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TUCBDP Technology

Transurethral columnar balloon dilation: the mechanism explained.

A non-implant, non-thermal BPH MIST. Triple-Balloon Columnar Catheter performs controlled dilation of the prostatic urethra, achieving mechanical relief of obstruction.

TUCBDP Triple-Balloon Columnar Catheter

What is TUCBDP?

TUCBDP — Transurethral Columnar Balloon Dilation Procedure — a category III medical device indicated for LUTS caused by BPH. It uses a proprietary Triple-Balloon Columnar Catheter.

TUCBDP triple-balloon catheter — columnar balloon design

Positioning (distal)

Intravesical anchoring prevents displacement during dilation.

Columnar dilation (middle)

Uniformly expands full length of prostatic urethra.

Anchoring (proximal)

Stabilizes near the external urethral meatus.

Procedure steps

  1. Cystoscopic confirmation of prostatic urethra
  2. Triple-Balloon catheter inserted; positioning balloon inflated
  3. Dilation balloon inflated at prostatic segment to preset pressure
  4. Maintained 5-10 minutes
  5. Sequential deflation; catheter withdrawn
  6. Indwelling catheter placed (2–3 days)

vs other MIST modalities

TUCBDP represents the second-generation evolution of balloon dilation: columnar triple-balloon design with precise positioning and uniform expansion.

Parameter TUCBDP UroLift Rezūm HoLEP
MechanismStructural dilationImplant retractionThermal steamLaser resection
ImplantNoneYesNoneNone
ThermalNoneNoneYesYes
EjaculationHighHighMediumLow
Local anesthesiaYesYesSedationGeneral/spinal
Equipment req.LowMediumHighHigh

Full MIST comparison

Clinical data

MetricBaseline12 monthsChange
IPSS20.2 ± 4.46.6 ± 1.167% ↓
Qmax (ml/s)8.91 ± 3.1318.11+103%
PVR (ml)76 ± 820 ± 8.574% ↓
QoL4.6 ± 0.21.4 ± 0.370% ↓
Ejaculation—95.6%RE 4.45%
Complications—4.29%vs TURP 12.86%

N=342 multicenter study. Gen 2 in progress.

Technical specifications

Catheter
18-22 Fr
Balloon length
30-50 mm
Dilation dia.
Max 35-45 mm
Applicable
30-80 ml prostate
Procedure
15-20 min
Anesthesia
Local / sedation / spinal

Indications and contraindications

Indications

  • IPSS ≥ 12
  • Medication ineffective
  • Small prostate (≤40 mL) — preferred MIST
  • Post-TURP BNC (strong recommendation)
  • Preserve ejaculation
  • Unsuitable for GA

Contraindications

  • Prostate cancer
  • Urethral stricture
  • Active UTI
Urologist explaining columnar balloon dilation technology to colleagues in conference room

Continue exploring

Surgical Video Clinical Evidence White Paper BPH Treatment Guide

This page is for medical information reference only. TUCBDP indications must be evaluated by a licensed physician.