Nihon Kohden has filed a patent for an automated external defibrillator. The device includes a high voltage generator, an outer housing, and a potting material containing an insulating material. The high voltage generator consists of a circuit board and an electronic component. The potting material covers the circuit board and the terminal of the electronic component, fixing the circuit board to the outer housing. GlobalData’s report on Nihon Kohden gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Nihon Kohden, Treatment progress monitoring was a key innovation area identified from patents. Nihon Kohden's grant share as of September 2023 was 58%. Grant share is based on the ratio of number of grants to total number of patents.

Automated external defibrillator with potting material for circuit board

Source: United States Patent and Trademark Office (USPTO). Credit: Nihon Kohden Corp

A recently filed patent (Publication Number: US20230310872A1) describes an automated external defibrillator (AED) with improved design and functionality. The AED includes a high voltage generator that charges or discharges electric energy to deliver an electric shock for defibrillation. The high voltage generator is housed within an outer housing, which defines the exterior of the AED. The high voltage generator consists of a high voltage circuit board and a high voltage electronic component.

One key feature of this AED is the use of a potting material that contains an insulating material. This potting material covers the high voltage circuit board and the terminal of the high voltage electronic component. It is also in contact with both the high voltage circuit board and the outer housing, effectively fixing the high voltage circuit board to the outer housing. The terminal of the high voltage electronic component is completely covered with the potting material, while the electronic component itself is partially exposed.

The high voltage circuit board has a front face, a back face, and a side face. To further enhance the design, a partition plate is included, which faces the side face of the high voltage circuit board and is positioned between the outer housing and the side face of the circuit board. The potting material is in contact with this partition plate, providing additional stability and insulation.

The outer housing of the AED has a specific area where the high voltage generator is housed. The potting material is in contact with the inner wall portion of this area, ensuring a secure and well-insulated environment for the high voltage generator.

The potting material used in this AED is made of a resin containing polybutadiene as the main material. This choice of material provides excellent insulation properties and contributes to the overall safety and reliability of the AED.

Additionally, the high voltage generator includes a relay circuit board that is physically and electrically connected to the high voltage circuit board. A relay electronic component is disposed on the relay circuit board, which is positioned orthogonally to the high voltage circuit board. The potting material partially covers the relay circuit board, further enhancing the stability and insulation of the AED.

Overall, this patent describes an automated external defibrillator with improved design and functionality. The use of a potting material, along with the inclusion of a partition plate and specific housing areas, ensures the secure and well-insulated operation of the high voltage generator. The choice of materials and the design elements contribute to the overall safety and reliability of the AED.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies