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SUMMIT® Tapered Hip System
The SUMMIT® Tapered Hip System has achieved over 15 years of clinical history, and it remains a viable treatment option for patients today. A comprehensive set of implants, featuring both cemented and cementless options, treat a wide range of patients with differing needs. The SUMMIT Tapered Hip System utilizes a common set of instrumentation. The streamlined approach maximizes efficiency in the operating room, while still providing intraoperative flexibility.
Features & Benefits
POROCOAT® Porous Coating
POROCOAT Porous Coating allows biological fixation without the use of bone cement.1 With more than 30 years of clinical heritage, our proprietary POROCOAT Porous Coating is composed of commercially pure titanium sintered metal beads. This technology is available on the SUMMIT POROCOAT Cementless Stem.
DUOFIX® HA Coating
DUOFIX HA Coating combines POROCOAT Porous Coating, which allows for biological fixation, with the addition of a 35 micron layer of HA coating.2 This technology is available on the SUMMIT DUOFIX HA Cementless Stem.
Radial ZTT Steps
Radial ZTT Steps are designed to convert hoop stresses to compression loads which may potentially reduce the risk of intraoperative fracture.3
SUMMIT Hip 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.
1. Engh CA, et al. Cementless total hip arthroplasty using the anatomic medullary locking stem: 0-10 year results using a survivorship analysis.
linical Orthopaedics and Related Research 1989:249
2. Pilliar RM. Powder metal-made orthopaedic implants with porous surface for fixation by tissue ingrowth of bone. Clin Orthop 1980:150.
3. Currier, John H., et al “In vitro Testing of the Risk of Femur Fracture During Insertion of Radial Stepped Stems and Porous Coated Stems”
Poster Presentation #1841, 54th Annual Meeting of the Orthopaedic Research Society, San Francisco, CA. 2008
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