Patent ID: 6251069
Filing Date: 2001-06-26
Classification: A61B

Abstract:
A laryngoscope for tracheal intubation which comprises in combination:a flexible elongated blade comprising in combination:(i) a joint which allows both gradual increase and gradual decrease in angulation of a distal two thirds of said blade in combination with either leftward or rightward rotation of said blade, so that the contour of said blade can be changed in many directions, and not only in the direction of the handle, according to the operator's clinical decision,(ii) a system of four springs and a spatulated plate serving in combination with the joint as part of a mechanism responsible for the changes of flexible blade contour,(iii) two thin double lumen tubes each carrying an inflatable balloon at a distal quarter,(iv) one thin single lumen tube on a concave surface of said blade in between said two thin double lumen tubes; anda handle comprising in combination(i) two control knobs, two pilot balloons and two thin single lumen tubes for independent inflation of each said inflatable balloons,(ii) a control lever and a system of four springs as operable means for the changes in the said flexible blade's contour, and(iii) two tubular housings each of which is attached to one of the two lateral exterior surfaces of a distal one-fifth of said handle, and each of which contains one thin single lumen tube.