RF Detection Shielding for Flexible Medical Housing
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Solution Overview
Problem
In medical apparatuses, the arrangement of radio-frequency detection devices is hindered by the need for the aerial, often in the shape of a loop, to be positioned near the detection range, limiting flexibility within the housing and exposing components to user contact.
Innovation Solution
A radio-frequency detection device with a transmitter surrounded by an electrically conductive shielding allows the aerial to be placed inside the housing, independently of the transmitter, and can be integrated into the housing structure, such as on the inner surface or within the housing walls, enabling flexible placement and protection from mechanical influences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the aerial is arranged near the detection range for radio-frequency marking detection, then the detection function is improved, but the flexibility of component arrangement within the housing is limited
Solution Approach 1:
The patent divides the radio-frequency detection device into two functionally independent parts: the transmitter (with shielding) and the aerial. This segmentation allows each component to be optimally positioned - the transmitter can be placed anywhere inside the housing while the aerial is positioned to generate the detection range, thereby resolving the contradiction between detection reliability and arrangement flexibility.
Solution Approach 2:
The aerial is extracted from the transmitter assembly and positioned independently within the housing. This extraction enables the aerial to be placed in the optimal location for generating the magnetic near field detection range, while the transmitter can be positioned separately, thus improving both detection function and arrangement flexibility.
2Ease of operation
If components are exposed for functional access, then ease of operation is improved, but protection against mechanical influences and user contact is reduced
Solution Approach 1:
The transmitter is nested inside the electrically conductive shielding, which is integrated into the housing structure. This nesting provides mechanical protection and electrical shielding while maintaining the functional integrity of the device, resolving the contradiction between operational accessibility and protection against harmful factors.
3Volume of moving object
If the aerial is integrated into the housing structure, then space utilization is improved, but the aerial may be exposed to mechanical stresses
Solution Approach 1:
The aerial is integrated into the housing structure in a nested arrangement where the aerial is positioned within the housing cavity. This integration maximizes space utilization while the housing structure itself provides mechanical protection to the aerial, resolving the contradiction between space efficiency and mechanical durability.
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 configuration allows the radio-frequency detection device to be positioned anywhere within the housing, saving space and protecting components, while the aerial can generate a detection range that includes the housing walls, enhancing the medical apparatus's functionality and user safety.
Implementation Method 1
a radio-frequency detection device with a transmitter and with an at least partially electrically conductive shielding which surrounds at least the transmitter in such a way that electromagnetic radiation generated by the transmitter or a field generated by the transmitter, in particular a magnetic or electromagnetic field, is effectively shielded to the exterior
Implementation Method 2
the aerial of the radio-frequency detection device is designed for the detection of the radio-frequency marking by means of a magnetic near field
Data Source
Figure 1
Figure 2~3
AI summary
The invention relates to a medical apparatus (1) with a housing (2) and with a radio-frequency detection device (3), wherein the radio-frequency detection device (3) is operatively connected to an aerial for the detection of a radio-frequency marking. The invention is characterized in that the radio-frequency detection device (3) comprises a transmitter and an at least partially electrically conductive shielding, which surrounds at least the transmitter in such a way that a field generated by the transmitter is effectively shielded to the exterior and the aerial is arranged inside the housing and outside the shielding.