Heart Pump Single Wire Power Data Transfer

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Solution Overview

Problem

Conventional heart pump devices with multiple wires for power supply and data transfer can cause tissue damage and discomfort to patients, and are prone to infection due to the need for a larger puncture site and increased risk of complications.

Innovation Solution

A heart pump device with a single wire for both power supply and data transfer, using coupling interfaces to transmit electrical signals, reducing the number of wires and allowing for complex control through sensor data, patient data, and other information, while minimizing tissue damage and infection risk by using a smaller cross-section line.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If multiple wires are used for power supply and data transfer, then reliable power supply and data transfer are ensured, but tissue damage and infection risk increase

Engineering Contradiction:
Improvepower supply and data transfer reliabilityVSAvoidtissue damage and infection risk
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent combines power supply and data transfer functions into a single wire by using a capacitive coupling interface. The wire serves dual purposes: conducting power while also enabling bidirectional data communication through capacitance coupling, thereby reducing the number of wires needed and minimizing tissue damage and infection risk.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The single wire is designed to perform multiple functions simultaneously: it acts as both a power supply conductor and a data communication channel. The capacitive coupling interface enables the wire to universally handle both energy transmission and information exchange between the controller and the implantable heart pump.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Object-affected harmful factors

If a single wire is used for both power supply and data transfer, then tissue damage and infection risk are reduced, but control complexity and data transfer capability are limited

Engineering Contradiction:
Improvetissue damage and infection riskVSAvoidcontrol complexity
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The capacitive coupling interface acts as an intermediary mechanism that enables complex data transfer and control functions through a single wire. By utilizing capacitance coupling, the system can encode and decode multiple data signals, sensor readings, and control commands without requiring additional wires, thus maintaining control complexity while minimizing physical connections.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Manufacturing precision

If multiple wires are used, then data transfer speed and control precision are improved, but the puncture site size and complication risk increase

Engineering Contradiction:
Improvecontrol precisionVSAvoidpuncture site size
Core Design Contradiction:
Manufacturing precisionVSArea of stationary object

Solution Approach 1:

The patent merges multiple communication channels into a single wire by using capacitive coupling technology. This allows bidirectional data transfer, sensor signal transmission, and control command delivery through one wire, thereby reducing the puncture site size while maintaining control precision through sophisticated signal encoding and processing.

Inventive Principle:
Principle #5Merging (Combining)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The solution enables efficient power supply and data transfer with reduced wire cross-section, minimizing tissue damage and infection risk, while allowing for complex control of the heart pump, improving patient well-being and reducing the risk of complications.

Implementation Method 1

The controller (6) and the heart pump (1) each have a coupling interface (13, 16). Electrical signals can be coupled into the first wire (21) or able to be coupled out of the first wire (21) by way of these coupling interfaces (13, 16) in order to transfer data between the controller (6) and the heart pump (1).

Methodology Applied
Scientific EffectCapacitive coupling: Capacitance

Data Source

PatentUS20200061267A1Heart pump device and operating method for a heart pump device
Publication Date: 2020.02.27 BERLIN HEART GMBH
  • US20200061267A1 patent drawing
  • US20200061267A1 patent drawing
  • US20200061267A1 patent drawing

AI summary

The application relates to a heart pump device and an operating method for a heart pump device. The proposed heart pump device comprises an implantable heart pump and a controller for controlling the heart pump. The controller and the heart pump are connected to one another by way of a line with wires. Moreover, the controller is configured to supply the heart pump with electrical power by way of a first of the wires. Furthermore, the controller and the heart pump each comprise a coupling interface. Here, electrical signals for transferring data between the controller and the heart pump are able to be coupled into the first wire or able to be coupled out of the first wire by way of these coupling interfaces.