Burs and drills used to make hole drill the surgical anatomy during the surgery. Types of drilling systems discussed below
ENT Drill
Hand-held microdrill for stapedotomy, stapedectomy, and fashion of homo/auto bone
grafts
Narrow, lightweight design allows for better visualization in the middle ear
Speed: 7,000 rpm max
Provided sterile
BURS
Designed for use with straight shank drill systems and Xomed® power handpieces
Multiple uses
Provided sterile
Round Diamond Bur
Round Carbide
Manual drill
Berengario’s drill (Hudson brace) Jacopo Berengario da Carpi’s (c. 1457-1530 CE) text “Tractatus de Fractura Calvae sive Cranei depicts” a drill Berengario’s interchangeable bit with a compound brace (“vertibulum”), known today as the Hudson brace
Drill
Drill in pneumatic based and electric drill
Pneumatic drill uses Nitrogen gas cylinders or pipelines for the high-speed drilling system. E.g Midas Medtronic drill system, Stryker system
The electric drill used electrical energy into the high-speed drill. E.g Medtronic Aesculap NSK drill system Manman
Cranial perforator: 1,200 rpm
High-speed drill: 40,000 to 80,000 rpm
