CN218685611U - Double-layer sac tracheal catheter with medicine injection flow channel - Google Patents

Abstract

The utility model provides a double-deck bag endotracheal tube with injection runner, including the sleeve pipe body, it has injection runner and inflation runner to construct in the pipe wall of sleeve pipe body, be equipped with the gasbag on the sleeve pipe body, the gasbag with inflation runner intercommunication, the outside of gasbag still is equipped with the slow-release bag, the slow-release bag with form the slowly-releasing chamber between the gasbag, the one end of injection runner with slowly-releasing chamber intercommunication, the other end and the storage bag intercommunication of injection runner, the liquid medicine in the storage bag can be forced into in the slowly-releasing chamber and via the bag wall of slow-release bag oozes to its outside. The utility model discloses a double-deck bag endotracheal tube can control the release rate of the thing of dosing through the slow-release action of slow-release bag to reach slowly, evenly, continuously dose, can put into at the pipe and alleviate the pipe to tracheal amazing, greatly reduced patient's stress response until the tube drawing in-process.

Description

Double-layer sac tracheal catheter with medicine injection flow channel

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to double-deck bag endotracheal tube with injection runner.

Background

The tracheal catheter is an indispensable product for anesthesia, emergency treatment and intensive care, the existing tracheal catheter has very large stimulation to a patient, particularly, when the tracheal catheter is placed in and pulled out, severe stress response of the patient is often caused, the stimulation to the patient is reduced by a mode of smearing local anesthetic on the surface of an air bag of the tracheal catheter in common clinical use, however, after the tracheal catheter is placed in a trachea, the local anesthetic cannot be smeared again, the tracheal catheter needs to be kept in the trachea of the patient for a long time, the drug effect of the local anesthetic smeared in advance gradually disappears, and during the tube pulling, the severe stress response of the patient is caused by the severe stimulation, so that the safety of the patient is endangered. In addition, for some patients, after the tracheal catheter is placed, some specific drugs, such as vasoactive drugs, hormones, antibiotics and the like, can be administered through the tracheal catheter, and sometimes slow administration is needed to stabilize the blood concentration of the patients, and most of the existing tracheal catheters cannot meet the requirement. Although there are some patent publications on the administration type tracheal catheter, these patent only implement the mode of opening on the wall of the tube or opening on the wall of the sac, and the function of the medicine adding hole is only used for releasing the medicine liquid, and can not achieve the requirements of slow, uniform and continuous administration.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model is to provide a double-deck bag endotracheal tube, the slow-release action that can pass through the slow-release bag controls the release rate of the thing of dosing to reach slowly, evenly, continuously dose, can put into at the pipe and alleviate the pipe to tracheal stimulation, greatly reduced patient's stress response until the extubation in-process.

In order to solve the above problems, the utility model provides a double-layer bag tracheal catheter, including the sleeve pipe body, it has injection runner and inflation runner to construct in the pipe wall of sleeve pipe body, be equipped with the gasbag on the sleeve pipe body, the gasbag with inflation runner intercommunication, the outside of gasbag still is equipped with the slow-release bag, the slow-release bag with form the slowly-releasing chamber between the gasbag, the one end of injection runner with slowly-releasing chamber intercommunication, the other end of injection runner with store up the medicine bag intercommunication, the liquid medicine in the store up medicine bag can be forced into in the slowly-releasing chamber and ooze to its outside via the bag wall of slow-release bag; the medicine storage bag (4) is provided with a medicine injection port (41).

Preferably, the medicine storage bag is made of an elastic material, so that the medicine liquid in the medicine storage bag is forced into the slow release cavity by utilizing the elastic retraction of the medicine storage bag.

Preferably, the medicine storage bag is communicated with the medicine injection flow channel through a medicine injection pipe, and the medicine injection pipe is a flexible pipe.

Preferably, the medicine injection tube is detachably connected with the medicine injection flow channel.

Preferably, a check valve is arranged in the medicine injection port.

Preferably, the inner wall of the pipe of the casing body is rounded.

The utility model provides a pair of double-deck bag endotracheal tube, after putting into, can before the patient pulls out the pipe with the clear-headed tape time to input the liquid medicine in the slowly-releasing bag, and then the effect through the slowly-releasing bag makes the liquid medicine slow, even, last ooze to the outer trachea mucosa of bag wall through slowly-releasing bag wall, alleviates the pipe to tracheal amazing, greatly reduced patient's stress response, can also pass through simultaneously at the in-process of treating the disease store up the medicine bag with the combined action of slowly-releasing bag gives specific medicines such as vasoactive medicine, hormone, antibiotic, in addition, the utility model discloses still be applicable to some needs and slowly dose so that the steady condition of patient blood concentration.

Drawings

Fig. 1 is a schematic structural view of a double-balloon endotracheal tube according to an embodiment of the present invention.

The reference numerals are represented as:

1. a sleeve body; 11. a medicine injection flow passage; 12. an inflation channel; 2. an air bag; 3. a slow release capsule; 31. a sustained release chamber; 4. a medicine storage bag; 41. a medicine injection port; 42. a medicine injection tube; 5. an inflation inlet; 51. an inflation tube.

Detailed Description

Referring to fig. 1, according to the embodiment of the present invention, a double-layer balloon endotracheal tube is provided, including a sleeve body 1, a drug injection channel 11 and an inflation channel 12 are configured in the tube wall of the sleeve body 1, an air bag 2 is provided on the sleeve body 1, the air bag 2 is communicated with the inflation channel 12, a slow release balloon 3 is further provided outside the air bag 2, a slow release cavity 31 is formed between the slow release balloon 3 and the air bag 2, one end of the drug injection channel 11 is communicated with the slow release cavity 31, the other end of the drug injection channel 11 is communicated with a drug storage balloon 4, the liquid drug in the drug storage balloon 4 can be forced into the slow release cavity 31 and oozed out to the outside thereof through the balloon wall of the slow release balloon 3. The utility model discloses a double-deck bag endotracheal tube is put into the aspect at the sleeve pipe and is cut the sleeve pipe with current trachea in the aspect of putting into, after putting into, can before the patient pulls out the pipe with clear-headed area when managing to input the liquid medicine in the slowly-releasing bag, and then the effect through the slowly-releasing bag makes the liquid medicine slow, even, lasting ooze to the outer trachea mucosa of bag wall through the slowly-releasing bag wall, alleviates the pipe to tracheal stimulation, greatly reduced patient's stress response, simultaneously can also pass through the in-process of treating the disease store up medicine bag 4 with the combined action of slowly-releasing bag 3 gives specific medicines such as vasoactive medicine, hormone, antibiotic, in addition, the utility model discloses still be applicable to some needs and slowly dose in order to make the steady circumstances of patient blood concentration.

The medicine storage bag 4 is made of an elastic material so as to force the medicine liquid in the medicine storage bag 4 into the slow release cavity 31 by utilizing the elastic retraction of the medicine storage bag 4, and preferably, the medicine storage bag 4 is provided with a medicine injection port 41. At this time, the external medicinal liquid is input into the medicine storage bag 4 through the medicine injection port 41, and due to the elasticity of the medicine storage bag 4, the medicinal liquid in the medicine storage bag 4 is conveyed into the sustained release chamber 31 along the medicine injection tube 42 under the action of the elastic retraction force of the medicine storage bag 4, and then the medicine is slowly, uniformly and continuously seeped out to the tracheal mucosa outside the bag wall through the bag wall of the sustained release bag 3 under the action of the retraction force. The aperture of the permeation hole on the slow release capsule 3 is 1-100nm. It is further noted that the cooperation of the elastic medicine storage bag 4 and the slow release cavity 31 makes the administration thereof more durable and uniform. It is further noted that the cooperation of the elastic medicine storage bag 4 and the slow release bag 3 makes the administration thereof more durable and uniform. Preferably, a check valve is provided in the medicine injection port 41 to prevent backflow of the medicine solution from leaking.

Preferably, the medicine storage bag 3 is made of an elastic material, and specifically, for example, one of silica gel, rubber, latex or nylon can be used, wherein the formable wall thickness of the silica gel is 0.2-0.4mm, the shore softness is 30, the medicine storage bag can be manufactured by injection molding or bonding technology, the elasticity is good, the product performance is stable, the medicine storage bag is transparent, and the medicine storage bag can be beneficial for an operator to observe the liquid medicine condition in the bag; the wall thickness of the formable rubber is 0.5-0.8mm, the Shore softness is 40, the formable rubber can be manufactured by adopting an injection molding or bonding process, the formable rubber has general elasticity, rough appearance and high hardness, most of the formable rubber is white, and the situation of liquid medicine in the bag can not be observed; the formable wall thickness of the latex is 0.2-1mm, the Shore softness is 20-30, the formable latex can be manufactured by adopting an injection molding or bonding process, the formable latex has moderate elasticity, the appearance is not fine and smooth enough, the formable latex is semitransparent, and the forming effect is not good; the wall thickness of the nylon formable wall is 0.2-0.6mm, the nylon formable wall can be manufactured by adopting a bonding process, the nylon formable wall has poor elasticity and is semitransparent, and therefore, the nylon formable wall is best and visible, and the medicine storage bag 3 is made of silica gel.

The preferred releasable connection between the administration tube 42 and the administration channel 11 is to allow separation of the two when administration is not required therethrough.

The medicine storage bag 4 is communicated with the medicine injection runner 11 through a medicine injection pipe 42, and the medicine injection pipe 42 is a flexible pipe, so that the medicine storage bag 4 can be conveniently selected by medical staff when medicine is fed.

Preferably, the inner wall of the cannula body 1 is smoothly processed, so that the sputum suction tube can be inserted into the cannula.

It can be understood that one end of the inflation channel 12 is communicated with the inner cavity of the airbag 2, and the other end is communicated with the inflation port 5 through the inflation tube 51, and a corresponding check valve is preferably arranged at the inflation port 5 to prevent gas leakage.

As a more preferable embodiment, the periphery of the slow-release capsule 3 can be optionally sleeved with a slow-release administration positioning film sleeve (not shown in the figure), the slow-release administration positioning film sleeve is provided with a through hole, the slow-release administration positioning film sleeve outside the through hole can prevent the liquid medicine in the slow-release capsule 3 from seeping out, and the through hole can allow the liquid medicine in the slow-release capsule 3 to seep out, so that the liquid medicine seepage in the slow-release capsule 3 can be positioned, and the slow-release administration positioning film sleeve is suitable for the situation that continuous administration is required for some punctate lesions.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (5)

1. The double-layer-bag tracheal catheter with the medicine injection flow channel is characterized by comprising a catheter body (1), a medicine injection flow channel (11) and an inflation flow channel (12) are constructed in the catheter wall of the catheter body (1), an air bag (2) is arranged on the catheter body (1), the air bag (2) is communicated with the inflation flow channel (12), a slow-release bag (3) is further arranged on the outer side of the air bag (2), a slow-release cavity (31) is formed between the slow-release bag (3) and the air bag (2), one end of the medicine injection flow channel (11) is communicated with the slow-release cavity (31), the other end of the medicine injection flow channel (11) is communicated with a medicine storage bag (4), and medicine liquid in the medicine storage bag (4) can be forced into the slow-release cavity (31) and seeps out to the outer side of the slow-release bag (3) through the bag wall; the medicine storage bag (4) is provided with a medicine injection port (41);

the medicine storage bag (4) is communicated with the medicine injection flow channel (11) through a medicine injection pipe (42), and the medicine injection pipe (42) is a flexible pipe.

2. The double-balloon endotracheal tube according to claim 1, characterized in that the drug storage balloon (4) is made of an elastic material so as to force the drug solution therein into the slow release chamber (31) by utilizing the elastic retraction of the drug storage balloon (4) itself.

3. The double-balloon endotracheal tube according to claim 1, characterized in that the drug-injection tube (42) is detachably connected to the drug-injection flow channel (11).

4. The double-balloon endotracheal tube according to claim 1, characterized in that a check valve is provided in the drug injection port (41).

5. The double-balloon endotracheal tube according to claim 1, characterized in that the inner wall of the tube of the sleeve body (1) is rounded.

Images