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James Foort (December 10, 1921 – April 15, 2020) was a Canadian inventor, artist, and innovator in the field of
prosthetic limbs In medicine, a prosthesis (plural: prostheses; from grc, πρόσθεσις, prósthesis, addition, application, attachment), or a prosthetic implant, is an artificial device that replaces a missing body part, which may be lost through trau ...
.


Early life

Foort was born in December 1921 in New West Minster,
British Columbia British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, ...
. In 1941, after spending his childhood as a fisherman and part-time high school student, he joined the
Air Force An air force – in the broadest sense – is the national military branch that primarily conducts aerial warfare. More specifically, it is the branch of a nation's armed services that is responsible for aerial warfare as distinct from an a ...
as a
wireless Wireless communication (or just wireless, when the context allows) is the transfer of information between two or more points without the use of an electrical conductor, optical fiber or other continuous guided medium for the transfer. The most ...
operator. When World War II ended, he attended the College of Victoria, where he finished his high school credits. He earned BASc and MASc degrees in Chemical Engineering at the
University of Toronto The University of Toronto (UToronto or U of T) is a public research university in Toronto, Ontario, Canada, located on the grounds that surround Queen's Park. It was founded by royal charter in 1827 as King's College, the first institution ...
, 1946 - 1951.


Career in prosthetics

After earning degrees in chemical engineering, James joined Colin McLaurin, an Air Force veteran and aeronautical engineer, and Fred Hampton, a leader in the field of prosthetics, at Sunnybrooke Veteran’s Hospital in Toronto in 1951, working for the department of Veteran’s affairs. With the culmination of World War II, veterans across the world were complaining about the quality of their artificial limbs: "There was clearly a coalescence of national need and emotions .which] translated into a political will and funded programs within leading federal agencies in both Canada and the US." At the Sunnybrooke Hospital in Toronto, James helped to develop a prosthetic foot that, unlike any previous models, had no moving parts and essentially functioned like a rocker. In addition, inspired by complaints from fishermen, he replaced the Rawhide (material), raw hide used to protect the prosthesis with a plastic material that was more suited to withstand various elements such as moisture. In 1953, James moved to the
University of California, Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public land-grant research university in Berkeley, California. Established in 1868 as the University of California, it is the state's first land-grant u ...
, where, working with C.W. Radcliff, he helped to develop the
quadrilateral In geometry a quadrilateral is a four-sided polygon, having four edges (sides) and four corners (vertices). The word is derived from the Latin words ''quadri'', a variant of four, and ''latus'', meaning "side". It is also called a tetragon, ...
socket by developing a
jig The jig ( ga, port, gd, port-cruinn) is a form of lively folk dance in compound metre, as well as the accompanying dance tune. It is most associated with Irish music and dance. It first gained popularity in 16th-century Ireland and parts of ...
fitting system for amputations above the knee. Unlike previous technology, these jigs held the correct position of the residual limb, therefore making fitting of the socket for the residual limb easier and more comfortable for amputees to walk. The work that James Foort did at Berkeley remains the basis of contemporary prosthetic alignment according to some in the field. In addition to developing the quadrilateral socket, the team at Berkeley systematized the prosthesis developed by Colin MacLaurin and Fred Hampton for total absence of the limb. The Berkeley team developed the PTB Below knee prosthesis for amputations below the knee. Using completely new technologies, the PTB prosthesis enabled the amputee to walk around with no
corset A corset is a support garment commonly worn to hold and train the torso into a desired shape, traditionally a smaller waist or larger bottom, for aesthetic or medical purposes (either for the duration of wearing it or with a more lasting effe ...
or side joints. Not only did these new adaptations solve the problem of constriction of circulation and ease restriction on the thigh, but it allowed people to be amputated below the knee twice as was usual for amputations related to circulatory problems, thereby increasing their function. James returned to Canada in 1963, where living and working in
Winnipeg Winnipeg () is the capital and largest city of the province of Manitoba in Canada. It is centred on the confluence of the Red and Assiniboine rivers, near the longitudinal centre of North America. , Winnipeg had a city population of 749,6 ...
, he developed a modular system of lower extremity prosthetics. This ‘tinker toy’ system, as he describes it, meant that instead of long delays in the process of making, adjusting, and replacing prosthetics, it could now be done extremely quickly because each of the parts could fit easily into one another. Everything had to be sculpted before. In 1971, James moved to
Vancouver Vancouver ( ) is a major city in western Canada, located in the Lower Mainland region of British Columbia. As the List of cities in British Columbia, most populous city in the province, the 2021 Canadian census recorded 662,248 people in the ...
where, with a team of engineers, he developed a computer program to fit
artificial limbs In medicine, a prosthesis (plural: prostheses; from grc, πρόσθεσις, prósthesis, addition, application, attachment), or a prosthetic implant, is an artificial device that replaces a missing body part, which may be lost through trau ...
. The program provided a means of making the shape of the socket, which would then be used to program the machine that carved the shape. His modular ‘tinker toy’ system would then be used to put the prosthesis together. The computer system would later be known as CAD-CAM (computer aided design and manufacture). CAD-CAM was developed, and later improved, by prosthetics companies such as Bio-Sculptor. James Foort never attempted to
patent A patent is a type of intellectual property that gives its owner the legal right to exclude others from making, using, or selling an invention for a limited period of time in exchange for publishing an enabling disclosure of the invention."A p ...
any of his technological breakthroughs in pursuit of profit, which made the technology more affordable and easily accessible. In 2009 he was awarded an honorary Doctor of Science from Queen's University Ontario.


Personal life

Foort retired in December 1986 and latterly lived in Vancouver where he wrote an opera and spent his time doing art, writing, and urban farming. He died in April 2020 at the age of 98.James FOORT obituary
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References

* Additional information was taken from an interview with James Foort, September 24, 2007.


External links



{{DEFAULTSORT:Foort, James 1921 births 2020 deaths Canadian inventors Canadian expatriates in the United States University of California, Berkeley staff