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FR2628820A1 - Push-in connector for automatic safe shut=off of medical gases - has one-piece body with ball valve which shuts if connector is dismantled - Google Patents

Push-in connector for automatic safe shut=off of medical gases - has one-piece body with ball valve which shuts if connector is dismantled Download PDF

Info

Publication number
FR2628820A1
FR2628820A1 FR8803496A FR8803496A FR2628820A1 FR 2628820 A1 FR2628820 A1 FR 2628820A1 FR 8803496 A FR8803496 A FR 8803496A FR 8803496 A FR8803496 A FR 8803496A FR 2628820 A1 FR2628820 A1 FR 2628820A1
Authority
FR
France
Prior art keywords
connector
spring
valve
dismantled
cage
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
FR8803496A
Other languages
French (fr)
Other versions
FR2628820B1 (en
Inventor
Gilbert Theurant
Jean Pierre Renard
Bernard Carron
Jose Buil
Claude Chatain
Denis Galland
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.)
Air Liquide SA
Compagnie Francaise de Produits Oxygenes SA
Original Assignee
Air Liquide SA
Compagnie Francaise de Produits Oxygenes SA
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 Air Liquide SA, Compagnie Francaise de Produits Oxygenes SA filed Critical Air Liquide SA
Priority to FR8803496A priority Critical patent/FR2628820B1/en
Publication of FR2628820A1 publication Critical patent/FR2628820A1/en
Application granted granted Critical
Publication of FR2628820B1 publication Critical patent/FR2628820B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L29/00—Joints with fluid cut-off means
    • F16L29/02—Joints with fluid cut-off means with a cut-off device in one of the two pipe ends, the cut-off device being automatically opened when the coupling is applied
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves
    • A61M39/26—Valves closing automatically on disconnecting the line and opening on reconnection thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
    • A61M16/0816—Joints or connectors

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • Biomedical Technology (AREA)
  • Anesthesiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

The connector (1) with inlet (4) and outlet (5) has a one-piece body (2,42). A ball-valve (52,53) is fixed in bore (12) against shoulder (11) of second bore (3) in which slides spring-cage (24) whose outer wall functions as a filter. Inside cage (24) spring (25) pushes extension (50) through hole (51) against ball (53) to keep it off the seat (54). The spring also pushes elastic seal (28) of plug valve (27) against the end (29) of screwed-in guide (22) which is sealed in the body by seal (23). Coupler (41), internally grooved, holds ferrule (40) which fits bore (5) and pushes away valve-end (30) to expose holes (31). ADVANTAGE - Having no joints, is leak-proof when assembled, and may be made specific for a given gas by e.g. the number or shape of grooves at the two end connections. Gas is automatically closed off upstream if the interior is dismantled e.g. for maintenance.

Description

DESCRIPTION
La présente invention concerne un raccord à verrouillage automatique pour fluides médicaux, du genre comportant. un corps à cavité allongée présentant un passage d'entrée à une extrémité et un passage de sortie à l'autre extrémité, dans la cavité un clapet de tête en butée étanche sous l'action d'un ressort sur un siège annulaire à l'extrémité d'un guide-embout, dans lequel est monté à coulissement un tronçon tubulaire solidaire du dit clapet de tête.DESCRIPTION
The present invention relates to an automatic locking connector for medical fluids, of the type comprising. a body with an elongated cavity having an inlet passage at one end and an outlet passage at the other end, in the cavity a head valve in tight abutment under the action of a spring on an annular seat at the end of a tip guide, in which is slidably mounted a tubular section integral with said head valve.

Dans ce genre d'appareillage, pour des commodités de montage et de maintenance le corps à cavite allongée est réalisé en deux pièces creuses solidarisées entre elles selon un plan transversal avec l'intervention de moyens détrompeurs. Cette façon de faire peut présenter des inconvénients graves, en effet, dans ce genre d'application il convient d'éviter de façon catégorique toute erreur dans le prélèvement du gaz et à cet effet les principales pièces du raccord sont réalisées de façon à interdire tout engagement dans un tel raccord d'une fiche de prélèvement non appropriée au gaz souhaité. L'expérience a cependant montré que les opérateurs en maintenance pouvaient par des interventions malheureusement faciles rendrent inopérationnels les moyens détrompeurs à l'endroit de jonction des deux parties du corps du raccord, ce qui pouvait conduire à la fixation d'une partie du raccord propre à un gaz donné sur une autre partie de raccord elle-même propre à un autre gaz donné. In this type of apparatus, for mounting and maintenance convenience, the body with an elongated cavity is produced in two hollow parts joined together in a transverse plane with the intervention of polarizing means. This way of doing things can have serious drawbacks, in fact, in this kind of application it is necessary to categorically avoid any error in the gas sampling and for this purpose the main parts of the fitting are made so as to prohibit all engagement in such a connection of a sampling plug not suitable for the desired gas. However, experience has shown that maintenance operators could, by means of unfortunately easy interventions, make the polarizing means inoperative at the point of junction of the two parts of the body of the fitting, which could lead to the fixing of a part of the clean fitting. to a given gas on another connection part which is itself specific to another given gas.

La présente invention a pour objet d'écarter cet inconvénient et l'invention se caractérise essentiellement en ce que le corps allongé est formé d'une pièce d'un seul tenant. The object of the present invention is to overcome this drawback and the invention is essentially characterized in that the elongated body is formed in one piece in one piece.

Selon une forme particulière de réalisation le guide-embout est monté par engagement d'une collerette d'extrémité dans un évidement terminal côté sortie de la cavité allongée. According to a particular embodiment, the tip guide is mounted by engagement of an end flange in an end recess on the outlet side of the elongated cavity.

Selon une forme encore plus particulière de réalisation le ressort est monté dans une cage à paroi-filtre, elle-meme solidarisée avec le guideSexbout.  According to an even more particular embodiment, the spring is mounted in a filter-wall cage, itself secured to the guideSexbout.

Selon une forme préférée de réalisation la cage de ressort présente une extension axiale vers l'amont au travers d'un clapet de sécurité de démontage, la dite extension assurant normalement l'ouverture du dit clapet de sécurité de démontage. According to a preferred embodiment the spring cage has an axial extension upstream through a disassembly safety valve, said extension normally ensuring the opening of said disassembly safety valve.

Les caractéristiques et avantages de l'invention ressortiront d'ailleurs de la description qui suit, à titre d'exemple, en référence au dessin annexé qui est une coupe axiale d'un raccord selon l'invention.  The characteristics and advantages of the invention will moreover emerge from the description which follows, by way of example, with reference to the appended drawing which is an axial section of a connector according to the invention.

Dans le dessin, un raccord 1 comporte un corps allongé 2 d'un seul tenant présentant une cavité 3 s'étendant depuis un passage d'entrée 4 au voisinage d'une extrémité de la cavité allongée 3 jusqu'à un passage de sortie 5 au voisinage de l'autre extrémité de la dite cavité allongée. In the drawing, a connector 1 comprises an elongated body 2 in one piece having a cavity 3 extending from an inlet passage 4 in the vicinity of one end of the elongated cavity 3 up to an outlet passage 5 in the vicinity of the other end of said elongated cavity.

Cette cavité allongée 3 présente un premier épaulement 11 s ouvrant vers le passage de sortie 5 entre une partie cylindrique 12 et une partie cylindrique 13 de plus grand diamètre, et un second épaulement 15 entre la dite partie cylindrique 13 et une partie cylindrique terminale 16 de plus grand diamètre que la partie cylindrique ;3. This elongated cavity 3 has a first shoulder 11 s opening towards the outlet passage 5 between a cylindrical part 12 and a cylindrical part 13 of larger diameter, and a second shoulder 15 between said cylindrical part 13 and a terminal cylindrical part 16 of larger diameter than the cylindrical part; 3.

La partie cylindrique 16 est taraudée pour recevoir par vissage en 21 un guide-embout 22 qui vient en butée contre l'épaulement 15 et qui coulisse de façon étanche grâce à un joint 23 dans la partie cylindrique 13. The cylindrical part 16 is tapped to receive by screwing in 21 a tip guide 22 which abuts against the shoulder 15 and which slides in leaktight manner thanks to a seal 23 in the cylindrical part 13.

Ce guide-embout 22 porte à son extrémité interne une cage 24 pour un ressort 25 s'appuyant dans un évidement 26 d'un clapet de tête 27 qui vient en butée étanche grâce à un joint 28 contre un siège de clapet 29 présenté par l'extrémité d'un guide-embout. This tip guide 22 carries at its internal end a cage 24 for a spring 25 resting in a recess 26 of a head valve 27 which comes into tight abutment by means of a seal 28 against a valve seat 29 presented by the end of a tip guide.

Le clapet de tête 27 présente une extension en forme de tronçon annulaire 30 avec des perforations radiales 31 coulissant dans une portée cylindrique 32 du guide-embout, le tout de façon que les perforations radiales 31 soient obturées par le guide-embout dans la position dè non prélèvement, alors qu'elles sont dégagées lorsque le clapet de tête est repoussé vers la gauche sur le dessin, ce qui se produit lors d'un engagement d'une fiche de prélèvement représentée en pointillé en 40, fiche qui est solidarisée par engagement de la bague 41 dans le corps extérieur 42 au moyen de crantages. The head valve 27 has an extension in the form of an annular section 30 with radial perforations 31 sliding in a cylindrical surface 32 of the tip guide, the whole so that the radial perforations 31 are closed by the tip guide in the position d non-sampling, when they are released when the head valve is pushed to the left in the drawing, which occurs when engaging a sampling card shown in dotted lines at 40, which card is secured by engagement of the ring 41 in the outer body 42 by means of notches.

Du côté amont, la cage 24 présente une extension 50 au travers d'un passage 51 d'un clapet de sécurité 52 à bille 53, l'extension 50 assurant normalement l'ouverture du clapet de sécurité, sauf lors d'un démontage des pièces internes, ce qui s'effectue exclusivement au travers du passage de sortie 5, et qui assure l'application étanche de la bille 53 sur un siège de clapet 54. On the upstream side, the cage 24 has an extension 50 through a passage 51 of a safety valve 52 with ball 53, the extension 50 normally ensuring the opening of the safety valve, except during disassembly of the internal parts, which is carried out exclusively through the outlet passage 5, and which ensures the sealed application of the ball 53 to a valve seat 54.

Chaque raccard tel qu'il vient d'être décrit est spécifique à
v un gaz donné par une combinaison appropriée du nombre de crans de sécurité ménagés dans la bague 41 ainsi que par les diamètres de passages 5 et de la fiche 40. Each raccard as just described is specific to
v a gas given by an appropriate combination of the number of safety notches formed in the ring 41 as well as by the diameters of passages 5 and of the plug 40.

Claims (4)

REVENTICATIONSREVENTICATIONS 1. Raccord à verrouillage automatique pour fluides medicaux, du genre comportant un raccord à cavité allongée présentant un passage d'entrée à une extrémité et un passage de sortie à l'autre extrémité, dans la cavité un clapet de tête en butée étanche sous l'action d'un ressort sur un siège annulaire à l'extrémité d'un guide-embout, dans lequel est monté à coulissement un tronçon tubulaire solidaire du dit clapet de tête, caractérisé en ce que le corps allongé est formé d'une pece d'un seul tenant. 1. Self-locking connection for medical fluids, of the type comprising an elongated cavity connection having an inlet passage at one end and an outlet passage at the other end, in the cavity a head valve in sealed stop under the action of a spring on an annular seat at the end of a tip guide, in which is slidably mounted a tubular section integral with said head valve, characterized in that the elongated body is formed of a piece in one piece. 2. Raccord selon la revendication 1, caractérisé en ce que le guide-embout est monté par engagement d'une collerette d'extrémité dans un évidement terminal côté sortie de la cavité allongez. 2. Connection according to claim 1, characterized in that the tip guide is mounted by engagement of an end flange in a terminal recess on the outlet side of the elongated cavity. 3. Raccord selon la revendication 1, caractérisé en ce que le ressort est monté dans une cage à paroi-filtre, elle-même solidarisée avec un guide-embout. 3. Connection according to claim 1, characterized in that the spring is mounted in a filter wall cage, itself secured with a tip guide. 4. Raccord selon la revendication 3, caractérisé en ce que la cage de ressort présente une extension axiale vers l'amont au travers d'un clapet de sécurité de démontage, la dite extension assurant normalement l'ouverture du dit clapet de sécurité de démontage.  4. Connection according to claim 3, characterized in that the spring cage has an axial extension upstream through a disassembly safety valve, said extension normally ensuring the opening of said disassembly safety valve .
FR8803496A 1988-03-18 1988-03-18 AUTOMATIC LOCKING FITTING FOR MEDICAL FLUIDS Expired - Lifetime FR2628820B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8803496A FR2628820B1 (en) 1988-03-18 1988-03-18 AUTOMATIC LOCKING FITTING FOR MEDICAL FLUIDS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8803496A FR2628820B1 (en) 1988-03-18 1988-03-18 AUTOMATIC LOCKING FITTING FOR MEDICAL FLUIDS

Publications (2)

Publication Number Publication Date
FR2628820A1 true FR2628820A1 (en) 1989-09-22
FR2628820B1 FR2628820B1 (en) 1990-05-18

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Family Applications (1)

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FR8803496A Expired - Lifetime FR2628820B1 (en) 1988-03-18 1988-03-18 AUTOMATIC LOCKING FITTING FOR MEDICAL FLUIDS

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Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5131429A (en) * 1991-08-15 1992-07-21 Janis Research Company, Inc. Fluid injector assembly
FR2912488A1 (en) * 2007-02-14 2008-08-15 Taema Sa Automatic locking connection for e.g. medical gas, has detent valve arranged in detent body and solicited towards detent seat by spring, where body is mounted at tight sealing in inner fluid passage
CN106079487A (en) * 2016-06-17 2016-11-09 天津盛相电子有限公司 A kind of steam box for processing plastic wheel hub cover and processing technique
FR3086174A1 (en) 2018-09-20 2020-03-27 Air Liquide Medical Systems FLUID DISTRIBUTION SOCKET PROTECTED BY A ROUNDED HOUSING
FR3086175A1 (en) 2018-09-20 2020-03-27 Air Liquide Medical Systems FLUID DISTRIBUTION INTAKE, ESPECIALLY MEDICAL GAS, COMPRISING A CENTRAL MOBILE FAIRING PART
FR3091742A1 (en) 2019-01-14 2020-07-17 Air Liquide Medical Systems Gas distribution outlet with residual leakage maintenance system
FR3091740A1 (en) 2019-01-14 2020-07-17 Air Liquide Medical Systems Medical fluid distribution socket with extractable tip guide
FR3091741A1 (en) 2019-01-14 2020-07-17 Air Liquide Medical Systems Improved medical fluid delivery socket
EP3719377A1 (en) 2019-04-04 2020-10-07 Air Liquide Medical Systems Wall socket for dispensing medical liquid with improved attachment and indexing
FR3106181A1 (en) 2020-01-09 2021-07-16 Air Liquide Medical Systems Medical fluid dispensing socket with extractable tip guide with colored front face
FR3106182A1 (en) 2020-01-10 2021-07-16 Air Liquide Medical Systems Nickel-coated medical fluid outlet
EP3892906A1 (en) 2020-04-10 2021-10-13 Air Liquide Medical Systems Fluid distribution socket with chamber with removable ball-valve for use in hospitals
EP3922339A1 (en) 2020-06-10 2021-12-15 Air Liquide Medical Systems Guiding end tip for a fluid distribution wall socket including a filtering element with controlled porosity
EP3922894A1 (en) 2020-06-10 2021-12-15 Air Liquide Medical Systems Guiding end tip for a fluid distribution wall socket made of two materials
EP3922895A1 (en) 2020-06-10 2021-12-15 Air Liquide Medical Systems Filtering element of a guiding end tip for a fluid distribution wall socket
FR3111405A1 (en) 2020-06-12 2021-12-17 Air Liquide Medical Systems Distribution wall outlet guide with unique identification marking
FR3111821A1 (en) 2020-06-29 2021-12-31 Air Liquide Medical Systems Fluid distribution outlet protected by a rigid case usable in a hospital environment
FR3112187A1 (en) 2020-07-01 2022-01-07 Air Liquide Medical Systems Die-cast medical fluid distribution wall outlet
FR3133018A1 (en) 2022-02-28 2023-09-01 Air Liquide Sante France Device for measuring the pressure of a fluid distribution socket in a hospital environment
FR3144642A1 (en) 2023-01-03 2024-07-05 Air Liquide Medical Systems Fluid distribution socket with fitted cover

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7500293U (en) * 1974-01-10 1975-07-24 L'air Liquide Sa Pour L'etude Et L' Plug-in device for a fluid or vacuum distribution system
DE8112383U1 (en) * 1981-04-25 1981-09-10 Armaturenfabrik und Metallgießerei Koch und Müller GmbH, 4250 Bottrop SHUT-OFF VALVE, ESPECIALLY UNDERCOVER VALVE FOR CONNECTING GAS COOKERS

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7500293U (en) * 1974-01-10 1975-07-24 L'air Liquide Sa Pour L'etude Et L' Plug-in device for a fluid or vacuum distribution system
DE8112383U1 (en) * 1981-04-25 1981-09-10 Armaturenfabrik und Metallgießerei Koch und Müller GmbH, 4250 Bottrop SHUT-OFF VALVE, ESPECIALLY UNDERCOVER VALVE FOR CONNECTING GAS COOKERS

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5131429A (en) * 1991-08-15 1992-07-21 Janis Research Company, Inc. Fluid injector assembly
FR2912488A1 (en) * 2007-02-14 2008-08-15 Taema Sa Automatic locking connection for e.g. medical gas, has detent valve arranged in detent body and solicited towards detent seat by spring, where body is mounted at tight sealing in inner fluid passage
CN106079487A (en) * 2016-06-17 2016-11-09 天津盛相电子有限公司 A kind of steam box for processing plastic wheel hub cover and processing technique
FR3086174A1 (en) 2018-09-20 2020-03-27 Air Liquide Medical Systems FLUID DISTRIBUTION SOCKET PROTECTED BY A ROUNDED HOUSING
FR3086175A1 (en) 2018-09-20 2020-03-27 Air Liquide Medical Systems FLUID DISTRIBUTION INTAKE, ESPECIALLY MEDICAL GAS, COMPRISING A CENTRAL MOBILE FAIRING PART
FR3091742A1 (en) 2019-01-14 2020-07-17 Air Liquide Medical Systems Gas distribution outlet with residual leakage maintenance system
FR3091740A1 (en) 2019-01-14 2020-07-17 Air Liquide Medical Systems Medical fluid distribution socket with extractable tip guide
FR3091741A1 (en) 2019-01-14 2020-07-17 Air Liquide Medical Systems Improved medical fluid delivery socket
EP3719377A1 (en) 2019-04-04 2020-10-07 Air Liquide Medical Systems Wall socket for dispensing medical liquid with improved attachment and indexing
FR3094774A1 (en) 2019-04-04 2020-10-09 Air Liquide Medical Systems Wall outlet for medical fluid distribution
FR3106181A1 (en) 2020-01-09 2021-07-16 Air Liquide Medical Systems Medical fluid dispensing socket with extractable tip guide with colored front face
FR3106182A1 (en) 2020-01-10 2021-07-16 Air Liquide Medical Systems Nickel-coated medical fluid outlet
EP3892906A1 (en) 2020-04-10 2021-10-13 Air Liquide Medical Systems Fluid distribution socket with chamber with removable ball-valve for use in hospitals
FR3109196A1 (en) 2020-04-10 2021-10-15 Air Liquide Medical Systems Extractable ball-valve chamber for fluid distribution outlet
FR3111280A1 (en) 2020-06-10 2021-12-17 Air Liquide Medical Systems Controlled porosity filter element
EP3922894A1 (en) 2020-06-10 2021-12-15 Air Liquide Medical Systems Guiding end tip for a fluid distribution wall socket made of two materials
EP3922895A1 (en) 2020-06-10 2021-12-15 Air Liquide Medical Systems Filtering element of a guiding end tip for a fluid distribution wall socket
FR3111407A1 (en) 2020-06-10 2021-12-17 Air Liquide Medical Systems Two-material fluid distribution wall outlet guide
EP3922339A1 (en) 2020-06-10 2021-12-15 Air Liquide Medical Systems Guiding end tip for a fluid distribution wall socket including a filtering element with controlled porosity
FR3111406A1 (en) 2020-06-10 2021-12-17 Air Liquide Medical Systems Filtration element of a nozzle guide for a fluid distribution wall outlet
FR3111405A1 (en) 2020-06-12 2021-12-17 Air Liquide Medical Systems Distribution wall outlet guide with unique identification marking
FR3111821A1 (en) 2020-06-29 2021-12-31 Air Liquide Medical Systems Fluid distribution outlet protected by a rigid case usable in a hospital environment
EP3932468A2 (en) 2020-06-29 2022-01-05 Air Liquide Medical Systems Fluid distribution socket protected by a rigid box for use in hospital settings
FR3112187A1 (en) 2020-07-01 2022-01-07 Air Liquide Medical Systems Die-cast medical fluid distribution wall outlet
FR3133018A1 (en) 2022-02-28 2023-09-01 Air Liquide Sante France Device for measuring the pressure of a fluid distribution socket in a hospital environment
FR3144642A1 (en) 2023-01-03 2024-07-05 Air Liquide Medical Systems Fluid distribution socket with fitted cover
EP4397356A1 (en) 2023-01-03 2024-07-10 Air Liquide Medical Systems Hospital wall outlet with nested cap for fluid dispensing

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Publication number Publication date
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