EP3045084B1 - Baby mattress - Google Patents

Baby mattress Download PDF

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Publication number
EP3045084B1
EP3045084B1 EP14843640.5A EP14843640A EP3045084B1 EP 3045084 B1 EP3045084 B1 EP 3045084B1 EP 14843640 A EP14843640 A EP 14843640A EP 3045084 B1 EP3045084 B1 EP 3045084B1
Authority
EP
European Patent Office
Prior art keywords
mattress
cover
core
carbon dioxide
polyester
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.)
Active
Application number
EP14843640.5A
Other languages
German (de)
French (fr)
Other versions
EP3045084A1 (en
EP3045084A4 (en
Inventor
Tomás Augusto ZAMORA ÁLVAREZ
Vicente BARBERÁ ROIG
Gonzalo Pin
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.)
European Sleep Care Institute Sl
Original Assignee
European Sleep Care Institute Sl
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
Priority claimed from ES201300858A external-priority patent/ES2432420B1/en
Application filed by European Sleep Care Institute Sl filed Critical European Sleep Care Institute Sl
Priority to EP14843640.5A priority Critical patent/EP3045084B1/en
Publication of EP3045084A1 publication Critical patent/EP3045084A1/en
Publication of EP3045084A4 publication Critical patent/EP3045084A4/en
Application granted granted Critical
Publication of EP3045084B1 publication Critical patent/EP3045084B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
    • A47D15/00—Accessories for children's furniture, e.g. safety belts or baby-bottle holders
    • A47D15/001—Mattresses
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/22—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with both fibrous and foamed material inlays
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
    • A47C31/006—Use of three-dimensional fabrics

Definitions

  • the present invention describes a baby mattress which reduces all risk factors associated with sudden infant death.
  • the mattress is characterized in that it comprises a core produced from an open-cell polyether foam and a 3D polyester cover.
  • SIDS Sudden infant death syndrome
  • the risk factor associated with inhalation of toxic substances is reduced by means of using certified materials, such as OEKO-TEX® certified Class 1 material, for example.
  • the risk factor associated with respiratory tract obstruction can be reduced by avoiding cores having a soft firmness because they can generate folds and enclose the respiratory tracts. According to published studies, the risk of sudden death increases between 2.36-5 fold when mattresses having a soft firmness are used.
  • the mattress must provide horizontal firmness preventing the backbone from adopting hyperkyphosis postures which are detrimental to musculoskeletal development.
  • US 4357725 describes a mattress formed by an open-cell plastic core with polyether foam covered by a layer of closed-cell plastic material.
  • the plastic cover produces thermal stress in infants and plastic is not gas permeable.
  • WO2008/067834 describes a mattress intended for preventing sudden infant death made from polyethylene foam made up of three layers and a cover produced from cotton or cotton made from mesh with polyesters.
  • the structure of the mattress allows air circulation.
  • this document does not provide in detail the carbon dioxide accumulation rate.
  • the state of the art discloses mattresses made from open-cell plastic foams and 3D polyester fibers allowing air recirculation, but it does not describe or suggest mattresses having a carbon dioxide accumulation rate of less than 4%.
  • the problem solved by the invention is to provide a mattress which reduces all the associated risk factors of sudden infant death syndrome.
  • the solution provided according to the claims is a mattress comprising an open-cell polyether foam core and a 3D polyester fabric cover.
  • the mattress of the invention is defined in claim 1 and is structured on the basis of an open-cell polyether foam core included in a housing provided by a cover comprising an upper sheath and a lower sheath, both made of 3D polyester fabric with side borders made of 3D polyester fabric, having finishing parts made of the same fabric in the four corners.
  • a cotton edging with polyester cord reinforcement is linked by sewing between the upper sheath and the border and the lower sheath and the border.
  • the lower sheath includes a longitudinal zipper for linking the sides whereby the inside of the cover can be accessed for removing the core in order to subject it to aeration and/or washing operations, when necessary.
  • the core is made from polyether foam with a density between 30-35 kg/m 3 , a compressive strength determined by the ISO 3386 standard between 4-5 KPa and a cell size between 2.5-3.5 mm.
  • the thickness of the mattress can range between 3 cm and 10 cm.
  • the cover is made from 3D polyester and preferably from non-quilted 3D polyester with a weight between 180 and 250 grams.
  • Non-quilted polyester prevents the risk of choking and furthermore reduces hyperthermia or thermal stress in babies.
  • the core and the cover comply with the OEKO-TEX® class 1 test, therefore the mattress is non-toxic.
  • Tests were performed to confirm the potential carbon dioxide re-inhalation reduction level with a baby mannequin, the simulation mechanism of which consisted of a leak-tight cube having sides measuring 15*15 cm and a height of 10 cm, open on a single side located on the mattress.
  • the cube was connected to a gas container filled with air with a 5% carbon dioxide concentration.
  • Two 60 mL one-way valves simulating the baby's breathing at a rate of 30 openings per minute were installed in the connection circuit.
  • a carbon dioxide analyzer was connected for analyzing the concentration inside the cube, for analyzing the maximum carbon dioxide concentration according to the method described by Bar-Yishay E, Gaides M, Goren A, Szeinberg A. Aeration properties of a new sleeping surface for babies. Pediatr Pulmonol. 2011 Feb; 46(2):193-8 .
  • the carbon dioxide concentrations were then continuously collected (20 Hz).
  • AeroSleep® and Aminach Air® mattresses which improve air flow according to the manufacturer, show carbon dioxide accumulation rates greater than the toxic threshold of 5%.
  • the tests were performed with an ST-2 thermal mannequin which allows simulating the heat flow produced by babies.
  • the thermal flow for the study was 6 W/m 2 for 3 hours.
  • the mattresses were acclimatized for 24 hours at the control temperature. The temperature between the surface of the mattress and the mannequin was recorded.
  • the thermal resistance which is a parameter characterizing thermal comfort, because the lower the thermal resistance obtained the greater the thermal comfort, could therefore be measured by controlling the temperature and thermal flow.
  • the mattress formed by an open-cell polyether foam core and non-quilted 3D polyester cover has improved thermal properties compared to an open-cell polyether foam core with a quilted polyester cover. Furthermore, by eliminating quilting, the risk of asphyxia is prevented.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pediatric Medicine (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Bedding Items (AREA)

Description

    Technical Field of the Invention
  • The present invention describes a baby mattress which reduces all risk factors associated with sudden infant death. The mattress is characterized in that it comprises a core produced from an open-cell polyether foam and a 3D polyester cover.
    • Background of the Invention
  • Sudden infant death syndrome (SIDS) is the most common cause of death among babies in the post-natal period (between the second and the sixth month of life) and causes about 2,400 deaths a year in Europe alone. Experts describe SIDS as a multifactorial syndrome relating to overheating and thermal stress, with carbon dioxide re-inhalation, respiratory tract obstruction and inhalation of toxic substances.
  • There is a need for mattresses which reduce the risk factors associated with sudden infant death.
  • The risk factor associated with inhalation of toxic substances is reduced by means of using certified materials, such as OEKO-TEX® certified Class 1 material, for example.
  • The risk factor associated with respiratory tract obstruction can be reduced by avoiding cores having a soft firmness because they can generate folds and enclose the respiratory tracts. According to published studies, the risk of sudden death increases between 2.36-5 fold when mattresses having a soft firmness are used.
  • The risk associated with carbon dioxide re-inhalation can be reduced by using mattresses and fibers which allow air circulation, but the carbon dioxide accumulation rate depends on the type of mattress (material of the core, material of the covers, cell size). The World Health Organization has established that carbon dioxide accumulation rates in exhaled air of over 5% are toxic.
  • The risk associated with thermal stress could be reduced by means of using mattresses that remove heat.
  • In addition, the mattress must provide horizontal firmness preventing the backbone from adopting hyperkyphosis postures which are detrimental to musculoskeletal development.
  • The state of the art describes different mattresses formed by cores of open-cell plastic material such as polyester, polyether, polyurethane, polyethylene, allowing air recirculation in the mattress, but these documents do not describe if the carbon dioxide accumulation rate is below the toxic threshold of 5%.
  • DE20200513361U describes different air permeable fibers produced from polyesters suitable for being incorporated in mattresses.
  • US 4357725 describes a mattress formed by an open-cell plastic core with polyether foam covered by a layer of closed-cell plastic material. The plastic cover produces thermal stress in infants and plastic is not gas permeable.
  • The document closest to the invention, WO2008/067834 , describes a mattress intended for preventing sudden infant death made from polyethylene foam made up of three layers and a cover produced from cotton or cotton made from mesh with polyesters. The structure of the mattress allows air circulation. However, this document does not provide in detail the carbon dioxide accumulation rate.
  • Finally, according to the data published by Bar-Yishay E, Gaides M, Goren A, Szeinberg A. Aeration properties of a new sleeping surface for babies. Pediatr Pulmonol. 2011 Feb; 46(2):193-8, mattresses on the market today show carbon dioxide accumulation rates of over 4.5%
  • In summary, the state of the art discloses mattresses made from open-cell plastic foams and 3D polyester fibers allowing air recirculation, but it does not describe or suggest mattresses having a carbon dioxide accumulation rate of less than 4%.
  • With respect to the risk factor associated with thermal stress, the state of the art does not show any solution to the problem. Other prior art documents, which are useful for understanding the invention are: US 2009/217458A1 and DE 202012002092 U1 .
    • Object of the Invention
  • The problem solved by the invention is to provide a mattress which reduces all the associated risk factors of sudden infant death syndrome.
  • The solution provided according to the claims is a mattress comprising an open-cell polyether foam core and a 3D polyester fabric cover.
  • The described mattress:
    • shows a carbon dioxide accumulation rate in exhaled air of less than 4%,
    • shows a thermal resistance of less than 3.2 °Cm2/W, which prevents overheating of the mattress, hyperthermia and improves thermal comfort,
    • prevents choking due to asphyxia,
    • prevents inhalation of toxic materials,
    • shows optimal ergonomic characteristics, preventing the backbone from adopting hyperkyphosis postures which are detrimental to musculoskeletal development.
    Detailed Description of the Invention
  • The mattress of the invention is defined in claim 1 and is structured on the basis of an open-cell polyether foam core included in a housing provided by a cover comprising an upper sheath and a lower sheath, both made of 3D polyester fabric with side borders made of 3D polyester fabric, having finishing parts made of the same fabric in the four corners.
  • Optionally, a cotton edging with polyester cord reinforcement is linked by sewing between the upper sheath and the border and the lower sheath and the border. The lower sheath includes a longitudinal zipper for linking the sides whereby the inside of the cover can be accessed for removing the core in order to subject it to aeration and/or washing operations, when necessary.
  • The core is made from polyether foam with a density between 30-35 kg/m3, a compressive strength determined by the ISO 3386 standard between 4-5 KPa and a cell size between 2.5-3.5 mm. The thickness of the mattress can range between 3 cm and 10 cm.
  • The cover is made from 3D polyester and preferably from non-quilted 3D polyester with a weight between 180 and 250 grams. Non-quilted polyester prevents the risk of choking and furthermore reduces hyperthermia or thermal stress in babies.
  • The core and the cover comply with the OEKO-TEX® class 1 test, therefore the mattress is non-toxic.
    • Carbon dioxide accumulation tests
  • Tests were performed to confirm the potential carbon dioxide re-inhalation reduction level with a baby mannequin, the simulation mechanism of which consisted of a leak-tight cube having sides measuring 15*15 cm and a height of 10 cm, open on a single side located on the mattress. The cube was connected to a gas container filled with air with a 5% carbon dioxide concentration. Two 60 mL one-way valves simulating the baby's breathing at a rate of 30 openings per minute were installed in the connection circuit. A carbon dioxide analyzer was connected for analyzing the concentration inside the cube, for analyzing the maximum carbon dioxide concentration according to the method described by Bar-Yishay E, Gaides M, Goren A, Szeinberg A. Aeration properties of a new sleeping surface for babies. Pediatr Pulmonol. 2011 Feb; 46(2):193-8. The carbon dioxide concentrations were then continuously collected (20 Hz).
  • The results obtained were:
    Sample Maximum carbon dioxide (%)
    Mattress having a 100% thermally bonded fiber core with removable 3D fabric cover 4.36 ± 0.11
    Open-cell polyether foam core with 3D polyester fabric cover 3.35 ± 0.14
  • The results described by Bar-Yishay E, Gaides M, Goren A, Szeinberg A. Aeration properties of a new sleeping surface for babies. Pediatr Pulmonol. 2011 Feb; 46(2):193-8 for the different mattresses on the market were:
    Sample Maximum carbon dioxide (%)
    Pang® mattress 5.20 ± 0.04
    Shilav® mattress 4.51 ± 0.10
    Polyron® mattress 4.56 ± .04
    AeroSleep® mattress 6.25 ± 0.28
    Aminach Air® mattress 5.15 ± 0.19
    where:
    • the Pang® mattress is a standard polyurethane foam mattress covered with a layer of polyester,
    • the Shilav® mattress is a standard polyurethane foam mattress with a 3-layer polyester covering,
    • the Polyron® mattress is a polyurethane mattress covered with a 3D fabric that improves air flow,
    • the AeroSleep® mattress is a 5 mm paneled surface located on a standard mattress that improves air flow,
    • the Aminach Air® mattress is a polyurethane mattress with a 5 mm upper paneled polyester surface that improves air flow.
  • The preceding results show that only the mattress formed by an open-cell polyether foam core with a 3D polyester fabric cover has a carbon dioxide accumulation rate of less than 4%.
  • The AeroSleep® and Aminach Air® mattresses, which improve air flow according to the manufacturer, show carbon dioxide accumulation rates greater than the toxic threshold of 5%.
    • Thermal stress tests
  • The tests were performed with an ST-2 thermal mannequin which allows simulating the heat flow produced by babies. The thermal flow for the study was 6 W/m2 for 3 hours. Before the start of the test, the mattresses were acclimatized for 24 hours at the control temperature. The temperature between the surface of the mattress and the mannequin was recorded. The thermal resistance, which is a parameter characterizing thermal comfort, because the lower the thermal resistance obtained the greater the thermal comfort, could therefore be measured by controlling the temperature and thermal flow.
  • The results obtained were:
    Sample Thermal resistance (°Cm2/W)
    Quilted spring mattress 3.20
    Mattress having 100% thermally bonded fiber core with removable 3D fabric cover 3.34
    Mattress having a low-density polyurethane core (20 kg/m3) with impermeable PVC cover 3.20
    Low-density polyurethane core (20 kg/m3) 3.17
    Open-cell polyether foam core 3.10
    Open-cell polyether foam core with quilted polyester cover 3.20
    Open-cell polyether foam core with 3D polyester cover 3.19
    Sample Mean temperature for the last 30 minutes (°C)
    Quilted spring mattress 38.4
    Mattress having 100% thermally bonded fiber core with removable 3D fabric cover 40.1
    Mattress having a low-density polyurethane core (20 kg/m3) with impermeable PVC cover 38.4
    Low-density polyurethane core (20 kg/m3) 38.1
    Open-cell polyether foam core 37.2
    Open-cell polyether foam core with quilted polyester cover 38.5
    Open-cell polyether foam core with non-quilted 3D polyester cover 38.3
  • The results show that the cores made with crosslinked polyester foam, i.e., open-cell foam, improve thermal comfort and prevent hyperthermia in babies.
  • It is observed that the mattress formed by an open-cell polyether foam core and non-quilted 3D polyester cover has improved thermal properties compared to an open-cell polyether foam core with a quilted polyester cover. Furthermore, by eliminating quilting, the risk of asphyxia is prevented.
  • The detailed claims below are part of the description. The embodiments resulting from the dependencies of the claims are included in the description by reference.

Claims (3)

  1. A non-toxic mattress comprising:
    - a core formed by an open-cell polyether foam and
    - a 3D polyester fabric cover,
    wherein:
    - the core has a density between 30-35 kg/m3, a compressive strength determined by ISO 3386 standard between 4-5 KPa a cell size between 2.5-3.5 mm and
    - the cover has a weight between 180-250 grams.
  2. The mattress according to claim 1, wherein the cover is a non-quilted 3D polyester fabric cover.
  3. The mattress according to the preceding claims, characterized in that thermal resistance of the mattress is less than 3.20°Cm2/W and the carbon dioxide accumulation rate is less than 4%.
EP14843640.5A 2013-09-13 2014-09-12 Baby mattress Active EP3045084B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14843640.5A EP3045084B1 (en) 2013-09-13 2014-09-12 Baby mattress

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ES201300858A ES2432420B1 (en) 2013-09-13 2013-09-13 Baby mattress
EP13005578 2013-11-29
PCT/ES2014/000146 WO2015036632A1 (en) 2013-09-13 2014-09-12 Baby mattress
EP14843640.5A EP3045084B1 (en) 2013-09-13 2014-09-12 Baby mattress

Publications (3)

Publication Number Publication Date
EP3045084A1 EP3045084A1 (en) 2016-07-20
EP3045084A4 EP3045084A4 (en) 2017-07-12
EP3045084B1 true EP3045084B1 (en) 2018-07-18

Family

ID=52665120

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14843640.5A Active EP3045084B1 (en) 2013-09-13 2014-09-12 Baby mattress

Country Status (4)

Country Link
EP (1) EP3045084B1 (en)
ES (1) ES2686244T3 (en)
PT (1) PT3045084T (en)
WO (1) WO2015036632A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3079727A1 (en) * 2018-04-09 2019-10-11 Franck Dietsch QUICK-DRY EXTERIOR FURNITURE CUSHION

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
SE423304B (en) 1979-01-10 1982-05-03 Becker Wilhelm Ab BEDDUNLAY, INCLUDING A RELATIVE THICKNESS
SE431714B (en) * 1981-07-03 1984-02-27 Timmele Laminering Ab ELASTIC BODY
SE431715B (en) * 1981-09-21 1984-02-27 Timmele Laminering Ab PRODUCT, PREFERRED MATTRESS, CUSHION, AND SIMILAR
GB8627037D0 (en) * 1986-11-12 1986-12-10 Frontvote Ltd Sheet
US5317767A (en) * 1992-06-16 1994-06-07 Hargest Thomas S Sudden infant death syndrome prevention apparatus and method
GB2290256B (en) * 1994-06-03 1997-10-29 Fagerdala World Foams Ab Laminated supports
JP4136557B2 (en) * 2002-09-10 2008-08-20 株式会社デルタツーリング Mattress filler and mattress
DE202005013361U1 (en) 2005-08-23 2005-10-27 Gisa Tex Gmbh & Co. Kg Upholstered article, especially a mattresses, comprises a three-dimensional knitted double fabric held apart by spacer yarns
IL179840A (en) * 2006-12-05 2010-12-30 Anatte Gabbai Apparatus for crib for sudden infant death prevention
EP2092790B1 (en) 2006-12-07 2010-07-07 AKG Acoustics GmbH Dropout concealment for a multi-channel arrangement
US20090217458A1 (en) * 2007-01-24 2009-09-03 Summer Infant (Usa), Inc. Sleep aid
US8745793B2 (en) * 2008-03-28 2014-06-10 Ubimed, Inc. Medical mattress and mattress cover
IE20090204A1 (en) * 2009-03-18 2010-10-27 Patrick Noel Daly Infection control cushion structure
DE202012002092U1 (en) * 2012-03-02 2012-06-21 Europe Brands S.à.r.l. Multi-layered mattress, especially for babies and / or infants

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
PT3045084T (en) 2018-10-18
ES2686244T3 (en) 2018-10-17
WO2015036632A1 (en) 2015-03-19
EP3045084A1 (en) 2016-07-20
EP3045084A4 (en) 2017-07-12

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