Heraeus has been granted a patent for a bi- or multipolar lead for a medical device. The lead includes a cable with conducting channels and ring electrodes that are selectively connected to the conductor of the conducting channels. This design allows for improved functionality and precision in medical devices. GlobalData’s report on Heraeus gives a 360-degree view of the company including its patenting strategy. Buy the report here.
According to GlobalData’s company profile on Heraeus, Ceramic membrane fuel cells was a key innovation area identified from patents. Heraeus's grant share as of September 2023 was 51%. Grant share is based on the ratio of number of grants to total number of patents.
Patent granted for a bi- or multipolar lead for a medical device
A recently granted patent (Publication Number: US11771890B2) describes a bi- or multipolar lead for a medical device. The lead consists of a cable with an outer insulation and an inner lumen, as well as conducting channels and ring electrodes. The cable has multiple first openings near its distal end, and the conducting channels are arranged between the outer insulation and the inner lumen. Each conducting channel is formed by at least one insulated conductor with a conductor and an insulation layer, and the insulation layer has a second opening aligned with one of the first openings. The ring electrodes surround the cable at the position of the aligned first and second openings and are directly and selectively connected to the conductor of the insulated conductor through these openings.
In the case of a multipolar lead, the cable has at least four first openings and four conducting channels, with each conducting channel having an insulated conductor with a second opening aligned with one of the first openings. The lead also includes at least four ring electrodes that surround the cable at the position of the aligned first and second openings.
The conducting channels can be formed by two or more insulated conductors arranged adjacent to each other, with the second openings of the insulation layers aligned with the first openings. Each ring electrode is selectively connected to the conductors of the insulated conductors in one of the conducting channels.
The lead can have the same number of ring electrodes near the proximal end as it does near the distal end, with each ring electrode near the proximal end in communication with one near the distal end through a conducting channel.
The outer insulation of the cable and the ring electrodes have specific dimensions, such as outer diameter, wall thickness, and length, within certain ranges.
The conductor of the insulated conductor and the ring electrodes can be made of various metals or composite materials.
The ring electrodes can have indentations extending radially inwards from the ring electrode through the aligned first and second openings, and they are connected to the conductor of the insulated conductor through these indentations.
The first openings can be circumferential openings of the outer insulation, surrounded by the ring electrodes, or they can be surrounded by a circumferential recess in the outer insulation, with the ring electrodes embedded into the recess.
In summary, this patent describes a bi- or multipolar lead for a medical device that includes a cable, conducting channels, and ring electrodes. The lead allows for selective and direct connection between the ring electrodes and the conductors of the conducting channels, providing improved functionality and performance for medical devices.
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