Platform valve for breathing machine pipeline

Abstract

The platform valve comprises a valve body, an upper cover and a breathing diaphragm, the valve body comprises a main body part and an exhaust part, an inner cavity is formed in the main body part, an exhaust hole communicated with the inner cavity is formed in the main body part, the exhaust part is arranged on the periphery of the exhaust part in a surrounding mode, and an exhaust channel is formed; the breathing diaphragm is installed at the upper end of the exhaust part, the upper cover covers the breathing diaphragm, a first through hole is formed in one end of the breathing diaphragm, a second through hole is formed in the end, away from the first through hole, of the upper cover, and a protruding structure is arranged on the peripheral side of the second through hole. The self-adaptive breathing apparatus has the advantages that self-adaptive adjustment can be achieved in the breathing process and the inspiration process, man-machine synchronism is improved, and use safety can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely relates to a platform valve for breathing machine pipeline. BACKGROUND

[0002] With the continuous development of noninvasive respiratory support technology, various types of breathing machines have been widely used in clinical treatment, especially in the treatment of patients with chronic obstructive pulmonary disease (COPD), pulmonary heart disease, emphysema and other diseases. Among them, an effective airway management and exhalation valve assembly is crucial to ensure the respiratory comfort, exhalation efficiency and synchronicity with the breathing machine of the patient. Noninvasive breathing machine is used to provide continuous airway positive pressure to help patients breathe under noninvasive conditions. The device supplies gas to the patient stably through positive pressure, and controls the discharge of gas through an effective exhalation valve, reduces the resistance of the patient during exhalation, and optimizes the ventilation function of the alveoli. The design of the breathing valve directly affects the smoothness of the airflow and the comfort of the patient, and further affects the treatment effect. Traditional independent exhalation valves such as side hole valves and silent valves will increase the air leakage amount as the pressure of the breathing machine increases, and reduce the air leakage amount as the pressure of the breathing machine decreases, so a breathing valve needs to have adaptive characteristics, which can automatically adjust the opening degree during inspiration and expiration, and the exhalation port is not easy to be blocked. SUMMARY

[0003] The utility model aims at providing a platform valve for breathing machine pipeline which can adaptively adjust during exhalation and inspiration, improve human-machine synchronicity, and improve use safety.

[0004] A platform valve for breathing machine pipeline, comprising a valve body, an upper cover and a breathing diaphragm, the valve body comprises a main body part and an exhaust part, an inner cavity is formed in the main body part, an exhaust hole communicating with the inner cavity is arranged on the main body part, and the exhaust part is arranged around the outer periphery of the exhaust part and forms an exhaust passage;

[0005] The breathing diaphragm is installed on the upper end of the exhaust part, the upper cover is arranged on the breathing diaphragm, one end of the breathing diaphragm is provided with a first through hole, the end of the upper cover away from the first through hole is provided with a second through hole, and the periphery of the second through hole is provided with a protruding structure.

[0006] In the above scheme, the gas flows in the inner cavity of the main body during the patient's breathing, and is discharged through the exhaust hole and flows to the breathing diaphragm through the exhaust passage formed by the exhaust portion, and is discharged through the first through hole of the breathing diaphragm and the second through hole on the upper cover. The protruding structure on the side of the second through hole is to avoid the second through hole being covered to cause the airflow to be unable to be normally discharged. When the patient inhales, the air pressure in the valve body is increased, so that the breathing diaphragm is pressed to be close to the upper cover, so that the exhaust area between the breathing diaphragm and the upper cover is reduced, thereby reducing the air leakage of the platform valve, so that the triggering judgment of inhalation and exhalation is more accurate, thereby increasing the human-machine synchronicity. When the patient exhales, the air pressure in the valve body is low, and the breathing diaphragm is separated from the upper cover, so that the exhaust area between the breathing diaphragm and the upper cover is large, thereby increasing the air leakage of the platform valve. The large air leakage can effectively solve the problem of carbon dioxide retention, and at the same time ensure the smoothness of the exhalation process. This design is particularly important for patients with chronic obstructive pulmonary disease, pulmonary heart disease, and emphysema.

[0007] Further, the protruding structure is provided with a plurality of notches.

[0008] In the above scheme, the provision of the notches provides an additional release channel for the gas, which can better avoid the second through hole being blocked.

[0009] Further, one side of the breathing diaphragm close to the upper cover is provided with a groove, and the groove forms a communicating cavity between the upper cover and the breathing diaphragm.

[0010] In the above scheme, since the breathing diaphragm is pressed to be close to the upper cover under atmospheric pressure and will contact the upper cover, the fog side facing the upper cover can ensure that the breathing diaphragm will not be adsorbed together with the upper cover, thereby avoiding unstable air leakage.

[0011] Further, one side of the breathing diaphragm close to the upper cover is provided with a groove, and the groove forms a communicating cavity between the upper cover and the breathing diaphragm.

[0012] In the above scheme, the cavity formed between the groove of the breathing diaphragm and the upper cover plays an important role in the self-adaptive adjustment of the platform valve. When the breathing diaphragm is close to the upper cover, the space of the cavity is reduced, that is, the exhaust area is small, and when the breathing diaphragm is away from the upper cover, the space of the cavity is large, that is, the exhaust area is large, thereby realizing better human-machine synchronicity. At the same time, due to the design of the groove, there is no completely closed space between the breathing diaphragm and the upper cover, thereby avoiding the generation of dead space.

[0013] Further, one end of the side wall of the breathing diaphragm is provided with a handle, and the upper cover is provided with an opening corresponding to the position of the handle.

[0014] In the above scheme, the handle provides a special site for the grasping of the breathing diaphragm, and through the opening on the upper cover, medical staff or equipment maintenance personnel can easily grasp the handle to carry out the installation or disassembly operation of the breathing diaphragm, and the notch on the upper cover avoids the interference between the handle and the breathing diaphragm when the upper cover is covered on the breathing diaphragm.

[0015] Further, one end of the valve body is an air inlet port, and the other end is a breathing port, the breathing port is rotationally connected with a connector, and a plurality of sealing protrusions are arranged on the outer side wall of the breathing port.

[0016] In the above scheme, the gas enters from the air inlet port, and the connector rotationally connected with the breathing port can be freely rotated by 360 degrees, so that the patient can move more freely, and the flexible connector can well ensure that the tracheostomy tube, tracheal cannula and invasive mask are not pulled by the pipeline, so that the treatment effect can be guaranteed, and the sealing protrusions arranged on the outer side wall of the breathing port can achieve good sealing effect between the connector and the valve body without affecting the flexibility of rotation.

[0017] Further, the breathing port is further provided with a limiting baffle and an annular protrusion, the limiting baffle is used for limiting the connector, an inner side wall of the connector is provided with a clamping protrusion capable of being clamped with the annular protrusion, and one end of the clamping protrusion is provided with a chamfer.

[0018] In the above scheme, the chamfer at one end of the clamping protrusion on the inner side wall of the connector can facilitate the sleeving of the connector on the breathing port, and after the clamping protrusion passes through the annular protrusion, the annular protrusion limits the clamping protrusion, and the limiting baffle limits the end of the connector, so that the clamping mode realizes the simple assembly of the connector and the valve body and guarantees the stability of the connection, and meanwhile, the 360-degree free rotation of the connector on the valve body is not affected.

[0019] Further, the air inlet port comprises an inner layer air inlet interface and an outer layer air inlet interface, the inner layer air inlet interface is used for connecting a small-diameter air tube, and the outer layer air inlet interface is used for connecting a large-diameter air tube.

[0020] In the above scheme, the inner layer air inlet interface is used for connecting a small-diameter air tube, and the outer layer air inlet interface is used for connecting a large-diameter air tube, so as to guarantee the compatibility of the air inlet port with different pipelines, and the diameters of the inner layer air inlet interface and the outer layer air inlet interface conform to international standards.

[0021] Further, the valve body is further provided with a pressure measuring port and an oxygen inlet, the pressure measuring port and the oxygen inlet are covered with detachable caps, and the caps are provided with anti-dropping strips connected with the pressure measuring port and the oxygen inlet.

[0022] In the above scheme, the pressure measuring port and the oxygen inlet port adopt the design of international standard interface, so that they can be matched with most of the pressure measuring tubes and oxygen supply tubes in the clinic or on the market. The caps on the pressure measuring port and the oxygen inlet port can be detached, and the anti-dropping strips on the caps can prevent the caps from being lost.

[0023] The utility model discloses a platform valve for breathing machine pipeline has the beneficial effect of self -adaptation adjustment in the exhalation and inspiration process, improve man -machine synchronism and can improve the security of use. The gas in the patient breathing process is in the inner chamber of main part and will discharge through the exhaust hole and pass through the exhaust passage formed by the exhaust part and circulate to the breathing diaphragm, then passes through the first through -hole of breathing diaphragm and the second through -hole on the upper cap and discharges, and the convex structure is arranged on the periphery of the second through -hole to avoid that the second through -hole is covered and causes the airflow to be unable normally discharged, when the patient inhales, the air pressure in the valve body is higher, makes breathing diaphragm be extruded and close to the upper cap, like this, the exhaust area between breathing diaphragm and upper cap reduces, thereby the air leakage of platform valve is reduced, so the trigger judgement of inspiration and exhalation will be more accurate, thereby the man -machine synchronism is increased, when the patient exhales, the air pressure in the valve body is lower, and breathing diaphragm is separated from the upper cap, so the exhaust area between breathing diaphragm and upper cap is larger, thereby the air leakage of platform valve is increased. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the exploded schematic view of platform valve for breathing machine pipeline of an embodiment.

[0025] Figure 2 It is the valve body structure schematic view of an embodiment.

[0026] Figure 3 It is the whole structure schematic view of platform valve of an embodiment.

[0027] Figure 4 It is the breathing diaphragm installation structure schematic view of an embodiment.

[0028] Figure 5 It is the joint structure schematic view of an embodiment.

[0029] Brief description of drawings: 1, valve body;11, main part;111, inner chamber;112, exhaust hole;12, exhaust part;121, exhaust passage;13, gas inlet port;131, inner layer gas inlet interface;132, outer layer gas inlet interface;14, breathing port;2, upper cap;21, second through -hole;22, convex structure;221, notch;23, opening;3, breathing diaphragm;31, first through -hole;32, recess;33, handle;4, joint;41, clamping convex strip;411, chamfer;5, sealing convex strip;6, limit stop;7, annular convex;8, pressure measuring port;9, cap;91, anti -drop strip. DETAILED DESCRIPTION

[0030] The utility model discloses a platform valve for breathing machine pipeline will be further described in detail below with specific embodiments and drawings.

[0031] As Figure 1 And Figure 2 The utility model discloses a platform valve for breathing machine pipeline, including valve body 1, upper cover 2 and breathing diaphragm 3, valve body 1 includes main part 11 and exhaust part 12, the inner chamber 111 is formed in main part 11, is equipped with exhaust hole 112 with the inner chamber 111 intercommunication on main part 11, exhaust part 12 surrounds and forms exhaust passage 121 at the outer periphery of exhaust part 12;Breathing diaphragm 3 is installed at the upper end of exhaust part 12, upper cover 2 is covered and is arranged on breathing diaphragm 3, and one end of breathing diaphragm 3 is equipped with first through-hole 31, and the end of upper cover 2 away from first through-hole 31 is equipped with second through-hole 21, and the periphery of second through-hole 21 is equipped with convex structure 22.

[0032] The gas in the patient breathing process is circulated in the inner chamber 111 of main part 11, and is discharged through exhaust hole 112, and is circulated to breathing diaphragm 3 through the exhaust passage 121 formed by exhaust part 12, and is discharged through first through-hole 31 of breathing diaphragm 3 and second through-hole 21 on upper cover 2, and the periphery of second through-hole 21 is equipped with convex structure 22, so that second through-hole 21 becomes a three-dimensional hole, which is to avoid that second through-hole 21 is covered by single or other things, so that the gas flow cannot be discharged normally, thereby reducing the risk of suffocation or even death of the patient caused by the blockage of second through-hole 21, and improving the safety.

[0033] When the patient inhales, the gas pressure in valve body 1 is increased, so that breathing diaphragm 3 is extruded to be close to upper cover 2, so that the exhaust area between breathing diaphragm 3 and upper cover 2 is reduced, thereby reducing the air leakage amount of the platform valve, so that the triggering judgment of inhalation and exhalation is more accurate, thereby increasing the man-machine synchronicity;When the patient exhales, the gas pressure in valve body 1 is lower, and breathing diaphragm 3 is separated from upper cover 2, so that the exhaust area between breathing diaphragm 3 and upper cover 2 is larger, thereby increasing the air leakage amount of the platform valve, and the larger air leakage amount can effectively solve the problem of carbon dioxide retention, and at the same time ensure the smoothness of the exhalation process, which is particularly important for patients with chronic obstructive pulmonary disease, pulmonary heart disease and emphysema. It can be seen from the figure that the distribution of exhaust hole 112 is relatively uniform, so that the gas can better act on breathing diaphragm 3, which is conducive to controlling the opening degree of breathing diaphragm 3, thereby ensuring the stability of the air leakage amount.

[0034] As Figure 3In some embodiments, the convex structure 22 is provided with a plurality of notches 221. The notches 221 provide additional release channels for the gas, which can better avoid the second through hole 21 being blocked. As can be seen in the figure, the second through hole 21 is an oblong hole, and the convex structure 22 is provided on the edge of the oblong hole, and the convex structure 22 is provided with an arc-shaped notch 221.

[0035] As Figure 1 In some embodiments, one side of the breathing diaphragm 3 close to the upper cover 2 is a matte surface, and the other side is a glossy surface. Since the breathing diaphragm 3 is pressed close to the upper cover 2 under atmospheric pressure and comes into contact with the upper cover 2, the matte surface facing the upper cover 2 can ensure that the breathing diaphragm 3 will not be adsorbed together with the upper cover 2, thereby avoiding unstable air leakage.

[0036] Specifically, the breathing diaphragm 3 is made of liquid silicone, and the hardness is preferably 50A, which has the best comprehensive performance. The platform valve complete product is made of liquid silicone or PC material with good heat resistance, which can be used by a single patient for a long time in the hospital or at home, saving costs and expenses for hospitals and patients, and creating favorable social value.

[0037] As Figure 4 In some embodiments, the breathing diaphragm 3 is provided with a groove 32 on one side close to the upper cover 2, and the groove 32 forms a communicating cavity between the upper cover 2 and the breathing diaphragm 3. The cavity formed between the groove 32 of the breathing diaphragm 3 and the upper cover 2 plays an important role in the self-adaptive adjustment process of the platform valve. When the breathing diaphragm 3 is close to the upper cover 2, the space of the cavity decreases, i.e., the exhaust area is small, and when the breathing diaphragm 3 is away from the upper cover 2, the space of the cavity increases, i.e., the exhaust area is large, thereby realizing better human-machine synchronicity. At the same time, due to the design of the groove 32, there will be no completely sealed space between the breathing diaphragm 3 and the upper cover 2, thereby avoiding the generation of dead space.

[0038] As Figure 3 And Figure 4 In some embodiments, one end of the circumferential wall of the breathing diaphragm 3 is provided with a handle 33, and the upper cover 2 is provided with an opening 23 corresponding to the position of the handle 33. The handle 33 provides a special part for grasping the breathing diaphragm 3, and through the opening 23 on the upper cover 2, medical staff or equipment maintenance personnel can easily grasp the handle 33 to perform installation or disassembly operation of the breathing diaphragm 3. The notches 221 on the upper cover 2 avoid interference between the upper cover 2 and the handle 33 of the breathing diaphragm 3 when the upper cover 2 is covered on the breathing diaphragm 3. The upper cover 2 has a prompt slogan engraved for the handle 33, which can remind patients and doctors. The way of engraving is permanent and cannot be destroyed.

[0039] As Figure 1 And Figure 2In some embodiments, one end of the valve body 1 is the air inlet port 13, and the other end is the breathing port 14, the breathing port 14 is rotatably connected with the connector 4, and the outer side wall of the breathing port 14 is provided with a plurality of sealing protrusions 5. The gas enters from the air inlet port 13, and the connector 4 rotatably connected with the breathing port 14 can rotate freely by 360 degrees, so that the patient can move more freely, and the flexible connector 4 can well ensure that the tracheostomy tube, tracheal tube, and invasive mask are not pulled by the pipeline, so that the treatment effect can be guaranteed. The sealing protrusions 5 provided on the outer side wall of the breathing port 14 can achieve good sealing effect between the connector 4 and the valve body 1 without the need to increase additional sealing components or soft rubber design, thereby reducing the unintentional air leakage between the structures of the platform valve during use, while also not hindering the flexibility of rotation.

[0040] As Figure 1 , Figure 2 and Figure 4 In some embodiments, the breathing port 14 is also provided with a limiting baffle 6 and an annular protrusion 7, the limiting baffle 6 is used for limiting the connector 4, the inner side wall of the connector 4 is provided with a clamping protrusion 41 capable of being clamped with the annular protrusion 7, and one end of the clamping protrusion 41 is provided with a chamfer 411. The chamfer 411 provided at one end of the clamping protrusion 41 on the inner side wall of the connector 4 can facilitate the connector 4 to be sleeved on the breathing port 14, after the clamping protrusion 41 passes through the annular protrusion 7, the annular protrusion 7 limits the clamping protrusion 41, and the limiting baffle 6 limits the end of the connector 4. Such clamping mode not only realizes simple assembly of the connector 4 and the valve body 1 and guarantees the stability of connection, but also does not affect the 360-degree free rotation of the connector 4 on the valve body 1.

[0041] As Figure 3 In some embodiments, the air inlet port 13 includes an inner layer air inlet interface 131 and an outer layer air inlet interface 132, the inner layer air inlet interface 131 is used for connecting a small-caliber air tube, and the outer layer air inlet interface 132 is used for connecting a large-caliber air tube. The inner layer air inlet interface 131 is used for connecting a small-caliber air tube, and the outer layer air inlet interface 132 is used for connecting a large-caliber air tube, thereby guaranteeing the compatibility of the air inlet port 13 with different pipelines, and the calibers of the inner layer air inlet interface 131 and the outer layer air inlet interface 132 conform to international standards.

[0042] As Figures 1 to 4 shown, in some embodiments, the valve body 1 is also provided with a pressure measuring port 8 and an oxygen inlet, and the pressure measuring port 8 and the oxygen inlet are both covered with a detachable cap 9, and the cap 9 is provided with an anti-dropping strip 91 connected with the pressure measuring port 8 and the oxygen inlet. The pressure measuring port 8 and the oxygen inlet are designed with international standard interfaces, so as to be matched with most pressure measuring tubes and oxygen supply tubes in the clinic or on the market. The cap 9 on the pressure measuring port 8 and the oxygen inlet can be detached, and the anti-dropping strip 91 on the cap 9 can prevent the cap 9 from being lost.

[0043] The working principle and process of the platform valve for the breathing machine pipeline, when the patient inhales, the air pressure in the valve body 1 is increased, so that the breathing diaphragm 3 is pressed close to the upper cover 2, so that the exhaust area between the breathing diaphragm 3 and the upper cover 2 is reduced, thereby reducing the air leakage of the platform valve, so that the triggering judgment of inspiration and expiration is more accurate, thereby increasing the man-machine synchronicity; when the patient exhales, the air pressure in the valve body 1 is lower, the breathing diaphragm 3 is separated from the upper cover 2, so that the exhaust area between the breathing diaphragm 3 and the upper cover 2 is larger, thereby increasing the air leakage of the platform valve, and the larger air leakage can effectively solve the problem of carbon dioxide retention, and at the same time ensure the smoothness of the exhalation process.

[0044] In the description of the utility model, it is to be understood that the orientation or position relationship indicated by terms such as '' upper'', '' lower'', '' front'', '' rear'', '' left'', '' right'', '' vertical'', '' horizontal'', '' top'', '' bottom'', '' inner'', '' outer'' and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0045] In addition, the terms '' first '' and '' second '' are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as '' first '' and '' second '' can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of '' multiple '' is two or more than two, unless otherwise specifically limited.

[0046] In the utility model, unless otherwise specifically defined and limited, the terms '' installation'', '' connection'', '' connection'', '' fixed '' and the like should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication or interaction relationship between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0047] Although the description of the utility model is combined with the above specific embodiments, it is obvious that many substitutions, modifications and changes can be made according to the above content for those skilled in the art. Therefore, all such alternatives, improvements and changes are included in the spirit and scope of the appended claims.

Claims

1. A platform valve for use in a breathing machine circuit, characterized by, The valve body, the upper cover and the breathing diaphragm, The valve body includes a main body part and an exhaust part, an inner cavity is formed in the main body part, an exhaust hole is arranged on the main body part and communicates with the inner cavity, and the exhaust part is arranged around the outer periphery of the exhaust part and forms an exhaust passage; The breathing diaphragm is installed on the upper end of the exhaust part, the upper cover is arranged on the breathing diaphragm, one end of the breathing diaphragm is provided with a first through hole, the upper cover is provided with a second through hole away from the first through hole, and the periphery of the second through hole is provided with a convex structure.

2. A platform valve for use in a breathing machine circuit according to claim 1, characterized in that, The convex structure is provided with a plurality of notches.

3. A platform valve for use in a breathing machine circuit as defined in claim 1, wherein, The side of the breathing diaphragm close to the upper cover is provided with a concave groove, and the concave groove forms a communicating cavity between the upper cover and the breathing diaphragm.

4. The platform valve for use in a breathing machine circuit of claim 1, wherein, One end of the periphery of the breathing diaphragm is provided with a handle, and the upper cover is provided with an opening corresponding to the position of the handle.

5. A platform valve for use in a breathing machine circuit as defined in claim 1, wherein, One end of the valve body is an air inlet port, and the other end is a breathing port, the breathing port is rotatably connected with a connector, a plurality of sealing convex strips are arranged on the outer side wall of the breathing port.

6. A platform valve for use in a breathing machine circuit as defined in claim 1, wherein, The breathing port is also provided with a limiting baffle and an annular protrusion, the limiting baffle is used for limiting the connector, the inner side wall of the connector is provided with a clamping convex strip which can be clamped with the annular protrusion, and one end of the clamping convex strip is provided with a chamfer.

7. A platform valve for use in a breathing machine circuit as defined in claim 6, wherein, The air inlet port includes an inner layer air inlet interface and an outer layer air inlet interface, the inner layer air inlet interface is used for connecting a small-diameter air pipe, and the outer layer air inlet interface is used for connecting a large-diameter air pipe.

8. A platform valve for use in a breathing machine circuit as defined in claim 6, wherein, The valve body is also provided with a pressure measuring port and an oxygen inlet, the pressure measuring port and the oxygen inlet are covered with a detachable cap, and the cap is provided with a anti-drop strip connected with the pressure measuring port and the oxygen inlet.

9. A platform valve for use in a breathing machine circuit as defined in claim 1, wherein, ​

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