CN208049155U - A kind of disposable anesthesia respiration pipeline - Google Patents

A kind of disposable anesthesia respiration pipeline Download PDF

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Publication number
CN208049155U
CN208049155U CN201721921558.9U CN201721921558U CN208049155U CN 208049155 U CN208049155 U CN 208049155U CN 201721921558 U CN201721921558 U CN 201721921558U CN 208049155 U CN208049155 U CN 208049155U
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Prior art keywords
gas chamber
tracheae
conduction mechanism
connection
gas
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CN201721921558.9U
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Chinese (zh)
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王发选
陈志成
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Xiamen Renren Medical Science And Technology Co Ltd
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Xiamen Renren Medical Science And Technology Co Ltd
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Abstract

The utility model discloses a kind of disposable anesthesia respiration pipelines, its key points of the technical solution are that:Including Y types respiratory siphon, the transit joint of L-shaped setting, tracheal catheter and two screwed hoses, Y type respiratory siphons include the upper end tracheae being fixedly connected with transit joint one end and two lower end tracheaes for being arranged in forked and being fixedly connected with two screwed hoses, the transit joint other end is fixedly connected with tracheal catheter, Y type respiratory siphons further include the gas chamber for being connected to upper end tracheae and two lower end tracheaes, it is provided on a wherein lower end tracheae and is provided with and communicated with bidirectional conduction mechanism with gas chamber, one-way conduction mechanism is provided on another lower end tracheae;Passing through the cooperation of one-way conduction mechanism and bidirectional conduction mechanism so that when patient's air-breathing, the anesthetic for oxygen and the Anesthesia machine generation that lung ventilator generates can be inhaled by a patient, and when patient's expiration, the gas of patient's discharge is merely able to be discharged from bidirectional conduction mechanism.

Description

A kind of disposable anesthesia respiration pipeline
Technical field
The utility model is related to the field of medical instrument technology, more specifically, it relates to a kind of disposable anesthesia respiration pipe Road.
Background technology
Anesthesia machine is the critical medical devices for carrying out inhalation anesthesia and respiratory nursing, and anesthesia respiration pipeline is Anesthesia machine The pipe-line system of direct managing patient breathing gas and artificial ventilation, breathing circuit for anesthesia structure is at present in anesthesia management, postoperative It has been widely used in monitoring and critically ill patient and the therapeutic process of respiratory failure, breathing pipeline structure is influencing breathing just True property influences to use currently, there are certain deficiency, to be mainly manifested in pipeline yielding for the anesthesia respiration pipeline that uses of hospital, And the connection between pipeline is insecure, easy to fall off.
The Chinese patent of Publication No. CN204219555U discloses a kind of disposable anesthesia respiration pipeline, including Y The two-port of type respiratory siphon, transit joint and screwed hose, the transit joint is separately connected Y types respiratory siphon and anesthesia face Cover, the interface that end interface and transit joint are connected with anaesthetic mask on the Y types respiratory siphon are double-layer structure, between ectonexine Equipped with several support bars, the support bar is arranged along interface circumferencial direction interval and length is more than the one third of interface length, Y Type breathes interface tube lower end and is equipped with a connection gas chamber, and the connection of gas chamber both sides is separately connected screwed hose there are two gas port.
It by using double-layer structure and is provided with support bar and makes the connection of breathing pipeline more secured, in Y type respiratory siphons Interface lower end is provided with connection gas chamber, increases the intensity of breathing pipeline, it is made to be unlikely to deform;But according to intrinsic theory Bright book and Figure of description it is found that each branch pipe of Y shape respiratory siphon be connection setting, be connected to Y shape respiratory siphon be arranged The gas of Anesthesia machine, lung ventilator and patient's exhalation can all mix in Y type respiratory siphons, lack gas guide function, lead Causing the anesthetic that Anesthesia machine generates may shed from the screwed hose of connection lung ventilator, and the oxygen that lung ventilator generates may also enter It connects in the screwed hose of Anesthesia machine and oxygen is caused to provide deficiency, general hospital just will increase fiber crops to solve problems The output power of liquor-saturated machine and lung ventilator simultaneously increases nurse's nurse to ensure the life security of patient.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of disposable anesthesia respiration pipes Road has the effect of that the gas partitions that anesthetic is breathed out with patient can come so that the anesthetic of patient's incoming call is certain Belong in degree predictable.
To achieve the above object, the utility model provides following technical solution:
A kind of disposable anesthesia respiration pipeline, including Y types respiratory siphon, the transit joint of L-shaped setting, tracheal catheter and Two screwed hoses, the Y types respiratory siphon includes the upper end tracheae being fixedly connected with transit joint one end and two are in bifurcated The lower end tracheae that shape is arranged and is fixedly connected with two screwed hoses, the transit joint other end is fixed with tracheal catheter to be connected It connects, the Y types respiratory siphon further includes the gas chamber for being connected to upper end tracheae and two lower end tracheaes, wherein on a lower end tracheae Be provided be connected to gas chamber setting for realizing exhaled gas discharge and oxygen input bidirectional conduction mechanism, it is another it is described under It is provided on the tracheae of end and is connected to the one-way conduction mechanism that setting unidirectionally imports for realizing anesthetic with gas chamber.
So set, by that can realize one-way conduction mechanism and can realize respirator body that anesthetic unidirectionally pours into The bidirectional conduction mechanism cooperation of discharge and oxygen input so that when the patient inhales, the anesthetic and breathing that Anesthesia machine generates The oxygen that machine generates can be entered to conduction mechanism in Y type respiratory siphons by one-way conduction Agency respectively, and finally sick People sucks, at this point, the anesthetic that Anesthesia machine generates will not shed from the screwed hose of connection lung ventilator, and the oxygen that lung ventilator generates Gas will not be spilt into the screwed hose of connection Anesthesia machine;As the patient exhales, the gas of patient's exhalation is merely able to pass through company The screwed hose for connecing lung ventilator sheds, and does not have the anesthetic mixing of Anesthesia machine generation so that the Anesthesia machine that Anesthesia machine generates is defeated The anesthetic gone out will not be diluted, so as to be maintained at preferable range in.
Further setting:The one-way conduction mechanism and bidirectional conduction mechanism include being set to lower end tracheae upper end use In the connection sheet of connection lower end tracheae and gas chamber, two connection sheets are both provided with the first caulking groove on the side of gas chamber, and two It is both provided with the first through hole in first caulking groove, is rotatably connected in two first caulking grooves and is embedded in two respectively The first sealing plate in one caulking groove is additionally provided with multiple rings on side of the connection sheet far from gas chamber of the bidirectional conduction mechanism Second caulking groove of one caulking groove setting, is provided with the second through hole in second caulking groove, is fixedly connected in second caulking groove Spring, the one end of the spring far from gas chamber are fixedly connected with the second sealing plate with the second caulking groove sealed set.
So set, when the patient inhales, Y types breathing intraductal atmospheric pressure changes, at this point, two lower end tracheaes are because even Oxygen or Anesthesia machine are filled in logical screwed hose, air pressure can be relatively large, because patient sucks gas, air pressure in gas chamber Can be relatively small, there are certain draught heads for both ends air pressure so that and the first sealing plate can on one side be overturn to air pressure is lower, So that the state that lower end tracheae and upper end tracheae are on, at this point, oxygen and anesthetic can be inhaled into air inlet chamber and by patient Enter;As the patient breathes, the gas of patient's exhalation can be full of in gas chamber so that the indoor air pressure of gas is more than two lower end tracheal strips Air pressure because the first sealing plate can be limited by the first caulking groove cause patient breathe out gas can not be out of first through hole Two lower end tracheal strips are scattered to, to realize the one-way conduction effect of one-way conduction mechanism;But the gas of patient's exhalation can It is shed out of gas chamber by the second through hole, when the patient inhales, the second sealing plate can be limited by air pressure and spring will Second through hole is closed, to the bidirectional conduction effect of bidirectional conduction mechanism.
Further setting:Two first caulking groove upper ends are both provided with rotation slot, are symmetrical arranged in two rotation slots Two rotation axis for being respectively arranged at two rotation slot both sides, two first sealing plate upper ends are provided with interconnecting piece, the company The third through hole for two rotation axis grafting is provided in socket part.
So set, when the patient inhales, the first sealing plate both sides will produce larger draught head so that the first sealing plate It can rotate by the center of circle of rotation axis, so that the first sealing plate can release the closed work to the first through hole.
Further setting:The connection sheet includes left connector and right connector, the left connector and right connection Part is provided with multiple first jacks, the right company using the centre position of rotation slot as separator bar on the section of the left connector Multiple the first inserted links being plugged in respectively in each first jack are provided on the section of fitting.
So set, the rotation axis being set on right connector and the rotation axis being set on left connector are inserted respectively Enter the both ends for the third through hole being set on interconnecting piece, is then plugged in and is set using the first inserted link being set on right connector It is placed in the assembling that connection sheet and the first sealing plate are realized the first jack on left connector Nei, it is simple in structure.
Further setting:One end that the two lower end tracheaes are connected to setting with gas chamber is both provided with multiple second jacks, and two More the second inserted links being plugged in respectively in each second jack are provided on the marginal position of the connection sheet.
It is inserted so set, being inserted directly into second be set on the tracheae of lower end using the second inserted link being set in connection sheet Realize the Fast Installation of one-way conduction mechanism and the second one-way conduction mechanism in hole.
Further setting:Two connection sheets are both provided with gasket, the gasket in the one side of lower end tracheae On be provided with multiple third jacks for the second inserted link grafting.
So set, the gap between connection sheet and lower end tracheae can be filled up using gasket, it is ensured that connection sheet is under Hold the leakproofness of tracheae.
Further setting:Twice limiting slot, the gas chamber inner wall two are symmetrically arranged on the outer wall of two connection sheets Side is symmetrically arranged with four limited blocks being embedded in respectively in each road limiting slot.
So set, by the way that the limited block being set on gas chamber inner wall insertion is set to the limiting slot on connection sheet outer wall The interior Fast Installation for realizing gas chamber, can increase the contact area of gas chamber and connection sheet using limited block and limiting slot, to add Air-tightness between gas chamber and connection sheet by force.
Further setting:The width of the limited block is more than the width of limiting slot, and the limiting slot is close to one end of gas chamber It is provided with chamfer one, the limited block is provided with the chamfer with one tangent setting of chamfer close to one end of upper end tracheae Two.
So set, the width that the width of limited block is more than limiting slot makes the cooperation of limited block and limiting slot belong to interference Cooperation, can further strengthen the air-tightness between gas chamber and connection sheet, using the chamfer one being set on limiting slot and The chamfer two on limited block is set to be inserted into limiting slot convenient for limited block.
Further setting:One end that the upper end tracheae is connected to gas chamber is provided with third caulking groove, the gas chamber and upper end It is provided with the protrusion being embedded in third caulking groove on one end of tracheae connection.
So set, the contact area of gas chamber and upper end tracheae can be increased using protrusion and third caulking groove, to reinforce Air-tightness between gas chamber and upper end tracheae.
By using above-mentioned technical proposal, the utility model is compared compared with the prior art:By one-way conduction mechanism with it is double Cooperation to conduction mechanism so that when patient's air-breathing, the anesthetic that oxygen and Anesthesia machine that lung ventilator generates generate can be by Patient sucks, and when patient's expiration, the gas of patient's discharge is merely able to be discharged from bidirectional conduction mechanism, so that it is guaranteed that patient is discharged Gas will not enter in the screwed hose that connect with Anesthesia machine, the anesthetic that Anesthesia machine generates will not enter and lung ventilator company In the screwed hose connect.
Description of the drawings
Fig. 1 is the structural schematic diagram of disposable anesthesia respiration pipeline;
Fig. 2 is the assembling schematic diagram of disposable anesthesia respiration pipeline;
Fig. 3 is the structural schematic diagram of the bidirectional conduction mechanism and one-way conduction mechanism of disposable anesthesia respiration pipeline;
Fig. 4 is the structural schematic diagram of the connection sheet of disposable anesthesia respiration pipeline;
Fig. 5 is the structural schematic diagram of the gas chamber of disposable anesthesia respiration pipeline.
In figure:1, Y types respiratory siphon;11, upper end tracheae;12, lower end tracheae;13, gas chamber;131, raised;132, limited block; 1321, chamfer two;14, bidirectional conduction mechanism;141, the second caulking groove;142, the second through hole;143, spring;144, second is close Sealing plate;145, the first sealing plate;146, interconnecting piece;147, third through hole;15, one-way conduction mechanism;151, connection sheet; 1511, left connector;1512, the first jack;1513, right connector;1514, the first inserted link;152, the first through hole;153, it limits Position slot;1531, chamfer one;154, rotation slot;155, rotation axis;156, the first caulking groove;157, the second inserted link;16, it second inserts Hole;17, gasket;171, third jack;18, third caulking groove;2, transit joint;3, tracheal catheter;4, screwed hose.
Specific implementation mode
Disposable anesthesia respiration pipeline is described further referring to figs. 1 to Fig. 5.
A kind of disposable anesthesia respiration pipeline, in conjunction with shown in Fig. 1 and Fig. 2, including Y types respiratory siphon 1 and Y types respiratory siphon 1 are consolidated Surely the transit joint 2 for connecting L-shaped setting, the tracheal catheter 3 being fixedly connected with the one end of transit joint 2 far from Y types respiratory siphon 1 And two screwed hoses 4 being fixedly connected with 1 one end far from transit joint 2 of Y types respiratory siphon, Y types respiratory siphon 1 include and mistake Cross the upper end tracheae 11 that connector 2 is fixedly connected and the lower end tracheae 12 that two are fixedly connected with two screwed hoses 4 respectively;Its In, one end that two lower end tracheaes 12 are connected to upper end tracheae 11 has been respectively fixedly connected with one-way conduction mechanism 15 and two-way has led Lead to mechanism 14, the gas chamber 13 for being connected to two lower end tracheaes 12 and upper end tracheae 11 is additionally provided in Y types respiratory siphon 1.
In conjunction with shown in Fig. 2 and Fig. 3, one-way conduction mechanism 15 and bidirectional conduction mechanism 14 include being plugged in two respectively Tracheae 12 upper end in lower end is used to be connected to the connection sheet 151 of lower end tracheae 12 and gas chamber 13, and two connection sheets 151 are close to gas chamber 13 It is both provided with the first caulking groove 156 on side, the first through hole 152, two the first caulking grooves are both provided in two the first caulking grooves 156 156 upper ends are both provided with rotation slot 154, and two rotation axis 155, two the first caulking grooves are symmetrical arranged in two rotation slots 154 In 156 rotation connection be useful for for Anesthesia machine or oxygen into air inlet chamber 13 for the first sealing plate 145 that patient sucks, two A first sealing plate, 145 upper end is provided with interconnecting piece 146, and the third for two 155 grafting of rotation axis is provided on interconnecting piece 146 Through hole 147;Wherein, the connection sheet 151 of bidirectional conduction mechanism 14 on the side of gas chamber 13 far from being additionally provided with multiple rings first The second caulking groove 141 that caulking groove 156 is arranged, is provided with the second through hole 142 in the second caulking groove 141, fixed in the second caulking groove 141 to connect It is connected to spring 143, the one end of spring 143 far from gas chamber 13 is fixedly connected with the second sealing for being useful for being discharged for patient's exhaled gas Plate 144 is symmetrically arranged with twice limiting slot 153 on the outer wall of two connection sheets 151, and lower end tracheae 12 is connected to gas chamber 13 and sets The one end set is both provided with multiple second jacks 16, and be provided with more on the marginal position of two connection sheets 151 is plugged in respectively The second inserted link 157 in each second jack 16.
In conjunction with shown in Fig. 2 and Fig. 4, connection sheet 151 includes left connector 1511 and right connector 1513, left connector 1511 and right connector 1513 using the centre position of rotation slot 154 as separator bar, be provided on the section of left connector 1511 Multiple first jacks 1512 are provided with multiple be plugged in respectively in each first jack 1512 on the section of right connector 1513 First inserted link 1514;Wherein, two connection sheets 151 are both provided in the one side of lower end tracheae 12 for enhancing connection sheet The gasket 17 of air-tightness between 151 and lower end tracheae 12 is provided on gasket 17 multiple for the of 157 grafting of the second inserted link Three jacks 171.
In conjunction with shown in Fig. 2 and Fig. 5, one end that upper end tracheae 11 is connected to gas chamber 13 is provided with third caulking groove 18, gas chamber 13 It is provided with to be embedded in third caulking groove 18 on the one end connecting with upper end tracheae 11 and be connect with upper end tracheae 11 for increasing gas chamber 13 The protrusion 131 of contacting surface product, 13 inner wall both sides of gas chamber are symmetrically arranged with four and are embedded in respectively in each road limiting slot 153 for increasing The limited block 132 of gas chamber 13 and 151 leakproofness of connection sheet;Wherein, the width of limited block 132 is more than the width of limiting slot 153, limit Position slot 153 is provided with chamfer 1 close to one end of gas chamber 13, and limited block 132 is provided with close to one end of upper end tracheae 11 With the tangent chamfer 2 1321 for being situated so as to limited block 132 and being inserted into limiting slot 153 of chamfer 1.
Operation principle:When the patient inhales, the oxygen that the anesthetic and lung ventilator that Anesthesia machine generates generate can be distinguished Entered in Y types respiratory siphon 1 by one-way conduction mechanism 15 and bidirectional conduction mechanism 14, and is finally inhaled by a patient, at this point, because The influence of 13 interior air-flow flow direction of gas chamber is so that the anesthetic that Anesthesia machine generates will not be dissipated from the screwed hose 4 of connection lung ventilator Go out, and the oxygen that lung ventilator generates will not be spilt into the screwed hose 4 of connection Anesthesia machine;As the patient exhales, Bing Renhu The gas gone out is merely able to shed by being provided with bidirectional conduction mechanism 14 and connecting the screwed hose 4 of lung ventilator, does not have anesthesia The anesthetic mixing that machine generates so that the anesthetic of Anesthesia machine output will not be diluted, so as to be maintained at preferable range It is interior.
When the patient inhales, air pressure changes in Y types respiratory siphon 1, at this point, two lower end tracheaes 12 are because of the spiral shell being connected to Oxygen or anesthetic are filled in line hose 4, air pressure can be relatively large, because patient sucks gas, air pressure meeting in gas chamber 13 Relatively small, there are larger draught heads for both ends air pressure so that the first sealing plate 145 can on one side be turned over to air pressure is lower Turn so that the state that lower end tracheae 12 and upper end tracheae 11 are on, at this point, oxygen and anesthetic can into air inlet chamber 13, And be inhaled by a patient from upper end tracheae 11, to generate certain air-flow so that one-way conduction mechanism 15 and bidirectional conduction machine Structure 14 is in the state of constant conduction, and when the later stage of patient's air-breathing, the intensity of patient's air-breathing can reduce, and lead to anesthesia respiration pipeline Interior current rate reduces, and finally so that deficiency of air is to support the first sealing plate 145 to overturn, eventually leads to sealing plate closing, So that one-way conduction mechanism 15 and bidirectional conduction mechanism 14 close, and remaining gas then can be by the subsequent suction of patient in gas chamber 13 It pneumatically sucks so that finally will not leave behind too many oxygen and anesthetic in gas chamber 13.
As the patient breathes, the gas of patient's exhalation can be full of in gas chamber 13 so that the air pressure in gas chamber 13 is more than two Air pressure in lower end tracheae 12, because the first sealing plate 145 can be limited the gas for causing patient to breathe out by the first caulking groove 156 It can not be scattered to out of first through hole 152 in two lower end tracheaes 12, to realize the one-way conduction effect of one-way conduction mechanism 15 Fruit, still, the gas of patient's exhalation can be shed by the second through hole 142 out of gas chamber 13, and when the patient inhales, second is close Sealing plate 144 can be limited by air pressure and spring 143 second through hole 142 is closed, it is double to bidirectional conduction mechanism 14 To turn-on effect, when the later stage of patient respiration, the current rate of patient's exhalation is not enough to the will be limited by spring 143 second sealing Plate 144 is opened so that lower part exhaust can be also remained in gas chamber 13, when patient's air-breathing next time, this part carries the row of heat Gas can be mixed with oxygen and anesthetic, and the gas humidification that can suck patient heats.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.

Claims (9)

1. a kind of disposable anesthesia respiration pipeline, including Y type respiratory siphons(1), L-shaped setting transit joint(2), tracheal catheter (3)And two screwed hoses(4), the Y types respiratory siphon(1)Including with transit joint(2)The upper end gas that one end is fixedly connected Pipe(11)And two in forked be arranged and with two screwed hoses(4)The lower end tracheae being fixedly connected(12), the transition Connector(2)The other end and tracheal catheter(3)It is fixedly connected, it is characterised in that:The Y types respiratory siphon(1)It further include connection upper end Tracheae(11)And two lower end tracheaes(12)Gas chamber(13), wherein a lower end tracheae(12)On be provided with and gas chamber (13)The bidirectional conduction mechanism that connection setting inputs for realizing exhaled gas discharge and oxygen(14), another lower end gas Pipe(12)On be provided with and gas chamber(13)The one-way conduction mechanism that connection setting unidirectionally imports for realizing anesthetic(15).
2. a kind of disposable anesthesia respiration pipeline according to claim 1, it is characterised in that:The one-way conduction mechanism (15)And bidirectional conduction mechanism(14)Include being set to lower end tracheae(12)Upper end is for being connected to lower end tracheae(12)With gas Room(13)Connection sheet(151), two connection sheets(151)Close to gas chamber(13)Side on be both provided with the first caulking groove (156), two first caulking grooves(156)Inside it is both provided with the first through hole(152), two first caulking grooves(156)Inside turn Dynamic be connected with is embedded in two the first caulking grooves respectively(156)The first interior sealing plate(145), the bidirectional conduction mechanism(14)'s Connection sheet(151)Far from gas chamber(13)Side on be additionally provided with the first caulking groove of multiple rings(156)The second caulking groove being arranged (141), second caulking groove(141)Inside it is provided with the second through hole(142), second caulking groove(141)Inside it is fixedly connected with Spring(143), the spring(143)Far from gas chamber(13)One end be fixedly connected with and the second caulking groove(141)Sealed set Second sealing plate(144).
3. a kind of disposable anesthesia respiration pipeline according to claim 2, it is characterised in that:Two first caulking grooves (156)Upper end is both provided with rotation slot(154), two rotation slots(154)It is inside symmetrical arranged two and is respectively arranged at two Rotation slot(154)The rotation axis of both sides(155), two first sealing plates(145)Upper end is provided with interconnecting piece(146), described Interconnecting piece(146)On be provided with for two rotation axis(155)The third through hole of grafting(147).
4. a kind of disposable anesthesia respiration pipeline according to claim 3, it is characterised in that:The connection sheet(151)Packet Include left connector(1511)And right connector(1513), the left connector(1511)And right connector(1513)With rotation Slot(154)Centre position be separator bar, the left connector(1511)Section on be provided with multiple first jacks(1512), The right connector(1513)Section on be provided with and multiple be plugged in each first jack respectively(1512)The first interior inserted link (1514).
5. a kind of disposable anesthesia respiration pipeline according to claim 2, it is characterised in that:The two lower end tracheaes(12) With gas chamber(13)One end of connection setting is both provided with multiple second jacks(16), two connection sheets(151)Marginal position On be provided with more and be plugged in each second jack respectively(16)The second interior inserted link(157).
6. a kind of disposable anesthesia respiration pipeline according to claim 5, it is characterised in that:Two connection sheets(151) Close to lower end tracheae(12)One side on be both provided with gasket(17), the gasket(17)On be provided with it is multiple for second insert Bar(157)The third jack of grafting(171).
7. a kind of disposable anesthesia respiration pipeline according to claim 2, it is characterised in that:Two connection sheets(151) Outer wall on be symmetrically arranged with twice limiting slot(153), the gas chamber(13)It is embedding that inner wall both sides are symmetrically arranged with four difference It is connected to each road limiting slot(153)Interior limited block(132).
8. a kind of disposable anesthesia respiration pipeline according to claim 7, it is characterised in that:The limited block(132)'s Width is more than limiting slot(153)Width, the limiting slot(153)Close to gas chamber(13)One end be provided with chamfer one (1531), the limited block(132)Close to upper end tracheae(11)One end be provided with and chamfer one(1531)Tangent setting Chamfer two(1321).
9. a kind of disposable anesthesia respiration pipeline according to claim 1, it is characterised in that:The upper end tracheae(11)With Gas chamber(13)One end of connection is provided with third caulking groove(18), the gas chamber(13)With upper end tracheae(11)It is set on one end of connection It is equipped with and is embedded in third caulking groove(18)Interior protrusion(131).
CN201721921558.9U 2017-12-29 2017-12-29 A kind of disposable anesthesia respiration pipeline Active CN208049155U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109621131A (en) * 2018-12-26 2019-04-16 陈丽华 A kind of Anesthesia machine arcotic drainage device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109621131A (en) * 2018-12-26 2019-04-16 陈丽华 A kind of Anesthesia machine arcotic drainage device
CN109621131B (en) * 2018-12-26 2021-04-30 陈丽华 Anesthetic drainage device for anesthesia machine

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