Modular External Fixation Hardware[edit | edit source]
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.
| # | 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 | .jpg) |
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.
Acknowledgements[edit | edit source]
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.