CN103415228A

CN103415228A - Ingrown toenail cutter

Info

Publication number: CN103415228A
Application number: CN2012800121306A
Authority: CN
Inventors: 艾伦·海德格尔
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-02-14
Filing date: 2012-01-16
Publication date: 2013-11-27
Anticipated expiration: 2032-01-16
Also published as: AU2012219012A1; GB2501451A; US20130319446A1; CN103415228B; GB201315091D0; WO2012109697A1

Abstract

An ingrown toenail cutter (10, 10A) including a handle or shank (12, 12A) which at one end has a curved or angled part (14, 52) which extends away from the handle (12, 12A) and said curved or angled part (14, 52) has a cutting edge (15, 54) on an inner side thereof (14A) and there is also provided a terminal abutment (17, 56) at a free end of the curved or angled part (14, 52) on the inner side (14A) adjacent to cutting edge (15, 54) wherein the cutting edge (15,54) is oriented at an angle of 15 DEG - 60 DEG to a longitudinal axis of the handle or shank.

Description

Embedding toenail cutter

Technical field

The present invention relates to a kind of embedding toenail cutter and be specially adapted to inwardly growth and aduncate toenail.Yet the present invention can also not curve inwardly or ingrown toenail for cutting.

Background technology

Onychocryptosis (also being called as " embedding toenail ") is a kind of common disease of nail and is a kind of very situation of pain, wherein nail growth must be cut in a side or both sides of lactulum unguis, lactulum unguis is the layer tissue below nail or nail plate, and it comprises corium and epidermis.This situation may occur commonly in toenail, but also can in the finger nail except toenail or other toenails, occur.Thereby term " toenail " comprises other nails as described above equally in its scope as used herein.

The conventional method for the treatment of embedding toenail comprises removes the toenail part (that is, " embedding toenail ") be grown under skin, and this part remains to be removed after having used local anesthetic by the podiatrist.In case the toe numbness, the podiatrist just can remove this embedding toenail, and can damage nail matrix or nail root or let slip nail matrix with phenol.After arbitrary process, this nail must be wrapped up with antibiotic cream and bandage.Will be appreciated that this is a very consuming time and painful process.

For the surgical technic of removing the embedding toenail, relate to the use of the finger-like blocker that makes nail anesthesia and the use of tourniquet.Then, it is complete from the base portion of this nail, making an otch and stay lactulum unguis, and this otch is continued in an oval scope towards the side of this toe, until below this nail tip, apart from till the about 3-4mm in edge.In this process, importantly all skin of this nail edge all must be removed.Again, this is that a process consuming time and this toe must steep for one day 3 times in warm water until healing appears in 4-6 in week.

Can also be with reference to WO 2009/156788, a kind of toe the constraint tool has wherein been described, this instrument has a toe constraint hook in each end, this end refers to the end of a bending, and this crooked end has be used to retraining toe and when on toe, treating for example filing, keeping a stable tip of toe.Yet this instrument can not be used for the treatment of the embedding toenail.

United States Patent (USP) 4936322 relates to a kind of purposes of embedding toenail part remover, this remover is a hollow cylindrical rod, this cylindrical rod has the end of a wedge shape, the shape of this end is confirmed as comprising constrain an of soft tissue and a guarded knife surface, this guarded knife surface has a cutting edge that is positioned at this rod, so that a plurality of parts that this cutting edge cuts this embedding toenail when this rod is pulled open.This is one and manufactures complicated instrument, and it is shady in the purposes aspect effective treatment embedding toenail.

Can also be referring to United States Patent (USP) 1219626, it relates to a kind of device of having a manicure with a bar, this bar also comprises a sweep at one end, and this sweep is equipped with a line of rabbet joint, and this line of rabbet joint possesses a cutting edge on the bottom of this line of rabbet joint in use.The finger nail that remains to be pruned is placed in this line of rabbet joint, in order to pruned by this cutting edge.This device can not be used to removing the embedding toenail, because it only can be applied to prune nail that do not infect or normal.

Goal of the invention

Therefore, the purpose of this invention is to provide a kind of efficient embedding toenail cutter in use.

Summary of the invention

Embedding toenail cutter of the present invention comprises a handle (handle) or bar (shank), this handle or bar have at one end away from the part of a bending of this handle or bar extension or the part of angulation, and part described bending or angulation has a cutting edge on side within it, and provide a terminal fulcrum in the free end of this bending or part angulation contiguous this cutting edge part on this inboard, wherein this cutting edge is with the angle orientation of 15 ° to 60 ° with respect to the longitudinal axis of this handle or bar.

Handle of the present invention or bar can be one with this bending or part angulation in one form, and this cutter is that single type forms like this.In another kind arranges, a cutting part can be provided, this cutting part comprises this bar and is attached to releasedly part this bending on shank portion or angulation.Shank portion of the present invention can meet or be similar to the scalpel handle of general type in a kind of desirable form.Therefore in this arrangement, this scalpel handle can be attached on this cutting part releasedly, and the mode that its mode and scalpel handle are attached on scalpel blade releasedly is similar.Therefore or rather, this scalpel handle can comprise a microscler end extension, and this microscler end extension can be bonded in a maintenance line of rabbet joint in the bar of this cutting part releasedly.In this embodiment, this end extension can have a plurality of relative lines of rabbet joint, and these lines of rabbet joint combine with the respective edges of this maintenance line of rabbet joint.

Yet, this cutting part can be attached to by the positive engagement of any other form on this shank portion releasedly, for example pass through to use a flat head screw or other securing members, thereby the opening of a plurality of alignment in the bar of this shank spare and this cutting part is interconnected.

About the acute angle between cutting edge and this handle or bar, this acute angle can be more preferably between 25 °-40 ° and be most preferably between 30 ° or 35 ° or they.

In a kind of form of the present invention, the bar of this cutting part is relatively straight, and the part of this bending formed an end extension of this bar, and this cutting edge can form with the longitudinal axis of this bar acute angle as above thus.A web can weld or be attached on the sweep of this bar, and this web interconnects an adjacent end and this terminal fulcrum of this bar.The free edge of this web can form cutting edge.

In another kind of form of the present invention, this cutting part has the bar that is in the long shaped plate form, and the part of this angulation is the end extension of this long shaped plate, and this cutting edge has formed acute angle as above thus.On the inboard of this end extension, be this cutting edge, and an outward flange that becomes inverse relationship with this inward flange is provided.

Should be realized that, refer to this bending of embedding toenail cutter of the present invention or term " interior " that part angulation is relevant, this inboard is by having cutting edge and the terminal fulcrum positions or limits.About term " outward ", this refers to that one of part this angulation or crooked is in edge or the side of inverse relationship basically with inboard or inward flange.

In another aspect of the present invention, a kind of method of using embedding toenail cutter of the present invention is provided, the method comprises the following steps:

(i) with near the soft meat of toe embedding toenail of outside extruding of this bending or part angulation;

(ii) should be bending or part angulation be placed under this embedding toenail, wherein this terminal fulcrum engages with the outer surface of this embedding toenail; And

(iii) by with reciprocating type or the motion of sawing formula, away from an adjacent toenail, cutting this embedding toenail with this cutting edge, and away from this embedding toenail, pull part this bending or angulation simultaneously, in order to separate this embedding toenail from this toenail.

Of the present invention, again aspect another, provide this cutting part itself.

The accompanying drawing explanation

Now can be referring to a preferred embodiment of the present invention as shown in the drawing, wherein:

Fig. 1 is the side view of an embodiment of embedding toenail cutter of the present invention;

Fig. 2 is the perspective view of the embedding toenail cutter of Fig. 1;

Fig. 3 is with the detailed view in the zone of the institute of the circle shown in diastema mark in Fig. 2;

Fig. 4 shows a perspective view that starts to take off tool parts from the scalpel parts;

Fig. 5 shows from these scalpel parts and partly takes off this tool parts;

Fig. 6 shows from these scalpel parts and takes off tool parts fully;

Fig. 7 is the detailed view of the leading edge of these scalpel parts;

Fig. 8-9th, show that the embedding toenail cutter shown in Fig. 1 to 2 starts mobile view while in use removing the embedding toenail, and wherein the outside pushes away downwards on the toe meat of contiguous this embedding toenail;

Figure 10-11 show the subsequent movement of this embedding toenail cutter, and wherein blade is hooked on or is placed under the embedding toenail and end-boss engages with this embedding toenail;

Figure 12 shows the blade retracted on the direction of arrow with sawing formula motion cutting embedding toenail and while;

Figure 13 shows the removal fully of embedding toenail;

Figure 14 shows the perspective view of the toenail cutter of alternative type of the present invention;

Figure 15 shows in Figure 14 the detailed view with the zone of the institute of the circle shown in diastema mark; And

Figure 16-17 show the plan view for the present invention's substituted type cutting part.

The specific embodiment

An embedding toenail cutter 10 is provided in Fig. 1-3, this embedding toenail cutter has a tool parts 11 and scalpel parts or scalpel handle 12.This tool parts has part 14 and the cutting edge 15 of angulation, and this cutting edge can extend with a sharp angle α with respect to the longitudinal axis of the bar 19 of cutting part 11 as shown in Figure 16-17.In Fig. 1-3, this longitudinal axis can be at least in part be limited and by the line of rabbet joint 23 of the scalpel parts 12 of hereinafter mentioning, be limited at least in part by the protuberance 26 of hereinafter describing.The part 14 of angulation has an inboard 14A and an outside 16, on this inboard, has located cutting edge 15 and terminal fulcrum 17, as shown in Figure 3.The terminal fulcrum is the form that is in little end-boss 17, and cutting edge 15 is that this stalk section is shown as the form of microscler narrow boards between the stalk section 19 of projection 17 and cutting part 11.These scalpel parts have shank portion 21, fold 22 and the line of rabbet joint 23 on shank portion 21 either sides.

In Fig. 4, illustrated from scalpel parts 12 and started to take off cutting part 11, and this by with the thumb (not shown) endways on part 20 as shown by arrow A upwards pushing tow cause.Cutting part 11 moves on can the direction by the arrow B mark in Fig. 5 and from scalpel parts 12, taking off slidably subsequently.Further continuation slip has been shown mobile in Fig. 6, this there is shown cutting part 11 and with anatomic components 12, separates fully.When cutting part 11 engaged fully with scalpel parts 12, the end portion 26 that is in microscler convex form had the opposite line of

rabbet joint

27 and 28, and these lines of rabbet joint engage with the corresponding edge 29 and 30 of the middle line of rabbet joint 31 of cutting part 11 separately.Cutting part 11 also has the larger line of rabbet joint 32, and this larger line of rabbet joint prevents that microscler protruding 26 from separating the line of rabbet joint 31.A less exterior extremity line of rabbet joint 33 also is provided, and it prevents the projection 26 any undesirable movements away from the line of rabbet joint 31 as a stop part.

From aforementioned content, recognizing, it is easily realization that cutting part 11 is re-engaged with neighboring edge 29 and 30 by the line of

rabbet joint

27 and 28 as shown by arrow C with being re-engaged of scalpel parts 12, wherein at this moment end portion 20 also will be against corresponding flat part 34 or dimple, and this flat part or dimple are compared the thickness with minimizing with end portion 26 with shank portion 21.In this position, end portion 20 will also contact with the engagement edge 24 of flat part 34.

The using method of embedding toenail cutter 10 has been described in Fig. 8-13, and in Fig. 8-9, first step has been shown, and wherein the outside 16 of the part 14 of angulation is pressed near the soft meat 40 of embedding toenail 41, and this embedding toenail adjoins with the toenail 42 be positioned on toe 43.

In Figure 10-11, illustrated and by small embossment 17, engaged the part 14 that is hooked on or is placed on this angulation under embedding toenail 41 with embedding toenail 41, in order to cutting edge 15 is located or is supported on the position of hope, as shown in Figure 11.In Figure 11, omitted soft meat 42 for convenience.

Figure 12 illustrates cutting edge 15 is moved as shown in double-headed arrow D by the sawing effect, but also cutter 10 is retracted as shown by arrow E in order to partly remove embedding toenail 41.Figure 13 illustrates the nail 41 of processing, wherein embedding toenail 41 is completely removed.

Another kind of embedding toenail cutter 10A of the present invention has been shown in Figure 14-15, has wherein used with cutting part or bar 51 as integral type or be attached to releasedly a handle 50 on it.

Bar 51 is become by the clavate with circular section, has and part or the end 52 of bar 51 for a bending of integral type.A web 53 on the inboard 14A that is positioned at crooked end 52 also is provided, and this web is by bar 51 and terminal protuberance 56 interconnection that are in hemispherical boss form, as shown in Figure 15.A plurality of cavitys on the opposition side that is positioned at crooked end 52 also are provided or have caved in 55.The purpose of these opposite cavitys 55 is in order to reduce the overall width of crooked end 52, and this helps embedding toenail cutter 10A to use in the mode that is similar to toenail cutter 10 shown in Fig. 8-13.Also show outside 16A.Web 53 also has cutting edge 54, and this cutting edge aligns with an angle [alpha] of 30 °-35 ° with respect to the longitudinal axis 49 of bar 51.

Also will recognize, when the cutter 10 left hand form and right handed or 10A are provided for the left-hand side of toenail 43 no matter or right-hand side and need to remove embedding toenail 41.

This is illustrated in Figure 16-17, wherein Figure 16 has showed a cutting part 11A, wherein cutting edge 15 extends with an angle [alpha] with respect to the longitudinal axis 9 of the bar 19 of cutting part 11A, and wherein the part 14 of angulation is extended to the right side of longitudinal axis 9, and in cutting part 11B, the parts 14 of angulation extend to the left side of longitudinal axis 9 with angle [alpha] with respect to longitudinal axis 9.In either case, angle [alpha] can be any value between 30 ° or 35 ° or these angles.Right-hand type parts 11A can be used to cutting the turning, left side of user's toenail, and left-hand type parts 11B is suitable for cutting the turning, left side of user's toenail.

From aforementioned content, recognizing, embedding toenail cutter of the present invention have extremely simply construct and use very efficient.To use conventional scalpel handle be also extremely beneficial and avoided the manufacture of integral type handle.It is very simple equally that embedding toenail cutter of the present invention uses in practice, as shown in Fig. 8-13, wherein the outside 16 is pressed near the soft meat 40 of embedding toenail 41 in order to allow to be inserted into cutting edge 15 under embedding toenail 41 by protuberance 17 and prize in desirable position so that cutting embedding toenail 41, thereby allow cutting edge 15 be inserted in safely under embedding toenail 41 and be positioned in appropriate location as shown in Figure 11, in order to make cutting edge 15 to be pulled to and fro or with sawing or reciprocating manner, with be used to cutting embedding toenail 41, as shown in Figures 12-13.

To further recognize from the above, the feature of protuberance 17 is important, because it makes the use extremely safe of embedding toenail cutter of the present invention, because if use in the above described manner embedding

toenail cutter

10 or 10A, protuberance 17 or boss 56 will guarantee that cutting edge 15 can not cut or remove tissue.This also means that embedding toenail cutter 10 can be by the public's any member or unskilled librarian use, and does not need the podiatrist.This realizes by protuberance 17 or boss 56, thereby guarantees that cutting edge 15 is inserted into safely under embedding toenail 41 and is arranged in desired location as described above.

What should emphasize is that embedding toenail cutter of the present invention should be dipped in a kind of warm water solution before using in, this warm water solution optionally can contain wetting agent and/or disinfectant.

Claims

1. embedding toenail cutter, comprise a handle or bar, this handle or bar have the part of a bending of extending away from this handle or the part of angulation at one end, and part described bending or angulation has a cutting edge on side within it, and provide a terminal fulcrum in the free end of this bending or part angulation contiguous this cutting edge part on this inboard, wherein this cutting edge is with the angle orientation of 15 °-60 ° with respect to the longitudinal axis of this handle or bar.

2. embedding toenail cutter as claimed in claim 1, wherein, this acute angle is between 25 °-40 °.

3. embedding toenail cutter as claimed in claim 2, wherein, this acute angle is between 30 °-35 °.

4. as claim 1,2 or 3 described embedding toenail cutters, wherein, a cutting part of the part with described bar and an angulation is provided and has been attached to releasedly scalpel parts on this bar.

5. embedding toenail cutter as claimed in claim 4, wherein, this bar comprises a maintenance line of rabbet joint, this retention grooves sewer has a pair of opposite edge, and these scalpel parts comprise a microscler end-boss, this microscler end-boss has a pair of opposite line of rabbet joint, and wherein each line of rabbet joint engages releasedly with a neighboring edge.

6. embedding toenail cutter as described as claim 4 or 5, wherein, this bar is formed by a long shaped plate.

7. embedding toenail cutter as described as claim 5 or 6, wherein, this bar has an end portion, this end portion engages with a corresponding part of these scalpel parts, and this corresponding part is be adjacent to that this microscler end-boss is located and Comparatively speaking have with this microscler end-boss the thickness reduced.

8. embedding toenail cutter as described as any one in claim 5 to 7, wherein, this bar has and is adjacent to this maintenance line of rabbet joint and away from the larger line of rabbet joint of the part of this angulation, this larger line of rabbet joint prevents that end-boss and this maintenance line of rabbet joint that this is microscler are disengaged.

9. embedding toenail cutter as claimed in claim 1 or 2, this embedding toenail cutter comprises a cutting part and a shank spare, wherein this shank spare is one with this cutting part.

10. as claim 1,2 or 9 described embedding toenail cutters, wherein, the part of this bending be this cutting part handle an extension and have the web be positioned on inboard, this web extends between the adjacent end of this terminal fulcrum and this bar, wherein said web has a free edge, and this free edge has formed described cutting edge.

11. a method of using embedding toenail cutter as claimed in claim 1, the method comprises the following steps:

12. an embedding toenail cutter, can be attached to releasedly the cutting part on handle, an angulation or the crooked part that this cutting part tool has a bar and extends away from this bar, and part described bending or angulation has the cutting edge be positioned on its inboard, and at free end this bending or part angulation, be adjacent to this cutting edge part a terminal fulcrum is provided, wherein this cutting edge is with the angle orientation of 15 °-60 ° with respect to the longitudinal axis of this bar.