Modular Sensor Processor for Biopotential Acquisition
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Solution Overview
Problem
Existing biopotential detection devices require separate signal processors for each electrode pad, leading to increased operational costs due to the need for multiple processor units for various physiological information acquisition modes.
Innovation Solution
A modular sensor system comprising a processor module that can be attached to and detached from a sensor housing with a battery housing member, allowing the same processor module to be used across different sensor configurations for various physiological information acquisition modes, reducing the need for multiple processor units.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a separate signal processor is used for each electrode pad to support different physiological information acquisition modes, then the device can achieve various measurement functions, but the operational cost increases due to the need for multiple processor units
Solution Approach 1:
The patent implements a universal processor module that can be attached to different electrode pads through a standardized interface. This single processor module supports multiple physiological information acquisition modes (ECG, EEG, EMG, etc.) by configuring different electrode combinations, eliminating the need for separate processor units for each measurement type and reducing operational costs.
Solution Approach 2:
The device is divided into separable components: a reusable processor module and disposable electrode pads. The processor module contains the signal processing circuitry and can be detached and reattached to different electrode pads, allowing the expensive processor to be shared across multiple measurement configurations while the inexpensive electrode pads are replaced as needed.
2Device complexity
If the processor module is integrated into the sensor housing, then the device structure is simplified, but the adaptability to different physiological information acquisition modes is reduced
Solution Approach 1:
The processor module is designed with a dynamic attachment mechanism that allows it to be connected to or disconnected from the sensor housing as needed. This dynamic configuration enables the system to switch between integrated and modular modes, providing both structural simplicity when integrated and adaptability when detached for different electrode pad configurations.
Solution Approach 2:
The processor module is designed to nest within the sensor housing when attached, creating a compact integrated structure. When detached, the processor module can be used with different electrode pads. This nested design allows the system to achieve both simplified structure during use and enhanced adaptability when reconfigured.
Data Source
AI summary
A first electrode and a second electrode are attached to a subject. A processor module acquires physiological information of the subject based on biopotential that are detected by the first electrode and the second electrode, respectively. A housing has a battery housing member for housing a primary battery which supplies an electric power to the processor module. The processor module is attachable to and detachable from the housing.