CN216136510U

CN216136510U - Breathing machine and expiratory valve assembly

Info

Publication number: CN216136510U
Application number: CN202023258351.2U
Authority: CN
Inventors: 邹水奇
Original assignee: Shenzhen Prunus Medical Co Ltd
Current assignee: Shenzhen Prunus Medical Co Ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2022-03-29
Anticipated expiration: 2030-12-29

Abstract

The application discloses breathing machine, expiratory valve subassembly, this breathing machine includes: the main machine body is provided with an expiratory valve assembly groove, and a heating body is arranged in the expiratory valve assembly groove; the expiratory valve component is matched with the expiratory valve assembling groove and comprises a shell, a vent pipeline arranged in the shell and a heat conducting piece in heat conducting fit with the vent pipeline; when the exhalation valve component is inserted into the exhalation valve assembly groove, the heat conducting piece is in heat conducting fit with the heating body. Through the mode, the ventilation pipeline in the expiration valve component can be heated, and condensate water is prevented from being produced.

Description

Breathing machine and expiratory valve assembly

Technical Field

The application relates to the technical field of medical instruments, in particular to a breathing machine and an exhalation valve assembly.

Background

In modern clinical medicine, a ventilator has been widely used in respiratory failure due to various reasons, anesthesia and breathing management during major surgery, respiratory support therapy and emergency resuscitation as an effective means for manually replacing the function of spontaneous ventilation, and has a very important position in the modern medical field. The breathing machine is a vital medical device which can prevent and treat respiratory failure, reduce complications and save and prolong the life of a patient.

During the operation of the respirator, warm and humid air exhaled by a patient is likely to be cooled in the exhalation valve assembly of the respirator to form condensed water. For infants, the exhalation valve condensate phenomenon is particularly severe.

SUMMERY OF THE UTILITY MODEL

The application mainly provides a breathing machine and an expiratory valve component, and can solve the problem that condensate water is easy to generate in the expiratory valve component in the prior art.

In order to solve the technical problem, a first aspect of the present application provides a ventilator, which includes a main body and an expiratory valve assembly, wherein the main body is provided with an expiratory valve assembly groove, and a heating element is arranged in the expiratory valve assembly groove; the expiratory valve component is matched with the expiratory valve assembling groove and comprises a shell, a vent pipeline arranged in the shell and a heat conducting piece in heat conducting fit with the vent pipeline; when the exhalation valve component is inserted into the exhalation valve assembly groove, the heat conducting piece is in heat conducting fit with the heating body.

The breathing machine also comprises an elastic piece, and the elastic piece is used for enabling the heating body to be elastically attached to the heat conducting piece.

The heating body is a metal sheet, and the elastic piece is a silica gel pad arranged on the periphery of the metal sheet.

The shell is provided with a window, the heat conducting piece is assembled through the window and is fixed with the air duct or the shell, and the air duct is a metal duct or a plastic duct.

The cross section of the vent pipeline is circular, and the inner surface of the heat conducting piece is an arc surface matched and attached with the vent pipeline.

The outer surface of the heat conducting piece is a plane matched and attached with the heating body.

In order to solve the technical problem, the second aspect of the present application provides an exhalation valve assembly, the exhalation valve assembly includes the casing, locates breather pipe in the casing, with breather pipe heat conduction complex heat-conducting piece, wherein, when expiration valve assembly cartridge was in the exhalation valve assembly groove of exhaling machine, heat-conducting piece with the heat-generating body heat conduction cooperation that sets up in the exhalation valve assembly groove.

The shell is provided with a window, the heat conducting piece is assembled through the window and fixed with the air duct, the air duct is provided with a blind hole, and the heat conducting piece is provided with a fixing hole corresponding to the blind hole.

The periphery of the window is provided with a first assembling step, and the heat conducting piece is provided with a second assembling step matched with the first assembling step to form flush assembly.

The beneficial effect of this application is: be different from prior art's condition, the main body of this application is equipped with expiratory valve assembly groove, is equipped with the heat-generating body in the expiratory valve assembly groove, and expiratory valve subassembly matches with expiratory valve assembly groove, and the expiratory valve subassembly includes the casing, locates the breather pipe in the casing, with breather pipe heat conduction complex heat-conducting piece, and when expiratory valve subassembly cartridge was in the expiratory valve assembly groove, heat-conducting piece and heat-conducting body heat conduction cooperation realized the heating to the breather pipe, prevented that expiratory valve subassembly temperature from crossing excessively and producing the comdenstion water.

Drawings

FIG. 1 is a schematic diagram of an embodiment of a ventilator of the present application;

FIG. 2 is an exploded schematic view of an embodiment of the exhalation valve assembly of the present application;

FIG. 3 is a partial schematic view of an embodiment of the ventilator of FIG. 1 of the present application;

FIG. 4 is a schematic structural view of an embodiment of a thermally conductive member of the present application;

figure 5 is a partial schematic view of an embodiment of the exhalation valve assembly of figure 2 of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "first" and "second" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features shown. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those skilled in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the present application, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a ventilator according to the present application. The respirator 10 comprises a main body 11 and an exhalation valve assembly 12, wherein the main body 11 is provided with an exhalation valve assembly groove 111, the exhalation valve assembly 12 is matched with the exhalation valve assembly groove 111, and the exhalation valve assembly 12 is assembled in the exhalation valve assembly groove 111. Wherein, a heating element 13 is arranged in the expiratory valve assembling groove 111.

The ventilator 10 further includes, among other things, an inspiratory valve assembly 16. The main body 11 includes: the first and second

main surfaces

101 and 102 are oppositely arranged, the top and

bottom surfaces

103 and 104 are oppositely arranged, and the first and

second side surfaces

105 and 106 are oppositely arranged, and for the reason of viewing angle, only the first main surface 101, the top surface 103 and the first side surface 105 are visible in the figure, and the second main surface 102, the bottom surface 104 and the second side surface 106 are not visible. An exhalation valve mounting groove 111 is formed concavely in the adjoining region of the top surface 103 and the first side surface 105, and a hanging groove for hanging the inhalation valve assembly 16 is provided in the exhalation valve mounting groove 111 of the main body 11, and the inhalation valve assembly 16 is hung in the hanging groove and is inserted into the exhalation valve mounting groove 111.

The above-mentioned first main surface 101 and second main surface 102, the oppositely disposed top surface 103 and bottom surface 104, and the oppositely disposed first side surface 105 and second side surface 106 are only divided from the spatial position where they are located, and are not meant to be separated from each other, for example, the first main surface 101 may be integrally formed with the first side surface 105, and the second main surface 102 may be integrally formed with the second side surface 106.

Referring to fig. 2, fig. 2 is an exploded view of an embodiment of the exhalation valve assembly of the present application. The exhalation valve assembly 12 includes a housing 121, a ventilation tube 122, and a heat conducting member 123, wherein the ventilation tube 122 is disposed in the housing 121, and the heat conducting member 123 is disposed in heat-conducting engagement with the ventilation tube 122. When the exhalation valve assembly 12 is inserted into the exhalation valve assembly groove 111, the heat conducting member 123 is in heat-conducting engagement with the heat generating body 13. So, accessible heat-generating body 13 generates heat to and heat-conducting member 123 conducts the heat of heat-generating body 13 to breather pipe 122, realize heating breather pipe 122, make the pipe wall temperature of breather pipe 122 rise, reduce or eliminate the pipe wall of breather pipe 122 and the temperature difference of patient's expired gas, avoid producing the comdenstion water in the expiratory valve subassembly 12.

Wherein, be equipped with the heat-generating body 13 respectively in the both sides of expiratory valve assembly groove 111, can assemble heat-conducting member 123 respectively in the both sides of air duct 122 for air duct 122 can heat in both sides, is heated more evenly and comprehensively.

Wherein the exhalation valve assembly 12 may be made of a high temperature resistant material for high temperature sterilization.

In one possible embodiment, please refer to fig. 3, fig. 3 is a partial schematic view of an embodiment of the ventilator shown in fig. 1 according to the present application. The respirator 10 further comprises an elastic member 15, wherein the elastic member 15 is disposed on the main body 11 and around the heating element 13, so that when the exhalation valve assembly 12 is inserted into the exhalation valve assembly slot 111, the elastic member 15 is compressed. Therefore, on one hand, the heating element 13 and the heat conducting piece 123 can be elastically attached to each other, and the heat conduction effect is improved; on the other hand, the exhalation valve assembly 12 can be elastically engaged with the sidewall of the exhalation valve assembly groove 111, so that the exhalation valve assembly 12 is fixed in the exhalation valve assembly groove 111 and is not easy to loosen, and is not easy to shake and generate noise when the respirator 10 is moved.

The heating element 13 may be a metal sheet, and the elastic member 15 is a silicone pad provided around the heating element 13. The metal is a good conductor of heat, has a beneficial heat conducting property, and can endure high temperature, and the embodiment uses the metal sheet as the heating body 13, and the heating effect is good. The silica gel has excellent high temperature resistance, and is not easy to change the performance or the shape when being heated.

The heating body 13 is connected with a heating module inside the expiratory valve component 12 through a connecting line, and the heating module works to heat, and the circuit connection mode of the heating module is not shown in the figure.

Referring to fig. 2, the housing 121 is provided with a window 124, the heat conducting member 123 is assembled through the window 124 and fixed to the air duct 122 or the housing 121, and the air duct 122 is a metal duct or a plastic duct.

Referring to fig. 4, the heat conducting member 123 may include a connecting block 51, an absorber plate 52 and a heat releasing plate 53, wherein the absorber plate 52 is planar, the heat releasing plate 53 is arc-planar, and the absorber plate 52 and the heat releasing plate 53 are connected to two sides of the connecting block 51, after the exhalation valve assembly 12 is assembled in the exhalation valve assembling groove 111 through the heat conducting member 123, the absorber plate 52 absorbs heat and transfers the heat to the ventilation pipeline 122 in the exhalation valve assembly 12 through the connecting block 51 and the heat releasing plate 53.

Wherein the heat conducting member 123 comprises an inner surface 31 and an outer surface 32, the inner surface 31 being visible and the outer surface 32 being invisible for reasons of viewing angle. The inner surface 31 is arranged on the heat releasing plate 53, the outer surface 32 is arranged on the heat absorbing plate 52, after the heat conducting member 123 is assembled, the inner surface 31 is positioned in the shell 121 and is closely attached to the outer wall of the ventilation pipeline 122, when the exhalation valve assembly 12 is assembled in the exhalation valve assembling groove 111, the outer surface 32 is positioned outside the shell 121 and is elastically closely attached to the heating element 13, so that the heat conducting member 123 and the ventilation pipeline 122 are fixed, and the heating element 13 can heat the ventilation pipeline 122 through the heat conducting member 123.

A groove 33 is formed between the outer surface 32 and the inner surface 31, when the exhalation valve assembly 12 is assembled in the exhalation valve assembly groove 111, a part of the housing around the window 124 is clamped in the groove 33, so that the heat conducting member 123 and the housing 121 are relatively fixed, the heat conducting member 123 can be tightly attached to the heating element 13 through elasticity, and the housing 121 is fixed through the relatively fixed relation between the heat conducting member 123 and the housing 121, thereby preventing the exhalation valve assembly 12 from shaking when the respirator 10 is moved, and further preventing noise from being generated or the exhalation valve assembly 12 from being loosened out of the exhalation valve assembly groove 111.

The cross section of the ventilation duct 122 may be circular, the inner surface 31 of the heat conducting member 123 is an arc surface which is matched and attached to the ventilation duct 122, so that the inner surface 31 is completely attached to the ventilation duct 122, the heat conduction effect is improved, and, when the exhalation valve assembly 12 is assembled in the exhalation valve assembly slot 111, the ventilation duct 122 and the heat conducting member 123 are better fixed, so that the exhalation valve assembly 12 is better fixed in the exhalation valve assembly slot 111.

The outer surface 32 is a plane matched and attached with the heating element 13, so that the heat conducting member 123 is completely attached with the heating element 13, and the heat conducting effect is improved.

In a possible embodiment, with continued reference to fig. 2, the ventilation duct 122 has a blind hole 21, the heat-conducting member 123 has a fixing hole 34 corresponding to the blind hole 21, and the heat-conducting member 123 can be detachably fixed to the ventilation duct 122 through the blind hole 21 and the fixing hole 34, so as to prevent the heat-conducting member 123 from loosening.

The fixing hole 34 provided in the heat conductive member 123 penetrates the inner surface 31 and the outer surface 32. In a specific embodiment, two fixing holes 34 are provided per heat-conducting member 123.

Referring to fig. 4 and 5 in combination, fig. 5 is a partial schematic view of an embodiment of the exhalation valve assembly of fig. 2 according to the present application. The periphery of windowing 124 is equipped with first assembly step 41, and heat-conducting member 123 is equipped with the second assembly step 35 with first assembly step 41 matching to after heat-conducting member 123 assembles, heat-conducting member 123 forms the parallel and level assembly with casing 121, makes heat-conducting member 123 and casing 121 highly laminate, prevents that casing 121 from rocking.

In one embodiment, the exhalation valve assembly 12 may further include a vent adapter 125, wherein one end of the vent adapter 125 is connected to the vent tube 122, and the other end of the vent adapter 125 may be externally connected to a gas delivery tube for gas delivery. The exhalation valve assembly 12 further includes a limiting member 127, wherein the limiting member 127 is detachably connected to the exhalation valve assembly 12 and is used for being engaged with the ventilation joint 125, so as to prevent the ventilation joint 125 from sliding relatively to the ventilation pipe 122 due to being pulled by an external force, or even from loosening and falling off.

In an embodiment, the exhalation valve assembly 12 may further include a locking assembly 126, the locking assembly 126 includes a hook 61, a notch 128 is disposed at a corresponding position of the housing 121, and the locking assembly 126 may be exposed through the notch 128, so that when the exhalation valve assembly 12 is assembled in the exhalation valve assembly slot 111, the fastening assembly disposed on the sidewall of the exhalation valve assembly slot 111 may be fastened and assembled with the hook 61, so as to fix the exhalation valve assembly 12 to the exhalation valve assembly slot 111, and the exhalation valve assembly 12 is not easy to fall off.

In the embodiment, the heating element 13 is arranged in the exhalation valve assembly groove 111, and the heat of the heating element 13 is conducted to the ventilation pipeline 122 positioned in the exhalation valve assembly groove 111 through the heat conducting piece 123, so that the ventilation pipeline 122 is heated, and the exhalation valve assembly 12 is prevented from generating condensed water due to low temperature.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings, or which are directly or indirectly applied to other related technical fields, are intended to be included within the scope of the present application.

Claims

1. A ventilator, characterized in that the ventilator comprises:

the main machine body is provided with an expiratory valve assembling groove, and a heating body is arranged in the expiratory valve assembling groove;

the exhalation valve assembly is matched with the exhalation valve assembling groove and comprises a shell, a ventilation pipeline arranged in the shell and a heat conducting piece in heat conducting fit with the ventilation pipeline;

when the expiratory valve component is inserted into the expiratory valve assembling groove, the heat conducting piece is in heat conducting fit with the heating body.

2. The respirator of claim 1, further comprising an elastic member for elastically urging the heat generating body against the heat conductive member.

3. The respirator of claim 2, wherein the heating element is a metal sheet, and the elastic element is a silica gel pad arranged on the periphery of the metal sheet.

4. The ventilator of claim 1, wherein the housing has a window, the heat conducting member is assembled through the window and fixed to the ventilation conduit or the housing, and the ventilation conduit is a metal conduit or a plastic conduit.

5. The ventilator of claim 4, wherein the cross-section of the ventilation conduit is circular, and the inner surface of the heat-conducting member is a curved surface that mates with the ventilation conduit.

6. The ventilator of claim 1, wherein the outer surface of the heat conducting member is a flat surface that fits against the heating element.

7. The exhalation valve assembly is characterized by comprising a shell, a vent pipe arranged in the shell and a heat conducting piece in heat conducting fit with the vent pipe, wherein when the exhalation valve assembly is inserted into an exhalation valve assembly groove of a respirator, the heat conducting piece is in heat conducting fit with a heating body arranged in the exhalation valve assembly groove.

8. An exhalation valve assembly according to claim 7, wherein the housing is provided with a window, the heat-conducting member being fitted through the window and secured to the vent conduit, the vent conduit being provided with a blind hole, the heat-conducting member being provided with a securing hole corresponding to the blind hole.

9. An exhalation valve assembly according to claim 7, wherein the fenestration is provided with a first mounting step at its periphery and the heat-conducting member is provided with a second mounting step that mates with the first mounting step to form a flush mounting.