Outer canthus ligament fascia suspension needle

Abstract

The utility model discloses an outer canthus ligament fascia suspension needle which comprises a handle, an installation groove is formed in the upper end of the handle, a needle body is connected in the installation groove in a sliding mode, the upper half section of the needle body is in an arc shape, a needle point is arranged at the end of the needle body, a limiting hole is formed in the outer wall of the needle body, and a limiting rod is connected to the outer wall of the handle in a sliding mode. By arranging the limiting rod, the spring and other devices, a doctor can easily replace the needle body and the needle tip under the condition that the handle is not replaced, the needle body which is abraded or needs to be replaced can slide out and a new needle body can be installed only through simple operation steps, operation habit changes caused by frequent replacement of the handle are avoided through the modular design, and the operation efficiency is improved. Compared with the prior art, time and energy for a doctor to adapt to a new handle again are reduced, continuity of surgical operation is guaranteed, meanwhile, using cost and waste of surgical instruments are reduced, and efficiency and economical efficiency of an operating room are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of suspension needles, in particular to a lateral canthal ligament fascia suspension needle. Background Art

[0002] The Lateral Canthal Ligament Suspension Needle is a medical device used primarily in ophthalmic surgery, particularly corrective eyelid surgery. Its primary function is to correct the position and shape of the eyelid by suspending or securing the lateral canthal ligament (a connective tissue structure on the outside of the eye).

[0003] The lateral canthal ligament fascia suspension needle currently in use consists of three parts: a needle body, a needle tip, and a handle. During actual surgery, the needle body and needle tip are prone to wear and blunting due to frequent contact with tissues, and are therefore considered consumables and require regular replacement. However, the handle part has been used for a long time by ophthalmologists, and the doctors are very familiar with its grip and operation method, forming unique muscle memory and operating habits. If the needle needs to be replaced as a whole, the doctor may need to re-adapt to the new handle design, which may easily affect the stability and accuracy of their operation during surgery. Therefore, it is necessary to redesign the lateral canthal ligament fascia suspension needle to address the above issues. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a lateral canthal ligament fascia suspension needle.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] The lateral canthal ligament fascia suspension needle includes a handle, an installation groove is provided at the upper end of the handle, a needle body is slidably connected in the installation groove, the upper half of the needle body is arc-shaped, a needle tip is provided at the end of the needle body, a limiting hole is provided on the outer wall of the needle body, a limiting rod is slidably connected to the outer wall of the handle, the limiting rod is inserted into the limiting hole, and the outer wall of the limiting rod is in close contact with the inner wall of the limiting hole, and an elastic device is installed on the outer wall of the handle to drive the limiting rod to tightly abut against the bottom of the limiting hole.

[0007] Preferably, the elastic device includes a handle fixedly connected to the end of the limiting rod, and the outer wall of the limiting rod is sleeved with a spring, one end of the spring is fixedly connected to the needle body on the outer wall of the handle, and the other end of the spring is fixedly connected to the outer wall of the handle.

[0008] Preferably, a guide block is fixedly connected to the bottom of the installation groove, a guide groove is formed on the lower end surface of the needle body, and the guide block is slidably connected inside the guide groove.

[0009] Preferably, the outer wall of the guide block and the inner wall of the guide groove are both arranged in a plane, and the outer wall of the guide block is in close contact with the inner wall of the guide groove.

[0010] Preferably, the outer wall of the handle is provided with a plurality of groups of anti-slip grooves, and the plurality of groups of anti-slip grooves are arranged at equal intervals.

[0011] Preferably, an infrared spotlight is installed on the outer wall of the handle, the infrared spotlight and the end of the needle body are on the same horizontal plane, and the outer wall of the needle body is provided with scale lines.

[0012] The utility model has the following beneficial effects:

[0013] 1. The utility model provides devices such as a limit rod and a spring, so that the doctor can easily replace the needle body and the needle tip without changing the handle. Only through simple operation steps, the worn or replaced needle body can be slid out and a new needle body can be installed. This modular design avoids the change of operating habits caused by frequent replacement of handles, reduces the time and energy of the doctor to readapt to the new handle, and ensures the continuity of the surgical operation. At the same time, this design also reduces the cost and waste of surgical instruments, which helps to improve the efficiency and economy of the operating room.

[0014] 2. The utility model provides an installation groove, a guide block and a guide groove on the handle, and uses a limit rod and an elastic device to ensure the stability of the needle body during installation and use, effectively preventing the needle body from shaking or deflecting during operation, and ensuring the precise positioning and smooth sliding of the needle body. Combined with the auxiliary lighting of the infrared spotlight and the scale line design on the outer wall of the needle body, the doctor can judge and control the depth and angle of the needle body more intuitively and accurately, thereby significantly improving the operation accuracy and safety of the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the lateral canthal ligament fascia suspension needle proposed in the present invention;

[0016] Figure 2 for Figure 1 Structural diagram.

[0017] Figure 3 for Figure 1 Cross-sectional view of the middle handle and needle body.

[0018] In the figure: 1. Handle; 2. Needle body; 3. Infrared spotlight; 4. Anti-slip groove; 5. Pull handle; 6. Guide block; 7. Guide groove; 8. Limit hole; 9. Limit rod; 10. Spring; 11. Mounting slot. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] Reference Figure 1-3 The outer canthus ligament fascia suspension needle comprises a handle 1, an installation groove 11 is formed in the upper end of the handle 1, a needle body 2 is slidably connected in the installation groove 11, the upper half of the needle body 2 is in an arc shape, a needle tip is arranged at the end of the needle body 2, a limiting hole 8 is formed in the outer wall of the needle body 2, a limiting rod 9 is slidably connected to the outer wall of the handle 1, the limiting rod 9 is inserted into the limiting hole 8, and the outer wall of the limiting rod 9 is in abutting contact with the inner wall of the limiting hole 8, an elastic device is arranged on the outer wall of the handle 1 and used for driving the limiting rod 9 to tightly abut against the bottom of the limiting hole 8, the elastic device comprises a pull handle 5 fixedly connected to the end of the limiting rod 9, a spring 10 is sleeved on the outer wall of the limiting rod 9, one end of the spring 10 is fixedly connected to the outer wall of the pull handle 5 and the needle body 2, and the other end of the spring 10 is fixedly connected to the outer wall of the handle 1.

[0021] The needle body 2 is slidably connected in the installation groove 11 on the handle 1 through cooperation of the limiting rod 9 and the limiting hole 8, and the stability of the needle body 2 is ensured through cooperation of the elastic device, so that the needle body 2 and the needle tip can be replaced without replacing the handle 1, thereby avoiding the need for the doctor to adapt to the change of the handle 1, maintaining the operation habit and the operation precision, and meanwhile, the spring 10 provides reliable fixation, prevents the needle body 2 from loosening during the operation, and improves the safety and stability.

[0022] A guide block 6 is fixedly connected to the bottom in the installation groove 11, a guide groove 7 is formed in the lower end surface of the needle body 2, the guide block 6 is slidably connected in the guide groove 7, the outer wall of the guide block 6 and the inner wall of the guide groove 7 are both arranged in a plane, and the outer wall of the guide block 6 is in abutting contact with the inner wall of the guide groove 7; the design of the guide block 6 and the guide groove 7 ensures the stability and accuracy of the needle body 2 during sliding, avoids possible shaking or deviation of the needle body 2, improves the stability and accuracy of the operation, and is helpful to reduce the error in the operation.

[0023] A plurality of anti-skid grooves 4 are formed in the outer wall of the handle 1 and are arranged at equal intervals, an infrared spotlight 3 is arranged on the outer wall of the handle 1, the infrared spotlight 3 is in the same horizontal plane as the end of the needle body 2, and a scale line is arranged on the outer wall of the needle body 2; the infrared spotlight 3 directly judges the depth and angle of the needle body 2, and the depth reference provided by the scale line is combined.

[0024] In the present utility model, when the device is used specifically: the doctor selects a suitable needle body 2 and needle tip according to the needs of the operation, and installs them in the installation groove 11 on the handle 1, and the needle body 2 is slidably inserted into the installation groove 11 to align the limiting rod 9 with the limiting hole 8 on the needle body 2. By pressing the pull handle 5, the limiting rod 9 disengages from the limiting hole 8, and then the needle body 2 slides into the appropriate position, and the pull handle 5 is released. The limiting rod 9 under the action of the spring 10 fixes the needle body 2 in the installation groove 11 to ensure the stability of the needle body 2. During the operation, the doctor uses the handle 1 for precise operation. The design of the guide block 6 and the guide groove 7 on the handle 1 ensures that the needle body 2 remains stable during sliding and operation, preventing the needle body 2 from shaking or deflecting.

[0025] Multiple groups of infrared spotlights 3 arranged on the outer wall of the handle 1 provide high-brightness illumination of the local surgical area, especially in insufficient light conditions, which can help the doctor clearly observe the surgical site. The infrared spotlights 3 are on the same horizontal plane as the end of the needle body 2. Through the light source provided by them, the doctor can intuitively judge the depth and angle of the needle body 2, and the scale lines on the outer wall of the needle body 2 further provide the doctor with a reference for depth control, which helps to accurately locate the depth and direction of puncture during the operation and ensure the accuracy of the operation.

[0026] When the needle body 2 and the needle tip are worn or need to be replaced, the doctor does not need to replace the entire handle 1. By pulling the handle 5 to control the limit rod 9 to disengage from the limit hole 8, the old needle body 2 can be easily slid out, and then the new needle body 2 is inserted into the installation groove 11, and the above fixing steps are repeated. This design avoids the change of operating habits caused by frequent replacement of the handle 1, reduces the trouble caused by the doctor re-adapting to the handle 1, and improves the continuity and stability of the operation.

[0027] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to them. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.

Claims

1. A lateral canthal ligament fascia suspension needle, comprising a handle (1), characterized in that: The upper end of the handle (1) is provided with a mounting groove (11), and a needle body (2) is slidably connected in the mounting groove (11). The upper half of the needle body (2) is in an arc shape, and a needle tip is provided at the end of the needle body (2). A limiting hole (8) is provided on the outer wall of the needle body (2). The outer wall of the handle (1) is slidably connected to a limiting rod (9), and the limiting rod (9) is inserted into the limiting hole (8), and the outer wall of the limiting rod (9) is in close contact with the inner wall of the limiting hole (8). The outer wall of the handle (1) is provided with an elastic device for driving the limiting rod (9) to tightly contact the bottom of the limiting hole (8).

2. The lateral canthal ligament fascia suspension needle according to claim 1, characterized in that: The elastic device includes a pull handle (5) fixedly connected to the end of the limiting rod (9), the outer wall of the limiting rod (9) is provided with a spring (10), one end of the spring (10) is fixedly connected to the needle body (2) on the outer wall of the pull handle (5), and the other end of the spring (10) is fixedly connected to the outer wall of the handle (1).

3. The lateral canthal ligament fascia suspension needle according to claim 2, characterized in that: A guide block (6) is fixedly connected to the bottom of the mounting groove (11), a guide groove (7) is provided on the lower end surface of the needle body (2), and the guide block (6) is slidably connected inside the guide groove (7).

4. The lateral canthal ligament fascia suspension needle according to claim 3, characterized in that: The outer wall of the guide block (6) and the inner wall of the guide groove (7) are both arranged in a plane, and the outer wall of the guide block (6) is in close contact with the inner wall of the guide groove (7).

5. The lateral canthal ligament fascia suspension needle according to claim 4, characterized in that: The outer wall of the handle (1) is provided with a plurality of groups of anti-slip grooves (4), and the plurality of groups of anti-slip grooves (4) are arranged at equal intervals.

6. The lateral canthal ligament fascia suspension needle according to claim 5, characterized in that: An infrared spotlight (3) is installed on the outer wall of the handle (1), and the infrared spotlight (3) and the end of the needle body (2) are on the same horizontal plane. The outer wall of the needle body (2) is provided with scale lines.

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