초록

An ergonomic and proprioceptive handle design for instruments is disclosed. The handle can be used with a wide variety of medical instruments, such as a rongeur, as well as other instruments, such as guns and staplers.

대표청구항 ▼

[ What is claimed is:] [1.] A medical instrument having a working shaft, comprising a body portion axially aligned with the longitudinal axis of said working shaft, a thenar fitting concave rear handle depending downwardly from the rear of said body portion, said rear handle having at least an upper

[ What is claimed is:] [1.] A medical instrument having a working shaft, comprising a body portion axially aligned with the longitudinal axis of said working shaft, a thenar fitting concave rear handle depending downwardly from the rear of said body portion, said rear handle having at least an upper portion comprising a thenar fitting concave curve the concavity conforming to the natural curvature of the thenar eminence of the palm of the user's hand and facing the rear of the medical instrument, a proximal extension extending rearwardly proximate the juncture of said body portion and said rear handle, said proximal extension extending over the dorsum of the user's hand and having a bottom surface for contacting the top of the dorsum whereby the dorsum is in contact with said bottom surface and the thenar eminence is in contact with said thenar fitting concave curve and the first finger and thumb of the user's hand are placed adjacent to said body portion and parallel to the longitudinal axis of said working shaft allowing the grasping of a forward handle by the remaining fingers of the user's hand, said forward handle depending downwardly from said body portion forward of said rear handle and comprising actuation means for actuating said instrument, said body portion having at least a pair of parallel facing side segments in line with said working shaft and proximate the juncture of the front handle to said body portion, said side segments being flat forming a grasping area for the thumb and first finger of the hand of the user, whereby the thumb and first finger of the user when placed on said grasping area are parallel and face one another, said body portion positioned so that said grasping area for the thumb and the first finger of the user are in line with the longitudinal axis of said working shaft;said working shaft, having an operable tip in line with the working shaft.