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- Signature LRS Stem
Signature LRS Stem
UNCEMENTED HIP SYSTEM
Revision Redefined
- Designed to address challenges in the management of Revision Hip Arthroplasty.
- Clinically proven design with over 30 years of clinical experience.
- Proven grit blasted surface and titanium alloy.
- A 2° tapered Conical implant body with eight longitudinal ribs offers rotational stability and free setting of anteversion.
- Wider range of diameter and length options to have desired patient fit.
Frequently Asked Questions
What are the design features of the Signature LRS Stem?
The Signature LRS Stem is a tapered, fluted revision femoral stem designed for distal fixation in revision total hip arthroplasty. Its tapered geometry provides axial stability, while longitudinal flutes enhance rotational stability. The stem is available in multiple sizes to accommodate varying femoral anatomies and is supported by dedicated instrumentation for accurate implantation.
What material is used in the Signature LRS Stem?
The Signature LRS Stem is manufactured from Ti-6Al-4V titanium alloy, a material widely used in orthopaedic implants. It offers high strength, excellent biocompatibility, corrosion resistance, and an elastic modulus closer to that of bone, supporting durable implant performance and compatibility with the body's natural tissues.
What are the key benefits of the Signature Long Revision Stem?
The Signature Long Revision Stem is designed to provide stable distal fixation in revision hip arthroplasty. Its tapered, fluted design enhances axial and rotational stability, while multiple sizing options help address varying femoral anatomies. Together, these features support effective reconstruction in complex revision procedures.
What sizing and length options are available for the Signature LRS Stem?
The Signature LRS Stem is available in diameters from 12 mm to 21 mm and three stem lengths—200 mm, 245 mm, and 275 mm. Diameters 12–18 mm are available in 200 mm and 245 mm lengths, while 14–18 mm are also available in the 275 mm length. Diameters 19–21 mm are offered in all three lengths, providing flexibility for a wide range of revision hip arthroplasty cases.
What are the advantages of using an uncemented tapered revision hip stem?
Uncemented tapered revision hip stems are designed to achieve stable distal fixation, particularly when proximal bone stock is compromised. Their tapered geometry and fluted design provide axial and rotational stability while supporting physiological load transfer. They are commonly used in revision hip arthroplasty to address a wide range of femoral bone defects.
