CN211883902U

CN211883902U - Lacrimal retractor

Info

Publication number: CN211883902U
Application number: CN202020135294.XU
Authority: CN
Inventors: 孙小红
Original assignee: Jiangsu Tonghui Medical Equipment Co ltd
Current assignee: Jiangsu Tonghui Medical Equipment Co ltd
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2020-11-10
Anticipated expiration: 2030-01-21

Abstract

The utility model relates to the technical field of medical equipment, and a dacryocyst retractor is disclosed, including the head hoop, the fixed telescopic link that is equipped with of right side wall of head hoop, the fixed sleeve that is equipped with of one end that the head hoop was kept away from to the telescopic link, telescopic inside is equipped with elevating system, elevating system's lower extreme extends to telescopic outside and fixed casing that is equipped with, one side left side symmetry of casing is equipped with two sets of claws of leading out, every group lead out the claw and be two, the inside of casing is equipped with and is used for driving every group lead out the opening mechanism that the claw removed, elevating system includes one-way lead screw, internal thread pipe and spacing slider, the internal thread pipe is located telescopic inside, one-way lead screw thread sets up in the inside of internal thread pipe, telescopic top is inlayed and is equipped with. The utility model releases the hands of the medical staff, and is convenient for the medical staff to treat the eyes of the patient.

Description

Lacrimal retractor

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a lacrimal sac retractor.

Background

At present, a lacrimal sac retractor used in clinical ophthalmic surgery comprises two oppositely opened retraction arms, the rear ends of the two retraction arms are hinged and connected with an operation screw rod, and the front ends of the two retraction arms are respectively connected with a retraction palm.

The patent number is CN202168889U, which discloses a lacrimal sac retractor, comprising two retracting arms which are oppositely opened, the rear ends of the two retracting arms are hinged and connected with an operating screw rod, the front ends of the two retracting arms are respectively connected with retracting palms, and the side wall of each retracting palm is connected with 3 retracting claws which are in a shape of a trapezoid plate with a wide lower part and a narrow upper part. The bottom of the retracting claw is 3mm wide, the top of the retracting claw is 0.5mm wide, the height of the retracting claw is 5mm, and the thickness of the retracting claw is 1 mm. The top of the retracting claw is arc-shaped. The top of the retracting claw is outwards inclined. The distance between the bottoms of the retracting claws is 4 mm.

But this scheme needs medical personnel's hand to keep holding retractor after strutting the dacryocyst, can't release medical personnel's hand, and medical personnel are comparatively inconvenient when carrying out other operations at patient's eye.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the hand of medical staff is required to continuously hold the retractor after the lacrimal sac is opened in the prior art, the hand of the medical staff cannot be released, and the medical staff is inconvenient when the eye of a patient is operated by other people, and providing the lacrimal sac retractor.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a dacryocyst retractor, includes the head hoop, the fixed telescopic link that is equipped with of right side wall of head hoop, the fixed sleeve that is equipped with of one end that the head hoop was kept away from to the telescopic link, telescopic inside is equipped with elevating system, elevating system's lower extreme extends to telescopic outside and fixed the casing that is equipped with, one side left side symmetry of casing is equipped with two sets of claws, every group of retracting the claw is two, the inside of casing is equipped with and is used for driving every group the mechanism that opens that the claw removed of retracting.

Preferably, elevating system includes one-way lead screw, internal thread pipe and spacing slider, the internal thread pipe is located telescopic inside, one-way lead screw thread sets up in the inside of internal thread pipe, telescopic top is inlayed and is equipped with first antifriction bearing, the upper end of one-way lead screw is rotated through first antifriction bearing and telescopic top and is connected and the upper end of one-way lead screw extends to telescopic outside, one-way lead screw is located the fixed first carousel that is equipped with of the outside one end of sleeve, the lower extreme of internal thread pipe extend to telescopic outside and with the top fixed connection of casing, spacing slider is fixed respectively and sets up in the pipe wall top of internal thread pipe, and two spacing slider is the symmetry setting, telescopic inner wall seted up with two spacing slider matched with spacing spout.

Preferably, the opening mechanism comprises a bidirectional screw rod, moving blocks, a connecting rod and a fixing plate, the bidirectional screw rod is vertically positioned in the shell, second rolling bearings are embedded in the top inner wall and the bottom inner wall of the shell, the upper end and the lower end of the bidirectional screw rod are rotatably connected with the top inner wall and the bottom inner wall of the shell through the second rolling bearings, the lower end of the bidirectional screw rod extends to the lower part of the shell and is fixedly provided with a second turntable, the moving blocks are vertically and symmetrically positioned in the shell, the side walls of the two moving blocks are slidably arranged in the shell, the lower sides of the two moving blocks are respectively provided with a first threaded hole and a second threaded hole, the two moving blocks are respectively in threaded connection with the upper side and the lower side of the rod wall of the bidirectional screw rod through the first threaded hole and the second threaded hole, the connecting rod is respectively and fixedly arranged on, a strip-shaped hole for the connecting rod to penetrate through is vertically formed in the left side wall of the shell, one end, far away from the moving block, of each of the two connecting rods is fixedly connected with the fixed plate, and the retracting claw is fixedly arranged on the surface of the fixed plate.

Preferably, the telescopic rod comprises a sleeve and a moving rod, the sleeve is fixedly arranged on the right side wall of the head hoop, the moving rod is arranged inside the sleeve in a sliding mode, the left end of the moving rod extends to the outside of the sleeve and is fixedly connected with the wall of the sleeve, and the sleeve and the moving rod are fixedly connected through bolts.

Preferably, the cross section of the telescopic rod is square.

Preferably, the inner wall of the head band is fixedly provided with a rubber ring.

Compared with the prior art, the utility model provides a lacrimal sac retractor, possess following beneficial effect:

1. this lacrimal sac retractor, head hoop through being equipped with, the telescopic link, the sleeve, a housing, lead out the claw, the internal thread pipe, one-way lead screw, first carousel, spacing slider, two-way lead screw, the movable block, the connecting rod, fixed plate and second carousel, medical personnel wear the head of patient with the head hoop, then the hand rotates first carousel and makes one-way lead screw rotatory, can make the internal thread pipe make during one-way lead screw is rotatory upwards or move down, thereby can adjust the height of casing, and then can make to lead out the claw and remove to patient's eye position department, then remove hand rotation second carousel again, make two-way lead screw rotatory, two-way lead screw can make two movable blocks keep away from the removal relatively, thereby can make connecting rod and fixed plate on two movable blocks keep away from the removal relatively and make to lead out the claw and prop open patient's lacrimal sac.

2. According to the lacrimal sac retractor, the telescopic rod is composed of the sleeve, the moving rod and the bolt, the transverse distance of the sleeve can be adjusted, and therefore the distance between the retracting claw and the eyes of a patient can be adjusted.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses released medical personnel's both hands, the medical personnel of being convenient for are to the treatment of patient's eye.

Drawings

Fig. 1 is a schematic structural view of a lacrimal retractor according to the present invention;

FIG. 2 is a schematic view of the internal structure of the sleeve and housing of FIG. 1;

FIG. 3 is a side view of the housing of FIG. 1;

fig. 4 is a schematic top view of the head band of fig. 1.

In the figure: the device comprises a head hoop 1, a telescopic rod 2, a sleeve 3, a shell 4, a retracting claw 5, an internal threaded pipe 6, a one-way lead screw 7, a first rotary table 8, a limiting slide block 9, a two-way lead screw 10, a moving block 11, a connecting rod 12, a fixed plate 13, a second rotary table 14, a sleeve 15, a moving rod 16 and a rubber ring 17.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a lacrimal sac retractor comprises a head hoop 1, a telescopic rod 2 is fixedly arranged on the right side wall of the head hoop 1, the cross section of the telescopic rod 2 is square, a sleeve 3 is fixedly arranged at one end, far away from the head hoop 1, of the telescopic rod 2, an elevating mechanism is arranged inside the sleeve 3, the lower end of the elevating mechanism extends to the outside of the sleeve 3 and is fixedly provided with a shell 4, two groups of retracting claws 5 are symmetrically arranged on the left side of one side of the shell 4, each group of retracting claws 5 are two, and an opening mechanism used for driving each group of retracting claws 5 to move is arranged inside the shell 4.

The lifting mechanism comprises a one-way lead screw 7, an internal thread pipe 6 and limiting sliders 9, the internal thread pipe 6 is positioned inside the sleeve 3, the one-way lead screw 7 is arranged inside the internal thread pipe 6 in a threaded manner, a first rolling bearing is embedded in the top of the sleeve 3, the upper end of the one-way lead screw 7 is rotatably connected with the top of the sleeve 3 through the first rolling bearing, the upper end of the one-way lead screw 7 extends to the outside of the sleeve 3, one end of the one-way lead screw 7, which is positioned outside the sleeve 3, is fixedly provided with a first rotary disc 8, the lower end of the internal thread pipe 6 extends to the outside of the sleeve 3 and is fixedly connected with the top of the shell 4, the limiting sliders 9 are respectively and fixedly arranged at the top of the pipe wall of the internal thread pipe 6, the two limiting sliders 9 are symmetrically arranged, the inner wall of the sleeve 3 is provided with limiting chutes matched with the two limiting sliders 9, the one, so that the height of the housing 4 can be adjusted and the retracting claw 5 can be moved to the eye position of the patient.

The opening mechanism comprises a bidirectional screw rod 10, moving blocks 11, connecting rods 12 and a fixing plate 13, the bidirectional screw rod 10 is vertically positioned in the shell 4, second rolling bearings are embedded in the top inner wall and the bottom inner wall of the shell 4, the upper end and the lower end of the bidirectional screw rod 10 are rotatably connected with the top inner wall and the bottom inner wall of the shell 4 through the second rolling bearings, the lower end of the bidirectional screw rod 10 extends to the lower part of the shell 4 and is fixedly provided with a second turntable 14, the moving blocks 11 are vertically and symmetrically positioned in the shell 4, the side walls of the two moving blocks 11 are slidably arranged in the shell 4, the lower sides of the two moving blocks 11 are respectively provided with a first threaded hole and a second threaded hole, the two moving blocks 11 are respectively in threaded connection with the upper side and the lower side of the rod wall of the bidirectional screw rod 10 through the first threaded hole and the second threaded hole, a strip-shaped hole for the connecting rod 12 to pass through is vertically formed in the left side wall of the shell 4, one end, far away from the moving blocks 11, of each connecting rod 12 is fixedly connected with the fixing plate 13, the retracting claws 5 are fixedly arranged on the surface of the fixing plate 13, the second rotating plate 14 is rotated, the bidirectional lead screw 10 rotates, the bidirectional lead screw 10 can enable the two moving blocks 11 to be relatively far away from and move, and therefore the connecting rods 12 and the fixing plate 13 on the two moving blocks 11 can be relatively far away from and move, and the retracting claws 5 can prop open lacrimal sac of a patient.

The telescopic rod 2 comprises a sleeve 15 and a moving rod 16, the sleeve 15 is fixedly arranged on the right side wall of the head hoop 1, the moving rod 16 is arranged inside the sleeve 15 in a sliding mode, the left end of the moving rod 16 extends to the outside of the sleeve 15 and is fixedly connected with the cylinder wall of the sleeve 3, the sleeve 15 and the moving rod 16 are fixedly connected through bolts, the transverse distance of the sleeve 3 can be adjusted, and therefore the distance between the retracting claw 5 and the eyes of a patient can be adjusted.

The fixed rubber circle 17 that is equipped with of inner wall of head band 1 can increase the frictional force between head band 1 and the patient to can wear head band 1 stably.

The utility model discloses in, during the use, medical personnel wear head hoop 1 at patient's head, then the hand rotates first carousel 8 and makes one-way lead screw 7 rotatory, can make internal thread pipe 6 upwards or move down during one-way lead screw 7 is rotatory, thereby can adjust the height of casing 4, and then can make and lead out claw 5 and remove to patient's eye position department, then remove hand rotation second carousel 14 again, make two-way lead screw 10 rotatory, two-way lead screw 10 can make two movable blocks 11 keep away from the removal relatively, thereby can make connecting rod 12 and fixed plate 13 on two movable blocks 11 keep away from the removal relatively and make and lead out claw 5 and prop open patient's dacryocyst, through with telescopic link 2 by sleeve pipe 15, carriage release lever 16 and bolt are constituteed, can adjust sleeve 3's lateral distance, thereby can adjust the distance of leading out claw 5 and patient's eye.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a dacryocyst retractor, includes head hoop (1), its characterized in that, the fixed telescopic link (2) that is equipped with of right side wall of head hoop (1), the fixed sleeve (3) that are equipped with of one end that head hoop (1) was kept away from in telescopic link (2), the inside of sleeve (3) is equipped with elevating system, elevating system's lower extreme extends to the outside of sleeve (3) and fixes and be equipped with casing (4), one side left side symmetry of casing (4) is equipped with two sets of claws (5) of leading out, every group lead out claw (5) and be two, the inside of casing (4) is equipped with and is used for driving every group lead out opening mechanism that claw (5) removed.

2. The lacrimal retractor according to claim 1, wherein the elevating mechanism comprises a one-way screw rod (7), an internal thread tube (6) and a limiting slider (9), the internal thread tube (6) is located inside the sleeve (3), the one-way screw rod (7) is disposed inside the internal thread tube (6) in a threaded manner, a first rolling bearing is embedded in the top of the sleeve (3), the upper end of the one-way screw rod (7) is rotatably connected with the top of the sleeve (3) through the first rolling bearing and the upper end of the one-way screw rod (7) extends to the outside of the sleeve (3), a first rotary disc (8) is fixedly disposed at one end of the one-way screw rod (7) located outside of the sleeve (3), the lower end of the internal thread tube (6) extends to the outside of the sleeve (3) and is fixedly connected with the top of the housing (4), the limiting slider (9) is respectively and fixedly disposed at the top of the internal thread tube (6), and two limiting sliding blocks (9) are symmetrically arranged, and limiting sliding grooves matched with the two limiting sliding blocks (9) are formed in the inner wall of the sleeve (3).

3. The lacrimal retractor according to claim 1, wherein the opening mechanism includes a bidirectional screw rod (10), moving blocks (11), a connecting rod (12) and a fixing plate (13), the bidirectional screw rod (10) is vertically located inside the housing (4), second rolling bearings are embedded in the top inner wall and the bottom inner wall of the housing (4), the upper end and the lower end of the bidirectional screw rod (10) are rotatably connected with the top inner wall and the bottom inner wall of the housing (4) through the second rolling bearings, the lower end of the bidirectional screw rod (10) extends to the lower side of the housing (4) and is fixedly provided with a second rotating disc (14), the moving blocks (11) are vertically and symmetrically located inside the housing (4), the side walls of the two moving blocks (11) are slidably located inside the housing (4), the lower sides of the two moving blocks (11) are respectively provided with a first threaded hole and a second threaded hole, the two moving blocks (11) are in threaded connection with the upper side and the lower side of the rod wall of the bidirectional screw rod (10) through first threaded holes and second threaded holes respectively, the connecting rods (12) are fixedly arranged on the left side walls of the two moving blocks (11) respectively, a strip-shaped hole for the connecting rods (12) to penetrate through is vertically formed in the left side wall of the shell (4), one ends, far away from the moving blocks (11), of the two connecting rods (12) are fixedly connected with the fixed plate (13) respectively, and the retracting claws (5) are fixedly arranged on the surface of the fixed plate (13).

4. The lacrimal retractor according to claim 1, wherein the telescopic rod (2) comprises a sleeve (15) and a moving rod (16), the sleeve (15) is fixedly arranged on the right side wall of the head band (1), the moving rod (16) is slidably arranged inside the sleeve (15), the left end of the moving rod (16) extends to the outside of the sleeve (15) and is fixedly connected with the wall of the sleeve (3), and the sleeve (15) and the moving rod (16) are fixedly connected through a bolt.

5. A lacrimal retractor according to claim 1, characterized in that the cross section of the telescopic rod (2) is square.

6. A lacrimal retractor according to claim 1, characterized in that the inner wall of the head band (1) is fixedly provided with a rubber ring (17).