The application of various angled endoscopes allows a look “around the corner” resulting in a potentially higher radicality of tumour resection in endonasal transsphenoidal surgery 1).
Barycenter of the instrument is the surgeon's hands. Many different tips with different functions. Elimination of the bayonet-like shape. Handle bent in the horizontal plane to avoid interference with the surgeon's hands and to allow the distal, thin part of the instrument to be used safely and comfortably 2).
http://www.mizuho.com/product/kelly-endonasal-endoscopic-set/
Antrum punches – backward cutting, 360 degree rotatable, pediatric version available
Nasal forceps – through cutting, straight and 45 degree angled up
Nasal scissors – straight, curved left and right to navigate nasal aperature
Suctions – Tapered 1 piece, tear drop suction for greater manipulation
Rongeurs – 2mm, 3mm, 4mm various angles
Bipolar forceps – 0.7mm and 1.0mm tips, straight and angled tips
Dissectors – single shafted bayoneted ring curettes, pistol grip scissors, cup forceps
Cottle elevator, probes, spatulas, and more