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EP1154743A1 - Bandage - Google Patents

Bandage

Info

Publication number
EP1154743A1
EP1154743A1 EP00900720A EP00900720A EP1154743A1 EP 1154743 A1 EP1154743 A1 EP 1154743A1 EP 00900720 A EP00900720 A EP 00900720A EP 00900720 A EP00900720 A EP 00900720A EP 1154743 A1 EP1154743 A1 EP 1154743A1
Authority
EP
European Patent Office
Prior art keywords
bandage
absorbent layer
patient
layer
limb
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP00900720A
Other languages
German (de)
English (en)
Inventor
Paul Bennett
Ian Douglas Cracknell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Neopress Ltd
Original Assignee
Neopress Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Neopress Ltd filed Critical Neopress Ltd
Publication of EP1154743A1 publication Critical patent/EP1154743A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/06—Bandages or dressings; Absorbent pads specially adapted for feet or legs; Corn-pads; Corn-rings
    • A61F13/08—Elastic stockings; for contracting aneurisms
    • A61F13/085—Openable readjustable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16—Physical interface with patient
    • A61H2201/1683—Surface of interface
    • A61H2201/169—Physical characteristics of the surface, e.g. material, relief, texture or indicia
    • A61H2201/1697—Breathability of the material

Definitions

  • This invention relates to bandages. More particularly, but not exclusively, the invention relates to laminated bandages, for example, such bandages for use in the treatment of venous leg ulcers. The invention also relates to bandage systems
  • leg ulcers are traditionally carried out using a four piece bandage system which comprises a first layer of orthopaedic wool, a second layer consisting of a crepe bandage, a third layer consisting of a light pressure bandage, and fourth layer consisting of a cohesive bandage.
  • This system requires complex measurement of arterial pressures and upwards of half an hour to apply it. Moreover, it is difficult to ensure that the pressure applied by the bandage at various regions is correct.
  • a bandage comprising a first absorbent layer for arrangement adjacent the skin of a patient, and a second absorbent layer on the first absorbent layer, the second absorbent layer having a greater propensity for absorption of fluids than the first absorbent layer, whereby when the bandage is arranged over a wound of a patient, the first absorbent layer can absorb fluid from the wound and the second absorbent layer can absorb said fluid from the first absorbent layer.
  • the bandage advantageously further includes a third layer on the second absorbent layer on the opposite side thereof to the first absorbent layer, the third layer may be an absorbent layer and preferably has a lower propensity for absorption than the second layer.
  • the third layer is permeable to vapour, thereby allowing the skin to breathe, and may have substantially the same absorbency as, or less absorbency than, the first absorbent layer.
  • the third layer may be formed of the same material as the first absorbent layer.
  • the third layer may be substantially impermeable to liquid but permeable to vapour.
  • the bandage may be shaped to conform substantially to a limb of the patient. In the preferred embodiment, the bandage is shaped to conform to the lower leg of the patient.
  • the bandage may be shaped to conform to the foot of a patient or to the lower leg and foot of a patient.
  • the bandage may have a first part shaped to conform to the lower leg of a patient and a second part shaped to conform to the foot of a patient.
  • the bandage may have stitching along the region thereof conforming to the calf region of the leg, and may have stitching along the region conforming to the heel region of the foot. Stitching may also be provided to conform to the two region of the foot.
  • the bandage may have opposite side edges wherein the side edges can be overlapped to a desired degree to fit the bandage to the patients' limb.
  • Securing means may be provided to secure the edge regions together.
  • the securing means is preferably in the form of an adhesive tape. Suitable tabs and/or flaps may also be provided to ensure appropriate overlap.
  • the first absorbent layer may comprise a polyester viscose material.
  • the second absorbent layer may comprise a polyester felt, suitably an hydrophilic polyester felt.
  • the second absorbent layer may comprise cotton wool.
  • the third layer may be a polyester viscose material.
  • the preferred embodiment of the invention has the advantage that it can be used to replace the first two layers of the system described in the introduction.
  • a bandage system comprising a first bandage as described above and a second bandage being a compression bandage, the second bandage comprising a sheet of elastic material and means for releasably maintaining the sheet of elastic material in a stretched condition around a patient's limb.
  • the first bandage is intended to be applied over the skin of the patient's limb
  • the second bandage is intended to be applied over the first bandage.
  • the second bandage is formed from a rubber or rubber-like material, and may be formed a synthetic rubber, for example neoprene.
  • the means for maintaining the material around the patient's limb may include an outer attachment associated with a side edge region of the sheet.
  • the outer attachment comprises a plurality of tabs provided along substantially the length of said side edge.
  • the tabs are preferably so provided along the length of said side edge that there are substantially no gaps between adjacent tabs when the bandage is correctly applied to a patient's limb.
  • One part of a hook and fleece fastening means may be provided on an inner face of each tab
  • the other of said hook and fleece fastenings may be provided on the sheet.
  • the hook fastening is provided on each tab and the fleece fastening is provided on the sheet.
  • the sheet comprises an outer layer formed of a plush material, said plush material constituting the fleece fastening. It will be appreciated that any other suitable fastening means may be provided on the tabs, for example a buckle or other suitable quick release device.
  • Each tab is preferably stretchable, whereby when the second bandage is applied to the limb of a patient, the degree of stretch of the sheet material and of the tabs determines the pressure applied to the limb at the respective tab.
  • the second bandage includes visual indication means to indicate whether the correct pressure is applied to the limb by the bandage.
  • the visual indication means is preferably adapted to indicate the extent to which the respective tab is stretched.
  • the visual indication means comprises a shape applied to at least some, and preferably each, of the tabs to indicate that the correct pressure is applied when the shape alters in a recognisable way.
  • the shapes may be in the form of an oblong, which alter to a square when the correct pressure is achieved.
  • the visual indication means may be so provided such that each indicates the same extent of stretch and correspondingly, the same pressure, or they may indicate different extents of stretch.
  • the visual indication means may be so arranged to indicate a gradation of pressure from one end of the bandage to the other.
  • the preferred embodiment of the bandage system has the advantage that it can replace all four layers of the system described in the introduction and is much simpler and faster to apply. Moreover, it is possible using the preferred embodiment to achieve the desired pressures simply and with accuracy.
  • Fig. 1 is a plan view of a bandage
  • Fig. 2 is a diagrammatic sectional view of a part of the bandage shown in Fig. 1, showing the laminations;
  • Fig. 3 is a diagrammatic side view of a bandage according to a second embodiment of the invention, fitted onto a patient's leg;
  • Fig. 4 is a diagrammatic side view of the bandage of Fig. 3, not fitted onto a patient's leg;
  • Fig. 5 is a diagrammatic perspective view of the bandage of Fig. 3, wrapped around as if to be fitted onto a patient's leg;
  • Fig. 6 is a partial diagrammatic plan view, showing an upper part of the bandage of Fig. 3, laid out flat in its unstretched state;
  • Fig. 7 is a plan view of a flat piece of neoprene cut into a shape suitable for stitching up into a bandage according to the second embodiment of the invention.
  • an absorbent bandage 10 which is particularly suitable for venous leg ulcers, and which comprises a first or inner layer 12, a second or middle layer 14, and a third or outer layer 16 (see particularly Fig. 2).
  • the inner layer 12 is formed of an absorbent material, for example a polyester viscose material.
  • the outer layer 16 is also formed of an absorbent material, which may also be a polyester viscose material.
  • the middle layer 14 is also formed of an absorbent material which has a greater propensity for absorption than the material from which the inner layer 12 is formed.
  • the material from which the middle layer 14 is formed is an hydrophilic polyester felt.
  • the middle layer 14 may be formed from another absorbent material, for example, cotton wool.
  • the absorbent bandage 10 is formed of a shaped sheet of a particular configuration that is intended to conform to the lower leg and foot of a patient.
  • the bandage is shown in a flat condition suitable for stitching into a bandage conforming as aforesaid to the shape of the lower leg and foot of a patient.
  • the absorbent bandage 10 comprises a leg portion 18 which is adapted to fit around the lower leg of a patient, and a foot portion 20 which is adapted to fit around the foot of a patient.
  • a heel portion 21 connects the leg portion 18 to the foot portion 20.
  • the leg portion 18 is formed of first and second sections 18 A, 18B, which are each defined along one side by respective edges 19 intended to be stitched together along their length.
  • the particular profiles of the edges 19 are selected to ensure that the first part 18 conforms closely to the shape of the lower leg of a patient.
  • a heel portion 21 is provided between the leg and foot portions 18, 20 and has edges 21A, 2 IB. It is intended that the edges 21A are stitched together, and the edges 2 IB are also stitched together. In this way, in the resulting bandage 10, the heel portion 21 conforms to the heel of the patient. Furtheredges to be stitched are represented at 22A and 22B in the foot portion 20. These enable the foot portion 20 to conform to the shape of the patient's foot.
  • first section 18A of the leg portion 18 is somewhat larger than the section 18B. This ensures that there is sufficient material for overlap so that the bandage 10 can fit any size of leg.
  • the second section 18B is first wrapped around the patient's leg and the first section 18A is then wrapped over the second section 18B. If necessary, the first section 18A can be trimmed to the appropriate size. In this way, the leg portion 18 can be adjusted to fit around the patient's leg comfortably.
  • Appropriate adhesive tape (not shown) can be used to attach the section 18A to the section 18B.
  • the foot portion 20 comprises first and second sections 20A, 20B.
  • the first section 20A comprises a tab 26, and the second section 20B comprises an outwardly extending portion 28. It is intended that the second section 20B is first wrapped over the top of the patient's foot, and the first section 20A wrapped over the second section 20B.
  • the portion 28 is provided to ensure that the bandage 10 fully covers the top of the foot.
  • Appropriate adhesive tape (not shown) can then attach the first section 20A to the second section 20B.
  • the first section 18A also comprises a lower portion 25.
  • lower portion 25 overlies the foot and the tab 26 overlaps the lower portion 25.
  • the tab 26 is attached thereto by appropriate adhesive tape (not shown).
  • the bandage When the bandage has been fitted to the patient, it fits snugly around the patient's lower limb and foot, covering the venous ulcer to absorb any liquid secreted from the wound. No pressure is applied to the leg by the bandage 10.
  • Figs. 3 to 7 illustrate a compression bandage 110 for use with the laminated bandage 10 to form a bandage system.
  • the compression bandage 110 includes an upper part having a body 112 including a sheet of perforated neoprene.
  • the perforations are not illustrated in the drawings, but are approximately 2mm in diameter, and 10mm apart. The perforations allow the leg to breathe, i.e. they allow moisture to leave a patient's leg through the bandage 110.
  • An inner side (in use) of the neoprene is covered with a soft nylon lining, which is comfortable against a patient's leg. The nylon is bonded to the neoprene layer.
  • An outer side (in use) of the neoprene is covered with a layer of cotton plush material, also bonded to the neoprene layer, the function of which is described in more detail hereinafter.
  • the body 112 is bounded by an upper edge 114.
  • a lower edge 115 of the body is stitched to a foot portion 117, which is also made from perforated neoprene enclosed within inner and outer layers of nylon and plush cotton respectively.
  • the body 112 is made up of two shaped sheets of neoprene 150 and 152 (see Figs. 4 and 6).
  • the sheets 150 and 152 are cut with curved edges 154 which are stitched together to form the body 112. This results in a body shape which fits snugly around a patient's leg, taking account of variations in leg diameter between the ankle and calf.
  • the foot portion 117 is made from a simple sheet of neoprene but small slits are cut from the neoprene and the resulting exposed edges 155 joined with stitching 156 to form an appropriately shaped foot portion.
  • Fig. 6 illustrates a flat piece of neoprene cut into a shape suitable for stitching into the bandage 110, showing the places where stitching occurs to form the shaped bandage.
  • Fig. 9 shows the body 112 and foot portions 117 joined but they may be formed from separate sheets of material.
  • the side edges 116A and 116B Extending between the upper and lower edges 114 and 115 of the body 112 are side edges 116A and 116B.
  • the side edge 116A is substantially straight and the side edge 116B slightly scalloped.
  • the foot portion 117B includes corresponding straight and scalloped side edges 119A and 119B respectively.
  • AffLxed to the side edges 116A are a plurality of attachments 122 consisting of rectangular tabs of material provided with VELCRO (trade mark) hooks on their inner sides.
  • the attachment 122 are each approximately 50mm in width (along the length of the patient's leg in use) and 120mm in length (around the patient's leg in use) in their unstretched states.
  • the attachments 122 are affixed to the body 112 by two rows of stitching 132, shown in Fig. 7 and on the uppermost attachment only in Fig. 6.
  • the attachments 122 are made of stretchy nylon material.
  • the foot portion 117 is also provided with similar attachments 122 affixed to the side edge 199A and a narrower end attachment 123.
  • Fig. 6 shows the bandage system in place on a patient's leg and Fig. 8 illustrates diagrammatically the shape of the bandage 110 during application to the leg.
  • the laminated bandage 10 is first applied to the leg as described above.
  • the compression bandage 110 is then applied over the bandage 10, as follows.
  • the compression bandage 110 is wrapped around the leg and the edge 116A is pulled over the edge 116B such that the two overlap as illustrated by the arrows in Fig. 8.
  • the bandage is stretched around the leg, and the attachments 122 are laid onto the cotton plush material such that their hooks engage the material. In the stretched condition, the hooks open up slightly and engage the cotton plush material very firmly.
  • the compression bandage 110 applies the correct pressure all along the leg from the top of the calf to the foot.
  • the preferred pressure decreases gradually from about 35 to 40mmHg at the ankle to about 17 mmHg at the top of the calf.
  • Rectangles 136 provided on the attachments 122 become square when the correct pressure is achieved. Such rectangles may be provided on all the attachments to ensure that the correct pressure is applied along the entire leg. It may be seen that the rectangles 136 of Fig. 8 become square in Fig. 6, when the correct pressure is applied by the bandage to the leg. Because the attachments 122 are provided essentially along the whole length of the compression bandage 110, gradually varying pressure is exerted along the patient's leg. No lines of high or low pressure are established if the bandage is used correctly.
  • the absorbent bandage could be used in situations other than for the treatment of venous leg ulcers. In such cases, the use of the compression bandage would not be required. Further if the absorbent bandage is used to treat wounds other than on the leg, its configuration would be different.
  • the body of the compression bandage 12 need not be manufactured from neoprene but may be made from any suitable stretchy material, for example material incorporating rubber or elastane.
  • the attachments need not incorporate hook or hook and fleece fastenings but may include tapes, cords or other similar materials attached together by hooks, loops, buckles or similar devices.
  • the rectangle 136 may be replaced with any means for indicating the extent to which the body has stretched.
  • any shape may be printed onto the body. A plurality of such shapes may be used, for example, one adjacent to each projection to ensure an even pressure is exerted throughout the entire bandage.
  • the bandage may be designed to be used at a single optimum pressure or it may be provided with different indications to provide different pressures depending on the circumstances. For example three adjacent rectangles could become square at respectively different pressures.

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Materials For Medical Uses (AREA)

Abstract

L'invention concerne un bandage (10) qui comprend une première couche (12) absorbante adjacente à la peau d'un patient et une seconde couche (14) absorbante disposée sur la première couche (12), la seconde couche (14) présentant une plus grande propension à absorber les fluides que la première couche (12) absorbante. Lorsqu'on applique ce bandage (10) par dessus la plaie d'un patient, la première couche absorbante peut absorber le fluide provenant de la plaie et la seconde couche absorbante peut absorber la fluide dans la première couche absorbante.
EP00900720A 1999-01-20 2000-01-20 Bandage Withdrawn EP1154743A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9901085 1999-01-20
GB9901085A GB9901085D0 (en) 1999-01-20 1999-01-20 Bandage
PCT/GB2000/000149 WO2000042957A1 (fr) 1999-01-20 2000-01-20 Bandage

Publications (1)

Publication Number Publication Date
EP1154743A1 true EP1154743A1 (fr) 2001-11-21

Family

ID=10846090

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00900720A Withdrawn EP1154743A1 (fr) 1999-01-20 2000-01-20 Bandage

Country Status (3)

Country Link
EP (1) EP1154743A1 (fr)
GB (1) GB9901085D0 (fr)
WO (1) WO2000042957A1 (fr)

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GB0224986D0 (en) 2002-10-28 2002-12-04 Smith & Nephew Apparatus
GB0325129D0 (en) 2003-10-28 2003-12-03 Smith & Nephew Apparatus in situ
US20060211965A1 (en) * 2005-03-16 2006-09-21 Z-Medica, Llc Device for the delivery of blood clotting materials to a wound site
CA2949821C (fr) 2005-09-06 2021-05-18 Smith & Nephew, Inc. Pansement autonome dote d'une micropompe
FR2898806B1 (fr) * 2006-03-24 2008-07-04 Urgo Soc Par Actions Simplifie Nouveau systeme de contention pour le traitement et la prevention des pathologies des maladies veineuses
US7779625B2 (en) 2006-05-11 2010-08-24 Kalypto Medical, Inc. Device and method for wound therapy
DE602007004546D1 (de) 2006-09-28 2010-03-18 Tyco Healthcare Tragbares Wundtherapiesystem
GB0722820D0 (en) 2007-11-21 2008-01-02 Smith & Nephew Vacuum assisted wound dressing
GB0906056D0 (en) 2009-04-08 2009-05-20 Brightwake Ltd Absorbent wound dressing for wrapping around jointed limbs
USRE43195E1 (en) 2009-05-01 2012-02-21 Brightwake, Ltd. Foot dressing
US9061095B2 (en) 2010-04-27 2015-06-23 Smith & Nephew Plc Wound dressing and method of use
EP2731564B1 (fr) 2011-07-14 2019-04-24 Smith & Nephew PLC Pansement et méthode de traitement
EP3338821B1 (fr) 2012-03-12 2020-05-06 Smith & Nephew plc Pansement pour thérapie de plaie par pression réduite
US9427505B2 (en) 2012-05-15 2016-08-30 Smith & Nephew Plc Negative pressure wound therapy apparatus
AU346291S (en) 2012-05-15 2013-01-09 Smith & Nephew Medical dressing
ES2673223T3 (es) 2012-05-23 2018-06-20 Smith & Nephew Plc. Aparatos para terapia de heridas por presión negativa
RU2015106112A (ru) 2012-08-01 2016-09-20 СМИТ ЭНД НЕФЬЮ ПиЭлСи Раневая повязка
US10076449B2 (en) 2012-08-01 2018-09-18 Smith & Nephew Plc Wound dressing and method of treatment
AU2012244285A1 (en) * 2012-11-01 2014-05-15 MARX, Raymond MR Absorbent wrap for a limb
US10610414B2 (en) 2014-06-18 2020-04-07 Smith & Nephew Plc Wound dressing and method of treatment
JP6725528B2 (ja) 2014-12-22 2020-07-22 スミス アンド ネフュー ピーエルシーＳｍｉｔｈ ＆ Ｎｅｐｈｅｗ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ 陰圧閉鎖療法の装置および方法
GB2555584B (en) 2016-10-28 2020-05-27 Smith & Nephew Multi-layered wound dressing and method of manufacture
KR102296545B1 (ko) * 2019-11-26 2021-09-01 김도환 붕대 조립체
CN118265510A (zh) * 2021-11-26 2024-06-28 墨尼克医疗用品有限公司 医用敷料

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Also Published As

Publication number Publication date
WO2000042957A1 (fr) 2000-07-27
GB9901085D0 (en) 1999-03-10

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