CN114081761A

CN114081761A - Ophthalmologic clinical headrest structure and using method thereof

Info

Publication number: CN114081761A
Application number: CN202111298695.2A
Authority: CN
Inventors: 朱媛媛; 李慧; 穆菡; 周茹
Original assignee: Henan Third People's Hosptial
Current assignee: Henan Third People's Hosptial
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-02-25

Abstract

The invention discloses a headrest structure for ophthalmology clinic and a use method thereof, and relates to the technical field of headrest for ophthalmology clinic. The invention relates to a headrest structure for ophthalmology clinic and a using method thereof, which are used for fixing the head of a patient, avoiding the problems of poor treatment effect and low efficiency, facilitating treatment, facilitating the fixing and clamping of an ophthalmic tool, avoiding the situation that the observation and medication are wrong due to the condition of hand trembling and providing convenience for the ophthalmology treatment, and are not required to be held by medical staff for operation.

Description

Ophthalmologic clinical headrest structure and using method thereof

Technical Field

The invention relates to the technical field of ophthalmology clinical back pillows, in particular to a structure of an ophthalmology clinical back pillow and a using method thereof.

Background

The eye (also called eye, eye) is an organ that can sense light. The simplest eye structure can detect the brightness of the surrounding environment, the more complicated eye structure can provide vision, but the eye is easy to suffer from eye diseases, the ophthalmology is called eye disease specialties, and the ophthalmology is a science for researching diseases related to the visual system including eyeballs and tissues related to the eyeballs. Common ophthalmic diseases are: dry eye, night blindness, amblyopia, astigmatism, cataract, diabetic retinopathy, conjunctivitis, presbyopia, central retinal artery occlusion, retinal detachment, myopia, hypermetropia, shot swelling, glaucoma, muscae volitantes and the like, so that the occurrence of eye diseases needs to be clinically treated by going to the ophthalmology, and a headrest structure is needed in the treatment.

In the existing market, when clinical treatment is carried out on patients with eye diseases, the headrest is required to be used for ensuring the patient to be in a right position, the ophthalmology of the patients is ensured to be treated, when the existing ophthalmology clinical headrest is used, most of the existing ophthalmology pillow is an original pillow, and the existing ophthalmology clinical headrest does not have some functions, so that great limitation is brought to the ophthalmology treatment.

The existing headrest structure for ophthalmology clinic does not have the effect of fixing the head of a patient, the head of the patient moves in the treatment process to cause unnecessary trouble in treatment, the effect and the efficiency of treatment are influenced, and a mechanism for moving and adjusting is not provided, so that the clamping of an ophthalmologic tool cannot be ensured, the appropriate position cannot be adjusted to carry out ophthalmologic treatment, and therefore, the headrest structure for ophthalmology clinic is necessary to be provided.

Disclosure of Invention

The invention mainly aims to provide a headrest structure for ophthalmology clinic and a using method thereof, which can effectively solve the problems that the background technology does not have the effect of fixing the head of a patient, the head of the patient moves in the treatment process to cause unnecessary trouble in the treatment, the treatment effect and efficiency are influenced, a movement adjusting mechanism is not provided, the clamping of an ophthalmic tool cannot be ensured, and the proper position cannot be adjusted for the ophthalmology treatment.

In order to achieve the purpose, the invention adopts the technical scheme that: a headrest structure for ophthalmology clinic comprises a supporting bed board and a headrest body arranged on the supporting bed board, wherein a fixed plate is arranged on one side of the top of the supporting bed board, a cross beam is arranged on one side of the fixed plate, a movable frame is movably arranged above the supporting bed board, a head fixing assembly is arranged on the top of the headrest body, a moving adjusting assembly is arranged inside the supporting bed board, and a clamping assembly is arranged at the bottom of the cross beam;

the headrest body is movably provided with a first lead screw through a bearing, the outer peripheral surface of the first lead screw is sleeved with the first moving block, the top of the first moving block is fixedly connected with the bottom of the head clamp, and one end of the first lead screw penetrates through the outer wall of the headrest body and is connected with the first hand wheel;

the movable adjusting assembly comprises a second lead screw, a threaded block, connecting rods, sliding blocks, threaded rods and a movable block, the second lead screw is transversely movably arranged in the support bed plate, the threaded block is sleeved on the outer peripheral surface of the second lead screw, the connecting rods are connected to two side walls of the threaded block, one end of each of the two connecting rods is fixedly connected with one side of each of the two sliding blocks, the threaded rods penetrate through the bottom of the cross beam in a movable mode, and the bottom of each threaded rod is fixedly connected with the top of the movable block;

the centre gripping subassembly includes branch, cover ring, third lead screw, second movable block, left semi-ring, right semi-ring and second hand wheel, one side of movable block and the one end fixed connection of branch, the one end outer peripheral face cover of branch is equipped with the cover ring, the inside crossing of cover ring is equipped with the third lead screw, the outer peripheral face symmetrical sleeve of third lead screw is equipped with two second movable blocks, and one side of two shrink second movable blocks is connected with left semi-ring and right semi-ring respectively, the outer wall connection that the cover ring was passed to the one end of third lead screw has the second hand wheel.

Preferably, a positioning block is arranged at the port of the right half ring, a positioning hole is formed in the port of the left half ring, the diameter of the cross section of the positioning block is smaller than that of the cross section of the positioning hole, and the positioning block and the positioning hole are located on the same horizontal plane.

Preferably, the both sides of crossbeam all are equipped with the mount pad, the light is installed to the bottom of mount pad.

Preferably, the number of the first moving blocks is two, the outer peripheral surface of the first lead screw is symmetrically provided with a positive thread and a negative thread at the center, and the two first moving blocks are in threaded connection with the first lead screw through the positive thread and the negative thread respectively.

Preferably, a first sliding groove is transversely formed in a recessed position of the top of the headrest body, and one end of the first moving block is movably arranged inside the first sliding groove and slides inside the first sliding groove.

Preferably, a cavity is formed in the supporting bed board, and the second screw rod is movably arranged in the cavity and located at the inner transverse central shaft of the cavity.

Preferably, the second sliding grooves are formed in the two sides of the supporting bed board, the sliding blocks are movably arranged in the second sliding grooves and slide in the second sliding grooves, and the second sliding grooves are communicated with the inside of the cavity.

Preferably, the top of crossbeam runs through and has seted up logical groove, the overlook cross section diameter of logical groove is greater than the overlook cross section diameter of threaded rod, the top of adjustable shelf runs through and has seted up the thread groove, threaded rod and adjustable shelf threaded connection.

Preferably, the two first moving blocks are symmetrically arranged on the head clamp and are respectively connected with the two first moving blocks, and the head clamp is made of a nitrile rubber material.

A use method of a headrest structure for ophthalmology clinical use comprises the following steps:

the method comprises the following steps: fixing the head:

firstly, a patient lies on a support bed board, then the head of the patient is placed on a concave position at the top of a back cushion body, a first hand wheel is screwed, the first hand wheel drives a first screw rod to rotate in the back cushion body through a bearing, two first moving blocks are driven to move oppositely on the first screw rod through threaded connection while the first hand wheel rotates, and two head clamps are driven to move towards the head of the patient and clamp the head of the patient;

step two: movement adjustment:

the second screw rod is screwed to rotate inside the cavity, the second screw rod rotates to drive the threaded block to move transversely on the second screw rod, the threaded block moves to drive the connecting rod to enable the movable frame to slide inside the second sliding groove through the sliding block, the movable frame is adjusted to a proper position, the movable frame drives the clamping assembly to move through the threaded rod, the movable block and the supporting rod while moving, and the threaded rod descends through a threaded groove formed in the top of the movable frame by screwing the threaded rod to drive the clamping assembly to descend;

step three: a clamping tool:

the tool and the ophthalmic liquid medicine which need to be subjected to ophthalmic observation are placed between the left half ring and the right half ring, then the second hand wheel is screwed, the second hand wheel drives the third lead screw to rotate in the cover ring, the two second moving blocks are driven to move oppositely on the third lead screw while rotating, the left half ring and the right half ring are driven to move oppositely to clamp, and the left half ring and the right half ring are enabled to clamp the tool through accurate positioning of the positioning holes and the positioning blocks.

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

1. according to the invention, the patient lies on the supporting bed board, then the head is placed on the concave part of the top of the back cushion body, the first hand wheel is screwed, the first hand wheel drives the first lead screw to rotate in the back cushion body through the bearing, the two first moving blocks are driven to move oppositely on the first lead screw through threaded connection while rotating, and the two head clamps are driven to move and clamp the head of the patient, so that the head of the patient is fixed through the head clamps when the patient is in eye treatment, the head of the patient is prevented from moving in the treatment process, and the problems of poor treatment effect and low efficiency are avoided.

2. According to the invention, the second screw rod is rotated in the cavity by screwing the second screw rod, the second screw rod is rotated to drive the threaded block to transversely move on the second screw rod, the movement of the threaded block drives the connecting rod to enable the movable frame to slide in the second chute through the sliding block, so that the movable frame is adjusted to a proper position, the movable frame drives the clamping assembly to move through the threaded rod, the movable block and the supporting rod while moving, and by screwing the threaded rod, the threaded rod descends through the threaded groove formed in the top of the movable frame to drive the clamping assembly to descend, so that the movable frame is adjusted to a proper position to drive the clamping assembly to be positioned at the proper position for treatment operation, and the movable frame is ensured to be positioned at the proper position, and treatment is convenient to carry out.

3. According to the invention, a tool needing ophthalmologic observation and ophthalmologic liquid medicine are placed between the left half ring and the right half ring, then the second hand wheel is screwed, the second hand wheel drives the third screw rod to rotate in the cover ring, the two second moving blocks are driven to move oppositely on the third screw rod while rotating, the left half ring and the right half ring are driven to move oppositely to clamp the tool, the left half ring and the right half ring clamp the tool through the accurate positioning of the positioning hole and the positioning block, the ophthalmologic tool is convenient to fix and clamp, the operation is not required to be carried out by medical staff, the phenomenon that the observation and the medicine application are wrong due to the condition of shaking hands is avoided, and convenience is provided for ophthalmologic treatment.

Drawings

Fig. 1 is a schematic perspective view of a headrest structure for ophthalmology clinical use according to the present invention;

FIG. 2 is a schematic perspective view of a headrest body of the headrest structure for ophthalmology clinic according to the present invention;

FIG. 3 is a front view of an inner cross-sectional structure of a headrest body of the headrest structure for ophthalmology clinic;

FIG. 4 is a schematic view of a connecting structure of a movable frame and a supporting bed plate of the ophthalmologic clinical headrest structure of the present invention;

FIG. 5 is a schematic view of a partial perspective structure of an ophthalmic clinical headrest structure according to the present invention;

FIG. 6 is an enlarged schematic view of the portion A of the structure of the headrest for ophthalmology department of the present invention;

FIG. 7 is an enlarged schematic view of the portion B of the structure of the headrest for ophthalmology department of the present invention;

fig. 8 is a schematic view of a connection structure of a clamping assembly of the ophthalmologic clinical headrest structure of the invention.

In the figure: 1. supporting the bed plate; 2. a headrest body; 3. a fixing plate; 4. a cross beam; 5. a movable frame; 6. a first lead screw; 7. a first moving block; 8. a head clamp; 9. a first hand wheel; 10. a second lead screw; 11. a thread block; 12. a connecting rod; 13. a slider; 14. a threaded rod; 15. a movable block; 16. a strut; 17. a cover ring; 18. a third screw rod; 19. a second moving block; 20. a left half ring; 21. a right half ring; 22. positioning blocks; 23. positioning holes; 24. a second hand wheel; 25. a mounting seat; 26. an illuminating lamp; 27. a first chute; 28. a cavity; 29. a second chute; 30. a through groove.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 8, the present invention is a headrest structure for ophthalmology clinic, including a supporting bed plate 1 and a headrest body 2 disposed on the supporting bed plate 1, a fixing plate 3 is disposed on one side of the top of the supporting bed plate 1, a beam 4 is disposed on one side of the fixing plate 3, a movable frame 5 is movably disposed above the supporting bed plate 1, a head fixing assembly is disposed on the top of the headrest body 2, a movement adjusting assembly is disposed inside the supporting bed plate 1, and a clamping assembly is disposed at the bottom of the beam 4;

the head fixing assembly comprises a first lead screw 6, a first moving block 7, a head clamp 8 and a first hand wheel 9, the first lead screw 6 is movably arranged in the headrest body 2 through a bearing, the first moving block 7 is sleeved on the outer peripheral surface of the first lead screw 6, the top of the first moving block 7 is fixedly connected with the bottom of the head clamp 8, and one end of the first lead screw 6 penetrates through the outer wall of the headrest body 2 and is connected with the first hand wheel 9;

the movable adjusting assembly comprises a second screw rod 10, a threaded block 11, connecting rods 12, sliding blocks 13, threaded rods 14 and movable blocks 15, the second screw rod 10 is transversely movably arranged in the support bed plate 1, the threaded block 11 is sleeved on the outer peripheral surface of the second screw rod 10, the connecting rods 12 are connected to two side walls of the threaded block 11, one ends of the two connecting rods 12 are fixedly connected with one sides of the two sliding blocks 13, the threaded rods 14 penetrate through the bottom of the cross beam 4 movably, and the bottom of the threaded rods 14 is fixedly connected with the tops of the movable blocks 15;

the clamping assembly comprises a supporting rod 16, a cover ring 17, a third lead screw 18, a second moving block 19, a left half ring 20, a right half ring 21 and a second hand wheel 24, one side of the moving block 15 is fixedly connected with one end of the supporting rod 16, the cover ring 17 is sleeved on the outer peripheral face of one end of the supporting rod 16, the third lead screw 18 is arranged in the cover ring 17 in a transverse mode, the two second moving blocks 19 are symmetrically sleeved on the outer peripheral face of the third lead screw 18, the left half ring 20 and the right half ring 21 are connected to one side of the two shrinking second moving blocks 19 respectively, and the second hand wheel 24 is connected to one end of the third lead screw 18 through the outer wall of the cover ring 17.

A positioning block 22 is arranged at the port of the right half ring 21, a positioning hole 23 is formed at the port of the left half ring 20, the diameter of the cross section of the positioning block 22 is smaller than that of the cross section of the positioning hole 23, and the positioning block 22 and the positioning hole 23 are located on the same horizontal plane.

The both sides of crossbeam 4 all are equipped with mount pad 25, and light 26 is installed to the bottom of mount pad 25, improves the light illumination for the treatment in-process, the ophthalmic treatment of being convenient for.

The number of the first moving blocks 7 is two, the outer peripheral surface of the first lead screw 6 is symmetrically provided with a positive thread and a negative thread at the center, and the two first moving blocks 7 are in threaded connection with the first lead screw 6 through the positive thread and the negative thread respectively.

First spout 27 has transversely been seted up to the top depressed part of back cushion body 2, and the activity of one end of first movable block 7 sets up in the inside of first spout 27, and slides in the inside of first spout 27, makes things convenient for headclamp 8 to fix the ophthalmic quality of being convenient for to patient's head.

The cavity 28 has been seted up to the inside of supporting bed board 1, and the activity of second lead screw 10 sets up in the inside of cavity 28, and is located the inside horizontal center pin department of cavity 28, through rotating second lead screw 10, is convenient for rotate through second lead screw 10 and drives the lateral shifting on second lead screw 10 of thread block 11, and the removal of thread block 11 drives connecting rod 12 and makes adjustable shelf 5 slide in the inside of second spout 29 through slider 13, is convenient for to the regulation of adjustable shelf 5.

Support bed board 1's both sides and all seted up second spout 29, the slider 13 activity sets up in the inside of second spout 29, and slides in the inside of second spout 29, and second spout 29 is linked together with the inside of cavity 28, adjusts adjustable shelf 5 to suitable position, drives the centre gripping subassembly and is located suitable position and carries out treatment operation, guarantees that adjustable shelf 5 can be in suitable position, the going on of the treatment of being convenient for.

The top of crossbeam 4 runs through and has seted up logical groove 30, and the overlook cross section diameter that leads to groove 30 is greater than threaded rod 14 overlooks cross section diameter, and the top of adjustable shelf 5 runs through and has seted up the thread groove, threaded

rod

14 and 5 threaded connection of adjustable shelf, are convenient for adjust the centre gripping subassembly and descend to suitable position, make things convenient for medical personnel to patient's treatment.

The head clamp 8 is symmetrically provided with two moving blocks 7 which are connected with the two first moving blocks respectively, the head clamp 8 is made of a nitrile rubber material, and when the head clamp 8 made of the nitrile rubber material is used for fixing the head of a patient, damage to the head during fixing can be avoided.

the method comprises the following steps: fixing the head:

firstly, a patient lies on a support bed plate 1, then the head of the patient is placed on a concave position of the top of a back cushion body 2, a first hand wheel 9 is screwed, the first hand wheel 9 drives a first screw rod 6 to rotate in the back cushion body 2 through a bearing, two first moving blocks 7 are driven to move oppositely on the first screw rod 6 through threaded connection while the first hand wheel 9 rotates, and two head clamps 8 are driven to move towards the head of the patient and clamp the head of the patient;

step two: movement adjustment:

the second screw rod 10 is screwed, so that the second screw rod 10 rotates in the cavity 28, the second screw rod 10 rotates to drive the threaded block 11 to move transversely on the second screw rod 10, the movement of the threaded block 11 drives the connecting rod 12 to enable the movable frame 5 to slide in the second sliding groove 29 through the sliding block 13, so that the movable frame 5 is adjusted to a proper position, the movable frame 5 drives the clamping component to move through the threaded rod 14, the movable block 15 and the supporting rod 16 while moving, and the threaded rod 14 descends through a threaded groove formed in the top of the movable frame 5 by screwing the threaded rod 14 to drive the clamping component to descend;

step three: a clamping tool:

the tool and the ophthalmic liquid medicine which need to be observed in ophthalmology are placed between the left half ring 20 and the right half ring 21, then the second hand wheel 24 is screwed, the second hand wheel 24 drives the third screw rod 18 to rotate inside the cover ring 17, the two second moving blocks 19 are driven to move oppositely on the third screw rod 18 while rotating, the left half ring 20 and the right half ring 21 are driven to move oppositely and clamp, and the tool is clamped by the left half ring 20 and the right half ring 21 through the accurate positioning of the positioning hole 23 and the positioning block 22.

The working principle of the invention is as follows: when in use, firstly, a patient lies on the supporting bed board 1, then the head of the patient is placed on the concave part of the top of the back pillow body 2, the first hand wheel 9 is screwed, the first lead screw 6 is driven by the first hand wheel 9 to rotate in the back pillow body 2 through a bearing, the two first moving blocks 7 are driven to move oppositely on the first lead screw 6 through threaded connection while rotating, the two head clamps 8 are driven to move and clamp the head of the patient, then the second lead screw 10 is driven to rotate in the cavity 28 through screwing the second lead screw 10, the second lead screw 10 rotates to drive the threaded block 11 to transversely move on the second lead screw 10, the movement of the threaded block 11 drives the connecting rod 12 to enable the movable frame 5 to slide in the second sliding chute 29 through the sliding block 13, so that the movable frame 5 is adjusted to a proper position, the movable frame 5 drives the clamping component to move through the threaded rod 14, the movable block 15 and the supporting rod 16 while moving, by screwing the threaded rod 14, the threaded rod 14 descends through a threaded groove formed in the top of the movable frame 5 to drive the clamping component to descend, then a tool and an ophthalmic liquid medicine to be observed in ophthalmology are placed between the left half ring 20 and the right half ring 21, then the second hand wheel 24 is screwed, the second hand wheel 24 drives the third screw rod 18 to rotate in the cover ring 17, the two second moving blocks 19 are driven to move oppositely on the third screw rod 18 while rotating, the left half ring 20 and the right half ring 21 are driven to move oppositely to clamp, the tool is clamped by the left half ring 20 and the right half ring 21 through the accurate positioning of the positioning hole 23 and the positioning block 22, the ophthalmic tool is fixed and clamped conveniently, the operation is not required to be held by medical personnel, the phenomenon that observation and medication errors occur due to the shaking of hands is avoided, the head of a patient is fixed by the head clamp 8 during eye treatment, prevent that the patient from removing at treatment in-process head, avoid causing the problem that treatment is poor and inefficiency, adjust adjustable shelf 5 to suitable position, drive the centre gripping subassembly and be located suitable position and treat the operation, guarantee that adjustable shelf 5 can be in suitable position, the going on of the treatment of being convenient for provides convenience for ophthalmic therapy.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. 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 utility model provides an ophthalmology is clinical uses back cushion structure which characterized in that: the multifunctional pillow comprises a supporting bed board (1) and a back cushion body (2) arranged on the supporting bed board (1), wherein a fixed plate (3) is arranged on one side of the top of the supporting bed board (1), a cross beam (4) is arranged on one side of the fixed plate (3), a movable frame (5) is movably arranged above the supporting bed board (1), a head fixing assembly is arranged on the top of the back cushion body (2), a moving and adjusting assembly is arranged inside the supporting bed board (1), and a clamping assembly is arranged at the bottom of the cross beam (4);

the head fixing assembly comprises a first lead screw (6), a first moving block (7), a head clamp (8) and a first hand wheel (9), the first lead screw (6) is movably arranged in the headrest body (2) through a bearing, the first moving block (7) is sleeved on the outer peripheral surface of the first lead screw (6), the top of the first moving block (7) is fixedly connected with the bottom of the head clamp (8), and one end of the first lead screw (6) penetrates through the outer wall of the headrest body (2) to be connected with the first hand wheel (9);

the movable adjusting assembly comprises a second screw rod (10), a threaded block (11), connecting rods (12), sliding blocks (13), threaded rods (14) and movable blocks (15), the second screw rod (10) is transversely movably arranged in the support bed plate (1), the threaded block (11) is sleeved on the outer peripheral surface of the second screw rod (10), the connecting rods (12) are connected to two side walls of the threaded block (11), one end of each of the two connecting rods (12) is fixedly connected with one side of each of the two sliding blocks (13), the threaded rods (14) are movably arranged at the bottom of the cross beam (4) in a penetrating mode, and the bottom of each threaded rod (14) is fixedly connected with the top of each movable block (15);

the clamping assembly comprises a supporting rod (16), a cover ring (17), a third lead screw (18), a second moving block (19), a left half ring (20), a right half ring (21) and a second hand wheel (24), one side of the moving block (15) is fixedly connected with one end of the supporting rod (16), the cover ring (17) is sleeved on the outer peripheral face of one end of the supporting rod (16), the third lead screw (18) is transversely arranged in the cover ring (17), the two second moving blocks (19) are symmetrically sleeved on the outer peripheral face of the third lead screw (18), one sides of the two shrinking second moving blocks (19) are respectively connected with the left half ring (20) and the right half ring (21), and the outer wall of one end of the third lead screw (18) penetrating through the cover ring (17) is connected with the second hand wheel (24).

2. The ophthalmic clinical headrest structure according to claim 1, wherein: the port department of right half ring (21) is equipped with locating piece (22), locating hole (23) have been seted up to the port department of left side half ring (20), the cross section diameter of locating piece (22) is less than the cross section diameter of locating hole (23), locating piece (22) and locating hole (23) are located same horizontal plane.

3. The ophthalmic clinical headrest structure according to claim 1, wherein: the two sides of the cross beam (4) are provided with mounting seats (25), and illuminating lamps (26) are mounted at the bottoms of the mounting seats (25).

4. The ophthalmic clinical headrest structure according to claim 1, wherein: the number of the first moving blocks (7) is two, the outer peripheral surface of the first screw rod (6) is symmetrically provided with a positive thread and a negative thread at the center, and the two first moving blocks (7) are in threaded connection with the first screw rod (6) through the positive thread and the negative thread respectively.

5. The ophthalmic clinical headrest structure according to claim 4, wherein: a first sliding groove (27) is transversely formed in a concave position of the top of the back cushion body (2), and one end of the first moving block (7) is movably arranged inside the first sliding groove (27) and slides inside the first sliding groove (27).

6. The ophthalmic clinical headrest structure according to claim 1, wherein: a cavity (28) is formed in the supporting bed plate (1), and the second screw rod (10) is movably arranged in the cavity (28) and is located at the inner transverse central shaft of the cavity (28).

7. The ophthalmic clinical headrest structure according to claim 1, wherein: second sliding grooves (29) are formed in the two sides of the supporting bed plate (1), the sliding blocks (13) are movably arranged in the second sliding grooves (29) and slide in the second sliding grooves (29), and the second sliding grooves (29) are communicated with the inside of the cavity (28).

8. The ophthalmic clinical headrest structure according to claim 1, wherein: the top of crossbeam (4) is run through and is seted up logical groove (30), the overlook cross section diameter that leads to groove (30) is greater than threaded rod (14) overlook cross section diameter, the top of adjustable shelf (5) is run through and is seted up the thread groove, threaded rod (14) and adjustable shelf (5) threaded connection.

9. The ophthalmic clinical headrest structure according to claim 1, wherein: the head clamp (8) is symmetrically provided with two moving blocks (7) which are respectively connected with the two moving blocks, and the head clamp (8) is made of a nitrile rubber material.

10. The use method of an ophthalmologic clinical headrest structure according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:

the method comprises the following steps: fixing the head:

firstly, a patient lies on a supporting bed board (1), then the head of the patient is placed on a concave position at the top of a back cushion body (2), a first hand wheel (9) is screwed, the first hand wheel (9) drives a first screw rod (6) to rotate in the back cushion body (2) through a bearing, two first moving blocks (7) are driven to move oppositely on the first screw rod (6) through threaded connection during rotation, and two head clamps (8) are driven to move towards the head of the patient and clamp the head of the patient;

step two: movement adjustment:

the second screw rod (10) is screwed to rotate in the cavity (28), the second screw rod (10) rotates to drive the threaded block (11) to transversely move on the second screw rod (10), the threaded block (11) moves to drive the connecting rod (12) to slide in the second sliding groove (29) through the sliding block (13), the movable frame (5) is adjusted to a proper position, the movable frame (5) drives the clamping assembly to move through the threaded rod (14), the movable block (15) and the supporting rod (16) while moving, and the threaded rod (14) descends through the threaded groove formed in the top of the movable frame (5) by screwing the threaded rod (14) to drive the clamping assembly to descend;

step three: a clamping tool:

the tool and the ophthalmic liquid medicine which need to be observed in ophthalmology are placed between the left half ring (20) and the right half ring (21), then the second hand wheel (24) is screwed, the second hand wheel (24) drives the third screw rod (18) to rotate in the cover ring (17), the two second moving blocks (19) are driven to move oppositely on the third screw rod (18) while rotating, the left half ring (20) and the right half ring (21) are driven to move oppositely to be clamped, and the left half ring (20) and the right half ring (21) are clamped through accurate positioning of the positioning hole (23) and the positioning block (22).