CN211066797U

CN211066797U - Ophthalmic lacrimal passage expander

Info

Publication number: CN211066797U
Application number: CN201921831460.3U
Authority: CN
Inventors: 杨亚斌; 柯红琴; 李亚娣; 刘晓瑛
Original assignee: YUNNAN SECOND PEOPLE'S HOSPITAL
Current assignee: YUNNAN SECOND PEOPLE'S HOSPITAL
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-07-24
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses an ophthalmic lacrimal passage expander, including first arm and the second of strutting, first arm and the second of strutting props the arm and keeps away from the equal fixedly connected with connecting rod of one end of rotating the connecting axle, two the frame is propped in the equal fixedly connected with customization of one end of connecting rod, first arm and the second of strutting is provided with adjusting device between the arm, the both sides of first arm outer wall of strutting all are provided with the mount, one of them be provided with the lantern ring in the rectangular hole, be provided with fixing device between the lantern ring and the mount, the extension pole has been cup jointed at the lantern ring center, the center of the lantern ring is provided with the resetting means corresponding with the extension pole. The utility model discloses in, its structure of the device and design all have great innovation and improvement, and this expander has not only designed the lacrimal passage expander, still combines together it with the ware that struts to reduce the damage to skin tissue around patient's eye, also improved the success rate of operation simultaneously, be worth wideling popularize.

Description

Ophthalmic lacrimal passage expander

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to an ophthalmic lacrimal passage expander.

Background

The lacrimal passage disease mainly refers to the blockage of lacrimal passages (including the blockage of upper and lower lacrimal canaliculi, the blockage of common lacrimal duct, the blockage of nasolacrimal duct, chronic dacryocystitis and the like), and patients suffering from the lacrimal passage disease often have endless troubles and pains of unconscious lacrimation, purulence and the like, and meanwhile, the lacrimal passage disease is accompanied with potential infection focus, easy to cause corneal ulcer and influence the implementation of internal eye surgery.

The lacrimal passage operation is a common operation of ophthalmology, the lacrimal passage dilator is a common instrument for the lacrimal passage operation, the lacrimal passage dilator has the function of exposing an operation field, the existing lacrimal passage dilator often touches a spreader when in use and easily injures the skin around the eyes of a patient, if the force is excessively applied during the operation, the tissues around the eyes of the patient can be injured to a certain degree, so that a plurality of patients feel uncomfortable after the operation for a long time, in order to relieve the symptoms, doctors usually take caution when using the instrument, and the success rate of the operation is also influenced to a certain extent, therefore, a new lacrimal passage dilator for ophthalmology is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an ophthalmic lacrimal passage dilator.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an ophthalmic lacrimal passage dilator comprises a first distraction arm and a second distraction arm which are rotatably connected through a rotating connecting shaft, one ends of the first spreading arm and the second spreading arm far away from the rotating connecting shaft are fixedly connected with connecting rods, one ends of the two connecting rods are fixedly connected with a customized spreading frame, an adjusting device is arranged between the first spreading arm and the second spreading arm, fixing frames are arranged on both sides of the outer wall of the first spreading arm, rectangular holes are arranged in the centers of the two fixing frames, wherein a lantern ring is arranged in one rectangular hole, a fixing device is arranged between the lantern ring and the fixed frame, the lantern ring center has cup jointed the expansion pole, the top fixedly connected with kicking block of expansion pole, the center of lantern ring is provided with the resetting means corresponding with the expansion pole, the bottom fixedly connected with expansion awl of expansion pole.

As a further description of the above technical solution:

the outer wall of the rotating connecting shaft is sleeved with a torsion spring, and two ends of the torsion spring are clamped with the inner sides of the first spreading arm and the second spreading arm respectively.

As a further description of the above technical solution:

the connecting rod is fixedly connected with the customized opening frame through welding.

As a further description of the above technical solution:

the adjusting device comprises an arc adjusting ring, the arc adjusting ring is arranged between the first opening arm and the second opening arm, an arc moving hole is formed in the center of the arc adjusting ring, one end of the arc adjusting ring is fixedly connected with the second opening arm, and an elastic screw corresponding to the arc moving hole is arranged on the outer wall of one side of the first opening arm.

As a further description of the above technical solution:

the fixing device comprises a limiting ring, the outer wall of the lantern ring is fixedly connected with the limiting ring, the lantern ring penetrates through the rectangular hole, and fixing nuts corresponding to the limiting ring are arranged at the bottom of the outer wall of the lantern ring.

As a further description of the above technical solution:

the reset device comprises a limiting column, the bottom of the inner wall of the sleeve ring is provided with the limiting column, the outer wall of the expansion rod is sleeved with a reset spring, and the center of the outer wall of the expansion rod is provided with a limiting block corresponding to the reset spring.

The utility model discloses following beneficial effect has: 1. the utility model provides an ophthalmic lacrimal passage expander compares with traditional device, the device simple structure, convenient and practical has improved lacrimal passage expander's work efficiency and operation success rate greatly, has reduced the risk of secondary operation.

2. Compared with the traditional device, the device has great innovation and improvement in structure and design, the lacrimal passage dilator is designed, and the lacrimal passage dilator is combined with the dilator, so that the injury to skin tissues around the eyes of a patient is reduced, the success rate of an operation is improved, and the lacrimal passage dilator is worthy of being popularized vigorously.

Drawings

Fig. 1 is a front view structural diagram of an ophthalmic lacrimal dilator according to the present invention;

fig. 2 is a side view of an ophthalmic lacrimal dilator according to the present invention;

fig. 3 is a top view of the fixing frame of the lacrimal dilator for ophthalmology of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 1.

Illustration of the drawings:

1. a first spreader arm; 2. a second spreader arm; 3. rotating the connecting shaft; 4. a torsion spring; 5. a connecting rod; 6. customizing a distraction frame; 7. an arc-shaped adjusting ring; 8. an arc-shaped movable hole; 9. tightening and loosening screws; 10. a fixed mount; 11. a collar; 12. a limiting ring; 13. fixing a nut; 14. an expansion rod; 15. a top block; 16. a limiting column; 17. a return spring; 18. a limiting block; 19. expanding a cone; 20. a rectangular hole.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: an ophthalmologic lacrimal passage dilator comprises a first distraction arm 1 and a second distraction arm 2, wherein the first distraction arm 1 and the second distraction arm 2 are rotatably connected through a rotating connecting shaft 3, one ends of the first distraction arm 1 and the second distraction arm 2, which are far away from the rotating connecting shaft 3, are fixedly connected with connecting rods 5, one ends of the two connecting rods 5 are fixedly connected with a customized distraction frame 6, the customized distraction frame 6 can play a role in distracting the eyelid of a patient, meanwhile, the hollow structure of the dilator does not influence the normal operation of the lacrimal passage dilator, and the two structures can not touch, so that the damage to the skin tissue around the eye of the patient is reduced, an adjusting device is arranged between the first distraction arm 1 and the second distraction arm 2, fixing frames 10 are arranged on both sides of the outer wall of the first distraction arm 1, rectangular holes 20 are arranged in the centers of the two fixing frames 10, a lantern ring 11 and an expansion rod 14 arranged in the lantern ring can move freely by arranging the rectangular holes 20, the position can be adjusted in a flexible way according to patient's the condition to the doctor, thereby improve the success rate of operation, be provided with lantern ring 11 in one of them rectangular hole 20, be provided with fixing device between lantern ring 11 and the mount 10, extension rod 14 has been cup jointed at lantern ring 11 center, extension rod 14's top fixedly connected with kicking block 15, lantern ring 11's center is provided with the resetting means corresponding with extension rod 14, extension rod 14's bottom fixedly connected with extension awl 19, extension awl 19 is used for stinging to patient's eye lacrimal passage, thereby expand patient lacrimal passage.

The outer wall of the rotating connecting shaft 3 is sleeved with a torsion spring 4, two ends of the torsion spring 4 are respectively clamped with the inner sides of the first opening arm 1 and the second opening arm 2, the first opening arm 1 and the second opening arm 2 can be opened and closed through the torsion spring 4, and therefore the purpose of opening the eyelid of a patient is achieved.

The connecting rod 5 and the customized opening frame 6 are fixedly connected through welding, and the structure of the customized opening frame is firmer through the fixed connection in a welding mode, so that a stable supporting structure can be provided for an operation.

Adjusting device includes arc adjusting ring 7, first arm 1 and the second of strutting is provided with arc adjusting ring 7 between the arm 2, the center of arc adjusting ring 7 is provided with arc activity hole 8, the one end and the second of arc adjusting ring 7 strut arm 2 fixed connection, the outer wall of first arm 1 one side of strutting is provided with the elasticity screw 9 corresponding with arc activity hole 8, select different angles of strutting according to different patients' eye condition, then fix first arm 1 of strutting in the different positions on arc adjusting ring 7 through elasticity screw 9.

Fixing device includes spacing ring 12, the outer wall fixedly connected with spacing ring 12 of lantern ring 11, lantern ring 11 runs through rectangular hole 20, and the bottom of the 11 outer walls of lantern ring is provided with fixation nut 13 corresponding with spacing ring 12, the outer wall fixedly connected with spacing ring 12 of lantern ring 11, and lantern ring 11 runs through rectangular hole 20, spacing ring 12 card is at the top of mount 10, then the fixation nut 13 corresponding with spacing ring 12 that sets up through the bottom of the 11 outer walls of lantern ring is screwed up, thereby realize the purpose to 11 fixed positions of lantern ring, can adjust according to the operation position of difference simultaneously.

The resetting device comprises a limiting column 16, the bottom of the inner wall of the lantern ring 11 is provided with the limiting column 16, the outer wall of the expansion rod 14 is sleeved with a resetting spring 17, the center of the outer wall of the expansion rod 14 is provided with a limiting block 18 corresponding to the resetting spring 17, the resetting spring 17 and the limiting block 18 have limiting and automatic resetting effects on the expansion rod 14, and the resetting device can automatically reset after the lacrimal passage is dredged.

The working principle is as follows: the utility model provides an ophthalmic lacrimal passage expander and traditional device have great improvement innovation, the device is simple in structure, convenient and practical, we pinch the first distraction arm 1 and the second distraction arm 2 to the center with thumb and ring finger first, then insert the upper and lower eyelids of the patient into two customization distraction frames 6 respectively, then slowly loosen the thumb, make the first distraction arm 1 move slowly to the outside, thereby drive the customization distraction frame 6 to distract the eyelid of the patient, after strutting to suitable position, through screwing up the elastic screw 9, thereby fix its distraction position, then move the position of the lantern ring 11 in the rectangular hole 20 according to the position of the patient's eye lacrimal passage, move it directly over the patient's lacrimal passage, finally screw up through the fixing nut 13, after both positions are fixed, the operation doctor can utilize the expansion rod 14 and the expansion cone 19 to the patient's lacrimal passage to expand with the assistance of operation instruments such as microscope, meanwhile, the position of the expansion rod 14 in the lantern ring 11 can be slightly rotated, so that a more appropriate operation angle can be found, and the lacrimal passage expander is combined with the spreader, so that the lacrimal passage expander and the spreader cannot shake or touch in the operation process, so that the damage to skin tissues around the eyes of a patient is reduced, and the success rate of the operation is greatly improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. An ophthalmic lacrimal dilator comprising a first spreader arm (1) and a second spreader arm (2), characterized in that: the first spreading arm (1) and the second spreading arm (2) are rotatably connected through a rotating connecting shaft (3), one ends, far away from the rotating connecting shaft (3), of the first spreading arm (1) and the second spreading arm (2) are fixedly connected with connecting rods (5), one ends of the two connecting rods (5) are fixedly connected with a customized spreading frame (6), an adjusting device is arranged between the first spreading arm (1) and the second spreading arm (2), fixing frames (10) are arranged on two sides of the outer wall of the first spreading arm (1), rectangular holes (20) are formed in the centers of the two fixing frames (10), one of the rectangular holes (20) is provided with a lantern ring (11), a fixing device is arranged between the lantern ring (11) and the fixing frame (10), an expansion rod (14) is sleeved in the center of the lantern ring (11), and a top block (15) is fixedly connected to the top of the expansion rod (14), the center of the lantern ring (11) is provided with a resetting device corresponding to the expansion rod (14), and the bottom of the expansion rod (14) is fixedly connected with an expansion cone (19).

2. An ophthalmic lacrimal dilator according to claim 1, wherein: the outer wall of the rotating connecting shaft (3) is sleeved with a torsion spring (4), and two ends of the torsion spring (4) are clamped with the inner sides of the first spreading arm (1) and the second spreading arm (2) respectively.

3. An ophthalmic lacrimal dilator according to claim 1, wherein: the connecting rod (5) is fixedly connected with the customized opening frame (6) through welding.

4. An ophthalmic lacrimal dilator according to claim 1, wherein: the adjusting device comprises an arc adjusting ring (7), wherein the arc adjusting ring (7) is arranged between the first opening arm (1) and the second opening arm (2), an arc moving hole (8) is formed in the center of the arc adjusting ring (7), one end of the arc adjusting ring (7) is fixedly connected with the second opening arm (2), and an elastic screw (9) corresponding to the arc moving hole (8) is arranged on the outer wall of one side of the first opening arm (1).

5. An ophthalmic lacrimal dilator according to claim 1, wherein: the fixing device comprises a limiting ring (12), the outer wall of the sleeve ring (11) is fixedly connected with the limiting ring (12), the sleeve ring (11) penetrates through the rectangular hole (20), and a fixing nut (13) corresponding to the limiting ring (12) is arranged at the bottom of the outer wall of the sleeve ring (11).

6. An ophthalmic lacrimal dilator according to claim 1, wherein: the resetting device comprises a limiting column (16), the limiting column (16) is arranged at the bottom of the inner wall of the sleeve ring (11), a resetting spring (17) is sleeved on the outer wall of the expansion rod (14), and a limiting block (18) corresponding to the resetting spring (17) is arranged at the center of the outer wall of the expansion rod (14).