Fixable end-tidal carbon dioxide catheter

Abstract

The utility model relates to the technical field of medical instruments, and discloses a fixable end-tidal carbon dioxide catheter which comprises a carbon dioxide monitoring connecting pipe and an oxygen conveying connecting pipe, and the oxygen conveying connecting pipe is arranged at the top end of the carbon dioxide monitoring connecting pipe. When the fixable end-tidal carbon dioxide catheter is used, a first back plate and a first clamp as well as a second clamp and a second back plate are arranged at the oxygen supply end and the oxygen inhalation end respectively, and when the catheter is installed and used, release paper on an adhesive layer can be torn down, and then the catheter can be fixed. Then the first back plate and the second back plate can be pasted and fixed to the skin or a sickbed through the adhesive layers, the catheter is supported and fixed in an auxiliary mode, the falling situation of the catheter in the using process is reduced, meanwhile, the catheter can be flexibly detached at the fixed position in the fixing process through the arranged second connecting thorn face and the arranged second connecting hair face, and the fixing effect is good. The problem that auxiliary fixing cannot be conveniently carried out when the end-tidal carbon dioxide catheter is used is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a fixable end-tidal carbon dioxide catheter. Background Art

[0002] A carbon dioxide oxygen catheter is an important device used in respiratory therapy. It helps patients breathe better and reduces carbon dioxide retention by delivering oxygen directly to the patient's airway. It is commonly used to treat respiratory diseases such as chronic obstructive pulmonary disease and asthma, and to provide patients with additional oxygen supply during surgery.

[0003] However, when the end-tidal carbon dioxide catheter is used and installed at the patient's nose to assist the patient's breathing, since the catheter has a certain length, it will cause the catheter to fall down due to its own weight during use, resulting in a dragging feeling, causing discomfort during use, and it is not convenient to assist in fixing the end-tidal carbon dioxide catheter during use. At the same time, the end-tidal carbon dioxide catheter can generally only provide oxygen delivery and oxygen inhalation functions during use, and cannot monitor end-tidal carbon dioxide well, which is insufficient.

[0004] Now, a novel fixable end-tidal carbon dioxide catheter is proposed to solve the above-mentioned shortcomings. Utility Model Content

[0005] The utility model aims to provide a fixable end-tidal carbon dioxide catheter to solve the problem inconvenient to perform auxiliary fixation on the end-tidal carbon dioxide catheter when in use, as mentioned in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixable end-tidal carbon dioxide catheter, comprising a carbon dioxide monitoring connecting tube and an oxygen supply connecting tube, the top of the carbon dioxide monitoring connecting tube is provided with an oxygen supply connecting tube, the right sides of the carbon dioxide monitoring connecting tube and the oxygen supply connecting tube are provided with a tee, the right side of the oxygen supply connecting tube is provided with a first air supply pipe, the right side of the carbon dioxide monitoring connecting tube is provided with a second air supply pipe, the carbon dioxide monitoring connecting tube and the oxygen supply connecting tube are provided with a first clamp respectively, and the rear end of the first clamp is fixedly connected to a first back plate, the first air supply pipe and the second air supply pipe are respectively provided with a second clamp, and the rear end of the second clamp is fixedly connected to a second back plate, the front ends of the first clamp and the second clamp are respectively provided with openings, the rear ends of the first back plate and the second back plate are respectively fixedly connected to second connecting thorn surfaces, and the rear ends of the second connecting thorn surfaces are provided with a second connecting rough surface, the rear end of the second connecting rough surface is fixedly provided with an adhesive layer, and the rear end of the adhesive layer is pasted with release paper.

[0007] Preferably, the opening passes through the interior of the front end of the first clamp and the second clamp respectively, and the first clamp and the second clamp are respectively clamped on the outside of the carbon dioxide monitoring connecting pipe and the oxygen supply connecting pipe and the first gas supply pipe and the second gas supply pipe.

[0008] Preferably, the first back plate, the first clamp, the second clamp and the second back plate are respectively components made of silicone material.

[0009] Preferably, joints are fixed on the left sides of the carbon dioxide monitoring connecting tube and the oxygen supply connecting tube, a nasal tube is arranged between the first air supply tube and the second air supply tube, a first cannula is fixed to the top end of the left side of the nasal tube, a second cannula is fixed to the bottom end of the left side of the nasal tube, sockets are arranged inside the top and bottom ends of the nasal tube, inner cavities are arranged at the top and bottom ends of the nasal tube, the outsides of the first air supply tube and the second air supply tube are sleeved with restraint tubes, and the right sides of the first air supply tube and the second air supply tube are respectively plugged and fixed inside the sockets.

[0010] Preferably, the right side of the oxygen supply connecting tube is plugged and fixed inside the top end of the left side of the tee, and the right side of the carbon dioxide monitoring connecting tube is plugged and fixed inside the left side of the tee.

[0011] Preferably, the left side of the first gas pipe is fixedly connected to the right side of the tee, and the first gas pipe is connected to the interior of the oxygen supply connecting pipe through the tee, and the left side of the second gas pipe is fixedly connected to the right side of the tee, and the second gas pipe is connected to the interior of the carbon dioxide monitoring connecting pipe through the tee.

[0012] Preferably, the interior of the nasal tube is partitioned in the middle, and the inner cavity is communicated with the interior of the first cannula and the interior of the second cannula respectively.

[0013] Preferably, the left sides of the carbon dioxide monitoring connecting tube and the oxygen supply connecting tube are respectively sleeved with rings, and the top ends of the rings are fixedly connected with connecting belts, the top of the front end of the connecting belt is fixed with a first connecting thorn surface, and the bottom of the rear end of the connecting belt is fixed with a first connecting rough surface.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the fixable end-tidal carbon dioxide catheter not only facilitates auxiliary fixation of the end-tidal carbon dioxide catheter during use, facilitates monitoring of end-tidal carbon dioxide during oxygen inhalation, but also facilitates storage of the catheter;

[0015] (1) By providing a carbon dioxide monitoring connecting tube, an oxygen supply connecting tube, a first back plate, a first clamp, a second clamp, a second back plate, a release paper, an adhesive layer, a second connection rough surface, a second connection barbed surface and an opening, when the end-tidal carbon dioxide catheter is in use, a first back plate and a first clamp as well as a second clamp and a second back plate are provided at the oxygen supply end and the oxygen inhalation end, respectively. When the catheter is installed and used, the release paper on the adhesive layer can be torn off, and then the first back plate and the second back plate can be adhered and fixed to the skin or the bed by using the adhesive layer, so as to assist in lifting and fixing the catheter and reduce the possibility of the catheter falling when in use. At the same time, by providing the second connection barbed surface and the second connection rough surface, the catheter can be flexibly disassembled at the fixed position when fixed. The first clamp and the second clamp can also slide left and right on the outside of the catheter to adjust the fixed position of the catheter, so as to facilitate the auxiliary fixation of the end-tidal carbon dioxide catheter when in use;

[0016] (2) A carbon dioxide monitoring connecting tube, a joint, an oxygen supply connecting tube, a tee, a restraining tube, a first air supply tube, a second air supply tube, a second cannula, a socket and an inner cavity are provided. When the end-tidal carbon dioxide catheter is in use, an oxygen supply connecting tube and a carbon dioxide monitoring connecting tube are fixed at the top and bottom positions of the left side of the tee, respectively. The oxygen supply connecting tube can be connected to an external oxygen supply device by using the joint, and then the carbon dioxide monitoring connecting tube can be connected to the external end-tidal carbon dioxide monitoring device by using the joint. When the nasal tube is fixed to the nose, the first cannula and the second cannula are respectively inserted into the nasal cavity. The oxygen supply connecting tube can input oxygen into the first air supply tube through the tee, and then the oxygen is outputted from the nasal tube and the first cannula for the patient to inhale oxygen. At the same time, a second cannula is fixed at the bottom end of the left side of the nasal tube, and the end-tidal carbon dioxide of the patient's exhaled gas can be collected and sent to the external monitoring by the second air supply tube and the carbon dioxide monitoring connecting tube for monitoring. When the catheter is in use, oxygen can be inhaled through one nostril while the end-tidal carbon dioxide can be monitored at the nostril position;

[0017] (3) By providing a carbon dioxide monitoring connecting tube, an oxygen supply connecting tube, a collar, a connecting belt, a first connecting barbed surface and a first connecting rough surface, when the catheter is in use, a collar and a connecting belt are respectively provided on the outside of the carbon dioxide monitoring connecting tube and the oxygen supply connecting tube. When the catheter is long, the catheter portion can be wound into a ring shape, and then the connecting belt is passed through the inside of the ring, and then the connecting belt is passed around the outside of the collar. After the first connecting barbed surface is adhered and fixed to the first connecting rough surface, part of the catheter can be assisted in being stored, which is convenient for adjusting the use length of the catheter. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 2 For this utility model Figure 1 A is an enlarged structural diagram;

[0020] Figure 3 It is a schematic diagram of the enlarged side view of the first back plate of the utility model;

[0021] Figure 4 It is a schematic diagram of the enlarged side view of the connecting belt of the utility model.

[0022] In the figure: 1. carbon dioxide monitoring connecting tube; 2. joint; 3. oxygen supply connecting tube; 4. collar; 5. connecting belt; 6. first connecting barbed surface; 7. first back plate; 8. first clamp; 9. tee; 10. restraining tube; 11. first air supply pipe; 12. second clamp; 13. second back plate; 14. nasal tube; 15. first cannula; 16. second air supply pipe; 17. second cannula; 18. socket; 19. inner cavity; 20. release paper; 21. adhesive layer; 22. second connecting rough surface; 23. second connecting barbed surface; 24. opening; 25. first connecting rough surface. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1: Please refer to Figure 1-4 A fixable end-tidal carbon dioxide catheter comprises a carbon dioxide monitoring connecting tube 1 and an oxygen supply connecting tube 3, the top of the carbon dioxide monitoring connecting tube 1 is provided with the oxygen supply connecting tube 3, a tee 9 is provided on the right side of the carbon dioxide monitoring connecting tube 1 and the oxygen supply connecting tube 3, a first gas supply pipe 11 is provided on the right side of the oxygen supply connecting tube 3, a second gas supply pipe 16 is provided on the right side of the carbon dioxide monitoring connecting tube 1, a first clamp 8 is provided on the carbon dioxide monitoring connecting tube 1 and the oxygen supply connecting tube 3, and a second clamp 8 is fixedly connected to the rear end of the first clamp 8. A back plate 7, a first gas pipe 11 and a second gas pipe 16 are respectively provided with a second clamp 12, and the rear end of the second clamp 12 is fixedly connected to the second back plate 13, the front ends of the first clamp 8 and the second clamp 12 are respectively provided with openings 24, the rear ends of the first back plate 7 and the second back plate 13 are respectively fixedly connected to second connection barbed surfaces 23, and the rear ends of the second connection barbed surfaces 23 are provided with second connection rough surfaces 22, the rear ends of the second connection rough surfaces 22 are fixed with an adhesive layer 21, and the rear ends of the adhesive layer 21 are pasted with a release paper 20;

[0025] The opening 24 passes through the interior of the front end of the first clamp 8 and the second clamp 12 respectively. The first clamp 8 and the second clamp 12 are respectively sleeved on the outside of the carbon dioxide monitoring connecting pipe 1 and the oxygen supply connecting pipe 3 and the first gas supply pipe 11 and the second gas supply pipe 16. The first back plate 7, the first clamp 8, the second clamp 12 and the second back plate 13 are respectively silicone material components;

[0026] Specifically, Figure 1 and Figure 3 As shown, a first back plate 7 and a first clamp 8 as well as a second clamp 12 and a second back plate 13 are respectively provided at the oxygen supply end and the oxygen absorption end. When the catheter is installed and used, the release paper 20 on the adhesive layer 21 can be torn off, and then the first back plate 7 and the second back plate 13 can be adhered and fixed to the skin or the bed by using the adhesive layer 21, so as to assist in lifting and fixing the catheter and reduce the falling of the catheter during use. At the same time, the second connecting thorn surface 23 and the second connecting rough surface 22 can be provided, so that the catheter can be flexibly disassembled at the fixed position when fixed. The first clamp 8 and the second clamp 12 can also slide left and right on the outside of the catheter to adjust the fixed position of the catheter.

[0027] Embodiment 2: A joint 2 is fixed to the left side of the carbon dioxide monitoring connecting tube 1 and the oxygen supply connecting tube 3, respectively; a nasal tube 14 is arranged between the first air supply tube 11 and the second air supply tube 16; a first cannula 15 is fixed to the top end of the left side of the nasal tube 14, a second cannula 17 is fixed to the bottom end of the left side of the nasal tube 14, a socket 18 is arranged inside the top and bottom ends of the nasal tube 14, an inner cavity 19 is arranged at the top and bottom ends of the nasal tube 14, respectively; a restraining tube 10 is sleeved on the outside of the first air supply tube 11 and the second air supply tube 16, and the right sides of the first air supply tube 11 and the second air supply tube 16 are respectively plugged and fixed inside the socket 18;

[0028] The right side of the oxygen supply connecting tube 3 is plugged and fixed inside the top left side of the tee 9, the right side of the carbon dioxide monitoring connecting tube 1 is plugged and fixed inside the left side of the tee 9, the left side of the first gas supply pipe 11 is fixedly connected to the right side of the tee 9, the first gas supply pipe 11 is connected to the inside of the oxygen supply connecting tube 3 through the tee 9, the left side of the second gas supply pipe 16 is fixedly connected to the right side of the tee 9, the second gas supply pipe 16 is connected to the inside of the carbon dioxide monitoring connecting tube 1 through the tee 9, the inside of the nasal tube 14 is partitioned in the middle, and the inner cavity 19 is respectively connected to the inside of the first cannula 15 and the second cannula 17;

[0029] Specifically, Figure 1 and Figure 2As shown, an oxygen supply connecting tube 3 and a carbon dioxide monitoring connecting tube 1 are fixed at the top and bottom positions of the left side of the tee 9 respectively. The oxygen supply connecting tube 3 can be connected to an external oxygen supply device by using a connector 2, and then the carbon dioxide monitoring connecting tube 1 is connected to an external end-tidal carbon dioxide monitoring device by using a connector 2. When the nasal tube 14 is fixed to the nose, the first cannula 15 and the second cannula 17 are respectively inserted into the nasal cavity. The oxygen supply connecting tube 3 can input oxygen into the first air supply tube 11 through the tee 9, and then the oxygen is output by the nasal tube 14 and the first cannula 15 for the patient to inhale oxygen. At the same time, a second cannula 17 is fixed at the bottom end of the left side of the nasal tube 14, and the end-tidal carbon dioxide of the patient's exhaled gas can be collected and sent to the external monitoring by the second air supply tube 16 and the carbon dioxide monitoring connecting tube 1 for monitoring. When the catheter is in use, oxygen can be inhaled through one nostril while the end-tidal carbon dioxide is monitored at the nostril position.

[0030] Embodiment 3: The left sides of the carbon dioxide monitoring connecting tube 1 and the oxygen supply connecting tube 3 are respectively sleeved with a collar 4, and the top of the collar 4 is fixedly connected with a connecting belt 5, the top of the front end of the connecting belt 5 is fixed with a first connecting thorn surface 6, and the bottom of the rear end of the connecting belt 5 is fixed with a first connecting rough surface 25;

[0031] Specifically, Figure 1 and Figure 4 As shown, a ring 4 and a connecting belt 5 are respectively provided on the outside of the carbon dioxide monitoring connecting tube 1 and the oxygen supply connecting tube 3. When the catheter is long, the catheter portion can be wound into a ring, and then the connecting belt 5 is passed through the inside of the ring, and then the connecting belt 5 is passed around the outside of the ring 4, and the first connecting thorn surface 6 is glued and fixed on the first connecting rough surface 25, so that part of the catheter can be assisted to be stored, and the use length of the catheter can be adjusted.

[0032] Working principle: When the end-tidal carbon dioxide catheter of the utility model is in use, a first back plate 7 and a first clamp 8 as well as a second clamp 12 and a second back plate 13 are respectively provided at the oxygen supply end and the oxygen inhalation end. When the catheter is installed and used, the release paper 20 on the adhesive layer 21 can be torn off, and then the first back plate 7 and the second back plate 13 can be pasted and fixed to the skin or the bed by using the adhesive layer 21 to assist in lifting and fixing the catheter. At the same time, the catheter can be flexibly disassembled at the fixed position when fixed by using the second connecting thorn surface 23 and the second connecting rough surface 22. The first clamp 8 and the second clamp 12 can also be slid left and right on the outside of the catheter to adjust the fixed position of the catheter. At the same time, when the end-tidal carbon dioxide catheter is in use, an oxygen supply connecting tube 3 and a carbon dioxide monitoring connecting tube 1 are respectively fixed at the top and bottom ends of the left side of the tee 9. The oxygen supply connecting tube 3 can be connected to an external oxygen supply device by using the connector 2, and then the carbon dioxide monitoring connecting tube 1 can be connected to the external end-tidal carbon dioxide monitoring device by using the connector 2. When the nasal tube 14 is fixed to the nose, the first cannula 15 and the second cannula 17 are respectively inserted into the nasal cavity. The oxygen supply connecting tube 3 provided can input oxygen into the first air supply tube 11 through the tee 9, and then the oxygen is outputted from the nasal tube 14 and the first cannula 15 for the patient to inhale oxygen. At the same time, a second cannula 17 is fixed at the bottom end of the left side of the nasal tube 14, and the end-tidal carbon dioxide of the patient's exhaled gas can be collected and sent to the external monitoring for monitoring by the second air supply tube 16 and the carbon dioxide monitoring connecting tube 1. When the catheter is used, oxygen can be inhaled through one nostril while the end-tidal carbon dioxide is monitored at the nostril position. When the catheter is used, a ring 4 and a connecting belt 5 are respectively provided on the outside of the carbon dioxide monitoring connecting tube 1 and the oxygen supply connecting tube 3. When the catheter is long, the catheter part can be wound into a ring, and then the connecting belt 5 is passed through the inside of the ring, and then the connecting belt 5 is passed around the outside of the ring 4. After the first connecting thorn surface 6 is pasted and fixed on the first connecting rough surface 25, part of the catheter can be assisted to be stored and the use length of the catheter can be adjusted.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A fixable end-tidal carbon dioxide catheter, comprising a carbon dioxide monitoring connecting tube (1) and an oxygen supply connecting tube (3), characterized in that: The top of the carbon dioxide monitoring connecting tube (1) is provided with an oxygen supply connecting tube (3), the right sides of the carbon dioxide monitoring connecting tube (1) and the oxygen supply connecting tube (3) are provided with a tee (9), the right side of the oxygen supply connecting tube (3) is provided with a first gas supply pipe (11), the right side of the carbon dioxide monitoring connecting tube (1) is provided with a second gas supply pipe (16), the carbon dioxide monitoring connecting tube (1) and the oxygen supply connecting tube (3) are respectively provided with a first clamp (8), and the rear end of the first clamp (8) is fixedly connected to a first back plate (7), the first gas supply pipe (11) and the second gas supply pipe (16) are connected to each other. A second clamp (12) is provided on the air pipe (16), and the rear end of the second clamp (12) is fixedly connected to the second back plate (13), the front ends of the first clamp (8) and the second clamp (12) are respectively provided with openings (24), the rear ends of the first back plate (7) and the second back plate (13) are respectively fixedly connected to a second connecting barbed surface (23), and the rear ends of the second connecting barbed surface (23) are provided with a second connecting rough surface (22), the rear end of the second connecting rough surface (22) is fixed with an adhesive layer (21), and the rear end of the adhesive layer (21) is pasted with a release paper (20).

2. A fixable end-tidal carbon dioxide catheter according to claim 1, characterized in that: The opening (24) passes through the interior of the front ends of the first clamp (8) and the second clamp (12), respectively; the first clamp (8) and the second clamp (12) are respectively sleeved on the outside of the carbon dioxide monitoring connecting pipe (1) and the oxygen supply connecting pipe (3) as well as the first gas supply pipe (11) and the second gas supply pipe (16).

3. A fixable end-tidal carbon dioxide catheter according to claim 1, characterized in that: The first back plate (7), the first clamp (8), the second clamp (12) and the second back plate (13) are respectively components made of silicone material.

4. A fixable end-tidal carbon dioxide catheter according to claim 1, characterized in that: The left sides of the carbon dioxide monitoring connecting tube (1) and the oxygen supply connecting tube (3) are respectively fixed with joints (2); a nasal tube (14) is arranged between the first air supply tube (11) and the second air supply tube (16); a first cannula (15) is fixed at the top end of the left side of the nasal tube (14); a second cannula (17) is fixed at the bottom end of the left side of the nasal tube (14); sockets (18) are arranged inside the top and bottom ends of the nasal tube (14); inner cavities (19) are respectively arranged at the top and bottom ends of the nasal tube (14); restraining tubes (10) are sleeved on the outside of the first air supply tube (11) and the second air supply tube (16); and the right sides of the first air supply tube (11) and the second air supply tube (16) are respectively plugged and fixed inside the sockets (18).

5. A fixable end-tidal carbon dioxide catheter according to claim 1, characterized in that: The right side of the oxygen supply connecting tube (3) is plugged and fixed inside the top left side of the tee (9), and the right side of the carbon dioxide monitoring connecting tube (1) is plugged and fixed inside the left side of the tee (9).

6. A fixable end-tidal carbon dioxide catheter according to claim 1, characterized in that: The left side of the first gas supply pipe (11) is fixedly connected to the right side of the tee (9), and the first gas supply pipe (11) is connected to the interior of the oxygen supply connecting pipe (3) through the tee (9). The left side of the second gas supply pipe (16) is fixedly connected to the right side of the tee (9), and the second gas supply pipe (16) is connected to the interior of the carbon dioxide monitoring connecting pipe (1) through the tee (9).

7. A fixable end-tidal carbon dioxide catheter according to claim 4, characterized in that: The nasal tube (14) is partitioned in the middle, and the inner cavity (19) is respectively connected to the inside of the first cannula (15) and the second cannula (17).

8. A fixable end-tidal carbon dioxide catheter according to claim 1, characterized in that: The carbon dioxide monitoring connecting tube (1) and the oxygen supply connecting tube (3) are respectively sleeved with a ring (4) on their left sides, and the top of the ring (4) is fixedly connected with a connecting belt (5), the top of the front end of the connecting belt (5) is fixed with a first connecting thorn surface (6), and the bottom of the rear end of the connecting belt (5) is fixed with a first connecting rough surface (25).

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