Apparel – Guard or protector – Body cover
Reexamination Certificate
2000-11-20
2004-04-06
Patel, Tejash (Department: 3765)
Apparel
Guard or protector
Body cover
C002S238000
Reexamination Certificate
active
06715158
ABSTRACT:
The present invention relates generally to padded protective garments and, more specifically, to a padded garment for use by persons who must spend much of their time sitting or lying in one position, in a wheelchair, bed, etc.
BACKGROUND OF THE INVENTION
Persons who are confined to wheelchairs or beds for prolonged periods are subject to “bed sores” or, more accurately, “pressure sores”, which occur due to the breakdown of body tissues which are pressed between bony protruberances of the body and the relatively unyielding surfaces upon which they sit or lay. Particularly is this true where disease or injury has caused muscle atrophy. Healthy strong muscles provide an environment, or “background”, against which the blood vessels push, and when this is gone, the blood vessels themselves atrophy, causing decreased blood supply to these tissues. This is one of the consequences of spinal cord or central nervous system disease or injuries, in addition to the loss of mobility.
Common sites of such sores are the hips or buttocks, caused by restricted circulation as well as compression of tissue between ilia, ischia or coccyx bones, and seats or mattresses. Severe medical problems can result when one who is helpless and confined to wheelchair or bed is left unattended for extended periods.
Persons with such immobility, including those who have lost the use of and, often the sensation in, their lower body, particularly their legs, are especially prone to suffer from this problem. Although pads for wheelchairs are available and effective for many purposes, and are widely used, they are not easily transferred from wheelchair to automobile, sofa, chair or, more commonly, to floor, for use when sitting thereon. The floor is a favorite place for those who wish to be as active as possible, some of whom use it as a place of work, recreation or even relaxation.
It is estimated that more than two-thirds of pressure sores suffered by wheelchair-bound individuals occur during the time they are not in their wheelchairs. Partially, this is because it is difficult and awkward for such a person to move between the floor and a wheelchair, so they tend to stay in one place or the other. Also, however, it is inconvenient and sometimes ineffective to move a cushioning pad between wheelchair and floor, and to keep it in place when moving about on the floor.
Most paraplegics use their arms to propel themselves about from place to place on the floor, particularly if they have developed substantial upper-body strength, and especially if they live alone, where they have control over their environment.
These activities, combined with frequent slidings about, can cause pressure and abrasion sores and, sometimes, bruises or even lacerations from colliding with walls, corners, furniture, and other solid obstacles found everywhere in the average dwelling. These hazards are especially critical because of the lack of sensation in lower body parts which many persons have; even if they suffer an injury, they may be unaware of it until it has become infected. Minor collisions during normal daily activities, i.e., bumping into table legs, stubbing a toe, etc., can cause injuries which can deteriorate into serious medical problems if continually irritated by the same activities, and can have adverse health consequences. The skin of a person suffering from the kind of disabilities described herein can become so vulnerable to breakdown, that constant pressure or abrasion even by clothing seams can cause injury. Consequently, prevention becomes very important.
No references have been found which deal with the range of these very special needs which are substantially ameliorated by the present invention. The lack of sensation due to spinal cord injury makes the problem of adapting existing garments especially difficult, since seams, buckles, or other fasteners can themselves cause the very problems sought to be avoided by protective garments. The fact that these very special needs still exist, in the face of the increasing number of persons having them, indicates that the shortcomings of the references now to be discussed have not been sufficiently obvious to those skilled in the art for them to be adapted to the purposes of the present invention.
The following references are all U.S. patents which disclose protective clothing intended primarily for athletes. None of these references solve the problems solved by the present invention, nor do they suggest any solutions.
Selkirk U.S. Pat. No. 2,516,598 discloses a protective garment for use by baseball players during practice. It is designed to fit over a regular player's uniform and provide protection of both person and clothing during sliding practice.
Holt et al U.S. Pat. No. 3,909,847 discloses a protector intended primarily for female athletes, designed to protect the pelvic regions as well as the hips and tailbone of the wearer.
Carlson et al U.S. Pat. No. 4,462,115 discloses protector panties having pads for protecting female athletes from injury by contact with the floor during competition.
Ferber U.S. Pat. No. 4,807,301 discloses a protector garment in the form of a wrap-around girdle having pockets therein for holding removable pads, and intended to protect the wearer against hip injuries from falling.
Cervalo et al U.S. Pat. No. 4,894,867 discloses protector briefs for protecting wearers against injuries which might be suffered during contact sports.
Guelii U.S. Pat. No. 4,969,216 discloses protector underwear in the form of jockey shorts, with pads incorporated into the seat and crotch, primarily to protect the wearer from discomfort during extended sitting. It is also stated to be effective when worn during sports activities.
Calvert U.S. Pat. No. 4,945,571 discloses a water-filled cushion which can be adapted to a number of uses to increase the comfort of users during various kinds of physical activities.
Gilford et al U.S. Pat. No. 5,052,052 discloses a suit intended for use by skaters, which contains multiple pockets adapted to hold replaceable pads located at strategic areas to protect against injury from falling.
Llorens U.S. Pat. No. 5,103,505 discloses comfort pants containing soft resilient pads, located where a wearer's buttocks contact a seat, intended to provide cushioning for persons who must sit for long periods of time on hard flat surfaces. Llorens does not provide the physically extensive protection of the present invention.
Ross U.S. Pat. No. 5,134,726 discloses sports pants with pockets located at least at the hip, knee, and groin areas so that replaceable pads can be inserted therein to protect a wearer against injury from contact sports.
A pad manufactured by Jay Medical, Ltd. of Boulder, Colo. and designed for use by paraplegics, is advertised and illustrated on page 9 of the March/April, 1993 issue of Sports'n Spokes (S'NS) magazine. It is a bucket-shaped cushion to cradle the buttocks, which fastens over the clothing of a wearer, at the waist and around each leg at the groin. Tests indicate that it catches on projecting objects in the environment and does not remain fixed in position in the range of uses of the present invention. There is no indication that a patent is issued or pending thereon.
SUMMARY OF THE PRESENT INVENTION
The present invention is a padding which can be incorporated into a garment or worn between inner and outer garments, and a garment incorporating such padding. It preferably extends from just below the belt-line to mid-thigh of a wearer and extends around the posterior of a wearer, so as to cushion the ischia bones thereof. Preferably, it is molded to conform to a sitting or recumbent posture. The padding is covered with fabric or other material, selected according to the use intended:
if a wearer spends a great deal of time on the floor, sliding from place to place, the covering should have, preferably, abrasion-resistant qualities and a surface with a low coefficient of friction. The same considerations are important for a wearer who must spend substantial time in bed, to ease the effort of turn
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