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Figure 1: (a and b) show the design of the retractor. As described, it consists of a long “V”-shaped construct folded upon itself, which is released and deployed by pulling the wire with the ring. This releases the tensile spring mechanism leading to the opening of the blades of the retractor (also see Figure 2). (c) shows the submucosal tunnel created on the right side of the nasal septum (arrow). (d) shows the black nonreflective blades over the keel of the vomber after they have opened and fractured the septum to one side and exposed the keel of Vomer. (e) shows the 1 mm Kerrison “down cut” (arrow) passing from the sphenoid ostium (marked as “sph ostium'). Note how comfortably the retractor has created space for three instruments. (f) shows the tumor removal

Figure 1: (a and b) show the design of the retractor. As described, it consists of a long “V”-shaped construct folded upon itself, which is released and deployed by pulling the wire with the ring. This releases the tensile spring mechanism leading to the opening of the blades of the retractor (also see Figure 2). (c) shows the submucosal tunnel created on the right side of the nasal septum (arrow). (d) shows the black nonreflective blades over the keel of the vomber after they have opened and fractured the septum to one side and exposed the keel of Vomer. (e) shows the 1 mm Kerrison “down cut” (arrow) passing from the sphenoid ostium (marked as “sph ostium'). Note how comfortably the retractor has created space for three instruments. (f) shows the tumor removal