CN216628739U - Head fixing device for ophthalmic surgery - Google Patents

Abstract

The utility model relates to the technical field of medical treatment, and discloses a head fixing device for ophthalmic surgery, comprising a first fixing device, a lifting device and a second fixing device. The right surface is provided with a through slot, the upper surface of the through slot is fixedly connected with a top plate, the right end of the upper surface of the top plate is fixedly connected with a vertical plate 1, the left end of the upper surface of the top plate is fixedly connected with a vertical plate 2, and the front surface of the vertical plate 2 is symmetrically arranged with the vertical plate 1 The rear surface has the same structure. The lifting device is movably connected to the rear surface of the fixed plate. The lifting device includes a rotating column. The first rotating column is movably connected to the interior of the rear surface of the fixed plate. The front end of the surface is engaged with a lifting column, the rear surface of the lifting column is provided with a threaded groove, and the front end of a surface of the rotating column is engaged with the inner wall of the threaded groove, so that the device can better fix the patient's head when in use, and the operation is more convenient.

Description

A head immobilization device for ophthalmic surgery

technical field

The utility model relates to the field of medical technology, in particular to a head fixing device for ophthalmic surgery.

Background technique

When performing eye observation or surgery on a patient, the head must be fixed. However, the existing head fixing device cannot be adjusted according to the size and height of the patient's head, so the head is very difficult for the patient during treatment. It is easy to produce shaking, which increases the difficulty of diagnosis and surgery for patients.

Utility model content

(1) Technical problems solved

Aiming at the deficiencies of the prior art, the present invention provides a head fixing device for ophthalmic surgery, which has the advantages of good fixing effect and wide application range, and solves the problems raised in the above background technology.

(2) Technical solution In order to achieve the above purpose, the present utility model provides the following technical solution: a head fixing device for ophthalmic surgery, comprising a fixing device 1, a lifting device and a fixing device 2, the fixing device 1 includes a bottom plate, the A fixed plate is fixedly connected to the upper surface of the bottom plate, a through groove is formed on the right surface of the fixed plate, a top plate is fixedly connected to the upper surface of the through groove, a vertical plate is fixedly connected to the right end of the upper surface of the top plate, and the left end of the upper surface of the top plate is fixedly connected. There are two vertical plates for fixed connection;

The lifting device is movably inscribed on the rear surface of the fixed plate.

The lifting device includes a rotating column 1, the rotating column 1 is movably connected inside the rear surface of the fixed plate, the rear surface of the rotating column 1 is fixedly connected with a turntable, the front end of the rotating column 1 surface is engaged with a lifting column, the The rear surface of the lifting column is provided with a threaded groove, and the front end of one surface of the rotating column is engaged with the inner wall of the threaded groove;

The second fixing device is movably connected to the rear surface of the first vertical plate.

The fixing device 2 includes a rotating column 2. The rear end moves through the vertical plate 2 and is fixedly connected with a gear 1. The rear surface of the gear 1 is fixedly connected with a crank handle, and the lower surface of the crank handle is meshed with a gear 2. The front surface of the second rotating column is fixedly connected with the gear three, the lower surface of the gear three is meshed with the gear four, the rear surface of the gear four is fixedly connected with a fixed column, and the rear end of the surface of the fixed column is threadedly sleeved with a threaded sleeve, so the A fixing ring is fixedly connected to the rear surface of the threaded sleeve.

Preferably, the upper surface of the threaded sleeve is fixedly connected with a limiting strip, and a rear surface of the vertical plate is provided with a limiting groove adapted to the limiting strip.

Preferably, the lower end of a rear surface of the vertical plate is provided with a circular groove adapted to the threaded sleeve.

Preferably, the front surface of the second gear is symmetrically provided with the same structure as the rear surface of the fourth gear, and the front surface of the vertical plate two is symmetrically provided with the same structure as the rear surface of the vertical plate.

(3) Beneficial effects

Compared with the prior art, the utility model provides a head fixing device for ophthalmic surgery, which has the following beneficial effects:

1. The head fixing device for ophthalmic surgery can first place the head on the top surface of the top plate, then rotate the turntable, and drive the first rotation of the rotating column under the rotation of the rotating plate, and then drive it with the rotation of the first rotating column. The engaged lifting column moves upward, and the upward movement of the lifting column drives the top plate and the device on its upper end to move upward, so that the device can adjust the height according to the height of the patient, and has a wider application range. The first gear drives the gear one to rotate, the gear one drives the gear two meshed with it to rotate, and the rotation of the gear one drives the gear three to rotate, the gear three drives the meshing gear four to rotate, and the gear four rotates to drive the fixed column. When the rotation occurs, the fixed column drives the threaded sleeve that is threaded with it to move backward. At this time, the limit bar slides inside the limit groove to limit it, and the threaded sleeve pushes the fixed ring fixed to it to move backward, and the fixed rings are mutually The side surface of the patient's ear is fixed close to, so that the device has a better fixing effect on the patient's head when in use, and the operation is more convenient.

2. When using the head fixing device for ophthalmic surgery, the head can be placed on the top surface of the top plate first, and then the turntable can be rotated. The lifting column moves upward, and the upward movement of the lifting column drives the top plate and the device on its upper end to move upward, so that the device can adjust the height according to the height of the patient, and has a wider application range.

Description of drawings

1 is a schematic diagram of the three-dimensional structure of the present utility model;

2 is a schematic diagram of the connecting structure of the lifting column of the present invention;

3 is a schematic diagram of the connection structure of the fixed column of the present invention;

FIG. 4 is a schematic diagram of the connection structure of the fixing ring of the present invention.

In the figure: 1 fixing device, 11 bottom plate, 12 fixed plate, 13 through slot, 14 top plate, 15 vertical plate one, 16 vertical plate two, 2 lifting device, 21 rotating column, 22 rotating plate, 23 lifting column, 24 thread groove, 3 Fixing device, 31 rotating column, 32 gear one, 33 crank handle, 34 gear two, 35 gear three, 36 gear four, 37 fixed column, 38 threaded sleeve, 39 fixed ring.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIG. 1 to FIG. 4 , a head fixing device for ophthalmic surgery includes a fixing device 1 1 , a lifting device 2 and a fixing device 2 3 . The fixing device 1 includes a base plate 11 , and a fixing plate is fixedly connected to the upper surface of the base plate 11 12, the right surface of the fixed plate 12 is provided with a through slot 13, the upper surface of the through slot 13 is fixedly connected with a top plate 14, the right end of the upper surface of the top plate 14 is fixedly connected with a vertical plate 15, and the left end of the upper surface of the top plate 14 is fixedly connected with a vertical plate 2 16, The front surface of the second vertical plate 16 is symmetrically arranged with the same structure as the rear surface of the vertical plate one 15;

The lifting device 2 is movably connected to the rear surface of the fixing plate 12 .

The lifting device 2 includes a rotating column 1 21, the rotating column 1 21 is movably connected inside the rear surface of the fixed plate 12, the rear surface of the rotating column 1 21 is fixedly connected with a turntable 22, and the front end of the rotating column 1 21 is engaged with a lifting column 23. The rear surface of 23 is provided with a threaded groove 24, and the front end of the surface of the rotating column-21 is engaged on the inner wall of the threaded groove 24;

The fixing device 2 3 is movably connected on the rear surface of the vertical plate 1 15 .

The second fixing device 3 includes a second rotating column 31, the rear end movably passes through the second vertical plate 16 and is fixedly connected with a gear one 32, the rear surface of the gear one 32 is fixedly connected with a crank handle 33, and the lower surface of the crank handle 33 is meshed with a gear two 34, which rotates. The front surface of column two 31 is fixedly connected with gear three 35, the lower surface of gear three 35 is meshed with gear four 36, the front surface of gear two 34 is symmetrically arranged with the same structure as the rear surface of gear four 36, and the rear surface of gear four 36 is fixedly connected with a fixed Column 37, the rear end of the surface of the fixed column 37 is threadedly sleeved with a threaded sleeve 38, the lower end of the rear surface of the vertical plate 15 is provided with a circular groove that is adapted to the threaded sleeve 38, and the upper surface of the threaded sleeve 38 is fixedly connected to the limit bar, the vertical plate. The rear surface of a 15 is provided with a limit groove matching the limit bar, and the rear surface of the threaded sleeve 38 is fixedly connected with a fixing ring 39. When in use, the user can first place the head on the upper surface of the top plate 14, and then turn the turntable. 22. Under the rotation of the turntable 22, the rotating column 1 21 is driven to rotate, and the rotating column 1 21 drives the lifting column 23 engaged with it to move upward, and the lifting column 23 moves upward to drive the top plate 14 and the device on its upper end upward. Move, so that the device can adjust the height according to the height of the patient, and the scope of application is wider. At this time, the crank handle 33 is rotated, and the rotation of the crank handle 33 drives the gear one 32 to rotate, and the gear one 32 drives the gear that meshes with it. The second gear 34 rotates, and the rotation of the gear one 32 drives the gear three 35 to rotate, the gear three 35 drives the gear four 36 meshed with it to rotate, the rotation of the gear four 36 drives the fixed column 37 to rotate, and the fixed column 37 drives it. The threaded sleeve 38 of the threaded sleeve moves backward. At this time, the limit bar slides in the limit groove to limit it. The threaded sleeve 38 pushes the fixed ring 39 fixed with it to move backward, and the fixed rings 39 are close to each other. The lateral side of the head is fixed, so that the device has a better fixation effect on the patient's head when in use, and the operation is more convenient.

When in use, the user can first place the head on the upper surface of the top plate 14, and then rotate the turntable 22, and the rotation of the turntable 22 drives the rotation of the rotation column 1 21, and the rotation of the rotation column 21 drives the meshing with it. The lifting column 23 moves upward, and the upward movement of the lifting column 23 drives the top plate 14 and the device on its upper end to move upward, so that the device can adjust the height according to the height of the patient, and the scope of application is wider. The rotation of gear 33 drives gear one 32 to rotate, gear one 32 drives gear two 34 that meshes with it to rotate, and the rotation of gear one 32 drives gear three 35 to rotate, and gear three 35 drives gear four that mesh with it. 36 rotates, the rotation of gear four 36 drives the fixed column 37 to rotate, the fixed column 37 drives the threaded sleeve 38 that is threadedly sleeved with it to move backward, and the limit bar slides inside the limit groove to limit it, and the threaded sleeve 38 moves backward. 38 pushes the fixed ring 39 fixed with it to move backward, and the fixed rings 39 are close to each other to fix the side of the patient's ear, so that the device can better fix the patient's head when in use, and the operation is more convenient.

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

Claims (6)

1. A head fixing device for ophthalmologic operation, comprising a first fixing device (1), a lifting device (2) and a second fixing device (3), wherein the first fixing device (1) comprises a bottom plate (11), characterized in that: the upper surface of the bottom plate (11) is fixedly connected with a fixing plate (12), a through groove (13) is formed in the right surface of the fixing plate (12), the upper surface of the through groove (13) is fixedly connected with a top plate (14), the right end of the upper surface of the top plate (14) is fixedly connected with a first vertical plate (15), and the left end of the upper surface of the top plate (14) is fixedly connected with a second vertical plate (16);

the lifting device (2) is movably connected to the rear surface of the fixing plate (12) in an inscribed mode.

2. The ophthalmic-surgery head-fixing device according to claim 1, characterized in that: the lifting device (2) comprises a first rotating column (21), the first rotating column (21) is movably connected with the inner part of the rear surface of the fixing plate (12) in an inscribed mode, the rear surface of the first rotating column (21) is fixedly connected with a rotating disc (22), the front end of the surface of the first rotating column (21) is meshed with a lifting column (23), the rear surface of the lifting column (23) is provided with a threaded groove (24), and the front end of the surface of the first rotating column (21) is meshed with the inner wall of the threaded groove (24);

the second fixing device (3) is movably connected to the rear surface of the first vertical plate (15) in an inner mode.

3. The head fixing device for ophthalmologic operation according to claim 2, characterized in that: the fixing device II (3) comprises a rotating column II (31), the rear end of the rotating column II (31) movably penetrates through a gear I (32) fixedly connected with a riser II (16), the rear surface of the gear I (32) is fixedly connected with a crank (33), the lower surface of the crank (33) is meshed with a gear II (34), the front surface of the rotating column II (31) is fixedly connected with a gear III (35), the lower surface of the gear III (35) is meshed with a gear IV (36), the rear surface of the gear IV (36) is fixedly connected with a fixing column (37), the rear end of the surface of the fixing column (37) is in threaded sleeve connection with a threaded sleeve (38), and the rear surface of the threaded sleeve (38) is fixedly connected with a fixing ring (39).

4. The head fixing device for ophthalmologic operation according to claim 3, characterized in that: the upper surface of the threaded sleeve (38) is fixedly connected with a limiting strip, and a limiting groove matched with the limiting strip is formed in the rear surface of the first vertical plate (15).

5. The head fixing device for ophthalmologic operation according to claim 3, characterized in that: the lower end of the rear surface of the first vertical plate (15) is provided with a circular groove matched with the threaded sleeve (38).

6. The head fixing device for ophthalmologic operation according to claim 3, characterized in that: the front surface of the second gear (34) is symmetrically provided with a structure the same as the rear surface of the fourth gear (36), and the front surface of the second vertical plate (16) is symmetrically provided with a structure the same as the rear surface of the first vertical plate (15).

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