CD Leycom's first product, the Sigma-5DF, was designed to support research into disorders of cardiac function providing enriched hemodynamic information. It was the first of its kind and conceived back in the early 1980s by Professor J. Baan and his research team at LUMC. About 290 units have been distributed to research laboratories worldwide which has resulted in an impressive publication list. The conductance catheter technique is recognised as the ‘gold standard' for analysis of left ventricular mechanical function. The Sigma 5DF is still actively used today and CD Leycom expects to extend this tradition with an ALL NEW PRESSURE-VOLUME loop platform which forms the basis for the new SIGMA-M©.

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The SIGMA-M© is a SMD technology based modular electronic signal conditioner-processor, enabling continuous calibrated measurement of ventricular volume by means of a conductance catheter combined with real time measurement of pressure; a complete system for the study of cardiac function by pressure-volume loop analysis (PV-loops) in ANIMALS.

  • A complete integrated system that offers hardware, software and catheters in one affordable package
  • Expandable in a modular fashion
  • Real-time analysis for more (cost) efficient and effective studies
  • The hardware is software controlled
  • The platform supports all data collected with the Sigma-5DF and CFL-512 thus preventing data bias
  • 16 channel analogue output (optional)

The Sigma-1SA was designed for murine studies as a plug and play, software controlled pressure-volume (PV-loop) measuring device. It has recently been upgraded to the Sigma-2SA©, which packs additional features making murine intracardiac studies easier. It is compatible with Millar Instruments and Scisense catheters.

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cath_kleurUnlike conventional solid-state pressure sensor catheters, CD Leycom catheters are equipped with full-bridge silicone microchip transducers making them more stable and less susceptible to drift. Our catheter line hosts pressure-volume (4F, 7F) combination catheters and pressure only catheters (6F), which are ideally suited for Angiographic studies (1000 P.S.I.) More information...

loops-monitor-400Conduct NT©controls your hardware and takes care of data acquisition and analysis (real-time) in a user-friendly fashion. The software is Windows based and features up to 60 variables that can be displayed in real-time. The user may choose from several views and even tailor the views to preference. Special features: intraventricular segmental dyssynchrony index; automatic calibration. More information...

Sigma-M pressure-volume monitor for animalsThe SIGMA-M©, successor to the Sigma-5DF, is a SMD technology based modular electronic signal conditioner-processor, enabling continuous calibrated measurement of ventricular volume combined with real time measurement of pressure; a complete system for the study of cardiac function by pressure-volume loop analysis. Special features: price:quality; hardware is software controlled; expandable; automatic calibration of pressure and volume. More information...

Sigma-5DF Legacy

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The original Sigma-5DF 'Baan' device; the very first intracardiac pressure-volume analysis instrument.

Over 290 devices have been installed in leading research facilities worldwide; many still in use today.

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Leycom Catheters

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  • In part machine built making them more cost effective.
  • Available in 4-French and 7-French.
  • Full-bridge solid-state sensors guaranteeing less drift.

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