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. 1987;2(2):141-9.
doi: 10.1016/s0883-5403(87)80021-9.

Vacuum mixing of acrylic bone cement

R L Wixson, E P Lautenschlager, M A Novak

Vacuum mixing of acrylic bone cement

R L Wixson et al. J Arthroplasty. 1987.

Abstract

A partial-vacuum (500-550 mmHg), slow-speed (2 Hz) system for optimal blending of the liquid and powder components of Simplex-P acrylic bone cement was developed to eliminate five different sources of porosity observed with x-ray during the course of cement preparation and specimen fabrication. The vacuum mixing system produces set specimens of less than 1% porosity that have significant improvements over specimens prepared with conventional mixing in the mechanical properties of tensile and compressive strength and uniaxial tensile fatigue life. Hence, a much stronger cement can be available in surgery without any change in original chemical composition.

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