CMR Surgical has been granted a patent for a robotic surgical instrument featuring a shaft, end effector, and articulation with joints for varied orientations. The design includes pairs of driving elements and a resilient barrier that provides opposing force to an additional element, enhancing operational control. GlobalData’s report on CMR Surgical 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 CMR Surgical, Surgical robots was a key innovation area identified from patents. CMR Surgical's grant share as of July 2024 was 42%. Grant share is based on the ratio of number of grants to total number of patents.
Robotic surgical instrument with articulated end effector and resilient barrier
The granted patent US12053232B2 describes a robotic surgical instrument designed to enhance surgical precision and functionality. The instrument features a shaft and an end effector connected by an articulation that allows the end effector to adopt various orientations relative to the shaft's longitudinal axis. Key components include pairs of driving elements that extend through the shaft to the joints of the articulation, and an additional element that also extends through the shaft to the end effector. A notable aspect of the design is a resilient barrier located within the shaft, which provides a resilient force opposing the movement of the additional element while also inhibiting the passage of fluids and insufflation gas through the shaft.
Further claims detail the construction and functionality of the resilient barrier, which is designed to maintain a sealed contact with the shaft's interior wall and can be made from materials such as silicone. The additional element may be a flexible cable that wraps around the articulation's joints when the instrument is in a straight configuration. The patent also outlines configurations for the end effector, including electrosurgical capabilities, where the additional elements are responsible for providing power to different components of the end effector. Overall, the patent presents a comprehensive design aimed at improving the operational efficiency and versatility of robotic surgical instruments.
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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.
