CN115517892A

CN115517892A - Ophthalmic operating table

Info

Publication number: CN115517892A
Application number: CN202211486646.6A
Authority: CN
Inventors: 王淑娜; 范东霞; 王良艳
Original assignee: Affiliated Hospital of Weifang Medical University
Current assignee: Affiliated Hospital of Weifang Medical University
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2022-12-27
Anticipated expiration: 2042-11-25
Also published as: CN115517892B

Abstract

The invention relates to the technical field of operating tables, in particular to an ophthalmic operating table.A headrest is arranged at the top of the front end of a table body, mounting frames are respectively arranged on the left side and the right side of the table body in a front-back sliding manner, and clamping mechanisms are arranged on the mounting frames; the headrest comprises a pillow seat fixedly arranged on the table body, the top of the pillow seat is provided with a containing groove, a pillow pad is movably arranged in the containing groove up and down, the bottom of the pillow pad is fixedly arranged on the bottom plate, and an electric cylinder for driving the pillow pad to ascend or descend is arranged between the bottom plate and the containing groove; the clamping mechanism comprises a driving motor arranged on the mounting frame, a supporting plate is fixedly arranged on a rotating shaft of the driving motor, a horizontally arranged electric push rod is arranged at the top of the supporting plate, and a clamping plate is fixedly arranged at the output end of the electric push rod; through the front and back slip mounting bracket and make two splint aim at patient's facial both sides respectively, through the flexible height of adjusting splint for patient's head of electric jar to the centre gripping angle of two splint is adjusted through driving motor.

Description

Ophthalmic operating table

Technical Field

The invention relates to the technical field of operating tables, in particular to an ophthalmic operating table.

Background

While anesthesia avoids the possibility of most patients moving during ophthalmic surgery, some risks still exist during surgery, and once the patient moves, the patient may be injured greatly during the surgery because the eyes belong to the sensitive area of the human body.

The invention patent with the application number of CN201911035356.8 discloses an auxiliary working device for traditional Chinese medicine ophthalmic surgery, which comprises an operating table, wherein shock absorption bottom feet are distributed at the lower end of the operating table in an array mode, a multi-stage telescopic table is arranged at the upper end of the operating table, an operating bed is arranged at the upper end of the multi-stage telescopic table, a head supporting plate is arranged at one end of the operating bed, a sterile operating table is arranged on a sanitary cushion on the head supporting plate, a pillow pad is arranged on the sterile operating table, moving devices distributed in a mirror image mode are arranged on two sides of the operating bed, and side clamping and fixing mechanisms are arranged on the moving devices. During the use, patient's head lies on the pillow, utilizes the side clamp fixture to fix patient's head, can effectively avoid patient's head to take place to remove, has improved the reliability of doctor's operation.

However, the auxiliary working device for traditional Chinese medicine ophthalmic surgery adjusts the side clip fixing mechanism in a too single manner, and only the side clip fixing mechanism can be adjusted by sliding along the roller track plates on the two sides of the operating table, so that the height of the side clip fixing mechanism relative to the head of the patient and the angle of the side clip fixing mechanism for clamping the head of the patient cannot be adjusted, and the auxiliary working device is inconvenient for different patients to use.

Disclosure of Invention

The technical problem to be solved by the invention is to provide an ophthalmologic operating table, which is convenient for adjusting the position of a clamping mechanism for clamping the head of a patient and the angle for clamping the head of the patient, so as to solve the problem that the ophthalmologic operating table is inconvenient to use by aiming at different patients in the prior art.

In order to solve the technical problem, the technical scheme of the invention is as follows: the ophthalmologic operation table comprises a base, wherein a telescopic column is fixedly arranged at the top of the base, a table body is fixedly arranged at the upper end of the telescopic column, a headrest is arranged at the top of the front end of the table body, mounting frames are respectively arranged on the left side and the right side of the table body in a front-back sliding mode, and a clamping mechanism is arranged on the mounting frames; the headrest comprises a pillow seat fixedly arranged on the table body, the top of the pillow seat is provided with a containing groove, a pillow is movably arranged in the containing groove up and down, the bottom of the pillow is fixedly arranged on a bottom plate, and an electric cylinder for driving the pillow to ascend or descend is arranged between the bottom plate and the containing groove; fixture is including installing driving motor on the mounting bracket, driving motor's the vertical extension of axis of rotation, fixed mounting has the layer board in driving motor's the axis of rotation, the electric putter that the level set up is installed at the top of layer board, electric putter's output fixed mounting has splint.

As a preferred technical scheme, the mounting frame comprises a vertical part and an inward-bent horizontal part positioned at the upper end of the vertical part, and the driving motor is mounted on the horizontal part; two cylindrical first guide rods are oppositely and fixedly arranged on the left side and the right side of the bottom of the table body, the first guide rods extend forwards and backwards, a connecting plate is fixedly arranged on the inner side of the vertical portion, and first round holes matched with the first guide rods are formed in the connecting plate.

As a further improvement, two flat second guide rods are movably mounted at the bottom of the table body, the second guide rods extend forwards and backwards and are positioned above the corresponding first guide rods, arc-shaped surfaces are respectively arranged on two sides of each second guide rod along the height direction, second round holes matched with the second guide rods are further formed in the connecting plate, and the arc-shaped surfaces are attached to the inner walls of the second round holes; an arc-shaped groove is formed in the connecting plate and located on the inner side of the second round hole, the circle center of the arc-shaped groove is overlapped with the axis of the first round hole, one end of the arc-shaped groove is communicated with the second round hole, the width of the arc-shaped groove is smaller than the diameter of the second round hole, and when the second guide rod rotates to be in a horizontal state, the projection of the second guide rod along the front-back direction completely falls into the rotating track of the arc-shaped groove around the first guide rod; correspondingly, the first guide rod and the second guide rod are further provided with the same mounting seat in a front-back sliding mode, the mounting seat is provided with a first mounting hole and a second mounting hole which are matched with the first guide rod and the second guide rod respectively and are circular, the outer side of the mounting seat is provided with a mounting groove matched with the corresponding connecting plate, the first mounting hole and the second mounting hole penetrate through the mounting groove, and an elastic sheet used for pushing the connecting plate to rotate outwards is arranged between the inner wall of the mounting groove and the connecting plate.

As a further improvement, two supporting seats are oppositely and fixedly arranged at the front and the back of the bottom of the table body, and the first guide rod is fixedly arranged between the two supporting seats; the two ends of the second guide rod are respectively provided with a connecting shaft, the axis of the connecting shaft is superposed with the axis of the corresponding arc-shaped surface, and the second guide rod is rotatably arranged between the two supporting seats through the connecting shaft.

As a further improvement, an adjusting mechanism for driving the mounting seat to move back and forth is arranged at the bottom of the table body, the adjusting mechanism comprises two lead screws which are oppositely arranged left and right, the lead screws extend back and forth, the lead screws are rotatably mounted between the two supporting seats, nuts matched with the lead screws are fixedly mounted on the mounting seat, the nuts are screwed on the corresponding lead screws, and an adjusting motor for driving the lead screws to rotate is mounted on the supporting seats at the rear ends.

As further improvement, be located the front end be equipped with the installation cavity in the supporting seat, it is corresponding the one end of connecting axle extends to in the installation cavity, fixed mounting has on the connecting axle and is located fixed cover in the installation cavity, one side fixed mounting of fixed cover has the swing board, fixed mounting has on the inner wall of installation cavity and is located the first limiting plate of the top of connecting axle works as the swing board laminating is in during the inboard of first limiting plate, the second guide bar rotates to vertical state, fixed cover with be connected with the messenger between the inner wall of installation cavity the swing board laminating is in the torsional spring of the inboard of first limiting plate.

As a further improvement, a second limiting plate positioned on the inner side of the connecting shaft is fixedly mounted on the inner wall of the mounting cavity, and when the swinging plate is attached to the top of the second limiting plate, the second guide rod rotates to a horizontal state.

As a further improvement, be equipped with on the diapire of installation cavity and pierce through downwards the guiding hole of supporting seat, the guiding hole is located two between the connecting axle, movable mounting has the pull rod about in the guiding hole, two fixedly connected with wire rope between the swing board, the upper end fixed mounting of pull rod has the connecting block, be equipped with the confession on the connecting block wire rope passes the line hole, the connecting block with be connected with the spring between the diapire of installation cavity.

After the technical scheme is adopted, the invention has the beneficial effects that:

(1) When the head of a patient is clamped and fixed, the mounting frame is slid forwards and backwards, the two clamping plates are respectively aligned to the two sides of the face of the patient, the pillow is driven to ascend or descend by the stretching of the electric cylinder, so that the height of the clamping plates relative to the head of the patient is adjusted, the supporting plate and the electric push rod are driven to rotate by the driving motor, so that the clamping angles of the two clamping plates are adjusted, and the clamping plates can be better attached to the face of the patient;

(2) According to the invention, the two second guide rods are driven to quickly rotate to the horizontal state by pulling the pull rod downwards, the elastic sheet pushes the connecting plate to quickly rotate outwards, and the connecting plate drives the mounting frame to rotate outwards, so that the head of a patient can be quickly loosened by the clamping mechanism, and when an emergency happens in an operation, the head of the patient can be quickly clamped, and the patient can be quickly transferred from the operating table.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic top view of a stage according to an embodiment of the invention;

FIG. 3 is a schematic bottom view of the table body according to the embodiment of the invention;

FIG. 4 isbase:Sub>A schematic cross-sectional view A-A of the mount of FIG. 3;

FIG. 5 is a cross-sectional schematic view of a second guide bar of an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a connecting plate according to an embodiment of the invention;

FIG. 7 is a schematic structural view of a mounting base of an embodiment of the invention;

FIG. 8 is a schematic view of a second guide bar of an embodiment of the present invention entering an arcuate slot;

FIG. 9 is a schematic cross-sectional view B-B of the support base of FIG. 3;

FIG. 10 is a schematic view of the swing plate of the embodiment of the present invention attached on top of the second stopper plate;

FIG. 11 is a schematic cross-sectional view of C-C of FIG. 9;

fig. 12 is a schematic structural view of a headrest of the embodiment of the invention.

In the figure: 1-a base; 2-a telescopic column; 3-a table body; 4-headrest; 401-pillow base; 402-a containing groove; 403-pillow pad; 404-a backplane; 405-an electric cylinder; 406-a polish rod; 407-a cannula; 5-mounting a frame; 501-a vertical portion; 502-a horizontal portion; 6-a first guide bar; 7-a connecting plate; 8-a first circular aperture; 9-a second guide bar; 10-arc surface; 11-a second circular aperture; 12-an arc-shaped slot; 13-a mounting seat; 14-a first mounting hole; 15-a second mounting hole; 16-mounting grooves; 17-a spring plate; 18-a support base; 181-a support seat body; 182-a cover plate; 19-a connecting shaft; 20-a screw rod; 21-a nut; 22-a regulating motor; 23-a mounting cavity; 24-fixing the sleeve; 25-a swing plate; 26-a first limiting plate; 27-torsion spring; 28-a second limiting plate; 29-a pilot hole; 30-a pull rod; 31-connecting blocks; 32-a wire through hole; 33-a spring; 34-a drive motor; 35-a pallet; 36-an electric push rod; 37-a clamping plate; 38-steel wire rope.

Detailed Description

As shown in fig. 1 to 12, the ophthalmologic operation table comprises a base 1, a telescopic column 2 is fixedly mounted at the top of the base 1, a table body 3 is fixedly mounted at the upper end of the telescopic column 2, a headrest 4 is arranged at the top of the front end of the table body 3, mounting frames 5 are respectively slidably mounted on the left side and the right side of the table body 3 in the front and back directions, and clamping mechanisms are arranged on the mounting frames 5.

As shown in fig. 12, the headrest 4 includes a pillow 401 fixedly mounted on the table body 3, the pillow 401 is embedded into the top of the table body 3, a containing groove 402 is formed in the top of the pillow 401, a pillow 403 is movably mounted in the containing groove 402 up and down, an arc-shaped groove is formed in the upper surface of the pillow 403, a primary positioning function can be performed on the head of the patient, the bottom of the pillow 403 is bonded on the bottom plate 404, an electric cylinder 405 used for driving the pillow 403 to ascend or descend is mounted between the bottom plate 404 and the containing groove 402, an output rod of the electric cylinder 405 vertically extends upwards, a cylinder body of the electric cylinder 405 is fixedly mounted at the bottom of the containing groove 402 through a bolt, and the output rod of the electric cylinder 405 is fixedly mounted at the bottom of the bottom plate 404 through a bolt. In addition, in order to improve the lifting stability of the pillow 403, vertically extending polish rods 406 are welded to four corners of the bottom plate 404, and insertion tubes 407 matched with the polish rods 406 are welded to four corners of the bottom of the accommodating groove 402.

Fixture is including installing driving motor 34 on mounting bracket 5, and driving motor 34's the vertical extension of axis of rotation, fixed mounting has layer board 35 in driving motor 34's the axis of rotation, and the electric putter 36 that the level set up is installed through the bolt in layer board 35's top, and electric putter 36's output has splint 37 through bolt fixed mounting.

During operation, a patient lies on the table body 3, the head of the patient is rested on the pillow 403, the mounting frame 5 is slid forwards and backwards, and the two clamping plates 37 are respectively aligned to the two sides of the face of the patient; the pillow 403 is driven to ascend or descend by the extension and contraction of the electric cylinder 405, the pillow 403 drives the head of the patient to ascend or descend, and therefore the height of the clamp plate 37 relative to the head of the patient is adjusted; the supporting plate 35 and the electric push rod 36 are driven to rotate by the driving motor 34, so that the clamping angle of the two clamping plates 37 is adjusted, and the clamping plates 37 are enabled to be better attached to the face of a patient; after the adjustment is finished, the electric push rod 36 extends to drive the clamping plates 37 to clamp the face of the patient from two sides, so that the head of the patient is prevented from moving in the operation process.

As shown in fig. 1 and 4, the mounting bracket 5 includes a vertical portion 501 and an inwardly bent horizontal portion 502 at an upper end of the vertical portion 501, the driving motor 34 is fixedly mounted at a bottom of the horizontal portion 502 by bolts, and a rotation shaft of the driving motor 34 passes upward through the horizontal portion 502 and fixedly mounts the bracket 35. In order to provide a supporting effect for the mounting frame 5, as shown in fig. 3 and 4, two cylindrical first guide rods 6 are relatively and fixedly mounted at the left and right sides of the bottom of the table body 3, the first guide rods 6 extend forwards and backwards, a connecting plate 7 is fixedly mounted on the inner side of the lower end of the vertical portion 501 through bolts, as shown in fig. 6, a first round hole 8 matched with the first guide rod 6 is formed in the connecting plate 7, and the first round hole 8 is sleeved on the corresponding first guide rod 6.

As shown in fig. 3 and 4, the bottom of the table body 3 is further movably provided with two flat second guide rods 9, the second guide rods 9 extend forwards and backwards, and the second guide rods 9 are located above the corresponding first guide rods 6, as shown in fig. 5, the two sides of the second guide rods 9 in the height direction are respectively provided with an arc-shaped surface 10, as shown in fig. 6, the connecting plate 7 is further provided with second round holes 11 matched with the second guide rods 9, the second round holes 11 are sleeved on the corresponding second guide rods 9, and the arc-shaped surfaces 10 are attached to the inner walls of the second round holes 11.

As shown in fig. 4 and 6, an arc-shaped groove 12 is formed in the connecting plate 7 located inside the second circular hole 11, a center of the arc-shaped groove 12 coincides with an axis of the first circular hole 8, one end of the arc-shaped groove 12 is communicated with the second circular hole 11, a width of the arc-shaped groove 12 is smaller than a diameter of the second circular hole 11, and when the second guide rod 9 rotates to a horizontal state, a projection of the second guide rod 9 in the front-back direction completely falls on a track of the arc-shaped groove 12 rotating around the first guide rod 6.

Specifically, when the second guide rod 9 rotates to a vertical state, as shown in fig. 4, the two arc-shaped surfaces 10 are respectively located at the upper side and the lower side of the second guide rod 9, and both the two arc-shaped surfaces 10 are attached to the inner wall of the second round hole 11, so that the connecting plate 7 is limited to rotate around the first guide rod 6, and at this time, the connecting plate 7 and the mounting frame 5 can be adjusted only by sliding back and forth along the first guide rod 6 and the second guide rod 9; when the second guiding rod 9 rotates to the horizontal state, the two arc-shaped surfaces 10 are respectively positioned at the left side and the right side of the second guiding rod 9, one arc-shaped surface 10 rotates to the arc-shaped groove 12 and is separated from the inner wall of the second round hole 11, the projection of the second guiding rod 9 in the front-back direction completely falls into the arc-shaped groove 12 on the track rotating around the first guiding rod 6, so that the second guiding rod 9 no longer limits the connecting plate 7 to rotate around the first guiding rod 6, as shown in fig. 8, the connecting plate 7 rotates outwards around the first guiding rod 6, so that the second guiding rod 9 enters the arc-shaped groove 12, meanwhile, the connecting plate 7 drives the mounting frame 5 to rotate outwards, and then the two groups of clamping mechanisms can quickly loosen the head of a patient outwards.

As shown in fig. 4, the same mounting seat 13 is further slidably mounted on the corresponding first guide bar 6 and the second guide bar 9 back and forth, as shown in fig. 7, a circular first mounting hole 14 and a circular second mounting hole 15 are provided on the mounting seat 13, the circular first mounting hole 14 and the circular second mounting hole 15 are respectively matched with the first guide bar 6 and the second guide bar 9, a mounting groove 16 matched with the corresponding connecting plate 7 is provided on the outer side of the mounting seat 13, the first mounting hole 14 and the second mounting hole 15 both penetrate through the mounting groove 16, the width of the mounting groove 16 in the front-back direction is consistent with the width of the connecting plate 7, so as to prevent the connecting plate 7 from moving back and forth in the mounting groove 16, an elastic sheet 17 for pushing the connecting plate 7 to rotate outward is provided between the inner wall of the mounting groove 16 and the connecting plate 7, one end of the elastic sheet 17 is fixedly mounted on the bottom wall of the mounting groove 16 by a bolt, and the other end is supported on the inner side of the connecting plate 7 and provides an outward pushing force to the connecting plate 7.

During normal operation, the second guide rod 9 is kept in a vertical state, as shown in fig. 4, the second round hole 11 is sleeved on the second guide rod 9, and the connecting plate 7 cannot rotate around the first guide rod 6; when an emergency occurs in an operation and a patient needs to be quickly transferred from an operating table, the two second guide rods 9 are adjusted to rotate to the horizontal state, the second guide rods 9 no longer limit the connecting plate 7 to rotate around the first guide rod 6, the connecting plate 7 is pushed to rotate outwards quickly through the elastic sheet 17, and as shown in fig. 8, the connecting plate 7 drives the mounting frame 5 to rotate outwards and enables the clamping mechanism to quickly loosen the head of the patient.

As shown in fig. 3, two supporting seats 18 are oppositely and fixedly installed at the front and back of the bottom of the front end of the table body 3, the supporting seats 18 can be fixed with the bottom of the table body 3 through bolts, the first guiding rod 6 is fixedly installed between the two supporting seats 18, and two ends of the first guiding rod 6 are respectively fixed with the two supporting seats 18 through bolts; two ends of the second guide rod 9 are respectively provided with a connecting shaft 19, the second guide rod 9 and the connecting shaft 19 are integrally formed, the axis of the connecting shaft 19 coincides with the axis of the corresponding arc-shaped surface 10, the second guide rod 9 is rotatably installed between the two supporting seats 18 through the connecting shaft 19, and the two connecting shafts 19 are respectively rotatably connected with the corresponding supporting seats 18 through bearings.

The bottom of stage body 3 is equipped with the adjustment mechanism who is used for driving mount pad 13 back-and-forth movement, adjustment mechanism includes two lead screws 20 of controlling relative setting, lead screw 20 is extended from beginning to end, lead screw 20 rotates and installs between two supporting seats 18, the both ends of lead screw 20 are equipped with the polished rod respectively, the polished rod at both ends rotates through bearing and corresponding supporting seat 18 respectively and is connected, the welding has the nut 21 with lead screw 20 assorted on the mount pad 13, nut 21 closes soon on corresponding lead screw 20, be located and install on the supporting seat 18 of rear end and be used for driving lead screw 20 pivoted adjusting motor 22. Specifically, the adjusting motor 22 drives the screw rod 20 to rotate when working, the screw rod 20 drives the mounting base 13 to move back and forth along the first guide rod 6 and the second guide rod 9 through the nut 21, and then the mounting base 13 drives the connecting plate 7 and the mounting frame 5 to move back and forth synchronously, so that the clamping mechanism is adjusted back and forth.

The support seat 18 located at the front end is provided with the installation cavity 23 therein, as shown in fig. 3, 9 and 11, the support seat 18 located at the front end is composed of a support seat body 181 and a cover plate 182, one side of the support seat body 181 is provided with a groove, the cover plate 182 is fixed at one side of the support seat body 181 by a bolt, and the installation cavity 23 is formed between the cover plate 182 and the groove. One end of a corresponding connecting shaft 19 extends into the mounting cavity 23, a fixing sleeve 24 located in the mounting cavity 23 is fixedly mounted on the connecting shaft 19 through a bolt, a swing plate 25 is welded on one side of the fixing sleeve 24, a first limiting plate 26 located above the connecting shaft 19 is fixedly mounted on the inner wall of the mounting cavity 23 through a bolt or a welding mode, when the swing plate 25 is attached to the inner side of the first limiting plate 26, the second guide rod 9 rotates to a vertical state, a torsion spring 27 enabling the swing plate 25 to be attached to the inner side of the first limiting plate 26 is connected between the fixing sleeve 24 and the inner wall of the mounting cavity 23, the torsion spring 27 is sleeved on the connecting shaft 19, fixing grooves matched with the torsion spring 27 are respectively formed in one end of the fixing sleeve 24 and the inner wall of the mounting cavity 23, two ends of the torsion spring 27 are respectively inserted into the corresponding fixing grooves, when no external force is applied, the swing plate 25 is driven to be attached to the inner side of the first limiting plate 26 through torsion of the torsion spring 27, the second guide rod 9 is enabled to be kept in a non-rotatable state at will, and accidental head loosening of a patient during a normal operation process is avoided.

A second limiting plate 28 positioned on the inner side of the connecting shaft 19 is fixedly mounted on the inner wall of the mounting cavity 23 through bolts or welding, and when the swinging plate 25 is attached to the top of the second limiting plate 28, the second guide rod 9 rotates to a horizontal state. The second limiting plate 28 can prevent the second guiding rod 9 from rotating over the position, and when the swinging plate 25 is attached to the top of the second limiting plate 28, the second limiting plate 28 prevents the second guiding rod 9 from continuing to rotate, so that the connecting plate 7 is pushed by the elastic sheet 17 to rotate outwards quickly.

Be equipped with the guiding hole 29 that pierces through supporting seat 18 downwards on the diapire of installation cavity 23, guiding hole 29 is located between two connecting axles 19, movable mounting has pull rod 30 about in the guiding hole 29, fixedly connected with wire rope 38 between two swing boards 25, the one end that fixed cover 24 was kept away from to swing board 25 is equipped with the solid fixed ring with wire rope 38 assorted, the mode fixed mounting that threaded connection was passed through to the upper end of pull rod 30 has connecting block 31, be equipped with the line hole 32 of crossing that supplies wire rope 38 to pass on the connecting block 31, the diameter of connecting block 31 is greater than the diameter of pull rod 30, be connected with spring 33 between the diapire of connecting block 31 and installation cavity 23, spring 33 overlaps on pull rod 30, the lower extreme of pull rod 30 is equipped with the pull ring.

When no external force is applied, the spring 33 pushes the connecting block 31 to move upwards to abut against the top wall of the mounting cavity 23, as shown in fig. 9, the two swinging plates 25 are attached to the inner sides of the corresponding first limiting plates 26, and the steel wire rope 38 has no acting force on the two swinging plates 25. When an emergency occurs in the operation, the pull rod 30 is pulled downwards, as shown in fig. 10, the swing plate 25 is pulled by the pull rod 30 through the steel wire 38 to rotate downwards to be attached to the top of the second limiting plate 28, so that the two second guide rods 9 rapidly rotate to the horizontal state, the elastic sheet 17 pushes the connecting plate 7 to rapidly rotate outwards, and the connecting plate 7 drives the mounting frame 5 to rotate outwards and enables the clamping mechanism to rapidly release the head of the patient.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The ophthalmologic operation table comprises a base, wherein a telescopic column is fixedly arranged at the top of the base, a table body is fixedly arranged at the upper end of the telescopic column, a headrest is arranged at the top of the front end of the table body, mounting frames are respectively arranged on the left side and the right side of the table body in a front-back sliding mode, and a clamping mechanism is arranged on the mounting frames; the method is characterized in that:

the headrest comprises a pillow seat fixedly arranged on the table body, the top of the pillow seat is provided with a containing groove, a pillow is movably arranged in the containing groove up and down, the bottom of the pillow is fixedly arranged on a bottom plate, and an electric cylinder for driving the pillow to ascend or descend is arranged between the bottom plate and the containing groove;

fixture is including installing driving motor on the mounting bracket, driving motor's the vertical extension of axis of rotation, fixed mounting has the layer board in driving motor's the axis of rotation, the electric putter that the level set up is installed at the top of layer board, electric putter's output fixed mounting has splint.

2. An ophthalmic surgical table according to claim 1, wherein: the mounting frame comprises a vertical part and an inward bent horizontal part positioned at the upper end of the vertical part, and the driving motor is mounted on the horizontal part; two cylindrical first guide rods are oppositely and fixedly arranged on the left side and the right side of the bottom of the table body, the first guide rods extend forwards and backwards, a connecting plate is fixedly arranged on the inner side of the vertical portion, and first round holes matched with the first guide rods are formed in the connecting plate.

3. An ophthalmic surgical table according to claim 2, wherein: two flat second guide rods are movably mounted at the bottom of the table body, the second guide rods extend forwards and backwards and are positioned above the corresponding first guide rods, arc-shaped surfaces are respectively arranged on two sides of each second guide rod along the height direction, second round holes matched with the second guide rods are further formed in the connecting plate, and the arc-shaped surfaces are attached to the inner walls of the second round holes;

an arc-shaped groove is formed in the connecting plate and located on the inner side of the second round hole, the circle center of the arc-shaped groove is overlapped with the axis of the first round hole, one end of the arc-shaped groove is communicated with the second round hole, the width of the arc-shaped groove is smaller than the diameter of the second round hole, and when the second guide rod rotates to be in a horizontal state, the projection of the second guide rod along the front-back direction completely falls into the rotating track of the arc-shaped groove around the first guide rod;

it is corresponding first guide bar with slidable mounting has same mount pad around still on the second guide bar, be equipped with on the mount pad respectively with first guide bar with second guide bar assorted first mounting hole and second mounting hole, the outside of mount pad is equipped with and is corresponding connecting plate assorted mounting groove, first mounting hole with the second mounting hole all passes the mounting groove, the inner wall of mounting groove with be equipped with between the connecting plate and be used for promoting the connecting plate outwards rotates the shell fragment.

4. An ophthalmic surgical table according to claim 3, wherein: two supporting seats are oppositely and fixedly arranged at the front and the back of the bottom of the table body, and the first guide rod is fixedly arranged between the two supporting seats; the two ends of the second guide rod are respectively provided with a connecting shaft, the axis of the connecting shaft is superposed with the axis of the corresponding arc-shaped surface, and the second guide rod is rotatably arranged between the two supporting seats through the connecting shaft.

5. An ophthalmic surgical table according to claim 4, wherein: the bottom of the table body is provided with an adjusting mechanism used for driving the mounting seat to move back and forth, the adjusting mechanism comprises two lead screws which are oppositely arranged left and right, the lead screws extend back and forth, the lead screws are rotatably mounted between the two supporting seats, nuts matched with the lead screws are fixedly mounted on the mounting seat, the nuts are screwed on the corresponding lead screws, and an adjusting motor used for driving the lead screws to rotate is mounted on the supporting seats positioned at the rear ends.

6. An ophthalmic surgical table according to claim 4, wherein: be located the front end be equipped with the installation cavity in the supporting seat, it is corresponding the one end of connecting axle extends to in the installation cavity, fixed mounting has to be located on the connecting axle fixed cover of installation cavity, one side fixed mounting of fixed cover has the swinging plate, fixed mounting has to be located on the inner wall of installation cavity the first limiting plate of the top of connecting axle, work as the laminating of swinging plate is in during the inboard of first limiting plate, the second guide bar rotates to vertical state, fixed cover with be connected with the messenger between the inner wall of installation cavity the laminating of swinging plate is in the torsional spring of the inboard of first limiting plate.

7. An ophthalmic surgical table according to claim 6, wherein: still fixed mounting has to be located on the inner wall of installation cavity the inboard second limiting plate of connecting axle, works as the swing board laminating is in during the top of second limiting plate, the second guide bar rotates to the horizontality.

8. An ophthalmic surgical table according to claim 6, wherein: be equipped with on the diapire of installation cavity and pierce through downwards the guiding hole of supporting seat, the guiding hole is located two between the connecting axle, movable mounting has the pull rod about in the guiding hole, two fixedly connected with wire rope between the swing board, the upper end fixed mounting of pull rod has the connecting block, be equipped with the confession on the connecting block wire rope passes the line hole, the connecting block with be connected with the spring between the diapire of installation cavity.