CN113143360A

CN113143360A - Auxiliary eyelid expanding device for ophthalmology clinic

Info

Publication number: CN113143360A
Application number: CN202110604640.3A
Authority: CN
Inventors: 李丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-07-23

Abstract

The invention discloses an eyelid auxiliary expanding device for ophthalmological clinical use, which comprises a shell, wherein a support plate is welded on the outer wall of the back of the shell, the top of the support plate is rotatably connected with a first telescopic rod, the top end of the first telescopic rod is fixedly connected with a second telescopic rod, one end of the second telescopic rod, which is far away from the first telescopic rod, is welded with a box body, the box body is movably connected with a plurality of expanding mechanisms, a push rod motor is installed on the inner wall of the bottom of the shell, and a connecting plate is installed at the output end of the push rod motor. The device can realize the fixation of the head of the patient and the adjustment of the expansion mechanism by single drive in the treatment process of the patient through the combination of various structures, thereby reducing the adjustment burden of workers and the adjustment accuracy, and the device can carry out height adjustment according to the use requirement of the patient, improving the application range of the equipment, and carrying out angle adjustment on the expansion mechanism, thereby facilitating the use of the equipment by the patient.

Description

Auxiliary eyelid expanding device for ophthalmology clinic

Technical Field

The invention relates to the technical field of medical instruments, in particular to an eyelid auxiliary expanding device for ophthalmology clinic.

Background

The eyelids are located in front of the eyeballs, are divided into upper and lower eyelids, cracks among the eyelids are called palpebral fissure, the eyelids are composed of skin, connective tissue, muscle, gland and conjunctiva and are important structures for protecting the eyeballs, the free edges of the eyelids are called palpebral margin and are the junction of skin and mucosa, and 2-3 rows of eyelashes are arranged and have openings of the glands.

The prior Chinese patent with the patent number of CN211022847U discloses an eyelid expanding device for ophthalmology clinic, which comprises a bottom plate, wherein a fixing mechanism is connected to the bottom plate, the fixing mechanism comprises two symmetrical clamping plates fixedly connected to the lower end of the bottom plate, fixing bolts are in threaded connection with the side walls of the two clamping plates, a placing plate is fixedly connected to the upper end of the bottom plate, the limiting mechanisms are located on the placing plate, and two symmetrical limiting mechanisms are arranged on the side walls of the fixing mechanism.

At present, although the traditional eyelid expanding device can fix the head of a patient and adjust the position of the expanding mechanism, the traditional eyelid expanding device needs to be manually adjusted, so that the working efficiency is low and the accuracy is poor. Therefore, how to handle the eyelid expanding device becomes an urgent problem to be solved.

Disclosure of Invention

Objects of the invention

In order to solve the technical problems in the background art, the invention provides an eyelid auxiliary expanding device for ophthalmologic clinical use, which can realize the fixation of the head of a patient and the adjustment of an expanding mechanism by single drive in the treatment process of the patient through the combination of various structures, reduce the adjustment burden of workers and the adjustment accuracy, can perform height adjustment according to the use requirements of the patient, improve the application range of equipment, and perform angle adjustment on the expanding mechanism, thereby facilitating the use of the equipment by the patient.

(II) technical scheme

The invention provides an eyelid auxiliary expanding device for ophthalmological clinical use, which comprises a shell, wherein a support plate is welded on the outer wall of the back of the shell, a first telescopic rod is rotatably connected to the top of the support plate, a second telescopic rod is fixedly connected to the top end of the first telescopic rod, a box body is welded at one end, away from the first telescopic rod, of the second telescopic rod, a plurality of expanding mechanisms are movably connected to the box body, a push rod motor is installed on the inner wall of the bottom of the shell, a connecting plate is installed at the output end of the push rod motor, a plurality of transmission shafts located in the shell are rotatably connected to the upper portion of the connecting plate, driven gears are connected to the transmission shafts through bolts, a second rack is arranged on the back of each driven gear, the bottom ends of the second racks are welded to the connecting plate, and a push rod is movably connected to each transmission shaft.

Preferably, fixedly connected with fixed disk on the first telescopic link, and it has the gag lever post to peg graft on the fixed disk, the spring has been cup jointed on the gag lever post, and the bottom of spring welds on the top outer wall of fixed disk, the below of fixed disk has been seted up and has been located arc wall on the extension board, and has seted up a plurality of spacing holes on the bottom inner wall of arc wall, the bottom sliding connection of gag lever post is in the arc wall, and swing joint between gag lever post and the spacing hole.

Preferably, sliding grooves are formed in the shell walls on the two sides of the shell, sliding blocks are connected to the inner portions of the sliding grooves in a sliding mode, one sides, far away from the sliding grooves, of the sliding blocks are welded to the second racks, and the second racks are in meshing transmission with the driven gear.

Preferably, every the activity groove has all been seted up on the transmission shaft, the inside sliding connection in activity groove has a piece, and the top welding of a piece has a push rod, every the push rod is kept away from the lateral wall that a piece all passed the casing to install splint.

Preferably, the inside of box rotates and is connected with the gear, there is the pivot through bolted connection on the gear, and the top of pivot passes the top conch wall of box to install the handle, a plurality of locating holes that are located on the conch wall of box top have been seted up along the circumferencial direction in the below of handle, swing joint has the inserted bar on the handle, and the bottom of inserted bar pegs graft in the locating hole.

Preferably, the front and the back of the gear are both provided with a first rack, the first rack and the gear are in meshing transmission, each first rack is connected to the inside of the box body in a sliding mode, the back of the gear is welded with a first supporting rod at the left end of the first rack, a second supporting rod is welded at the right end of the first rack, the bottom of the first supporting rod and the bottom of the second supporting rod penetrate through the wall of the bottom of the box body, and the expansion mechanism is installed.

Preferably, the expansion mechanism comprises a frame body, expansion plates, a screw rod, movable plates and support rods, the frame body is mounted on the bottom shell wall of the first support rod and the bottom shell wall of the second support rod, each expansion plate is connected inside the frame body in a sliding mode, the screw rods are connected to the shell walls on the two sides of the frame body in a threaded mode, one end, penetrating through the side wall of the frame body, of each screw rod is rotatably connected with the movable plate, the support rod is hinged to one side, close to the expansion plates, of each movable plate, and one end, far away from the movable plates, of each support rod is hinged to the corresponding expansion plate.

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

1, make this device can realize the fixed of patient's head and the adjustment of extension mechanism with single drive to the in-process that the patient was being treated through the combination of structures such as installation casing, extension board, box, gear, first rack, extension mechanism, framework, expansion board, lead screw, fly leaf, vaulting pole, push rod motor, connecting plate, second rack, driven gear, transmission shaft, push rod and splint, alleviate staff's adjustment burden and the accuracy nature of adjustment.

2, make this device can carry out the altitude mixture control according to patient's user demand through the combination of the first telescopic link of installation, second telescopic link, fixed disk and gag lever post isotructure, improve equipment's application scope, this device can carry out angle modulation to extension mechanism, and then makes things convenient for the patient to the use of equipment.

Drawings

Fig. 1 is a schematic structural view of an eyelid auxiliary expanding device for ophthalmologic clinical use according to the present invention.

Fig. 2 is a schematic back front view of the eyelid auxiliary expanding device for ophthalmology clinic according to the present invention.

Fig. 3 is a front cross-sectional structural schematic view of a housing of an eyelid auxiliary expanding device for ophthalmological clinical use according to the present invention.

Fig. 4 is a schematic top view of the gear and the first rack of the eyelid auxiliary expanding device for ophthalmology clinical use according to the present invention.

Fig. 5 is a schematic structural diagram of an expanding mechanism of an eyelid auxiliary expanding device for ophthalmologic clinical use according to the present invention.

Fig. 6 is an enlarged schematic view of a part of the structure at a position a of the eyelid auxiliary expanding device for ophthalmology clinical use provided by the invention.

Reference numerals: 1. a housing; 2. a support plate; 3. a first telescopic rod; 4. a second telescopic rod; 5. a box body; 6. a gear; 7. a first rack; 8. an expansion mechanism; 81. a frame body; 82. an expansion board; 83. a screw rod; 84. a movable plate; 85. a stay bar; 9. a push rod motor; 10. a connecting plate; 11. a second rack; 12. a driven gear; 13. a drive shaft; 14. a push rod; 15. a splint; 16. fixing the disc; 17. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

As shown in fig. 1-6, the eyelid auxiliary expanding device for ophthalmology clinic proposed by the invention comprises a shell 1, a support plate 2 welded on the outer wall of the back of the shell 1, a first telescopic rod 3 is rotatably connected at the top of the support plate 2, a second telescopic rod 4 is fixedly connected at the top end of the first telescopic rod 3, a box body 5 is welded at one end of the second telescopic rod 4 far away from the first telescopic rod 3, a plurality of expansion mechanisms 8 are movably connected on the box body 5, a push rod motor 9 is installed on the inner wall of the bottom of the shell body 1, and the output end of the push rod motor 9 is provided with a connecting plate 10, a plurality of transmission shafts 13 positioned in the shell 1 are rotatably connected above the connecting plate 10, and the transmission shaft 13 is connected with driven gears 12 through bolts, the back of each driven gear 12 is provided with a second rack 11, the bottom end of the second rack 11 is welded on the connecting plate 10, and a push rod 14 is movably connected on each transmission shaft 13.

In an optional embodiment, a fixed disk 16 is fixedly connected to the first telescopic rod 3, a limiting rod 17 is inserted into the fixed disk 16, a spring is sleeved on the limiting rod 17, the bottom end of the spring is welded to the outer wall of the top of the fixed disk 16, an arc-shaped groove located on the supporting plate 2 is formed in the lower portion of the fixed disk 16, a plurality of limiting holes are formed in the inner wall of the bottom of the arc-shaped groove, the bottom end of the limiting rod 17 is slidably connected to the arc-shaped groove, and the limiting rod 17 is movably connected with the limiting holes.

It should be noted that the angle adjustment of the first telescopic rod 3 is realized through the combination of the fixed disk 16, the limiting rod 17, the spring, the arc-shaped groove and the limiting hole, so that the angle adjustment of the extension mechanism 8 is realized, and the use of the device by a patient is facilitated.

In an alternative embodiment, sliding grooves are formed in two side shell walls of the shell 1, sliding blocks are connected inside the sliding grooves in a sliding mode, one side, far away from the sliding grooves, of each sliding block is welded to the second rack 11, and the second rack 11 and the driven gear 12 are in meshing transmission.

In an optional embodiment, each transmission shaft 13 is provided with a movable groove, a support block is slidably connected inside the movable groove, push rods 14 are welded to the tops of the support blocks, and one end of each push rod 14, which is far away from the support block, penetrates through the side wall of the housing 1 and is provided with a clamping plate 15.

It should be noted that the device realizes the rapid clamping of the head of the patient through the driving device by the combination of the push rod motor 9, the connecting plate 10, the second rack 11, the driven gear 12, the transmission shaft 13, the push rod 14 and the splint 15.

In an alternative embodiment, a gear 6 is rotatably connected inside the box 5, a rotating shaft is connected to the gear 6 through a bolt, the top end of the rotating shaft penetrates through the top shell wall of the box 5, a handle is installed, a plurality of positioning holes are formed in the top shell wall of the box 5 along the circumferential direction below the handle, an inserting rod is movably connected to the handle, and the bottom end of the inserting rod is inserted into the positioning holes.

In an alternative embodiment, the front surface and the back surface of the gear 6 are provided with first racks 7, the first racks 7 and the gear 6 are in meshing transmission, each first rack 7 is slidably connected inside the box 5, a first support rod is welded at the left end of the first rack 7 at the back surface, a second support rod is welded at the right end of the first rack 7 at the front surface, and the bottom ends of the first support rod and the second support rod penetrate through the bottom shell wall of the box 5 and are provided with the expansion mechanism 8.

It should be noted that, by the combination of the gear 6 and the first rack 7, the fine adjustment of the expanding mechanism 8 is further achieved.

In an alternative embodiment, the expanding mechanism 8 includes a frame 81, expanding plates 82, a screw 83, a movable plate 84 and a stay 85, the frame 81 is mounted on the bottom walls of the first and second supporting rods, a plurality of expanding plates 82 are slidably connected inside each frame 81, the screw 83 is screwed on the walls on both sides of each frame 81, one end of the screw 83 penetrating through the side wall of the frame 81 is rotatably connected with the movable plate 84, one side of each movable plate 84 close to the expanding plate 82 is hinged with the stay 85, and one end of the stay 85 far from the movable plate 84 is hinged on the expanding plate 82.

It should be noted that, the medical staff can conveniently extend the eyelid of the patient by using the extension mechanism 8, so that the working efficiency is improved, and the burden of the medical staff is reduced.

The working principle is as follows: when the device is used, the shell 1 is arranged on an operating table or a bed, a patient puts the head on the arc surface of the shell 1, the push rod motor 9 is started to drive the connecting plate 10 to move upwards, and further the transmission shaft 13 rotates through the meshing transmission between the second rack 11 and the driven gear 12, so that the push rod 14 drives the clamping plate 15 to move, the head of the patient is clamped and fixed, after the head of the patient is fixed, the push rod motor 9 is closed, the limiting rod 17 is pulled, the spring is compressed, the bottom end of the limiting rod 17 moves out of the limiting hole and enters the arc groove, the first telescopic rod 3 is rotated, the limiting rod 17 is loosened, along with the rotation of the first telescopic rod 3, when the limiting rod 17 meets another limiting hole, the limiting rod 17 is inserted into the limiting hole along with the action of the spring, so that the adjustment and positioning of the first telescopic rod 3 are realized, and when the expanding mechanism 8 needs to be aligned with the eyes of the patient, adjust first telescopic link 3 and second telescopic link 4, make extension mechanism 8 aim at patient's eye, when needs carry out the fine setting to extension mechanism 8, pull out the inserted bar, rotatory handle, make gear 6 rotate, through the meshing transmission between gear 6 and the first rack 7, and then make two extension mechanisms 8 finely tune, make it more accurate, after extension mechanism 8 fine setting, insert the inserted bar and realize spacing to gear 6 in the locating hole, when needs use extension mechanism 8, rotatory lead screw 83 makes fly leaf 84 remove, drive expansion plate 82 through vaulting pole 85 and realize the extension to patient's eyelid, make things convenient for medical personnel's use.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An eyelid auxiliary expanding device for clinical ophthalmology, which comprises a shell (1) and is characterized in that a support plate (2) is welded on the outer wall of the back of the shell (1), the top of the support plate (2) is rotatably connected with a first telescopic rod (3), the top end of the first telescopic rod (3) is fixedly connected with a second telescopic rod (4), one end of the second telescopic rod (4) far away from the first telescopic rod (3) is welded with a box body (5), the box body (5) is movably connected with a plurality of expanding mechanisms (8), a push rod motor (9) is installed on the inner wall of the bottom of the shell (1), a connecting plate (10) is installed at the output end of the push rod motor (9), a plurality of transmission shafts (13) positioned inside the shell (1) are rotatably connected above the connecting plate (10), and driven gears (12) are connected on the transmission shafts (13) through bolts, every the back of driven gear (12) all is equipped with second rack (11), and the bottom welding of second rack (11) is on connecting plate (10), every all swing joint has push rod (14) on transmission shaft (13).

2. The eyelid auxiliary expanding device for clinical ophthalmology of claim 1, wherein the first telescopic rod (3) is fixedly connected with a fixed plate (16), the fixed plate (16) is inserted with a limiting rod (17), the limiting rod (17) is sleeved with a spring, the bottom end of the spring is welded on the outer wall of the top of the fixed plate (16), an arc-shaped groove located on the support plate (2) is formed below the fixed plate (16), a plurality of limiting holes are formed in the inner wall of the bottom of the arc-shaped groove, the bottom end of the limiting rod (17) is slidably connected in the arc-shaped groove, and the limiting rod (17) is movably connected with the limiting holes.

3. The eyelid auxiliary expanding device for ophthalmology clinical use according to claim 1, wherein sliding grooves are formed in the two side shell walls of the shell (1), sliding blocks are slidably connected inside the sliding grooves, one side of each sliding block, which is far away from the corresponding sliding groove, is welded to the second rack (11), and the second rack (11) is in meshing transmission with the driven gear (12).

4. The eyelid auxiliary expanding device for ophthalmological clinical use according to claim 1, wherein each transmission shaft (13) is provided with a movable groove, a support block is slidably connected inside the movable groove, a push rod (14) is welded on the top of the support block, and one end of each push rod (14) far away from the support block passes through the side wall of the housing (1) and is provided with a clamping plate (15).

5. The eyelid auxiliary expanding device for ophthalmological clinical use according to claim 1, wherein a gear (6) is rotatably connected inside the casing (5), the gear (6) is connected with a rotating shaft through a bolt, the top end of the rotating shaft penetrates through the top wall of the casing (5), and a handle is installed, a plurality of positioning holes are formed in the top wall of the casing (5) below the handle along the circumferential direction, the handle is movably connected with an insertion rod, and the bottom end of the insertion rod is inserted into the positioning holes.

6. The eyelid auxiliary expanding device for ophthalmological clinical use according to claim 5, characterized in that the gear (6) is provided with a first rack (7) on both the front and back sides, and the first rack (7) and the gear (6) are in meshing transmission, each first rack (7) is slidably connected to the inside of the housing (5), a first rod is welded on the left end of the first rack (7) on the back side, a second rod is welded on the right end of the first rack (7) on the front side, and the bottom ends of the first and second rods penetrate through the bottom shell wall of the housing (5), and the expanding mechanism (8) is installed.

7. The eyelid auxiliary expanding device for ophthalmological clinical use according to claim 6, wherein the expanding mechanism (8) comprises a frame body (81), expanding plates (82), a lead screw (83), a movable plate (84) and a stay bar (85), the frame body (81) is installed on the bottom shell wall of the first and second support bars, a plurality of expanding plates (82) are slidably connected inside each frame body (81), the lead screw (83) is connected on the shell wall of each frame body (81) at both sides through a thread, the movable plate (84) is rotatably connected at one end of the lead screw (83) penetrating through the side wall of the frame body (81), the stay bar (85) is hinged at one side of each movable plate (84) close to the expanding plates (82), and one end of the stay bar (85) far away from the movable plate (84) is hinged on the expanding plates (82).