Reaching new heights Comprehensive. Efficient. Simple.
Various acetabular cup choices Compatible with the different head and liner options including VERILAST Technology Reach for proven
OR efficient Instrumentation 15 years of proven clinical history performance Multiple stem options to match your patient pathologies and bone quality
Reach for proven options The SYNERGY Hip System provides a clinically proven design with multiple stem coating options covering all aspects of primary hips from fracture management to cementless fixation. Each of these options uses the same surgical technique and the same two trays of surgical instruments. The SYNERGY Cementless System offers sizes 8-18 in 1mm increments, as well as sizes for patients with special needs or unusual anatomy. Progressive stem lengths of 120-180mm provide enhanced anatomical replication. The SYNERGY Cementless Stems (sizes 9-17) are available in two offsets.
One complete system for all primary indications Porous Plus HA Porous High-demand options: Porous Plus HA, Porous, HA Medium-demand options: Cemented, Ti-Press Fit Fracture Management (FX) options: CONQUEST FX Ti-Press Fit HA Cemented CONQUEST FX Stable fixation The SYNERGY Hip System achieves stability through three point fixation as demonstrated in the X-Ray. SYNERGY stems wedge in posterior proximally, anterior midway and posterior distally. Anterior Posterior Posterior
Reach for proven design A stable hip joint is essential for implant longevity, pain relief and a sense of normalcy to the patient. The SYNERGY Hip Stems offer two true dual offsets that allow biomechanical restoration of the joint without a change in leg length.
Biomechanical restoration Competitor ROM - Change in offset The circulotrapezoidal neck in SYNERGY provides greater range of motion than traditional neck designs and reduces the potential risk of dislocation. The ROM difference is illustrated by the cone of motion. Change in offset No change in neck angle SYNERGY ROM - No change in neck angle The cone of motion of a circulotrapezoidal neck is much larger than that of a cylindrical neck. This difference equals greater ROM for the SYNERGY Hip System. 1 Compared to the competitive implant, the SYNERGY system gets 17% more flexion. 2 No change in leg length A Circulotrapezoidal Polished inner surface to minimize backside wear The SYNERGY Hip System goes beyond similar designed tapered implants with the use of fins. The anterior and posterior fins on the SYNERGY Hip System have been shown to provide a 20% improvement in rotational stability over a similargeometry stem without fins. 3 Cylindrical 0.06 P 0.05 0.04 0.03 0.75mm 0.02 0.01 0 Fins Smooth S1
Reach for proven coatings The design of the SYNERGY Hip System addresses the issue of transmitting stress and helps to reduce stress shielding by incorporating surface transitions. The ROUGHCOAT porous surface in the proximal region of the Porous and Porous Plus HA stem designs, allow bony ingrowth. Below the proximal third, the stem has been grit blasted for bony ongrowth. The distal tip of SYNERGY stems is polished and bullet-shaped, which allows no bone growth and assists with the reduction of thigh pain.
Advanced proximal coatings Porous The sintered-bead ROUGHCOAT Porous Coating from Smith & Nephew, manufactured from commercially pure titanium, has demonstrated several advantages over plasma spray or simple macro-textured surface. The irregularly layered beads provide 3-D interlock; studies have reported that sintered beads provide 2-3 times less wear than plasma spray. 4 Also sintered beads have been shown to have a greater bond strength than either plasma spray or diffusion bonded wire. 5, 6, 7 Mechanical testing has shown the optimal pore size for bone ingrowth to be between 50-400 microns. 8 The pore size of the coating on the SYNERGY Cementless Porous Stem is 200 microns. Porous Plus HA The SYNERGY Porous Plus HA Cementless Stem uses the same technology as the SYNERGY Porous Stem. HA is applied to the porous coating using the same specifications as the HA stem. Tests have shown that HA does not occlude the porous beads. Ingrowth HA The SYNERGY HA Cementless Stem is a press-fit stem with the proximal one-third sprayed with 50 microns of 100% pure HA over a grit-blasted surface. A thin HA coating can be discontinuous, causing loss of mechanical integrity. On the other hand, a thick coating is likely to have lower attachment strength, leading to cracking and delamination under fatigue loads. The optimum thickness of HA has been shown to be 50 microns with a minimal amount of impurities. Ongrowth No growth
Reach for proven compatibility Smith & Nephew offers Cobalt Chrome, Biolox Ceramic, and OXINIUM Femoral Heads. OXINIUM heads, coupled with XLPE Liners, is VERILAST Technology, a high performance bearing with proven laboratory and clinical performance. All head types are available in a wide variety of sizes and lengths.
A choice of femoral heads Advanced bearings The R3 Acetabular System, combined with the Smith & Nephew portfolio of hip stems, provides advanced hip replacement systems with: Wide range of advanced bearing options Excellent primary stability Flexible instrumentation Polished inner surface to minimize backside wear NO HOLE, THREE HOLE and MULTI-HOLE hemispherical shell offering XLPE (offered in 0 and 20 options both in neutral and +4 lateralized) OXINIUM Ceramic CoCr STIKTITE coating on an R3 Acetabular Shell ensures a true scratch-fit feel immediately upon impaction.
Reach for proven OR efficiency A streamlined set of instruments can provide surgeons and hospitals with time and cost savings. 9 The entire family of implants in the SYNERGY Hip System utilizes the same two trays of instrumentation. Designed to flow with the surgery, the first tray contains specialized two-in-one femoral reamers. The second tray includes the femoral broaches and optimized trial necks and heads.
Two trays = one solution All stems of the SYNERGY Hip System use the same two trays of instrumentation. Designed to flow with the surgery, the first tray contains the femoral reamers, and the second tray includes the femoral broaches.
Reach for proven history With over 600,000 stems implanted, the SYNERGY Hip System celebrates 15 years of clinical success.
20+ years of successful clinical success Restoration of biomechanics and reducing dislocations are important factors for patient satisfaction. In February of 2007, results with the SYNERGY Hip System were published in the Journal of Arthroplasty. At an average of 75 months, the SYNERGY Hip System had a survivorship of 99.5%. 10 In another Journal of Arthroplasty publication in 2002, SYNERGY porous implants were shown to restore offset in patients 90% of the time. Another competitive design only accomplished this restoration in 40% of the patients. 11
References 1. Thomberry R.; Lavernia C.; Barrack R.; Tozakoglou E. The Effects of Neck Geometry and Acetabular Design on the Motion to Impingement in Total Hip Replacement. A Scientific Exhibit at: Annual Meeting of the American Academy of Orthopaedic Surgeons: March 19 22, 1998: New Orleans, LA. 2. Impingement in THA: The Effect Of Neck Geometry And Acetabular Design: Smith & Nephew Report 7138-0419, September 1998. 3. Data on file at Smith & Nephew, TM328802. 4. Bal, Sony B.; Vandelune, Dan; Gurba, Dan M.; Jasty, Murali; Harris, William: Polyethlene Wear in Cases Using Femoral Stems of Similar Geometry, but Different Metals, Porous Layer, and Modularity. The Journal of Arthroplasty, Volume 13, Number 5, 1998. 5. Smith & Nephew Data: Bead Pull-off Testing of Ti-6Al-4V, In-House Test Data Summary, February 1993. 6. Andersen, P.; Levine, D.: Adhesion of Fiber Metal Coatings. ASTM STP 953: Quantitative Characterization and Performance of Porous Implants for Hard Tissue Applications, J. Lemons, Ed., ASTM Special Publication, 1987. 7. Robinson, T.; Bearcroft, J.: Smith & Nephew Advanced Technology Report AT-93-14, May 1993. 8. Bobyn, J. D., M. Sc.; Pilliar, R.M., Ph.D.; Cameron, M. B., Ch.B., F.R.C.S.; Weatherly, G.C., Ph.D.; Kent, G.M., D.V.M.: The Effect of Porous Surface Configuration on the Tensile Strength of Fixation of Implants by Bone Growth. Clinical Orthopaedics and Related Research. Number 149, June 1980. 9. Meltzer W.; Goldstein W.; Skinner H.; Tozakoglou E. Time Motion Study of Total Hip Replacement: A Tool to Improve Surgical Team Performance. A Scientific Exhibit at: Annual Meeting of the American Academy of Orthopaedic Surgeons: February 4 7, 1999; Anaheim, CA. 10. Danesh-Clough T.; Bourne R.B.; Rorabeck C.H.; McCalden R. The Mid-Term Results of a Dual Offset Uncemented Stem for Total Hip Arthroplasty. J Arthroplasty. 2007 Feb;22(2):195 203. 11. Bourne R.B.; Rorabeck C.H.; Soft Tissue Balancing: The Hip. J Arthroplasty. 2002 Jun;17(4 Suppl 1): 17 22. Smith & Nephew, Inc. 7135 Goodlett Farms Parkway Cordova, TN 38016 USA www.smith-nephew.com Telephone: 1-901-396-2121 Information: 1-800-821-5700 Orders/Inquiries: 1-800-238-7538 Trademark of Smith & Nephew. 2017 Smith & Nephew, Inc. 10298 V1 08/17