EP2942575A1 - Dispositif de passage de distributeur d'air - Google Patents

Dispositif de passage de distributeur d'air Download PDF

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Publication number
EP2942575A1
EP2942575A1 EP15162504.3A EP15162504A EP2942575A1 EP 2942575 A1 EP2942575 A1 EP 2942575A1 EP 15162504 A EP15162504 A EP 15162504A EP 2942575 A1 EP2942575 A1 EP 2942575A1
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EP
European Patent Office
Prior art keywords
laminarizer
downstream
turbulence
housing
flow
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
EP15162504.3A
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German (de)
English (en)
Other versions
EP2942575B1 (fr
Inventor
Steffen Bepler
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Innovations Transfer Uphoff GmbH and Co KG
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Innovations Transfer Uphoff GmbH and Co KG
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Publication of EP2942575A1 publication Critical patent/EP2942575A1/fr
Application granted granted Critical
Publication of EP2942575B1 publication Critical patent/EP2942575B1/fr
Not-in-force legal-status Critical Current
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    • 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
    • A61G13/108—Means providing sterile air at a surgical operation table or area
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F13/078—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser combined with lighting fixtures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • F24F3/163—Clean air work stations, i.e. selected areas within a space which filtered air is passed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/082—Grilles, registers or guards
    • F24F2013/088—Air-flow straightener
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/14—Details or features not otherwise provided for mounted on the ceiling

Definitions

  • the invention relates to a laminarizer passage device according to the preamble of claim 1.
  • Such a device is from the DE 100 58 721 C2 known.
  • an operation lamp is shown on a Deckenarmsystem having a light source in a lamp housing and a gas conveyor with a running through the Deckenarmsystem flow channel, which opens into the lamp housing, wherein an air outlet is arranged on the underside of the lamp housing.
  • the WO 2012/013749 A2 describes an operating light, which is completed by a hemispherical transparent cover in the light exit direction and in a room ceiling has an air flow generating device which flows around the lamp and should produce a laminar as possible flow.
  • the WO 2013/064490 A1 shows a surgical lamp with a lamp housing, which is surrounded by air and in the flow direction behind the lamp housing on the outside has a plurality of trough-like depressions.
  • the US 5443625 A shows an air filter device for a room which is mounted in the ceiling of the room, having one or more fans and a filter network.
  • a filter housing is designed so that room air is sucked in and transported away through the filter to the outside.
  • laminarizers are used, for example, from the EP 2522924 A2 or the DE 10 2008 019698 B3 are known.
  • the lighting is usually realized by ceiling lamps, which are arranged laterally next to the laminarizers and by surgical lights, which are suspended by a gimbal and can be positioned and swiveled according to the lighting requirement.
  • Work equipment such as suction devices, flushing devices, RF power supply, etc. are now usually supplied to the side of the work area, which disturbs the work area, makes it confusing and also disturbs the desired low-turbulence air flow. In some cases, these tools are also supplied with a Kardanik.
  • Lighting alone through ceiling lamps is in practice insufficient in terms of light intensity in the work area.
  • Operating theater lights with gimbals have the disadvantage that the laminar air flow is disturbed and turbulences occur. These turbulences can cause or promote the transport of particles as well as microorganisms from the operator (face, clothing, etc.) into the protected area as well as from the working area into the respiratory area of the surgeon.
  • LAF laminar
  • TAV low-turbulence displacement flow
  • LAF or TAV systems are used wherever aerogenically transmitted particulate or gaseous contaminations of products and work surfaces, such as e.g. in industrial operating rooms, must be kept away from the product (product protection) or the working personnel (personnel protection).
  • Laminarizers are known in the art, have been optimized in many variants in recent decades (EP 0355 517 B1 ) and achieve a reduction in the degree of turbulence, so that exchanged from the overflowed surfaces less energy with the flowing air or fewer particles are removed or dumped.
  • Typical applications for this technology are, for example, microelectronics for the production of computer chips, the optical industry, production and filling areas in the pharmaceutical industry, food technology and the operating rooms in medicine.
  • Especially operating rooms are to fulfill their task as "clean rooms” according to DIN 1946 Part 4, as a generally accepted rule of technology, in those of the class 1a (low-turbulence displacement flow) with the highest air quality cleanliness and the space class 1b (turbulent air flow) with lower air quality cleanliness distinguished.
  • the room class 1a usually has the installation of several (HEPA) supply air filters under the operating room ceiling. Using these filters and the subsequent laminarizer, the supply air, which is colder than the air in the room, is guided to the protection and working area vertically below the operating area and instrument tables.
  • the supply air ceiling outlet is located in the middle area of the operating room and occupies an area of 3.2 x 3.2 square meters. This allows a ventilation-related defined protection area of 3 x 3 square meters to be displayed in the operating room.
  • laminarisers also tissue distributors, CG distributors [CibaGeygi: first-time application]
  • These laminarizers produce a flow with low degrees of turbulence and thus a desired, rectified, low-turbulence or laminar air flow.
  • laminar flows degree of turbulence: ⁇ 5%
  • Flow obstacles located downstream below the level of the laminariser usually increase the degree of turbulence or have a negative effect on the quality of the air flow in the working area to be protected.
  • Flow obstacles located downstream below the level of the laminariser usually increase the degree of turbulence or have a negative effect on the quality of the air flow in the working area to be protected.
  • surgical lights whose tripod tubes must be routed through the plane of the laminarizers, it is known that both the tripod bushing and the lamp increase the degree of turbulence locally.
  • Further examples of such flow disturbances in the operating room in the area between laminarizer and protective area are ceiling supply units (medical Gases, electricity) and screens for process monitoring.
  • clean rooms are characterized by special lighting systems in addition to these air duct systems as well as task-specific (processing) equipment.
  • So z. B. installed in clean rooms for medical operations and invasive procedures on humans and animals specially combined lighting systems.
  • DIN EN 12464-1 a distinction is made between the "visual task area” with the highest requirements for the luminance of the immediate “surrounding area” (about 0.5 m around the visual field of the visual task) and the “background” (about 3 m around the visual task).
  • the "ambient area” must be supplied with luminance values of 1, 5-2 kLx and the "background area” with 1.0 kLx (DIN EN 12464-1).
  • the illumination of the "surrounding area” by means of one or more juxtaposed rows of Neo-room lights (2-3 rows), which are installed circumferentially around the Zu Kunststoff-Deckenauslass on the operating room ceiling.
  • these enable the surgical team to have a sufficient overview of the instruments and devices used (eg for instrumentation and anesthesia).
  • the illumination in the "ambient” and “background” areas prevents the surgical team from being subjected to adaptation disorders due to excessively high luminance differences from the visual task area. This ensures physiologically acceptable contrasts and fulfills the protection requirement according to the valid accident prevention regulations (GUV-I-8681).
  • multi-row neon lights are mounted on the side of the ventilation ceiling outlet on the operating room ceiling.
  • the disadvantage of this lateral arrangement is that these lights in the direction of OP floor are directed and the protection area, which is to be illuminated with a luminance of 1-2 kLx, due to the diagonal is a large distance.
  • Object of the present invention is therefore to provide a device with the tools can be introduced in turbulence-poor flow in a workspace.
  • the basic idea of the invention is to integrate a media panel into the laminarizer so as to provide a low-turbulence flow after a short downstream distance to the media panel.
  • the media panel is used as a passage element in an opening of the laminarizer, such that it passes through the laminarizer, wherein its downstream end is rounded so that there forms a low-turbulence flow.
  • the rounding is preferably hemispherical or in the form of a paraboloid of revolution.
  • the media panel preferably has connections for electric current and / or suction devices and / or fluid supply devices.
  • the air flows conveyed by the fan 6 pass through the laminarizer 8 and flow around the housings 9.
  • Turbulence normally forms in the flow direction below the housings 9. Due to a tear-off edge 12 on the housings 9, the region of turbulence has an approximately hemispherical shape with a length which corresponds approximately to the width 14 of the housing 9 and is not greater than about 1.2 times the largest diameter of the housing. After this range, the flow is again, according to the requirements of the respective clean room quality, laminar or low turbulence.
  • the light sources 10 whose illuminants are preferably glass fibers or LEDs.
  • Fig. 1 Another advantage of the invention is in Fig. 1 shown.
  • the level of laminarizer 8 can be up from the current 2.7-3 m Be lowered ⁇ 2.5 m.
  • the luminance is substantially increased there, since the luminance is known to decrease with the square of the distance between the light source and the irradiated object.
  • a connection 19 for a light-conducting cable 21 can be provided on the media panel 17 with which the special lighting required for the visual task can be brought into any proximity to the working plane 15, for example via a so-called "gooseneck".
  • a very bright illumination can be brought directly to the point to be illuminated (visual task).
  • the diameter of the housing was 12 cm.
  • the distance b between two adjacent housings 9 was 5 cm and the distance c of the housing 9 to the edge of the laminarizer 8 was 10 cm. With these dimensions was below the housing 9 after a distance which is at most 1.2 times the diameter a of the housing 9, a visualization of the flow is documented and a degree of turbulence of ⁇ 5% is always measured in the working plane.
  • Fig. 2 It can also be seen that additional luminaires 22, which provide sufficient background illumination of the clean room 1, can be arranged on the ceiling 3 laterally next to the work surface 15.
  • additional luminaires 22 which provide sufficient background illumination of the clean room 1
  • conventional neon lamps can be used.
  • the height of the laminarizer 8 above the bottom 2 was 2.7 m.
  • the height of the (height-adjustable operating table) working level 15 is usually between 80 cm and 1.40 m.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Ventilation (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP15162504.3A 2014-04-07 2015-04-02 Dispositif de passage de distributeur d'air Not-in-force EP2942575B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201410004922 DE102014004922B3 (de) 2014-04-07 2014-04-07 Laminarisatorpassagevorrichtung

Publications (2)

Publication Number Publication Date
EP2942575A1 true EP2942575A1 (fr) 2015-11-11
EP2942575B1 EP2942575B1 (fr) 2016-10-26

Family

ID=52478810

Family Applications (1)

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EP15162504.3A Not-in-force EP2942575B1 (fr) 2014-04-07 2015-04-02 Dispositif de passage de distributeur d'air

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EP (1) EP2942575B1 (fr)
DE (1) DE102014004922B3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11389361B2 (en) * 2016-11-08 2022-07-19 Optimus Licensing Ag Integrated operating room lighting and patient warming system—design and components

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2229683A1 (de) * 1972-06-19 1974-02-07 Original Hanau Quarzlampen Operationsfeldleuchte
EP0355517B1 (fr) 1988-08-17 1992-04-15 Heinrich Nickel Gmbh Dispositif pour provoquer un écoulement laminaire
US5443625A (en) 1994-01-18 1995-08-22 Schaffhausen; John M. Air filtering fixture
DE10058721C2 (de) 2000-11-25 2002-11-28 Draeger Medical Ag Operationsleuchte an einem Deckenarmsystem
US20090288555A1 (en) 2006-02-28 2009-11-26 Airsonett Ab Method and device for providing a zone of clean air at an operation area and use of said device
DE102008019698B3 (de) 2008-04-18 2009-12-17 Innovations-Transfer Uphoff Gmbh &.Co.Kg Sterilkabine
WO2012013749A2 (fr) 2010-07-28 2012-02-02 Corporació Sanitària Parc Taulí Scialytique
DE102010054823A1 (de) * 2010-12-16 2012-06-21 TÜV Rheinland Industrie Service GmbH Verbesserte Luftführung bei einer TAV-Decke mit OP-Leuchte
EP2505903A2 (fr) * 2011-03-30 2012-10-03 Karl Storz GmbH & Co. KG Dispositif de support pour une salle d'opération
EP2522924A2 (fr) 2011-05-11 2012-11-14 YIT Germany GmbH Plafond pour admission d'air
WO2013064490A1 (fr) 2011-11-03 2013-05-10 Trilux Medical Gmbh & Co. Kg Lampe, en particulier scialytique

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2229683A1 (de) * 1972-06-19 1974-02-07 Original Hanau Quarzlampen Operationsfeldleuchte
EP0355517B1 (fr) 1988-08-17 1992-04-15 Heinrich Nickel Gmbh Dispositif pour provoquer un écoulement laminaire
US5443625A (en) 1994-01-18 1995-08-22 Schaffhausen; John M. Air filtering fixture
DE10058721C2 (de) 2000-11-25 2002-11-28 Draeger Medical Ag Operationsleuchte an einem Deckenarmsystem
US20090288555A1 (en) 2006-02-28 2009-11-26 Airsonett Ab Method and device for providing a zone of clean air at an operation area and use of said device
DE102008019698B3 (de) 2008-04-18 2009-12-17 Innovations-Transfer Uphoff Gmbh &.Co.Kg Sterilkabine
WO2012013749A2 (fr) 2010-07-28 2012-02-02 Corporació Sanitària Parc Taulí Scialytique
DE102010054823A1 (de) * 2010-12-16 2012-06-21 TÜV Rheinland Industrie Service GmbH Verbesserte Luftführung bei einer TAV-Decke mit OP-Leuchte
EP2505903A2 (fr) * 2011-03-30 2012-10-03 Karl Storz GmbH & Co. KG Dispositif de support pour une salle d'opération
EP2522924A2 (fr) 2011-05-11 2012-11-14 YIT Germany GmbH Plafond pour admission d'air
WO2013064490A1 (fr) 2011-11-03 2013-05-10 Trilux Medical Gmbh & Co. Kg Lampe, en particulier scialytique

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
"DIN 1946 Teil 4, Raumlufttechnische Anlagen in Krankenhäusern", 2008, BEUTH VERLAG
"DIN EN 13182, Lüftung von Gebäuden, Gerätetechnische Anforderungen für Messungen der Luftgeschwindigkeit in belüfteten Räumen", December 2002, BEUTH VERLAG
"DIN EN 13779, Lüftung von Nichtwohngebäuden", 2007, BEUTH VERLAG GMBH
"Messtechnik in der Reinraumluft und Blatt 5", 1996, BEUTH VERLAG, article "Thermische Behaglichkeit, Bau, Betrieb und Instandhaltung"
"VDI 2083 Reinraumtechnik, Blatt 2", 2005

Also Published As

Publication number Publication date
EP2942575B1 (fr) 2016-10-26
DE102014004922B3 (de) 2015-03-12

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