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Bone Preservation Stem
The TRI-LOCK® Bone Preservation Stem is based on the well documented 35-year clinical heritage of the original TRI-LOCK Stem. The tapered-wedge design of the TRI-LOCK BPS Stem ensures intimate implant contact proximally, providing both rotational and axial stability, while increasing the opportunity for biological fixation.
Features & Benefits
Extensive Size Range
The TRI-LOCK BPS System features 13 stem sizes which allows surgeons to address a wide range of patient anatomies. Consistent intervals between each stem size help achieve proper fit within the femur.
GRIPTION® Porous Coating
GRIPTION Porous Coating is specifically engineered to maintain mechanical integrity under shear, compression, torsion and tension force. This advanced, three-dimensional fixation is designed to enhance initial stability, which may lead to long-term biological fixation.1
The TRI-LOCK BPS Dual Offset options provide surgeons the ability to lateralize by 6mm-8mm to help manage soft tissue laxity. The offset range is 30mm-50mm depending on stem size. This direct lateralization can enable femoral offset restoration without affecting leg length.
The reduced lateral shoulder, thin geometry and optimized length compared to the original TRI-LOCK Stem reduces the amount of bone removed from the patient.
1. Jasty M, et al. “In Vivo Skeletal Responses to Porous-Surfaced Implants Subjected to Small Induced Motions.” J Bone Joint Surg Am. 1997;79(5):707-714.
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