EP3688771B1 - Verfahren und vorrichtung zum umweltdichten verbinden einer schutzhülle mit einer sicherheitshülle - Google Patents

Verfahren und vorrichtung zum umweltdichten verbinden einer schutzhülle mit einer sicherheitshülle Download PDF

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Publication number
EP3688771B1
EP3688771B1 EP18807261.5A EP18807261A EP3688771B1 EP 3688771 B1 EP3688771 B1 EP 3688771B1 EP 18807261 A EP18807261 A EP 18807261A EP 3688771 B1 EP3688771 B1 EP 3688771B1
Authority
EP
European Patent Office
Prior art keywords
protective cover
cover
protective
region
film
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
EP18807261.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3688771A1 (de
Inventor
Martin Koch
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.)
Flecotec AG
Original Assignee
Flecotec AG
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 Flecotec AG filed Critical Flecotec AG
Publication of EP3688771A1 publication Critical patent/EP3688771A1/de
Application granted granted Critical
Publication of EP3688771B1 publication Critical patent/EP3688771B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B17/00—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes
    • A62B17/006—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes against contamination from chemicals, toxic or hostile environments; ABC suits
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/02—Overalls, e.g. bodysuits or bib overalls
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B17/00—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes
    • A62B17/001—Adaptations for donning, adjusting or increasing mobility, e.g. closures, joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L1/00—Enclosures; Chambers
    • B01L1/02—Air-pressure chambers; Air-locks therefor
    • 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
    • A61G10/00—Treatment rooms or enclosures for medical purposes
    • A61G10/005—Isolators, i.e. enclosures generally comprising flexible walls for maintaining a germ-free environment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/14—Process control and prevention of errors
    • B01L2200/141—Preventing contamination, tampering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/505—Containers for the purpose of retaining a material to be analysed, e.g. test tubes flexible containers not provided for above
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2002/7498—Partitions for clean rooms
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F3/00—Shielding characterised by its physical form, e.g. granules, or shape of the material
    • G21F3/02—Clothing
    • G21F3/025—Clothing completely surrounding the wearer
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F5/00—Transportable or portable shielded containers
    • G21F5/06—Details of, or accessories to, the containers
    • G21F5/12—Closures for containers; Sealing arrangements
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F7/00—Shielded cells or rooms
    • G21F7/005—Shielded passages through walls; Locks; Transferring devices between rooms

Definitions

  • the invention relates to a method for the environmentally-tight connection of a first at least partially flexible protective cover, which forms a barrier between a contaminated and an uncontaminated area, with a second at least partially flexible safety cover according to the features of the preamble of claim 1. Furthermore, the invention relates to a Device for the environmentally-tight connection of a protective cover to a safety cover for carrying out such a method according to the features of the preamble of claim 8.
  • Such a method can be used to transfer a content located in a protective cover, which is protected against contamination by the protective cover, from a contaminated area to an area protected against contamination, such as a clean room or a manipulator room, the transfer being environmentally-tight, ie should take place without any risk of contamination of the protective cover contents, in particular without the entry of germs and pathogens such as viruses.
  • the protective cover can be a protective suit for the transfer of a person or a protective packaging for sterile objects which are secured against contamination by the packaging and which are environmentally sealed, ie protected, for example, to be transferred to a manipulator room.
  • the document EP 0 097 514 B1 discloses a method of the type mentioned at the beginning.
  • this method provides a zipper to form an opening enabling the transfer, both on the protective cover, such as a protective suit or protective packaging, and on the safety cover, for example the cover of a protective space.
  • the zip fasteners are each covered by a film web which is held in the covering position by means of interacting adhesive fastener elements from which they can be folded over by releasing the adhesive fastener connection in such a way that they are connected to the Corresponding adhesive fastener parts can come into adhesive engagement on the respective other cover and thereby establish a sealed connection between protective cover and security cover, after which the transfer opening can be produced by opening both zippers.
  • connection established according to the known method does not offer sufficient security against contamination.
  • the covering film webs of both zip fasteners must be lifted out of the closed position so that the respective zip fastener is exposed until the adhesive fastener connection is re-established on both covers. Since the respective zipper does not form an environmentally tight barrier, the connection in this process section is unprotected. Even after the adhesive fastener connection has been produced between the two covers, the protection is inadequate because a connection between the adhesive fastener elements is not completely environmentally tight.
  • the invention has the object of specifying a method of the type mentioned at the beginning which enables the production of a particularly safe connection between the casings in question, which also offers protection against microbiological contamination.
  • the docking area In the docking area, the docking process between the security envelope and the protective envelope takes place in accordance with steps a) and b).
  • the docking area which is preferably located on the outer wall of a protective room or on a lock chamber of a manipulator room, has a passage for the transfer of the contents of the protective cover to the protective room or to the lock chamber.
  • the security envelope forms the hermetic seal of this passage.
  • the safety sheath is attached to the edge of the passage in the form of a closed, extendable hose which, with its closed end, spans the passage over the area before the docking steps a) and b) are carried out.
  • the docking process can be carried out in such a way that the area of the safety sheath forming the receiving end is displaced out of the surface, so that a connection area is formed for the end of the protective sheath, into which this end of the protective sheath can penetrate, around the ends of the bring both shells together in step b).
  • step c) the mutually adjacent ends of the two shells are welded, the Welding process is carried out as parting welding in such a way that the end parts lying on the other side of the welding line are separated off as waste, and that the welded connection is made peelable, so that an opening can be formed between the two interconnected foil pairs of protective cover and safety cover to discharge the contents of the protective cover .
  • step d1) This process can be carried out according to step d1) by turning the protective cover over the opening so that the inside of the protective cover with the contents is turned outwards, after which both the connection area of the safety cover and the unit with the everted one are hermetically closed again by separating welding Protective cover is separated for disposal.
  • the discharge according to step d2) can be carried out in such a way that the protective cover is covered with the security cover when it is pulled through the passage and then both covers are separated from the security cover and the cover is closed. Again, a unit is available for disposal in which a contaminated area is completely closed to the outside by the surrounding safety envelope.
  • variant d2 in which the everted protective cover with the uncontaminated inside itself forms the inclusion of the contaminated area, in the variant according to d2) the need for film surface for the safety cover is greater.
  • this is counteracted by the advantage of a simplified process sequence due to the elimination of the turning process.
  • the protective cover is withdrawn into the contaminated area and the ends are then welded to separate the safety cover by forming a further welded connection between adjacent film parts.
  • a contaminated area is enclosed inside the everted protective cover while closing the passage opening, while when proceeding according to variant d2) when wrapping the protective cover by means of the safety cover and closing the cover, a closed intermediate area as a contaminated area is formed. If the technical terms welding or sealing are mentioned, this includes the creation of peelable closure parts.
  • the invention also relates to a device for the environmentally-tight connection of a protective cover with a safety cover for carrying out the method according to the invention, with the features of claim 8 in its entirety.
  • Advantageous refinements of the invention are the subject of the claims dependent on claim 1 or 8.
  • a device for the environmentally-tight connection of a protective cover with a safety cover comprises a dispensing device for a weldable film material which, dispensed as a film tube, comprises a passage for transfer from a contaminated area to an uncontaminated area using a protective cover and, as an at least partially flexible safety cover, the contaminated from the hermetically seals off the uncontaminated area, and at least one welding device for producing at least one foil connection between superimposed foil web parts of the security envelope and the respective protective envelope, which penetrates with one end into a receiving end of the security envelope when transferring from the contaminated area to the uncontaminated area in a docking area, according to the invention it is provided that the dispensing device is designed as a cassette in which the film tube, in particular stacked or rolled up, is stored, which, with its closed end as the receiving end for the penetrating end of the protective cover, enables continuous tube removal for several discharge processes of protective covers.
  • the safety cover is advantageously designed in the form of a film tube, the free end of which remains closed in the docking area before the opening is made and after the protective cover has been released, the film tube being stored in a cassette, enclosing the passage and hermetically sealing off the contaminated area from the uncontaminated area. in particular stacked or rolled up, enables continuous hose removal for several discharge processes of protective covers.
  • the protective cover is preferably designed to be peelable at least at its penetrating end with its successive film web parts, so that the film webs that have been sealed off from one another to this extent release the passage opening.
  • a protective suit can be formed by the protective cover for the environmentally sealed transfer of a person, and after the at least one peelable film web or its web parts have been pulled apart, entry or exit into or out of the protective suit can be made possible by releasing the passage opening.
  • the docking area can be connected upstream of a manipulator room as part of the device, in which work is carried out, gripped from the outside in gloves, the docking area being separated from the manipulator room by means of a lock.
  • the docking area in front of the manipulator room can be designed as a lock chamber, together with the cassette for the film tube and at least one welding device.
  • the respective welding device can advantageously be formed from two mutually movable welding jaws, which allow a tight welding or sealing of the film material and, in addition to the formed connecting seam, simultaneously a severing or cutting of the same.
  • a protective cover 2 in the form of a protective suit is formed from weldable film webs.
  • the protective cover 2 forming the protective suit has a through opening which is formed from two superposed film web parts 6 and 8 which are peelably welded to one another at the free end 10 so that they can be pulled apart to achieve the To release passage opening.
  • the passage opening is closed, the person 4 is protected against contamination from the outside by means of a hermetic enclosure.
  • a docking area 16 with a passage 18 enabling the transfer is provided on this.
  • the Figs. 1 to 5 illustrate the docking process and the establishment of an environmentally-tight connection between the protective cover 2 and a safety cover 20.
  • the film web parts 6 and 8, which are located on the free end 10 form the peelable closed passage opening 10 of the protective suit, folded and rolled up in a closable breast pocket 22 of the protective suit, from which it is pulled out for the docking process and into the in Fig. 1 and 2 position shown can be brought.
  • the safety sheath 20 is formed from a tube of weldable film material which, with its closed bottom 24, forms a hermetic seal of a passage 18 which is provided for the transfer in the outer wall 14.
  • the protective cover 20 thereby separates the contaminated area 12 from an uncontaminated area.
  • the open end of the tube forming the safety sheath 20 opposite the bottom 24 is stored in the rolled-up state in a cassette 26 which surrounds the edge of the transfer passage 18 of the outer wall 14.
  • the protective sleeve is 20 in Fig. 2 Can be pulled out to the right and is available from the supply for several discharge or transfer processes.
  • the Fig. 2 shows that the security sheath 20 is pulled slightly to the right for the docking and connection process, so that the protective sheath 2 with its penetrating end 10 can be received in a receiving end 28 of the security sheath 20, as shown in FIG Fig. 3 it is shown where the adjacent track parts 6 and 8 of the protective cover 2 lie between track parts 30 and 32 of the safety cover 20.
  • the Fig. 2 shows that the security sheath 20 is pulled slightly to the right for the docking and connection process, so that the protective sheath 2 with its penetrating end 10 can be received in a receiving end 28 of the security sheath 20, as shown in FIG Fig. 3 it is shown where
  • FIG. 4 shows the following welding of the adjacent parts of the track. This is done by separating welding by means of movable welding jaws 34, wherein, as in FIG Fig. 4 and 5 shown, a protruding end piece 36 is separated and disposed of.
  • Known welding bars are provided as welding jaws 34 for separating welding processes, which extend over the entire width of the hose of the sleeves 2, 20 to be welded.
  • Such welding bars for electrical thermal pulse welding are available, for example, from JOKE Foliensch bulktechnik GmbH, Asselborner Weg 14 to 16, DE 51429 Bergisch Gladbach.
  • the Fig. 6 illustrates the subsequent step of forming a through opening 40 by peeling, ie lifting the web parts 6 and 8 from one another.
  • the protective cover 2 can be turned over the opening 40, so that the inside of the protective cover 2 is turned outwards and thereby the Contents of the protective cover 2, ie when the protective cover 2 is designed as a protective suit, the person 4 is discharged onto the clean side behind the outer wall 14.
  • Figures 7 and 8 show, the everted protective cover 2 by a separation welding process, as it is also in Fig. 4 is carried out by means of the welding jaws 34, closed and separated from the safety sheath 20. While at Fig.
  • the end piece 36 arises as separated waste
  • the closed protective cover 2 with the contaminated interior 42 is now separated for waste disposal, see FIG. Fig. 8 .
  • the person to be protected from contamination can basically get into a contaminated room via the associated passage opening 18 in the protective suit in the reverse order as described and accordingly detach from the docking area 16.
  • FIGS 9 to 11 illustrate a variant in which, based on the state of Fig. 6 with the opening 40 formed, the protective cover 2 is not turned inside out, but in the in Fig. 9 is pulled through the transfer passage 18 of the outer wall 14 in the direction indicated by arrow 44.
  • the safety sheath 20 connected to the protective sheath 2 at the weld 38 is also pulled out and thereby forms a sheath 46 of the protective sheath 2.
  • a contaminated intermediate space 48 is formed as a closed area between protective sleeve 2 and casing 46, so that, as in FIG Fig. 11 shown, the detached, completed Unit is disposable.
  • the protective suit can then be exited through the opening left free on the front (not to scale).
  • the Fig. 12 shows an example in which the docking area 16 is formed by a lock chamber 50 which is connected upstream of a manipulator room (not shown), of which only a partition 52 is indicated.
  • the manipulator room which forms a clean room or sterile room, can, as is usual, be carried out in gloves and work can be carried out from the outside.
  • the Fig. 12 shows the docking process for the contamination-free passage of the protective cover 2 from a contaminated area 12 through the lock chamber 50 to the manipulator room.
  • the protective cover 2 here forms the hermetically sealed packaging for objects 54. In the same way as in FIG Fig.
  • the protective sheath 2 with the peelably welded penetrating end 10 is inserted into the receiving end 28 of the security sheath 20 and in a corresponding manner, as in FIG Fig. 4 shown, welded by means of the welding jaws 34 in a peelable manner. Since the welding point is located within the closed area of the lock chamber 50, which is connected to the manipulator room as the clean room of the lock chamber 50, the welding jaws 34 are arranged outside an elastically flexible partition 54 that encloses this clean room and is formed, for example, by a tubular silicone layer whose resilience enables the welding jaws 34 to be moved against one another from the outside for cut-off welding.
  • the objects 54 in the manipulator space can be removed after forming the through opening 40 by peeling the weld at the penetrating and receiving ends 10 and 28, respectively.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Emergency Management (AREA)
  • Toxicology (AREA)
  • Business, Economics & Management (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Textile Engineering (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • External Artificial Organs (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
EP18807261.5A 2017-11-21 2018-11-19 Verfahren und vorrichtung zum umweltdichten verbinden einer schutzhülle mit einer sicherheitshülle Active EP3688771B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017010737.8A DE102017010737A1 (de) 2017-11-21 2017-11-21 Verfahren zum umweltdichten Verbinden einer Schutzhülle mit einer Sicherheitshülle
PCT/EP2018/081683 WO2019101664A1 (de) 2017-11-21 2018-11-19 Verfahren und vorrichtung zum umweltdichten verbinden einer schutzhülle mit einer sicherheitshülle

Publications (2)

Publication Number Publication Date
EP3688771A1 EP3688771A1 (de) 2020-08-05
EP3688771B1 true EP3688771B1 (de) 2021-05-19

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ID=64426897

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EP18807261.5A Active EP3688771B1 (de) 2017-11-21 2018-11-19 Verfahren und vorrichtung zum umweltdichten verbinden einer schutzhülle mit einer sicherheitshülle

Country Status (6)

Country Link
US (1) US11389674B2 (enrdf_load_stackoverflow)
EP (1) EP3688771B1 (enrdf_load_stackoverflow)
JP (1) JP7352543B2 (enrdf_load_stackoverflow)
CN (1) CN111373488B (enrdf_load_stackoverflow)
DE (1) DE102017010737A1 (enrdf_load_stackoverflow)
WO (1) WO2019101664A1 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH714620A2 (de) * 2018-02-01 2019-08-15 Tb Safety Ag System und Verfahren zum Ausziehen eines Schutzanzuges.
EP3909880A1 (en) * 2020-05-13 2021-11-17 Lugaia AG Method and device for creating an environmentally sealed connection between two regions
AT527487B1 (de) 2023-12-12 2025-03-15 Tb Safety Ag Anordnung zum hermetisch sicheren Andocken eines Schutzanzugs und zum Verlassen eines kontaminierten Innenbereiches

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JPS60599A (ja) 1983-06-16 1985-01-05 富士通テン株式会社 車両の稼動状況表示装置
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Also Published As

Publication number Publication date
CN111373488A (zh) 2020-07-03
WO2019101664A1 (de) 2019-05-31
JP2021504103A (ja) 2021-02-15
US20200298030A1 (en) 2020-09-24
CN111373488B (zh) 2023-09-22
US11389674B2 (en) 2022-07-19
JP7352543B2 (ja) 2023-09-28
DE102017010737A1 (de) 2019-05-23
EP3688771A1 (de) 2020-08-05

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