CN215079055U

CN215079055U - Novel adjustable ophthalmology eye speculum

Info

Publication number: CN215079055U
Application number: CN202120323277.3U
Authority: CN
Inventors: 李倩; 杨卫华; 陈小沛; 汤福静; 毛汝萍
Original assignee: Eye Hospital Nanjing Medical University
Current assignee: Eye Hospital Nanjing Medical University
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-12-10
Anticipated expiration: 2031-02-04

Abstract

The utility model discloses a novel adjustable ophthalmology eye speculum, including the torsional spring, draw together torsional spring right-hand member fixedly connected with right branch arm, torsional spring left end fixedly connected with left branch arm, right branch arm and the terminal equal fixedly connected with annular of left branch arm are buckled, right branch arm outside fixedly connected with connecting block, first recess has been seted up to the connecting block upper end, the first slide bar of fixedly connected with in the first recess, first slide bar outside swing joint has the sleeve pipe, sleeve pipe outside fixedly connected with threaded rod. This novel adjustable ophthalmology eye speculum, the main part is detained by torsional spring, right branch brace, left branch brace and ring-type and is constituteed, formula steel wire structure as an organic whole to constitute an adjusting device by spare parts such as connecting block, threaded rod and nut, can be according to patient's eyes size, through screwing threaded connection between nut and the threaded rod, adjust and fix opening and angle between right branch brace and the left branch brace, simple structure connects reliable and stable.

Description

Novel adjustable ophthalmology eye speculum

Technical Field

The utility model relates to the technical field of ophthalmic equipment, in particular to a novel adjustable ophthalmic eyelid retractor.

Background

Ophthalmology is called ophthalmology for short, and ophthalmology generally studies various ophthalmology diseases such as vitreous body, retina disease, ocular optic, glaucoma, optic neuropathy, cataract and the like.

The eyelid retractor is used for opening patient eyelids during eye surgery so that the surgical instrument is favorable for expanding the visual field, is indispensable medical equipment in ophthalmic surgery, has a simple structure, is manufactured by using steel wires, cannot accurately adjust the opening and closing size according to the eye size of a patient, and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel adjustable ophthalmology eye speculum to solve and propose current eye speculum in the above-mentioned background art and use inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel adjustable ophthalmology eye speculum, includes the torsional spring, draw together torsional spring right-hand member fixedly connected with right branch arm, torsional spring left end fixedly connected with left branch arm, right branch arm and the terminal equal fixedly connected with annular of left branch arm are buckled, right branch arm outside fixedly connected with connecting block, first recess has been seted up to the connecting block upper end, the first slide bar of fixedly connected with in the first recess, first slide bar outside swing joint has the sleeve pipe, sleeve pipe outside fixedly connected with threaded rod, the fixed pipe of left branch arm outside fixedly connected with, swing joint has the connecting rod in the fixed pipe, connecting rod rear end fixedly connected with stopper.

Preferably, the front end of the connecting rod is fixedly connected with a lantern ring, the torsion spring, the right supporting arm, the left supporting arm and the ring are buckled into an integral steel wire structure, the threaded rod is connected with a nut in a threaded mode, the nut is located at the left end of the lantern ring, and a second groove is formed in the lower end of the connecting block.

Preferably, the threaded rod is inserted into the sleeve ring, a second sliding rod is fixedly connected in the second groove, a measuring scale is movably connected in the second groove, a sliding hole is formed in the outer side of the measuring scale, and the second sliding rod is inserted into the sliding hole.

Preferably, the outside of the measuring scale is provided with scales.

Preferably, the lantern ring lower extreme fixedly connected with fixed block, the spout has been seted up on the fixed block, the dipperstick is pegged graft in the spout.

Compared with the prior art, the beneficial effects of the utility model are that:

this novel adjustable ophthalmology eye speculum, the main part is by the torsional spring, the right branch arm, left branch arm and annular are detained and are constituteed, formula steel wire structure as an organic whole, and by the connecting block, adjusting device is constituteed to spare parts such as threaded rod and nut, can be according to patient's eyes size, through screwing threaded connection between nut and the threaded rod, adjust and fix with the angle opening between right branch arm and the left branch arm, moreover, the steam generator is simple in structure, connect reliable and stable, and by the dipperstick, a measuring device is constituteed to spare parts such as fixed block and scale, medical personnel can more audio-visual observation right branch arm and left branch arm's interval.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the connecting block of the present invention;

fig. 4 is the mounting structure diagram of the collar and the fixing block of the present invention.

In the figure: 1. a torsion spring; 2. a right support arm; 3. a left support arm; 4. an annular buckle; 5. connecting blocks; 6. a first groove; 7. a first slide bar; 8. a sleeve; 9. a threaded rod; 10. a fixed tube; 11. a connecting rod; 12. a limiting block; 13. a collar; 14. a nut; 15. a second groove; 16. a second slide bar; 17. measuring a scale; 18. a slide hole; 19. calibration; 20. a fixed block; 21. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a novel adjustable ophthalmology eye speculum comprises a torsion spring 1, a right supporting arm 2, a left supporting arm 3, an annular buckle 4, a connecting block 5, a first groove 6, a first slide bar 7, a sleeve 8, a threaded rod 9, a fixing tube 10, a connecting rod 11, a limiting block 12, a lantern ring 13, a nut 14, a second groove 15, a second slide bar 16, a measuring scale 17, a slide hole 18, a scale 19, a fixing block 20 and a slide groove 21, wherein the right end of the torsion spring 1 is fixedly connected with the right supporting arm 2, the left end of the torsion spring 1 is fixedly connected with the left supporting arm 3, the tail ends of the right supporting arm 2 and the left supporting arm 3 are fixedly connected with the annular buckle 4, the outer side of the right supporting arm 2 is fixedly connected with the connecting block 5, the upper end of the connecting block 5 is provided with the first groove 6, the first slide bar 7 is fixedly connected in the first groove 6, the outer side of the first slide bar 7 is movably connected with the sleeve 8, the threaded rod 9 is fixedly connected on the outer side of the sleeve 8, the outer side of the left supporting arm 3 is fixedly connected with the fixing tube 10, the fixed pipe 10 is internally and movably connected with a connecting rod 11, and the rear end of the connecting rod 11 is fixedly connected with a limiting block 12.

Further, 11 front end fixedly connected with lantern rings 13 of connecting rod, 4 formula steel wire structures as an organic whole are detained to torsional spring 1, right branch arm 2, left branch arm 3 and annular, and threaded rod 9 outside threaded connection has nut 14, and nut 14 is located lantern ring 13 left end, and second recess 15 has been seted up to 5 lower extremes of connecting block, moves nut 14 through twisting, adjusts the angle of right branch arm 2 and left branch arm 3.

Further, threaded rod 9 is pegged graft in lantern ring 13, fixedly connected with second slide bar 16 in the second recess 15, swing joint has dipperstick 17 in the second recess 15, and slide opening 18 has been seted up in the dipperstick 17 outside, and second slide bar 16 is pegged graft in slide opening 18, and dipperstick 17 accessible slide opening 18 uses second slide bar 16 to rotate as the centre of a circle.

Furthermore, scale 19 has been seted up to the dipperstick 17 outside, and medical personnel can more audio-visual observation the interval of right branch brace 2 and left branch brace 3.

Further, 13 lower extreme fixedly connected with fixed block 20 of lantern ring has seted up spout 21 on the fixed block 20, and dipperstick 17 is pegged graft in spout 21, supports dipperstick 17 left end through spout 21.

The working principle is as follows: firstly, according to patient's eyes size, screw nut 14, through threaded connection between threaded rod 9 and the nut 14, make the nut 14 remove about, when removing nut 14 left, accessible torsional spring 1's elastic force, make the terminal interval increase of right branch brace 2 and left branch brace 3, and increase the angle that opens and shuts, when nut 14 removes right, can make the terminal interval of right branch brace 2 and left branch brace 3 reduce, and make the angle that opens and shuts diminish, and in above operation process, the interval of right branch brace 2 and left branch brace 3 is observed more directly perceivedly to the scale 19 in the accessible dipperstick 17 outside.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a novel adjustable ophthalmology eye speculum, includes torsional spring (1), its characterized in that: draw forth torsional spring (1) right-hand member fixedly connected with right branch arm (2), torsional spring (1) left end fixedly connected with left branch arm (3), right branch arm (2) detain (4) with the equal fixedly connected with ring of left branch arm (3) end, right branch arm (2) outside fixedly connected with connecting block (5), first recess (6) have been seted up to connecting block (5) upper end, the first slide bar (7) of fixedly connected with in first recess (6), first slide bar (7) outside swing joint has sleeve pipe (8), sleeve pipe (8) outside fixedly connected with threaded rod (9), the fixed pipe (10) of left branch arm (3) outside fixedly connected with, swing joint has connecting rod (11) in fixed pipe (10), connecting rod (11) rear end fixedly connected with stopper (12).

2. The novel adjustable ophthalmic speculum of claim 1, wherein: connecting rod (11) front end fixedly connected with lantern ring (13), torsion spring (1), right branch arm (2), left branch arm (3) and annular are detained (4) formula steel wire structure as an organic whole, threaded rod (9) outside threaded connection has nut (14), nut (14) are located lantern ring (13) left end, second recess (15) have been seted up to connecting block (5) lower extreme.

3. The novel adjustable ophthalmic speculum of claim 2, wherein: threaded rod (9) are pegged graft in lantern ring (13), fixedly connected with second slide bar (16) in second recess (15), swing joint has dipperstick (17) in second recess (15), sliding hole (18) have been seted up in dipperstick (17) outside, second slide bar (16) are pegged graft in sliding hole (18).

4. The novel adjustable ophthalmic speculum of claim 3, wherein: scales (19) are arranged on the outer side of the measuring scale (17).

5. The novel adjustable ophthalmic speculum of claim 3, wherein: the lower end of the lantern ring (13) is fixedly connected with a fixing block (20), a sliding groove (21) is formed in the fixing block (20), and the measuring scale (17) is inserted into the sliding groove (21).