Implant Component Antenna for Bidirectional Wireless Communication
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Solution Overview
Problem
Existing joint implant systems face challenges in providing continuous and real-time data without requiring antenna micro-machining or separate antenna component fabrication, which complicates the integration of wireless communication systems with bone fixation devices or orthopaedic components.
Innovation Solution
The system uses an implant component with a metal surface as an antenna, electrically coupled to a wireless communication module, allowing it to operate as a dipole or monopole antenna, eliminating the need for separate antenna fabrication and enabling wireless communication between the implant and external devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a separate antenna component is used for wireless communication, then wireless communication capability is achieved, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The implantable medical device housing is designed to serve dual functions: as the enclosure for electronic components and as the antenna for wireless communication. The conductive housing structure replaces the need for a separate antenna component, thereby reducing device complexity while maintaining wireless communication capability.
Solution Approach 2:
The implantable device housing is transformed into a multi-functional component that simultaneously provides structural enclosure and electromagnetic radiation functions. This universal design allows the same component to fulfill both protective and communication roles, eliminating the need for additional dedicated antenna parts.
2Measurement precision
If antenna micro-machining is performed, then wireless communication precision is improved, but manufacturing complexity and time increase
Solution Approach 1:
The housing fabrication process is integrated with antenna formation by designing the housing itself as the antenna structure. Standard housing manufacturing techniques produce both the enclosure and the radiating element simultaneously, eliminating the need for separate micro-machining operations and reducing manufacturing complexity.
Solution Approach 2:
The housing structure inherently provides the antenna function through its conductive properties and geometric design. The housing serves its own purpose as both protective enclosure and communication interface, eliminating the need for additional processing steps to create a separate antenna component.
3Loss of information
If wires extend through the skin for data transmission, then data transmission capability is achieved, but infection risk increases
Solution Approach 1:
The mechanical wire-based data transmission system is replaced with an electromagnetic field-based wireless communication system. The implantable device uses its conductive housing as an antenna to transmit data through electromagnetic radiation, eliminating the need for percutaneous wires and associated infection risks.
Solution Approach 2:
Electromagnetic waves serve as an intermediary medium for data transmission between the implantable device and external systems. This intermediary approach allows information exchange without direct physical connection through the skin, thereby eliminating the infection pathway associated with wire extensions.
4Measurement precision
If radiographic imaging is used to obtain implant data, then implant placement information is obtained, but real-time continuous monitoring is not achieved
Solution Approach 1:
The implantable device incorporates continuous wireless transmission of operational and sensor data through its antenna housing. This enables uninterrupted real-time monitoring of implant performance and patient parameters, replacing intermittent radiographic imaging with continuous data streams.
Solution Approach 2:
Wireless electromagnetic communication serves as an intermediary that continuously bridges the implantable device and external monitoring systems. This intermediary enables real-time data exchange without requiring repeated invasive imaging procedures, providing both accuracy and temporal continuity.
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 provides continuous and real-time data transmission without the need for antenna micro-machining or separate fabrication, enhancing the evaluation of joint replacement surgeries by allowing for variable tuning and identification of implant systems based on received frequencies.
Implementation Method 1
a wireless communication module electrically coupled to the implant component so that a length of the implant component operates as an antenna
Data Source
AI summary
A system and method enables data to be communicated from a position within a human body to an external data device. The system includes a wireless communication module that is electrically coupled to an implant component having a metal surface so that the implant component operates as an antenna in response to the application of a modulated carrier wave being applied to the implant component. The wireless communication module may be coupled to the implant component so that the implant component operates as a monopole or dipole antenna. When the monopole configuration is used, the system further includes a ground plane so that the electromagnetic field emitted by the implant component is reflected and the emitted and reflected fields resemble the emitted field of a dipole antenna for the carrier frequency.