Moldable self-setting and bioactive bone wax for bone hemostasis and defect repair
Ziyang Liu1, Chuang Liu2, Huan Zhou2
1Department of Orthopedics, Tianjin Hospital, Tianjin, China.
Journal of Orthopaedic Translation
|February 3, 2025
Summary
A novel bioactive calcium phosphate-based bone wax (CaPBW) offers improved hemostasis and bone regeneration compared to traditional bone wax. This next-generation material aids in orthopedic surgery by providing both bleeding control and defect repair.
Area of Science:
- Biomaterials Science
- Orthopedic Surgery
- Regenerative Medicine
Background:
- Bone injuries with bleeding and defects pose challenges in orthopedic surgery.
- Traditional bone wax aids hemostasis but hinders bone healing due to its inert and non-degradable nature.
Purpose of the Study:
- To develop an in situ self-setting bioactive calcium phosphate-based bone wax (CaPBW) for simultaneous bone hemostasis and defect repair.
- To evaluate CaPBW's properties, biocompatibility, osteogenic, and hemostatic abilities.
Main Methods:
- A novel formulation of CaPBW was created using calcium phosphate cement (CPC), monetite granules, modified starch, and polyethylene glycol (PEG).
- Material characterization, physical and chemical property assessments, and in vitro/in vivo biological evaluations were performed.
Main Results:
- CaPBW demonstrated moldability and in situ solidification upon contact with physiological fluid, effectively sealing defects.
- In vitro studies showed CaPBW superior to bone wax in blood coagulation and osteoblast differentiation.
- In vivo studies confirmed CaPBW's efficacy in hemostasis and enhanced bone regeneration.
Conclusions:
- CaPBW preserves the handling advantages of traditional bone wax while offering enhanced hemostasis and bone regeneration.
- The integrated design of osteogenesis and hemostasis positions CaPBW as a next-generation bone wax with significant translational potential for orthopedic applications.
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