Gastrostomy tube
By installing a controllable balloon and air tube in the gastrostomy tube, the problems of slippage and dislodgement of the gastrostomy tube are solved, achieving stable insertion and convenient use, and reducing the risk of accidental tube dislodgement.
Patent Information
- Application Number
- CN202422353857.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-26
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-09-26
AI Technical Summary
Existing gastrostomy tubes are prone to slipping out or dislodging during use, and the traditional mushroom-shaped end design leads to one-way insertion of the tube, requiring frequent replacement or accidental dislodgement, which can cause the stoma to close.
A gastrostomy tube was designed, which contains an air bladder and an air delivery tube. The air bladder is inflated into a mushroom shape by a control button and fixed to the stomach wall. A one-way valve and a detection device are set to prevent air leakage. Scale lines assist in insertion and ensure that the tube is stable in the body.
It achieves stable insertion and fixation of the gastrostomy tube, reduces the risk of slippage and dislodgement, improves the convenience and safety of use, and reduces the likelihood of stoma closure due to accidental dislodgement.
Smart Images

Figure CN223696559U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of medical devices, and more specifically, to a gastrostomy tube. Background Technology
[0002] Gastrostomy is the preferred method for patients who cannot eat orally but require long-term nutrition, and it has been recommended by the American Gastroenterological Association. Current insertion methods include surgery, laparoscopy, fluoroscopy, and endoscopy. The first two are more invasive, and fluoroscopy involves more X-ray exposure, so endoscopic gastrostomy is the preferred method. Some top-tier hospitals in China have implemented this technique, but because it is not widely available, the need for long-distance travel (because local hospitals do not offer the technique) to other hospitals for tube replacement has been a persistent problem for patients. This includes cases where the stoma tube has dislodged due to external force. The inability to quickly reach a hospital capable of performing this technique leads to stoma closure.
[0003] Gastrostomy is frequently performed in clinical surgery, but currently there are two types of stoma tubes in use, both of which have drawbacks. One type has a straight tip inside the stomach, which is easy to insert but also prone to slipping out. The other type has a mushroom-shaped tip inside the stomach, but in current technology, the "mushroom tip" of the stoma tube allows only unidirectional entry, from the mouth to the stomach. After the initial placement, patients with limited mobility or even complete immobility need to return to the hospital where the tube was placed to have it replaced if the tube exceeds its service life or is accidentally dislodged. This is undoubtedly fraught with difficulties and can easily lead to closure of the stoma (after accidental dislodgment).
[0004] Therefore, how to adjust the "mushroom head" of the stoma tube to pass through the formed sinus tract from the abdominal wall and then fix it to the stomach wall is a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content
[0005] The summary section of this application is intended to provide a brief overview of the concepts, which will be described in detail in the detailed description section below. This summary section is not intended to identify key or essential features of the claimed technical solutions, nor is it intended to limit the scope of the claimed technical solutions.
[0006] To address the technical problems mentioned in the background section above, some embodiments of this application provide a gastrostomy tube, comprising:
[0007] The tube body has an airbag at one end;
[0008] The tube body is equipped with a gastric tube and an air tube. One end of the gastric tube and the air tube extends out of the tube body away from the end of the balloon, while the other end of the gastric tube is flush with one end of the tube body. The air tube is connected to the balloon.
[0009] The end of the air guide tube away from the air bag is provided with a control button for controlling the air bag to extend out of the tube body.
[0010] When the tube body is inserted into the human body, the control button is driven to input gas, so that the air bag is inflated and has a mushroom head shape, thereby preventing the tube body from sliding out of the human body. The air bag is installed in the opening, and the air bag cannot extend out of the tube body, so that the tube body has a straight head shape when it is inserted into the human body, thereby facilitating insertion.
[0011] Further, the air guide tube and the air bag are both two and are respectively located on two sides of the tube body.
[0012] Further, a first one-way valve is installed on the inner diameter of the air guide tube, a first through hole is formed on the outer diameter of the air guide tube and communicates with the inner diameter of the air guide tube, an accommodating cavity is formed on the air guide tube and communicates with the first through hole, a second one-way valve is located in the accommodating cavity, the air guide tube and the air bag are communicated through a connecting tube, one end of the connecting tube is inserted into the first through hole and communicates with the first through hole.
[0013] Further, the first one-way valve comprises:
[0014] a partition plate fixedly installed on the inner diameter of the air guide tube, and a second through hole is formed on the partition plate;
[0015] a first movable rod slidingly connected in the second through hole;
[0016] a first baffle fixedly provided on one end of the first movable rod.
[0017] Further, the second one-way valve comprises:
[0018] a second movable rod slidingly connected in the first through hole;
[0019] a second baffle fixedly provided on the second movable rod and located in the accommodating cavity.
[0020] Further, an opening is formed on the tube body for installing the air bag.
[0021] Further, the air guide tube is provided with a detection member for detecting whether the air bag has a gas leakage.
[0022] Further, a scale line is provided on the tube body.
[0023] The beneficial effects of the present application are to provide a gastric fistula tube which is easy to put into the stomach and not easy to slide out. BRIEF DESCRIPTION OF DRAWINGS
[0024] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The drawings illustrate embodiments of the present application and, together with the description, serve to explain the principles of the present application.
[0025] In addition, throughout the drawings, same or similar reference numerals are used to designate same or similar elements. It should be understood that the drawings are schematic and elements and features are not necessarily to scale.
[0026] In the drawings:
[0027] Figure 1 is a schematic view of the entire embodiment according to the present application;
[0028] Figure 2 is a sectional view of the embodiment;
[0029] Figure 3 is an enlarged view of A of Figure 2
[0030] Reference numerals:
[0031] 1, tube body; 2, air bag; 3, gastric tube; 4, airway tube; 5, opening; 6, control button; 7, first through hole; 8, accommodating cavity; 9, connecting tube; 10, partition plate; 11, first movable rod; 12, first baffle; 13, second through hole; 14, second movable rod; 15, second baffle; 16, detection piece; 17, scale line. DETAILED DESCRIPTION
[0032] Embodiments of the present disclosure will be described in more detail by referring to the drawings. Although certain embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure can be more thoroughly and completely understood. It should be understood that the drawings and embodiments of the present disclosure are merely for illustrative purposes and are not intended to limit the scope of protection of the present disclosure.
[0033] It should also be noted that, for the convenience of description, only the parts related to the present application are shown in the drawings. The embodiments in the present disclosure and the features in the embodiments can be combined with each other without conflict.
[0034] It should be noted that the terms "first", "second", and the like mentioned in the present disclosure are merely used to distinguish different devices, modules or units, and are not intended to limit the functions of these devices, modules or units or the sequence or interdependence of these functions.
[0035] It should be noted that the terms "one", "multiple" mentioned in the present disclosure are illustrative and not restrictive, and those skilled in the art should understand that, unless otherwise explicitly indicated in the context, it should be understood as "one or more".
[0036] The present disclosure will be described in detail below with reference to the drawings and in conjunction with embodiments.
[0037] Referring to Figures 1-3 , the gastric fistula tube comprises a tube body 1, a gas bag 2, a gastric catheter 3 and a gas guide tube 4; an opening 5 is formed on one end of the tube body 1, the gas bag 2 is installed in the opening 5, the gas bag 2 and the gas guide tube 4 are both two groups, the gastric catheter 3 and the gas guide tube 4 are arranged in the tube body 1, one end of the gastric catheter 3 and the gas guide tube 4 extends out of the tube body 1 away from the gas bag 2, the other end of the gastric catheter 3 is flush with one end of the tube body 1, the gas guide tube 4 is arranged in communication with the gas bag 2, and the gastric catheter 3 is provided with liquid outlet holes at both ends; wherein, a control button 6 for controlling the gas bag 2 to extend out of the tube body 1 is arranged on the end of the gas guide tube 4 away from the gas bag 2, and the control button 6 is used for conveying gas from the outside or a gas conveying device on the outside to the gas bag 2. The specific connection relationship of the tube body 1, the gas bag 2, the gastric catheter 3 and the gas guide tube 4 can refer to the patent with the publication number CN204379957U. When the tube body 1 is inserted into the human body, the control button 6 is driven to input gas, so that the gas bag 2 is inflated and has a mushroom head shape, so that the tube body 1 is not easy to slide out of the human body. The gas bag 2 is installed in the opening 5, so that the gas bag 2 cannot extend out of the tube body 1, so that the tube body 1 has a straight head shape when it enters the human body, thereby facilitating insertion.
[0038] A first one-way valve is installed on the inner diameter of the gas guide tube 4, a first through hole 7 in communication with the inner diameter of the gas guide tube 4 is formed on the outer diameter of the gas guide tube 4, a containing cavity 8 in communication with the first through hole 7 is formed on the gas guide tube 4, a second one-way valve is located in the containing cavity 8, the gas guide tube 4 and the gas bag 2 are communicated through a connecting pipe 9, one end of the connecting pipe 9 is inserted into the first through hole 7 and communicated with the first through hole 7.
[0039] The first one-way valve comprises a partition plate 10, a first movable rod 11 and a first baffle 12; the partition plate 10 is fixedly installed on the inner diameter of the gas guide tube 4, a second through hole 13 is formed on the partition plate 10, the first movable rod 11 is slidingly connected in the second through hole 13, and the first baffle 12 is fixedly arranged on one end of the first movable rod 11.
[0040] The second one-way valve comprises a second movable rod 14 and a second baffle 15; the second movable rod 14 is slidingly connected in the first through hole 7, the second baffle 15 is fixedly arranged on the second movable rod 14, and the second baffle 15 is located in the containing cavity 8.
[0041] The gas guide tube 4 is provided with a detection piece 16 for detecting whether the gas bag 2 has a gas leakage condition. The detection piece 16 is communicated with the gas bag 2 through the gas guide tube 4, when the gas bag 2 in the stomach is deflated due to gas leakage, the patient or the patient's family member can find it in time through the inflation of the detection piece 16, and go to the nearest hospital to inflate the gas bag 2, which can effectively prevent the tube from being pulled out due to the gas leakage of the gas bag 2.
[0042] The tube body 1 is provided with a scale line 17. To assist medical staff to accurately place the tube for the patient.
[0043] The above description is merely exemplary of some preferred embodiments of the present disclosure and technical principles of the present disclosure. It should be understood by those skilled in the art that the scope of the application involved in the embodiments of the present disclosure is not limited to the technical solutions formed by the specific combinations of the above technical features, and should also cover other technical solutions formed by the combinations of the above technical features or equivalent features without departing from the above inventive concept. For example, the above features and technical features with similar functions disclosed in the embodiments of the present disclosure (but not limited to) are replaced with each other to form technical solutions.
Claims
1. A gastrostomy tube, characterized in that: include: The tube body has an airbag at one end; A gastric tube and an air tube are inserted inside the tube body. One end of the gastric tube and the air tube extend out of the tube body away from the end of the air bag, and the other end of the gastric tube is flush with one end of the tube body. The air tube is connected to the air bag. The air duct has a control button on the end away from the airbag for controlling the airbag to extend outside the duct.
2. The gastrostomy tube according to claim 1, characterized in that: There are two airbags and two air tubes, located on both sides of the tube body.
3. The gastrostomy tube according to claim 1, characterized in that: A first one-way valve is installed on the inner diameter of the air guide tube, and a first through hole communicating with the inner diameter of the air guide tube is opened on the outer diameter of the air guide tube. A receiving cavity communicating with the first through hole is opened on the air guide tube, and a second one-way valve is located in the receiving cavity. The air guide tube and the airbag are connected by a connecting tube, and one end of the connecting tube is inserted into the first through hole and communicates with the first through hole.
4. The gastrostomy tube according to claim 3, characterized in that: The first check valve includes: A partition plate is fixedly installed on the inner diameter of the air guide pipe, and a second through hole is provided on the partition plate; The first movable rod is slidably connected within the second through hole; The first baffle is fixedly mounted on one end of the first movable rod.
5. The gastrostomy tube according to claim 3, characterized in that: The second check valve includes: The second movable rod is slidably connected within the first through hole; The second baffle is fixedly mounted on the second movable rod, and the second baffle is located inside the receiving cavity.
6. The gastrostomy tube according to claim 1, characterized in that: The tube body has an opening for installing the airbag.
7. The gastrostomy tube according to claim 1, characterized in that: The air duct is equipped with a detection device for detecting whether the airbag is leaking.
8. The gastrostomy tube according to claim 1, characterized in that: The tube body is provided with graduation lines.
Citation Information
Patent Citations
Sengstaken-blakemore tube
CN204379957U