HANDPIECE ASSEMBLY FOR MEDICAL DEVICE
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United States of America Patent
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Issued Date -
Sep 15, 2022
app pub date -
Jul 30, 2020
filing date -
Aug 9, 2019
priority date (Note) -
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Abstract
A handpiece assembly for a medical device has a handpiece having a handpiece distal portion for receiving an insert assembly including a radiofrequency identifier, an insert antenna and an insert. A handpiece antenna is arranged in the handpiece distal portion. Radiofrequency signal supply means provide radiofrequency signals to the handpiece antenna that communicates with the insert antenna when the insert assembly is inserted in an insertion region in the handpiece distal portion. The handpiece antenna is a loop antenna or segmented ring antenna having at least two segments. A first end of a first segment is connected to a first terminal of the radiofrequency signal supply means, a second end of a last segment is connected to a second terminal of the radiofrequency signal supply means, forming a coil radiating structure generating an electromagnetic field. Each segment has a radiant metal element, with respective inductance, electrically connected to a respective capacitive element. A medical device including a control element, an insert assembly, and the handpiece assembly is also provided.
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