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Product Specifications

The Zephyr® Endobronchial Valve (EBV) is manufactured in two sizes with overlapping accommodation ranges to allow positioning in a wide range of target bronchial diameters, without the need for highly specific sizing calculations.

4.0 Zephyr® Valve 5.5 Zephyr® Valve

Not actual size. Illustration provided to show relative size of valves.

Item Number Description Size Range
EBV-TS-4.0 Zephyr® 4.0
Endobronchial Valve
4.0 – 7.0 mm
EBV-TS-5.5 Zephyr® 5.5
Endobronchial Valve
5.5 – 8.5 mm

Zephyr Endobronchial Valves are delivered to the target airway using a flexible delivery catheter, sized to match the corresponding valve. Each catheter can be used to deploy up to four valves per patient.

4.0 Zephyr® Delivery Catherer
Item Number Description Minimum Bronchoscope
Working Channel Size / Length
EDC-TS-4.0 Zephyr® 4.0
Delivery Catheter
2.8 mm / 550 or 600 mm
EDC-TS-5.5 Zephyr® 5.5
Delivery Catheter

2.8 mm / 550 or 600 mm

Working length depends on bronchoscope manufacturer

Zephyr® EBV is an Investigational Device in the United States. Limited by U.S. law to investigational use. Chartis® system is for use/sale outside the U.S. only.

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