An absorbable suture coating device

Abstract

The utility model discloses a kind of absorbable suture coating devices, it is related to suture technical field, including connecting frame, it further includes placing frame, auxiliary wheel, transmission rod, transmission motor, threaded rod, threaded tube, moving frame, mounting bracket, reinforcing plate, lower press roll and control mechanism, placing frame is installed in the inside of connecting frame, auxiliary wheel is rotatably connected in placing frame, two groups of transmission rod are rotatably connected in connecting frame, transmission motor is installed on the upper surface of connecting frame, the output end of transmission motor is arranged in the transmission rod top end located at top, threaded rod is installed in transmission rod inner end, threaded tube is screw-connected on the outer surface of threaded rod, moving frame is installed on the outer surface of threaded tube, mounting bracket is installed on the lower surface of moving frame, the utility model is used to solve the gap between suture and coating brush in prior art, to cause the problem that part position on suture surface is difficult to adhere coating.

Description

Technical Field

[0001] This utility model relates to the field of suture technology, and in particular to an absorbable suture coating device. Background Technology

[0002] The production of absorbable sutures generally involves spinning, stretching, and heat-setting copolymers to obtain monofilament fibers, which are then braided, coated, joined with needle and thread, packaged, and sterilized to produce absorbable medical sutures. The first step is to use an automatic braiding machine for braiding, and the main subsequent process is the coating process, which requires the use of a coating device.

[0003] Existing coating devices mount a coating brush on the path of the suture line, which is then moved along a guide wheel to apply the coating. However, gaps exist between the suture line and the coating brush, making it difficult for the coating to adhere to certain areas of the suture line surface.

[0004] The coating device described above has a gap between the suture and the coating brush, which makes it difficult for the coating to adhere to some parts of the suture surface, thus reducing the effectiveness of the device. Utility Model Content

[0005] The purpose of this invention is to provide an absorbable suture coating device to solve the problem that there is a gap between the suture and the coating brush, which makes it difficult for the coating to adhere to some parts of the suture surface.

[0006] To achieve this objective, the present invention adopts the following technical solution: an absorbable suture coating device, including a connecting frame, and further including a placement frame, auxiliary wheels, a transmission rod, a transmission motor, a threaded rod, a threaded tube, a movable frame, a mounting frame, a reinforcing plate, a lower pressure roller, and a control mechanism;

[0007] The placement frame is installed inside the connecting frame. An auxiliary wheel is rotatably connected inside the placement frame. Two sets of transmission rods are rotatably connected inside the connecting frame. A transmission motor is installed on the upper surface of the connecting frame. The output end of the transmission motor passes through the top of the transmission rod located at the top. A threaded rod is installed on the inner end of the transmission rod. A threaded tube is threadedly connected to the outer surface of the threaded rod. The moving frame is installed on the outer surface of the threaded tube. An installation frame is installed on the lower surface of the moving frame. A reinforcing plate is installed on the upper surface of the installation frame. A lower pressure roller is rotatably connected to the lower surface of the installation frame. The control mechanism is located on the upper surface of the connecting frame.

[0008] In a preferred embodiment of the absorbable suture coating device of this utility model, in order to better control the forward or reverse rotation of the drive motor, the control mechanism includes a controller and a time relay, the controller being installed on the upper surface of the connecting frame, and the time relay being installed on the upper surface of the connecting frame.

[0009] In a preferred embodiment of the absorbable suture coating device of this utility model, in order to prevent the threaded tube from getting stuck on the surface of the threaded rod, the output terminal of the time relay is electrically connected to the input terminal of the controller, and the output terminal of the controller is electrically connected to the input terminal of the drive motor.

[0010] In a preferred embodiment of the absorbable suture coating device of this utility model, in order to reduce the waste of coating liquid, a collection box is installed inside the connecting frame, a notch is opened on the side of the collection box, and a material pump is installed on the back of the connecting frame.

[0011] In a preferred embodiment of the absorbable suture coating device of this utility model, in order to accelerate the spraying speed of the device, the output end and input end of the material pump are respectively equipped with a discharge pipe and a feed pipe, and the outer surface of the feed pipe penetrates through the connecting frame.

[0012] In a preferred embodiment of the absorbable suture coating device of this utility model, in order to make the spraying action of the device more continuous, the front end of the feed tube passes through the interior of the placement frame, and the outer surface of the discharge tube passes through the connection frame.

[0013] In a preferred embodiment of the absorbable suture coating device of this utility model, in order to collect the coating liquid, the outer surface of the discharge pipe extends through the interior of the collection box, and the inner end of the discharge pipe is connected to a spray pipe.

[0014] In a preferred embodiment of the absorbable suture coating device of this utility model, in order to reduce the residue of coating liquid inside the collection box, an inclined plate is installed inside the collection box, a collection tube is connected to the lower surface of the collection box, and the bottom end of the collection tube is connected to the side of the placement frame.

[0015] In a preferred embodiment of the absorbable suture coating device of this utility model, in order to better guide the suture, a first guide wheel is installed inside the connecting frame, a fixing block is installed inside the connecting frame, and a first spring is installed inside the fixing block.

[0016] In a preferred embodiment of the absorbable suture coating device of this utility model, in order to prevent the device from causing wear to the suture, a buffer strip is installed at the bottom end of the first spring, the buffer strip is slidably connected to the fixed block, and a second guide wheel is installed on the lower surface of the buffer strip.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. In this utility model, the threaded tube moves up and down along the threaded rod, causing the lower pressure roller to repeatedly immerse the suture thread into the coating liquid. Compared with the direct brushing of the prior art, this device can completely immerse the surface of the suture thread into the coating liquid, thus increasing the contact area between the suture thread and the coating liquid.

[0019] 2. In this utility model, the coating liquid is sprayed out along the spray pipe by the material pump to spray the suture. Compared with the existing technology of coating by brushing, this device can perform preliminary spraying on the suture, preventing some areas of the suture surface from being difficult to adhere, thus improving the effectiveness of the device. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] The structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and purposes that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0022] Figure 1 This is a schematic diagram of the overall structure of an absorbable suture coating device.

[0023] Figure 2 This is a vertical cross-sectional view of the overall structure of an absorbable suture coating device.

[0024] Figure 3 This is a schematic diagram of the combined structure of a collection tube and a placement frame in an absorbable suture coating device.

[0025] Figure 4 This is a schematic diagram of the mating structure of a threaded rod and a threaded tube in an absorbable suture coating device.

[0026] Figure 5 This is an exploded view of the structure of a fixing block and a buffer strip in an absorbable suture coating device.

[0027] Figure 6 This is an exploded view of the mounting plate and mounting pin mating structure in an absorbable suture coating device.

[0028] Illustration: 1. Connecting frame; 2. Placement frame; 3. Auxiliary wheel; 4. Transmission rod; 5. Transmission motor; 6. Threaded rod; 7. Threaded tube; 8. Moving frame; 9. Mounting frame; 10. Reinforcing plate; 11. Lower pressure roller; 12. Collection box; 13. Notch; 14. Material pump; 15. Discharge pipe; 16. Inlet pipe; 17. Spray pipe; 18. Collection pipe; 19. First guide wheel; 20. Controller; 21. Time relay; 22. Fixing block; 23. First spring; 24. Buffer strip; 25. Second guide wheel; 26. Mounting plate; 27. Mounting pin; 28. Second spring; 29. ​​Buffer rod; 30. Guide roller. Detailed Implementation

[0029] To make the utility model's objectives, features, and advantages more apparent and understandable, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.

[0030] In the description of this utility model, it should be understood that the terms "upper," "lower," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, 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, and therefore should not be construed as a limitation of this utility model. It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be a component centrally located at the same time.

[0031] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0032] like Figures 1-6 As shown, this utility model embodiment provides an absorbable suture coating device, including a connecting frame 1, a placement frame 2, an auxiliary wheel 3, a transmission rod 4, a transmission motor 5, a threaded rod 6, a threaded tube 7, a moving frame 8, a mounting frame 9, a reinforcing plate 10, a lower pressure roller 11, and a control mechanism;

[0033] like Figure 3 and Figure 4As shown, the placement frame 2 is installed inside the connecting frame 1. An auxiliary wheel 3 is rotatably connected inside the placement frame 2. Two sets of transmission rods 4 are rotatably connected inside the connecting frame 1. A transmission motor 5 is installed on the upper surface of the connecting frame 1. The transmission motor 5 is a forward and reverse motor. The output end of the transmission motor 5 passes through the top of the transmission rod 4 located at the top. A threaded rod 6 is installed on the inner end of the transmission rod 4. A threaded tube 7 is threadedly connected to the outer surface of the threaded rod 6. A moving frame 8 is installed on the outer surface of the threaded tube 7. A mounting frame 9 is installed on the lower surface of the moving frame 8. A reinforcing plate 10 is installed on the upper surface of the mounting frame 9. A lower pressure roller 11 is rotatably connected to the lower surface of the mounting frame 9. When the lower pressure roller 11 immerses the suture thread into the coating liquid, the lower pressure roller 11 can rotate with the movement of the suture thread. The control mechanism is set on the upper surface of the connecting frame 1.

[0034] like Figure 2 As shown, the control mechanism includes a controller 20 and a time relay 21. The controller 20 is mounted on the upper surface of the connecting frame 1, and the time relay 21 is mounted on the upper surface of the connecting frame 1. The output terminal of the time relay 21 is electrically connected to the input terminal of the controller 20, and the output terminal of the controller 20 is electrically connected to the input terminal of the drive motor 5. By setting the time on the time relay 21, the controller 20 can adjust the forward and reverse rotation of the drive motor 5 to prevent the threaded tube 7 from slipping when it moves along the threaded rod 6.

[0035] like Figure 3 As shown, a collection box 12 is installed inside the connecting frame 1. A notch 13 is opened on the side of the collection box 12. A material pump 14 is installed on the back of the connecting frame 1. A discharge pipe 15 and a feed pipe 16 are installed at the output end and input end of the material pump 14, respectively. The outer surface of the feed pipe 16 penetrates the inside of the connecting frame 1. The front end of the feed pipe 16 penetrates the inside of the placement frame 2. The outer surface of the discharge pipe 15 penetrates the inside of the connecting frame 1. The outer surface of the discharge pipe 15 penetrates the inside of the collection box 12. The inner end of the discharge pipe 15 is connected to a spray pipe 17. An inclined plate is installed inside the collection box 12. The inclined plate is higher on the left and lower on the right, tilting from left to right. A collection pipe 18 is connected to the lower surface of the collection box 12. The bottom end of the collection pipe 18 is connected to the side of the placement frame 2.

[0036] It should be noted that the material pump 14, drive motor 5, controller 20 and time relay 21 all require an external power supply. The material pump 14 and drive motor 5 are controlled to start and stop by an external single-control switch.

[0037] like Figure 5As shown, a first guide wheel 19 is installed inside the connecting frame 1, a fixing block 22 is installed inside the connecting frame 1, a first spring 23 is installed inside the fixing block 22, a buffer strip 24 is installed at the bottom end of the first spring 23, the buffer strip 24 is slidably connected inside the fixing block 22, and a second guide wheel 25 is installed on the lower surface of the buffer strip 24. When the lower pressure roller 11 presses the suture line downward, the second guide wheel 25 will move downward under the action of the first spring 23, so that the suture line is always in a taut state, preventing the suture line from slipping out of the second guide wheel 25 during the movement.

[0038] In this embodiment, as Figure 1 and Figure 6 As shown, a mounting plate 26 is slidably connected inside the connecting frame 1. A mounting pin 27 is threaded through the side of the connecting frame 1. One end of the mounting pin 27, which is threaded through the connecting frame 1, is threaded into the mounting plate 26. A second spring 28 is installed inside the mounting plate 26. A buffer rod 29 is installed at the inner end of the second spring 28. The buffer rod 29 is threaded into the mounting plate 26. A guide roller 30 is installed at the inner end of the buffer rod 29. There are two sets of mounting plates 26, which are respectively set on the left and right sides of the connecting frame 1. The two sets of mounting plates 26 are installed with the left side upside down and the right side upside down.

[0039] It should be noted that the damping coefficient of the second spring 28 is relatively large. Therefore, the guide roller 30 on the left side will not pull the second spring 28 on the left side downward under normal circumstances. The application scenario of this device is that the left side is equipped with external thread feeding equipment and the right side is equipped with equipment for subsequent processes. Thus, the sewing thread can move along the inside of the device. Bolts are threaded through the outer surfaces of the fixing block 22 and the mounting plate 26. These bolts are used to adjust and fix the guide roller 30 and the second guide wheel 25. An adjustment window is opened on the back of the connecting frame 1. This window can be used to adjust the guide roller 30 and the second guide wheel 25 and fix them with bolts. It is equivalent to the first spring 23 and the second spring 28 contracting through the sewing thread after the sewing thread passes through the guide roller 30 and the second guide wheel 25 and is tightened, adjusting the guide roller 30 and the second guide wheel 25 to the corresponding position through the sewing thread. Then, the bolts limit them to prevent the first spring 23 and the second spring 28 from vibrating slightly during the movement of the sewing thread.

[0040] Working principle: Before threading the suture, the internal parts of the device that come into direct contact with it need to be disinfected. The coating liquid is poured into the placement frame 2, ensuring the liquid level is in the middle of the auxiliary wheel 3. The two sets of mounting plates 26 are slid into the connecting frame 1, with the left mounting plate 26 installed upside down and the right mounting plate 26 installed upright. The mounting pin 27 is inserted through the connecting frame 1 into the mounting plate 26, and then rotated clockwise to fix the mounting plate 26 in place within the connecting frame 1. The suture is then threaded from left to right onto the guide roller 30 located on the left side. The outer surfaces of the first guide wheel 19 on the left, the first guide wheel 19 on the right, the second guide wheel 25 on the left, the second guide wheel 25 on the right, and the guide roller 30 on the right are in contact. The stitching part on the inner side of the two sets of first guide wheels 19 passes through the notch 13 and enters the collection box 12. The stitching part on the inner side of the two sets of second guide wheels 25 passes through the outer surface of the auxiliary wheel 3 and enters the placement frame 2, so that the stitching part enters the coating liquid and sets the time relay 21.

[0041] After being pulled by external thread feeding equipment and subsequent process equipment, the suture thread moves from left to right along the first guide wheel 19, the second guide wheel 25, the auxiliary wheel 3 and the guide roller 30. The material pump 14 is started. The material pump 14 draws out the coating liquid in the placement frame 2 through the feed pipe 16 and sprays it out through the spray pipe 17 along the discharge pipe 15 to perform preliminary coating on the suture thread. After spraying, the excess coating liquid flows to the right along the inclined plate and enters the placement frame 2 along the collection pipe 18, so that the coating liquid in the placement frame 2 is drawn away by the feed pipe 16 to form a cycle.

[0042] Meanwhile, the suture continues to move to the right and immerse itself in the coating liquid. The drive motor 5 is started, and the output end of the drive motor 5 rotates, which drives the drive rod 4 to rotate. The rotation of the drive rod 4 drives the threaded rod 6 to rotate, causing the threaded tube 7 to move downward along the threaded rod 6. The downward movement of the threaded tube 7 drives the moving frame 8 to move downward. The downward movement of the moving frame 8 drives the mounting frame 9 to move downward. The downward movement of the mounting frame 9 drives the lower pressure roller 11 to move downward, so that the lower pressure roller 11 contacts the suture and rotates with it. The lower pressure roller 11 pushes the suture above the placement frame 2 into the coating liquid for immersion. At this time, the second guide wheel 25 will move downward with the movement of the suture under the action of the first spring 23.

[0043] When the time relay 21 expires, it transmits an electrical signal to the controller 20. The controller 20 then controls the drive motor 5 to reverse, causing the drive rod 4 to reverse, which in turn drives the threaded rod 6 to reverse, lifting the moving frame 8 upward. The upward movement of the moving frame 8 then moves the mounting frame 9 upward, which in turn moves the lower pressure roller 11 upward, causing the stitching thread to extend from inside the coating liquid. The time relay 21 and the controller 20 adjust the drive motor 5 to rotate forward and backward, repeatedly dipping the stitching thread in the coating liquid. This increases the contact area between the stitching thread and the coating liquid, filling in areas not covered by the spray nozzle 17. Finally, the stitching thread moves out of the device along the guide roller 30 on the right side for the next processing step.

[0044] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. An absorbable suture coating device, comprising a connecting frame (1), characterized in that, Also includes: Placement frame (2), the placement frame (2) is installed inside the connecting frame (1), and an auxiliary wheel (3) is rotatably connected inside the placement frame (2); Transmission rod (4), two sets of transmission rods (4) are rotatably connected in the connecting frame (1), a transmission motor (5) is installed on the upper surface of the connecting frame (1), the output end of the transmission motor (5) passes through the top of the transmission rod (4) located at the top, a threaded rod (6) is installed on the inner end of the transmission rod (4), and a threaded tube (7) is threadedly connected to the outer surface of the threaded rod (6). A movable frame (8) is installed on the outer surface of the threaded tube (7). A mounting frame (9) is installed on the lower surface of the movable frame (8). A reinforcing plate (10) is installed on the upper surface of the mounting frame (9). A lower pressure roller (11) is rotatably connected to the lower surface of the mounting frame (9). A control mechanism is disposed on the upper surface of the connecting frame (1).

2. The absorbable suture coating device as described in claim 1, characterized in that: The control mechanism includes: A controller (20) is mounted on the upper surface of the connecting frame (1); A time relay (21) is mounted on the upper surface of the connecting frame (1).

3. The absorbable suture coating device as described in claim 2, characterized in that: The output terminal of the time relay (21) is electrically connected to the input terminal of the controller (20), and the output terminal of the controller (20) is electrically connected to the input terminal of the drive motor (5).

4. The absorbable suture coating device as described in claim 1, characterized in that: A collection box (12) is installed inside the connecting frame (1), and a notch (13) is opened on the side of the collection box (12). A material pump (14) is installed on the back of the connecting frame (1).

5. The absorbable suture coating device as described in claim 4, characterized in that: The output end and input end of the material pump (14) are respectively equipped with a discharge pipe (15) and a feed pipe (16), and the outer surface of the feed pipe (16) penetrates the connecting frame (1).

6. The absorbable suture coating device as described in claim 5, characterized in that: The front end of the feed tube (16) passes through the interior of the placement frame (2), and the outer surface of the discharge tube (15) passes through the interior of the connecting frame (1).

7. The absorbable suture coating device as described in claim 5, characterized in that: The outer surface of the discharge pipe (15) extends through the interior of the collection box (12), and the inner end of the discharge pipe (15) is connected to the spray pipe (17).

8. The absorbable suture coating device as described in claim 7, characterized in that: An inclined plate is installed inside the collection box (12), and a collection tube (18) is connected to the lower surface of the collection box (12). The bottom end of the collection tube (18) is connected to the side of the placement frame (2).

9. The absorbable suture coating device as described in claim 1, characterized in that: The connecting frame (1) is equipped with a first guide wheel (19), a fixing block (22) is installed inside the connecting frame (1), and a first spring (23) is installed inside the fixing block (22).

10. The absorbable suture coating device as described in claim 9, characterized in that: A buffer bar (24) is installed at the bottom end of the first spring (23). The buffer bar (24) is slidably connected to the fixed block (22). A second guide wheel (25) is installed on the lower surface of the buffer bar (24).

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