Ground-Conducting Protection Strip for Implantable Device Grounding
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Solution Overview
Problem
Existing implantable medical devices, such as cardiac pacemakers, face challenges with space constraints and high costs due to separate ground pins and wiring bands used for electrical connections, which also lead to faulty contacts and complex adjustments.
Innovation Solution
Integrating the ground connection into a protection strip that serves as a conductor, eliminating the need for separate ground pins and wiring bands by using the protection strip to connect the electronic circuit to the housing, allowing for reduced parts, saved installation space, and potential miniaturization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a separate ground pin and wiring band are used to establish electrical contact between the circuit and housing, then reliable electrical connection is achieved, but installation space is consumed and device size increases
Solution Approach 1:
The protection strip is merged with the ground conductor function. The strip serves dual purposes: protecting the circuit from external influences (heat, welding splatter) and providing the electrical ground connection to the housing. This eliminates the need for separate ground pins and wiring bands, saving installation space and reducing the number of components.
Solution Approach 2:
The protection strip is transformed into a multi-functional component. It simultaneously provides physical protection for the circuit and serves as the ground conductor for electrical connection. This universal application resolves the space constraint by making one component perform multiple functions that were previously handled by separate parts.
2Reliability
If separate ground pin and wiring band components are used, then electrical connection is established, but the number of parts increases and costs rise
Solution Approach 1:
The ground pin and wiring band functions are merged into the single protection strip component. This reduces the total number of parts in the assembly and simplifies the overall device structure while maintaining the essential electrical ground connection function.
Solution Approach 2:
The protection strip becomes a universal component that handles both circuit protection and ground connection tasks. This multi-functionality approach reduces device complexity by eliminating the need for multiple specialized components.
3Reliability
If separate wiring bands are used for ground connection, then electrical contact is established, but handling difficulties lead to faulty contacts and require manual correction
Solution Approach 1:
The protection strip is integrated with the circuit board as a single component, eliminating the need for separate wiring band handling. This integration ensures consistent electrical contact without the manual adjustment and correction that plagues separate wiring band assemblies.
Solution Approach 2:
The protection strip automatically provides the ground connection function as part of its structural design. The strip's inherent conductivity and fixed position eliminate the need for manual wiring operations, reducing assembly complexity and improving contact reliability.
4Object-affected harmful factors
If the protection strip is used solely for protection without ground connection function, then circuit protection is provided, but additional space is needed for ground connection components
Solution Approach 1:
The protection strip is designed to perform both protection and ground connection functions simultaneously. This multi-functionality eliminates the need for additional space-consuming ground connection components while maintaining comprehensive circuit protection.
Solution Approach 2:
The protective function and ground conductor function are merged into a single integrated component. This consolidation maximizes the utility of the protection strip while minimizing the space required for overall circuit protection and grounding.
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
This solution reduces the number of components, saves installation space, and simplifies the assembly process, reducing costs and improving reliability by eliminating faulty contact issues, while also protecting the circuit from external influences like heat during welding.
Implementation Method 1
the protection strip forms a ground conductor that is electrically connected to the housing and to a ground connection of the electronic circuit
Implementation Method 2
the housing parts are connected via a welding seam that connects the boundary areas. The welding seam may be formed using laser welding or another suitable technique
Data Source
AI summary
An assembly contains a housing defining an internal space of the assembly, an electronic circuit arranged in the internal space, and a protection strip arranged in the internal space for protecting the electronic circuit against external influences. Accordingly, the protection strip forms a ground conductor that is electrically connected to the housing and to a ground connection of the electronic circuit. Furthermore, a method for producing the assembly is disclosed.