Back to results
US 4,044,773 AGranted
Cold therapeutic package
OwnerHenry Clay Baldwin, IIIinventor
Life of this patent
Estimating the term…
Abstract
Two sheets of polyurethane film are sealed together to form a hollow interior within which water can be frozen into a layer thin enough to be cracked into small ice fragments. The package containing cracked ice is applied to the area to be treated.
Claims5
The method of using a cold therapeutic package for local treatment, said package having a longitudinal axis, comprising the steps of
- forming a generally flat layer of ice between sheets of polyurethane film materials;
- fragmenting the layer of ice into a plurality of small, finely subdivided, randomly shaped and sized particles;
- applying the package about an area to be treated;
- and
- conforming the film materials and the fragmented particles to the contours of the area to be treated.
2 more elements
Dependencies are inferred from the claim text.