CN215605966U - Clinical eyelid opening equipment that uses of ophthalmology - Google Patents

Abstract

The utility model discloses an eyelid opening device for ophthalmological clinical use, which relates to the technical field of medicine and solves the problems that when the eyelid opening heads are easily combined together due to manual pneumatic control, the eyes of a patient are suddenly relaxed and have a certain sour and astringent feeling and discomfort, the eyelid opening device for ophthalmological clinical use is characterized by comprising an opening arm, an eyelid opening head and a fixed structure, wherein the fixed structure comprises a sliding sleeve, an internal sliding structure, a limiting structure and a positioning structure, the opening arm is provided with the sliding sleeve in a sliding manner, the sliding sleeve is internally provided with the internal sliding structure, the internal sliding structure is connected with the opening arm in a sliding manner, the eyelid opening head can be controlled above the minimum opening width by arranging the limiting structure and the sliding structure, the opening size of the eyelid opening head can be adjusted by utilizing the sliding structure, and the eyelid opening head is prevented from rebounding together when the acting force of manual pressing is too large, resulting in discomfort with sudden eye relaxation to a minimum.

Description

Clinical eyelid opening equipment that uses of ophthalmology

Technical Field

The utility model relates to the technical field of medicine, in particular to an eyelid opening device for ophthalmology clinic.

Background

The eyelid opening device is a retractor used in ophthalmic surgery and is used in ophthalmic surgery to ensure that the patient's eye is open and maintained to some extent. The eyelid retractor functions to support the eyelid.

Currently, eyelid opening devices are on the market, which comprise an opening arm and an eyelid opening head. This kind of normal clear that utilizes opening force of spring to guarantee the operation of eyelid is gone on, though can guarantee the normal clear of operation of eyelid, nevertheless after the operation, need manually merge the eyelid head to take out the eyelid head from top to bottom from the eyes, nevertheless lead to the eyelid head directly to merge together when manual power control easily, patient's eyes suddenly relax, have certain sour and astringent and do not adapt.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide an eyelid opening device for ophthalmologic clinical use.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an ophthalmology is clinical with eyelid equipment, is including opening arm, eyelid head and fixed knot structure, it divide into two sets ofly to open the arm, and two sets of arm one end of opening are articulated together, it has the eyelid head to open arm other end fixing, it is provided with fixed knot structure on the arm to open, fixed knot structure includes sliding sleeve, inside sliding structure, limit structure and location structure, it is provided with the sliding sleeve to open to slide on the arm, the inside sliding structure that is provided with of sliding sleeve just inside sliding structure with open the inside sliding connection of arm, it is provided with limit structure on the arm to open, the sliding sleeve side is provided with location structure just location structure is located the arm outside of opening.

Preferably, inside sliding structure includes stopper, sliding tray and spacing spring, the sliding tray inside is fixed with middle branch, and forms the side spout of bilateral symmetry in the middle of middle branch and the sliding tray, slope on the middle branch is fixed with the stopper, it has just to open the arm side the sliding tray has been seted up stopper and sliding tray sliding connection, the stopper side is fixed with the spacing spring just the spacing spring other end is fixed at the inside lateral wall of sliding tray.

Preferably, the limiting structure comprises a positioning block fixed on the inner side of the opening arm.

Preferably, the positioning structure comprises a positioning support rod, a positioning sleeve, a positioning spring, a positioning tooth, a sliding plate and a pulling handle, the positioning support rod is fixed to the side edge of the sliding sleeve, the positioning sleeve is fixed to the end portion of the positioning support rod, the positioning spring is fixed inside the positioning sleeve, the sliding plate is fixed to the end portion of the positioning spring, a sliding rod is fixed to the end portion of the sliding plate, the sliding rod penetrates through the positioning sleeve and is fixed to the end portion of the sliding rod, the positioning tooth is fixed to the side edge of the sliding plate, the pulling handle is fixed to the side edge of the opening arm, and the positioning tooth is clamped with the fixing tooth when the pulling handle does not act.

Preferably, a separation spring is fixed between adjacent opening arms, and the separation spring is uniformly fixed between the opening arms.

Preferably, the opening arms are rotatably connected by a torsion spring.

1. The eyelid opening head can be controlled above the minimum opening width by arranging the limiting structure and the sliding structure, the opening size of the eyelid opening head can be adjusted by utilizing the sliding structure, and the eyelid opening head is prevented from rebounding together when the acting force of manual pressing is too large, so that the eyes are suddenly relaxed to the minimum and discomfort is caused;

2. through setting up location structure, utilize the damage that the effect led to the fact eye all the time of spring effort among the avoiding conventional operation, this application is through location structure, can confirm to open eyes not to change after the certain degree.

Drawings

FIG. 1 is a schematic view of a structure of an embodiment of the present invention;

FIG. 2 is a schematic diagram of another embodiment of the present invention;

fig. 3 is a schematic perspective view of a sliding sleeve according to an embodiment of the present invention.

1. Opening the arm; 2. separating the spring; 3. a sliding groove; 4. positioning blocks; 5. an eyelid opening head; 6. a limiting spring; 7. fixing teeth; 8. a sliding sleeve; 9. a limiting block; 10. positioning the supporting rod; 11. a positioning sleeve; 12. a positioning spring; 13. positioning teeth; 14. a sliding plate; 15. pulling the handle; 16. a middle strut; 17. side edge runner.

Detailed Description

An embodiment of the eyelid opening apparatus for ophthalmic clinical use according to the present invention will be further described with reference to fig. 1 to 3.

An eyelid opening device for ophthalmology clinic, please refer to fig. 1, comprising two groups of opening arms 1 arranged on the eyelid opening head 5 at the end of the opening arms 1, wherein one end of each opening arm 1 is hinged together, and the adjacent opening arms 1 are provided with fixing structures which are used for fixing the positions of the opening arms 1, thereby ensuring that the eyes of a patient are opened at a fixed degree without influencing the operation, wherein the fixed structure comprises a sliding sleeve 8 used for sliding on the opening arm 1, an internal sliding structure, a limit structure for controlling the opening size of the opening arm 1 and a positioning structure arranged on the sliding sleeve 8, the sliding sleeve 8 is used for sliding on the opening arm 1, the size of the opening arm 1 is set by the aid of the internal sliding structure, the opening size of the opening arm 1 is protected from being at the minimum position by the aid of the limiting structure, and meanwhile the position of the opening size of the opening arm 1 is controlled by the aid of the positioning structure.

Referring to fig. 1, as an embodiment of the present invention, the internal sliding structure includes a limiting block 9, a sliding groove 3 and a limiting spring 6, wherein the limiting block 9 is disposed on a sliding sleeve 8, the opening size of the opening arm 1 is controlled by sliding the sliding sleeve 8 on the opening arm 1, a middle supporting rod 16 is fixed inside the sliding sleeve 8, the upper and lower ends of the middle supporting rod 16 are fixed to the outer wall of the sliding sleeve 8, side sliding grooves 17 are formed at the left and right ends of the middle supporting rod 16, the limiting block 9 is fixed to the left and right side walls of the middle supporting rod 16, the sliding groove 3 slidably connected to the limiting block 9 is formed at the side edge of the opening arm 1, the limiting spring 6 is fixed to the side edge of the limiting block 9, and the sliding sleeve 8 is pulled by the tensile force of the limiting spring 6.

Referring to fig. 1, as an embodiment of the present invention, the limiting structure includes a positioning block 4, wherein the positioning block 4 is fixed inside the opening arm 1, and when the opening arm 1 is closed, the positioning block 4 is clamped together, so as to ensure a minimum opening distance of the opening arm 1.

Referring to fig. 1, 2 and 3, as an embodiment of the present invention, the positioning structure includes a positioning rod 10, a positioning sleeve 11, a positioning spring 12, a positioning gear 13, a sliding plate 14 and a pulling handle 15, wherein the side edge of the sliding sleeve 8 is fixed with the positioning rod 10 for positioning, the end of the positioning rod 10 is fixed with the positioning sleeve 11 for adjusting, the outside of the opening arm 1 is fixed with the fixing gear 7, the side wall of the positioning sleeve 11 is provided with a moving slot, the positioning spring 12 fixed inside the positioning sleeve 11 is utilized, the sliding plate 14 fixed at the end of the positioning spring 12 realizes the longitudinal movement of the sliding plate 14 and can realize positioning, the sliding connection between the sliding plate 14 and the positioning sleeve 11 is utilized, and the side edge of the sliding plate 14 extends out of the inside of the positioning sleeve 11 through the moving slot to realize the manual control of the longitudinal movement distance of the sliding plate 14 outside, a pulling handle 15 is fixed on the side edge of the sliding plate 14, the pulling handle 15 is positioned outside the positioning sleeve 11, a sliding rod is fixed on the end part of the sliding plate 14, the end part of the sliding rod penetrates through the positioning sleeve 11 and the positioning teeth 13 with fixed end parts and is in clamping fit with the fixed teeth 7, so that the relative fixation of the positions of the sliding sleeve 8 and the opening arm 1 is realized, and the opening width of the opening arm 1 is controlled.

Referring to fig. 1, as an embodiment of the present invention, a plurality of sets of separating springs 2 are uniformly arranged between adjacent opening arms 1, and the separating force provided by the separating springs 2 is used to ensure that the opening arms 1 are subjected to the opening force, so as to prevent the opening of the opening arms 1 from being ensured at the level of the existing equipment when the sliding sleeve 8 fails, thereby protecting the patient during the operation.

Referring to fig. 1, as an embodiment of the present invention, adjacent opening arms 1 are rotatably connected by a torsion spring, and two ends of the torsion spring are respectively fixed to the side edges of the opening arms 1. The moment of opening the arm 1 is ensured in the state of being subjected to the separating force by means of the torsion spring.

The working principle is as follows: the pulling handle 15 is first pushed away manually, so that the positioning teeth 13 and the fixed teeth 7 are separated, sliding on the opening arm 1 by means of the sliding sleeve 8, namely, the limiting block 9 slides in the sliding groove 3 to compress the limiting spring 6, so as to ensure that the eyelid opening head 5 is placed on the eyes of the patient when the eyelid opening head 5 is shrunk to the positioning block 4 to collide together, then the limiting block 9 rebounds under the action of the limiting spring 6 by utilizing the manual sliding sleeve 8, thereby ensuring that the eyelid opening heads 5 can be separated from each other, and when the eyelid is opened to a certain degree, the pulling handle 15 is released, so that the positioning teeth 13 are clamped on the fixing teeth 7 for fixing, the eyelid can be opened to the extent of normal operation, the damage to the eyes caused by the overlarge opening of the eyes can be avoided, when the sliding sleeve 8 fails, the normal level of the existing eyelid opening equipment can be ensured by the eyelid opening head 5 by the action of the separation spring 2 and the torsion spring.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (6)

1. The utility model provides an ophthalmology is clinical with eyelid equipment, is including opening arm (1), eyelid head (5) and fixed knot construct, it is two sets of to open arm (1), and two sets of arm (1) one end of opening are articulated together, it has eyelid head (5) to open arm (1) other end fixing, be provided with fixed knot structure, its characterized in that on opening arm (1): fixed knot constructs including sliding sleeve (8), inside sliding structure, limit structure and location structure, it is provided with sliding sleeve (8) to open to slide on arm (1), inside sliding structure just of being provided with of sliding sleeve (8) inside sliding structure and the inside sliding connection of arm (1) opens, it is provided with limit structure on arm (1) to open, sliding sleeve (8) side is provided with location structure just location structure is located the arm (1) outside of opening.

2. The ophthalmic clinical eyelid opening device of claim 1, wherein: inside sliding structure includes stopper (9), sliding tray (3) and spacing spring (6), sliding sleeve (8) inside is fixed with middle branch (16), and forms side spout (17) of bilateral symmetry in the middle of middle branch (16) and sliding sleeve (8), slope on middle branch (16) is fixed with stopper (9), open arm (1) side and seted up sliding tray (3) just stopper (9) and sliding tray (3) sliding connection, stopper (9) side is fixed with spacing spring (6) just the inside lateral wall in sliding tray (3) is fixed to spacing spring (6) other end.

3. The ophthalmic clinical eyelid opening device of claim 2, wherein: the limiting structure comprises a positioning block (4), and the positioning block (4) is fixed on the inner side of the opening arm (1).

4. The ophthalmic clinical eyelid opening device of claim 3, wherein: the positioning structure comprises a positioning support rod (10), a positioning sleeve (11), a positioning spring (12), a positioning tooth (13), a sliding plate (14) and a pulling handle (15), a positioning support rod (10) is fixed on the side edge of the sliding sleeve (8), a positioning sleeve (11) is fixed at the end part of the positioning support rod (10), a positioning spring (12) is fixed in the positioning sleeve (11), a sliding plate (14) is fixed at the end part of the positioning spring (12), a sliding rod is fixed at the end part of the sliding plate (14), the sliding rod passes through the positioning sleeve (11), and a positioning tooth (13) is fixed at the end part of the sliding rod, the side edge of the sliding plate (14) passes through the positioning sleeve (11), a pulling handle (15) is fixed on the side edge of the sliding plate (14), fixed teeth (7) are fixed to the side edge of the opening arm (1), and the positioning teeth (13) are clamped with the fixed teeth (7) when the pulling handle (15) does not act.

5. The ophthalmic clinical eyelid opening device of claim 4, wherein: a separating spring (2) is fixed between the adjacent opening arms (1), and the separating springs (2) are uniformly fixed between the opening arms (1).

6. The ophthalmic clinical eyelid opening device of claim 5, wherein: the opening arms (1) are rotatably connected through torsion springs.

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