CN211094352U

CN211094352U - Medical ophthalmology eye speculum

Info

Publication number: CN211094352U
Application number: CN201921611600.6U
Authority: CN
Inventors: 陈常军
Original assignee: Nanjing Sisheng Medical Equipment Co ltd
Current assignee: Nanjing Sisheng Medical Equipment Co ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-07-28
Anticipated expiration: 2029-09-26

Abstract

The utility model discloses a medical ophthalmology eyelid retractor, which comprises a slide rail, two telescopic arms, a threaded rod, two supporting arms and two eyelid opening devices, wherein the surface of the slide rail is provided with a strip-shaped chute, one end of each telescopic arm is movably connected with the chute on the surface of the slide rail, the surface of each telescopic arm is embedded with a threaded cylinder, the left half thread and the right half thread on the surface of the threaded rod have the same pitch and opposite directions, the threaded rod passes through the threaded cylinder on the surface of the telescopic arm, the supporting arms are respectively and movably connected with one end of the telescopic arms, the eyelid opening devices are connected with one end of the supporting arms, each telescopic arm comprises a slide rod, a first thread piece and a first supporting arm provided with a cavity, the slide rod is in sliding connection with a first supporting arm cavity, the eyelid opener can damage the eyelid of a patient in the prior art, the cornea of the patient is easy to dry by using the eyelid opener, a doctor can moist, just the utility model discloses a tension can be controlled, and the angle that the disease struts the eyelid can be controlled.

Description

Medical ophthalmology eye speculum

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a medical ophthalmology eyelid retractor.

Background

The eyelid retractor is mainly used for widening the visual field of operation of doctors, the doctors can better perform operation, the working principle of the eyelid retractor is similar to that of a necessary tool retractor in surgical operation, the product performance of the eyelid retractor is the retractor in ophthalmic operation, and the eyelid retractor plays a role in supporting eyelids in the ophthalmic operation, so the eyelid retractor is called as the eyelid retractor.

The eyelid retractor is a device frequently used in ophthalmic surgery, but the existing eyelid retractor has many disadvantages:

1. the traditional eyelid retractor can not well moisten the cornea, most of the traditional eyelid retractor adopts a non-contact full-view reticuloscope to perform operation in the vitrectomy, and the observation of the dry influence of the cornea is a big defect of the operation. The existing solution is that the assistant continuously performs corneal drip moistening, which wastes time and labor, influences the operation and brings great inconvenience to the ophthalmic operation;

2. the existing eyelid openers are mostly only suitable for people of the same age, adults are provided with the eyelid opener special for adults, children are provided with the eyelid opener special for children, and infants are provided with the eyelid opener special for infants, so that different patients are met, the eyelid openers suitable for the patients need to be integrally replaced, and doctors may have the problem of no suitable eyelid openers;

3. the traditional eyelid retractor struts the eyelids through the elasticity of the steel wire, the tension of the steel wire cannot be controlled, the eyelids of patients are easily damaged, and the angle for stretching the eyelids cannot be freely controlled, so that poor vision can be caused.

Therefore, the utility model discloses a medical ophthalmology eye speculum compares in prior art, the utility model discloses can adapt to different crowds through changing unidimensional eye speculum equipment, the doctor can pass through the utility model discloses dry eye cornea of patient is moist, just the utility model discloses a tension can be controlled, and the angle that the disease struts the eyelid can be controlled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a medical ophthalmology eye speculum to solve the simple structure of eye speculum among the prior art, probably damage disease eyelid, patient at different ages need wholly change the eye speculum, and the easy dry technical problem of eye speculum is used to patient's cornea, the utility model discloses can adapt to different crowds through changing not unidimensional eye speculum equipment, the doctor can pass through the utility model discloses dry eye cornea of patient moistens, just the utility model discloses a tension can be controlled, and the angle that the disease struts the eyelid can be controlled.

The utility model discloses a realize through following technical scheme: the utility model discloses a medical ophthalmology eye speculum, include: the surface of the slide rail is provided with a strip-shaped chute; one end of each telescopic arm is movably connected with a sliding chute on the surface of the sliding rail, and a threaded cylinder is embedded in the surface of each telescopic arm; the left half thread and the right half thread on the surface of the threaded rod have the same thread pitch and opposite directions, and the threaded rod penetrates through the threaded cylinder on the surface of the telescopic arm; the two supporting arms are respectively and movably connected with one end of the telescopic arm; the eyelid retractor comprises two eyelid retractor devices, wherein one end of each eyelid retractor device is connected with one end of the supporting arm, each eyelid retractor device comprises a connector and a hook body, one end of each connector can be detachably connected with the supporting arm, and the other end of each connector is fixedly connected with the hook body.

Use the utility model discloses the time, earlier make the eyelid opening equipment hook patient's last eyelid and lower eyelid, the threaded rod rotates because the screw thread on threaded rod surface sets up in the opposite direction, rotates the threaded rod, and two flexible arm reverse motion can be adjusted through the interval of rotating the threaded rod between to flexible arm, thereby strut the eyelid, because the utility model discloses do not rely on the elasticity of steel wire to support, can control the degree that the eyelid struts through rotating the threaded rod, prevent the damage of eyelid, wherein the linking bridge arm can be dismantled to the eyelid opening equipment, the utility model discloses the crowd to different age bracket corresponds and is provided with not unidimensional eyelid opening equipment, and the doctor can change not unidimensional amount eyelid opening equipment to the patient, need not to change whole eyelid opening device, and convenient to use also can reduce the fund that the hospital purchased the eyelid device.

Preferably, flexible arm possesses flexible function, and the doctor can adjust the length of flexible arm according to the demand, prevents that the slide rail from sheltering from to the sight of doctor's operation, and flexible arm includes slide bar, first screw and the first support arm of seting up the cavity, the first support arm cavity of slide bar sliding connection, and the second screw hole has been seted up to first support arm lateral wall, first screw swing joint second screw hole, first screw one end contact slide bar.

When the length of the telescopic arm needs to be adjusted, a doctor can rotate to loosen the first threaded part, at the moment, the sliding rod and the first supporting arm are in a state of relative movement, after the telescopic arm is adjusted to a proper length, the first threaded part is screwed down, the sliding rod is abutted to the first threaded part, and at the moment, the sliding rod and the first supporting arm are in an immovable state.

Preferably, in order to realize the adjustable of eyelid opening equipment angle, thereby adjust the angle of strutting the eyelid, the going on of convenient operation, a lateral wall of first support arm has been seted up and has been changeed the hole, first screw hole has been seted up to another lateral wall of first support arm, be provided with the lateral wall that changes the hole and be provided with the perpendicular setting of lateral wall of first screw hole, the support arm includes first bracing piece and second bracing piece, first bracing piece one end fixed mounting has coupling mechanism, coupling mechanism pairs the setting with the connector, first bracing piece other end fixed connection second bracing piece, the second bracing piece rotates to connect and changes the hole, annular cell body has been seted up to the second bracing piece lateral wall, the first screw hole of screw spare swing joint, and screw spare one end contact cell body.

When the angle of the eyelid opening equipment needs to be adjusted, the threaded part is loosened, when the threaded part is not in contact with the groove body, the second support rod rotates to be connected with the rotating hole, the support arm is in a rotatable state at the moment, the support arm drives the eyelid opening equipment to rotate, the eyelid opening equipment is adjusted to a proper angle, then the threaded part is rotated, the threaded part is extruded to the groove body, and the support arm cannot rotate.

Preferably, in order to prevent the eyelid opening device from rotating randomly, the surface of the groove body is provided with a frosting layer, and the frosting layer can increase the friction force between the thread piece and the groove body.

Preferably, in order to facilitate the rotation of the support arm, a handle is fixedly arranged on the surface of the first support rod.

Preferably, for the convenience of wetting the cornea of the patient by the doctor, the hook body comprises a liquid injection rod and an eyelid opening hook in a hollow state, one end of the liquid injection rod is fixedly connected with the connector, the surface of the liquid injection rod is provided with a liquid injection hole, the side wall of the liquid injection rod is fixedly connected with the eyelid opening hook, the eyelid opening hook is communicated with the liquid injection hole, and the surface of the eyelid opening hook is provided with a liquid outlet.

When the doctor needs to moisten patient's cornea, can contain liquid cotton ball or annotate the liquid ware through using, through annotating the liquid hole and pouring into liquid, liquid gets into in the eyelid retractor to go out liquid through the liquid outlet, wherein set up the position and the eyelid contact of seting up the liquid outlet on the eyelid retractor, go out liquid through the liquid outlet and carry out moist to the cornea.

Preferably, for the spill that prevents liquid, the size in the feed liquor hole of notes liquid hole is greater than the size in a liquid hole, and notes liquid hole pair and be provided with dustproof stopper, and dustproof stopper material is rubber, and the shape that annotates the liquid hole is similar with the funnel, makes things convenient for the injection of liquid, and dustproof stopper can prevent the utility model discloses the entering of dust when idle.

The utility model discloses a medical ophthalmology eye speculum compares with prior art:

one of which, the utility model discloses make things convenient for the doctor to carry out moist to patient's cornea, the doctor can contain liquid cotton ball or annotate the liquid ware through using, pours into liquid into through annotating the liquid hole into liquid into, during liquid gets into the eyelid hook to go out liquid through the liquid outlet, wherein set up the position and the eyelid contact of seting up the liquid outlet on the eyelid hook, go out liquid through the liquid outlet and carry out moist to the cornea, thereby make things convenient for going on of ophthalmic surgery.

Two, the utility model discloses the crowd to different age brackets need not to change whole eyelid retractor, and the support arm can be dismantled to the eyelid equipment, the utility model discloses the crowd to different age brackets corresponds the eyelid retractor equipment that is provided with unidimensional, and the doctor can change unidimensional volume eyelid retractor equipment to the patient, need not to change whole eyelid retractor, and convenient to use also can reduce the fund that the hospital purchased the eyelid ware.

Third, the utility model discloses can control the degree that the eyelid struts to the angle that the eyelid struts also can adjust, the threaded rod rotates, two flexible arm back motions can be adjusted the interval between flexible arm through rotating the threaded rod, thereby struts the eyelid, because the utility model discloses do not rely on the elasticity of steel wire to support, can control the degree that the eyelid struts through rotating the threaded rod, prevent the damage of eyelid, when needing to adjust the angle of eyelid opening equipment, not hard up screw, the support arm is in can the pivoted state this moment, screws up the screw, and the support arm can not rotate, the utility model discloses a tension can be controlled, prevents that the eyelid of disease is impaired, and struts the angle of eyelid and can control, makes things convenient for going on of operation.

Drawings

Fig. 1 is a schematic structural view of the present invention in embodiment 1;

FIG. 2 is an external view of the first support arm;

FIG. 3 is a schematic external view of a support arm according to example 1;

FIG. 4 is a schematic external view of a support arm according to example 2;

figure 5 is a schematic structural view of the eyelid opening device;

FIG. 6 is a cross-sectional view of the liquid injection rod.

In the figure: 1. a slide rail; 2. a threaded rod; 3. a telescopic arm; 31. a slide bar; 32. a first screw member; 33. a first support arm; 331. a first threaded hole; 332. hole turning; 333. a second threaded hole; 4. a threaded member; 5. a support arm; 51. a threaded post; 52. a first support bar; 53. a handle; 54. a trough body; 55. a second support bar; 56. a clamping block; 6. an eyelid opening device; 61. a connector; 62. a liquid injection hole; 63. a liquid injection rod; 64. an eyelid retractor; 65. a liquid outlet; 66. a dust plug; 67. a hook body.

Detailed Description

The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example 1

Embodiment 1 discloses a medical ophthalmology eye speculum, as shown in fig. 1 and fig. 2, comprising a slide rail 1, two telescopic arms 3, a threaded rod 2, two support arms 5 and two eye speculum devices 6, wherein the surface of the slide rail 1 is provided with a strip-shaped sliding groove, one end of each telescopic arm 3 is movably connected with the sliding groove on the surface of the slide rail 1, the surface of each telescopic arm 3 is embedded with a threaded cylinder, the left half thread and the right half thread on the surface of each threaded rod 2 have the same pitch and opposite directions, the threaded rod 2 penetrates through the threaded cylinders on the surfaces of the telescopic arms 3, the support arms 5 are respectively and movably connected with one end of each telescopic arm 3, the eye speculum devices 6 are connected with one end of each support arm 5, each telescopic arm 3 comprises a slide bar 31, a first threaded part 32 and a first support arm 33 provided with a cavity, the slide bar 31 is slidably connected with the cavity of the first support arm 33, the side wall of the first, one end of the first screw 32 contacts the slide bar 31.

A rotating hole 332 is formed in one side wall of the first support arm 33, a first threaded hole 331 is formed in the other side wall of the first support arm 33, and the side wall provided with the rotating hole 332 and the side wall provided with the first threaded hole 331 are vertically arranged.

As shown in fig. 3, the supporting arm 5 includes a first supporting rod 52 and a second supporting rod 55, a connecting mechanism is fixedly mounted at one end of the first supporting rod 52, the connecting mechanism is disposed in a pairing manner with the connecting head 61, the other end of the first supporting rod 52 is fixedly connected with the second supporting rod 55, the second supporting rod 55 is rotatably connected with the rotating hole 332, an annular groove 54 is formed in a side wall of the second supporting rod 55, the threaded part 4 is movably connected with the first threaded hole 331, one end of the threaded part 4 contacts with the groove 54, a frosted layer is disposed on a surface of the groove 54, a handle 53 is further fixedly disposed on a surface of the first supporting rod 52, the connecting mechanism is a threaded column 51, and the connecting head 61 is disposed in.

As shown in fig. 5, the eyelid opening device 6 comprises a connector 61 and a hook body 67, the connecting support arm 5 can be dismantled to connector 61 one end, the other end of the connector 61 is fixedly connected with the hook body 67, the hook body 67 comprises an eyelid opening hook 64 which is filled with a liquid rod 63 and a hollow state, the liquid rod 63 is fixedly connected with the connector 61 one end, the liquid injection hole 62 is formed in the surface of the liquid injection rod 63, the liquid injection rod 63 is fixedly connected with an eyelid opening hook 64 on the side wall, the eyelid opening hook 64 is communicated with the liquid injection hole 62, and the liquid outlet 65 is formed in the surface of the eyelid opening hook 64.

As shown in FIG. 6, the size of the liquid inlet 62 is larger than that of the liquid outlet, and the liquid inlet 62 is provided with a dust plug 66.

Embodiment 1 discloses a medical ophthalmology eyelid retractor, when in use, the eyelid retractor 6 hooks the upper eyelid and the lower eyelid of the patient, the threaded rod 2 is rotated, because the thread on the surface of the threaded rod 2 is reversely arranged, the threaded rod 2 is rotated, the two telescopic arms 3 reversely move, the distance between the telescopic arms 3 can be adjusted by rotating the threaded rod 2, thereby the eyelid is opened, because the utility model does not depend on the elasticity of the steel wire for supporting, the eyelid opening degree can be controlled by rotating the threaded rod 2, the injury of the eyelid is prevented, wherein the eyelid retractor 6 can be disassembled to connect the supporting arm 5, the connecting head 61 is in threaded connection with the threaded post 51, the utility model correspondingly arranges eyelid retractors with different sizes for people of different ages, the doctor can replace the eyelid retractor 6 with different sizes for the patient without replacing the whole eyelid retractor, convenient to use, also can reduce the fund that the hospital bought the eyelid ware, flexible arm 3 possesses flexible function, the doctor can adjust the length of flexible arm 3 according to the demand, prevent that slide rail 1 from sheltering from the sight of doctor's operation, when needing to adjust the length of flexible arm 3, the doctor can rotate and loosen first screw 32, at this moment, slide bar 31 and first support arm 33 are in the state that can move relatively, adjust flexible arm 3 to after suitable length, again screw up first screw 32, make first screw 32 support slide bar 31 tightly, slide bar 31 and first support arm 33 are in unmovable state this moment, when needing to adjust the angle of opening the eyelid equipment 6, become flexible screw 4, when screw 4 is not in contact with cell body 54, because second support rod 55 rotates and connects the rotating hole 332, at this moment support arm 5 is in can the pivoted state, the support arm 5 drives the eyelid opening device 6 to rotate, the eyelid opening device 6 is adjusted to a proper angle, then the screw thread part 4 is rotated, the screw thread part 4 extrudes the groove body 54, the support arm 5 can not rotate, the eyelid opening device 6 can be prevented from rotating randomly, the surface of the groove body 54 is provided with a frosting layer, the frosting layer can increase the friction force between the screw thread part 4 and the groove body 54, when a doctor needs to wet the cornea of a patient, liquid can be injected through the liquid injection hole 62 by using a liquid-containing cotton ball or a liquid injector, the liquid enters the eyelid opening hook 64 and goes out through the liquid outlet 65, the part provided with the liquid outlet 65 on the eyelid opening hook is contacted with the eyelid, the cornea can be wetted when the liquid is discharged through the liquid outlet 65, in order to prevent the liquid from splashing, the size of the liquid inlet of the liquid injection hole 62 is larger than that of the liquid outlet, and the dustproof plug 66 is arranged on the liquid injection hole 62, annotate liquid hole 62's shape similar and funnel, make things convenient for the injection of liquid, dust plug 66 can prevent the utility model discloses the entering of dust when idle, the utility model discloses can adapt to different crowds through the eyelid device of changing not unidimensional, the doctor can pass through the utility model discloses carry out moist to the dry cornea of patient, just the utility model discloses a tension can be controlled, and the angle that the disease struts the eyelid can be controlled, is fit for the hospital and uses widely.

Example 2

Embodiment 2 discloses medical ophthalmology eye speculum, including slide rail 1, two flexible arms 3, the threaded rod 2, two support arms 5 and two eye speculum equipment 6, the bar spout has been seted up on slide rail 1 surface, 1 surperficial spout of 3 one end swing joint slide rails of flexible arm, 3 surface mosaic of flexible arm have a screw thread section of thick bamboo, the screw pitch of 2 surperficial left half threads of threaded rod and right half threads is the same, opposite direction, threaded rod 2 passes 3 surperficial screw thread sections of flexible arm, 3 one ends of the flexible arm of swing joint respectively of

support arm

5, 5 one ends of support arm are connected to eye speculum equipment 6.

The difference between embodiment 2 and embodiment 1 is characterized in that the structure of the support arm 5 and the connecting head 61 is different, as shown in fig. 4, in embodiment 2, the support arm 5 includes a first support rod 52 and a second support rod 55, a connecting mechanism is fixedly installed at one end of the first support rod 52, the connecting mechanism is disposed in a manner of being paired with the connecting head 61, the other end of the first support rod 52 is fixedly connected with the second support rod 55, the second support rod 55 is rotatably connected with a rotating hole 332, the side wall of the second support rod 55 is provided with an annular groove 54, the screw 4 is movably connected with the first threaded hole 331, one end of the screw 4 contacts with the groove 54, the surface of the groove 54 is provided with a frosted layer, the surface of the first support rod 52 is further fixedly provided with a handle 53, wherein the connecting mechanism is a clamping block 56, the connecting head 61 is provided with a clamping block 56 in a manner of being paired with the clamping block 56, the connecting head 61, the doctor can pass through the utility model discloses carry out moist to the dry cornea of patient, just the utility model discloses a tension can be controlled, and the angle that the disease struts the eyelid can be controlled, is fit for the hospital and uses widely.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A medical ophthalmic eyelid retractor, comprising:

the sliding rail comprises a sliding rail (1), wherein a strip-shaped sliding groove is formed in the surface of the sliding rail (1);

one end of each telescopic arm (3) is movably connected with a sliding groove in the surface of the sliding rail (1), and a threaded cylinder is embedded in the surface of each telescopic arm (3);

the thread pitch of the left half thread and the right half thread on the surface of the threaded rod (2) is the same, the direction of the left half thread and the right half thread are opposite, and the threaded rod (2) penetrates through the threaded cylinder on the surface of the telescopic arm (3);

the two supporting arms (5), the supporting arms (5) are respectively and movably connected with one end of the telescopic arm (3);

two eyelid opening equipment (6), eyelid opening equipment (6) are connected support arm (5) one end, eyelid opening equipment (6) are including connector (61) and coupler body (67), connector (61) one end can be dismantled and connect support arm (5), connector (61) other end fixed connection coupler body (67).

2. The medical ophthalmonogy eyelid retractor according to claim 1, wherein the telescopic arm (3) comprises a sliding rod (31), a first screw member (32) and a first supporting arm (33) with a cavity, the sliding rod (31) is slidably connected with the cavity of the first supporting arm (33), the side wall of the first supporting arm (33) is provided with a second threaded hole (333), the first screw member (32) is movably connected with the second threaded hole (333), and one end of the first screw member (32) contacts with the sliding rod (31).

3. The medical ophthalmic eyelid retractor according to claim 2, wherein the first supporting arm (33) has a rotating hole (332) formed on one side wall, the other side wall of the first supporting arm (33) has a first threaded hole (331), and the side wall provided with the rotating hole (332) and the side wall provided with the first threaded hole (331) are vertically disposed.

4. A medical ophthalmonogy eyelid retractor according to claim 3, wherein the supporting arm (5) comprises a first supporting rod (52) and a second supporting rod (55), wherein a connecting mechanism is fixedly arranged at one end of the first supporting rod (52), the connecting mechanism is arranged in a matching way with the connecting head (61), the other end of the first supporting rod (52) is fixedly connected with the second supporting rod (55), and the second supporting rod (55) is rotatably connected with the rotary hole (332).

5. The medical ophthalmonogy eyelid retractor according to claim 4, wherein the second support rod (55) is provided with an annular groove (54) on the side wall, the screw (4) is movably connected with the first threaded hole (331), and one end of the screw (4) is contacted with the groove (54).

6. The medical ophthalmic speculum of claim 5, wherein the surface of the channel (54) is provided with a frosted layer.

7. A medical ophthalmonogy eyelid retractor according to claim 6, wherein the first supporting rod (52) is further fixedly provided with a handle (53) on the surface.

8. The medical ophthalmonogy eyelid retractor according to any one of claims 1-7, wherein the hook body (67) comprises a liquid injection rod (63) and a hollow eyelid opening hook (64), one end of the liquid injection rod (63) is fixedly connected with the connecting head (61), a liquid injection hole (62) is formed on the surface of the liquid injection rod (63), the side wall of the liquid injection rod (63) is fixedly connected with the eyelid opening hook (64), the eyelid opening hook (64) is communicated with the liquid injection hole (62), and a liquid outlet (65) is formed on the surface of the eyelid opening hook (64).

9. A medical ophthalmonogy eyelid opener according to claim 8, characterized in that the size of the liquid inlet of the liquid injection hole (62) is larger than that of the liquid outlet, and the liquid injection hole (62) is provided with a dust plug (66) in a matching way.

10. The medical ophthalmic speculum of claim 9, wherein the dust plug (66) is made of rubber.