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LINK IP Polyethylene Acetabular Cup

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  • Cemented implant for rapid postoperative mobilization1
     
  • Uniform cement coating by means of integral spacers
     
  • Increased mobility by means of optimized cup design5
     
  • High UHMWPE quality means low abrasion2, 3, 6, 7

LINK has decades of experience in the use of UHMWPE, and this was particularly valuable in the design of the cemented acetabular cups. The high quality of the polyethylene demonstrably minimizes abrasion suffered by the components, and thereby reduces the risk of osteolysis. Consequently, the incidence of component loosening is very low. In addition to the Standard UHMWPE, we also supply the system in acetabular cups made of X-Linked UHMWPE, This highly crosslinked polyethylene make it possible to achieve even lower abrasion levels.2, 3, 6, 7

In addition to the material properties, the external shape of the acetabular cups helps to prevent loosening. Radial notches in the surface create a high degree of cement contact and allow air to escape when the implant is pressed into the cement bed.4 Furthermore, spacers on the rear surface of the acetabular cup permit a uniform cement coating. This surface design increases the stability of the cup in the acetabulum, thereby largely eliminating the risk of loosening.8 This design is used successfully in both the IP and FAL Polyethylene Acetabular Cups and in the Lubinus Acetabular Cup.

Another feature of the cemented polyethylene acetabular cups is the high cup rim, which projects beyond the spherical shape. The IP Acetabular Cup differs from the Lubinus Acetabular Cup in that this rim is beveled toward the inside. This gives the patient a wider range of mobility because the neck of the prosthesis strikes the cup rim later5. In combination with the LINK LubinusSP II Femoral Stem, this system offers an outstanding, anatomically adapted cemented hip implant.

The LINK IP Polyethylene Acetabular Cup is a cemented acetabular cup made of UHMWPE. The direct stability of the cup in the cement coating permits rapid postoperative mobilization of the patient. This, in turn, means shorter recovery times and shorter hospitalization for the patient.1

Acetabular Cups cemented - Flyer

Name: 609_cups_cement_flyer_en_2011-06_002.pdf
Size: 559 KB

Acetabular Cups cemented - Impl. Instr. & OP

Name: 6091_Cups_cemented_OP-Impl-Instr_en_2019-09_003.pdf
Size: 1 MB
  1. L. Claes, P. Kirschner, C. Perka und M. Rudert, AE-Manual der Endoprothetik - Hüfte und Hüftrevision, Heidelberg Dordrecht London New York: Springer, 2012.
  2. S. M. Kurtz, „Advances in the processing, sterilization, and crosslinking of ultra-high molecular weight polyethylene for total joint arthroplasty“, Biomaterials 1999; 20:1659-1687.
  3. E. M. Brach del Prever, „UHMWPE for arthroplasty: past or future?“, J Orthopaed Traumatol 2009;10:1-8.   
  4. H. W. Buchholz (1969), “Das künstliche Hüftgelenk”, Sonderdruck aus Materia Medica Nordmark, Nov. 1969, 21/11: 613-622   
  5. Internal Document - DOC-07919  
  6. Internal Document - DOC-07954
  7. Internal Document - DOC-08062
  8. Garellick, Kärrholm, Rogmark, Rolfson, Herberts, ANNUAL REPORT 2014; The Swedish National Hip Arthroplasty Register.; p. 75

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