EP2564710A1 - Shoe insert and shoe - Google Patents

Abstract

The insole has a lower side applied at a shoe. An upper side forms a contact surface for a foot. A front region supports a front foot. A trough (20) is provided between the front region and a rear region, and forms a rear ramp for the rear region. The ramp bridges a height difference from a base (19) of the trough to a plateau of the rear region of between 3 cm and 3.5 cm for a shoe sizes upto 44, and between 3.3 cm and 4.5 cm for a shoe size starting from 44. The ramp is coated with a resilient and reversible resettable cushion material. The shoe has a front region with an upper material formed from a visco elastic foam. An independent claim is also included for a shoe.

Description

The present invention relates to an insole and a shoe with a corresponding sole. The present invention particularly relates to footwear, which allows as gentle as possible support of the foot. Such gentle support is particularly necessary in footwear for diabetics. Diabetes caused by polyneuropathy (damage to the nerve endings) and lack of blood flow to the legs, the stress state of the skin on the foot is drastically reduced.

This leads to the need to adapt footwear specifically to the needs of diabetics. It is desirable to have the most uniform possible load distribution when walking over the entire foot area.

In physiological movements and conventional shoes, however, about 100% of the load is carried over the anterior region of the foot, especially the metatarsal bones. By minimizing the bearing surface and larger lever on the forefoot, significantly greater forces occur at the metarsal than at the hindfoot. The dynamic analysis shows that the front area of the foot is held under load for a longer period than the heel.

In the prior art, various attempts have been made to keep the load on the foot below a supercritical value by individually padding different functional areas of the foot. So revealed the US 6,796,056 B2 an insole having an underside engageable with the shoe and an upper surface forming a contact surface for the foot comprising a front portion supporting the forefoot and a rear portion. In the front area, a cushion is provided approximately at the height of the football. This pad is an air cushion, which is formed substantially flush with the top of a base body, which essentially forms the insole and is formed from a base material. In the area of the heel another air cushion is inserted. The two air cushions essentially have a plane and are parallel to the basically planar contact surface extending top.

From the DE 20 2005 017 609 U1 Another suggestion of an insole is known, which is provided exclusively in the ball area with a special cushion cushion. This cushion cushion comprises a so-called Pelottenmittelteil, which is provided as a transverse arch support. This Pelottenmittelteil is located approximately centrally in the width direction and at the level of the ball area and is convexly curved and formed sloping from the center. With this special pad, the wearing comfort of the footwear is to be improved. The center pad part should not only support the transverse arch of the foot. Rather, the toe back joints are also to be padded by the adjoining the Pelottenmittelteil padded wings, so that not only a healthy foot, ie in which the transverse arch is intact, undergoes a cushioning support in the five toe joints, but also in a splay essentially all press five toe joints on the forefoot cushion pad.

From the DE 20 2006 002 484 an insole is known which has at the transition between the front and the rear of the insole a first elevation extending transversely to the longitudinal axis of the foot and is provided in the region of the metatarsals. In the area of the heel bone, lateral elevations are formed in each case. The rear region of the insole is substantially equal in height to the front region, which is provided approximately at the level of a plateau for supporting the heel.

Another proposal is from the US 7,210,250 B2 known. This prior art also discloses a special insole suitable for diabetics with a soft, deeper metatarsal section, ie a section which is provided in the area of the metatarsal bones. This soft portion extends substantially along the metatarsal line, ie, the line connecting the anterior ends of the adjacent forefoot medial bones. Already the rear area of the metatarsal bones and the adjoining arch are supported by a curved area. The contact surface for the heel is substantially equal in height to the contact surface for the toes or the metatarsal pad.

Further solutions are from the DE 33 23 156 A1 or the DE 101 17 981 A1 known.

The previously known from the prior art proposals for solutions strive to provide a flat and soft support as possible with the aim of soft particular cushion those areas of the foot in a special way, the more interact selectively with the contact surface of the sole.

The present invention has for its object to provide footwear, which can support a foot very evenly and gently. In particular, the present invention presents the problem of offering footwear for diabetics.

To solve this problem, the present invention provides an insole of the type mentioned above, which forms between the front and rear of a trough, which forms a rear ramp to the rear area, which a difference in height from a bottom of the trough to a plateau of the shoe size up to 44 and between 3.3 cm and 4.5 cm in shoe sizes bridged from 44 and covered with an elastically and reversibly recoverable padding material.

According to the inventor's research, it has been found that a relatively large difference in height between a lower support in the area of the metatarsal bone and an upper thereof, offset towards the tarsal bones backward provided plateaus or vertices leads to a substantial reversal of the load on the foot, in which which is to be sustained during the course of movement of the foot to be relocated load on the rear part. Absolute measurements of the acting forces as well as their dynamic distribution have shown that a nearly uniform force distribution between the front foot area and the rear foot area can be achieved, in particular due to the large height difference between the bottom of the trough and the plateau. The height difference according to claim 1 refers to a bottom of the trough, i. the lowest point of a substantially concavely curved recess of a base material essentially forming the insert, which has a greater hardness than the cushioning material, and a height level of the plateau, preferably immediately following the edge of the trough. In view is the design of the trough in a side or longitudinal sectional view of the insole. In such a view, the trough goes from the bottom to the bottom substantially obliquely and approximately rectilinearly and opens into a vertex in a slightly convex curved configuration. This peak limits the trough and marks the beginning of the plateau. The vertex is usually located at the level of the Weilel- or Keilbeines or at the phase boundary between the metatarsals and the cube or sphenoid bone in a physiological, supported on the insole foot.

Hereinafter, the present invention will be described specifically with reference to the anatomy of a physiological foot. It should be assumed that the anatomically correct foot bone has in a predetermined sequence and arrangement to each other, which special functional areas of the shoe according to the invention are assigned. The skilled person in question knows the relation between the dimensions of the foot and the dimensions of the footwear to be suitably adapted for this purpose. Furthermore, the person skilled in the art knows that the foot has a greater extent on the inside than on the outside. The present invention takes into account that the bottom of the trough has a slightly curved course in the plan view of the footwear. Due to the greater extent on the inside of the padding material is provided there with greater longitudinal extent than on the inside. The padding material is stouter on the inside than on the outside. The transition between the padding material and the base material of the insole near the vertex is approximately at right angles to the longitudinal extent of the insole; at the other, front end, the cushioning material is slightly convexly curved, with the phase boundary projecting less forward on the outside than on the inside. The curvature of the cushioning material on the front side in the plan view is slightly convex. The cushioning material usually extends over the entire width of the insole.

The plateau may be slightly convexly curved behind the vertex and thus be designed sloping backwards. In the rear area, i. In the area of the tarsal bones, the insole has a known shape, which embeds the heel essentially in the manner of a tub. The contact surface is curved in the region of the heel bone in the longitudinal and width direction only slightly convex. In the area of cube, wedge and navicular bone, the insole also has a slightly concave curvature in the width direction, whereas the curvature in the longitudinal direction is preferably convex.

The cushioning material usually does not extend to the apex, but ends in about 2 cm to 3 cm in front of it. The vertex is usually formed by the base material slightly harder than the padding material. In this case, the base material usually has a Shore A hardness of between 30 and 40, whereas the cushioning material has a Shore A hardness of between 8 and 18, preferably between 10 and 15.

In particular, the present invention seeks to provide a forwardly inclined support for the metatarsal bones that is elastically and reversibly formed by the padding material. These are preferably at least with 70% of their length with the interposition of the cushioning material against the base material. In this case, the padding material is usually at least where the front end of the metatarsals is located and where they pass into the phalanges.

It has been found that the tilting of the metatarsal bone, as effected with the significant difference in height according to the present invention, results in a substantial redistribution of the forces in the foot, so that the stresses during walking are substantially absorbed by the tarsal bones over the plateau and behind the apex , This results in a uniform force transmission between the front and the back of the foot, both static and dynamic, i. in time consideration of the acting loads, in particular the pressure forces between the footwear and the foot.

It has proven to be sufficient to insert the cushioning material as a flat support in the manner of a cushioning strip in the trough. In this case, the cushion pad can reach up to the bearing surface of the toe members, but leave a portion of the base material uncovered at the front end of the sole.

The above-described embodiment of the insole behaves only to those functional areas that functionally individualize the support of the foot. At least one soft bedding, preferably in the form of overlays, preferably Lycra overlays, is usually applied to these areas. These soft beds are regularly connected to the padding material and the base material, for example glued. If several Weichbettungen are launched, as a lower soft bedding a slightly harder edition with a possible 100% reversibly deformable plastic, such as Lycra applied. On this harder edition, another, softer Lycra overlay with visco-elastic properties is provided. The aforementioned difference in height refers to the height difference between the bottom of the trough and the plateau or crest formed by the base material of the insole. In soft beds of identical thickness, this height difference changes, at least not in the unloaded state. The soft bed regularly changes only the padding of the insole, but not the formation of the functional areas and their assignment relative to each other.

With the above proviso that the ramp extends substantially over the metatarsal bones and that the trough is provided in the region of support of the fore end of the metatarsal bones and extends approximately to the posterior end of the metatarsal bones, there is an angle to the ramp applied tangent of between 25 ° and 28 °, preferably between 23 ° and 30 ° for shoe sizes to 44 and from 30 ° to 40 °, preferably from 32 ° to 38 ° for shoe sizes from 44. This angle is included between the tangent to the surface of the ramp and a bottom tangent to the bottom of the insole, which also contains the intersection between the tangent to the surface of the ramp with the bottom of the insole. It is assumed that the underside of the insole is heel-free and essentially flat, but in any case the material of the insole as a whole is so flexible that the insole can be applied to a flat tangential surface on the underside of the insole. Due to the different extent of the foot on the inside on the one hand and the outside on the other hand, the aforementioned angle for the ramp in the width direction for a specific shoe size vary by about 10% to 15%. In this case, an angle in the lower region of the specified interval is usually provided on the outside, whereas a steeper angle is measured on the inside of the foot. This is because the bottom of the well in plan view substantially follows the curvature of the front end of the cushioning material in the plan view, which convexly curves and further protrudes from outside to inside, whereas the rear end of the cushioning material is substantially perpendicular to that Longitudinal axis of the insole extends. The said angle is at the height of the central longitudinal axis of the insole, ie measured on a central longitudinal section. In this case, the tangent to the ramp is formed in that region of the trough which is occupied by the padding material. As already mentioned, the rear end of the padding material is still in front of the vertex.

According to a further preferred embodiment, the trough has a forwardly projecting front ramp, which is designed such that a tangent to the top of the ramp with the bottom tangent an angle of between 13 ° and 23 °, preferably between 15 ° and 20 ° includes. This ramp may have a concave or straight surface contour formed in longitudinal section through the base material, which at the end of the trough and at the end of the cushioning material passes over a slightly convex curvature into a toe end support for the front toes formed by the base material. In this case, the padding material preferably extends over the trough in such a way that the padding material passes into the toe end pad without heels.

Further details and advantages of the insole according to the invention are specified in the subclaims.

The present invention further provides a shoe comprising an insole according to the invention and having a blast of between 0.8 cm and 2.5 cm, preferably 1 cm to 1.5 cm. As a result of this detonation, the absolute level of the rear region of the support is raised by the amount of detonation, so that the foot continues to rise in the region of the tarsal bones, whereby the redistribution of the load from the front region of the foot to the rear region can be further promoted , The insert according to the invention preferably acts together with a substantially rigid sole. Such a substantially rigid sole hardly absorbs any elastic deformation during normal walking stress. A suitable material is considered to have a Shore A hardness of between 70 and 80. This rigid outsole ensures that the redistribution of the load from the front foot area to the rear foot area is effected solely by the reversible support via the cushioning material and no undesired deformations of the overlay itself occur. This should preferably be substantially rigidly supported in the shoe.

The bearing surface formed by the shoe for the insert is preferably flat. The blast enhances the slope of the ramp between the bottom of the trough and the apex, whereas the ramp leading out from the trough occupies a lesser upward slope relative to a horizontal footprint of the shoe.

In particular, for the embodiment of the shoe according to the invention for diabetics, it is preferable, approximately at the level of the metatarsal joint, d. H. form the outsole with a ball roller between the metatarsal bones and adjacent toe links. A bale roll in this sense is in the side view of the shoe a convex curvature of the outsole, which allows a soft rolling of the foot in the front region of the shoe. The bale roll usually starts at about the bottom of the trough. Rearward to this area, the outsole is preferably initially substantially planar. This is important for the stability of the patient / user. In the back, d. H. at the height of the heel, the shoe sole may in turn be provided with a heel roll, d. H. an upward convex curvature of the sole in the side view.

According to a preferred embodiment of the present invention, the upper material in the front region of the shoe is formed from a visco-elastic material. In particular, neoprene or doubleflex comes into question. The front portion of the shoe at least surrounds the phalanges, sometimes also the anterior ends of the metatarsal bones. The visco-elastic material offers the possibility of a relatively soft surround of the front foot area, which prevents pressure points on the top of the foot.

The shoe according to the invention is preferably designed as a lace-up shoe and has a lacing reaching at least up to the metatarsal line. The tongue is preferably padded and preferably formed with a width sufficient to cover the entire area of the lacing in a properly laced shoe.

The back of the shoe has a padded upper. This padded upper is preferably formed by a Lycra blanket padded with a visco-elastic foam. The upper at the back of the shoe at least surrounds the tarsal bones and circumferentially also the ends of the tibia and fibula. The padded upper may be low or completely inelastic for the rear, to allow for the best possible and secure encircling and guiding of the foot and leg in the shank region of the shoe, and / or provided with a substantially inelastic reinforcement of a viscoelastic padding material.

Further details and advantages of the present invention will become apparent from the following description of an embodiment in conjunction with the drawings.

Figur 1

eine Draufsicht auf ein Ausführungsbeispiel einer Einlegesohle;

Figur 2

eine Seitenansicht der in Figur 1 gezeigten Einlegesohle zur Fußbettung von der Außenseite derselben;

Figur 2a

eine Längsschnittansicht nahe des Außenrandes der in Figur 1 gezeigten Einlegesohle zur Fußbettung;

Figur 2b

eine Längsschnittansicht nahe des Innenrandes der in Figur 1 gezeigten Einlegesohle zur Fußbettung;

Figur 2c

eine Längsschnittansicht entlang der Mittellängsachse der in Figur 1 gezeigten Einlegesohle zur Fußbettung;

Figur 3a, 3b

die in Figur 1 und Figur 2 gezeigten Darstellungen der Einlegesohle Überlagerung der Skelettteile eines anatomischen Fußes;

Figur 4

eine Draufsicht auf ein Ausführungsbeispiel eines Schuhs und

Figur 5

eine Seitenansicht auf das in Figur 4 gezeigte Ausführungsbeispiel eines Schuhs.

In this show:

FIG. 1

a plan view of an embodiment of an insole;

FIG. 2

a side view of in FIG. 1 shown insole for Fußbettung from the outside thereof;

FIG. 2a

a longitudinal sectional view near the outer edge of in FIG. 1 shown insole for footbed;

FIG. 2b

a longitudinal sectional view near the inner edge of in FIG. 1 shown insole for footbed;

Figure 2c

a longitudinal sectional view along the central longitudinal axis of in FIG. 1 shown insole for footbed;

Figure 3a, 3b

in the FIG. 1 and FIG. 2 Illustrations of the insole shown superposition of the skeletal parts of an anatomical foot;

FIG. 4

a plan view of an embodiment of a shoe and

FIG. 5

a side view on the in FIG. 4 shown embodiment of a shoe.

The FIG. 1 shows an embodiment of an insole 1, which shows a contact surface for the foot-forming upper side 2 in the drawing upwards and a forefoot supporting the front portion 3 and a rear portion 4 includes. Between the front region 3 and the rear region 4, a cushioning material 5 is placed on a base material essentially forming the insole 1. In the embodiment shown, the cushioning material extends over the entire width, ie from left to right on the insole 1. A rear boundary 6 of the cushioning material 5 extends at slightly concave curvature substantially at right angles to a central longitudinal axis L of the insole 1. A front boundary 7 of the cushioning material 5 is curved significantly convex. The convexity of the cushioning material 5 substantially corresponds to the transverse arch of the foot and serves to uniform force transmission to the metatarsus. The intersection of this front boundary 7 with the left, ie outer edge 8 of the insole 1 is further back than the corresponding intersection with the inner edge 9 of the insole 1. In front of the front boundary 7, the base material forms a toe end pad 10. At the outer edge 8, the edge of this toe end pad 10 is convexly curved. The inner edge 9 of the toe end support 10 extends almost in a straight line and merges into an approximately rectangular corner 12. Through this corner 12 is created sufficient space for the toe end of the inner toe and prevents it from abutting the edge boundary of the insole 1 receiving shoe.

The FIG. 2 shows a side view of the in FIG. 1 shown embodiment of an insole. It is not a sectional view of the outer edge 8. Nevertheless, the cushioning material 5 has been hatched for clarity.

An underside 13 of the insole is substantially planar. At the in FIG. 2 shown illustration, the toe end pad 10 is slightly raised forward relative to the rest of the bottom 13. The upper side 2 is essentially flat in the region of the toe end support 10. Between the toe end pad 10 and a crest line 15 which extends across the insole 1 in the width direction, a rear ramp 16 is formed by the base material. The rear ramp 16 has a substantially linear straight course, which is illustrated by a tangent 17 to the rear ramp 16. Behind this rectilinear region, the rear ramp 16 is convexly curved. The ramp 16 ends when the apex line 15 is reached. The upper side 2 of the insole 1 is also convexly curved behind the crest line 15. However, it essentially reaches a plateau 24 which is considerably higher than the toe end pad 10.

Between the substantially planar toe end pad 10 and the rear ramp 16, a front ramp 18 is formed by the base material. The front ramp 18 is paragraph-free and continuous in the flat toe pad 10 over. The two ramps 16, 18 form a convexly shaped transition region, which forms a bottom 19 of the trough 20 formed by the two ramps 16, 18 as the lowest point.

The trough 20 is covered with the padding material 5. This padding material has an underside adapted to the contour of the trough 20 and receives the contour of the toe end pad at its front end, so that the toe end pad passes into the front area of the padding material 5 without heels and continuously. Thereafter, the upper side 14 of the cushioning material 5 shows a slightly concave curvature until the upper side 14 of the cushioning material 5 transitions into a substantially straight-line region 21 approximately at the level of the tangent 17. At the rear end of the cushioning material 5 runs pointed and wedge-shaped.

The side view of the insole 1 according to the FIG. 2 and the sectional views according to the FIGS. 2a to 2c illustrate the specific embodiment of the embodiment. Between the bottom 19 and the highest point of the crest line 15, a height difference ΔH of about 3.3 cm to 4.5 cm is bridged. This height ΔH is measured along a line which is perpendicular to a bottom tangent 22, ie, a tangential line along the bottom 13 of the insole 1, which includes an intersection S between the bottom 13 and the tangent 17. The trapped between the tangent 17 and the bottom tangent 22 Angle α is presently 35 °. A tangent 25 to the rectilinear region 21 of the front ramp 18 encloses an angle β of 16 ° with the bottom tangent 22. The rectilinear region 21, ie a tangent to the rear, ramped surface of the cushioning material 5 encloses an angle γ of 28 ° with the bottom tangent 22. The height difference ΔH _z between the toe pad 10 and the highest point of the apex line 15 is about 3.9 cm. The highest point 23 of the crest line 15 is in FIG. 2 denoted by reference numeral 23. The highest point 23 is close to the inner edge 9 of the insole 1, but in a region in which a supported over the insole foot is still supported, ie not on the outside, the foot slightly trough-limiting edge. The height difference ΔH _z between the base 19 and the vertex on the outer edge 8 of the insole 1 is still 2.8 cm.

The heel of a user is supported on the plateau 24, which is about 2.6 cm above the ground 19 (ΔH ₁ ) in the rear region and about 2.8 cm (ΔH ₂ ) above the ground 19 in the region of the scaphoid bone. These figures apply to the support surface for a shoe supported on the insole in the outer area. ΔH ₁ is approximately constant over the entire support surface. ΔH ₂ is about 1 to 3 mm higher on the inside than on the outside. All height differences ΔH refer to the surface part at the upper side 2, which supports the foot vertically.

The FIGS. 3a and 3b clarify the specific embodiment of the embodiment in a functionally supported on the insole base 30, which is located with its skeleton above the top. Accordingly, the crest line 15 is located in the area of the sphenoid bone 31. The heel bone 33 is supported on the plateau 24, in the rear, slightly lowered and longitudinally substantially rectilinear, but slightly inclined backward portion of the top. 2 The metatarsal line 34 is located approximately in the bottom 19 of the trough 20. The toe base members 35 are partially still on the padding material 5. The toe end members 36 are on the toe end pad 10th

The rear end of the metatarsal bones 37, which are connected to each other via the lisfrancsche line 38, corresponds approximately to the course of the crest line 15. Through the ramp 18, the metatarsal bones 37 are inclined downwards. This leads to a certain elongation of the short foot muscles and an increased load bearing in the rear area of the foot.

To the sectional views of FIGS. 2a to 2c It should be noted that in these only the contour of the insole is shown at the level of the corresponding section. Behind the sectional view contours of the insole 1 are not shown. Both FIGS. 2a to 2c but is shown on the insole 1, a lower soft bed 100 and an upper soft bedding 110 placed. These soft beds 100 and 110 have a constant strength. The lower soft bedding is a relatively hard Lycra pad, which is almost completely reversible deformable. The upper soft bed 110 is also made of Lycra, which, however, has visco-elastic properties. In the sectional views 2a to 2c, further, a horizontal H is drawn, which rests in the front region of the insole 1 on the underside of the same, in the heel area, however, extends over the bluff Sp from the bottom of the insole 1 spaced. The drawings, especially the sectional views illustrate the embodiment to scale. As far as it comes to the realization of the present invention to exact dimensions for a given foot or shoe size, the dimensions can be directly taken from the accompanying drawings. The dimensions are essential to the invention.

The FIGS. 4 and 5 show a previously described insole 1 receiving shoe 40. The contour of the cushioning material 5 is shown in dashed lines to illustrate the position of the insole 1.

The shoe 40 comprises an outsole 41, which has a longitudinally convexly curved running surface 43 in the front region for forming a ball roller 42. Behind a point 44 which corresponds approximately to the bottom 19 of the trough 20, the tread 43 is substantially rectilinear. This rectilinear portion of the outsole 41 is designated by reference numeral 45. To the rear, a heel roll 46 connects, which should promote a smooth appearance while running. An upper 47 of the shoe 40 is made of various materials. The upper 47 is reinforced on the one hand by inserts 48, which may consist of an inelastic, relatively high tensile strength material, such as leather or a plastic with similar properties. The inserts 48 surround the same circumferentially below an upper end of a shaft 49 and depart from a reinforcement 50 for a lacing 51. The inserts 48 are connected in the region of the outsole 41 approximately in the extension of the tibia or fibula. The insert 48 shows at this approach point an approximately Y-like configuration and branches on the one hand to the reinforcement 50 of the lacing 51 and back to the peripheral version of the rear portion of the shoe 40. Another, approximately arcuate insert 52 is also on the outsole 41 and extends slightly arcuately from there forward to reinforce the front end of the reinforcement 50 of the lacing 51. At the rear of this further insert 52, the upper is formed from a Lycra blanket with viscoelastic foam 53. This provides a good, yet sufficiently stable guidance of the rear portion of the foot, which prevents slagging. Before the other inserts 52, the upper 47 is made of neoprene 54th Der Shoe 40 has a tongue 55 which is wider than the lacing 51. The tongue 55 may be covered forwardly by a hook and loop fastener 56 which may modify the neoprene material 54 in terms of its mobility in the front region of the shoe 40 and stiffen the shoe 40 in the circumferential direction. Otherwise, neoprene 54 is highly elastic deformable, but reversible and water repellent, so that pressure points in the front region of the foot through the upper 47 are not to be feared.

The outsole 41 may be optimized in terms of skid resistance and have a certain rigidity. If the outsole 41 is uniformly formed from a plastic material, this should have a Shore A hardness of between 70 and 80. However, the outsole 41 may also be made softer and stiffened by a carbon sole indicated by reference numeral 57. The goal is that of the insole 1 supporting part of the shoe 40 is substantially rigid and does not allow bending under normal stress, especially when walking or running.

LIST OF REFERENCE NUMBERS

1

insole

2

top

3

Front area

4

The backstage area

5

upholstery

6

Rear limit

7

Front limit

8th

Outer edge

9

Inner edge

10

Zehenendauflage

12

corner

13

bottom

15

crest line

16

Rear ramp

17

Tangent, rear ramp

18

Front ramp

19

reason

20

trough

21

Straight line area

22

Bottom tangent

23

The highest point

24

plateau

25

Tangent, front ramp

30

foot

31

sphenoid

32

scaphoid

33

calcaneus

34

Metatarsal line

35

Metatarsophalangeal link

36

distal phalange

37

metatarsals

38

Lisfranc's line

40

shoe

41

outsole

42

ball roll

43

tread

44

Point

45

Straight line section

46

heel role

47

uppers

48

commitment

49

shaft

50

reinforcement

51

lacing

52

Further use

53

Lycra

54

neoprene

55

tongue

56

velcro fastener

57

Carbon use

100

Lower soft bedding

110

Upper soft bedding

A

Shore hardness

L

central longitudinal axis

S

intersection

AH

Height difference reason

ΔH _z

Height difference toe end support

ΔH ₁

Height difference rear area

ΔH ₂

Altitude difference Pipe leg

H

horizontal

sp

blasting

Claims (23)

An insole (1) with a bottom (13) which can be placed on a shoe (40) and an upper surface (2) forming a contact surface for the foot with a front region (3) supporting the forefoot and a rear region (4),
marked by
a trough (20) provided between the front and rear portions (3; 4) forming to the rear portion a rear ramp (16) having a height difference (ΔH) from a bottom (19) of the trough (20) a plateau (24) of the rear region (4) of between 3 cm and 3.5 cm with shoe sizes up to 44 and between 3.3 cm and 4.5 cm with shoe sizes from 44 bridged and with an elastic and reversible resettable padding material ( 5) is occupied. An insole (1) according to claim 1, characterized in that the padding material (5) has a Shore A hardness of between 8 and 18, preferably between 10 and 15. Insole (1) according to one of the preceding claims, characterized in that the padding material (5) is applied to a substantially forming the insert harder base material having a Shore A hardness of between 30 and 40. Insole (1) according to one of the preceding claims, characterized in that a tangent (17) attached to the rear ramp (16) and a bottom tangent containing the point of intersection (S) between this tangent (17) and the underside (13) (22) to the underside (13) between them an angle (α) of between 25 ° and 38 °, preferably between 23 ° and 30 ° for shoes up to size 44 and between 30 ° and 40 °, preferably between 32 ° and 38 ° for shoes from size 40 onwards. Insole (1) according to one of the preceding claims, characterized in that the trough (20) is delimited to the front by a front ramp (18) which is designed such that a tangent (25) to the top of the front ramp (18 ) with the bottom tangent (22) an angle (β) of between 13 ° and 23 °, preferably between 15 ° and 20 °. Insole (1) according to one of the preceding claims, characterized in that the base (19) of the trough (20) in the area of the metatarsal line (34) of a functionally supported on the insert foot (30) is provided. Insole (1) according to one of the preceding claims, characterized in that the padding material (5) without heels and continuously merges into a formed by the base material toe end pad (10). Insole (1) according to one of the preceding claims, characterized in that the toe end support (10) has a thickness of between 3 mm and 6 mm. Insole (1) according to one of the preceding claims, characterized in that the base material in the region of the base (19) has a thickness of 1 mm to 3 mm. Insole (1) according to one of the preceding claims, characterized in that the padding material (5) forms on the rear ramp (16) a ramp-like surface which between itself and the sub-tangent (22) forms an angle (γ) of between 13 ° and 22 ° for shoe sizes up to 44 and from 15 ° to 25 ° for shoe sizes from 44. An insole (1) according to one of the preceding claims, characterized in that a vertex (15) delimiting the rear ramp (16) is provided approximately at the level of the lifelike line of a foot (30) supported on the insole (1). Insole (1) according to one of the preceding claims, characterized in that the surface of the cushioning material (5) in the longitudinal direction of the insole (1) is formed substantially planar. Insole (1) according to one of the preceding claims, characterized in that the surface of the padding material (5) in the transverse direction of the insole (1) is formed substantially planar. Shoe (40), characterized by an insert according to one of the preceding claims and a blast of between 0.8 cm and 2 cm, preferably between 1 cm and 1.5 cm. Shoe (40) according to claim 14, characterized by a stiff outsole (41) with a Shore A hardness of between 70 and 80. Shoe (40) according to claim 14 or 15, characterized by an approximately at the level of the metatarsal joints (34) outgoing and through the outsole (41) formed bale roll (42). Shoe (40) according to claim 16, characterized in that the outsole (41) from the metatarsal joint (34) outgoing initially initially formed substantially flat. Shoe (40) according to one of claims 13 to 17, characterized in that the upper material (47) in the front region of the shoe (40) is formed from a visco-elastic material. Shoe (40) according to one of claims 13 to 18, characterized by a lacing (51) reaching at least as far as the metatarsal line (34). Shoe (40) according to one of claims 13 to 19, characterized by a padded tongue (55). Shoe (40) according to claim 20, characterized in that the tongue (55) is formed with a width such that in a laced shoe (40) the entire lacing (51) is covered by the tongue (55). Shoe (40) according to any one of claims 13 to 21, characterized in that in the rear region a padded upper material (47) is provided. A shoe (40) according to any one of claim 22, characterized in that the padded upper (47) is a Lycra blanket (53) with visco-elastic foam.

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