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Related Experiment Video

Updated: Oct 20, 2025

Implantation of Inferior Vena Cava Interposition Graft in Mouse Model
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The Infratip Strut Graft.

Darinka Hanga1,2, Dirk Jan Menger2

  • 1Department ENT, Head and Neck Surgery, Bezirkskrankenhaus Lienz, Lienz, Austria.

Facial Plastic Surgery & Aesthetic Medicine
|September 16, 2021
PubMed
Summary

The infratip strut graft (ISG) combined with tongue-in-groove (TIG) sutures offers nasal tip refinement. This hybrid technique enhances stability for patients with weak lower lateral cartilages or thick soft tissue envelopes.

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Area of Science:

  • Plastic Surgery
  • Rhinoplasty Techniques

Background:

  • The infratip strut graft (ISG) is a trapezoid-shaped graft used in rhinoplasty.
  • It is often combined with the tongue-in-groove (TIG) technique.

Purpose of the Study:

  • To evaluate the efficacy of the combined ISG-TIG hybrid technique.
  • To assess its utility in improving nasal tip stability and refinement.

Main Methods:

  • The ISG-TIG technique involves placing an ISG in the infratip lobule after TIG sutures.
  • The graft is stabilized and fixated between the medial crura using absorbable sutures.
  • Approaches include endonasal or external rhinoplasty.

Main Results:

  • The hybrid technique was successfully used in over 50 patients.

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  • The ISG-TIG combination significantly increased infratip lobule and tip-defining point stability.
  • Nasal tip refinement was observed.

    • Conclusions:

    • The TIG-ISG technique effectively supports and stabilizes the medial crura.
    • It is beneficial for patients with weak lower lateral cartilages, thick soft tissue envelopes, or a low caudal septal border.
    • The technique is applicable in both primary and revision rhinoplasty.