Carl Zeiss Meditec has been granted a patent for an ultrasonic surgical handpiece with a motor creating a standing wave along the central axis, allowing precise engagement with biological tissue. The handpiece’s torsional motion is controlled by the alternating pattern of nodes and anti-nodes. GlobalData’s report on Carl Zeiss Meditec 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 Carl Zeiss Meditec, was a key innovation area identified from patents. Carl Zeiss Meditec's grant share as of February 2024 was 75%. Grant share is based on the ratio of number of grants to total number of patents.
Ultrasonic surgical handpiece with standing wave for tissue engagement
A recently granted patent (Publication Number: US11918245B2) discloses a novel surgical handpiece designed to perform precise surgical procedures. The handpiece comprises a motor with a torsional transducer assembly along its central axis, allowing for connection to a power source. The motor generates a standing wave along the central axis in response to electrical current and voltage, resulting in torsional motion at the working plane of a detachable surgical attachment. This standing wave pattern includes nodes and anti-nodes, with the position of the anti-nodes aligning with the working plane, ensuring accurate tissue engagement.
The patent also details the configuration of the torsional transducer assembly, which includes multiple torsional transducers designed to operate as a full-wavelength resonator along the central axis. Each torsional transducer is equipped with a surface roughness for acoustic contact with adjacent transducers, enhancing the efficiency of the standing wave generation. Additionally, the surgical attachment features an angled adaptor and an ultrasonic tip positioned strategically to correspond with nodes and anti-nodes of the standing wave, optimizing the transmission of torsional motion for precise surgical procedures. The handpiece further includes a connector block and an amplifier aligned along the central axis, enhancing the overall functionality of the device for surgical applications.
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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 across the world’s largest industries.
