Cornea foreign body remover

Abstract

The utility model relates to the technical field of corneal foreign matter cleaning, and provides a corneal foreign matter remover which comprises a needle tube and a needle head, the interior of the needle tube is hollow, the needle head is arranged at the end of the needle tube, a 120-degree bend is arranged at the position, 200-300 micrometers away from the needle tube, of the needle head, a round and smooth chamfer is arranged on the outer side of the bend of the needle head, and the round and smooth chamfer is connected with the needle head. And the end part of the needle head is a sharp inclined surface. The device can be used for scraping superficial foreign matters like a spoon, can be used for hooking deep corneal foreign matters like a hook, and can be used for cutting rust rings of magnetic foreign matters remained on a corneal stroma layer like a curved knife. The suture removing device is also an edge tool for suture removing after corneal transplantation and corneal laceration suture, and the degree of iatrogenic injury generated in the suture removing process can be reduced to the minimum degree.

Description

TECHNICAL FIELD

[0001] The utility model relates to corneal foreign body cleaning technical field, concretely relates to a corneal foreign body extractor. BACKGROUND

[0002] China is an industrial power, and the number of workers engaged in mechanical operation is huge. Due to improper personal protection measures, magnetic corneal foreign bodies are very common in China. The corneal damage to young adult patients is large, which brings patients discomfort such as eye pain, photophobia, tearing, foreign body sensation, etc. Some foreign bodies are large and deep, and permanent scars will be left after corneal foreign body removal surgery in patients. In particular, corneal foreign bodies located in the pupil area have a greater impact on vision after foreign body removal surgery.

[0003] The treatment method of corneal foreign body is: firstly, the corneal foreign body is removed, and secondly, the local inflammation is treated by dropping antibiotic eye drops. If the local wound is large and deep after corneal foreign body removal surgery, the patient also needs to drop eye drops of corneal epithelial repair drugs to promote the repair of corneal epithelium. In the process of removing corneal foreign bodies, doctors generally use a 1ml syringe needle to remove foreign bodies. Some patients do not cooperate well during the operation process due to nervousness or other factors, such as frequent eye movement and blinking. The needle of the 1ml syringe is sharp, and during the operation process, if the patient's eye suddenly moves, the 1ml injection needle may be inserted into the deep cornea or penetrate the cornea, causing corneal perforation, and even causing endophthalmitis. Magnetic corneal foreign bodies may generate rust rings, which often infiltrate into the deep cornea and are difficult to completely remove at one time. The residual rust ring makes the cornea recover poorly.

[0004] Therefore, the present application is proposed. CONTENT OF THE UTILITY MODEL

[0005] The present application provides a corneal foreign body extractor to solve the technical problem that doctors generally use a 1ml syringe needle to remove foreign bodies in the prior art. Some patients do not cooperate well during the operation process due to nervousness or other factors, such as frequent eye movement and blinking. The needle of the 1ml syringe is sharp, and during the operation process, if the patient's eye suddenly moves, the 1ml injection needle may be inserted into the deep cornea or penetrate the cornea, causing corneal perforation, and even causing endophthalmitis. The above technical purpose of the utility model is realized by the following technical scheme:

[0006] A corneal foreign body extractor includes a needle tube and a needle. The needle tube is hollow inside. The needle is arranged at the end of the needle tube. The needle is provided with a 120-degree bend at a distance of 200-300 microns from the needle tube. The outside of the bend of the needle is provided with a smooth chamfer. The end of the needle is a sharp bevel.

[0007] Further, the needle tube port is provided with a puncture bevel cutout.

[0008] Further, the needle tube is a 26G 1ml syringe.

[0009] Further, the needle head is arranged at the extension position of the puncture bevel cut.

[0010] Further, the needle tube is made of the same material as the needle head.

[0011] Further, the needle tube and the needle head are integrally formed.

[0012] Compared with the prior art, the beneficial effects of the utility model include:

[0013] The application can scrape off superficial foreign matters like a spoon, hook off deep corneal foreign matters like a hook, and cut off magnetic foreign matter residues in the corneal stroma layer like a curved knife. It is also a sharp tool for the suture removal after corneal transplantation and corneal laceration suture, and can reduce the iatrogenic injury to the minimum degree during the suture removal process. During the corneal suture removal process, only the needle tip is needed to hook the corneal suture, and then the suture is cut off by changing the angle, thereby improving the work efficiency, making the ophthalmologist handle the corneal foreign matter and corneal suture removal patient with ease, being safe and fast, small in injury, and convenient for beginners to remove the corneal foreign matter and corneal suture. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model.

[0015] In the figure: 1, needle tube; 2, needle head. DETAILED DESCRIPTION

[0016] In the description of the utility model, it should be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and are not indicative or implied that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicative or implied relative importance.

[0017] In the description of the utility model, it is necessary to explain that, unless there are explicit provisions and limitations, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or it can be detachable connection, or it can be integrally connected, it can be mechanical connection, or it can be electrical connection, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements, for ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0018] In order to make the purpose, technical scheme and advantages of the utility model more clear and explicit, the utility model is further described in detail below in combination with specific embodiments and with reference to the drawings.It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model.In addition, in the following description, the description of the known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.

[0019] Please refer to the accompanying Figure 1 A corneal foreign body remover includes a needle tube and a needle head, the needle tube is hollow inside, the needle tube is a 26G 1ml syringe, the needle tube port is provided with a puncture bevel cut, the needle head is arranged at the end of the needle tube, the needle head is provided with a 120-degree bend at a distance of 200-300μm from the needle tube, the outer side of the needle head bend is provided with a smooth chamfer, the end of the needle head is a sharp bevel, the needle head is arranged at the extension position of the puncture bevel cut, the needle tube and the needle head are made of the same material, and the needle tube and the needle head are integrally formed.

[0020] By adopting the above technical scheme, the needle head is bent 90° perpendicularly to the bevel at the length of 200-300μm at the end of the 26G 1ml syringe, which can quickly remove various corneal foreign bodies, will not damage the cornea due to poor patient compliance (the bevel with a hook faces away from the cornea of the patient), and can also eliminate the risk of the needle head piercing the cornea. The application can not only scrape off the superficial foreign matter like a spoon, but also hook off the deep corneal foreign matter like a hook, and also can cut off the rust ring of the magnetic foreign matter remaining in the corneal stroma like a curved knife. It is a sharp tool for removing the suture after corneal transplantation and corneal laceration suture, which can reduce the iatrogenic damage to the minimum degree during the suture removal process, and only needs to hook the corneal suture with the needle tip during the corneal suture removal process, and then changes the angle to cut off the suture, thereby improving the work efficiency, making the ophthalmologist handle the outpatient corneal foreign body and corneal suture removal patient handy, which is safe and fast, has small damage, and is convenient for beginners in ophthalmology to remove corneal foreign bodies and remove corneal sutures.

[0021] It should be understood that the above specific embodiments of the present application are only used for illustrative or explanatory purposes of the principles of the present application, and do not constitute a limitation on the present application. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present application shall be included in the protection scope of the present application. In addition, the appended claims of the present application are intended to cover all changes and modifications falling within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.

Claims

1. A corneal foreign body remover characterized by, The needle tube is internally hollow, and the needle head is arranged at the end of the needle tube, and the needle head is provided with a 120-degree bending at a distance of 200-300 μm from the needle tube, and the outside of the bending of the needle head is provided with a smooth chamfer, and the end of the needle head is a sharp bevel.

2. A corneal foreign body remover according to claim 1, wherein The needle tube port is provided with a puncture bevel cut.

3. A corneal foreign body remover according to claim 1, wherein The needle tube is a 26G 1ml syringe.

4. A corneal foreign body remover according to claim 2, wherein The needle head is arranged at the extension position of the puncture bevel cut.

5. The corneal foreign body remover according to claim 1, wherein The needle tube and the needle head are made of the same material.

6. A corneal foreign body remover according to claim 1, wherein The needle tube and the needle head are integrally formed.

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