CN214017658U

CN214017658U - Medical ophthalmology eye speculum

Info

Publication number: CN214017658U
Application number: CN202022695061.8U
Authority: CN
Inventors: 于明洲; 王蒙
Original assignee: Changchun Ruichi Medical Instrument Co ltd
Current assignee: Changchun Ruichi Medical Instrument Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-08-24
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a medical ophthalmology eye speculum, including frame and two sets of clamp plates, two sets of expansion arms are arranged to frame inside, the expansion arm is the elastic steel construction of V-arrangement, and the opening direction of two sets of expansion arms is the same, the obturator end and the frame fixed mounting of expansion arm, the inside adjustment mechanism who all is provided with restriction opening angle of two sets of expansion arms, the both ends of clamp plate rotate the installation respectively with the free end that two sets of expansion arms are in the homonymy, the clamp plate surface is provided with the eye speculum that can twitch perpendicularly, and the twitch direction parallel of eye speculum in two sets of clamp plates, and this medical ophthalmology eye speculum passes through the both ends of clamp plate and rotates the installation with the expansion arm of difference respectively, through the opening degree to different expansion arms regulation, realizes the clamp plate angular adjustment, realizes the free adjustment of two sets of eye speculum contained angles promptly.

Description

Medical ophthalmology eye speculum

Technical Field

The utility model relates to the technical field of medical auxiliary equipment, in particular to a medical ophthalmology eyelid retractor.

Background

The eyelid, commonly known as eyelid, is located in front of the eyeball to form a barrier for protecting the eyeball, the eyelid is divided into upper and lower eyelids, the eyelid is generally required to be opened for facilitating the operation when the eye operation is performed, and the eyelid retractor is a tool for opening the eyelid of a patient for facilitating the operation when the eye operation is performed, and is beneficial to opening the operation visual field.

The existing eyelid retractor is divided into a steel wire eyelid retractor, a translation eyelid retractor (a plate-type eyelid retractor) and an adjustable sheet eyelid retractor according to the structure, when eyelid retractor is used, the included angle of two groups of eyelid retractor can not be adjusted or only one end interval can be always smaller than the other end, the adjusting mode is extremely unscientific, and the eyelid retractor is difficult to be used by different patients.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a medical ophthalmology eye speculum, rotate the installation with different expansion arms respectively through the both ends of clamp plate, adjust through the opening degree to different expansion arms, realize clamp plate angular adjustment, realize the free adjustment of two sets of eye speculum hook contained angles promptly, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a medical ophthalmology eye speculum, includes frame and two sets of clamp plates, two sets of expansion arms are arranged to frame inside, the expansion arm is the elastic steel structure of V-arrangement, and the opening direction of two sets of expansion arms is the same, the obturator end and the frame fixed mounting of expansion arm, the inside adjustment mechanism who all is provided with restriction opening angle of two sets of expansion arms, the both ends of clamp plate rotate the installation respectively with the free end that two sets of expansion arms are in the homonymy, the clamp plate surface is provided with the eye speculum that can draw perpendicularly, and the direction of drawing of eye speculum hook is parallel in two sets of clamp plates.

As a preferred technical scheme of the utility model, the adjusting mechanism comprises two groups of relatively fixed slide blocks which are respectively installed with the two side walls of the expansion arm in a relatively sliding way, and a limiting mechanism for limiting the relative position relationship between the slide blocks and the frame is arranged in the frame;

the expansion arm is of a V-shaped structure, and when two groups of relatively fixed sliding blocks respectively slide relative to two side walls of the expansion arm, the opening size of the expansion arm is automatically driven to be adjusted.

As a preferred technical scheme of the utility model, the limiting mechanism is a lead screw, one end of the lead screw is rotatably installed with the frame, a lead screw nut meshed with the lead screw is arranged in the adjusting mechanism, and the axis of the lead screw is consistent with the opening direction of the expansion arm;

through the interaction of the screw rod and the screw rod nut, the adjusting mechanism is pulled to slide, so that the opening of the expansion arm is adjusted, and the self-locking function is realized, and the stability of the opening in the operation process is ensured.

As a preferred technical scheme of the utility model, the number of the screw rods arranged in the limiting mechanism is two, the adjusting mechanism is in threaded connection with one of the screw rods and is in sliding connection with the other screw rod, and the two adjusting mechanisms are in threaded connection with different screw rods;

and one group of the two groups of screw rods plays a role in drawing the sliding of the adjusting mechanism, and the other group plays a role in guiding the sliding direction.

As a preferred technical solution of the present invention, the frame includes a first fixing portion and a second fixing portion, the expansion arm and the lead screw are both assembled with the first fixing portion, a connecting buckle for fixing is provided between the first fixing portion and the second fixing portion, and a fixing port for connecting with an external fixing frame is provided in the second fixing portion;

through the split structure of the frame, the eyelid retractor and the external fixing mechanism are conveniently and quickly fixed and replaced.

As a preferred technical scheme of the utility model, an elastic part is arranged between the eyelid opening hook and the pressure plate along the drawing direction, when the elastic part is in a relaxed state, the pressure plate and the hook body part of the eyelid opening hook are in a clamped state;

through the drawing type design of the eyelid retractor, the eyelid can be always clamped by the eyelid retractor in the operation process, and the oppression on the eyeball is reduced.

Compared with the prior art, the beneficial effects of the utility model are that: the two ends of the pressing plate of the medical ophthalmology eyelid retractor are rotatably installed with different expansion arms respectively, the angle of the pressing plate is adjusted by adjusting the opening degrees of the different expansion arms, and the included angles of the two groups of eyelid retractor are freely adjusted, so that the different operation requirements of different stretching degrees of different ends of the eyelid in the operation are met.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a schematic view of the eyelid retractor of the present invention.

In the figure: the eyelid retractor comprises an eyelid opening hook 1, an elastic part 101, a pressure plate 2, an expansion arm 3, an adjusting mechanism 4, a sliding block 401, a screw rod 5, a frame 6, a first fixing part 601 and a second fixing part 602.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a medical ophthalmology eye speculum, including frame 6 and two sets of

clamp plates

2, 6 inside two sets of expansion arms 3 of arranging of frame, expansion arm 3 is the elastic steel structure of V-arrangement, and the opening direction of two sets of expansion arms 3 is the same, the closed end and the 6 fixed mounting of frame of expansion arm 3, two sets of 3 inside adjustment mechanism 4 that all are provided with restriction opening angle of expansion arm, the both ends of clamp plate 2 rotate the installation respectively with the free end that two sets of expansion arms 3 are in the homonymy, 2 surfaces of clamp plate are provided with the eye speculum hook 1 that can draw perpendicularly, the direction of drawing of eye speculum hook 1 is parallel in two sets of clamp plates 2.

The adjusting mechanism 4 comprises two groups of relatively fixed sliding blocks 401, the two groups of sliding blocks 401 are respectively installed with two side walls of the expansion arm 3 in a relatively sliding mode, and a limiting mechanism for limiting the relative position relation between the sliding blocks 401 and the rack 6 is arranged inside the rack 6;

the expansion arm 3 is a V-shaped structure, and when two sets of relatively fixed sliding blocks 401 respectively slide relative to two side walls of the expansion arm 3, the opening size of the expansion arm 3 is automatically driven to be adjusted.

The limiting mechanism is a screw rod 5, one end of the screw rod 5 is rotatably installed with the frame 6, a screw rod nut meshed with the screw rod 5 is arranged inside the adjusting mechanism 4, and the axis of the screw rod 5 is consistent with the opening direction of the expansion arm 3;

through the interaction of the screw rod 5 and the screw rod nut, the adjusting mechanism 4 is pulled to slide, so that the opening of the expansion arm 3 is adjusted, and the self-locking function is realized, and the stability of the opening in the operation process is ensured.

The two groups of screw rods 5 are arranged in the limiting mechanism, the adjusting mechanisms 4 are in threaded connection with one group of screw rods 5 and are in sliding connection with the other group of screw rods 5, and the two groups of adjusting mechanisms 4 are in threaded connection with different screw rods 5;

and one group of the two groups of screw rods 5 plays a role in drawing the adjusting mechanism 4 to slide, the other group plays a role in guiding the sliding direction, the sliding installation is that through holes are arranged in the adjusting mechanism 4, the inner diameter of each through hole is slightly larger than the diameter of each screw rod 5, and the screw rods 5 penetrate through the through holes.

The frame 6 comprises a first fixing part 601 and a second fixing part 602, the expansion arm 3 and the screw 5 are both assembled with the first fixing part 601, a connecting buckle for fixing is arranged between the first fixing part 601 and the second fixing part 602, and a fixing port for connecting with an external fixing frame is arranged in the second fixing part 602;

the eyelid retractor and the external fixing mechanism are conveniently and rapidly fixed and replaced through the split structure of the frame 6.

An elastic part 101 is arranged between the eyelid opening hook 1 and the pressure plate 2 along the drawing direction, and when the elastic part 101 is in a relaxing state, the pressure plate 2 and the hook body part of the eyelid opening hook 1 are in a clamping state;

through the drawing design of the eyelid retractor 1, the eyelid can be always clamped by the eyelid retractor 1 in the operation process, and the oppression to the eyeball is reduced.

When in use: firstly, fixing a rack 6 and a fixing mechanism beside an operating table, then pressing the upper end of an eyelid opening hook 1 to extend the eyelid opening hook to the lower part of the eyelid, then releasing the eyelid to clamp the eyelid, then simultaneously rotating two groups of screw rods 5 to make the openings of two groups of expansion arms 3 enlarged synchronously, thereby opening the eyelid, and when the opening at one end is larger than the opening at the other end, continuously enlarging the opening degree of the expansion arm 3 corresponding to the corresponding end.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a medical ophthalmology eye speculum, includes frame (6) and two sets of clamp plates (2), its characterized in that: frame (6) inside arranges two sets of expansion arms (3), expansion arm (3) are the elastic steel structure of V-arrangement, and the opening direction of two sets of expansion arms (3) is the same, the block end and frame (6) fixed mounting of expansion arm (3), two sets of expansion arm (3) inside all is provided with adjustment mechanism (4) of restriction opening angle, the both ends of clamp plate (2) rotate the installation respectively with the free end that two sets of expansion arms (3) are in the homonymy, clamp plate (2) surface is provided with can draw vertically the eyelid hook (1), and the twitch direction of eyelid hook (1) is parallel in two sets of clamp plate (2).

2. The medical ophthalmic eyelid retractor of claim 1, wherein: the adjusting mechanism (4) comprises two groups of relatively fixed sliding blocks (401), the two groups of sliding blocks (401) are respectively installed with two side walls of the expansion arm (3) in a relatively sliding mode, and a limiting mechanism for limiting the relative position relation between the sliding blocks (401) and the rack (6) is arranged inside the rack (6).

3. The medical ophthalmic eyelid retractor of claim 2, wherein: the limiting mechanism is a lead screw (5), one end of the lead screw (5) is rotatably installed with the rack (6), a lead screw nut meshed with the lead screw (5) is arranged inside the adjusting mechanism (4), and the axis of the lead screw (5) is consistent with the opening direction of the expansion arm (3).

4. The medical ophthalmic eyelid retractor of claim 3, wherein: the screw rods (5) arranged in the limiting mechanism are divided into two groups, the adjusting mechanisms (4) are in threaded connection with one group of screw rods (5) and are in sliding connection with the other group of screw rods (5), and the two groups of adjusting mechanisms (4) are in threaded connection with different screw rods (5).

5. The medical ophthalmic eyelid retractor of claim 4, wherein: frame (6) include first fixed part (601) and second fixed part (602), expansion arm (3) and lead screw (5) all assemble with first fixed part (601), be provided with the connector link that is used for fixing between first fixed part (601) and second fixed part (602), be provided with in second fixed part (602) and be connected the fixed mouth of usefulness with external mount.

6. The medical ophthalmic eyelid retractor according to any one of claims 1-5, wherein: an elastic part (101) is arranged between the eyelid opening hook (1) and the pressure plate (2) along the twitching direction, and when the elastic part (101) is in a relaxing state, the pressure plate (2) and the hook body part of the eyelid opening hook (1) are in a clamping state.