NPWT Pump Assembly Shielding for EMI and ESD Reliability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing negative pressure wound therapy systems face challenges in operating effectively under non-ideal environmental conditions such as high temperature, high altitude, electromagnetic radiation, and electrostatic discharge, which can lead to malfunctions and safety risks.
Innovation Solution
The pump assembly is designed with enhanced tolerance to environmental conditions, incorporating features like electromagnetic interference shielding, electrostatic discharge protection, and robust electronic components to ensure reliable operation in challenging environments, while maintaining wireless communication capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the pump assembly incorporates electromagnetic interference shielding and electrostatic discharge protection, then reliability under environmental stress is improved, but device complexity increases
Solution Approach 1:
The pump assembly incorporates electromagnetic interference shielding and electrostatic discharge protection features before environmental stress occurs, cushioning the electronic components against potential damage from high temperature, high altitude, electromagnetic radiation, and electrostatic discharge conditions
Solution Approach 2:
Electromagnetic interference shielding acts as an intermediary between external electromagnetic radiation and the pump assembly's electronic components, blocking harmful electromagnetic signals while allowing the device to maintain wireless communication capabilities through controlled interfaces
2Reliability
If robust electronic components are used to withstand environmental conditions, then reliability is improved, but manufacturing cost increases
Solution Approach 1:
The electronic components are selected and designed to operate within specific parameter ranges that accommodate environmental variations in temperature, pressure, and electromagnetic exposure, allowing standard components to withstand extreme conditions without requiring specialized expensive parts
3Reliability
If electromagnetic interference shielding is added to protect wireless communication, then reliability is improved, but signal transmission quality may deteriorate
Solution Approach 1:
Electromagnetic interference shielding is applied selectively to specific areas of the pump assembly where electronic components are most vulnerable, while maintaining open pathways and antennas for wireless communication, thus protecting critical components without blocking signal transmission
Data Source
AI summary
Embodiments of negative pressure wound therapy systems and methods are disclosed. In one embodiment, an apparatus includes a housing, a negative pressure source, a canister, an antenna, and one or more controllers. The negative pressure source can provide negative pressure via a fluid flow path to a wound dressing. The canister can be positioned in the fluid flow path and collect fluid removed from the wound dressing. The antenna can be supported by the housing and wirelessly communicate with an electronic device. The antenna can be oriented in the housing to face downward toward the ground when the negative pressure source is providing negative pressure. The one or more controllers can activate and deactivate the negative pressure source and transmit first data to the electronic device using the antenna or receive second data from the electronic device using the antenna.