EP3155156A1 - Tissu pour la production d'articles de régulation de chaleur pour maintenir la température du corps et couverture de régulation de chaleur à base de ce tissu - Google Patents

Tissu pour la production d'articles de régulation de chaleur pour maintenir la température du corps et couverture de régulation de chaleur à base de ce tissu

Info

Publication number
EP3155156A1
EP3155156A1 EP15741791.6A EP15741791A EP3155156A1 EP 3155156 A1 EP3155156 A1 EP 3155156A1 EP 15741791 A EP15741791 A EP 15741791A EP 3155156 A1 EP3155156 A1 EP 3155156A1
Authority
EP
European Patent Office
Prior art keywords
fabric
layer
polyester
blanket
heat
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Withdrawn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
EP15741791.6A
Other languages
German (de)
English (en)
Inventor
Alberto Franceschini
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.)
Servizi Ospedalieri SpA
Original Assignee
Servizi Ospedalieri SpA
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 Servizi Ospedalieri SpA filed Critical Servizi Ospedalieri SpA
Publication of EP3155156A1 publication Critical patent/EP3155156A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/02—Moisture-responsive characteristics
    • D10B2401/021—Moisture-responsive characteristics hydrophobic
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/02—Moisture-responsive characteristics
    • D10B2401/022—Moisture-responsive characteristics hydrophylic
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/01—Surface features
    • D10B2403/011—Dissimilar front and back faces
    • D10B2403/0114—Dissimilar front and back faces with one or more yarns appearing predominantly on one face, e.g. plated or paralleled yarns
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2503/00—Domestic or personal
    • D10B2503/06—Bed linen

Definitions

  • This invention relates to a fabric suitable for making products for regulating the temperature of the body which can be used in health and health-related settings. More particularly, this invention relates to a fabric thanks to which it is possible to produce a blanket for regulating the temperature of the body which can be used mainly even if not exclusively in health structures, that is to say, in hospital wards and operating rooms.
  • this invention relates to a blanket for regulating the temperature of the body of a patient which allows this temperature to be kept as constant as possible and which does not decrease below a safety threshold.
  • the blanket for regulating the temperature of the body according to the invention was designed to overcome the problems generated by hypothermia in patients undergoing surgery in operating rooms, in particular for lengthy operations.
  • the blanket for regulating the temperature of the body makes it possible, thanks to its intrinsic features, to maintain the same temperature of the body about 37 °C independently of the room temperature: in the case of excessive body heat, the blanket cools the body, and vice versa, in the case of low body temperature, it heats the body.
  • the blanket for regulating the temperature of the body according to this invention applies to the health sector and can be used mainly even if not exclusively in health structures, that is to say, in hospital wards and in operating rooms.
  • Involuntary intra-operative hypothermia is a significant problem, and may be the source of even severe complications, considering that the mortality of patients with moderate or severe hypothermia is around 40%.
  • hypothermia a "basic" body temperature lower than 36°C, is caused by various factors :
  • These systems include heat-transmitting mattresses and more advantageously thermal blankets, whose heat source may be supplied by a suitable device that sometimes may be integrated with a heating system or it may be obtained by using suitable materials.
  • PCM cellulosic phase changing material
  • Document US 2010/0088818 Al discloses a cover for mattress having a reclining surface of viscoelastic foam having a fabric body with a first surface disposed in engagement with the reclining surface; an opposite, second surface disposed for engagement by a person reclining upon the cover, and at least one air flow region defined by the fabric body for enhanced circulation of air between the reclining surface of viscoelastic foam and an opposed skin surface of the person reclining upon the cover.
  • the circular knit fabric body comprises a flame retardant material.
  • the aim of the invention is to provide a heat- regulating fabric designed to regulate the temperature of the body, which can be used mainly even if not exclusively in health structures, that is to say, in hospital wards and in operating rooms, but which may also be used in the home, and in hotel and sports settings, which is able to overcome, or at least reduce the drawbacks described above.
  • the invention also aims to provide a blanket for regulating the temperature of the body, for example in the typical case of involuntary intra-operative hypothermia, which is relatively easy to make as it is based on materials designed to maintain the heat of the body .
  • the blanket is designed to overcome the problems generated by hypothermia in patients undergoing surgery in operating rooms, in particular for lengthy operations, and which, thanks to its intrinsic features makes it possible to maintain the temperature of the body around 37 °C regardless of the room temperature: in the case of excessive body heat, the blanket cools the body and, vice versa, in the case of a low temperature, it heats the body.
  • the heat-regulating blanket according to the invention achieves the required performance without the use of accessories or external means, retaining its characteristics unaltered for the entire duration of the life cycle of the product.
  • figure 1 is a schematic perspective view of the three layers which make up the fabric according to the invention, in particular for making a blanket;
  • figure 2 is a schematic view of a blanket shown in cross section and with the three layers separate;
  • figure 3 is a schematic view of the blanket with the three layers coupled together.
  • a heat- regulating blanket according to this invention is made of a fabric 10 consisting 50% to 70% of polyester and 30% to 50% of viscose , and has the features described below:
  • microcapsules containing a Phase Change Material
  • These microcapsules act as heat-regulators, absorbing any excess heat and releasing it when necessary, thus creating a constant microclimate.
  • the first layer of the fabric of the blanket according to the invention is made from 50% to 70% of polyester and 30% to 50% of viscose , and does not contain environmentally harmful substances.
  • the fabric 10 generally weighs from 300 to 350 grams per m 2 and is 200 to 215 cm wide.
  • the roll varies in length according to loading and transport requirements.
  • the fabric 10 according to the invention consists of 3 layers of different fabrics and, more specifically:
  • the inner layer 11 which comes into contact with the person, either directly on the skin or indirectly with a sheet in between, is made from Viscose .
  • This layer regulates the temperature thanks to the Phase Change Material present in the Viscose fibre, which traps the heat when it is emitted by an over-heated body and releases it when the body tends to cool down, thus keeping the temperature of the person constant.
  • the Viscose fibre used to make the blanket according to the invention is cellulose-based and is produced starting from wood pulp.
  • This fibre gives the fabric excellent softness and a pleasant sensation of freshness. Thanks to its molecular structure with nanofibrils, it absorbs 130% of steam and 50% of moisture more than pure cotton. This feature also means that steam and moisture are quickly released externally so that the surface of the fabric always stays fresh and dry.
  • the Viscose® fibre effectively counters the proliferation of bacteria thanks to the perfect control of humidity and the microclimate created inside its structure.
  • the intermediate layer 12 made with 100% polyester fibre padding which allows quick release of the humidity produced by the body as perspiration, maintaining a condition of well-being and preventing the proliferation of bacteria.
  • the outer layer 13 made from 100% coloured polyester, providing the blanket with an attractive finish .
  • the three layers 11, 12 and 13 are joined to each other to form the fabric 10 thanks to a single processing with a circular knitting machine; the three layers are coupled together solely through the yarns themselves which join one layer to the next, avoiding the use of glues or other binders.
  • the finished product looks like a padded blanket and this provides greater comfort compared to a simple monolayer fabric which would be less thick and therefore less comfortable, but would also have a reduced performance as well as less appeal in terms of softness and appearance.
  • the intermediate layer 12 of the polyester fibre padding makes it possible to create an air cushion, and serves to eliminate moisture and perspiration, as well as assisting temperature regulation.
  • the outer layer 13 of coloured polyester outer is non-absorbent and this facilitates the transfer and elimination of perspiration and humidity towards the outside.
  • the inner surface 11 in contact with the patient is thus always fresh and dry.
  • phase change material is in the form of paraffin-based microspheres, and is inserted in the heart of the fibres, therefore more protected and resistant to washing .
  • phase change material used for the purposes of this invention
  • conventional insulators retain the heat and humidity, increasing body discomfort
  • thermal adjustment which occurs thanks to the use of a phase change material is an interactive process of perpetual comfort management: absorption, maintenance, distribution and diffusion of body heat by the phase change material embedded in fibres and fabrics. It reduces the sudden changes of temperature and humidity close to the skin, eliminating unpleasant sensations, irritability, tiredness, and a general feeling of discomfort.
  • the first Viscose fibre with embedded phase change material offers all the benefits of normal viscose , such as, for example, softness, smooth to the touch - similar to cotton or to silk - and extreme comfort, and at the same time regulates the temperature thanks to the properties of the phase change material.
  • the Viscose fibre with the embedded phase change material is a cellulose-based material and can be combined with any other type of fibre: from cotton to polyester and polyamide, to technical fibres such as aramide. Thanks to the features of the fibres which make up the fabric with which it is made, the blanket achieves the performance required without the use of accessories or external means, maintaining its characteristics unaltered for the entire duration of the life cycle of the product.
  • the first layer of the fabric according to this invention consisting of Viscose fibre with embedded phase change material, may be used to make various articles for health sector use, such as for example:
  • the fabric according to this invention in the form of a temperature-regulating blanket, was subjected to a number of tests and the results confirmed the capacity to adjust the temperature of the body in patients undergoing surgery.
  • the results of a test of this type are shown below.
  • the Study A thermal blanket was tested for covering patients undergoing surgery followed, in some cases, by a stay in the ICU.
  • Aim To maintain a stable body temperature of patients undergoing surgery followed, in some cases, by a period in the ICU.
  • the operation was performed under general anesthesia in 6 patients and under spinal anesthesia in the other 9.
  • the surgery lasted between a minimum of 40 minutes up to a maximum of 330 minutes.
  • the body temperature was measured with an external cutaneous probe in 3 patients, with a pharyngeal probe in 1 patient and with a digital axillary thermometer in the remaining 11.
  • the body temperature was measured at 3 specific time points of the operation: at the start, at the halfway stage and at the end.
  • the temperature remained the same as at time 0 (start of the operation) in 3 patients, it increased in 5 patients, while the temperature reduction in 6 patients cannot be considered as significant. In 1 case only, the temperature decreased by 2°C, with respect to time 0, and returned to normal after a period in the Intensive Care Unit ICU.
  • the thermal blanket according to the invention has further features not perceived by the patient, but appreciated from the care point of view, because it drapes well, that is, it remains adherent to the body of the patient unlike other systems such as "metalline", and in addition, being reusable, the product does not produce health waste.
  • the heat-regulating fabric may also be made substantially fireproof, in particular by using:
  • a Flame Retardant material such as Polyester Dtex 668

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)

Abstract

L'invention concerne un tissu, en particulier pour la production d'articles de régulation de la température du corps dans les secteurs de la santé et associés à la santé, comprenant une première couche (11) comprenant un tissu en Viscose® traité avec un matériau à changement de phase intégré dans le tissu lui-même, dans lequel cette première couche (11) est accouplée à une deuxième couche (12) de rembourrage en fibre de polyester, qui est à son tour accouplée à une troisième couche (13) en polyester, et dans laquelle les première, deuxième et troisième couches (11, 12 et 13) sont jointes ensemble dans un processus d'usinage unique utilisant une machine de tricotage circulaire et sont accouplées uniquement par les fils eux-mêmes qui joignent chaque couche à la suivante.
EP15741791.6A 2014-06-13 2015-03-24 Tissu pour la production d'articles de régulation de chaleur pour maintenir la température du corps et couverture de régulation de chaleur à base de ce tissu Withdrawn EP3155156A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITVR20140166 2014-06-13
PCT/EP2015/056235 WO2015188956A1 (fr) 2014-06-13 2015-03-24 Tissu pour la production d'articles de régulation de chaleur pour maintenir la température du corps et couverture de régulation de chaleur à base de ce tissu

Publications (1)

Publication Number Publication Date
EP3155156A1 true EP3155156A1 (fr) 2017-04-19

Family

ID=51399742

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15741791.6A Withdrawn EP3155156A1 (fr) 2014-06-13 2015-03-24 Tissu pour la production d'articles de régulation de chaleur pour maintenir la température du corps et couverture de régulation de chaleur à base de ce tissu

Country Status (2)

Country Link
EP (1) EP3155156A1 (fr)
WO (1) WO2015188956A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3652370B1 (fr) * 2017-07-14 2024-02-28 Bedgear, LLC Étoffe refroidissante et un article de literie
CN107988687A (zh) * 2017-12-04 2018-05-04 佛山市亨特纺织有限公司 一种黏胶夹丝双面纬编针织面料
US11583437B2 (en) 2018-02-06 2023-02-21 Aspen Surgical Products, Inc. Reusable warming blanket with phase change material
GB2617123A (en) * 2022-03-30 2023-10-04 Fashion Uk Knitted structures for sublimation printing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7579078B2 (en) * 2001-09-21 2009-08-25 Outlast Technologies, Inc. Temperature regulating cellulosic fibers and applications thereof
CN101410039B (zh) 2006-02-02 2011-11-30 Mmi-Ipco有限责任公司 用于粘弹性泡沫床垫的罩
DE202007001699U1 (de) 2007-02-06 2007-08-16 Smart Fiber Ag Textilien mit erhöhter Kapazität zur latenten Wärmespeicherung für Bettwaren

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2015188956A1 *

Also Published As

Publication number Publication date
WO2015188956A1 (fr) 2015-12-17

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