Patent ID: 8069760

Claim:
A method of installing a fiberglass cast on and cutting the cast for removal from an individual, comprising the steps of: (a) providing a length of a pliable hollow thin-walled guide tube ( 110 ) with (i) a top, (ii) a bottom, (iii) a length, and (iv) open first and second ends; (b) providing an elongate support tool ( 55 ) shaped and dimensioned to slide into and extend along said tube ( 110 ); (c) providing a cutting tool ( 130 ) including (i) a housing ( 132 ), (ii) a motor unit mounted in said housing, (iii) a rotatable shaft ( 133 ) with a proximate end mounted on said motor unit, and a distal end having an outer cutting surface shaped and dimensioned to cut through a fiberglass cast, said shaft being rotated by said motor, and (iv) a guide tool ( 140 ) mounted on said housing and including a tracking foot ( 136 ) positioned beneath said cutting surface and shaped and dimensioned to fit in and slide along said pliable guide tube, (c) sliding said support tool in said pliable guide tube; (d) placing said guide tube and said support tool therein on an individual; (e) applying at least first layer of fiberglass along and over a portion of said guide tube excluding said first end of said guide tube; (f) wrapping said first end of said guide tube over said first layer of fiberglass to form a loop extending around said first layer of fiberglass; (g) applying at least a second layer of fiberglass along and over said portion of said guide tube and said first end of said guide tube to affix said first end of said guide tube between said first and second layers of fiberglass; (h) sliding said support tool out of said guide tube; (i) allowing said first and second layers of fiberglass to harden; and (j) at a subsequent time, (i) cutting said loop, and (ii) manipulating said guide tool to insert said guide foot in said guide tube and slide said guide foot along said guide tube while cutting through said fiberglass layers with said outer cutting surface.