Thermotherapy device

Details Thermotherapy device Thermotherapy device

2006-01-05

2009-06-02

Gibson, Roy D (Department: 3739)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Thermal applicators

C607S108000, C607S112000, C607S114000

Reexamination Certificate

active

07540878

ABSTRACT:
A thermotherapy device has a plurality of heat generation portions disposed on a flexible band-like body, the heat generation portions each comprising a base sheet and an oxygen permeable sheet forming the flexible band-like body, a bag-like accommodation portion formed between the base sheet and the oxygen permeable sheet, and a composition that generates heat filled in the accommodation portion, wherein the filling ratio R satisfies expression (1) below and is less than 0.7, and the heating value of the exothermic composition is not less than 0.26 kcal/cm2per planar area of the accommodation portion:in-line-formulae description="In-line Formulae" end="lead"?R≦−0.016S+0.94  (1)in-line-formulae description="In-line Formulae" end="tail"?wherein S is the planar area of the accommodation portion of the exothermic composition (unit: cm2), and R is defined by the following expression:R=(mass of the exothermic composition in the accommodation portion)/(maximum mass of the exothermic composition that can be filled in the accommodation portion).

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