CN221154486U

CN221154486U - Lacrimal sac pressing device

Info

Publication number: CN221154486U
Application number: CN202321855925.5U
Authority: CN
Inventors: 王慧; 孟令楠; 杨钧; 沈志奇
Original assignee: Third Medical Center of PLA General Hospital
Current assignee: Third Medical Center of PLA General Hospital
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2024-06-18
Anticipated expiration: 2033-07-14

Abstract

The utility model discloses a lacrimal sac pressing device, which relates to the technical field of pressing lacrimal sacs and comprises a first connecting rod, wherein a nose support is welded on one side of the first connecting rod, a knob is arranged on the other side of the first connecting rod, a limiting block is fixedly arranged at one end of the knob, a sliding rod is fixedly arranged at one end of the limiting block, a rotating rod is connected to the outer side of the sliding rod in a sliding manner, a gear is fixedly arranged at the outer side of the rotating rod, racks are meshed with the upper end of the gear and the lower end of the gear, connecting blocks are arranged on two sides of the gear, two connecting rods III are welded at one end of each connecting block, and a rubber pad is welded at one end of each connecting rod III. According to the utility model, by arranging the gears and the racks, the distance between the two rubber pads can be adjusted by rotating the knob for different crowds, so that the distance between the two pressing assemblies can be adjusted, and the optimal pressing effect can be achieved for different crowds.

Description

Lacrimal sac pressing device

Technical Field

The utility model relates to the technical field of lacrimal sac pressing, in particular to a lacrimal sac pressing device.

Background

The saccular structure of the lacrimal sac, which is positioned at the front lower part in the lacrimal fossa formed by the lacrimal bone and the frontal process of the maxilla, is the most enlarged part of the whole lacrimal passage. The top of the lacrimal sac is a blind end, the highest part of the lacrimal sac is about 2-3 mm above the inner canthus, the middle part of the lacrimal sac is provided with an opening of a lacrimal canaliculus, the lower opening is continuous to the nasolacrimal duct, and the lumen at the junction of the nasolacrimal duct and the nasolacrimal duct is narrow without obvious limit. The shape of the normal lacrimal sac approximately conforms to the lacrimal fossa and takes a pear shape. When the eyes are mydriasis, two fingers are needed to press the dacryocyst for ten minutes after the eye drops are dripped, the time of occupying two hands is long, and other actions are difficult to perform in the middle.

In the prior art, as disclosed in chinese patent CN216221980U, a "pressing device for lacrimal sac region" comprises a bracket, wherein pressing components are symmetrically arranged in the middle of the bracket, the pressing components comprise a supporting rod, one end of the supporting rod is fixedly connected to the bracket, the side surface of the other end is provided with a mounting plate, and one side of the mounting plate is provided with a miniature electric telescopic rod; an elastic pressing ball is arranged at the end part of the miniature electric telescopic rod, the elastic pressing ball is made of rubber materials, and a layer of disposable sticker is adhered to the outer side of the elastic pressing ball; the bottom of the mounting plate is provided with a timing controller which controls the miniature electric telescopic rod to work.

However, in the prior art, the pressing component of the existing device is a fixing component, and for different people, the positions of the lachrymal sacs are also deviated, after the device is worn, the lachrymal sacs of part of the people are not contacted with the pressing component, and the pressure between the lachrymal sacs of part of the people and the pressing component is high, so that the lachrymal sacs are possibly damaged.

Disclosure of utility model

The utility model aims to solve the problems that the pressing component of the existing device in the prior art is a fixing piece, the positions of lachrymal sacs are also deviated for different people, after the device is worn, the lachrymal sacs of part of people are not contacted with the pressing component, and the pressure between the lachrymal sacs of part of people and the pressing component is high, so that the lachrymal sacs are possibly damaged.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a dacryocystis pressing device, includes connecting rod one, one side welding of connecting rod one has the nose to hold in the palm, the opposite side of connecting rod one is provided with the knob, the one end fixed mounting of knob has the stopper, the one end fixed mounting of stopper has the slide bar, the outside sliding connection of slide bar has the dwang, the outside fixed mounting of dwang has the gear, the upper end of gear with the lower extreme of gear all meshes there is the rack, the both sides of gear all are provided with the connecting block, the one end welding of connecting block has two connecting rods three, two the one end welding of connecting rod three has the rubber pad, one side fixed mounting of rubber pad has the pressing component.

Preferably, a limit groove is formed in one side of the first connecting rod, a round groove is formed in one end of the limit groove, a second sliding groove is formed in one end of the round groove, and the outer side of the limit block is matched with the inner portion of the limit groove.

Preferably, two second connecting rods are welded on one side of the first connecting rod, and rubber bands are fixedly arranged between the two second connecting rods.

Preferably, one side of the first connecting rod is provided with four first sliding grooves, and the third connecting rod is respectively and slidably connected with the four first sliding grooves.

Preferably, the upper end of one of the connecting blocks is fixed with the lower end of one of the racks, and the lower end of the other connecting block is fixed with the upper end of the other rack.

Preferably, the upper end of one rack is slidably connected with the top of the second chute, and the lower end of the other rack is slidably connected with the bottom of the second chute.

Preferably, the inside of the circular groove is rotationally connected with the outer side of the rotating rod, and the inside of the first sliding groove is communicated with the inside of the second sliding groove.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. According to the utility model, by arranging the gears and the racks, the distance between the two rubber pads can be adjusted by rotating the knob for different crowds, so that the distance between the two pressing assemblies can be adjusted, and the optimal pressing effect can be achieved for different crowds.

2. According to the utility model, through the arrangement of the limiting block and the limiting groove, when the device is used, after the distance between the two pressing assemblies is adjusted, the knob can be pressed down, so that the knob drives the limiting block to move towards the inside of the first connecting rod, and further drives the sliding rod to slide in the rotating rod until the limiting block is clamped in the limiting groove, and the knob is difficult to rotate due to the large friction between the limiting block and the limiting groove, so that the device is ensured to stably press the two lacrimal sacs.

Drawings

Fig. 1 is a schematic perspective view of a lacrimal sac pressing device according to the utility model;

Fig. 2 is a schematic perspective view of a lacrimal sac pressing device according to the utility model;

FIG. 3 is a schematic view of a partial cross-sectional structure of a lacrimal sac pressing device according to the utility model;

fig. 4 is a schematic view of a portion of a lacrimal sac pressing device according to the utility model.

Legend description: 1. a first connecting rod; 2. a second connecting rod; 3. a rubber band; 4. a nose pad; 5. a first chute; 6. a third connecting rod; 7. a rubber pad; 8. a pressing assembly; 9. a knob; 10. a limiting block; 11. a slide bar; 12. a rotating lever; 13. a gear; 14. a rack; 15. a connecting block; 16. a limit groove; 17. a circular groove; 18. and a second chute.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Example 1

As shown in fig. 1-4, the utility model provides a lacrimal sac pressing device, which comprises a first connecting rod 1, wherein a nose support 4 is welded on one side of the first connecting rod 1, a knob 9 is arranged on the other side of the first connecting rod 1, a limiting block 10 is fixedly arranged at one end of the knob 9, a sliding rod 11 is fixedly arranged at one end of the limiting block 10, a rotating rod 12 is slidingly connected to the outer side of the sliding rod 11, a gear 13 is fixedly arranged at the outer side of the rotating rod 12, racks 14 are meshed with the upper end of the gear 13 and the lower end of the gear 13, connecting blocks 15 are arranged on two sides of the gear 13, two connecting rods three 6 are welded on one end of each connecting block 15, a rubber pad 7 is welded on one end of each connecting rod three 6, a pressing component 8 is fixedly arranged on one side of each rubber pad 7, two connecting rods two 2 are welded on one side of each connecting rod 1, a rubber pad 3 is fixedly arranged between each connecting rod two connecting rods 2, the upper end of one connecting block 15 is fixedly connected with the lower end of one rack 14, and the lower end of the other connecting block 15 is fixedly connected with the upper end of the other rack 14.

The specific setting and effect of this embodiment are put on in the following in particular, when using the device, wear the device on the head, with nose holds in the palm 4 and nasal part alignment and laminating, afterwards clockwise rotation knob 9 makes knob 9 drive stopper 10 clockwise rotation, and then drive dwang 12 clockwise rotation, dwang 12 can drive gear 13 clockwise rotation, and then drive rack 14 of upper end to move right, gear 13 can also drive rack 14 of lower extreme to move left, thereby drive two connecting blocks 15 and be close to each other, two stopper 10 are close to each other can drive four connecting rods three 6 and be close to each other and then drive two rubber pads 7 and move each other, until two rubber pads 7 are laminated with the cheek ditch mutually, two pressing component 8 can press two dacryocystion this moment, make to different crowds, can adjust the distance between two rubber pads 7 through rotatory knob 9, and then adjust the distance between two pressing component 8, thereby can reach best pressing effect to different crowds.

Example two

As shown in fig. 3, a limit groove 16 is formed on one side of the first connecting rod 1, a round groove 17 is formed at one end of the limit groove 16, a second sliding groove 18 is formed at one end of the round groove 17, the outer side of the limit block 10 is matched with the inner side of the limit groove 16, four first sliding grooves 5 are formed on one side of the first connecting rod 1, four third connecting rods 6 are respectively and slidably connected with the four first sliding grooves 5, the upper end of one rack 14 is slidably connected with the top of the second sliding groove 18, the lower end of the other rack 14 is slidably connected with the bottom of the second sliding groove 18, the inner side of the round groove 17 is rotatably connected with the outer side of the rotating rod 12, and the inner sides of the four first sliding grooves 5 are all communicated with the inner side of the second sliding groove 18.

The whole embodiment of the device has the advantages that when the device is used, after the distance between the two pressing assemblies 8 is adjusted, the knob 9 can be pressed, so that the knob 9 drives the limiting block 10 to move towards the inside of the first connecting rod 1, and then the sliding rod 11 is driven to slide in the rotating rod 12 until the limiting block 10 is clamped in the limiting groove 16, and the knob 9 is difficult to rotate due to the large friction between the limiting block 10 and the limiting groove 16, so that the device is ensured to stably press two lacrimal sacs.

The application method and the working principle of the device are as follows: when the device is used, the nose support 4 is worn on the head, the nose support is aligned with and attached to the nose, then the knob 9 is rotated clockwise, the knob 9 drives the limit block 10 to rotate clockwise, the rotary rod 12 is driven to rotate clockwise, the rotary rod 12 drives the gear 13 to rotate clockwise, the rack 14 at the upper end is driven to move rightwards, the gear 13 also drives the rack 14 at the lower end to move leftwards, so that two connecting blocks 15 are driven to be close to each other, two limit blocks 10 are mutually close to each other, four connecting rods three 6 are mutually close to each other, two rubber pads 7 are driven to move mutually, until the two rubber pads 7 are attached to cheek furrows, at the moment, two pressing assemblies 8 can press two dacryocystis, so that the device can achieve the optimal pressing effect for different people, the knob 9 is pressed down again, the knob 9 drives the limit block 10 to move towards the inside of the connecting rod 1, and then drives the sliding rod 11 to slide in the inside of the rotary rod 12 until the limit block 10 is clamped in the limit groove 16, and large friction is generated between the limit block 10 and the limit groove 16, and the two dacrystion is difficult to stably press the two dacrystis.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides a dacryocystis pressing device, includes connecting rod one (1), its characterized in that: one side welding of connecting rod one (1) has nose to hold in palm (4), the opposite side of connecting rod one (1) is provided with knob (9), the one end fixed mounting of knob (9) has stopper (10), the one end fixed mounting of stopper (10) has slide bar (11), the outside sliding connection of slide bar (11) has dwang (12), the outside fixed mounting of dwang (12) has gear (13), the upper end of gear (13) with the lower extreme of gear (13) all meshes there is rack (14), the both sides of gear (13) all are provided with connecting block (15), the one end welding of connecting block (15) has two connecting rod three (6), two the one end welding of connecting rod three (6) has rubber pad (7), one side fixed mounting of rubber pad (7) has pressing component (8).

2. The lacrimal depressing device of claim 1, wherein: one side of the first connecting rod (1) is provided with a limiting groove (16), one end of the limiting groove (16) is provided with a round groove (17), one end of the round groove (17) is provided with a second sliding groove (18), and the outer side of the limiting block (10) is matched with the inner part of the limiting groove (16).

3. The lacrimal depressing device of claim 1, wherein: one side of the first connecting rod (1) is welded with two second connecting rods (2), and rubber bands (3) are fixedly arranged between the two second connecting rods (2).

4. The lacrimal depressing device of claim 2, wherein: four first sliding grooves (5) are formed in one side of each first connecting rod (1), and four third connecting rods (6) are respectively connected with the four first sliding grooves (5) in a sliding mode.

5. The lacrimal depressing device of claim 1, wherein: the upper end of one connecting block (15) is fixed with the lower end of one rack (14), and the lower end of the other connecting block (15) is fixed with the upper end of the other rack (14).

6. The lacrimal depressing device of claim 2, wherein: the upper end of one rack (14) is in sliding connection with the top of the second chute (18), and the lower end of the other rack (14) is in sliding connection with the bottom of the second chute (18).

7. The lacrimal depressing apparatus of claim 4, wherein: the inside of the round groove (17) is rotationally connected with the outer side of the rotating rod (12), and the inside of the four first sliding grooves (5) is communicated with the inside of the second sliding grooves (18).