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Anatomic femoral fit
- Optimized fit for each patient with seven handed sizes
- 10° anterior angle closely matches patient anatomy
- Bone conservation for smaller sizes with proportionate distal/posterior resection
- Anatomic blend provides relief from patellar impingement
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Anti-loosening feature
The angled cut and tapered, diverging lugs work together to resist femoral component loosening as the implant is pivoted onto the prepared condyle and cement is pressurized.
Bone preserving
- Like the JOURNEY◊ BCS Bi-Cruciate Stabilized Knee System, the JOURNEY◊ UNI system has a 15° posterior flex cut to extend the articular surface in deep flexion while minimizing the bone resection
- Tibial fixation pegs remove minimal bone and are less likely to fracture the tibia than keel designs
- 7mm ‘thin’ option available in all polytheylene baseplate
Available in OXINIUM◊ Oxidized Zirconium Technology
Exclusive to Smith & Nephew, OXINIUM◊ technology combines the strength of metal with the wear resistance of ceramics.3,4
More normal kinematics
Because the JOURNEY◊ UNI system retains both cruciate ligaments and makes minimal changes to the surface geometry of the knee, the kinematics will more closely resemble that of the normal knee.5,6,7,8
References
3. Hunter G, Long M. Abrasive wear of oxidized Zr-2.5Nb, CoCrMo, and Ti-6A1-4V against bone cement. Poster 528 presented at: 6th World Biomaterials Cong Trans,
Society for Biomaterials, 1998.
4. Poggie RA, Wert JJ, Mishra AK, Davindson JA. Friction and wear characterization of UHMWPE in reciprocating sliding contact with CoCr, Ti-6Al-4V and zirconium
implant bearing surfaces. In Denton R, Keshavan MK, eds. Wear and Friction of Elastomers. ASTM STP 1145 Philadelphia, PA: American Society for Testing and
Materials; 1992:65–81.
5. Laurencin CT, Zelicof SB, Scott RD, Ewald FC. Unicompartmental versus total knee arthroplasty in the same patient. A comparative study. Clin Orthop Relat Res. 1991 Dec;(273):151–156.
6. Patil S, Colwell CW Jr, Ezzet KA, D’Lima DD. Can normal knee kinematics be restored with unicompartmental knee replacement? J Bone Joint Surg Am. 2005 Feb;87(2):332–338.
7. Carter ND, Jenkinson TR, Wilson D, Jones DW, Torode AS. Joint position sense and rehabilitation in the anterior cruciate ligament deficient knee. Br J Sports Med. 1997 Sep;31(3):209–212.
8. Rougraff BT, Heck DA, Gibson AE. A comparison of tricompartmental and unicompartmental arthroplasty for the treatment of gonarthrosis. Clin Orthop Relat Res. 1991 Dec;(273):157–164.
