JP5881531B2 - Ingrown nail corrector - Google Patents

Description

  The present invention relates to an incurvated nail correction tool for correcting an ingrown nail generated on a toe.

  As a curly nail corrector, tools having various shapes and structures have been developed. For example, as described in Patent Document 1, the tip of an elastic thin thin plate is folded downward so that the curled nail It is formed on a locking piece that is hooked to the tip, and this locking piece is fixed on the back of the nail with an adhesive tape and held in a locked state on the tip of the wound nail. Correction tools have been developed.

  According to this ingrown nail correction tool, since the tip of the elastic thin thin plate is formed in the locking piece that is folded downward and hooked to the tip of the winding nail, this locking piece is used in use. The hook is hooked on the tip of the nail so that it can be easily attached to the tip of the nail. Even if it is fixed on the part, it is difficult to generate sufficient correction force to cause the claw on the locking piece, and the correction part is positively used with the tip of the claw as a fulcrum. Even if it is elastically deformed toward the upper surface of the winding nail and an attempt is made to generate a correcting force that causes the locking piece to cause the winding nail to occur, the fulcrum is the tip of the winding nail. From the tip of the nail to the front Hardly acts in the direction to correct pincer nail acts in a direction to disengage, there is a problem that it is impossible to obtain effective corrective force.

  For this reason, as described in Patent Document 2, the inventors of the present application obliquely form a locking piece that forms a locking hook that is hooked on the winding claw at the center of the front end, and a rear end of the locking piece. It consists of a lever piece that is inclined upward, and the hook at the front end is hooked on the winding claw, and the connecting part of the locking piece and the lever piece is brought into contact with the back of the claw, and this connecting part is By pressing the lever piece downward as a fulcrum and fixing the lever piece on the back of the nail with adhesive tape in this state, the hook hook is urged upward by the lever principle and the curl nail correction force We have developed a curly nail corrector made of a hard synthetic resin that can be bent and deformed elastically.

Utility Model Registration No. 3091516 JP 2011-24776 A

  However, according to the ingrown nail correction tool described in Patent Document 2, since the width dimension in the left-right direction at the tip of the locking hook is formed to be relatively wide, about 5 mm, the winding that bites into the flesh of the thumb. Not only does it make it difficult to accurately hook the claw, but the locking hook is provided at the center of the front end of the locking piece, and the left and right sides of the lever piece against the left and right edges of the locking hook. Since the end is formed in a bilaterally symmetric planar shape projecting with an approximately equal width dimension outward, when the locking hook is locked to the tip of the winding claw, the winding claw will move to the right edge of the claw The right edge of the lever piece protrudes outward from the right side surface of the thumb, and the left side of the lever piece The edge protrudes outward from the left side of the thumb It becomes, from the right edge in the width direction of the nail on the instep portion of the pawl winding lever piece towards the left edge, or consists of left edge that is disposed in a state inclined toward the right edge. For this reason, it is difficult to fix the lever piece with the adhesive tape, and even if the lever piece can be fixed, it becomes unstable, and there is a problem in that the curl nail correction force by the locking hook cannot be obtained sufficiently.

  The present invention has been made in view of such problems, and the object of the present invention is not only that it can be easily locked to the tip of the winding nail, but also the winding nail is on either side of the nail. Even if it occurs on the edge, it can be attached accurately according to each, and in that state, it can be stably fixed by the adhesive tape, and it can accurately obtain sufficient ingrown nail correction force. Provide corrective tools.

  In order to achieve the above object, the ingrown nail correction tool of the present invention has a locking piece formed on a locking hook that folds the front end downward and hooks it to the tip of the winding nail as described in claim 1. A rigidly elastically bendable deformable member that is integrally provided with a lever piece that is inclined obliquely upward toward the rear at the rear end, and a connecting portion between these locking piece and lever piece is formed at the fulcrum. In a curly nail corrector comprising a plastic corrector body and an adhesive tape that fixes the corrector body to the wound nail, one side end face of the locking hook that is folded downward from the front end of the locking piece is corrected. The other end surface is formed as an inclined end surface that is inclined in the direction in which the locking hook becomes narrower from the proximal end side to the distal end of the locking hook. Locking hook is formed in a tapered shape with a tip width of 2-3mm And wherein the are.

  In the invention according to claim 2, the other side end face of the locking hook is formed on an end face parallel to the length direction of the correction tool body, and the one side end face is the distal end from the base end side of the locking hook. The locking hook is formed on an inclined end surface that is inclined in the direction of narrowing, and the locking hook is formed in a tapered shape having a tip width of 2 to 3 mm.

  In the ingrown nail corrector according to claim 1 or 2, the invention according to claim 3 is such that the locking piece is gradually narrowed from the rear end side connected to the front end of the lever piece toward the front end. The base end bending portion of the locking hook that is formed and folded downward from the front end of the locking piece is formed on the locking piece facing the side end surface parallel to the length direction of the correction tool body in the locking hook. It is deviated to the side end face side.

  According to a fourth aspect of the present invention, the upper surface of the lever piece of the correction tool main body is directed to the pressure-sensitive adhesive layer of the correction tape so that the length direction of the correction tool main body is orthogonal to the length direction of the horizontally long rectangular adhesive tape. Adhering release paper to the adhesive layer of the adhesive tape with the front end of the locking piece and the locking hook in the corrector body protruding from one side of the adhesive tape It is characterized by being.

  According to the first aspect of the present invention, an elastically bent deformation comprising a locking piece having a locking hook at the front end and a lever piece connected to the rear end of the locking piece via a fulcrum portion. In the possible orthodontic appliance body made of hard synthetic resin, one end face of the locking hook is formed on the end face parallel to the length direction of the orthodontic appliance body, while the other end face is formed from the base end side of the locking hook. Since the locking hook is formed in an inclined end surface that is inclined in the direction of narrowing toward the tip, when the correction tool body is disposed on the back of the winding nail, the tip of the locking hook is placed on the tip side of the winding nail. The hook can be accurately grasped, and the tip of the hook is formed to have a width of 2 to 3 mm. It can be inserted and can be accurately locked, and is also locked to the tip of the wound claw. The locking piece and the lever piece can be arranged in a state of being offset toward the center of the finger where the claw is generated with respect to the tip of the locking hook. It can be placed on the upper part of the nail without protruding almost outward from the side of the side, can be fixed in a stable and stable state with adhesive tape, and the lever action by the lever piece is effectively demonstrated Thus, a predetermined nail correction force can be obtained.

  According to the second aspect of the present invention, the other side end surface of the locking hook is formed on the end surface parallel to the length direction of the correction tool body, while the one side end surface is extended from the proximal end side to the distal end of the locking hook. Since the locking hook is formed on the inclined end surface that is inclined in the direction of narrowing, the incurvated nail corrector according to claim 1 is used for correcting the ingrown nail generated at the left edge of the nail. In this case, the ingrown nail correction tool according to claim 2 can be used for correcting the ingrown nail generated at the right edge of the nail, and the same effects as described above can be obtained.

  Further, according to the invention of claim 3, the locking piece is formed so as to gradually become narrower from the rear end side connected to the front end of the lever piece toward the front end, and downward from the front end of the locking piece. Since the base end bent portion of the locking hook that is folded back is displaced to the side end surface side of the locking piece that faces the side end surface of the locking hook that is parallel to the length direction of the correction tool body, The tip of the locking hook can be securely locked to the winding nail while the main body is arranged on the top of the nail where the winding nail is generated with the length direction of the winding nail and the lever piece is engaged. It can be placed on the back of the nail accurately and stably with almost no protruding outward from the finger together with the stop piece, and it can be easily and reliably applied with adhesive tape so that the specified curly nail correction force can be obtained. Can be fixed.

  According to the invention of claim 4, the upper surface of the lever piece in the correction tool main body is directed to the adhesive tape so that the length direction of the correction tool main body is orthogonal to the length direction of the horizontally-long rectangular adhesive tape. The release paper is attached to the adhesive layer of the adhesive tape with the front end of the locking piece and the locking hook in the correction tool body protruding from one end of the adhesive tape. Because it is stuck, if you lock the hook hook protruding from one end of the adhesive tape to the winding nail when using it, the length direction of the adhesive tape will be the circumferential direction of the thumb where the winding nail is generated The corrector body can be fixed in an accurate position easily and securely by winding the adhesive tape around the finger while peeling the release paper, and the lever piece can be fixed by the winding force of the adhesive tape. On the top of the nail It is possible to obtain the pincer nail correction excellent action for a long period of time to hold the attach state.

The perspective view of this invention nail corrector. The perspective view seen from the lower surface side of the state which peeled a part of release paper. The perspective view of a correction tool main body. The bottom view. Side view. The simplified perspective view which shows a use condition. The perspective view of another correction tool main body of this invention. The bottom view. The simplified perspective view which shows a use condition.

  A specific embodiment of the present invention will be described with reference to the drawings. The ingrown nail correction tool A is formed on a locking hook 3 that folds the front end portion downward and hooks it on the tip of the ingrown nail B (shown in FIG. 6). A lever piece 4 that is gently inclined at an angle of approximately 5 to 15 degrees with respect to the rear end portion of the locking piece 2 is integrally provided at the rear end of the locking piece 2 obliquely upward rearward. The correction tool main body 1 and an adhesive tape 10 to which the correction tool main body 1 is attached.

  The corrector main body 1 is made of a hard synthetic resin that can be elastically bent and deformed, such as polycarbonate, ABS resin, acrylic resin, etc., and has a thickness of about 1 mm as a whole and forms the latter half of the corrector main body 1. The lever piece 4 has a length and a width of about 9 to 12 mm, and protrudes forward from the front end of the lever piece 4 to form the front half of the correction tool body 1. Is formed to have a length of about 8 to 10 mm. Furthermore, the lateral width of the connecting portion between the locking piece 2 and the lever piece 4 inclined obliquely upward from the rear end of the locking piece 2 is the same width, and as shown in FIG. Is formed at the fulcrum portion 5 so that the connection portion is bent in a gentle V shape.

  As shown in FIGS. 4 and 5, the locking piece 2 is formed so that its width gradually decreases from the rear end connected to the front end of the lever piece 4 toward the front end. The rear half of the locking piece 2 is curved in a gently convex arc shape obliquely upward from the front end of the flat surface of the lever piece 4 and the front half is on the front end extension of the lever piece 4. A bent portion that is formed so as to be substantially parallel, and is formed by folding the base end portion of the locking hook 3 connected to the front end of the locking piece 2 downward from the front of the locking piece 2 in a U-shape. The front end portion of the locking hook 3 that is formed in FIG. 6 and is bent rearward is directed to face the front end of the lever piece 4. The width of the bent portion 6 is about 5 mm.

  Further, one end face 3a of the locking hook 3 facing rearward through the bent portion 6 is formed on the end face parallel to the length direction of the correction tool body 1, while the other end face 3b is locked on the locking hook. Is formed on an inclined end surface inclined in a direction in which the locking hook 3 becomes narrower from the bent lower end of the bent portion 6 toward the distal end, and the width of the distal end of the locking hook 3 is 2 to 3 mm. It is preferably formed in a tapered shape with a width of 2.5 mm.

  Further, the one end surface 2a of the locking piece 2 connected to the one end surface of the bent portion 6 is formed as a gently inclined end surface that is gently inclined inward from the rear end toward the front end. The other end surface 2b of the locking piece 2 connected to the other end surface is formed as a steeply inclined end surface that is inclined more inwardly from the rear end to the front end than the one end 2a. The stop hook 3 is biased to the one end face 2a side of the locking piece 2 facing the one end face 3a of the locking hook 3. That is, the locking hook 3 including the bent portion 6 is connected to the center of the bent portion 6 passing through the center in the width direction of the bent portion 6 with respect to the center line X of the corrector main body 1 passing through the center in the width direction of the lever piece 4. When the line X1 is displaced by a predetermined width toward the one end surface 2a side of the locking piece 2 and the tip of the locking hook 3 is locked to the tip of the winding claw B, the one side end of the correction tool body 1 is It is formed so as not to protrude as far as possible from the back of the nail.

  Note that one side end of the correction tool body 1 corresponds to the left side surface of the thumb where the claw B is generated, and therefore, the one side end face 3a is the length of the correction tool body 1 as described above. The other end surface 3b is formed on the inclined end surface 3b inclined in the direction in which the locking hook 3 becomes narrower from the proximal end side to the distal end of the locking hook 3 while being formed on the end surface parallel to the direction. The corrector main body 1 provided with the locking hook 3 is used for correcting the wound nail B generated at the left edge of the nail.

  As the correction tool main body 1 ′ of the wound nail B ′ generated at the right edge of the nail, as shown in FIGS. 7 to 9, one of the locking hooks 3 facing backward via the bent portion 6. The side end face 3a is formed on the base end side of the locking hook 3, that is, the inclined end face inclined in the direction in which the locking hook 3 becomes narrower from the bent lower end of the bent portion 6 toward the tip, while the other end face is formed. 3b is formed on the end face parallel to the length direction of the correction tool main body 1, and this locking hook 3 is formed in a tapered shape having a tip width of 2 to 3 mm.

  Further, the one end surface 2a of the locking piece 2 connected to the one end surface of the bent portion 6 is formed at a steeply inclined end that is greatly inclined inward from the rear end to the front end. The other end surface 2b of the locking piece 2 connected to the side end surface is formed as a gently inclined end gently inclined inward from the rear end toward the front end, and the locking hook 3 including the bent portion 6 is formed. The locking hook 3 is biased toward the other end 2a of the locking piece 2 facing the other end surface 3a. That is, the locking hook 3 including the bent portion 6 is connected to the bent portion 6 passing through the center in the width direction of the bent portion 6 with respect to the center line X of the corrector main body 1 ′ passing through the center in the width direction of the lever piece 4. When the center line X2 is displaced by a predetermined width to the other end face 2b side of the locking piece 2 and the tip of the locking hook 3 is locked to the tip of the winding claw B ′, the other side of the correction tool body 1 ′ The end is formed so as not to protrude as far as possible outward (right side) from the back of the nail. Since other shapes are the same as those of the correction tool main body 1, the same portions are denoted by the same reference numerals and detailed description thereof is omitted. Thus, the correction tool main bodies 1 and 1 ′ are formed in a symmetrical shape.

  As shown in FIGS. 1 and 2, the orthodontic appliance main body 1 (1 ′) configured as described above has its length direction oriented in a direction orthogonal to the length direction of the rectangular adhesive tape 10. The upper surface of the lever piece 4 is fixed by adhering it to the central portion of the adhesive layer 11 of the adhesive tape 10, and the front end portion of the engaging piece 2 and the engaging hook 3 in the corrector main body 1 (1 '). The nail correction tool A (A ′) is configured by sticking the release papers 12 and 12 to the adhesive layer 11 in a state of projecting outward from one end of the adhesive tape 10.

  Next, the usage mode of correcting the ingrown nail B using the ingrown nail correction tool A configured as described above will be described. When the ingrown nail B is generated at the left edge portion of the nail, the ingrown nail correction is performed. When the tool A is arranged on the back of the nail, the one side end surface 3a formed on the end surface parallel to the length direction of the correction tool body 1 faces the left end surface of the thumb where the wound nail B is generated. A curl nail corrector A having a hook 3 formed as described above is used, and as shown in FIG. Hook and lock.

  At this time, the locking hook 3 has one side end face 3a formed in parallel with the length direction of the correction tool body 1 facing the left end face side of the thumb where the wound nail B is formed, and the other end face. 3b is formed on the inclined end face inclined in the direction in which the locking hook 3 becomes narrower from the proximal end side to the distal end side of the locking hook 3, so that the length of the correction tool main body 1 is on the upper part of the nail. Even if it is arranged with the direction oriented in the direction of the length of the claw, the tip of the locking hook 3 can be accurately directed to the tip of the wound claw B, and the tip of the locking hook 3 is 2 Since it is formed in a tapered shape having a width of ˜3 mm, it can be easily and reliably inserted and interposed in the lower surface of the wound claw B so as to be reliably locked. Further, since the orthodontic appliance main body 1 can be arranged on the upper part of the nail so that the length direction thereof is parallel to the length direction of the nail, the length of the orthodontic appliance main body 1 in the length direction is long. The pressure-sensitive adhesive tape 10 that fixes the orthodontic appliance main body 1 by making the direction perpendicular to each other can be accurately oriented in the circumferential direction of the thumb where the wound nail B is generated.

  Further, the release papers 12 and 12 of the adhesive tape 10 are peeled off, and the lever piece 4 arranged on the back of the nail where the winding nail B is generated is pushed downward while being elastically bent around the fulcrum 5. By pressing the upper part of the ingrown nail B on the back of the nail B, the locking hook 3 is urged upward by the lever principle to generate the incurvated nail correction force, and in this state, the adhesive tape 10 is wound around the thumb. The correction tool main body 1 is fixed, and the above-mentioned curl nail correction force due to the lever action around the fulcrum portion 5 is held as it is.

  Further, as described above, the center line X1 passing through the center in the width direction of the proximal bent portion 6 of the locking hook 3 is relative to the center line X of the correction tool body 1 passing through the center in the width direction of the lever piece 4. When the front end of the locking hook 3 is locked to the front end of the wound claw B by being displaced by a predetermined width toward the one end surface 2a side of the locking piece 2, the one side end of the correction tool body 1 is the back of the nail. Since it is formed so as not to protrude as far as possible outward from the part, the correction tool main body 1 can be securely and stably fixed to a predetermined position by the adhesive tape without causing reluctance.

  Next, when the rolled nail B ′ is formed on the right edge of the nail, when the rolled nail correction tool A ′ is placed on the upper side of the nail, the length of the correction tool body 1 ′ is increased. Using the curl nail correction tool A ′ having the locking hook 3 formed so that the other side end surface 3b formed on the parallel end surface faces the right end surface of the thumb where the curl nail B is generated, As shown in FIG. 9, the correction tool A ′ is locked by hooking the tip of the locking hook 3 to the tip of the wound claw B ′.

  At this time, the locking hook 3 has the other side end surface 3b formed parallel to the length direction of the correction tool main body 1 'directed toward the right end surface side of the thumb where the wound claw B' is generated. Since the side end face 3a is formed as an inclined end face inclined in the direction in which the locking hook 3 becomes narrower from the proximal end side to the distal end of the locking hook 3, the correction tool body 1 'is placed on the upper part of the nail. Even if it is arranged with its length direction oriented in the direction of the length of the claw, the tip of the locking hook 3 can be accurately directed to the tip of the wound claw B ′, and the locking hook 3 can be Since the tip thereof is formed in a tapered shape having a width of 2 to 3 mm, it can be easily and surely inserted and interposed in the lower surface of the wound claw B ′ so as to be reliably locked. Furthermore, the orthodontic appliance main body 1 ′ can be arranged on the upper part of the nail so that its length direction is parallel to the length direction of the nail. The pressure-sensitive adhesive tape 10 that fixes the correction tool main body 1 ′ with its length direction orthogonal can be accurately oriented in the circumferential direction of the thumb where the wound nail B ′ is generated.

  Further, the release papers 12 and 12 of the adhesive tape 10 are peeled off, and the lever piece 4 arranged on the upper part of the nail where the wound claw B ′ is generated is bent downward while being elastically bent around the fulcrum part 5. By pushing down and pressing on the upper part of the wound nail B ′, the latch hook 3 is urged upward by the lever principle to generate the wound nail correction force, and in this state, the adhesive tape 10 is wound around the thumb. As a result, the correction tool main body 1 'is fixed, and the above-mentioned curl nail correction force due to the lever action around the fulcrum portion 5 is maintained as it is.

  Further, as described above, the center line X2 passing through the center in the width direction of the proximal bent portion 6 of the locking hook 3 with respect to the center line X of the correction tool main body 1 'passing through the center in the width direction of the lever piece 4. Is shifted to the other end surface 2b side of the locking piece 2 by a predetermined width, and when the tip of the locking hook 3 is locked to the tip of the wound claw B ′, the other side end of the correction tool body 1 is nail. Since it is formed so as not to protrude as far as possible from the back of the upper part, the correction tool main body 1 can be securely and stably fixed to a predetermined position by the adhesive tape without causing reluctance.

A, A 'curly nail corrector B, B' curly nail 1, 1 'corrector body 2 locking piece 3 locking hook 4 lever piece 5 fulcrum part 6 bent part 10 adhesive tape 12 release paper

Claims (4)

  A lever piece that is inclined obliquely upward toward the rear is integrally provided at the rear end of the locking piece formed on the locking hook that folds the front end downward and hooks to the tip of the winding claw, and these locking Curly nail correction consisting of an elastically bending-deformable hard synthetic resin straightening tool body formed by connecting the piece and the lever piece at the fulcrum, and an adhesive tape for fixing the straightening tool body to the wound nail In the tool, one end face of the locking hook folded downward from the front end of the locking piece is formed on an end face parallel to the length direction of the correction tool body, while the other end face is formed on the base of the locking hook. A winding characterized in that the locking hook is formed on an inclined end surface that is inclined in a direction of narrowing from the end side toward the tip, and the locking hook is formed in a tapered shape having a width of 2 to 3 mm at the tip. Nail corrector.   A locking hook that folds the front end downward and hooks to the tip of the winding claw is formed, and at the rear end of the locking piece, a lever piece that is inclined obliquely upward toward the rear is integrally formed, and these An elastic bending-deformable hard synthetic resin correction tool body formed by connecting a connecting portion between the locking hook and the lever piece as a fulcrum part, and an adhesive tape for fixing the correction tool body to the winding nail In the ingrown nail correction tool, the other end face of the locking hook is formed on an end face parallel to the length direction of the correction tool body, and the one end face is engaged from the proximal end side of the locking hook toward the tip end. An incurvated nail correction tool characterized in that a locking hook is formed on an inclined end surface that is inclined in a narrowing direction, and the locking hook is formed in a tapered shape having a tip width of 2 to 3 mm.   The base bent portion of the locking hook is formed so that the locking piece gradually narrows from the rear end side continuous to the front end of the lever piece toward the front end and is turned downward from the front end of the locking piece. 3. The winding according to claim 1, wherein the winding is biased to a side end surface side of a locking piece facing a side end surface parallel to the length direction of the correction tool body in the locking hook. Nail corrector.   The upper surface of the lever piece in the orthodontic tool body is fixed to the central portion of the adhesive layer of the adhesive tape so that the length direction of the orthodontic appliance body is orthogonal to the length direction of the horizontally long adhesive tape. The release paper is adhered to the adhesive layer of the adhesive tape in a state where the front end portion of the engaging piece and the engaging hook in the correction tool main body protrude from one end of the adhesive tape. The ingrown nail correction tool according to claim 1 or 2.

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