JP2021074479A - Nail protector - Google Patents

Abstract

To provide a nail protection part that prevents anonychosis and that protects an affected region by compressive fixing capable of keeping an affected opening, stricken by a nail tip edge cleavage or a nail edge cleavage affecting a fingernail or a toenails, in a closed state.SOLUTION: A housing clearance 14 for inserting the vicinity of an opening is formed by first and second pressing legs 11 and 12 having rectangular flat plates bent from a connection part 13 in a mutually opposed manner so as to assume an approximately U-shaped cross-section. At least either of the first pressing leg 11 and the connection part 13 comprises a plastic deformation part.SELECTED DRAWING: Figure 1

Description

The present invention relates to a nail protector capable of fixing, reinforcing and protecting the onset opening of nail tip cleavage or nail margin dehiscence and the peripheral vicinity nail edge including the above-mentioned opening, and also preventing nail plate defect.

In the invention of the conventional tool capable of preventing the deformation of the nail, a nail deformation preventing tool capable of preventing the deformation of the nail plate by attaching to a substantially flat nail has been proposed.

For example, the nail protector invented earlier by the applicant of the present application, which can prevent the deformation of the nail plate and the splitting of the nail by suppressing the external pressure applied in the direction of deforming the nail by mounting it on the nail plate. Proposed. (Patent Document 1)

JP-A-2017-124145

However, the inventor of the present application has found that the nail protector described above has the following problems.

Cleavage of onycholysis or bifurcated nail rim with dehiscence of the tip of the nail in a two-piece shape, which is the cleaved part and the starting point of the dehiscence. In order to prevent the deterioration and development of each nail edge end opening (hereinafter referred to as an opening), the opening is fixed so as to be closed, and the bifurcated nail edge edge forming the opening is formed. It is necessary to stop the development of fatigue cleavage or fatigue dehiscence due to the opening and closing movement of the dehiscence site. The nail protective device described in Document 1 is provided with a nail protective portion that is brought into contact with the nail plate and a hook-shaped locking portion that is hooked on the nail edge portion. Certainly, the effect of protecting the crack portion can be found by contacting the nail plate side so as to cover the crack. However, in the opening that develops in a dehiscence shape at the claw edge, only a hook-shaped locking portion is hooked, and the opening / closing movement of the opening is not fixed so as to be able to close. As a result, the opening causes an opening / closing-like movement in the hook-shaped locking portion, which not only causes fatigue dehiscence or fatigue fracture of the onset opening site, but also causes contact with the nail plate side. There is a problem of inducing the attachment / detachment of the nail protection portion.

For example, it is a case where the nail protective device described in Document 1 is hung on a nail in which nail limbal disease develops on the lateral edge of the first toenail and the person walks. When observing the movement of the nail edge of the opening in the locking portion provided on the nail protector, since the opening is not closed and fixed, the period from the time of landing on the sole of the foot during walking to the time of standing and the time of taking off the toe In this series of movements, the first toenail fold is pressed from the ground, a ridge is generated, and the opening is widened. Next, when the leg is released from the ground, the claw frame released from the pressure on the ground returns to normal, and the opening is closed. In this way, each time one step is taken, the opening is continuously opened and closed in the locking portion, so that the opening may undergo fatigue dehiscence and a linear crack may extend to the nail plate side. is there. If it gets worse, there is a risk of fatigue fracture from the linear crack portion and development of a nail plate defect. From this, it was clarified that the nail protector described in Document 1 is not suitable for protecting the nail margin dehiscence. Further, even in the case of cleavage that develops at the tip edge of the nail, it is considered difficult to prevent fatigue peeling because the cleavage portion cannot be closed and fixed only by hooking at the locking portion.

As described above, the nail protector described in Document 1 protects the shape of the nail plate and the crack of the nail plate. There is no description or suggestion of the effect of closing the opening.

An object of the present invention is to protect the opening of the nail tip edge opening or the nail edge dehiscence that develops on the nail tip edge, and also to perform the nail tip edge fatigue detachment or the fatigue dehiscence of the nail edge fissure opening or the dehiscence portion. It is an object of the present invention to prevent the risk of nail plate defect due to fatigue fracture, and to provide a nail protector capable of protecting the opening and preventing nail plate defect due to fatigue peeling or fatigue fracture.

The nail protector of the present invention for solving the above problems is composed of the following technical means.

That is, according to the first aspect of the present invention, the opening which is the starting point of the onset of the tip edge of the nail and the dehiscence of the edge of the nail and the peripheral vicinity of the opening are inserted into the accommodating gap, and then the protective device is used. By pressurizing and plastically deforming the plastically deformed portion so that at least one of the first leg and the second leg provided is in close contact with the opening, the opening is clamped and fixed in a closed state. The opening and closing movement of the opening can be stopped, fatigue dehiscence or fatigue peeling can be prevented, and the nail plate defect due to fatigue fracture of the linear crack portion developed on the nail plate can also be prevented. In the claw protector, a rectangular flat plate made of at least one selected appropriately plastically deformable material from a metal or a polymer compound is used, and is bent from a joint so as to face each other to form a substantially U-shaped cross section. The mimicking first and second legs form a containment gap into which the claw edge can be inserted in an inset manner, and at least one of the first leg and the joint is made of metal. From the material, use a shape that allows plastic deformation by controlling the yield point of the plastic or elastic material, or from the resin material, use a volatile curable resin, a thermocurable resin, an energy ray-curable resin, or a polyfunctional acrylate. Using a single material or composite material appropriately selected from each material such as a monomer, the opening is closed with a plastically deformable portion formed to be plastically deformable by pressure of either pressing or pinching pressure. It is a claw protector that can be pinched and fixed in the state.

The invention according to claim 2 has elasticity capable of holding and fixing the opening developed in the claw edge to at least one of the first leg portion and the joint portion provided in the claw protector according to claim 1 in a closed state. A structure having an elastic acting portion selected from a metal, resin, rubber, elastomer, or composite material having an elastic stress that generates a pinching pressure, and the opening can be pinched and fixed in a closed state. Is.

As described above, according to the above-described configuration of the present invention, the opening / closing movement of the opening can be closed by the configuration of the nail protective device capable of fixing the opening of the nail tip edge opening or the nail edge dehiscence in the closed state. It is possible to prevent fatigue dehiscence or fatigue peeling, and it is also possible to prevent nail plate defect due to fatigue fracture of the linear crack site developed on the nail plate.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings as appropriate, but the present embodiments are not limited to the following contents, and may be arbitrarily modified as long as the gist of the present invention is not impaired. It is feasible.

Embodiment

An embodiment of the nail protector 01A will be described with reference to FIGS. 1, 3, and 4.

The nail protector 01A shown in FIG. 1 (a) of the first embodiment is made of plastically deformable aluminum, and faces each other and has an opening 21 of the nail edge dehiscence shown in FIG. It is composed of a first leg portion 11 and a second leg portion 12 forming an accommodating gap 14 into which the legs are inserted, and a joint portion 13 of the legs. The nail protector 01A of the embodiment has a longitudinal width of about 5 mm, a depth of the first leg of about 3 mm, a depth of the second leg of about 2 mm, a material thickness of about 0.2 mm, and a storage gap opening height of about 3 mm. Is formed in.

As shown in FIG. 1B, the nail protector 01A inserts the nail edge near the opening 21 into the accommodating gap 14, and allows the nail protector 01A to undergo plastic deformation. By pressurizing 13 and plastically deforming it so as to be in close contact with the opening 21 as shown in FIG. 3, the opening is pinched and fixed in a closed state for use.

An embodiment of the nail protector 02A will be described with reference to FIGS. 1, 3, and 4.

In the nail protector 02A of the second embodiment, the first leg portion 11 is formed by an elastic stainless steel plate so as to face each other and form an accommodating gap 14 into which the opening 21 shown in FIG. 4 is inserted. It is composed of a second leg portion 12 and a joint portion 13 of the leg portion. In the nail protector 02A of the embodiment, the longitudinal width = about 5 mm, the depth of the first leg = about 3 mm, the depth of the second leg = about 2 mm, the material thickness = about 0.2 mm, and the accommodation gap opening height = 0. It is integrally shaped to about 5 mm.

The nail protector 02A inserts the opening 21 and the nail edge in the vicinity of the opening 21 into the accommodating gap 14, and has elasticity provided in the first leg portion 11 and the joint portion 13 as shown in FIG. It is used by pinching and fixing at least the first leg with the first leg and the second leg so that the opening and closing movement of the opening 21 is brought into close contact with each other by the elastic action portion that generates the pinching pressure. It is a nail protector.

An embodiment of the nail protector 01B will be described with reference to FIGS. 2 and 4.

The nail protector 01B shown in FIG. 2A of the third embodiment is made of plastically deformable aluminum, and has the nail edge dehiscence opening 21 shown in FIG. 4 facing each other. A substantially rectangular shape provided on the first leg portion 11 and the second leg portion 12 forming the accommodating gap 14 to be inserted, the joint portion 13 of the leg portion, and the claw plate side side edge portion of the first leg portion 11. It is composed of a flat plate-shaped crack protection portion 15. The linear crack portion 22 shown in FIG. 4 develops in a shape with a short dehiscence width of approximately 1 mm and a longitudinal crack length of approximately 5 mm. The nail protector 01A of Example 3 provided with the crack protection portion 15 to be closed and adhered to the linear crack portion 22 has a longitudinal width of about 8 mm, a depth of about 3 mm, a material thickness of about 0.2 mm, and a storage gap. The opening height = about 4 mm, the crack protection portion 15 is formed by being integrally molded with the nail protector main body at a width = about 3 mm and a length in the center direction of the nail plate = about 8 mm at a substantially central portion in the longitudinal width direction of the first leg portion 11. ing.

The nail protector 01B of the third embodiment can easily follow the curved shape of the nail plate at an appropriate position on the side edge of the first leg portion in the direction of the nail plate, which constitutes the nail protectors 01A and 02A of the present invention. Use a material appropriately selected from metal-based to plastic or elastic materials and resin-based volatile curable resin or thermosetting resin, energy ray-curable resin, or polyfunctional acrylate monomer, which can be imitated and closely attached to the nail edge. A crack protection portion 15 having a size capable of covering at least the linear crack portion 22 extending from the opening 21 to the nail plate side and having a substantially rectangular flat plate shape capable of closing and adhering the opening 21 is provided. It is made up. The feature of the nail protector 01B is that the crack protector 15 provided in the eye protector 01B is laid down and fixed on the opening 21 of the linear crack so as to close the opening 21 of the linear crack portion. As a result, the nail plate 25 and the crack portion 22 are reinforced, and by suppressing bending deformation of the nail plate 25, opening / closing movement or expansion of the linear crack portion 22 can be suppressed, and the linear crack portion 22 can be suppressed. This is an example of each of the different embodiments of the nail protectors 01A and 02A, which can obtain the effect of preventing the fatigue fracture and the growth of cracks and the deformation of the nail plate. In addition, the opening 21 of the dehiscence portion can be hooked on socks or footwear to expand the dehiscence portion and prevent it from deteriorating.

When the nail protectors of the present invention are attached to the nails, an adhesive or an adhesive or a double-sided adhesive or an adhesive tape may be used in order to secure and stabilize the closing and fixing of the opening 21.

Effect of the invention

As the effect of the present invention, the following effects are exhibited.

According to the present invention, the structure capable of closing the opening / closing movement of the opening 21 can prevent the development of fatigue cleavage or fatigue dehiscence due to the opening / closing movement of the opening 21, and further, fatigue fracture of the nail plate dehiscence site. It has become possible to prevent the nail plate from being damaged due to the above. As described above, according to the present invention, it has become possible to prevent the dehiscence progress of the opening 21 extremely effectively as compared with the conventional one.

The present invention can be used in the medical and beauty device industries.

(A) is a perspective view showing Example 1 of the nail protector 01A of the present invention. (B) is a perspective view of an example in which the nail protector 01A is attached to the nail edge that has developed nail plate fissure. (A) is a perspective view showing Example 3 of the nail protector 01B of the present invention. (B) is a perspective view of an example in which the nail protector 01B is attached to a nail in which a linear crack has developed up to the nail plate. A vertical cross-sectional view showing a state in which the nail protector 01A is closely clamped and fixed to the nail edge. (A) is a perspective view of the first toe showing an example in which a nail margin dehiscence develops on the nail margin. (B) is a perspective view of the first toe showing an example in which a part of the nail edge is lost due to fatigue fracture of the nail plate.

01A is the nail protector 02A of the first embodiment, the nail protector 01B of the second embodiment is the nail protector 11 of the third embodiment, the first leg portion 12 is the second leg portion 13, and the joint portion 14 is The accommodating gap 15, the crack protection portion 21, the nail edge dehiscence opening 22, the linear crack portion 23, the nail edge portion 24, the nail plate defect 25, the nail plate

Claims (2)

After inserting each opening of the nail tip edge opening or nail edge dehiscence and the nail edge near the periphery of the opening into the accommodating gap provided in the nail protective device, the first leg portion provided in the nail protective device. The plastically deformed portion is pressed and plastically deformed so that at least one of the second legs is in close contact with the opening, so that the opening is clamped and fixed in a closed state, and the opening is fixed and fixed. In the nail protector that can be reinforced and protected
The openings and the openings are provided by the first and second legs, which are formed by bending rectangular flat plates made of a metal material, a resin material, or a composite material from a joint so as to face each other and imitate a substantially U-shaped cross section. A housing gap is formed in which the claw edge near the opening can be inserted in an inset shape.
Further, by providing at least one of the first leg portion and the joint portion with a portion capable of plastic deformation by pressurization, the opening can be clamped and fixed in a closed state. Protective equipment. An elastic action that generates an elastic pinching pressure capable of pinching and fixing at least the opening of the onset opening and the nail edge in the vicinity of the periphery of the opening inserted in the accommodating gap provided in the nail protective device in a closed state. The nail protector according to claim 1, wherein the portion is provided on at least one of the first leg portion and the joint portion, so that the opening can be clamped and fixed in a closed state.

Images