Pressurized flushing closed type sputum suction tube
By designing a combined structure for a pressurized flushing closed suction catheter, the problems of existing suction catheters being unable to completely remove sputum and having a short service life are solved, achieving efficient sputum removal and extending service life, while reducing the risk of bacterial growth and respiratory impact.
Patent Information
- Application Number
- CN202422963771.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Existing suction catheters are difficult to completely remove sputum during flushing, which can easily lead to bacterial growth. Furthermore, pressurized flushing may affect the patient's breathing or damage the lungs, and they have a short service life.
A pressurized flushing closed suction catheter was designed. Through the combination structure of a three-way valve, chuck, seat, lower interface and tubing, the suction channel and flushing channel are switched by a rotating mechanism. The ventilation membrane and sealing core structure achieve effective sputum flushing, prevent oxygen loss and extend service life.
It achieves complete removal of sputum from the suction catheter, reduces the risk of bacterial growth, extends its service life to 72 hours, has a low cost, and avoids respiratory impact.
Smart Images

Figure CN223716105U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical equipment technical field, concretely relates to a pressurization flushing closed sputum suction tube. BACKGROUND
[0002] With the continuous progress and development of medical industry, the demand of medical consumables is also more and more big, thereby the standard and requirement of consumables are also more and more high, especially the sputum suction tube this kind of commonly used consumables, in the use safety, avoid pollution and cross infection aspect need more attention.
[0003] Although the sputum suction tube on the market has many companies in production, and each hospital uses different models of sputum suction tube, its role is similar, and the conventional flushing mode is difficult to flush the sputum on the outside of the sputum suction tube wall clean, thus bacteria can easily breed. A few sputum suction tubes with pressurized flushing function on the market are connected to the breathing circuit through the pressurized air inlet during flushing, which can suck part of the oxygen in the circuit during flushing of the sputum suction tube, affecting the patient's breathing, and even damaging the patient's lungs. SUMMARY
[0004] The utility model discloses a pressurization flushing closed sputum suction tube can flush sputum from the sputum suction tube clean, and can increase the service life of the sputum suction tube, and the cost is lower.
[0005] The utility model discloses the technical scheme as follows:
[0006] A pressurization flushing closed sputum suction tube, characterized in that, comprising: a tee, a chuck, a cartridge, a lower interface and a hose, one port of the tee is connected with a patient end, two ports of the tee are connected with a machine end, three ports of the tee are connected with the chuck, a rotating mechanism is arranged in the cartridge, the chuck is connected with the rotating mechanism and embedded in the cartridge, a gas permeation hole is formed in one side of the upper end of the chuck, a gas permeation film is arranged in the gas permeation hole, the cartridge is connected with the upper end of the lower interface, a liquid inlet is formed in one side of the lower interface, a flushing sealing core and a buckle ring sealing core are arranged in the lower interface, the flushing sealing core is located above the buckle ring sealing core, the flushing sealing core is located below the liquid inlet, the lower interface and the negative pressure valve are connected through the buckle ring of the film sheath, the hose passes through the negative pressure valve, the flushing sealing core and the buckle ring sealing core to the three ports of the tee.
[0007] In one embodiment of the utility model, one port and two ports of the tee are respectively provided with fixing rings, and the fixing rings are respectively used for fixing a patient end rotating body and a machine end rotating body.
[0008] In an embodiment of the utility model, the flush seal core and the buckle ring seal core are both sawtooth structures, the sawtooth structure is characterized by: the hose passes through the buckle ring seal core and the flush seal core from below to above without resistance, and the hose is pulled back with resistance.
[0009] In an embodiment of the utility model, the tee joint and the chuck are connected through welding, and the clamping seat and the lower interface are connected through welding.
[0010] In an embodiment of the utility model, one end of the film sheath is fixed below the liquid inlet through the buckle ring, and the other end of the film sheath is fixed on the negative pressure valve through the buckle ring.
[0011] The utility model discloses beneficial effect has:
[0012] The utility model discloses a kind of closed sputum suction tubes, including tee joint, chuck, clamping seat, lower interface, negative pressure valve, thin film sheath, soft tube, the upper end of the chuck is connected with the rotating mechanism in the clamping seat, the upper end of the clamping seat is connected with the lower interface, the lower end of the lower interface is connected with the negative pressure valve, the one end of the thin film sheath is fixed below the liquid inlet of the lower interface through the buckle ring, and the other end of the thin film sheath is fixed on the negative pressure valve through the buckle ring, the soft tube passes through flush seal core and buckle ring seal core to the three ports of the tee joint, the upper end of the chuck is provided with air hole on one side, and air permeable membrane is equipped in the air hole, thus can switch sputum suction channel and flushing channel by rotating mechanism, the clamping seat and the lower interface are connected, one side of the lower interface is provided with liquid inlet, flush seal core and buckle ring seal core are equipped in the lower interface, and the hose passes through flush seal core and buckle ring seal core to the three ports of the tee joint, thus, sputum can be flushed clean from sputum suction tube, and the service life of sputum suction tube can be increased, and cost is lower. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the structural schematic diagram of closed sputum suction tube of the utility model embodiment.
[0014] Figure 2 It is the left view of closed sputum suction tube of the utility model one embodiment.
[0015] Figure 3 It is the structural schematic diagram of closed sputum suction tube of the utility model another embodiment. DETAILED DESCRIPTION
[0016] The technical scheme in the utility model embodiments will be described clearly and completely below in conjunction with the drawings in the utility model embodiments, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.
[0017] Figure 1 It is the structural schematic diagram of closed sputum suction tube of the utility model embodiment.
[0018] As Figure 1 shown, the utility model discloses a pressurized flushing closed sputum suction tube, including: three -way 1, chuck 2, card seat 3, lower interface 4, film sheath 5, negative pressure valve 6 and hose 7, three -way 1 one port 11 is connected patient end, three -way 1 two ports 12 are connected machine end, three -way 1 three ports 13 are connected with chuck 2, be equipped with rotating mechanism in card seat 3, chuck 2 is connected with rotating mechanism and is embedded in card seat 3, chuck 2's upper end one side is equipped with air hole 21, air hole 21 is equipped with air -permeable film 22, card seat 3 and lower interface 4's upper end are connected, one side of lower interface 4 is equipped with liquid inlet 41, be equipped with flushing sealing core 42 and buckle ring sealing core 43 in lower interface 4, flushing sealing core 42 is located the upper of buckle ring sealing core 43, flushing sealing core 42 is located the below of liquid inlet 41, film sheath 5 is connected with lower interface 4 and negative pressure valve 6 through buckle ring, hose 7 passes through negative pressure valve 6, flushing sealing core 42 and buckle ring sealing core 43 to three -way 1 three ports 13.
[0019] In an embodiment of the utility model, three -way 1 one port 11 and two ports 12 are equipped with fixed ring respectively, and the fixed ring is used for fixing patient end rotator and machine end rotator respectively, wherein, one port 11 can be connected with the breathing circuit of breathing machine, and two ports 12 can be connected with tracheal intubation or tracheostomy catheter of patient.
[0020] As Figure 2 shown, in an embodiment of the utility model, three -way 1 and chuck 2 can be connected through welding, and card seat 3 and lower interface 4 can also be connected through welding, to avoid the adverse effect caused by using adhesive method, so that three -way 1, chuck 2 and card seat 3 can form a whole. When needing to flush sputum suction tube, the rotating mechanism in card seat 3 can be used to switch flushing channel, and air is inhaled from breathing pipe outside through air hole 21 equipped with air -permeable film 22, and physiological saline is injected through liquid inlet 41 opened on one side of lower interface 4, so that water and air can achieve the effect of pressurized flushing, so that the bacteria breeding in sputum suction tube can be greatly reduced, and the use time of sputum suction tube can be extended from 24h to 72h.
[0021] In an embodiment of the utility model, flushing sealing core 42 and buckle ring sealing core 43 are all sawtooth structure, wherein, the characteristics of sawtooth structure are: when hose 7 passes through buckle ring sealing core 43 and flushing sealing core 42 from bottom to top, there is no resistance, and when pulling back hose 7, there is resistance. Specifically, hose 7 can be inserted to the depth of tracheal intubation or tracheostomy catheter, when sucking sputum of patient, hose 7 can be slowly pulled back, and the sputum on the outer wall of hose 7 is scraped off through the sawtooth structure of flushing sealing core 42 and buckle ring sealing core 43, and is left in the inside of lower interface 4, so that the scraped sputum can not leak, thereby greatly reducing the risk of pollution.
[0022] As Figure 3 shown in the utility model one embodiment, the film sheath 5 one end is fixed below the liquid inlet 41 through the buckle ring 51, the other end of the film sheath 5 is fixed on the negative pressure valve 6 through the buckle ring 51, and the lower interface 4 is closed, so that the sputum adhered on the hose 7 can be prevented from contacting the outside.
[0023] In conclusion, the utility model discloses a three -way one port is connected patient end, two ports are connected machine end, three ports are connected with chuck, and the chuck is connected with the rotating mechanism in the chuck seat, the upper end one side of the chuck is provided with the air hole, the air hole is equipped with the air -permeable membrane, can switch the sputum suction channel and the flushing channel through the rotating mechanism, the upper end of the chuck seat is connected with the lower interface, one side of the lower interface is provided with the liquid inlet, the lower interface is equipped with the flushing sealing core and the buckle ring sealing core, and the hose passes through the flushing sealing core and the buckle ring sealing core to three ports of the three -way, so that the sputum can be flushed clean from the sputum suction tube, and the service life of the sputum suction tube can be increased, and the cost is lower.
[0024] In the description of the utility model, the terms "first", "second" are only used for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. The meaning of "multiple" is two or more, unless otherwise specifically limited.
[0025] In the utility model, unless otherwise specifically defined and limited, the terms "installation", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.
[0026] In the utility model, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature, which can be directly contacted by the first and second features, or indirectly contacted by the first and second features through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.
[0027] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms is not necessarily directed to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.
[0028] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application.
Claims
1. A pressurized flushing closed suction catheter, characterized in that, include: The device comprises a tee, a chuck, a chuck seat, a lower interface, a membrane sheath, a negative pressure valve, and a hose. One port of the tee is connected to the patient end, two ports of the tee are connected to the machine end, and three ports of the tee are connected to the chuck. The chuck seat has a rotating mechanism, and the chuck is connected to the rotating mechanism and embedded in the chuck seat. A vent hole is provided on one side of the upper end of the chuck, and a vent membrane is provided inside the vent hole. The chuck seat is connected to the upper end of the lower interface, and a liquid inlet is provided on one side of the lower interface. The lower interface has a flushing sealing core and a snap-ring sealing core inside, with the flushing sealing core located above the snap-ring sealing core and below the liquid inlet. The membrane sheath connects the lower interface and the negative pressure valve through the snap-ring. The hose passes through the negative pressure valve, the flushing sealing core, and the snap-ring sealing core to the three ports of the tee.
2. The pressurized flushing closed suction catheter according to claim 1, characterized in that, The first and second ports of the tee are respectively equipped with fixing rings, which are used to fix the patient-end rotating body and the machine-end rotating body.
3. The pressurized flushing closed suction catheter according to claim 2, characterized in that, Both the flushing sealing core and the snap ring sealing core have a serrated structure. The serrated structure is characterized by the fact that the hose passes through the snap ring sealing core and the flushing sealing core from bottom to top without resistance, but there is resistance when the hose is pulled back.
4. The pressurized flushing closed suction catheter according to claim 3, characterized in that, The tee and the chuck are connected by welding, and the chuck seat and the lower interface are connected by welding.
5. The pressurized flushing closed suction catheter according to claim 4, characterized in that, One end of the membrane sheath is fixed below the liquid inlet by the snap ring, and the other end of the membrane sheath is fixed to the negative pressure valve by the snap ring.