Z-shaped injection needle tube bending device

Abstract

The utility model discloses a Z -shaped injection needle tube bending device, through setting drive mechanism one, drive mechanism two, mounting mechanism, pressure mechanism and bending module, the needle seat of injection needle tube is located in upper installation module and lower installation module, drive mechanism one drive installation module removes to right, makes needle tube part to enter the through -hole of bending module, and then starts drive mechanism two drive bending module and removes to the back and carries out the bending. The utility model discloses simple structure, convenient operation, bending precision is high, can realize multiple injection needle tube bending simultaneously, and the appearance of injection needle tube after bending exists higher consistency, can use the bending of multiple specifications's injection needle tube, improves the repeat utilization of device.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically to a bending device for a Z-shaped injection needle tube in a component tee connector of a platelet-rich plasma and thrombin solution mixing device. Background Technology

[0002] In the medical field, it is often necessary to prepare platelet-rich plasma (PRP) gel from PRP and thrombin solution. Currently, an important component in the commonly used PRP and thrombin solution mixing device in the preparation of PRP gel is the T-connector. One method of manufacturing the T-connector involves combining a T-connector shell and two Z-shaped injection tubes. This places high demands on the shape and size of the Z-shaped injection tubes to ensure the smooth assembly of the T-connector shell and Z-shaped injection tubes during the assembly process.

[0003] Existing Z-shaped injection needle bending devices have low bending accuracy and cannot bend multiple injection needles, thus reducing work efficiency. Therefore, this application is proposed. Utility Model Content

[0004] The purpose of this utility model is to provide a Z-shaped injection needle bending device. By setting a drive mechanism 1, a drive mechanism 2, a mounting mechanism, a clamping mechanism and a bending module on the base, multiple injection needles can be bent synchronously. The bending accuracy is high, the structure is simple and the operation is convenient, which solves the problems existing in the prior art.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following solution:

[0006] A Z-shaped injection needle bending device includes a base, a first drive mechanism, a second drive mechanism, a mounting mechanism, a clamping mechanism, and a bending module. The first drive mechanism and the second drive mechanism are respectively located on the surface of the base. The mounting mechanism includes an upper mounting module and a lower mounting module. The upper mounting module is located above the lower mounting module and the space between the two is used to place the injection needle. The needle tube of the injection needle is located inside the bending module. The clamping mechanism is located at one end of the upper mounting module for pressing. The upper mounting module is connected to the first drive mechanism, and the bending module is connected to the second drive mechanism. The first drive mechanism drives the mounting mechanism to move left and right, and the second drive mechanism drives the bending module to move back and forth for bending.

[0007] Furthermore, the lower mounting module has a mounting boss and a hinge boss at both ends, and a limiting recess is provided on the side adjacent to the mounting boss. One end of the upper mounting module has a hinge recess that matches the hinge boss, and the other end of the upper mounting module is located inside the limiting recess.

[0008] Furthermore, the hinge boss is provided with a hinge hole one, the hinge recess is provided with a hinge hole two, a pin for connection passes through the hinge hole one and the hinge hole two, and the base is provided with an open retaining ring for assembling one end of the pin.

[0009] Furthermore, the surface of the lower mounting module and the bottom surface of the upper mounting module are provided with several corresponding grooves one and two, and both grooves one and two are adapted to half of the outer diameter of the needle seat in the injection needle tube.

[0010] Furthermore, the upper mounting module has a threaded hole one on its side away from the hinge recess that connects to the operating handle, and the mounting boss has a threaded hole two that connects to the spring snap fastener in the clamping mechanism.

[0011] Furthermore, the two ends of the spring buckle are respectively provided with a clamping block and a clamping arm that are elastically connected, and the clamping block is pressed against the upper clamping boss at the end of the upper mounting module.

[0012] Furthermore, the drive mechanism includes a cylinder and a push plate connected to the output end of the cylinder. The lower mounting module is connected to the push plate by bolts, and the base surface is provided with a control valve for controlling the operation of the cylinder.

[0013] Furthermore, the second drive mechanism includes a second cylinder and a second push plate connected to the output end of the second cylinder. The bending module is connected to the second push plate by bolts. The surface of the base is provided with a second control valve for controlling the operation of the second cylinder.

[0014] Furthermore, the bending module is provided with a through hole for assembling the tip of the injection needle tube, and the inner diameter of the through hole is larger than the outer diameter of the needle tube.

[0015] Furthermore, the end of the through hole adjacent to the needle seat is provided with an arc.

[0016] The beneficial effects of this utility model are:

[0017] In this invention, by setting up a first driving mechanism, a second driving mechanism, a mounting mechanism, a clamping mechanism, and a bending module, the needle holder of the injection needle is positioned in the upper and lower mounting modules. The first driving mechanism drives the mounting module to move to the right, causing the needle portion to pass through the through hole of the bending module. Then, the second driving mechanism drives the bending module to move backward for bending. This device has a simple structure, is easy to operate, and has high bending accuracy. It can bend multiple injection needles simultaneously, and the bent injection needles have a high degree of consistency in shape. It can be used to bend injection needles of various specifications, improving the reusability of the device. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the module installed on this utility model;

[0020] Figure 3 This is a schematic diagram of the installation module of this utility model;

[0021] Figure 4 This is a schematic diagram of the bending module of this utility model;

[0022] Figure 5 This is a schematic diagram of the operation of the present invention when bending the injection needle tube, where A is the initial state, B is the needle loading state, C is the bending state, and D is the needle removal state.

[0023] Figure 6 This is a schematic diagram of the structure of the injection needle tube of this utility model after it has been bent.

[0024] Reference numerals: 1-Base, 2-Drive Mechanism 1, 20-Cylinder 1, 21-Push Plate 1, 22-Control Valve 1, 3-Drive Mechanism 2, 30-Cylinder 2, 31-Push Plate 2, 32-Control Valve 2, 4-Mounting Mechanism, 40-Upper Mounting Module, 400-Threaded Hole 1, 401-Hinge Recess, 4010-Hinge Hole 2, 402-Pressure Boss, 403-Groove 2, 41-Lower Mounting Module, 410-Mounting Boss, 4100-Threaded hole two, 411-Hinge boss, 4110-Hinge hole one, 412-Groove one, 413-Limiting recess, 42-Pin, 43-Open retaining ring, 44-Operating handle, 5-Bending module, 50-Through hole, 51-Arc, 6-Clamping mechanism, 60-Spring snap fastener, 61-Clamping block, 62-Mounting hole one, 63-Clamping arm, 7-Injection needle tube, 70-Needle tube, 71-Needle seat. Detailed Implementation

[0025] The present invention will be further described in detail below with reference to the embodiments and accompanying drawings, but the implementation of the present invention is not limited thereto.

[0026] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They 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. Therefore, they should not be construed as limitations on this utility model.

[0027] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set up," "have," "install," "connect," and "connect" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of 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.

[0028] Example 1

[0029] Embodiment 1 of this utility model is a Z-shaped injection needle tube 7 bending device, including a base 1, a first driving mechanism 2, a second driving mechanism 3, a mounting mechanism 4, a clamping mechanism 6, and a bending module 5. The first driving mechanism 2 and the second driving mechanism 3 are respectively located on the surface of the base 1. The mounting mechanism 4 includes an upper mounting module 40 and a lower mounting module 41. The upper mounting module 40 is located above the lower mounting module 41 and the space between the two is used to place the injection needle tube 7. The needle tube 70 of the injection needle tube 7 is located inside the bending module 5. The clamping mechanism 6 is located at one end of the upper mounting module 40 for pressing. The upper mounting module 40 is connected to the first driving mechanism 2, and the bending module 5 is connected to the second driving mechanism 3. The first driving mechanism 2 drives the mounting mechanism 4 to move left and right, and the second driving mechanism 3 drives the bending module 5 to move back and forth for bending.

[0030] Reference Figure 1 This invention utilizes a drive mechanism 2, a drive mechanism 3, a mounting mechanism 4, a clamping mechanism 6, and a bending module 5 arranged above a base 1. Drive mechanism 2 drives the upper mounting module 40, the lower mounting module 41, and the injection needle holder 71 located between them to move to the right, thus positioning the needle tube 70 within the bending module 5. Drive mechanism 3 then drives the bending module 5 to move backward, while drive mechanism 2 remains closed, allowing the needle tube 70 within the bending module 5 to bend. This improves bending accuracy and simplifies the device's structure. Furthermore, the clamping mechanism 6 can press one end of the upper mounting module 40, improving the stability of the injection needle tube 70 between the upper and lower mounting modules 40 during bending and preventing misalignment that could reduce bending accuracy.

[0031] To facilitate the installation of the injection needle 7, the lower mounting module 41 and the upper mounting module 40 are designed to be openable and closable. The lower mounting module 41 is opened for inserting and removing the needle, and closed for assembling the injection needle 7. The lower mounting module 41 has a mounting boss 410 and a hinge boss 411 at both ends, and a limiting recess 413 is provided on the side adjacent to the mounting boss 410. One end of the upper mounting module 40 has a hinge recess 401 that matches the hinge boss 411, and the other end of the upper mounting module 40 is located within the limiting recess 413. The hinge boss 411 has a hinge hole 4110, and the hinge recess 401 has a hinge hole 4010. A connecting pin 42 passes through both the hinge hole 4110 and the hinge hole 4010. The base 1 has an open retaining ring 43 for assembling one end of the pin 42.

[0032] Reference Figures 1 to 3 The hinge recess 401 of the upper mounting module 40 is assembled with the hinge recess 401 of the lower mounting module 41, and the pin 42 passes through the hinge hole 4010 and the hinge hole 4110, so that the through end of the pin 42 is located in the opening retaining ring 43 for limiting; at the same time, the other end of the upper mounting module 40 is located in the slot of the limiting recess 413 and is matched and snapped together, limiting the upper mounting module 40 from swinging to the left and right; through the connection of the pin 42, the upper mounting module 40 can open and close above the lower mounting module.

[0033] The assembly of the injection needle tube 7 is mainly achieved through groove one 412 and groove two 403. Several corresponding grooves one 412 and groove two 403 are provided on the surface of the lower mounting module 41 and the bottom surface of the upper mounting module 40. Both groove one 412 and groove two 403 are adapted to half the outer diameter of the needle seat 71 in the injection needle tube 7. That is, groove one 412 limits the lower surface of the needle seat 71, and groove two 403 limits the upper surface of the needle seat 71. Together, they form a complete cylindrical concave hole for placing the needle seat 71 of the injection needle tube 7 and ensuring a perfect fit. The specific specifications of groove one 412 and groove two 403 can be replaced according to the actual Z-shaped injection needle tube 7 to be bent, which is existing technology and will not be elaborated here; thus, multiple injection needle tubes 7 can be bent simultaneously, resulting in high consistency among the bent injection needle tubes 7.

[0034] Example 2

[0035] This embodiment 2 is implemented based on embodiment 1. The upper mounting module 40 has a threaded hole 400 on its side away from the hinge recess 401, which connects to the operating handle 44. The mounting boss 410 has a threaded hole 4100 connecting to the spring clip 60 in the clamping mechanism 6. The operating handle 44 is mainly used for opening and closing the upper mounting module 40 above the lower mounting module 41. Furthermore, the mounting boss 410 provides the mounting conditions for the spring clip 60 through the threaded hole 4100, and uses bolts for limiting the position; this is a conventional technical operation and will not be described in detail here.

[0036] The purpose of the spring clip 60 is to clamp and limit the end of the upper mounting module 40 away from the pin 42, preventing the upper mounting module 40 from opening. The spring clip 60 has a clamping block 61 and a clamping arm 63 connected elastically at both ends. The clamping block 61 presses against the clamping boss 402 at the end of the upper mounting module 40. The clamping arm 63 and the clamping block 61 are connected by an elastic component, a conventional technical operation. By manipulating the up-and-down movement of the clamping arm 63, the clamping block 61 moves back and forth, thus achieving the function of quickly locking and quickly releasing the upper mounting module 40.

[0037] Example 3

[0038] This embodiment 3 is implemented based on embodiment 1. The drive mechanism 2 includes a cylinder 20 and a push plate 21 connected to the output end of the cylinder 20. The lower mounting module 41 is connected to the push plate 21 by bolts. The surface of the base 1 is provided with a control valve 22 for controlling the operation of the cylinder 20.

[0039] Meanwhile, the drive mechanism 2 3 includes a cylinder 2 30 and a push plate 2 31 connected to the output end of the cylinder 2 30. The bending module 5 is connected to the push plate 2 31 by bolts. The surface of the base 1 is provided with a control valve 2 32 for controlling the operation of the cylinder 2 30.

[0040] Specifically, by setting cylinder 20 and cylinder 30, the lower mounting module 41 and upper mounting module 40, as well as the bending module 5, are moved via push plate 21 and push plate 31, respectively, thereby performing needle loading and bending of the injection needle tube 7. Simultaneously, the lower mounting module 41 and bending module 5 are located above the surface of the base 1, facilitating their movement under the drive of cylinders 20 and 30. The lower mounting module 41 and bending module 5 are detachably connected and equipped with mounting holes (not shown in the figure), facilitating their replacement and ensuring they are compatible with the injection needle tube 7 to be bent, thus improving the reusability of the device.

[0041] It should be noted that control valve 22 and control valve 32 can be operated manually or automatically. Their connection to cylinders 20 and 30 is existing technology and will not be detailed here. This controls the contraction and extension of cylinders 20 and 30. The strokes of cylinders 20 and 30 are adjustable, meaning the strokes of push plates 21 and 31 are also adjustable. Adjusting the stroke of cylinder 20 changes the dimensions. Figure 6 The size of 'b' can be changed by adjusting the stroke of cylinder 2 (30). Figure 6 The size of 'a' in the equation.

[0042] In some preferred embodiments, the bending module 5 is provided with a through hole 50 for assembling the tip of the injection needle tube 70, the inner diameter of the through hole 50 being larger than the outer diameter of the needle tube 70. An arc 51 is provided at the end of the through hole 50 adjacent to the needle seat 71.

[0043] Specifically, refer to Figure 4 The bending module 5 is provided with several through holes 50 for the needle tube 70 to pass through. The diameter of the through holes 50 is larger than the outer diameter of the needle tube 70. The side of the through hole 50 near the needle tube 70 is provided with an arc 51, which is used to make the bending point of the injection needle tube 70 smooth after bending.

[0044] The bending process of the injection needle 7 in this utility model is as follows:

[0045] 1) Initial state:

[0046] Cylinder 20 and cylinder 30 are in the retracted state, the upper mounting module 40 and the lower mounting module 41 are closed, and the clamping block 61 of the spring buckle 60 presses against the clamping boss 402 of the upper mounting module 40. At this time, the groove 412 of the lower mounting module 41 and the groove 403 of the upper mounting module 40 form a concave hole that matches the shape of the needle seat 71 of the injection needle tube 7. This concave hole is concentric with the through hole 50 of the bending module 5. Figure 5 A.

[0047] 2) Needle loading status:

[0048] Cylinder 20 and cylinder 30 are in the retracted state. Several pre-bent injection needle tubes 7 are inserted from left to right into groove 403 of the upper mounting module 40 and groove 412 of the lower mounting module 41, ensuring that each injection needle tube 7 is in place and oriented in the same direction. At this time, the end of the needle tube 70 away from the needle seat 71 does not contact the arc 51 surface of the bending module 5. (Refer to...) Figure 5 B.

[0049] 3) Bending state:

[0050] First, control valve 22 pushes the push plate 21 of cylinder 20, extending cylinder 20 and causing the injection needle 7 to move from left to right before bending. The end of the needle 70 away from the needle seat 71 enters the through hole 50 of the bending module 5. Next, control valve 32 pushes the push plate 31 of cylinder 30, extending cylinder 30 and causing the bending module 5 to move from front to back, thus bending the injection needle 7. (Refer to...) Figure 5 C.

[0051] 4) Needle removal status:

[0052] First, control valve 22 pushes the push plate 21 of cylinder 20, causing cylinder 20 to retract and move the bent injection needle 7 from right to left. The end of the needle 70 away from the needle seat 71 disengages from the through hole 50 of the bending module 5. Next, control valve 32 pushes the push plate 31 of cylinder 2, causing cylinder 30 to retract and move the bending module 5 from back to front. Then, the clamping arm 63 of the spring buckle 60 is pressed down, causing the clamping block 61 to move and release the upper mounting module 40. Holding the operating handle 44, the upper mounting module 40 is lifted from bottom to top. Finally, the bent injection needle 7 is removed from bottom to top. After removing the injection needle 7, the device is returned to its initial state by operating the handle 44 and the clamping arm 63. Figure 5 D.

[0053] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications, equivalent substitutions, and improvements made to the above embodiments based on the technical essence of the present utility model and within the spirit and principles of the present utility model shall still fall within the protection scope of the present utility model.

Claims

1. A Z-shaped injection needle bending device, characterized in that, The device includes a base (1), a drive mechanism one (2), a drive mechanism two (3), a mounting mechanism (4), a clamping mechanism (6), and a bending module (5). The drive mechanism one (2) and the drive mechanism two (3) are located on the surface of the base (1). The mounting mechanism (4) includes an upper mounting module (40) and a lower mounting module (41). The upper mounting module (40) is located above the lower mounting module (41) and is used to place an injection needle tube (7) between them. The needle tube (70) of the injection needle tube (7) is located inside the bending module (5). The clamping mechanism (6) is located at one end of the upper mounting module (40) for pressing. The upper mounting module (40) is connected to the drive mechanism one (2). The bending module (5) is connected to the drive mechanism two (3). The drive mechanism one (2) drives the mounting mechanism (4) to move left and right. The drive mechanism two (3) drives the bending module (5) to move back and forth for bending.

2. The Z-shaped injection needle bending device according to claim 1, characterized in that, The lower mounting module (41) has mounting bosses (410) and hinge bosses (411) at its two ends respectively, and a limiting recess (413) is provided on the side adjacent to the mounting bosses (410). One end of the upper mounting module (40) is provided with a hinge recess (401) that is adapted to the hinge bosses (411), and the other end of the upper mounting module (40) is located in the limiting recess (413).

3. The Z-shaped injection needle bending device according to claim 2, characterized in that, The hinge boss (411) is provided with hinge hole one (4110), and the hinge recess (401) is provided with hinge hole two (4010). A pin (42) for connection passes through the hinge hole one (4110) and the hinge hole two (4010). The base (1) is provided with an open retaining ring (43) for mounting one end of the pin (42).

4. The Z-shaped injection needle bending device according to claim 2, characterized in that, The surface of the lower mounting module (41) and the bottom surface of the upper mounting module (40) are provided with several corresponding grooves one (412) and groove two (403), and the grooves one (412) and groove two (403) are both adapted to half of the outer diameter of the needle seat (71) in the injection needle tube (7).

5. The Z-shaped injection needle bending device according to claim 2, characterized in that, The upper mounting module (40) has a threaded hole (400) on its side away from the hinge recess (401) that is connected to the operating handle (44), and the mounting boss (410) has a threaded hole (4100) that is connected to the spring buckle (60) in the clamping mechanism (6).

6. The Z-shaped injection needle bending device according to claim 5, characterized in that, The spring snap fastener (60) has a pressing block (61) and a pressing arm (63) connected by elasticity at both ends. The pressing block (61) is pressed against the pressing boss (402) at the end of the upper mounting module (40).

7. The Z-shaped injection needle bending device according to claim 2, characterized in that, The drive mechanism 1 (2) includes a cylinder 1 (20) and a push plate 1 (21) connected to the output end of the cylinder 1 (20). The lower mounting module (41) is connected to the push plate 1 (21) by bolts. The base (1) surface is provided with a control valve 1 (22) for controlling the operation of the cylinder 1 (20).

8. The Z-shaped injection needle bending device according to claim 2, characterized in that, The second drive mechanism (3) includes a second cylinder (30) and a second push plate (31) connected to the output end of the second cylinder (30). The bending module (5) is connected to the second push plate (31) by bolts. The surface of the base (1) is provided with a second control valve (32) for controlling the operation of the second cylinder (30).

9. A Z-shaped injection needle bending device according to claim 2, characterized in that, The bending module (5) is provided with a through hole (50) for assembling the tip needle tube (70) of the injection needle tube (7), and the inner diameter of the through hole (50) is larger than the outer diameter of the needle tube (70).

10. A Z-shaped injection needle bending device according to claim 9, characterized in that, The end of the through hole (50) adjacent to the needle seat (71) is provided with an arc (51).

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