Patent ID: 11918436
Assignee: STRAUMANN HOLDING AG
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 37:
38. An insertion tool for a dental implant, the insertion tool having a longitudinal axis defining a longitudinal direction and including:
a coronal section having a shank portion for connection to a rotary device; and
an apical section for the engagement with an internal bore of the dental implant,
wherein the apical section includes from coronal to apical a first stabilizing section and a drive section,
wherein the drive section includes a plurality of connecting lobes having a convex shape and extending in the longitudinal direction, the connecting lobes being interconnected by respective lobe linking areas also extending in the longitudinal direction, each of the lobe linking areas including: two concave sections extending in the longitudinal direction and adjacent to a respective connecting lobe; and a convex section extending in the longitudinal direction and positioned between the two concave sections, and
wherein the convex section of each of the lobe linking areas is shaped so as to extend along a lateral face of a first straight cylinder having a center coincident with the longitudinal axis of the insertion tool, and a diameter of the first straight cylinder is smaller than a diameter of a second straight cylinder that has: (i) a lateral face intersecting a radial outer limit of each of the connecting lobes along one line only extending in the longitudinal direction of the insertion tool and (ii) a center coincident with the longitudinal axis of the insertion tool.