CN211325038U - An end-tidal carbon dioxide sampling tube under spontaneous breathing - Google Patents

Abstract

The utility model relates to the technical field of carbon dioxide sampling tubes, in particular to an end-tidal carbon dioxide sampling tube under spontaneous breathing, comprising an oxygen mask body, two connecting blocks are arranged at both ends of the oxygen mask body, and a fixed One side of the oxygen interface is provided with a connecting mother pipe which is fixed with the oxygen mask body through threaded connection, one end of the connecting mother pipe is sleeved with an air guide pipe, and the other end is sleeved with a sampling pipe. The end-tidal carbon dioxide sampling tube under spontaneous breathing has a two-section structure of sampling tube and airway. Fixed, the comfort is increased, and at the same time, the fixed main tube is connected to the airway, which avoids the discomfort caused by the mask to the patient's face.

Description

An end-tidal carbon dioxide sampling tube under spontaneous breathing

technical field

The utility model relates to the technical field of carbon dioxide sampling tubes, in particular to an end-tidal carbon dioxide sampling tube under spontaneous breathing.

Background technique

End-tidal carbon dioxide monitoring has important clinical application and significance, and the existing end-tidal carbon dioxide sampling tubes are all one-piece structures, with large diameter and hard material, which are directly inserted into the nasal cavity, and the catheter on the outside of the nasal cavity presses the nasolabial The position of the groove is easy to cause discomfort. If a mask is used, because the mask is full of oxygen, it is easy to cause the exhaled carbon dioxide to be diluted, resulting in inaccurate monitoring. In view of this, we propose an end-tidal carbon dioxide sampling tube under spontaneous breathing.

Utility model content

The purpose of the present invention is to provide an end-tidal carbon dioxide sampling tube under spontaneous breathing, so as to solve the problems raised in the above background technology.

To achieve the above object, the utility model provides the following technical solutions:

An end-tidal carbon dioxide sampling tube under spontaneous breathing, comprising an oxygen mask body, an oxygen interface is arranged on the front side of the oxygen mask body, two symmetrical connection blocks are arranged at both ends of the oxygen mask body, and the connection blocks It is integrally formed with the oxygen mask body, and a fixing belt is connected between the two connecting blocks. The oxygen mask body is provided with a connecting main pipe which is fixed to the oxygen interface by threaded connection on the side of the oxygen interface. The connecting main pipe includes a fixed pipe, the top of the fixed pipe is provided with a block, the top of the block is provided with a first connecting pipe, the block and the first connecting pipe are located outside the oxygen mask body, so the The bottom of the fixed pipe is provided with a second connecting pipe, the second connecting pipe is located inside the oxygen mask body, and the fixed pipe, the stopper, the first connecting pipe and the second connecting pipe are An integral molding structure, the first connecting pipe is sleeved with an air guide pipe, and the second connecting pipe is sleeved with a sampling pipe.

Preferably, the connecting block is provided with a through connecting hole, and both ends of the fixing strap pass through the two connecting holes respectively and are fastened to the connecting block.

Preferably, the front side of the oxygen mask body is located at the side of the oxygen interface with a through installation hole, and the outer diameter of the fixing tube is matched with the inner diameter of the installation hole and is fixed by screw connection.

Preferably, the top of the connecting main pipe is provided with a through air hole.

Preferably, the sampling tube includes a medical corrugated pipe, one end of the medical corrugated pipe is provided with a third connecting pipe, and the third connecting pipe is sleeved on the second connecting pipe.

Preferably, the other end of the medical corrugated tube is provided with an insertion tube, and the diameter of the insertion tube is smaller than that of the sampling tube.

Compared with the prior art, the beneficial effects of the present utility model are:

The end-tidal carbon dioxide sampling tube under spontaneous breathing has a two-section structure of the sampling tube and the airway. Fixed, the comfort is increased, and at the same time, the fixed main tube is connected to the airway, which avoids the discomfort caused by the mask to the patient's face.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the enlarged view of place A in the overall structure schematic diagram of the present utility model;

Fig. 3 is the enlarged view of B in the overall structure schematic diagram of the present utility model;

Fig. 4 is the structural representation of the oxygen mask body in the utility model;

Fig. 5 is the structural schematic diagram of connecting the main pipe in the utility model;

FIG. 6 is a schematic structural diagram of a sampling tube in the utility model.

In the figure: 1. Oxygen mask body; 10. Oxygen interface; 11. Connecting block; 110. Connecting hole; 12. Mounting hole; 2. Fixing belt; 32, the first connecting pipe; 33, the second connecting pipe; 34, the air hole; 4, the airway; 5, the sampling pipe; 50, the medical corrugated pipe;

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise" etc. Or the positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed in a specific orientation and operation, so it cannot be construed as a limitation to the present invention.

Furthermore, the terms "first", "second" and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second", "third" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

Please refer to Fig. 1-Fig. 6, the utility model provides a technical solution:

An end-tidal carbon dioxide sampling tube under spontaneous breathing, comprising an oxygen mask body 1, an oxygen interface 10 is provided on the front side of the oxygen mask body 1, and a connection to the oxygen mask body 1 on the side of the oxygen interface 10 is provided with a screw connection fixed thereto. The main pipe 3, the connection main pipe 3 includes a fixed pipe 30, the top of the fixed pipe 30 is provided with a block 31, the top of the block 31 is provided with a first connecting pipe 32, and the block 31 and the first connecting pipe 32 are located outside the oxygen mask body 1 , the bottom of the fixed pipe 30 is provided with a second connecting pipe 33, the second connecting pipe 33 is located inside the oxygen mask body 1, and the fixed pipe 30, the stopper 31, the first connecting pipe 32 and the second connecting pipe 33 are integrally formed. The top of the connecting main pipe 3 is provided with a penetrating air hole 34 to ensure the circulation of gas. The first connecting pipe 32 is sleeved with an air conduit 4, which is connected to the dynamic monitoring module. The other end of the air conduit is sleeved on the second connecting pipe 33. There is a sampling tube 5, and the gas exhaled by the patient passes through the sampling tube 5, the connecting mother tube 3 and the airway tube 4 in sequence to the dynamic monitoring module, to complete the sampling of carbon dioxide.

In this embodiment, two symmetrical connecting blocks 11 are provided at both ends of the oxygen mask body 1, and the connecting blocks 11 and the oxygen mask body 1 are integrally formed, and a fixing belt 2 is connected between the two connecting blocks 11. The connecting blocks 11 is provided with a connecting hole 110 penetrating through, the two ends of the fixing strap 2 pass through the two connecting holes 110 respectively and are tied on the connecting block 11, and the oxygen mask body 1 is fixed on the patient's head by the fixing strap 2.

In addition, the front side of the oxygen mask body 1 is located at the side of the oxygen interface 10 with a through installation hole 12, and the outer diameter of the fixing pipe 30 is matched with the inner diameter of the installation hole 12 and is fixed by screw connection, so that The connecting main tube 3 is detachable. When the oxygen mask body 1 is not required for collection, the sampling tube 5 and the airway tube 4 can be connected through the connecting main tube 3 according to the situation, and then fixed with adhesive tape, and the sampling tube 5 can be adjusted to a suitable position. , to improve the collection comfort.

Further, the sampling tube 5 includes a medical bellows 50. The medical bellows 50 has the advantages of soft texture, can be stretched and contracted, can adjust the angle and maintain plasticity. Oxygen ventilation; one end of the medical corrugated pipe 50 is provided with a third connecting pipe 51, and the third connecting pipe 51 is sleeved on the second connecting pipe 33 for easy removal; the other end of the medical corrugated pipe 50 is provided with a plug-in pipe 52 for use The sampling tube 5 is pulled out from the oxygen mask body 1, and the insertion tube 52 is inserted into the nasal vestibule opening. The diameter of the insertion tube 52 is smaller than that of the sampling tube 5, which improves the comfort of the patient.

When using the end-tidal carbon dioxide sampling tube under spontaneous breathing in this embodiment, the medical staff first checks the integrity of the device and the temperature stability of the connections; then connect one end of the airway tube 4 to the dynamic monitoring module, and then Pull out the sampling tube 5 from the oxygen mask body 1, and insert the plug tube 52 into the opening of the nasal vestibule; if the oxygen mask body 1 needs to be collected, use the fixing belt 2 to fix the oxygen mask body 1 on the appropriate position of the patient's head, If the oxygen mask body 1 is not required for collection, remove the connecting main tube 3, connect the sampling tube 5 and the airway tube 4 through the connecting main tube 3, and then use tape to fix it, and adjust the sampling tube 5 to a suitable position to improve the comfort of collection. The gas exhaled by the patient is sent to the dynamic monitoring module through the sampling tube 5, the connecting main tube 3 and the airway tube 4 in turn to complete the carbon dioxide sampling.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Under the premise of the spirit and scope, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a breathe last carbon dioxide sampling pipe down voluntarily, includes oxygen mask body (1), its characterized in that: the oxygen mask comprises an oxygen mask body (1), wherein an oxygen interface (10) is arranged on the front side of the oxygen mask body (1), two symmetrical connecting blocks (11) are arranged at two ends of the oxygen mask body (1), the connecting blocks (11) and the oxygen mask body (1) are of an integrally formed structure, a fixing belt (2) is connected between the two connecting blocks (11), a connecting main pipe (3) fixedly connected with the oxygen interface (10) through threads is arranged on one side of the oxygen mask body (1), the connecting main pipe (3) comprises a fixing pipe (30), a stop block (31) is arranged at the top of the fixing pipe (30), a first connecting pipe (32) is arranged at the top of the stop block (31), the stop block (31) and the first connecting pipe (32) are arranged on the outer side of the oxygen mask body (1), a second connecting pipe (33) is arranged at the bottom of the fixing pipe (30), second connecting pipe (33) are located oxygen mask body (1) is inboard, just fixed pipe (30) dog (31) first connecting pipe (32) with second connecting pipe (33) are the integrated into one piece structure, air duct (4) have been cup jointed on first connecting pipe (32), sampling pipe (5) have been cup jointed on second connecting pipe (33).

2. The breathed carbon dioxide sampling tube of claim 1, wherein: the fixing device is characterized in that a through connecting hole (110) is formed in the connecting block (11), and two ends of the fixing band (2) penetrate through the two connecting holes (110) respectively and are tied to the connecting block (11).

3. The breathed carbon dioxide sampling tube of claim 1, wherein: the oxygen mask is characterized in that the front side of the oxygen mask body (1) is located at the side of the oxygen interface (10) and is provided with a through mounting hole (12), and the outer diameter of the fixing pipe (30) is matched with the inner diameter of the mounting hole (12) and is fixedly connected with the mounting hole through threads.

4. The breathed carbon dioxide sampling tube of claim 1, wherein: the top of the connecting main pipe (3) is provided with a through air hole (34).

5. The breathed carbon dioxide sampling tube of claim 1, wherein: sampling pipe (5) are including medical bellows (50), the one end of medical bellows (50) is equipped with third connecting pipe (51), third connecting pipe (51) cup joint on second connecting pipe (33).

6. The breathed carbon dioxide sampling tube of claim 5, wherein: the other end of the medical corrugated pipe (50) is provided with an inserting pipe (52), and the pipe diameter of the inserting pipe (52) is smaller than that of the sampling pipe (5).

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