Blockage-preventing nasopharynx tube
By setting the carbon dioxide port and oxygen port on both sides of the nasopharyngeal tube and connecting them with independent branch pipes, coating the outside with an anti-corrosion and wear-resistant layer, and using Velcro to connect the straps, the problem of gas port blockage in the nasopharyngeal tube is solved, and the convenience of use and protection capability are improved.
Patent Information
- Application Number
- CN202422334881.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-09-25
AI Technical Summary
The carbon dioxide inlet and oxygen inlet of the existing nasopharyngeal tube are distributed on the same side, which is prone to blockage and affects normal use.
The carbon dioxide port and oxygen port are set on both sides of the nasopharyngeal tube body, connected to independent branch pipes and joints respectively, and coated with anti-corrosion and wear-resistant layers on the outside, and Velcro is used to connect the straps to improve anti-blocking and contraction capabilities.
It effectively prevents airway obstruction, improves the convenience and protection capability of the nasopharyngeal tube, and enhances the overall protection performance.
Smart Images

Figure CN223366032U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of nasopharyngeal tubes, in particular to a nasopharyngeal tube capable of preventing blockage. Background Art
[0002] A nasopharyngeal airway is a simple and cost-effective upper airway ventilation device. It is used by many departments as an airway assist device during emergency and anesthesia recovery. It is mainly used to relieve upper airway obstruction caused by tongue prolapse and other conditions. It is usually made of rubber or plastic and is a soft, non-cuffed tube.
[0003] Based on the use of nasopharyngeal tubes, most nasopharyngeal tubes are equipped with multiple air holes. At this time, there will be carbon dioxide air holes and oxygen air holes in the air holes. When these air holes are distributed on the same side for use, they are prone to blockage. When blocked, the two air holes are prone to be blocked at the same time, which can directly affect the normal use of the nasopharyngeal tube. Utility Model Content
[0004] The purpose of the present utility model is to provide a nasopharyngeal tube that prevents blockage, so as to solve the problem proposed in the above background technology that most nasopharyngeal tubes are equipped with multiple air holes, in which there are carbon dioxide gas holes and oxygen gas holes. When these air holes are distributed on the same side for use, blockage and the like are easily formed. When blockage occurs, the two air holes are easily blocked at the same time, which directly affects the normal use of the nasopharyngeal tube.
[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a nasopharyngeal tube that prevents blockage, comprising a nasopharyngeal tube body, a carbon dioxide inlet being provided at an upper position at one end of the nasopharyngeal tube body, an oxygen inlet being provided at a lower position at one end of the nasopharyngeal tube body, an end cap being connected to the tail end of the nasopharyngeal tube body, a first branch pipe being connected to the end face of the other end of the nasopharyngeal tube body, a second branch pipe being connected to the other end face of the other end of the nasopharyngeal tube body, a winding tube being formed at the tail ends of the first branch pipe and the second branch pipe, a carbon dioxide connector being connected to the tail end of the second branch pipe, and an oxygen connector being connected to the tail end of the first branch pipe.
[0006] Preferably, the carbon dioxide inlet and the oxygen inlet are distributed on both sides, and the carbon dioxide inlet and the oxygen inlet form a high-low distribution at the same time.
[0007] Preferably, the first branch pipe is communicated with the oxygen connector, and the second branch pipe is communicated with the carbon dioxide connector.
[0008] Preferably, the outer wall of the nasopharyngeal tube body is coated with an anti-corrosion layer, and the outer wall of the anti-corrosion layer is coated with a wear-resistant layer.
[0009] Preferably, a strap is connected to the outside of the first branch pipe and the second branch pipe at a position in front of the winding tube, the interior of the strap is filled with cushioning cotton, a soft pad is bonded and fixed to the inner wall of the strap, a second Velcro is installed on the end face of one end of the strap, and a first Velcro is installed on the end face of the other end of the strap.
[0010] Preferably, an adhesive connection is formed between the first Velcro and the second Velcro, and an adhesive connection is formed between the strap and the cushion.
[0011] Compared with the prior art, the beneficial effects of the present invention are: the anti-blocking nasopharyngeal tube not only improves the anti-blocking ability, but also improves the constriction ability and protection ability of the nasopharyngeal tube;
[0012] By opening the carbon dioxide port on the side of one end of the nasopharyngeal tube body, and opening the oxygen port on the other side of one end of the nasopharyngeal tube body, and the carbon dioxide port is located above the oxygen port, the carbon dioxide port and the oxygen port are not arranged on the same side to prevent simultaneous blockage, and the first branch pipe and the oxygen connector are interconnected, and the second branch pipe and the carbon dioxide connector are interconnected. After being connected one by one, the carbon dioxide connector and the oxygen connector can be connected to corresponding medical equipment, such as a ventilator, anesthesia machine, etc., and can be directly connected to external machines without connecting other pipes and interfaces. In this way, the overall convenience and anti-blockage ability are better improved during the work process;
[0013] The drawstring is wrapped around the outside of the first branch pipe and the second branch pipe, specifically at a position outside the first branch pipe and the second branch pipe in the direction of the front end of the winding tube, and then the first Velcro and the second Velcro are used to form an adhesive connection to complete the wrapping of the drawstring. The soft pad is adhered to the inner wall of the drawstring, so that the soft pad is in direct contact with the outside of the first branch pipe and the second branch pipe, thereby improving a certain contact protection and having a better tightening ability.
[0014] By coating the anti-corrosion layer on the outer wall of the nasopharyngeal tube body, the anti-corrosion layer is formed in contact with the outer wall of the nasopharyngeal tube body, providing a certain degree of anti-corrosion protection, and then coating the wear-resistant layer on the outer wall of the anti-corrosion layer, the wear-resistant layer is exposed to the outside, thereby providing a certain degree of wear-resistant protection during operation, thereby better improving the overall protection capability during operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model;
[0017] Figure 3This is a schematic diagram of the cross-sectional structure of the nasopharyngeal tube body of the present invention;
[0018] Figure 4 This is a schematic side view of the structure of the harness of the present invention.
[0019] In the figure: 1. Nasopharyngeal tube body; 2. Carbon dioxide port; 3. Oxygen port; 4. End cap; 5. First branch pipe; 6. Drawstring; 7. Winding tube; 8. Carbon dioxide connector; 9. Oxygen connector; 10. Second branch pipe; 11. Wear-resistant layer; 12. Anti-corrosion layer; 13. Buffer cotton; 14. First Velcro; 15. Second Velcro; 16. Cushion. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0021] See also Figure 1-4 The utility model provides an embodiment: a nasopharyngeal tube for preventing blockage, comprising a nasopharyngeal tube body 1, a carbon dioxide inlet 2 is opened at the upper position of one end of the nasopharyngeal tube body 1, an oxygen inlet 3 is opened at the lower position of the carbon dioxide inlet 2 at one end of the nasopharyngeal tube body 1, the tail end of the nasopharyngeal tube body 1 is connected with an end cover 4, the end face of the other end of the nasopharyngeal tube body 1 is connected with a first branch pipe 5, the other end face of the other end of the nasopharyngeal tube body 1 is connected with a second branch pipe 10, the tail ends of the first branch pipe 5 and the second branch pipe 10 are formed with a winding tube 7, the tail end of the second branch pipe 10 is connected with a carbon dioxide connector 8, and the tail end of the first branch pipe 5 is connected with an oxygen connector 9.
[0022] The carbon dioxide inlet 2 and the oxygen inlet 3 are distributed on both sides, and the carbon dioxide inlet 2 and the oxygen inlet 3 form a high and low distribution at the same time.
[0023] The first branch pipe 5 is connected to the oxygen connector 9 , and the second branch pipe 10 is connected to the carbon dioxide connector 8 .
[0024] The outer wall of the nasopharyngeal tube body 1 is coated with an anti-corrosion layer 12 , and the outer wall of the anti-corrosion layer 12 is coated with a wear-resistant layer 11 .
[0025] A drawstring 6 is connected to the outside of the first branch pipe 5 and the second branch pipe 10 in front of the winding tube 7. The inside of the drawstring 6 is filled with cushioning cotton 13. A soft pad 16 is bonded and fixed to the inner wall of the drawstring 6. A second Velcro 15 is installed on the end face of one end of the drawstring 6, and a first Velcro 14 is installed on the end face of the other end of the drawstring 6.
[0026] An adhesive connection is formed between the first Velcro 14 and the second Velcro 15 , and an adhesive connection is formed between the strap 6 and the cushion 16 ;
[0027] Furthermore, the nasopharyngeal tube body 1, the first branch tube 5, the second branch tube 10, etc. can be made of rubber materials;
[0028] Furthermore, the anti-corrosion layer 12 is coated on the outer wall of the nasopharyngeal tube body 1, so the anti-corrosion layer 12 is located in the inner layer to form anti-corrosion protection, while the wear-resistant layer 11 is exposed outside to form wear-resistant protection.
[0029] Working principle: First, during operation, the anti-corrosion layer 12 is coated on the outer wall of the nasopharyngeal tube body 1, so that the anti-corrosion layer 12 is formed in contact with the outer wall of the nasopharyngeal tube body 1, thereby playing a certain anti-corrosion protection, and then the wear-resistant layer 11 is coated on the outer wall of the anti-corrosion layer 12, so that the wear-resistant layer 11 is exposed to the outside, thereby forming wear-resistant protection, and then the carbon dioxide port 2 is opened on the side of one end of the nasopharyngeal tube body 1, and then the oxygen port 3 is opened on the other side of one end of the nasopharyngeal tube body 1, and the carbon dioxide port 2 is located above the oxygen port 3, so the carbon dioxide port 2 and the oxygen port 3 are not set on the same side to prevent simultaneous blockage, and the first branch pipe 5 and the oxygen connector 9 are interconnected, and the second branch pipe 10 and the carbon dioxide connector 8 are interconnected. After connecting one by one, the carbon dioxide connector 8 and the oxygen connector 9 can be connected to corresponding medical equipment, such as a ventilator or an anesthesia machine.
[0030] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.
Claims
1. A nasopharyngeal tube for preventing blockage, comprising a nasopharyngeal tube body (1), characterized in that: A carbon dioxide inlet (2) is provided at an upper position of one end of the nasopharyngeal tube body (1), an oxygen inlet (3) is provided at a lower position of the carbon dioxide inlet (2) at one end of the nasopharyngeal tube body (1), an end cap (4) is connected to the tail end of the nasopharyngeal tube body (1), a first branch pipe (5) is connected to the end face of the other end of the nasopharyngeal tube body (1), a second branch pipe (10) is connected to the other end face of the other end of the nasopharyngeal tube body (1), a winding tube (7) is formed at the tail ends of the first branch pipe (5) and the second branch pipe (10), a carbon dioxide connector (8) is connected to the tail end of the second branch pipe (10), and an oxygen connector (9) is connected to the tail end of the first branch pipe (5).
2. The nasopharyngeal tube for preventing blockage according to claim 1, characterized in that: The carbon dioxide inlet (2) and the oxygen inlet (3) are distributed on both sides, and the carbon dioxide inlet (2) and the oxygen inlet (3) simultaneously form a high-low distribution.
3. The nasopharyngeal tube for preventing blockage according to claim 1, characterized in that: The first branch pipe (5) and the oxygen connector (9) are in communication with each other, and the second branch pipe (10) and the carbon dioxide connector (8) are in communication with each other.
4. The nasopharyngeal tube for preventing blockage according to claim 1, characterized in that: The outer wall of the nasopharyngeal tube body (1) is coated with an anti-corrosion layer (12), and the outer wall of the anti-corrosion layer (12) is coated with a wear-resistant layer (11).
5. The nasopharyngeal tube for preventing blockage according to claim 1, characterized in that: A strap (6) is connected to the outside of the first branch tube (5) and the second branch tube (10) at a position in front of the winding tube (7); the interior of the strap (6) is filled with cushioning cotton (13); a soft pad (16) is bonded and fixed to the inner wall of the strap (6); a second Velcro (15) is installed on the end face of one end of the strap (6); and a first Velcro (14) is installed on the end face of the other end of the strap (6).
6. The nasopharyngeal tube for preventing blockage according to claim 5, characterized in that: An adhesive connection is formed between the first Velcro (14) and the second Velcro (15), and an adhesive connection is formed between the strap (6) and the cushion (16).