WO2006087396A1 - Matelas comprenant des pieces amovibles, independantes - Google Patents

Matelas comprenant des pieces amovibles, independantes Download PDF

Info

Publication number
WO2006087396A1
WO2006087396A1 PCT/ES2005/000153 ES2005000153W WO2006087396A1 WO 2006087396 A1 WO2006087396 A1 WO 2006087396A1 ES 2005000153 W ES2005000153 W ES 2005000153W WO 2006087396 A1 WO2006087396 A1 WO 2006087396A1
Authority
WO
WIPO (PCT)
Prior art keywords
independent
mattress
base
removable
removable parts
Prior art date
Application number
PCT/ES2005/000153
Other languages
English (en)
Spanish (es)
Inventor
Ana María HERNANDEZ MAESTRE
Original Assignee
Hernandez Maestre Ana Maria
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 Hernandez Maestre Ana Maria filed Critical Hernandez Maestre Ana Maria
Priority to AU2005327808A priority Critical patent/AU2005327808A1/en
Priority to EP05717227A priority patent/EP1854379A1/fr
Priority to US10/563,812 priority patent/US20080010753A1/en
Publication of WO2006087396A1 publication Critical patent/WO2006087396A1/fr

Links

Classifications

    • 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
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/142—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities
    • A47C27/146—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities on the outside surface of the mattress or cushion
    • 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
    • A47C27/001—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with several cushions, mattresses or the like, to be put together in one cover
    • 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
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/148—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays of different resilience
    • 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
    • A47C31/12—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons
    • 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
    • A61G7/05715—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with modular blocks, or inserts, with layers of different material

Definitions

  • the invention relates to a new type of. mattress, consisting of a base, a joining means and a plurality of independent, removable and interchangeable elastic pieces for body support.
  • - Spring mattress it consists of steel springs, which can be biconical (the upper and lower spirals are larger than the central ones) or cylindrical (the spirals are the same diameter), and are usually individually insulated to avoid noise.
  • the filler holder supports a layer of horsehair, sisal or felt; then a cotton, wool or synthetic fiber filling, which in turn has a lining and, finally, everything is locked in the cot ⁇ n.
  • These mattresses are solid and comfortable.
  • Synthetic latex mattress the material is the chemical reconstitution of natural latex. These mattresses have a flat surface and another one filled with alveoli that favor air circulation. They are very hygienic but deteriorate with light when exposed to it without its cover.
  • Polyester mattress the density of the polyester reserved for the manufacture of mattresses should not be less than 25 kg / m 3 ; the softness of the mattress foam depends on this density. Since the rules are not always respected, this type of material has acquired an undeserved bad reputation.
  • the buyer Before acquiring it, the buyer must demand that the density of the foam used be specified; to be of good quality, it must also have a minimum thickness of 10 cm.
  • the invention consists of a mattress composed of a base and a variable plurality of independent and removable parts of the base, for supporting the body.
  • the base is attached to said independent and removable parts by means of removable joining means, specifically sailboat-type adherent fabrics or the like, which allows said independent parts to be extracted, incorporated, exchanged for other same or different ones and, consequently, replaced by new ones when they are deteriorated.
  • the adherent fabric incorporated into the base as part of the sailboat-type connection means or similar covers the entire upper surface of said base or can partially cover it when it is arranged in the form of continuous or discontinuous bands, it being understood that, for the purposes of The invention, said bands must be placed in a sufficient quantity to be able to place the independent and removable pieces, whatever their dimensions and shapes, in any position of said upper surface of said base.
  • Detachable and detachable parts are provided in its lower part with the corresponding complementary fabric to complete the sailboat-type connection means or similar.
  • the mattress of the invention is especially suitable for people in hospital treatment; in particular, it is especially suitable for people who have suffered any type of fracture and / or wounds that require the patient to remain in bed in the same position since, since the mentioned pieces are removable, the surface of the mattress under the fractured area or The wound can be provided with independent parts of the appropriate shapes and with suitably reduced dimensions with respect to the other independent parts of the mattress in order not to force the position of the affected part of the patient's body and also allow Ia pressure that the mattress exerts on said affected part is of the adequate magnitude for the correct rest and recovery thereof; This includes, of course, the case in which an area of the mattress must be totally devoid of any part.
  • the base of the mattress of the invention can have any shape and be made of any material, elastic or semi-rigid, and its dimensions can be variable depending on the use and purpose for which the mattress is intended. Proper handling of these variables allows the constitution of the mattress of the invention to be adapted to adults or children and, by extension, can be applied to the manufacture of cushions, seats and backrests including those of vehicles, armrests, footrests, pillows, etc. .
  • the independent pieces can be obtained by means of longitudinal and transversal cuts of a traditional mattress or by means of an independent manufacture for each type of piece; its shape can be prismatic, cylindrical, frusto-conical, truncated-pyramidal or any other suitable to deform elastically when subjected to a perpendicular or slightly inclined load with respect to the plane of the mattress base; its section can be square, circular, elliptical, polygonal or in any other way; its height is variable according to the needs of the user or patient; the material of the pieces is preferably natural or synthetic latex although any other elastic material suitable for mattresses can be used.
  • the arrangement of the independent and removable pieces on the base of the mattress is not necessarily in the form of a grid of parallel rows and columns but in any form, the placement of each piece depending exclusively on the convenience of placing it in a point determined according to the needs of the body, particularly the body of a hospitalized patient.
  • This type of mattress formed with independent parts favors ventilation of the patient's body by air circulation, thus avoiding multiple drawbacks of classic mattresses. It also favors cell regeneration due to the massage provided by the plurality of independent parts, and also prevents the formation of sores produced by rubbing the skin with a hard surface.
  • the independent parts are spaced from each other with variable separations that can be adjusted at will, without there being any limitation in the dimension of said separations due to the main concept of the invention, which is to provide totally independent and removable parts that can be easily attached to the base. anywhere in it or withdrawn from it.
  • Said separations are chosen according to the needs of the user or the condition to be treated; if necessary, some of the independent pieces can be removed, for example in case of wounds so that they are not in direct contact with the mattress.
  • the independent pieces are of reduced size; the separation space between them can avoid the known suffocations produced by the mattress in contact with the respiratory tracts of children since the mattress of the invention helps breathing.
  • Independent pieces of greater height than the rest can also be arranged in the edge areas of the mattress so that they act as a barrier to prevent children from falling out of bed.
  • All the pieces of the mattress are susceptible, according to what I explained, to be manufactured and marketed in places and times different; all of them are interchangeable and any of them can be replaced if it is damaged or washed if it is dirty.
  • the mattress may or may not be lined.
  • the lining will be provided with lateral closing means on all or some of the sides, such as zippers, snap closures or others, that allow easy access to its interior to extract, introduce, exchange or alter the arrangement of one or more of the independent and removable parts.
  • FIG. 1 is a perspective view of a mattress of the invention, in which the independent parts are all identical and prismatic.
  • FIG. 2A is a partial profile view of a mattress of the invention provided with identical truncated pyramid pieces showing the separations between them.
  • FIGS. 2B and 2C are elevational views of two subsets of independent pieces of different shapes and dimensions, suitable to be placed in the edge areas of the mattress of the invention for a baby crib that prevent the child, when moving, from being damaged and you can put your head between the bars of the crib.
  • Fig. 2D is a profile view of a mattress of the invention for a baby crib in which the arrangement of the independent parts is shown, some subsets of which have been shown in Figs. 2B and 2C.
  • - Fig. 3A is a profile view of a mattress, cushion, seat, backrest, etc., of the invention in an arched situation, allowing the concavity that adapts to any part of the body.
  • - Fig. 3B is an enlarged detail of Fig. 3A that allows the adaptability of the independent parts (4) to be observed due to the separation and shape thereof.
  • - Fig. 4A is a profile view of a mattress, cushion, seat, backrest, etc., of the invention in an arched position, allowing the convexity that easily adapts to any contour.
  • Fig. 4B is an enlarged detail of Fig. 4A that allows the adaptability of the independent parts (4) to different contours to be observed.
  • FIG. 5 is an elevation view of a mattress of the invention in which the different deformation of the independent parts (4) that are in contact with the body of a person lying down is observed.
  • a preferred embodiment of a mattress of the invention is described below, from among the many possible embodiments according to the content of the previous Description, including not only mattresses but also cushions, seats and backrests including those of vehicles, armrests, footrests, pillows and other elements for rest of the body of adults or children.
  • the mattress (1) of the invention has a parallelepiped base (3) on whose upper flat face a continuous sheet is adhered, by conventional and known techniques, or separate bands of self-adhesive sailboat-type fabric or the like, which will completely cover the upper face of the base (3).
  • the complementary sheet of the sailboat-type joining means or the like is adhered to a plurality of independent pieces (4), said complementary sheet previously cut according to the size of each independent piece (4).
  • the independent pieces (4) are equal in dimensions and in a prismatic way.
  • the independent parts (4), each provided with said complementary sheet of the sailboat-type connection means or similar, are arranged on the base (3) provided with a continuous sheet or separate bands of self-adhesive fabric (2), sailboat-type or similar in a uniform distribution according to a lattice of rows and columns perpendicular to each other leaving a small constant separation between adjacent independent pieces (4).
  • the mattress (1) may or may not be lined.
  • the lining will be provided with lateral closure means on all or some of the sides, such as zippers, snap closures or others.

Abstract

L'invention concerne un matelas (1) constitué: d'une base (3); de pièces amovibles, indépendantes (4) sous forme de blocs; et d'éléments de liaison (2) comprenant des pièces auto-adhésives de type velcro ou similaire en tissu utilisées de manière à relier la base (3) aux pièces amovibles, indépendantes (4). La base peut prendre n'importe quelle forme, être fabriquée à partir de n'importe quelle matière souple ou semi-rigide et posséder des dimensions différentes en fonction du type d'utilisation. Les pièces indépendantes (4) peuvent comporter des parties d'un matelas standard qui sont découpées de façon longitudinale et transversale et des sections transversales de formes, de dimensions et de hauteurs différentes. Ces pièces sont de préférence fabriquées à partir de latex naturel ou synthétique, mais également à partir de n'importe quelle autre matière offrant une adaptabilité. Le matelas de l'invention (1) peut être doublé, au quel cas ce dernier est équipé d'un système de fermeture pouvant être utilisé afin d'insérer ou d'extraire les pièces indépendantes ou de changer la position de celles-ci, ce système de fermeture pouvant être sous forme de fermeture éclair, de fermeture à bouton-pression ou n'importe quel autre type de fermeture qui fournit un accès à l'intérieur du matelas.
PCT/ES2005/000153 2005-02-21 2005-03-22 Matelas comprenant des pieces amovibles, independantes WO2006087396A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2005327808A AU2005327808A1 (en) 2005-02-21 2005-03-22 Mattress comprising independent, removable pieces
EP05717227A EP1854379A1 (fr) 2005-02-21 2005-03-22 Matelas comprenant des pieces amovibles, independantes
US10/563,812 US20080010753A1 (en) 2005-02-21 2005-03-22 Mattress With Independent and Detachable Parts

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200500385A ES2258918B1 (es) 2005-02-21 2005-02-21 Colchon de piezas independientes y desmontables.
ESP200500385 2005-02-21

Publications (1)

Publication Number Publication Date
WO2006087396A1 true WO2006087396A1 (fr) 2006-08-24

Family

ID=36916162

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2005/000153 WO2006087396A1 (fr) 2005-02-21 2005-03-22 Matelas comprenant des pieces amovibles, independantes

Country Status (5)

Country Link
US (1) US20080010753A1 (fr)
EP (1) EP1854379A1 (fr)
AU (1) AU2005327808A1 (fr)
ES (1) ES2258918B1 (fr)
WO (1) WO2006087396A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1949823A1 (fr) * 2003-09-26 2008-07-30 Mario Piraino Appareil de couchage et procédé amélioré pour la formation d'un lit
GB2460218A (en) * 2008-05-08 2009-11-25 Patricia Mchugh Pressure relieving mattress and chair cushion

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2345231B1 (es) * 2008-05-14 2011-08-25 Juan Antonio Serrano Gutierrez Sistema para renovar colchones.
JP5698745B2 (ja) 2009-07-29 2015-04-08 テクノゲル イタリア エス．アール．エル． モジュラー支持要素
US20120144596A1 (en) * 2010-12-09 2012-06-14 Bret Handson Modular mattress
KR101240292B1 (ko) 2011-12-29 2013-03-11 전자부품연구원 플렉서블 기판용 지지 구조체 및 플렉서블 기판의 지지 방법
EP3065598B1 (fr) * 2013-11-05 2017-08-16 Dóczi, András Péter Insert de matelas
CN110053655B (zh) * 2019-04-15 2021-11-19 浙江呼噜皇床垫有限公司 一种酒店床垫搬运装置及其搬运方法
RU2696104C1 (ru) * 2019-05-10 2019-07-31 Общество с ограниченной ответственностью "Реабилитик" Матрас противопролежневый

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981002384A1 (fr) * 1980-02-19 1981-09-03 Jourdan Thomas Ltd Matelas
US4628557A (en) * 1984-09-14 1986-12-16 Lutheran Hospital Foundation, Inc. Adjustable hospital mattress with removable inserts
ES2019644B3 (es) * 1986-01-15 1991-07-01 Carpenter E R Co Inc Colchon perfeccionado, constituido por elementos modulares individuales, y aplicacion en la fabricacion de sillones, cojines y respaldos amovibles.
ES2023614A6 (es) * 1989-12-29 1992-01-16 Gen Francaise De Literie Colchon y su procedimiento de realizacion.
US5829081A (en) * 1993-11-09 1998-11-03 Teksource, Lc Cushioning device formed from separate reshapable cells
US6321404B1 (en) * 1998-07-15 2001-11-27 Jen Hsiu Tsai Built-up air cushion
WO2003084368A1 (fr) * 2002-04-04 2003-10-16 Tae Gu Kang Matelas a durete reglable
US20040098808A1 (en) * 2002-11-21 2004-05-27 Teruo Sonobe Bedding
US6743325B1 (en) * 1999-07-13 2004-06-01 Stirling Moulded Composites Limited Flexible material

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3775785A (en) * 1972-12-26 1973-12-04 T Mittendorf Adjustable pillow apparatus
US4907306A (en) * 1987-11-02 1990-03-13 Nakaji Norman K Supine support device and method for treatment and prevention of malocclusion of the teeth
US5018790A (en) * 1988-07-20 1991-05-28 Jay Medical, Ltd. Customized seat cushion
US5584085A (en) * 1989-08-24 1996-12-17 Surgical Design Corporation Support structure with motion
US5310245A (en) * 1992-03-09 1994-05-10 Christine Lyszczasz Cushion support apparatus for infants
US5367730A (en) * 1992-10-15 1994-11-29 Sher; Stephen Infant cushion
US5448790A (en) * 1993-04-28 1995-09-12 Saro; Jack H. B. Selectively arrangeable cushion assembly
US5360017A (en) * 1993-05-27 1994-11-01 Austin David G Adjustable therapeutic pillow
US5581832A (en) * 1993-11-29 1996-12-10 Bridley; Sheryl M. Infant support
US5632050A (en) * 1995-08-03 1997-05-27 Zajas; Paul J. Body and head support platform
US6763325B1 (en) * 1998-06-19 2004-07-13 Microsoft Corporation Heightened realism for computer-controlled units in real-time activity simulation
US6321606B1 (en) * 1998-07-22 2001-11-27 Fuji Electric Co., Ltd. Apparatus for calculating torque generated by induction motor
US6145143A (en) * 1999-06-03 2000-11-14 Kinetic Concepts, Inc. Patient support systems with layered fluid support mediums
AU1359601A (en) * 1999-11-03 2001-05-14 Tellabs Operations, Inc. Integrated voice processing system for packet networks
US6292964B1 (en) * 2001-02-05 2001-09-25 Macarena M. Rose Inclined support pillow
US6628557B2 (en) * 2001-09-28 2003-09-30 Intel Corporation Leakage-tolerant memory arrangements
CA2423765C (fr) * 2003-03-28 2010-05-25 Julio Oswaldo Ladron De Guevara Appareil a pression d'air portatif pour sieges
US7200884B2 (en) * 2003-10-17 2007-04-10 Dreamwell Ltd. Mattress assembly and manufacturing process for a mattress using adhesive patches
DE202005016203U1 (de) * 2005-10-13 2006-01-19 Thomas Beteiligungs- und Vermögens-GmbH & Co. KG Matratze
US20070163051A1 (en) * 2006-01-19 2007-07-19 Mariann Straub Infant wedge sleep positioner

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981002384A1 (fr) * 1980-02-19 1981-09-03 Jourdan Thomas Ltd Matelas
US4628557A (en) * 1984-09-14 1986-12-16 Lutheran Hospital Foundation, Inc. Adjustable hospital mattress with removable inserts
ES2019644B3 (es) * 1986-01-15 1991-07-01 Carpenter E R Co Inc Colchon perfeccionado, constituido por elementos modulares individuales, y aplicacion en la fabricacion de sillones, cojines y respaldos amovibles.
ES2023614A6 (es) * 1989-12-29 1992-01-16 Gen Francaise De Literie Colchon y su procedimiento de realizacion.
US5829081A (en) * 1993-11-09 1998-11-03 Teksource, Lc Cushioning device formed from separate reshapable cells
US6321404B1 (en) * 1998-07-15 2001-11-27 Jen Hsiu Tsai Built-up air cushion
US6743325B1 (en) * 1999-07-13 2004-06-01 Stirling Moulded Composites Limited Flexible material
WO2003084368A1 (fr) * 2002-04-04 2003-10-16 Tae Gu Kang Matelas a durete reglable
US20040098808A1 (en) * 2002-11-21 2004-05-27 Teruo Sonobe Bedding

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1949823A1 (fr) * 2003-09-26 2008-07-30 Mario Piraino Appareil de couchage et procédé amélioré pour la formation d'un lit
GB2460218A (en) * 2008-05-08 2009-11-25 Patricia Mchugh Pressure relieving mattress and chair cushion
GB2460218B (en) * 2008-05-08 2011-09-21 Patricia Mchugh A pressure relieving mattress

Also Published As

Publication number Publication date
ES2258918A1 (es) 2006-09-01
ES2258918B1 (es) 2008-05-16
EP1854379A1 (fr) 2007-11-14
AU2005327808A1 (en) 2006-08-24
US20080010753A1 (en) 2008-01-17

Similar Documents

Publication Publication Date Title
ES2258918B1 (es) Colchon de piezas independientes y desmontables.
US7178186B2 (en) Inflatable support apparatus
ES2553260T3 (es) Nueva almohada ergonómica y sus utilizaciones en la cama
US4899405A (en) Orthopedic pillow
US10660462B2 (en) Two-sided pillow
US20120102654A1 (en) Pillow
EP3855981B1 (fr) Oreiller de contour de cavité
WO2005011442A1 (fr) Matelas a ressorts en mousse
US20090151080A1 (en) Sleep aid with position indicator along with method incorporating same
ES1069689U (es) Almohada para la prevencion de las deformidades craneales en recien nacidos.
US6415466B1 (en) Pocket pillow and sheet for adult/crib elevation sleep aid
KR200483330Y1 (ko) 기능성 베개
US6061857A (en) Hugging mattress with holes for a user's arms
KR20150000054U (ko) 경추 지지 베개
US20110162147A1 (en) Cushioning bolsters for a crib or bed
KR200480002Y1 (ko) 숙면베개
KR100934446B1 (ko) 기능성 베개
ES2678496T3 (es) Protector de colchón
JP3171680U (ja) 枕
KR200484534Y1 (ko) 조립식 베개
KR102639636B1 (ko) 경추 베개
JP3137030U (ja) 高さと硬さの調整可能な快眠枕
KR200417962Y1 (ko) 다용도 기능성 베개
ES1070736U (es) Colchoneta adaptable a sillitas y cochecitos porta-bebes.
KR102169005B1 (ko) 기능성 베개

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 10563812

Country of ref document: US

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 2005717227

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2005327808

Country of ref document: AU

ENP Entry into the national phase

Ref document number: 2005327808

Country of ref document: AU

Date of ref document: 20050322

Kind code of ref document: A

WWP Wipo information: published in national office

Ref document number: 2005327808

Country of ref document: AU

WWP Wipo information: published in national office

Ref document number: 2005717227

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 10563812

Country of ref document: US