Episode 175: Orthobiologics in Practice: Bone Marrow Concentrate, the ANGEL System, and the Vortex Needle
In this episode of The Sports Docs Podcast, Dr. Ashley Bassett and Dr. Catherine Logan sit down LIVE from the Arthrex Team Physician Controversies with orthobiologics expert Dr. Spencer Stein to discuss the real-world application of bone marrow concentrate (BMAC) in sports medicine.
The conversation focuses on how to effectively integrate orthobiologics into clinical and surgical practice, with a deep dive into the ANGEL System and Vortex Needle, emphasizing consistency, technique, and appropriate patient selection.
Where BMAC Fits in Practice
Common applications:
Cartilage restoration procedures
Tendon and ligament pathology
Nonunions and osteotomies
Osteochondral and revision cases
Why Bone Marrow Concentrate?
Delivers:
Progenitor cells
Growth factors
Cytokines
Particularly useful in:
Borderline surgical candidates
Revision cases
Biologically compromised environments
The ANGEL System
Closed, automated centrifuge system
Allows customization of hematocrit and final product
Benefits:
Consistency and reproducibility
Ability to “dial in” biologic composition
Reduced variability in outcomes
The Vortex Needle
Designed for controlled, low-volume aspiration
Advantages:
Minimizes peripheral blood dilution
Improves cell concentration and biologic quality
More targeted aspiration technique
Closed-tip design:
Better consistency
Higher quality aspirate
Pearls:
Focus on proper aspiration technique
Use small-volume, targeted draws
Integrate BMAC early in surgical workflow
Train your team for efficiency
Pitfalls:
Poor aspirate technique
Overpromising outcomes to patients
Treating biologics as a cure-all
Future of Orthobiologics
Moving toward:
Indication-specific protocols
Standardized biologic formulations
More targeted applications by tissue type
Featured Guest
Dr. Spencer Stein – NYU Grossman School of Medicine, sports medicine surgeon specializing in arthroscopy and joint preservation
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Arthrex Team Physician Controversies 2026
Our Hosts:
Ashley Bassett, MD & Catherine Logan, MD, MBA / www.cosportsmedicine.com
