CN210844817U

CN210844817U - Anti-reflux trachea cannula

Info

Publication number: CN210844817U
Application number: CN201921448076.5U
Authority: CN
Inventors: 厉翰峙
Original assignee: Handan Peak Han Medical Equipment Technology Co ltd
Current assignee: Handan Peak Han Medical Equipment Technology Co ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-06-26
Anticipated expiration: 2029-09-03

Abstract

The utility model discloses a prevent reverse flow trachea cannula, which comprises a pipe body, connect, first gasbag, the second gasbag, first instruction bubble, second instruction bubble, first gas filled connection pipe, the second gas filled connection pipe, first absorption ring canal, the second absorption ring canal, first negative pressure pipe and second negative pressure pipe, the body one end is installed and is connected the other end and be equipped with the pointed end, fixed cover is equipped with first gasbag by pointed end to joint end in proper order on the body, first absorption ring canal, second gasbag and second absorption ring canal, first negative pressure pipe and negative pressure source and first absorption ring canal intercommunication, second negative pressure pipe and negative pressure source and second absorption ring canal intercommunication, all open a plurality of absorption holes on first absorption ring canal and the second absorption ring canal. The utility model has the advantages that: adopt two gasbag structures, avoid because a gasbag oppresses patient's bronchus wall for a long time, through set up the absorption ring canal at every gasbag department and absorb the palirrhea thing, reduced bacterium, sputum or the volume that gastroesophageal palirrhea thing got into the lung chamber.

Description

Anti-reflux trachea cannula

Technical Field

The utility model relates to a trachea cannula field, especially a prevent trachea cannula that backflows.

Background

The trachea intubation is a technology of placing a trachea cannula into a trachea through glottic fissure, is one of the most widely, effectively and quickly applied means in the management of a respiratory tract, can provide the best conditions for smooth airway, ventilation and oxygen supply, respiratory tract suction, prevention of aspiration and the like, and plays a vital role in rescuing the life of a patient and reducing the fatality rate.

Most of patients who carry out the tracheal intubation are critical patients who need first aid, sputum is easier to produce by the patients compared with healthy people, the self expectoration capacity is low, after the tracheal intubation is inserted into the trachea of the patients, the reflux substance is accumulated on the upper part of the inflatable air bag, but because the inflatable air bag can not completely seal the trachea, when the reflux substance on the upper part of the air bag is excessively accumulated, a part of the reflux substance enters the lung through a gap between the inflatable air bag and the trachea wall, the pneumonia related to a breathing machine is easy to cause, and the patients are not good for recovery. In addition, the tracheal catheters used clinically are all single air bags, the single air bags of the tracheal catheters are subjected to pressure limitation, and low-pressure high-volume air bags are designed, but the bronchus of a patient is pressed by the air bags for a long time, so that the situations of local mucosa necrosis caused by insufficient blood supply of the bronchus mucosa, collapse of the bronchial cartilage annular wall of the patient and the like still occur in clinic, and complications such as tracheoesophageal leakage and the like even occur, so that the prognosis of the patient with the established artificial airway is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems and designing an anti-reflux trachea cannula.

The technical scheme of the utility model is that the anti-backflow trachea cannula comprises a tube body, a joint, a first air bag, a second air bag, a first indicating bubble, a second indicating bubble, a first inflation connecting tube, a second inflation connecting tube, a first absorption ring tube, a second absorption ring tube, a first negative pressure tube and a second negative pressure tube, wherein one end of the tube body is provided with the other end of the joint and is provided with a tip end, the tube body is sequentially and fixedly sleeved with the first air bag, the first absorption ring tube, the second air bag and the second absorption ring tube from the tip end to the joint end, the end of the tube body close to the joint end is connected with the first inflation connecting tube, the second inflation connecting tube, the first negative pressure tube and the second negative pressure tube, one end of the first inflation connecting tube is connected with the other end of the first indicating bubble to penetrate through the inner cavity of the tube body in a sealing way and is communicated with the first air bag, one end of the second inflation connecting tube is connected with the, one end of the first negative pressure pipe is communicated with the negative pressure source, the other end of the first negative pressure pipe penetrates through the inner cavity of the pipe body in a sealing mode and is communicated with the first absorption ring pipe, one end of the second negative pressure pipe is communicated with the negative pressure source, the other end of the second negative pressure pipe penetrates through the inner cavity of the pipe body in a sealing mode and is communicated with the second absorption ring pipe, and a plurality of absorption holes are formed in the first absorption ring pipe and the second.

Furthermore, be equipped with the spacing ring that is used for restricting first gasbag to pass through on the body, the spacing ring is located between pointed end and first gasbag.

Furthermore, the first air bag and the second air bag are both low-pressure high-capacity air bags.

The utility model has the advantages that: adopt two gasbag structures, avoid because a gasbag oppresses patient's bronchus wall for a long time and lead to the condition emergence that bronchus mucosa blood supply is insufficient or the bronchus wall sinks, all set up the absorption ring canal in every gasbag department, absorb the palirrhea thing of the gasbag side of will aerifing through the negative pressure pipe, reduced bacterium, sputum or the volume that gastroesophageal reflux got into the lung chamber, reduced the probability that VAP takes place.

Drawings

Fig. 1 is a schematic structural view of an anti-reflux endotracheal tube of the present invention;

fig. 2 is a cross-sectional view of an anti-reflux endotracheal tube of the present invention;

in the figure, 1, a tube body; 2. a joint; 3. a first air bag; 4. a second air bag; 5. a first indicator bubble; 6. a second indicator bubble; 7. a first inflation connection tube; 8. a second inflation connection tube; 9. a first absorption loop; 10. a second absorption loop; 11. a first negative pressure tube; 12. a second negative pressure tube; 13. a tip; 14. an absorption hole; 15. a limit ring.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings, as shown in fig. 1-2: the utility model provides a prevent trachea cannula that backflows, including body 1, connect 2, first gasbag 3, second gasbag 4, first instruction bubble 5, second instruction bubble 6, first inflatable connection 7, second inflatable connection 8, first absorption ring 9, second absorption ring 10, first negative pressure pipe 11 and second negative pressure pipe 12, body 1 one end is installed and is connected 2 other ends and is equipped with most advanced 13, body 1 is gone up and is fixed cover by most advanced 13 portion to joint 2 end and is equipped with first gasbag 3, first absorption ring 9, second gasbag 4 and second absorption ring 10 in proper order, body 1 is gone up to be connected with first inflatable connection 7 near joint 2 end department, second inflatable connection 8, first negative pressure pipe 11 and second negative pressure pipe 12, first inflatable connection 7 one end even has first instruction bubble 5 other end to seal to pass body 1 inner chamber and communicate with first gasbag 3, second inflatable connection 8 one end even has second instruction bubble 6 other end to seal to pass body 1 inner chamber and with second gasbag inner chamber 4, the first negative pressure pipe 11 one end intercommunication negative pressure source other end passes the sealed body 1 inner chamber that passes and communicates with first absorption ring canal 9, the sealed body 1 inner chamber that passes and communicates with second absorption ring canal 10 that passes of second negative pressure pipe 12 one end intercommunication negative pressure source other end, all opened a plurality of absorption holes 14 on first absorption ring canal 9 and the second absorption ring canal 10, first absorption ring canal 9, second absorption ring canal 10 all adopt nontoxic PVC material to make.

In order to prevent the first air bag 3 from falling off the tube body 1, the tube body 1 is provided with a limiting ring 15 for limiting the first air bag 3 to pass through, the limiting ring 15 is positioned between the tip 13 and the first air bag 3, the limiting ring 15 is made of non-toxic silica gel, and the limiting ring 15 is sleeved and fixed on the tube body 1 in a bonding or welding mode.

In order to improve the inflation capacity of the air bags and reduce the inflation pressure, the first air bag 3 and the second air bag 4 are both arranged into low-pressure high-capacity air bags.

The working principle of the embodiment is as follows: after the trachea cannula is inserted into a proper position in a patient, the first inflation connecting pipe 7 is inflated through an inflation device, the first inflation connecting pipe 7 inflates the first air bag 3, the pressure of the first air bag 3 on the trachea of the human body is judged through the swelling size of the first indication bubble 5, when the first indication bubble 5 begins to expand and grow, the first air bag 3 is attached to the trachea and stops inflating, the tube body 1 is kept fixed, the first negative pressure pipe 11 is connected with a negative pressure source, the negative pressure source is a sputum aspirator, the first negative pressure pipe 11 is communicated with the first absorption ring pipe 9, the first absorption ring pipe 9 generates negative pressure, and reflux accumulated at the first air bag 3 is sucked away through the absorption hole 14;

because the patient needs to insert the tracheal cannula for a long time, in order to avoid the condition that the blood supply of the bronchial mucosa is insufficient or the bronchial wall is collapsed because one air bag presses the bronchial wall of the patient for a long time, every few hours, the first air bag 3 and the second air bag 4 are alternately inflated, the second air bag 4 is firstly inflated through the second inflation connecting pipe 8, the pressure of the second air bag 4 on the trachea of the human body is judged by the swelling size of the second indicating air bubble 6, after the second air bag 4 is inflated, the air in the first air bag 3 is discharged through the first inflation connecting pipe 7, so that the second air bag 4 is attached to the trachea of the human body instead of the first air bag 3, and after the second air bag 4 is used, the regurgitation is easy to accumulate at the second air bag 4, and accordingly, the second negative pressure pipe 12 and the second absorption ring pipe 10 are used, so that the second absorption ring pipe 10 generates negative pressure and sucks the regurgitation accumulated at the second air bag 4 through the absorption holes 14.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. The utility model provides an anti-backflow trachea cannula, which is characterized in that, including body (1), joint (2), first gasbag (3), second gasbag (4), first instruction bubble (5), second instruction bubble (6), first inflatable connection pipe (7), second inflatable connection pipe (8), first absorption ring canal (9), second absorption ring canal (10), first negative pressure pipe (11) and second negative pressure pipe (12), body (1) one end is installed and is connected (2) the other end and is equipped with pointed end (13), body (1) is gone up and is fixed the cover by pointed end (13) portion to joint (2) end in proper order and is equipped with first gasbag (3), first absorption ring canal (9), second gasbag (4) and second absorption ring canal (10), body (1) is gone up and is connected with first inflatable connection pipe (7), second inflatable connection pipe (8) near joint (2) end department, The air bag type air bag comprises a first negative pressure pipe (11) and a second negative pressure pipe (12), one end of a first inflation connecting pipe (7) is connected with a first indication bubble (5) and the other end of the first inflation connecting pipe penetrates through the inner cavity of a pipe body (1) in a sealing mode and is communicated with a first air bag (3), one end of a second inflation connecting pipe (8) is connected with a second indication bubble (6) and the other end of the second inflation connecting pipe penetrates through the inner cavity of the pipe body (1) in a sealing mode and is communicated with a second air bag (4), one end of the first negative pressure pipe (11) is communicated with a negative pressure source and the other end of the first negative pressure pipe penetrates through the inner cavity of the pipe body (1) in a sealing mode and is communicated with a first absorption ring pipe (9), one end of the second negative pressure pipe (12) is communicated with the negative pressure source and the other end of the second negative pressure source.

2. An anti-reflux endotracheal tube according to claim 1, characterized in that said tubular body (1) is provided with a stop collar (15) for limiting the passage of the first balloon (3), said stop collar (15) being located between the tip (13) and the first balloon (3).

3. An anti-reflux endotracheal tube according to claim 1, characterized in that said first balloon (3) and said second balloon (4) are both low-pressure high-volume balloons.