TWM557616U - Silencer structure for a negative pressure sleep apnea treatment apparatus - Google Patents

Abstract

A silencer structure for a negative pressure sleep apnea treatment apparatus is provided, in which several divisions formed in the silencer to constitute a fluid communication path with many twists and turns, and the fluid communication path provides a lengthened sound propagation path in the silencer. When sound propagates through the fluid communication path, sound amplitude decay is obtained. The silencer associated with a vacuum pump of the negative pressure sleep apnea treatment apparatus can reduce noise of the vacuum pump in operation.

Description

Silencing structure of negative pressure sleep breathing suspension treatment device

The present invention relates to a sound absorbing structure of a negative pressure sleep breathing abortion treatment device.

Obstructive Sleep Apnea (OSA), hypopnea (Hypernea), and Upper Airway Resistance Syndrome (UARS) are caused by complete or partial obstruction of the upper respiratory tract during sleep, during anesthesia, or after anesthesia. A variety of symptoms, they can cause a disruption of breathing during sleep and a serious crisis of hypoxia in the blood. Patients with OSA, hypopnea and/or UARS are often repeatedly awakened due to insufficient oxygen during sleep, resulting in fragmental sleep and poor sleep quality.

The most common treatment for patients with sleep-disordered breathing is the use of a Constant Positive Airway Pressure (CPAP) Machine. Positive pressure breathing apparatus consists of a mask, a pump and a humidifier. The positive pressure respirator continuously blows high pressure air into the patient's nasal passages to keep the patient's airway clear during sleep. Positive pressure respirators are quite effective, but they can cause unpleasant side effects such as dry throat and blocked nasal passages. Patients who use positive pressure respirators often experience swelling and headaches in the morning. It has low adaptability due to the serious side effects it causes.

Another treatment method is to apply a negative pressure in the patient's mouth, and use a negative pressure to pass into the front end of the user's mouth, usually at the back of the lip or lip, and pull the tongue forward by negative pressure to pull the tongue out. The back end is away from the back of the respiratory tract. Oral devices that use negative oral pressure typically use a vacuum pump to provide a vacuum source, but when the vacuum pump is running Noise often interferes with the patient's sleep, making noise reduction a problem that needs to be solved with a negative pressure sleep breathing therapy device.

The present invention provides a muffling structure for a negative pressure sleep breathing abortion treatment device, which is provided with a fluid communication wraparound compartment inside the structure to prolong the acoustic wave transmission path to achieve the effect of sound wave amplitude attenuation, and then connect to the sleep breathing through the muffling structure. Stop the negative pressure pump of the treatment device to reduce the noise generated during the operation of the negative pressure pump.

In one aspect, the present invention provides a sound absorbing structure for a negative pressure sleep breathing abortion treatment device, which includes a housing and a plurality of partitions; the housing has an air inlet end and an air outlet end, respectively a wall surface of the housing, wherein the air inlet end and the air outlet end are in fluid communication with the interior of the housing, and the partitions are disposed inside the housing and each of the partitions is coupled to the housing A wall surface facilitates partitioning the interior of the housing into a plurality of mutually fluidly connected compartments, the inlet end being in fluid communication with the outlet end.

In one aspect, the present invention provides a sleep apnea treatment device having a muffling structure, comprising a mouth interface, a negative pressure generating device and a sound absorbing structure; the mouth mask having a gas flow tube through the mouth interface fluid Connected to the user's mouth; the negative pressure generating device has an intake line and an exhaust line, the intake line is in fluid communication with the air flow tube of the oral interface; the sound attenuating structure comprises a casing and a plurality of a partition; the housing has an air inlet end and an air outlet end respectively disposed on a wall surface of the housing, and the air inlet end and the air outlet end are in fluid communication with the interior of the housing, the partition Provided inside the casing and each of the partitions is connected to at least one wall surface of the casing, thereby facilitating partitioning the interior of the casing into a plurality of mutually fluidly connected compartments, the intake end and the outlet end Fluidly connected to the compartments. The exhaust line of the negative pressure generating device is in fluid communication with the intake end of the muffling structure, and the exhaust end of the muffling structure is in fluid communication with the surrounding environment.

According to an embodiment of the present invention, at least one of the spacers has at least An L-shaped configuration.

According to an embodiment of the present invention, at least one of the spacers has a wave plate configuration.

According to an embodiment of the present invention, at least one of the spacers has a plurality of bent plate configurations.

According to an embodiment of the present invention, the spacers are L-shaped plates and are disposed in pairs and spaced apart from each other correspondingly to opposite inner sidewalls of the housing.

According to an embodiment of the present invention, the partitions are vertically coupled to the wall surface of the housing.

According to an embodiment of the present invention, the partitions are respectively in an obliquely coupled relationship with the wall surface of the housing.

According to an embodiment of the present invention, the sound absorbing structure further comprises a porous sound absorbing material filled in the compartments.

According to an embodiment of the present invention, the length of the air outlet end of the sound absorbing structure extending in the sound absorbing structure housing is greater than the length of the air inlet end extending in the housing.

According to an embodiment of the present invention, the sound absorbing structure is closely attached to the inner side wall of the main body casing of the present sleep breathing stop treatment device to prevent sound waves from resonating between the sound absorbing structure and the main body casing.

According to the above, the present invention is configured to fluidly communicate the intake line of the negative pressure generating device with the oral interface coupled to the oral cavity of the user, and the exhaust line thereof is in fluid communication with the intake end of the muffling structure, and The exhaust end portion of the muffling structure is fluidly connected to the surrounding environment, thereby reducing noise generated by the intake end and the exhaust end during operation of the negative pressure generating device by the muffling structure, and sucking air from the user's mouth Discharge to the surrounding environment to create a negative pressure environment in the user's mouth, which is conducive to keeping the user's upper airway open.

The foregoing aspects and other aspects of the present invention will be more apparent from the following detailed description of the embodiments of the invention. The following is a description of the pattern The specific implementation of Mingben's creation; however, it should be understood that the components indicated in these drawings are for illustrative purposes, and do not represent the actual size and proportion, and are simple for the sake of understanding, part of The drawing of the conventional elements is omitted in the drawings.

10, 30‧‧ ‧ silencer structure

40‧‧‧Negative pressure sleep breathing stop treatment device

42‧‧‧ mouth interface

44, 64‧‧‧ Negative pressure generating device

46‧‧‧容

100‧‧‧shell

102, 302‧‧‧ intake end

104, 304‧‧‧Exhaust end

121, 122, 123, 124, 126‧ ‧ partition

300‧‧‧ first housing

306‧‧‧Second housing

308‧‧‧Exhaust line

321, 322, 324, 326 ‧ ‧ partition

330‧‧‧ Sound absorbing materials

400‧‧‧shell

422‧‧‧ airflow tube

424‧‧‧Open end

440‧‧‧Intake line

442, 642‧‧‧ exhaust line

600‧‧‧shell

800‧‧‧ wave board

900‧‧‧Multiple bending plates

1000a, 1000b‧‧‧L-shaped board

The first figure is a perspective view of a first embodiment of the present muffling structure.

The second figure is a front view of the first figure silencing structure.

The third figure is a front view of a second embodiment of the present muffling structure.

The fourth figure is a top view of the negative pressure type sleep breathing suspension treatment device using the first figure silencing structure after removing the main body cover body, wherein the direction of the intake air flow of the negative pressure generating device is displayed.

The fifth figure is a top view of the negative pressure type sleep breathing suspension treatment device using the first figure silencing structure after removing the main body cover body, wherein the direction of the exhaust gas flow of the negative pressure generating device is displayed.

The sixth figure is a top view of the negative pressure type sleep breathing suspension treatment device using the third figure silencing structure after removing the main body cover body, wherein the direction of the exhaust gas flow of the negative pressure generating device is shown.

The seventh figure is an enlarged view of the 6a area shown in the sixth figure.

The eighth figure shows a front view of a variation of the present muffling structure.

The ninth diagram shows a front view of another variation of the present muffling structure.

The tenth figure shows a front view of still another variation of the present muffling structure.

The specific embodiments are described below to explain in detail the content of the creation of the case, and the drawings are used as an auxiliary explanation. The symbols mentioned in the description are referenced to the schematic symbols. It is worth noting that the "include" mentioned in the description is an open term and should be interpreted as "package". Contains, but is not limited to."

The first figure is a perspective view of the first embodiment of the present muffling structure, and the second figure is a front view of the muffling structure. In the first specific embodiment of the present invention, the sound absorbing structure 10 includes a casing 100 and a plurality of partitions 121, 122, 123, 124, 125 and 126, wherein the partitions 121, 122, 123, 124, 125 and 126 is disposed inside the housing 100 and each of the partitions 121, 122, 123, 124, 125, and 126 is coupled to at least one wall surface of the housing 100 to facilitate partitioning the interior of the housing 100 into a plurality of mutual fluids. Connected compartments to form a roundabout fluid transport path. In an embodiment of the present invention, the partitions 121, 122, 123, 124, 125, and 126 are in a vertical coupling relationship with the wall surface of the housing 100. In an embodiment of the present invention, at least one of the spacers 121, 122, 123, 124, 125, and 126 has at least one L configuration. The housing 100 has an air inlet end portion 102 and an air outlet end portion 104 respectively disposed on a wall surface of the housing 100, and the air inlet end portion 102 and the air outlet end portion 104 are in fluid communication with the interior of the housing 100. The compartments that are in fluid communication with one another.

The fourth figure is a top view showing the direction of the intake air flow of the negative pressure generating device in the use state after the negative pressure type sleep breathing stop treatment device 40 having the present muffling structure 10 is removed. The fifth figure is a top view showing the direction of the exhaust gas flow of the negative pressure generating device in the use state after the negative pressure type sleep breathing stop treatment device 40 removes the main body cover. The negative pressure sleep breathing stop treatment device 40 includes an oral interface 42 , a negative pressure generating device 44 and a sound absorbing structure 10 , wherein the negative pressure generating device 44 and the sound absorbing structure 10 are placed inside a host casing 400 . The oral interface 42 has an air flow conduit 422 in fluid communication with the intake line 440 of the negative pressure generating device 44. The exhaust line 442 of the negative pressure generating device 44 is in fluid communication with the intake end portion 102 of the sound absorbing structure 10, and the air outlet end portion 104 of the sound absorbing structure 10 is connected to an air outlet line 106 through which the air is discharged. The gas line 106 fluidly communicates the bypassed fluid transport path within the muffling structure 10 to the surrounding environment. In the state of use, the negative pressure sleep breathing therapy device 40 is in fluid communication with the user's mouth through an open end 424 of the airflow tube 422 to facilitate the user's mouth and the negative pressure. The device 44 forms a negative pressure path with the intake line 440 via the gas flow tube 422. After the negative pressure generating device 44 is activated, the air in the user's mouth enters the intake end of the negative pressure generating device 44 via the negative pressure path via the direction of the air flow indicated by the arrow A, thereby facilitating the negative pressure of the user's mouth. Environment, and pull the tongue forward by oral negative pressure to pull the back end of the tongue away from the back of the airway to keep the upper airway clear during sleep. The air drawn from the user's mouth enters the bypassed fluid transport path formed by the compartments 121, 122, 123, 124, 125, and 126 via the exhaust line 442 of the negative pressure generating device 44 into the interior of the muffling structure 10. The air outlet line 106 connected to the air outlet end 104 via the sound absorbing structure 10 discharges air extracted from the user's mouth to the surrounding environment. The direction indicated by the arrow B in the fifth figure represents the direction of the exhaust gas flow of the negative pressure generating device 44. When the airflow passes through the fluid transport path bypassed inside the muffling structure 20, the noise sound wave generated by the operation of the negative pressure generating device 44 is transmitted to The fluid transmission path extends the acoustic wave transmission path through the winding path, thereby achieving the effect of attenuating the amplitude of the acoustic wave to reduce the noise generated by the operation of the negative pressure generating device 44.

In an embodiment of the present invention, the sound absorbing structure 10 may be filled with sound absorbing materials (not shown), such as a porous sound absorbing material, to absorb sound transmitted through the fluid transport path. Improve noise reduction. The porous sound absorbing materials of the present invention are, for example, glass fibers, felts, foams, rubbers, foams, fibrous structures, and sintered metal and ceramic materials. In one embodiment of the present invention, thick and porous materials can be used to absorb high and low frequency sounds.

In an embodiment of the present invention, the length of the air outlet end 104 of the sound absorbing structure 10 extending in the sound absorbing structure housing 100 is greater than the length of the air inlet end portion 102 extending in the housing 100 to increase noise. The diffraction path allows the noise to enter the large volume through a small aperture to produce a noise reduction function.

In an embodiment of the present invention, the sound absorbing structure 10 can be placed against the inner side wall of the main body casing 400 to avoid resonance between the muffling structure 10 and the main body casing 400, and the negative The intake line 440 of the pressure generating device 44 From the underside of the sound absorbing structure 10, the gas flow tube 422 is connected to the oral interface 42.

In an embodiment of the present invention, a housing 46 for mounting a power supply source (eg, a rechargeable battery) may be disposed in the main body casing 400 of the negative pressure sleep breathing abortion treatment device 40. In addition, a control unit, a circuit board, and the like may be mounted inside the main body casing 400.

The third figure is a front view of a second embodiment of the present muffling structure. In the second embodiment of the present invention, the sound absorbing structure 30 includes a first housing 300, a second housing 306, and a plurality of partitions 321, 322, 324, and 326. The second housing 306 is embedded in the first housing 300, and the partitions 321 , 322 , 324 , and 326 are obliquely embedded in the inner side wall of the second housing 306 to facilitate the second The interior of the housing 306 is divided into a plurality of circuitous compartments that are in fluid communication with each other, through which the bypassed fluid transport path is formed within the second housing 306. The sound absorbing structure 30 has an air inlet end portion 302 and an air outlet end portion 304 respectively disposed on a wall surface of the first housing 300, and the air inlet end portion 302 and the air outlet end portion 304 are in fluid communication with the second shell. The fluid transport pathway inside the body 306. In an embodiment of the present invention, the partitions 321, 322, 324, and 326 may be integrally formed with the second housing 306. In an embodiment of the present invention, the second housing 306 can be omitted, and the partitions 321 , 322 , 324 , and 326 can be obliquely embedded on the inner sidewall of the first housing 300 or the first The housing 300 is integrally formed. In an embodiment of the present invention, the compartments separated by the partitions 321, 322, 324, and 326 may be filled with a sound absorbing material 330, such as a porous sound absorbing material, to absorb sound transmitted through the fluid transport path. To enhance the noise reduction effect. The porous sound absorbing material is, for example, glass fiber, felt, foam, rubber, foamed rubber, fibrous structure, sintered metal and ceramic material, and the like. In one embodiment of the present invention, thick and porous materials can be used to absorb high and low frequency sounds. In an embodiment of the present invention, the length of the air outlet end 304 of the sound absorbing structure 30 extending in the second housing 306 of the sound absorbing structure is greater than the length of the air inlet end 302 extending in the second housing 306. In order to increase the noise diffraction path, the noise enters a large volume through a small aperture to produce a noise reduction function.

The sixth figure is a top view of the internal interior of the host after the negative cover type sleep breathing stop treatment device of the third figure silencing structure 30 is used to remove the main body cover. The seventh drawing is an enlarged view of the area 6a shown in the sixth drawing, in which the direction of the exhaust gas flow of the negative pressure generating means is shown. The sound absorbing structure 30 and a negative pressure generating device 64 are disposed in the housing 600 of the negative pressure sleep breathing abortion treatment device shown in FIG. 6, and the mouth interface and its connection relationship with the negative pressure generating device 64 are The negative pressure sleep breathing abortion treatment device 40 is the same, and is omitted in the sixth figure for the sake of simplicity and clarity of the drawing. The exhaust line 642 of the negative pressure generating device 64 is connected to the air inlet end 302 of the sound absorbing structure 30, and the air outlet end 304 of the sound absorbing structure 30 is connected to an air outlet line 308 for benefiting the sound absorbing structure. The fluid transport path within 30 is in fluid communication with the surrounding environment through the gas outlet conduit 308. Referring to the seventh figure, the negative pressure generating device 64 draws air from the user's mouth into the compartment of the sound absorbing structure 30 separated by the partitions 321, 322, 324 and 326 via its exhaust line 642. The resulting circuitous fluid transport path is then discharged via the gas outlet line 308 to the surrounding environment, such as the direction of the exhaust gas flow represented by the arrows. The bypassed fluid transport path in the muffling structure 30 also serves as a sound transmission path for transmitting noise generated by the operation of the negative pressure generating device 64 and attenuating the amplitude of the acoustic wave generated by the transmitted noise. In addition, the sound absorbing material 330 filled in the fluid transport path produces a sound absorbing effect which further enhances the noise reduction effect.

In an embodiment of the present invention, the sound absorbing structure 30 is disposed in close proximity to the inner side wall of the main body casing 600 to avoid resonance between the muffling structure 30 and the main body casing 600.

In an embodiment of the present invention, a component such as a power supply source (for example, a rechargeable battery), a control unit, and a circuit board may be disposed in the housing 600 of the negative pressure sleep breathing abortion treatment device.

The above embodiments are merely intended to enable those skilled in the art to clarify the technical features of the present invention and do not limit the scope of the present invention. For example, as shown in the eighth figure, the partitions of the present muffling structure may also be in the configuration of the wave plate 800, and the wave plates 800 may be coupled to at least one inner side wall of the muffling structure obliquely or vertically. In addition, this The spacers that create the muffling structure may also be configured as a plurality of bent panels 900. As shown in the ninth diagram, the multiple bent panels 900 may be vertically or obliquely coupled to at least one inner side wall of the sound absorbing structure. As shown in the tenth figure, the partition of the creation muffling structure may also be that the pair of L-shaped plates 1000a and 1000b are correspondingly disposed on opposite inner sidewalls of the muffling structure and spaced apart from each other to facilitate the interior of the muffling structure. A detoured fluid passage is formed. The baffle configuration that can construct the circuitous channel in the creation of the muffling structure to prolong the acoustic transmission path should be included in the scope of this creation.

Claims (14)

A sound absorbing structure for a negative pressure sleep breathing abortion treatment device, comprising: a housing having an air inlet end and an air outlet end respectively disposed on a wall surface of the housing, and the air inlet end and the air outlet end The portion is fluidly connected to the interior of the housing; and a plurality of partitions are disposed inside the housing and each of the partitions is coupled to at least one wall surface of the housing to facilitate partitioning the interior of the housing into a plurality of mutually a fluidly connected compartment; wherein the inlet end is in fluid communication with the outlet end. The sound absorbing structure of claim 1, wherein at least one of the partitions has any one of the following structures: at least one L-shaped configuration, a wave plate, and a plurality of bent plates. The muffling structure of claim 2, wherein the baffles are L-shaped plates and are disposed in pairs and spaced apart from each other on opposite inner side walls of the casing. The muffling structure of claim 1, wherein the baffles are respectively in an inclined or perpendicular relationship with the wall surface of the casing. The sound absorbing structure according to claim 1, wherein the porous sound absorbing material is further filled in the compartments. The muffling structure of claim 1, wherein the length of the outlet end extending into the housing is greater than the length of the inlet end extending within the housing. A negative pressure sleep breathing abortion treatment device with a muffling structure, comprising: a mouth interface having a gas flow tube through which fluid communication is communicated to a user's mouth; and a negative pressure generating device having an air inlet tube And an exhaust line, wherein the intake line is in fluid communication with the air flow tube of the oral interface; and a sound absorbing structure comprising: a housing having an air inlet end and an air outlet end respectively Provided on a wall surface of the housing, and the air inlet end and the air outlet end are in fluid communication with the interior of the housing; and a plurality of partitions are disposed inside the housing and each of the partitions is connected to the shell At least one wall of the body, which facilitates partitioning the interior of the housing into a plurality of fluidly connected to each other a compartment, the intake end being in fluid communication with the outlet end; wherein the exhaust line of the negative pressure generating device is in fluid communication with the intake end of the muffling structure, and the muffling structure is The exhaust end is in fluid communication with the surrounding environment. The negative pressure sleep breathing suspension treatment device according to claim 7, further comprising a main body housing for accommodating the negative pressure generating device and the sound absorbing structure. The negative pressure sleep apnea treatment device according to claim 8, wherein the sound absorbing structure is in close contact with the inner side wall of the main body casing. The negative pressure sleep apnea treatment device according to claim 7, wherein at least one of the partitions of the sound absorbing structure has any one of the following structures: at least one L-shaped configuration, a wave plate and multiple bends. board. The negative pressure sleep breathing suspension treatment device according to claim 10, wherein the partitions are L-shaped plates and are disposed in pairs and spaced apart from each other on the opposite inner side walls of the housing. The negative pressure sleep apnea treatment device according to claim 7, wherein the partitions of the sound absorbing structure are respectively inclined or vertically coupled to the wall surface of the sound absorbing structure. The negative pressure sleep apnea treatment device of claim 7, further comprising a porous sound absorbing material filled in the compartments of the sound absorbing structure. The negative pressure sleep apnea treatment device according to the seventh aspect of the invention, wherein the venting end of the sound absorbing structure extends in the housing of the sound absorbing structure, the length of the air absorbing structure extends in the housing of the sound absorbing structure length.