PALAMIX® cartridge vacuum mixing system for bone cement

Using modern cementing technique in arthroplasty is key to ensure long survival rates for endoprostheses and a low risk of revision.1, 2 One of its crucial success factors is a homogeneously mixed bone cement.3

Vacuum mixing improves bone cement homogeneity by reducing porosity and strengthens the bone cement prosthesis interface.4

Advantages of PALAMIX® at a glance:

PALAMIX cartridge vacuum mixing system for bone cement
  • homogeneous bone cement of reproducibly high quality
  • convenient and intuitive handling
  • time saving thanks to collection under vacuum
  • various application options for flexibility in surgery
  • safety for staff and patients

Safety for Staff and Patients

PALAMIX filling funnel including a particle filter and PALAMIX vacuum hose with active charchoal filter

To ensure a high level of safety, PALAMIX® has a filling funnel with two separate sections for the bone cement components. A particle filter in the liquid chamber protects against small glass particles in the bone cement. It avoids injuries and preserves the cement’s mechanical quality.
Additionally, the PALAMIX® vacuum hose comes with an active charcoal filter that minimises Methyl Methacrylate fumes during mixing.5

Mixing and Collecting

PALAMIX - Mixing of componentes and collection of the bone cement is carried out under vacuum

With PALAMIX® the mixing of the components and the collection of the bone cement is carried out under vacuum. This not only facilitates mixing and saves preparation time before application, but also reduces porosity. 6

Applying and Pressurising

PALAMIX® provides various options for application and pressurisation of bone cement. Different nozzles are available for individual procedures and allow flexibility in surgery. With PALAMIX®, it is even possible to expel the mixed bone cement remaining in the nozzle, thereby minimising cement waste.

Pressurisation results in greater penetration of the bone, improved bone cement interface and increased fatigue strength of the cement.7

A spatula clip can be attached to the short nozzle to apply a thin cement layer on the bone or prosthesis.

Pressurisation results in greater penetration of the bone, improved bone cement interface and increased fatigue strength of the cement.7 The knee pressuriser helps to increase the cement’s interdigitation into the tibial plateau.8

Pressurisation results in greater penetration of the bone, improved bone cement interface and increased fatigue strength of the cement.7 The soft material and shape of the femoral pressuriser enhance the sealing of the femur.8

With PALAMIX®, different nozzles are available for individual procedures, which allow flexibility in surgery.

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1 Malchau H, Herberts P, Ahnfelt L. Prognosis of total hip replacement in Sweden. Follow up of 92,675 operations performed 1978–1990. Acta Orthop Scand. 1993; 64(5): 497–506.
2 Breusch S, Malchau H. The Well Cemented Total Hip Arthroplasty. Theory and Practice. Springer Verlag 2005; 147–148.
3 Dunne NJ et al. The relationship between porosity and fatigue characteristics of bone cements. Biomaterials 2003; 24(2): 239–245.
4 Geiger MH et al. The clinical significance of vacuum mixing bone cement. Clin Orthop Relat Res 2001; 382: 258–266.
5 Jelecevic J et al. Methyl methacrylate levels in orthopedic surgery: comparison of two conventional vacuum mixing systems. Ann Occup Hyg. 2014; 58(4): 493–500.
6 Wang JS. The Benefit of Vacuum Mixing. In: The Well Cemented Total Hip Arthroplasty 2005. Springer Verlag; 107–112.
7 Wang JS. Femoral Pressurisation. In: The Well Cemented Total Hip Arthroplasty 2005. Springer Verlag; 160–163.
8 Data on file at Heraeus Medical GmbH.