Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
  • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
  • A61M60/10—Location thereof with respect to the patient's body
  • A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
  • A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
  • A61M60/13—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel by means of a catheter allowing explantation, e.g. catheter pumps temporarily introduced via the vascular system
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
  • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
  • A61M60/20—Type thereof
  • A61M60/205—Non-positive displacement blood pumps
  • A61M60/216—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller
  • A61M60/237—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller the blood flow through the rotating member having mainly axial components, e.g. axial flow pumps
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
  • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
  • A61M60/80—Constructional details other than related to driving
  • A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
  • A61M60/81—Pump housings
  • A61M60/816—Sensors arranged on or in the housing, e.g. ultrasonic flow sensors
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
  • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
  • A61M60/80—Constructional details other than related to driving
  • A61M60/855—Constructional details other than related to driving of implantable pumps or pumping devices
  • A61M60/871—Energy supply devices; Converters therefor
  • A61M60/878—Electrical connections within the patient's body
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
  • A61M2205/00—General characteristics of the apparatus
  • A61M2205/33—Controlling, regulating or measuring
  • A61M2205/3331—Pressure; Flow
  • A61M2205/3334—Measuring or controlling the flow rate
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
  • A61M2205/00—General characteristics of the apparatus
  • A61M2205/82—Internal energy supply devices
  • A61M2205/8262—Internal energy supply devices connectable to external power source, e.g. connecting to automobile battery through the cigarette lighter

Definitions

• the invention relates to a motor housing module for sealing an engine compartment of a motor of a cardiac assisting system and a cardiac assisting system and to a method for mounting a cardiac assisting system.
• Cardiac assist systems such as a left ventricular cardiac assist system
• Cardiac assist systems may be implanted in a ventricle and include integrated electronic components, such as sensors.
• the integration of electronic components in the cardiac support system is usually classical on substrates, eg. As printed circuit boards or printed circuit boards (PCBs), constructed and integrated into correspondingly large cavities of the cardiac assist system.
• PCBs printed circuit boards
• These cardiac support systems can be implanted, for example, by means of a sternotomy.
• US Pat. No. 9,474,840 B2 describes the integration of an optical pressure sensor into the tip of a compactly constructed cardiac assist system for minimally invasive implantation.
• the optical feed is realized consuming by means of a glass fiber in a channel.
• the entire evaluation electronics are placed remotely through the glass fiber in an extracorporeal control console. For fully implanted systems, however, it is also necessary to implant the processing electronics implanted.
• the object of the invention is to provide an improved cardiac assist system.
• it is an object of the invention, in a heart support system in a small space both for a motor for driving a cardiac function supporting blood pump as well as sensors to create electrical connection options.
• the motor housing module can fluid-tightly seal the engine compartment of the patient support system and connect the motor of the cardiac assistance system with a connection cable that can be used to power the motor.
• sensor signals can be combined, processed and forwarded via the connection cable by means of the motor housing module.
• the motor housing module and the The cardiac assist system may advantageously be designed to be so compact that it can be used for a minimally invasive implantation as a fully implanted system, for example for a left ventricular assistive device (LVAD).
• the cardiac support system can be designed such that it can be inserted into a heart chamber or the aorta by means of a catheter.
• a motor housing module for sealing an engine compartment of an engine of a cardiac assist system has a feedthrough section, at least one feedthrough line and at least one contact pin.
• the feedthrough section is designed to establish an electrical connection between the cardiac assistance system and a connection cable for external contact with the cardiac assistance system.
• the at least one feedthrough line is embedded in the feedthrough section and extends through the feedthrough section.
• the feed-through cable can be connected to the motor and to the connecting cable.
• a first end of the at least one contact pin is embedded in the lead-through section, and a second end projects out of the lead-through section on a side facing away from the engine compartment. The second end of the contact pin is connectable to a sensor line to at least one sensor of the cardiac assist system and to the connection cable.
• the motor housing module can be designed, for example, in one or two parts.
• the motor housing module may comprise titanium components or glass components.
• the cardiac assist system may be, for example, a left ventricular cardiac assist system having a heart pump with a motor.
• the engine compartment may be, for example, a portion of the cardiac assist system, for example, to a housing section.
• the engine compartment can be hermetically, ie fluid-tight, sealed by means of the housing presented here advantageously.
• the engine housing module may be made of a material that provides a weld between the engine or engine compartment and the engine housing module to seal the engine compartment.
• the lead-through section for establishing an electrical connection between the cardiac assistance system and the connection cable can, for example, be made in one piece.
• the lead-through section can comprise, for example, a milled part and a glass component, which are hermetically connected to one another, for example by laser welding or sintering.
• the feedthrough line and the contact pin may for example consist of an electrically conductive material, for example a metal such as an iron-nickel-cobalt alloy with a low coefficient of thermal expansion or stainless steel.
• the connection cable for external contacting of the cardiac assist system can, for example, produce an electrical connection to a further implanted component, for example a current source and / or control unit of the cardiac assist system.
• the sensor line may, for example, comprise a group of lines and be designed to forward sensor signals of a sensor in the pump head of the cardiac assistance system and / or sensor signals of several sensors.
• the sensor line can be realized in example as an applied flexible thin film substrate.
• the feedthrough section can have at least one through-opening filled with an electrically insulating material for embedding the at least one feed-through line and at least one blind hole filled with an electrically insulating material for embedding the at least one contact pin.
• the lead-through section can thus be made of glass, for example, and both the lead-through line and the contact pin can be embedded. This embodiment advantageously enables a particularly cost-saving production. According to one embodiment, it is also advantageous if the at least one feedthrough line and, additionally or alternatively, the at least one contact pin are cylindrical or cup-shaped.
• connection of the connection cable can be achieved, for example, by direct soldering, gluing, crimping or welding the connection cable strands to the pin or using a sleeve or a plug respectively.
• connection to the connecting cable can be carried out, for example, by inserting the strands of the connecting cable into the cup of the feedthrough or of the contact pin, wherein the fixing takes place by means of soldering , Gluing, crimping or welding can be realized.
• various embodiments can be realized according to this embodiment, which is advantageous in terms of the simplest possible construction.
• additional mechanical stabilization of the connection can take place, for example by means of a plug as part of the connection.
• the motor housing module may include a body.
• the body may have a sensor groove for receiving at least one electronic component, in particular a sensor and additionally or alternatively a sensor hub.
• a sensor can thus be placed on the body of the motor housing module, which allows a compact construction.
• the electrical contacting of an electronic component accommodated in the sensor core with the lead-through section can be effected, for example, by means of an electrically conductive substrate, in the case of a flexible thin-film substrate, for example.
• the sensor groove may for example also be formed as a trough or as a cavity.
• the body may, for example, be a milled titanium part.
• the body may be formed, for example, to enclose the feedthrough section.
• Feedthrough section which may for example comprise glass
• the milled part can then be hermetically combined with the milled part by laser welding, sintering or extrusion coating. Integration of the feedthrough section into the body may be advantageous in terms of construction, since the body of the motor housing module can be welded particularly easily to another section of the hearth support system, for example the engine compartment or the engine.
• the motor housing module can additionally have a sensor cap for covering the at least one electronic component accommodated in the sensor slot.
• the sensor cap can, for example, have a metal and be fixed by gluing.
• a received electronic component can be protected by the sensor cap.
• the motor housing according to this embodiment can have a sensor line section of the sensor line.
• the sensor line section can form a sensor carrier for connecting the at least one electronic component.
• the sensor line section represents part of the sensor line of the cardiac assist system, the sensor line can be designed to be modular, for example.
• the sensor line may expand in example in the region of the sensor line section.
• a connection with the sensor line and an integration of an electronic component, such as a further sensor, is particularly space-saving and easy.
• the electronic component may have a sensor hub according to one embodiment.
• the sensor hub can be configured to process at least one sensor signal of the at least one sensor of the cardiac assist system. Additionally or alternatively, the sensor hub may be configured to apply the sensor signal via the at least one contact pin to the sensor Provide connection cable.
• the network node of several sensors example, star-shaped interconnects.
• the sensor hub can be a computer network.
• the sensor hub can be referred to as the coupling element of several sensors.
• the sensor hub can connect the sensor on the pump head to a sensor in the sensor slot of the motor housing module.
• the connection of several sensors by means of a sensor hub may be advantageous in order to increase the reliability against a physical bus network.
• the sensor hub may comprise, for example, calibration and identification information from the pump and the sensors of the cardiac assistance system and may be read out via a communication bus in the connection cable from a central control unit of the cardiac support system. In this way, the control unit can be parameterized for example with motor data.
• the sensor hub can also be used to pre-process sensor data from the sensors of the pump, eg. For example, to aggregate, filter or calibrate and translate the communication protocol of the sensors to a more robust communication protocol and to add artificial redundancy or checksums.
• the sensor line section may have a contact section.
• the contact portion may be disposed on a side remote from the engine compartment side of the feedthrough portion.
• the contact portion may be formed O-shaped or U-shaped.
• the contact section can be used for electrically contacting the sensor line with the lead-through section, this embodiment being particularly space-saving.
• the contact section may be formed, for example, as an end section of the sensor lead section and folded over onto the leadthrough section, wherein contacting of the connection cable with the at least one contact pin without a contact of the connection cable is achieved by the O-shape or U-shape Contact section to the feedthrough can be implemented reali.
• the contact section may have at least one contact surface for connection to the at least one contact pin.
• the contact surface may be formed to at least partially enclose the at least one contact pin.
• the contact surface may be semicircular or elliptical in this example.
• the contact surface may, for example, have an exposed, electrically contactable region, wherein the electrical contact between the sensor line section and the contact pin can be produced, for example, by solder or adhesive.
• the motor housing module may have a terminal cap for covering a connection point between the feedthrough section and the connection cable.
• the junction cap can be at play, for example, a part of the sensor cap.
• the junction cap like the sensor cap, can be filled with potting compound, such as silicone or epoxy, to protect sensors and contact points from corrosion and conductive liquids.
• the connection point cap can be flexibly shaped in order to be able to implement not only mechanical protection, but also anti-kink protection and strain relief.
• the motor housing module can have a coupling device for coupling an insertion device for introducing the cardiac assistance system to the motor housing module, in particular wherein the coupling device can have at least one fixing element.
• the coupling device can have at least one fixing element.
• the cardiac assistance system includes a housing having an engine compartment, a motor disposed in the engine compartment, at least one sensor, a sensor lead electrically connected to the at least one sensor, a connection cord for externally contacting the cardiac assist system, and an embodiment of the present invention aforementioned motor housing module as part of the housing on.
• the motor and the at least one sensor are electrically connected to the connection cable by means of the motor housing module.
• the cardiac assist system can be a ventricular cardiac assist system, in particular a left ventricular cardiac assist system.
• the heart assist system may include, for example, an electric motor or an electrically operated motor-clutch pump unit.
• the sensor can be arranged, for example, on the pump head and additionally or alternatively on the motor housing module.
• the sensor may for example be a pressure sensor or a sensor for measuring the blood flow direction.
• the cardiac assist system may be cylindrical and have a diameter that is less than the human aorta, eg, 5 to 12 millimeters.
• the cardiac assist system has a motor, an engine compartment, at least one sensor, a sensor cable electrically connected to the at least one sensor, and a connection cable for external contacting of the cardiac assist system.
• the method comprises a step of providing, a step of manufacturing, a step of contacting, and a step of generating.
• An embodiment of the above motor housing module is provided.
• an electrically conductive connection is made between the at least one feedthrough line of the motor housing module and the motor of the cardiac assist system.
• a material bond is created between the engine housing module and the cardiac assist system to seal the engine compartment of the cardiac assist system.
• the at least one contact pin of the motor housing module is contacted with the sensor line of the cardiac assist system.
• the cohesive connection can be generated, for example, by welding.
• a sensor cap and additionally or alternatively a connection point cap for covering and protecting an electronic component or an electrically conductive interface of a component of the cardiac assist system can also be mounted after welding.
• the method may further include, in one embodiment, a step of connecting the lead of the cardiac assistance system to the at least one leadthrough and the at least one pin of the motor housing module.
• the connecting step may be done before or after the step of creating. If the step of connecting is performed after the step of generating, the motor housing module may have a passage opening for the connection cable.
• This method can be implemented, for example, in software or hardware or in a mixed form of software and hardware, for example in a control unit.
• a computer program product or computer program with program code which is stored on a machine-readable carrier or storage medium such as a semiconductor memory, a hard disk memory or a hard disk optical memory may be stored and used to carry out, implement and / or control the steps of the method according to one of the embodiments described above, in particular when the program product or program is executed on a computer or a device.
• FIG. 1 is a schematic representation of a Flerzunterstützungssystems according to an embodiment
• FIG. 2 is a schematic representation of a motor housing module according to an embodiment
• FIG. 3 is a schematic representation of a motor housing module according to an embodiment
• FIG. 4 is a schematic representation of a motor housing module according to an embodiment
• FIG. 5 shows a schematic representation of a sensor line section of a motor housing module according to an exemplary embodiment
• FIG. 6 shows a schematic illustration of a cap element for a motor housing module according to an exemplary embodiment
• FIG. 7 shows a schematic representation of a motor housing module according to an exemplary embodiment
• 8 shows a schematic representation of a motor housing module according to an exemplary embodiment
• FIG. 9 is a flowchart of a method for mounting a scarf zunterstützungssystems according to an embodiment.
• FIG. 1 shows a schematic representation of a Flerzunterstweilungssystems 100 according to an embodiment. It is shown a side view of Flerzun- support system 100, which is exemplified here as left ventricular Flerzunterstweilungssystems 100 executed.
• the Flerzunterstweilsys- system 100 has a housing 105.
• the Flerzunterstweilungssystem 100 includes a motor housing module 1 10. From the housing 105 and the motor housing module 1 10 an engine compartment 1 12 is closed. In the engine compartment 1 12, a motor 1 15 is arranged.
• At least one sensor 120 is arranged in a sensor module on one head side of the Flerzunterstweilungssystems 100.
• the sensor 120 is electrically connected to a sensor line 125.
• the sensor line 125 is guided here by way of example via the housing 105 to the motor housing module 1 10, it may also at least partially extend within the housing 105 or spi ralförmig be performed on the housing 105.
• the sensor 120 may be, for example, a pressure sensor or a flow sensor for measuring blood flow, for example by means of ultrasound or laser.
• the Flerzunterstützungs- system 100 On the side of the motor housing module 1 10 facing away from the engine compartment 1 12, the Flerzunterstützungs- system 100 has a connection cable 130 for external contacting of the Flerzun- terstützungssystems 100 on.
• the motor housing module 1 10 can be referred to as electrical cal connecting element:
• the motor 1 15 and the at least one sensor 120 are electrically connected to the connection cable 130 by means of the motor housing module 1 10.
• the motor housing module 1 10, also called engine backend, is designed to hermetically close the engine compartment 1 12 and thus seal fluid-tight.
• the motor housing module 1 10 is designed to establish an electrical connection between the hermetically sealed motor interior of the motor 15 and the surroundings of the cardiac assist system 100.
• the motor housing module 10 performs the tasks of combining the sensor line 125, the electrical Signals from a pump head 135 of the heart assist system 100 leads to the motor housing module 1 10, with the connection cable 130, which continues the sensor signals and supplies the motor with electrical energy.
• connection cable 130 also called a supply cable.
• the cardiac assistance system 100 may be connected to another component, such as an energy source, a data processing device or a control device.
• the cardiac assist system 100 has a cylindrical, elongated configuration with a substantially constant outer diameter and rounded, tapered ends for easy placement by means of a catheter in a blood vessel, such as the aorta.
• the motor housing module 1 10 has the shape of a truncated cone. It has a conical shape, with a base area in the direction of the engine compartment 1 12, which corresponds to the outer diameter of the heart support system 100, and with a smaller top surface as a transition to the connecting cable 130.
• the motor housing module 1 10 corresponds or resembles the motor housing module 1 10 of FIG. 1. Shown is a cross section of a side view of the motor housing module 1 10.
• the motor housing module 110 has at least one feedthrough section 205 for establishing an electrical connection between the cardiac support system and a connection cable for external contacting of the cardiac assist system.
• the motor housing module 10 has at least one feedthrough line 210 embedded in the feedthrough section 205 and extending through the feedthrough section 205.
• the feedthrough line 210 can be connected to the motor and to the connection cable of the cardiac assistance system.
• the motor housing module 10 further has at least one contact pin 215.
• a first end of the contact pin 215 is embedded in the lead-through section 205, and a second end projects out of the lead-through section 205 on a side facing away from the engine compartment.
• the second end of the contact pin 215 can be connected to a sensor line to at least one sensor of the heart support system and to the connection cable.
• the leadthrough section 205 can have at least one through opening 225 filled with an electrically insulating material for embedding the at least one leadthrough line 210 and at least one blind hole 230 filled with an electrically insulating material for embedding the at least one contact pin 215.
• One of the blind holes may also be conductive, for example filled with electrically conductive adhesive, in order to establish an electrical connection between the motor housing and a conductor of the connecting cable. This can be the example of the electrical shielding of motor and connecting cable NEN.
• the passage portion 205 is formed of titanium, for example.
• the passage opening 225 and the two blind holes 230 shown are formed in the lead-through section 205 and, for example, filled with glass as an electrically insulating material.
• the blind holes 230 can also be referred to as blind glass feedthroughs since they are not are led into the interior of the hermetically sealed motor.
• the feedthrough line 210 which can be realized as a feedthrough pin or pin, is used for making electrical contact with the motor.
• the contact pins 215, also called blind pins, are used for rewiring the sensor line.
• the feedthrough line 210 and the at least one contact pin 215 are formed from an electrically conductive material, for example from a metal such as an iron-nickel-cobalt alloy with a low coefficient of thermal expansion or like stainless steel.
• the at least one leadthrough line 210 and / or the at least one contact pin 215 can have a cylindrical shape, as shown here by way of example in the leadthrough line 210 and the upper of the two contact pins 215, ie as straight pins.
• the feedthrough line 210 and / or the at least one contact pin 215 may alternatively also be shaped like a cup, as shown by way of example in the lower of the two contact pins 215.
• connection of the connection cable can be, for example, by directly soldering, gluing, crimping or welding the connection cable leads to the leadthrough line 210 and / or the contact pin 215 or using a sleeve or a plug done.
• the feedthrough line 210 and / or the at least one contact pin 215 are formed in a cup shape, the cable connection with the connection cable can be realized by inserting the strands into the cup. A fixation can be done by soldering, gluing, crimping or welding.
• the motor housing module 110 is designed in two parts according to the embodiment shown in FIG. 2, with a body 220 and the lead-through section 205, which is formed for example as a so-called glass feedthrough component.
• the two-part design of the motor housing module 1 10 is advantageous in terms of production technology.
• the electrical contacting of the motor and the sensor line with the feedthrough section 205 can in this case in the interior of the motor housing module 1 10, hereinafter also Called backend, are possible, with motor strands can be soldered, for example, to the feedthrough section 205.
• An advantage of the two-part design of the motor housing module 1 10 is that for the feedthrough section 205 on a standard glass feedthrough, a standard glass feedthrough, can be used, which then example, by laser welding, sintering or encapsulation with hermetically the body 220 designed as a milled part can be combined, the body having further features, such as the integration of clamps as fixing element of the coupling device and a sensor recess in the form of the sensor groove, as described for example with reference to FIG.
• the two-part embodiment of the motor housing module 110 is also advantageous in terms of assembly since, for example, the following production sequence can be realized: contacting the lead-through section 205 with the motor interior, connecting the lead-through section 205 to the body 220, for example by sliding the body 220 via the feedthrough section 205, welding the body 220 to the motor housing 1 12, welding the body 220 to the feedthrough section 205, establishing electrical connection of the sensor cable to the contact pins 215 and contacting the connecting cable with the feedthrough line 210 and
• the assembly of a cap element as shown in FIG. 6 as a protective cap with potting can then take place.
• the two-part embodiment of the motor housing module 1 10 can be realized by a combination of a milled part as a body 220 for producing the corresponding geometry with advantageous mechanical robustness and strength and by a lead-through section 205 with classic glass lead-throughs.
• the body 220 as milled part may advantageously be formed of titanium, in order to be able to weld the motor housing module 110 particularly simply and efficiently to a motor housing 12 of the motor 15, which for example may also be made of titanium. In this way, a hermetically sealed connection between the body 220 and the motor housing 112 can be made fluid tight to the engine compartment seal.
• FIG. 2 thus shows a back-end or motor housing module 110 with dummy pins for rewiring in the form of the two contact pins 215 shown as examples in the blind holes 230.
• FIG. 3 shows a schematic representation of a motor housing module 110 according to one exemplary embodiment. Shown is a side view of the motor housing module 1 10 with the body 220 and the feedthrough section 205, wherein the feedthrough section 205 is formed for embedding the feedthrough line and the at least one contact pin and has, for example, recesses.
• the motor housing module 110 also referred to as pump backend, has a cylindrical shape with a stepped-down plane in the direction of the lead-through section 205.
• a sensor can be placed on this remote level.
• the remote plane may be formed as a trough or as a cavity or as a groove.
• the body 220 correspondingly has a sensor groove 305, in the form of the stepped plane, for receiving at least one electronic component, in particular a sensor and / or a sensor flub.
• an electrically conductive substrate can be arranged in order to realize an electrical contacting of an electronic component accommodated in the sensor groove 305.
• the substrate may be formed, for example, in order to connect the electronic component accommodated in the sensor groove 305 to electrically conductive pins of the back end, that is to say to the at least one contact pin embedded in the leadthrough section 205.
• the substrate is a flexible one Thin film substrate. According to the embodiment shown in the following FIG. 4, the substrate may also be part of the sensor line or of a sensor line section.
• the motor housing module 110 may have a coupling device for coupling an insertion device to the cardiac assist system, as shown in FIG. 8.
• the motor housing module 1 10 may optionally have a fit for connecting a cap member as shown in Fig. 6 as a protective cap or as a kink protection grommet.
• the cap member may be formed, for example, to cover the sensor groove 305 and the passage portion 205.
• the body 220 may be formed of the same material as the motor of the cardiac assist system to produce a hermetic weld between the motor and the back end in the form of the motor housing module 110.
• a solid connection for example by ultrasonic welding or molding of a polymer is also possible, as well as sintering processes and glazing processes of ceramic components, when the motor housing module 1 10, for example, ceramic components.
• the leadthrough section 205 is significant, which can realize both an electrical feedthrough into the hermetically sealed interior and a rewiring for the sensor line.
• a production of the motor housing module 110 from a part dispenses with a weld seam and requires correspondingly shaped glass passages for the lead-through section 205.
• FIG 4 shows a schematic representation of a motor housing module 110 according to an exemplary embodiment.
• a side view of the motor housing module 1 10 connected to the engine compartment 12 of the cardiac assist system is shown, of which only one proximal portion of the cylindrical cardiac assist system comprising the cardiac assist system Engine compartment 1 12 includes, is shown.
• the motor housing module 1 10 has on the engine compartment 1 12 side facing the same diameter and the same material as the engine compartment 1 12.
• the motor housing module 1 10 conically tapered to create space for the placement of sensors.
• the sensor line 125 is guided along the longitudinal axis of the cardiac support system 100 in the form of a band on the housing of the cardiac assist system via the motor space 12 to the motor housing module 110.
• the motor housing module 10 according to the exemplary embodiment shown here comprises a sensor line section 405 of the sensor line 125.
• the sensor line section 405 has a sensor carrier 410 in the region of the sensor slot 305 for connecting the at least one electronic component.
• the sensor carrier 410 can also be understood as a section, for example a planar region of the motor housing module 110.
• the sensor line section 405 is formed, for example, for integrating a sensor in the sensor groove 305.
• the sensor line 125 and the sensor line section 405 may be formed of an electrically conductive flexible thin film substrate.
• the sensor groove 305 is here formed in a band around the motor housing module 1 10 around the circumference.
• the sensor line section 405 is connected to the sensor line 125 and extends in part along the sensor groove 305 around a section of the lateral surface of the motor housing module 110, the sensor line section 405 being expanded in this area to form a configuration of a plurality of sensor carriers 410 for connecting a plurality of electronic components on the sensor line section 405 along the sensor groove 305 as shown in the following FIG. 5.
• the shaping of the sensor groove 305 may be carried out according to the embodiment shown here, in order to allow both the cable routing of the sensor line 125 in the described section of the sensor line section 405, and the sensor integration on the sensor line section 405 in FIG Sensor groove 305 to allow.
• the sensor line section 405 extends in the direction of the feed-through section 205 from the sensor groove 305 to the cross-sectional area of the feedthrough section 205.
• the sensor line section 405 has a contact section 415.
• the contact section 415 is arranged on a side of the leadthrough section 205 facing away from the engine compartment 1 12.
• the contact portion 415 is at least partially disposed on the feedthrough portion 205.
• the contact portion 415 may be O-shaped or U-shaped.
• the contact section 415 extends, for example, over a majority of the cross-sectional area of the lead-through section 205.
• the contact section 415 has recesses in the area of the passage opening and / or the blind holes.
• the sensor line section 405 may have an exposed, electrically contactable region in the form of an electrically conductive contact surface 510, which adjoins the at least one contact pin 215 embedded in the leadthrough region 205.
• the contact section 415 has a semicircular recess 510 adjacent to the contact pins per contact pin 215.
• the sensor line section 405, and thus the sensor line 125 is electrically connected to the contact pins 215 in the pressure guide section 205 of the motor module housing 110 via the contact section 415.
• This embodiment of the connection can also be referred to as connection of the sensor flex also referred to as flexible sensor line 125 to the dummy pins in the form of the contact pins 215.
• the sensor line section 405 is here exemplified as a thin-film substrate for contacting the dummy pins in the form of the contact pins and for integrating additional sensors of the cardiac assist system on the motor housing module executed and shown in a plan as unfolding.
• the embodiment of the sensor line section 405 shown here is suitable for contacting the sensor line to the motor housing module and enables sensor integration on the sensor line section 405.
• the configuration of the sensor line section 405 substantially corresponds to the sensor line section described in FIG. 4 405, with the extension of the sensor line section 405 in a circumferential around the motor housing module gate which corresponds to the sensor groove.
• the contact section 415 additionally has an O-shaped cutout 505, through which the feedthrough line can be made when the contact section 415 rests on the leadthrough section 205.
• the contact section 415 has at least one contact surface 510 for connection to the at least one contact pin.
• the at least one contact surface 510 is formed to at least partially enclose the at least one contact pin.
• the contact surface 510 may also be referred to as a contact pad.
• the contact section 415 has, for example, four contact surfaces 510 in order to electrically connect four contact pins embedded in the leadthrough section to the sensor line section 405.
• the contact surfaces 510 may have a semicircular or elliptical shape in order to at least partially enclose a contact pin for making electrical contact with the sensor line section 405.
• the shape of the motor housing module and the sensor line are matched to one another, for example, by the shape of the sensor line section 405 such that the contact pads 510 surround the contact pins of the motor housing module.
• the contact pads 510 have for this purpose an exposed, electrically contactable area.
• An electrical contact can be made example by solder or adhesive.
• the contacting of the Feedthrough line for connecting the motor can be made in the same way as contacting the contact pins with the sensors, or the contact section 415 has, as shown here, the recess 505 in an O or U shape, so that a connection of the feedthrough line to the connecting cable without Contact with the contact portion 415 of the sensor line section 405 is possible.
• the arrangement of the contact section 415 on the feedthrough section, and thus the contacting of the sensor line to the dummy pins of the Motorgekoru- semoduls, can take place in the production process, for example by folding the sensor line section 405 on the feedthrough section and a subsequent production of the electrical connections.
• Additional troughs in the sensor groove of the motor housing module can be used to create additional installation space for accommodating electronic components such as sensors in the sensor groove, in particular if the sensor line section 405 has a plurality of sensor supports 410 as shown here. Components received in the sensor groove can additionally be mechanically protected by a cap element.
• An electronic component accommodated on the sensor line section 405 in the sensor slot of the motor housing module can have a sensor hub according to an exemplary embodiment.
• the sensor hub is designed to process at least one sensor signal of the at least one sensor of the cardiac support system. Additionally or alternatively, the sensor hub is designed to provide at least one sensor signal via the at least one contact pin to the connecting cable.
• the integration of a sensor hub enables preprocessing of sensor data as well as the translation of the data interfaces.
• calibration and operating parameters such as identification information from the cardiac assist system or recorded sensors, may be stored on the cardiac assistance system via the sensor hub and provided to a connected controller via the connection cable, for example via a communication bus in the connection cable. That way that can Control unit can be parameterized with motor data, for example.
• the sensor hub can be used to pre-process sensor data from sensors in the cardiac assist system, such as the pump. To aggregate, filter, or calibrate, and to translate the sensors' communication protocol to a more robust communication protocol (transceiver) and to add artificial redundancy or checksums.
• sensors in the cardiac assist system such as the pump.
• FIG. 6 shows a schematic illustration of a cap element 605 for a motor housing module according to an exemplary embodiment.
• the cap member 605 is provided for use with the motor housing module of any of the figures shown herein.
• the cap member 605 is configured to cover electronic components of a motor housing module as described with reference to FIG. 3.
• the cap member 605 can thus be used as a mechanical protection of the motor housing module.
• a side view of the cap member 605 in a one-piece embodiment is shown.
• the cap member 605 has in the direction of the engine compartment at least one recess 610 as a sensitive measuring window for one of the sensors 120/410/710.
• the sensor may, for example, be a pressure sensor, so that the measurement window 610 is to be placed over the pressure-sensitive membrane of the pressure sensor so that the blood pressure of the surrounding blood can act on the pressure sensor unhindered.
• Adjacent to the recess 610, the cap member has the sensor cap 615.
• the sensor cap is shaped to fit a sensor groove, e.g. B. the sensor groove described in Fig. 3, which is exemplified as a stepped plane of the cylin derförmigen body of the motor housing module, cover.
• the sensor cap can be shaped accordingly to cover this region.
• the sensor cap 615 includes a conically shaped in the manner of an arrowhead terminal cap 620 having an opening 625 for passing the connection cable.
• the cap element 605 thus has the sensor cap 615 for covering the at least one electronic component accommodated in the sensor slot.
• the cap member 605 has the optional terminal cap 620 for covering a terminal between the feedthrough portion and the terminal cable.
• the sensor cap 615 and the junction cap 620 can, as shown here, be combined as a one-piece component and designed as a cap element 605.
• the sensor cap 615 and the junction cap 620 may each be made separate as a separate component.
• the sensor cap 615 in this case may be, for example, a metallic cap which is fixed by gluing.
• the connection point cap 620 may, for example, be designed to be flexible in order to enable not only mechanical protection but also anti-kinking and strain relief.
• the cap member 605 may be filled, for example, with a potting compound, such as a silicone or epoxy resin, to protect sensors and pads from corrosion and conductive liquids.
• FIG. 7 shows a schematic illustration of a motor housing module 110 according to one exemplary embodiment.
• the motor housing module 110 corresponds or resembles the motor housing module from one of the above-described figures.
• the side view shows, as a section of the mounted cylindrical Flerzunterstützungssystems the engine compartment 112 with an engine compartment housing 705.
• the motor housing module 110 is connected to the engine compartment housing 705 and has in the direction of the engine compartment 112 a circumferential trough as the sensor groove 305 on.
• a sensor 710 is integrated on the sensor line section 405 as an electronic component by way of example. To illustrate the possibility of the sensor 710 under
• the motor housing module 1 10 has on the side facing away from the engine compartment 1 12 side, the lead-through portion 205 from which four contact pins 215 protrude, for example.
• FIG. 8 shows a schematic illustration of a motor housing module 110 according to one exemplary embodiment.
• the motor housing module 1 10 is shown here in a plan view.
• the body 220 is realized as a titanium part.
• the sensor line section 405 is guided from the direction of the engine compartment into the sensor groove 305.
• the sensor line section 405 is here exemplarily formed as a thin-film substrate.
• the body 220 in the form of a milled titanium part has a stepped-down plane as the sensor groove 305.
• the sensor line section 405 expands in the area of the sensor groove 305 and, as a thin layer, almost completely fills a lower area of the base surface of the sensor slot 305.
• a sensor carrier 410 on which an electronic component 805 is added by way of example.
• the motor housing module 1 10 has a coupling device for coupling an insertion device for introducing the Flerzunterstützungssystems to the motor housing module 1 10, in particular wherein the coupling device has at least one fixing element 810.
• the fixing element 810 can serve for the positive connection of a clamp element, a so-called clamp.
• the body 220 as titanium part has here, for example, three round fixing elements 810 as a coupling device.
• the fixing elements 810 can additionally or alternatively also be used for fixing a cap element for covering an electronic component 805 or an electrical connection point of the motor housing module 110, the fixing elements 810 then serve as a fit for attaching the cap element.
• the exemplary embodiment of the motor housing module 110 shown here has the body 220 and the lead-through section 205 realized as a so-called glass feedthrough.
• three feedthrough lines 210 for electrically connecting the motor of the cardiac assist system to the connection cable are embedded in the leadthrough section 205.
• eight U-shaped arranged contact pins 215 are embedded in the lead-through section 205 by way of example.
• the contact pins 215 are arranged substantially uniformly spaced.
• the sensor line portion 405 tapers in the direction of the feedthrough portion 205 out of the sensor groove 305 and forms the O-shaped contact portion 415.
• the contact portion 415 has a semicircular contact surface adjacent to the contact pins 215 for electrically connecting the contact pins 215 to the sensor line portion 405.
• the connection cable can be connected to the feed-through line 210 and to the contact pins 215 for external contacting of the cardiac assistance system by means of the motor housing module 110.
• the heart assistance system has a motor, an engine compartment, at least one sensor, a sensor line electrically connected to the at least one sensor, and a connection cable for external contacting of the cardiac assistance system.
• the method 900 comprises a step 901 of providing, a step 903 of the production, a step 905 of the contacting and a step 907 of the generation.
• a motor housing module is provided.
• the motor housing module corresponds or resembles the motor housing module from one of the above-described figures.
• an electrically conductive connection is established between the at least one feedthrough line of the motor housing module and the motor of the cardiac assist system.
• step 905 of creating a material connection is created between the motor housing module and the cardiac assist system to to seal the engine compartment of the cardiac assist system.
• step 907 of contacting the at least one contact pin of the motor housing module is contacted with the sensor line of the cardiac assist system.
• a sensor cap and / or a junction cap may be mounted to cover and protect an electronic component or an electrically conductive interface of a component of the cardiac assist system.
• the method 900 optionally comprises a step 909 of connecting the connection cable of the cardiac assist system to the at least one leadthrough and the at least one contact pin of the motor housing module.
• the step 909 of connecting is executable before or after the step 907 of generating.
• an exemplary embodiment comprises a "and / or" link between a first feature and a second feature, this is to be read such that According to one embodiment, the exemplary embodiment has both the first feature and the second feature and, according to a further embodiment, either only the first feature or only the second feature.

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