JP6147804B2 - Ingrown nail corrector - Google Patents

Description

  The present invention relates to an ingrown nail correction tool for correcting an ingrown nail that is attached to an ingrown nail that is generated in a big toe nail and in which both ends of the nail are involved.

  Patent Document 1 includes a correction plate that is formed from an elastic metal plate and is long in the nail width direction, and a plurality of claws that are formed on the edge of the correction plate and mesh with the tip of the deformed nail that is an ingrown nail. A deformed nail corrector is disclosed.

  When the deformed nail is corrected with the deformed nail corrector, the nail tip of the ingrown nail is engaged with the correction plate and the hook.

JP 2007-244851 A

  In Patent Document 1, as described in paragraph 0018, the deformed nail corrector uses a size corresponding to the length in the width direction of the deformed nail so as to be compatible with deformed nails of various patients. It will be. Accordingly, a plurality of deformed nail correctors having an appropriate size between 15 and 25 mm are prepared in advance, selected and used.

  However, since there are only a few types of deformed nail correctors prepared in advance, such as large, medium, and small, there is a problem that a deformed nail corrector having an optimum width cannot be attached to deformed nails having different widths individually. .

  An object of the present invention is to provide an ingrown nail correction tool that can solve the above-mentioned problems, can be adjusted in size, and can easily correct an ingrown nail including a wound nail.

Ingrown nail correction tool according to the present invention for achieving the above object, by bending the metal plate in a U-shape so as to form parallel via the main board section and the sub-substrate section connecting plate, nail A plurality of claw mounting portions to be pushed so as to sandwich the claw between the main substrate portion and the sub substrate portion from the front, and a connection between these claw mounting portions, and a straight line formed from a superelastic body or a shape memory body The ingrown nail correction tool composed of a connecting member made of a single rod having a restoring force to be shaped, and a lateral groove portion that fits the connecting material on the front surface or the back surface of the main board portion, Or the horizontal hole part which penetrates the said connection material in the said main board | substrate part is provided so that it may orthogonally cross in the said pushing direction .

  The ingrown nail correction tool according to the present invention can be selected to have an arbitrary size and an arbitrary correction force according to the size of the patient's ingrown nail and the condition of the ingrown nail, and is optimal for the patient. Can correct ingrown nails.

It is a perspective view of the ingrown nail correction tool of Example 1. It is a perspective view of a nail | claw attaching part. It is explanatory drawing at the time of fixing a connection material to a nail | claw attaching part. It is sectional drawing of the state which attached the ingrown nail correction tool to the ingrown nail. It is a front view of the state which attached the ingrown nail correction tool to the ingrown nail. It is a perspective view of the state which attached the ingrown nail correction tool to the ingrown nail. It is a perspective view of the ingrown nail correction tool of Example 2. It is a perspective view of the state which attached the ingrown nail correction tool to the ingrown nail. It is a perspective view of the ingrown nail correction tool of Example 3. It is a perspective view of the state which attached the ingrown nail correction tool to the ingrown nail. It is a perspective view of the ingrown nail correction tool of Example 4. It is a perspective view of the state which attached the ingrown nail correction tool to the ingrown nail.

  The present invention will be described in detail based on the embodiments shown in the drawings.

  FIG. 1 is a perspective view of the ingrown nail corrector according to the first embodiment. The ingrown nail corrector 10 is composed of a plurality of nail attachment portions 20 and a connection member 30 that connects these nail attachment portions 20 and is formed of a super elastic body or a shape memory rod.

  The size of the claw mounting portion 20 is about 3 mm in length, 1.5 mm in width, and about 1.5 mm in height, and is made of a metal material having elasticity and corrosion resistance, such as a titanium alloy.

  The connecting member 30 is a metal body of a super elastic body or a shape memory body that functions to return to the original linear state, and is formed into a wire-like rod body with a circular cross section, and when deformed, it tries to return to a straight line. Power works.

  For the diameter of the connecting material 30, for example, a plurality of appropriate sizes within a range of 0.2 to 0.6 mm are prepared, for example, in units of 0.1 mm, and they are selectively used according to the size of the patient's nails and the condition of the ingrown nail. The thicker the diameter, the stronger the elastic force, that is, the restoring force to return to the original. Therefore, for a patient with a large nail or a severely ingrown nail, a thick connecting material 30 having a strong elastic force is selected. It is preferable.

  The length of the connecting material 30 is used by cutting the wire-shaped connecting material 30 to an appropriate length within 16 to 20 mm according to the nail width of the patient. Moreover, you may prepare the connection material 30 of several length in a 0.5mm unit within 16-20mm previously.

  FIG. 2 is a perspective view of the claw mounting portion. The claw mounting portion 20 is formed by bending an elastic metal plate having a thickness of about 1 mm into a U shape. The main board part 21 and the sub board part 22 having a shorter length than the main board part 21 are formed in parallel via the connecting plate 23, and the leading ends of the main board part 21 and the sub board part 22 are The main board portion 21 and the sub board portion 22 can be elastically expanded. In this embodiment, the thickness of the sub-board portion 22 becomes thinner toward the tip, but the sub-board portion 22 having the same thickness may be used without being made thin.

  At the time of mounting, the gap T between the back of the nail, the main board portion 21 and the sub board portion 22 is about 0.5 mm, which is the same as the thickness of a general nail. Note that there is no problem even if the tips of the main board portion 21 and the sub board portion 22 are parallel to each other.

  Further, a rough surface may be formed on one or both of the opposing main substrate portion 21, the lower surface 26, and the upper surface 27 of the sub-substrate portion 22. By forming the rough surface in this manner, the rough surface bites into the surface of the nail when attached to the ingrown nail and is difficult to come off.

  In addition, a lateral groove portion 24 into which the connecting material 30 is fitted is provided on the upper surface of the main substrate portion 21 so as to cross the longitudinal direction of the main substrate portion 21. For example, the lateral groove 24 is formed in a C-shaped section with a narrowed upper edge so that the connecting member 30 can be fitted therein.

  Further, on the surface of the main substrate portion 21, vertical groove portions 25 are similarly provided in a cross shape in a direction orthogonal to the lateral groove portions 24, that is, in the longitudinal direction of the main substrate portion 21. In addition, these horizontal groove part 24 and the vertical groove part 25 may be provided only in any one, without providing both.

  Moreover, the inner diameters of the grooves of the lateral groove portion 24 and the vertical groove portion 25 are slightly larger than the outer diameter of the connecting material 30, and a plurality of claw mounting portions 20 in which the inner diameter of the groove is changed according to the outer diameter of the connecting material 30 are prepared in advance. It is preferable. Further, the lateral groove portion 24 and the vertical groove portion 25 may be provided on the back surface of the main substrate portion 21, that is, on the surface facing the sub-substrate portion 22.

  In the ingrown nail correction tool 10 of the embodiment, the nail attachment portions 20 are arranged at both ends of the connecting material 30, and one or more nail attachment portions 20 are further arranged between these nail attachment portions 20. Thus, a total of three or more claw attaching portions 20 may be provided.

  When the number of the nail attachment portions 20 is large, even if one nail attachment portion 20 is detached from the ingrown nail, the nail correction tool 10 is retained by holding the nail tip with the other nail attachment portion 20. Is hard to come off. However, when considering the labor of attaching and detaching, the number of nail attachment portions 20 is preferably about 2 to 4 for one ingrown nail corrector 10.

  When attaching the connecting material 30 to the two nail attachment portions 20 to form the ingrown nail correction tool 10 shown in FIG. 1, first, the optimal elasticity is determined based on the size of the patient's nail and the condition of the ingrown nail. The force connecting member 30 is selected, and the ingrown nail correction tool 10 using the nail attachment portion 20 corresponding to the diameter of the connecting member 30 is created.

  As this creation work, first, the connecting material 30 is arranged along the lateral groove portion 24 of the one claw mounting portion 20, and the connecting material 30 is pushed into the lateral groove portion 24. At this time, the connecting groove 30 is fitted into the lateral groove 24 after the lateral groove 24 having a C-shaped cross section that opens upward temporarily expands left and right.

  In this way, the one claw mounting portion 20 is temporarily fixed to the connecting material 30. Subsequently, after the other nail attachment portion 20 is arranged at a position corresponding to the nail width of the patient, the other nail attachment portion 20 is temporarily attached to the connecting member 30 in the same manner as the temporary attachment of the one nail attachment portion 20 described above. Stop.

  FIG. 3 is an explanatory diagram when the connecting member 30 is fixed to the claw mounting portion 20, and force is applied from above and below to the claw mounting portion 20 with the connecting material 30 fitted in the lateral groove portion 24 by a jig P such as a radio pliers. As a result, the connecting member 30 is fixed in the lateral groove portion 24. In addition, it can also fix by an adhesive agent, welding, etc., without using the jig | tool P. FIG. Thus, after adjusting to the optimal width for the patient's nail width, the connecting material 30 protruding from the nail attachment portion 20 is cut with a nipper or the like. In this way, the ingrown nail corrector 10 can be manufactured by adjusting to an optimal nail width size according to the nail width of the patient.

  4 is a side view of the ingrown nail corrector 10 attached to both sides of the ingrown nail N, FIG. 5 is a front view, and FIG. 6 is a perspective view. As shown in FIG. 4, by pushing the two claw attachment portions 20 into the both sides of the ingrown nail N from the front, the main board portion 21 becomes thinner along the surface of the ingrown nail N toward the tip. The sub-board portion 22 is inserted into the back side of the ingrown nail N. By pushing the claw mounting portion 20 into the ingrown nail N as far as it goes, the ingrown nail N is firmly held by the elasticity between the main board portion 21 and the sub board portion 22.

  5 and 6, since both ends of the ingrown nail N are bent downward, when the nail attachment portion 20 is inserted, the connecting member 30 is bent along the surface of the ingrown nail N. Will do. However, since the connecting member 30 is composed of a superelastic body or a shape memory body having a restoring force that returns to a straight line, a restoring force that returns to a straight line from a curve is applied to the connecting member 30, and the nail attachment portions 20 at both ends. Acts to lift up. By lifting both sides of the ingrown nail N sandwiched by the nail attachment portion 20, the ingrown nail N is corrected so as to be flat.

  In order to remove the ingrown nail corrector 10 from the ingrown nail N, the nail attachment portion 20 may be pulled out from the ingrown nail N in the horizontal direction which is opposite to the direction in which the nail is mounted.

  FIG. 7 shows the ingrown nail corrector 10 of the second embodiment, and is a perspective view showing a state in which the connecting material 30 is fitted in the longitudinal groove portion 25 of the nail attachment portion 20. FIG. 8 shows a perspective view of the ingrown nail N with the ingrown nail corrector 10 attached thereto, and the nail attachment portions 20 are attached to both sides of the ingrown nail N. FIG. In the case of a severe ingrown nail N, the ingrown nail N can be corrected more effectively if the ingrown nail correction tool 10 shown in FIG.

  FIG. 9 shows the ingrown nail correction tool according to the third embodiment, in which one end of the connection member 30 is fitted into the lateral groove portion 24 of the nail attachment portion 20, and the other end of the connection material 30 is connected to the vertical groove portion 25 of the nail attachment portion 20. It is a perspective view of the state which fitted. In addition, you may arrange | position the relationship between the horizontal groove part 24 of the connection material 30 and the nail | claw attaching part 20, and the vertical groove part 25 right and left.

  FIG. 10 shows a perspective view of the ingrown nail N with the ingrown nail correction tool 10 attached thereto, and the nail attachment portions 20 are attached to both sides of the ingrown nail N. FIG. In particular, when the ingrown nail N is a severe ingrown nail N, it is preferable to wear the ingrown nail correction tool 10 shown in FIG.

  FIG. 11 shows a perspective view of the ingrown nail corrector 10 ′ of the fourth embodiment. The nail attachment portion 20 ′ is composed only of the main board portion 21 having the lateral groove portion 24, and the ingrown nail correction of the first to third embodiments. Similarly to the tool 10, it can be used by adjusting to the optimal nail width size according to the nail width of the patient.

  When attaching the ingrown nail corrector 10 ′ to the ingrown nail N, after applying a strong adhesive or the like to the lower surface 26 of the main substrate portion 21 having a rough surface, the ingrown nail correction is applied to the surface of the ingrown nail N. Affix tool 10 'and fix.

  While the ingrown nail corrector 10 of Examples 1 to 3 can be attached only to the toe, the ingrown nail corrector 10 'is shown in a perspective view in a state of being attached to the ingrown nail N in FIG. In addition, it is possible to attach to any position of the ingrown nail N. It is preferable to properly use the ingrown nail corrector 10 or the ingrown nail corrector 10 ′ depending on the position where correction is required. You may make it attach to the nail | claw Nail.

  Moreover, you may make it increase the one groove part of the ingrown nail corrector 10 of Examples 1-3 and the ingrown nail corrector 10 'of Example 4 to two parallel. By increasing the number of grooves, for example, one connecting member 30 is attached in the case of a woman, and two connecting members 30 are attached in the case of a man, so that the restoring force of the connecting member 30 is applied to the ingrown nail N of the patient. It can be adjusted to be optimal.

  Moreover, although the groove part which fixes the connection material 30 was provided in the main board | substrate part 21 of the ingrown nail corrector 10 of Examples 1-3 and the ingrown nail corrector 10 'of Example 4, it replaced with a groove part. A hole-like horizontal hole portion and a vertical hole portion may be provided to fix the connecting material 30.

  In this case, the connecting material 30 is fixed to the claw mounting portion 20 by crimping or bonding after the connecting material 30 is passed through the horizontal hole portion or the vertical hole portion.

  In addition, in the ingrown nail corrector 10 of Examples 1 to 3 and the ingrown nail corrector 10 'of Example 4, the cross-sectional shapes of the connecting material 30, the lateral groove portion 24, the longitudinal groove portion 25, the lateral hole portion, and the longitudinal hole portion. May be rectangular or the like. When the connecting member 30 having a rectangular cross section is passed through a groove or hole having a rectangular cross section of the claw mounting portion 20, each claw mounting portion 20 naturally faces the same direction, and no angle adjustment is required. Convenient.

DESCRIPTION OF SYMBOLS 10, 10 'Ingrown nail correction tool 20, 20' Nail attachment part 21 Main board part 22 Sub board part 23 Connection board 24 Horizontal groove part 25 Vertical groove part 30 Connection material

Claims (3)

The metal plate is bent in a U shape so that the main board portion and the sub board portion are formed in parallel via the connecting plate, and the nail is sandwiched between the main board portion and the sub board portion from the front of the nail. A plurality of claw mounting portions to be pushed in, and a connecting material composed of a single rod body connected between the claw mounting portions and having a restoring force which is formed from a superelastic body or a shape memory body and has a linear shape. A constructed ingrown nail corrector,
A lateral groove portion that fits the connecting material on the front surface or the back surface of the main substrate portion or a lateral hole portion that penetrates the connecting material in the main substrate portion is provided so as to be orthogonal to the pushing direction . Ingrown nail correction tool characterized by.   2. The ingrown nail correction tool according to claim 1, wherein the lateral groove portion is formed in a C-shaped cross-section with a narrowed upper edge. Having a resilient force between said pawl mounting portion is disposed between the sub-substrate portion and the main substrate portion by bending a single elastic metal plate substantially parallel, wherein said main board portion sub-substrate portion The ingrown nail corrector according to claim 1 or 2, characterized in that.

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