Barb processing device

Abstract

The utility model belongs to the medical instrument processing technical field discloses a barb processing device, including frame, wiring mechanism, rotating mechanism and cutting mechanism. Wiring mechanism installs in frame, wiring mechanism sets up in the both ends of macromolecular raw material line, is used for controlling the tension and axial movement of macromolecular raw material line, rotating mechanism includes the rotating motor of installation in frame and the limiting board that rotates and is driven by rotating motor, macromolecular raw material line passes through rotating motor and slides and fits in the wire groove groove bottom of limiting board, cutting mechanism includes servo motor and the blade that is driven and reciprocating motion by servo motor, cutting mechanism and limiting board can be driven by rotating motor to rotate around macromolecular raw material line together, in the first visual angle, the movement direction of blade and macromolecular raw material line are set up with the included angle alpha, in the second visual angle, the movement direction of blade and macromolecular raw material line are set up with the included angle theta or parallel setting. The barb processing device of the utility model processes the cutting depth stability and is uniform.

Description

Technical Field

[0001] This utility model relates to the field of medical device processing technology, and in particular to a barb processing device. Background Technology

[0002] Surgical barbed sutures are a special type of suture material that allows wound closure without the need for knotting during the suturing process, greatly improving surgical efficiency, saving surgical time, and reducing surgical risks.

[0003] The working principle of surgical barbed sutures is based on the spiral or linear distribution of barbs on the suture surface. These barbs allow the suture to pass through human tissue in a specific direction without reversing its movement. This design is similar to a one-way valve, achieving self-anchoring through the contact and friction between the barbs and surrounding tissue. The self-anchoring property of the barbed suture allows it to firmly grip the tissue and maintain tension.

[0004] When using existing barb cutting devices to process barbs, there is a problem of unstable barb cutting depth, and the blade life of existing barb cutting devices is short, resulting in poor reliability. Utility Model Content

[0005] The purpose of this invention is to provide a barb processing device, which aims to solve the problem of unstable barb cutting depth when processing barbs in existing barb cutting devices, as well as the short blade life and poor reliability of existing barb cutting devices. The barb processing device of this invention can effectively control the barb cutting depth to be stable and uniform, can effectively and accurately control the blade pushing stroke, is not prone to wear and loosening, and improve the reliability of blade use.

[0006] To achieve this objective, the present invention adopts the following technical solution:

[0007] A barb processing device, comprising:

[0008] frame;

[0009] A wiring mechanism is installed on the frame and is located at both ends of the polymer raw material line. It is used to control the tension and axial movement of the polymer raw material line.

[0010] The rotating mechanism includes a rotary motor mounted on the frame and a limiting plate driven to rotate by the rotary motor. The polymer raw material line passes through the rotary motor and slides against the bottom of the groove of the limiting plate.

[0011] The cutting mechanism includes a servo motor and a blade that reciprocates driven by the servo motor, and the cutting mechanism is fixed in position relative to the rotating mechanism; wherein,

[0012] The cutting mechanism and the limiting plate can be driven by the rotary motor to rotate together around the polymer raw material line; at a first viewing angle, the movement direction of the blade is set at an angle α with the polymer raw material line, and at a second viewing angle, the movement direction of the blade is set at an angle θ with the polymer raw material line or is parallel to it.

[0013] In some possible implementations, during cutting, there is a cutting contact point between the blade and the polymer raw material line, and the cutting contact point is always located below the centerline of the blade.

[0014] In some possible implementations, the included angle α ranges from 20° to 40°, including two endpoint values; the included angle θ ranges from 20° to 40°, including two endpoint values.

[0015] In some possible implementations, the tension of the polymer raw material line is 0.5N-5N, including the values ​​at both ends.

[0016] In some possible implementations, the polymer raw material line is vertically arranged, the blade and the servo motor are connected by a first connecting plate, the plane where the blade is located is parallel to or on the same plane as the plane where the first connecting plate is located, at a first viewing angle, the movement direction of the blade is set at an angle α with the polymer raw material line, and at a second viewing angle, the movement direction of the blade is parallel to the axial direction of the polymer raw material line.

[0017] In some possible implementations, the blade and the servo motor are connected by a second connecting plate. The plane on which the blade is located intersects the plane on which the second connecting plate is located. From a first viewing angle, the direction of movement of the blade is set at an angle α with the polymer raw material line. From a second viewing angle, the direction of movement of the blade is set at an angle θ with the polymer raw material line.

[0018] In some possible implementations, the blade is rotatably mounted on the second connecting plate via a turntable structure.

[0019] In some possible implementations, a transducer is installed between the servo motor and the blade, and the output end of the transducer is connected to the blade through a third connecting plate. The transducer can drive the blade to vibrate, and the vibration direction of the transducer is perpendicular to the movement direction of the blade. At a first viewing angle, the movement direction of the blade is set at an angle α with the polymer raw material line, and at a second viewing angle, the movement direction of the blade is parallel to the axial direction of the polymer raw material line.

[0020] In some possible implementations, a cutting motor is also provided between the blade and the output end of the servo motor. The cutting motor is connected to the output end of the servo motor through a fourth connecting plate. The blade is mounted on the output end of the cutting motor. The cutting motor drives the blade to rotate. At a first viewing angle, the direction of movement of the blade is set at an angle α with the polymer raw material line. At a second viewing angle, the direction of movement of the blade is set at an angle θ with the polymer raw material line or is parallel to it.

[0021] In some possible implementations, the blade is configured as a circular structure.

[0022] The beneficial effects of this utility model are:

[0023] The barb processing device provided by this utility model has a wire feeding mechanism set at both ends of the polymer raw material line. The wire feeding mechanism can control the tension of the polymer raw material line. The rotary motor drives the limiting plate and the cutting mechanism to rotate around the polymer raw material line. The force applied to the polymer raw material line by the blade during cutting is consistent, and the cutting depth is stable and uniform. The servo motor drives the blade movement, which can effectively and accurately control the blade's pushing stroke, making it less prone to wear and loosening, maintaining cutting accuracy, and making the barb depth uniform and stable. Attached Figure Description

[0024] Figure 1 This is a three-dimensional view of the barb processing device (with the polymer raw material line arranged vertically) according to the first embodiment of this utility model.

[0025] Figure 2 This is a front view of the barb processing device (with the polymer raw material line arranged vertically) according to the first embodiment of this utility model.

[0026] Figure 3 This is a left-side view of the barb processing device (with the polymer raw material line arranged vertically) according to the first embodiment of this utility model.

[0027] Figure 4 This is a three-dimensional view of the barb processing device according to the second embodiment of this utility model;

[0028] Figure 5 This is a top view of the barb processing device (with the polymer raw material line arranged horizontally) according to the second embodiment of this utility model.

[0029] Figure 6 This is a right-side view of the barb processing device (with the polymer raw material line arranged horizontally) according to the second embodiment of this utility model.

[0030] Figure 7This is a front view of the barb processing device (with the polymer raw material line arranged vertically) according to the second embodiment of this utility model.

[0031] Figure 8 This is a left-side view of the barb processing device (with the polymer raw material line arranged vertically) according to the second embodiment of this utility model.

[0032] Figure 9 This is a three-dimensional view of the barb processing device according to the third embodiment of this utility model;

[0033] Figure 10 This is a front view of the barb processing device (with the polymer raw material line arranged horizontally) according to the third embodiment of this utility model (the left-side wiring mechanism is not shown).

[0034] Figure 11 This is a right-side view of the barb processing device (with the polymer raw material line arranged horizontally) according to the third embodiment of this utility model.

[0035] Figure 12 This is a left-side view of the barb processing device (with the polymer raw material line arranged vertically) according to the third embodiment of this utility model.

[0036] Figure 13 This is a three-dimensional view of the barb processing device according to the fourth embodiment of this utility model;

[0037] Figure 14 This is a front view of the barb processing device (with the polymer raw material line arranged horizontally) according to the fourth embodiment of this utility model (the left-side wiring mechanism is not shown).

[0038] Figure 15 This is a right-side view of the barb processing device (with the polymer raw material line arranged horizontally) according to the fourth embodiment of this utility model.

[0039] Figure 16 This is a left-side view of the barb processing device (with the polymer raw material line arranged vertically) according to the fourth embodiment of this utility model.

[0040] In the picture:

[0041] 100. Wire feeding mechanism; 200. Polymer raw material line; 300. Rotation mechanism; 310. Rotary motor; 320. Limiting plate; 400. Cutting mechanism; 410. Servo motor; 420. Blade; 430. First connecting plate; 440. Second connecting plate; 450. Transducer; 460. Third connecting plate; 470. Cutting motor; 480. Turntable structure; 490. Fourth connecting plate. Detailed Implementation

[0042] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0043] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0044] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0045] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0046] like Figures 1 to 16As shown, this embodiment provides a barb processing device, which includes a frame, a thread feeding mechanism 100, a rotating mechanism 300, and a cutting mechanism 400. The thread feeding mechanism 100 is mounted on the frame and is disposed at both ends of the polymer raw material thread 200, used to control the tension and axial movement of the polymer raw material thread 200. Exemplarily, in specific implementation, the thread feeding mechanism 100 can be disposed at the upper and lower ends or the left and right ends of the polymer raw material thread 200. That is, when the polymer raw material thread 200 is horizontally arranged, the thread feeding mechanism 100 is disposed at the left and right ends of the polymer raw material thread 200; when the polymer raw material thread 200 is vertically arranged, the thread feeding mechanism 100 is disposed at the upper and lower ends of the polymer raw material thread 200, as needed. The operation of the thread feeding mechanism 100 can be controlled by a program.

[0047] The rotating mechanism 300 includes a rotary motor 310 mounted on the frame and a limiting plate 320 rotated by the rotary motor 310. The polymer raw material thread 200 passes through the rotary motor 310 and slides against the bottom of the groove of the limiting plate 320. Preferably, the central axis of the rotary motor 310 and the central axis of the limiting plate 320 coincide, and the polymer raw material thread 200 passes through both the central axis of the rotary motor 310 and the central axis of the limiting plate 320 and slides against the bottom of the groove of the limiting plate 320. The cutting mechanism 400 includes a servo motor 410 and a blade 420 that reciprocates driven by the servo motor 410. The cutting mechanism 400 is fixed in position relative to the rotating mechanism 300. The cutting mechanism 400 and the limiting plate 320 can be driven by the rotating motor 310 to rotate together around the polymer raw material line 200. At a first viewing angle, the movement direction of the blade 420 is set at an angle α with the polymer raw material line 200. At a second viewing angle, the movement direction of the blade 420 is set at an angle θ with the polymer raw material line 200 or parallel to it. Optionally, the servo motor 410 is mounted to the limiting plate 320 by a fastener, which can be a threaded component. The first viewing angle is a side view, such as a left-side or right-side view. The second viewing angle is a frontal or top-down view.

[0048] The barb processing device provided in this embodiment has a wire feeding mechanism 100 located at both ends of the polymer raw material wire 200. The wire feeding mechanism 100 can control the tension of the polymer raw material wire 200. The rotary motor 310 drives the limiting plate 320 and the cutting mechanism 400 to rotate around the polymer raw material wire 200. When the blade 420 cuts, the force applied to the polymer raw material wire 200 is consistent, and the cutting depth is stable and uniform. The servo motor 410 drives the blade 420 to move, which can effectively and accurately control the pushing stroke of the blade 420, making it less prone to wear and loosening, improving the reliability of the blade 420, maintaining cutting accuracy, and further making the barb depth uniform and stable.

[0049] Preferably, a cutting contact point exists between the blade 420 and the polymer raw material line 200, and this cutting contact point is always located below the centerline of the blade 420. That is, the blade 420 must never be located below the polymer raw material line 200. This arrangement avoids inconsistent force applied by the blade 420 to the polymer raw material line 200 due to gravity. It should be noted that, in this embodiment, "below the centerline of the blade 420" refers to either diagonally below or directly below the centerline of the blade 420.

[0050] See Figures 1 to 3 In one embodiment, the polymer raw material line 200 is vertically arranged, and the blade 420 and the servo motor 410 are connected via a first connecting plate 430. The blade is, for example, clamped on the first connecting plate 430. The plane containing the blade 420 is parallel to or on the same plane as the plane containing the first connecting plate 430. Figure 3 As shown, from the first perspective, i.e., the left-side view of the barb processing device, the movement direction of the blade 420 is set at an angle α with the polymer raw material line 200, as... Figure 2 As shown, from the second perspective, i.e., the front view of the barb processing device, the movement direction of the blade 420 is parallel to the axis of the polymer raw material line 200. When the polymer raw material line 200 is arranged vertically, the rotary motor 310 can drive the limiting plate 320 and the cutting mechanism 400 to rotate around the polymer raw material line 200. Regardless of the direction, the force applied by the blade 420 to the polymer raw material line 200 during cutting is consistent. That is, the blade 420 can perform cutting actions on the polymer raw material line 200 in any 360-degree direction, and the force applied by the blade 420 to the polymer raw material line 200 will not be inconsistent due to gravity, resulting in a stable and uniform barb cutting depth.

[0051] like Figures 4 to 8 As shown, in another embodiment, the polymer raw material line 200 can be arranged vertically or horizontally. The blade 420 and the servo motor 410 are connected through the second connecting plate 440, and the plane where the blade 420 is located intersects the plane where the second connecting plate 440 is located to a certain extent. When the polymer raw material line 200 is arranged horizontally, at the first viewing angle, see... Figure 6 From the right-side view of the barb processing device, the movement direction of the blade 420 is set at an angle α with the polymer raw material line 200. From the second viewpoint, see... Figure 5 From the top-down view of the barb processing device, the movement direction of the blade 420 is set at an angle θ to the polymer raw material line 200. When the polymer raw material line 200 is vertically set, at the first viewing angle, see... Figure 8 From the left-hand view of the barb processing device, the movement direction of the blade 420 is set at an angle α with the polymer raw material line 200. From the second viewpoint, see... Figure 7In this embodiment, from the perspective of the barb processing device, the movement direction of the blade 420 is set at an angle θ with the polymer raw material line 200. In this configuration, the blade 420 performs an inclined cut on the polymer raw material line 200. With this arrangement, the force direction on the blade 420 forms an acute angle with the cutting edge, minimizing damage to the blade. The cutting edge of the blade 420 and the polymer raw material line 200 have radial relative sliding, resulting in a longer cutting distance, a larger contact area, higher blade utilization, a smoother and more even cut, and a more uniform and stable barb depth.

[0052] Optionally, the blade 420 is rotatably mounted on the second connecting plate 440 via a turntable structure 480. Rotating the turntable structure 480 allows adjustment of the angle between the plane containing the blade 420 and the plane containing the second connecting plate 440, improving usability. For example, the turntable structure 480 may include a turntable and a shaft. The turntable is rotatably mounted on the second connecting plate 440 via the shaft, and the blade 420 is mounted on the turntable. Once the position of the blade 420 is determined, a locking member secures the turntable to the second connecting plate 440. For instance, the locking member may be a threaded component, with multiple threaded holes evenly distributed circumferentially on the turntable, and multiple mounting holes correspondingly provided on the second mounting plate. The threaded component is screwed through the threaded holes and the corresponding mounting holes.

[0053] like Figures 9 to 12 As shown, in another embodiment, the polymer raw material line 200 can be arranged vertically or horizontally. A transducer 450 is installed between the servo motor 410 and the blade 420. The output end of the transducer 450 is connected to the blade 420 through a third connecting plate 460. The transducer 450 can drive the blade 420 to vibrate, and the vibration direction of the transducer 450 is perpendicular to the movement direction of the blade 420. When the polymer raw material line 200 is arranged horizontally, at the first viewing angle, see... Figure 11 From the right-side view of the barb processing device, the movement direction of the blade 420 is set at an angle α with the polymer raw material line 200. From the top-down view of the barb processing device, the movement direction of the blade 420 is parallel to the axis of the polymer raw material line 200. When the polymer raw material line 200 is vertically set, from the first view, see... Figure 12 From the left-hand view of the barb processing device, the movement direction of the blade 420 is set at an angle α with the polymer raw material line 200. From the second view, i.e., the front view of the barb processing device, the movement direction of the blade 420 is parallel to the axis of the polymer raw material line 200. The high-frequency vibration generated by the transducer 450 drives the blade 420 to cut, resulting in a smoother cut without leaving burrs or rough edges. This reduces the sharpness requirement of the blade 420 and effectively ensures the integrity of the barb tip.

[0054] like Figures 13 to 16As shown, in another embodiment, the polymer raw material line 200 can be arranged vertically or horizontally. A cutting motor 470 is also provided between the blade 420 and the output end of the servo motor 410. The output end of the cutting motor 470 and the servo motor 410 are connected through a fourth connecting plate 490. The blade 420 is mounted on the output end of the cutting motor 470, and the cutting motor 470 drives the blade 420 to rotate. When the polymer raw material line 200 is arranged horizontally, at the first viewing angle, see... Figure 15 From the right-side view of the barb processing device, the movement direction of the blade 420 is set at an angle α with the polymer raw material line 200. From the top-down view of the barb processing device, the movement direction of the blade 420 is parallel to the polymer raw material line 200. When the polymer raw material line 200 is vertically aligned, from the first view, see... Figure 16 From the left-hand view of the barb processing device, the movement direction of the blade 420 is set at an angle α with the polymer raw material line 200. From the front-hand view of the barb processing device, the movement direction of the blade 420 is parallel to the polymer raw material line 200. The blade 420 is driven to rotate by the cutting motor 470, effectively increasing the contact area of ​​the blade 420 during cutting, maximizing the utilization rate of the blade's cutting edge, and thus improving the durability of the blade 420, ensuring long-term uniform and stable barb cutting. Preferably, the blade 420 is a circular structure. A circular blade 420 is easier to process and reduces manufacturing costs.

[0055] Optionally, the included angle α ranges from 20° to 40°, including both endpoints; the included angle θ ranges from 20° to 40°, including both endpoints; and the tension of the polymer raw material line 200 is 0.5N to 5N, including both endpoints. In actual implementation, the specific parameters of the included angle α, included angle θ, and tension of the polymer raw material line 200 can be set as needed.

[0056] The cutting steps of the barb processing device in this embodiment include:

[0057] S1. The threading mechanism 100 controls the polymer raw material thread 200 to be in a taut state and maintains a uniform tension of 0.5N-5N (including the two end values);

[0058] S2. The servo motor 410 drives the blade 420 to move so that its front end contacts the polymer raw material line 200 and cuts a slit in the polymer raw material line 200.

[0059] S3, servo motor 410 drives blade 420 to move and return it to its initial position;

[0060] S4. The wiring mechanism 100 controls the polymer raw material line 200 to move forward a certain distance and then keep it stationary, adjusting the tension of the polymer raw material line 200.

[0061] S5. The rotary motor 310 drives the cutting mechanism 400 and the limiting plate 320 to rotate around the polymer raw material line 200 at a suitable angle.

[0062] S6. The servo motor 410 drives the blade 420 to move so that its front end contacts the polymer raw material line 200 and cuts a slit in the polymer raw material line 200.

[0063] S7. Servo motor 410 drives blade 420 to move and return it to its initial position. Repeat steps S4-S6.

[0064] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A barb processing device, characterized in that, include: frame; A wiring mechanism (100) is installed on the frame and is located at both ends of the polymer raw material line (200) to control the tension and axial movement of the polymer raw material line (200). The rotating mechanism (300) includes a rotating motor (310) mounted on the frame and a limiting plate (320) driven to rotate by the rotating motor (310). The polymer raw material line (200) passes through the rotating motor (310) and slides against the bottom of the groove of the limiting plate (320). A cutting mechanism (400) includes a servo motor (410) and a blade (420) reciprocating under the drive of the servo motor (410). The cutting mechanism (400) is fixed in position relative to the rotating mechanism (300). The cutting mechanism (400) and the limiting plate (320) can be driven by the rotary motor (310) to rotate together around the polymer raw material line (200); at a first viewing angle, the movement direction of the blade (420) is set at an angle α with the polymer raw material line (200), and at a second viewing angle, the movement direction of the blade (420) is set at an angle θ with the polymer raw material line (200) or parallel to it.

2. The barb processing device according to claim 1, characterized in that, During cutting, there is a cutting contact point between the blade (420) and the polymer raw material line (200), and the cutting contact point is always located below the center line of the blade (420).

3. The barb processing device according to claim 1, characterized in that, The included angle α ranges from 20° to 40°, including two endpoint values; the included angle θ ranges from 20° to 40°, including two endpoint values.

4. The barb processing device according to claim 1, characterized in that, The tension of the polymer raw material line (200) is 0.5N-5N, including the values ​​at both ends.

5. The barb processing apparatus according to any one of claims 1-4, characterized in that, The polymer raw material line (200) is vertically arranged. The blade (420) and the servo motor (410) are connected by a first connecting plate (430). The plane where the blade (420) is located is parallel to or on the same plane as the plane where the first connecting plate (430) is located. At a first viewing angle, the movement direction of the blade (420) is set at an angle α with the polymer raw material line (200). At a second viewing angle, the movement direction of the blade (420) is parallel to the axial direction of the polymer raw material line (200).

6. The barb processing apparatus according to any one of claims 1-4, characterized in that, The blade (420) and the servo motor (410) are connected by a second connecting plate (440). The plane where the blade (420) is located intersects the plane where the second connecting plate (440) is located. From a first perspective, the direction of movement of the blade (420) is set at an angle α with the polymer raw material line (200). From a second perspective, the direction of movement of the blade (420) is set at an angle θ with the polymer raw material line (200).

7. The barb processing device according to claim 6, characterized in that, The blade (420) is rotatably mounted on the second connecting plate (440) via a turntable structure (480).

8. The barb processing apparatus according to any one of claims 1-4, characterized in that, A transducer (450) is installed between the servo motor (410) and the blade (420). The output end of the transducer (450) is connected to the blade (420) through a third connecting plate (460). The transducer (450) can drive the blade (420) to vibrate. The vibration direction of the transducer (450) is perpendicular to the movement direction of the blade (420). At a first viewing angle, the movement direction of the blade (420) is set at an angle α with the polymer raw material line (200). At a second viewing angle, the movement direction of the blade (420) is parallel to the axial direction of the polymer raw material line (200).

9. The barb processing apparatus according to any one of claims 1-4, characterized in that, A cutting motor (470) is also provided between the blade (420) and the output end of the servo motor (410). The cutting motor (470) and the output end of the servo motor (410) are connected through a fourth connecting plate (490). The blade (420) is installed on the output end of the cutting motor (470). The cutting motor (470) drives the blade (420) to rotate. At a first viewing angle, the direction of movement of the blade (420) is set at an angle α with the polymer raw material line (200). At a second viewing angle, the direction of movement of the blade (420) is set at an angle θ with the polymer raw material line (200) or is parallel to it.

10. The barb processing device according to claim 9, characterized in that, The blade (420) is configured as a circular structure.

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