CN216124995U - Breathing machine - Google Patents

Abstract

The utility model relates to a respirator, comprising a housing and a filter element. An airflow channel and a replacement port communicated with the airflow channel are arranged in the shell; the filter element penetrates through the shell through the replacing port, and the filter element can enter and exit the shell along the replacing port under the action of external force; the filter element is in communication with the airflow passageway and is adapted to filter gas in the airflow passageway when the filter element is positioned within the housing. When the filter is used, a user can place the filter element in the shell along the replacing opening of the shell, and the filter element is communicated with the airflow channel to filter the air in the airflow channel. The user can also take out to filter the piece along the change mouth of casing and change in order to filter the structure of piece, changes the filtration piece of breathing machine according to actual need promptly, and the timely change of filtering the piece can ensure its filtering effect to gas flow channel internal gas, promotes the gaseous quality of breathing machine output.

Description

Breathing machine

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a breathing machine.

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. When the breathing machine works, the air inlet of the breathing machine needs to suck a large amount of air into the turbine box from the outside, dust and the like exist in the air, and therefore a device for filtering the air is added to most breathing machines.

However, the filtering device in the conventional respirator has a problem that the quality of the output gas is reduced after the filtering device is used for a period of time.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide a ventilator that addresses the above problems.

A ventilator, comprising:

the air conditioner comprises a shell, wherein an air flow channel and a replacing port communicated with the air flow channel are arranged in the shell; and

the filter element penetrates through the shell through the replacing port, and the filter element can enter and exit the shell along the replacing port under the action of external force;

wherein the filter element is in communication with the airflow path and is configured to filter gas in the airflow path when the filter element is positioned within the housing.

Above-mentioned breathing machine, the user can place the filter piece in the casing along the change mouth of casing when using to make filter piece and airflow channel intercommunication play the filtering action with the gas to among the airflow channel, get rid of the impurity in the gas. The user may also remove the filter element along the replacement opening of the housing to replace the filter element configuration. In other words, the user can change the filter piece of breathing machine according to actual need, and is more nimble in the operation, makes the user have better use experience. The timely replacement of the filtering piece can ensure the filtering effect of the filtering piece on the gas in the gas flow channel, improve the quality of the gas output by the breathing machine and better ensure the health of a user.

In one embodiment, the filter element has a filter end and an air inlet end in communication with the filter end, the filter end being in fluid communication with the air flow passage when the filter element is positioned in the housing, the air inlet end being exposed to the housing through the replacement port. Because the inlet end and the filter end intercommunication of filtering piece and inlet end expose in the casing through changing the mouth, the inlet end can directly communicate with external environment promptly, will filter the piece when the user and arrange the casing in along the change mouth of casing to when making the filter end and the air current passageway intercommunication of filtering piece, external environment's air can get into the filter end along the inlet end, and the air filters the back through the filter end and gets into in the casing air current passageway again.

In one embodiment, the ventilator further comprises a filter element disposed at the filter end, wherein the filter element is configured to filter the gas. The filter element is arranged at the filtering end, so that gas in the gas flow channel can be filtered, and impurities in the gas are removed to improve the gas quality.

In one embodiment, the filter element is fixedly connected to the filter element by welding. Because the filter core sets up with filtering fixedly, the user takes out along the change mouth of casing and filters piece and rather than the filter core of being connected after, only need with new filter piece and filter core by change mouth department arrange in the casing can, need not to carry out other operations, convenient operation and health to the filter core.

In one embodiment, a handle portion is disposed at an end of the filter member away from the housing, and the handle portion is configured to drive the filter member to extend and retract along the replacement port to enter and exit the housing under an external force. The setting of detaining hand portion has made things convenient for the user to the operation of filtering the piece, and when the one end of filtering the piece stretched into in the casing, the user can be through operation detain hand portion and will filter a piece and pull out in the casing, and is more convenient in the operation.

In one embodiment, the handle portion is notched at a circumferential edge thereof. When the one end of filtering piece was arranged in the casing, the user can stretch into the breach of detaining hand and support along the place side of breach and detain hand to the operation is detained hand and is removed in order to drive and filter piece and stretch out in the casing towards the direction of keeping away from the casing.

In one embodiment, the filter element is provided with a blocking portion protruding in the circumferential direction, and when the filter element enters the housing under the action of external force, the filter element is abutted against the housing through the blocking portion. Such a structural arrangement ensures that the filter element is not too far inside the housing when it is placed therein, i.e. that one end of the filter element is located on the surface of the housing for the user to handle it.

In one embodiment, the respirator further comprises a cover plate detachably connected to the housing to abut against a side of the filter element away from the housing when the filter element is located in the housing. When the user will filter and place the mouth in the casing along changing, can also operate the apron and support and hold in filtering one side of keeping away from the casing, and then prevent to filter in the use of breathing machine and deviate from in the casing.

In one embodiment, the shell is provided with a clamping groove, the cover plate is provided with a buckle, and the cover plate is in clamping fit with the clamping groove through the buckle so as to be fixed with the shell.

In one embodiment, the cover plate is provided with a vent groove, and when the cover plate abuts against the filter element, the vent groove is communicated with the replacement port. When the apron is connected with the casing, and the apron supports when holding the one end of keeping away from the casing in filtering piece, because the air channel with change mouthful intercommunication, this can avoid the apron to change the mouth and shelter from, guarantees that the breathing machine in the use, outside gas can get into in the breathing machine through the air channel.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of a respirator according to an embodiment of the present invention, wherein a cover plate is connected to a housing;

FIG. 2 is a perspective view of another embodiment of the present invention, wherein the cover is separated from the housing;

FIG. 3 is a perspective view of an alternative configuration of the ventilator shown in FIG. 2, wherein the filter element is located outside the housing;

FIG. 4 is a perspective view of an exploded view of a ventilator provided in accordance with one embodiment of the present invention;

FIG. 5 is a cross-sectional view of a portion of the ventilator shown in FIG. 4;

FIG. 6 is a perspective view of a filter according to one embodiment of the present invention;

FIG. 7 is a perspective view of another embodiment of a filter element according to the present invention;

fig. 8 is a perspective view of a cover plate according to an embodiment of the present invention.

Reference numerals:

10. respirator 100, housing 101, replacement port

102. Airflow channel 103, clamping groove 200 and filtering piece

210. Filter end 220, air inlet end 230, filter element

231. First filter element 232, second filter element 240 and handle

241. Notch 250, clamping part 300 and cover plate

301. Fastener 302, vent groove 400 and turbine

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

Furthermore, the terms "first", "second" and "first" 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 indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "axial," "radial," "circumferential," "length," "width," "thickness," "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the utility model and for simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the utility model.

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

Where clearly defined and limited, the terms "mounted," "connected," and "secured" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-5, the present application provides a ventilator 10, the ventilator 10 including a housing 100 and a filter 200. Wherein, the casing 100 is provided with a replacing port 101, and the casing 100 is provided with an airflow passage 102 communicated with the replacing port 101. The filter member 200 may be inserted into the housing 100 through the replacement port 101, and the filter member 200 may be configured to be moved into and out of the housing 100 along the replacement port 101 by an external force. Wherein the filter element 200 may be in communication with the gas flow path 102 when the filter element 200 is positioned within the housing 100, and the filter element 200 may be configured to filter gas in the gas flow path 102.

Specifically, in the embodiment shown in fig. 2 and 3, when the user uses the respirator 10, the filter element 200 may be placed in the housing 100 along the replacement port 101 of the housing 100, and the filter element 200 may be communicated with the air flow passage 102 to filter the air in the air flow passage 102 and remove impurities in the air, such as inhalable particles, bacteria and the like in the air. The user can also take out the filter 200 along the replacement port 101 of the housing 100 to replace the structure of the filter 200. In other words, the user can replace the filter 200 of the ventilator 10 according to actual needs, and the operation is more flexible, so that the user has better experience. The timely replacement of the filter element 200 can ensure the filtering effect of the filter element on the gas in the gas flow passage 102, improve the quality of the gas output by the respirator 10, and better ensure the health of the user.

Alternatively, in some embodiments, the replacement opening 101 of the housing 100 may be configured to match the filter element 200 in shape and size, and the configuration may be such that when the filter element 200 is inserted into the replacement opening 101 by a user, the filter element 200 abuts against the surrounding housing 100, thereby preventing the filter element 200 from moving in a radial direction and ensuring that the filter element 200 is more securely engaged with the housing 100.

Referring again to fig. 6, in one embodiment, the filter element 200 has a filter end 210 and an inlet end 220 in communication with the filter end 210. When the filter element 200 is positioned within the housing 100, the filter end 210 is in fluid communication with the airflow path 102 and the inlet end 220 is exposed to the housing 100 through the replacement opening 101.

Because the air inlet end 220 of the filter element 200 is communicated with the filter end 210 and the air inlet end 220 is exposed to the surface of the housing 100 through the replacement port 101, that is, the air inlet end 220 can be directly communicated with the external environment, when a user places the filter element 200 in the housing 100 along the replacement port 101 of the housing 100 and makes the filter end 210 of the filter element 200 communicated with the air flow passage 102, the air in the external environment can enter the filter end 210 along the air inlet end 220, and the air is filtered by the filter end 210 and then enters the air flow passage 102 in the housing 100.

Referring to fig. 6 and 7, the ventilator 10 may further include a filter cartridge 230 disposed at the filter end 210 of the filter element 200, the filter cartridge 230 for filtering gases. The filter element 230 is disposed at the filter end 210 of the filter element 200 to filter the gas in the gas flow path 102 and remove impurities from the gas to improve the gas quality. The filter element 230 may be synthetic fiber filter cotton, non-woven fabric filter cotton, glass fiber filter cotton, activated carbon filter cotton, or the like, and the filter element 230 may also be primary filter cotton, intermediate filter cotton, or the like divided according to different filter efficiencies.

Alternatively, the filter element 230 may be fixedly attached to the filter element 200 by welding, bonding, or the like. For example, in some embodiments, the filter element 230 and the filter element 200 may be fixed by ultrasonic welding to rub the surfaces of the filter element 230 and the filter element 200 against each other to form a fusion between the molecular layers. Because the filter element 230 and the filter element 200 are fixedly arranged, after a user takes out the filter element 200 and the filter element 230 connected with the filter element along the replacing port 101 of the shell 100, only a new filter element 200 and a new filter element 230 are required to be disposed in the shell 100 through the replacing port 101, no additional operation is required to be performed on the filter element 230, and the operation is convenient and sanitary.

Alternatively, the filter element 230 may be removably attached to the filter element 200. For example, the connection between the filter cartridge 230 and the filter element 200 may be a snap-fit connection or a snap-fit connection. Therefore, if the user wants to use one filter element 200 repeatedly, the filter element 230 of the filter element 200 can be replaced selectively to maintain the good filtering effect of the filter element 200 on the gas.

Referring to fig. 5, 6, and 7, the filter element 230 may be disposed at least on a side of the filter end 210 of the filter element 200 that communicates with the airflow passage 102 in the housing 100. Due to the structural arrangement, the air passing through the filtering end 210 of the filtering piece 200 can enter the air flow channel 102 after being filtered by the filter element 230, so that the filtering effect of the filtering piece 200 on the air is further ensured, and the air quality is improved.

Specifically, in the embodiment shown in fig. 5 and 6, the filtering end 210 of the filtering member 200 is substantially rectangular parallelepiped, the first filter element 230 is disposed at the lower side of the filtering end 210, the second filter element 232 is disposed at the side adjacent to the lower side, and both the lower side of the filtering end 210 and the side adjacent to the lower side are communicated with the airflow passage 102 of the housing 100. The arrangement can increase the air inflow, and ensure that the air can enter the air flow channel 102 after being filtered by the first filter element 231 and the second filter element 232, thereby ensuring the air quality.

Referring to fig. 7, an end of the filter 200 away from the housing 100 may be provided with a handle 240, and the handle 240 is configured to move the filter 200 along the replacement opening 101 of the housing 100 to enter or exit the housing 100 under an external force.

Specifically, in the embodiment shown in fig. 2 and 7, the gripping portion 240 is formed with a notch 241 concavely formed in a circumferential edge thereof, and it can be considered that the replacement port 101 of the housing 100 is structurally spaced from a side of the gripping portion 240 where the notch 241 is formed. When the filter element 200 is inserted into the housing 100 through the replacement opening 101, the side of the gripping portion 240 facing away from the housing 100 is exposed. The notch 240 is shaped and sized to allow a user's finger to extend into the notch 241 and abut against the handle portion 240 along the side of the notch 241, thereby facilitating the user to operate the handle portion 240 to pull the filter element 200 out of the replacement opening 101 of the housing 100. In other words, when the filter end 210 of the filter element 200 is inserted into the housing 100, the user can pull the filter element 200 out of the housing 100 by operating the handle 240, which is more convenient in operation.

Referring to fig. 6 and 7 in combination with fig. 2 and 3, the filter element 200 may be formed with a retaining portion 250 protruding in the circumferential direction, and when the filter element 200 enters the housing 100 under the action of external force, the filter element 200 is supported against the housing 100 by the retaining portion 250.

Specifically, in the embodiment shown in fig. 6 and 7, the blocking portions 250 are provided at one end of the filter member 200 close to the air inlet end 220, and the number of the blocking portions 250 is two, and the two blocking portions 250 are distributed on opposite sides of the filter member 200 in a substantially vertical direction. The structure of the housing 100 at the replacement opening 101 is adapted to the shape and size of the detent portion 250. This arrangement allows the filter element 200 to be placed within the housing 100 without extending too far, i.e., the surface of the filter element 200 on which the gripping portion 240 is located on the housing 100 facilitates handling thereof by the user.

Referring to fig. 4 and 5, in some embodiments, the ventilator 10 may further include a turbine 400 disposed in the housing 100, the turbine 400 being in communication with the gas flow passage 102 of the housing 100, and the turbine 400 is controlled to operate to drive the flow of gas during the use of the ventilator 10, so as to assist the patient in breathing.

Referring to fig. 1, 2, and 3, the ventilator 10 may further include a cover plate 300, wherein the cover plate 300 may be removably coupled to the housing 100 to abut a side of the filter 200 remote from the housing 100 when the filter 200 is positioned within the housing 100.

In some embodiments, the cover plate 300 may be detachably connected to the housing 100 by means of a screw connection.

In other embodiments, the cover plate 300 may be detachably slid into the sliding groove or the sliding rail to connect with the housing 100 by providing the sliding groove or the sliding rail on the housing 100.

In the embodiment shown in fig. 1, 2, 3 and 8, the housing 100 is provided with a locking groove 103 at a side of the replacement opening, the cover plate 300 is provided with a buckle 310 structurally matched with the locking groove 103, and the cover plate 300 can be locked with the locking groove 103 through the buckle 310 to be fixed with the housing 100. When the user places the filter 200 into the housing 100 along the replacement opening 101, the latch 310 of the cover 300 is engaged with the latch slot 103 of the housing 100, so that the cover 300 is fixed relative to the housing 100 and abuts against the side of the filter 200 away from the housing 100, thereby preventing the filter 200 from being removed from the housing 100 during the use of the respirator 10.

Further, in the embodiment shown in fig. 1 and 2, the cover plate 300 is connected to the housing 100 and abuts against an end of the filter element 200 away from the housing 100, and the cover plate 300 is provided with a vent groove 320 near the replacement port 101 of the housing 100. When the cover plate 300 is connected to the housing 100 and abuts against the end of the filter element 200 away from the housing 100, the vent groove 320 is disposed to prevent the cover plate 300 from blocking the replacing port 101, so as to ensure that the outside air can enter the respirator 10 through the vent groove 320 during the use of the respirator 10.

Alternatively, the number of the hooks 310 on the cover plate 300 may be multiple, and the number of the detent grooves 103 on the housing 100 may also be multiple and correspond to the number and positions of the hooks 310 on the cover plate 300, that is, each hook 310 may be engaged with at least one detent groove 103 to achieve the fixation of the cover plate 300 and the housing 100.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

In the description herein, references to the description of "an embodiment," "other embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, a schematic description of the above terminology may not necessarily refer to the same embodiment or example. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

Claims (10)

1. A ventilator, comprising:

the air conditioner comprises a shell, wherein an air flow channel and a replacing port communicated with the air flow channel are arranged in the shell; and

the filter element penetrates through the shell through the replacing port, and the filter element can enter and exit the shell along the replacing port under the action of external force;

wherein the filter element is in communication with the airflow path and is configured to filter gas in the airflow path when the filter element is positioned within the housing.

2. The respirator of claim 1, wherein the filter element has a filter end in fluid communication with the airflow path when the filter element is positioned in the housing and an inlet end in communication with the filter end, the inlet end being exposed to the housing through the replacement port.

3. The ventilator of claim 2 further comprising a filter element disposed at said filter end, said filter element for filtering said gas.

4. The respirator of claim 3, wherein the filter element is fixedly attached to the filter element by welding.

5. A respirator according to any one of claims 1 to 3, wherein the end of the filter element remote from the housing is provided with a gripping portion arranged to enable the filter element to be telescoped along the replacement opening into and out of the housing by an external force.

6. The ventilator of claim 5, wherein the handle portion is notched at a circumferential edge.

7. The respirator according to any one of claims 1 to 3, wherein the filter member is formed with a detent portion protruding in the circumferential direction, and when the filter member is inserted into the housing by an external force, the filter member is held against the housing by the detent portion.

8. The respirator of any one of claims 1 to 3, further comprising a cover plate that is removably attachable to the housing to abut a side of the filter element remote from the housing when the filter element is positioned within the housing.

9. The respirator of claim 8, wherein the housing defines a locking slot, and the cover defines a latch for engaging with the locking slot to secure the cover to the housing.

10. The respirator of claim 8, wherein the cover plate has a vent channel, and the vent channel communicates with the replacement port when the cover plate abuts against the filter element.

Images