WO2023051835A1

WO2023051835A1 - Double-channel gastric tube

Info

Publication number: WO2023051835A1
Application number: PCT/CN2022/127752
Authority: WO
Inventors: 李庆霞
Original assignee: 李庆霞
Priority date: 2021-09-30
Filing date: 2022-10-26
Publication date: 2023-04-06
Also published as: CN216394877U

Abstract

A double-channel gastric tube, comprising: a gastric tube main body (100), the gastric tube main body (100) being provided with a feeding tube (110) and a drainage tube (120), wherein the feeding tube (110) is connected to the drainage tube (120), the feeding tube (110) has a flow-through cross-sectional area greater than that of the drainage tube (120), the feeding tube (110) is placed in the digestive tract and can be collapsed when no food/drink is being delivered through the feeding tube (110), and the feeding tube (110) is filled and expands when food/drink is being delivered through the feeding tube (110); and a tube connector (200) connected to the gastric tube main body (100). The gastric tube main body (100) is placed in the digestive tract; when no food/drink is being delivered through the feeding tube (110), the feeding tube (110) is in a collapsed state at a narrow part in the digestive tract so as to alleviate the pain of a patient during insertion of the gastric tube and during the long-term indwelling of the gastric tube in the digestive tract; and when food/drink is being delivered through the feeding tube (110), the feeding tube (110) is filled and expands so as to facilitate the passage of a liquid diet, and is not easily blocked. The double-channel gastric tube can alleviate the pain during insertion of the gastric tube and during the long-term indwelling of the gastric tube in the digestive tract, and facilitates the passage of a liquid diet and is not easily blocked.

Description

double channel gastric tube

technical field

The present application relates to the technical field of medical equipment, in particular to a dual-channel gastric tube.

Background technique

The gastric tube is inserted through the nostril or oral cavity, passes through the throat, passes through the esophagus, and reaches the stomach. It is mostly used to pump gastric juice, and can also be used to inject liquid and food into the stomach to provide patients with necessary nutrients or medicines. However, the inner diameter of the current gastric tube is relatively small, and the liquid diet made by the patient's family members is easy to block the tube. Repeated tube changes increase the workload of the nursing staff and increase the risk of injury, and increase the cost of use. The cost is high, and from the perspective of the cost of providing nutrition, the cost of long-term application of nutrient solution through gastric tube is much higher than that of the liquid diet made by the patient's family. If the diameter of the gastric tube is increased, it will bring greater pain to the patient when the tube is placed and for a long time, resulting in more incidents such as intubation failure and unplanned extubation.

Contents of the invention

This application aims to solve at least one of the technical problems existing in the prior art. For this reason, the present application proposes a double-channel gastric tube, which can reduce the patient's pain when the tube is placed and when the digestive tract is left for a long time, and is convenient for liquid food to pass through, and is not easy to be blocked.

The dual-channel gastric tube according to the embodiment of the present application includes: a gastric tube main body, the gastric tube main body is provided with a feeding tube and a drainage tube, the feeding tube and the drainage tube are connected, and the feeding tube The cross-sectional area of the flow is larger than the cross-sectional area of the drainage tube. When the feeding tube is not delivering food, the feeding tube can collapse when it is placed in the digestive tract. When the feeding tube is delivering food, the feeding tube is filled and expanded; The joint is connected with the main body of the gastric tube.

According to the double-channel gastric tube described in the embodiment of the present application, it has at least the following beneficial effects: the main body of the gastric tube is placed in the digestive tract, so that when the feeding tube is not delivering food, the feeding tube is in a collapsed state in the narrow part of the digestive tract, so as to reduce the risk of placement. The pain of the patient when the tube is left in the digestive tract for a long time; when the feeding tube transports the food, the feeding tube is filled and expanded, so that the liquid food can pass through easily, and it is not easy to block. The double-channel gastric tube described in the embodiment of the present application can reduce the pain of the patient when the tube is placed and the digestive tract is left for a long time, and it is convenient for the passage of liquid diet and is not easy to be blocked.

According to the double-channel gastric tube described in the embodiment of the present application, the pipe joint is provided with a pulling wire, and the pulling wire is connected to a dental brace, and the dental brace is set on the teeth. When intubating through the mouth, the braces are set on the teeth, and the traction wire is connected to the braces, so that the double-channel gastric tube can be fixed to prevent the dual-channel gastric tube from sliding down. Use braces to improve aesthetics.

The dual-channel gastric tube according to the embodiment of the present application further includes a negative pressure drainage system, the negative pressure drainage system includes a negative pressure tube, the negative pressure tube is connected to the main body of the gastric tube, and the negative pressure tube is set There is a suction part, and the suction part is provided with a suction hole, and the suction hole is used for sucking oral secretions in the throat. The oral secretions in the throat are sucked and drained through the suction hole, and discharged from the negative pressure tube, which can prevent the oral secretions accumulated in the throat of patients with swallowing dysfunction from entering the trachea and causing complications such as pneumonia, and improve the prognosis of patients.

According to the dual-channel gastric tube described in the embodiment of the present application, the suction part is a coiled structure, and the suction part surrounds the main body of the gastric tube to facilitate suction of oral secretions in the throat and improve the effect of suction and drainage. Avoid oral secretions that collect in the throat and enter the airway.

According to the dual-channel gastric tube described in the embodiment of the present application, the negative pressure drainage system further includes a flushing pipeline, and the flushing pipeline is used to deliver liquid to flush the suction part. When the oral secretions in the throat are viscous, the suction hole will be blocked, and the suction part will be flushed through the flushing pipeline, so as to wash away the substances blocked in the suction hole, so as to improve the effect of negative pressure drainage.

According to the double-channel gastric tube described in the embodiment of the present application, the flushing pipeline includes an outer flushing tube and an inner flushing tube, the outer flushing tube is connected to the main body of the gastric tube, and the outer flushing tube is connected to the suction part Compatibly, the outer flushing pipe is provided with a water outlet for cleaning the suction part, and the inner flushing pipe is connected to the suction part. Using the external and internal flushing tubes to flush the outside and inside of the suction part can not only improve the flushing effect, but also clean the beginning of the airway in the throat, reduce the number of pathogens here, and avoid or reduce lung infection.

According to the dual-channel gastric tube described in the embodiment of the present application, the drainage tube, the negative pressure tube, the outer flushing tube, and the inner flushing tube are all provided with guide wires to facilitate the insertion of the dual-channel gastric tube into the digestive tract , to facilitate the negative pressure drainage system into the throat.

According to the dual-channel gastric tube described in the embodiment of the present application, the main body of the gastric tube is covered with a hoop, the hoop is provided with a placement hole and a fixing hole, the placement hole is provided with an opening, and the main body of the gastric tube passes through It is arranged in the placement hole, and the negative pressure drainage system is penetrated in the fixing hole. The feeding tube in the collapsed state can be folded up by being provided with a clamp, so as to prevent the feeding tube from blocking the trachea opening in the collapsed state and avoid suffocation.

According to the double-channel gastric tube described in the embodiment of the present application, the fixing hole includes a first fixing hole and a second fixing hole, the negative pressure tube is passed through the first fixing hole, and the flushing pipeline is passed through the the second fixing hole. By being provided with a plurality of fixing holes, it is convenient to fix the negative pressure pipe and the flushing pipe, which is convenient for operation and improves work efficiency.

Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.

Description of drawings

The above and/or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, wherein:

FIG. 1 is a schematic structural view of a dual-channel gastric tube in an embodiment of the present application;

Fig. 2 is a cross-sectional view of a dual-channel gastric tube according to an embodiment of the present application;

Fig. 3 is a schematic structural view of a dual-channel gastric tube in some embodiments of the present application;

Fig. 4 (a) is a schematic structural view of the drainage tube lumen of the dual-channel gastric tube in the embodiment of the present application located inside the lumen of the feeding tube;

Fig. 4(b) is a structural schematic diagram of the lumen of the drainage tube of the dual-channel gastric tube of the embodiment of the present application being located inside the lumen of the feeding tube;

Figure 4(c) is a schematic structural view of the drainage tube lumen of the dual-channel gastric tube in the embodiment of the present application located outside the lumen of the feeding tube;

Fig. 4(d) is a schematic diagram of the connection structure of the dual-channel gastric tube in the embodiment of the present application, where the feeding tube and the drainage tube are arranged separately;

Fig. 5 is a schematic structural view of a dual-channel gastric tube in some embodiments of the present application;

Fig. 6 is a schematic structural view of a double-channel gastric tube according to some embodiments of the present application.

Explanation of reference signs:

Stomach tube main body 100; feeding tube 110; drainage tube 120; tube joint 200; traction line 210; negative pressure tube 310; suction part 320; suction hole 330; outer flushing tube 340; water outlet hole 350; Clamp 370 ; placement hole 371 ; first fixing hole 372 ; second fixing hole 373 .

Detailed ways

Embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, and are only for explaining the present application, and should not be construed as limiting the present application.

In the description of the present application, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc. indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only In order to facilitate the description of the present application and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.

In the description of the application, several means one or more, and multiple means two or more. Greater than, less than, exceeding, etc. are understood as excluding the original number, and above, below, within, etc. are understood as including the original number. If the description of the first and second is only for the purpose of distinguishing the technical features, it cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features relation.

In the description of this application, unless otherwise clearly defined, words such as setting, installation, and connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in this application in combination with the specific content of the technical solution.

Referring to Figures 1 to 3, the embodiment of the present application provides a dual-channel gastric tube for insertion into the digestive tract through the mouth or nose, so that the end of the dual-channel gastric tube can be inserted into the stomach, duodenum or In the jejunum, it is convenient to transport food, negative pressure drainage or suction observation, etc. Wherein, the double-channel gastric tube includes: a gastric tube main body 100, the gastric tube main body 100 is provided with a feeding tube 110 and a drainage tube 120, the feeding tube 110 and the drainage tube 120 are connected, and the cross-sectional area of the feeding tube 110 is greater than that of the drainage tube 120 Cross-sectional area of the flow, when the feeding tube 110 is not delivering food, the feeding tube 110 can be collapsed when placed in the digestive tract;

Put the gastric tube main body 100 in the digestive tract, so that when the feeding tube 110 is not conveying food, the feeding tube 110 is in a collapsed state in the narrow part of the digestive tract, so as to relieve the pain of the patient when the tube is placed and when the digestive tract is left for a long time; the feeding tube 110 When transporting food, the feeding tube 110 is filled and expanded, so that liquid food can pass through easily, and it is not easy to be blocked. The double-channel gastric tube described in the embodiment of the present application can reduce the pain of the patient when the tube is placed and the digestive tract is left for a long time, and it is convenient for the passage of liquid diet and is not easy to be blocked.

In some embodiments, the feeding tube 110 is made of thin-walled flexible material, so that the feeding tube 110 is easy to collapse, easy to fill and expand, that is, the feeding tube 110 can be in a collapsed or non-collapsed state in a natural state. The drainage tube 120 is made of flexible material, and the tube wall is thickened so that the drainage tube 120 has a certain supporting effect. Of course, the material of the drainage tube 120 can also be changed to have a supporting effect, which is not limited in this application. When the gastric tube main body 100 is placed in the digestive tract, when the feeding tube 110 is not conveying food, the feeding tube 110 is squeezed in the narrow part of the digestive tract and is in a collapsed state, so that the patient can be relieved when the tube is placed and when the digestive tract is left for a long time. pain; when the feeding tube 110 transports food, the feeding tube 110 is filled and expanded, thereby facilitating the passage of liquid food and not being easily blocked. It should be noted that the feeding tube 110 can also be in a collapsed state in a natural state. At this time, the drainage tube 120 is the main support structure, and the gastric tube main body 100 can be conveniently placed into the digestive tract through the drainage tube 120. Since the feeding tube 110 is The collapsed state can reduce the patient's pain during catheterization and long-term indwelling of the digestive tract; when the feeding tube 110 transports food, the feeding tube 110 is filled and expanded, which is convenient for liquid food to pass through, and is not easy to block.

It is conceivable that there may be a distance between the end of the feeding tube 110 away from the tube joint 200 and the end of the drainage tube 120 away from the tube joint 200. One end of the tube joint 200 can be placed in different parts of the digestive tract, so that medical staff can choose different tube placement schemes according to the patient's condition. Of course, the end of the feeding tube 110 away from the tube joint 200 and the end of the drainage tube 120 away from the tube joint 200 may also be arranged flush, which is not limited in this application.

4(a) to (d), in some embodiments, the lumen of the drainage tube 120 is located inside the lumen of the feeding tube 110, and the cross-sectional area of the gastric tube body 100 is reduced at this time, thereby reducing the time and effort of tube placement. The pain of the patient when it is left in the digestive tract for a long time. It should be noted that the lumen of the drainage tube 120 can also be partly located inside the lumen of the feeding tube 110 and partly located outside the lumen of the feeding tube 110, or the lumen of the drainage tube 120 can also be located outside the lumen of the feeding tube 110, or the feeding The tube 110 and the drainage tube 120 are arranged separately and connected by adhesion or connectors, which is not limited in the present application. It is conceivable that the opening of the gastrointestinal end of the feeding tube 110 is set as an inclined opening, which has a certain guiding effect, facilitates the insertion of the gastric tube main body 100 into the stomach, and facilitates the entry of food into the digestive tract, avoiding interference with the side wall of the digestive tract lead to obstruction.

When the dual-channel gastric tube is inserted into the digestive tract through the mouth, the pipe joint 200 is provided with a pulling wire 210 connected to a brace, and the brace is set on the teeth. Set the braces on the teeth, and connect the braces with the traction wire 210, so as to fix the double-channel gastric tube and prevent the dual-channel gastric tube from sliding down. Improve aesthetics. It should be noted that the pulling wire 210 can also be connected with a tongue cover, which is set on the tongue to fix the dual-channel gastric tube so that the inlet end of the dual-channel gastric tube is located in the oral cavity. Of course, the end of the pulling wire 210 can also protrude from the outside of the oral cavity, and be fixed on the patient's face by means of glue or the like. At this time, the pulling wire 210 is connected to the dental pad, and the dental pad is provided with a through hole, and the pulling wire 310 is passed through the through hole. By being provided with a tooth pad, the pulling wire 210 pulls the gastric tube main body 100 to protrude from the through hole so as to facilitate the delivery of food and drink, and at the same time prevents the pulling wire 210 or the gastric tube main body 100 from being bitten off. It is conceivable that the tooth pads can also be arranged on both sides of the patient's mouth, and the mouth of the patient is stretched by the tooth pads. At this time, the traction wire 210 pulls the stomach tube main body 100 to protrude from the mouth, so as to deliver food. Through the above-mentioned structure, the stress-bearing area of the tooth pad can be increased, the soreness caused by the opening of the mouth of the patient can be alleviated, and the patient can be brought comfort. Gastric tube main body 100 can also stretch out to the outside of the oral cavity. At this time, the tooth pads provided will stretch the patient's mouth, and gastric tube main body 100 will protrude through the through holes of the dental pads or beside the dental pads to facilitate the delivery of food and drink. It can also prevent the gastric tube main body 100 from being bitten off, and the gastric tube main body 100 protruding out of the oral cavity is fixed on the face and other parts to avoid sliding. When the gastric tube main body 100 is inserted into the digestive tract through the nasal cavity, the tube joint 200 can be located in the nasal cavity. At this time, the traction wire 210 extends out of the nasal cavity, and the traction wire 210 is fixed on the face and other positions to prevent the gastric tube main body 100 from sliding down. 100 is hidden in the nasal cavity to improve aesthetics. Of course, the gastric tube main body 100 can extend out of the nasal cavity and be fixed by fixing the dual-channel gastric tube exposed outside the nasal cavity to avoid sliding of the dual-channel gastric tube.

5 and 6, in some embodiments, the dual-channel gastric tube further includes a negative pressure drainage system, the negative pressure drainage system includes a negative pressure tube 310, the negative pressure tube 310 is connected to the gastric tube main body 100, and the negative pressure tube 310 is set There is a suction part 320, and the suction part 320 is provided with a suction hole 330, and the suction hole 330 is used for sucking oral secretions in the throat. The oral secretions in the throat are sucked and drained through the suction hole 330 and discharged from the negative pressure tube 310, which can prevent the oral secretions accumulated in the throat of patients with swallowing dysfunction from entering the trachea and causing complications such as pneumonia, which can improve the prognosis of patients . Wherein, the suction part 320 has a coiled structure, and the suction holes 330 are arranged around the suction part 320 to facilitate suction of oral secretions in the throat, improve the drainage effect, and prevent oral secretions from entering the airway after being accumulated in the throat.

Referring to FIG. 5 and FIG. 6 , it is conceivable that the negative pressure drainage system further includes an irrigation pipeline for delivering liquid to rinse the suction part 320 . When the oral secretions in the throat are viscous, the suction hole 330 will be blocked, and the suction part 320 will be flushed through the flushing pipeline, so as to wash away the substances blocked in the suction hole 330, so as to improve the effect of negative pressure drainage . Specifically, the flushing pipeline includes an outer flushing tube 340 and an inner flushing tube 360, the outer flushing tube 340 is connected to the gastric tube main body 100, the outer flushing tube 340 is adapted to the suction part 320, and the outer flushing tube 340 is provided with a vacuum pump for cleaning and suction. The water outlet hole 350 at the part 320, the inner flushing pipe 360 is connected with the suction part 320. Using the outer flushing tube 340 and the inner flushing tube 360 to flush the outside and inside of the suction part 320 can not only improve the flushing effect, but also clean the beginning of the airway in the throat, reduce the number of pathogens here, and avoid or reduce lung infection . It should be noted that the flushing pipe may not be provided with a flushing pipe, or the flushing pipe may only be provided with an outer flushing pipe 340 or an inner flushing pipe 360 , which is not limited in this application. It is easy to understand that the drainage tube, the negative pressure tube, the outer irrigation tube and the inner irrigation tube can all be provided with guide wires. Wherein, the guide wire can be introduced or pulled out according to usage requirements. The hardness of the drainage tube 120, the negative pressure tube 310, the outer irrigation tube 340 and the inner irrigation tube 360 is increased by setting a guide wire, so that the double-channel gastric tube can be inserted into the throat or the digestive tract, so that the negative pressure drainage system Insert in throat or pull out.

5 and 6, in some embodiments, the gastric tube main body 100 is provided with a clamp 370, the clamp 370 is provided with a placement hole 371 and a fixing hole, the placement hole 371 is provided with an opening, and the gastric tube main body 100 is passed through The hole 371 is placed, and the negative pressure drainage system is pierced through the fixing hole. The feeding tube 370 can be arranged to close the feeding tube, preventing the feeding tube 110 from blocking the trachea opening in a collapsed state, avoiding suffocation, and ensuring the safety of the patient. Wherein, the fixing holes include a first fixing hole 372 and a second fixing hole 373 , the negative pressure tube 310 passes through the first fixing hole 372 , and the flushing pipe passes through the second fixing hole 373 . By being provided with a plurality of fixing holes, it is convenient to fix the negative pressure pipe 310 and the flushing pipe, which is convenient for operation and improves work efficiency.

In the description of this specification, references to the terms "one embodiment," "some embodiments," "exemplary embodiments," "example," "specific examples," or "some examples" are intended to mean that the implementation A specific feature, structure, material, or characteristic described by an embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present application. The scope of the application is defined by the claims and their equivalents.

Claims

The double-channel gastric tube is characterized in that it comprises:

Stomach tube main body, the stomach tube body is provided with a feeding tube and a drainage tube, the feeding tube is connected to the drainage tube, the flow cross-sectional area of the feeding tube is larger than the flow cross-sectional area of the drainage tube, so The feeding tube is collapsible in the digestive tract, and when the feeding tube delivers food, the feeding tube fills and expands;

A tube joint is connected with the main body of the gastric tube.
The double-channel gastric tube according to claim 1, characterized in that, the pipe joint is provided with a pulling wire, and the pulling wire is connected with a brace, and the brace is set on the teeth.
The dual-channel gastric tube according to claim 1, further comprising a negative pressure drainage system, the negative pressure drainage system comprising a negative pressure tube, the negative pressure tube is connected to the main body of the gastric tube, and the negative pressure tube is The pressure tube is provided with a suction part, and the suction part is provided with a suction hole, and the suction hole is used for sucking oral secretions in the throat.
The double-channel gastric tube according to claim 3, wherein the suction part is a coiled structure, and the suction part surrounds the main body of the gastric tube.
The dual-channel gastric tube according to claim 3, characterized in that the negative pressure drainage system further comprises a flushing pipeline, and the flushing pipeline is used to transport liquid to flush the suction part.
The dual-channel gastric tube according to claim 5, wherein the flushing pipeline includes an outer flushing tube and an inner flushing tube, the outer flushing tube is connected to the gastric tube main body, and the outer flushing tube is connected to the gastric tube body. The suction part is adapted, the outer flushing pipe is provided with a water outlet for flushing the suction part, and the inner flushing pipe is connected to the suction part.
The double-channel gastric tube according to claim 6, wherein the drainage tube, the negative pressure tube, the outer flushing tube and the inner flushing tube can all be provided with guide wires.
The dual-channel gastric tube according to claim 6, wherein the main body of the gastric tube is covered with a hoop, the hoop is provided with a placement hole and a fixing hole, the placement hole is provided with an opening, and the stomach The tube body is passed through the placing hole, and the negative pressure drainage system is passed through the fixing hole.
The double-channel gastric tube according to claim 8, wherein the fixing hole includes a first fixing hole and a second fixing hole, the negative pressure tube is passed through the first fixing hole, and the flushing pipeline Pass through the second fixing hole.