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FAQ
TRIGEN^◊ Implants General Questions

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TRIGEN™

Intramedullary Nails

FAQ

FREQUENTLY ASKED QUESTIONS

TRIGEN MOST COMMONLY ASKED QUESTIONS

TRIGEN MOST COMMONLY ASKED QUESTIONS > TRIGEN^◊ Implants General Questions

1
Why are the TRIGEN^◊ implants available in such an odd variety of diameters?
- Answer:
  
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2
Why are the TRIGEN^◊ implants and screws titanium?
- Answer:
  
  Due to the design of the TRIGEN^◊ implants, we are now able to offer a titanium nailing system with unique features and benefits that offers the surgeon a new choice. The TRIGEN^◊ implants are manufactured from a titanium alloy, which offers a higher fatigue life as compared to stainless steel. Titanium implants are also MRI compatible.
  
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3
Why are the TRIGEN^◊ implants round?
- Answer:
  
  The TRIGEN^◊ implants are cylindrical to improve the strength of the implant and to allow for larger cannulation. In addition, the cylindrical geometry constricts boney ingrowth that might complicate removal.
  
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4
Are the screw holes in TRIGEN^◊ implants cold-worked?
- Answer:
  
  Not at this time. Cold working of titanium is not believed to have the same benefit as with stainless steel.
  
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5
Why were the TRIGEN^◊ implants designed without a chamfer in the screw holes?
- Answer:
  
  The screw design offers a pointed tip to better direct the screw into the hole. Due to the cross sectional shape of the nail geometry, the chamfer would only add minimal improvement. This feature weakens the nail and does not add any benefit in the M/L direction. See Design Rationale.
  
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6
Will the implant be difficult to remove in young patients?
- Answer:
  
  The titanium alloy of TRIGEN^◊ along with the closed cross sectional design and surface finish are designed to allow the implant to be easily removed. In addition, the enlarged root diameter of the TRIGEN^◊ screw is designed to enhance its strength to minimize the need to remove the implant due to screw breakage. Upon removal of the implant, the large external hex and capture feature of the screws will provide additional aid in its removal.
  
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7
Do all the holes weaken the nail?
- Answer:
  
  The design characteristics of the TRIGEN^◊ implants were developed to optimize its biomechanical strength. This is accomplished through the combination of the closed cross section, shape, wall thickness and positioning of the holes are located out of the "high stress" region of the implants. (Import the Nail Testing information from the Design Rationale.)
  
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8
Are there End Caps for the TRIGEN^◊ implants?
- Answer:
  
  End Caps have been developed and will be available soon. We have designed our end caps to minimize the risk of backing out of the implant.
  
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9
Are there templates available for TRIGEN^◊ Implants?
- Answer:
  
  Yes. A template kit is available for ordering under 7118-0622. This kit will provide you with each of the templates available. Individual replacements will also be available in the near future.
  
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