A kind of air bag type chest closed drainage tube and its application method

Abstract

This invention relates to a pneumatic closed thoracic drainage tube and its application method. The tube includes a drainage tube with a reinforcing ring fixedly mounted on its inner wall and a movable ring movably mounted on its inner wall, connected to the reinforcing ring by a spring. An elastic airbag and a concave groove are fitted onto the outer surface of the movable ring. Multiple through-slots are arranged in a ring at the bottom of the concave groove. A trachea for inflating and deflating the elastic airbag is fixedly mounted on the movable ring. A branch tube for the supply airbag is connected to the drainage tube. The end of the branch tube is connected to an operating handle for pulling the trachea and a position adjustment unit for adjusting the position of the operating handle. The operating handle is equipped with a pressure detection unit, a first compression balloon, and a second compression balloon. Using the method of this application, not only can the implantation detection of the last side hole be performed by monitoring the pressure change of the elastic airbag, but the elastic airbag can also be used for emergency sealing of the drainage tube and for clearing blockages in the drainage tube.

Description

Technical Field

[0001] This invention relates to the field of drainage tube technology, and more specifically, to a pneumatic closed thoracic drainage tube and its application method. Background Technology

[0002] Closed chest drainage is a treatment method that establishes a channel for the drainage of gas or fluid by inserting a drainage tube into the pleural cavity. It is mainly used for pneumothorax, pleural effusion, and postoperative management after thoracotomy. Its core principle is to use the one-way valve of a water-seal bottle to expel gas during inhalation and prevent outside air from entering during exhalation.

[0003] To ensure smooth drainage, drainage tubes typically have several non-aligned side holes at the end of the tube. During insertion, it is crucial to ensure that the last side hole is fully inserted into the pleural cavity; otherwise, gas or fluid may not drain effectively, leading to subcutaneous emphysema (gas accumulation in subcutaneous tissue) or drainage failure. Currently, determining whether the last side hole is fully inserted into the pleural cavity still requires chest X-ray or chest CT scan results, which is time-consuming and inflexible. Repeated adjustments to the drainage tube position can also cause additional pain for the patient. Therefore, there is an urgent need for a balloon-type closed pleural drainage tube and its application method that can promptly determine the insertion depth and confirm whether the last side hole is fully inserted into the pleural cavity. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a pneumatic closed thoracic drainage tube, and to provide a method for applying the pneumatic closed thoracic drainage tube, in view of the above-mentioned defects of the prior art.

[0005] The technical solution adopted by this invention to solve its technical problem is:

[0006] A pneumatic closed thoracic drainage tube includes a drainage tube with multiple side holes spaced apart along its length at its front end. A reinforcing ring is fixedly mounted on the inner wall of the drainage tube. A movable ring is movably mounted on the inner wall of the drainage tube between the side hole at the far end and the reinforcing ring, and the movable ring is connected to the reinforcing ring by a spring. An annular elastic airbag and a concave groove for mounting the elastic airbag are fitted onto the outer surface of the movable ring. Initially, the elastic airbag is directly opposite the side hole at the far end. Multiple through slots communicating with the inner holes of the movable ring are arranged annularly at the bottom of the concave groove. A spring for mounting the elastic airbag is fixedly mounted on the movable ring. The trachea is inflatable and deflated; a branch tube is connected to the drainage tube for the trachea to pass through, and the end of the branch tube is connected to an operating handle for pulling the trachea and a position adjustment unit for adjusting the position of the operating handle. The operating handle is equipped with a pressure detection unit, a first compression balloon, and a second compression balloon. The trachea, the first compression balloon, and the second compression balloon are sequentially connected and communicate with each other. The pressure detection unit is located between the trachea and the first compression balloon. When the first compression balloon is pressed, the elastic balloon inflates and blocks the side hole at the very end, and partially extends beyond the side hole at the very end. When the second compression balloon is pressed, the elastic balloon inflates and blocks the inner hole of the movable ring.

[0007] The pneumatic closed thoracic drainage tube of the present invention, when used:

[0008] In the initial state, the elastic airbag is directly opposite the side hole at the very end, and the elastic airbag is in a contracted state.

[0009] When inserting the drainage tube, hold the drainage tube with your hand and press the first compression balloon to inflate the elastic balloon, blocking the side hole at the very end and partially extending beyond the side hole at the very end.

[0010] During implantation, observe the changes in the readings of the air pressure detection unit, and determine whether the end side hole has passed through the subcutaneous tissue and entered the pleural cavity based on the changes in the readings.

[0011] Then, release the first pressing balloon, causing the elastic airbag to contract. Move the operating handle outward using the position adjustment unit to make the moving ring retract, the spring is compressed, and the elastic airbag avoids the side hole at the very end.

[0012] When an emergency occurs and the drainage tube needs to be blocked, pressing the second compression balloon inflates the elastic airbag to block the inner hole of the movable ring and simultaneously compresses the inner wall of the drainage tube, thus blocking the drainage tube.

[0013] When the drainage tube becomes blocked, the position adjustment unit is used to release the position lock of the operating handle, and the suction operation is repeated until the blockage is cleared.

[0014] The suction operation includes: pressing the second pressing balloon to inflate the elastic airbag and seal the inner hole of the movable ring while squeezing the inner wall of the drainage tube; then pulling the operating handle outward to complete the suction action; then releasing the second pressing balloon, the elastic airbag contracts and opens the inner hole of the movable ring; returning the operating handle; and the movable ring resets under the action of the spring.

[0015] The air-filled closed thoracic drainage tube of the present invention includes a position adjustment unit comprising an external thread on the outer surface of the end of the branch tube and an internal thread on the inner surface of the end of the operating handle.

[0016] The position adjustment unit moves the operating handle outward to make the movable ring retract, which is achieved through the engagement depth of the internal and external threads;

[0017] The position adjustment unit releases the position lock of the operating handle by releasing the thread engagement through the internal and external threads.

[0018] The pneumatic closed thoracic drainage tube of the present invention has a rubber plug inside the branch tube, and the rubber plug has a through hole for the trachea to pass through.

[0019] The air-filled closed thoracic drainage tube of the present invention is provided with a guide roller at the connection between the branch tube and the drainage tube to guide the trachea to change direction.

[0020] The air-filled closed thoracic drainage tube of the present invention includes a guide sleeve on the reinforcing ring, a spring sleeved on the guide sleeve, and a movable sleeve slidably disposed on the guide sleeve.

[0021] The air-filled closed thoracic drainage tube of the present invention includes a guide sleeve composed of multiple guide rods, each guide rod passing through the area between adjacent through slots on the movable sleeve.

[0022] A method for using a balloon-type closed chest drainage tube, wherein the method includes the following steps:

[0023] In the initial state, the elastic airbag is directly opposite the side hole at the very end, and the elastic airbag is in a contracted state.

[0024] When inserting the drainage tube, hold the drainage tube with your hand and press the first compression balloon to inflate the elastic balloon, blocking the side hole at the very end and partially extending beyond the side hole at the very end.

[0025] During implantation, observe the changes in the readings of the air pressure detection unit, and determine whether the end side hole has passed through the subcutaneous tissue and entered the pleural cavity based on the changes in the readings.

[0026] Then, release the first pressing balloon, causing the elastic airbag to contract. Move the operating handle outward using the position adjustment unit to make the moving ring retract, the spring is compressed, and the elastic airbag avoids the side hole at the very end.

[0027] When an emergency occurs and the drainage tube needs to be blocked, pressing the second compression balloon inflates the elastic airbag to block the inner hole of the movable ring and simultaneously compresses the inner wall of the drainage tube, thus blocking the drainage tube.

[0028] When the drainage tube becomes blocked, the position adjustment unit is used to release the position lock of the operating handle, and the suction operation is repeated until the blockage is cleared.

[0029] The suction operation includes: pressing the second pressing balloon to inflate the elastic airbag and seal the inner hole of the movable ring while squeezing the inner wall of the drainage tube; then pulling the operating handle outward to complete the suction action; then releasing the second pressing balloon, the elastic airbag contracts and opens the inner hole of the movable ring; returning the operating handle; and the movable ring resets under the action of the spring.

[0030] The beneficial effects of the present invention are as follows: In the initial state, the elastic airbag is directly opposite the side hole at the far end, and the elastic airbag is in a contracted state.

[0031] When inserting the drainage tube, hold the drainage tube with your hand and press the first compression balloon to inflate the elastic balloon, blocking the side hole at the very end and partially extending beyond the side hole at the very end.

[0032] During implantation, observe the changes in the readings of the air pressure detection unit, and determine whether the end side hole has passed through the subcutaneous tissue and entered the pleural cavity based on the changes in the readings.

[0033] Then, release the first pressing balloon, causing the elastic airbag to contract. Move the operating handle outward using the position adjustment unit to make the moving ring retract, the spring is compressed, and the elastic airbag avoids the side hole at the very end.

[0034] When an emergency occurs and the drainage tube needs to be blocked, pressing the second compression balloon inflates the elastic airbag to block the inner hole of the movable ring and simultaneously compresses the inner wall of the drainage tube, thus blocking the drainage tube.

[0035] When the drainage tube becomes blocked, the position adjustment unit is used to release the position lock of the operating handle, and the suction operation is repeated until the blockage is cleared.

[0036] The suction operation includes: pressing the second pressing balloon to inflate the elastic airbag and seal the inner hole of the movable ring while squeezing the inner wall of the drainage tube; then pulling the operating handle outward to complete the suction action; then releasing the second pressing balloon, the elastic airbag contracts and opens the inner hole of the movable ring; returning the operating handle; and the movable ring resets under the action of the spring.

[0037] The method described in this application can not only detect the implantation of the last side hole by changing the air pressure of the elastic airbag, but also perform emergency sealing of the drainage tube and clear blockages in the drainage tube using the elastic airbag. The operation is simple and can solve the three problems mentioned above in the current drainage tubes, making it suitable for widespread application. Attached Figure Description

[0038] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort:

[0039] Figure 1 This is a cross-sectional view of the drainage tube structure of the pneumatic closed thoracic drainage tube according to a preferred embodiment of the present invention.

[0040] Figure 2 This is a schematic diagram of the movable ring cross-section of the pneumatic closed thoracic drainage tube according to a preferred embodiment of the present invention;

[0041] Figure 3 This is a cross-sectional view of the branch tube and adjustment handle of the airbag-type closed thoracic drainage tube according to a preferred embodiment of the present invention.

[0042] Figure 4 This is a flowchart illustrating the application method of the pneumatic closed thoracic drainage tube according to a preferred embodiment of the present invention. Detailed Implementation

[0043] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, a clear and complete description will be provided below in conjunction with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the protection scope of the present invention.

[0044] A preferred embodiment of the present invention is a pneumatic closed thoracic drainage tube, such as... Figure 1 As shown, see also Figure 2 and Figure 3The system includes a drainage tube 1, with multiple side holes 10 spaced apart along its length at the front end. A reinforcing ring 11 is fixedly installed on the inner wall of the drainage tube 1. A movable ring 12 is movably installed on the inner wall of the drainage tube 1 between the side hole 10 at the far end and the reinforcing ring 11. The movable ring 12 is connected to the reinforcing ring 11 by a spring 13. An annular elastic airbag 120 and a concave groove 121 for mounting the elastic airbag 120 are sleeved on the outer surface of the movable ring 12. In the initial state, the elastic airbag 120 is directly opposite the side hole 10 at the far end. Multiple through grooves 122, which communicate with the inner holes of the movable ring 12, are arranged in annular pattern at the bottom of the concave groove 121. An air tube 123 for inflating and deflating the elastic airbag 120 is fixedly installed on the movable ring 12. A branch pipe 14 is connected to the air supply tube 123, through which the branch pipe 14 passes. The end of the branch pipe 14 is connected to an operating handle 15 for pulling the air supply tube 123 and a position adjustment unit 16 for adjusting the position of the operating handle 15. The operating handle 15 is equipped with an air pressure detection unit 150, a first compression balloon 151 and a second compression balloon 152. The air supply tube 123, the first compression balloon 151 and the second compression balloon 152 are connected in sequence and communicate with each other. The air pressure detection unit 150 is located between the air supply tube 123 and the first compression balloon 151. When the first compression balloon 151 is pressed, the elastic balloon 120 inflates and blocks the side hole 10 at the very end and partially extends beyond the side hole 10 at the very end. When the second compression balloon 152 is pressed, the elastic balloon 120 inflates and blocks the inner hole of the movable ring 12.

[0045] In the initial state, the elastic airbag 120 is directly opposite the side hole 10 at the far end, and the elastic airbag 120 is in a contracted state.

[0046] When inserting the drainage tube, hold the drainage tube 1 and press the first compression balloon 151 at the same time, so that the elastic airbag 120 inflates and blocks the side hole 10 at the very end and extends beyond the side hole 10 at the very end.

[0047] During implantation, the reading changes of the air pressure detection unit 150 are observed, and the changes in the readings are used to determine whether the end side hole 10 has passed through the subcutaneous tissue and entered the pleural cavity (the part of the elastic airbag 120 that extends beyond the end side hole 10 is used as the detection site for pressure testing).

[0048] Then, release the first pressing balloon 151, causing the elastic airbag 120 to contract. The operating handle 15 is moved outward by the position adjustment unit 16, causing the movable ring 12 to retract. The spring 13 is compressed, and the elastic airbag 120 avoids the side hole 10 at the very end.

[0049] When an emergency occurs and it is necessary to block the drainage tube 1, the second pressing balloon 152 is pressed to inflate the elastic airbag 120 to block the inner hole of the movable ring 12 and simultaneously squeeze the inner wall of the drainage tube 1, thus completing the blockage of the drainage tube 1.

[0050] When the drainage tube 1 becomes blocked, the position adjustment unit 16 releases the position lock of the operating handle 15 and repeats the suction operation until the blockage is cleared (if multiple suctions still cannot clear the blockage, the tube insertion operation needs to be repeated).

[0051] The suction operation includes: pressing the second pressing balloon 152 to inflate the elastic airbag 120 to block the inner hole of the movable ring 12 and squeeze the inner wall of the drainage tube 1, then pulling the operating handle 15 outward to complete the suction action, and then releasing the second pressing balloon 152, the elastic airbag 120 contracting to open the inner hole of the movable ring 12, returning the operating handle 15, and the movable ring 12 resetting under the action of the spring 13;

[0052] By applying the method of this application, not only can the implantation position of the last side hole 10 be detected by the air pressure change of the elastic airbag 120, but the elastic airbag 120 can also be used to perform emergency sealing operation of the drainage tube 1 and emergency unblocking treatment of the drainage tube 1. The operation is simple and can solve the above three problems of the current drainage tube 1 at the same time, which is suitable for promotion and popularization.

[0053] Preferably, the position adjustment unit 16 includes an external thread 160 provided on the outer surface of the end of the branch pipe 14 and an internal thread 161 provided on the inner surface of the end of the operating handle 15.

[0054] The position adjustment unit 16 moves the operating handle 15 outward to make the movable ring 12 retract, which is achieved by the engagement depth of the internal thread 161 and the external thread 160;

[0055] The position lock on the operating handle 15 is released by the position adjustment unit 16, and the thread engagement is released by the internal thread 161 and the external thread 160.

[0056] This threaded fit structure enables the switching between three states. It is not only simple in structure and low in cost, but also very convenient to operate. The three states have good recognizability, and the maintenance of the three states also has good reliability.

[0057] Preferably, the branch pipe 14 is provided with a rubber plug 140 inside, and the rubber plug 140 is provided with a through hole through which the air supply pipe 123 passes; a guide roller 141 is provided at the connection between the branch pipe 14 and the drainage pipe 1 to guide the air pipe 123 to turn; with this structure, the sealing performance and reliability of the air pipe 123 during movement can be guaranteed. Preferably, the air pipe 123 itself has a certain degree of rigidity to avoid blockage at bends that prevent air from flowing.

[0058] Preferably, a guide sleeve 17 is provided on the reinforcing ring 11, a spring 13 is sleeved on the guide sleeve 17, and a movable sleeve 12 is slidably disposed on the guide sleeve 17; the guide sleeve 17 is formed by multiple guide rods 170, and the guide rods 170 pass through the area between adjacent through slots 122 on the movable sleeve 12 in a one-to-one correspondence.

[0059] This unique structural design ensures that the movable ring 12 does not deviate to the side while maintaining the deformation of the elastic airbag 120 to seal the inner hole of the movable ring 12. It also limits the deformation of the spring 13, further ensuring the reliability of the position movement of the movable ring 12 and ensuring the adjustment accuracy of the entire structure.

[0060] A method for using a balloon-type closed chest drainage tube, wherein the balloon-type closed chest drainage tube described above is used. Figure 4 As shown, the method includes the following steps:

[0061] S01: In the initial state, the elastic airbag is directly opposite the side hole at the far end, and the elastic airbag is in a contracted state.

[0062] S02: When inserting the drainage tube, hold the drainage tube with your hand and press the first compression balloon at the same time to make the elastic balloon inflate and block the side hole at the very end and partially extend beyond the side hole at the very end.

[0063] S03: During the implantation process, observe the changes in the readings of the air pressure detection unit, and determine whether the side hole at the very end has passed through the subcutaneous tissue and entered the pleural cavity based on the changes in the readings.

[0064] S04: Then, release the first pressing balloon, causing the elastic airbag to contract. Move the operating handle outward using the position adjustment unit to make the moving ring retract, the spring is compressed, and the elastic airbag avoids the side hole at the very end.

[0065] S05: When an emergency occurs and the drainage tube needs to be blocked, press the second compression balloon to inflate the elastic airbag and block the inner hole of the movable ring, while simultaneously squeezing the inner wall of the drainage tube to complete the blocking of the drainage tube.

[0066] S06: When the drainage tube is blocked, the position adjustment unit is used to release the position lock of the operating handle, and the suction operation is repeated until the blockage is cleared.

[0067] The suction operation includes: pressing the second pressing balloon to inflate the elastic airbag and seal the inner hole of the movable ring while squeezing the inner wall of the drainage tube; then pulling the operating handle outward to complete the suction action; then releasing the second pressing balloon, the elastic airbag contracts and opens the inner hole of the movable ring; returning the operating handle; and the movable ring resets under the action of the spring.

[0068] The method described in this application can not only detect the implantation of the last side hole by changing the air pressure of the elastic airbag, but also perform emergency sealing of the drainage tube and clear blockages in the drainage tube using the elastic airbag. The operation is simple and can solve the three problems mentioned above in the current drainage tubes, making it suitable for widespread application.

[0069] It should be understood that those skilled in the art can make improvements or modifications based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims.

Claims

1. A pneumatic closed thoracic drainage tube, comprising a drainage tube, wherein the front end of the drainage tube is provided with a plurality of side holes spaced apart along its length, characterized in that, A reinforcing ring is fixedly installed on the inner wall of the drainage tube. A movable ring is movably installed on the inner wall of the drainage tube between the side hole at the far end and the reinforcing ring. The movable ring is connected to the reinforcing ring by a spring. An annular elastic airbag and a concave groove for installing the elastic airbag are sleeved on the outer surface of the movable ring. In the initial state, the elastic airbag is directly opposite the side hole at the far end. Multiple through slots communicating with the inner hole of the movable ring are arranged in annular pattern at the bottom of the concave groove. An air tube for inflating and deflating the elastic airbag is fixedly installed on the movable ring. A branch tube for the air tube to pass through is connected to the drainage tube. An operating handle for pulling the air tube is connected to the end of the branch tube. The system includes a position adjustment unit for adjusting the position of the operating handle. The operating handle is equipped with a pressure detection unit, a first compression balloon, and a second compression balloon. The trachea, the first compression balloon, and the second compression balloon are sequentially connected and communicate with each other. The pressure detection unit is located between the trachea and the first compression balloon. When the first compression balloon is pressed, the elastic balloon inflates and seals the side hole at the very end, partially extending beyond the side hole. When the second compression balloon is pressed, the elastic balloon inflates and seals the inner hole of the movable ring. The position adjustment unit includes an external thread on the outer surface of the end of the branch tube and an internal thread on the inner surface of the end of the operating handle. The position adjustment unit moves the operating handle outward to retract the movable ring, which is achieved through the engagement depth of the internal and external threads; The position lock of the operating handle is released by relying on the position adjustment unit, and the thread engagement is released through the internal and external threads. The application method adopted is as follows: In the initial state, the elastic airbag is directly opposite the side hole at the very end, and the elastic airbag is in a contracted state. When inserting the drainage tube, hold the drainage tube with your hand and press the first compression balloon at the same time to inflate the elastic balloon, which will block the side hole at the very end and extend beyond the side hole at the very end. During implantation, observe the changes in the readings of the air pressure detection unit, and determine whether the end side hole has passed through the subcutaneous tissue and entered the pleural cavity based on the changes in the readings. Then, release the first pressing balloon, causing the elastic airbag to contract. Move the operating handle outward using the position adjustment unit to make the moving ring retract, the spring is compressed, and the elastic airbag avoids the side hole at the very end. When an emergency occurs and the drainage tube needs to be blocked, pressing the second compression balloon inflates the elastic airbag to block the inner hole of the movable ring and simultaneously compresses the inner wall of the drainage tube, thus blocking the drainage tube. When the drainage tube becomes blocked, the position adjustment unit is used to release the position lock of the operating handle, and the suction operation is repeated until the blockage is cleared. The suction operation includes: pressing the second pressing balloon to inflate the elastic airbag and seal the inner hole of the movable ring while squeezing the inner wall of the drainage tube; then pulling the operating handle outward to complete the suction action; then releasing the second pressing balloon, the elastic airbag contracts and opens the inner hole of the movable ring; returning the operating handle; and the movable ring resets under the action of the spring.

2. The pneumatic closed thoracic drainage tube according to claim 1, characterized in that, The branch tube is equipped with a rubber plug inside, and the rubber plug has a through hole for the air tube to pass through.

3. The pneumatic closed thoracic drainage tube according to claim 1, characterized in that, The connection between the branch pipe and the drainage pipe is provided with a guide roller to guide the trachea to change direction.

4. The pneumatic closed thoracic drainage tube according to claim 1, characterized in that, A guide sleeve is provided on the reinforcing ring, the spring is sleeved on the guide sleeve, and the movable ring is slidably disposed on the guide sleeve.

5. The pneumatic closed thoracic drainage tube according to claim 4, characterized in that, The guide sleeve is formed by multiple guide rods, which pass through the area between adjacent through slots on the movable ring in a one-to-one correspondence.

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