CN215306208U

CN215306208U - Adjustable eyelid retractor

Info

Publication number: CN215306208U
Application number: CN202120591860.2U
Authority: CN
Inventors: 陈韵
Original assignee: Guangzhou Aier Eye Hospital Co Ltd
Current assignee: Guangzhou Aier Eye Hospital Co Ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-12-28
Anticipated expiration: 2031-03-19

Abstract

The utility model discloses an adjustable eyelid retractor, which comprises: a cylinder block having a first piston passage, a second piston passage, an intake passage, and a chamber, the first piston passage, the second piston passage, and the intake passage all communicating with the chamber; a first eyelid opening arm slidably disposed on the first piston passage in a Z-axis direction; a second eyelid opening arm slidably disposed on the second piston passage in a Z-axis direction; and a pressurizing mechanism, the pressurizing mechanism has a hose, the pressurizing mechanism passes through the hose with the inlet channel intercommunication, the pressurizing mechanism drives the first eyelid opening arm with the second eyelid opening arm opens along the Z-axis direction, realizes the remote regulation eyelid retractor, reduces the pressure generated to the eye, and then reduces the discomfort of the patient.

Description

Adjustable eyelid retractor

Technical Field

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

Background

The eye surgery is a quite delicate surgery mode, clear visual field is very critical in the surgery process, the eyelid retractor is an essential tool in the eye surgery, is a special tool for the eye surgery, and is used for expanding the eyelid, thereby being beneficial to expanding the surgery visual field.

In the prior art, when an eyelid of an ophthalmic eyelid retractor is expanded, the eyelid retractor needs to be adjusted near the eyes of a patient, and pressure is generated on the eyes, so that the use of the patient is uncomfortable.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the adjustable eyelid retractor, which realizes the remote adjustment of the eyelid retractor, reduces the pressure on the eyes and further reduces the discomfort of a patient in use.

According to the embodiment of the utility model, the adjustable eyelid retractor comprises: a cylinder block having a first piston passage, a second piston passage, an intake passage, and a chamber, the first piston passage, the second piston passage, and the intake passage all communicating with the chamber; a first eyelid opening arm slidably disposed on the first piston passage in a Z-axis direction; a second eyelid opening arm slidably disposed on the second piston passage in a Z-axis direction; and a pressurizing mechanism having a hose, the pressurizing mechanism being communicated with the intake passage through the hose, the pressurizing mechanism driving the first eyelid opening arm and the second eyelid opening arm to open in the Z-axis direction.

The adjustable eyelid retractor provided by the embodiment of the utility model has at least the following beneficial effects: the cylinder block has first piston channel, second piston channel, inlet channel and cavity and intercommunication each other, first eyelid opening arm can follow Z axle direction and set up on first piston channel with sliding, the second eyelid opening arm can follow Z axle direction and set up on second piston channel with sliding, booster mechanism passes through hose and cavity intercommunication, booster mechanism can increase the internal gas pressure of cavity, and then promote first eyelid opening arm and second eyelid opening arm and open along Z axle direction, realize the open width of eyelid opening arm in the long-distance regulation eyelid opening ware, reduce and produce pressure to the eye, and then reduce the patient and use the discomfort.

According to some embodiments of the utility model, the cylinder block further comprises: an air outlet channel communicated with the chamber; the pressure release valve is arranged on the air outlet channel; and the one-way valve is arranged on the air inlet channel and is connected with the hose.

According to some embodiments of the utility model, the first eyelid opening arm includes a first connecting rod, a first piston and a first eyelid opening sheet, the first piston is slidably disposed on the first piston channel along the Z-axis direction, one end of the first connecting rod is connected with the first piston, and the other end of the first connecting rod is connected with the first eyelid opening sheet; the second eyelid opening arm comprises a second connecting rod, a second piston and a second eyelid opening sheet, the second piston can be arranged on the second piston channel in a sliding mode along the Z-axis direction, one end of the second connecting rod is connected with the second piston, and the other end of the second connecting rod is connected with the second eyelid opening sheet.

According to some embodiments of the utility model, the first connecting rod comprises a first horizontal rod and a first vertical rod, a lower end of the first vertical rod is connected with the first piston, a right end of the first horizontal rod is connected with an upper end of the first vertical rod, and the first eye-opening sheet is arranged at a left end of the first horizontal rod; the second connecting rod comprises a second horizontal rod and a second vertical rod, the upper end of the second vertical rod is connected with the second piston, the right end of the second horizontal rod is connected with the lower end of the second vertical rod, and the second eye-opening sheet is arranged at the left end of the second horizontal rod.

According to some embodiments of the utility model, the first eyelid opening arm further comprises a first return spring, the first return spring is sleeved on the first vertical rod, the upper end of the first return spring abuts against the first piston channel, and the lower end of the first return spring abuts against the first piston; the second eyelid opening arm further comprises a second reset spring, the second reset spring is sleeved on the second vertical rod, the upper end of the second reset spring abuts against the second piston, and the lower end of the second reset spring abuts against the second piston channel.

According to some embodiments of the utility model, the pressurization mechanism is a balloon, the check valve is provided at an output end of the balloon, one end of the hose is connected to the intake passage, and the other end of the hose is connected to the check valve.

According to some embodiments of the utility model, the balloon further comprises a three-way valve, the three-way valve is arranged at an output end of the balloon, the air outlet channel and the pressure relief valve are both arranged on the three-way valve, one end of the hose is connected with the air inlet channel, the other end of the hose is connected with the three-way valve, and the one-way valve is arranged on the three-way valve.

According to some embodiments of the utility model, the first horizontal bar and the second horizontal bar are both circular arc bar-shaped structures.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the following figures and examples, in which:

fig. 1 is a schematic structural view of an adjustable eyelid retractor according to an embodiment of the utility model;

fig. 2 is a schematic structural view of the connection between the first eyelid opening arm and the second eyelid opening arm and the inner wall of the cylinder in the adjustable eyelid opener according to the embodiment of the utility model;

FIG. 3 is a top view of the hose and booster mechanism of FIG. 1 omitted;

fig. 4 is a schematic structural view of an adjustable eyelid retractor with a three-way valve according to an embodiment of the present invention.

Reference numerals: a cylinder block 10; a first piston passage 11; a second piston passage 12; an intake passage 13; a chamber 14; an air outlet passage 15; a pressure relief valve 16; a check valve 17;

a first eyelid opening arm 20; a first link 21; a first horizontal bar 211; a first vertical rod 212; a first piston 22; a first eyelid plate 23; a first return spring 24;

a second eyelid opening arm 30; a second link 31; a second horizontal bar 311; a second vertical rod 312; a second piston 32; a second eyelid opening sheet 33; a second return spring 34;

a pressurization mechanism 40; a hose 41; a balloon 42; the three-way valve 421.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and the above, below, exceeding, etc. are understood as excluding the present numbers, and the above, below, within, etc. are understood as including the present numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The adjustable eyelid retractor of the present invention will be described with reference to fig. 1 to 4.

Referring to fig. 1 and 2, in some embodiments, the adjustable eyelid retractor includes a cylinder block 10, a first eyelid opening arm 20, a second eyelid opening arm 30, and a pressurization mechanism 40. The cylinder block 10 has a first piston 22, a second piston 32, an intake passage 13 and a chamber 14, the first piston passage 11, the second piston passage 12, the intake passage 13 and the chamber 14 are communicated with each other, the axis of the first piston passage 11 coincides with the axis of the second piston passage 12, the axis of the intake passage 13 is perpendicular to the axes of the first piston passage 11 and the second piston passage 12, the first eyelid opening arm 20 is slidably disposed on the first piston passage 11 in the Z-axis direction, the second eyelid opening arm 30 is slidably disposed on the second piston passage 12 in the Z-axis direction, one end of the hose 41 is communicated with the intake passage 13, the other end of the hose 41 is communicated with the supercharging mechanism 40, the supercharging mechanism 40 is communicated with the chamber 14 through the hose 41, the supercharging mechanism 40 can increase the air pressure in the chamber 14 to push the first eyelid opening arm 20 and the second eyelid opening arm 30 to open in the Z-axis direction, thereby realizing the remote adjustment of the width of the eyelid opening arm in the eyelid opening device, reduce the pressure on eyes and further reduce the discomfort of patients.

Referring to fig. 1 and 2, in some embodiments, cylinder block 10 further includes an outlet passage 15, a relief valve 16, and a check valve 17. The air outlet channel 15 is located between the first piston channel 11 and the second piston channel 12, the axis of the air outlet channel 15 is perpendicular to the axis of the air inlet channel 13, the axis of the air outlet channel 15 is also perpendicular to the axes of the first piston channel 11 and the second piston channel 12, the air outlet channel 15 is communicated with the chamber 14, the pressure relief valve 16 is arranged on the air outlet channel 15, the one-way valve 17 is arranged on the air inlet channel 13, one end of the one-way valve 17 is connected with the air inlet channel 13, and the other end of the one-way valve 17 is connected with the hose 41. It can be understood that when the pressurization mechanism 40 starts to perform pressurization, the pressurized gas flows from the hose 41 to the air inlet channel, so that the air pressure in the chamber 14 is increased, and then the first eyelid opening arm 20 and the second eyelid opening arm 30 are pushed to open along the Z-axis direction, when the pressurization mechanism 40 stops performing pressurization, the gas in the chamber 14 cannot flow out from the one-way valve 17, so that the first eyelid opening arm 20 and the second eyelid opening arm 30 maintain the open state, and when the relief valve 16 is opened, the gas in the chamber 14 can flow out from the air outlet channel 15, so that the first eyelid opening arm 20 and the second eyelid opening arm 30 contract back into the air cylinder 10 under the action of external force, so as to realize the adjustment of the eyelid opener from a long distance.

Referring to fig. 2, in some embodiments, the first eyelid opening arm 20 includes a first connecting rod 21, a first piston 22 and a first eyelid opening sheet 23, the first piston 22 is slidably disposed on the first piston channel 11 along the Z-axis direction, one end of the first connecting rod 21 is fixedly connected to the first piston 22, and the other end of the first connecting rod 21 is fixedly connected to the first eyelid opening sheet 23; the second eyelid opening arm 30 includes a second connecting rod 31, a second piston 32 and a second eyelid opening sheet 33, the second piston 32 can be slidably disposed on the second piston channel 12 along the Z-axis direction, one end of the second connecting rod 31 is fixedly connected to the second piston 32, the other end of the second connecting rod 31 is fixedly connected to the second eyelid opening sheet 33, when the first piston 22 and the second piston 32 are opened along the Z-axis direction, the first piston 22 drives the first eyelid opening sheet 23 to open the eyelid upwards through the first connecting rod 21, and the second piston 32 drives the second eyelid opening sheet 33 to open the eyelid downwards through the second connecting rod 31. It can be understood that when the eyelids are opened, the first eyelid opening arm 20 and the second eyelid opening arm 30 can open the eyelids regardless of the left eye or the right eye, so the adjustable eyelid retractor is universal for the left and right eyes, and has a simple and reliable structure.

Referring to fig. 1, 2 and 4, in some embodiments, the first connecting rod 21 includes a first horizontal rod 211 and a first vertical rod 212, a lower end of the first vertical rod 212 is connected with an upper end of the first piston 22, a right end of the first horizontal rod 211 is connected with an upper end of the first vertical rod 212, and the first eye-lid opening sheet 23 is disposed at a left lower end of the first horizontal rod 211; the second connecting rod 31 comprises a second horizontal rod 311 and a second vertical rod 312, the upper end of the second vertical rod 312 is connected with the lower end of the second piston 32, the second eyelid opening sheet 33 is arranged at the upper left end of the second horizontal rod 311, when the first piston 22 and the second piston 32 contract, the first eyelid opening sheet 23 and the second eyelid opening sheet 33 can be attached together, the area of the eyelid opening sheet is reduced, so that the first eyelid opening sheet 23 and the second eyelid opening sheet 33 can be better placed into an eyelid, and discomfort in use of a patient is reduced.

Referring to fig. 2, in some embodiments, the first eyelid opening arm 20 further comprises a first return spring 24, the first return spring 24 is disposed on the first vertical rod 212, the upper end of the first return spring 24 abuts against the first piston channel 11, and the lower end of the first return spring 24 abuts against the first piston 22; the second eyelid opening arm 30 further includes a second return spring 34, the second return spring 34 is sleeved on the second vertical rod 312, the upper end of the second return spring 34 abuts against the second piston 32, the lower end of the second return spring 34 abuts against the second piston channel 12, when the first piston 22 and the second piston 32 are opened by the air pressure in the chamber 14, the first return spring 24 and the second return spring 34 are compressed, when the pressure release valve 16 is opened, the air pressure in the chamber 14 is reduced, the elastic force generated by the first return spring 24 and the second return spring 34 can make the first piston 22 and the second piston 32 contract back into the air cylinder 10, thereby further improving the convenience of adjusting the eyelid opening device.

Referring to fig. 1, in some embodiments, the pressurization mechanism 40 is a balloon 42, it should be noted that the balloon 42 is a pressurization balloon 42 in a pressing type, the balloon 42 is made of a rubber material, the balloon 42 is a functional component known and common to those skilled in the art, and will not be described herein again, one end of the balloon 42 is provided with an air inlet, the other end of the balloon 42 is an output end, a check valve 17 is disposed at the output end of the balloon 42, one end of a hose 41 is communicated with the air inlet channel 13, and the other end of the hose 41 is connected to the check valve 17, it can be understood that the check valve 17 can also be disposed on the air inlet channel 13, so that the chamber 14 can be filled with enough air, and thus, the pressure generated in the chamber 14 can push the first piston 22 and the second piston 32 to open.

It should be noted that, referring to fig. 4, in some embodiments, the balloon 42 further includes a three-way valve 421, the three-way valve 421 is disposed at an output end of the balloon 42, the air outlet channel 15 and the pressure relief valve 16 are both disposed on the three-way valve 421, the three-way valve 421 has two lateral channels (not shown) and one vertical channel (not shown), the air outlet channel 15 and the pressure relief valve 16 are vertically disposed on the vertical channel of the three-way valve 421, one end of the hose 41 is communicated with the air inlet channel 13, the other end of the hose 41 is communicated with the left lateral channel of the three-way valve 421, and the one-way valve 17 is disposed on the right lateral channel of the three-way valve 421, so that the pressure relief valve 16 can adjust the air pressure in the chamber 14 near the balloon 42, and further remotely adjust the opening width of the eyelid opening arm in the eyelid retractor, thereby reducing the pressure generated to the eye and further reducing the discomfort of the patient.

Referring to fig. 3, in some embodiments, the first horizontal rod 211 and the second horizontal rod 311 are both arc rod-shaped structures, the circumference of the human eye is arc-shaped, the height of the canthus close to the bridge of the nose is higher than the height of the tail of the eye, and the first horizontal rod 211 and the second horizontal rod 311 are arranged to be arc rod-shaped, so that the adjustable eyelid retractor can be more attached to the skin of the eye of the patient, the pressure on the eye is reduced, and the discomfort of the patient during use is further reduced.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

Claims

1. An adjustable eyelid retractor, comprising:

a cylinder block (10), the cylinder block (10) having a first piston passage (11), a second piston passage (12), an intake passage (13), and a chamber (14), the first piston passage (11), the second piston passage (12), and the intake passage (13) each communicating with the chamber (14);

a first eyelid opening arm (20), the first eyelid opening arm (20) being slidably disposed on the first piston channel (11);

a second eyelid opening arm (30), the second eyelid opening arm (30) slidably disposed on the second piston channel (12); and

a pressurizing mechanism (40), wherein the pressurizing mechanism (40) is provided with a hose (41), the pressurizing mechanism (40) is communicated with the air inlet channel (13) through the hose (41), and the pressurizing mechanism (40) drives the first eyelid opening arm (20) and the second eyelid opening arm (30) to open along the Z-axis direction.

2. The adjustable eyelid retractor according to claim 1, wherein the cylinder block (10) further comprises:

an outlet channel (15), the outlet channel (15) being in communication with the chamber (14);

the pressure relief valve (16), the said pressure relief valve (16) is set up on the said air outlet channel (15); and

a check valve (17), the check valve (17) being disposed on the intake passage (13), the check valve (17) being connected to the hose (41).

3. The adjustable eyelid retractor according to claim 2, wherein the first eyelid retractor arm (20) comprises a first connecting rod (21), a first piston (22) and a first eyelid retractor sheet (23), wherein the first piston (22) is slidably arranged on the first piston channel (11) along the Z-axis direction, one end of the first connecting rod (21) is connected to the first piston (22), and the other end of the first connecting rod (21) is connected to the first eyelid retractor sheet (23);

the second eyelid opening arm (30) comprises a second connecting rod (31), a second piston (32) and a second eyelid opening sheet (33), the second piston (32) can be arranged on the second piston channel (12) in a sliding mode along the Z-axis direction, one end of the second connecting rod (31) is connected with the second piston (32), and the other end of the second connecting rod (31) is connected with the second eyelid opening sheet (33).

4. The adjustable eyelid retractor according to claim 3, wherein the first connecting rod (21) comprises a first horizontal rod (211) and a first vertical rod (212), wherein the lower end of the first vertical rod (212) is connected to the first piston (22), the right end of the first horizontal rod (211) is connected to the upper end of the first vertical rod (212), and the first eyelid opening sheet (23) is arranged at the left end of the first horizontal rod (211);

the second connecting rod (31) comprises a second horizontal rod (311) and a second vertical rod (312), the upper end of the second vertical rod (312) is connected with the second piston (32), the right end of the second horizontal rod (311) is connected with the lower end of the second vertical rod (312), and the second eyelid opening sheet (33) is arranged at the left end of the second horizontal rod (311).

5. The adjustable eyelid retractor according to claim 4, wherein the first eyelid retractor arm (20) further comprises a first return spring (24), wherein the first return spring (24) is sleeved on the first vertical rod (212), wherein the first return spring (24) abuts against the first piston channel (11) at the upper end, and wherein the first return spring (24) abuts against the first piston (22) at the lower end;

the second eyelid opening arm (30) further comprises a second return spring (34), the second return spring (34) is sleeved on the second vertical rod (312), the upper end of the second return spring (34) abuts against the second piston (32), and the lower end of the second return spring (34) abuts against the second piston channel (12).

6. The adjustable eyelid retractor according to claim 2, wherein the pressurizing mechanism (40) is a balloon (42), the one-way valve (17) is arranged at the output end of the balloon (42), one end of the hose (41) is connected to the air intake channel (13), and the other end of the hose (41) is connected to the one-way valve (17).

7. The adjustable eyelid retractor according to claim 6, wherein the balloon (42) further comprises a three-way valve (421), the three-way valve (421) is disposed at an output end of the balloon (42), the air outlet channel (15) and the pressure relief valve (16) are disposed on the three-way valve (421), one end of the hose (41) is connected to the air inlet channel (13), the other end of the hose (41) is connected to the three-way valve (421), and the one-way valve (17) is disposed on the three-way valve (421).

8. The adjustable eyelid retractor according to claim 4, wherein the first horizontal bar (211) and the second horizontal bar (311) are both circular arc bar shaped structures.