Device and method for tissue identification

A theragnostic system comprising:

• at least one surgical station (10) that comprises:
• a light receiving device (18) for receiving light that is emitted from a spark (15) that is created between an electrode (12) of an electrosurgical instrument (11) and biological tissue (13);
• a light analysis device (19) that is configured to determine at least one optical feature (O) of the received light;
• a generator (14) for providing an electrical voltage (u) for supply of the electrosurgical instrument (11) and thereby for supply of the electrode (12) of the electrosurgical instrument (11) with electrical current (i);
• a detection device (16) for determination of at least one electrical feature (E),
• an output device (23);
• and
• a storage and processing device (17) that is configured to:
• determine a tissue label (L) based on the at least one optical feature (O), and if the at least one optical feature (O) is insufficient for a tissue identification, determine the tissue label (L) based on the at least one optical feature (O) and at least one electrical feature (E) or based on the at least one electrical feature (E) alone, and
• transmit the tissue label (L) to the output device (23) for output.