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    • 7. 发明授权
    • Trocar system
    • US10827907B2
    • 2020-11-10
    • US13990289
    • 2011-11-29
    • Reiner KunzMichael Schmidt
    • Reiner KunzMichael Schmidt
    • A61B1/00A61B17/34A61B1/05A61B1/06A61B90/00
    • The invention relates to a trocar system for a minimally invasive work station, comprising an endoscopic instrument (2) having imaging means (3) and a device for transmitting the signals containing the image information to a display unit (6) and, as required, work tools, further comprising a trocar assembly (7 to 16) having a trocar sleeve, which is designed to receive a pin, including imaging means (8, 14), provided with a tip that is permeable to imaging media having different wavelengths, wherein the imaging means are provided to make the work field visible through the distal end of the pin and a device (16) is provided for transmitting the signals containing the image information to a display unit (6). The trocar assembly (7 to 16) and the minimally invasive instrument (3) are provided for separate use and for displaying the respective image information for the same display unit (6). The pin is provided with an on/off switch (13). The display device is equipped to display the image information transmitted by the pin when the pin is switched on and to suppress the display of the image information transmitted by the endoscopic instrument, and to display the information transmitted by the endoscopic instrument when the pin is switched off.