CN219501074U

CN219501074U - Eyelid fixer for cornea refractive operation

Info

Publication number: CN219501074U
Application number: CN202222210376.8U
Authority: CN
Inventors: 罗晓军
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-08-11
Anticipated expiration: 2032-08-22

Abstract

The utility model discloses an eyelid retractor for cornea refractive surgery, and relates to the technical field of eyelid retractor. The utility model comprises a shell, wherein two symmetrically arranged supporting rods are connected with the inner wall of the shell in a sliding way, eyelid opening hooks are arranged at the end parts of the supporting rods, sliding blocks are fixed at the end parts of the supporting rods, two symmetrically arranged U-shaped blocks are fixed on the inner wall of the shell, the U-shaped blocks are connected with the sliding blocks in a sliding way, and an adjusting mechanism is arranged in the shell. According to the utility model, the distance between the eyelid hooks is adjusted by moving the adjusting rod, so that the guide post slides in the chute, the distance between the eyelid hooks is adjusted, the condition that the traditional bolt adjusting mode is easy to adjust due to the inconvenience of sliding by hands is reduced, the convenience of use is improved, the eyelid hooks are quickly detached and installed by utilizing the structures such as the sliding post, the convenient eyelid hooks are conveniently selected according to the actual conditions of patients and operations, the uncomfortable feeling of the patients in the operation process is reduced, and the convenience of use is improved.

Description

Eyelid fixer for cornea refractive operation

Technical Field

The utility model relates to the technical field of eyelid opening fixtures, in particular to a eyelid opening fixture for cornea refractive surgery.

Background

The cornea refractive surgery is an operation for correcting myopia, hyperopia and astigmatism by changing the refractive state of human eyes, and in order to expand the surgical field during the operation and reduce the occurrence of the influence of unconscious blinks of a patient during the operation on the operation, the eyelid needs to be expanded and supported by using an eyelid opening fixer.

The existing eyelid-opening fixer with adjustable eyelid-opening hook distance generally adopts a thread structure, the eyelid-opening hook distance is adjusted by rotating a bolt, and because the whole structure of the eyelid-opening fixer is smaller, the bolt is smaller and medical staff needs to wear gloves in the operation process, and when the bolt is rotated, the adjustment is inconvenient due to smaller contact area and friction force.

Disclosure of Invention

The utility model aims at: the utility model provides an eyelid retractor for cornea refractive surgery, which aims to solve the problem that the contact area is small and the adjustment is inconvenient when a bolt is rotated.

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a cornea refractive surgery eyelid fixer, includes the casing, shells inner wall sliding connection has two bracing pieces that are symmetrical arrangement, the eyelid hook is installed to the bracing piece tip, bracing piece tip is fixed with the sliding block, shells inner wall is fixed with two U-shaped pieces that are symmetrical arrangement, be sliding connection between U-shaped piece and the sliding block, be provided with adjustment mechanism in the casing.

By adopting the technical scheme, the eyelid opening hook is placed in the eye socket to fix the eyelid, the distance between the eyelid opening hooks is adjusted by the adjusting mechanism according to the actual eyelid condition of the patient, the comfort level of the patient is improved, and the operation is convenient.

Further, adjustment mechanism is including fixing the limiting plate at shells inner wall, limiting plate quantity is two and be the symmetry and arrange, limiting plate side sliding connection has the regulating plate, two chute that are the symmetry and arrange have been seted up on the regulating plate, the sliding block lower extreme is fixed with the guide post, be sliding connection between guide post and the chute, the regulating plate side is fixed with the regulation pole, be sliding connection between regulation pole and the casing, the casing side is provided with spacing subassembly.

Through adopting above-mentioned technical scheme, inwards promote the regulation pole for the regulating plate slides on the casing, thereby makes chute position change, and the guide post receives the chute restriction to slide in the chute, thereby makes the sliding block remove in the U-shaped piece, thereby changes the position of bracing piece, realizes the regulation to the eyelid opening hook interval.

Further, the limit assembly comprises a bearing frame sleeved outside the adjusting rod, the bearing frame is fixedly connected with the shell, a plurality of round holes which are arranged in a straight line array are formed in the side face of the adjusting rod, a limit spring is fixed on the side face of the bearing frame, a limit column is fixed at the end of the limit spring, and the limit column is in sliding connection with the bearing frame.

Through adopting above-mentioned technical scheme, outwards remove spacing post and make it keep away from the regulation pole, remove the regulation pole, when removing to suitable position, release spacing post, spacing spring makes spacing post inwards remove because of its characteristic to in making spacing post tip get into the round hole, realize the spacing fixed of adjusting the pole.

Further, fixed blocks are fixed on two sides of the adjusting plate, guide grooves are formed in the side faces of the limiting plate, and the guide grooves are in sliding connection with the fixed blocks.

Through adopting above-mentioned technical scheme, when pushing the regulation pole and making the regulating plate slide on the casing, the fixed block removes in the guide way, has the guide effect to the regulating plate, and it slides in the casing upper end of being convenient for.

Further, bracing piece tip sliding connection has the slip post, spacing recess has been seted up to the bracing piece side, be sliding connection between spacing recess and the slip post, spacing recess inner wall is fixed with reset spring, be fixed connection between reset spring and the slip post, the spout has been seted up to the eyelid opening hook side, spacing hole has been seted up to the spout inner wall, spacing hole and slip post looks adaptation.

Through adopting above-mentioned technical scheme, handheld bracing piece rotates the eyelid hook and makes the slip post keep away from spacing hole, and slip post tip and spout inner wall contact, reset spring receive the extrusion, outwards remove the eyelid hook for the slip post removes in the spout, makes the eyelid hook keep away from the bracing piece, realizes the dismantlement to the eyelid hook.

Further, a silica gel cushion is fixed at the lower end of the shell, and the silica gel cushion is rectangular.

By adopting the technical scheme, when the eyelid of a patient is fixed, the silica gel cushion is contacted with the facial skin of the patient, so that the shell is tightly attached to the skin, and discomfort caused by direct contact between the skin of the patient and the medical instrument is reduced.

In summary, the present utility model includes at least one of the following advantages;

1. according to the utility model, when a cornea refractive operation is performed, the adjusting plate is moved by moving the adjusting rod, so that the guide post slides in the chute, the distance between the eyelid opening hooks is adjusted, the condition that the traditional bolt adjusting mode is easy to adjust due to the inconvenience of sliding by hands is reduced, and the convenience of use is improved.

2. According to the utility model, when a proper eyelid opening hook is required to be selected according to the size of the eye sockets of a patient and the actual condition of operation, the eyelid opening hook is quickly detached and installed by utilizing the sliding column and other structures, so that the discomfort of the patient in the operation process is reduced, and the working efficiency is improved.

Drawings

FIG. 1 is a first perspective view of a housing of the present utility model;

FIG. 2 is a second perspective view of the housing of the present utility model;

FIG. 3 is an enlarged schematic view of the utility model at A in FIG. 1;

fig. 4 is a sectional view of the support bar of the present utility model.

Reference numerals illustrate:

1. a housing; 2. a support rod; 3. an eyelid opening hook; 4. a sliding block; 5. a U-shaped block; 6. an adjusting mechanism; 8. a silica gel cushion; 61. a limiting plate; 62. an adjusting plate; 63. a chute; 64. a guide post; 65. an adjusting rod; 66. a limit component; 661. a carrying frame; 662. a round hole; 663. a limit spring; 664. a limit column; 67. a fixed block; 68. a guide groove; 71. a sliding column; 72. a limit groove; 73. a return spring; 74. a chute; 75. and a limiting hole.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-4.

The embodiment of the utility model discloses an eyelid fixer for cornea refractive surgery.

Referring to fig. 1 and 2, a eyelid opening fixer for cornea refractive surgery comprises a casing 1, two symmetrically arranged support rods 2 are slidably connected to the inner wall of the casing 1, eyelid opening hooks 3 are mounted at the ends of the support rods 2, sliding blocks 4 are fixed at the ends of the support rods 2, two symmetrically arranged U-shaped blocks 5 are fixed to the inner wall of the casing 1, the U-shaped blocks 5 are slidably connected with the sliding blocks 4, and an adjusting mechanism 6 is arranged in the casing 1. When the cornea refractive surgery is carried out, in order to expand the surgery visual field, the situation that the influence of unconscious blink of a patient on the surgery is reduced, the eyelid of the patient is required to be fixed by using an eyelid opening fixer, the eyelid opening hook 3 is placed in the eyelid to fix the eyelid, the distance between the eyelid opening hooks 3 is adjusted according to the actual eyelid situation of the patient by using the adjusting mechanism 6, the comfort level of the patient is improved, and the surgery operation is convenient.

Referring to fig. 1 and 2, the adjusting mechanism 6 includes two limiting plates 61 fixed on the inner wall of the housing 1, the limiting plates 61 are symmetrically arranged, the side surfaces of the limiting plates 61 are slidably connected with an adjusting plate 62, two symmetrically arranged inclined grooves 63 are formed in the adjusting plate 62, a guide post 64 is fixed at the lower end of the sliding block 4, the guide post 64 is slidably connected with the inclined grooves 63, an adjusting rod 65 is fixed on the side surface of the adjusting plate 62, the adjusting rod 65 is slidably connected with the housing 1, and a limiting assembly 66 is arranged on the side surface of the housing 1. When the distance between the eyelid-opening hooks 3 is required to be adjusted according to the actual condition of a patient, the adjusting rod 65 is pushed inwards, the adjusting plate 62 slides on the shell 1, so that the position of the chute 63 is changed, the guide post 64 is limited by the chute 63 to slide in the chute 63, so that the sliding block 4 moves in the U-shaped block 5, the position of the supporting rod 2 is changed, the adjustment of the distance between the eyelid-opening hooks 3 is realized, patients with different eyelid conditions are convenient to adapt, and the condition that the traditional bolt adjusting mode is easy to slide by hands and inconvenient to adjust the distance between the eyelid-opening hooks 3 is reduced.

Referring to fig. 1 to 3, the limiting assembly 66 includes a bearing frame 661 sleeved outside the adjusting rod 65, the bearing frame 661 is fixedly connected with the housing 1, a plurality of round holes 662 arranged in a line array are formed in the side face of the adjusting rod 65, a limiting spring 663 is fixed on the side face of the bearing frame 661, a limiting post 664 is fixed at the end of the limiting spring 663, and the limiting post 664 is in sliding connection with the bearing frame 661. When the spacing of the eyelid opening hooks 3 is adjusted by moving the adjusting rod 65, the limiting posts 664 are moved outwards to be far away from the adjusting rod 65, when the adjusting rod 65 is moved to a proper position, the limiting posts 664 are released, the limiting springs 663 enable the limiting posts 664 to move inwards due to the characteristics of the limiting springs, the end portions of the limiting posts 664 enter the round holes 662, limiting fixation of the adjusting rod 65 is achieved, and using convenience is improved.

Referring to fig. 2, fixing blocks 67 are fixed on both sides of the adjusting plate 62, a guide groove 68 is formed on the side surface of the limiting plate 61, and the guide groove 68 is slidably connected with the fixing blocks 67. When the adjusting lever 65 is pushed so that the adjusting plate 62 slides on the housing 1, the fixing block 67 moves in the guide groove 68, and the adjusting plate 62 has a guide function so that it slides on the upper end of the housing 1.

Referring to fig. 3 and 4, the end of the support rod 2 is slidably connected with a sliding column 71, a limit groove 72 is formed in the side surface of the support rod 2, the limit groove 72 is slidably connected with the sliding column 71, a return spring 73 is fixed on the inner wall of the limit groove 72, the return spring 73 is fixedly connected with the sliding column 71, a sliding groove 74 is formed in the side surface of the eyelid opening hook 3, a limit hole 75 is formed in the inner wall of the sliding groove 74, and the limit hole 75 is matched with the sliding column 71. When the proper eyelid opening hook 3 is needed to be selected according to the practical conditions of the size of the eye sockets of a patient, different depths and the like, the support rod 2 is held by the hand, the eyelid opening hook 3 is rotated to enable the sliding column 71 to be far away from the limiting hole 75, the end part of the sliding column 71 is contacted with the inner wall of the sliding groove 74, the reset spring 73 is extruded to move the eyelid opening hook 3 outwards, the sliding column 71 is enabled to move in the sliding groove 74, the eyelid opening hook 3 is far away from the support rod 2, the eyelid opening hook 3 is detached, when the eyelid opening hook 3 of different types is installed, the eyelid opening hook 3 is enabled to be close to the support rod 2, the sliding column 71 is enabled to move in the sliding groove 74, when the end part of the support rod 2 is in contact with the inner wall of the sliding groove 74, the sliding column 71 is pushed by the reset spring 73 to be in contact with the inner wall of the limiting hole 75 due to the characteristics of the sliding column 71, the eyelid opening hook 3 is rapidly installed, and the eyelid opening hook 3 can be replaced according to the eye socket size of the patient or the operation requirement, and convenience in use is improved.

Referring to fig. 1, a silica gel cushion 8 is fixed to a lower end of a housing 1, and the silica gel cushion 8 is rectangular. When the eyelid of a patient is fixed, the silica gel cushion 8 is contacted with the facial skin of the patient, so that the shell 1 is tightly attached to the skin, and discomfort caused by direct contact of the skin of the patient and medical equipment is reduced.

Working principle: when the eyelid of a patient needs to be fixed by using the eyelid retractor to enlarge the operation field of view, a proper eyelid retractor 3 is selected according to the actual conditions of the patient and the operation, so that the eyelid retractor 3 is close to the supporting rod 2, the sliding column 71 moves in the sliding groove 74, when the end part of the supporting rod 2 is in conflict with the inner wall of the sliding groove 74, the eyelid retractor 3 is rotated to enable the sliding column 71 to move into the limiting hole 75, the reset spring 73 pushes the sliding column 71 to be in conflict with the inner wall of the limiting hole 75 due to the characteristics of the reset spring, and the rapid installation and detachment of the eyelid retractor 3 are realized, so that the use convenience is improved. The eyelid opening hook 3 is placed in an eye socket of a patient, the limiting post 664 is moved outwards to enable the eyelid opening hook 3 to be far away from the adjusting rod 65, the adjusting rod 65 is pushed inwards, the adjusting plate 62 slides on the shell 1, the relative position between the chute 63 and the shell 1 is changed, the guide post 64 is limited by the chute 63 to slide in the chute 63, the sliding block 4 moves in the U-shaped block 5, the position of the supporting rod 2 is changed, adjustment of the distance between the eyelid opening hooks 3 is achieved, the adjustment is convenient for the patient with different eyelid conditions, and the condition that the traditional bolt adjustment mode is easy to slide by hands and inconvenient to adjust the distance between the eyelid opening hooks 3 is reduced. When the adjusting rod 65 is moved to a proper position, the limiting post 664 is released, and the limiting spring 663 enables the limiting post 664 to move inwards due to the characteristics of the limiting spring, so that the end part of the limiting post 664 enters the round hole 662, limiting fixation of the adjusting rod 65 is achieved, and using convenience is improved.

Claims

1. The utility model provides a cornea refractive surgery eyelid fixer, includes casing (1), casing (1) inner wall sliding connection has two bracing piece (2) that are symmetrical arrangement, eyelid hook (3) are installed to bracing piece (2) tip, its characterized in that: the end part of the supporting rod (2) is fixedly provided with a sliding block (4), two symmetrically arranged U-shaped blocks (5) are fixed on the inner wall of the shell (1), the U-shaped blocks (5) are in sliding connection with the sliding block (4), and an adjusting mechanism (6) is arranged in the shell (1).

2. The refractive surgical eyelid retractor of claim 1, wherein: adjustment mechanism (6) are including fixing limiting plate (61) at casing (1) inner wall, limiting plate (61) quantity is two and is symmetrical arrangement, limiting plate (61) side sliding connection has regulating plate (62), two chute (63) that are symmetrical arrangement have been seted up on regulating plate (62), slider (4) lower extreme is fixed with guide post (64), be sliding connection between guide post (64) and chute (63), regulating plate (62) side is fixed with adjusts pole (65), be sliding connection between adjusting pole (65) and casing (1), casing (1) side is provided with spacing subassembly (66).

3. The refractive surgical eyelid retractor of claim 2, wherein: the limiting assembly (66) comprises a bearing frame (661) sleeved outside the adjusting rod (65), the bearing frame (661) is fixedly connected with the shell (1), a plurality of round holes (662) which are arranged in a line array are formed in the side face of the adjusting rod (65), limiting springs (663) are fixed on the side face of the bearing frame (661), limiting columns (664) are fixed at the end portions of the limiting springs (663), and the limiting columns (664) are in sliding connection with the bearing frame (661).

4. The refractive surgical eyelid retractor of claim 2, wherein: fixed blocks (67) are fixed on two sides of the adjusting plate (62), guide grooves (68) are formed in the side faces of the limiting plates (61), and the guide grooves (68) are in sliding connection with the fixed blocks (67).

5. The refractive surgical eyelid retractor of claim 1, wherein: the utility model discloses a lid-opening hook, including bracing piece (2) tip sliding connection, bracing piece (2) tip sliding connection has slip post (71), spacing recess (72) have been seted up to bracing piece (2) side, be sliding connection between spacing recess (72) and slip post (71), spacing recess (72) inner wall is fixed with reset spring (73), be fixed connection between reset spring (73) and slip post (71), spout (74) have been seted up to lid-opening hook (3) side, spacing hole (75) have been seted up to spout (74) inner wall, spacing hole (75) and slip post (71) looks adaptation.

6. The refractive surgical eyelid retractor of claim 1, wherein: the lower end of the shell (1) is fixedly provided with a silica gel cushion (8), and the silica gel cushion (8) is rectangular.