Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberUS2633846 A
Publication typeGrant
Publication dateApr 7, 1953
Filing dateDec 18, 1950
Priority dateDec 18, 1950
Publication numberUS 2633846 A, US 2633846A, US-A-2633846, US2633846 A, US2633846A
InventorsWray Carl E
Original AssigneeWray Carl E
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Therapeutic moist heat foot treatment apparatus
US 2633846 A
Abstract  available in
Images(1)
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)

April 7, 1953 E, WRAY 2,633,846

THERAPEUTIC MOIST HEAT F'OOT TREATMENT APPARATUS Filed Dec. 18, 1950 Twp.

JNVENToR. CARL E. WRAY BY WHITEHEAD a v oGL ATTORNEYS Patented Apr. 7, 1953 UNITED STATES PATENT OFFICE THERAPEUTIC MOIST HEAT FOOT TREATMENT APPARATUS 3 Claims.

This invention relates to therapeutic devices, and more particularly to apparatus for the treatment of feet.

An object of the invention is to provide an apparatus for therapeutic treatment of the feet wherein the foot is subjected to warmth; wherein the reet may also be subjected to the combination of warmth and moisture and wherein such treatnient is restricted to the soles of the feet, permitting the upper portions to remain in a natural condition.

Yet another object of this invention is to provide an apparatus for treatment of the feet which is simple in construction and operation, economical in construction and use and adapted for use under various conditions.

With these and other objects in View, all or which more fully hereinafter appear, my invention includes certain new and novel arrangements and combinations of parts as hereinafter described and as defined in the appended claims and illustrated, in preferred embodiment, in the accompanying drawing, in which:

Figure l is an illustration of two units of my invention joined in a common electrical connection to provide a pair of units for treatingboth feet or a person simultaneously.

Figure 2 is a plan of one of the units shown at Fig. l and on a greatly enlarged scale.

Figure 3 is a section as taken on the indicated e line 3-3 at Fig. 2.

Figure 4 is a section as taken on the offsetindicated line 4-4 at Fig. 3 to better illustrate certain constructions of the unit illustrated at Fig. 2.

Figure 5 is similar to Fig. 2 but shown on a con.. siderably reduced scale and illustrating an alternate embodiment of my invention.

Figure 6 is a fragmentary section as taken on the indicated line 6-6 at Fig. 5.

The necessity of treatment of the feet has led to the development of a large number of therapeutic devices, one class being apparatus which applies warmth to the feet, some of which may incorporate the use of moisture thereto to soften callouses, corns and other such growths, thereby permitting relief of discomfort from such ailments. rihe conventional apparatus which relies upon moisture and the combination of warmth and moisture is formed as a sweat boot wherein the foot is placed or enclosed. In such construction, moisture is generally supplied, at least in part, by sweating the foot. However, in therapeutic treatment through the soles of the feet, such devices have been found unsatisfactory, for

it is often desirable to apply a warm, moist treatment to the soles of the feet and yet permit the skin on the upper parts of the feet to remain in natural state, because that skin is considerably softer and more delicate than the skin of the soles of the feet and may be injured by excessive leeching of the natural oils therefrom, resulting in shriveling.

With this problem in View, the present invention was conceived and developed and comprises, in essence, an open foot-warming pad wherein the warming element is held against the soles of the feet, with an absorbent, moistureretaining layer interposed between the warming element and the feet soles and adapted to direct warm vapors against the soles of the feet.

In preferred construction, each one or" a pair of my improved foot-treatment units l0 is joined to one of the iurcations of an electrical cord Il, as clearly illustrated at Fig. l, which cord includes a conventional plug I2 for application to any common outlet and a regulator switch I3, of conventional construction, which contains within it a plurality of resistance stops to regulate the current into the units IU and thereby provide a selection of heat flow and temperature rates from the units.

A unit Il! is formed with an elongated base lf-l containing a heel section generally indicated at l5 and a toe section as at I6. In the construction shown at Fig. 2, such unit may be longitudinally symmetrical to receive either a right or left foot. When formed as pairs, the units thereof may respectively assume the conventional symmetry of the right or left foot.

The base I4 is formed of a iiattened envelope of insulating material such as rubber or plastic having both dielectric and moisture-resisting characteristics and suilicient rigidity and toughness to withstand the strains and abuse that would result from the wearer using the unit to walk in. Within this base, there is provided an electrical resistance coil Il, suitably wound about a resilient insulating pa-d i8 of a shape similar to the shape of the base I-i and lodged therein. Between the coil I1 and the base material id, there is provided a thin layer of thermo-resistive materials, such as asbestos bers i5, to separate the coil ii from the base material. rEhe resistance of the coil il is such that it will provide a pre-determined heat flow therefrom and through the base material, depending upon the setting or the switch i3. However, to prevent overheating, a thermostat control 20 is suitably provided within the base in series with the coil il'.

A pad 2l of sponge-like liquid absorptive material is secured to the upper face of the base and the shape of this pad is similar to that of the base, and in use, the foot rests directly upon such pad. To hold the foot in place, a heel strap 22 and a toe strap 23 are provided and conveniently secured to the base at its edges in any conventional manner as by rivets 2li. As the pad 2l is of resilient, yieldable material, its peripheral edge may be enclosed within a semi-rigid fencing strip 25 formed in any convenient manner and cemented to the base upper face. Since this unit Hl is constructed in such a manner that the wearer may walk in it, the material forming the pad 2l must he of such rigidity that the wearer will not squeeze out the liquids absorbed therein, and the thickness and rigidity must be such that only the sole of the foot will be depressed into the pad.

In use, the pad 2l may be moistened or saturated with water or with any therapeutic solution desired and upon heating of the coil il, the heat flow therefrom passing into the' pad tends to Warm the water and cause vapors to issue from the pad 2i and against the soles of the feet. It follows that with such treatment, the soles of the feet may become warmed and moistened and sweat profusely while the upper portions of the feet remain in natural state. The advantages of such treatment are many and obvious, as for example, when an individual has been on his feet for an extended period, it is the soles or" the feet which need treatment rather than the upper sides.

Alternate constructions of my invention are possible and, as illustrated in Figs. and 6, the moistening of the pad 2i may be continuous and accomplished by means of a reservoir 2t which surrounds the pad 2l periphery in place of the fencing strip 2E. Communicating from this reservoir and to the absorbent pad 2l is a plurality of porous plugs 2l which permit capillary ilow from the reservoir into the absorbent pad 2 l. The reservoir may be relled with liquid in any conventional manner as through an oriiice 28 normally enclosed by a cap 2S.

While I have illustrated and herein described many ndetails of construction of my invention, alternatives and equivalents, which are within the spirit and scope of my invention, will occur to those skilled in the art, and hence it is my desire that I be limited in my protection only by the proper scope of the appended claims.

I claim:

1. A therapeutic apparatus for treatment of the soles of the feet, adapted to be worn as a sandal, comprising a foot-shaped base formed as an envelope of moisture-impervious material of suicient rigidity and resilience to withstand the weight, yet yield to movements, of a wearer, a resilient liquid-absorptive pad seated upon the envelope, said pad being of such thickness and depressibility that it will support the Weight of a man without depressing the pad further than to form contact with the sole of the foot and without squeezing the absorbed liquid from the pad, heating means within said base adapted to heat and vaporize liquid within said pad, a peripheral fencing strip about said pad adapted to prevent the lateral flow of liquid therefrom, and a heel strap and toe strap upstanding the pad, adapted to fasten the pad upon a foot.

2. A therapeutic apparatus for treatment of the soles of the feet, adapted to be worn as a sandal, comprising a foot-shaped base formed as an envelope of moisture-impervious material of sucient rigidity and resilience to withstand the weight, and yield to movements, of a wearer, a resilient liquid-absorptive pad seated upon the envelope, said pad being of such thickness and depressibility that it will support the weight oi a man without depressing the pad further than to form contact with the sole of the foot and without squeezing the absorbed liquid from the heating means within said base adapted to heat and vaporize liquid within said pad, a peripheral reservoir about said pad and provided with porous plugs communicating with the pad and which are adapted to permit a slow capillary now of liquid from the reservoir to the pad.

3. The apparatus defined in claim 2, including glee and toe straps adapted to hold the pad to a CARL E. WRAYA REFERENCES CITED The following references are of record in the

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US1754763 *Feb 13, 1928Apr 15, 1930Marcus Nunnally JosephTherapeutic pad
US1992648 *May 21, 1932Feb 26, 1935Browne William WDevice for applying medicaments or disinfectants to feet
US2339409 *Jan 28, 1942Jan 18, 1944Colvinex CorpElectrically heated shoulder pad
US2451906 *Aug 7, 1947Oct 19, 1948Berman Henry LFoot medication applicator
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3170465 *Jun 26, 1962Feb 23, 1965Henney James EInternal body heating devices
US3247851 *Mar 13, 1962Apr 26, 1966Seibert Margaretta JeanApparatus for applying liquids to the body
US3621191 *Apr 21, 1970Nov 16, 1971Woodrow D CornwellElectrically heated footwear and handwear
US3889101 *Oct 15, 1974Jun 10, 1975Battle Creek Equipment CompanyMoist heating pad
US4080971 *Jul 30, 1976Mar 28, 1978Rory Ann LeeperBattery powered foot warming insole
US4141320 *Sep 29, 1976Feb 27, 1979Hatfield Hubert PPortable egg transporting unit
US4263502 *Nov 16, 1979Apr 21, 1981Allsop Automatic, Inc.Apparatus for heating ski boots
US4288928 *Jul 22, 1980Sep 15, 1981Allsop Automatic, Inc.Method for heating ski boots
US4340053 *Oct 22, 1980Jul 20, 1982Kiichiro SaruiMolded body comprising vegetable oil for generating aerosol for treating athlete's foot
US4665301 *Oct 28, 1985May 12, 1987Larry BondyHeated insert for boots
US6094599 *Mar 24, 1998Jul 25, 2000Ehti Medical CorporationRF diathermy and faradic muscle stimulation treatment
US6385795Aug 2, 2000May 14, 2002Homedics, Inc.Bath apparatus
US6393633Jan 13, 2001May 28, 2002Homedics, Inc.Bath apparatus
US6505358Jan 15, 2002Jan 14, 2003Homedics, Inc.Bath apparatus
US6568000Apr 19, 2002May 27, 2003Homedics, Inc.Bath apparatus with therapy centers
US6725471May 23, 2002Apr 27, 2004Homedics, Inc.Bath apparatus
US6853865Sep 4, 2002Feb 8, 2005Selicor, Inc.Apparatus for RF diathermy treatment
US7302764 *Oct 30, 2004Dec 4, 2007Bossiz HarrisBoot for applying medicines
US7953500May 31, 2011Hk Medical Technologies, Inc.RF diathermy and faradic muscle stimulation treatment
US20040044386 *Sep 4, 2002Mar 4, 2004Beens Jason A.Apparatus for RF diathermy treatment
US20040162583 *Feb 10, 2004Aug 19, 2004Ehti Medical CorporationRF diathermy and faradic muscle stimulation treatment
US20040230226 *Feb 10, 2004Nov 18, 2004Ehti Medical CorporationRF diathermy and faradic muscle stimulation treatment
US20050091880 *Oct 30, 2004May 5, 2005Bossiz HarrisBoot for applying medicines
US20060059618 *Sep 23, 2004Mar 23, 2006Homedics, Inc.Bath apparatus
US20080215115 *Feb 8, 2008Sep 4, 2008Coventina Healthcare Enterprises, Inc.RF Diathermy and Faradic Muscle Stimulation Treatment
US20110172752 *Jul 14, 2011Bingham James BRF Diathermy and Faradic Muscle Stimulation Treatment
USRE29641 *Aug 12, 1976May 23, 1978Battle Creek Equipment CompanyMoist heating pad
DE1107894B *Nov 20, 1956May 31, 1961Georg BaderFussmassagegeraet
Classifications
U.S. Classification604/23, 219/527, 607/111, 604/293, 604/291, 36/2.6, 219/211, 607/104, 219/528
International ClassificationA43B7/00, A61H33/06, A43B7/02, A61F7/02, A61H35/00
Cooperative ClassificationA61F2007/0001, A61F7/007, A43B7/025
European ClassificationA43B7/02B, A61F7/00E