| Surgical gown with a film sleeve for glove retention and wearer protection -> Monitor Keywords |
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Surgical gown with a film sleeve for glove retention and wearer protectionRelated Patent Categories: Apparel, Body Garments, Vests, Bed GarmentsSurgical gown with a film sleeve for glove retention and wearer protection description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20070000014, Surgical gown with a film sleeve for glove retention and wearer protection. Brief Patent Description - Full Patent Description - Patent Application Claims
[0001] The present invention relates generally to protective garments for use with gloves, for example surgical gowns used with surgical gloves. [0002] Protective garments, such as coveralls and gowns, designed to provide barrier protection to a wearer are well known in the art. Such protective garments are used in situations where isolation of a wearer from a particular environment is desirable, or it is desirable to inhibit or retard the passage of hazardous liquids and biological contaminates through the garment to the wearer. [0003] In the medical and health-care industry, particularly with surgical procedures, a primary concern is isolation of the medical practitioner from patient fluids such as blood, saliva, perspiration, etc. Protective garments rely on the barrier properties of the fabrics used in the garments, and on the construction and design of the garment. Openings or seams in the garments may be unsatisfactory, especially if the seams or openings are located in positions where they may be subjected to stress and/or direct contact with the hazardous substances. [0004] Gloves are commonly worn in conjunction with protective garments, particularly in the medical industry. Typically, the gloves are pulled up over the cuff and sleeve of a gown or garment. However, the interface between the glove and the protective garment can be an area of concern. For example, a common issue with surgical gloves is glove "roll-down" or slippage resulting from a low frictional interface between the interior side of the glove and the surgical gown sleeve. When the glove rolls down or slips on the sleeve, the wearer is at greater risk of exposure to patient fluids and/or other contaminants. [0005] An additional problem associated with the use of surgical gloves is that as a result of the gloves being pulled up over the cuff and sleeve of the gown, a phenomenon known as "channeling" occurs. That is, the sleeve of the gown is bunched up under the glove as a result of pulling and rolling the glove up over the cuff and sleeve. Channels may develop along the wearer's wrist which may become accessible to patient fluids running down the outside of the sleeve of the gown. Such fluids may enter the channels and work down along the channels between the outer surface of the gown and inner surface of the surgical glove. The fluids may then contaminate the gown cuff, which lies directly against the wearer's wrist or forearm, particularly if the cuff is absorbent or fluid pervious. [0006] Surgeons and other medical personnel have attempted to address concerns with the glove and gown interface in different ways. For example, it has been a common practice to use adhesive tape wrapped around the glove portion extending over the gown sleeve to prevent channels and roll down of the glove on the sleeve. This approach unfortunately has some drawbacks. Many of the common adhesives utilized in tapes are subject to attack by water and body fluids and the seal can be broken during a procedure. Another approach has been to stretch a rubber band around the glove and sleeve. This practice is, however, awkward to implement and difficult to adjust or to vary the pressure exerted by the rubber band other than by using rubber bands of different sizes and tensions, which of course necessitates having a variety of rubber bands available for use. Yet another approach has been to incorporate a band of elastomeric polymer on the gown around the sleeve just above the cuff to provide a surface for the glove to cling to. This approach has also proved less than completely satisfactory. [0007] A need exists for an improved device and method for providing an effective sealing interface between a glove and sleeve of a protective garment, wherein the device is easily incorporated with the protective garment and economically cost effective to implement. A further need exists for a gown sleeve that provides a more effective barrier to fluid while retaining a glove. SUMMARY [0008] The present invention provides a protective garment incorporating an effective and economical mechanism for improving the interface area between the sleeves of the garment and a glove pulled over the sleeves. The improvement inhibits the proximal end of the glove from rolling or sliding back down the garment sleeves once the wearer has pulled the gloves on. In this way, the garment according to the invention addresses at least certain of the disadvantages of conventional garments discussed above. The improvement also provides a better barrier to fluid penetration. [0009] It should be appreciated that, although the present invention has particular usefulness as a surgical gown, the invention is not limited in scope to surgical gowns or the medical industry. The protective garment according to the present invention has wide application and can be used in any instance wherein a protective coverall, gown, robe, etc., is used with gloves. All such uses and garments are contemplated within the scope of the invention. [0010] In an embodiment of the invention, a protective garment is provided having a garment body. The garment may be, for example, a surgical gown, a protective coverall, etc. The garment body includes sleeves, and the sleeves may have a cuff disposed at the distal end thereof. The cuffs may be formed from or include an elastic material, and may be liquid retentive or liquid impervious. The garment further includes a mechanism for improving the interface area between the sleeves of the garment and a glove pulled over the sleeves. [0011] In one embodiment, the sleeve is formed with a film layer on the outside, where it may be contacted by a glove. The film may extend for the entire length of the sleeve or may cover a half or a quarter of the sleeve, provided it covers the area where a glove would normally contact a sleeve. This film may be of a type to enhance (increase) surface friction between the glove and garment and also increases the fluid penetration barrier properties of the sleeve. Desirably, this film may be a "low-tack" or tack-supressed film that has a relatively low level of stickiness or adhesiveness. [0012] The "low-tack" film applied to the sleeve is desirably an inherently low-tack film with high friction characteristics so as to prevent glove roll-down while not causing the sleeves to adhere to the gown body when the gown is folded. [0013] Embodiments of the protective garment according to the invention are described below in greater detail with reference to the appended figures. BRIEF DESCRIPTION OF THE FIGURES [0014] FIG. 1 is a partial side view of an embodiment of a portion of a protective garment according to the present invention. [0015] FIG. 2 is a cut-away or "see-through" side view of a hand within a glove on a garment sleeve. [0016] FIG. 3 is a drawing of a sleeve before it is bonded together and onto the body of the gown. DETAILED DESCRIPTION [0017] Reference will now be made in detail to one or more examples of the invention depicted in the figures. Each example is provided by way of explanation of the invention, and not meant as a limitation of the invention. For example, features illustrated or described as part of one embodiment may be used with another embodiment to yield still a different embodiment. Other modifications and variations to the described embodiments are also contemplated within the scope and spirit of the invention. [0018] FIG. 1 illustrates a portion of a protective garment 10 according to the invention. The garment 10 includes a main body portion 12, a neck portion 14, and sleeves 16 (one sleeve shown). The sleeves 16 may be made separately and attached at to the main body portion 12 at a seam 18 or formed as an integral component with the main body portion 12. Each sleeve 16 may include an upper or proximal end 20, a lower of distal end 22, and an exterior surface 24. [0019] The garment 10 is depicted as a surgical gown for illustrative purposes only. The garment 10 may be any type or style of protective covering that is generally worn about the body and includes sleeves. [0020] The terms "lower" or "distal" are used herein to denote features that are closer to the hands of the wearer. The terms "upper" or "proximal" are used to denote features that are closer to the shoulder of the wearer. [0021] It should be appreciated that the type of fabric or material used for garment 10 is not a limiting factor of the invention. The garment 10 may be made from a multitude of materials, including nonwoven materials suitable for disposable use. For example, gown embodiments of the garment 10 may be made of a stretchable nonwoven material so that the gown is less likely to tear during donning or wearing of the gown. A material particularly well suited for use with the present invention is a three-layer nonwoven polypropylene material known as SMS. "SMS" is an acronym for Spunbond, Meltblown, Spunbond, and includes the process by which the three layers are constructed and then laminated together. See for example U.S. Pat. No. 4,041,203 to Brock et al. One particular advantage is that the SMS material exhibits enhanced fluid barrier characteristics. It should be noted, however, that other nonwovens as well as other materials including wovens, films, foam/film laminates, and combinations thereof may be used to construct the garment of the present invention. 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