Any locally available 4.0 or 5.0 mm diameter self-drilling Schanz Screws and compatible modular external fixator hardware, instruments, and surgical drill can be used for this skills training module.
Humeral Fracture ModularExternal Fixation Hardware List
#
Item
Quantity
Reference Photo
Function
Reusable for Simulation Training
1
Any powered orthopedic surgical drill that is compatible with 4.0 or 5.0 mm diameter self-drilling Schanz screws
1
Drives Schanz Screw into fracture fragment, also referred to as "power drive"
Yes
2
Chuck Key for Surgical Drill
1
Used to tighten or loosen the drill chuck jaws over the Schanz screw
Yes
3
Triple Drill Sleeve Assembly, 5.0 mm (consisting of an inner trochar, middle drill sleeve and outer cannula components)
1
Protects the soft tissue when drilling Schanz Screws; the triple drill sleeve assembly must be inserted before drilling to protect the soft tissue overlying the humerus in the real clinical scenario; the inner trochar is removed before drilling
Yes
4
Self-Drilling Schanz Screws, 5.0 mm x 200 mm x 30 mm
4
Inserted into fracture fragments, also referred to as "pins" and "half-pins"
No; re-using Schanz Screws may cause mechanical failure of the 3D Printed Adult Humeral Bone Models
5
Jacobs Chuck T-Handle
1
Allows for manual advancement of the Schanz Screw to the desired depth
Yes
6
Chuck Key for Jacobs Chuck T-Handle
1
Used to tighten or loosen the Jacobs Chuck T-Handle chuck jaws over the Schanz screw
Yes
7
Universal Clamp (Single Pin)
4
Combines pin-to-rod
Yes
8
Connecting Rod, 11 mm x 150 mm
2
Links pins with clamps, available in several sizes
Yes
9
Rod-to-Rod Connector
2
Combines rod-to-rod
Yes
10
Connecting Rod, 11 mm x 100 mm
1
Links pins with clamps, available in several sizes
Yes
11
11 mm Spanner with T Handle
1
Assists in final tightening of clamps
Yes
4.0 mm diameter Schanz Screws may also be used for open humeral shaft fractures.
This work is funded by a grant from the Intuitive Foundation. Any research, findings, conclusions, or recommendations expressed in this work are those of the author(s), and not of the Intuitive Foundation.