Forearm crutch
A forearm crutch (also called a crutch ) is a walking aid on which the forearm can support itself. It consists of a support tube (made of metal or another material) with a handle and can also be provided with a higher-lying cuff .
construction
In addition to the simple basic form, there are variations on the shape of the collar, the handles or the shape of the support tube, such as arthritis support or " physiological walker". This has a support tube that is curved like an "S" in the forearm / hand area. The handle is not attached to the support tube as usual, but is located in the horizontal area of the "S" bend. It is stated that this production can be advanced without manual closure with less effort. The design causes the transfer of the load transfer according to EU standard DIN ISO 11334-1 to about half of the brace, so that the hand and shoulder muscles are significantly relieved.
Special floor buffers ( stick buffers ) can provide better slip resistance .
history
Émile Schlick from Nancy received a French patent on a forearm crutch in 1916 (No. 479.036, applied for on May 7, 1915). The shape common today was designed by the French industrial designer Louis Lucien Lepoix .
Web links
Individual evidence
- ↑ FR479036 - Canne-soutien à appui fixe ou flexible de l'avant-bras at Espacenet; US Patent 1244249 - Walking stick in Google Patents