Procept Biorobotics has been granted a patent for an apparatus designed to provide hemostasis by removing tissue to prevent blood loss or drainage. The method involves directing a liquid jet towards tissue to generate pulsatile shear waves, promoting clotting and inhibiting bleeding. GlobalData’s report on Procept Biorobotics 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 Procept Biorobotics, AI-assisted surgical robots was a key innovation area identified from patents. Procept Biorobotics's grant share as of February 2024 was 39%. Grant share is based on the ratio of number of grants to total number of patents.

Hemostasis apparatus using liquid jet for tissue removal

Source: United States Patent and Trademark Office (USPTO). Credit: Procept Biorobotics Corp

A recently granted patent (Publication Number: US11903606B2) discloses a method for treating tissue using pulsatile shear waves generated by directing a liquid jet towards the tissue. The method involves removing the tissue with these pulsatile shear waves, which are designed to be abrasive to ensure the removal of vessels and non-vascular tissue at similar rates. By positioning the nozzle at a specific distance from the vascular tissue, the method aims to selectively remove non-vascular tissue at different rates while minimizing the removal of vessels.

Furthermore, the patent claims detail the use of shedding pulses to generate the pulsatile shear waves, with each shedding pulse having a characteristic length. The method also involves the use of pump pulses to achieve the desired effect on the tissue. The configuration of jet hydrodynamic parameters, such as fluid jet velocity and shear stress field, plays a crucial role in generating the pulsatile shear waves. These parameters control the frequency and characteristic length of shedding pulses, ultimately influencing the effectiveness of tissue removal.

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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.