Dual channel tracheostomy device with integrated sputum suction channel

Abstract

This invention discloses a dual-channel tracheostomy device with an integrated suction channel, belonging to the field of tracheostomy technology. It aims to solve the technical problems of current tracheostomy devices, including the tracheostomy cannula, which have limited functionality and struggle to dynamically adapt to ventilation needs due to the need to reserve channels for inserting other tubes. The invention integrates a humidification tube, a drug delivery tube, and a suction tube in the secondary channel through the design of the tracheostomy cannula and the connecting components. This integrates airway humidification, local drug delivery, and suction functions. The connection control structure allows the secondary channel to cooperate with the main channel to widen the artificial trachea, or allows the main channel, humidification tube, drug delivery tube, and suction tube to operate independently. Through the collaborative design of the tracheostomy cannula and the connecting components, this invention balances basic ventilation and dynamic widening needs, adapting to different respiratory support scenarios. Furthermore, the integration of multiple channels simplifies operation and reduces the risk of airway injury. Precise switching of the connection control ensures functional independence and ease of operation.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tracheostomy, more particularly to a double-channel tracheostomy device integrated with a sputum suction channel. BACKGROUND

[0002] The tracheostomy device is a core medical instrument for establishing and maintaining an artificial airway in clinical practice. It is mainly used for patients with airway obstruction and respiratory failure who cannot breathe independently. By directly cutting the trachea in the neck and inserting a catheter, gas exchange, sputum drainage, and mechanical ventilation support can be achieved. The core of the tracheostomy device has always been to develop more safely (reduce injury / infection), more effectively (adapt to ventilation / drainage), and more comfortable (improve patient tolerance). Currently, the device has become a standard instrument in ICU, neurology, otolaryngology, and rehabilitation, and is a key medical tool to support the treatment of patients with respiratory failure and airway obstruction.

[0003] However, existing tracheostomy devices are mostly designed with single functions. Airway humidification, local drug delivery, and sputum suction require multiple independent instruments, which need to be repeatedly inserted into the airway. This not only increases the workload of medical staff but also repeatedly rubs the airway mucosa, increasing the risk of injury. Moreover, the humidification and drug delivery require a reserved channel for insertion, which affects the internal diameter of the artificial airway and makes it difficult to dynamically adapt to ventilation needs and to be compatible with different scenarios of conventional ventilation and high-flow ventilation. In view of this, we propose a double-channel tracheostomy device integrated with a sputum suction channel. SUMMARY

[0004] The purpose of the present application is to overcome the shortcomings of the prior art, adapt to real needs, and provide a double-channel tracheostomy device integrated with a sputum suction channel to solve the technical problem of the current tracheostomy device having a single function and being difficult to dynamically adapt to ventilation needs due to the need to reserve a channel for inserting other tubes.

[0005] To solve the above technical problems, the present application provides the following technical solution: a double-channel tracheostomy device integrated with a sputum suction channel, comprising a tracheostomy cannula and a pipeline communication assembly;

[0006] The pipeline communication assembly comprises a main channel, a secondary channel, and a communication control structure. The main channel is inserted into the inside of the tracheostomy cannula, and the secondary channel is installed inside the main channel. The secondary channel is composed of a humidification tube on one side, a drug delivery tube on the other side, and a sputum suction cannula in the middle. The main channel is used as an artificial trachea, and the sputum suction cannula is used to insert and fix a disposable sputum suction tube.

[0007] The communication control structure includes a cover, a connecting pipe, an elastic ring, and an annular groove. The cover is fitted onto the top of the main channel and seals the top of the main channel. Several connecting pipes are installed on the cover, and the connecting pipes correspond to the main channel and the secondary channel, respectively. Several elastic rings are located on the outside of the main channel, and the annular groove is located on the inside of the cover, with the elastic rings and the annular groove matching each other.

[0008] Preferably, when the uppermost elastic ring is embedded in the annular groove, the main channel and the secondary channel are disconnected from the connecting pipe;

[0009] When the bottommost elastic ring is embedded in the ring groove, several connecting pipes are respectively inserted into the main channel and the secondary channel to form several independent pipes, and the tops of the several independent pipes are isolated from each other.

[0010] Preferably, a pipe flow guiding assembly is also installed in the secondary channel, the pipe flow guiding assembly including a tie rod, a movable sealing plate, a fixed sealing plate, a through hole and a one-way flow control structure;

[0011] Several pull rods are slidably connected to the connecting tubes on both sides. Several movable sealing plates are installed at the ends of several pull rods and are slidably connected inside the humidification tube and the administration tube. Several fixed sealing plates are installed inside the humidification tube and the administration tube. One side of each movable sealing plate has an elastic protrusion, and the movable sealing plate is snapped onto the fixed sealing plate by the elastic protrusion. When the movable sealing plate and the fixed sealing plate are snapped together, a sealing structure is formed in the middle of the humidification tube or the administration tube. Several through holes are opened on the suction catheter and connect the suction catheter with the humidification tube and the administration tube. The through holes are located above the sealing structure, and a one-way flow control structure is installed inside the through holes.

[0012] Preferably, the unidirectional flow control structure includes a fixing frame and a flow control membrane;

[0013] The fixing frame is installed in the through hole, and the fixing frame is an umbrella-shaped frame. The inclined surface of the umbrella-shaped frame faces the suction tube side. The heads of several flow control membranes are equidistantly and annularly installed at the center of the umbrella-shaped frame, and the flow control membranes are attached to the inclined surface of the umbrella-shaped frame.

[0014] Preferably, the suction catheter is equipped with a suction guide assembly, which includes a suction sleeve, a guide control ring, a traction cable, and a traction structure.

[0015] The suction sleeve is installed at the end of the suction tube, the guide control ring is embedded in the head end of the suction sleeve, and a number of traction cables are installed in a ring at equal intervals at the top of the guide control ring. The traction cables pass through the suction sleeve, the suction tube and the connecting tube and are connected to the traction structure.

[0016] Preferably, the suction soft sheath is a thin-walled, pleated, flexible catheter, and the tip of the suction soft sheath is designed with an inward-retracting structure, which fixes the tip of the disposable suction tube to the tip of the suction soft sheath.

[0017] Preferably, the traction structure includes a traction plate, a sealing cavity, an air duct, an exhaust valve, and an electrically controlled inflatable airbag;

[0018] Several traction plates are respectively installed on several traction cables, and several traction plates are respectively slidably connected in several sealed cavities. The connection between the traction plates and the sealed cavities is sealed. Several sealed cavities are equidistantly and annularly installed on the central connecting pipe. Several air guide pipes are respectively connected to the top of several sealed cavities. Several exhaust valves are respectively connected to the bottom of several sealed cavities. The other end of several air guide pipes is respectively connected to several electrically controlled inflatable airbags.

[0019] Preferably, the plurality of traction cables generate differentiated tension as driven by the traction structure, pulling the guide control ring, and the guide control ring controls the suction soft sleeve to generate directional deflection.

[0020] Preferably, the suction catheter is further equipped with a suction catheter fixing assembly, which includes a fixing tube, a buffer block, a buffer elastic element, and a buffer groove.

[0021] The fixed tube is slidably connected to the tip of the suction tube. Several buffer blocks are equidistantly and annularly installed on the outside of the fixed tube. Several buffer elastic elements are respectively installed on several buffer elastic blocks. Several buffer blocks are slidably connected in several buffer grooves. Several buffer elastic elements are respectively installed in several buffer grooves. Several buffer grooves are equidistantly and annularly opened in the suction tube.

[0022] Preferably, the cross-section of the fixing tube is trapezoidal, with the narrower end located at the bottom of the fixing tube, and the inner wall of the fixing tube is provided with a spiral tightening protrusion.

[0023] Compared with the prior art, the beneficial effects of the present invention are:

[0024] 1. This invention utilizes a design for a tracheostomy cannula and a tubing connection assembly. The main channel of the tubing connection assembly is inserted into the tracheostomy cannula as an artificial trachea, ensuring the patient's basic ventilation needs. The secondary channel within the main channel integrates a humidification tube, a drug delivery tube, and a suction catheter, combining airway humidification, local drug delivery, and suctioning functions into one unit. The suction catheter can be directly inserted and secured to a disposable suction catheter, eliminating the need for repeated direct insertion into the airway, reducing frictional damage to the airway mucosa during suctioning, and lowering the probability of cross-contamination of instruments. The connection control structure achieves rapid function switching through the matching of an elastic ring and a ring groove. When the elastic ring is embedded... When the uppermost annular groove is engaged, both the main and secondary channels are disconnected from the connecting tube on the cap. At this point, the external portion of the connecting tube is sealed, allowing the secondary channel to connect with the main channel at the top. This allows the secondary channel to work with the main channel to widen the artificial trachea. When the elastic ring is embedded in the lowermost annular groove, the three connecting tubes connect to the main channel, humidification tube, and medication tube respectively, forming three isolated independent channels. The main channel continuously ensures artificial ventilation, the humidification tube stably delivers humidified gas to maintain airway moisture, the medication tube accurately injects therapeutic drugs, and the suction catheter completes suctioning using a fixed disposable suction catheter. Each functional channel operates independently. This invention, through the coordinated design of the tracheostomy cannula and the connecting tube components, balances basic ventilation and dynamic widening needs, adapting to different respiratory support scenarios. Furthermore, the integration of multiple channels simplifies operation and reduces the risk of airway injury. Precise switching of the connection control ensures functional independence and ease of operation.

[0025] 2. This invention adds a pipe guide assembly to the secondary channel. Two pull rods are slidably connected to the connecting pipes on both sides. The movable sealing plate connected to the end slides in the humidification tube and the drug delivery tube, respectively. It is engaged with the fixed sealing plate in the tube through an elastic protrusion. Two through holes on the suction tube are connected to the humidification tube and the drug delivery tube, respectively, and the through holes are equipped with a one-way flow control structure. When humidification or drug delivery is not required, pushing the pull rod will cause the movable sealing plate to engage with the fixed sealing plate, forming a tight seal in the middle of the humidification tube or the drug delivery tube, preventing leakage of residual humidification gas and deterioration of the drug solution. In addition, through this structure, cleaning fluid can be poured into the humidification tube and the drug delivery tube. The cleaning fluid can flow into the suction tube through the one-way flow control structure, thereby providing a high-flow cleaning effect. When the humidification or drug delivery function needs to be activated, simply pull the pull rod to release the engagement, and the movable sealing plate will slide along the pipe to open the channel. This invention adds a pipe guide component in the secondary channel, which can seal the humidification tube and the drug delivery tube when not in use, preventing humidification gas leakage and drug deterioration. It can also assist in cleaning the suction catheter by using the humidification tube and the drug delivery tube, thereby achieving high-flow cleaning and improving the cleaning effect.

[0026] 3. This invention utilizes a unidirectional flow-controlled umbrella-shaped frame and a flow-guiding membrane in synergy. The frame is installed within the through-hole, with its inclined surface facing the suction catheter, providing stable support for the flow-guiding membrane and establishing a directional flow path. Six flow-guiding membrane tips are equidistantly ring-shaped at the center of the frame, initially tightly adhering to the inclined surface to form a closed structure. When the humidification or drug delivery tube delivers cleaning fluid, the fluid applies pressure from the back side of the inclined surface, pushing the membrane to open along the inclined surface and create gaps. The fluid can then smoothly enter the suction catheter through these gaps, meeting the requirements for high-flow cleaning. If sputum reflux occurs within the suction catheter, the refluxed fluid acts on the membrane from the side facing the inclined surface, pressing it tightly against the inclined surface of the frame, completely sealing the through-hole and preventing sputum contamination of the humidification or drug delivery tube. This invention, through the unidirectional flow-controlled umbrella-shaped frame and the flow-guiding membrane in synergy, and in conjunction with the tubing flow-guiding components, further enhances the isolation effect of the humidification, drug delivery, and suction channels, effectively reducing the risk of airway infection.

[0027] 4. This invention utilizes a structured design for the suction guide assembly. The suction sheath of the assembly employs a thin-walled, pleated, flexible structure, with its end installed on the suction catheter. The inward-retracting head section securely fixes the disposable suction catheter head, preventing displacement during suctioning. A guide control ring embedded in the head section is connected to the traction structure via six equidistantly distributed ring-shaped traction cables, providing core support for the sheath's directional deflection. Within the traction structure, six electrically controlled inflatable airbags are connected to six sealed cavities via air tubes. Traction plates and traction cables are slidably connected within each sealed cavity. Correspondingly, the connection between the traction plate and the sealing cavity remains sealed, and the bottom exhaust valve can adjust the air pressure inside the sealing cavity. When it is necessary to adjust the suction direction, the air pressure inside the corresponding sealing cavity is differentiated by controlling the inflation volume of different electrically controlled inflatable cuffs: cuffs with higher inflation volume push the traction plate a greater sliding distance, resulting in stronger tension on the corresponding traction cable; cuffs with lower inflation volume or no inflation result in weaker tension on the traction cable. This differentiated tension acts on the guide control ring, causing the suction soft sleeve to deflect directionally along the direction of force. Without the need for manual adjustment of the entire device, the disposable suction tube can accurately reach the target area. This invention, through the structural design of the suction guide component, reduces hard contact damage through the flexibility of the suction soft sleeve and achieves precise guidance through the differentiated tension driven by electrical control. Combined with the fixation function of the suction catheter, it greatly improves the flexibility and safety of suction operation, especially suitable for clinical scenarios with complex airway structures or concealed sputum locations.

[0028] 5. This invention utilizes a structured design for the suction catheter fixation component. The fixation tube of the component is slidably connected to the tip of the suction catheter, serving as the core component for direct contact and fixation of the disposable suction catheter. Six buffer blocks, evenly spaced in a ring on its outer side, are embedded in six buffer grooves within the suction catheter. Each buffer block is connected to a buffer groove via a buffer elastic element. During suctioning, if the suction catheter is subjected to slight traction or airway friction, the buffer elastic element can absorb the impact force through deformation, reducing the swaying amplitude of the suction catheter and preventing scratching damage to the airway mucosa caused by hard contact. This invention, through the structured design of the suction catheter fixation component and the directional adjustment function of the suction guide component, can avoid scratching damage to the airway mucosa caused by hard contact of the disposable suction catheter, further optimizing the safety and convenience of suctioning operations.

[0029] 6. This invention utilizes a trapezoidal cross-section and a spiral tightening protrusion design for the fixing tube. The trapezoidal cross-section, with the narrower end at the bottom, forms a guide structure that is narrower at the bottom and wider at the top. When the suction catheter is inserted, the narrower opening at the bottom guides the tube body in, reducing insertion resistance, while the wider opening at the top, in conjunction with the expansion and contraction range of the buffer elastic element, expands the adaptability space for suction catheters of different diameters. The spiral tightening protrusion on its inner wall forms a spiral engagement with the outer wall of the suction catheter. This concave-convex contact increases friction, preventing the suction catheter from sliding axially or falling off. Furthermore, when fine-tuning the suction catheter depth, the tube body can be rotated to achieve spiral advancement and retraction, avoiding damage to the airway from forceful pulling or pushing. This invention, through the trapezoidal cross-section and spiral tightening protrusion design of the fixing tube, ensures smooth insertion while the spiral protrusion enhances stability. This allows the suction catheter to maintain a stable clamping position while also providing convenient insertion and flexible fine-tuning, further improving the safety and reliability of suctioning operations. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the structure of the present invention;

[0031] Figure 2 This is a schematic diagram of the structure for removing the gas cutting sleeve according to the present invention;

[0032] Figure 3 This is a schematic diagram of the transverse structure of the present invention;

[0033] Figure 4 For the present invention Figure 3 Enlarged view of point A in the middle;

[0034] Figure 5 For the present invention Figure 3 Enlarged view of point B in the middle;

[0035] Figure 6 This is a schematic diagram of the longitudinal structure of the present invention;

[0036] Figure 7This is a schematic diagram of the unidirectional flow control structure of the present invention;

[0037] Figure 8 This is a schematic diagram of the unidirectional flow control structure of the present invention when it is open;

[0038] Figure 9 This is a schematic diagram of the suction guide assembly of the present invention;

[0039] Figure 10 This is a cross-sectional view of the tension structure of the present invention.

[0040] Explanation of the labels in the diagram:

[0041] 1. Tracheostomy tube; 2. Tube connection assembly; 3. Tube diversion assembly; 4. Suction guide assembly; 5. Suction tube fixation assembly;

[0042] 201. Main channel; 202. Secondary channel; 203. Connectivity control structure;

[0043] 2021, Humidification tube; 2022, Drug delivery tube; 2023, Suctioning tube;

[0044] 2031. Cap; 2032. Connecting pipe; 2033. Elastic ring; 2034. Annular groove;

[0045] 301. Pull rod; 302. Movable sealing plate; 303. Fixed sealing plate; 304. Through hole; 305. One-way flow control structure;

[0046] 3051, Fixture; 3052, Flow control membrane;

[0047] 401. Suctioning sheath; 402. Guide control ring; 403. Traction cable; 404. Traction structure;

[0048] 4041. Pull plate; 4042. Sealing cavity; 4043. Air duct; 4044. Exhaust valve; 4045. Electrically controlled inflatable airbag;

[0049] 501. Fixed tube; 502. Buffer block; 503. Buffer elastic element; 504. Buffer groove; 505. Tightening protrusion. Detailed Implementation

[0050] Example 1, as Figures 1 to 4As shown, the present invention relates to a dual-channel tracheostomy device with an integrated suction channel, comprising a tracheostomy cannula 1 and a tubing connection assembly 2; the tubing connection assembly 2 includes a main channel 201, a secondary channel 202, and a connection control structure 203; the main channel 201 is inserted into the tracheostomy cannula 1, and the secondary channel 202 is installed inside the main channel 201. The secondary channel 202 consists of a humidification tube 2021 on one side, a drug delivery tube 2022 on the other side, and a suction cannula 2023 in the middle. The main channel 201 serves as an artificial trachea, and the suction cannula 2023 is used for insertion and fixation. A suction catheter; the communication control structure 203 includes a cap 2031, a connecting tube 2032, an elastic ring 2033, and an annular groove 2034; the cap 2031 is sleeved on the top of the main channel 201 and seals the top of the main channel 201; three connecting tubes 2032 are installed on the cap 2031 and correspond to the main channel 201 and the secondary channel 202 respectively; two elastic rings 2033 are located on the outside of the main channel 201; the annular groove 2034 is located on the inside of the cap 2031 and the elastic ring 2033 and the annular groove 2034 are matched with each other.

[0051] When the uppermost elastic ring 2033 is embedded in the ring groove 2034, the main channel 201 and the secondary channel 202 are disconnected from the connecting pipe 2032; when the lowermost elastic ring 2033 is embedded in the ring groove 2034, the three connecting pipes 2032 are respectively inserted into the main channel 201 and the secondary channel 202 to form three independent pipes, and the tops of the three independent pipes are isolated from each other.

[0052] This invention utilizes the design of a tracheostomy cannula 1 and a tubing connection component 2. The main channel 201 of the tubing connection component 2 is inserted into the tracheostomy cannula 1 as an artificial trachea, ensuring the patient's basic ventilation needs. The secondary channel 202 inside the main channel 201 integrates a humidification tube 2021, a drug delivery tube 2022, and a suction catheter 2023, combining airway humidification, local drug delivery, and suctioning functions into one unit. The suction catheter 2023 can be directly inserted and fixed into a disposable suction catheter, eliminating the need for repeated direct insertion of the suction catheter into the airway, reducing frictional damage to the airway mucosa during suctioning, and lowering the probability of cross-contamination of instruments. The connection control structure 203 achieves rapid function switching through the matching of an elastic ring 2033 and a ring groove 2034. When the elastic ring 2033 is embedded in the uppermost ring groove 2034, the main channel 2021... Both the secondary channel 201 and the secondary channel 202 are disconnected from the connecting tube 2032 on the cap 2031. At this time, the external of the connecting tube 2032 is blocked, and the secondary channel 202 can connect with the main channel 201 at the top, so that the secondary channel 202 cooperates with the main channel 201 to expand the width of the artificial trachea. When the elastic ring 2033 is embedded in the lowest ring groove 2034, the three connecting tubes 2032 are respectively connected to the main channel 201, the humidification tube 2021, and the drug delivery tube 2022, forming three independent channels that are isolated from each other. The main channel 201 continuously ensures artificial ventilation, the humidification tube 2021 can stably deliver humidified gas to maintain airway moisture, the drug delivery tube 2022 can accurately inject therapeutic drugs, and the suction tube 2023 completes the suction operation through a fixed disposable suction tube. The functional channels do not interfere with each other. This invention, through the collaborative design of the tracheostomy cannula 1 and the pipeline connection component 2, takes into account both basic ventilation and dynamic expansion needs, adapts to different respiratory support scenarios, and integrates multi-functional channels, simplifying operation and reducing the risk of airway damage. The connection control allows for precise switching, ensuring functional independence and convenient operation.

[0053] Specifically, such as Figures 1 to 8As shown, the secondary channel 202 involved in this invention is further equipped with a pipe flow guiding assembly 3. The pipe flow guiding assembly 3 includes a pull rod 301, a movable sealing plate 302, a fixed sealing plate 303, a through hole 304, and a one-way flow control structure 305. Two pull rods 301 are slidably connected to the connecting pipes 2032 on both sides. Two movable sealing plates 302 are respectively installed at the ends of the two pull rods 301 and are slidably connected to the humidification tube 2021 and the drug delivery tube 2022. Two fixed sealing plates 303 are respectively installed in the humidification tube 2021 and the drug delivery tube 2022. Inside the administration tube 2022, a flexible protrusion is provided on one side of the movable sealing plate 302, and the movable sealing plate 302 is snapped onto the fixed sealing plate 303 by the flexible protrusion. When the movable sealing plate 302 and the fixed sealing plate 303 are snapped together, a sealing structure is formed in the middle of the humidification tube 2021 or the administration tube 2022. Two through holes 304 are opened on the suction tube 2023, and the two through holes 304 connect the suction tube 2023 with the humidification tube 2021 and the administration tube 2022. The through holes 304 are located above the sealing structure, and a one-way flow control structure 305 is installed in the through holes 304.

[0054] This invention adds a pipe guide assembly 3 within the secondary channel 202. Two pull rods 301 are slidably connected to the two connecting pipes 2032 on both sides. The movable sealing plate 302 connected at the end slides within the humidification tube 2021 and the administration tube 2022, respectively, and engages with the fixed sealing plate 303 inside the tube through an elastic protrusion. Two through holes 304 on the suction tube 2023 are respectively connected to the humidification tube 2021 and the administration tube 2022, and a one-way flow control structure 305 is installed inside the through holes 304. When humidification or administration is not required, the pull rods 301 are pushed. 1. The movable sealing plate 302 and the fixed sealing plate 303 are engaged, forming a tight seal in the middle of the humidification tube 2021 or the administration tube 2022, preventing leakage of residual humidification gas and deterioration of the medication. This structure also allows cleaning fluid to be injected into the humidification tube 2021 and the administration tube 2022, which flows into the suction catheter 2023 through the one-way flow control structure 305, providing a high-flow cleaning effect. When humidification or medication administration is needed, simply pull the lever 301 to release the engagement, and the movable sealing plate 302 slides along the pipe to open the channel. This invention, by adding a pipe guide component 3 in the secondary channel 202, can seal the humidification tube 2021 and the administration tube 2022 when not in use, preventing leakage of humidification gas and deterioration of the medication. Furthermore, it can assist in cleaning the suction catheter 2023 through the humidification tube 2021 and the administration tube 2022, thereby achieving high-flow cleaning and improving the cleaning effect.

[0055] It is worth noting that, such as Figures 6 to 8As shown, the unidirectional flow control structure 305 of the present invention includes a fixing frame 3051 and a flow control membrane 3052; the fixing frame 3051 is installed in the through hole 304, and the fixing frame 3051 is an umbrella-shaped frame, with the inclined surface of the umbrella-shaped frame facing the suction tube 2023. The heads of the six flow control membranes 3052 are equidistantly and annularly installed at the center of the umbrella-shaped frame, and the flow control membranes 3052 are attached to the inclined surface of the umbrella-shaped frame.

[0056] This invention utilizes the umbrella-shaped frame fixing bracket 3051 of the unidirectional flow control structure 305 in conjunction with the flow guiding control membrane 3052. The fixing bracket 3051 is installed inside the through hole 304, with its inclined surface facing the suction tube 2023. This provides stable support for the flow guiding control membrane 3052 and constructs a directional flow path. The heads of the six flow guiding control membranes 3052 are equidistantly and annularly installed at the center of the frame. In the initial state, they are tightly attached to the inclined surface, forming a closed structure. When the humidification tube 2021 or the drug delivery tube 2022 delivers cleaning fluid, the fluid applies pressure from the back side of the inclined surface of the frame, pushing the membrane to open along the inclined surface and forming gaps. The fluid can smoothly enter the suction tube 2023 through the gaps, meeting the high-flow cleaning requirements. If sputum backflow occurs in the suction tube 2023, the backflowing fluid acts on the membrane from the side of the inclined surface, pressing it tightly against the inclined surface of the frame, completely sealing the through hole 304, and preventing sputum contamination of the humidification tube 2021 and the drug delivery tube 2022. The present invention utilizes the umbrella-shaped skeleton fixing frame 3051 of the unidirectional flow control structure 305 in conjunction with the flow control membrane 3052. This structure, in conjunction with the pipeline flow guiding component 3, further enhances the isolation effect of the humidification, drug administration and suction channels, effectively reducing the risk of airway infection.

[0057] Furthermore, such as Figures 1 to 10 As shown, the suction catheter 2023 of the present invention is equipped with a suction guide assembly 4. The suction guide assembly 4 includes a suction sleeve 401, a guide control ring 402, traction cables 403, and a traction structure 404. The suction sleeve 401 is installed at the end of the suction catheter 2023. The guide control ring 402 is embedded in the head end of the suction sleeve 401. Six traction cables 403 are installed in a ring at equal intervals at the top of the guide control ring 402. The six traction cables 403 pass through the suction sleeve 401, the suction catheter 2023, and the connecting tube 2032 and are connected to the traction structure 404.

[0058] The suction soft sheath 401 is a thin-walled, pleated, flexible catheter, and the tip of the suction soft sheath 401 is designed with an inward-retracting structure. The tip of the suction soft sheath 401 is fixed to the tip of the disposable suction catheter through the inward-retracting structure.

[0059] The traction structure 404 includes traction plates 4041, sealing cavities 4042, air guide tubes 4043, exhaust valves 4044, and electrically controlled inflatable airbags 4045. Six traction plates 4041 are respectively installed on six traction cables 403, and the six traction plates 4041 are slidably connected in the six sealing cavities 4042. The connection between the traction plates 4041 and the sealing cavities 4042 is sealed. The six sealing cavities 4042 are equidistantly and annularly installed on the connecting tube 2032 in the middle. The six air guide tubes 4043 are respectively connected to the top of the six sealing cavities 4042. The six exhaust valves 4044 are respectively connected to the bottom of the six sealing cavities 4042. The other end of the six air guide tubes 4043 is respectively connected to the six electrically controlled inflatable airbags 4045.

[0060] The six traction cables 403 generate differentiated tension as driven by the traction structure 404, pulling the guide control ring 402. The guide control ring 402 controls the suction soft sleeve 401 to produce directional deflection.

[0061] This invention utilizes a structured design for the suction guide assembly 4. The suction sleeve 401 of the suction guide assembly 4 employs a thin-walled, pleated, flexible structure, with its end installed on the suction catheter 2023. The inward-retracting head end structure securely fixes the disposable suction catheter head end, preventing catheter displacement during suctioning. A guide control ring 402 embedded in the head end of the sleeve is connected to a traction structure 404 via six equidistantly distributed traction cables 403, providing core support for the directional deflection of the sleeve. In the traction structure 404, six electrically inflatable airbags 4045 are connected to six sealed cavities 4042 via air ducts 4043. Traction plates 4041 are slidably connected within the sealed cavities 4042 to the traction cables 403. The connection between the traction plate 4041 and the sealing cavity 4042 is sealed, and the bottom exhaust valve 4044 can adjust the air pressure in the sealing cavity 4042. When the suction direction needs to be adjusted, the air pressure in the corresponding sealing cavity 4042 is made different by controlling the inflation volume of different electrically controlled inflatable airbags 4045: the airbag with a larger inflation volume pushes the traction plate 4041 to slide a greater distance, and the corresponding traction cable 403 has a stronger pull; the airbag with a smaller inflation volume or no inflation volume has a weaker pull of the traction cable 403. This differentiated pull acts on the guide control ring 402, causing the suction soft sleeve 401 to deflect directionally along the direction of force. The disposable suction tube can be accurately delivered to the target area without manual adjustment of the overall device. The present invention, through the structured design of the suction guide component 4, reduces hard contact damage by utilizing the flexibility of the suction soft sleeve 401, and achieves precise guidance by using the differentiated tension driven by electronic control. Combined with the fixation function of the suction cannula 2023, it greatly improves the flexibility and safety of suction operation, and is especially suitable for clinical scenarios with complex airway structures or hidden sputum locations.

[0062] Furthermore, such as Figures 1 to 5As shown, the suction catheter 2023 of the present invention is further equipped with a suction catheter fixing assembly 5. The suction catheter fixing assembly 5 includes a fixing tube 501, a buffer block 502, a buffer elastic element 503, and a buffer groove 504. The fixing tube 501 is slidably connected to the head end of the suction catheter 2023. Six buffer blocks 502 are equidistantly and annularly installed on the outside of the fixing tube 501. Six buffer elastic elements 503 are respectively installed on the six buffer elastic blocks. The six buffer blocks 502 are slidably connected in the six buffer grooves 504. The six buffer elastic elements 503 are respectively installed in the six buffer grooves 504. The six buffer grooves 504 are equidistantly and annularly opened in the suction catheter 2023.

[0063] This invention utilizes a structured design for the suction catheter fixing component 5. The fixing tube 501 of the component 5 is slidably connected to the tip of the suction catheter 2023, serving as the core component for direct contact and fixation of the disposable suction catheter. Six buffer blocks 502, evenly spaced in a ring on its outer side, are embedded in six buffer grooves 504 within the suction catheter 2023. Each buffer block 502 is connected to a buffer groove 504 via a buffer elastic element 503. During suctioning, if the suction catheter is subjected to slight traction or airway friction, the buffer elastic element 503 can absorb the impact force through deformation, reducing the amplitude of the suction catheter's movement and preventing scratching damage to the airway mucosa caused by hard contact. This invention, through the structured design of the suction catheter fixing component 5 and the directional adjustment function of the suction guide component 4, can avoid scratching damage to the airway mucosa caused by hard contact of the disposable suction catheter, further optimizing the safety and convenience of suctioning operations.

[0064] Furthermore, such as Figures 1 to 5 As shown, the fixed tube 501 of the present invention has a trapezoidal cross-section, and the narrower end is located below the fixed tube 501. The inner wall of the fixed tube 501 is provided with a spiral tightening protrusion 505.

[0065] This invention utilizes the trapezoidal cross-section of the fixing tube 501 and the spiral tightening protrusion 505 design. The fixing tube 501 has a trapezoidal cross-section with the narrower end located at the bottom, forming a guide structure that is narrower at the bottom and wider at the top. When the suction tube is inserted, the narrow opening at the bottom guides the tube body into place, reducing insertion resistance, while the wide opening at the top, in conjunction with the expansion and contraction range of the buffer elastic element 503, expands the adaptability space for suction tubes of different diameters. The spiral tightening protrusion 505 on its inner wall can form a spiral engagement with the outer wall of the suction tube. This not only increases friction through the concave-convex contact, preventing the suction tube from sliding axially or falling off, but also allows for spiral advancement and retraction by rotating the tube body when fine-tuning the depth of the suction tube, avoiding damage to the airway caused by forceful pulling or pushing. The present invention utilizes the trapezoidal cross-section of the fixing tube 501 and the spiral tightening protrusion 505 design. The trapezoidal cross-section ensures smooth insertion, while the spiral protrusion enhances the stability of the fixation. This allows the suction tube to maintain a stable clamping while also providing convenient insertion and fine-tuning flexibility, further improving the safety and reliability of suctioning operations.

[0066] The embodiments disclosed in this invention are preferred embodiments, but are not limited thereto. Those skilled in the art can easily understand the spirit of this invention based on the above embodiments and make different extensions and variations, but as long as they do not depart from the spirit of this invention, they are all within the protection scope of this invention.

Claims

1. A dual-channel tracheostomy device with an integrated suction channel, characterized in that, Includes an air-cutting sleeve (1) and a pipe connection assembly (2); The pipeline connection assembly (2) includes a main channel (201), a secondary channel (202), and a connection control structure (203); the main channel (201) is inserted into the tracheostomy cannula (1), and the secondary channel (202) is installed inside the main channel (201). The secondary channel (202) consists of a humidification tube (2021) on one side, a drug delivery tube (2022) on the other side, and a suction catheter (2023) in the middle. The main channel (201) is used as an artificial trachea, and the suction catheter (2023) is used to insert and fix a disposable suction catheter. The communication control structure (203) includes a cover (2031), a connecting pipe (2032), an elastic ring (2033), and an annular groove (2034); the cover (2031) is sleeved on the top of the main channel (201) and the cover (2031) seals the top of the main channel (201); a plurality of connecting pipes (2032) are installed on the cover (2031) and the plurality of connecting pipes (2032) correspond to the main channel (201) and the secondary channel (202) respectively; a plurality of elastic rings (2033) are provided on the outside of the main channel (201); the annular groove (2034) is provided on the inside of the cover (2031) and the elastic rings (2033) and the annular groove (2034) match each other; When the uppermost elastic ring (2033) is embedded in the ring groove (2034), the main channel (201) and the secondary channel (202) are disconnected from the connecting pipe (2032); When the bottommost elastic ring (2033) is embedded in the ring groove (2034), several connecting pipes (2032) are respectively inserted into the main channel (201) and the secondary channel (202) to form several independent pipes, and the tops of the several independent pipes are isolated from each other.

2. The dual-channel tracheostomy device with integrated suction channel according to claim 1, characterized in that, The secondary channel (202) is also equipped with a pipe flow guiding assembly (3), which includes a pull rod (301), a movable sealing plate (302), a fixed sealing plate (303), a through hole (304), and a one-way flow control structure (305). A plurality of the aforementioned pull rods (301) are slidably connected to the connecting pipes (2032) on both sides. A plurality of the aforementioned movable sealing plates (302) are respectively installed at the ends of the plurality of pull rods (301), and the plurality of movable sealing plates (302) are slidably connected to the humidification tube (2021) and the administration tube (2022). A plurality of the aforementioned fixed sealing plates (303) are respectively installed in the humidification tube (2021) and the administration tube (2022). One side of each movable sealing plate (302) is provided with an elastic protrusion, and the movable sealing plate (302) is connected to the connecting pipe (2032) through the elastic protrusion. The movable sealing plate (302) and the fixed sealing plate (303) are fastened together to form a blocking structure in the middle of the humidification tube (2021) or the administration tube (2022). Several through holes (304) are opened on the suction tube (2023), and several through holes (304) connect the suction tube (2023) with the humidification tube (2021) and the administration tube (2022). The through holes (304) are located above the blocking structure, and a one-way flow control structure (305) is installed in the through holes (304).

3. A dual-channel tracheostomy device with an integrated suction channel according to claim 2, characterized in that, The unidirectional flow control structure (305) includes a fixing frame (3051) and a flow control membrane (3052); The fixing frame (3051) is installed in the through hole (304), and the fixing frame (3051) is an umbrella-shaped frame. The inclined surface of the umbrella-shaped frame faces the suction tube (2023). The heads of several flow control membranes (3052) are equidistantly and annularly installed at the center of the umbrella-shaped frame, and the flow control membranes (3052) are attached to the inclined surface of the umbrella-shaped frame.

4. A dual-channel tracheostomy device with an integrated suction channel according to claim 1, characterized in that, The suction catheter (2023) is equipped with a suction guide assembly (4), which includes a suction soft sleeve (401), a guide control ring (402), a traction cable (403), and a traction structure (404). The suction sleeve (401) is installed at the end of the suction cannula (2023), the guide control ring (402) is embedded in the head end of the suction sleeve (401), and a number of traction cables (403) are installed in a ring at equal intervals at the top of the guide control ring (402), and the number of traction cables (403) pass through the suction sleeve (401), the suction cannula (2023) and the connecting tube (2032) and are connected to the traction structure (404).

5. A dual-channel tracheostomy device with an integrated suction channel according to claim 4, characterized in that, The suction soft sleeve (401) is a thin-walled, pleated, flexible catheter, and the tip of the suction soft sleeve (401) is designed with an inward-retracting structure. The tip of the suction soft sleeve (401) is fixed to the tip of the disposable suction tube through the inward-retracting structure.

6. A dual-channel tracheostomy device with an integrated suction channel according to claim 4, characterized in that, The tension structure (404) includes a tension plate (4041), a sealing cavity (4042), an air duct (4043), an exhaust valve (4044), and an electrically controlled inflatable airbag (4045). Several tension plates (4041) are respectively installed on several tension cables (403), and several tension plates (4041) are respectively slidably connected in several sealing cavities (4042). The connection between the tension plates (4041) and the sealing cavities (4042) is sealed. Several sealing cavities (4042) are equidistantly and annularly installed on the central connecting pipe (2032). Several air guide pipes (4043) are respectively connected to the top of several sealing cavities (4042). Several exhaust valves (4044) are respectively connected to the bottom of several sealing cavities (4042). The other end of several air guide pipes (4043) is respectively connected to several electrically controlled inflatable airbags (4045).

7. A dual-channel tracheostomy device with an integrated suction channel according to claim 6, characterized in that, Several of the traction cables (403) generate differentiated tension as driven by the traction structure (404), pulling the guide control ring (402), which controls the suction soft sleeve (401) to produce directional deflection.

8. A dual-channel tracheostomy device with an integrated suction channel according to claim 1, characterized in that, The suction catheter (2023) is also equipped with a suction catheter fixing assembly (5), which includes a fixing tube (501), a buffer block (502), a buffer elastic element (503), and a buffer groove (504). The fixed tube (501) is slidably connected to the head end of the suction catheter (2023). A plurality of buffer blocks (502) are equidistantly and annularly installed on the outside of the fixed tube (501). A plurality of buffer elastic elements (503) are respectively installed on the plurality of buffer elastic blocks. A plurality of buffer blocks (502) are slidably connected in a plurality of buffer grooves (504). A plurality of buffer elastic elements (503) are respectively installed in a plurality of buffer grooves (504). A plurality of buffer grooves (504) are equidistantly and annularly opened in the suction catheter (2023).

9. A dual-channel tracheostomy device with an integrated suction channel according to claim 8, characterized in that, The fixed tube (501) has a trapezoidal cross-section, with the narrower end located below the fixed tube (501). The inner wall of the fixed tube (501) is provided with a spiral tightening protrusion (505).

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