Granted Patent B2

US 12,490,993 · App. 17/918,993 · Granted Dec 9, 2025

Inventors: Franz-Peter Firmbach (Emmingen-Liptingen, DE); Roland Boettiger (Rietheim-Weilheim, DE); Berna Richter (Muehlheim, DE)

Assignee: Aesculap AG

A61B17/157A61B2017/0042

Abstract

Claims (3)

1 . An alignment device, comprising: a telescopic device configured to be equipped with a saw block at a proximal end portion of the telescopic device; and an ankle shackle device that forms a clamping device at a distal end portion of the telescopic device, the clamping device comprising at least two clamping elements that are pivotable and configured to act against one another, for clamping a distal end of a tibia of a patient, the clamping elements each being of arcuate design, and each of the clamping elements being resilient at least in sections, such that the clamping device is removable from the tibia of the patient exclusively by utilizing a spring elasticity of the clamping elements, wherein the clamping elements are each fork-shaped with prongs arranged in an offset manner relative to one another such that in the closed state the prongs mesh with one another in an overlapping manner.

2 . The alignment device according to claim 1 , wherein the clamping device comprises a tibia contact block having two contact arms that are substantially V-shaped, rigid and diverging, the clamping elements being pivotally articulated to free end regions of the contact arms.

3 . The alignment device according to claim 2 , further comprising a ratchet mechanism via which the clamping elements are supported on the tibia contact block and by which the clamping elements are configured to be pretensioned independently of each other.

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (75)