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Structural Fat Grafting

Structural Fat Grafting | Fat Harvesting, Purification, and Coleman Technique

Verified by Dr. Vishal Purohit, MBBS, MS, MCh (Plastic Surgery) • RMC Reg. 28041/14185 • Oct 2026

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How is fat harvested, purified, and injected during structural fat grafting?

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Fat is harvested using specialized atraumatic blunt cannulas under low negative pressure, purified using centrifugation or closed-membrane filtration, and injected in minute droplet micro-aliquots.

Clinical Pathology & Literature Context

The harvested lipoaspirate contains blood, tumescent fluid, ruptured lipid droplets, and intact adipocytes. Centrifugation (at 3000 RPM for 3 minutes) or sterile gravity filtration isolates the dense, viable adipocyte layer and adipose-derived regenerative cells. The purified graft is then transferred into 1 mL micro-syringes and layered meticulously through tiny 1 mm entry ports into multiple tissue depths (subcutaneous, intramuscular, and pre-periosteal).

Surgical & Post-Operative Recovery Protocol

Micro-droplet layering maximizes graft contact with host capillaries, ensuring rapid revascularization and highest survival rates.

Medically Authored & Reviewed:Dr. Vishal Purohit, MBBS, MS, MCh (Plastic Surgery)•RMC Reg. 28041/14185•Last Reviewed: October 2026

What is the difference between macrofat, microfat, and nanofat?

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Macrofat is used for deep structural and body volumization; microfat is used for delicate facial contouring; and nanofat is an emulsified, liquid stem-cell solution used purely for skin rejuvenation.

Clinical Pathology & Literature Context

Macrofat consists of large adipose parcels ideal for buttock or deep breast augmentation. Microfat particles are gently calibrated through 1 mm sizing ports for the cheeks, temples, and jawline. Nanofat is mechanically emulsified and filtered through specialized mesh, destroying mature fat cells while concentrating regenerative mesenchymal stem cells, vascular endothelial growth factors, and stromal vascular fraction (SVF) for microneedling and treating superficial fine lines, dark circles, and scars.

Surgical & Post-Operative Recovery Protocol

Plastic surgeons frequently combine microfat for 3D structure with nanofat for skin tone and radiance in a single session.

Medically Authored & Reviewed:Dr. Vishal Purohit, MBBS, MS, MCh (Plastic Surgery)•RMC Reg. 28041/14185•Last Reviewed: October 2026
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