Automatic pressure relief trachea cannula device

Abstract

The utility model discloses an automatic pressure relief trachea cannula device which comprises a trachea cannula, an air bag is arranged on the outer wall of the trachea cannula in a sleeved mode, an air delivery pipe communicated with the air bag is arranged on the outer wall of the air bag, an inflation assembly is arranged at the end, away from the air bag, of the air delivery pipe, and a pressure relief pipe communicated with the air delivery pipe is arranged on the outer wall of the air delivery pipe. A pressure relief assembly is arranged at the end, away from the gas conveying pipe, of the pressure relief pipe. The device has the beneficial effects that the air inflation assembly is arranged, so that a person can inflate the air bag at any time conveniently, the situation that air leakage occurs or secreta is sucked by mistake due to the fact that the gap between the inner wall of the air pipe and the air bag is enlarged due to air flowing out of the air bag is prevented, and use is more flexible and convenient; the air bag is prevented from being excessively expanded to press the inner wall of the trachea, and the safety is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical technology field, specifically, relate to a kind of automatic pressure relief tracheal intubation device. BACKGROUND

[0002] Tracheal intubation is the method that specially-made endotracheal tube is inserted into trachea or bronchus through oral cavity or nasal cavity, provides the best conditions for respiratory tract patency, ventilation oxygen supply, respiratory tract suction, etc., and is the important measure for rescuing patients with respiratory dysfunction.

[0003] The existing tracheal intubation is inserted into trachea, and air is filled in the air separation sleeve bag, so that the air separation sleeve bag on the outer wall of the tracheal intubation is inflated and closely contacts with the inner wall of the trachea, to prevent air leakage or aspiration of airway secretions, and the existing air separation sleeve bag cannot automatically exhaust during the inflation process, when the air separation sleeve bag is inflated excessively, the air separation sleeve bag is inflated too much, and then the air separation sleeve bag is pressed too much on the inner wall of the trachea, to form compression, and the safety is low.

[0004] For the problems in the related art, there is no effective solution at present. SUMMARY

[0005] For the problems in the related art, the utility model provides a kind of automatic pressure relief tracheal intubation device to overcome the above technical problems existing in the prior art.

[0006] Therefore, the specific technical scheme adopted by the utility model is as follows:

[0007] An automatic pressure relief tracheal intubation device, comprising a tracheal intubation tube, a gas bag is sleeved on the outer wall of the tracheal intubation tube, a gas delivery tube is arranged in communication with the outer wall of the gas bag, an inflation assembly is arranged at one end of the gas delivery tube away from the gas bag, a pressure relief pipe is arranged in communication with the outer wall of the gas delivery tube, and a pressure relief assembly is arranged at one end of the pressure relief pipe away from the gas delivery tube.

[0008] Preferably, the inflation assembly comprises an inflation cylinder arranged at one end of the gas delivery tube away from the gas bag, an air injection pipe is arranged in communication with the bottom end of the inflation cylinder, the bottom end of the air injection pipe is in communication with the gas delivery tube, air inlet pipes are arranged symmetrically on the outer wall of the inflation cylinder and in communication therewith, a piston one is arranged in the inflation cylinder and matched therewith, a push rod is arranged at the top end of the piston one, a return spring one is sleeved on the outer wall of the push rod, the piston one is connected with the inflation cylinder through the return spring one, and the top end of the push rod extends out of the inflation cylinder and is connected with a pressing block.

[0009] Preferably, a gas one-way valve is arranged on the air injection pipe. Preferably, a filter screen one is arranged on one side of the air inlet pipe.

[0010] As preferred, the top end of the inflating cylinder is provided with a sliding hole matched with the pushing rod.

[0011] As preferred, the pressure relief assembly comprises a pressure relief cylinder provided at one end of the pressure relief pipe away from the gas conveying pipe, the outer wall of the pressure relief cylinder is provided with symmetrically arranged and communicated gas outlet pipes, the inner bottom end of the pressure relief cylinder is provided with a piston two matched therewith, and the top end of the piston two is connected with the pressure relief cylinder through a reset spring two.

[0012] As preferred, one side of the gas outlet pipe is provided with a filter net two matched therewith.

[0013] The beneficial effects of the utility model are as follows: the air chamber can be inflated at any time through the setting of the inflating assembly, the air chamber gas outflow is prevented, the air tube inner wall and the air chamber gap are prevented from becoming larger to cause air leakage or misabsorption of secretions, the use is more flexible and convenient, the pressure relief assembly is set to automatically exhaust when the air chamber internal gas is excessive, the air chamber overexpansion is prevented to form pressure on the air tube inner wall, and the safety is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.

[0015] Fig. 1 It is a whole structure schematic view of an automatic pressure relief tracheal intubation device according to an embodiment of the utility model;

[0016] Fig. 2 It is a front view of an automatic pressure relief tracheal intubation device according to an embodiment of the utility model;

[0017] Fig. 3 It is a structure schematic view of an inflating cylinder in an automatic pressure relief tracheal intubation device according to an embodiment of the utility model;

[0018] Fig. 4 It is a cross-sectional view of an inflating cylinder in an automatic pressure relief tracheal intubation device according to an embodiment of the utility model;

[0019] Fig. 5 It is a structure schematic view of a pressure relief cylinder in an automatic pressure relief tracheal intubation device according to an embodiment of the utility model;

[0020] Fig. 6 It is a cross-sectional view of a pressure relief cylinder in an automatic pressure relief tracheal intubation device according to an embodiment of the utility model.

[0021] In the figure: 1, tracheal tube; 2, air bag; 3, gas delivery tube; 4, pressure relief tube; 5, inflation cylinder; 6, gas injection tube; 7, gas inlet tube; 8, piston one; 9, push rod; 10, return spring one; 11, pressure block; 12, gas check valve; 13, filter screen one; 14, pressure relief cylinder; 15, gas outlet tube; 16, piston two; 17, return spring two; 18, filter screen two. DETAILED DESCRIPTION

[0022] To further illustrate the embodiments, the utility model provides the drawings, these drawings are part of the utility model disclosure, it mainly used to illustrate the embodiment, and can cooperate with the relevant description of the specification to explain the operating principle of the embodiment, cooperate with reference to these contents, the person skilled in the art should be able to understand other possible implementation ways and the advantages of the utility model, the components in the figure are not drawn according to scale, and similar component symbols are usually used to represent similar components.

[0023] According to the embodiment of the utility model, an automatic pressure relief tracheal tube device is provided. EMBODIMENT

[0024] As Figs. 1-6 shown, the automatic pressure relief tracheal tube device according to the embodiment of the utility model comprises a tracheal tube 1, the tracheal tube 1 is sleeved with an air bag 2 on the outer wall, the air bag 2 is provided with a gas delivery tube 3 in communication therewith on the outer wall, the gas delivery tube 3 is provided with an inflation assembly at the end away from the air bag 2, the gas delivery tube 3 is provided with a pressure relief tube 4 in communication therewith on the outer wall, and the pressure relief tube 4 is provided with a pressure relief assembly at the end away from the gas delivery tube 3. EMBODIMENT

[0025] As Figs. 1-6As shown, including tracheal tube 1, tracheal tube 1 outer wall set with air bag 2, air bag 2 outer wall is provided with a gas pipe 3, gas pipe 3 away from the air bag 2 one end is provided with inflation assembly, gas pipe 3 outer wall is provided with a pressure relief pipe 4, pressure relief pipe 4 away from the gas pipe 3 one end is provided with pressure relief assembly. Inflation assembly includes gas pipe 3 away from the air bag 2 one end provided with inflation cylinder 5, inflation cylinder 5 bottom end is provided with a gas injection pipe 6, gas injection pipe 6 bottom end and gas pipe 3 communication, inflation cylinder 5 outer wall is provided with symmetrically arranged and connected with the air inlet pipe 7, inflation cylinder 5 is provided with a matching piston 8, the top end of piston 8 is provided with a push rod 9, push rod 9 outer wall set with reset spring 10, piston 8 through reset spring 10 and inflation cylinder 5 is connected, the top end of push rod 9 extends to the outside of inflation cylinder 5 and connected with the pressure block 11. Gas injection pipe 6 is provided with a gas check valve 12. One side of the air inlet pipe 7 is provided with a filter screen 13. The top end of the inflation cylinder 5 is provided with a sliding hole matched with the push rod 9. In use, the tracheal tube 1 is inserted into the human trachea, and then the personnel press the pressure block 11, the pressure block 11 drives the piston 8 to move through the push rod 9, the piston 8 delivers the gas to the air bag 2 through the cooperation of the gas injection pipe 6 and the gas pipe 3, so that the air bag 2 is inflated and contacted with the inner wall of the trachea. The gas check valve 12 can prevent the gas in the air bag 2 from flowing back to the inflation cylinder 5, affecting the inflation efficiency. By setting the inflation assembly, the personnel can inflate the air bag at any time, prevent the air bag gas from flowing out, cause the gap between the tracheal wall and the air bag to become larger, cause air leakage or misabsorption of secretions, and use more flexible and convenient. Embodiment

[0026] As Figs. 1-6As shown, including tracheal tube 1, tracheal tube 1 outer wall is sleeved with air bag 2, air bag 2 outer wall is provided with gas pipe 3 communicated therewith, the end away from air bag 2 of gas pipe 3 is provided with inflation assembly, the outer wall of gas pipe 3 is provided with pressure relief pipe 4 communicated therewith, the end away from gas pipe 3 of pressure relief pipe 4 is provided with pressure relief assembly. The pressure relief assembly comprises a pressure relief cylinder 14 provided at the end away from the gas pipe 3 of the pressure relief pipe 4 and communicated therewith, the outer wall of the pressure relief cylinder 14 is provided with a pair of symmetrically arranged and communicated gas outlet pipes 15, the inner bottom end of the pressure relief cylinder 14 is provided with a piston II 16 matched therewith, and the top end of the piston II 16 is connected with the pressure relief cylinder 14 through a reset spring II 17. The side of the gas outlet pipe 15 is provided with a filter screen II 18 matched therewith. During inflation, when the gas in the air bag 2 is excessive, the gas in the air bag 2 will extrude the piston II 16 through the pressure relief pipe 4, the piston II 16 is extruded to move upward and compress the reset spring II 17, when the piston II 16 moves upward beyond the gas outlet pipe 15, the gas in the air bag 2 will be discharged through the gas outlet pipe 15, when the pressure in the air bag 2 decreases, the reset spring II 17 resets to drive the piston II 16 to move downward to block the lower end port of the pressure relief cylinder. By setting the pressure relief assembly, when the gas in the air bag is excessive, the gas can be automatically discharged to prevent the air bag from overexpanding and pressing the inner wall of the trachea, further improving the safety.

[0027] In actual application, the tracheal tube 1 is inserted into the trachea of the human body, then the person presses the pressing block 11, the pressing block 11 drives the piston I 8 to move through the push rod 9, the piston I 8 cooperates with the gas injection pipe 6 and the gas pipe 3 to deliver the gas to the air bag 2, so that the air bag 2 is inflated and in contact with the inner wall of the trachea, wherein the one-way valve 12 can prevent the gas in the air bag 2 from flowing back to the inflation cylinder 5, affecting the inflation efficiency. By setting the inflation assembly, the person can inflate the air bag at any time, preventing the gas from flowing out of the air bag to cause the gap between the inner wall of the trachea and the air bag to become larger, causing air leakage or aspiration of secretions, and using more flexible and convenient; during inflation, when the gas in the air bag 2 is excessive, the gas in the air bag 2 will extrude the piston II 16 through the pressure relief pipe 4, the piston II 16 is extruded to move upward and compress the reset spring II 17, when the piston II 16 moves upward beyond the gas outlet pipe 15, the gas in the air bag 2 will be discharged through the gas outlet pipe 15, when the pressure in the air bag 2 decreases, the reset spring II 17 resets to drive the piston II 16 to move downward to block the lower end port of the pressure relief cylinder. By setting the pressure relief assembly, when the gas in the air bag is excessive, the gas can be automatically discharged to prevent the air bag from overexpanding and pressing the inner wall of the trachea, further improving the safety.

[0028] In summary, by means of the above technical scheme of the utility model, the air bag can be inflated at any time by the inflation assembly, air leakage or secretion suction caused by the gap between the air tube inner wall and the air bag becoming larger due to air flow out of the air bag is prevented, use is more flexible and convenient, the pressure relief assembly can automatically exhaust when the air in the air bag is excessive, air tube inner wall compression caused by excessive expansion of the air bag is prevented, and safety is further improved.

[0029] The above merely describes preferred embodiments of the utility model and is not intended to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An auto-venting tracheal cannula device, comprising: The utility model provides a tracheal cannula, the tracheal cannula (1) outer wall is sleeved with air bag (2), the air bag (2) outer wall is equipped with the gas pipe (3) that communicates with it, the gas pipe (3) is equipped with the inflation assembly away from the air bag (2) one end, the gas pipe (3) outer wall is equipped with the pressure relief pipe (4) that communicates with it, the pressure relief pipe (4) is equipped with the pressure relief assembly away from the gas pipe (3) one end, the inflation assembly includes the inflation cylinder (5) that the gas pipe (3) is equipped away from the air bag (2) one end, the inflation cylinder (5) bottom is equipped with the gas injection pipe (6) that communicates with it, the gas injection pipe (6) bottom and the gas pipe (3) communicate, the inflation cylinder (5) outer wall is equipped with the air inlet pipe (7) that is set up symmetry and communicates with it, the inflation cylinder (5) is equipped with the piston one (8) that matches with it, the piston one (8) top is equipped with the push rod (9), the push rod (9) outer wall is sleeved with reset spring one (10), the piston one (8) is connected with the inflation cylinder (5) through reset spring one (10), the push rod (9) top extends to the inflation cylinder (5) outside and is connected with the pressing block (11).

2. An auto-releasing tracheal tube device according to claim 1, wherein, The gas injection pipe (6) is equipped with the gas check valve (12).

3. An auto-releasing tracheal tube device according to claim 1, wherein, The air inlet pipe (7) one side is equipped with the filter screen one (13) that matches with it.

4. An auto-releasing tracheal tube device according to claim 1, wherein, The inflation cylinder (5) top is equipped with the slide hole that matches with the push rod (9).

5. An auto-releasing tracheal tube device according to claim 1, wherein, The pressure relief assembly includes the pressure relief cylinder (14) that the pressure relief pipe (4) is equipped away from the gas pipe (3) one end and communicates with it, the pressure relief cylinder (14) outer wall is equipped with the air outlet pipe (15) that is set up symmetry and communicates with it, the pressure relief cylinder (14) inner bottom is equipped with the piston two (16) that matches with it, the piston two (16) top is connected with the pressure relief cylinder (14) through reset spring two (17).

6. An auto-releasing tracheal tube device according to claim 5, wherein, The air outlet pipe (15) one side is equipped with the filter screen two (18) that matches with it.

Images