EP0495882A1 - Collapsible container and method for sterilising articles - Google Patents

Collapsible container and method for sterilising articles

Info

Publication number
EP0495882A1
EP0495882A1 EP90915803A EP90915803A EP0495882A1 EP 0495882 A1 EP0495882 A1 EP 0495882A1 EP 90915803 A EP90915803 A EP 90915803A EP 90915803 A EP90915803 A EP 90915803A EP 0495882 A1 EP0495882 A1 EP 0495882A1
Authority
EP
European Patent Office
Prior art keywords
bag
container
sterilising
sterilising solution
sterilised
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Withdrawn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
EP90915803A
Other languages
German (de)
French (fr)
Inventor
Paul Radzan
Karen Radzan
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0495882A1 publication Critical patent/EP0495882A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/26—Accessories or devices or components used for biocidal treatment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
    • A61B50/30—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831—Material properties
    • A61B2017/00902—Material properties transparent or translucent
    • A61B2017/00907—Material properties transparent or translucent for light
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
    • A61B2050/005—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers with a lid or cover
    • A61B2050/0067—Types of closures or fasteners
    • A61B2050/0071—Draw-strings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
    • A61B50/30—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments
    • A61B2050/314—Flexible bags or pouches
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/08—Accessories or related features not otherwise provided for
    • A61B2090/0813—Accessories designed for easy sterilising, i.e. re-usable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
    • A61B2090/3937—Visible markers

Definitions

  • An object of the present invention is the provision of apparatus and methods of sterilisation which may be used readily when the user is away from their normal place of abode and which are readily portable by them.
  • Another object of the invention is the provision of apparatus and methods of sterilisation which enable the ready preparation of a sterilising solution of a desired strength.
  • the bag is of polyethylene.
  • the material within the bag for forming the sterilising solution is in tablet form and is located in a perforated sachet or pocket within the bag.
  • a sachet, if provided may be loose within the bag.
  • a pocket is provided this may be in the form of a perforated or mounted piece of material or the pocket may comprise a perforated portion of a plastics material tube attached to the upper edge of the container.
  • the material within the bag for forming the sterilising solution comprises sodium dichloroisocanurate.
  • Figure 3 schematically illustrates the container of Figure 1 in use to sterilise babies and infants feeding equipment
  • Figure 2 shows the bag folded several times such so it occupies a relatively small space and is held within a sealed, sterile, clear plastic wrapper 24 which completely envelopes and encloses the folded bag.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)

Abstract

Un appareil destiné à être utilisé pour stériliser le matériel servant à nourrir les bébés et les enfants en bas âge, comprend un récipient étanche et pliable contenant une certaine quantité d'un matériau (tel que le dichloroisocyanurate de sodium) qui forme une solution stérilisante lorsqu'il est mélangé avec de l'eau. Le récipient peut être constitué d'une matière plastique (telle que le polyéthylène) transparente ou translucide, et présenter une ligne ou une autre indication sur une de ses parois dans une position indiquant que le récipient contient un volume d'eau prédéterminé. Le goulot du récipient peut comprendre un sac qui possède un ourlet dans lequel se trouvent un ou plusieurs cordons grâce auxquels l'on peut fermer le sac rempli et l'accrocher, par exemple à une patère. Le matériau stérilisant qui se trouve dans le sac se présente de préférence sous la forme d'un comprimé situé à l'intérieur d'un sachet ou une poche perforé(e). Si un sachet est utilisé, il peut être libre dans le sac. La poche peut se trouver sur la partie latérale du sac (Fig. 1) ou peut constituer une portion perforée d'un tube en matière plastique fixé au bord supérieur du récipient (Fig. 4). Le sac est fourni plié et/ou enroulé dans une enveloppe hermétique stérilisée. Ces sacs pliés et/ou enroulés peuvent avantageusement être rassemblés dans une seule enveloppe hermétique stérilisée. On décrit un procédé d'utilisation de l'appareil.An apparatus for use in sterilizing equipment used to feed infants and young children includes a sealed, collapsible container containing a certain amount of material (such as sodium dichloroisocyanurate) which forms a sterilizing solution when 'it is mixed with water. The container can be made of a transparent or translucent plastic material (such as polyethylene), and have a line or other indication on one of its walls in a position indicating that the container contains a predetermined volume of water. The neck of the container may include a bag which has a hem in which there are one or more cords with which one can close the filled bag and hang it, for example on a hook. The sterilizing material in the bag is preferably in the form of a tablet located inside a sachet or a perforated pocket. If a bag is used, it may be free in the bag. The pocket can be located on the side of the bag (Fig. 1) or can constitute a perforated portion of a plastic tube fixed to the upper edge of the container (Fig. 4). The bag is supplied folded and / or rolled up in a sterilized hermetic envelope. These folded and / or rolled up bags can advantageously be collected in a single sterilized hermetic envelope. A method of using the apparatus is described.

Description

COLLAPSIBLE CONTAINER AND METHOD FOR STERILISING ARTICLES
DESCRIPTION
TECHNICAL FIELD
The invention concerns apparatus and methods of sterilisation, in particular, but not exclusively, apparatus and methods enabling sterilisation of articles used for babies and infants feeding and teething.
BACKGROUND ART
The traditional method of sterilising such articles (which term is hereinafter to be taken to include inter alia bottles, teats, teething rings and the like) involve boiling them in water for at least twenty minutes to ensure they are sterile. With the increased use of plastics materials to such articles this method has lost favour and their sterilisation ia now increasingly effected by immersion of the articles in a sterilising solution.
In this method of sterilisation the articles are immersed in a chemical sterilising solution of the desired strength prepared in a rigid bowl or other container for at least two and perhaps up to 24 hours.
Such arrangements are readily usable when the person making use of them is at home, however, they have significant drawbacks when the person intending to use them is travelling or staying away from home - they must in these circumstances arrange to carry with them the bowl or other rigid container in which sterilisation of the articles is to take place and the sterilising solution (or a quantity of material to be admixed with water to prepare the sterilising solution) .
An object of the present invention is the provision of apparatus and methods of sterilisation which may be used readily when the user is away from their normal place of abode and which are readily portable by them. Another object of the invention is the provision of apparatus and methods of sterilisation which enable the ready preparation of a sterilising solution of a desired strength.
DISCLOSURE OF THE INVENTION
In one aspect the invention provides apparatus for use in sterilising articles such as babies and infants feeding and teething equipment, the apparatus comprising a collapsible liquid tight container which has therein a quantity of material which when admixed with water will form a sterilising solution.
The apparatus may further include means enabling the volume of a liquid such as water passed to the container to be indicated.
The container may be of translucent or transparent material and said indicating means comprising a line, mark or other indicia on a wall of the container in a position indicating when the container has been filled with a pre- determined volume of liquid.
Preferably the comprises a bag which is provided with means by which it may be supported. The bag may be formed at the mouth thereof with a hem through which extends a drawstring arrangement enabling the bag to be closed when filled with sterilising solution and by means of which the bag may be supported.
Preferably the bag is of polyethylene. Desirably the material within the bag for forming the sterilising solution is in tablet form and is located in a perforated sachet or pocket within the bag. A sachet, if provided may be loose within the bag. If a pocket is provided this may be in the form of a perforated or mounted piece of material or the pocket may comprise a perforated portion of a plastics material tube attached to the upper edge of the container. Preferably the material within the bag for forming the sterilising solution comprises sodium dichloroisocanurate.
The bag may be provided folded and/or rolled within at sealed sterilised envelope, and advantageously this aspect of the invention provides a plurality of folded and/or rolled bags each located in a sealed sterilised envelope.
In a second aspect the invention provides a method of sterilising babies and infants feeding and teething apparatus comprising the steps of filling a collapsible container as set forth first above, with a liquid such that a sterilising solution is formed therein and thereafter placing within the sterilising solution in the container articles to be sterilised. The method may make use of a collapsible bag which has therein a quantity of material which when admixed with water will form a sterilising solution, the bag being of translucent or transparent material and having a line, mark or other indicia on a wall thereof at a position indicating when the container has been filled with a predetermined volume of water. Other aspects, features and advantages of the invention will become apparent from the following description of an embodiment of the invention made with reference to the accompanying drawings, in which:-
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 illustrates schematically one form of container embodying the invention prior to filling with a sterilising solution,
Figure 2 schematically illustrates the container of Figure 1 folded and within a sterile outer envelope,
Figure 3 schematically illustrates the container of Figure 1 in use to sterilise babies and infants feeding equipment, and
Figure 4 illustrates schematically a modified form of the container of Figure 1, prior to filling with a sterilising solution.
MODES FOR CARRYING OUT THE INVENTION
With reference now to the drawings, Figure 1 shows the container for sterilising solution embodying the invention to comprise a bag 10 of (250 - 500) gauge transparent polyethylene material. The bag carries a mark or index 12 to indicate to a user, when filling the bag with water, that a desired volume of water has been placed in the bag. Conveniently the mark 12 has been placed at a level on the surface of the bag which is reached when 4.5 litres (one Imperial gallon) of liquid has been placed in the bag.
The inner wall of the bag of Figure 1 is provided at 14 with a pocket having a perforated inner wall and within which are provided two or more tablets 16 each including, as the active ingredient, 500mg of Sodium Dichloroisocanurate which when admixed with 4.5 litres water will form a suitably concentrated solution for sterilising articles of babies and infants feeding and teething equipment.
The upper end of the bag is provided with a drawstring 18 passing through a reinforced tube 20 formed on the outer surface of the bag.
Figure 2 shows the bag folded several times such so it occupies a relatively small space and is held within a sealed, sterile, clear plastic wrapper 24 which completely envelopes and encloses the folded bag.
When a user wishes to use the bag he or she simply
• open., the envelope 24, removes the bag 10 and unfolds it until it adopts the flattened condition shown in Figure 1.
The user then fills the bag to the level of the mark 12 (having first - perhaps - manipulated the bag such that the tablets 16 are broken up) .
Thereafter the user places within the bag any babies or infants feeding equipment which he or she wishes to- be sterilised - such as is indicated at 26 in Figure 3). As soon as the equipment which it is desired to sterilised has been placed within the bag the user closes the bag by pulling on drawstring 18.and may then use the drawstring 18 to support the bag, filled with sterilising solution and equipment to be sterilised, on a convenient hook or other projection - as shown at 30 in Figure 3.
After having allowed the equipment being sterilised to remain in the bag for sufficient time to ensure that the equipment has been properly sterilised the user simply removes the sterilised equipment therefrom and may, if desired, place in the bag other equipment to be sterilised. After 24 hours the user simply disposes of both the .ag and the spent sterilising solution.
When the user wishes next to sterilise babies or infants feeding equipment he or she simply takes another sealed envelope 24 and operates in exactly the same way as described above. It is envisaged that the bags as herein described will be provided as sets of 7, 14 or 21 - a convenient number to be taken by a person travelling, for example, when on holiday. It will be appreciated that various modifications may be made to the disclosed arrangements without departing from the scope of the present invention, some of which are illustrated in Figure 4.
The bag 40 shown in Figure 4 is, it will be seen, provided with a plurality of indicia 42 marked on the surface thereof to enable different volumes of water to be placed therein (and thereby different concentrations of sterilising solution to be formed within the bag).
The drawstring arrangement of the bag 40 comprises a pair of drawstrings 44 and 44' each of which is arranged to pass through a hem 46 formed at the mouth of the bag by turning over the upper edge of the plastics bag material and then suitably fixing it to the wall of the bag (for example by- stitching or solvent welding). In this fixing operation, an elongate plastics tube 50 is "attached to the mouth of the bag to extend into the bag as shown in Figure 4. The upper end 52 of tube 50 is open whilst the lower end 54 tube is closed. Over the lowermost region of the tube 50 there are provided a plurality of small perforations 56 as shown.
Within tube 50 - placed therein via the open upper end 52 of the tube - there are provided two or more tablets 58 of sodium dichloroisocanurate.
The bag shown in in Figure 4 may be used in the same way as that described above with reference to Figures 1, 2 and 3 and is preferably provided in a sealed envelope as described with the arrangement of Figure 2.
It will be appreciated that when the bag is filled with water to the level of one or other of the indicia 42 the plastics tube 50 will extend down into the water and will be movable therein to an extent which enhances the rate at which the tablets 58 dissolve.
Other modifications, not shown in the drawings, may be made to the described arrangements without departing from the scope of the invention. For example the form of the container, described above as a foldable, flexible, polyethylene bag may be provided as semi-rigid but foldable container of any other plastics - or any other suitable material.
Although conveniently provided with a pocket into which tablets of Sodium Dichloroisocanurate (or any other suitable chemical) may be placed it will be appreciated that the the material within the bag for forming the sterilising solution may simply be provided loose in the bottom of the bag or be provided within a sachet of the same material as the bag, which sachet has perforated walls and is loose in the bag as provided to a user.
If provided as a foldable, flexible bag - the drawstring 18 (or 44, 44') may be supported on the outer surface thereof by use of a reinforced tube 20 (or in a hem 46) as described or in any other suitable way.
Although conveniently provided folded flat within the sealed envelopes 24 it will be appreciated that the bags 10 may be provided rolled up, to form cylindrical elements within the wrappers 24.
INDUSTRIAL APPLICABILITY
It will be appreciated that the described arrangements may be used to sterilise things other than babies and infants feeding equipment; that the size of the folc .ble container may be varied from that described; and that the amount of anhydrous sterilising chemical may be varied from that described.
It will be appreciated from the foregoing that the present invention provides a readily usable, readily disposable system enabling babies and infants feeding equipment to be easily sterilised whilst the user is travelling away from home.
It will further be appreciated from the foregoing that the invention provides a container which may readily and easily be filled with water to provide a selected concentration of sterilising solution.

Claims

1. Apparatus for use in sterilising articles such as babies and infants feeding and teething equipment, the apparatus comprising a collapsible liquid tight container which has therein a quantity of material which when admixed with water will form a sterilising solution.
2. Apparatus as claimed in Claim 1, further including means enabling the volume of a liquid such as water passed to the container to be indicated.
3. Apparatus as claimed in Claim 2, wherein the container is of translucent or transparent material and said indicating means comprising a .line, mark or other indicia on a wall of the container in a position indicating when the container has been filled with a pre-determined volume of liquid.
4. Apparatus as claimed in any one of claims 1 to 3, wherein the collapsible container comprises a bag which is provided with means by which it may be supported.
5. Apparatus as claimed in Claim 4, wherein the bag is formed at the mouth thereof with a hem through which extends a drawstring enabling the bag to be closed when filled, with sterilising solution and by means of which the bag may be supported.
6. Apparatus as claimed in Claim 5, wherein the bag is of polyethylene.
7. Apparatus as claimed in any one of claims 1 to 6, wherein the material within the bag for forming a sterilising solution is in tablet form and is located within a pocket within the bag.
8. ■ Apparatus as claimed in Claim 7, wherein the pocket comprises a perforated portion of a plastics material tube attached to the upper edge of the container.
9. Apparatus as claimed in any one of claims 1 to 6, wherein the material within the bag for forming a sterilising solution is in tablet form and is located within a perforated sachet loose within the bag.
10. Apparatus as claimed in any one of claims 1 to 9, wherein said the material within the bag for forming a sterilising solution comprises sodium dichloroisocanurate.
11. Apparatus as claimed in any one of claims 1 to 10, wherein said bag is provided folded and/or rolled within a sealed sterilised envelope.
12. Apparatus comprising a set of folded and/or rolled bags each located in a sealed sterilised envelope as claimed in Claim 11.
13. A method of sterilising babies and infants feeding and teething apparatus comprising the steps of filling a collapsible container as claimed in any one of claims 1 to 12, with a liquid such that a sterilising solution is formed therein and thereafter placing within the sterilising solution in the container articles to be sterilised.
14. A method as claimed in claim 13, making use of apparatus as claimed in Claim 5 and any one of claims 6 to 12, wherein the bag is filled with water to form a desired concentration of t sterilising solution therein, articles to be sterilised are then placed in the bag, and the drawstring pulled tight to close the bag is used as means by which the bag may be supported from a hook formation.
15. Apparatus as claimed in Claim 1 and substantially as hereinbefore described with reference to the figures of the accompanying drawings.
16. A method as claimed in Claim 13 and substantially as hereinbefore described with reference to the accompanying drawings.
EP90915803A 1989-10-09 1990-10-08 Collapsible container and method for sterilising articles Withdrawn EP0495882A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898922675A GB8922675D0 (en) 1989-10-09 1989-10-09 Apparatus and methods of sterilization
GB8922675 1989-10-09

Publications (1)

Publication Number Publication Date
EP0495882A1 true EP0495882A1 (en) 1992-07-29

Family

ID=10664257

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90915803A Withdrawn EP0495882A1 (en) 1989-10-09 1990-10-08 Collapsible container and method for sterilising articles

Country Status (5)

Country Link
EP (1) EP0495882A1 (en)
AU (1) AU653139B2 (en)
CA (1) CA2067245A1 (en)
GB (2) GB8922675D0 (en)
WO (1) WO1991004756A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2268404A (en) * 1992-07-10 1994-01-12 System Sovereign Limited Portable steriliser unit
GB2427140B (en) * 2005-06-17 2010-06-16 Andrew Zwolinski Immersion arrangement
CN110215289A (en) * 2019-06-05 2019-09-10 安徽迈德普斯医疗科技有限公司 A kind of partition-type multifunctional medical operation packet

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3503703A (en) * 1964-12-14 1970-03-31 Sybron Corp Apparatus for sterilizing
US3476506A (en) * 1965-04-14 1969-11-04 Andersen Prod H W Sterilization apparatus
CH639855A5 (en) * 1979-12-27 1983-12-15 Pharnova Sa Device for cold sterilisation of feeding bottles
US4306029A (en) * 1980-04-30 1981-12-15 Baxter Travenol Laboratories, Inc. Urine storage containers with urease
GB2094149B (en) * 1981-03-09 1984-07-18 Mothercare Ltd Sterilisers and floats therefor
EP0138851A4 (en) * 1983-04-18 1986-11-26 Baxter Travenol Lab Articles and compositions providing antimicrobial effect during urinary drainage.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9104756A1 *

Also Published As

Publication number Publication date
WO1991004756A1 (en) 1991-04-18
GB2236483A (en) 1991-04-10
AU6611490A (en) 1991-04-28
GB2236483B (en) 1993-01-20
AU653139B2 (en) 1994-09-22
CA2067245A1 (en) 1991-04-10
GB8922675D0 (en) 1989-11-22
GB9021797D0 (en) 1990-11-21

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