Balloon nasogastric tube applying silver nano hydrogel coating

Abstract

The utility model belongs to the technical field of stomach tubes, and particularly relates to a balloon nasogastric tube with a silver nano hydrogel coating. Comprising a main tube and a balloon fixedly arranged outside the main tube, the main tube is a hollow hose, the balloon is connected with an inflation tube in a penetrating mode, an inflation valve is arranged on the inflation tube and used for inflating or deflating the balloon, a drainage head is connected to the main tube and used for being connected with a drainage apparatus, and drainage is achieved through the main tube. The utility model provides a sacculus nasogastric tube applying a silver nano hydrogel coating, and solves the problems that in the prior art, after ESD (Electro-Static Discharge) treatment, esophageal stenosis occurs, and targeted expansion and focus treatment cannot be performed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of stomach tube, specifically point to one kind to be applied to silver nanometer hydrogel coating balloon nasogastric tube. BACKGROUND

[0002] Endoscopic mucosal resection (ESD) is a key method for treating early esophageal cancer. However, for more than three-quarters of the esophageal cancer patients, esophageal stenosis will almost occur after ESD treatment. Esophageal stenosis will seriously affect the quality of life of patients, leading to difficulty in swallowing, and even unable to eat. At present, the common methods to prevent esophageal stenosis after ESD include mucosal injection of dexamethasone, autologous skin grafting, etc. However, these methods have their limitations in clinical application, and the actual application range is relatively limited. For example, there are certain contraindications for cancer patients to inject dexamethasone; autologous skin grafting is expensive and complex to produce, etc. SUMMARY

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a kind of application silver nanometer hydrogel coating balloon nasogastric tube, solve the problem of esophageal stenosis after ESD treatment in prior art, cannot be targeted for esophageal dilatation, and wound ulcer treatment.

[0004] The technical scheme adopted by the utility model is as follows: the utility model provides application silver nanometer hydrogel coating balloon nasogastric tube, including main pipe and the balloon that is fixed in the outside of main pipe, the main pipe is hollow hose, the balloon is connected with inflation pipe, the inflation pipe is equipped with inflation valve, is used for the inflation or deflation of balloon, the main pipe is connected with drainage head, is used for connecting drainage device, realizes drainage by main pipe.

[0005] Further, the balloon is provided with a through channel in the center, the main pipe passes through the channel, the internal space of the balloon and the internal space of the main pipe are not communicated, the inflation pipe penetrates into the internal space of the main pipe, the end of the inflation pipe is a communication section, the communication section penetrates out of the main pipe and communicates with the balloon.

[0006] When the balloon is inflated or deflated, the gas will not enter the main pipe.

[0007] When drainage, drainage liquid is discharged through the main pipe, and will not enter the inflation pipe and the balloon.

[0008] Further, the bottom of the main pipe is provided with a plurality of side holes opposite to each other, to assist drainage.

[0009] Further, the balloon is provided with a nanosilver coating on the outside, which has antibacterial activity, low cytotoxicity, sustained antibacterial effect and mucosa repair promoting function, can promote mucosa repair, and accelerate mucosa repair after use.

[0010] The beneficial effects achieved by the utility model are as follows: the utility model provides a gastric tube with a balloon, which has an anti-inflammatory and repair-promoting coating material on the surface, prevents and treats excessive scar formation on the wound surface after the operation to cause lumen stenosis, promotes early repair of the esophageal mucosa, effectively resists common bacteria by coating a nano-silver ion coating and using the antibacterial and disinfecting effect of silver ions, promotes mucosal repair, promotes wound healing, improves immunity, and the like. The overall scheme solves the problems of esophageal stenosis after ESD treatment, inability to perform targeted expansion, and lesion treatment in the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a whole structure schematic diagram of the utility model;

[0012] Figure 2 It is a balloon connection diagram in embodiment one;

[0013] Figure 3 It is a balloon connection diagram in embodiment two;

[0014] Figure 4 It is a comparison diagram of endoscopic examination of the wound in the test.

[0015] 1, main pipe; 2, balloon; 3, inflation pipe; 4, inflation valve; 5, drainage head; 6, side hole

[0016] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation on the utility model. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments; based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0018] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0019] As Figure 1The utility model provides a silver nanometer hydrogel coating balloon nasogastric tube, including main pipe 1 and fixedly arranged balloon 2 outside main pipe 1, main pipe 1 is hollow hose, balloon 2 is connected through and fills air pipe 3, be equipped with inflation valve 4 on air pipe 3, be used for the inflation or deflation of balloon 2, the drainage head 5 of main pipe 1 is connected, is used for connecting drainage device, realizes drainage through main pipe 1.

[0020] The bottom of the main pipe 1 is provided with a plurality of side holes 6 opposite to each other, which assists in drainage.

[0021] The balloon 2 is externally provided with a nanosilver coating, which has antibacterial activity, low cytotoxicity, sustained antibacterial effect and mucosa repair promoting function, can promote mucosa repair, and accelerate mucosa repair after use.

[0022] In one embodiment, the main pipe 1 has a length of 90-100 cm, and the balloon 2 has a length of 12 cm. The main pipe is long enough, and the position of the balloon 2 can be moved up and down according to the position of the lesion. The balloon 2 is made of medical silica gel material and can be expanded to a diameter of 2-2.5 cm.

[0023] For example, Figure 2 In embodiment one, the balloon 2 is provided with a through channel in the center, the main pipe 1 passes through the channel, the internal space of the balloon 2 and the internal space of the main pipe 1 are not connected, the inflation pipe 3 penetrates into the internal space of the main pipe 1, the end of the inflation pipe 3 is a communication section, the communication section penetrates out of the main pipe 1 and communicates with the balloon 2.

[0024] For example, Figure 3 In embodiment two, the balloon 2 is provided with a through channel in the center, the main pipe 1 passes through the channel, the internal space of the balloon 2 and the internal space of the main pipe 1 are not connected, the inflation pipe 3 is fixedly arranged outside the main pipe 1, and the inflation pipe 3 communicates with the balloon 2.

[0025] When the balloon 2 is inflated or deflated, the inflation pipe 3 enters the balloon 2, and the gas does not enter the main pipe 1.

[0026] When drainage is performed, the drainage liquid is discharged through the main pipe 1 and does not enter the inflation pipe 3 and the balloon 2.

[0027] The beneficial effects of the utility model are further illustrated by the following tests.

[0028] Inclusion population: patients with early esophageal cancer treated by esophageal ESD, and the endoscopic resection range is 3 / 4 weeks to full circle resection.

[0029] Exclusion population: patients with early esophageal cancer treated by ESD, but the endoscopic resection range is less than 3 / 4 weeks.

[0030] The patients are randomly divided into three groups, and the tube time of each group of patients is 1 month.

[0031] Group A (control group): using conventional balloon-free gastric tube (this group data uses previous retrospective data);

[0032] Group B (experimental group 1): using uncoated balloon gastric tube;

[0033] Group C (experimental group 2): using nano-silver hydrogel coated balloon gastric tube.

[0034] Gastric tube placement method:

[0035] Group A: gastric tube was placed into the stomach by conventional method;

[0036] Group B: according to the depth of lesion resection, the balloon gastric tube was placed at the specified depth, the balloon was inflated to adhere to the wound surface, and the inflation degree was controlled within the patient's tolerance range;

[0037] Group C: the same as group B, but using nano-silver hydrogel coated balloon gastric tube.

[0038] Observation time points:

[0039] All patients were evaluated at the following time points: immediately after surgery, 1 month after surgery, and 6 months after surgery.

[0040] The results of the study, as shown in Figure 4 :

[0041] 1. Stricture degree evaluation

[0042] Group A: (conventional balloon-free gastric tube)

[0043] 6 months after surgery: all patients developed severe stenosis;

[0044] Endoscopy: ordinary gastroscope cannot pass through the stenosis;

[0045] Dietary status: only liquid diet.

[0046] Group B: (uncoated balloon gastric tube)

[0047] 6 months after surgery: the degree of stenosis was significantly reduced compared with group A;

[0048] Endoscopy: some patients have resistance when ordinary gastroscope passes through, but super-thin gastroscope can pass through;

[0049] Dietary status: liquid and semi-liquid diet; some patients have resistance when eating solid food (such as beef).

[0050] Group C: (nano-silver hydrogel coated balloon gastric tube)

[0051] 6 months after surgery: the degree of stenosis was the lightest;

[0052] Endoscopy: normal gastroscopy passed smoothly;

[0053] Dietary status: the patient can eat normally, no significant restrictions.

[0054] 2. Wound healing assessment

[0055] Group A:

[0056] 1 month after surgery: endoscopy showed that the wound ulcer was not completely healed, and there were still ulcers and white fur.

[0057] Group B:

[0058] 1 month after surgery: endoscopy showed that the wound ulcer was basically healed, and the surrounding mucosa was congestive red.

[0059] Group C:

[0060] 1 month after surgery: endoscopy showed that the wound had completely healed.

[0061] Conclusion

[0062] By using the balloon-equipped gastric tube in this scheme, combined with the use of nano-silver ion coating, the problem of esophageal and wound ulcer can be significantly improved.

[0063] It should be noted that in this text, relational terms such as first and second are used merely to distinguish one entity or action from another entity or action, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements includes not only those elements, but also other elements not explicitly listed or inherent to such a process, method, article or equipment.

[0064] Although embodiments of the present application have been shown and described, it will be understood by those having ordinary skill in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

[0065] The above describes the present application and its embodiments, which are not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired by it, without departing from the creative spirit of the present application, without creative design, similar structure and embodiments of the technical scheme should belong to the protection scope of the present application.

Claims

1. A silver nanohydrogel coated balloon nasogastric tube for use, characterized in that, The application relates to a drainage device, which comprises a main pipe and a balloon fixed outside the main pipe, the main pipe is a hollow hose, the balloon is connected with an inflation pipe, the inflation pipe is provided with an inflation valve for inflating or deflating the balloon, and a drainage head is connected to the main pipe for connecting a drainage device.

2. The silver nanohydrogel coated balloon nasogastric tube according to claim 1, wherein, A through channel is arranged in the center of the balloon, the main pipe passes through the channel, the inner space of the balloon and the inner space of the main pipe are not communicated, the inflation pipe penetrates into the inner space of the main pipe, the end of the inflation pipe is a communicating section, the communicating section penetrates out of the main pipe and communicates with the balloon.

3. The silver nanohydrogel coated balloon nasogastric tube according to claim 2, wherein, A nano-silver particle coating is arranged outside the balloon.

4. The silver nanohydrogel coated balloon nasogastric tube according to claim 2, wherein, A plurality of side holes are arranged on the bottom of the main pipe.

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