CN114521992A

CN114521992A - Diaphragmatic hernia prevention device

Info

Publication number: CN114521992A
Application number: CN202210170363.4A
Authority: CN
Inventors: 邓欢; 卫勃; 曹博; 徐兴铭; 赵瑞阳; 李航航; 崔昊; 刘贵宾; 宋立强; 高兢望
Original assignee: Chinese PLA General Hospital
Current assignee: Chinese PLA General Hospital
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-05-24

Abstract

The invention relates to the technical field of medical instruments and discloses a diaphragmatic hernia preventing device, which comprises a sheet main body, wherein the sheet main body has a flexible characteristic; the middle of the sheet main body is provided with a through hole which is used for passing through the esophagus, the small intestine or the sleeve stomach; the edge of slice main part is equipped with the fixed part, the fixed part be used for with slice main part is fixed in on the diaphragm. After the device is placed into the body, can effectual prevention diaphragm hernia, reduce diaphragm hernia's incidence, simultaneously, can be effectual in the prevention last alimentary canal operation in-process cut or excise behind the cardia, the postoperative gastroesophageal reflux phenomenon that leads to improves quality of life.

Description

Diaphragmatic hernia prevention device

Technical Field

The invention relates to the technical field of medical instruments, in particular to a diaphragmatic hernia preventing device.

Background

Diaphragmatic hernia is a common serious complication after an upper gastrointestinal tract operation, and is a disease with symptoms of obstruction of the digestive tract and the like caused by the fact that abdominal viscera such as small intestine and the like move upwards to the thoracic cavity through diaphragmatic muscle fissures. Mild symptoms present as chronic obstruction, leading to a reduction in quality of life, and severe symptoms may require emergency surgery. Therefore, there is an urgent need for a diaphragmatic hernia prevention device to prevent a diaphragmatic hernia in time after an upper gastrointestinal operation.

Disclosure of Invention

The purpose of the embodiment of the application is to provide a diaphragmatic hernia prevention device, which can prevent diaphragmatic hernia in time after an upper digestive tract operation.

In order to solve the technical problem, the invention is realized as follows: the embodiment of the invention provides a diaphragmatic hernia preventing device, which comprises a sheet-shaped main body, wherein the sheet-shaped main body has a flexible characteristic; the middle of the sheet main body is provided with a through hole which is used for passing through the esophagus, the small intestine or the sleeve stomach; the edge of slice main part is equipped with the fixed part, the fixed part be used for with slice main part is fixed in on the diaphragm.

Optionally, the sheet-like body is of a split structure; wherein the sheet-shaped main body comprises a first patch and a second patch which are connected with each other, and the first patch and the second patch enclose to form the through hole.

Optionally, one side of the first patch close to the second patch, and one side of the second patch close to the first patch are both provided with a connecting portion, which is used for connecting the first patch with the second patch, and fixing the first patch with the second patch on the diaphragm.

Optionally, the connecting portions are multiple sets of through holes arranged oppositely.

Optionally, the sheet-like body is of unitary construction.

Optionally, the edge portion of the through hole is made of a shrinkable material.

Optionally, the sheet-shaped body is a quadrangle, and the fixing portion is disposed at a vertex of the quadrangle.

Optionally, the sheet-like body is a mesh structure.

Optionally, the mesh diameter of the mesh structure is 0.1mm to 1 cm.

Optionally, the sheet main body is made of polypropylene, the polypropylene surface is coated with a poly tea polyphenol membrane and nano silver particles, and the nano silver particles are adsorbed on the surface of the poly tea polyphenol membrane or in the poly tea polyphenol membrane.

In the embodiment of the invention, after the upper gastrointestinal tract operation is finished, the diaphragmatic hernia prevention device is placed into a body, the esophagus or the small intestine or the sleeve-shaped stomach passes through the through hole on the device, and the device is fixed on the diaphragm, so that the diaphragmatic hernia can be effectively prevented, the incidence rate of the diaphragmatic hernia is reduced, meanwhile, after the device is placed into the body, the postoperative gastroesophageal reflux phenomenon caused by the incision or the excision of the cardia in the upper gastrointestinal tract operation process can be effectively prevented, and the life quality is improved.

Drawings

Fig. 1 is a schematic structural view of a diaphragmatic hernia prevention device according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of another diaphragmatic hernia prevention device provided in an embodiment of the present application;

reference numerals:

1: a sheet-like body; 2: a through hole; 3: a fixed part; 4: a connecting portion; 11: a first patch; 12: a second patch.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

Referring to fig. 1, which shows a schematic structural view of a diaphragmatic hernia prevention device according to an embodiment of the present invention, as shown in fig. 1, the device includes a sheet-shaped body 1, wherein the sheet-shaped body 1 has a flexible feature; the middle of the sheet main body 1 is provided with a through hole 2, and the through hole 2 is used for passing through an esophagus, a small intestine or a sleeve stomach; the edge of the sheet-shaped body 1 is provided with a fixing part 3, and the fixing part 3 is used for fixing the sheet-shaped body 1 on the diaphragm.

In this embodiment, the sheet-like body 1 may be a quadrangle, a circle or an ellipse, and the shape of the sheet-like body is not limited herein. If the sheet-shaped main body 1 is quadrilateral, the size of the sheet-shaped main body can be (3-5) cm X (3-5) cm, if the sheet-shaped main body is circular, the diameter of the sheet-shaped main body can be 3-5cm, and the sheet-shaped main body 1 can be wrapped around the esophagus, the small intestine or the sleeve-shaped stomach to close the diaphragm gap.

Wherein, slice main part 1 has flexible characteristic, and this flexible characteristic can ensure slice main part 1 and put into internal back, with the better laminating of diaphragm, have good biocompatibility with the diaphragm, and be difficult for causing the injury to other positions in vivo. The sheet main body 1 with the flexible feature may be a sheet structure, a net structure, or other structures that can realize the flexible feature. The sheet-like body 1 may be made of polyester, polypropylene, polylactic acid, etc., or biomedical polymer material such as polyether urethane, polytetrafluoroethylene, polyurethane, etc., or other types of materials. For example, the sheet-shaped body 1 may be a net structure made of a polyester material, a net structure made of a polyether urethane material, or a sheet structure made of a polytetrafluoroethylene material, and any manner of achieving the flexible characteristic of the sheet-shaped body 1 may be adopted, which is not limited in the present invention.

The middle of the sheet-shaped main body 1 is provided with a through hole 2, the through hole 2 can be a fusiform opening or a circular opening, and the through hole 2 is used for penetrating through an esophagus, a small intestine or a sleeve-shaped stomach, so that the sheet-shaped main body 1 can wrap the esophagus, the small intestine or the sleeve-shaped stomach to seal a diaphragm gap.

Wherein, the edge of flaky main body 1 is equipped with fixed part 3, and fixed part 3 is used for being fixed in flaky main body 1 on the diaphragm, prevents that flaky main body 1 from drunkenness in vivo, causes the injury to other positions in vivo. The fixing portion 3 may be a through hole, an adhesive point, or other means for fixing the sheet-like body 1 to the diaphragm.

Preferably, the fixing portion 3 is a through hole, and when the fixing portion 3 is a through hole, the through hole may be a through hole with a size of 5mm, a through hole with a size of 4mm, or a through hole with a size of 6mm, and the invention is not limited thereto. The through hole is a needle hole reserved passage, and the sheet-shaped main body 1 is sewn on the diaphragm through the needle hole reserved passage.

In the embodiment of the invention, after the upper gastrointestinal tract operation is finished, the diaphragmatic hernia prevention device is placed into a body, the esophagus, the small intestine or the sleeve-shaped stomach passes through the through hole on the device, and the device is fixed on the diaphragm, so that the diaphragmatic hernia can be effectively prevented, the incidence rate of the diaphragmatic hernia is reduced, meanwhile, after the device is placed into the body, the postoperative gastroesophageal reflux phenomenon caused by the incision or the excision of the cardia in the upper gastrointestinal tract operation process can be effectively prevented, and the life quality is improved.

Further, in some embodiments, as shown in fig. 2, the sheet body 1 is a split structure; wherein, the sheet-shaped main body 1 comprises a first patch 11 and a second patch 12 which are connected with each other, and the first patch 11 and the second patch 12 enclose to form a through hole 2.

Wherein, flaky main part 1 is split type structure, is about to be divided into first patch 11 and second patch 12 along flaky main part 1 along the radial of through-hole 2, and first patch 11 and second patch 12 interconnect form through-hole 2 after first patch 11 and second patch 12 enclose.

It should be noted that the first patch 11 and the second patch 12 may be connected by sewing, snap-fastening, etc., and the present invention is not limited thereto.

In the embodiment of the invention, the sheet-shaped main body 1 adopts a split structure, the sheet-shaped main body 1 is provided with the first patch 11 and the second patch 12 which are connected with each other, the first patch 11 and the second patch 12 are directly connected to form the through hole 2, and the through hole 2 is wrapped around the esophagus, the small intestine or the sleeve-shaped stomach.

In addition, in some embodiments, as shown in fig. 2, the first patch 11 is provided with a connection portion 4 on one side thereof adjacent to the second patch 12, and the second patch 12 is provided with a connection portion 4 on one side thereof adjacent to the first patch 11, the connection portion 4 being used for connecting the first patch 11 and the second patch 12 and fixing the first patch 11 and the second patch 12 to the diaphragm.

The connecting part 4 is arranged on one side, close to the second patch 12, of the first patch 11, the connecting part 4 is also arranged on one side, close to the first patch 11, of the second patch 12, the connecting part 4 is used for connecting the first patch 11 and the second patch 12, the first patch 11 and the second patch 12 are fixed on the diaphragm, the first patch 11 and the second patch 12 can be connected to form the through hole 2, the through hole 2 is wrapped around digestive tracts such as esophagus, the first patch 11 and the second patch 12 are connected more stably, the first patch 11 and the second patch 12 are prevented from moving in vivo, the through hole 2 can better wrap the digestive tracts such as esophagus, and the diaphragm gap is sealed.

The connecting portion 4 may be a through hole, a snap, or other types of connection manners, which is not limited in the present invention. Preferably, the connecting portion 4 is a through hole, and when the connecting portion 4 is a through hole, the through hole may be a through hole with a size of 5mm, or may also be a through hole with a size of 4mm, or a through hole with a size of 6mm, and the size of the through hole is not limited. The through hole is a needle hole pre-passage for connecting and fixing the first patch 11 and the second patch 12 to the diaphragm.

In the embodiment of the invention, the connecting part 4 is arranged on one side of the first patch 11 close to the second patch 12, the connecting part 4 is also arranged on one side of the second patch 12 close to the first patch 11, the first patch 11 and the second patch 12 are connected through the connecting part 4, the first patch 11 and the second patch 12 are fixed on the diaphragm, the connecting part 4 is used for connecting the first patch 11 and the second patch 12 to form the through hole 2 in a surrounding manner, the through hole 2 surrounds the esophagus, the small intestine or the sleeve-shaped stomach, the digestive tracts such as the esophagus and the like are not required to be cut, the complexity of the operation is reduced through a simple structure, the first patch 11 and the second patch 12 are fixed on the diaphragm, the fusion degree of the sheet-shaped body 1 and the diaphragm is enhanced, and the reliability of the device for preventing the hernia of the diaphragm is improved.

Additionally, in some embodiments, as shown in fig. 2, the connection portions 4 are sets of oppositely disposed through holes.

The connecting portion 4 may be a through hole having a size of 5mm, a plurality of through holes are respectively disposed on the first patch 11 and the second patch 12, and the plurality of through holes on the first patch 11 and the second patch 12 are disposed opposite to each other to form a plurality of sets of through holes disposed opposite to each other in the radial direction of the through hole 2.

In the embodiment of the invention, the plurality of groups of through holes which are oppositely arranged are needle hole reserved channels, each group of needle hole reserved channels are oppositely arranged, the first patch 11 and the second patch 12 are connected together through the plurality of groups of needle hole reserved channels which are oppositely arranged, the first patch 11 and the second patch 12 are connected through a simple structure, the first patch 11 and the second patch 12 can be stably connected on the diaphragm, and the reliability of preventing the diaphragmatic hernia is improved.

Additionally, in some embodiments, as shown in fig. 1, the sheet body 1 is a unitary structure.

In the embodiment of the invention, the sheet-shaped main body 1 is designed into an integrated structure, the sheet-shaped main body 1 with the integrated structure has simple structure, convenient manufacture and low cost, and has better stability and can better seal diaphragm cracks after being placed in a body due to the integrated design. The centre of slice main part 1 is equipped with through-hole 2, after last alimentary canal operation, put into above-mentioned diaphragm hernia prevention device internal, pass through-hole 2 with esophagus, small intestine or sleeve form stomach, slice main part 1 wraps the esophagus, small intestine or sleeve form stomach, seal the diaphragm breach, can effectual prevention diaphragm hernia, reduce the incidence of diaphragm hernia, and simultaneously, after the device was put into internally, can effectually prevent to cut or excise behind the cardia in the last alimentary canal operation process, the postoperative stomach esophagus reflux phenomenon that leads to, improve quality of life.

In addition, in some embodiments, the edge portion of the through hole 2 is made of a shrinkable material.

Alternatively, the edge portion of the through-hole 2 may be made of a shrinkable material that is integrally connected to the sheet-like body 1.

It should be noted that the shrinkable material may be made of biomedical polymer materials, such as polyether urethane, polytetrafluoroethylene, polyurethane, etc., or may be other materials that can be inserted into a human body and achieve a shrinking function, and the invention is not limited herein.

In the embodiment of the invention, the edge part of the through hole 2 is made of the shrinkable material, and the through hole 2 can be properly enlarged in the process of enabling the esophagus, the small intestine or the sleeve-shaped stomach to pass through the through hole 2, so that the esophagus, the small intestine or the sleeve-shaped stomach can conveniently pass through the through hole 2, after the esophagus, the small intestine or the sleeve-shaped stomach passes through the through hole 2, the edge part made of the shrinkable material rebounds, the size of the through hole 2 is shrunk to be small, the esophagus small intestine or the sleeve-shaped stomach can be better wrapped, and the diaphragm gap can be sealed.

Alternatively, the edge of the through hole 2 may be made of a magnetic ring, and the magnetic ring is integrally connected with the sheet-shaped main body 1.

It should be noted that the magnetic ring may be a bead chain formed by connecting a plurality of beads with magnetic cores in series, and the material of the beads may be titanium, titanium alloy, cobalt-chromium alloy, or any replaceable material, and the material of the beads is not limited in the present invention. The number of the beads can be 10-20, and the specific number can be set by the skilled person according to the requirement. The beads are mutually attracted and can slide on the metal chain. Under the effect of no external force, the beads are tightly attached, the magnetic ring is in a closed state, the pressure of esophageal peristalsis on the magnetic ring is increased when the bolus is swallowed, the beads are separated due to the compression, the mutual magnetic force among the beads is reduced, the resistance of the magnetic ring on the bolus is reduced, the bolus can smoothly pass through, and once the bolus passes through, the magnetic ring is restored to a closed state. The pressure generated by the normally-relaxed esophagus is enough to prop open the magnetic ring to enable the food bolus to smoothly pass through the junction of the esophagus and the stomach or the intestine, but the pressure of the reflux of the gastrointestinal contents cannot prop open the magnetic ring, so that the reflux prevention effect is achieved.

It should be noted that, a plurality of connecting portions are provided around the through hole 2, and the magnetic ring is connected to the sheet main body 1 through the connecting portions.

The connecting portion may be a through hole, a snap, or other types of connecting manners, which is not limited in the present invention.

Preferably, the connecting portion is a through hole, and when the connecting portion is a through hole, the through hole may be a through hole with a size of 5mm, or may also be a through hole with a size of 4mm, or a through hole with a size of 6mm, and the size of the through hole is not limited. The through hole is a pinhole reservation channel for connecting the magnetic ring with the sheet-shaped body 1.

In the embodiment of the invention, the edge part of the through hole 2 is made of the magnetic ring, so that when the patient swallows, the patient can smoothly pass through the food bolus under the pressure of the peristalsis of the esophagus on the magnetic ring, the reflux pressure of the gastric contents is low, the magnetic ring is not enough to be opened, and the reflux phenomenon of the gastroesophageal tract is effectively avoided.

In addition, in some embodiments, the sheet body 1 has a quadrilateral shape, and the fixing portions 3 are disposed at corners of the quadrilateral shape.

The sheet-like body 1 may be a quadrangle, a circle, an ellipse, or any other convenient shape, and the invention is not limited thereto.

In the present embodiment, a case where the sheet-like body 1 is a quadrangle will be briefly described, the quadrangle may be a square or a rectangle, and for convenience of use, the top corners of the quadrangle are provided with arc-shaped chamfers. As shown in fig. 1-2, the four vertex angles of the quadrangle are respectively provided with a fixing part 3, the fixing parts 3 can be through holes with the size of 5mm, the through holes are needle hole reserved channels, and the sheet-shaped main body 1 is sewn on the diaphragm through the needle hole reserved channels.

In the embodiment of the invention, the sheet-shaped main body 1 is quadrilateral, the shape is regular, the sheet-shaped main body 1 is convenient to be placed in a human body, the fixing parts 3 are respectively arranged at four top corners of the quadrilateral, the sheet-shaped main body 1 is fixed on the diaphragm through the four fixing parts 3, the sheet-shaped main body 1 can be better fixed on the diaphragm, and the sheet-shaped main body 1 is prevented from deviating to cause damage to the esophagus, the small intestine or the sleeve-shaped stomach.

In addition, in some embodiments, the sheet-like body 1 is a net-like structure.

In the embodiment of the present invention, the sheet-like body 1 is a sheet having a net structure formed by weaving fibers of materials such as polyesters, polypropylenes, and polylactic acids. The sheet material with the net structure has better biocompatibility with a matrix and higher fusion degree with diaphragm.

Additionally, in some embodiments, the mesh structure has a mesh diameter of 0.1mm to 1 cm.

In the embodiment of the invention, the reticular structure with the mesh diameter of 0.1 mm-1 cm is selected, so that the pressure of the pleuroperitoneal cavity is favorably balanced, and the tissue strength and the tensile strength are better.

In addition, in some embodiments, the material of the sheet-like body 1 is polypropylene, the polypropylene surface is coated with the poly tea polyphenol film and the nano silver particles, and the nano silver particles are adsorbed on the surface of the poly tea polyphenol film or in the poly tea polyphenol film.

The tea polyphenol is a green plant extract, the performance is safe, the safety of application in a human body is proved and widely accepted, the tea polyphenol and dopamine have similar catechol structures, a poly-dopamine-like nano-film can be formed on the surface of the material, the nano-film is stably attached and coated on the surface of a polypropylene material through complex physical and chemical effects, the biological safety is good, the property is stable, the hydrophilicity and the biocompatibility are good, the polypropylene material does not directly contact abdominal organs, and complications such as intestinal adhesion and the like caused by the fact that the polypropylene contacts the abdominal organs can be greatly reduced. Meanwhile, the tea polyphenol also has certain antibacterial performance, can better prevent the problem of in vivo infection of the implant material, has low price and wide source of the raw material of the tea polyphenol, belongs to green renewable resources, and has huge application prospect.

Wherein, the nano silver is a metal silver simple substance with nano-scale particle size, and has strong inhibiting and killing effects on dozens of pathogenic microorganisms such as escherichia coli, gonococcus, chlamydia trachomatis and the like.

Wherein, the sheet main body 1 is a medical light patch woven by polypropylene, the poly tea polyphenol membrane and the nano silver particles are coated on the surface of the polypropylene, the nano silver particles are adsorbed on the surface of the poly tea polyphenol membrane or in the poly tea polyphenol membrane, the thickness of the poly tea polyphenol membrane is 500 nm-1.5 mu m, and the particle size of the nano silver particles is 20-70 nm.

In the embodiment of the invention, the polypropylene surface is coated with the poly tea polyphenol membrane and the nano silver particles, so that the polypropylene surface is not directly contacted with abdominal organs, complications such as intestinal adhesion and the like caused by the contact of the polypropylene with the abdominal organs can be reduced, meanwhile, the nano silver can stably cover the polypropylene main body surface and is not easy to decompose, the nano silver has low component concentration and low release speed, has good biocompatibility with tea polyphenol, is nontoxic and environment-friendly, plays an excellent antibacterial role, and ensures that the patch has good antibacterial and anti-adhesion effects.

In the embodiment of the invention, after the upper gastrointestinal tract operation is finished, the diaphragmatic hernia prevention device is placed into a body, the esophagus, the small intestine or the sleeve-shaped stomach passes through the through hole on the device, and the device is fixed on the diaphragm, so that the diaphragmatic hernia can be effectively prevented, the incidence rate of the diaphragmatic hernia is reduced, meanwhile, after the device is placed into the body, the gastroesophageal reflux phenomenon caused by incision or excision of the cardia in the upper gastrointestinal tract operation process can be effectively prevented, and the life quality is improved.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention or portions thereof contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the methods according to the embodiments of the present invention.

While the present invention has been described with reference to the particular illustrative embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalent arrangements, and equivalents thereof, which may be made by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A diaphragmatic hernia prevention device, characterized in that the device comprises a sheet-like body (1), said sheet-like body (1) having flexible characteristics; the middle of the sheet-shaped main body (1) is provided with a through hole (2), and the through hole (2) is used for penetrating through an esophagus, a small intestine or a sleeve-shaped stomach; the edge of slice main part (1) is equipped with fixed part (3), fixed part (3) are used for with slice main part (1) is fixed in on the diaphragm.

2. The device for preventing diaphragm hernia according to claim 1, wherein the sheet-shaped body (1) is a split structure; wherein,

the sheet-shaped main body (1) comprises a first patch (11) and a second patch (12) which are connected with each other, and the first patch (11) and the second patch (12) are enclosed to form the through hole (2).

3. Diaphragm hernia prevention device according to claim 2, wherein the first patch (11) is provided with a connection portion (4) at a side close to the second patch (12) and at a side of the second patch (12) close to the first patch (11), the connection portion (4) being used for connecting the first patch (11) and the second patch (12) and fixing the first patch (11) and the second patch (12) on the diaphragm.

4. Device according to claim 3, wherein the connection portions (4) are sets of through holes arranged oppositely.

5. Diaphragmatic hernia prevention device according to claim 1, wherein the sheet like body (1) is of one-piece construction.

6. Device according to claim 1, characterized in that the edge part of the through-hole (2) is made of a shrinkable material.

7. The device for preventing hernia in diaphragm according to claim 1, wherein the sheet-shaped body (1) has a quadrangular shape, and the fixing parts (3) are disposed at the corners of the quadrangular shape.

8. The device for preventing diaphragmatic hernia in accordance with claim 1, wherein the sheet-like body (1) is of a mesh structure.

9. The device for preventing diaphragm hernia of claim 8, wherein the mesh structure has a mesh diameter of 0.1mm to 1 cm.

10. The device for preventing diaphragm hernia according to claim 1, wherein the sheet-shaped body (1) is made of polypropylene, the polypropylene surface is coated with a poly tea polyphenol membrane and nano silver particles, and the nano silver particles are adsorbed on the surface of the poly tea polyphenol membrane or in the poly tea polyphenol membrane.