Eyelid turning device

Abstract

The utility model discloses an eyelid turning device, and belongs to the technical field of eyelid turning devices. An eyelid turning device comprises a mounting base, two eyelid turning pieces used for opening an upper eyelid and a lower eyelid respectively are symmetrically arranged on the mounting base, a supporting rod is jointly arranged between the ends, close to the mounting base, of the two eyelid turning pieces in a sliding mode, a connecting plate used for driving the supporting rod to adjust opening and closing of the two eyelid turning pieces is arranged on the mounting base, and a through groove is formed in the connecting plate. A tooth row is fixedly arranged on the inner wall of one side of the through groove; compared with the prior art, the tooth row limiting device has the advantages that the operation is simple, the adjustment is stable and quick, the condition that the clamping force is difficult to control by manual control of a worker is avoided, and meanwhile, the condition that the efficiency is relatively low due to the fact that the tooth row limiting device needs to be rotated for multiple times when the tooth row limiting device is positioned through an adjusting bolt is also avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of eyelid lifters, in particular to an eyelid lifter. Background Art

[0002] An eyelid retractor is an instrument used to retract the patient's eyelids during an eye examination or eye surgery. Using this eyelid retractor can replace manual eyelid retraction, ensure eye hygiene, and help expand the surgical field. It is a commonly used instrument in ophthalmology.

[0003] After the eyelids are opened, they need to be positioned. Most of the existing eyelid lifters are positioned by adjusting bolts, and some are tweezer-shaped. The tweezer-shaped eyelid lifters require manual control by staff, and it is often difficult to control the clamping force. The ones positioned by adjusting bolts need to be rotated multiple times, resulting in low efficiency. Utility Model Content

[0004] The utility model provides an eyelid lifter, which can overcome certain defects of the prior art.

[0005] According to the utility model, a lid lifter includes a mounting seat, on which two lid lift pieces are symmetrically provided for respectively opening the upper and lower eyelids, a support rod is provided between the two lid lift pieces close to one end of the mounting seat for sliding together, a connecting plate is provided on the mounting seat for driving the support rod to adjust the opening and closing of the two lid lift pieces, a through groove is provided on the connecting plate, and a tooth row is fixedly provided on the inner wall of one side of the through groove; a positioning component for cooperating with the tooth row limiting connecting plate is clamped on the mounting seat.

[0006] Preferably, the eyelid-lifting member includes a connecting arm rotatably arranged in the mounting seat, a fixed arm is fixedly provided at one end of the connecting arm away from the mounting seat, an eyelid support piece is fixedly provided at the bottom of the fixed arm, and a slide groove is provided at the top of one end of the slide groove near the mounting seat.

[0007] Through the above structure, when the clamping column slides backward, the two eyelid-turning parts can be pushed outward for support. At the same time, the silicone sheet is soft in texture and has a large friction coefficient. It can stably clamp the eyelid while preventing the staff from applying large force to the eyelid during the clamping and flipping process, causing discomfort to the patient.

[0008] Preferably, both ends of the support rod are fixed with a clamping column for cooperating with the slide groove, a fixing block is provided at the corresponding position of the clamping column and the connecting plate, a bolt is threaded between the fixing block and the connecting plate, and a push block is fixed at one end of the connecting plate away from the mounting seat.

[0009] Through the above structure, the support rod can slide more stably along the sliding groove, and the setting of the push block can more conveniently push the connecting plate.

[0010] Preferably, a gear is rotatably provided on the top of the mounting seat, the gear is located inside the through groove, and a first spline groove is vertically provided on the top of the gear; a second spline groove corresponding to the first spline groove is provided on the top of the mounting seat, and a locking assembly is provided in the first spline groove and the second spline groove for sliding together.

[0011] With the above structure, the eyelid-lifting member can be more conveniently and stably supported when performing the eyelid-lifting operation.

[0012] Preferably, the locking assembly includes a spline inserted into the first spline groove and the second spline groove, a connecting rod is fixed to the bottom of the spline, a bottom block is fixed to one end of the connecting rod that moves through the second spline groove, a spring for tightening the spline is fixed between the bottom block and the inner wall of the mounting seat, and a handle is fixed to the top of the spline, and the handle is located at the top of the through groove.

[0013] The above structure facilitates positioning after the eyelid opening operation, and the operation is simple and quick, avoiding the situation where the staff has difficulty in controlling the clamping force through manual control. It also avoids the situation where the positioning by adjusting the bolt requires multiple rotations, resulting in low efficiency.

[0014] The beneficial effects of the utility model are as follows:

[0015] Compared with the existing technology, the operation is simple, the adjustment is stable and fast, and it avoids the situation where the staff has difficulty in controlling the clamping force through manual control. It also avoids the situation where the positioning by adjusting the bolt requires multiple rotations, resulting in low efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of an eyelid lifter;

[0017] Figure 2 It is a schematic diagram of the overall side cross-sectional structure of an eyelid lifter;

[0018] Figure 3 The figure is a schematic diagram of the structure of a locking component of an eyelid lifter. DETAILED DESCRIPTION

[0019] In order to further understand the content of the present invention, the present invention is described in detail with reference to the embodiments. It should be understood that the embodiments are merely for explanation of the present invention and are not intended to limit the present invention.

[0020] Example 1

[0021] See also Figure 1-3The present embodiment provides a lid lifter including a mounting base 100, on which two lid lift members for respectively opening the upper and lower eyelids are symmetrically provided, a support rod 150 is provided between the two lid lift members near one end of the mounting base 100 for sliding together, and a connecting plate 240 for driving the support rod 150 to adjust the opening and closing of the two lid lift members is provided on the mounting base 100, a through groove 260 is provided on the connecting plate 240, and a tooth row 270 is fixedly provided on the inner wall of one side of the through groove 260; a locking component 160 for cooperating with the tooth row 270 to limit the connecting plate 240 is clamped on the mounting base 100.

[0022] When using this embodiment, the silicone sheet on the eyelid support piece 130 is placed in a position where it can be clamped on the eyelid. Then the staff pulls the handle 350 to disengage the spline 340 from the first spline groove 320 and the second spline groove. At this time, the push block 250 is pushed so that the connecting plate 240 drives the clamping column 210 on the fixed block 220 to slide along the slide groove 140, and the eyelid support piece 130 can turn the eyelid open. At this time, the user releases the handle 350 so that the spline 340 is re-engaged in the first spline groove 320 and the second spline groove to limit the gear 310. , thereby limiting the connecting plate 240. Compared with the prior art, the operation is simple, the adjustment is stable and fast, and the situation that the staff is difficult to control the clamping force by manual control is avoided. At the same time, it also avoids the situation that the positioning by adjusting the bolt needs to be rotated multiple times, resulting in low efficiency. The opening and closing angles of the two eyelid parts can be easily adjusted through the driving method of (150), thereby adapting to eyelids of different sizes and shapes, increasing the applicability and flexibility of the device, making the eyelid operation more balanced and stable, and helping to reduce unnecessary pressure or damage to the eyelids.

[0023] In this embodiment, the eyelid-lifting component includes a connecting arm 110 that is rotatably arranged in the mounting seat 100. A fixed arm 120 is fixed to one end of the connecting arm 110 away from the mounting seat 100. An eyelid support piece 130 is fixed to the bottom of the fixed arm 120, and a slide groove 140 is provided at the top of one end close to the mounting seat 100.

[0024] A silicone sheet is provided at the bottom of the eyelid support piece 130, and a handle is provided at the end of the mounting seat 100 away from the eyelid flip piece.

[0025] Through the above structure, when the clamping column 210 slides backward, the two eyelid-turning parts can be pushed outward for support. At the same time, the silicone sheet is soft in texture and has a large friction coefficient. It can stably clamp the eyelid while preventing the staff from applying a large force to the eyelid during the clamping and flipping process, causing discomfort to the patient.

[0026] In this embodiment, both ends of the support rod 150 are fixed with a clamping column 210 for cooperating with the slide groove 140, and a fixing block 220 is provided at the corresponding position of the clamping column 210 and the connecting plate 240. A bolt 230 is threadedly provided between the fixing block 220 and the connecting plate 240, and a push block 250 is fixed at the end of the connecting plate 240 away from the mounting seat 100.

[0027] Through the above structure, the support rod 150 can slide more stably along the sliding groove 140, and the arrangement of the pushing block 250 can more conveniently push the connecting plate 240.

[0028] In this embodiment, a gear 310 is rotatably provided at the top of the mounting seat 100, the gear 310 is located inside the through groove 260, and a first spline groove 320 is vertically provided at the top of the gear 310; a second spline groove corresponding to the first spline groove 320 is provided at the top of the mounting seat 100, and a locking assembly 160 is provided in the first spline groove 320 and the second spline groove for sliding together.

[0029] With the above structure, the eyelid-lifting member can be more conveniently and stably supported when performing the eyelid-lifting operation.

[0030] In this embodiment, the locking assembly 160 includes a spline 340 inserted into the first spline groove 320 and the second spline groove, a connecting rod 330 is fixed to the bottom of the spline 340, and the connecting rod 330 is movable through the second spline groove and a bottom block 360 is fixed at one end. A spring 370 for tightening the spline 340 is fixed between the bottom block 360 and the inner wall of the mounting seat 100, and a handle 350 is fixed to the top of the spline 340, and the handle 350 is located at the top of the through groove 260.

[0031] The length of the spline 340 is slightly longer than the thickness of the first spline groove 320 .

[0032] The above structure facilitates positioning after the eyelid opening operation, and the operation is simple and fast, ensuring that the connecting plate 240 can stay stably in the desired position during the adjustment process, preventing instability or accidental movement of the eyelid flipping member. At the same time, the positioning assembly 160 is connected in a snap-on manner, so medical personnel can easily operate the eyelid flipper to perform a quick and simple eyelid flipping action, reducing the difficulty of operation and work intensity, avoiding the situation where the staff has difficulty in controlling the clamping force through manual control, and also avoiding the situation where the positioning by adjusting the bolt requires multiple rotations, resulting in low efficiency.

[0033] It is easy to understand that those skilled in the art can combine, split, reorganize, etc. the embodiments of the present application based on one or several embodiments provided in the present application to obtain other embodiments, and these embodiments do not exceed the scope of protection of the present application.

[0034] The above is a schematic description of the present invention and its embodiments, which is not restrictive. The embodiments shown are only part of the embodiments of the present invention, and the actual structure is not limited to them. Therefore, if a person skilled in the art is inspired by the above and designs a structure and embodiment similar to the technical solution without creatively designing it without departing from the inventive purpose of the present invention, it shall fall within the scope of protection of the present invention.

Claims

1. A lid lifter, characterized in that: The invention comprises a mounting seat (100), two eyelid-lifting parts for respectively opening the upper and lower eyelids are symmetrically provided on the mounting seat (100), a support rod (150) is provided between the two eyelid-lifting parts close to one end of the mounting seat (100) for sliding together, a connecting plate (240) for driving the support rod (150) to adjust the opening and closing of the two eyelid-lifting parts is provided on the mounting seat (100), a through groove (260) is provided on the connecting plate (240), and a tooth row (270) is fixedly provided on the inner wall of one side of the through groove (260); a clamping assembly (160) for cooperating with the tooth row (270) to limit the connecting plate (240) is clamped on the mounting seat (100); A gear (310) is rotatably provided on the top of the mounting seat (100), the gear (310) being located inside the through groove (260), and a first spline groove (320) is vertically provided on the top of the gear (310); a second spline groove corresponding to the first spline groove (320) is provided on the top of the mounting seat (100), and a latching assembly (160) is provided in the first spline groove (320) and the second spline groove so as to slide together; The locking assembly (160) includes a spline (340) inserted into the first spline groove (320) and the second spline groove, a connecting rod (330) is fixedly provided at the bottom of the spline (340), and a bottom block (360) is fixedly provided at one end of the connecting rod (330) which is movable through the second spline groove, and a spring (370) for tightening the spline (340) is fixedly provided between the bottom block (360) and the inner wall of the mounting seat (100), and a pull handle (350) is fixedly provided at the top of the spline (340), and the pull handle (350) is located at the top of the through groove (260).

2. The eyelid lifter according to claim 1, characterized in that: The eyelid-lifting member includes a connecting arm (110) rotatably arranged in the mounting seat (100), a fixed arm (120) is fixedly provided at one end of the connecting arm (110) away from the mounting seat (100), an eyelid support piece (130) is fixedly provided at the bottom of the fixed arm (120), and a slide groove (140) is provided at the top of one end of the sliding groove (140) close to the mounting seat (100).

3. The eyelid lifter according to claim 1, characterized in that: Both ends of the support rod (150) are fixed with a clamping column (210) for cooperating with the slide groove (140), a fixing block (220) is provided at the corresponding position of the clamping column (210) and the connecting plate (240), a bolt (230) is threadedly provided between the fixing block (220) and the connecting plate (240), and a push block (250) is fixed at one end of the connecting plate (240) away from the mounting seat (100).

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