A wound closure device

Abstract

The application provides a wound suture device, which comprises a suture fixing assembly and a suture tightness adjusting assembly, the suture tightness adjusting assembly comprises a first bottom plate, a locking mechanism and an adjusting rod, the adjusting rod is connected with the suture fixing assembly through a suture, the adjusting rod is adapted to rotate axially along a first direction to make the suture in a tension state and rotate axially along a second direction to make the suture in a slack state. The adjusting rod is locked and unlocked through the locking mechanism, when the wound needs to be closed, the adjusting rod only needs to be rotated axially along the first direction to make the suture in the tension state; when the wound needs to be ventilated, drained, changed or observed, the adjusting rod only needs to be unlocked through the locking mechanism and rotated axially along the second direction to make the suture in the slack state. The wound suture device provided by the embodiment of the application can realize quick closing of a deep and large wound and simultaneously facilitate ventilation, drainage, change or observation of the wound.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of medical devices, in particular to a wound suture device. BACKGROUND

[0002] In surgical operations, medical sutures are usually used to suture general wounds, but for some deep and large wounds, sutures cannot well close the wounds, and are not conducive to the ventilation, nursing and timely discharge of wound exudates. SUMMARY

[0003] The present application provides a wound suture device to solve the problem that the sutures in the prior art are not conducive to the ventilation, nursing and timely discharge of wound exudates for deep and large wounds.

[0004] The present application provides a wound suture device, comprising:

[0005] A suture fixing assembly is arranged on one side of the wound.

[0006] A suture tightness adjusting assembly comprises a first bottom plate arranged on the other side of the wound, a locking mechanism, and an adjusting rod rotatably arranged on the first bottom plate, the adjusting rod is connected with the suture fixing assembly through a suture, the adjusting rod is adapted to rotate axially in a first direction to make the suture in a tension state, and rotate axially in a second direction to make the suture in a relaxed state, the locking mechanism is connected with the first bottom plate, the locking mechanism is adapted to switch between a locked state and an unlocked state, in the locked state, the locking mechanism locks the adjusting rod, the adjusting rod can only rotate axially in the first direction, in the unlocked state, the locking mechanism releases the lock on the adjusting rod, and the adjusting rod can rotate axially in both the first direction and the second direction.

[0007] According to the wound suture device provided by the embodiment of the present application, a fixing component is arranged on the side of the first bottom plate away from the skin, and the adjusting rod is rotatably matched with the fixing component.

[0008] According to the wound suture device provided by the embodiment of the present application, the fixing component comprises a first fixing seat and a supporting groove, a first end of the adjusting rod is rotatably sleeved in a fixing hole of the first fixing seat, and a second end of the adjusting rod is rotatably clamped in the supporting groove.

[0009] According to the wound suture device provided by the embodiment of the present application, an outer peripheral surface of the first end of the adjusting rod is provided with an identification disc, an outer peripheral surface of the identification disc is provided with a scale, an outer peripheral surface of the second end of the adjusting rod is provided with a ratchet wheel, and an end portion of the second end of the adjusting rod is provided with a clamping portion.

[0010] The wound suture device provided by the embodiment of the present application comprises a plurality of suture fixing members arranged along the length direction of the adjusting rod.

[0011] The wound suture device provided by the embodiment of the present application comprises a locking mechanism.

[0012] The locking mechanism further comprises:

[0013] The first elastic member is a compression spring or a tensile spring.

[0014] The locking mechanism further comprises:

[0015] The locking component comprises a second fixing base, a second elastic member and a clamping tongue.

[0016] The suture fixing assembly comprises a second base plate.

[0017] The second base plate is provided with a plurality of suture holes on the side close to the wound.

[0018] The wound suture device provided by the embodiment of the present application can realize quick closure of deep and large wounds, and facilitates air permeation, drainage, dressing change or observation of the wound, etc. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort based on these drawings.

[0020] Figure 1 is one of the schematic perspective structural views of the wound suture device provided by the embodiment of the present application;

[0021] Figure 2 is another schematic perspective structural view of the wound suture device provided by the embodiment of the present application;

[0022] Figure 3 is one of the schematic front structural views of the suture tightness adjusting assembly provided by the embodiment of the present application;

[0023] Figure 4 is one of the schematic front structural views of the suture fixing assembly provided by the embodiment of the present application;

[0024] Figure 5 is the schematic top structural view of the suture tightness adjusting assembly provided by the embodiment of the present application;

[0025] Figure 6 is one of the schematic front sectional structural views of the suture tightness adjusting assembly provided by the embodiment of the present application.

[0026] LIST OF REFERENCES:

[0027] 100, suture fixing assembly; 101, second bottom plate; 102, suture guide; 103, suture hole; 104, fixing piece; 200, suture tightness adjusting assembly; 201, first bottom plate; 202, adjusting rod; 203, first fixing seat; 204, supporting groove; 205, identification disc; 206, ratchet; 207, clamping part; 208, suture fixing piece; 209, adjusting arm; 210, locking piece; 211, locking part; 212, second fixing seat; 213, second elastic piece; 214, clamping tongue; 215, clamping part. DETAILED DESCRIPTION

[0028] The embodiments of the present application will be further described in details below with reference to the drawings and embodiments. The following embodiments are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0029] In the description of the embodiments of the present application, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the embodiments of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0030] In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0031] In the embodiments of the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0032] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0033] The following is combined Figures 1-6 The wound suturing device according to an embodiment of the present invention is described, wherein... Figure 1 One of the three-dimensional structural schematic diagrams of the wound suturing device provided in the embodiment of the present invention is illustrated. Figure 2 A second three-dimensional structural schematic diagram of the wound suturing device provided in an embodiment of the present invention is shown, as follows: Figure 1 and Figure 2 As shown, the wound suturing device includes a suture fixing assembly 100 and a suture tension adjusting assembly 200. The suture fixing assembly 100 is disposed on one side of the wound. The suture tension adjusting assembly 200 includes a first base plate 201, a locking mechanism, and an adjusting rod 202. The first base plate 201 is disposed on the other side of the wound, and the adjusting rod 202 is rotatably disposed on the side of the first base plate 201 facing away from the skin. The adjusting rod 202 is connected to the suture fixing assembly 100 via the suture. The adjusting rod 202 is adapted to rotate axially in a first direction to put the suture in a tensioned state and rotate axially in a second direction to put the suture in a relaxed state. The locking mechanism is connected to the first base plate 201 and is adapted to switch between a locked state and an unlocked state. In the locked state, the locking mechanism locks the adjusting rod 202, and the adjusting rod 202 can only rotate axially in the first direction. In the unlocked state, the locking mechanism releases the lock on the adjusting rod 202, and the adjusting rod 202 can rotate axially in both the first and second directions.

[0034] The wound suturing device provided in this embodiment of the invention adjusts the tension of the suture by rotating the adjusting rod 202. A locking mechanism locks and unlocks the adjusting rod 202. When wound closure is required, the adjusting rod 202 is simply rotated axially in a first direction to tension the suture. When the wound needs ventilation, drainage, dressing changes, or observation, the adjusting rod 202 is unlocked via the locking mechanism and rotated axially in a second direction to relax the suture. This wound suturing device can quickly close deep and large wounds while facilitating ventilation, drainage, dressing changes, or observation.

[0035] It should be noted that the first direction and the second direction are two opposite directions, when the first direction is clockwise, the second direction is counterclockwise; when the second direction is clockwise, the first direction is counterclockwise, the specific direction of the first direction and the second direction is determined according to the connection relationship between the suture and the suture fixing part 208.

[0036] In the embodiment of the application, the suture fixing assembly 100 and the suture tightness adjusting assembly 200 are respectively arranged on the two sides of the wound, the first bottom plate 201 and the second bottom plate 101 are respectively fixed to the skin on the two sides of the wound, and the length direction of the first bottom plate 201 and the second bottom plate 101 is consistent with the length direction of the wound.

[0037] In the embodiment of the application, as shown in Figure 1 and Figure 2 , the side of the first bottom plate 201 away from the skin is provided with a fixing part, the fixing part is used for providing a mounting base for the adjusting rod 202, and the adjusting rod 202 is in rotational cooperation with the fixing part. The fixing part comprises a first fixing seat 203 and a supporting groove 204, the adjusting rod 202 is arranged along the length direction of the wound, and the first fixing seat 203 and the supporting groove 204 are arranged on the side of the first bottom plate 201 away from the skin in a spaced manner along the length direction of the wound. The first fixing seat 203 is provided with a fixing hole, the fixing hole is a through hole, the first end of the adjusting rod 202 is rotatably sleeved in the fixing hole, the end portion of the first end of the adjusting rod 202 protrudes out of the fixing hole, in order to limit the adjusting rod 202, the end portion of the first end of the adjusting rod 202 is provided with a limiting part, the limiting part can be a pin, a protrusion or a ball head. When the limiting part is a ball head, the side of the first fixing seat 203 away from the supporting groove 204 is provided with a ball socket, the ball head is located in the ball socket, and the two constitute a spherical hinge joint. In order to facilitate manufacturing, the first fixing seat 203 is integrally formed with the first bottom plate 201.

[0038] The side of the supporting groove 204 away from the first bottom plate 201 is provided with a clamping groove, the size of the clamping groove is matched with the size of the adjusting rod 202, and the second end of the adjusting rod 202 is rotatably clamped in the clamping groove. The number of the supporting grooves 204 can be one or two, when the supporting grooves 204 are two, the two supporting grooves 204 are arranged in a spaced manner, thereby providing a mounting space for the ratchet wheel 206, and the adjusting rod 202 is provided with an axial shoulder which cooperates with the supporting groove 204 to limit the axial position. In order to facilitate manufacturing, the supporting groove 204 is also integrally formed with the first bottom plate 201.

[0039] It should be noted that the structure type of the fixing component can be various, and is not limited to the combination of the first fixing seat 203 and the supporting groove 204, and can also be the combination of two fixing seats, both of which are provided with fixing holes, and both ends of the adjusting rod 202 are rotatably inserted into the two fixing holes, so as to realize the rotating cooperation between the adjusting rod 202 and the fixing component.

[0040] In the embodiment of the present application, as shown in Figure 1 and Figure 2 , the adjusting rod 202 is a rod-shaped structure and can be integrally formed by 3D printing or the like. The outer circumferential surface of the first end of the adjusting rod 202 is provided with an identification disc 205, and the outer circumferential surface of the identification disc 205 is provided with a scale, which is a recessed or protruding number, and the larger the number is, the tighter the suture is, so that the user can intuitively judge the tightness of the suture through the scale, so as to avoid excessive compression of the wound. The identification disc 205 can be a separate component or can be integrally formed with the adjusting rod 202. The shape of the identification disc 205 can be a disc or a regular polygon, and in the embodiment, the identification disc 205 is a regular hexagon, and the six outer sides of the identification disc 205 are respectively provided with a number.

[0041] It should be noted that the setting position of the identification disc 205 is not limited to the first end of the adjusting rod 202, and can also be set at other positions of the adjusting rod 202.

[0042] In the embodiment of the present application, Figure 3 a front view structural schematic diagram of the suture tightness adjusting assembly provided by the embodiment of the present application is shown, Figure 5 a top view structural schematic diagram of the suture tightness adjusting assembly is shown, Figure 6 a front view cross-sectional structural schematic diagram of the suture tightness adjusting assembly provided by the embodiment of the present application is shown, as Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 6 , the outer circumferential surface of the second end of the adjusting rod 202 is provided with a ratchet wheel 206, which can be a separate component or can be integrally formed with the adjusting rod 202. The ratchet wheel 206 is used for cooperating with the locking piece 210 to realize the locking and unlocking of the locking mechanism to the adjusting rod 202. The end of the second end of the adjusting rod 202 is provided with a clamping portion 207, which is integrally formed with the adjusting rod 202, and the clamping portion 207 is used for clamping by a tool to facilitate the rotation of the adjusting rod 202. The structure form of the clamping portion 207 can be various, which can be a columnar body with a regular polygonal cross section or a sheet structure, and in the embodiment, the cross section of the clamping portion 207 is a regular hexagon. When the suture needs to be adjusted, a socket wrench or the like can be used to be sleeved on the clamping portion 207, the adjusting rod 202 is rotated, and then the tightness of the suture is adjusted.

[0043] In the embodiment of the present application, as shown in Figure 1 and Figure 2 , the middle part of the adjusting rod 202 is provided with a plurality of suture fixing members 208, which are arranged at intervals along the length direction of the adjusting rod 202. The suture fixing member 208 is used to fix the suture, so that the adjusting rod 202 can drive the suture to be tight or loose when it rotates. In the embodiment, the suture fixing member 208 is a suture hole 103. In use, the suture is passed through the suture hole 103, then passed through the skin, wound around the corresponding roller, then passed through the skin again and passed through the next suture hole 103. Through the above steps repeatedly, the suture fixing assembly 100, the suture tightness adjusting assembly 200 and the skin are connected by the suture. Of course, the suture fixing member 208 can have various forms, and is not limited to the suture hole 103, but also can be a fixed ring or other structural forms.

[0044] In the embodiment of the present application, as shown in Figure 2 and Figure 3 , the locking mechanism includes an adjusting arm 209 and a locking member 210. The adjusting arm 209 is a rod-shaped structure, and the first end of the adjusting arm 209 is connected with the first bottom plate 201. The second end of the adjusting arm 209 is provided with a mounting hole, which can be a through hole or a blind hole. The locking member 210 is arranged in the mounting hole. In the locked state, the locking member 210 extends out of the mounting hole and abuts against the ratchet wheel 206; in the unlocked state, the locking member 210 is retracted into the mounting hole and separated from the ratchet wheel 206.

[0045] As shown in Figure 3 , in the locked state, the locking member 210 extends out of the mounting hole and abuts against the ratchet wheel 206, at this time the ratchet wheel 206 can only rotate clockwise and cannot rotate counterclockwise, thereby realizing the locking of the adjusting rod 202. In the unlocked state, the locking member 210 is retracted into the mounting hole and separated from the ratchet wheel 206, at this time the ratchet wheel 206 is no longer limited by the locking member 210 and can rotate clockwise or counterclockwise.

[0046] In the embodiment of the present application, the locking member 210 is a pin shaft in the embodiment, and the locking mechanism further includes a first elastic member, which is connected with the locking member 210 and the adjusting arm 209 respectively. The first elastic member is a compression spring or a tensile spring. The first elastic member is used to provide elastic force for the locking member 210 to switch from the unlocked state to the locked state, that is, the driving force for the locking member 210 to move from the position separated from the ratchet wheel 206 to the position abutting against the ratchet wheel 206 is provided by the first elastic member.

[0047] The first elastic member can be one of the following forms, which will be introduced as follows:

[0048] Form one:

[0049] The first elastic member is a compression spring. In order to facilitate the installation of the compression spring, a limiting step is arranged on the inner wall of the mounting hole. A limiting pin shaft is arranged on the end of the locking member 210 close to the ratchet wheel 206. The compression spring is sleeved on the locking member 210. The upper end of the compression spring abuts against the limiting step, and the lower end of the compression spring abuts against the limiting pin shaft. In the locked state, the first elastic member is in the initial state (not compressed) or the first compressed state. When the locking member 210 is pulled upward by hand, the first elastic member is further compressed to the second compressed state, the locking member 210 is separated from the ratchet wheel 206, and the adjusting rod 202 is in the unlocked state. When the locking member 210 is released, the locking member 210 moves downward and abuts against the ratchet wheel 206 under the elastic force of the first elastic member, and the adjusting rod 202 returns to the locked state.

[0050] Form two:

[0051] The first elastic member is a tensile spring. In order to facilitate the installation of the tensile spring, the adjusting arm 209 is provided with a first hook, and the locking member 210 is provided with a second hook away from the ratchet wheel 206. The upper end of the tensile spring is connected with the second hook, and the lower end of the tensile spring is connected with the first hook. In the locked state, the first elastic member is in the initial state (not stretched) or the first stretched state. When the locking member 210 is pulled upward by hand, the first elastic member is further stretched to the second stretched state, the locking member 210 is separated from the ratchet wheel 206, and the adjusting rod 202 is in the unlocked state. When the locking member 210 is released, the locking member 210 moves downward and abuts against the ratchet wheel 206 under the elastic force of the first elastic member, and the adjusting rod 202 returns to the locked state.

[0052] In the embodiment of the present application, as shown in Figure 3 The locking member 210 is a indexing pin, and the inner wall of the mounting hole is provided with a thread. The indexing pin is installed in the mounting hole through the thread. Since the locking member 210 is a separate component, the integration degree is high, compared with the combination of the pin shaft and the first elastic member in the above-mentioned embodiment, the use of the indexing pin can facilitate the installation and simplify the structure of the wound suturing device.

[0053] In the embodiment of the present application, as shown in Figure 2 and Figure 3 In the locked state, since the ratchet wheel 206 can only rotate axially in the first direction, in order to prevent excessive extrusion of the wound, the indexing pin can be pulled upward. At this time, the lower end of the indexing pin is separated from the ratchet wheel 206, the adjusting rod 202 is rotated axially in the second direction, and the sutures are loosened.

[0054] In order to facilitate the removal of the adjusting rod 202 for suture removal, a locking mechanism is provided, and the locking mechanism is opened to enable the adjusting arm 209 to drive the locking piece 210 to separate from the ratchet wheel 206, so that the adjusting rod 202 can be removed. The fixing mode of the adjusting arm 209 can be various, and in the embodiment, the first end of the adjusting arm 209 is hinged to the first bottom plate 201, and the second end of the adjusting arm 209 is provided with a clamping part 215 which is a horizontally arranged plane.

[0055] As shown in Figure 2 and Figure 3 , the locking mechanism further includes a locking component 211, and the locking component 211 includes a second fixing seat 212, a second elastic piece 213 and a clamping tongue 214. The second fixing seat 212 is arranged on the side of the first bottom plate 201 away from the skin, and the second fixing seat 212 is integrally formed with the first bottom plate 201. The lower end of the clamping tongue 214 is hinged to the second fixing seat 212 through a pin shaft, and the upper end of the clamping tongue 214 is used for clamping with the clamping part 215. The middle part of the clamping tongue 214 towards the second fixing seat 212 is provided with a first positioning blind hole, and the side of the second fixing seat 212 towards the clamping tongue 214 is provided with a second positioning blind hole. The second elastic piece 213 is a compression spring, one end of the second elastic piece 213 is inserted into the first positioning blind hole, and the other end of the second elastic piece 213 is inserted into the second positioning blind hole. The clamping tongue 214 is adapted to switch between a clamped state and a separated state. In the clamped state, the clamping tongue 214 is clamped with the clamping part 215, and at this time, the second elastic piece 213 is in an initial state (not compressed) or a first compressed state. In the separated state, the clamping tongue 214 is separated from the clamping part 215, and at this time, the second elastic piece 213 is in a second compressed state, and the second elastic piece 213 is further compressed.

[0056] When it is necessary to remove the adjusting rod 202 for suture removal, the clamping tongue 214 is separated from the clamping part 215 to release the locking of the adjusting arm 209, and the second end of the adjusting arm 209 is pulled upward so that the adjusting arm 209 can drive the locking piece 210 to separate from the ratchet wheel 206.

[0057] By arranging the second elastic piece 213, the clamping tongue 214 and the clamping part 215 can be more flexible in engagement and separation, and the clamping tongue 214 can be floatingly installed on the first bottom plate 201 to reserve a certain degree of activity instead of rigid connection. Such installation mode makes the engagement of the clamping tongue 214 and the clamping part 215 flexible, avoiding rigid impact during engagement and separation.

[0058] In the embodiment of the present application, Figure 4 one of the front structure schematic diagrams of the suture fixing assembly provided by the embodiment of the present application is shown as Figure 1 , Figure 2 and Figure 4As shown, the suture fixing assembly 100 comprises a second bottom plate 101, and a plurality of suture guides 102 are arranged on the side of the second bottom plate 101 away from the skin, and the suture guides 102 are arranged at intervals along the length direction of the second bottom plate 101. The suture guides 102 are used to make the suture move in a specified direction, and reduce the friction between the suture and the device when the suture is tensioned. The suture guide 102 can be a roller, and an annular groove is arranged on the outer circumferential surface of the roller. The suture is arranged in the annular groove, so that the suture can be prevented from being dislocated. The second bottom plate 101 is provided with a plurality of fixing members 104, and the rollers are installed on the fixing members 104 one by one through pins.

[0059] In the embodiment of the present application, a plurality of suture holes 103 are arranged on the side of the second bottom plate 101 close to the wound, and an opening is formed on the side of the second bottom plate 101 close to the wound and communicates with the suture hole 103. The opening is used to facilitate the suture to be inserted. In the embodiment, four suture holes 103 are arranged, and a suture guide 102 is arranged between every two adjacent suture holes 103.

[0060] In the embodiment of the present application, the first bottom plate 201 and the second bottom plate 101 are both rectangular plate structures, and the first bottom plate 201 and the second bottom plate 101 are respectively pressed on the two sides of the wound, so that the contact area with the skin is increased, and the tissue is prevented from being damaged due to the suture being too tight. Of course, the shapes of the first bottom plate 201 and the second bottom plate 101 are not limited to this, and other shapes can also be used.

[0061] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A wound suturing device, characterized in that, include: A suture fixation component is placed on one side of the wound; A suture tension adjustment assembly includes a first base plate disposed on the other side of the wound, a locking mechanism, and an adjustment rod rotatably disposed on the first base plate. The adjustment rod is connected to the suture fixing assembly via a suture. The adjustment rod is adapted to rotate axially in a first direction to put the suture in a tensioned state and to rotate axially in a second direction to put the suture in a relaxed state. The locking mechanism is connected to the first base plate and is adapted to switch between a locked state and an unlocked state. In the locked state, the locking mechanism locks the adjustment rod, and the adjustment rod can only rotate axially in the first direction. In the unlocked state, the locking mechanism releases the lock on the adjustment rod, and the adjustment rod can rotate axially in both the first and second directions. A ratchet is provided on the outer peripheral surface of the second end of the adjusting rod. The ratchet is used to cooperate with the locking mechanism to lock and unlock the adjusting rod. The middle part of the adjusting rod is provided with a plurality of suture fixing members for fixing the suture. The plurality of suture fixing members are spaced apart along the length direction of the adjusting rod. The suture fixing assembly includes a second base plate. On the side of the second base plate away from the skin, a plurality of suture guide members are provided. The plurality of suture guide members are spaced apart along the length direction of the second base plate.

2. The wound suturing device according to claim 1, characterized in that, A fixing component is provided on the side of the first base plate away from the skin, and the adjusting rod is rotatably engaged with the fixing component.

3. The wound suturing device according to claim 2, characterized in that, The fixing component includes a first fixing seat and a support groove. The first end of the adjusting rod is rotatably sleeved in the fixing hole of the first fixing seat, and the second end of the adjusting rod is rotatably locked in the support groove.

4. The wound suturing device according to any one of claims 1 to 3, characterized in that, The outer circumferential surface of the first end of the adjusting rod is provided with a marking plate, the outer circumferential surface of the marking plate is provided with a scale, the outer circumferential surface of the second end of the adjusting rod is provided with a ratchet, and the end of the second end of the adjusting rod is provided with a clamping part.

5. The wound suturing device according to any one of claims 1 to 3, characterized in that, The locking mechanism includes an adjusting arm and a locking member. The first end of the adjusting arm is connected to the first base plate, and the second end of the adjusting arm is provided with a mounting hole. The locking member is disposed in the mounting hole. In the locked state, the locking member extends out of the mounting hole and abuts against the ratchet. In the unlocked state, the locking member retracts into the mounting hole and separates from the ratchet.

6. The wound suturing device according to claim 5, characterized in that, The locking mechanism also includes: A first elastic element is connected to both the locking element and the adjusting arm. The first elastic element is either a compression spring or a tension spring.

7. The wound suturing device according to claim 5, characterized in that, The locking mechanism also includes: The locking component includes a second fixed seat, a second elastic element, and a latch. The second fixed seat is disposed on the side of the first base plate away from the skin. The latch is hinged to the second fixed seat. The second elastic element is connected to both the latch and the second fixed seat. The first end of the adjusting arm is hinged to the first base plate, and the second end of the adjusting arm is provided with a locking portion. The latch is adapted to switch between a locking state and a disengaged state. In the locking state, the latch engages with the locking portion. In the disengaged state, the latch separates from the locking portion.

8. The wound suturing device according to claim 7, characterized in that, The second base plate has multiple suture holes on the side closest to the wound.

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