Clinical evaluation of thulium laser/ultrasonic aspirator combination instrument during neurosurgical tumour resection

Dirk Theisen-Kunde; Jessica Kren; Alessa Hutfilz; Matteo Mario Bonsanto; Ralf Brinkmann

doi:10.1117/12.2670859

11 August 2023 Clinical evaluation of thulium laser/ultrasonic aspirator combination instrument during neurosurgical tumour resection

Dirk Theisen-Kunde, Jessica Kren, Alessa Hutfilz, Matteo Mario Bonsanto, Ralf Brinkmann

Author Affiliations +

Proceedings Volume 12627, Translational Biophotonics: Diagnostics and Therapeutics III; 126270Z (2023) https://doi.org/10.1117/12.2670859
Event: European Conferences on Biomedical Optics, 2023, Munich, Germany

Abstract

Ultrasonic aspirators are commonly used for volume reduction of neurosurgical tumours. Bleeding occurs occasionally during ultrasonic debulking since ultrasonic aspirators do not coagulate affected vessels. Usually bipolar forceps are used for haemostasis, however requiring a change of instrumentation by the surgeon. Thulium laser emitting at a wavelength of 1940 nm in a strong water absorption band are suitable for tissue and blood vessel coagulation with subsequent haemostasis. Therefore, such laser system was combined with an ultrasonic aspirator by adapting the light transmitting multimode fiber tip to the distal tip of the ultrasonic aspirator. The thulium laser showed very good haemostasis during tumour debulking. Instrumental changes to bipolar forceps were reduced, surgeon’s feedbacks were convincingly positive.

Citation Download Citation

Dirk Theisen-Kunde, Jessica Kren, Alessa Hutfilz, Matteo Mario Bonsanto, and Ralf Brinkmann "Clinical evaluation of thulium laser/ultrasonic aspirator combination instrument during neurosurgical tumour resection", Proc. SPIE 12627, Translational Biophotonics: Diagnostics and Therapeutics III, 126270Z (11 August 2023); https://doi.org/10.1117/12.2670859

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KEYWORDS

Laser ultrasonics

Equipment

YAG lasers

Nervous system

Resection

Blood vessels

Surgery

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