A HEAT CONSERVING BANDAGE

Abstract: A heat conserving bandage to cover human or animal tissue, comprising heat reflecting means (1) adjacent said tissue for reflecting heat from said tissue back to said tissue, insulation material means (2) covering said heat reflecting means (1), and textile means (3) covering said insulation material means (2). The heat reflecting means (1) includes a sandwiched structure of a first foil (1a) of plastics material adjacent said tissue, a second foil (1b) of aluminium covering said first foil and bonded thereto, and a glass fibre weave (1c) covering said second foil (1b) and bonded thereto. Further textile means (3') can be inserted between said heat reflecting means (1) and said human or animal tissue. Suitably, the textile means and the heat reflecting means are bonded together by sewing or by means of adhesive to create a pocket for receiving said insulation material means.

Description: A HEAT CONSERVING BANDAGE The present Invention relates to a heat-conserving bandage t cover human or animal tissue. The present bandage finds particular application for treatin muscular damages, inflammation of Joints, tendons an connective tissues and other related defects, and is i particular related to the conservation of natural heat fro the body. The bandage is intended to conserve local heat by reflectio and with a minimum heat absorbtion by the bandage. Th bandage avoids application of chemical or natural local hea irritants which are normally required to stimulate local hea production at the relevant area of the body to be treated The bandage includes a combination of known materials combined and assembled in a new manner and applied in an are of usages for which no such bandages have yet been availabl or known. Still, the present bandage satisfies long fel needs in its field of application. The heat-conserving bandage to cover human or animal tissu comprises, according to the invention, heat reflecting mean adjacent said tissue for reflecting heat from said tissu back to said tissue, insulation material means covering sai heat reflecting means, and textile means covering sai insulation material means. Said heat reflecting means includes a sandwich structure of first foil of plastics material adjacent said tissue, second foil of aluminium covering said first foil and bonde thereto, and a glass fibre weave covering said second foi and bonded thereto. The first foil of plastics material is preferably made o polyester. The thickness of said heat reflecting means is preferably i the range of 0.3-0.8 millimetres, and more preferably of thickness equal to 0.65 millimetres. The said insulation material means has a closed cell structure. Suitably, the insulation material means is made from neoprene rubber or polyethylene. The insulation material means has preferably a thickness in the range between 2 and 16 millimetres. Said textile means is suitably a cotton structured textile having a hydrophillic coat. Velcro means are suitably attached to said textile means for locking the bandage about a portion of the human or animal body. If preferred, a further textile means can be inserted between said tissue and said heat reflecting means. Also, said heat reflecting means and said textile means are suitably sewed or bonded together along corresponding edges thereof. If present, the further textile means is also sewed or bonded to said heat reflecting means. Thus, the insulation material means is received in a pocket between the heating reflecting means and the rearmost textile means. These and other embodiments of the present invention will appear from the attached patent claims and the description below with reference to the attached drawing figures showing non-limitative examples of the present invention. Fig. la illustrates a cross section of the bandage according to the present invention. Fig. lb illustrates an enlarged part of heat reflecting mean in Fig. la. Fig. 2 illustrates the bandage wrapped about a bon structure covered by tissue. Fig. 3 illustrates heat transport and reflection related to the present bandage. Fig. 4 illustrates structural build-up of the bandages of Fig. 1 and 3. Fig. 5 illustrates the bandages shown in Fig. 2 in a perspective view without the bone and tissue shown. Fig. 6 illustrates the use of bandage on a horse. Fig. 7 illustrates the use of the inventive bandage on a dog. Fig. 8 illustrates the use of the bandage on a human being. In the drawings, the heat reflecting means is denoted by reference numeral 1 and is made up from a glass fibre weave lc bonded to an aluminium foil lb, which is covered by a foil la of plastics material, suitably a transparent polyester. The overall thickness of the heat reflecting means is suitably 0.3-0.8 millimetre, and most preferably 0.65 millimetre. The insulation material is of a closed cell type and suitably made from neoprene rubber or polyethylene rubber. The thickness of the insulation material 2 is suitably between 2 and 16 millimetres. The bandage has suitably on its rear mostpart a cotton structured textile which covers the insulation material. Suitably, the textile has hydrophillic coat. The thickness of the textile is suitably 0.1-0.65 millimetres. In certain instances, it is preferred to have further textile between the heat reflecting material and the tissue to be covered. That further textile material is labelled 3' and could be of the same type as the textile 3 just described. In Fig. 2 and 3, the bandage is shown without such further textile 3', although it will be appreciated that such further textile 3' could be inserted between the tissue 6 of the human or animal body and the said heat reflecting means 1. In Fig. 2, it is illustrated how the bandage is wrapped around a tissue 6 with a central bone 7. Such body structure is e.g. found in a leg or arm. In order to facilitate easy locking of the bandage, Velcro means 4 are attached to the textile material 3 and provide easily adjustable locking means for said bandage. In Fig. 3 the reference numeral 5 illustrates schematically the heat transport and reflection provided by the heat reflection material 1. In Fig. 3, it is noted that the bandage layers la, b and c are bonded together in a sandwich structure. It is preferable to sew the heat reflecting material 1 and the textile 3 (and possibly also the textile 3') together along at least three corresponding edges thereof, or join these bandage elements by other means of bonding, e.g. by adhesive means. Fig. 5 illustrates the bandages in the form it has when wrapped around e.g. an arm or a leg. The bandage is for sake of simplicity labelled 8 in Fig. 5. In Fig 6, it is illustrated a horse 9 having bandages 10, 11 and 12, said bandages being constructed according to the principles of the present invention. Suitably, the bandage 11 may be provided with light reflection means 13, althoug such means have no bearing on the present inventive consept Fig. 7 illustrates a dog 14 having bandages 15 and 16 on rea and front legs, respectively, said bandages being mad according to the principles of the present invention. Fig. 8 illustrates a human being 17 having a bandage 18 on a arm 19, a further bandage 20 about the abdomen or lowe chest of said human being, and a bandage 21 about a leg 22 o said human being. It will be readily understood from the drawing figures 6- that the positioning of the bandages are examples only an that different locations of bandages, shaping thereof and th number of bandages on the body can be varied without restricting the inventive concept and scope of the present invention. Thus, the bandage can be used on any muscle groups or tissue that require a heat treatment. The present invention is now to be further described with reference to some tests which have been made using the present bandages for treating physical problems related to a horse. The bandage type used for the various tests was of the horse stable wrap. The position of the wrap was approximately 2,5 cm below knee/hock to 5 cm below fetlock joint. The fitting method wrap around the leg was based on a velcro locking system. The objective of the bandage was to conserve heat in a specific area, and to bring up the temperature under the bandage without the assistance of a chemical or natural irritant. The theory of heat applied to the leg of a horse, in order to assist circulation and reduce certain swellings, is not a new supposition. However, systems employed to date, do in most cases have certain drawbacks with negative side effects, and illegality of certain substances prior to some competitions. Typical areas of use are: sprains, concussion related problems, impact traumas and poor lower leg circulation. The initial reaction of the leg of the horses after one of these problems is to swell to an indeterminable degree, so that the wrap must be loosely fitted and have the ability to compress, if the leg swells more than expected. Examples: 1. Case: Four years old warm blood trotting horse Problem: Soft fluid swellings above one hind fetlock joint, commonly called windgalls. Though not large swellings, they were unsightly. The wrap was fitted for a period of one hour, and removed to check the temperature. The leg had sweated directly over the swellings only, and the swellings had gone, the wrap was placed back on the leg for one day, and not replaced. The swellings did not return during the period of examination which was for two weeks. 2. Case: Three year old racehorse. Problem: Trauma to the near fore fetlock joint, with some degree of pain, and a swelling. No opening of the skin was present. The bandage was fitted for a period of twelve hours and removed. No swelling was present. Perspiration had occurred directly over the joint only. The bandage was replaced for twentyfour hours and removed. No pain or swelling was present. The bandage was left off, and pain and swelling did not return. 3. Case: Three year old racehorse Problem: Due to a severe injury to the hock, the horse wa confined to the stable for several months. Due to inactivit the lower part of the leg, below the injury had swollen. Tw bandages were fitted, one to the damaged leg and one to th good leg for a period of twentyfour hours and then removed. The swollen leg had sweated profusely, and the swelling ha been reduced significantly. The good leg, when the bandag was removed, was warm only, and just on the point of sweat. The bandages were identical. 4. Case: Three year old racehorse Problem: Horse had kicked the stable wall with its hind leg. The injury was only a few hours old. A swelling was present with no breaks in the skin. The bandage was used for eight hours and removed. Sweating had occurred directly over the swelling, and the swelling had gone. The bandage was not replaced and the swelling did not reoccur. 5. Case: Five year old race horse. Problem: Severe hard swelling over and around the fetlock joint, extending up the leg 17 cm. The horse had received all possible types of attention, over a period of 18 months, but with limited results. This treatment included a surgical draining. Due to the effect of this on his back leg, it was not possible to train this horse for racing. The bandage was fitted and left in place for 24 hours. When the bandage was removed, it was noted small circular rings of sweat of 2,5 cm in diameter on either side of the main lump. The bandage was replaced. Over a period of 3 days the sweating effect increased until it covered the entire mass, but only the mass and not the rest of the area covered by the bandage. After one week, a reduction in the overall mass could be observed by as much as one centimetre daily. After 6 weeks of treatment which was almost 24 hours per day, no blistering or any signs of irritation were present. After 8 weeks of treatment, it was noted that the mass had been reduced to 5 cm in length, and still showed signs of reducing. The shoes were changed and it was noted that on the bandage leg, the hoof growth had increased 3 times more than the unbandaged legs. There were still no negative side effects on the skin. Hair growth had also increased under the bandage. The mass had been reduced to such an extent that the horse was capable to resume racing training. Cases 1-5 in general. The bandage has been extensibly tested and to date no negative side effects have been shown. The bandage, if used on all four legs of the horse, has clearly illustrated that only the leg or legs that have a problem will sweat, and then only over the problem area. No real table does yet exist for time of healing in these cases, but the use of the bandage clearly demonstrates in similar traumas, attended with conventional remedies, that the time of recovery is far more effective with the use of the inventive bandage. Further examples related to human beings. After the positive results for the bandage used on animals, in particular horses, it was decided to investigate similar types of injuries on human beings and to find out whether the bandage had same positive results in such cases. The following traumas were elected for testing: Sprained ligaments surrounding the knee, swollen calf muscle following a varicose vein removal, a whip lash injury to the neck, the lower part of the arm of a typist which had been a painful problem for several years, an arm of a stroke victim whose arm was always cold and with little movement of his fingers. With the case of the sprained ligament, after the bandage wa fitted the knee sweated for 3 days, and the pain was reporte to be virtually non-existent, and the swelling had gone. Th varicose problem reported significant reduction in size o the swelling. The whip lash injury reported an immediat reduction of pain. The stroke victim reported that the ar was warm and feeling had returned to his hand and fingers The typist reported after one day that for the first time i several years, she had not felt the need for pain killin tablets. Further testing is continuing, but the positive results s far are in line with the findings of the animal results.

Claims: P a t e n t c l a i m s. 1. A heat conserving bandage to cover human or animal tissue, comprising heat reflecting means adjacent said tissue for reflecting heat from said tissue back to said tissue, insulation material means covering said heat reflecting means, and textile means covering said insulation material means. 2. A heat conserving bandage according to claim 1, wherein said heat reflecting means includes a sandwiched structure of a first foil of plastics material adjacent said tissue, a second foil of aluminium covering said first foil and bonded thereto, and a glass fibre weave covering said second foil and bonded thereto. 3. A heat conserving bandage according to claim 2, wherein said first foil of plastics material is .made of polyester. 4. A heat conserving bandage according to claim 2 or 3, wherein the thickness of said heat reflecting means is in the range of 0.3 - 0.8 millimeters. 5. A heat conserving bandage according to claim 4, wherein the thickness of said heat reflecting means is 0.65 millimeters. 6. A heat conserving bandage according to claim 1, wherein said insulation material means has a closed cell structure. 7 . A heat conserving bandage according to claim 6, wherein sai insulation material means is made from neoprene rubber o polyethylene rubber. 8. A heat conserving bandage according to any one of the claim 1, 6 or 7, wherein said insulation material means has thickness in the range between 2 and 16 millimeters. 9. A heat conserving bandage according to claim 1, wherein sai textile means is a cotton structured textile having hydrophillic coat. 10. A heat conserving bandage according to claim 1, wherein said textile means is provided with velcro means for locking the bandage about a portion of a human or animal body tissue. 11. A heat conserving bandage according to any one of the preceding claims, wherein further textile means is located between said tissue and said heat reflecting means. 12. A heat conserving bandage according to any one of the claims 1 - 10, wherein said heat reflecting means and said textile means are sewed or bonded together along corresponding edges thereof to create a pocket for receiving said insulation material means. 13. A heat conserving bandage according to any one of the claims 1 - 11, wherein said further textile means, said heat reflecting means and said textile means are sewed or bonded together along corresponding edges thereof to create a pocket for receiving said insulation material means. AMENDED CLAIMS [received by the International Bureau on 2 December 1992 (02.12.92); original claim 10 cancelled; claims 1, 2 and 6 replaced by new claim 1; claims 3, 4 and 5 replaced by new claims 2-4 claims 7-9 replaced by new claims 5-7; claims 11, 12 and 13 replaced by new claims 8-10 (2 pages)] 1. A heat conserving bandage to cover human or animal tissue, comprising heat reflecting means adjacent said tissue for reflecting heat from said tissue back to said tissue, insulation material means covering said heat reflecting means, and textile means covering the rear of said insulation material means, the improvement wherein said heat reflecting means includes a sandwiched structure of a first foil of plastics material adjacent said tissue, a second foil of aluminium covering said first foil and bonded thereto, and a glass fibre weave covering said second foil and bonded thereto, and wherein said insulation material means has a closed cell structure. 2. A heat conserving bandage according to claim 1, wherein said first foil of plastics material is made of polyester. 3. A heat conserving bandage according to claim 1 or 2, wherein the thickness of said heat reflecting means is in the range of 0.3 - 0.8 millimeters. 4. A heat conserving bandage according to claim 3, wherein the thickness of said heat reflecting means is 0.65 millimeters. 5. A heat conserving bandage according to claim 4, wherein said insulation material means is made from neoprene rubber or polyethylene rubber. 6 . A heat conserving bandage according to any one of the claims 1 or 5, wherein said insulation material means has a thickness in the range between 2 and 16 millimeters. 7. A heat conserving bandage according to claim 1, wherein said textile means covering the rear of said insulation material means is a cotton structured textile having a hydrophillic coat. 8. A heat conserving bandage according to any one of the preceding claims, wherein a further textile means is located between said tissue and said heat reflecting means, said further textile means being a cotton structured textile having a hydrophillic coat. 9. A heat conserving bandage according to any one of the claims 1 - 8, wherein said heat reflecting means and said textile means are sewed or bonded together along corresponding edges thereof to create a pocket for receiving said insulation material means. 10. A heat conserving bandage according to any one of the claims 1 - 9, wherein said further textile means, said heat reflecting means and said textile means are sewed or bonded together along corresponding edges thereof to create a pocket for receiving said insulation material means.

Inventors: PETTERSEN STEIN J, TALBOT DAVID W, WESTBY REIDAR, PETTERSEN, STEIN, J., TALBOT, DAVID, W., WESTBY, REIDAR
Applicants: PETTERSEN STEIN J, TALBOT DAVID W, WESTBY REIDAR, PETTERSEN, STEIN, J., TALBOT, DAVID, W., WESTBY, REIDAR
Application year: 1992
Main classification: A61F7
IPC codes: A61D9, A61F7, A61F13