A sputum tapping structure and a sputum tapping vest

Abstract

This invention relates to the field of medical devices, and discloses a sputum-sucking structure and a sputum-expelling vest. The sputum-sucking structure includes a housing, a motor, an impact block, an impact spring, a first cam, and a percussion assembly. The motor is mounted in the housing. A guide groove is provided inside the housing, and the impact block is disposed in the guide groove, allowing relative sliding between the impact block and the guide groove. The impact spring is disposed in the housing, with one end connected to the housing and the other end abutting against the impact block. The first cam is connected to the output shaft of the motor, and the output shaft drives the first cam to rotate, causing the first cam to push the impact block to slide along the guide groove to compress the impact spring. The percussion assembly is disposed on the housing, and the impact block is used to impact the percussion assembly. Furthermore, a sputum-expelling vest is provided, which has multiple mounting holes and includes multiple of the aforementioned sputum-sucking structures, with each of the housings fixed to one of the mounting holes.

Description

Technical Field

[0001] This invention relates to the field of medical devices, and more particularly to a sputum-spitting structure. Background Technology

[0002] In existing technologies, mainstream electric percussion sputum tapping devices typically employ a core structure driven by a motor-driven eccentric wheel (or eccentric mass block). This structure uses a motor to drive the eccentric wheel to rotate at high speed, utilizing the resulting centrifugal force to induce continuous high-frequency circular motion or vibration in the sputum tapping head, thus simulating the sputum tapping action. This design is simple and low-cost, and therefore widely used. However, from the perspective of mechanical principles and the actual effects of physical therapy, this structure has inherent limitations. The rotation of the eccentric wheel generates a periodic centrifugal force with continuously changing direction and relatively uniform amplitude, resulting in a continuous, smooth vibration, with mechanical characteristics closer to "shaking" or "trembling." This is fundamentally different in mechanical model from the low-frequency "tapping" action generated by medical personnel using wrist force, which has obvious acceleration peaks and instantaneous impact characteristics. This difference leads to insufficient mechanical penetration and loosening efficiency of the vibration mode of existing devices for deep, viscous sputum, and the clinical sputum expectoration effect needs to be improved. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to solve at least one of the technical problems mentioned above.

[0004] The solution to the technical problem of this invention is: A spitting device includes a shell; An electric motor, which is mounted in the housing; An impact block is provided inside the outer shell, and the impact block is disposed in the guide groove. The impact block and the guide groove can slide relative to each other. An impact spring is disposed in the housing, one end of which is connected to the housing, and the other end of which is used to abut against the impact block. A first cam is connected to the output shaft of the motor. The output shaft of the motor drives the first cam to rotate, causing the first cam to push the impact block to slide along the guide groove to compress the impact spring. A striking assembly is disposed on the housing, and the impact block is used to impact the striking assembly.

[0005] As a further improvement to the above technical solution, the outer shell is provided with a threaded hole that connects to the interior of the outer shell. The impact spring includes an impact spring body, a stud, and a knob. The stud and the threaded hole are connected by threads. One end of the impact spring body is fixedly connected to the stud, and the stud and the knob are fixedly connected.

[0006] As a further improvement to the above technical solution, a step extends from the side of the impact block, and the first cam moves the step to make the impact block slide along the guide groove.

[0007] As a further improvement to the above technical solution, the tapping assembly includes a spitting head, a guide sleeve, a slider, and a return spring. The guide sleeve is disposed on the outer shell and has a guide channel inside. One end of the guide channel is connected to the guide groove. The angle between the length direction of the guide channel and the length direction of the guide groove is an obtuse angle. The slider is disposed inside the guide sleeve and can slide relative to the guide sleeve. The return spring is disposed in the guide channel. One end of the return spring is connected to the end of the guide sleeve away from the outer shell, and the other end of the return spring is connected to the slider. The spitting head and the slider are fixedly connected.

[0008] As a further improvement to the above technical solution, the inner wall of the guide channel is provided with a groove extending along the length of the guide channel, and a locking block extends from the slider. The locking block is inserted into the groove, and the locking block and the groove are slidably connected relative to each other.

[0009] As a further improvement to the above technical solution, the outer shell is provided with a connecting hole that communicates with the inside of the outer shell. The connecting hole is directly opposite the impact block. A first connecting cylinder extends from the edge of the connecting hole. A second connecting cylinder extends from one end of the guide sleeve. The second connecting cylinder is sleeved on the first connecting cylinder. The first connecting cylinder and the second connecting cylinder can rotate relative to each other.

[0010] As a further improvement to the above technical solution, the second connecting cylinder is supported by an elastic material, the second connecting cylinder is provided with an external thread, and multiple notches are opened on the side wall of the second connecting cylinder. The spitting structure also includes a conical sleeve, the conical sleeve is provided with an internal thread, and the internal thread and the external thread are connected to each other so that the inner diameter of the second connecting cylinder contracts, thereby clamping the first connecting cylinder.

[0011] As a further improvement to the above technical solution, the patting surface of the sputum-patting head is provided with a depression in the middle.

[0012] As a further improvement to the above technical solution, the sputum-spitting structure also includes an anvil, and the impact block is used to impact the anvil. The anvil and the slider are connected by a connecting rod, and the contact surfaces of the anvil and the impact block are parallel.

[0013] The present invention provides a sputum-clearing vest, which has multiple mounting holes and also includes multiple sputum-patting structures, with each outer shell fixed to the mounting hole.

[0014] The beneficial effects of this invention are as follows: After the motor starts, it drives the first cam to rotate continuously. When the protruding part of the first cam rotates to a specific position, it drives the impact block, causing it to slide along the guide groove towards the direction of compressing the impact spring. During this process, the rotational kinetic energy of the motor is converted into the elastic potential energy of the impact spring and stored. When the first cam continues to rotate until the protruding part slides past its highest point, the driving force on the impact block is instantly released. At this time, the elastic potential energy stored in the compressed impact spring is rapidly released, pushing the impact block to slide in the opposite direction at high speed along the guide groove, causing it to impact the percussion assembly at a very high instantaneous speed. The percussion assembly transmits this violent impact, acting on the patient's body, forming a pulse force with a significant impact peak, similar to manual percussion. Subsequently, the first cam enters the next cycle, driving the impact block to compress the spring, release, and impact again, thereby producing continuous and intermittent percussion. In this way, the mechanical characteristics of manual sputum percussion are simulated, and the resulting impact force has a stronger penetrating power on deep, viscous sputum. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the sputum-patting structure of the present invention.

[0016] Figure 2 This is an isometric view of the second connecting cylinder of the present invention.

[0017] Reference numerals in the attached drawings: 1-outer shell, 11-guide groove, 2-motor, 3-impact block, 31-step, 41-spring body, 42-stud, 43-knob, 5-first cam, 61-patting head, 611-recess, 62-guide sleeve, 63-slider, 64-reset spring, 65-anvil, 66-connecting rod, 71-first connecting cylinder, 72-second connecting cylinder, 721-notch, 722-external thread, 73-conical sleeve; 8-obtuse angle. Detailed Implementation

[0018] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments have been briefly explained above. Obviously, the described drawings are only a part of the embodiments of the present invention, and not all of them. Those skilled in the art can obtain other design schemes and drawings based on these drawings without creative effort.

[0019] The following will clearly and completely describe the concept, specific structure, and technical effects of the present invention in conjunction with embodiments and accompanying drawings, so as to fully understand the purpose, features, and effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are all within the scope of protection of the present invention. Furthermore, all connections / linkages mentioned herein do not simply refer to direct contact between components, but rather to the ability to form a better connection structure by adding or reducing connecting accessories according to specific implementation conditions. The various technical features in this invention can be combined interactively without contradicting each other.

[0020] Reference Figure 1 and Figure 2 A sputum-spitting structure includes a housing 1, a motor 2, an impact block 3, an impact spring, a first cam 5, and a tapping assembly. The motor 2 is installed in the housing 1. A guide groove 11 is provided inside the housing 1, and the impact block 3 is disposed in the guide groove 11, with the impact block 3 and the guide groove 11 being slidable relative to each other. The impact spring is disposed in the housing 1, with one end connected to the housing 1 and the other end used to abut against the impact block 3. The first cam 5 is connected to the output shaft of the motor 2, and the output shaft of the motor 2 drives the first cam 5 to rotate, causing the first cam 5 to push the impact block 3 to slide along the guide groove 11 to compress the impact spring. The tapping assembly is disposed on the housing 1, and the impact block 3 is used to impact the tapping assembly.

[0021] In this embodiment, a sputum-spitting structure includes a housing 1, a motor 2, an impact block 3, an impact spring, a first cam 5, and a tapping assembly. The motor 2 is installed inside the housing 1 as a power source. A guide groove 11 is provided inside the housing 1. The impact block 3 is disposed in the guide groove 11 and can slide relative to it along the length of the guide groove 11. The impact spring is disposed inside the housing 1, with one end connected to the housing 1 and the other end used to abut against the impact block 3. The first cam 5 is connected to the output shaft of the motor 2, and the motor 2 drives the first cam 5 to rotate when it runs. The tapping assembly is disposed on the housing 1, and its position corresponds to the movement path of the impact block 3.

[0022] Its working principle is as follows: After the motor 2 starts, it drives the first cam 5 to rotate continuously. When the protruding part of the first cam 5 rotates to a specific position, it drives the impact block 3, causing it to slide along the guide groove 11 towards the direction of compressing the impact spring. During this process, the rotational kinetic energy of the motor 2 is converted into the elastic potential energy of the impact spring and stored. When the first cam 5 continues to rotate until the protruding part slides past the highest point, the driving force on the impact block 3 is instantly released. At this time, the elastic potential energy stored in the compressed impact spring is rapidly released, pushing the impact block 3 to slide in the opposite direction at high speed along the guide groove 11, causing it to impact the percussion assembly at a very high instantaneous speed. The percussion assembly transmits this violent impact, acting on the patient's body, forming a pulse force with a clear impact peak, similar to manual percussion. Subsequently, the first cam 5 enters the next cycle, driving the impact block 3 again to compress the spring, release, and impact, thereby producing continuous and intermittent percussion. In this way, the mechanical characteristics of manual sputum tapping are simulated, and the resulting impact force has a stronger penetrating power on deep, viscous sputum.

[0023] In one embodiment, the outer casing 1 has a threaded hole that communicates with the interior of the outer casing 1. The impact spring includes an impact spring body 41, a stud 42, and a knob 43. The stud 42 and the threaded hole are connected by threads. One end of the impact spring body 41 is fixedly connected to the stud 42, and the stud 42 is fixedly connected to the knob 43.

[0024] In this embodiment, to ensure stable impact force adjustment, the spitting structure is also equipped with an adjustment mechanism. Specifically, the outer shell 1 has a threaded hole connecting to its interior. The impact spring includes an impact spring body 41, a stud 42, and a knob 43. The stud 42 is connected to the threaded hole on the outer shell 1 via threads. One end of the impact spring body 41 is fixedly connected to the stud 42, which is in turn fixedly connected to the knob 43 located outside the shell. When the user rotates the knob 43, it will cause the stud 42 to screw into or out of the threaded hole. The movement of the stud 42 will change the axial position of the other end of the impact spring (the end that abuts against the impact block 3) within the outer shell 1, thereby adjusting the initial compression (i.e., preload) of the impact spring. The greater the preload, the more potential energy the spring stores under the same compression stroke, the greater the kinetic energy gained by the impact block 3 upon release, and the stronger the final striking force; conversely, the weaker the force. This structure achieves purely mechanical, stepless, and continuous adjustment of the striking force, and the adjustment process is independent of the speed of the motor 2.

[0025] In one embodiment, a step 31 extends from the side of the impact block 3. The first cam 5 actuates the step 31, causing the impact block 3 to slide along the guide groove 11. In this embodiment, to enable the first cam 5 to effectively actuate the impact block 3, a step 31 structure extends from the side of the impact block 3. When the first cam 5 rotates, its outer contour contacts and applies force to this step 31. Through the cam contour design, when the cam rotates to the rising section, its contour pushes the step 31, causing the entire impact block 3 to slide stably along the guide groove 11 towards the compression spring. The step 31 structure provides a clear force application point for the cam, making power transmission direct and reliable.

[0026] In one embodiment, the tapping assembly includes a spitting head 61, a guide sleeve, a slider 63, and a return spring 64. The guide sleeve is disposed on the outer shell 1. A guide channel is provided in the guide channel. One end of the guide channel is connected to the guide groove. The angle between the length direction of the guide channel and the length direction of the guide groove 11 is an obtuse angle 8. The slider 63 is disposed in the guide sleeve. The slider 63 and the guide sleeve can slide relative to each other. The return spring 64 is disposed in the guide channel. One end of the return spring 64 is connected to the end of the guide sleeve away from the outer shell 1. The other end of the return spring 64 is connected to the slider 63. The spitting head 61 and the slider 63 are fixedly connected.

[0027] In this embodiment, the percussion assembly is the part that performs the final treatment action. One specific implementation includes a percussion head 61, a guide sleeve, a slider 63, and a return spring 64. The guide sleeve is mounted on the outer casing 1 and has a guide channel inside. One end of the guide channel is connected to a guide groove 11 inside the outer casing 1, and the length direction of the guide channel forms an obtuse angle 8 with the length direction of the guide groove 11. The slider 63 is disposed within the guide channel of the guide sleeve and can slide relative to it. The return spring 64 is disposed in the guide channel, with one end connected to the end of the guide sleeve away from the outer casing 1, and the other end connected to the slider 63. The percussion head 61 is fixed to the slider 63 and is used to contact the patient's body.

[0028] Its working principle is as follows: When the impact block 3 is released by the spring and rushes out at high speed, it does not directly impact the sputum-spitting head 61, but rather impacts or pushes the slider 63. The impact force applied by the impact block 3 is mainly along the direction of the guide groove 11 (assuming it is horizontal). However, since the slider 63 is constrained within the guide channel with an obtuse angle 8, it can only move along the inclined guide channel. According to the principles of mechanics, the horizontal impact force is decomposed into two components: an effective component that drives the slider 63 and the sputum-spitting head 61 forward along the direction of the guide channel, and the other is canceled out by the guide channel wall. Therefore, the sputum-spitting head 61 ultimately impacts the patient's body surface at an inclined angle, and its impact force can be decomposed into a "loosening" component perpendicular to the body surface and a "guiding" component parallel to the body surface, thereby achieving the effect of directional sputum expectoration. After the impact is completed, the compressed return spring 64 releases energy, pulling the slider 63 and the sputum-spitting head 61 back to the initial position, ready to receive the next impact. This design realizes the conversion from linear impact to vector impact.

[0029] In one embodiment, the inner wall of the guide channel is provided with a groove extending along the length of the guide channel, and a locking block extends from the slider 63. The locking block is inserted into the groove, and the locking block and the groove are slidably connected relative to each other.

[0030] In this embodiment, to ensure smooth sliding of the slider 63 within the guide channel without rotation, a groove extending along the length of the guide channel is provided on its inner wall. A corresponding locking block extends from the slider 63 and inserts into the groove. The locking block and the groove are slidably connected. This cooperation between the locking block and the groove constitutes a guide key structure, ensuring that the slider 63 can only move linearly along the axis of the guide channel and will not rotate around its own axis, thus guaranteeing the stability of the spitting head 61's posture and the accuracy of the impact force transmission direction.

[0031] In one embodiment, the outer shell 1 has a connecting hole that communicates with the interior of the outer shell 1. The connecting hole is directly opposite the impact block 3. A first connecting cylinder 71 extends from the edge of the connecting hole. A second connecting cylinder 72 extends from one end of the guide sleeve. The second connecting cylinder 72 is sleeved on the first connecting cylinder 71. The first connecting cylinder 71 and the second connecting cylinder 72 can rotate relative to each other.

[0032] In this embodiment, to make the impact direction of the percussion assembly adjustable to adapt to different body positions and sputum expectoration directions, a connecting hole is provided on the outer shell 1, which connects to the interior of the outer shell 1. This connecting hole is directly opposite the impact path of the impact block 3. A first connecting cylinder 71 extends outward from the edge of the connecting hole. A second connecting cylinder 72 extends from one end of the guide sleeve. During installation, the second connecting cylinder 72 is fitted onto the first connecting cylinder 71, and the first connecting cylinder 71 and the second connecting cylinder 72 can rotate relative to each other. By rotating the guide sleeve, the inclination direction of its guide channel can be changed, thereby changing the direction of the "guiding" component of the impact force of the sputum-beating head 61, achieving 360-degree directional adjustment.

[0033] In one embodiment, the second connecting cylinder 72 is supported by an elastic material, the second connecting cylinder 72 is provided with an external thread 722, and the side wall of the second connecting cylinder 72 has multiple notches 721. The spitting structure also includes a conical sleeve 73, the conical sleeve 73 is provided with an internal thread, the internal thread and the external thread 722 are connected to each other so that the inner diameter of the second connecting cylinder 72 contracts, thereby clamping the first connecting cylinder 71.

[0034] In this embodiment, to ensure reliable locking after directional adjustment, the second connecting cylinder 72 is made of an elastic material (such as plastic with a certain degree of toughness). The second connecting cylinder 72 has external threads 722 and multiple axial notches 721 on its sidewalls, giving it a certain elastic contraction capability. The sputum-spitting structure also includes a conical sleeve 73 with internal threads. When the conical sleeve 73 is screwed into the external threads 722 of the second connecting cylinder 72, the conical inner wall of the sleeve 73 presses against the notched portion 721 of the second connecting cylinder 72, causing its inner diameter to contract and tightly clamp the inner first connecting cylinder 71, achieving friction locking and preventing accidental rotation of the guide sleeve during use.

[0035] In one embodiment, the patting surface of the patting head 61 has a recess 611 in the middle. When medical personnel perform percussion on the patient's back without using this invention, they do not use a completely flat palm to pat, but rather naturally bend their palm, creating an elastic cavity between the palm and the patient's skin. The recess 611 in this structure is precisely to replicate this cavity structure in a mechanical device.

[0036] When the sputum tapping head 61 strikes the patient's skin, a relatively closed micro-air chamber is formed between the indented area 611 and the skin. At the moment of impact, the air within this chamber is rapidly compressed and then quickly expands. This process produces two main effects: First, the compression and release of air mechanically creates a flexible "air cushion" buffer, effectively attenuating and dispersing some of the direct impact force, improving patient comfort and avoiding discomfort or risks associated with hard impacts. Second, the rapid volume change of this air chamber generates subtle but directional airflow disturbances in a localized area. This disturbance, combined with the mechanical vibration of the tapping, can more effectively penetrate tissue and act on deep sputum, simulating the physical mechanism of the dual effects of vibration and airflow generated by "hollow palm" tapping in manual sputum tapping.

[0037] In one embodiment, the spitting structure further includes an anvil 65, and the impact block 3 is used to impact the anvil 65. The anvil 65 and the slider 63 are connected by a connecting rod 66, and the contact surfaces of the anvil 65 and the impact block 3 are parallel. In this embodiment, to optimize the transmission path of the impact force, the spitting structure also includes an anvil 65. The anvil 65 is located on the impact path of the impact block 3. After the impact block 3 is released, it directly impacts the anvil 65. The anvil 65 is connected to the slider 63 in the tapping assembly through the connecting rod 66. The contact surfaces of the anvil 65 and the impact block 3 are designed to ensure that they are parallel to each other. In this way, the impact of the impact block 3 on the anvil 65 is frontal and uniform. The impact energy is directly transmitted to the slider 63 through the anvil 65 and the connecting rod 66, driving its movement. This separate design connects the impact generation area (at the anvil 65) and the motion conversion area (at the slider 63) through the rigid connecting rod 66, which can more accurately control the direction and efficiency of the impact force transmission, and is especially beneficial for maintaining effective force conversion in complex transmission paths.

[0038] This invention provides a sputum-clearing vest with multiple mounting holes and multiple sputum-patting structures, each of which is fixed to a mounting hole. The vest uses the sputum-patting structure as its core functional component, capable of generating pulse forces simulating manual percussion, independently adjusting the percussion force, and achieving directional vector impact. This allows for more effective loosening and guiding of deep sputum out, improving the efficacy of sputum-clearing therapy. Furthermore, the mounting holes can be adjusted according to lung structure. For example, mounting holes positioned directly opposite the pulmonary branch passages direct the directional vector impact force generated by the sputum-patting structure at these holes towards the main airway. Conversely, mounting holes positioned directly opposite the main airway direct the directional vector impact force generated by the sputum-patting structure upwards, facilitating sputum expulsion.

[0039] The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited to the embodiments described. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and these equivalent modifications or substitutions are all included within the scope defined by the claims of this application.

Claims

1. A sputum-spitting structure, comprising a shell (1), characterized in that, The sputum-patting structure also includes: Motor (2), said motor (2) is installed in said housing (1); Impact block (3), the outer shell (1) is provided with a guide groove (11), the impact block (3) is disposed in the guide groove (11), and the impact block (3) and the guide groove (11) can slide relative to each other; An impact spring is disposed in the outer casing (1), one end of the impact spring is connected to the outer casing (1), and the other end of the impact spring is used to abut against the impact block (3). The first cam (5) is connected to the output shaft of the motor (2). The output shaft of the motor (2) drives the first cam (5) to rotate, so that the first cam (5) pushes the impact block (3) to slide along the guide groove (11) to compress the impact spring. A striking assembly is disposed on the housing (1), and the impact block (3) is used to impact the striking assembly.

2. The sputum-spitting structure according to claim 1, characterized in that, The outer shell (1) has a threaded hole that connects to the interior of the outer shell (1). The impact spring includes an impact spring body (41), a stud (42) and a knob (43). The stud (42) and the threaded hole are connected by threads. One end of the impact spring body (41) is fixedly connected to the stud (42), and the stud (42) and the knob (43) are fixedly connected.

3. The sputum-spitting structure according to claim 1, characterized in that, A step (31) extends from the side of the impact block (3), and the first cam (5) moves the step (31) to make the impact block (3) slide along the guide groove (11).

4. The sputum-spitting structure according to claim 1, characterized in that, The tapping assembly includes a spitting head (61), a guide sleeve, a slider (63), and a return spring (64). The guide sleeve is disposed on the outer shell (1). A guide channel is provided inside the guide sleeve. One end of the guide channel is connected to the guide groove. The angle between the length direction of the guide channel and the length direction of the guide groove (11) is an obtuse angle (8). The slider (63) is disposed inside the guide sleeve. The slider (63) and the guide sleeve can slide relative to each other. The return spring (64) is disposed in the guide channel. One end of the return spring (64) is connected to the end of the guide sleeve away from the outer shell (1). The other end of the return spring (64) is connected to the slider (63). The spitting head (61) and the slider (63) are fixedly connected.

5. The sputum-spitting structure according to claim 4, characterized in that, The inner wall of the guide channel is provided with a groove extending along the length of the guide channel, and a locking block extends from the slider (63). The locking block is inserted into the groove, and the locking block and the groove are slidably connected relative to each other.

6. The sputum-spitting structure according to claim 4, characterized in that, The outer shell (1) has a connecting hole that connects to the inside of the outer shell (1). The connecting hole is directly opposite the impact block (3). A first connecting cylinder (71) extends from the edge of the connecting hole. A second connecting cylinder (72) extends from one end of the guide sleeve. The second connecting cylinder (72) is sleeved on the first connecting cylinder (71). The first connecting cylinder (71) and the second connecting cylinder (72) can rotate relative to each other.

7. The sputum-spitting structure according to claim 6, characterized in that, The second connecting cylinder (72) is supported by an elastic material. The second connecting cylinder (72) is provided with an external thread (722). Multiple notches (721) are opened on the side wall of the second connecting cylinder (72). The spitting structure also includes a conical sleeve (73). The conical sleeve (73) is provided with an internal thread. The internal thread and the external thread (722) are connected to each other so that the inner diameter of the second connecting cylinder (72) is contracted, thereby clamping the first connecting cylinder (71).

8. The sputum-spitting structure according to claim 4, characterized in that, The patting head (61) has a depression (611) in the middle of the patting surface.

9. The sputum-spitting structure according to claim 4, characterized in that, The sputum-slapping structure also includes an anvil (65), and the impact block (3) is used to impact the anvil (65). The anvil (65) and the slider (63) are connected by a connecting rod (66), and the contact surfaces of the anvil (65) and the impact block (3) are parallel.

10. A phlegm-clearing vest, characterized in that, The sputum-clearing vest is provided with a plurality of mounting holes, and the sputum-clearing vest also includes a plurality of sputum-patting structures as described in any one of claims 1-9, with each of the outer shells fixed on the mounting holes.

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