US 2016/0249715 A1 · MEDICAL CRUTCH

Abstract

An elongated walking assistance device includes an upper portion, a lower portion, and an adjustable system which couples the upper and lower portions. The lower portion includes a shock absorbing system attached to a surface contact heel. The adjustable system includes a threaded rod which extends from the upper portion along a longitudinal axis, a pushbutton assembly surrounding the threaded rod, and a tubular shaft capturing the pushbutton assembly. For fine adjustments, the user may rotate the threaded rod with respect to the tubular shaft to adjust the overall length of the device. For coarse adjustments, the user may disengage the pushbutton and slide the tubular shaft along the longitudinal axis.

Claims10

Dependent claims

An elongated medical crutch comprising:

an upper portion including:
an arm support coupled to a handle;
a lower portion including:
a shock absorbing system coupled to a surface contact heel;
and
an adjustable system coupling the upper portion and lower portion, said system including:
a threaded rod extending from the upper portion along a longitudinal axis;
a pushbutton assembly surrounding the threaded rod;
and a tubular shaft capturing the pushbutton assembly and connecting the threaded rod and the lower portion.
wherein:
for fine adjustment, rotation of the threaded rod with respect to the tubular shaft adjusts an overall length of the crutch;
and
for coarse adjustment, the pushbutton assembly is actuated to disengage the pushbutton assembly from the threaded rod for sliding the tubular shaft linearly along the threaded rod.

10 more elements

Dependencies are inferred from the claim text.

Medical crutch

Life of this patent

Medical crutch

Life of this patent

Abstract

Claims10