Suture assembly for diaphragm foot suture in hiatus hernia operation

Abstract

The utility model discloses a suture assembly for diaphragm foot suture in hiatus hernia surgery, which comprises a single-end needle suture and a gasket structure, and the gasket structure comprises a first suture area, a second suture area and a net-shaped gasket area, the net-shaped gasket area is the area, except the first sewing area and the second sewing area, of the gasket structure; the first suture area and the second suture area are of a non-net structure, and when the diaphragm foot is sutured, the first suture area and / or the second suture area are / is configured to allow the single-end needle suture to penetrate in or out of the first suture area, so that the diaphragm foot is sutured. According to the suture assembly, the diaphragm foot is protected by arranging the gasket structure with a unique structure, and the diaphragm foot is prevented from being cut by the suture.

Description

Technical Field

[0001] The present application relates to the technical fields of hiatal hernia repair and diaphragm crura suturing, and in particular to a suture assembly for suturing the diaphragm crura in hiatal hernia surgery. Background Art

[0002] The esophagus passes through the esophageal hiatus of the diaphragm and is connected to the stomach. The diaphragm is a flat muscle that separates the chest cavity from the abdominal cavity. Hiatal hernia refers to the phenomenon that abdominal organs and tissues other than the esophagus enter the chest cavity through the enlarged esophageal hiatus. Hernias with smaller hiats will not cause any symptoms, but hernias with larger hiats will cause symptoms such as heartburn, acid reflux, difficulty swallowing, chest pain or upper abdominal pain, and chronic iron deficiency anemia. Hiatal hernia is one of the common digestive system diseases. Its incidence rate increases with age. Patients under 40 years old account for 10%, and patients over 70 years old account for 70%. The disease is more common in women, obese people, and people over 50 years old.

[0003] Laparoscopic hiatal hernia repair is an important surgical procedure for the treatment of hiatal hernia. The key step is to return the abdominal contents or the gastroesophageal junction that have entered the chest cavity back to the abdominal cavity to restore the normal anatomical structure. At the same time, the diaphragmatic crura are sutured intermittently with non-absorbable sutures to repair the enlarged esophageal hiatus to its normal size.

[0004] The most important step in laparoscopic hiatal hernia repair is to expose the bilateral diaphragmatic crus, repair the enlarged esophageal hiatus and reconstruct it to the appropriate size. Although the use of non-absorbable sutures to suture the left and right diaphragmatic crus can temporarily repair the enlarged esophageal hiatus, with breathing and swallowing movements, the pressure of the esophagus on the left and right diaphragmatic crus increases, causing the sutures to cut the diaphragmatic crus, thereby causing damage to the diaphragmatic crus and expanding the esophageal hiatus again until the hiatal hernia recurs, especially for those with poorly developed diaphragmatic crus or weak muscle bundles. The muscle fibers of the diaphragmatic crus and the diaphragm are easily torn, leading to the recurrence of hiatal hernia.

[0005] Therefore, there is an urgent need in the art to develop a suture assembly for suturing the diaphragm crura in hiatal hernia surgery, which protects the diaphragm crura by providing a gasket structure with a unique structure to prevent the suture from cutting the diaphragm crura. Summary of the invention

[0006] The purpose of the present application is to provide a suture assembly for suturing the diaphragm crura in hiatal hernia surgery, wherein the suture assembly protects the diaphragm crura by providing a gasket structure with a unique structure, thereby preventing the suture from cutting the diaphragm crura.

[0007] The present application provides a suture assembly for suturing the diaphragmatic crura in hiatal hernia surgery, characterized in that it comprises: a single-head needle suture and a gasket structure, wherein the gasket structure comprises a first suture area, a second suture area, and a mesh gasket area, wherein the mesh gasket area is an area of ​​the gasket structure other than the first suture area and the second suture area;

[0008] The first suture area and the second suture area are non-mesh structures. When suturing the diaphragm crura, the first suture area and / or the second suture area are configured to allow the single-head needle suture to pass through or pass through, thereby achieving suturing of the diaphragm crura;

[0009] The length of the gasket structure is 40 mm to 60 mm, and the length of the first stitching area and / or the second stitching area is 10 mm to 20 mm;

[0010] The distance between the center point of the first stitching area and the center point of the second stitching area is 20mm-30mm.

[0011] In another preferred embodiment, the length of the gasket structure is 50 mm, the length of the first stitching area and / or the second stitching area is 15 mm, and the distance between the center point of the first stitching area and the center point of the second stitching area is 25 mm.

[0012] In another preferred example, the first stitching area and the second stitching area are symmetrically arranged, the first stitching area is arranged close to the first short side of the gasket structure, and the second stitching area is arranged close to the second short side of the gasket structure opposite to the first short side.

[0013] In another preferred example, the distance between the center point of the first stitching area and the first short side of the gasket structure is 8mm-15mm; and / or the distance between the center point of the second stitching area and the second short side of the gasket structure is 8mm-15mm.

[0014] In another preferred embodiment, the center point of the first stitching area and the center point of the second stitching area are located on the same width line.

[0015] In another preferred example, the width of the gasket structure is 8 mm-15 mm, and / or the thickness of the gasket structure is 0.5 mm-1.0 mm.

[0016] In another preferred example, the thickness of the gasket is 0.5 mm.

[0017] In another preferred embodiment, the gasket structure is a rounded rectangle, and the first stitching area and / or the second stitching area is in the shape of a rectangle or a rounded rectangle.

[0018] In another preferred example, the initial state of the single-end needle suture and the gasket structure is that the single-end needle suture has passed through the first suture area of ​​the gasket structure, thereby dividing the single-end needle suture into a first needle-carrying thread and a second needle-free thread, the length of the first needle-carrying thread is in the range of 14cm-16cm, and / or the length of the second needle-free thread is in the range of 8cm-12cm.

[0019] In another preferred embodiment, the mesh gasket area of ​​the gasket structure includes a main layer and an anti-adhesion layer. When suturing the diaphragmatic crura, the anti-adhesion layer faces the abdominal cavity. The main layer is made of polypropylene, and the anti-adhesion layer is made of polyvinylidene fluoride.

[0020] In another preferred embodiment, the width of the first stitching area and / or the second stitching area is 4 mm-7.5 mm, and the first stitching area and / or the second stitching area is a single-layer structure, and the material thereof is polypropylene.

[0021] In another preferred embodiment, when completing the suturing of the diaphragm crura, the suture assembly includes a plurality of single-end needle sutures and a plurality of gasket structures, wherein the number of the single-end needle sutures is the same as the number of the gasket structures.

[0022] In another preferred embodiment, the single-end needle suture and the gasket structure are initially in a state where they are separate and independent components.

[0023] It should be understood that within the scope of the present invention, the above-mentioned technical features of the present invention and the technical features specifically described below (such as embodiments) can be combined with each other to form a new or preferred technical solution. Due to space limitations, they will not be described one by one here. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. It should be understood that the drawings described below are only some implementation examples of the present invention, and ordinary technicians in this field can also obtain other implementation examples based on these drawings without paying creative work.

[0025] Figure 1 is a schematic structural diagram of a suture assembly for suturing the diaphragmatic crura in hiatal hernia surgery according to an embodiment of the present application;

[0026] Figure 2 A schematic diagram showing the use of the suture assembly of the present application to sew up the diaphragmatic crura is shown.

[0027] In the accompanying drawings, the following are marked:

[0028] 1- Single-ended needle suture

[0029] 11-First needle thread

[0030] 12-Second thread without needle

[0031] 2- Gasket structure

[0032] 21-First suture area

[0033] 22-Second suture area

[0034] 23-Mesh gasket area DETAILED DESCRIPTION

[0035] Through extensive and in-depth research, the inventors have developed for the first time a suture assembly for suturing the diaphragm crura. The suture assembly is provided with a gasket structure with a unique structure. The non-mesh structure of the gasket structure (suture area, dense area) is the stress-bearing part where the suture and the diaphragm crura muscle fibers are torn after surgery, thereby increasing the contact area of ​​the suture, reducing the pressure, and preventing the suture from cutting the diaphragm crura. The gasket has a mesh structure (mesh-like design) except for the suture area, which will not affect the exposure of the diaphragm crura when the surgeon is suturing, and can ensure that the surgical field is visible; furthermore, due to the setting of the suture area, it is the area where the single-head needle suture enters or exits, and on the other hand, it can be used as a marking area to facilitate operation by medical staff.

[0036] In the following description, many technical details are provided to help readers better understand the present application. However, those skilled in the art can understand that the technical solution claimed in the present application can be implemented even without these technical details and various changes and modifications based on the following embodiments.

[0037] the term

[0038] As used herein, "gasket structure" and "gasket" are used interchangeably;

[0039] It should be noted that in the application documents of this patent, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one" do not exclude the existence of other identical elements in the process, method, article or device including the elements. In the application documents of this patent, if it is mentioned that an action is performed according to an element, it means that the action is performed at least according to the element, which includes two situations: performing the action only according to the element, and performing the action according to the element and other elements. Expressions such as multiple, multiple, and multiple include 2, 2 times, 2 kinds, and more than 2, more than 2 times, and more than 2 kinds.

[0040] In the present invention, all directional indications (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0041] The utility model has at least the following advantages

[0042] (a) The gasket structure of the suture assembly for suturing the diaphragm crura of the utility model is specifically used for the suturing operation of the diaphragm crura in esophageal hiatal hernia surgery. The dense part (non-mesh structure, suture area) in the gasket structure is the stress-bearing part where the suture and the diaphragm crura muscle fibers are torn after surgery, thereby increasing the contact area of ​​the suture, reducing the pressure, and preventing the suture from cutting the diaphragm crura;

[0043] (b) The gasket of the suture assembly for suturing the diaphragm crura of the utility model is made of polypropylene material, which has strong tension resistance, moderate hardness, good tissue compatibility and biological inertness, and can effectively withstand suture cutting while protecting the diaphragm crura;

[0044] (c) The suture assembly for suturing the diaphragm crura of the utility model takes into account that the gasket is retained in the abdominal cavity for a long time, and the abdominal cavity side of the gasket structure is coated with PVDF (polyvinylidene fluoride) anti-adhesion material, which has good biocompatibility and durability and can be retained in the abdominal cavity for a long time without causing adverse reactions; at the same time, the surface of the PVDF material is smooth and is not easy to adhere to microorganisms such as bacteria and viruses, which is conducive to reducing infection and preventing adhesion;

[0045] (d) The mesh gasket area of ​​the gasket structure of the suture assembly for suturing the diaphragm crura of the utility model combines PVDF with polypropylene, which can have the advantages of both. Polypropylene provides sufficient mechanical support, high strength and support, and the low water absorption and smooth surface of PVDF reduce tissue reaction and adhesion, providing excellent biocompatibility and chemical stability;

[0046] (e) The gasket of the suture assembly used for suturing the diaphragm crura of the utility model is designed in a mesh shape, which will not affect the exposure of the diaphragm crura during suturing by the surgeon, and can ensure that the surgical field of view is visible;

[0047] (f) The gasket of the suture assembly for suturing the diaphragmatic crura of the utility model is provided with non-absorbable sutures, which reduces the difficulty of the operator's operation;

[0048] (g) The suture area of ​​the suture assembly used for suturing the diaphragm crura of the utility model is set as a single-head needle suture entry or exit area, which can be used as a marking area to facilitate operation by medical staff.

[0049] A suture assembly for suturing the diaphragmatic crura in hiatal hernia surgery

[0050] See also Figure 1-Figure 2 The present application provides a suture assembly for suturing the diaphragmatic crura in hiatal hernia surgery, comprising: a single-head needle suture 1 and a gasket structure 2, the gasket structure 2 comprising a first suture area 21, a second suture area 22 and a mesh gasket area 23, the mesh gasket area 23 being the area of ​​the gasket structure 2 except the first suture area 21 and the second suture area 22;

[0051] The first suture area 21 and the second suture area 22 are non-mesh structures. When suturing the diaphragm foot, the first suture area 21 and / or the second suture area 22 are configured to allow the single-head needle suture 1 to pass in or out therefrom, thereby realizing the suturing of the diaphragm foot; the first or second suture area is the stress-bearing part where the suture and the diaphragm foot muscle fiber are torn after surgery. By setting the non-mesh structure, the contact area of ​​the suture is increased, the pressure is reduced, and the suture is prevented from cutting the diaphragm foot; the non-mesh structure is denser than the mesh structure of the mesh gasket area 23. The mesh gasket area 23 of the gasket structure 2 includes a main body layer and an anti-adhesion layer. When suturing the diaphragm foot, the anti-adhesion layer faces the abdominal cavity. The material of the main body layer is polypropylene, and the material of the anti-adhesion layer is polyvinylidene fluoride (PVDF). Combining PVDF with polypropylene can have the advantages of both. Polypropylene provides sufficient mechanical support, high strength and support. The low water absorption and smooth surface of PVDF reduce tissue reaction and adhesion, and provide excellent biocompatibility and chemical stability. In one embodiment, the width of the first stitching area 21 and / or the second stitching area 22 is 4 mm-7.5 mm, and the first stitching area 21 and / or the second stitching area 22 is a single-layer structure, and the material thereof is polypropylene.

[0052] In order to make the gasket structure better adapt to the suturing of the diaphragm crura, the length of the gasket structure 2 is 40mm-60mm, the length of the first suture area 21 and / or the second suture area 22 is 10mm-20mm; the distance between the center point of the first suture area 21 and the center point of the second suture area 22 is 20mm-30mm. In one embodiment, the first suture area 21 and the second suture area 22 are symmetrically arranged, the first suture area 21 is arranged close to the first short side of the gasket structure 2, and the second suture area 22 is arranged close to the second short side of the gasket structure 2 opposite to the first short side. Preferably, the distance between the center point of the first suture area 21 and the first short side of the gasket structure 2 is 8mm-15mm; and / or the distance between the center point of the second suture area 22 and the second short side of the gasket structure 2 is 8mm-15mm. Preferably, the center point of the first suture area 21 and the center point of the second suture area 22 are located on the same width line.

[0053] In one embodiment, the width of the gasket structure 2 is 8 mm-15 mm, and / or the thickness of the gasket structure 2 is 0.5 mm-1.0 mm.

[0054] In one embodiment, the gasket structure 2 is a rounded rectangle, and the first stitching area 21 and / or the second stitching area 22 is a rectangle or a rounded rectangle.

[0055] In one embodiment, the initial state of the single-head needle suture 1 and the gasket structure 2 is that the single-head needle suture 1 has passed through the first suture area 21 of the gasket structure 2, thereby dividing the single-head needle suture 1 into a first needle-carrying thread 11 and a second needle-free thread 12, the length of the first needle-carrying thread 11 is in the range of 14cm-16cm, and / or the length of the second needle-free thread 12 is in the range of 8cm-12cm. In other embodiments, the initial state of the single-head needle suture 1 and the gasket structure 2 is that the two are separate and independent components.

[0056] In one embodiment, when completing the suturing of the diaphragmatic crura, the suture assembly includes a plurality of single-end needle sutures 1 and a plurality of gasket structures 2, wherein the number of the single-end needle sutures 1 is the same as the number of the gasket structures 2.

[0057] To make the purpose, technical solution and advantages of the present invention clearer, the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. It should be understood that these are only some examples that the present invention may take for the reader, but are not intended to limit the scope of the present invention.

[0058] Example

[0059] See also Figure 1 , Figure 1 A schematic structural diagram of a suture assembly for suturing the diaphragmatic crura in hiatal hernia surgery according to one embodiment is shown.

[0060] In this embodiment, the suture assembly for suturing the diaphragm crura in hiatal hernia surgery is a disposable consumable, wherein the gasket structure 2 is a rounded rectangular mesh-shaped material made of polypropylene, and the side facing the abdominal cavity is coated with PVDF (polyvinylidene fluoride) anti-adhesion material, which has good biocompatibility and durability, and can be retained in the abdominal cavity for a long time without causing adverse reactions. At the same time, the surface of the PVDF material is smooth and not easy to adhere to microorganisms such as bacteria and viruses, which is conducive to reducing infection and preventing adhesion.

[0061] In this embodiment, the single-head needle suture 1 has passed through the first suture area 21 of the gasket structure 2, so that there is a length of suture on the upper and lower parts of the gasket structure 2. The end with the needle (the first needle-headed thread 11) is 15 cm long and faces the chest cavity during suturing. The end without the needle (the second needle-free thread 12) is 10 cm long and faces the abdominal cavity during suturing. Most of the sutures are non-absorbable sutures. Optionally, the suture specifications can be 2-0 or 3-0. The gasket structure 2 is 5 cm long, 1 cm wide, and 0.5 mm thick. The circular non-mesh area 0.5 cm away from the edges on both sides (the gray part in the schematic diagram) is a whole piece of polypropylene material. This is the place where the suture goes in and out, and it is also the stress-bearing part where the suture and the diaphragm crura muscle fibers are torn after surgery. The design purpose is to increase the contact area of ​​the suture and reduce the pressure, thereby maximally preventing the suture from cutting the diaphragm crura. That is, from Figure 1 It can be seen that in this embodiment, the width of the first suture area 21 and / or the second suture area 22 is 0.5 cm, the length is 1.5 cm, the distance between the center point of the first suture area 21 and the center point of the second suture area 22 is 2.5 cm, the distance between the center point of the first suture area 21 and the first short side of the gasket structure 2 is 1.25 cm, and the distance between the center point of the second suture area 22 and the second short side of the gasket structure 2 is 1.25 cm. These dimensions are set to better fit the suture of the diaphragm crura and to expose the diaphragm crura when the surgeon is suturing, so as to ensure that the surgical field is visible.

[0062] This embodiment also provides a method for using a suture assembly for suturing the diaphragmatic crura in hiatal hernia surgery as follows:

[0063] During the process of suturing the diaphragmatic crura, the gasket structure 2 of the suture assembly is placed at the seams of the diaphragmatic crura on both sides, and the curved needle (i.e., single-head needle suture 1) provided with the gasket is clamped with a needle holder, and sewed in from the left diaphragmatic crura, and passed out from the right diaphragmatic crura and through the dense part on the left side of the gasket structure 2 (i.e., the second suture area 22), and knotted and fixed with the suture on the abdominal cavity side, thereby completing the placement of the gasket structure 2. Then, according to the size of the esophageal hiatus, the gasket structure 2 is continued to be sutured and fixed, and each needle has an anti-cutting gasket structure 2. In this embodiment, the initial state of the single-head needle suture 1 and the gasket structure 2 is that the single-head needle suture 1 has passed through the first suture area 21 of the gasket structure 2. See. Figure 2 , Figure 2 A schematic diagram of suturing the diaphragm crura using the suture assembly of the present application is shown, specifically, Figure 2 A schematic diagram showing the diaphragmatic crura being sutured using the suture assembly of the present application is shown.

[0064] A large number of technical features are recorded in the specification of this application, which are distributed in various technical solutions. If all possible combinations of technical features of this application (i.e., technical solutions) are to be listed, the specification will be too long. In order to avoid this problem, the various technical features disclosed in the above-mentioned invention content of this application, the various technical features disclosed in the various embodiments and examples below, and the various technical features disclosed in the accompanying drawings can be freely combined with each other to form various new technical solutions (these technical solutions are all deemed to have been recorded in this specification), unless the combination of such technical features is technically infeasible. For example, in one example, feature A+B+C is disclosed, and in another example, feature A+B+D+E is disclosed, and features C and D are equivalent technical means that play the same role. Technically, only one can be used, and it is impossible to use them at the same time. Feature E can be combined with feature C technically. Then, the solution of A+B+C+D should not be deemed to have been recorded because it is technically infeasible, and the solution of A+B+C+E should be deemed to have been recorded.

[0065] All documents mentioned in this application are considered to be included in the disclosure of this application as a whole, so that they can be used as the basis for modification when necessary. In addition, it should be understood that after reading the above disclosure of this application, those skilled in the art can make various changes or modifications to this application, and these equivalent forms also fall within the scope of protection claimed in this application.

Claims

1. A suture assembly for suturing the diaphragmatic crura in hiatal hernia surgery, characterized in that: include: A single-end needle suture (1) and a gasket structure (2), wherein the gasket structure (2) comprises a first suture area (21), a second suture area (22) and a mesh gasket area (23), wherein the mesh gasket area (23) is the area of ​​the gasket structure (2) other than the first suture area (21) and the second suture area (22); The first suture area (21) and the second suture area (22) are non-mesh structures. When suturing the diaphragm foot, the first suture area (21) and / or the second suture area (22) are configured to allow the single-head needle suture (1) to pass in or out therefrom, thereby achieving suturing of the diaphragm foot; The length of the gasket structure (2) is 40 mm to 60 mm, and the length of the first stitching area (21) and / or the second stitching area (22) is 10 mm to 20 mm; The distance between the center point of the first stitching area (21) and the center point of the second stitching area (22) is 20 mm-30 mm.

2. The suture assembly according to claim 1, characterized in that The first stitching area (21) and the second stitching area (22) are symmetrically arranged, the first stitching area (21) is arranged close to the first short side of the gasket structure (2), and the second stitching area (22) is arranged close to the second short side of the gasket structure (2) opposite to the first short side.

3. The suture assembly according to claim 2, characterized in that The center point of the first stitching area (21) and the center point of the second stitching area (22) are located on the same width line.

4. The suture assembly according to claim 3, characterized in that The width of the gasket structure (2) is 8 mm to 15 mm, and / or the thickness of the gasket structure (2) is 0.5 mm to 1.0 mm.

5. The suture assembly according to claim 1, characterized in that The gasket structure (2) is a rounded rectangle, and the first stitching area (21) and / or the second stitching area (22) is a rectangle or a rounded rectangle.

6. The suture assembly according to claim 1, wherein: The initial state of the single-head needle suture (1) and the gasket structure (2) is that the single-head needle suture (1) has passed through the first stitching area (21) of the gasket structure (2), thereby dividing the single-head needle suture (1) into a first needle-carrying thread (11) and a second needle-free thread (12), wherein the length of the first needle-carrying thread (11) is in the range of 14cm-16cm, and / or the length of the second needle-free thread is in the range of 8cm-12cm.

7. The suture assembly according to claim 1, characterized in that The mesh gasket area (23) of the gasket structure (2) comprises a main body layer and an anti-adhesion layer. When suturing the diaphragmatic crura, the anti-adhesion layer faces the abdominal cavity. The main body layer is made of polypropylene, and the anti-adhesion layer is made of polyvinylidene fluoride.

8. The suture assembly according to claim 7, characterized in that The width of the first stitching area (21) and / or the second stitching area (22) is 4 mm-7.5 mm. The first stitching area (21) and / or the second stitching area (22) is a single-layer structure, and the material thereof is polypropylene.

9. The suture assembly according to claim 1, characterized in that: When the suturing of the diaphragmatic crura is completed, the suture assembly includes a plurality of single-end needle sutures (1) and a plurality of gasket structures (2), wherein the number of the single-end needle sutures (1) is the same as the number of the gasket structures (2).

10. The suture assembly according to claim 1, wherein: In an initial state, the single-end needle suture (1) and the gasket structure (2) are separate and independent components.

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