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Femoral Shaft Fractures
Updated: Jan 29 2025

Gamma4™ Intermediate Nail

Images
https://upload.orthobullets.com/topic/423218/images/a1c843d1-8e2b-4451-a348-648bf776686d_gamma4_intermediate_nail_1a.jpg
https://upload.orthobullets.com/topic/423218/images/eee058b2-b907-4b1d-be99-704499a86daf_gamma4_intermediate_nail_1b.jpg
https://upload.orthobullets.com/topic/423218/images/be78635a-cff7-43c3-aa6e-64bea22ae515_gamma4_intermediate_nail_1c.jpg
  • Gamma4 Design
    • Intermediate Nail
      • The Gamma4 Intermediate Nail is 240mm long and has a 4º ML bend and 3º AP bend.
      • Diameter options include 9,10,11,12 and 13mm.
      • It is offered in CCD Angles 120, 125, and 130 Degrees.
      • The shaft has a length dependent radius of curvature of approximately 750mm. Therefore, this nail is side specific.
    • Shortened Proximal Body
      • Proximal diameter of Ø15.5mm
      • The distance from the proximal tip of the nail to the Lag Screw has been reduced by 5mm compared to the legacy system. A bevel was added as well for less trochanteric protrusion.
      • Optional end caps available
    • Medial and AP Bevel for Nail Insertion
      • Medial and AP bevel added to the distal tip of the nail to ease insertion into the canal.
    • Distal Locking
      • Option for two distal locking holes
      • Targeted distal locking similar to the short trochanteric nail
  • Indications
    • The Gamma4 Intermediate nail is indicated for the treatment of stable and unstable fractures as well as for stabilization of bones and correction of bone deformities in the intracapsular and trochanteric regions of the femur (including osteoporotic and osteopenic bone).
    • The RC Lag Screw is also indicated for rotationally unstable fractures. The RC lag screw is a combination between a standard lag screw and a blade, increasing the surface area of the lag screw by up to 2.4mm.
  • Screws
    • Intermediate Nail
      • Intermediate Nail
      • Lag Screw
      • Diameter: ∅10.5mm
      • Length Options: 70 - 130mm (5mm increments)
      • Thread Length: 30mm
      • Lag Screw advances 0.8mm per ¼ turn.
      • Cannulated for ∅3.9mm Precision Pin™
      • Cannulated Set Screw
      • Pre-inserted
      • Set screws designed for controlled subsidence
      • Locking Orientations: Every 90 Degrees Standard Lag Screw
      • Every 180 degrees RC Lag Screw
      • RC Lag Screw
      • Diameter 10.5mm
      • Length options: 70-130mm (5mm increments)
      • Thread length: 30mm
      • RC Lag Screw advances 1.6mm per ½ turn
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