Human Barostat

Dual Balloon Barostat System

The DISTENDER SERIES II™ dual balloon barostat has become the instrument of choice for leading investigators and pharmaceutical companies worldwide. Dual and single balloon configurations for study of the colon, rectum, esophagus, and stomach.

Visceral Sensitivity Testing
When combined with a Perception Panel™ and the Protocol Plus™ universal distension program for Windows, the DISTENDER SERIES II™ becomes a powerful tool for sensory threshold testing.

Protocols Supported

  • AML
  • SRS
  • DRS
  • Random
  • Volumetric Distensions
  • Custom Protocol Generator 
  • Hypo & Hypersensitivity Rectal Testing & Training

    Perception Panel

Pseudo-Barostat Protocol
Rapid Barostat Bag (RBB) volume injection mode with volume compression correction

Notable Features

  • User-friendly graphical interface
  • Pressure programmable in 1 mmHg increments
  • Volume compression correction to yield true balloon volume value for all protocols
  • Barostat pressure & volume injection modes; adjustable flow rate 45mL/s to <1mL/s
  • Single or dual balloon configurations
  • Study upper and lower GI tracts
  • Patient sensory logging 7 key Perception Panel
  • Multiple pressure relief safety features
  • Post procedure review program and customizable report generator


On-site training, 2 year warranty
Technical support by phone or email