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EP4376783A1 - Couverture, en particulier support pour la régulation de la température d'êtres vivants - Google Patents

Couverture, en particulier support pour la régulation de la température d'êtres vivants

Info

Publication number
EP4376783A1
EP4376783A1 EP22748223.9A EP22748223A EP4376783A1 EP 4376783 A1 EP4376783 A1 EP 4376783A1 EP 22748223 A EP22748223 A EP 22748223A EP 4376783 A1 EP4376783 A1 EP 4376783A1
Authority
EP
European Patent Office
Prior art keywords
air
air outlet
cover according
cover
upper layer
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.)
Pending
Application number
EP22748223.9A
Other languages
German (de)
English (en)
Inventor
Michael Graf
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.)
Kohlbrat and Bunz GmbH
Original Assignee
Kohlbrat and Bunz GmbH
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 Kohlbrat and Bunz GmbH filed Critical Kohlbrat and Bunz GmbH
Publication of EP4376783A1 publication Critical patent/EP4376783A1/fr
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
    • A47G9/02—Bed linen; Blankets; Counterpanes
    • A47G9/0207—Blankets; Duvets
    • A47G9/0215—Blankets; Duvets with cooling or heating means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05—Parts, details or accessories of beds
    • A61G7/057—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor
    • A61G7/05738—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with fluid-like particles, e.g. sand, mud, seeds, gel, beads
    • 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
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/0097—Blankets with active heating or cooling sources
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
    • A47G9/02—Bed linen; Blankets; Counterpanes
    • A47G9/0207—Blankets; Duvets
    • A47G9/0223—Blankets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05—Parts, details or accessories of beds
    • 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
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F2007/0054—Heating or cooling appliances for medical or therapeutic treatment of the human body with a closed fluid circuit, e.g. hot water
    • A61F2007/0055—Heating or cooling appliances for medical or therapeutic treatment of the human body with a closed fluid circuit, e.g. hot water of gas, e.g. hot air or steam
    • 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
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F2007/0059—Heating or cooling appliances for medical or therapeutic treatment of the human body with an open fluid circuit
    • A61F2007/006—Heating or cooling appliances for medical or therapeutic treatment of the human body with an open fluid circuit of gas
    • 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
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F2007/0091—Heating or cooling appliances for medical or therapeutic treatment of the human body inflatable
    • 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
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/02—Compresses or poultices for effecting heating or cooling
    • A61F2007/0244—Compresses or poultices for effecting heating or cooling with layers
    • A61F2007/0258—Compresses or poultices for effecting heating or cooling with layers with a fluid permeable layer

Definitions

  • Cover in particular base, for tempering living beings
  • the invention relates to a blanket according to the preamble of claim 1.
  • the invention also relates to a device for stabilizing and/or fixing a living being, in particular a patient or an injured person, with such a blanket.
  • Such blankets are used in particular as pads for tempering patients or injured people. In principle, however, they can also be placed on the body. Their task is to temper the body and - as a base - to store it as pressure-free as possible.
  • warm air is supplied, for example, from a heater fan and blown into the ceiling.
  • Such blankets are used in particular, but not exclusively, in the medical field in order to prevent heat loss from patients to be treated and/or injured persons.
  • thermal blanket An example of a thermal blanket according to the prior art can be found in DE 10207793 B4.
  • the warm air that is blown in exits via the upper layer of the warming blanket itself directly to the patient lying on it and heats them by convective warm air flow.
  • the object of the invention is to create a ceiling of the type mentioned at the outset, with which the disadvantages mentioned can be avoided.
  • the air does not flow out (or at least not primarily) via the upper layer directly to the patient, but via separate air outlet openings in an edge area of the cover, which is remote from the connection for the air supply.
  • the air then flows out of the ceiling in a controlled manner via these air outlet openings.
  • the air flow can also be specifically adjusted by dimensioning the air outlet openings in such a way that a desired degree of inflation of the thermal blanket is achieved.
  • the air flow according to the invention via separate air outlet openings makes it possible to dissipate moisture coming from the body that enters the interior of the blanket through the upper layer, and thus to keep the blanket essentially free of the penetrating moisture over longer periods of time.
  • the air outlet openings according to the invention also allow the connection of air discharge hoses or the like in order to direct the exhaust air out of an operating area or another sensitive area. This makes it possible to meet high sterility requirements. Provision can also be made for at least one air outlet opening to be arranged in an outlet valve, the flow of which can be shut off or adjusted. This means that the flow of air flowing through the ceiling can be adapted to various purposes.
  • FIG. 1 shows a plan view of an exemplary embodiment of a blanket according to the invention, in particular a thermal underlay
  • FIG. 2 shows a schematic side view of the blanket according to FIG
  • FIG. 3 shows a schematic sectional view according to FIG.
  • FIG. 4 shows the schematic arrangement of the exemplary embodiment of a heating pad according to the invention in an operating theater with external hot air supply and external hot air removal, and
  • FIG. 5 shows an exemplary embodiment of a device according to the invention
  • Device for stabilizing and/or fixing a living being, in particular a patient or an injured person with a cover according to the invention and a granulate-filled covering that can be evacuated.
  • the blanket shown in FIGS. 1 to 3, in particular a warming pad, has an upper layer 1 which faces a living being, in particular a patient or injured person. It can be a human body. In principle, however, the blanket according to the invention is also suitable for animals.
  • a lower layer 2 is provided opposite the upper layer 1 and is connected to the upper layer 1 along the edge 6 in an airtight manner—or essentially in an airtight manner. For example, this can be done in that--as FIG. 3 shows--a beading 4 is provided in the edge area 6, which is sewn to the two layers 1 and 2 (see reference number 5).
  • the air enters from the right via a hose 13 and a connection 7a as well as the actual air inlet openings 7. These are formed in projecting, flexible flaps 25.
  • Two further (smaller) flaps 26 can be placed in the direction of the pivoting arrow of FIG. 2, for example, on a person's shoulders. They are then as shown in dashed lines with 26a in FIG.
  • At least one defined air outlet opening 8 is now provided in an edge region 6 of the ceiling, which is remote from the air inlet openings 7 .
  • two air outlet openings 8 are provided, which are arranged in the lower layer 2 .
  • the air outlet openings can be combined in particular with a further variant of the invention, in which it is provided that the upper layer 2 is designed to be essentially airtight, but preferably permeable to moisture.
  • moisture from the living being lying on it for example sweat or blood, but also other moisture penetrating from above, can first get into the interior of the cover, as indicated by the double arrows 10 in FIG. The moisture or liquid is then no longer disturbingly present on the upper side on which the body, in particular the patient or injured person, is lying.
  • this moisture can now be removed in a targeted manner from the interior of the ceiling to the outside via the air outlet openings 8, with the air being guided through the intermediate layer 3.
  • the intermediate layer 3 is preferably designed as a knitted or woven spacer fabric, which has stiff but flexible spacer threads between two textile layers.
  • the textile layers are denoted by the reference number 11, the spacer threads by the reference number 12 (see FIG. 3).
  • Such knitted or woven spacer fabrics have threads made of polyester, for example.
  • spacer fabrics or spacer fabrics allow the body lying on them to be stored without pressure. At the same time, it is possible to regulate the temperature of the body by means of a targeted supply of warm air via the air inlet openings 7 . In addition to warming up, it is also possible to cool down the body if there is a need for it.
  • the air routing according to the invention makes it possible to bring about targeted, loss-free air flows. You can get by with a smaller fan heater or smaller heating units.
  • the upper layer is designed to be essentially airtight, but preferably permeable to moisture. Due to the airtight design of the upper layer, the air can practically only flow out through the air outlet openings 8 in the case of a lower layer that is also designed to be airtight and the seams are essentially tight. This enables targeted airflow.
  • the air outlet openings 8 can preferably be formed or arranged in the lower layer and thus do not disturb the body lying thereon.
  • the air outlet openings 8 can preferably be designed as circular recesses in the respective position, as indicated in FIG. 1 by dashed lines (circular). Of course, other shapes of the air outlet openings are also possible, for example square or polygonal.
  • At least one air outlet opening has a filter or sieve 14 shown in dashed lines. This means that contamination inside the ceiling can be prevented and the air outlet can also be throttled in a targeted manner.
  • the filter or screen 14 can consist, for example, of a circular, textile fabric which has relatively large individual openings and which is glued to the inside of the lower layer 2 around the opening 8, for example.
  • the lower layer is preferably formed from an airtight and liquid-tight material, for example a plastic film or a coated textile fabric. This prevents moisture that penetrates from above from escaping through the ceiling.
  • Air inlet openings are provided.
  • a small number of air inlet openings and outlet openings also allows hoses for the air supply and possibly also for the air discharge to be easily connected.
  • the air inlet openings 7 on the one hand and the air outlet openings 8 on the other hand are arranged on opposite edge regions 6 of the ceiling.
  • the cover has a length L parallel to the body that can be placed on it, according to its greatest length.
  • a central area has the length LI. This extends over at least 70% of the entire length L of the ceiling.
  • this central area with the length LI there are preferably no air outlet openings or only significantly smaller air outlet openings than outside the central area so that essentially all of the air flows out in a defined manner through the separate, individual air outlet openings.
  • the upper layer is advantageously only slightly permeable to air and preferably essentially airtight. Such a design ensures that essentially all or at least a large part of the air flow can flow in a targeted manner from the air inlet openings to the separate individual air outlet openings.
  • Textile fabrics that form at least one layer of the top layer are suitable as materials for the top layer. These can preferably consist of plastic threads. Such textile fabrics can be easily produced, for example as a woven or knitted fabric.
  • the plastic threads of the textile fabric are preferably polyester threads and particularly preferably with a proportion of over 90%.
  • Carbon fibers can also be used in the textile fabric for stabilization, preferably in a proportion of less than 5%. Carbon fibers are very stable and have high tensile strength, but they are also expensive, which is why a small proportion of carbon fibers is preferable. Apart from reasons of stability or strength, the carbon fibers can also be used to avoid electrostatic charges, as they are electrically conductive.
  • the basis weight of the textile fabric is preferably between 90 g/m 2 and 130 g/m 2 . It has been found that with such textile fabrics, the relatively low air permeability on the one hand and the liquid permeability on the other hand, for example for the removal of blood or sweat, can be achieved simultaneously.
  • the fineness of the threads of the textile fabric is below 150 dtex, preferably between 90 dtex and 120 dtex.
  • an operating table 16 for a surgical intervention is shown schematically.
  • a blanket A according to the invention lies on this and the body of a patient and/or injured person lies on it.
  • This warm air flows through the ceiling and out again via the air outlet openings 8 . Provision is preferably made for no air to flow directly towards the body K. It is only the upper layer 1 of the blanket is heated and thus also the body lying on it.
  • the outflowing air can be routed to the outside via an air discharge hose 15 .
  • the vertical dash-dotted lines 18 indicate, for example, an air curtain guided around the operating table or the wall to an adjacent room, d. This means that both the supply air and the exhaust air can be fed in and removed from separate areas.
  • the blanket A according to the invention is combined with a pad B, which has granules 21 in an interior space 20 that can be evacuated via a valve 19.
  • Such pads or vacuum mattresses are already known per se. They serve in particular to stabilize injured persons or patients undergoing surgery.
  • the combination with the blanket according to the invention which is designed in particular as a warming pad, not only allows the body lying on it to be stabilized and fixed, but also to have an excellent temperature control.
  • the blanket and its elastic interior provide perfect pressure relief for the body lying on it.
  • the support B is specially designed. It has granules 21 in the interior and an insert body for stabilizing the granules 21 .
  • the insert body is formed by two textile fabrics 22 , 23 which are connected to one another by a large number of threads 24 .
  • the granules 21, for example in the form of foamed, small polystyrene balls, is arranged in the edge between the two textile fabrics 22, 23 and between the threads 24.
  • the threads 24 act as spacers and together with the two textile fabrics 22, 23 form knitted or woven spacer fabrics.
  • the threads 24 in the support B do not necessarily have to be dimensionally stable themselves. Their main task is to keep the two layers 22, 23 at a constant, maximum distance, which is preferably the same everywhere.
  • the blanket A according to the invention is preferably arranged between the body K and the pad B.
  • the ceiling may lie just under the patient or injured person and for the support to be arranged laterally for stabilization, for example in the form of two supports (not shown here) adjoining the ceiling.
  • warm air can be supplied above room temperature, ie above 20° C., for example via a fan heater.
  • a fan heater for example, a fan heater.
  • a higher temperature for example above body temperature—ie above 36.degree.
  • the blanket according to the invention is preferably suitable as an underlay, in particular a warm underlay. In principle, however, it can also be applied to patients.

Landscapes

  • Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Nursing (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Bedding Items (AREA)

Abstract

L'invention concerne une couverture, en particulier un support pour la régulation de la température d'êtres vivants, comprenant : - une couche supérieure (1), qui fait face à un être vivant, en particulier un patient ou un blessé; - une couche inférieure (2), qui est opposée à la couche supérieure (1); - au moins une couche intermédiaire élastique et perméable à l'air (3) située entre la couche supérieure (1) et la couche inférieure (2); - et au moins une ouverture d'entrée d'air (7), comportant un raccordement (7a) pour amener de l'air, en particulier de l'air chaud, dans la zone de la couche intermédiaire (3), au moins une ouverture de sortie d'air (8) est disposée dans une région de bord (6) de la couverture à distance de l'ouverture ou des ouvertures d'entrée d'air (7), au moins la plus grande partie de l'air amené via l'ouverture ou les ouvertures d'entrée d'air (7) sort de la couverture par l'ouverture ou les ouvertures de sortie d'air (8), la couche supérieure (1) étant perméable aux fluides et la couche inférieure (2) étant sensiblement étanche à l'air et sensiblement étanche aux fluides, de préférence sous la forme d'un film plastique ou d'une feuille textile revêtue.
EP22748223.9A 2021-07-27 2022-07-22 Couverture, en particulier support pour la régulation de la température d'êtres vivants Pending EP4376783A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50620/2021A AT525306B1 (de) 2021-07-27 2021-07-27 Decke, insbesondere Unterlage zum Temperieren von Lebewesen
PCT/AT2022/060266 WO2023004447A1 (fr) 2021-07-27 2022-07-22 Couverture, en particulier support pour la régulation de la température d'êtres vivants

Publications (1)

Publication Number Publication Date
EP4376783A1 true EP4376783A1 (fr) 2024-06-05

Family

ID=82748173

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22748223.9A Pending EP4376783A1 (fr) 2021-07-27 2022-07-22 Couverture, en particulier support pour la régulation de la température d'êtres vivants

Country Status (6)

Country Link
US (1) US20240156284A1 (fr)
EP (1) EP4376783A1 (fr)
JP (1) JP2024528114A (fr)
CN (1) CN117769405A (fr)
AT (1) AT525306B1 (fr)
WO (1) WO2023004447A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1101153S1 (en) * 2021-11-05 2025-11-04 Linet Spol S.R.O. X-ray sleeve for mattress cover for medical bed

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1006401A (en) * 1999-10-25 2001-05-08 Kohlbrat And Bunz Gesellschaft M.B.H. Device for supporting and stabilizing an injured person
DE20202811U1 (de) 2001-02-28 2002-05-08 Ahrens Textil-Service GmbH, 25336 Elmshorn Wärmedecke, insbesondere Wärmeunterlage
EP1941817A1 (fr) * 2007-01-05 2008-07-09 Lidia Moeck Couverture chauffante
US9254231B2 (en) * 2011-07-28 2016-02-09 Huntleigh Technology Limited Multi-layered support system
US10238560B2 (en) * 2013-03-13 2019-03-26 Hill-Rom Services, Inc. Air fluidized therapy bed having pulmonary therapy
TWI577426B (zh) * 2015-09-18 2017-04-11 Bing-Zhong Zhong Can be used repeatedly in the body of the adjustable shape protective pad
US11786395B2 (en) * 2019-11-15 2023-10-17 Eugene Lloyd Hiebert Patient thermal regulation systems

Also Published As

Publication number Publication date
AT525306A1 (de) 2023-02-15
JP2024528114A (ja) 2024-07-26
US20240156284A1 (en) 2024-05-16
AT525306B1 (de) 2025-07-15
CN117769405A (zh) 2024-03-26
WO2023004447A1 (fr) 2023-02-02

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