Patent ID: 8814856
Filing Date: 2014-08-26
Classification: A61B,Y10T

Abstract:
1. A device comprising: a housing configured to be held in a hand of a user; a sliding element within the housing; an extension lever coupled to the sliding element; an extension link that couples the extension lever to the sliding element; a refraction lever directly coupled to the sliding element; a track within the housing; and a guide attached to the retraction lever, wherein the guide slides within the track, wherein: the extension lever and the refraction lever each extend out from the housing, the extension lever moves the sliding element and the retraction lever in a first direction when the extension lever is moved in a second direction and the retraction lever moves the sliding element in the second direction when the retraction lever is moved in the second direction, the extension lever rotates about an extension pivot point of the housing to move the sliding element, the retraction lever slides linearly with the sliding element, a first end of the extension link pivots about an extension link pivot point on the extension lever, the extension link pivot point is different than the extension pivot point, and a second end of the extension link pivots about a block pivot point attached to the sliding element.