Cast for broken limbs and method

Details Cast for broken limbs and method Cast for broken limbs and method

1974-11-13

1976-01-06

Yasko, John D.

Surgery

Truss

Perineal

128DIG20, A61F 504

Patent

active

039304965

ABSTRACT:
A cast for broken limbs and related method, the cast comprising a cylindrical, double wall sleeve fabricated of a thin polymeric or elastomeric material and containing a cylindrical batt of fiberglas or like reinforcement impregnated with a polymeric catalyst. The opposed ends of the cast are constructed so that the spaced sleeves are sealed one to another and also to the cylindrical batt of the fiberglas or the like, which is concentrically disposed within the cast intermediate the spaced sleeves. Spacers may be used to maintain said concentric relationship. The cast comprises a plurality of breather ports, the edges of which are sealed as are the ends of the cast. When it is desired to use the cast, a suitable polymeric material is injected through a filler port into the interior of the cast between the two spaced concentric sleeves. The physician manually kneads the resin within the cast causing the catalyst initially contained within the central reinforcement to become mixed into the polymer thereby initiating polymerization. The filling vessel is detached and the cast is placed upon the injured limb of the patient. A conventional wrapping, such as an elastic roll bandage, is placed on the cast to exert pressure causing the same to conform precisely to the exterior surface of the injured limb. The wrapping is removed once the resin has set and adequately cured.

REFERENCES:
patent: 3373741 (1968-03-01), Hill et al.
patent: 3631854 (1972-01-01), Fryer
patent: 3643656 (1972-02-01), Young et al.
patent: 3656475 (1972-04-01), Hanrahan, Jr.
patent: 3674021 (1972-07-01), Snyder et al.

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