Cornea foreign body remover

Abstract

The utility model discloses a cornea foreign matter remover, which relates to the technical field of medical instruments and comprises a removing needle tube and a holding rod, one end of the removing needle tube is detachably connected with the holding rod, the other end of the removing needle tube is provided with a removing head, the removing head has a magnetic attraction function, and the removing needle tube and the holding rod are both of hollow structures and are internally communicated. The tail end of the holding rod can be communicated with a water source. According to the cornea foreign body remover, when sheet-shaped foreign bodies in the cornea are removed, the sheet-shaped foreign bodies can be limited through the formed clamping grooves, the foreign bodies are prevented from turning over frequently in the cornea, and therefore pain of a patient is prevented from being increased, and blinking and eyeball shaking of the patient are prevented from being stimulated; secreted liquid in the cornea can be gathered through the polishing surface and the magnetism of the magnetic surface, the flaky ferromagnetic foreign matter can be adsorbed, then the foreign matter removing speed is greatly increased, and the pain of a patient in the foreign matter removing process is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a corneal foreign body remover. Background Art

[0002] Corneal foreign bodies refer to an ophthalmic emergency caused by foreign objects such as ash, small insects, metal fragments and wood chips accidentally entering the cornea. Corneal foreign bodies are very common in industrially developed areas, and most of them are caused by sparks flying into the eyes when grinding metal with a grinding wheel, knocking rust or welding metal. The iron filings mostly enter the cornea in the form of flakes. At this time, a removal device is needed to remove the flake-like iron filings in the cornea. When the flake-like foreign objects are removed by the remover in the prior art, the flake-like foreign objects may not be fixed, resulting in frequent flipping of the flake-like foreign objects inside the cornea, increasing the patient's pain. At the same time, the frequent flipping of foreign objects inside the cornea may stimulate the eyelids to twitch, thereby increasing the difficulty of removing the foreign objects. Utility Model Content

[0003] The purpose of the utility model is to provide a corneal foreign body remover to solve the problems existing in the above-mentioned prior art, so that the difficulty of removing corneal foreign bodies is significantly reduced, the operation is simple, and the pain of patients during the removal process is effectively reduced.

[0004] To achieve the above purpose, the utility model provides the following solutions:

[0005] The utility model provides a corneal foreign body remover, comprising a removal needle tube and a holding rod, one end of the removal needle tube is detachably connected to the holding rod, and the other end is provided with a removal head, the removal head has a magnetic suction function, the removal needle tube and the holding rod are both hollow structures and are internally connected, and the end of the holding rod can be connected to a water source.

[0006] Preferably, a threaded sleeve is provided at one end of the ejection needle tube, and the threaded sleeve is connected to one end of the holding rod through a thread.

[0007] Preferably, the rejection head includes a magnetic surface and a slot, the rejection needle tube is made of a magnet, a beveled surface is provided at the end of the rejection needle tube, the beveled surface is a magnetic surface, and a plurality of the slots are provided on the beveled surface.

[0008] Preferably, four groups of the slots with different depths are arranged at equal intervals between the long end of the chamfered surface and the center surface.

[0009] Preferably, the inner wall of the long end of the chamfered surface is provided with an arc-shaped polished surface.

[0010] Preferably, the ejection needle tube outer sleeve is provided with a protective sleeve, and the protective sleeve is clamped with the end of the holding rod.

[0011] Preferably, a stopper made of ferromagnetic material is provided at the bottom of the protective sleeve, and an inclined surface is provided on the stopper, and the inclined surface matches the cutting angle of the beveled surface and can be magnetically adsorbed.

[0012] Preferably, a flange is provided at the end of the holding rod, and the flange is used to connect to the water inlet pipe.

[0013] Preferably, an anti-slip sleeve is provided on the outer surface of the gripping rod, and a plurality of convex rings are provided on the anti-slip sleeve at equal intervals.

[0014] Preferably, the anti-slip sleeve is made of rubber; and the gripping rod is made of stainless steel.

[0015] Compared with the prior art, the utility model has achieved the following technical effects:

[0016] The corneal foreign body remover of the utility model can absorb the sheet-like foreign bodies through magnetic adsorption when removing foreign bodies inside the cornea, thereby preventing the sheet-like foreign bodies from turning over and over during the operation, thereby greatly improving the speed of removing the foreign bodies and reducing the pain caused to the patient during the process of removing the foreign bodies. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a schematic diagram of the assembly structure of the corneal foreign body remover in the embodiment of the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the corneal foreign body remover in the embodiment of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the needle tube removed in the embodiment of the utility model;

[0021] In the figure: 1-holding rod, 11-flange, 12-anti-slip sleeve, 2-removal needle tube, 21-threaded sleeve, 22-protective sleeve, 23-magnetic surface, 24-slot, 25-polished surface, 26-stopper. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model aims to provide a corneal foreign body remover to solve the problems existing in the prior art, significantly reduce the difficulty of corneal foreign body removal, simplify the operation, and effectively reduce the pain of patients during the removal process.

[0024] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0025] like Figures 1 to 3 As shown, a corneal foreign body remover is provided in this embodiment, including a removal needle tube 2 and a holding rod 1, one end of the removal needle tube 2 is detachably connected to the holding rod 1, and the other end is provided with a removal head, the removal head has a magnetic suction function, the removal needle tube 2 and the holding rod 1 are both hollow structures and are internally connected, and the end of the holding rod 1 can be connected to a water source.

[0026] As an optional solution, in this embodiment, a threaded sleeve 21 is provided at one end of the rejection needle tube 2, and the threaded sleeve 21 is connected to one end of the holding rod 1 through a thread.

[0027] As an optional solution, in this embodiment, the rejecting head includes a magnetic surface 23 and a card slot 24, and a beveled surface is provided at the end of the rejecting needle tube 2. The rejecting needle tube 2 is made of a magnet, and the beveled surface is the magnetic surface 23, and a plurality of card slots 24 are provided on the beveled surface. The magnetic surface 23 can absorb iron filings by magnetism.

[0028] As an optional solution, in this embodiment, four groups of slots 24 with different depths are evenly spaced between the long end of the chamfered surface and the center surface. The slots 24 can be used to limit the position of sheet-like foreign objects of different sizes.

[0029] As an optional solution, in this embodiment, the inner wall of the long end (tip) of the chamfered surface is provided with an arc-shaped polished surface 25, and the mirror-like smooth design can facilitate the collection of liquid.

[0030] As an optional solution, in this embodiment, a protective sleeve 22 is provided on the outer cover of the rejection needle tube 2 , and the protective sleeve 22 is clamped with the end of the holding rod 1 , and the protective sleeve 22 can protect the rejection needle tube 2 .

[0031] As an optional solution, in this embodiment, a stopper 26 made of ferromagnetic material is provided at the bottom of the protective cover 22. A slope is provided on the stopper 26. The slope matches the cutting angle of the beveled surface and can be magnetically adsorbed. The stopper 26 can close and limit the magnetic surface 23.

[0032] As an optional solution, in this embodiment, a flange 11 is provided at the end of the holding rod 1 , and the flange 11 is connected to a water inlet pipe to facilitate access to a water source to completely clean the foreign matter inside the needle tube 2 .

[0033] As an optional solution, in this embodiment, an anti-slip cover 12 is provided on the outer surface of the gripping rod 1, and a plurality of convex rings are provided on the anti-slip cover 12 at equal intervals. The anti-slip cover 12 can prevent the gripping rod 1 from sliding in the doctor's hand.

[0034] As an optional solution, the material of the anti-slip cover 12 in this embodiment is rubber, which increases the comfort of holding. The material of the grip rod 1 is stainless steel, or other materials with sufficient hardness and easy processing.

[0035] The corneal foreign body remover of the present embodiment removes the flaky foreign bodies in the cornea by holding the anti-slip cover 12 and removing the foreign bodies in the cornea through the removal needle tube 2. When removing the flaky foreign bodies, the removal needle tube 2 can be engaged and limited by the provided card slot 4. At the same time, iron filings can be adsorbed by the magnetic surface 23 when encountering iron filings, and the flaky ferromagnetic foreign bodies can be magnetically adsorbed and limited, thereby effectively preventing the foreign bodies from turning over inside the cornea. At the same time, the polished surface 25 provided inside the magnetic surface 23, The secretion liquid inside the cornea can be effectively gathered, and the sheet-like foreign matter can be adsorbed and removed through the secretion liquid and the card slot 24, thereby improving the removal effect of the foreign matter; when the foreign matter is removed, the holding rod 1 can be connected with the external water inlet pipe (or the water inlet pipe can be opened), and the block 26 can be covered on the outside of the magnetic surface 23, and the block 26 can be fixed by magnetism. When water enters the removal needle tube 2 and the holding rod 1 through the source and is discharged through the card slot 24, the foreign matter inside the removal needle tube 2 is completely cleaned.

[0036] In this embodiment, the sheet-like foreign matter is limited by the card slot 24 to prevent the foreign matter from frequently turning over inside the cornea, thereby avoiding increasing the patient's pain and stimulating the patient's blinking and eye shaking. At the same time, the polished surface 25 gathers the secretion liquid in the cornea and the magnetism of the magnetic surface 23, so that the sheet-like ferromagnetic foreign matter can be smoothly adsorbed, thereby greatly improving the speed of removing the foreign matter and reducing the pain caused to the patient during the process of removing the foreign matter.

[0037] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A corneal foreign body remover, characterized in that: It includes a rejection needle tube and a holding rod, one end of the rejection needle tube is detachably connected to the holding rod, and the other end is provided with a rejection head, the rejection head has a magnetic suction function, the rejection needle tube and the holding rod are both hollow structures and are internally connected, and the end of the holding rod can be connected to a water source.

2. The corneal foreign body remover according to claim 1, characterized in that: A threaded sleeve is provided at one end of the ejection needle tube, and the threaded sleeve is connected to one end of the holding rod through a thread.

3. The corneal foreign body remover according to claim 1, characterized in that: The rejection head includes a magnetic surface and a slot. The rejection needle tube is made of a magnet. The end of the rejection needle tube is provided with an oblique surface, which is a magnetic surface. The oblique surface is provided with a plurality of slots.

4. The corneal foreign body remover according to claim 3, characterized in that: Four groups of the slots with different depths are arranged at equal intervals between the long end of the chamfered surface and the center surface.

5. The corneal foreign body remover according to claim 3, characterized in that: The inner wall of the long end of the chamfered surface is provided with an arc-shaped polished surface.

6. The corneal foreign body remover according to claim 3, characterized in that: The outer sleeve of the ejection needle tube is provided with a protective sleeve, and the protective sleeve is clamped with the end of the holding rod.

7. The corneal foreign body remover according to claim 6, characterized in that: A stopper made of ferromagnetic material is arranged at the bottom of the protective sleeve, and an inclined surface is arranged on the stopper. The inclined surface matches the cutting angle of the beveled surface and can be magnetically adsorbed.

8. The corneal foreign body remover according to claim 1, characterized in that: A flange is arranged at the end of the holding rod, and the flange is used for connecting the water inlet pipe.

9. The corneal foreign body remover according to claim 1, characterized in that: An anti-slip sleeve is arranged on the outer surface of the gripping rod, and a plurality of convex rings are arranged on the anti-slip sleeve at equal intervals.

10. The corneal foreign body remover according to claim 9, characterized in that: The material of the anti-slip sleeve is rubber; the material of the holding rod is stainless steel.

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