Table 3. Commercial cellular bone matrices and their basic characteristics*.

Graft name	Vendor	Components	Cell count	Cell viability
Trinity ELITE	Orthofix Medical	Cancellous bone containing viable cells and demineralised bone	≥ 500000 cells/mL, of which > 100000 cells/mL are osteogenic cells	≥ 70%
Vivigen	DePuy Synthes	Corticocancellous chips containing lineage-committed bone cells and demineralised bone particulate	> 16000 cells/mL	96%
Cellentra	Zimmer-Biomet	Cancellous bone containing viable cells and demineralised cortical bone	≥ 250000 cells/mL in the cancellous tissue	≥ 70%
Osteocel Pro	NuVasive	Cryopreserved viable cancellous matrix and ground demineralised bone matrix	Average of 3 million cells/mL	> 85% on average
Bio4	Stryker	A cryopreserved viable bone matrix product that contains native matrix, endogenous osteoblasts and mesenchymal stem cells, and osteoinductive and angiogenic growth factors	On average, ≥ 600000 cells/mL	≥ 70%
Map3	RTI Surgical	Cortical cancellous bone chips, demineralised bone matrix and multipotent adult progenitor cell-class cells	≥ 50000 viable cells/mL of implant	Not available
Allostem	Allosource	Allogenic adult adipose-derived mesenchymal stem cells combined with partially demineralised allograft bone.	66255 viable cells/mL	Not available

Note: *Adapted from Lin et al.⁵⁴ and Skovrlj et al.⁵⁵