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Innovative Adipose Tissue Fractionation for Transforming Fat into Specialized Components
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Facial fat grafting with a prototype injection control device.

Hugh E Hetherington1, Jon E Block

  • 1Bozeman Deaconess Health Group, Bozeman, MT, USA.

Clinical, Cosmetic and Investigational Dermatology
|September 20, 2013
PubMed
Summary

A new injection control device (ICD) improves fat grafting consistency and efficiency. This device ensures uniform fat distribution, leading to faster recovery and predictable outcomes in facial fat grafting procedures.

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Area of Science:

  • Plastic Surgery
  • Biomedical Engineering

Background:

  • Fat grafting is a common cosmetic procedure.
  • Manual fat injection can lead to inconsistent results and complications.

Purpose of the Study:

  • To evaluate the clinical performance of a prototype injection control device (ICD) for fat grafting.
  • To assess the efficacy and safety of the ICD in facial fat grafting procedures.

Main Methods:

  • A novel ICD was fabricated, mechanically coupling cannula withdrawal with plunger depression.
  • The ICD delivers consistent fat volumes (approx. 33 uL/cm) during withdrawal.
  • 30 facial fat grafting procedures were performed on 26 patients, with subjective evaluation via photographs and a minimum 4-month follow-up.

Main Results:

Keywords:
dermal fillersfacial rejuvenationliposuctionthreading

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  • The ICD demonstrated more consistent correction compared to manual injection.
  • Procedural efficiency was improved, and patient recovery was faster.
  • Minor irregularities were the only reported complications.

Conclusions:

  • The ICD ensures optimal fat distribution as uniform threads, minimizing clumping and tissue trauma.
  • This leads to reduced recovery time, more consistent results, and predictable outcomes.
  • The automated injection process offers significant procedural efficiency and a minimal learning curve.