Eyelid opening device for ophthalmic examination

Abstract

The utility model provides an eyelid distraction device for ophthalmologic examination, which comprises a first movable arm and a second movable arm, the first movable arm is hinged with the second movable arm, one end of the first movable arm far away from a hinge point is provided with a first rotating disc, and one end of the second movable arm far away from the hinge point is provided with a second rotating disc; the first opening piece and the second opening piece are rotationally connected to the first rotating disc and the second rotating disc respectively. Certain included angles are formed between the first movable arm and the first distraction piece and between the second movable arm and the second distraction piece, so that the first distraction piece and the second distraction piece enter the eyelids, medical workers are prevented from adjusting the operation application angle through the wrist, and the discomfort of the wrist caused by the poor operation application angle of the medical workers is relieved; and the final operation effect is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of ophthalmic examination equipment, and in particular relates to an eyelid stretching device for ophthalmic examination. Background Art

[0002] During an ophthalmic examination, professional tools are required to open the patient's eyelids to facilitate observation and judgment by medical staff. In the prior art, a compass-type eyelid opening and cleaning mechanism is disclosed, which includes left and right hinge arms, an adjustment rod, and an eyelid opening arm, wherein the rear end ends of the left and right hinge arms are hinged through a hinge seat, and the eyelids are mainly opened by relying on the eyelid opening arm structure.

[0003] The compass-type eyelid stretching and cleaning mechanism is mainly responsible for stretching the eyelids, and the eyelid stretching arm is fixedly connected to the left and right hinge arms. Due to individual differences in the patient's face and eye shape, the fixed-angle structure requires medical staff to use wrist movements to change the operation angle. In some conditions, the operation angle is not good, which will affect the wrist movement and cause discomfort and ultimately affect the operation effect. Utility Model Content

[0004] The utility model provides an eyelid stretching device for ophthalmic examination, and the utility model is implemented as follows: an eyelid stretching device for ophthalmic examination comprises:

[0005] A first movable arm and a second movable arm, wherein the first movable arm and the second movable arm are hingedly connected, a first rotating disk is provided at one end of the first movable arm away from the hinge point, and a second rotating disk is provided at one end of the second movable arm away from the hinge point;

[0006] A first spreading member and a second spreading member, wherein the first spreading member and the second spreading member are rotatably connected to the first rotating disk and the second rotating disk respectively.

[0007] Preferably, the first movable arm comprises a first rod body, a first rotating disk and a hinge shaft; the hinge shaft is arranged at one end of the first rod body away from the first rotating disk;

[0008] The second movable arm comprises a second rod body, a second rotating disk and a hinge seat, wherein the hinge seat is arranged at an end of the first rod body away from the first rotating disk;

[0009] The hinge seat is rotatably connected to the hinge shaft.

[0010] Preferably, the first spreading member comprises a chuck, a support rod and a paddle, the support rod is connected to the chuck, and the paddle is arranged on the support rod.

[0011] Preferably, the first rotating disk comprises a disk body, a plurality of groups of limiting slots and bearings;

[0012] The limit slot is arranged on the end surface of the disc body in contact with the first support member, and the bearing is located at the center of the disc body.

[0013] Preferably, the end surface of the chuck that is in contact with the chuck body is provided with a ridge, and the ridge is adapted to the limiting groove.

[0014] Preferably, the first rotating disk and the second rotating disk have the same structure.

[0015] Preferably, the first expansion member and the second expansion member are symmetrical structures.

[0016] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0017] 1. The eyelid stretching device for ophthalmic examination provided by the utility model allows the first and second movable arms to present a certain angle with the first and second stretching members so that the first and second stretching members enter the eyelids, thereby avoiding the medical staff from using their wrists to adjust the operating angle, reducing the discomfort caused to the wrists of the medical staff by bad operating angles, and ensuring the final operating effect.

[0018] 2. The eyelid stretching device for ophthalmic examination provided by the utility model can adjust the angles of the first stretching member and the second stretching member to avoid the first movable arm and the second movable arm pressing the patient's eyes or face during operation, causing discomfort to the patient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The utility model is a structural schematic diagram of an eyelid stretching device for ophthalmic examination provided by the utility model.

[0020] Figure 2 The utility model is a schematic structural diagram of a first opening member and a second opening member of an eyelid opening device for ophthalmic examination provided by the utility model.

[0021] Figure 3 The utility model is a schematic structural diagram of a first movable arm and a second movable arm of an eyelid stretching device for ophthalmic examination provided by the utility model.

[0022] Figure 4 The utility model is a structural schematic diagram of a middle limit rod assembly of an eyelid stretching device for ophthalmic examination provided by the utility model.

[0023] Figure 5 The utility model is a schematic structural diagram of a first movable arm and a first opening member of an eyelid opening device for ophthalmic examination provided by the utility model.

[0024] Figure 6 The utility model is a schematic diagram of the first rotating disk and the chuck structure of an eyelid stretching device for ophthalmic examination provided by the utility model.

[0025] Figure 7 The utility model is a schematic diagram of the structure of convex ridges and limit slots of an eyelid stretching device for ophthalmic examination provided by the utility model.

[0026] Description of reference numerals:

[0027] 110, first movable arm; 111, first rod body; 112, first rotating disk; 1121, disk body; 1122, limit slot; 1123, bearing; 113, articulated shaft; 1131, limit disk; 1132, hollow shaft;

[0028] 120, second movable arm; 121, second rod body; 122, second rotating disk; 123, hinge seat; 1231, hinge disk; 1232, rotating shaft;

[0029] 130. Torsion spring;

[0030] 210, first opening member; 211, shaft column; 212, chuck; 213, support rod; 214, paddle; 215 convex edge; 220, second opening member;

[0031] 300, limit rod assembly; 310, connecting rod; 320, hinged column; 330, sliding column; 340, locking nut. DETAILED DESCRIPTION

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0033] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0034] The present invention provides an eyelid opening device for ophthalmic examination. Figure 1-Figure 7 As shown, the eyelid stretching device for ophthalmic examination includes:

[0035] A first movable arm 110 and a second movable arm 120, wherein the first movable arm 110 and the second movable arm 120 are hingedly connected, a first rotating disk 112 is provided at one end of the first movable arm 110 away from the hinge point, and a second rotating disk 122 is provided at one end of the second movable arm 120 away from the hinge point;

[0036] A first spreading member 210 and a second spreading member 220, wherein the first spreading member 210 and the second spreading member 220 are rotatably connected to the first rotating disk 112 and the second rotating disk 122 respectively;

[0037] The first spreading member 210 is rotatably connected to the first rotating disk 112, and the second spreading member 220 is rotatably connected to the second rotating disk 122. Before the spreading operation, the medical staff adjusts the angles between the first spreading member 210 and the second spreading member 220 and the first movable arm 110 and the second movable arm 120 as needed to facilitate adjustment according to the facial condition;

[0038] Here, the first spreading member 210 and the second spreading member 220 are rotatably connected to the first rotating disk 112 and the second rotating disk 122 respectively. The first movable arm 110 and the second movable arm 120 allow the first spreading member 210 and the second spreading member 220 to present different angles, so that the spreading process is more gentle, and can be appropriately matched with the patient's face and eye shape, bringing a comfortable experience to the patient while reducing the discomfort of hand-held operation;

[0039] For example, the first opening member 210 and the second opening member 220 are at the same horizontal plane as the eyes in the observation state, and the first movable arm 110 and the second movable arm 120 are initially kept flush with the first opening member 210 and the second opening member 220, and the angle can be fine-tuned to make the first movable arm 110 and the second movable arm 120 present a certain angle with the first opening member 210 and the second opening member 220 so that the first opening member 210 and the second opening member 220 enter the eyelid. The specific angle selection can be fine-tuned according to the eye shape and facial conditions, reducing the discomfort of wrist operation of medical staff;

[0040] As a preferred implementation in this embodiment, the first movable arm 110 includes a first rod body 111, a first rotating disk 112 and a hinge shaft 113; the hinge shaft 113 is arranged at one end of the first rod body 111 away from the first rotating disk 112;

[0041] The second movable arm 120 includes a second rod body 121, a second rotating disk 122 and a hinge seat 123, and the hinge seat 123 is arranged at one end of the first rod body 111 away from the first rotating disk 112;

[0042] The hinge seat 123 is rotatably connected to the hinge shaft 113;

[0043] The articulated shaft 113 includes a limiting plate 1131, a shaft hole 1132 is provided at the center of the limiting plate 1131, and the first rod body 111 is connected to the limiting plate 1131;

[0044] The hinge seat 123 includes a hinge plate 1231 and a rotating shaft 1232, the rotating shaft 1232 is assembled between the hinge plates 1231, the second rod body 121 is connected to the hinge plate 1231, and a torsion spring 130 is arranged outside the hollow shaft 1132; the torsion foot of the torsion spring 130 is respectively in contact with and connected to the first rod body 111 and the second rod body 121, and the first movable arm 110 and the second movable arm 120 provide an expansion force through the torsion spring 130, so that the first movable arm 110 and the second movable arm 120 are separated from each other;

[0045] In this embodiment, the torsion spring 130, the hinge shaft 113 and the hinge seat 123 are prior art; they are mainly used to provide rebound support force for the first movable arm 110 and the second movable arm 120; the technical principle here is the same as the spring hinge structure;

[0046] As a preferred implementation in this embodiment, the first rotating disk 112 includes a disk body 1121, a limiting slot 1122 and a bearing 1123;

[0047] The limiting slot 1122 is provided on the end surface of the disk body 1121 which contacts the first opening member 210 , and the bearing 1123 is located at the center of the disk body 1121 ;

[0048] The first opening member 210 includes a chuck 212, a support rod 213 and a paddle 214. The support rod 213 is connected to the chuck 212. The paddle 214 is arranged on the support rod 213. The paddle 214 adopts an arc-shaped structure and is mainly used to open the eyelids.

[0049] A shaft column 211 is provided at the center of the chuck 212, and the shaft column 211 is assembled on the bearing 1123. The chuck 212 can rotate with the disk body 1121 through the shaft column 211 and the bearing 1123.

[0050] The end surface of the chuck 212 in contact with the disk body 1121 is provided with a ridge 215, and the ridge 215 is adapted to the limit slot 1122. During the rotation process, the ridge 215 moves to different limit slots 1122 along with the rotation action. Each rotation into a group of limit slots 1122 represents a rotation of one angle. After the ridge 215 is engaged with the limit slot 1122, a blocking force is generated to limit the rotation action between the chuck 212 and the disk body 1121, so as to ensure that the angle can be kept at a fixed position after adjustment.

[0051] As a preferred implementation in this embodiment, a limiting rod assembly 300 is further provided on the first movable arm 110 and the second movable arm 120, and the limiting rod assembly 300 includes a connecting rod 310, a hinge column 320, a sliding column 330 and a locking nut 340; the sliding column 330 is provided on the first movable arm 110, and the hinge column 320 is provided on the second movable arm 120;

[0052] The connecting rod 310 is provided with a sliding groove, one end of the connecting rod 310 is hinged to the hinge column 320, and the sliding column 330 is assembled in the sliding groove and slides along the sliding groove, and the locking nut 340 is threadedly matched with the sliding column 330, and the locking nut 340 is screwed into the connecting rod 310 to prevent the sliding column 330 and the connecting rod 310 from sliding. This part of the structure mainly adopts the existing technical means, and the present application does not make a specific description of the structure. The limiting rod assembly 300 mainly helps to fix the opening angle and limit the deflection of the first movable arm 110 and the second movable arm 120;

[0053] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0054] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. An eyelid stretching device for ophthalmic examination, characterized in that: include: A first movable arm and a second movable arm, the first movable arm and the second movable arm are hingedly connected, a first rotating disk is provided at one end of the first movable arm away from the hinge point, and a second rotating disk is provided at one end of the second movable arm away from the hinge point; a limiting rod assembly is provided between the first movable arm and the second movable arm; two ends of the limiting rod assembly are respectively connected to the first movable arm and the second movable arm; A first spreading member and a second spreading member, wherein the first spreading member and the second spreading member are rotatably connected to the first rotating disk and the second rotating disk respectively.

2. An eyelid stretching device for ophthalmic examination according to claim 1, characterized in that: The first movable arm comprises a first rod body, a first rotating disk and a hinge shaft; the hinge shaft is arranged at one end of the first rod body away from the first rotating disk; The second movable arm comprises a second rod body, a second rotating disk and a hinge seat, wherein the hinge seat is arranged at an end of the first rod body away from the first rotating disk; The hinge seat is rotatably connected to the hinge shaft.

3. An eyelid stretching device for ophthalmic examination according to claim 2, characterized in that: The first spreading member comprises a chuck, a support rod and a paddle, wherein the support rod is connected to the chuck, and the paddle is arranged on the support rod.

4. An eyelid stretching device for ophthalmic examination according to claim 3, characterized in that: The first rotating disk comprises a disk body, a plurality of groups of limiting slots and bearings; The limit slot is arranged on the end surface of the disc body in contact with the first support member, and the bearing is located at the center of the disc body.

5. An eyelid stretching device for ophthalmic examination according to claim 4, characterized in that: The end surface of the chuck that contacts and connects with the chuck body is provided with a ridge, and the ridge is adapted to the limit clamping groove.

6. An eyelid stretching device for ophthalmic examination according to claim 5, characterized in that: The first rotating disk and the second rotating disk have the same structure.

7. An eyelid stretching device for ophthalmic examination according to claim 6, characterized in that: The first expansion member and the second expansion member are symmetrical structures.

8. An eyelid stretching device for ophthalmic examination according to claim 7, characterized in that: The limit rod assembly includes a connecting rod, a hinged column, a sliding column and a locking nut; the sliding column is arranged on the first movable arm, and the hinged column is arranged on the second movable arm; a sliding groove is provided on the connecting rod, one end of the connecting rod is hinged to the hinged column, and the sliding column is assembled in the sliding groove and slides along the sliding groove, and the locking nut is matched with the sliding column thread, and the locking nut is supported on the connecting rod by screwing in.

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