CN204744830U - Three -way valve - Google Patents
Three -way valve Download PDFInfo
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- CN204744830U CN204744830U CN201520295249.XU CN201520295249U CN204744830U CN 204744830 U CN204744830 U CN 204744830U CN 201520295249 U CN201520295249 U CN 201520295249U CN 204744830 U CN204744830 U CN 204744830U
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Abstract
The utility model provides a three -way valve, includes: inside has body (15) of an enclosure space, is provided with first port (17), second port (18) and third port (19) on body (15), can warp closedly elastic element (16, 23) of first port (17), this elastic element (16, 23) set up in body (15), in combination department of first port (17) with body (15), and enter gas vent (21), enter gas vent (21) and set up on body (15), through advancing admitting air or exhaust and making elastic element (16, 23) to warp of gas vent (21). The utility model discloses an advantage includes: simple structure can connect tripartite equipment effectively.
Description
Technical field
This utility model relates to a kind of valve, more specifically, relates to a kind of three-way valve.
Background technology
There is a lot of patient some or all of forfeiture autonomous respiration ability clinically, medical personnel as the case may be for they provide no-wound mechanical ventilation or Mechanical ventilation, can help the circulation of patient's Hold up voltage with this, improve oxygenate and recover effective autonomous respiration.Wherein refer to need by per os or nasal trachea cannula or the mechanical ventilation being set up artificial airway by modes such as tracheotomies for Invasive vent ilation.After critical patient sets up artificial airway, the coughre flex of self weakens, upper respiratory tract heating and moistening function is deprived of, cilium self-cleaning action weakens, airway secretions increases (see " specification airway management pattern is on the impact [J] of transporting quality in adult critical patient institute ", Tang Guirong, Jiang Shiyin, China's medical science, 2011,24 (2): 216-217), clearing pneogaster ensures one of effective Failure Treated with Mechanical Ventilation, the key factor saving critical patient timely and effectively.
The Main Means that current medical personnel clear up patient respiration road secretions carries out manual suction sputum operation with sputum aspirator tube.But this clearing pneogaster secretions mode has a lot of shortcoming.Suction sputum too frequently can cause unnecessary tracheal mucosa damage, increases pulmonary infection probability, increases the weight of hypoxemia and acute left heart failure; Suction sputum can cause again that respiratory tract is obstructed not in time, ventilation reduces, even arrhythmia of suffocating.There are some researches show, suction sputum may cause the generation of following complication, as arrhythmia, Airway damage, increased intracranial pressure, abnormal hemodynamics etc., thus affects the rehabilitation of patient.
Extremely needing the full-automatic expectoration machine with respirator conbined usage now, for removing the armarium of patient airway secretions, being applicable to use respirator to provide the patient of wound mechanical ventilation.The principle of this full-automatic expectoration machine is the physiology cough mechanism utilizing simulation normal person, after respirator applies an inspiratory flow to patient, rapidly to patient apply one suddenly, very brief expiratory airflow, impel the airway secretions of patient to discharge.Expectoration machine operationally needs to set up the gas passage be effectively communicated with respirator and patient, and need the break-make of the gas circuit that can control between respirator and patient, and the mechanical ventilation situation of patient can be monitored, as air-breathing terminal, expiration terminal, tidal volume, respiratory pressure etc.
Existing breathing pipeline all can only be set up gas circuit and be connected between respirator with patient, cannot by the access of full automatic synchronization expectoration machine wherein.
Therefore, a kind of connector of current needs, couples together respirator, patient and full automatic synchronization expectoration machine.The breathing circuit (gas circuit) of respirator, the expectoration machine pipeline (gas circuit) of expectoration machine and patient's pipeline (gas circuit) are interconnected.During the ventilation of patient's normal mechanical, the breathing circuit of respirator is connected to patient airway, and the expectoration machine pipeline of expectoration machine is closed.During client need expectoration, the breathing circuit of respirator is closed, and the expectoration machine pipeline of expectoration machine is connected to patient's pipeline, and expectoration machine produces negative pressure in the expiratory phase of patient, and assisting patient carries out expectoration.
Therefore, the connector that how Design and manufacture goes out to meet the demand is problem demanding prompt solution in prior art.
Utility model content
In order to solve the practical demand described in background technology, this utility model provides a kind of three-way valve, comprising: inside has the body of an enclosed space, body is provided with the first port, the second port and the 3rd port; Can be out of shape the flexible member of closed described first port, this flexible member is arranged in body, the junction of the first port and body; And porting, porting is arranged on body, can make deformation of elastic element by the air inlet of porting or aerofluxus.
Further, body comprises the first noumenon component, the second body member and the 3rd body member, and three combines formation body, and the first port and the second port are positioned on the first noumenon component, 3rd port is positioned on the second body member, and porting is positioned on the 3rd body member.
Further, the first port is the respirator port be communicated with breathing circuit, and the second port is the expectoration machine port with expectoration machine pipeline connection, and the 3rd port is the patient ports be communicated with patient airway.
Further, elastic member is sacculus or diaphragm.
Further, described body also comprises the reinforcement of the bottom of the sacculus for stopping expansion, and reinforcement is arranged in body, is positioned at the seam of respirator port and body.
Further, described body also comprises for stopping the obstruct step flowing into intrinsic liquid, intercepts step and is arranged on body interior, at the connector of respirator port and body, between expectoration machine port and the connector of body.
Further, the second body member has perforate, flexible member and apertures in alignment.
Further, described 3rd body member has lid, and described lid has the hole communicated with porting, and described lid hides the described perforate on the second body member.
Further, respirator port is connected with body in opposite direction obliquely with expectoration machine port.
Further, patient ports is provided with the patient airway pressure detecting mouth for detecting patient airway pressure.
Compared with prior art, advantage of the present utility model comprises: structure is simple, easy to use, can effectively be connected together by three method, apparatus pipelines, two sides can be made simultaneously to be communicated with, close third party's pipeline.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the first embodiment of three-way valve of the present utility model.
Fig. 2 is in the sectional view of the first state for the three-way valve shown in Fig. 1.
Fig. 3 is in the sectional view of the second state for the three-way valve shown in Fig. 1.
Fig. 4 is the explosion figure of the second embodiment of three-way valve of the present utility model.
Fig. 5 is the sectional view of three-way valve shown in Fig. 4.
Fig. 6 is the profile of the 3rd embodiment of three-way valve of the present utility model.
Fig. 7 is the isometric cutaway view of the flexible member in Fig. 6.
Reference numeral
15 body 15A the first noumenon components
15B second body member 15C the 3rd body member
16 sacculus 17 respirator ports
17A reinforcement 17B intercepts step
18 expectoration machine port one 9 patient ports
21 porting 22 patient airway pressure detecting mouths
Detailed description of the invention
Describe embodiment of the present utility model with reference to the accompanying drawings, the identical Reference numeral of wherein identical parts represents.
First embodiment
Fig. 1 is the axonometric chart of the first embodiment of three-way valve of the present utility model, and it adopts sacculus as flexible member.Fig. 2 is in the sectional view of the first state for the three-way valve shown in Fig. 1.Fig. 3 is in the sectional view of the second state for the three-way valve shown in Fig. 1.
Three-way valve comprises body 15, and body 15 inside has an enclosed space.Body 15 is provided with porting 21, body 15 is also provided with three air flue ports: the first port (respirator port) 17, second port (expectoration machine port) 18 and the 3rd port (patient ports) 19, thus three gas circuits can be connected: respirator gas circuit, expectoration machine gas circuit and patient's gas circuit.Specifically, respirator port one 7 is connected to respirator by breathing circuit (not shown), forms respirator gas circuit.Expectoration machine port one 8 is connected to expectoration machine by expectoration machine pipeline (not shown), forms expectoration machine gas circuit.Patient ports 19 is connected to the air flue of patient by patient's pipeline (not shown), forms patient's gas circuit, thus the gas circuit set up between patient, respirator, expectoration machine connects.Respirator port one 7, expectoration machine port one 8, patient ports 19 are for meeting female cone joint or the outer cone joint of industry standard (" YY1040.1-2003 anesthesia and breathing apparatus cone joint part 1: conehead and tapered sleeve "), can be 15mm size, also can be 22mm size.
Body 15 is a hollow structure, inner at body 15, and in the junction of body 15 with respirator port one 7, be provided with flexible member 16, flexible member 16 can close described first port (17) after being out of shape.Figure elastic element 16 is shown as sacculus 16 (see Fig. 2); for sacculus 16, this utility model is described below; but protection domain of the present utility model is not restricted to this, the parts with identical operation principle all can be applied in this utility model be covered by of the present utility model.
Sacculus 16 can be inflated and aerofluxus.The inflation of sacculus 16 and aerofluxus are realized by porting 21.Porting 21 is connected to sacculus 16.Sacculus 16 can close respirator port one 7 after inflation, and breathing circuit is closed.When needing air inlet, expectoration machine is inflated in sacculus 16 via porting 21, sacculus 16 is expanded and closes respirator port one 7.When needs aerofluxus, porting 21 opened by expectoration machine, sacculus 16 aerofluxus, makes sacculus 16 be contracted to naturalness and opens respirator port one 7.In general, when respirator normally works, sacculus 16 is in the raw, namely unexpanded, and the gas that respirator provides is sent to patient by respirator port one 7, patient ports 19.When expectoration machine applies expectoration action to patient, expectoration machine is inflated to sacculus 16, and sacculus 16 expands and closes respirator port one 7.
Fig. 2 show three-way valve be in open mode under sectional view, now respirator port one 7 is open, and the air-flow that respirator provides can flow to patient by respirator port flow through three-way valve.Fig. 3 show three-way valve be in closed state under sectional view, now respirator port one 7 is that sacculus after being inflated 16 is closed, and patient can carry out expectoration.Optionally, sacculus 16 can substitute, as long as it controlledly can be opened or block respirator port one 7 with other switches or valve.
Further, described patient ports 19 is provided with patient airway pressure detecting mouth 22.Observing and controlling pipeline (not shown) by collection the patient airway pressure detecting mouth 22 on three-way valve and the pressure signal transmission on respirator port one 7 to expectoration machine, the pneumatic control signal that expectoration machine provides is passed to sacculus 16 simultaneously.Observing and controlling pipeline is townhouse pipe, can set more or less townhouse pipe according to actual needs.Detecting patient airway pressure is for expectoration machine judges that patient respiration situation provides foundation, as judged patient respiration frequency, breathing the information such as beginning and ending time, climacteric duty pressure, simultaneously in order to break down at respirator or saccule valve, cause respirator cannot provide the mechanical ventilation of continuous and effective for patient, when patient has an asphyxiation hazard, namely patient airway pressure maintains a certain numerical range (as 15 to 30cmH
2o), time certain hour (such as 10 seconds), expectoration machine can give the alarm.
In use, three-way valve should keep the vertical state shown in Fig. 1, sputum and other secretions can be avoided like this to pollute sacculus 16, also avoid sputum and other secretions contamination and plugging patient airway pressure detecting mouth 22 or sacculus 16 simultaneously.
Second embodiment
Fig. 4 is the explosion figure of the second embodiment of three-way valve of the present utility model.Fig. 5 is the sectional view of three-way valve shown in Fig. 4.
Body 15 comprises the first noumenon component 15A, the second body member 15B and the 3rd body member 15C, and three's engaging is combined into body 15.Body 15 is designed to dismountable, is in order to the sacculus 16 to be convenient for changing relatively easy loss.The first noumenon component 15A is provided with respirator port one 7 and expectoration machine port one 8.Second body member 15B is provided with patient ports 19.Second body member 15B has perforate, and this perforate is alignd with the Nang Kou of sacculus 16, and in the same size.3rd body member 15C is provided with porting 21.In general, porting 21 is less, and the Nang Kou of sacculus 16 is larger, so the 3rd body member 15C has lid, this lid can to cover on the second body member 15B described perforate of aliging with the Nang Kou of sacculus 16, and this covers and has aperture, and this aperture communicates with porting 21.
Sacculus 16 is placed near the seam of respirator port one 7 with body 15, jointly forms independent enclosed space with body.Preferably, place reinforcement 17A at this seam, when inflated expands, the bottom of sacculus is likely out of shape, and reinforcement 17A can stop sacculus 16, prevents the bottom excessive deformation of sacculus 16.
In the first embodiment, the preferred using state of three-way valve is vertical.In this second embodiment, the using state of three-way valve can be (as shown in Figure 4) that keep flat, condensed water, sputum etc. may be had during horizontal positioned to flow to three-way valve and collect in herein, in order to prevent these liquid three-way valve, particularly affect sacculus 16.Can arrange in threeway sacculus valve chest inside and intercept step 17B.Intercepting step 17B, to be arranged on body 15 inner, at the connector of respirator port one 7 and body 15, between expectoration machine port one 8 and the connector of body 15.Intercept step 17B and there is certain altitude to stop described condensed water, sputum etc.Intercept step 17B and body 15 can not be separated into two airtight spaces, because body 15 is tee Ts, need respirator port one 7, expectoration machine port one 8 and patient ports 19 3 to ventilate.Intercept step 17B to be arranged on as shown in Figure 4 on the first noumenon component 15A and the second body member 15B.
In present embodiment, respirator port, expectoration machine port, patient ports are for meeting female cone joint or the outer cone joint of industry standard (" YY1040.1-2003 anesthesia and breathing apparatus cone joint part 1: conehead and tapered sleeve "), wherein respirator port and patient ports are 15mm female cone joint, and expectoration machine port is 15mm outer cone interface.
Respirator port one 7 is connected with body 15 in opposite direction obliquely with expectoration machine port one 8, and this is to reserve the space be connected with breathing circuit (not shown) and expectoration machine pipeline (not shown).
3rd embodiment
Fig. 5 to Fig. 6 shows the 3rd embodiment of the present utility model, and the 3rd embodiment is on the basis of the first embodiment, and sacculus 16 is replaced with chip diaphragm 23.Change the structure of the 3rd body member 15C simultaneously, make it be applicable to fixing chip diaphragm 23, and independent enclosed space can be formed with it.Chip diaphragm 23 is the same with sacculus, can be out of shape with closed respirator port one 7 by compressed gas-driven.Fig. 6 shows a kind of isometric cutaway view of chip diaphragm 23.Fig. 7 shows and adopts chip diaphragm shown in Fig. 6 as the profile of the 3rd embodiment of the three-way valve of the present utility model of flexible member.
Chip diaphragm 23, compared with sacculus 16, has that response speed is faster, the better feature of sealing effectiveness, but sacculus 16 has higher reliability.
Three-way valve of the present utility model not only may be used for gas circuit, also may be used for liquid.
Above-described embodiment, just this utility model more preferably detailed description of the invention, the usual change that those skilled in the art carries out within the scope of technical solutions of the utility model and replacement all should be included in protection domain of the present utility model.
Claims (10)
1. a three-way valve, is characterized in that, comprising:
Inside has the body (15) of an enclosed space, body (15) is provided with the first port (17), the second port (18) and the 3rd port (19);
The flexible member (16 of closed described first port (17) can be out of shape, 23), this flexible member (16,23) is arranged in body (15), in the junction of the first port (17) with body (15); And
Porting (21), porting (21) is arranged on body (15), flexible member (16,23) can be made to be out of shape by the air inlet of porting (21) or aerofluxus.
2. three-way valve according to claim 1, it is characterized in that, body (15) comprises the first noumenon component (15A), the second body member (15B) and the 3rd body member (15C), and three combines and forms body (15)
First port (17) and the second port (18) are positioned on the first noumenon component (15A), 3rd port (19) is positioned on the second body member (15B), and porting (21) is positioned on the 3rd body member (15C).
3. three-way valve according to claim 1, it is characterized in that, first port (17) is the respirator port be communicated with breathing circuit, second port (18) is the expectoration machine port with expectoration machine pipeline connection, and the 3rd port (19) is as the patient ports be communicated with patient airway.
4. three-way valve according to claim 1, is characterized in that, described flexible member (16,23) is sacculus (16) or diaphragm (23).
5. three-way valve according to claim 4, it is characterized in that, described body (15) also comprises the flexible member (16 for stopping expansion, 23) reinforcement (17A) of bottom, reinforcement (17A) is arranged in body (15), is positioned at the seam of respirator port (17) and body (15).
6. three-way valve according to claim 1, it is characterized in that, described body (15) also comprises the obstruct step (17B) for stopping the liquid flowed in body (15), intercepting step (17B), to be arranged on body (15) inner, at the connector of respirator port (17) and body (15), between expectoration machine port (18) and the connector of body (15).
7. three-way valve according to claim 2, is characterized in that, the second body member (15B) has perforate, flexible member (16,23) and described apertures in alignment.
8. three-way valve according to claim 7, it is characterized in that, described 3rd body member (15C) has lid, and described lid has the hole communicated with porting (21), and described lid hides the described perforate of the second body member (15B).
9. three-way valve according to claim 1, is characterized in that, respirator port (17) is connected with body (15) in opposite direction obliquely with expectoration machine port (18).
10. three-way valve according to claim 1, is characterized in that, patient ports (19) is provided with the patient airway pressure detecting mouth (22) for detecting patient airway pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520295249.XU CN204744830U (en) | 2015-05-08 | 2015-05-08 | Three -way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520295249.XU CN204744830U (en) | 2015-05-08 | 2015-05-08 | Three -way valve |
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| Publication Number | Publication Date |
|---|---|
| CN204744830U true CN204744830U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520295249.XU Active CN204744830U (en) | 2015-05-08 | 2015-05-08 | Three -way valve |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106110457A (en) * | 2016-07-20 | 2016-11-16 | 蔡小奇 | A kind of sputum elimination machine and respirator system thereof |
| WO2016180243A1 (en) * | 2015-05-08 | 2016-11-17 | 濡新（北京）科技发展有限公司 | Mucus suction tube |
| CN106979356A (en) * | 2016-01-18 | 2017-07-25 | 多罗特管理控制阀有限公司 | Control valve |
-
2015
- 2015-05-08 CN CN201520295249.XU patent/CN204744830U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016180243A1 (en) * | 2015-05-08 | 2016-11-17 | 濡新（北京）科技发展有限公司 | Mucus suction tube |
| CN106979356A (en) * | 2016-01-18 | 2017-07-25 | 多罗特管理控制阀有限公司 | Control valve |
| US10393277B2 (en) | 2016-01-18 | 2019-08-27 | Dorot Management Control Valves Ltd. | Control valve |
| CN106110457A (en) * | 2016-07-20 | 2016-11-16 | 蔡小奇 | A kind of sputum elimination machine and respirator system thereof |
| CN106110457B (en) * | 2016-07-20 | 2019-03-15 | 蔡小奇 | A kind of sputum elimination machine and its respirator system |
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| GR01 | Patent grant |