EP1948297A2 - Coussin a base de mousse a utiliser dans le domaine medical - Google Patents

Coussin a base de mousse a utiliser dans le domaine medical

Info

Publication number
EP1948297A2
EP1948297A2 EP06807472A EP06807472A EP1948297A2 EP 1948297 A2 EP1948297 A2 EP 1948297A2 EP 06807472 A EP06807472 A EP 06807472A EP 06807472 A EP06807472 A EP 06807472A EP 1948297 A2 EP1948297 A2 EP 1948297A2
Authority
EP
European Patent Office
Prior art keywords
cushion
foam
particular according
seam
insert part
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Withdrawn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
EP06807472A
Other languages
German (de)
English (en)
Inventor
Rainer Arndt
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.)
LEIDEL u KRACHT SCHAUMSTOFF-TECHNIK GmbH
Original Assignee
LEIDEL u KRACHT SCHAUMSTOFF-TECHNIK 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 LEIDEL u KRACHT SCHAUMSTOFF-TECHNIK GmbH filed Critical LEIDEL u KRACHT SCHAUMSTOFF-TECHNIK GmbH
Publication of EP1948297A2 publication Critical patent/EP1948297A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/14—Leading-off electric charges, e.g. by earthing
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C21/00—Attachments for beds, e.g. sheet holders, bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
    • A47C21/02—Holders for loose bed elements, e.g. sheet holders; bed cover holders
    • A47C21/026—Pillow holders; Mattress holders
    • 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
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/10—Parts, details or accessories

Definitions

  • the invention firstly relates to a foam-based cushion designed for dissipating electrical charges for use in the medical field, such as in operating theaters, wherein the cushion has an outer sheath of electrically conductive material, further forming a seam for connecting associated edge regions of the sheath ,
  • Cushions of the type in question are known. These serve to support parts of the body of a person lying on a couch or on an operating table. These pillows have a foam core, which is enclosed by a preferably cleanable outer shell. This outer shell is set to dissipate electrical charges accordingly.
  • the seam for connecting associated edge regions of the envelope is achieved in particular when using a plastic material for the envelope by heat treatment, in particular welding or alternatively by gluing.
  • the invention has the object, a cushion of the type in question with regard to the requirement to derive electrical charges safely designed to improve.
  • This is preferably at least 20% of the cushion circulation length, so on, for example, 70 - 90%.
  • the proposed design proves to be particularly advantageous in the case of those cushions in which a thermoformable foam filling or a thermally deformable inner lining of the outer shell, for example, a PE foam layer, is guided into the outer edge region and there after a seam formation by applying heat and pressure, possibly for further use of an adhesive or the like, as an insulator between the otherwise electrically conductive edge portions of the envelope engages.
  • the invention further relates to a cushion according to the features of the preamble of claim 1, wherein in this regard it is proposed to improve the dissipation of electrical charges that the opposite edge regions of the seam are connected by means of an electrically conductive connection member transverse to the seam plane.
  • an electrical discharge is achieved by the envelope edge region.
  • the otherwise possibly by interposition of a further preferably thermoformable PE foam layer to each other insulated seam-edge regions of the enclosure are electrically connected to each other due to the arrangement of the proposed connection part. It can be set by means of one or more such connecting parts and a generic pillow with circumferential seam electrically dissipative.
  • claim 1 is both in its independent formulation of importance, but can also be considered in combination to the subject of claim 1, so that there is a cushion, which has a sheath whose seam is not formed completely encircling.
  • the derivation of electrical charge is achieved on the one hand by the uninterrupted sheath portion and on the other side provided by the seam side electrically conductive connecting parts.
  • a connecting part passes through the edge regions, this in a direction transverse to the seam plane.
  • a connecting part may also be formed, for example, like a clamp, for example, a clamping version of the edge regions in the open U-profile of the clamp. If the connecting part penetrates the edge regions, this can be formed, for example, like a pin.
  • Essential here is the electrically correct contact between the connecting part and electrically conductive edge regions, which is further preferably given by an enlarged support and contact surface of the connecting part. This can be achieved, for example, in that the connecting part is designed as a connecting rivet. Its generally lenticular head rivet heads are on the surface side of the edge areas on this.
  • the connecting part is set to the required electrical conductivity accordingly, so for example.
  • the sheath is more preferably made of an electrically conductive synthetic leather.
  • Synthetic leather is understood to mean a composite of textile fabric with a plastic coating. These are natural fiber fabrics or synthetic fibers coated with a soft polyurethane coating. In the present case, this coating is preferably foamed and, for example, provided with carbon black for setting an electrical conductivity.
  • the surface of so-called artificial leather is grained, so that it corresponds to a leather structure.
  • the cushion is made watertight, to which end the proposed embodiment of the envelope contributes.
  • the seam area is also made watertight by edge-side compression and thermoplastic deformation, possibly accompanied by bonding of the proposed PE layer together with the seam-side edge regions of the envelope.
  • a lamination of the covering and PE foam layers that occurs in the course of the heat treatment of the seam area further increases the desired waterproofness.
  • the invention further relates to a foam-based pad for use in the medical field, such as in operating theaters, the pad having an outer shell and an anchoring recess for anchoring the pad on a cam.
  • Such pillows are eg. On an operating table in a simple manner fixable, including table side cams or other pin-like projections are provided, which engage in corresponding anchoring recesses of the pillow.
  • the object of the invention is to provide a pillow of the type in question in particular. visually its design for anchoring the same improved design.
  • the anchoring recess is created by an insert part.
  • a cushion of the type in question is created, which is designed improved in terms of the desired anchoring possibility.
  • an insert is provided to form the anchoring recess or to form the free inner surface for interaction with the example.
  • Table-side cams or the like The stabilized peripheral wall of the anchoring recess required for interaction with these cams is created in particular by the intended insert part. This does not necessarily form the complete, the Mantelmantelung the cam facing Verank ceremoniessaus supraungswandung. Rather, partial, dimensionally stable wall sections can also be formed by the insert, which cooperate significantly with the cams.
  • a cushion as it is formed according to claim 7 or the other claims, also have the features described above with respect to claim 1 or subordinate claims.
  • the foam layer surrounding the insert remains thermally undeformed.
  • the formation of the anchoring recess by the insert Part offers this advantage.
  • the insert itself forms the stable inner surfaces for interaction with the example. Table-side cam.
  • the thermal deformation of the foam layer in the region of the anchoring recess can be dispensed with.
  • the pillow no longer has to consist of a mono material.
  • the structure of the cushion core is thus no longer dependent on the strength of the table-side cam.
  • thermally deformable foams are generally harder compared to other now also be used by the proposed invention foams, thereby achieving the necessary stability by thermal deformation.
  • the present invention provided with the insert pad is due to the now larger selection of usable foam materials, in particular in the region of the anchoring recess variable to desired Dämpfungsz. Support properties adjustable.
  • the insert can be used in a cushion core of foamed polyurethane, so that there is advantageously a cushion with a soft cushion core and a stable anchoring recess.
  • the insert may partially form the inner surface or inner wall for cooperation with the cam.
  • the insert part forms an annular body, more preferably in the form of a hollow cylinder with a circular ground plan.
  • This ring body can pass into a belonging to the insert bottom, according to which a complete lining of the insert receiving, bore-like recess of the foam layer is reached.
  • a so-designed insert part to a desired waterproofness contribute, in conjunction with the other outer shell of the pillow.
  • the insert is glued to the cushion, so possibly also with a corresponding receiving opening for the insert part having foam layer.
  • the insert is glued to the outer shell of the pad, this would possibly be in addition to a bonding of the insert with the foam.
  • the insert part is formed waterproof in a preferred embodiment.
  • an attachment may be made, for example, by welding.
  • the insert has a suitable for overrunning the outer shell, peripheral edge.
  • the insert part is present as a separately deliverable to the cushion in the course of production item.
  • the insert preferably consists of a foam material, so on to achieve a desired waterproofness of a closed-cell polyethylene foam.
  • the insert is cast in the form or produced by a thermal reforming process, so further preferably in a hat or cup part-like shape , As a result of this embodiment, the insert part has sufficient inherent stability.
  • the outer shell is held electrically conductive, wherein further, the outer shell may be formed as a so-called artificial leather.
  • Artificial leather is generally a composite of textile fabric with a plastic coating, which is more preferably natural fiber fabric or synthetic fibers, which are provided with a polyurethane coating.
  • this polyurethane coating with be provided with a correspondingly conductive material, so on, for example, with soot.
  • the insert is also set electrically conductive, in addition, an electrical conduction between insert and outer shell is also ensured.
  • electrical charges can be dissipated via the cushion outer shell and the insert part via the cam seated in the anchoring recess formed by the insert part.
  • Fig. 1 shows an inventive cushion in perspective, a first
  • Fig. 2 is a perspective rear view against the cushion
  • FIG. 3 shows the enlarged section along the line III-III in Fig. 1.
  • FIG. 4 shows the enlarged area IV in FIG. 3;
  • Fig. 5 is a further cross-sectional view position through an edge region of the pad, concerning a second embodiment
  • FIG. 6 shows the enlargement of the region VI in FIG. 5;
  • FIG. 7 shows a cushion of a further embodiment in perspective view with a separate item; 8 anchors the cushion according to FIG. 7 in a side view on a schematically indicated table;
  • FIG. 10 is a sectional view corresponding to FIG. 9, but after allocation and bonding of the insert part; FIG.
  • FIG. 11 shows the enlargement of the area XI in FIG. 10;
  • Fig. 12 shows the plug in side view
  • Fig. 13 the plug in front view
  • Fig. 15 the plug in a perspective front view.
  • a cushion 1 for use in the medical field for example for use in operating theaters, is shown and described.
  • Such pillows serve to support body parts of a person lying on a stretcher or an operating table, for example.
  • the cushion 1 essentially has a foam core 2 and a covering 3 comprising it.
  • the envelope 3 in the exemplary embodiment shown, it is a so-called synthetic leather, ie a composite of textile fabric and a soft polyurethane layer, which is further foamed in the illustrated embodiment.
  • the foam core 2 can be designed differently. As an example, here is a foam core 2 consisting of a polyurethane foam.
  • the casing 3 is laminated on the inside with an approximately 3-4 mm thick polyethylene foam layer 4.
  • the envelope 3 with the PE foam layer 4 laminated on the inside comprises the essentially predetermining foam core 2 in the manner of a bag or bag, forming an upper part 5 and a lower part 6, which parts are integrally connected to each other by an enveloping section 7 formed integrally throughout.
  • integrally continuous wrapping section 7 forms a back portion along a longitudinal side of the pad 1.
  • the opposite longitudinal side and the narrow edge sides of the enclosure 3, however, are not integral formed throughout, but rather separated from each other to form a pocket opening. Through this pocket opening of the foam core 2 is inserted.
  • a seam 8 is provided for joining associated outwardly sloped edge regions 9 of the envelope 3.
  • These edge regions 9 extend substantially perpendicular to the associated side wall surface of the envelope 3 or of the upper or lower part 5, 6, the projection dimension of the edge regions 9 beyond the side wall sections being approximately 3 to 6 mm.
  • edge portions 10 of the PE foam layer 4 are also placed between the two edge regions 9 of the upper part 5 and the lower part 6.
  • the seam is formed by thermoplastic deformation of the edge regions 9 and the border between these edge portions 10 of the PE foam layers 4, this under heat and pressurization of the edge regions 9.
  • an additional adhesive may be used.
  • the seam 8 is kept watertight
  • the PE edge sections 10 between the edge regions 9 possibly have an insulating effect, so that along the seam 8 between the edge regions 9 of the upper part 5 and lower part 6 no electrically conductive transition can be achieved.
  • the integrally continuous covering section 7, which extends between the circumferential ends of the seam 8, is used.
  • a further electrical conduction is given by contacting the Niethalses 14 with the conbrechungswandungen 15 of the edge regions 9.
  • a connecting part 11 is sufficient.
  • the above-described solutions are not limited to the pillow shape shown in the drawings. Rather, other three-dimensional cushion solutions are conceivable that have a seam 8, which is formed only over a portion of the circumference, while between two spaced apart seam ends one the electrical connection of two otherwise by the seam 8 separated from each other enclosing sections produces.
  • the cushion 1 can also be formed in a cuboid or cuboid, further polygonal body shapes, to pillow 1 with free-form surfaces.
  • Consisting of a melamine resin foam has approximately a thickness which the two of the layer 17 arranged above it ", for example.
  • From a polyurethane foam corresponds - and this foam core 17 comprehensive envelope 18.
  • the covering 18 the exemplary embodiment shown here is also a so-called synthetic leather, the polyurethane layer of which is adjusted correspondingly to the electrically conductive configuration of the covering 18, for example by adding carbon black or the like.
  • the sheath 18 is laminated on the inside with an approximately 3 to 4 mm thick polyethylene foam layer 19.
  • the envelope 18 with the PE foam layer 19 laminated on the inside encapsulates the foam core 2, which is predominantly provided in the form of a case or pocket, forming an upper part 20 and a lower part 21, which parts are connected to one another via a seam 23.
  • the cushion 16 is for anchoring the same on the table 22, for example.
  • Operating table provided with an anchoring recess 24. This is on the floor side, that is assigned to the table 17 facing surface 31 of the pad 16, formed.
  • the anchoring recess 24 is formed by a nikzy- linder-like, in the foam core 17 extending opening, for receiving a table-side cam 25. About this anchoring the cushion 16 is secured against sliding displacement.
  • the anchoring recess 24 is formed by an insert 26. In the course of the production of the cushion 16, the latter is initially present as a loose part, produced from a polyethylene foam which is cast in the mold or produced by a thermal forming process, according to which the insert 26 has a sufficient intrinsic stability.
  • the insert 26 has a total hat or napfteilIndia shape, with a central annular body 27 in the form of a Hohlzy Linders.
  • This ring body 27 has a material thickness of about 5 mm an outer diameter of about 30 to 35 mm, for example. 32 mm, this further at an overall height in Achserstreckung of the annular body 27 of about 25 mm.
  • the further fundamentally rotationally symmetrical with respect to the body axis x configured insert 26 has a bottom 28, with a wall thickness that is slightly larger in the illustrated embodiment than the wall thickness of the annular body 27, namely here about 7 mm.
  • the bottom 28 extends perpendicular to the annular body extension in the region of a free end of the annular body 27th
  • the bottom 28 of the opposite end of the annular body 27 is provided with a radially outwardly projecting, circumferential edge 29.
  • the radial projection dimension a beyond the ring body 27 is in the illustrated embodiment about 4 mm, this with an edge thickness of about 1.5 mm.
  • the closed-pore made of a polyethylene foam insert 26 is further set electrically conductive, so for example by the addition of carbon black or the like.
  • a circular cylindrical receiving opening 31 is formed. This is, for example, cut free.
  • the foam walls comprising the receiving opening 31 are neither compressed nor thermally deformed with respect to the formation of the anchoring recess 24.
  • the stability of the anchoring recess 24 is achieved only by inserting the insert 26. In this respect, foams can be used to nucleate the pad 16, which need not necessarily be thermally deformable.
  • the insert 26 is inserted into the receiving opening 31 and glued there. This is preferred under full-surface support of both the ring body 27 and the bottom 28 on the associated surfaces of the Schaumstoffkern- receiving opening 31.
  • the determination is carried out by gluing, so on the one hand by bonding in the ring body and bottom outer surface with the associated foam core wall.
  • adhesive bonding in the area of the edge 29 which surrounds the receiving opening 31 surrounding the receiving opening 31 preferably also takes place.
  • the adhesive bond is provided with the reference number 33.
  • this edge bonding can be done simultaneously under pressure, so as to achieve an at least approximately stepless transition from casing 18 to the edge 29 of the insert part 26.
  • both the sheath 18 and the insert 26 are adjusted electrically conductive, a good dissipation of electrical charges from the cushion 16 is achieved.

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Bedding Items (AREA)
  • Electrotherapy Devices (AREA)

Abstract

L'invention concerne un coussin (1, 16) à base de mousse à utiliser dans le domaine médical, p. ex. dans des salles d'opération, et conçu pour évacuer des charges électriques, ledit coussin (1, 16) présentant une enveloppe extérieure (3, 18) en matériau électroconducteur, un joint (8) destiné à relier des zones de bord associées (9) de l'enveloppe (3, 18) étant formé et/ou un évidement d'ancrage (24) servant à ancrer le coussin (16) sur une saillie étant formé. L'objectif de cette invention est de permettre une évacuation fiable des charges électriques et/ou d'améliorer l'ancrage. A cet effet, le joint (8) n'est formé que sur une partie du pourtour et, dans une zone restante, l'enveloppe (3) est conçue en une pièce continue et/ou l'évidement d'ancrage (24) est réalisé par l'intermédiaire d'une pièce rapportée (26).
EP06807472A 2005-11-15 2006-10-23 Coussin a base de mousse a utiliser dans le domaine medical Withdrawn EP1948297A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE202005017955U DE202005017955U1 (de) 2005-11-15 2005-11-15 Kissen auf Schaumstoffbasis zur Verwendung im medizinischen Bereich
DE202005017957U DE202005017957U1 (de) 2005-11-15 2005-11-15 Kissen auf Schaumstoffbasis zur Verwendung im medizinischen Bereich
PCT/EP2006/067662 WO2007057278A2 (fr) 2005-11-15 2006-10-23 Coussin a base de mousse a utiliser dans le domaine medical

Publications (1)

Publication Number Publication Date
EP1948297A2 true EP1948297A2 (fr) 2008-07-30

Family

ID=37875480

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06807472A Withdrawn EP1948297A2 (fr) 2005-11-15 2006-10-23 Coussin a base de mousse a utiliser dans le domaine medical

Country Status (3)

Country Link
EP (1) EP1948297A2 (fr)
DE (2) DE202005017957U1 (fr)
WO (1) WO2007057278A2 (fr)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1505257A (en) * 1974-08-07 1978-03-30 Searle & Co Pads cushions and mattresses having antistatic properties
US4686719A (en) * 1984-05-22 1987-08-18 American Industrial Research, Inc. Semi-rigid air pallet type patient mover
US4815299A (en) * 1986-12-12 1989-03-28 Conductex, Inc. Knitted fabric having improved electrical charge dissipation properties
US4970738A (en) * 1989-06-30 1990-11-20 Wy'east Medical Corporation Patient transfer device
GB9116437D0 (en) * 1991-07-31 1991-09-11 Mclintic Robert E Mattress
DE9114295U1 (de) * 1991-11-16 1992-01-09 Hintz, Klaus-Uwe, 2362 Wahlstedt Medizinisches Möbel
DE4335638C2 (de) * 1993-10-13 1996-10-02 Dieter Buckow Unterstützungselement für einen Körperteil und Verfahren zu dessen Herstellung
US5685257A (en) * 1996-02-08 1997-11-11 Feibus; Miriam Pet support cushion
US5860174A (en) * 1996-12-03 1999-01-19 Hausted, Inc. Patient transfer mattress system
US5832550A (en) * 1997-08-11 1998-11-10 Biotek Moldable vacuum cushion
US6014783A (en) * 1998-11-27 2000-01-18 Collier; David Rigid backed pneumatic cushion for convalescent recliners

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007057278A3 *

Also Published As

Publication number Publication date
WO2007057278A2 (fr) 2007-05-24
WO2007057278A3 (fr) 2007-10-18
DE202005017955U1 (de) 2007-03-29
DE202005017957U1 (de) 2007-03-29

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