CN105782607A - Medical gas connector device - Google Patents

Medical gas connector device Download PDF

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Publication number
CN105782607A
CN105782607A CN201610209617.3A CN201610209617A CN105782607A CN 105782607 A CN105782607 A CN 105782607A CN 201610209617 A CN201610209617 A CN 201610209617A CN 105782607 A CN105782607 A CN 105782607A
Authority
CN
China
Prior art keywords
base
medical gas
air inlet
interface device
steel ball
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.)
Pending
Application number
CN201610209617.3A
Other languages
Chinese (zh)
Inventor
张静
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.)
Bahaosi Medical Equipment (suzhou) Co Ltd
Original Assignee
Bahaosi Medical Equipment (suzhou) Co Ltd
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 Bahaosi Medical Equipment (suzhou) Co Ltd filed Critical Bahaosi Medical Equipment (suzhou) Co Ltd
Priority to CN201610209617.3A priority Critical patent/CN105782607A/en
Publication of CN105782607A publication Critical patent/CN105782607A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L27/00Adjustable joints, Joints allowing movement
    • F16L27/08Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
    • F16L27/0804Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another
    • F16L27/0837Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements being bends
    • F16L27/0845Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements being bends forming an angle of 90 degrees
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L29/00Joints with fluid cut-off means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/22Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts
    • F16L33/227Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts the hose being introduced into or onto the connecting member and automatically locked

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

The invention relates to a medical gas connector device. The medical gas connector device comprises a body connected with a medical device, a base connected with the body, an air inlet part connected with the base and an air outlet part arranged in the body. The air inlet part is movably connected to the base. The air inlet part can rotate by 360 degrees at will relative to the base. According to the medical gas connector device, a locking ring is arranged between a connector of the air inlet part and the base, the air inlet part is connected with the base through the locking ring and can rotate by 360 degrees at will relative to the base, installing is flexible, and using is convenient. The functions that ventilation is unavailable when a secondary connector is not connected, and ventilation is immediately conducted when the secondary connector is installed can be effectively achieved by simplifying and optimizing a mechanical structure, opening and closing can be achieved at any time, and the using safety and real-time performance are ensured. Barbs are arranged on an air inlet pipe of the air inlet part and can prevent the air inlet pipe and a hose of an air supply system from disengaging. A clamping ring is arranged at the joint of the air inlet pipe and the connector and can lock the hose of the air supply system, air leakage is prevented, and the air tightness during air inflow is guaranteed.

Description

A kind of Medical gas interface device
Technical field
The invention belongs to medical gas equipment technology field, particularly to a kind of Medical gas interface device.
Background technology
At present, a lot of region of hospital arranges supply port, is used for providing different gas, such as oxygen, nitrous oxide, carbon dioxide, compression air etc., it is simple to needed for treatment.For different gas, it is both provided with different air supply systems.Anoxia patient such as to need to be connected with oxygen air supply system when carrying out oxygen supply;Need when carrying out narcotic analgesic to patient and nitrous oxide (laughing gas) air supply system connects;During to operation on oral cavity apparatus, orthopedic instrument, respirator even flowing, it is necessary to connect with compression air air supply system.Because there is certain pressure in the gas of air supply system ejection, therefore all need to arrange gas connecting means between supply port and the second interface of equipment of air supply system, the pressure that gas to realize outlet is required up to treatment, be otherwise difficult between supply port and second interface effectively and compact siro spinning technology.The gas interface device commonly used at present, it is provided with and supplies the intake section that port connects and the portion of giving vent to anger being connected with the second interface of armarium, all there is interface to fix, the problem that angle is single, namely the angle between air inlet position and main body is fixed, can not realize rotating at any angle, therefore installing and in use procedure, only in supply port, gas interface device is installed, and use procedure also cannot adjust intake section and the relative direction in portion of giving vent to anger, namely interface cannot be made to adapt to the use needs of reality with multi-angle, use inconvenience and limitation that middle existence is very big, bring certain puzzlement to treatment work.
Relevant technical staff has recognized that this problem, adjustable angle for Medical gas interface device has done relevant improvement, such as this patent of Chinese patent CN202336154U, it is by the improvement to support plate, this Medical gas interface device can be made with the second interface of supply port and equipment to be connected rotatably adjustable angle of assembling during installation, it is achieved rotate the rotation of 45 °.But the only anglec of rotation of 45 °, its adjustable extent is less, and adjustment during only for installing, although recognizes adjustment angle problem, but can not realize adjusting at any angle in use.
Summary of the invention
The technical problem to be solved is to provide a kind of Medical gas interface device, and the base of this device can Arbitrary Rotation relative to main body.
For solving the problems referred to above, the present invention provides a kind of Medical gas interface device, intake section that the base being connected with main body including the main body being connected with armarium is connected with base, the portion of giving vent to anger being located in main body, intake section is movably connected on base, and intake section can carry out 360 ° of any rotations by respect thereto.
Additionally, the present invention also provides for following attached technical scheme:
Described intake section includes the joint being connected with base, is provided with locking ring between described joint and described base, and described joint is provided with the first draw-in groove coordinated with locking ring, and described base is provided with the second draw-in groove coordinated with locking ring.
Described intake section also includes the air inlet pipe being located on joint, the bail wire being located at air inlet pipe and joint, and described air inlet pipe is provided with agnail.
Described Medical gas interface device is additionally provided with the cavity communicated with intake section and the portion of giving vent to anger, and is provided with support member and the fixture coordinated with support member in cavity.
Described cavity is provided with the first spring that the steel ball being connected with support member is connected and the baffle ring coordinated with steel ball with steel ball.
When described device is in off working state, steel ball and baffle ring push against;When described device is in running order, steel ball and baffle ring separately, form the first passage that supplied gas is passed through between steel ball and baffle ring.
The second spring being set on support member and pushing against with fixture it is additionally provided with in described cavity.
The described portion of giving vent to anger is provided with venthole and coordinates with venthole and for the connector being embedded second interface, the first sealing ring of being located in connector and coordinating with support member.
When described device is in off working state, support member and the first sealing ring push against;When described device is in running order, support member and the first sealing ring separately, form the second channel that supplied gas is passed through between support member and the first sealing ring.
Described Medical gas interface device also include being located in main body and and base engagement the second sealing ring, be located in connector and and second interface coordinate the 3rd sealing ring, the 4th sealing ring that is located between connector and main body.
Beneficial effects of the present invention:
The invention provides a kind of Medical gas interface device, improve for prior art, have the advantage that
1. first, being provided with locking ring between the joint and base of intake section, intake section is connected with base by locking ring and can carry out 360 ° of any rotations by respect thereto, flexible for installation, easy to use;
2. secondly, this device optimizes frame for movement by simplifying, adopt the interaction between steel ball, baffle ring, support member, sealing ring, can effectively realize being not connected to stuffiness during second interface, immediately the function ventilated when installing second interface, can realize opening and closing at any time, it is ensured that the safety of use and real-time;
3. again, the air inlet pipe of intake section is provided with agnail, can prevent the flexible pipe of air inlet pipe and air supply system from coming off, be provided with bail wire in air inlet pipe and joint, can the flexible pipe of air supply system be locked, it is prevented that gas leaks, it is ensured that air-tightness during air inlet;
4. last, this device is provided with sealing ring in each several part junction so that device overall sealing performance is good, and safety during use is protected.
Accompanying drawing explanation
Fig. 1 is the three-dimensional installation diagram of Medical gas interface device in the embodiment of the present invention.
Fig. 2 is the front view of Medical gas interface device in the embodiment of the present invention.
Fig. 3 is the sectional view of Medical gas interface device in the embodiment of the present invention.
Fig. 4 is the enlarged drawing of a part in Fig. 3.
Detailed description of the invention:
Embodiment: the invention provides a kind of Medical gas interface device, below with reference to accompanying drawing, this embodiment is described in further detail.
As shown in Figures 1 to 4, present embodiments provide a kind of Medical gas interface device, this device includes the intake section 4 that the base 2 that the main body 1 that the second interface (figure has no) with armarium is connected is connected is connected with base 2, the portion of giving vent to anger 5 being located in main body 2 with main body 1, intake section 4 is movably connected on base 2, and intake section 4 can carry out 360 ° of any rotations by respect thereto 2.Wherein, intake section 4 includes the joint 41 being connected with base 2, and joint 41 end portion embeds in base 2, and base 2 is correspondingly provided with the groove coordinated with joint 41.It is provided with locking ring 3 between joint 41 and base 2, is connected by this locking ring 3, joint 41 and base 2, it is ensured that intake section 4 will not come off from base 2, and joint 41 can be made to make Arbitrary Rotation relative to base 2 on 360 ° of circumference.Joint 41 is provided with the first draw-in groove 411 coordinated with locking ring 3, and base 2 is provided with the second draw-in groove 21 coordinated with locking ring 3.Locking ring 3 part is positioned at the first draw-in groove 411, and part is positioned at the second draw-in groove 21.Wherein the first draw-in groove 411 and the second groove 21 are mutually located under the effect of locking ring 3, and locking ring 3 part is inside the first draw-in groove 411, and a part, in the second draw-in groove 21, makes intake section 4 cannot extract in base 2.During use, the flexible pipe (figure has no) that the intake section 4 in this device and air supply system are located at outside connects, and the second interface of give vent to anger portion 5 and armarium is connected by clamping.
Wherein, intake section 4 is provided with and is partially submerged into the air inlet pipe 42 of joint 41, air inlet pipe 42 is provided with agnail 421, and agnail 421 is possible to prevent the flexible pipe being inserted in air inlet pipe 42 to come off.Intake section 4 also includes the bail wire 43 being located at air inlet pipe 42 and joint 41 junction, and flexible pipe can be locked by bail wire 43, it is prevented that gas leaks.Gas enters this device by air inlet pipe 42.
Base 2 is divided into upper bottom portion 22 and lower bottom part 23, and wherein upper bottom portion 22 is connected with intake section 4, and lower bottom part 23 and main body 1 connect, and between upper bottom portion 22 and lower bottom part 23, inlay card connects, and is provided with inlay card portion, and both are fixed by screw 30 simultaneously.Being provided with the cavity 11 communicated with intake section 4 and portion 5 of giving vent to anger in this device, it is collectively formed by intake section 4, base 2 and main body 1, for the cavity 11 of cylindrical shape.Being provided with support member 12 in cavity 11, the preferred pillar of support member 12 in the present embodiment, pillar 12 is vertically arranged in cavity 11, and two ends and miscellaneous part push against, and coordinated by horizontally disposed fixture 13 and fix in the middle part of it.It is internal that fixture 13 is located at main body 1, and fixture 13 edge and cavity 11 side push against, and middle part is provided with mean for the pore (figure has no) that gas passes through.The same fixture 13 of cavity 11 is divided into cavity top and cavity bottom.Therefore, pillar 12 is located on fixture 13, and upper part is positioned at cavity top, and lower part is positioned at cavity bottom.
Cavity 11 near one end of intake section 4, i.e. cavity top, be provided with the first spring 15 that the steel ball 14 being connected with pillar 12 is connected and the baffle ring 16 coordinated with steel ball 14 with steel ball 14.Wherein steel ball 14 two ends push against with pillar 12 and the first spring 15 respectively, in the present embodiment, in order to fix steel ball 14 better, avoid its landing, first spring 15 is preferably heterotypic spring, the diameter of this first spring 15 is gradually increased from the bottom up, and steel ball 14 is embedded in the first spring 15 lower end and is fixed, and the first spring 15 upper end and cavity 11 push against.Baffle ring 16 is circulus, is located at the side-lower of steel ball 14, with steel ball 14 side-lower for becoming placed against.When steel ball 14 and baffle ring 16 separate, forming first passage 50 between steel ball 14 and baffle ring 16, supplied gas is passed through.Cavity 11 is near giving vent to anger one end, portion 5, i.e. cavity bottom, being provided with the second spring 17 being set on pillar 12, pillar 12 is provided with the first flange 121, second spring 17 one end with push against with fixture 13, first flange 121 of the other end and pillar 12 pushes against, the second spring 17 in the present embodiment is opposite sex spring, and diameter is done greatly by the position that itself and fixed body 13 are adjacent in order to not block passage, make the outer ring being supported on below fixed body 13, for the reset of pillar 12.
Portion 5 of giving vent to anger is provided with the connector 52 that venthole 51 coordinates with venthole 51, and in the present embodiment, connector 52 is circulus, and outer surface and main body 1 become placed against, and inner surface is provided with bayonet socket 521, for the second interface (figure has no) of clamping armarium.Connector 52 coordinates with pillar 12, passing through for gas.The first sealing ring 53 coordinated with pillar 12 it is provided with in connector 52, for guaranteeing the air-tightness between connector 52 and pillar 12 when off working state, when pillar 12 and the first sealing ring 53 separate, forming second channel 60 between pillar 12 and the first sealing ring 53, supplied gas is passed through.
Whole Medical gas interface device air-tightness is splendid, except the first above-mentioned sealing ring 53, also include being located in base 2 and and joint 41 coordinate the second sealing ring 6, be located in connector 52 and and second interface the 3rd sealing ring 7, the 4th sealing ring 8 being located between connector 52 and main body 1 that coordinate and be located at upper bottom portion 22 and the 5th sealing ring 9 of lower bottom part 23 junction.Therefore, the sealing property of this device is fabulous, and whether duty or off working state all will not produce gas leakage, even if life-time service, its safety also can be protected.
This device is contained on air supply system, but is off working state when not being connected with armarium.When this Medical gas interface device is in off working state, steel ball 14 and baffle ring 16 push against;Pillar 12 and the first sealing ring 53 push against.Particularly as follows: the Hose Jacket of air supply system is located in the barbed air inlet pipe 42 of band, and by bail wire 43 clamping, prevent gas from leaking, gas enters base 2 by joint 41, entering back in the cavity 11 of main body 1, cavity 11 is in relatively atmospheric pressure environment, makes steel ball 14 abut against on baffle ring 16 under the influence of air pressure, closing first passage 50, gas can not enter cavity bottom.Meanwhile, pillar 12 is produced pressure by steel ball 14, and 12 times pressures of pillar also keep, to the pushing against of the first sealing ring 53 on connector 52, closing second channel 60 so that gas cannot exit into venthole 51 from cavity 11.
Being contained on air supply system by this Medical gas interface device, and be duty when being connected with armarium, now second interface inserts in bayonet socket 521.When this device is in running order, steel ball 14 and baffle ring 16 separately, form the first passage 50 that supplied gas is passed through between steel ball 14 and baffle ring 16.Pillar 12 and the first sealing ring 53 separately, form the second channel 60 that supplied gas is passed through between pillar 12 and connector 52.Particularly as follows: second interface to be inserted bayonet socket 521, it is connected with this device, the power that the insertion of second interface can shift up to 12 1 generations of pillar, and then passes to steel ball 14, make steel ball 14 produce displacement upwards, between steel ball 14 and baffle ring 16, form the first passage 50 that supplied gas is passed through.First spring 15 is produced compression by steel ball 14 stress, first spring 15 produces deformation, step down to the displacement of steel ball 14, limit again the position of steel ball 14 simultaneously, pillar 12 releases the compressing to the first sealing ring 53 after moving, gas passes through second channel 60, flows to the armarium that need to supply again through venthole 51.After taking out second interface, the power on pillar 12 that is applied to disappears, and then pillar 12 is to the no longer strong effect of steel ball 14, steel ball 14 is resetted by the effect of air pressure and the first spring 15, close first passage 50, pillar 12 is subject to the elastic reset of the second spring 17 simultaneously, again pushes against with the first sealing ring 53, closes second channel 60.
The above is the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.

Claims (10)

1. a Medical gas interface device, intake section that the base being connected with main body including the main body being connected with armarium is connected with base, the portion of giving vent to anger being located in main body, it is characterized in that: intake section is movably connected on base, intake section can carry out 360 ° of any rotations by respect thereto.
2. Medical gas interface device according to claim 1, it is characterized in that: described intake section includes the joint being connected with base, it is provided with locking ring between described joint and described base, described joint is provided with the first draw-in groove coordinated with locking ring, and described base is provided with the second draw-in groove coordinated with locking ring.
3. Medical gas interface device according to claim 1, it is characterised in that: described intake section also includes the air inlet pipe being located on joint, the bail wire being located at air inlet pipe and joint, and described air inlet pipe is provided with agnail.
4. Medical gas interface device according to claim 1, it is characterised in that it is provided with the cavity communicated with intake section and the portion of giving vent to anger, is provided with support member and the fixture coordinated with support member in cavity.
5. Medical gas interface device according to claim 4, it is characterised in that: described cavity is provided with the first spring that the steel ball being connected with support member is connected and the baffle ring coordinated with steel ball with steel ball.
6. Medical gas interface device according to claim 5, it is characterised in that: when described device is in off working state, steel ball and baffle ring push against;When described device is in running order, steel ball and baffle ring separately, form the first passage that supplied gas is passed through between steel ball and baffle ring.
7. Medical gas interface device according to claim 4, it is characterised in that: it is additionally provided with the second spring being set on support member and pushing against with fixture in described cavity.
8. Medical gas interface device according to claim 1, it is characterised in that: described in the portion of giving vent to anger be provided with venthole and coordinate with venthole and for the connector being embedded second interface, the first sealing ring of being located in connector and coordinating with support member.
9. Medical gas interface device according to claim 8, it is characterised in that: when described device is in off working state, support member and the first sealing ring push against;When described device is in running order, support member and the first sealing ring separately, form the second channel that supplied gas is passed through between support member and the first sealing ring.
10. Medical gas interface device according to claim 8, it is characterised in that its also include being located in main body and and base engagement the second sealing ring, be located in connector and and second interface coordinate the 3rd sealing ring, the 4th sealing ring that is located between connector and main body.
CN201610209617.3A 2016-04-06 2016-04-06 Medical gas connector device Pending CN105782607A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610209617.3A CN105782607A (en) 2016-04-06 2016-04-06 Medical gas connector device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610209617.3A CN105782607A (en) 2016-04-06 2016-04-06 Medical gas connector device

Publications (1)

Publication Number Publication Date
CN105782607A true CN105782607A (en) 2016-07-20

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Family Applications (1)

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CN201610209617.3A Pending CN105782607A (en) 2016-04-06 2016-04-06 Medical gas connector device

Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111604675A (en) * 2019-02-26 2020-09-01 株式会社岛津制作所 Device for replacing adsorption tube
EP3643956B1 (en) * 2018-10-26 2022-02-23 Pres-Block S.P.A. Medical gas ditribution apparatus

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87210695U (en) * 1987-11-02 1988-11-16 辽河石油勘探局曙光采油厂 Pressurized type deep-well pump
CN2687469Y (en) * 2004-02-17 2005-03-23 李竞胜 Gas outlet seat
CN102600550A (en) * 2012-03-05 2012-07-25 浙江太丰伟业仪器科技有限公司 Vacuum aspiration air source terminal
CN203115221U (en) * 2012-12-19 2013-08-07 浙江盾安阀门有限公司 Gas valve convenient for pressure measurement
CN203790440U (en) * 2014-04-17 2014-08-27 宁波健芝康医疗设备有限公司 Medical gas terminal
CN204299841U (en) * 2014-11-10 2015-04-29 中国石油化工股份有限公司 A kind of thin oil horizontal well oil pump
CN204647450U (en) * 2015-05-22 2015-09-16 瑞安市科达汽车配件有限公司 Motor-drive pump filter core heating assembly check valve assembly
CN204851626U (en) * 2015-07-07 2015-12-09 中国石化江汉油田分公司江汉采油厂 Sand well leak protection standing valve assembly
CN204986147U (en) * 2015-07-31 2016-01-20 湖南太阳龙医疗科技有限公司 Medical gas terminal of improvement structure
CN205504283U (en) * 2016-04-06 2016-08-24 巴豪斯医疗器械(苏州)有限公司 Medical gas interface device

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87210695U (en) * 1987-11-02 1988-11-16 辽河石油勘探局曙光采油厂 Pressurized type deep-well pump
CN2687469Y (en) * 2004-02-17 2005-03-23 李竞胜 Gas outlet seat
CN102600550A (en) * 2012-03-05 2012-07-25 浙江太丰伟业仪器科技有限公司 Vacuum aspiration air source terminal
CN203115221U (en) * 2012-12-19 2013-08-07 浙江盾安阀门有限公司 Gas valve convenient for pressure measurement
CN203790440U (en) * 2014-04-17 2014-08-27 宁波健芝康医疗设备有限公司 Medical gas terminal
CN204299841U (en) * 2014-11-10 2015-04-29 中国石油化工股份有限公司 A kind of thin oil horizontal well oil pump
CN204647450U (en) * 2015-05-22 2015-09-16 瑞安市科达汽车配件有限公司 Motor-drive pump filter core heating assembly check valve assembly
CN204851626U (en) * 2015-07-07 2015-12-09 中国石化江汉油田分公司江汉采油厂 Sand well leak protection standing valve assembly
CN204986147U (en) * 2015-07-31 2016-01-20 湖南太阳龙医疗科技有限公司 Medical gas terminal of improvement structure
CN205504283U (en) * 2016-04-06 2016-08-24 巴豪斯医疗器械(苏州)有限公司 Medical gas interface device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3643956B1 (en) * 2018-10-26 2022-02-23 Pres-Block S.P.A. Medical gas ditribution apparatus
CN111604675A (en) * 2019-02-26 2020-09-01 株式会社岛津制作所 Device for replacing adsorption tube

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Application publication date: 20160720

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