Portable pneumothorax catheterization device compact in structure and efficient in operation

Abstract

The invention belongs to the technical field of medical instruments, and particularly relates to a portable pneumothorax catheterization device compact in structure and efficient in operation. The portable pneumothorax catheterization device comprises a puncture mechanism, an auxiliary fixing assembly and an adjusting assembly are arranged on the puncture mechanism, and a drainage tube is detachably connected into the puncture mechanism; the end, away from the puncture mechanism, of the drainage tube is connected with the collection bottle, a one-way valve is arranged at the end of the drainage tube, a through hole and a flowing groove are formed in the end, away from the one-way valve, of the drainage tube, and a thin tube is arranged in the drainage tube and communicated with the air bag. According to the safe and reliable portable pneumothorax catheterization device, a supporting cylinder, a limiting block and a reset spring of the puncture mechanism are linked, a puncture needle can be driven to stretch out for puncture by rotating the supporting cylinder, catheter propelling is synchronously completed, and traditional tedious steps such as puncture and incision are omitted; auxiliary instruments such as scissors and pliers are not needed, the problem that a traditional process is complex is solved, the method is suitable for emergency scenes such as pre-hospital first aid and field rescue, and time is won for rescue.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, specifically to a compact and efficient portable pneumothorax catheterization device. Background Technology

[0002] Pneumothorax occurs when air enters the pleural cavity, causing an accumulation of air. It is often caused by lung disease or external force that ruptures the lung tissue and visceral pleura, or by the rupture of tiny emphysematous bullae near the lung surface, allowing air from the lungs and bronchi to escape into the pleural cavity. During a pneumothorax attack, patients experience symptoms such as chest pain and difficulty breathing; in severe cases, it can even be life-threatening, requiring immediate drainage treatment.

[0003] Currently, the standard treatment for pneumothorax is closed chest drainage, which involves inserting a drainage tube into the chest cavity to remove air. This process requires multiple complex steps, including puncture, incision, blunt dissection, and insertion of the drainage tube. This demands that the operator be proficient in using various surgical instruments such as scissors and forceps within a short period. Taking emergency medical services as an example, this complex procedure not only consumes a significant amount of time but also places extremely high demands on the professional skills and teamwork of medical personnel. Any miscommunication can easily delay the optimal treatment window. In scenarios such as field rescue and battlefield first aid where medical personnel are scarce, traditional procedures are cumbersome and hinder rapid treatment. Therefore, this paper proposes a compact and efficient portable pneumothorax tube insertion device. Summary of the Invention

[0004] The main objective of this invention is to provide a compact and efficient portable pneumothorax catheterization device that can solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention proposes a safe and reliable portable pneumothorax catheter placement device, comprising a puncture mechanism, an auxiliary fixation component and an adjustment component, a drainage tube detachably connected to the puncture mechanism, the end of the drainage tube away from the puncture mechanism being connected to a collection bottle, and a one-way valve being provided at the end of the drainage tube, with a through hole and a flow groove at the end of the drainage tube away from the one-way valve, and a thin tube disposed within the drainage tube, the thin tube communicating with an air cuff, and an elastic bladder fixedly connected to the end of the thin tube away from the air cuff, by squeezing the air cuff, gas can be introduced into the elastic bladder, causing the elastic bladder to inflate, thereby fixing the drainage tube in the punctured pleural cavity channel, and gas and fluid in the pleural cavity can enter the drainage tube through the through hole and the flow groove to achieve stable drainage, the puncture mechanism comprising:

[0006] A fixed head, wherein a support cylinder is rotatably connected to the fixed head, a guide component is fixedly connected inside the fixed head, and a block is slidably connected in the guide component;

[0007] A round rod is fixed to a block, and a puncture needle is fixedly connected to the end of the round rod away from the block;

[0008] The conduit is fixedly connected to the side of the block away from the round rod. An inclined ring and a fixed ring are fixedly connected to the outer wall of the conduit. The fixed ring is elastically connected to the inner wall of the support cylinder by a return spring. The fixed ring is slidably connected in the support cylinder.

[0009] The limiting block is fixedly connected to the inner wall of the support cylinder. By rotating the support cylinder ninety degrees, the limiting block can rotate. During this process, the limiting block always limits the oblique ring. Under the action of the return spring, since the position of the limiting block remains unchanged, the oblique ring can drive the guide tube to move, so that the block slides in the guide and drives the round rod to move, so that the puncture needle can extend out of the fixed head to perform the puncture operation.

[0010] Preferably, a through groove is provided on the outer wall of the support cylinder, and an arc-shaped groove and a positioning groove are provided on the side of the support cylinder near the fixed head.

[0011] Preferably, a positioning column is fixedly connected to the side of the fixing head near the support cylinder. The positioning column matches the positioning groove. By using the positioning column and the positioning groove, the support cylinder can only rotate 90 degrees clockwise and counterclockwise, thereby achieving positioning of the rotation of the support cylinder.

[0012] Preferably, the guide member has a square groove in the middle, which matches the block, thereby ensuring the stability of the block when it moves.

[0013] Preferably, the round rod is provided with a protrusion, which is an arc-shaped protrusion.

[0014] Preferably, the round rod passes through the fixed head and is slidably connected to the fixed head.

[0015] Preferably, the auxiliary fixing component includes an elastic locking sleeve, with a first connector and a second connector fixed at both ends of the elastic locking sleeve, the first connector being fixed to the fixing head, and the second connector being fixed to the round rod.

[0016] Preferably, the elastic locking sleeve is fitted onto the protrusion. When the round rod retracts towards the fixed head, the elastic locking sleeve retracts while its middle part expands. In this way, the expanded elastic locking sleeve can be fixed to the punctured thoracic cavity passage, allowing the catheter to be positioned and facilitating stable guidance of the drainage tube, enabling the drainage tube to enter the thoracic cavity. Furthermore, since the protrusion is arc-shaped, the middle part of the elastic locking sleeve is more easily expanded during the retraction process.

[0017] Preferably, the adjusting component includes a threaded sleeve that is threadedly connected to the support cylinder. An annular groove is formed on the inner wall of the threaded sleeve, and a sliding block is slidably connected in the annular groove. The sliding block is fixed to a limiting ring.

[0018] Preferably, the sliding block is slidably connected in the through groove, and the limiting ring is used to limit the fixed ring. By rotating the threaded sleeve, the threaded sleeve moves on the support cylinder, thereby driving the sliding block to move and slide in the through groove. This adjusts the position of the limiting ring, so that when the support cylinder is rotated later, the distance that the catheter drives the fixed ring to move is limited, thereby adjusting the length of the puncture needle extending out of the fixed head, which is convenient to adapt to the differences in chest wall thickness of patients of different genders, ages, and body types.

[0019] This invention provides a compact and efficient portable pneumothorax catheterization device. It offers the following advantages:

[0020] (1) This safe and reliable portable pneumothorax catheterization device is linked by the support cylinder, limiting block and reset spring of the puncture mechanism. Rotating the support cylinder can drive the puncture needle to extend for puncture and simultaneously complete the catheter advancement, eliminating the cumbersome steps of traditional puncture and incision. It integrates multiple links such as puncture, tissue expansion, catheterization, gas cessation, anti-backflow drainage and catheter fixation, realizing the standardization of the process and integration of tools for chest cavity drainage operation. It does not require auxiliary instruments such as scissors and forceps, solving the problem of complex traditional process. It is suitable for emergency scenarios such as pre-hospital emergency care and field rescue, and buys time for rescue.

[0021] (2) This safe and reliable portable pneumothorax catheter placement device uses an auxiliary fixation component. Its elastic locking sleeve expands as the round rod contracts, fixing it to the pleural cavity channel; the elastic bladder of the drainage tube is inflated to further fix the catheter. The double fixation structure avoids catheter slippage due to patient movement or environmental vibration. At the same time, the elastic locking sleeve provides stable guidance for the drainage tube, ensuring continuous and unobstructed drainage, and solving the problem of traditional devices being unstable and prone to displacement.

[0022] (3) This safe and reliable portable pneumothorax catheterization device, through the use of adjustable components, allows for the adjustment of the threaded sleeve to adjust the position of the limiting ring, controlling the extension length of the puncture needle and adapting to different chest wall thicknesses; the one-way valve prevents backflow of external air, avoiding secondary pneumothorax. The positioning column and positioning groove limit the rotation angle of the support cylinder, ensuring controllable puncture operation. This improves the versatility and safety of the device and reduces the risk of operational errors. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, 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 the structures shown in these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 This is a schematic cross-sectional view of the overall structure of the present invention;

[0026] Figure 3 This is a partial cross-sectional view of the present invention;

[0027] Figure 4 This is a schematic diagram of a portion of the puncture mechanism of the present invention;

[0028] Figure 5 This is a schematic diagram of a portion of the three-dimensional structure of the present invention;

[0029] Figure 6 This is a schematic diagram of the support cylinder structure of the present invention;

[0030] Figure 7 This is a schematic diagram of the fixing head structure of the present invention;

[0031] Figure 8 For the present invention Figure 3 Schematic diagram of structure A in the middle;

[0032] Figure 9 This is a schematic diagram of the adjustment component structure of the present invention;

[0033] Figure 10 For the present invention Figure 3 Schematic diagram of structure B in the middle;

[0034] Figure 11 This is a physical image of the present invention.

[0035] In the diagram: 1. Puncture mechanism; 2. Auxiliary fixation component; 3. Adjustment component; 4. Drainage tube; 5. Collection bottle; 6. Thin tube; 7. Airbag; 8. One-way valve; Fixing head; 102. Support cylinder; 103. Guide component; 104. Square block; 105. Round rod; 106. Puncture needle; 107. Catheter; 108. Oblique ring; 109. Fixing ring; 110. Limiting block; Positioning post; 1021. Through groove; 1022. Arc groove; 1023. Positioning groove; 1031. Square groove; 1051. Protrusion; 21. Elastic locking sleeve; 22. Connector one; 23. Connector two; 31. Threaded sleeve; 32. Annular groove; 33. Sliding block; 34. Limiting ring; Through hole; 42. Flow groove; Elastic bladder.

[0036] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0037] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0038] Please see Figures 1-10 This invention proposes a compact and efficient portable pneumothorax catheter placement device, including a puncture mechanism 1, an auxiliary fixation component 2 and an adjustment component 3 on the puncture mechanism 1, a drainage tube 4 detachably connected to the puncture mechanism 1, the end of the drainage tube 4 away from the puncture mechanism 1 being connected to a collection bottle 5, and a one-way valve 8 being provided at the end of the drainage tube 4, a negative pressure pump being provided in the collection bottle 5 to facilitate the drainage of gas from the pleural cavity by the drainage tube 4, and a thin tube 6 being provided in the drainage tube 4, the thin tube 6 being connected to an air bag 7.

[0039] In an embodiment of the present invention, in order to enable thoracentesis of a patient, the puncture mechanism 1 specifically includes a fixed head 101, a round rod 105, a catheter 107, and a limiting block 110. A support cylinder 102 is rotatably connected to the fixed head 101. A guide member 103 is fixedly connected inside the fixed head 101. A block 104 is slidably connected in the guide member 103. A square groove 1031 is formed in the middle of the guide member 103, and the square groove 1031 matches the block 104. The round rod 105 is fixed to the block 104. A puncture needle 106 is fixedly connected to the end of the round rod 105 away from the block 104. The catheter 107 is fixedly connected to the side of the block 104 away from the round rod 105. The round rod 105 passes through the fixed head 101 and is slidably connected to the fixed head 101. An oblique ring 108 and a fixing ring 109 are fixedly connected to the outer wall of the catheter 107. The fixing ring 109 is connected to the inner wall of the support cylinder 102. The fixing ring 109 is slidably connected to the support cylinder 102 via a return spring elastic connection, and the limiting block 110 is fixedly connected to the inner wall of the support cylinder 102. By rotating the support cylinder 102 ninety degrees, the limiting block 110 can rotate. During this process, the limiting block 110 always limits the oblique ring 108. Since the position of the limiting block 110 remains unchanged, the oblique ring 108 can drive the catheter 107 to move, causing the block 104 to slide in the guide 103, driving the round rod 105 to move, so that the puncture needle 106 can extend out of the fixing head 101 to perform the puncture operation. During the extension of the puncture needle 106, the return spring is stretched. After the support cylinder 102 rotates, under the reset action of the return spring, the fixing ring 109 and the catheter 107 move, so that the puncture needle 106 can retract in the direction of the fixing head 101, thereby completing the thoracic puncture.

[0040] Furthermore, in order to position the rotation of the support cylinder 102, a through groove 1021 is provided on the outer wall of the support cylinder 102, and an arc-shaped groove 1022 and a positioning groove 1023 are provided on the side of the support cylinder 102 near the fixing head 101. A positioning post 1011 is fixedly connected to the side of the fixing head 101 near the support cylinder 102. The positioning post 1011 matches the positioning groove 1023. Through the use of the positioning post 1011 and the positioning groove 1023, the support cylinder 102 can only rotate 90 degrees clockwise and counterclockwise, thereby achieving the positioning of the rotation of the support cylinder 102 and ensuring that the puncture operation is controllable.

[0041] Furthermore, to assist in fixing the catheter 107 and facilitate stable guidance of the drainage tube 4, a protrusion 1051 is provided on the round rod 105. The protrusion 1051 is arc-shaped. The auxiliary fixing component 2 includes an elastic locking sleeve 21. Connectors 1 and 23 are fixed at both ends of the elastic locking sleeve 21. Connector 1 is fixed to the fixing head 101, and connector 23 is fixed to the round rod 105. The elastic locking sleeve 21 is fitted onto the protrusion 1051. When the round rod 105 retracts towards the fixing head 101, the elastic locking sleeve 21 retracts, while its middle part expands. This allows the puncture needle 1 to... During the extension of the fixed head 101, the elastic locking sleeve 21 is in a stretched state to prevent interference with the puncture work. When the puncture needle 106 retracts towards the fixed head 101, the round rod 105 drives the connecting piece 23 to move. Since the connecting piece 22 is stationary, the elastic locking sleeve 21 contracts and expands in the middle, so that the expanded elastic locking sleeve 21 can be fixed with the puncture thoracic cavity passage, thereby allowing the catheter 107 to be positioned, which facilitates the stable guidance of the drainage tube 4, allowing the drainage tube 4 to enter the thoracic cavity. Furthermore, since the protrusion 1051 is arc-shaped, the middle part of the elastic locking sleeve 21 is more easily expanded during the contraction process.

[0042] Furthermore, in order to stably guide the gas out of the patient's pleural cavity, specifically, the end of the drainage tube 4 away from the one-way valve 8 is provided with a through hole 41 and a flow groove 42, and the end of the thin tube 6 away from the cuff 7 is fixedly connected to an elastic bladder 61. Through the use of the one-way valve 8, while achieving drainage and decompression, it effectively prevents the backflow of external air into the pleural cavity through the drainage tube 4, avoiding secondary or recurrent tension pneumothorax, and improving the clinical safety and reliability of the device. The drainage tube 4 is then inserted into the catheter 107 and can be guided into the patient's pleural cavity channel. By squeezing the cuff 7, gas can be introduced into the elastic bladder 61, causing the elastic bladder 61 to expand, thereby fixing the drainage tube 4 in the punctured pleural cavity channel. Gas and fluid in the pleural cavity can enter the drainage tube 4 through the through hole 41 and the flow groove 42 to achieve stable drainage, ensure continuous and unobstructed drainage, and solve the problem of traditional devices being unstable and prone to displacement.

[0043] Furthermore, in order to adapt to different patients and control the extension length of the puncture needle 106 to accommodate different chest wall thicknesses, the adjustment component 3 specifically includes a threaded sleeve 31, which is threadedly connected to the support cylinder 102. An annular groove 32 is provided on the inner wall of the threaded sleeve 31, and a sliding block 33 is slidably connected in the annular groove 32. The sliding block 33 is fixed to the limiting ring 34 and is slidably connected in the through groove 1021. The limiting ring 34 is used to limit the fixed ring 109. By rotating the threaded sleeve 31, the threaded sleeve 31 moves on the support cylinder 102, thereby driving the sliding block 33 to move and slide in the through groove 1021, thereby adjusting the position of the limiting ring 34. This limits the distance that the catheter 107 moves to drive the fixed ring 109 when the support cylinder 102 is rotated, thereby adjusting the extension length of the puncture needle 106 beyond the fixed head 101, making it easier to adapt to the differences in chest wall thickness among patients of different genders, ages, and body types.

[0044] This invention utilizes the linkage between the support cylinder 102, the limiting block 110, and the reset spring in the puncture mechanism 1. Rotating the support cylinder 102 drives the puncture needle 106 to extend for puncture, simultaneously advancing the catheter 107, eliminating the cumbersome steps of traditional puncture and incision. It integrates multiple processes such as puncture, tissue expansion, catheter placement, gas cessation, anti-backflow drainage, and catheter 107 fixation into one unit, achieving standardized procedures and integrated tools for chest drainage operations. It eliminates the need for auxiliary instruments such as scissors and forceps, solving the problem of complex traditional procedures. It is suitable for emergency scenarios such as pre-hospital emergency care and field rescue, saving valuable time for rescue.

[0045] It should be noted that the above electrical components are all existing technology products. Those skilled in the art should select, install and complete the circuit debugging work according to the needs of use to ensure that all electrical appliances can work normally. The components are all general standard parts or components known to those skilled in the art. Their structure and principle can be known by those skilled in the art through technical manuals or conventional experimental methods. No specific restrictions are made here.

[0046] In use, first rotate the threaded sleeve 31, which moves on the support cylinder 102, thereby driving the sliding block 33 to move and slide in the through groove 1021. This adjusts the position of the limiting ring 34. Then, rotate the support cylinder 102 ninety degrees, allowing the limiting block 110 to rotate. During this process, the limiting block 110 always limits the oblique ring 108. Since the position of the limiting block 110 remains unchanged, the oblique ring 108 can drive the guide tube 107 to move, causing the square block 104 to slide in the guide member 103, which in turn drives the round rod 105 to move, allowing the puncture needle 106 to extend from the fixed head 101 for puncture. During the extension of the puncture needle 106... When the return spring is stretched, after the support cylinder 102 rotates, the return spring causes the fixing ring 109 and the catheter 107 to move, allowing the puncture needle 106 to retract towards the fixing head 101. This completes the thoracentesis. After the puncture, the drainage tube 4 is inserted into the catheter 107 and guided into the patient's chest cavity. By squeezing the balloon 7, gas is introduced into the elastic balloon 61, causing the elastic balloon 61 to expand and thus fix the drainage tube 4 in the punctured chest cavity. Gas and fluid in the chest cavity can enter the drainage tube 4 through the through hole 41 and the flow groove 42 and are collected through the collection bottle 5.

[0047] The above description is merely a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the present invention's specification and drawings under the inventive concept of the present invention, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present invention.

Claims

1. A compact and efficient portable pneumothorax catheter placement device, comprising a puncture mechanism (1), characterized in that: The puncture mechanism (1) is provided with an auxiliary fixing component (2) and an adjusting component (3). A drainage tube (4) is detachably connected to the puncture mechanism (1). The end of the drainage tube (4) away from the puncture mechanism (1) is connected to a collection bottle (5), and a one-way valve (8) is provided at the end of the drainage tube (4). A through hole (41) and a flow groove (42) are opened at the end of the drainage tube (4) away from the one-way valve (8). A thin tube (6) is provided in the drainage tube (4). The thin tube (6) is connected to an air bladder (7). An elastic bladder (61) is fixedly connected to the end of the thin tube (6) away from the air bladder (7). The puncture mechanism (1) includes: A fixed head (101) is rotatably connected to a support cylinder (102), and a guide (103) is fixedly connected inside the fixed head (101). A block (104) is slidably connected in the guide (103). A round rod (105) is fixed to a block (104), and a puncture needle (106) is fixedly connected to one end of the round rod (105) away from the block (104). A conduit (107) is fixedly connected to the side of the block (104) away from the round rod (105). An inclined ring (108) and a fixed ring (109) are fixedly connected to the outer wall of the conduit (107). The fixed ring (109) is elastically connected to the inner wall of the support cylinder (102) by a return spring. The fixed ring (109) is slidably connected in the support cylinder (102). and a limiting block (110), which is fixedly connected to the inner wall of the support cylinder (102).

2. The portable pneumothorax catheter placement device with a compact structure and high operating efficiency according to claim 1, characterized in that: A through groove (1021) is provided on the outer wall of the support cylinder (102), and an arc groove (1022) and a positioning groove (1023) are provided on the side of the support cylinder (102) near the fixing head (101).

3. The portable pneumothorax catheter placement device with a compact structure and high operating efficiency according to claim 2, characterized in that: The fixing head (101) is fixedly connected to a positioning column (1011) on the side near the support cylinder (102), and the positioning column (1011) matches the positioning groove (1023).

4. The portable pneumothorax catheter placement device with compact structure and high efficiency according to claim 1, characterized in that: The guide (103) has a square groove (1031) in the middle, which matches the block (104).

5. The portable pneumothorax catheter placement device with compact structure and high efficiency according to claim 1, characterized in that: The round rod (105) is provided with a protrusion (1051), which is an arc-shaped protrusion.

6. The portable pneumothorax catheter placement device with compact structure and high efficiency according to claim 1, characterized in that: The round rod (105) passes through the fixed head (101) and is slidably connected to the fixed head (101).

7. A portable pneumothorax catheter placement device with a compact structure and high operating efficiency according to claim 5, characterized in that: The auxiliary fixing component (2) includes an elastic locking sleeve (21). The elastic locking sleeve (21) has a connector one (22) and a connector two (23) fixed at both ends. The connector one (22) is fixed to the fixing head (101), and the connector two (23) is fixed to the round rod (105).

8. A portable pneumothorax catheter placement device with a compact structure and high operating efficiency according to claim 7, characterized in that: The elastic locking sleeve (21) is fitted onto the protrusion (1051). When the round rod (105) retracts toward the fixed head (101), the elastic locking sleeve (21) retracts and its middle part expands.

9. A portable pneumothorax catheter placement device with a compact structure and high operating efficiency according to claim 5, characterized in that: The adjustment component (3) includes a threaded sleeve (31), which is threadedly connected to the support cylinder (102). An annular groove (32) is provided on the inner wall of the threaded sleeve (31), and a sliding block (33) is slidably connected in the annular groove (32). The sliding block (33) is fixed to the limiting ring (34).

10. A portable pneumothorax catheter placement device with a compact structure and high operating efficiency according to claim 9, characterized in that: The sliding block (33) is slidably connected in the through groove (1021), and the limiting ring (34) is used to limit the fixed ring (109).

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