EP0738545A1 - Méthode et dispositif pour nettoyer et désinfecter des récipients medicaux - Google Patents

Méthode et dispositif pour nettoyer et désinfecter des récipients medicaux Download PDF

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Publication number
EP0738545A1
EP0738545A1 EP96104991A EP96104991A EP0738545A1 EP 0738545 A1 EP0738545 A1 EP 0738545A1 EP 96104991 A EP96104991 A EP 96104991A EP 96104991 A EP96104991 A EP 96104991A EP 0738545 A1 EP0738545 A1 EP 0738545A1
Authority
EP
European Patent Office
Prior art keywords
container
cleaning
coupling head
dishwasher
lid
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.)
Granted
Application number
EP96104991A
Other languages
German (de)
English (en)
Other versions
EP0738545B1 (fr
Inventor
Hans Biermaier
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.)
BHT Hygienetechnik GmbH
Original Assignee
BIERMAIER HANS BHT HYGIENE TECHNIK GmbH
Biermaier Hans
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 BIERMAIER HANS BHT HYGIENE TECHNIK GmbH, Biermaier Hans filed Critical BIERMAIER HANS BHT HYGIENE TECHNIK GmbH
Publication of EP0738545A1 publication Critical patent/EP0738545A1/fr
Application granted granted Critical
Publication of EP0738545B1 publication Critical patent/EP0738545B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L13/00—Cleaning or rinsing apparatus
    • B01L13/02—Cleaning or rinsing apparatus for receptacle or instruments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/0821—Handling or manipulating containers, e.g. moving or rotating containers in cleaning devices, conveying to or from cleaning devices
    • B08B9/0826—Handling or manipulating containers, e.g. moving or rotating containers in cleaning devices, conveying to or from cleaning devices the containers being brought to the cleaning device
    • 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
    • B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
    • B01L3/5082—Test tubes per se

Definitions

  • the invention relates to a method and a device for cleaning and disinfecting medical containers according to the preamble of claim 1 and to a device for carrying out the method according to the preamble of claim 6.
  • Such containers which are also called suction vessels or secretion containers in the medical field, are primarily used for suctioning oral, respiratory or wound secretions in clinics and medical practices.
  • Known secretion canisters are designed as a cylindrical tube with a round bottom and in particular have no undercuts, edges or other projections, so that no secretions can stick to unevenness in the interior of the canister.
  • the containers are closed with a lid which is pushed over the open end of the cylinder tube by means of a lip seal.
  • the cover has one or two connecting pieces. Lids, which have two connecting pieces, are connected with one piece to a vacuum source, such as a pump, and with the second piece a suction hose.
  • a float valve is arranged in one of the nozzles, which prevents secretions from reaching the suction pump when the secretion canister is full. Furthermore, some of these secretion canisters have both non-return valves which are installed in such a way that when the vacuum source is switched off, both nozzles are closed, so that a vacuum remains from the atmosphere inside the container, which serves to support the lid firmly on the container hold. This means that no residual secretions can leak during transport.
  • the object of the present invention is therefore to improve the method and device of the type mentioned at the outset in such a way that a safe opening and cleaning (including disinfection) of the containers is ensured.
  • the basic idea of the invention is that the still tightly and hygienically closed containers are introduced into a cleaning machine in a leak-proof orientation, are tilted into an outlet position when or after the door of the cleaning machine is closed, and then the lid of the cleaning machine is closed with the door tightly closed the container is automatically released, whereupon the cleaning and disinfection processes for the container and the lid begin.
  • the operator is thus released from the task of opening the lid and does not come into contact with the secretions collected in the container.
  • the container is in a leak-proof orientation, so that even with a leaky lid or leaky valves, the risk of secretions leaking out is reduced.
  • the device according to the invention comprises a frame which is attached to the door pivotable about a horizontal axis.
  • the frame has receptacles for the clear positioning and fixing of the containers.
  • the receptacles are aligned so that the container is held in the leak-proof position when the door is open during loading. If the door is closed by swiveling, the container is also swiveled automatically, usually by an angle of 90 °. This brings the container into an outflow position.
  • the lid is opened by a medium under pressure, preferably water, cleaning or disinfecting liquid or compressed air, which are provided by the cleaning machine.
  • a medium under pressure preferably water, cleaning or disinfecting liquid or compressed air
  • a Connection piece of the cover connected to a pressure source when loading the machine with a hose.
  • the pressure inside the container is pressurized by this pressure source, so that the lid is removed from the container.
  • the lid is blown off, so to speak. Only then can the secretions collected in the container leak out due to gravity and be discharged into the sewage system.
  • the container can be opened with a pressurized disinfectant solution.
  • the secretions are then mixed with this disinfectant solution and kept inside the machine for a period of time sufficient to kill the germs.
  • a shut-off valve in the machine outlet is closed.
  • the cleaning and disinfection process can be carried out with the usual cleaning and disinfection additives, a rinse aid with fully demineralized water, and possibly also a further disinfection with heated, germ-free air or water vapor etc.
  • a further development of the invention provides that the cover itself is brought and held in a position in the secretions accumulated in the cover after it has been detached from the container also leak due to the effects of gravity.
  • the lid is also brought into a defined position, in which it is aligned relative to spray nozzles for cleaning liquid, so that it is completely cleaned.
  • the lid is automatically replaced on the container and the container is thereby closed.
  • the lid is first swung up again by compressed air or a mechanical gripper arm until it is correctly aligned with the container and then advanced by hydraulic, pneumatic or mechanical devices in the direction of the opening of the container until the container is closed again. All this is done with the door of the cleaning machine closed, so that the container is sterile closed when it is removed from the machine.
  • FIG. 1 shows a cleaning machine 1 in a side view with the door 2 open.
  • a device in the form of a frame 3 is attached to the door 2 and holds the container 4 to be cleaned and its lid 5.
  • the cover 5 has at least one connecting piece 6.
  • the frame 3 has a frame 7, to which two receptacles 8 and 9 for holding and holding the container 4 are attached. As can best be seen from FIG. 5, these receptacles have recesses into which the containers can be clamped. Alternatively, the receptacles 8 and 9 could also be elastic clips.
  • the coupling head 10 On the frame 3 there is a coupling head 10 which can be plugged onto the connecting piece 6 of the cover 5 and can thus be connected. Furthermore, the coupling head 10 is connected to a hose line 11, which is connected at its other end to a supply part 12 located inside the machine 1, which supplies compressed air or disinfectant liquid through the hose line 11 to the coupling head 10.
  • the frame 3 is constructed such that a central axis 13 of the container 4 is oriented obliquely upwards when the door 2 is open, for example at an angle of 45 ° to the horizontal. So that the container 4 is positioned in such a position that its contents cannot leak even when the lid 5 is open or leaking.
  • FIGS. 4 and 5 Further details of the frame are explained in more detail in connection with FIGS. 4 and 5. Is the frame 3 together with the container 4 held in it on the door 2 attached, which can be done for example by inserting or latching into brackets (not shown) on the door and the hose 11 is connected to the coupling head 10, the door is closed by pivoting about a horizontally oriented door joint 14. As a result, the frame is moved into the interior 15 of the cleaning machine 1 and at the same time tilted by 90 ° until the position shown in FIG. 2 is assumed when the door is completely closed.
  • the container 4 is tilted into an outlet position, ie its central axis is now directed obliquely downwards and its contents flow downward by gravity against the lid 6 which is still closed.
  • the "washing program" can be started. After possible work steps such as pumping out residual water in the sump of the machine, checking valve positions, water pressure etc., the program checks whether door 2 is completely closed. If this is the case, the supply part 12 conveys a medium under pressure, such as gas or cleaning liquid, into the hose 11. This is connected via the coupling head 10 to the connecting piece 6 of the cover 5. A check valve possibly located in the nozzle is opened by this pressure and the interior of the container 4 is pressurized.
  • a medium under pressure such as gas or cleaning liquid
  • the cover 5 is moved together with the pipe socket 6 and the coupling head 10 in the direction of the central axis 13 of the container and thus separated or “blown off” from the container.
  • the connection between the connecting piece 6 and the coupling head 10 remains. Since the coupling head is displaceably guided on a guide 17 of the frame 13, which runs approximately parallel to the central axis 13 of the container 4, it slides along the guide 17 along with the cover 17 up to a stop 18.
  • the container is thus opened and closed Content can flow out through the action of gravity and over the interior 15 get a drain 16.
  • the coupling head 10 is in turn pivotable about a horizontal axis.
  • a weight 18 is attached to the coupling head 10, which is oriented approximately horizontally when the cover is still closed (cf. Lid 5 pivots into such a position that objects, liquids or secretions located in the interior of the cap-shaped lid can fall or flow into the interior of machine 15 by the action of gravity. This position is shown in Fig. 3.
  • the program of the machine checks whether the lid is open, which is recognizable by the fact that the pressure inside the hose 11 suddenly drops.
  • the actual cleaning program can now begin.
  • several spray nozzles 19, 20, 21, 22 are arranged in the interior 15, through which cleaning liquid can be sprayed to all the locations to be cleaned. This is indicated by dashed lines in Fig. 3.
  • a spray nozzle 23 is also provided on the coupling head 10 and is supplied with cleaning fluid via the hose line 11. When the coupling head 10 is pivoted, this nozzle 23 is oriented such that it guides cleaning fluid into the interior of the container 4.
  • the nozzle 22 is arranged so that it sprays the inside of the lid 5, so that this is also completely cleaned.
  • the washing program then runs in a conventional manner with various cleaning, disinfecting and optionally also drying steps.
  • the cleaning can be done with a cleaning solution and fresh water and disinfection with chemical disinfectants and / or steam.
  • door 2 is opened.
  • the frame pivots back into the position shown in FIG. 1.
  • the weight 19 pivots the coupling head 10 again into the closed position of the lid 5, the coupling head 10 including the lid 5 sliding along the guide 17 in the direction of the container 4.
  • the lid 5 can still be pushed completely onto the container 4 by hand.
  • the hose line 11 is separated from the coupling head 10 and the frame 3 together with the cleaned containers can be removed from the machine.
  • the container can also be closed automatically before or when the door is opened.
  • Containers of any kind can be cleaned with the described device, for example also those containers which contain small parts to be cleaned, such as syringe needles, which have to be cleaned before disposal.
  • a collecting container 25 is attached to the frame 3, which is arranged so that it is in the closed position of FIGS. 2 and 3 below the opening of the container 4, so that the objects fall into the collecting container 25 by the action of gravity.
  • the collecting container 25 here consists of a metal grid which is permeable to the cleaning liquid, so that the small parts are cleaned from all sides.
  • the frame 3 has a rectangular base frame made of struts 27, 30, 31 and 32, which are essentially parallel to the inner wall of the door 2 during use in the cleaning machine 1.
  • a triangular frame which consists of struts 28, 29 and 33, 34, is stretched over the struts 27 and 32.
  • the struts 28 and 34, 29 and 33 and 27 and 32 are parallel and spaced apart.
  • the receptacles 8 and 9 for the container 4 are fastened between the struts 28 and 34.
  • the struts 28, 29, 33, 34 are fastened to the associated floor strut 27 or 32 and each have an angle of approximately 45 ° with respect to the floor strut.
  • the struts 28 and 29 on the one hand and 33 and 34 on the other hand are connected to one another and form an angle of approximately 90 ° at the tip of the triangle they span.
  • the struts can be realized with bent wire parts that are bent so that only joints have to be welded together.
  • the struts 29 and 33 are extended beyond the connection point with the other strut 28 and 34 and form guides 17 and 17 'for the coupling head 10 with this extended part.
  • the coupling head 10 is held by two sliding sleeves 34, 34 'guided on the guides 17 and 17' and one holding strut 36, 36 'each connected thereto, the coupling head 10 being held on the holding struts 36 , 36 'is pivotally mounted and is linearly displaceable along the guides 17 and 17'.
  • the coupling head 10 has a coupling opening 37 for receiving the connecting piece 6 of the cover 5 and the spray nozzle 23 and the connecting piece 26 for connecting the hose line 11.
  • the connecting piece 26, the spray nozzle 23 and the coupling opening 37 are in fluid communication via bores (not shown) in the coupling head, so that cleaning fluid supplied from the hose line 11 reaches both the spray nozzle 23 and the connecting piece 6 and thus the container 4.
  • the receptacles 8 and 9 each have an approximately semicircular recess 38 and 39 for receiving the container.
  • the recesses are guided through a little more than 180 °, and the material of the receptacles 8 and 9 is elastic, so that the container can be clamped in the recesses 38 and 39.
  • an upwardly projecting stop tongue 40 is provided in the base region of the frame, which is angled in a Z-shape and against which the lower end of the container 4 comes to a stop.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
EP96104991A 1995-04-19 1996-03-28 Méthode et dispositif pour nettoyer et désinfecter des récipients medicaux Expired - Lifetime EP0738545B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19514468 1995-04-19
DE19514468A DE19514468C1 (de) 1995-04-19 1995-04-19 Verfahren und Vorrichtung zum Reinigen und Desinfizieren von medizinischen Behältern

Publications (2)

Publication Number Publication Date
EP0738545A1 true EP0738545A1 (fr) 1996-10-23
EP0738545B1 EP0738545B1 (fr) 1999-01-20

Family

ID=7759901

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96104991A Expired - Lifetime EP0738545B1 (fr) 1995-04-19 1996-03-28 Méthode et dispositif pour nettoyer et désinfecter des récipients medicaux

Country Status (3)

Country Link
EP (1) EP0738545B1 (fr)
AT (1) ATE175903T1 (fr)
DE (1) DE19514468C1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0978267A3 (fr) * 1998-08-03 2000-12-06 BHT Hygiene Technik GmbH Procédé et appareil pour nettoyer et désinfecter des récipients
EP1257370A1 (fr) * 2000-01-14 2002-11-20 Dornoch Medical Systems, Inc. Evacuation de dechets liquides et systeme de nettoyage de bouteille par chasse d'eau et procede
EP1401590A1 (fr) * 2001-05-30 2004-03-31 Dornoch Medical Systems, Inc. Systeme et procede d'elimination de dechets liquides et de rin age de receptacles medicaux
EP2425807A1 (fr) * 2010-09-07 2012-03-07 Miele & Cie. KG Apparail de nettoyage pour des bassins de lit
EP2425806A1 (fr) * 2010-09-07 2012-03-07 Miele & Cie. KG Procédé de nettoyage pour des bassins de lit

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19838180C2 (de) * 1998-08-03 2003-07-03 Bht Hygiene Technik Gmbh Verfahren und Vorrichtung zum Reinigen und Desinfizieren von Gefäßen
DE10117581B4 (de) * 2001-04-07 2004-11-11 T.E.M.P. Technische Entwicklungen, Maschinen Und Planungen Gesellschaft Mbh Entleer- und Spülvorrichtung für mit kontaminierter Flüssigkeit gefüllte Gefäße
CN110976390A (zh) * 2019-12-30 2020-04-10 江苏福维健康科技有限公司 一种医疗器械的消毒装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3315868A1 (de) * 1983-04-30 1984-10-31 Kuiper Medische Instrumenten, Zwolle Verfahren und vorrichtung zum reinigen von scheibenfoermigen analysencuvetten
JPS61159130A (ja) * 1984-12-28 1986-07-18 Kawasaki Steel Corp 液体サンプル回収方法および装置
DE3602209A1 (de) * 1986-01-25 1987-07-30 Herbert Malek Verfahren und vorrichtung zum innenreinigen von faessern, insbesondere von keg-faessern fuer bier o. dgl.
EP0294516A1 (fr) * 1987-12-08 1988-12-14 S I C Ag Dispositif pour la vidange et le nettoyage de récipients hygiéniques avec une chambre de rinçage munie d'une partie basse conique avec syphon déodorant, ainsi qu'avec des injecteurs de nettoyage dans la chambre de rinçage et une porte horizontale ou verticale

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3628793A1 (de) * 1986-08-25 1988-03-03 Sic Ag Vorrichtung zur entleerung und reinigung von hygienegefaessen aus einer spuelkammer mit konischem unterteil, mit geruchsabschluss, sowie mit reinigungsduesen in der spuelkammer und mit einer horizontalen oder vertikalen tuer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3315868A1 (de) * 1983-04-30 1984-10-31 Kuiper Medische Instrumenten, Zwolle Verfahren und vorrichtung zum reinigen von scheibenfoermigen analysencuvetten
JPS61159130A (ja) * 1984-12-28 1986-07-18 Kawasaki Steel Corp 液体サンプル回収方法および装置
DE3602209A1 (de) * 1986-01-25 1987-07-30 Herbert Malek Verfahren und vorrichtung zum innenreinigen von faessern, insbesondere von keg-faessern fuer bier o. dgl.
EP0294516A1 (fr) * 1987-12-08 1988-12-14 S I C Ag Dispositif pour la vidange et le nettoyage de récipients hygiéniques avec une chambre de rinçage munie d'une partie basse conique avec syphon déodorant, ainsi qu'avec des injecteurs de nettoyage dans la chambre de rinçage et une porte horizontale ou verticale

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 10, no. 364 (P - 524) 5 December 1986 (1986-12-05) *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0978267A3 (fr) * 1998-08-03 2000-12-06 BHT Hygiene Technik GmbH Procédé et appareil pour nettoyer et désinfecter des récipients
EP1257370A1 (fr) * 2000-01-14 2002-11-20 Dornoch Medical Systems, Inc. Evacuation de dechets liquides et systeme de nettoyage de bouteille par chasse d'eau et procede
EP1257370A4 (fr) * 2000-01-14 2004-12-15 Dornoch Medical Systems Inc Evacuation de dechets liquides et systeme de nettoyage de bouteille par chasse d'eau et procede
EP1401590A1 (fr) * 2001-05-30 2004-03-31 Dornoch Medical Systems, Inc. Systeme et procede d'elimination de dechets liquides et de rin age de receptacles medicaux
EP1401590A4 (fr) * 2001-05-30 2007-12-19 Dornoch Medical Systems Inc Systeme et procede d'elimination de dechets liquides et de rin age de receptacles medicaux
EP2425807A1 (fr) * 2010-09-07 2012-03-07 Miele & Cie. KG Apparail de nettoyage pour des bassins de lit
EP2425806A1 (fr) * 2010-09-07 2012-03-07 Miele & Cie. KG Procédé de nettoyage pour des bassins de lit

Also Published As

Publication number Publication date
EP0738545B1 (fr) 1999-01-20
DE19514468C1 (de) 1996-10-31
ATE175903T1 (de) 1999-02-15

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