatives when irradiated. Thus, disinfection/sterilization can be achieved in the region of a feed-through both on the outside of the skin and in the feed-through region by irradiating the feed-through.Type: GrantFiled: July 5, 2017Date of Patent: April 5, 2022Assignee: BERLIN HEART GMBHInventor: Constantin Wiesener
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Publication number: 20220088370Abstract: A fluid pump is provided for delivering a fluid, particularly blood, comprising: a housing with a fluid inlet and a fluid outlet and a rotor, which is mounted in the housing such that it can rotate about an axis of rotation in order to deliver the fluid from the fluid inlet to the fluid outlet, the rotor being mounted in the housing by means of a mechanical bearing. A flow cross-section between the rotor and the housing has a local or partial flow cross-section minimum in the direction of the axis of rotation in the region of the mechanical bearing.Type: ApplicationFiled: January 20, 2020Publication date: March 24, 2022Applicant: Berlin Heart GmbHInventors: Adrian WISNIEWSKI, Jörg MÜLLER, Bodo SCHMIDT
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Publication number: 20220049721Abstract: A switching unit may be provided for connecting a first pneumatic unit and a second pneumatic unit of a pneumatic system together. The switching unit comprises a main body having: a channel structure which extends through the main body; a first and a second inlet for introducing a pressure into the channel structure; a first and a second outlet for discharging at least some of the pressure from the channel structure; and a first and a second valve; wherein the first inlet can be brought into a pressure-exchange connection to the first outlet via a first channel by setting a first switch position of the first valve or to the second outlet via a second channel by setting a second switch position of the first valve, and wherein the second inlet can be brought into a pressure-exchange connection to the first outlet via a third channel by setting a first switch position of the second valve or to the second outlet via a fourth channel by setting a second switch position of the second valve.Type: ApplicationFiled: November 27, 2019Publication date: February 17, 2022Applicant: Berlin Heart GmbHInventors: Matthew OAKLEY, Thomas REITINGER
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Publication number: 20220023613Abstract: A method is provided for producing a bearing arrangement for an implantable blood pump. A bearing arrangement and an implantable blood pump are also provided. In the method, a rotor may be provided having one or more drive magnets. The rotor has a conveying element. In addition, a stator having stator windings is provided. Furthermore, the rotor is arranged in a flow channel formed by an inside wall of the stator. A rotor rotation is then driven. While the rotor rotation is driven, a deflection of the rotor is determined. In addition, the deflection of the rotor may be corrected by applying, removing, magnetizing and/or demagnetizing magnetically active material on the stator and/or on the rotor in a non-rotationally symmetrical manner.Type: ApplicationFiled: November 26, 2019Publication date: January 27, 2022Applicant: Berlin Heart GmbHInventors: Hendryk RICHERT, Oliver PETERS
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Publication number: 20220016411Abstract: A blood pump may be provided for supporting heart function. A method may be provided for producing a pump housing of the blood pump. The provided blood pump comprises an implantable pump housing. The blood pump additionally comprises a fiber optic sensor comprising an optical fiber. The optical fiber is at least partially accommodated in a housing part of the pump housing.Type: ApplicationFiled: November 25, 2019Publication date: January 20, 2022Applicant: Berlin Heart GmbHInventor: Kim WINTERWERBER
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Patent number: 11197989Abstract: A cannula assembly is provided, the cannula assembly comprising a cannula, in particular a graft, for forming a flow channel for bodily fluids, in particular for blood, and a protective element for the cannula, wherein the protective element defines a channel for the cannula, wherein the cannula runs through the channel of the protective element at least in sections, wherein the protective element comprises a plurality of segments, wherein the segments are arranged next to one another in a sequence and wherein each segment defines a sub-section of the channel of the protective element. A blood pump assembly and a method for using the cannula assembly and the blood pump assembly are also provided.Type: GrantFiled: April 10, 2017Date of Patent: December 14, 2021Assignee: Berlin Heart GmbHInventors: Nedim Arslan, Kim Peter Winterwerber, Michael Matthes, Heiko Gundlach, Benjamin Daniel Kaebe, Gerhard Lauterbach
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Publication number: 20210361931Abstract: A component for conducting a fluid having a sensor, wherein the component comprises an inner and an outer wall, where-in the inner wall is configured to conduct the fluid, the outer wall terminates the component to the outside, and a wall region is formed between the inner and outer walls. The component in accordance with the invention is characterized in that the sensor has an electromechanical element and is arranged in the wall region at the inner wall, wherein the sensor is adapted to measure a degree of deformation of the inner wall in the region of the sensor by means of the sensor element and to output it as an electrical signal, wherein the sensor element preferably has a length and/or a width of ?50 ?m.Type: ApplicationFiled: May 27, 2019Publication date: November 25, 2021Applicant: Berlin Heart GmbHInventors: Michael Frischke, Daniel Phillips, Oliver Peters, Valentin Bykov, Florian Jankowsky
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Publication number: 20210346679Abstract: A bearing assembly may be provided for mounting a rotor which can be rotated about a rotational axis. In particular, for a rotary fluid pump or rotary blood pump comprising: a main body, a bearing element which can be displaced relative to the main body in the direction of the rotational axis for receiving the rotor, and an adjusting device which is connected to the bearing element for displacing the bearing element in the direction of the rotational axis by a predefined distance, wherein the predefined distance is <=500 micrometres.Type: ApplicationFiled: September 26, 2019Publication date: November 11, 2021Applicant: Berlin Heart GmbHInventors: Sascha PIELKA, Bodo SCHMIDT
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Publication number: 20210324861Abstract: Methods and apparatuses for determining operational parameters of a blood pump comprising a rotor which transports the blood are provided. The change in the behaviour of at least one first and one second operational parameter, independently from each other, of the pump, is determined. A determination of the flow through the pump and/or the difference in pressure across the pump and/or the viscosity of the blood takes into account the determined change in behaviour of the at least two operational parameters. A modelling for a dynamic model of the known quantities may be carried out and an estimation method using a Kalman filter may be used.Type: ApplicationFiled: June 28, 2021Publication date: October 21, 2021Applicant: Berlin Heart GmbHInventors: Marcus Granegger, Robert Steingräber, Jonas Fabian Krone
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Patent number: 11141579Abstract: A drive device is provided comprising a working pump, the working pump connected to a membrane fluid pump, and the working pump having a working piston able to oscillate axially between two reversal points for contracting and expanding a working chamber, and a control unit for controlling a movement of the working piston between the two reversal points. The controlled movement of the working piston comprises three temporally successive phases, in a first phase the working piston is accelerated to a speed that is greater than a speed at the end of the first phase, in a second phase the working piston is moved such that a specified speed of the working piston, a specified relative pressure in the working chamber, or a specified force of the working piston is substantially kept constant, and in a third phase the working piston is moved at a negative acceleration.Type: GrantFiled: September 27, 2019Date of Patent: October 12, 2021Assignee: BERLIN HEART GMBHInventor: Robert Steingräber
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Patent number: 11090154Abstract: A holding device for a suture ring is provided. The holding device may include a retainer in which a suture ring can be releasably fixed, in particular clamped, and a handle which is connected to the retainer and which has an actuating mechanism for fixing and/or releasing a connection between the retainer and the suture ring. By means of the holding device, a suture ring can be fixed in the retainer such that a tubular part and/or object can be pushed into the suture ring without exerting forces on the tissue to which the suture ring is connected.Type: GrantFiled: May 9, 2017Date of Patent: August 17, 2021Assignee: BERLIN HEART GMBHInventors: Helge Krambeck, Gerhard Lauterbach, Felix Von Winterfeld