C-DBL Demo

The Cantrell Dual-blade Laryngoscope (C-DBL) may improve the speed and accuracy of routine intubations and decrease risk of injury.

C-DBL Description

About the Cantrell Laryngoscope

White Paper - August 2008

The Cantrell Laryngoscope was invented by emergency room physician, Elroy T. Cantrell, D.O., Ph.D. to improve the speed and accuracy of routine intubations in the field, in the ER, and in the operating room. Of the roughly 17 million intubations performed in the U.S. per year outside of the operating room, up to 20% are missed. The primary cause of a missed intubation is misplacement of the endotracheal tube into the esophagus. This device will help prevent that disturbingly prevalent medical error.

The Cantrell Laryngoscope consists of two opposing disposable blades and a lever operated by a detachable and reusable handle. It is used to assist in the placement of an endotracheal ("ET") tube into the larynx of a patient creating a patent airway and assisting in proper airway management. This device is meant for use in routine intubations, as opposed to difficult intubations. The device does not remain in the airway or mouth after the endotracheal tube is positioned and secured, but easily slides laterally off the tube (see left). To use the device, the blades are inserted into the mouth and are then separated with the lever to reveal the vocal cords and trachea. The ramp at the tip of the bottom blade will block or partially block the esophagus, preventing misplacement of the endotracheal tube. The device also includes integrated suction and a light to illuminate the throat. These features all contribute to the ease, speed, and accuracy of intubation using the Cantrell laryngoscope.

INTELLECTUAL PROPERTY

The Cantrell Laryngoscope was issued U.S. Patent # 6,991,604 on January 31, 2006, with a priority date of September 4, 2003. There are several other claims pending in Continuation Application #11/292,828, which was filed on December 2, 2005.

Application #PCT/US2004/028714 was filed under the Patent Cooperation Treaty on September 3, 2004 with a priority date of September 4, 2003. The EPO issued European application #04783076.5 on January 20, 2006. National filings were made in March 2006 in the following countries: Canada, Australia, the EU, and Japan.

REGULATORY

We believe this device falls within the classification of Laryngoscope, Rigid, and will be regulated under 21 CFR 868.5540. The classification code will be: CCW.

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