CN111449889A

CN111449889A - Adjustable head fixing device for ophthalmologic operation

Info

Publication number: CN111449889A
Application number: CN202010319489.4A
Authority: CN
Inventors: 郝艳洁
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-07-28

Abstract

The invention discloses an adjustable head fixing device for ophthalmologic operation, which belongs to the technical field of ophthalmologic operation and comprises a base, wherein a first groove is formed in the upper surface of the base, the lower surface of the inner wall of the first groove is in lap joint with the lower surface of a concave panel, a threaded sleeve is connected in the first groove in a sliding mode, and the inner wall of the threaded sleeve is in threaded connection with the surface of the concave panel. This adjustable type head fixing device of ophthalmic surgery, through setting up the base, the pillow, threaded rod and second carousel, at first rotate the second carousel, make the second carousel pass through the threaded rod and drive slider side-to-side movement, the commentaries on classics piece takes place rotatoryly through the round pin axle, and drive the pillow angle through the expansion plate and take place the skew, the pillow begins to slide on the ball on the concave surface board, through rotating not equidirectional and pivoted number of turns angle that deflects about adjustable head promptly, angle fine setting about this kind of mode can in time be to the head, make staff's more convenient and safe during the operation.

Description

Adjustable head fixing device for ophthalmologic operation

Technical Field

The invention belongs to the technical field of ophthalmic surgery, and particularly relates to an adjustable head fixing device for ophthalmic surgery.

Background

The ophthalmology is called ophthalmology department, ophthalmology is a subject for researching diseases occurring in a visual system, including eyeballs and related tissues, common ophthalmology diseases comprise central serous retinopathy, xerophthalmia, sympathetic ophthalmia, nyctalopia, blindness, amblyopia, astigmatism, trachoma, cataract, diabetic retinopathy, conjunctivitis and the like, before an ophthalmologic operation is performed on a patient, the head of the patient needs to be fixed firstly, however, most of the existing head fixing methods of the ophthalmologic operation are directly fixed by a binding band, and the existing head fixing device is inconvenient for a worker to perform the operation, the operation angle needs to be changed along with the change of cutting and the internal angle of the eyes, the head cannot be finely adjusted in time, and certain inconvenience is brought to the worker.

Disclosure of Invention

Technical problem to be solved

In order to overcome the defects of the prior art, the invention provides an adjustable head fixing device for an ophthalmic operation, which solves the problems that the existing head fixing device is inconvenient for workers to operate, the operation angle needs to be changed along with the change of cutting and the internal angle of eyes, the left and right angles of the head cannot be finely adjusted in time, and certain inconvenience is brought to the workers.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an ophthalmic surgery's adjustable type head fixing device, the on-line screen storage device comprises a base, first recess has been seted up to the upper surface of base, the lower surface of first recess inner wall and the lower surface overlap joint of concave surface board, sliding connection has the thread bush in the first recess, the inner wall of thread bush and the surface threaded connection of concave surface board, the last sliding connection of surface of concave surface board has the pillow piece, the right flank of pillow piece and the left surface fixed connection of fixed block, the right flank of fixed block has the pull rod through the sliding sleeve joint, the left end of pull rod and the right side fixed connection of fixture block.

The utility model discloses a pillow of fixing block, including first through-hole, fixture block, pillow inner wall, bearing joint, pivot, fixed block upper surface, first through-hole sliding connection that the fixed block upper surface was seted up has the cassette tape structure, the fixture block is located first through-hole, the left end of cassette tape structure and the left surface fixed connection of pillow, the second recess has been seted up to the right flank of first recess inner wall, the upper surface of second recess inner wall has the pivot through the bearing joint, the top of pivot and the lower fixed surface of first carousel are connected, the bottom of pivot and the upper fixed surface of gear are connected, the gear meshes with a plurality of tooth grooves mutually, the lower surface of pillow and the upper fixed surface of expansion.

The lower surface of expansion plate and the last fixed surface who changes the piece are connected, expansion plate sliding connection is in the second through-hole that concave surface board lower surface was seted up and the third through-hole that third recess inner wall lower surface was seted up, the front of changing the piece is through the positive swing joint of round pin axle with the slider, slider female connection has the threaded rod, slider sliding connection is in the fourth recess, the surface of threaded rod through three bearing respectively with the left and right sides face of fourth recess inner wall and the right flank joint of base, the right-hand member of threaded rod and the left surface fixed connection of second carousel.

As a further scheme of the invention: the clamping belt structure comprises a belt, a fifth groove is formed in the right side face of the belt, a nylon breathable layer is arranged on the left side face of the belt, a plurality of helical teeth are arranged in the fifth groove, and the fifth groove is meshed with the helical teeth on the left side face of the clamping block through the helical teeth.

As a further scheme of the invention: the right side face of the clamping block is fixedly connected with the left end of the spring, the right end of the spring is fixedly connected with the right side face of the inner wall of the first through hole, and the right end of the pull rod is provided with a pull block.

As a further scheme of the invention: the upper surface of the pillow block is fixedly connected with the lower surfaces of the two connecting blocks, and the opposite surfaces of the two connecting blocks are fixedly connected with the left side surface and the right side surface of the same elastic membrane.

As a further scheme of the invention: the surface of first carousel and second carousel is provided with the handle, a plurality of draw-in groove has been seted up to the lower surface of concave surface inboard wall, a plurality of all be provided with the ball in the draw-in groove, a plurality of the surface of ball and the lower surface overlap joint of same pillow.

(III) advantageous effects

Compared with the prior art, the invention has the beneficial effects that:

1. this adjustable type head fixing device of ophthalmic surgery, through setting up the base, the pillow, the expansion plate, change the piece, the slider, the round pin axle, threaded rod and second carousel, when head deflection angle is adjusted to needs, at first rotate the second carousel, make the second carousel pass through the threaded rod and drive slider side-to-side movement, when the slider motion, it is rotatory that the piece takes place through the round pin axle to change the piece, and drive the pillow angle through the expansion plate and take place the skew, the pillow begins to slide on the ball on the concave surface board, through rotating not equidirectional and pivoted number of turns angle that can adjust the head side-to-side deflection promptly, angle fine setting about this kind of mode can in time be to the head, it is more convenient and safe when making the staff perform the.

2. This adjustable type head fixing device of ophthalmic surgery, through setting up first carousel, the apparatus further comprises a rotating shaft, the gear, the tooth's socket, the thread bush, concave surface board and pillow, when the staff uses, at first rotate first carousel, it is rotatory to make first carousel pass through gear and tooth's socket meshing effect down drive the thread bush, make it reciprocate under the screw thread effect with the concave surface board during the thread bush is rotatory, it reciprocates to drive the pillow when the concave surface board reciprocates, and pulling expansion plate length changes thereupon, the regulation that carries out the height when the convenient staff of this kind of mode ability degree uses greatly.

3. This adjustable type head fixing device of ophthalmic surgery, through setting up the fixed block, a spring, the fixture block, the pull rod, the connecting block, the elasticity involucra, fifth recess and belt, when the staff uses, at first place patient's head on the elasticity involucra, elasticity involucra is sunken under its head dead weight, pass the fixed block with the cassette structure afterwards, when the cassette structure passes the fixed block, the skewed tooth of fixture block left surface is constantly pressed to the skewed tooth in the fifth recess, make its fixture block move right and reset under the effect of spring, the meshing effect of skewed tooth makes its unable reverse extraction when the cassette structure is taken out down, continuously tighten up along with the cassette structure, press elasticity involucra to the bottom firmly with patient's head, make fixed more abundant, it is not hard up to prevent to appear.

Drawings

FIG. 1 is a schematic cross-sectional view of the front view of the present invention;

FIG. 2 is an enlarged schematic view of the structure of the present invention at A;

FIG. 3 is an enlarged schematic view of the present invention at B;

FIG. 4 is a schematic cross-sectional view of the fixed block of the present invention;

in the figure: the novel elastic rubber belt comprises a base 1, a pillow block 2, a thread bushing 3, a fixing block 4, a connecting block 5, a clamping belt 6, a belt 61, a fifth groove 62, a nylon 63 ventilation layer, a clamping block 7, an expansion plate 8, a first through hole 9, a spring 10, a pull rod 11, a concave plate 12, a ball 13, a gear 14, a tooth groove 15, a first groove 16, a second groove 17, a third groove 18, a clamping groove 19, a first rotary table 20, a second rotary table 21, a rotating shaft 22, a threaded rod 23, a fourth groove 24, a second through hole 25, a third through hole 26, a rotating block 27, a sliding block 28, a pin 29 and an elastic rubber membrane 30.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, the present invention provides a technical solution: the utility model provides an ophthalmic surgery's adjustable type head fixing device, which comprises a base 1, first recess 16 has been seted up to base 1's upper surface, the lower surface of first recess 16 inner wall and the lower surface overlap joint of concave surface board 12, sliding connection has thread bush 3 in first recess 16, the inner wall of thread bush 3 and the surface threaded connection of concave surface board 12, through setting up concave surface board 12, can play fine support and linkage effect, 2 deflection angle of pillow piece time and height-adjusting mutually noninterfere, make it can coordinate synchronous the use, the last surface sliding connection of concave surface board 12 has pillow piece 2, the right flank of pillow piece 2 and the left surface fixed connection of fixed block 4, the right flank of fixed block 4 has pull rod 11 through the sliding sleeve joint, the left end of pull rod 11 and the right flank fixed connection of fixture block 7.

Sliding connection has cassette structure 6 in the first through-hole 9 that the upper surface of fixed block 4 was seted up, fixture block 7 is located first through-hole 9, the left end of cassette structure 6 and pillow block 2's left surface fixed connection, second recess 17 has been seted up to the right flank of first recess 16 inner wall, the upper surface of second recess 17 inner wall has pivot 22 through the bearing joint, the top of pivot 22 and the lower fixed surface of first carousel 20 are connected, the bottom of pivot 22 and the upper fixed surface of gear 14 are connected, gear 14 meshes with a plurality of tooth's socket 15 mutually, the lower surface of pillow block 2 and the upper fixed surface of expansion plate 8 are connected.

The lower surface of expansion plate 8 and the last fixed surface who changes piece 27 are connected, expansion plate 8 sliding connection is in the second through-hole 25 that concave surface plate 12 lower surface was seted up and the third through-hole 26 that the inner wall lower surface of third recess 18 was seted up, change the positive swing joint of piece 27 through round pin axle 29 and slider 28, slider 28 female connection has threaded rod 23, slider 28 sliding connection is in fourth recess 24, threaded rod 23's surface is respectively with the left and right sides face of fourth recess 24 inner wall and the right flank joint of base 1 through three bearing, the right-hand member of threaded rod 23 and the left surface fixed connection of second carousel 21.

Specifically, as shown in fig. 1, the upper surface of pillow block 2 and the lower fixed surface of two connecting blocks 5 are connected, the opposite face of two connecting blocks 5 and the left and right sides face fixed connection of same elasticity involucra 30, through setting up pillow block 2, can make things convenient for the staff to fix the head, through setting up connecting block 5, can firmly fix elasticity involucra 30 in the top of pillow block 2, through setting up elasticity involucra 30, when cassette structure 6 tightens up, elasticity involucra 30 can be pressed to the head, make elasticity involucra 30 firmly pushed down, when elasticity involucra 30 is to the end, form a firm fixed knot structure with cassette structure 6.

Specifically, as shown in fig. 2, the surface of first carousel 20 and second carousel 21 is provided with the handle, a plurality of draw-in groove 19 has been seted up to the lower surface of concave surface plate 12 inner wall, all be provided with ball 13 in a plurality of draw-in groove 19, the surface of a plurality of ball 13 and the lower surface overlap joint of same pillow 2, through setting up first carousel 20, the surface of first carousel 20 is provided with the handle, make things convenient for the staff to rotate it, through setting up draw-in groove 19, ball 13 in the draw-in groove 19 enables the fine slip of pillow 2 above that, frictional force and loss are reduced.

Specifically, as shown in fig. 4, the fastening structure 6 includes a belt 61, a fifth groove 62 is formed on the right side surface of the belt 61, a nylon breathable layer 63 is disposed on the left side surface of the belt 61, a plurality of helical teeth are disposed in the fifth groove 62, the fifth groove 62 is engaged with the helical teeth on the left side surface of the fastening block 7 through the helical teeth, the right side surface of the fastening block 7 is fixedly connected with the left end of the spring 10, the right end of the spring 10 is fixedly connected with the right side surface of the inner wall of the first through hole 9, a pull block is disposed at the right end of the pull rod 11, by disposing the belt 61, the belt 61 has good flexibility and is difficult to break, the safety in use is high, by disposing the nylon breathable layer 63, when fixing, the belt is tightly attached to the skin, the skin can be ventilated to a great extent, by disposing the fifth groove 62, the helical teeth in the fifth groove 62 are engaged with the helical teeth on the left side surface of, dead benefit of reverse motion meshing card has made things convenient for and has used and fix, through setting up pull rod 11, the right-hand member of pull rod 11 is provided with draws the piece, can make things convenient for staff's work.

The working principle of the invention is as follows:

s1, when the device is used by a worker, the worker fixes the device at a proper height with an operating table, then puts the head of a patient on the elastic membrane 30, then engages the clamping band structure 6 with the clamping block 7 in the fixing block 4 and firmly fixes the head, presses the elastic membrane 30 to the bottom, and then firstly adjusts the height according to the use requirement;

s2, when the height is adjusted, firstly, the first rotary disc 20 is rotated, the first rotary disc 20 drives the gear 14 to rotate through the rotating shaft 22, the gear 14 is meshed with the tooth groove 15 to drive the threaded sleeve 3 to rotate, the threaded sleeve 3 rotates in the first groove 16, meanwhile, the concave panel 12 is driven to move upwards under the action of threads, the concave panel 12 drives the pillow block 2 to move upwards while moving upwards, the pillow block 2 moves upwards to pull the length of the telescopic plate 8 to change along with the length, and the first rotary disc 20 stops rotating after the height is proper, when the head inclination angle needs to be adjusted at any time in the operation process;

s3, firstly, the worker rotates the second turntable 21, the second turntable 21 drives the sliding block 28 to move through the threaded rod 23, the sliding block 28 drives the pillow block 2 to slide on the ball 13 through the expansion plate 8 when moving, the angle of the pillow block deviates left and right, then the second turntable 21 stops rotating after the angle is proper, after the use is finished, the worker pulls the pull rod 11, the fixture block 7 presses the spring 10, the oblique teeth on the left side surface of the fixture block 7 and the oblique teeth in the fifth groove 62 slip, and then the clamping band structure 6 is taken out.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. An adjustable head fixing device for ophthalmologic surgery, comprising a base (1), characterized in that: the upper surface of the base (1) is provided with a first groove (16), the lower surface of the inner wall of the first groove (16) is in lap joint with the lower surface of the concave panel (12), a threaded sleeve (3) is connected in the first groove (16) in a sliding manner, the inner wall of the threaded sleeve (3) is in threaded connection with the surface of the concave panel (12), the upper surface of the concave panel (12) is connected with a pillow block (2) in a sliding manner, the right side surface of the pillow block (2) is fixedly connected with the left side surface of the fixed block (4), the right side surface of the fixed block (4) is connected with a pull rod (11) in a clamping manner through a sliding sleeve, and the left end of the pull rod (11) is fixedly connected with the right side surface of the fixture;

a clamping belt structure (6) is connected in a sliding manner in a first through hole (9) formed in the upper surface of the fixing block (4), the clamping block (7) is located in the first through hole (9), the left end of the clamping belt structure (6) is fixedly connected with the left side surface of the pillow block (2), a second groove (17) is formed in the right side surface of the inner wall of the first groove (16), a rotating shaft (22) is clamped on the upper surface of the inner wall of the second groove (17) through a bearing, the top end of the rotating shaft (22) is fixedly connected with the lower surface of a first turntable (20), the bottom end of the rotating shaft (22) is fixedly connected with the upper surface of a gear (14), the gear (14) is meshed with a plurality of tooth grooves (15), and the lower surface of the pillow block (2) is fixedly connected with the upper surface of a telescopic plate (8);

the lower surface of expansion plate (8) and the last fixed surface who changes piece (27) are connected, expansion plate (8) sliding connection is in second through-hole (25) that concave surface board (12) lower surface was seted up and third through-hole (26) that third recess (18) inner wall lower surface was seted up, change the front swing joint through round pin axle (29) and slider (28) of piece (27), slider (28) female connection has threaded rod (23), slider (28) sliding connection is in fourth recess (24), the surface of threaded rod (23) through three bearing respectively with the left and right sides face of fourth recess (24) inner wall and the right flank joint of base (1), the right-hand member of threaded rod (23) and the left surface fixed connection of second carousel (21).

2. An ophthalmologic adjustable head fixation device according to claim 1, characterized in that: the clamping belt structure (6) comprises a belt (61), a fifth groove (62) is formed in the right side face of the belt (61), a nylon breathable layer (63) is arranged on the left side face of the belt (61), a plurality of helical teeth are arranged in the fifth groove (62), and the fifth groove (62) is meshed with the helical teeth on the left side face of the clamping block (7) through the helical teeth.

3. An ophthalmologic adjustable head fixation device according to claim 1, characterized in that: the right side face of the clamping block (7) is fixedly connected with the left end of the spring (10), the right end of the spring (10) is fixedly connected with the right side face of the inner wall of the first through hole (9), and the right end of the pull rod (11) is provided with a pull block.

4. An ophthalmologic adjustable head fixation device according to claim 1, characterized in that: the upper surface of the pillow block (2) is fixedly connected with the lower surfaces of the two connecting blocks (5), and the opposite surfaces of the two connecting blocks (5) are fixedly connected with the left side surface and the right side surface of the same elastic membrane (30).

5. An ophthalmologic adjustable head fixation device according to claim 1, characterized in that: the surface of first carousel (20) and second carousel (21) is provided with the handle, a plurality of draw-in groove (19), a plurality of have been seted up to the lower surface of concave surface board (12) inner wall all be provided with ball (13) in draw-in groove (19), a plurality of the surface of ball (13) and the lower surface overlap joint of same pillow (2).