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A multifunctional alcohol storage tank for prk surgery

A multi-functional, alcohol-based technology, applied in the field of surgical instruments and surgical instruments in medicine, can solve problems such as alcohol leakage, ocular surface damage, and ineffective effects, and achieve the effects of improving efficiency, moving safely and stably, and reducing labor costs.

Active Publication Date: 2019-02-26
NANJING FIRST HOSPITAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 2) Micro-toothed tweezers fix the eyeball at a single point, and the effect is not good. If the patient exerts a lot of force, the eyeball still moves or rotates, resulting in the risk of alcohol leakage, and the leaked alcohol may damage the eyeball. Cause some damage

Method used

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  • A multifunctional alcohol storage tank for prk surgery
  • A multifunctional alcohol storage tank for prk surgery
  • A multifunctional alcohol storage tank for prk surgery

Examples

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Embodiment

[0022] A multifunctional alcohol storage tank for PRK surgery of this embodiment, such as Figure 1 to Figure 4 As shown, it includes a handle 1, an elastic member 2, an annular eyeball fixator 3 and a corneal epithelial trephine 5. The eyeball fixer 3 is used to fix the eyeball 4, and the corneal epithelial trephine 5 is pressed on the surface of the cornea of ​​the eye. The upper end of the corneal epithelial trephine 5 should be higher than the top of the eye cornea, so as to ensure that the entire central cornea is completely immersed when the alcohol is injected. Anti-slip stripes are made on the handle 1.

[0023] The corneal epithelial trephine 5 is located in the eyeball fixer 3 and is arranged concentrically with the eyeball fixer, and the eyeball fixer 3 is fixed at one end of the handle 1. The intersection of the bottom surface of the eyeball fixator 3 and the inner ring surface is made into a curved surface that matches the curvature of the corneal surface of the ey...

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Abstract

The invention relates to a multifunctional alcohol storage tank for PRK, and belongs to the technical field of surgical instruments in medical science. The surgical instruments in medical science comprises a handle, elastic parts, a circular-ring-shaped ophthalmostat and a corneal epithelium trephine, the corneal epithelium trephine is located in the ophthalmostat and arranged with the ophthalmostat in a concentric mode, the ophthalmostat is fixed at one end of the handle, the junction of the bottom face and the inner ring surface of the ophthalmostat is made to be a curved surface, at least two grooves which are uniformly distributed around the edge of the inner ring surface and extend in the axial direction of the inner ring are formed in the inner ring surface of the ophthalmostat, at least two strip-shaped connecting shafts are fixed to the outer ring surface of the corneal epithelium trephine, each strip-shaped connecting shaft extends into one groove and can slide up and down along the groove, the elastic parts are arranged in the grooves, and the two ends of each elastic part are fixed to the corresponding groove and one end of the corresponding connecting shaft respectively. The multifunctional alcohol storage tank has the two functions of fixing an eyeball and making a corneal epithelium flap, and one person can conduct PRK operation conveniently.

Description

Technical field [0001] The invention relates to a surgical instrument used for PRK surgery, and belongs to the technical field of surgical instruments in medicine. Background technique [0002] The full name of PRK is (Photorefractive keratectomy), which means laser optical keratectomy. The principle of the operation is to use alcohol to loosen and scrape the corneal epithelium and apply an excimer laser to cut the central anterior surface of the cornea, that is, to remove the pre-elastic layer and superficial layer of the epithelium. The layer of stroma reduces the curvature of the front surface of the cornea to correct myopia. [0003] During the previous PRK operation, the applicant found that the existing surgical instruments had the following shortcomings: [0004] 1) When the patient’s cooperation is not good and the eyeball is frequently rotated, the surgeon needs to hold the eyeball in one hand with the toothed forceps, and press the corneal epithelial trephine lightly on th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F9/008
CPCA61F9/0008A61F9/008A61F2009/0052A61F2009/00853A61F2009/00872A61F2009/00885
Inventor 赵峰张玮王玉凤
Owner NANJING FIRST HOSPITAL
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