CN219354005U

CN219354005U - Adjustable eyelid retractor

Info

Publication number: CN219354005U
Application number: CN202320373488.7U
Authority: CN
Inventors: 李占元; 林江
Original assignee: Aier Eye Hospital Group Sichuan Eye Hospital Co ltd; Chengdu Aier Eye Hospital Co Ltd
Current assignee: Aier Eye Hospital Group Sichuan Eye Hospital Co ltd; Chengdu Aier Eye Hospital Co Ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-07-18
Anticipated expiration: 2033-03-02

Abstract

The utility model discloses an adjustable eyelid retractor, which relates to the technical field of surgical equipment, and comprises a connecting frame with a strip structure, wherein two sliding blocks are arranged on the connecting frame in a sliding way, the sliding blocks are connected with the connecting frame through sliding components, one end of each sliding block is provided with an extension rod which is parallel to the surface of the connecting frame, the end part of each extension rod is provided with an eye opening hook which extends downwards and is used for pulling eyelid open, the eye opening hooks are of U-shaped bending structures, the end parts of the eye opening hooks are arranged in a rounding way, and reset components which are used for driving the two sliding blocks to slide towards the two ends of the connecting frame are also arranged on the two connecting frames.

Description

Adjustable eyelid retractor

Technical Field

The utility model relates to the technical field of surgical equipment, in particular to an adjustable eyelid retractor.

Background

Ophthalmic surgery is a quite fine surgical mode, clear vision is critical in the surgical process, and an eyelid retractor is an indispensable tool in ophthalmic surgery and is a special instrument for ophthalmic surgery, and the eye speculum is used for expanding eyelids, so that the surgical vision is exposed. However, the prior art child's ophthalmic eyelid speculum suffers from several problems, such as: the stability of the eyelid retractor is lower, medical staff is required to repeatedly carry out handheld righting, certain interference is easily caused to operation, the outer side edge of the eyelid retractor is easily touched in the operation process, even other microscopic instruments can be scraped off sometimes due to scraping, the operation time is increased to a certain extent, and a suture is easily wound on the outer tail link of the eyelid retractor. Moreover, most eyelid openers are inconvenient to adjust the size of the eyelid, are prone to stress on the eyes of a child patient, cause discomfort to the patient, and have a number of limitations, so that an adjustable eyelid opener is required to solve these problems.

Disclosure of Invention

The utility model aims to provide an adjustable eyelid retractor for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the adjustable eyelid retractor comprises a connecting frame with a strip structure, two sliding blocks are arranged on the connecting frame in a sliding manner, the sliding blocks are connected with the connecting frame through sliding components, one end of each sliding block is provided with an extension rod which is parallel to the surface of the connecting frame, the end part of each extension rod is provided with an eye opening hook which extends downwards and is used for pulling out eyelid, the eye opening hook is of a U-shaped bending structure, the end parts of the eye opening hooks are arranged in a rounding manner, reset components which are used for driving the two sliding blocks to slide towards the two ends of the connecting frame are further arranged on the two connecting frames, the outer side of each sliding block is provided with a poking rod, and the poking rod is bent towards one side of the eye opening hook; the upper end of the connecting frame is also provided with a limiting component for limiting the separation amplitude of the two open-eye hooks;

based on the technical scheme, the utility model also provides the following optional technical schemes:

in the alternative: the open eye hook is made of titanium alloy materials.

In the alternative: and an anti-slip layer is arranged on the outer side of the poking rod.

In the alternative: the limiting assembly comprises two groups of limiting holes formed in the surface of the connecting frame, the two limiting holes are symmetrically formed in the upper end of the connecting frame, at least one limiting pin is arranged in each group of limiting holes, the limiting pins are used for blocking the sliding blocks, and the limiting pins are in threaded connection with the limiting holes.

In the alternative: the reset assembly comprises guide holes arranged on two sliding blocks, a guide rod penetrates through the two guide holes, two ends of the guide rod are fixedly connected with side blocks outside the connecting frame, a reset spring is sleeved on the guide rod, two sliding blocks are connected at two ends of the reset spring, and the middle position of the reset spring is fixedly connected with the surface of the guide rod.

In the alternative: the sliding component comprises sliding grooves formed in the left side face and the right side face of the connecting frame, and sliding grooves matched with the connecting frame are formed in the upper surface and the lower surface of the sliding block.

In the alternative: the upper end of each extension rod is also provided with a poking block which is of a semicircular structure.

In the alternative: the surface of the connecting frame where the limiting hole is arranged is provided with a scale strip.

In the alternative: the lower end of the connecting frame is provided with a cushion pad, and the cushion pad is made of a silica gel material.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model is suitable for different patients, can play fine supporting effect to the eyelid effect of face opener, improved stability, can control link and eyelid hook through the elasticity of spring and remove, thereby play stable eyelid effect to patient's eyes, fully expose the operation field of vision, the cooperation of spring and connecting rod, carry out the eyelid, make full use of spring self elasticity is moderate simultaneously, with eyelid crack size, eyelid tension carries out autonomous adjustment, play the effect that increases/reduces to adjust the eyelid size, have certain individualized practicality, be different from traditional wire eyelid ware of having fixed tensile in the past, or use the artificial wide eyelid that opens of screw knob baroceptor.

The external connecting frame of the eyelid retractor has a certain bending radian which is basically parallel to the physiological radian of the outer canthus of the eyelid and the face of the human body, and can effectively avoid or greatly reduce the embarrassing situations of blocking, scraping surgical instruments, winding sutures and the like in operation.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural diagram of the other side of the present utility model.

Fig. 3 is a schematic view of the structure of the bottom part of the present utility model.

Reference numerals annotate: the connecting frame 11, the limiting hole 12, the toggle rod 13, the limiting pin 14, the sliding block 15, the extension rod 16, the toggle block 17, the open eye hook 18, the sliding chute 19, the side block 20, the guide rod 21, the reset spring 22 and the buffer cushion 23.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

Example 1

In one embodiment, as shown in fig. 1-3, the adjustable eyelid retractor comprises a connecting frame 11 with a strip structure, two sliding blocks 15 are slidably arranged on the connecting frame 11, the sliding blocks 15 are connected with the connecting frame 11 through sliding components, one end of each sliding block 15 is provided with an extension rod 16 which is parallel to the surface of the connecting frame 11, the end part of each extension rod 16 is provided with an open eye hook 18 which extends downwards and is used for pulling out eyelid, the open eye hook 18 is of a U-shaped bending structure, the open eye hook 18 is made of titanium alloy materials, the uncomfortable problem caused when the open eye hook 18 is contacted with eyelid is reduced, the end parts of the open eye hooks 18 are rounded, the water caltrop is prevented from damaging skin, reset components for driving the two sliding blocks 15 to slide towards the two ends of the connecting frame 11 are further arranged on the two connecting frames 11, elastic force is provided by the reset components, thereby the open eye hook 18 is stretched out of the eye, the outer side of each sliding block 15 is provided with a poking rod 13, the poking rod 13 is provided with a layer, and the poking rod 13 faces towards one side of the bending hook 18, so that the side of the eye hook 18 is bent towards the side of the eye hook 18, and the side of the eye hook is more effective in a scraping operation, and the situation of a doctor is prevented from being wound on the eye structure or more effectively wound;

the upper end of the connecting frame 11 is also provided with a limiting component for limiting the separation amplitude of the two eye-opening hooks 18, the problem of discomfort caused by overlarge opening and closing of eyes is avoided through the limitation of the separation amplitude, because the opening and closing amplitudes born by different eyes are different, the limiting component comprises two groups of limiting holes 12 formed in the surface of the connecting frame 11, the two limiting holes 12 are symmetrically arranged at the upper end of the connecting frame 11, each limiting hole 12 is communicated with a sliding groove 19, at least one limiting pin 14 is arranged in each group of limiting holes 12, the limiting pins 14 are in threaded connection with the limiting holes 12, and the sliding limit of the sliding block 15 can be limited by switching the positions of the limiting pins 14, so that the opening amplitude of the two eye-opening hooks 18 is limited;

the reset assembly comprises guide holes arranged on the two sliding blocks 15, a guide rod 21 penetrates through the two guide holes, two ends of the guide rod 21 are fixedly connected with a side block 20 at the outer side of the connecting frame 11, a reset spring 22 is sleeved on the guide rod 21, two ends of the reset spring 22 are connected with the two sliding blocks 15, the middle position of the reset spring 22 is fixedly connected with the surface of the guide rod 21, and therefore under the action of elastic force of the reset spring 22, the sliding blocks 15 can drive the two eye opening hooks 18 to be far away, and power is provided for opening eyelid;

the sliding component comprises sliding grooves 19 formed in the left side surface and the right side surface of the connecting frame 11, and sliding grooves matched with the connecting frame 11 are formed in the upper surface and the lower surface of the sliding block 15, so that the sliding block 15 can be clamped in the connecting frame 11, and the problem of separation is avoided;

the upper end of each extension rod is also provided with a poking block 17 convenient for poking by hand, and the poking blocks 17 are in a semicircular structure through pinching the two poking blocks 17 by hand so as to drive the two open-eye hooks 18 to separate.

Example 2

The difference from example 1 is that: the surface of the connecting frame 11 where the limiting hole 12 is positioned is provided with scale bars, so that a certain reference can be provided for adjustment.

Example 3

The difference from example 2 is that: the lower extreme of link 11 is equipped with blotter 23, the blotter 23 adopts silica gel material to make, and the laminating of link 11 bottom and face can be more reliable like this.

The above embodiment discloses an adjustable eyelid retractor, wherein, in actual use, the connecting frame 11 is placed on the face of a patient, the extension rod 16 is arranged towards eyes, two toggle rods 13 are pinched by hands to enable two eye hooks 18 to approach each other, then the upper eyelid and the lower eyelid are supported by the two eye hooks 18, and then the toggle rods 13 are slowly released to open the eyelid, so that the insertion position of the limiting pin 14 can be adjusted according to the eye sizes of different patients, the leaving amplitude of the sliding block 15 is limited, and the requirements of different people are met.

The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. The adjustable eyelid retractor comprises a connecting frame (11) with a strip structure, two sliding blocks (15) are arranged on the connecting frame (11) in a sliding mode, the sliding blocks (15) are connected with the connecting frame (11) through sliding components, one end of each sliding block (15) is provided with an extension rod (16) which is parallel to the surface of the connecting frame (11), and the end part of each extension rod (16) is provided with an eye opening hook (18) which extends downwards and is used for poking eyelid;

the eye opening hook is characterized in that the eye opening hook (18) is of a U-shaped bending structure, the end parts of the eye opening hook (18) are arranged in a rounding mode, reset assemblies for driving two sliding blocks (15) to slide towards two ends of the connecting frames (11) are further arranged on the two connecting frames (11), a poking rod (13) is arranged on the outer side of each sliding block (15), and the poking rod (13) bends towards one side of the eye opening hook (18); the upper end of the connecting frame (11) is also provided with a limiting component for limiting the separation range of the two open eye hooks (18).

2. The adjustable eyelid retractor according to claim 1, wherein the eye opening hook (18) is made of a titanium alloy material.

3. The adjustable eyelid retractor according to claim 1, characterized in that the outside of the toggle lever (13) is provided with an anti-slip layer.

4. The adjustable eyelid retractor according to claim 1, wherein the limiting assembly comprises two groups of limiting holes (12) formed in the surface of the connecting frame (11), the two limiting holes (12) are symmetrically formed in the upper end of the connecting frame (11), at least one limiting pin (14) is arranged in each group of limiting holes (12), the limiting pin (14) is used for blocking the sliding block (15), and the limiting pins (14) are in threaded connection with the limiting holes (12).

5. The adjustable eyelid retractor according to claim 1, wherein the reset assembly comprises guide holes arranged on two sliding blocks (15), a guide rod (21) penetrates through the two guide holes, two ends of the guide rod (21) are fixedly connected with side blocks (20) on the outer side of the connecting frame (11), a reset spring (22) is sleeved on the guide rod (21), two ends of the reset spring (22) are connected with the two sliding blocks (15), and the middle position of the reset spring (22) is fixedly connected with the surface of the guide rod (21).

6. The adjustable eyelid retractor according to claim 1, wherein the sliding assembly comprises sliding grooves (19) formed on the left and right sides of the connecting frame (11), and sliding grooves matched with the connecting frame (11) are formed on the upper and lower surfaces of the sliding block (15).

7. The adjustable eyelid retractor according to claim 1, wherein a toggle block (17) is further provided at the upper end of each extension rod (16), and the toggle block (17) has a semicircular structure.

8. The adjustable eyelid retractor according to claim 4, wherein the limiting hole (12) is provided with graduation strips on the surface of the connecting frame (11).

9. The adjustable eyelid retractor according to claim 1, wherein the lower end of the connecting frame (11) is provided with a cushion pad (23), and the cushion pad (23) is made of a silica gel material.