A chest puncture air extraction device for treating pneumothorax

Abstract

The present application provides a kind of pneumothorax treatment thoracentesis air extraction device, including handle, handle is provided with installation shell, installation shell is detachably provided with air extraction cylinder, one end of air extraction cylinder is provided with puncture needle, the other end is provided with gas collection balloon, piston air extraction mechanism is arranged in air extraction cylinder, piston air extraction mechanism includes the piston rod of being arranged in air extraction cylinder and being liftable.Installation shell is slidably provided with handle, handle is provided with lifting frame by being connected through drive unit, the sliding of handle is converted into driving lifting frame lifting by drive unit, lifting frame is detachably connected with piston rod by connecting assembly.The device can be disassembled when using air extraction cylinder, and air extraction cylinder, puncture needle and gas collection balloon are discarded, and the remaining part can be repeatedly used, without discarding the whole device after each treatment, thereby effectively saving the cost of treatment.

Description

TECHNICAL FIELD

[0001] The present application relates to a chest puncture and air extraction device for treating pneumothorax. BACKGROUND

[0002] Pneumothorax refers to the phenomenon of air entering the chest cavity and not being promptly discharged, resulting in air accumulation. The general causes of pneumothorax are diseases caused by bacterial infection of the lungs or rupture of certain tissues in the lungs, which can cause pneumothorax. Generally, male patients are more common, and the incidence rate is relatively high. If not treated in time, it may also cause death.

[0003] Puncture and air extraction method for pneumothorax is an effective means for treating pneumothorax, which can quickly relieve symptoms such as chest tightness and shortness of breath and promote lung re-expansion. When performing the puncture and air extraction method for pneumothorax, a special chest puncture and air extraction device is needed to assist.

[0004] A device for treating pneumothorax is provided in Chinese patent CN106730077B. The device can determine the air discharge state of pneumothorax through a signal indicator. If the signal indicator is not protruding, the air discharge of pneumothorax is complete. Therefore, people can remove the device for treating pneumothorax from the hospital when the signal indicator is not protruding. Thus, the present application does not require hospitalization for pneumothorax treatment, and the activity is not limited.

[0005] However, the existing chest puncture and extraction device for treating pneumothorax is mostly integrated, and the entire device needs to be discarded after use, which increases the treatment cost and reduces the practicality of the traditional chest puncture and air extraction device for treating pneumothorax. SUMMARY

[0006] In view of the deficiencies of the prior art, the present application provides a chest puncture and air extraction device for treating pneumothorax to solve the technical problem of the existing chest puncture and extraction device for treating pneumothorax, which is mostly integrated, and the entire device needs to be discarded after use, thereby increasing the treatment cost.

[0007] To achieve the above-mentioned purpose, the present application provides the following technical scheme, a chest puncture and air extraction device for treating pneumothorax, comprising:

[0008] A handle is provided with a mounting shell;

[0009] An air extraction cylinder is detachably provided on the mounting shell, one end of the air extraction cylinder is provided with a puncture needle, and the other end is provided with a gas collection balloon;

[0010] A piston pumping mechanism is arranged in the pumping cylinder, comprising a piston rod arranged in the pumping cylinder and capable of being lifted and lowered, and the lifting and lowering of the piston rod is converted by the piston pumping mechanism into the one-way flow of the gas in the puncture needle into the gas collecting balloon;

[0011] A handle is arranged on the mounting shell and capable of being transversely slid, and a lifting frame is arranged on the handle and connected by a driving unit, and the sliding of the handle is converted by the driving unit into the lifting and lowering of the lifting frame; and

[0012] A connecting assembly is arranged on the lifting frame to selectively fix or release the lifting frame and the piston rod.

[0013] In a preferred embodiment, two sets of clamping frames are arranged on the mounting shell, one end of the pumping cylinder is detachably connected with the puncture needle through an air inlet chamber, and the other end is communicated with the gas collecting balloon through an air outlet chamber, and the air inlet chamber and the air outlet chamber are clamped in the two sets of clamping frames respectively.

[0014] In a preferred embodiment, the air inlet end of the gas collecting balloon is sleeved on the air outlet chamber and fixedly connected therewith by an elastic ring.

[0015] In a preferred embodiment, the piston pumping mechanism comprises:

[0016] Four sets of one-way valves are arranged on the pumping cylinder, two of which are communicated with the air inlet chamber and the other two of which are communicated with the air outlet chamber, so as to form two one-way passages for the gas to flow from the puncture needle to the gas collecting balloon; and

[0017] A piston plate is arranged on the piston rod and capable of sliding between the two one-way valves on one side of the pumping cylinder, and the through hole of the piston rod in the pumping cylinder is sealed.

[0018] In a preferred embodiment, the driving unit comprises:

[0019] A ratchet wheel is arranged in the mounting shell and capable of being rotated in one direction;

[0020] A driving rod is eccentrically connected with the ratchet wheel at one end and connected with the lifting frame at the other end; and

[0021] A one-way driving mechanism is arranged on the handle and connected with the ratchet wheel to convert the reciprocating sliding of the handle into the one-way rotation of the ratchet wheel.

[0022] In a preferred embodiment, a first elastic member is arranged between the handle and the handle.

[0023] In a preferred embodiment, the one-way driving mechanism comprises:

[0024] A lifting frame is arranged on the handle in a liftable manner and is provided with a second elastic member between the handle and the lifting frame;

[0025] Two sets of ratchet bars are oppositely arranged on the upper and lower sides of the inner wall of the lifting frame, the directions of the two sets of ratchet bars are opposite, and one set of the ratchet bars is engaged with the ratchet wheel; and

[0026] A guide assembly is arranged on the mounting shell and connected with the lifting frame, so as to drive the lifting frame to lift when the handle reciprocally slides, so that the two sets of ratchet bars are alternately engaged with the ratchet wheel.

[0027] In a preferred embodiment, the guide assembly comprises:

[0028] Two sets of guide tracks are connected in a ring shape, the leading ends of the two sets of guide tracks are in a stepped shape with the trailing ends of the other set of guide tracks, and the leading ends of the two sets of guide tracks are provided with inclined surfaces;

[0029] A mounting frame is arranged on the lifting frame; and

[0030] A guide column is arranged on one side of the mounting frame in a sliding manner along the axis and is provided with a third elastic member between the other side of the mounting frame and the guide column, and the end of the guide column is slidingly clamped in the guide track and abuts against the inner wall of the guide track.

[0031] In a preferred embodiment, a hinged pawl is arranged in the mounting shell, the pawl is clamped on the ratchet wheel, and a torsional spring is arranged at the hinge point of the pawl and the mounting shell.

[0032] In a preferred embodiment, the connecting assembly comprises:

[0033] A clamping block is provided with a clamping hole on the lifting frame, the clamping block is slidingly clamped in the clamping hole, the end of the piston rod is provided with a clamping groove, the clamping block is clamped in the clamping groove, and the end of the piston rod is a wedge surface;

[0034] A fourth elastic member is arranged between the clamping block and the clamping hole; and

[0035] A pull ring is arranged on the clamping block and extends out of the mounting shell.

[0036] Compared with the prior art, the present application has the following beneficial effects:

[0037] 1、 the device in use, the puncture needle puncture into the chest and repeatedly hold the handle to make it slide on the installation shell, the handle in the process of movement through the drive unit converts the sliding of the handle into driving the lifting frame lifting, the lifting frame in the process of lifting drives the piston rod to lift in the suction cylinder, and then the piston suction mechanism extracts the gas in the chest cavity into the gas collecting balloon, avoids the gas leakage to cause the influence to the health of the medical staff, and then quickly extracts the gas in the chest cavity of the patient, and the pneumothorax is treated. And after use, the lifting frame and the piston rod can be fixed through the connecting assembly, and then the suction cylinder is disassembled, the suction cylinder, the puncture needle and the gas collecting balloon are used once, and after use, they can be discarded, and the remaining part can be repeatedly used, so that the whole device does not need to be discarded after each treatment, thereby effectively saving the treatment cost.

[0038] 2、 in the process of holding the handle, the lifting frame is driven to slide, the guide column is driven to alternately move in the two groups of guide rails in the process of sliding, the guide column enters the tail end of the other group of guide rails from the head end of one group of guide rails when contacting the slope of the guide rail, and the guide column can only move unidirectionally in the ring surrounded by the two groups of guide rails through the stepped connection of the two groups of guide rails, the second elastic member and the third elastic member, so that the lifting frame reciprocatingly slides while reciprocatingly lifting, so that the two groups of ratchet bars alternately engage with the ratchet wheel, so that the ratchet wheel continuously rotates unidirectionally to drive the lifting frame to reciprocate through the drive rod, when the diameter of the ratchet wheel is small, the piston plate can move in the piston for many times through single holding of the handle, so that the gas in the chest cavity can be quickly and uniformly discharged, and the efficiency of pneumothorax treatment is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0039] In order to more clearly illustrate the specific embodiments of the present application, the drawings needed in the specific embodiments will be briefly introduced below. In all the drawings, the elements or parts are not necessarily drawn according to the actual proportion.

[0040] Figure 1 A perspective view of a chest puncture and suction device for treating pneumothorax provided by the present application is provided.

[0041] Figure 2 A sectional view of a chest puncture and suction device for treating pneumothorax provided by the present application is provided.

[0042] Figure 3 A perspective view of a chest puncture and suction device for treating pneumothorax provided by the present application is provided.

[0043] Figure 4 A perspective view of a chest puncture and suction device for treating pneumothorax provided by the present application is provided.

[0044] Figure 5It is a structure schematic view of the lifting frame in the thoracic puncture and air extraction device for treating pneumothorax of the application;

[0045] Figure 6 It is a structure schematic view of the guide rail in the thoracic puncture and air extraction device for treating pneumothorax of the application;

[0046] Figure 7 It is a structure schematic view of the one-way driving mechanism in the thoracic puncture and air extraction device for treating pneumothorax of the application;

[0047] Figure 8 It is a structure schematic view of the one-way driving mechanism in the thoracic puncture and air extraction device for treating pneumothorax of the application; Figure 7 It is an enlarged schematic view of the a area.

[0048] Reference signs:

[0049] 101, handle; 102, mounting shell; 103, clamping frame; 104, grip; 105, first elastic member;

[0050] 201, air extraction cylinder; 202, air inlet chamber; 203, air outlet chamber; 204, one-way valve; 205, gas collection balloon; 206, elastic ring; 207, puncture needle;

[0051] 301, piston plate; 302, piston rod; 303, clamping groove;

[0052] 401, lifting frame; 402, clamping hole; 403, clamping block; 404, pull ring; 405, fourth elastic member;

[0053] 501, ratchet wheel; 502, pawl; 503, driving rod;

[0054] 601, lifting frame; 602, ratchet bar; 603, second elastic member; 604, mounting frame; 605, guide column; 606, third elastic member;

[0055] 701, guide rail; 702, inclined surface. DETAILED DESCRIPTION

[0056] It is necessary to point out here that the following detailed description is only used to further illustrate the application and cannot be understood as limiting the protection scope of the application. Those skilled in the art can make some non-essential improvements and adjustments to the application according to the above application content.

[0057] Embodiment:

[0058] As Figures 1 to 4As shown, the present invention provides a thoracentesis and aspiration device for treating pneumothorax, comprising a handle 101, a mounting shell 102 provided on the handle 101, a suction cylinder 201 detachably provided on the mounting shell 102, a puncture needle 207 provided at one end of the suction cylinder 201, and a collecting balloon 205 provided at the other end, two sets of clip-on brackets 103 provided on the mounting shell 102, one end of the suction cylinder 201 detachably connected to the puncture needle 207 via an air inlet chamber 202, and the other end connected to the collecting balloon 205 via an air outlet chamber 203, the air inlet chamber 202 and the air outlet chamber 203 being respectively clipped into the two sets of clip-on brackets 103. The air inlet end of the collecting balloon 205 is sleeved on the exhaust chamber 203 and fixedly connected thereto via an elastic ring 206.

[0059] During use, the vacuum pump 201 is installed through the clamping frame 103. The clamping frame 103 can be made of a material with a certain degree of toughness to fix the air inlet chamber 202 and the exhaust chamber 203. The air inlet chamber 202 and the exhaust chamber 203 are removed from the clamping frame 103 by force to disassemble the puncture needle 207, the vacuum pump 201 and the collecting balloon 205. During the vacuuming process, the gas can pass through the vacuum pump 201 and then enter the collecting balloon 205. The exhausted gas is collected by the collecting balloon 205, and the collecting balloon 205 is fixed by the elastic ring 206, so that the collecting balloon 205 is convenient to replace.

[0060] like Figures 2 to 4 As shown, in this embodiment, a piston pumping mechanism is provided in the vacuum cylinder 201, and the piston pumping mechanism includes a piston rod 302 which is arranged in the vacuum cylinder 201 and can be raised and lowered. The piston pumping mechanism converts the raising and lowering of the piston rod 302 into driving the gas in the puncture needle 207 to flow one-way into the collecting balloon 205. The piston pumping mechanism includes four groups of one-way valves 204 provided on the vacuum cylinder 201, two groups of one-way valves 204 are connected to the air inlet chamber 202, and the other two groups of one-way valves 204 are connected to the exhaust chamber 203 to form two groups of one-way passages for gas to flow from the puncture needle 207 to the collecting balloon 205. A piston plate 301 is provided on the piston rod 302, and the piston plate 301 can slide between the two groups of one-way valves 204 on one side of the vacuum cylinder 201. The piston rod 302 is sealed at the penetration point on the vacuum cylinder 201.

[0061] The piston rod 302 can be controlled to ascend and descend on the suction cylinder 201, and the piston rod 302 drives the piston plate 301 to slide in the suction cylinder 201 during the ascending and descending process. The piston plate 301 can discharge the gas on one side to the gas collecting balloon 205 and make the gas in the thoracic cavity enter the cavity formed by the other side of the piston plate 301 and the suction cylinder 201 during the movement in a single direction, so that the piston plate 301 can continuously and uniformly discharge the gas in the thoracic cavity to the gas collecting balloon 205 during the reciprocating sliding process. Compared with the traditional one-way piston, the gas discharge structure can make the gas discharge more quickly and uniformly, improve the comfort of the patient and the treatment effect.

[0062] As shown in Figure 2 、 3 , 7, in the embodiment, the handle 101 and the handle 104 are provided on the mounting shell 102 and can slide transversely, the first elastic member 105 is arranged between the handle 101 and the handle 104, the lifting frame 401 connected by the driving unit is arranged on the handle 104, the sliding of the handle 104 is converted into driving the lifting frame 401 to ascend and descend by the driving unit, the driving unit comprises a ratchet wheel 501 arranged in the mounting shell 102 and capable of rotating in one direction, one end of a driving rod 503 is eccentrically hinged to the ratchet wheel 501, the other end is hinged to the lifting frame 401, the one-way driving mechanism connected with the ratchet wheel 501 is arranged on the handle 104, and the reciprocating sliding of the handle 104 is converted into driving the ratchet wheel 501 to rotate in one direction by the one-way driving mechanism.

[0063] The handle 104 can slide on the mounting shell 102 by holding the handle 104 and the handle 101, and the first elastic member 105 is extruded, and the handle 104 can be controlled to reset under the action of the first elastic member 105 after the handle 104 is released, so as to facilitate the reciprocating sliding of the handle 104. The handle 104 drives the ratchet wheel 501 to rotate in one direction by the one-way driving mechanism during the sliding process, the ratchet claw 502 is arranged in the mounting shell 102 and is hinged, the ratchet claw 502 is clamped on the ratchet wheel 501, the hinge point of the ratchet claw 502 and the mounting shell 102 is provided with a torsional spring, the ratchet wheel 501 is prevented from being reversed by the arrangement of the ratchet claw 502, and the lifting frame 401 can be controlled to ascend and descend in the mounting shell 102 by the driving rod 503 during the rotation of the ratchet wheel 501.

[0064] As shown in Figure 2 、 Figure 3 , Figures 6 to 8As shown, in the embodiment, the one-way driving mechanism comprises a lifting frame 601 arranged on the handle 104 and capable of lifting, a second elastic member 603 arranged between the lifting frame 601 and the handle 101, and two sets of ratchet bars 602 oppositely arranged on the inner wall of the lifting frame 601, wherein one set of the ratchet bars 602 is engaged with the ratchet wheel 501, and the mounting shell 102 is provided with a guide assembly connected with the lifting frame 601, which drives the lifting frame 601 to lift when the handle 104 reciprocates to make the two sets of ratchet bars 602 alternately engage with the ratchet wheel 501. The guide assembly comprises two sets of guide tracks 701 connected end to end in a ring shape, and the leading ends of the guide tracks 701 are in a stepped shape with the trailing ends of the other set of guide tracks 701, and the leading ends of the guide tracks 701 are provided with inclined surfaces 702, the lifting frame 601 is provided with a mounting bracket 604, one side of the mounting bracket 604 is slidingly provided with a guide column 605, and the third elastic member 606 is arranged between the guide column 605 and the other side of the mounting bracket 604, and the end of the guide column 605 is slidingly clamped in the guide track 701 and abuts against the inner wall thereof.

[0065] The handle 104 drives the lifting frame 601 to slide, thereby driving the guide column 605 to slide in the guide track 701, and the end of the guide column 605 always abuts against the inner wall of the guide track 701 under the action of the third elastic member 606, when the guide column 605 moves in the upper set of guide tracks 701 and reaches the end thereof, the guide column 605 is guided by the inclined surface 702 to move to the lower set of guide tracks 701 after passing through the stepped connection, thereby driving the lifting frame 601 to descend, so that the upper set of ratchet bars 602 engages with the ratchet wheel 501, thereby making the handle 104 drive the two sets of ratchet bars 602 to alternately engage with the ratchet wheel 501 during reciprocation, so as to control the ratchet wheel 501 to rotate in one direction, and different sizes of the ratchet wheel 501 can be arranged to make the handle 104 drive the ratchet wheel 501 to rotate for multiple turns during one gripping, so as to make the piston plate 301 reciprocate in the suction cylinder 201 for multiple times, thereby improving the suction speed.

[0066] As shown in the drawings, Figure 4 , 5 In the embodiment, the lifting frame 401 is provided with a connecting assembly, which selectively fixes or releases the connection between the lifting frame 401 and the piston rod 302. The connecting assembly comprises a clamping block 403, a clamping hole 402 formed in the lifting frame 401, the clamping block 403 slidingly clamped in the clamping hole 402, a clamping groove 303 formed in the end of the piston rod 302, the clamping block 403 clamped in the clamping groove 303, and the end of the piston rod 302 being a wedge-shaped surface, a fourth elastic member 405 arranged between the clamping block 403 and the clamping hole 402, and a pull ring 404 arranged on the clamping block 403 and extending out of the mounting shell 102.

[0067] In the installation of the suction cylinder 201, the piston rod 302 is inserted into the installation shell 102 downwards, the wedge surface at the end of the piston rod 302 pushes the clamping block 403 to slide and compresses the fourth elastic member 405, until the piston rod 302 penetrates into the clamping hole 402, the clamping block 403 is clamped into the clamping groove 303 under the reset action of the fourth elastic member 405, thereby realizing the automatic connection of the piston rod 302 and the lifting frame 401 in the process of installing the suction cylinder 201, the lifting of the lifting frame 401 can drive the piston rod 302 to lift, so as to realize the rapid suction, after use, the clamping block 403 can be separated from the clamping groove 303 by pulling the pull ring 404, so that the piston rod 302 can be disassembled, and the disposable parts can be discarded and replaced conveniently.

[0068] The specific use mode and beneficial effects of the present application are as follows:

[0069] In use, the puncture needle 207 is punctured into the thoracic cavity, and the handle 104 is repeatedly held and moved to slide on the installation shell 102, the sliding of the handle 104 is converted into the driving of the lifting frame 401 to lift by the driving unit in the movement process of the handle 104, the piston rod 302 is lifted in the suction cylinder 201 by the lifting frame 401 in the lifting process, and then the gas in the thoracic cavity is sucked into the gas collecting balloon 205 by the piston suction mechanism, so as to avoid the gas leakage and the influence on the health of medical staff, and the gas in the thoracic cavity of the patient is quickly sucked, and the treatment of pneumothorax is realized, after use, the fixation of the lifting frame 401 and the piston rod 302 can be released by the connecting assembly, and then the suction cylinder 201 can be disassembled, the suction cylinder 201, the puncture needle 207 and the gas collecting balloon 205 are disposable, and can be discarded after use, and the remaining parts can be repeatedly used, so that the whole device does not need to be discarded after each treatment, thereby effectively saving the treatment cost.

[0070] In the process of holding the handle 104, the lifting frame 601 is driven to slide, and the lifting frame 601 drives the guide column 605 to alternately move in the two groups of guide rails 701 in the process of sliding. When the guide column 605 is in contact with the slope 702 of the guide rail 701, the guide column 605 enters the tail end of the other group of guide rails 701 from the head end of one group of guide rails 701, and the stepped connection of the two groups of guide rails 701 matches the second elastic member 603 and the third elastic member 606, so that the guide column 605 can only move unidirectionally in the ring formed by the two groups of guide rails 701, thereby controlling the lifting frame 601 to reciprocatingly slide and reciprocatingly lift at the same time, so that the two groups of ratchet bars 602 are alternately engaged with the ratchet wheel 501, thereby controlling the ratchet wheel 501 to continuously rotate unidirectionally to drive the lifting frame 401 to reciprocatingly slide through the driving rod 503. When the diameter of the ratchet wheel 501 is small, a single holding of the handle 104 can make the piston plate 301 move in the piston for multiple times, so that the gas in the thoracic cavity can be quickly and uniformly discharged, and the efficiency of the treatment of pneumothorax is effectively improved.

[0071] The basic principles and main features of the present application and the advantages of the present application are shown and described above. It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and some modifications or improvements can be made on the basis of the present application, which is obvious for those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the present application are within the scope of the present application.

Claims

1. A thoracentesis and aspiration device for treating pneumothorax, characterized in that: Includes: A handle (101), wherein a mounting shell (102) is provided on the handle (101); An air pump (201) is detachably mounted on the mounting shell (102), wherein one end of the air pump (201) is provided with a puncture needle (207) and the other end is provided with a collecting balloon (205); A piston pumping mechanism is provided in the pumping cylinder (201), and includes a piston rod (302) provided in the pumping cylinder (201) and capable of being raised and lowered. The piston pumping mechanism converts the raising and lowering of the piston rod (302) into driving the gas in the puncture needle (207) to flow unidirectionally into the collecting balloon (205); A handle (104) is arranged on the mounting shell (102) in a transversely slidable manner, and a lifting frame (401) connected to the handle (104) is provided on the handle (104), and the driving unit converts the sliding of the handle (104) into driving the lifting frame (401) to move up and down; and a connecting assembly, arranged on the lifting frame (401), for selectively fixing or releasing the lifting frame (401) from the piston rod (302); The driving unit includes: A ratchet (501) is unidirectionally rotatable and disposed within the mounting housing (102); A driving rod (503), one end of which is eccentrically hinged to the ratchet (501), and the other end of which is hinged to the lifting frame (401); and a one-way driving mechanism, provided on the handle (104) and connected to the ratchet (501), so as to convert the reciprocating sliding motion of the handle (104) into driving the ratchet (501) to rotate in one direction; The one-way drive mechanism includes: A lifting frame (601) is liftably arranged on the handle (104), and a second elastic member (603) is provided between the lifting frame and the handle (104); Two groups of ratchet bars (602) are provided and are arranged on the upper and lower sides of the inner wall of the lifting frame (601) relative to each other, the two groups of ratchet bars (602) are in opposite directions, and one group of the ratchet bars (602) is engaged with the ratchet wheel (501); and a guide assembly, disposed on the mounting shell (102) and connected to the lifting frame (601), for driving the lifting frame (601) to move up and down when the handle (104) slides back and forth so that the two sets of ratchet bars (602) alternately engage with the ratchet wheel (501); The guide assembly includes: Two groups of guide rails (701) are provided, and the two groups of guide rails (701) are connected end to end in a ring shape, and the head end of the guide rail (701) is stepped with the tail end of the other group of guide rails (701), and the head ends of the two groups of guide rails (701) are provided with inclined surfaces (702); A mounting frame (604) is provided on the lifting frame (601); and The guide column (605) is slidably arranged along its axis through one side of the mounting frame (604), and a third elastic member (606) is provided between the guide column and the other side of the mounting frame (604). The end of the guide column (605) is slidably arranged in the guide track (701) and abuts against the inner wall.

2. A thoracentesis and aspiration device for treating pneumothorax according to claim 1, characterized in that: Two groups of snap-on frames (103) are provided on the mounting shell (102); one end of the vacuum cylinder (201) is detachably connected to the puncture needle (207) via an air inlet chamber (202); the other end is connected to the collecting balloon (205) via an air exhaust chamber (203); the air inlet chamber (202) and the air exhaust chamber (203) are respectively snap-on in the two groups of snap-on frames (103).

3. A thoracentesis and suction device for treating pneumothorax according to claim 2, characterized in that: The air inlet end of the collecting balloon (205) is sleeved on the exhaust chamber (203) and fixedly connected thereto via an elastic ring (206).

4. A thoracentesis and suction device for treating pneumothorax according to claim 2, characterized in that: The piston pumping mechanism includes: One-way valves (204) are provided in four groups and are all provided on the air pump (201), wherein two groups of the one-way valves (204) are connected to the air inlet chamber (202), and the other two groups of the one-way valves (204) are connected to the air exhaust chamber (203), so as to form two groups of one-way passages for gas to flow from the puncture needle (207) to the collecting balloon (205); and The piston plate (301) is arranged on the piston rod (302) and can slide between the two sets of one-way valves (204) on one side of the air pump (201). The penetration portion of the piston rod (302) on the air pump (201) is sealed.

5. A thoracentesis and aspiration device for treating pneumothorax according to claim 1, characterized in that: A first elastic member (105) is provided between the handle (101) and the grip (104).

6. A thoracentesis and suction device for treating pneumothorax according to claim 1, characterized in that: A hinged pawl (502) is provided in the mounting shell (102), the pawl (502) is clamped on the ratchet (501), and a torsion spring is provided at a hinge point between the pawl (502) and the mounting shell (102).

7. A thoracentesis and suction device for treating pneumothorax according to claim 1, characterized in that: The connecting component includes: A clamping block (403), wherein a clamping hole (402) is provided on the lifting frame (401), and the clamping block (403) is slidably clamped in the clamping hole (402), and a clamping groove (303) is provided at the end of the piston rod (302), and the clamping block (403) is clamped in the clamping groove (303), and the end of the piston rod (302) is a wedge-shaped surface; a fourth elastic member (405), disposed between the clamping block (403) and the clamping hole (402); and A pull ring (404) is provided on the clamping block (403) and extends out of the mounting shell (102).

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