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MINIMA S

The Minima S is a primary uncemented curved short stem which has been designed following the principles of metaphyseal fixation and a round-of-the-corner insertion technique.


Preserves Greater Trochanter Bone Stock

Allows a fast rehabilitation through soft tissue sparing approaches

The fourth taper conicity enhances stability

About

MINIMA S covers all surgical approaches.

The MINIMA S triple tapered stem provides good fixation and minimises subsidence improving loading of the proximal femur, therefore maintaining bone quality and avoiding stress shielding. The trapezoidal cross-section in Titanium alloy allows a better load transmission than other cross-section shape and or different material. An optimized calcar stress distribution is achieved through a rounded medial region. The stem comes with a high open porosity combined with high roughness.


Please see the article on the MINIMA S stem by Prof. Drosos at the following link: https://pubmed.ncbi.nlm.nih.gov/32405472


BIBLIOGRAPHY [1] Müller M, Tohtz S, Springer I, Dewey M, Perka C. Randomized controlled trial of abductor muscle damage in relation to the surgical approach for primary total hip replacement: minimally invasive anterolateral versus modified direct lateral approach. Arch Orthop Trauma Surg. 2011;131(2):179-89. [2] D’Arrigo C, Speranza A, Monaco E, Carcangiu A, Ferretti A. Learning curve in tissue sparing total hip replacement: comparison between different approaches. J Orthop Traumatol. 2009;10(1):47-54. [3] Pflüger G, Junk-Jantsch S, Schöll V. Minimally invasive total hip replacement via the anterolateral approach in the supine position. Int Orthop. 2007;31(Suppl 1):7–11. [4] Hayashi S, Nishiyama T, Fujishiro T, Kanzaki N, Hashimoto S, Kurosaka M. Periprosthetic bone mineral density with a cementless triple tapered stem is dependent on daily activity. Int Orthop. 2012;36(6):1137-42. [5] Sabatinia AL, Goswami T. Hip implants VII: Finite element analysis and optimization of cross-sections. Materials & Design. 2008;29(7):1438–46. [6] Zweymüller KA, Schwarzinger UM, Steindl MS. Radiolucent lines and osteolysis along tapered straight cementless titanium hip stems: a comparison of 6-year and 10-year follow-up results in 95 patients. Acta Orthop. 2006:77(6):871–6. [7] Wick M, Lester DK. Radiological changes in second- and third-generation Zweymüller stems. J Bone Joint Surg [Br]. 2004:86(8);1108–14. [8] Zenz P, Pospisil ., Fertschak W, Schwagerl W. 10 years of cementless implantation of total hip endoprosthesis using Zweymuller’s stem. Z Orthop Ihre Grenzgeb. 1995;133(6):558-61.

Sizing and Options

MINIMA S

MINIMA S Ti6Al4V + PoroTi
Sizes 1 to 12
Std offset 134°
Lateralized offset 131°

Clinical Papers

Drosos GI.

Recent evidence in less invasive approaches and less invasive implants in total hip replacement. Recent Adv Arthroplast. 2017; 1(1): 1- 8.

Drosos GI, Tottas S, Kougioumtzis I, Tilkeridis K, Chatzipapas C, Ververidis A.

Total hip replacement using MINIMA® short stem: A short-term follow-up study. World J Orthop. 2020 Apr 18;11(4):232- 242.

Munakata Y, Kuramitsu Y, Usui Y, Okazaki K.

Comparison of radiographic changes in rectangular curved short stem with thin versus thick porous coating for cementless total hip arthroplasty: a retrospective study with a propensity score matching. J Orthop Surg Res. 2021 Apr 13;16(1):247.

Tottas S, Ververidis A, Kougioumtzis I, Tilkeridis K, Tsigalou C, Karaglani M, Drosos G.

MINIMA Short Stem Versus Standard Profemur (TL) Stem in Primary Total Hip Replacement: A Comparative Study. Cureus 2022 Apr 02; 14(4): e23771

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