Fresenius Medical Care has been granted a patent for a dialysis machine with a power supply and hydraulics system. The machine includes a power supply cable with a ground wire and a hydraulics grounding cable with a second ground wire. The patent also covers a medical device with a power supply and treatment system that is connected to a patient for medical treatment. GlobalData’s report on Fresenius Medical Care 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 Fresenius Medical Care, Remote monitored dialysis machines was a key innovation area identified from patents. Fresenius Medical Care's grant share as of September 2023 was 52%. Grant share is based on the ratio of number of grants to total number of patents.

Patent granted for a medical device with grounding system

Source: United States Patent and Trademark Office (USPTO). Credit: Fresenius Medical Care AG & Co KGaA

A recently granted patent (Publication Number: US11771808B2) describes a medical device with a unique power supply and treatment system configuration. The device includes a power supply with a power supply cable that has a first ground wire connected to a first ground prong. The treatment system, which is used for medical treatment of patients, includes a grounding cable with a second ground wire connected to a second ground prong.

The patent claims that the first ground prong and wire are electrically isolated from the second ground prong and wire. Additionally, the power supply cable and grounding cable are connected to a combined plug that can be plugged into an AC power outlet. This combined plug includes a line prong, a neutral prong, the first ground prong, and the second ground prong.

The first ground prong and wire are also electrically isolated from the second ground prong and wire. The patent further describes that the first ground prong and wire are in electrical communication with the second ground prong and wire behind a wall plate of an AC power outlet when the combined plug is plugged in.

The medical device also includes a handle on the combined plug to facilitate simultaneous connection of the power supply cable and grounding cable to an AC power outlet. The first ground wire and second ground wire do not share a common insulation, and they form separate grounding connections with their respective ground prongs.

The patent claims that the medical device complies with one or more requirements specified by a standards organization, specifically the International Electrotechnical Commission (IEC) and the requirements specified in IEC 60364-7-710, when the grounding connections are connected to different AC sockets of an AC power outlet.

The device is described as a hemodialysis ("HD") machine, and the power supply cable and grounding cable connect to separate locations on the housing of the device. Additionally, the device may include an adapter that can be used to connect the power supply cable and grounding cable to an AC power outlet.

Overall, this patent describes a medical device with a unique power supply and treatment system configuration that ensures proper grounding and compliance with relevant standards. The device is specifically designed for use in hemodialysis treatment and may include a hydraulic system as part of the treatment system.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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 across the world’s largest industries.