CN213607906U

CN213607906U - Eye surgery head fixing device

Info

Publication number: CN213607906U
Application number: CN202021960666.9U
Authority: CN
Inventors: 王鹏琳; 杨弋; 张碧霄
Original assignee: Second Affiliated Hospital of Zhengzhou Unviersity
Current assignee: Second Affiliated Hospital of Zhengzhou Unviersity
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-07-06
Anticipated expiration: 2030-09-09

Abstract

An eye operation head fixing device effectively solves the problem that the prior fixing mode has poor fixing property and influences the operation effect; the sliding device comprises a bottom plate, wherein a square groove is formed in the bottom plate, gears in the vertical axial direction and the horizontal axial direction are rotationally connected in the square groove, sliding blocks are respectively connected to the left side and the right side in the square groove in a sliding mode, racks in the horizontal direction and the horizontal direction are respectively arranged at the opposite ends of the two sliding blocks, the two racks are respectively meshed with the gears, a fixing plate is arranged at the upper end of each sliding block, a positioning structure is arranged at the left end of a left fixing plate, sliding cylinders which are in the vertical axial direction and located behind the fixing plates are respectively arranged on the left side and the right side of the bottom plate, a limiting structure is arranged at the upper end; the structure is simple, the operation is convenient, the conception is novel, and the practicability is strong.

Description

Eye surgery head fixing device

Technical Field

The utility model relates to an ophthalmic surgery auxiliary instrument technical field, especially an ophthalmic surgery head fixing device.

Background

The types of ophthalmic surgery are very many, the surgical modes involved in different diseases are various, for example, surgery on tumor, keratopathy, corneal transplantation, amnion transplantation and conjunctival flap covering surgery, trabeculectomy combined with periiridectomy in glaucoma, vitrectomy in case of vitreous opacity, vitrectomy in case of retinal detachment and retinal detachment reduction surgery in case of retinal detachment, when ophthalmic surgery is performed, the head of a patient needs to be fixed so that medical staff can position the eyes of the patient, so as to perform the surgery, if the head of the patient is not fixed firmly, the performance of the surgery is affected, even the patient is injured, clinically, before performing the ophthalmic surgery, two splints are used for clamping and fixing two sides of the head of the patient, the head of the patient can still shake up and down, the fixation is poor, and potential safety hazards exist during the operation.

SUMMERY OF THE UTILITY MODEL

To the above situation, in order to overcome the defects of the prior art, the utility model aims to provide an eye operation head fixing device, which effectively solves the problem that the poor fixing property of the existing fixing mode affects the operation effect.

The technical scheme of its solution is, the utility model discloses a bottom plate, the square groove has been seted up on the bottom plate, axial gear about the square groove internal rotation is connected with, the square groove is the left and right sides sliding connection respectively has the slider, two slider looks remote ends are equipped with the rack of left and right directions respectively, two racks respectively with gear engagement, the slider upper end is equipped with the fixed plate, left fixed plate left end is equipped with location structure, the bottom plate left and right sides is equipped with the slide cartridge that axial just is located the fixed plate rear about respectively, left slide cartridge upper end is equipped with limit structure, coaxial sliding connection has the slide bar in the slide cartridge, two slide bar upper ends are equipped with the apron of direction about one, be equipped with the backup pad.

Compared with the prior art, the beneficial effects of the utility model are that: through the setting of fixed plate, apron and elastic webbing, fixed patient's head left and right sides, forehead and lower jaw respectively, it is firm to fix patient's head, rock in avoiding performing the operation, stopped the potential safety hazard that appears, guaranteed the implementation effect of operation, the effectual poor problem that influences the operation effect of current fixed mode fixity of having solved, through limit structure and location structure's setting, make this device be applicable to different patients, this simple structure, convenient operation conceives the novelty, and the practicality is strong.

Drawings

Fig. 1 is an isometric view of the present invention.

Fig. 2 is a perspective view of the utility model.

Fig. 3 is a sectional top perspective view of the present invention.

Fig. 4 is an enlarged view of a in fig. 2 according to the present invention.

Fig. 5 is an enlarged view of B in fig. 3 according to the present invention.

Fig. 6 is a front perspective view of the middle elastic belt of the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

By figure 1 to 6, including bottom plate 1, square groove 2 has been seted up on

bottom plate

1, 2 internal rotations in square groove are connected with axial gear 3 from top to bottom, the left and right sides is sliding connection respectively has slider 4 in the square groove 2, two 4 looks remote departments of slider are equipped with left and right sides direction's rack 5 respectively, two rack 5 mesh with gear 3 respectively, slider 4 upper end is equipped with

fixed plate

6, 6 left ends of left fixed plate are equipped with location structure, the bottom plate 1 left and right sides is equipped with respectively about axial and is located the slide cartridge 8 at 6 backs of fixed plate, left slide cartridge 8 upper end is equipped with limit structure, coaxial sliding connection has slide bar 9 in the slide cartridge 8, two slide bar 9 upper ends are equipped with the apron 10 of a left and right directions, be equipped with the backup pad 11 that is located square groove 2.

Location structure include a plurality of along left right direction equipartition and be located 2 left sides bottom of square groove lower

skewed tooth

12, 6 left ends of fixed plate are equipped with opening rectangle box 13 down, there is slide 14 on the upper surface in rectangle box 13 through spring coupling, slide 14 lower extreme stretches out rectangle box 13 and is equipped with

clamp plate

15, 15 lower extremes of clamp plate are equipped with a plurality of along left right direction equipartitions and can with lower skewed tooth 12 complex go up skewed tooth 16.

The limiting structure comprises a control box 17 with an opening facing the left and located at the upper end of the left sliding barrel 8, the inner right surface of the control box 17 is connected with a control plate 18 through a pressure spring, a semi-kidney-shaped groove 19 which is through up and down is formed in the control plate 18, the upper end of the left sliding rod 9 penetrates through the semi-kidney-shaped groove 19, and a plurality of limiting grooves 20 which are uniformly distributed along the up and down direction are formed in the right end of the left sliding rod 9.

For adjusting the length of elastic band 7, the front end of the left fixing plate 6 is fixed with the elastic band 7, the free end of the elastic band 7 is provided with a plurality of clamping holes 21 uniformly distributed along the length direction, the front end of the right fixing plate 6 is provided with clamping columns 22 capable of being inserted into the clamping holes 21, and the elastic band 7 is connected with a supporting plate 23 in a sliding manner.

In order to facilitate the sliding of the sliding plate 14, a through groove in the vertical direction is formed in the left side of the rectangular box 13, a pressing block 24 is arranged at the upper end of the sliding plate 14, and the left end of the pressing block 24 extends out of the through groove.

In order to increase the comfort of the patient, the opposite surfaces of the two fixing plates 6, the upper end surface of the supporting plate 11 and the lower end surface of the pressing plate 15 are provided with soft pads 25.

When the utility model is used, the device is firstly placed on an operating table, the head of a patient is placed on a cushion 25 on a support plate 11, a pressing block 24 is upwards buckled, the pressing block 24 upwards moves and compresses a spring, the pressing block 24 drives a pressing plate 15 to upwards move through a sliding plate 14, the pressing plate 15 drives an upper skewed tooth 16 to upwards move and separate from a lower skewed tooth 12, at the moment, a left fixing plate 6 can move rightwards, the fixing plate 6 moves rightwards, the fixing plate 6 drives a rack 5 at the rear side to move rightwards through a sliding block 4, the rack 5 at the rear side drives a gear 3 to clockwise rotate, the gear 3 drives a fixing plate 6 at the right side to move leftwards through a rack 5 at the front side, the fixing plates 6 at the left side and the right side are adjusted until the cushion 25 is attached to the head of the patient, the pressing block 24 is loosened, the pressing block 24 drives the, at the moment, the fixing plate 6 can not move, and the left side and the right side of the head of the patient are fixed;

the control board 18 is pressed rightwards, the control board 18 moves rightwards and compresses the pressure spring, the control board 18 is not clamped in the limiting groove 20 any more, at the moment, the slide rod 9 can move upwards and downwards, the slide rod 9 moves downwards, the slide rod 9 drives the cover plate 10 to move downwards until the soft cushion 25 on the cover plate 10 is attached to the head of the patient, the control board 18 is loosened, under the action of the pressure spring, the control board 18 moves leftwards integrally and the right end of the control board is clamped in the corresponding limiting groove 20, and the forehead of the patient is fixed;

the elastic band 7 is wound around the lower part of the lower jaw of the patient, the movable supporting plate 23 is positioned right below the lower jaw of the patient, the clamping holes 21 are sleeved on the corresponding clamping columns 22, the elastic band 7 is fixed, and the lower jaw of the patient is fixed.

Claims

1. A head fixing device for eye surgery comprises a bottom plate (1) and is characterized in that a square groove (2) is formed in the bottom plate (1), gears (3) which are axially arranged up and down are rotationally connected in the square groove (2), sliders (4) are respectively and slidably connected to the left side and the right side in the square groove (2), racks (5) which are axially arranged left and right are respectively arranged at opposite ends of the two sliders (4), the two racks (5) are respectively meshed with the gears (3), a fixing plate (6) is arranged at the upper end of each slider (4), a positioning structure is arranged at the left end of the left fixing plate (6), sliding cylinders (8) which are axially arranged up and down and behind the fixing plate (6) are respectively arranged at the left side and the right side of the bottom plate (1), a limiting structure is arranged at the upper ends of the left sliding cylinders (8), sliding rods (9) are coaxially and slidably connected in the, the bottom plate (1) is provided with a supporting plate (11) which is positioned above the square groove (2).

2. The eye surgery head fixing device according to claim 1, wherein the positioning structure comprises a plurality of lower oblique teeth (12) which are uniformly distributed along the left-right direction and are positioned at the bottom of the left side of the square groove (2), the left end of the fixing plate (6) is provided with a rectangular box (13) with a downward opening, the inner upper surface of the rectangular box (13) is connected with a sliding plate (14) through a spring, the lower end of the sliding plate (14) extends out of the rectangular box (13) and is provided with a pressing plate (15), and the lower end of the pressing plate (15) is provided with a plurality of upper oblique teeth (16) which are uniformly distributed along the left-right direction and can be matched with the lower oblique teeth (.

3. The eye surgery head fixing device according to claim 1, wherein the limiting structure comprises a control box (17) which is opened towards the left and is positioned at the upper end of a left sliding barrel (8), the inner right surface of the control box (17) is connected with a control panel (18) through a pressure spring, a semi-kidney-shaped groove (19) which is through up and down is formed in the control panel (18), the upper end of a left sliding rod (9) penetrates through the semi-kidney-shaped groove (19), and a plurality of limiting grooves (20) which are uniformly distributed along the up and down direction are formed in the right end of the left sliding rod (9).

4. The eye surgery head fixing device according to claim 1, wherein the front end of the fixing plate (6) on the left side is fixed with an elastic belt (7), the free end of the elastic belt (7) is provided with a plurality of clamping holes (21) uniformly distributed along the length direction of the elastic belt, the front end of the fixing plate (6) on the right side is provided with clamping columns (22) capable of being inserted into the clamping holes (21), and the elastic belt (7) is connected with a supporting plate (23) in a sliding manner.

5. The eye surgery head fixing device according to claim 2, wherein a through groove is formed in the left side of the rectangular box (13) in the vertical direction, a pressing block (24) is arranged at the upper end of the sliding plate (14), and the left end of the pressing block (24) extends out of the through groove.

6. The eye surgery head fixing device according to claim 1, wherein the opposite surfaces of the two fixing plates (6), the upper end surface of the supporting plate (11) and the lower end surface of the pressure plate (15) are provided with soft pads (25).