Non-Contact bridging with polyaxial screw placement.
Freedom of Choice
The NCB® Proximal Humerus Plating System allows controlled targeting of cortical and cancellous screws with polyaxial freedom. The system allows the surgeon to lock the screws at any time during the procedure by using locking caps that are threaded into the plate holes. This locking construct improves angular stability such as fractures in osteopenic bone.1*
Enhance Diaphyseal Fixation
- Aims to provide divergent screw alignment for increased pull-out resistance in the diaphyseal region, even with the MIS Targeting Device.
- Before locking, NCB Screws can act as lag screws. Therefore, NCB Screws can be used for fracture reduction and apply interfragmental compression, a feature not offered with conventional locking systems.
- In the locked mode the NCB Plate acts as an internal fixator without contact between the plate and the bone surface, which is intended to minimize impairment to the periosteal blood supply. This Non-Contact Bridging concept can also be controlled through the use of 1, 2 or 3mm spacers, which are threaded into the plate holes prior to plate insertion.
The NCB® Proximal Humerus Plating System is designed to provide an optimal solution for the treatment of complex fractures of the proximal humerus.
- The NCB Plate Technology allows polyaxial screw placement (30° cone) with screw locking achieved through the use of locking caps that are threaded into the plate holes. The locking construct provides additional stability especially in poor bone quality.
- The NCB Screws (solid and cannulated) are available with different types of screw thread, for cortical or cancellous bone. The screws designed for cortical bone have an increased core diameter and are designed with a double lead thread for fast insertion. Cannulated screws can be placed with high precision – no predrilling is required as they are self-drilling and self-tapping. 4.5mm cancellous and 4.0mm cortical screws are available.
- The percutaneous plate and screw insertion technique continue Zimmer’s success in devising Minimally Invasive SolutionsTM.
- Requiring a small incision to help minimize damage to surrounding soft tissue and a reduced risk of complications with wound healing.4-6
NCB® Proximal Humerus Surgical Technique
Surgical Approach: The NCB® Proximal Humerus Plating System allows controlled targeting of cortical and cancellous screws with polyaxial freedom. The system allows the surgeon to lock the screws at any time during the procedure by using locking caps that are threaded into the plate holes.
1. Muri, Balz et al. Biomechanical Test of the NCB® Plating System with Polyaxial Locking Screws. White Paper. Zimmer GmbH.
2. Tejwani, Nirmal et al. Improving Fixation of the Osteoporotic Fracture: The Role of Locked Plating. Journal of Orthopedic Trauma. 25(6):S56-60, 2011.
3. Evans, Sarah et al. Periosteum, Bone’s “Smart” Bounding Membrane, Exhibits Direction-Dependent Permeability. Journal of Bone and Mineral Research. 28(3): 608-17, 2013.
4. Biggi, F. et al.: Tibial plateau fractures: Internal fixation with locking plates and the MIPO technique, Injury - International Journal of the Care of the Injured, Vol. 41, p. 1178 – 1182, 2010
5. Rüedi, T.P., Buckley, R.E., Moran, C.G.: AO Principles of Fracture Management - Second expanded edition, Volume 1-Principles, AO Publishing, Switzerland, 2007
6. Resch H., Hubner C., Schwaiger R.: Minimally invasive reduction and osteosynthesis of articular fractures of the humeral head, Injury - International Journal of the Care of the Injured, 2001:(32 Suppl 1):SA25-32
*Poor bone quality which makes stable seating of the implant impossible contraindicated.
Zimmer GmbH Winterthur