NFC Needle Tip Structure for RF Handpiece Traceability
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Solution Overview
Problem
Existing needle tips for RF skin beauty treatment devices are not efficiently managed due to their consumable nature, requiring effective inventory, history, and shipment management, and there is a need for unique identification to prevent illegal duplication and ensure proper usage.
Innovation Solution
A needle tip for a handpiece equipped with an NFC chip for contactless wireless communication, allowing for the storage and transmission of unique information, enabling efficient inventory and history management, and ensuring genuine product verification through digital signatures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If an NFC chip is installed in the needle tip, then wireless communication capability and information storage are improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The NFC chip is nested within the needle tip assembly, specifically integrated into the cartridge structure that holds the needle. This allows the communication functionality to be embedded within the existing disposable component without requiring a separate communication module, thereby improving information storage capability while minimizing the increase in device complexity.
Solution Approach 2:
The needle tip is designed to serve multiple functions: it performs the primary skin treatment function through the needle, while simultaneously providing wireless communication and information storage through the integrated NFC chip. This multi-functionality allows a single component to address both treatment and tracking/management needs, improving information capability without proportionally increasing complexity.
2Loss of information
If an NFC chip is installed in the needle tip, then wireless communication and tracking capability are improved, but manufacturing cost increases
Solution Approach 1:
The NFC chip is integrated into the existing cartridge structure that already houses the needle assembly. By nesting the communication chip within the disposable cartridge rather than adding a separate communication module to the handpiece, the manufacturing process leverages existing production lines and assembly procedures, thereby minimizing the increase in manufacturing cost while achieving tracking capability.
Solution Approach 2:
The NFC chip is placed in the disposable needle tip cartridge rather than in the reusable handpiece. This allows the use of cost-effective NFC chip variants suitable for single-use applications, and the chip's cost is amortized across the disposable nature of the cartridge, making the overall solution more cost-effective than integrating expensive, high-performance chips into the permanent handpiece.
3Ease of operation
If the NFC chip is positioned near RF electrodes, then wireless communication function is improved, but electromagnetic interference increases
Solution Approach 1:
The NFC chip is positioned in a specific location on the circuit board where the local electromagnetic environment is more favorable - specifically, areas farther from the high-power RF electrodes and closer to low-power communication antennas. This localized positioning optimizes the electromagnetic conditions for NFC communication while minimizing exposure to harmful RF interference.
Solution Approach 2:
The circuit board serves as an intermediary structure that physically separates the NFC chip from the RF electrodes. The circuit board's material properties and design (including ground planes and shielding structures) act as a mediator to block or attenuate electromagnetic interference from the RF electrodes, allowing the NFC chip to function reliably near the RF components without direct exposure to harmful electromagnetic fields.
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
Facilitates efficient tracking and management of needle tips, prevents illegal duplication, and ensures accurate usage by allowing wireless communication for inventory and shipment management, while improving procedural efficiency and accuracy.
Implementation Method 1
An NFC chip in which information related to the needle tip is stored and which is configured to perform contactless wireless communication with an external NFC terminal is installed in the first substrate
Implementation Method 2
an energy source that is connected to the handpiece and that transmits RF energy to the needle electrode
Data Source
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AI summary
Disclosed is a needle tip structure for a handpiece having an NFC function. The needle tip includes a body mounted at the front end of a handpiece, a first substrate fixed within the body and connected to a plurality of RF supply terminals of the handpiece, a second substrate on which a plurality of micro needles is mounted and movably installed within the body, a holder coupled to a driving shaft of the handpiece through the first substrate and configured to support the second substrate, and a pair of connection pins connected to the second substrate and the first substrate. An NFC chip capable of short-distance wireless communication with an external NFC terminal is installed in the first substrate.