Goldstandard

Successful since 1993

The MRP-Titan modular revision prosthesis, which has been tried and tested for more than three decades, was developed to meet the requirements of revision surgery. The prosthesis offers surgeons the high level of intraoperative flexibility, reliability and reproducible surgical technique that are essential for revision surgery.

Primary Indications

The MRP-Titan straight stem with a length of 80 mm can be used for primary indications.

Clinically proven

Medium- and long-term data and many years of clinical use confirm the outstanding efficiency of the MRP-Titan modular revision prosthesis, with survival rates of 97% after 10 years and 85% after 15 years. A considerable number of patients have been able to regain their mobility and quality of life (3,4,9,10,11,12,14,15,17).

Selection of prosthesis in system for the best possible results

For optimal reconstruction, we recommend selecting components from within our range of prosthetic systems. The products are optimally coordinated with each other.

The MRP-Titan offers a wide range of options for patient-specific solutions for a variety of anatomical requirements and challenging defect situations in hip revision, particularly in combination with the modular revision cups MRS-TITAN Comfort and MRS-TITAN Standard/Maximum.

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Material

  • Proven biocompatible titanium alloy Ti6AI4V

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Design & Function

  • Cement-free anchoring
  • Patented morse taper junction:
    → Angle of anteversion continously adjustable over 360°
    → Optimal placement of the stem
  • Parabolic stem ribs:
    → High degree of initial stability
    → Preservation of cancellous bone structures and arterial supply
    → Solid broard area osseointegration
  • Identical stem geometry:
    → reliable change from trial to original stem diameter
  • Intra- and postoperative options for correcting leg length and antersion

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Sizes & Variants

  • Total lengths from 130 to 420 mm in 10 mm increments
  • Stem diameters from 11 to 29 mm in 1 mm increments
  • Straight, curved and distal interlocking stems
  • Straight length 80 mm for primary indications
  • Three neck versions

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Advantages

  • Consistent avoidance of CMR substances (carcinogenic, mutagenic, toxic to reproduction) that are subject to labelling requirements
  • No bone cement
    → no risk of allergy to bone cement components
  • Optimal intraoperative adaptibility to the specific situation
    → Angle of anteversion is continously adjustable
    → Optimal leg length adaption
  • Curved anchoring stems starting at 250 mm total length:
    → curvature “at the right place”
    → reduced risk of fissures.
  • Excellent osseointegration
  • High user-friendliness:
    →  intra-/postoperative separation of trials and definitive implants
    → intra-/postoperative correction of implant length and angle of anteversion in situ
  • taper wiper to increase the application security
  • simple and reliable instrumentation
  • The first and only revision system featuring reproducible cleaning and assembly of the modular plug-in conical connection

Downloads

Here you will find product information. This includes the instrumentation guide (surgical technique), summaries of scientific articles (executive summaries), and clinical case reports.

Surgical Technique
MRP-TITAN
MRP-TITAN Aiming Device
MRP-TITAN
Slap Hammer
Implant removal set
Executive Summaries
MRP-TITAN
  1. Boettcher JM, Sellenschloh K, Strube A, Huber G, Morlock MM. Festigkeit der Konusverbindung modularer Revisionshüftschäfte: Einfluss der Verunreinigung der Konusverbindung und der Fügebedingung auf die Relativbewegung und Abzugskraft zwischen Schaft und Halsteil der MRP-Prothese [Strength of the taper junction of modular revision hip stems : The influence of contamination of the taper junction and the joining condition on the relative motion and pull-off force between the stem and neck part of the MRP prosthesis]. Orthopädie 2024;53(1):47-55. https://pubmed.ncbi.nlm.nih.gov/38095661/
  2. Bormann T, Kretzer JP, Jaeger S, Lohmann CH. Is taper corrosion in modular revision hip stem junctions associated with patient or implant specific factors? A retrieval analysis. J Mech Behav Biomed Mater. 2024;150:106326. https://pubmed.ncbi.nlm.nih.gov/38141361/
  3. Pavlović M, Bliemel C, Ketter V, Lenz J, Ruchholtz S, Eschbach D. Health-related quality of life (EQ-5D) after revision arthroplasty following periprosthetic femoral fractures Vancouver B2 and B3 in geriatric trauma patients. Arch Orthop Trauma Surg. 2024;144(5):2141-2148. https://pubmed.ncbi.nlm.nih.gov/38554206/
  4. Spranz D, Skrobek D, Randoll J, Kinkel S, Merle C, Walker T, Renkawitz T, Reiner T. Femoral revision in total hip arthroplasty using a cementless modular stem: clinical and radiological results with a 8-year follow-up. Arch Orthop Trauma Surg. 2024 Mar;144(3):1369-1377. https://pubmed.ncbi.nlm.nih.gov/37872437/
  5. Huber G, Morlock MM. Which length should the neck segment of modular revision stems have? Clin Biomech (Bristol) 2022;94:105286.  https://pubmed.ncbi.nlm.nih.gov/33678413/
  6. Sukopp M, Taylor D, Forst R, Seehaus F. Femoral Stem Fracture in Hip Revision Arthroplasty: A Systematic Literature Review of the Real-World Evidence. Z Orthop Unfall. 2022;160(2):160-171. https://pubmed.ncbi.nlm.nih.gov/33851402/
  7. Krueger DR, Guenther KP, Deml MC, Perka C. Mechanical failure of 113 uncemented modular revision femoral components. Bone Joint J. 2020;102-B(5):573-579.  https://pubmed.ncbi.nlm.nih.gov/32349597/
  8. Wirtz DC, Morlock M. Schröder R. Leitfaden Modulare Revisionsendoprothetik. Springer-Verlag Berlin-Heidelberg 2017
  9. Hoberg M, Konrads C, Engelien J, Oschmann D, Holder M, Walcher M, Rudert M. Outcome of a modular tapered uncemented titanium femoral stem in revision hip arthroplasty. Int Orthop. 2015 Sep;39(9):1709-13. https://www.ncbi.nlm.nih.gov/pubmed/25690924
  10. Schmolders J, Friedrich MJ, Michel R, Strauss AC, Wimmer MD, Randau TM, Pennekamp PH, Wirtz DC, Gravius S. Validation of the Charlson comorbidity index in patients undergoing revision total hip arthroplasty. Int Orthop. 2015;39(9):1771-1777. https://pubmed.ncbi.nlm.nih.gov/26105762/
  11. Thorweihe HM. Revisionsendoprothetik der Hüfte – Klinische und radiologische Ergebnisse der MRP-Titanprothese in einer retrospektiven Multi-Center-Studie. Dissertation, 2014.
  12. Wirtz DC, Gravius S, Ascherl R, Thorweihe M, Forst R, Noeth U, Maus UM, Wimmer MD, Zeiler G, Deml MC. Uncemented femoral revision arthroplasty using a modular tapered, fluted titanium stem: 5- to 16-year results of 163 cases. Acta Orthop. 2014;85(6):562-569. https://pubmed.ncbi.nlm.nih.gov/25175667/
  13.  Langenhan R, Trobisch P, Hohendorff B, Baumann M, Probst A. Geriatrische Patienten mit proximalen periprothetischen Femurfrakturen nach Prothesenschaftwechsel. Letalität, Komplikationsrate und weiterer Lebensweg [Patients with periprosthetic femur fractures and consecutive stem replacement. Analysis of survival, complications, and quality of life]. Unfallchirurg. 2013;116(8):716-722. https://pubmed.ncbi.nlm.nih.gov/22527954/
  14.  Wimmer MD, Randau TM, Deml MC, Ascherl R, Nöth U, Forst R, Gravius N, Wirtz D, Gravius S. Impaction grafting in the femur in cementless modular revision total hip arthroplasty: a descriptive outcome analysis of 243 cases with the MRP-TITAN revision implant. BMC Musculoskelet Disord. 2013;14:19. https://pubmed.ncbi.nlm.nih.gov/23311769
  15. Langenhan R, Trobisch P, Ricart P, Probst A. Aggressive surgical treatment of periprosthetic femur fractures can reduce mortality: comparison of open reduction and internal fixation versus a modular prosthesis nail. J Orthop Trauma. 2012;26(2):80-85. https://pubmed.ncbi.nlm.nih.gov/21926637/
  16. Efe T, Schmitt J. Analyses of prosthesis stem failures in noncemented modular hip revision prostheses. J Arthroplasty. 2011;26(4):665.e7-12.  https://www.ncbi.nlm.nih.gov/pubmed/20634038
  17. Mumme T, Müller-Rath R, Andereya S, Wirtz DC. Uncemented femoral revision arthroplasty using the modular revision prosthesis MRP-TITAN revision stem. Oper Orthop Traumatol. 2007;19(1):56-77. https://pubmed.ncbi.nlm.nih.gov/17345027/

Ready for your next hip revision?

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MRS-TITAN Comfort

Hip – Revision
Drei verschiedene Pfannen

MRS-TITAN Standard/Maximum

Hip – Revision