ArticleEuropean archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery2026
A novel, tissue-selective burr for temporal bone drilling.
Article in European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeTemporal bone (TB) drilling is one of the most frequently performed otologic procedures. It carries the potential risk of damage to the facial nerve, sigmoid sinus, and dura. Conventional cutting burrs (CCBs) are effective at cutting bone but may easily cause soft tissue damage. A novel 5.4-mm cutting burr, the Safety Burr (SB), with a moving, self-centering ring placed around the cutting tip, was developed as a safety mechanism to prevent soft tissue injuries.
methodsThe SB was compared to the 5.0 mm CCB in 20 cadaveric fresh-frozen TBs. The contact time and number of inadvertent errors were recorded. The assessments of the three otosurgeons on burr characteristics were graded on a scale of 1 (poor) to 5 (superior). Soft-tissue protection was further evaluated in three cadaveric heads.
resultsNo differences were observed in the mean procedure time between the SB and the CCB. The SB was perceived to be superior to the CCB in terms of soft tissue protection, absence of jumping, and precision. In the cadaveric heads, drilling on the exposed middle fossa dura or sigmoid sinus resulted in no tearing or perforation.
conclusionThe SB is a feasible alternative for TB drilling and provides soft-tissue protection. The absence of jumping contributed to superior handling and controllability of the burr. Further clinical studies are needed to comprehensively assess the tissue selectivity and its limitations in otological TB drilling.
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