Implantable tissue fastener for treating gastroesophageal reflux disease

Abstract

The utility model discloses an implantable tissue fastener for treating gastroesophageal reflux diseases. The implantable tissue fastener comprises a fixing ring, a supporting air bag and a positioning net rack, the fixing ring is arranged at the gastric cardia of a patient; the supporting air bag is fixedly arranged on the inner wall of the fixing ring, the two ends of the supporting air bag are distributed on the two sides of the fixing ring, the supporting air bag is in a linear column shape in an uninflated state, and the supporting air bag surrounds the fixing ring in an inflated state; the positioning net frames are arranged at the two ends of the fixing ring, the supporting air bag is wrapped with the positioning net frames, and the positioning net frames are used for positioning the supporting space of the supporting air bag. The guide wire is used for sending the fastening piece to the gastric cardia of a patient, then the supporting air bag is inflated to enable the supporting air bag to be attached to and block the inner side wall and the outer side wall of the gastric cardia of the patient, the gastroesophageal reflux problem can be effectively solved, and the gastroesophageal reflux device has the advantages of being simple in structure and convenient and fast to operate.

Description

Technical Field

[0001] The utility model relates to the field of medical devices, in particular to an implantable tissue fastener for treating gastroesophageal reflux disease. Background Art

[0002] Normally, there is a valve called the cardiac sphincter at the interface between the esophagus and the stomach. The cardiac sphincter acts as a valve. Food passes through the mouth, then the esophagus, and enters the stomach. The peristalsis is like a relay baton. The muscles above contract and the muscles below relax, gradually pushing the food bolus into the stomach after chewing. This is a continuous process. However, in normal people, because of the valve, the food generally does not come back up after it goes down. If the cardiac sphincter relaxes, a part of the food in the stomach will return to the esophagus after eating, which is called gastroesophageal reflux.

[0003] Currently, for the fasteners of gastroesophageal reflux at the gastric cardia, a one-way fixation method is mostly used for plugging, which is likely to cause the fastener to fall off from the gastric cardia, thus unable to treat gastroesophageal reflux disease well, and there are certain defects. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an implantable tissue fastener for treating gastroesophageal reflux disease, so as to achieve the plugging at the patient's gastric cardia and reduce the patient's gastroesophageal reflux.

[0005] To solve the above technical problems, the utility model provides an implantable tissue fastener for treating gastroesophageal reflux disease, which includes a fixing ring, a supporting airbag and a positioning grid;

[0006] The fixing ring is arranged at the patient's gastric cardia;

[0007] The supporting airbag is fixedly arranged on the inner wall of the fixing ring, and both ends of the supporting airbag are distributed on both sides of the fixing ring. The supporting airbag is in a straight columnar shape in the non-inflated state, and the supporting airbag surrounds the fixing ring in the inflated state;

[0008] The positioning grid is arranged at both ends of the fixing ring, the positioning grid covers the outside of the supporting airbag, and the positioning grid is used to position the supporting space of the supporting airbag.

[0009] Furthermore, it further includes a guide wire, the guide wire is connected with the supporting airbag, and the guide wire is used to convey the supporting airbag to the patient's gastric cardia and inflate the supporting airbag.

[0010] Furthermore, both ends of the fixing ring have a rounded corner structure.

[0011] Further, when the support airbag is in an uninflated state, the positioning wire frame is flush with the outer side wall of the fixing ring.

[0012] Further, when the support airbag is in an uninflated state, the end of the positioning wire frame away from the fixing ring is arranged in an arc shape.

[0013] Further, when the support airbag is inflated to the maximum state, the positioning wire frame fits and is in close contact with the inner and outer side walls of the patient's gastric cardia.

[0014] Further, the portions of the support airbag located at both ends of the fixing ring are symmetrically distributed.

[0015] Further, a treatment drug layer is fixedly arranged on the outer circumferential surface of the fixing ring, and the treatment drug layer is in contact with and fits against the inner wall of the patient's gastric cardia.

[0016] Compared with the prior art, the present utility model has at least the following beneficial effects:

[0017] The present utility model uses a guide wire to send a fastener to the patient's gastric cardia, and then inflates the support airbag, so that the support airbag fits and seals the inner and outer side walls of the patient's gastric cardia, which can effectively solve the problem of gastroesophageal reflux, and has the characteristics of simple structure and convenient operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of the contracted state of the implantable tissue fastener for treating gastroesophageal reflux disease of the present utility model;

[0019] Figure 2 is a schematic structural diagram of the supported state of the implantable tissue fastener for treating gastroesophageal reflux disease of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The implantable tissue fastener for treating gastroesophageal reflux disease of the present utility model will be described in more detail below with reference to the schematic diagrams, in which the preferred embodiments of the present utility model are shown. It should be understood that those skilled in the art can modify the present utility model described herein while still achieving the beneficial effects of the present utility model. Therefore, the following description should be understood as a broad guidance for those skilled in the art and not as a limitation to the present utility model.

[0021] In the following paragraphs, the present utility model will be described more specifically by way of example with reference to the drawings. The advantages and features of the present utility model will be clearer according to the following description. It should be noted that the drawings are all in a very simplified form and use non-precise scales, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present utility model.

[0022] As Figure 1and Figure 2 As shown, the embodiment of the utility model provides an implantable tissue fastener for treating gastroesophageal reflux disease, comprising a fixing ring 1, a supporting airbag 2 and a positioning grid 3.

[0023] Specifically, the fixing ring 1 is used to be arranged at the gastric cardia of the patient.

[0024] The support airbag 2 is fixedly arranged on the inner wall of the fixing ring 1, and the two ends of the support airbag 2 are distributed on both sides of the fixing ring 1. The support airbag 2 is in a straight column shape when not inflated, and surrounds the fixing ring 1 when inflated;

[0025] The positioning grid 3 is arranged at both ends of the fixing ring 1 , and the positioning grid 3 covers the outside of the supporting airbag 2 . The positioning grid 3 is used to position the supporting space of the supporting airbag 2 .

[0026] In this embodiment, when the fastener reaches the patient's gastric cardia, the fixing ring 1 is located at the patient's gastric cardia, and then the support airbag 2 is inflated. The part of the support airbag 2 that contacts the inside of the fixing ring 1 cannot expand due to the limitation of the fixing ring 1, while the support airbags 2 located on both sides of the fixing ring 1 are expanded under the action of air pressure and closely fit with the inner and outer walls of the patient's gastric cardia, completing the fixation of the support airbag 2. At the same time, the support airbag 2 blocks the patient's gastric cardia, which can effectively treat the patient's gastroesophageal reflux disease.

[0027] Among them, the positioning grid 3 can be positioned when the support balloon 2 is in a contracted state and a supported state, ensuring that the support balloon 2 smoothly enters the patient's gastric cardia and blocks the patient's gastric cardia, thereby treating the patient's gastroesophageal reflux disease.

[0028] In a specific embodiment, a guide wire 4 is further included, and the guide wire 4 is connected to the support airbag 2 . The guide wire 4 is used to transport the support airbag 2 to the gastric cardia of the patient and inflate the support airbag 2 .

[0029] When the fastener is used, the guide wire 4 is used to deliver the support airbag 2 to the patient's gastric cardia, and the fixing ring 1 is located at the patient's gastric cardia. The guide wire 4 is then used to inflate the support airbag 2. After the support airbag 2 is inflated, the support airbags 2 located on both sides of the fixing ring 1 surround the patient's gastric cardia, which on the one hand achieves the occlusion of the gastric cardia, and on the other hand achieves the fixation of the fastener.

[0030] It should be noted that the two ends of the fixing ring 1 have rounded corners. When the fixing ring 1 is inserted into the gastric cardia of the patient, in order to avoid scratches on the patient caused by the sharp edge of the fixing ring 1, the two ends of the fixing ring 1 are provided with rounded corners.

[0031] In addition, one-way air intake is adopted between the guide wire 4 and the support airbag 2, that is, the support airbag 2 is inflated through the guide wire 4. When the support airbag 2 reaches a certain air pressure, the guide wire 4 is separated from the support airbag 2, and at this time, the guide wire 4 can be withdrawn from the body.

[0032] Further, when the support airbag 2 is in an uninflated state, the positioning grid 3 is flush with the outer side wall of the fixing ring 1.

[0033] When the support airbag 2 is in an uninflated state, the end of the positioning grid 3 away from the fixing ring 1 is arranged in an arc shape.

[0034] When the support airbag 2 is inflated to the maximum state, the positioning grid 3 fits and is in close contact with the inner and outer side walls of the patient's gastric cardia.

[0035] Specifically, when the support airbag 2 is in an uninflated state, the positioning grid 3 is flush with the outer side wall of the fixing ring 1. The support airbag 2, the positioning grid 3, and the fixing ring 1 are cylindrical, which is convenient for sending the fastener into the patient's gastric cardia and causes less damage to the inner wall of the patient's intestine and gastric wall.

[0036] In addition, when the support airbag 2 is in an uninflated state, the end of the positioning grid 3 away from the fixing ring 1 is in an arc shape. When the fastener shuttles through the intestine and stomach, it can reduce the friction between the positioning grid 3 and the patient's intestine and gastric wall, thus playing a certain protective role.

[0037] Further, the parts of the support airbag 2 at both ends of the fixing ring 1 are symmetrically distributed.

[0038] Specifically, the support airbags 2 on both sides of the fixing ring 1 are in close contact with the inner and outer side walls of the patient's gastric cardia in the inflated state. The support airbags 2 are symmetric on both sides, which can form a symmetric fixing surface on the inner and outer sides of the patient's gastric cardia. On the one hand, it can complete the occlusion of the patient's gastric cardia, and on the other hand, it can achieve good fixation of the fastener.

[0039] Further, a treatment drug layer 5 is fixedly arranged on the outer circumferential surface of the fixing ring 1, and the treatment drug layer 5 is in close contact with the inner wall of the patient's gastric cardia.

[0040] Specifically, when the fastener reaches the patient's gastric cardia and is fixed, the treatment drug layer 5 on the outer surface of the fixing ring 1 is in direct contact with the patient's gastric cardia, and the medicinal components on the treatment drug layer 5 penetrate to the patient's gastric cardia for treatment, which can accelerate the treatment of the patient's disease.

[0041] It should be noted that the tissue fastener is made of a bio - degradable material, which can automatically degrade after the treatment in the human body, and there is no need to remove the tissue fastener, reducing the pain of the patient.

[0042] Compared with the prior art, the utility model has at least the following beneficial effects:

[0043] The utility model uses a guide wire to send a fastener to the cardia of the patient's stomach, and then inflates the support airbag, so that the support airbag fits and seals the inner and outer side walls of the patient's cardia, which can effectively solve the problem of gastroesophageal reflux, and has the characteristics of simple structure and convenient operation.

[0044] Obviously, those skilled in the art can make various changes and modifications to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model fall within the scope of the claims of the utility model and its equivalent technologies, the utility model is also intended to include these modifications and variations.

Claims

1. An implantable tissue fastener for treating gastroesophageal reflux disease, characterized in that: It includes a fixing ring, a supporting air bag and a positioning grid; The fixing ring is arranged at the gastric cardia of the patient; The support airbag is fixedly arranged on the inner wall of the fixing ring, and the two ends of the support airbag are distributed on both sides of the fixing ring. The support airbag is in a straight column shape when not inflated, and surrounds the fixing ring when inflated; The positioning grid is arranged at both ends of the fixing ring, the positioning grid is covered on the outside of the supporting airbag, and the positioning grid is used to position the supporting space of the supporting airbag.

2. The implantable tissue fastener for treating gastroesophageal reflux disease according to claim 1, wherein: It also includes a guide wire, which is connected to the support airbag. The guide wire is used to transport the support airbag to the gastric cardia of the patient and inflate the support airbag.

3. The implantable tissue fastener for treating gastroesophageal reflux disease according to claim 1, wherein: Both ends of the fixing ring have rounded corners.

4. The implantable tissue fastener for treating gastroesophageal reflux disease according to claim 1, wherein: When the supporting airbag is in an uninflated state, the positioning grid is flush with the outer side wall of the fixing ring.

5. The implantable tissue fastener for treating gastroesophageal reflux disease according to claim 1, wherein: When the supporting airbag is in an uninflated state, one end of the positioning grid away from the fixing ring is configured to be in an arc shape.

6. The implantable tissue fastener for treating gastroesophageal reflux disease according to claim 1, wherein: When the support balloon is inflated to the maximum state, the positioning grid is in close contact with the inner and outer walls of the patient's gastric cardia.

7. The implantable tissue fastener for treating gastroesophageal reflux disease according to claim 1, wherein: The parts of the supporting airbags located at two ends of the fixing ring are symmetrically distributed.

8. The implantable tissue fastener for treating gastroesophageal reflux disease according to claim 1, wherein: A therapeutic drug layer is fixedly arranged on the outer circumferential surface of the fixing ring, and the therapeutic drug layer is in close contact with the inner wall of the patient's gastric cardia.

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