Antibacterial suture

Abstract

The invention provides an antibacterial suture line which comprises a metal line, and the metal line is a titanium copper alloy line. The antibacterial suture line disclosed by the invention can effectively inhibit the growth of bacteria and reduce the infection risk of a patient.

Description

Technical Field

[0001] The present invention relates to the medical field, in particular to an antibacterial suture thread. Background Art

[0002] With the continuous deepening of orthopedic centralized procurement, metal wires can have two indications: non-absorbable sutures and orthopedic binding systems, becoming a substitute for implants in trauma orthopedic clinical surgery.

[0003] However, ordinary metal wires may be corroded by bacteria during storage and use, and may pose a risk of infection to patients during use. Summary of the Invention

[0004] In view of the above problems in the prior art, the object of the present invention is to provide an antibacterial suture that can effectively inhibit bacterial growth and reduce the risk of infection in patients.

[0005] In order to solve the above problems, the present invention provides an antibacterial suture, which comprises:

[0006] The metal wire is a titanium-copper alloy wire.

[0007] Furthermore, the suture thread is a multi-strand thread or a single-strand thread.

[0008] Furthermore, the suture line further comprises:

[0009] A plurality of microcapsules are bonded to the surface of the metal wire at intervals, the microcapsules contain antibacterial liquid, and the microcapsules can be ruptured by being squeezed to allow the antibacterial liquid to flow out.

[0010] Furthermore, the material of the microcapsule is a human-degradable material.

[0011] Furthermore, the material of the microcapsule is gel, hydrogel, hyaluronic acid or gelatin.

[0012] Furthermore, the antibacterial liquid is an antibiotic.

[0013] Furthermore, the internal spaces at the front and rear ends of the microcapsule are smaller than the internal space at the middle of the microcapsule, and the front and rear ends of the microcapsule are closely attached to the metal wire.

[0014] Furthermore, the microcapsule is symmetrical front to back.

[0015] Furthermore, the internal space of the microcapsule gradually increases from the front and rear ends to the middle thereof.

[0016] Due to the above technical solution, the present invention has the following beneficial effects:

[0017] According to the antibacterial suture of the present invention, the metal wire is made of medical titanium alloy with copper (Cu) having antibacterial properties added thereto to form a Ti2Cu phase. The slight corrosion of the solution (bacterial solution, body fluid, etc.) on the titanium-copper alloy wire causes the copper ions Cu in the titanium-copper alloy wire to 2+ Trace and continuous dissolution of copper ions Cu 2+ Contact with bacteria destroys the outer cell membrane of the bacteria, increases the permeability of the cell membrane, and causes the leakage of proteins and reducing sugars in the bacteria. 2+ It destroys the respiratory chain of bacteria, leading to the production of a large amount of reactive oxygen species, effectively inhibiting bacterial growth and reducing the risk of infection in patients. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] To more clearly illustrate the technical solution of the present invention, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present invention, and those skilled in the art can derive other drawings based on these drawings without inventive effort.

[0019] Figure 1 is a structural diagram of an antibacterial suture according to a first embodiment of the present invention;

[0020] Figure 2 This is a schematic diagram of the antibacterial effect of copper ions;

[0021] Figure 3 is a structural diagram of an antibacterial suture according to a second embodiment of the present invention;

[0022] Figure 4 yes Figure 3 Left side view of an antimicrobial suture according to an embodiment.

[0023] Reference numerals:

[0024] 100, metal wire; 200, microcapsule; 210, first capsule part; 220, second capsule part. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0026] It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and the accompanying drawings are used to distinguish similar items and are not necessarily used to describe a particular order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, such that the embodiments of the present invention described herein can be implemented in sequences other than those illustrated or described herein. Furthermore, the terms "including," "having," and any variations thereof are intended to cover non-exclusive inclusions.

[0027] Next, an antibacterial suture according to an embodiment of the present invention will be described.

[0028] like Figures 1 to 4 As shown, the antibacterial suture thread according to the embodiment of the present invention comprises a metal wire 100. The metal wire 100 is a titanium-copper alloy wire.

[0029] like Figure 1 As shown, the metal wire 100 is made by adding copper (Cu) with antibacterial properties into medical titanium alloy to form a Ti2Cu phase.

[0030] like Figure 2 As shown in the figure, the slight corrosion of the solution (bacterial solution, body fluid, etc.) on the titanium-copper alloy wire causes the copper ions Cu in the titanium-copper alloy wire to 2+ trace and continuous dissolution.

[0031] Copper ion Cu 2+ Contact with bacteria destroys the outer cell membrane of the bacteria, increases the permeability of the cell membrane, and causes the leakage of proteins and reducing sugars in the bacteria. 2+ Disrupting the respiratory chain of bacteria leads to the production of a large amount of reactive oxygen species, effectively inhibiting bacterial growth, thereby reducing the risk of infection in patients.

[0032] In some embodiments of the present invention, the suture is a multi-strand thread or a single-strand thread.

[0033] That is to say, the metal wire 100 of the present invention can be applied to multi-strand wires or single-strand wires, thereby increasing applicability.

[0034] In some embodiments of the present invention, the suture further includes a plurality of microcapsules 200. These microcapsules 200 are adhered to the surface of the metal wire 100 at intervals. The microcapsules 200 contain an antibacterial liquid. When squeezed, the microcapsules 200 rupture, allowing the antibacterial liquid to flow out. The microcapsules 200 can be thin-walled, sac-shaped objects with an internal space.

[0035] like Figure 3 and Figure 4As shown, during the suturing process, the metal wire 100 passes through the wound, and the microcapsules 200 are squeezed and ruptured, thereby leaking antibacterial liquid. This antibacterial liquid can eliminate bacteria on the metal wire 100 and the bacteria in the wound, more effectively preventing the wound from being infected by bacteria.

[0036] Furthermore, the material of the microcapsule 200 is a human-degradable material.

[0037] During use, there is a risk that the microcapsules 200 may rupture and remain in the human body. By using degradable materials, these remaining microcapsules 200 can be degraded to reduce adverse effects on the wound site.

[0038] Optionally, the material of the microcapsule 200 is gel, hydrogel, hyaluronic acid or gelatin.

[0039] These materials can be degraded in the body and form microcapsules 200 with thinner walls, which facilitate timely rupture when squeezed.

[0040] In some embodiments of the present invention, the antibacterial solution is an antibiotic.

[0041] Antibiotics can effectively kill bacteria and more effectively reduce the risk of bacterial infection in the wound.

[0042] In some embodiments of the present invention, the internal spaces at the front and rear ends of the microcapsule 200 are smaller than the internal space in the middle of the microcapsule 200 , and the front and rear ends of the microcapsule 200 are in close contact with the metal wire 100 .

[0043] like Figure 3 and Figure 4 As shown, the internal spaces at the front and rear ends of microcapsule 200 are smaller than the internal space in the middle of microcapsule 200. When entering the wound, microcapsule 200 is blocked by the wound. The smaller internal spaces at the front and rear ends, which are in close contact with metal wire 100, allow microcapsule 200 to enter the wound more smoothly. This prevents the microcapsule 200 from being too large when entering the wound, causing excessive obstruction to the wound, which could lead to increased wound size and pain for the patient. The larger internal space in the middle of microcapsule 200 can accommodate a larger amount of antibacterial fluid. Before the middle of microcapsule 200 reaches the wound, microcapsule 200 has already ruptured, and at this point, the microcapsule 200 poses less obstruction to the wound.

[0044] Furthermore, the microcapsule 200 is symmetrical front to back.

[0045] like Figure 4 As shown, the microcapsule 200 includes a first capsule portion 210 and a second capsule portion 220 that are symmetrical to each other. Whether the suture thread is inserted into the wound from front to back or from back to front, the effect is the same, which can facilitate the operation of relevant personnel.

[0046] Furthermore, the internal space of the microcapsule 200 gradually increases from the front and rear ends thereof to the middle thereof.

[0047] like Figure 3 As shown, the internal space of the microcapsule 200 gradually increases from its front end to its middle. Furthermore, the internal space of the microcapsule 200 gradually increases from its rear end to its middle. This allows the microcapsule 200 to smoothly penetrate the wound, reducing obstacles to entry.

[0048] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An antibacterial suture, characterized in that: The suture comprises: The metal wire is a titanium-copper alloy wire.

2. The antibacterial suture according to claim 1, characterized in that The suture thread is a multi-strand thread or a single-strand thread.

3. The antibacterial suture according to claim 1, characterized in that The suture further comprises: A plurality of microcapsules are bonded to the surface of the metal wire at intervals, the microcapsules contain antibacterial liquid, and the microcapsules can be ruptured by being squeezed to allow the antibacterial liquid to flow out.

4. The antibacterial suture according to claim 3, characterized in that The material of the microcapsule is a human-degradable material.

5. The antibacterial suture according to claim 4, characterized in that The material of the microcapsule is gel, hydrogel, hyaluronic acid or gelatin.

6. The antibacterial suture according to claim 3, characterized in that: The antibacterial liquid is an antibiotic.

7. The antibacterial suture according to claim 3, characterized in that: The internal spaces at the front and rear ends of the microcapsule are smaller than the internal space at the middle of the microcapsule, and the front and rear ends of the microcapsule are closely attached to the metal wire.

8. The antibacterial suture according to claim 7, characterized in that: The microcapsule is symmetrical front to back.

9. The antibacterial suture according to claim 8, characterized in that: The internal space of the microcapsule gradually increases from the front and rear ends to the middle thereof.

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