NPWT Antenna Board Layout for Reliable Wireless Therapy
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Solution Overview
Problem
Current wound treatment technologies, particularly negative pressure wound therapy (NPWT) systems, face challenges in operating effectively under non-ideal environmental conditions such as high temperature, high altitude, and electromagnetic interference, and require improved tolerance and safety features.
Innovation Solution
The development of a NPWT system with a pump assembly that includes features for enhanced environmental tolerance, such as wireless communication capabilities and a compact design, along with a dual-band cellular antenna for reliable signal transmission and reception, and a user-friendly interface for monitoring and controlling therapy delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an antenna is integrated into the NPWT system housing, then wireless communication capability is improved, but device complexity increases
Solution Approach 1:
The patent integrates the antenna directly into the housing structure of the NPWT system, combining the housing and antenna into a single unified component. This merging approach enables wireless communication capability while avoiding the addition of separate antenna components that would increase device complexity
Solution Approach 2:
The housing serves multiple functions: it provides structural enclosure for the NPWT system and simultaneously acts as the antenna for wireless communication. This multi-functionality eliminates the need for dedicated antenna components, resolving the contradiction between adding wireless capability and increasing device complexity
2Reliability
If a dual-band cellular antenna is used, then signal transmission reliability is improved, but manufacturing complexity increases
Solution Approach 1:
The dual-band cellular antenna is integrated into the housing structure, combining multiple antenna functions into a single component. This approach provides reliable dual-band signal transmission while simplifying manufacturing by eliminating the need to assemble multiple separate antenna components
Solution Approach 2:
The antenna design incorporates dual-band frequency capabilities through specific geometric parameters and configurations embedded in the housing structure. By optimizing the antenna's physical dimensions and material properties during the housing design phase, the patent achieves reliable multi-band communication without adding manufacturing complexity
3Reliability
If the conductive area surface area is increased, then antenna bandwidth is improved, but device volume increases
Solution Approach 1:
The patent optimizes the distribution and configuration of the conductive area within the housing structure, concentrating the conductive material in specific strategic locations rather than uniformly distributing it. This local optimization achieves the required antenna bandwidth while minimizing the overall volume occupied by the conductive elements
Solution Approach 2:
The antenna design utilizes three-dimensional spatial configuration of the conductive area within the housing, employing vertical and lateral dimensions to maximize effective conductive surface area without proportionally increasing the device's external volume. This dimensional optimization allows achieving broader bandwidth within compact form factors
Data Source
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AI summary
Embodiments of negative pressure wound therapy systems and methods are disclosed. In some embodiments, an apparatus includes a housing enclosing a source of negative pressure and a controller configured to operate the source of negative pressure to provide negative pressure wound therapy to a wound. The housing can also include a communications controller configured to wirelessly transmit and receive data using a communications antenna positioned on an antenna board. The antenna board can be mounted to a communications board that include the communications controller. The antenna board can be electrically connected to the communications board via a single connector on the communications board. The antenna's ground plane can be positioned on the communications board.