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The proprietary technique

What is TEThA Endolaser

Varicose veins treated by laser, with no cuts — a method with documented scientific grounding.

Official video · TEThA EndolaserThe technique, presented by Dr. Nara Medeiros
TEThA Endolaser procedure
Transfixing Endovenous Thermal Ablation

Transdermal endolaser, no incision.

A transdermal varicose-vein treatment technique using endolaser, developed and validated by Dr. Nara Medeiros. Unlike traditional approaches, it eliminates the need for cutting — with superior aesthetic results and documented scientific grounding.

No incisionsTransdermal treatment, same-day discharge.
Superior aesthetic resultsBeyond traditional approaches.
Peer-reviewed evidenceA proprietary method, published and validated.
Physician training
Published & validated

TEThA in the literature.

The proprietary technique of Dr. Nara Medeiros is documented in two peer-reviewed international journals.

Phlebology · SAGE · 2026

Transfixing Endovenous Thermal Ablation (TEThA) for varicose veins treatment

Prospective single-arm study, 22 patients — quality of life and safety.

Acta Phlebologica · Minerva Medica · 2026

Proof of concept and multicenter case series

Multicenter series, 52 legs (36 patients) — international validation.

TEThA — Transfixing Endovenous Thermal Ablation

The TEThA Endolaser brand identifies the proprietary technique of Dr. Nara Medeiros — now taught to physicians across Brazil and abroad.

Booking

Treat your varicose veins with TEThA

Book an evaluation with Dr. Nara Medeiros.

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