Drill guide with adjustable stop
AssigneeMedos International Sarl
InventorsRainer Ponzer, Enda Minnock, Peter Senn
Life of this patent
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Abstract
Drill guides and related methods are disclosed herein, e.g., for use in surgical procedures. In some embodiments, a drill guide can include an adjustment mechanism that permits one-handed adjustment of the guide depth and does not require that the drill guide be removed from the patient or that the drill be removed from the drill guide when making an adjustment. The adjustment mechanism can include a trigger that moves first and second detents into and out of engagement with a guide stem to allow step-wise adjustment of the guide depth.
Claims23
A drill guide device, comprising:
- a sleeve having a proximal end, a distal end, and a central longitudinal axis extending therethrough, the sleeve defining a central lumen that extends from the proximal end to the distal end;
- a stem configured to be received in the central lumen of the sleeve, the stem having a central bore that extends from a proximal end to a distal end of the stem and defines a central longitudinal axis extending therethrough, the central longitudinal axis of the stem being substantially parallel to the central longitudinal axis of the sleeve;
- and
- a rotatable extension that engages an outer surface of the sleeve and controls movement of the stem relative to the sleeve to adjust a longitudinal position of the stem relative to the sleeve;
- and
- a plurality of protrusions coupled to the rotatable extension that are configured to move between a first position, in which a longitudinal position of the stem relative to the sleeve is incrementally adjusted, and a second position, in which adjustment of the longitudinal position of the stem relative to the sleeve is prevented.
A surgical method, comprising:
- positioning a drill guide at an initial depth setting, the drill guide having a sleeve and a stem that is disposed in a lumen of the sleeve, the drill guide being positioned such that a target site is disposed adjacent a distal end of the sleeve;
- adjusting a rotatable extension of the drill guide to change a longitudinal position of the stem with respect to the sleeve to set a maximum drilling depth, the maximum drilling depth being set by stepwise advancement of the stem relative to the sleeve;
- activating the rotatable extension to move detents within tracks to allow stepwise advancement of the stem relative to the sleeve;
- and
- advancing a tool through a central lumen of the stem to form a hole in the target site.
Dependencies are inferred from the claim text.