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EP3609360B1 - Lit plantaire pour talons - Google Patents

Lit plantaire pour talons Download PDF

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Publication number
EP3609360B1
EP3609360B1 EP18717365.3A EP18717365A EP3609360B1 EP 3609360 B1 EP3609360 B1 EP 3609360B1 EP 18717365 A EP18717365 A EP 18717365A EP 3609360 B1 EP3609360 B1 EP 3609360B1
Authority
EP
European Patent Office
Prior art keywords
elevation
footbed
foot
region
main body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18717365.3A
Other languages
German (de)
English (en)
Other versions
EP3609360A1 (fr
Inventor
Hans Christof Reinhold BAUM
Hans Peter Baum
Ute Ingrid BAUM
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Black Forest Footwear Technologies GmbH
Original Assignee
Black Forest Footwear Technologies GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Black Forest Footwear Technologies GmbH filed Critical Black Forest Footwear Technologies GmbH
Publication of EP3609360A1 publication Critical patent/EP3609360A1/fr
Application granted granted Critical
Publication of EP3609360B1 publication Critical patent/EP3609360B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/142—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the medial arch, i.e. under the navicular or cuneiform bones
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/02—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient
    • A43B17/026—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient filled with a non-compressible fluid, e.g. gel, water
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/1425—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the ball of the foot, i.e. the joint between the first metatarsal and first phalange
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/1435—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the joint between the fifth phalange and the fifth metatarsal bone
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/1445—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the midfoot, i.e. the second, third or fourth metatarsal
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/145—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the toes, i.e. the phalanges
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/28—Adapting the inner sole or the side of the upper of the shoe to the sole of the foot

Definitions

  • the present invention relates to a footbed for a heel shoe, comprising a sole-shaped base body, such as a flat insert, with a forefoot area, a metatarsal area and a rearfoot area, and with at least one elevation arranged on a flat upper side for supporting a foot.
  • a sole-shaped base body such as a flat insert
  • Shoes with a heel area that is significantly higher than a forefoot have been very popular for many years, especially among women.
  • Heel shoes are defined by the fact that the rear foot area is at least 2 cm higher than the forefoot area. While in flat shoes the weight of a person or the pressure on the human foot is mostly evenly distributed over the forefoot, metatarsal and heel area, in high heel shoes the main load is primarily concentrated on the forefoot area due to the increased heel position. Especially with extremely high and thin heel shoes, the front part of the foot, i.e. the ball of the foot, is stressed.
  • an insole for a heel shoe in which, by means of a crescent-shaped elevation arranged in the rear foot area for supporting a heel and a circular elevation arranged in the metatarsal area for supporting a metatarsal, the pressure is distributed on a tread surface of a foot at least partially from the forefoot area in the direction of the middle - and rear foot area can be shifted.
  • a heel shoe with a foot sole which has an essentially triangular elevation in a midfoot area and a full-area elevation in a rear foot area to support the foot.
  • a footbed sole with a circumferential raised edge arranged on an upper side to improve the seating comfort of a shoe is known.
  • a shoe insert for cyclists is known in which elevations are provided in a forefoot area and in a rearfoot area.
  • a method for producing an orthosis with elevations arranged on the upper side of the footbed is known.
  • the object of the present invention is therefore to provide a footbed for a shoe that improves at least one of the above-mentioned disadvantages and in particular enables a uniform pressure distribution on the tread surface with a simultaneously improved rolling behavior.
  • this object is achieved by a footbed with the features of main claim 1 and by a shoe with the features of main claim 14.
  • Advantageous configurations and developments of the invention are disclosed in the subclaims, the description and the figures.
  • exemplary methods for producing and installing the footbed are proposed which allow an elegant and high-quality design of the shoe to be combined with maximum comfort and long-term orthopedic compatibility.
  • the footbed according to the invention has a base body which, in the metatarsal area, has a first elevation in the area of an inner foot side (medial) and a second elevation in the area of an outer foot side (lateral).
  • the elevations each preferably have a convex upper side and each form a pressure-increased zone, whereby both a mechanical support of individual foot areas and a stimulation of individual nerve cells and muscles of the foot used for positioning and rolling movement can be brought about.
  • the thickness of the elevations depends in each case on the relative base thickness of the sole thickness, but the elevations can also be positioned on an insole of a shoe without a connecting, continuous sole base.
  • the pressure acting on the foot can be distributed in an advantageous manner in a targeted manner not only in its longitudinal extent but also transversely to the longitudinal extent over almost the entire foot contact area, in particular in the forefoot and rear foot area.
  • the elevations are in the longitudinal extension of the Base body arranged offset to one another.
  • the first elevation can be arranged in an area of the base body in such a way that its highest point when a foot rests below the projection of the medial heel bone (sustentaculum tali), and the second elevation in an area of the base body in which when one foot rests Foot the distal end of the fifth metatarsal (metatarsalia) is arranged.
  • the second elevation thereby preferably acts as a lateral counter-bearing to the first elevation.
  • a pair of active surfaces can be formed, which has a pressure load distributed over the entire width and length of the foot, in particular in the forefoot and rearfoot area, as well as an improved rolling movement of the foot, particularly similar to that of a flat shoe Walking enables.
  • a rolling curve can be achieved that is clearly S-shaped, in particular from the first elevation arranged on the inner foot side outwards laterally to the second elevation arranged on the outer foot side and then back to the area on the inner foot side in which the metatarsophalangeal joint of the big toe rests. In this way, in particular, stepping on only the medial forefoot, also called “stumbling", can be avoided and an improved gait can be achieved.
  • the arrangement and combination of the elevations according to the invention thus surprisingly brings about both improved pressure distribution and improved foot motor skills.
  • the first elevation extends from the metatarsal area to the rear foot area.
  • the first elevation in the longitudinal extension of the base body is particularly preferably designed in equal parts, in particular in half and / or symmetrically, in the metatarsal area and the rear foot area.
  • the longitudinal extension of the first elevation can differ significantly from the longitudinal arch supports known to the person skilled in the art, which are usually located significantly further forward with their area of gravity and / or their longitudinal extension.
  • This particular inventive characteristic allows the pressure load in the heel area to be transferred from the center of the heel area to an edge area, so that the pressure distribution in the heel area, in particular across the longitudinal extension of the base body, can be distributed over almost the entire contact surface.
  • the heel can reach behind the elevation in the longitudinal extension of the base body should be avoided so that the elevation is perceived as relatively comfortable.
  • the first elevation is preferably formed exclusively in a half of the base body directed in the longitudinal extension of the base body to the rear foot region and the second elevation exclusively in a half of the base body directed in the longitudinal extension to the forefoot region. In this way, a particularly uniform pressure distribution in the forefoot and rearfoot area can be achieved in an advantageous manner.
  • the first elevation is preferably crescent-shaped and extends along an inner foot side edge in the longitudinal extension of the base body, a highest point of the elevation preferably being arranged in the area of the inner foot side edge, in particular below the sustentaculum tali of a foot on the footbed.
  • the first elevation is particularly preferably designed to increase continuously in the direction of the inner foot side edge, the corner points of the sickle shape preferably lying on the inner foot side edge, so that the particularly circular, semicircular or elliptical elevation extends in the direction of a longitudinal axis of the base body.
  • the deliberate punctual support on the medial inside of the footbed not only leads to a pressure shift back, but also to a horizontal tilting of the heel bone and, due to this supination posture, in particular to a tension of the longitudinal muscles in the arch of the foot, which in turn leads to a targeted increased stress on the plantar foot muscles and the outer edge of the forefoot.
  • the first elevation preferably has a longitudinal tilting formed in the longitudinal extension of the base body and a transverse tilting formed transversely to the longitudinal extension of the base body.
  • the top contour of the base body can be tilted at least in sections by a first angle and by a second angle from the horizontal according to an exemplary, biaxial tilting, the first angle leg being rotated at a positive angle between 20 and 35 degrees about an axis of rotation, which can be arranged essentially parallel to the longitudinal axis of the base body, and the second angle leg is rotated at a positive angle between 2 and 22 degrees about a second axis of rotation which is arranged essentially parallel to a transverse axis of the base body.
  • the pressure distribution can be enlarged and the feeling of pressure on the elevation can be improved.
  • a pressure load or a pressure which would act on the forefoot without the elevation can be absorbed in the side area of the rear foot area.
  • the first elevation is preferably designed in such a way that the area of the first elevation projected onto a horizontal plane forms 5% to 25% of the area of the entire base body projected onto the horizontal plane.
  • the second elevation is essentially rectangular, round, semicircular, trapezoidal or elliptical and designed to increase in the direction of an outer foot side edge.
  • the second elevation particularly preferably has an upper side contour that rises continuously or is concave towards the outer foot side edge.
  • a material thickness of the base body is preferably greater in the area of the first elevation than in the area of the second elevation.
  • the first elevation can be made higher than the second elevation orthogonally to a flat underside of the base body. This is particularly advantageous since the compressive forces occurring in the area of the first elevation, in particular the rear foot area, are usually greater than the compressive forces occurring in the area of the second elevation, in particular the lateral side area of the foot.
  • At least one additional third elevation is arranged in the metatarsal area.
  • the third elevation can in particular serve to support a foot retrocapitally.
  • the third elevation is preferably arranged centrally in the front metatarsal area in the transverse extent of the base body.
  • the third elevation based on the longitudinal axis of the base body, can each be formed in half in a lateral foot side area and a medial foot side area.
  • the third elevation is especially tear-shaped or triangular in its longitudinal extension.
  • the third elevation is particularly preferably arranged in the region of the base body in which the second and third metatarsal bones are disposed when a foot is located on the base body.
  • both a mechanical support of individual foot areas and a stimulation of individual nerve cells serving to position the foot and thus to distribute pressure in the shoe can be brought about.
  • activation of the longitudinal arch muscles of the foot can be triggered by means of the third elevation, which is necessary for healthy unrolling of the foot.
  • the base body preferably has a homogeneous material thickness in the area of the third elevation.
  • the base body has a constant material thickness in the area of the third elevation. This is preferably done through a concave recess arranged on the underside of the base body.
  • a transverse axis preferably running through the center of the third elevation, can act as an axis of articulation or rotation for the footbed, so that the footbed and optionally also the shoe can buckle longitudinally about the axis of articulation, especially when the foot rolls while walking. This causes a sensation on the foot that is similar to that of a flat shoe.
  • At least one forefoot elevation is additionally arranged in the forefoot area.
  • a compressive force acting in particular in the direction of the forefoot can be absorbed by the foot in the proximal toe area.
  • a first forefoot elevation is preferably designed as a toe gripper and comprises a crescent-shaped arch extending essentially over the entire width of the base body.
  • the toe gripper has a bead-like shape and is preferably formed in that area of the base body in which the first, second, third, fourth and fifth proximal toe bones (phalanx proximalis) are arranged when the foot is on the base body.
  • the toe gripper extends between the lateral and medial foot side area of the base body, in particular from that area in which the first and / or second toe bone is arranged when the foot is on the base body, obliquely in a proximal direction to the outer foot side edge of the base body.
  • the toe gripper can be designed in such a way that it protrudes into a toe arch. As a result, a pressure force acting in the direction of the forefoot can already be absorbed by the foot in the proximal toe area, so that the pressure load can be shifted further back in the longitudinal extension of the base body.
  • the base body preferably has an additional bulge on a flat underside, in particular in the forefoot area, which is preferably used in heel shoes with a plateau.
  • the bulge is nothing more than an elevation protruding on the underside of the base body, in particular a second forefoot elevation arranged on the underside, which is preferably absorbed by a corresponding recess in the material of the plateau.
  • the base body has an increased thickness of the sole material, which is softer compared to the plateau of the heel shoe.
  • the bulge serves as a big toe joint damper, which further favors the absorption of pressure in the lateral forefoot area compared to the medial forefoot area and thus contributes indirectly to the improved foot motor skills.
  • the bulge is preferably arranged such that at The foot located on the main body of the metatarsophalangeal joint damper is arranged in the distal region of the first and second metatarsal bones when viewed from the vertical projection.
  • the base body and the elevations are preferably constructed as a unit from a homogeneous substance or mixture of substances.
  • the base body can be made, for example, from a viscoelastic material or from a polypropylene or plastic, in particular polyurethane or ethylene-vinyl acetate.
  • the homogeneous substance or substance mixture can be present in a locally different density in the base body, so that one or more zones in the footbed can be formed with different substance properties.
  • the density distribution can in particular be such that the footbed has a greater hardness in the heel area than in the forefoot area and / or that the footbed has a lower elasticity in the heel area than in the forefoot area.
  • the hardness or material density of the footbed can be made softer or more elastic in the forefoot area and harder or less elastic in the rearfoot area and in particular a preferred Shore hardness of 20 plus / minus 10 Shore A in the forefoot area and 50 plus / have minus 10 Shore A in the rear foot area.
  • the footbed can thus be produced in a relatively simple manner and inexpensively. This is particularly advantageous if the footbed is intended for mass production or as a ready-made product.
  • the elevations are preferably each formed by a separate element arranged on the base body, in particular as a locally arranged gel insert.
  • the first elevation, the second elevation, the third elevation, the toe gripper and / or the big toe joint damper can be designed as one or more separate elements that are placed on a midsole of the shoe without direct connection and / or as separate elements with the Basic body are connected.
  • the elevations can be arranged on the base body individually for each foot according to individually recorded specifications of a foot geometry. In this way, a particularly effective mechanical support of individual areas of the foot as well as a particularly effective stimulation of individual nerve cells serving to position the foot and thus to distribute pressure in the shoe can be brought about.
  • At least the base body and / or some of the planar elevations are manufactured by means of a 3D printing process known per se, in particular using plastic as the manufacturing material.
  • a 3D printing process known per se, in particular using plastic as the manufacturing material.
  • an optical and / or printing measurement of the foot can in particular first take place.
  • the footbed is then individually produced in accordance with the previously recorded data of the foot, in particular the size and the position of the elevations can be adjusted absolutely and / or relative to one another individually according to the previously determined specifications.
  • the highest point of the first elevation can be arranged directly below the sustentaculum tali of a respective foot.
  • the footbed can be produced particularly individually, automatically and therefore particularly inexpensively.
  • the heel shoe according to the invention has a footbed with at least one of the features mentioned above.
  • the shoe In the presence of an elevation or bulge formed on the flat underside of the footbed on an insole, the shoe preferably has a recess corresponding to the bulge of the footbed for receiving the bulge.
  • the footbed base body can advantageously have a pressure-reduced zone in the area of the bulge.
  • FIG. 1 a schematic plan view of the footbed 1 according to the invention is shown.
  • the footbed 1 has a sole-shaped base body 2 which is essentially adapted to the dimensions of a human foot 100.
  • the foot 100 located on the base body 2 is shown in the present case in an X-ray illustration with visible bones.
  • the main body 2 has a forefoot area 21, a metatarsal area 22 and a rearfoot area 23.
  • the forefoot area 21 extends in the longitudinal direction of the base body 2 from a distal end of the toes to approximately a distal area of the metatarsal bones.
  • the metatarsal region 22 extends in the longitudinal direction of the base body 2 approximately from the distal metatarsal bone to a distal end of the heel joint.
  • the rear foot region 23 extends in the longitudinal direction of the base body 2 approximately from the distal end of the heel joint to the proximal end of the heel.
  • the base body 2 has a distal or front half 28 separated by a central transverse axis M arranged transversely to the longitudinal extent of the base body 2 and a proximal or rear half 29, the central transverse axis M being arranged approximately in the area of the proximal metatarsal bones. Furthermore, the base body 2 has a lateral outer foot side 26 separated by a longitudinal axis L and a medial inner foot side 27.
  • the base body 2 has several elevations 3, 4, 5, 6, 7 on a flat upper side 24, which in the arrangement and combination according to the invention bring about an improved pressure distribution as well as improved foot motor skills.
  • a first elevation 3 is arranged on the inner foot side 27 in the metatarsal region 22 on the base body 2.
  • the first elevation 3 is designed as a zone of increased pressure and can provide both mechanical support for the foot 100 and stimulation of muscles and nerve cells.
  • the first elevation 3 is arranged in particular in that area of the base body 2, in which, when the foot 100 rests on the base body 2, the projection of the medial calcaneus (sustentaculum tali) is arranged.
  • the first elevation 3 is sickle-shaped and extends along the longitudinal axis L, in particular along the inner foot side 27, in essentially equal parts from the metatarsal area 22 to the rear foot area 23.
  • the first elevation 3 is increasingly designed in the direction of an inner foot side edge 27a , the highest point of the elevation 3 being directly below the sustentaculum tali of the medial calcaneus.
  • the corner points of the sickle-shaped first elevation 3 lie on the inner foot side edge 27a.
  • the first elevation 3 has a longitudinal tilting formed in the longitudinal extension of the base body 2 and a transverse tilting formed transversely to the longitudinal extension of the body.
  • the longitudinal tilting of the first elevation 3, as in particular in FIG Figure 2a recognizable, is formed such that an angle ( ⁇ ) between a straight line A1 connecting the lowest point 93 on the upper side 24 in the rear foot area 23 and the lowest point 91 in the forefoot area 21 and a straight line A1 projected into the longitudinal axis L of the footbed 1, between the lowest point 93 in the rear foot region 23 and a highest point 31 of the elevation 3 formed on an inner foot side edge 27a of the footbed 1, an angle ( ⁇ ) of approximately 30 ° is formed.
  • the angle can basically assume values between 20 and 35 ° or 30 ° plus / minus 10 °.
  • a longitudinal tilting of the foot 100 by approx. 5 ° is achieved at the support point on the foot 100.
  • a foot area located on the base body 2 is arranged exclusively in the area of the first elevation 3, i.e. in the inner foot side area 27, in such a way that an additional pressure force that would act on the forefoot 21 without the elevation 3 is in the side area 27 of the rear foot area 23 can be included.
  • the lowest point 91 in the forefoot area 21 is located in particular in that area of the longitudinal axis L of the base body 2 in which the base body 2 begins to rise from the plane of the forefoot area 21 in the direction of the rear foot area 23.
  • the transverse tilting of the first elevation 3, as in particular in FIG Figure 2b recognizable, is designed such that an angle ( ⁇ ) between a plane E horizontally intersecting the longitudinal axis L and a straight line A3 which is orthogonal to the longitudinal axis L and a highest point 31 of the elevation 3 formed on an inner foot side edge 27a of the footbed 1 and intersecting an angle ( ⁇ ) is formed from about 20 °.
  • the angle can assume a value between 12 ° plus / minus 10 °.
  • a transverse tilting of approximately 3 ° is achieved at the foot 100.
  • a foot area located on the base body 2 is positioned in the area of the first elevation 3 in such a way that an additional pressure force, in particular a pressure that would act on a central heel area without the elevation 3, can be absorbed in the side area 27 of the rear foot area 23.
  • a second elevation 4 is arranged on the outer foot side 26 in the metatarsal region 22 of the base body 2.
  • the second elevation 4 is essentially rectangular, trapezoidal or elliptical, the longer edge of the rectangle being arranged essentially parallel to the longitudinal axis L of the base body 2.
  • the second elevation 4 has an upper side contour that rises towards the outer foot side edge 26a and is in the present case concave, the actual or absolute elevation being relatively small.
  • the second elevation 4, viewed orthogonally to a flat underside 25 of the base body 2, is less high than the first elevation 3 Serve support of the foot 100 and in particular to stimulate muscles and nerve cells.
  • the second elevation 4 is arranged in particular in that region of the base body 2 in which the distal end of the fourth and / or fifth metatarsals is arranged when the foot 100 rests on the base body 2.
  • a fifth metatarsal bone of a foot 100 arranged in this area can be slightly raised, so that a pressure that would only act on a forefoot and inner foot area without the elevation 4 can be at least partially absorbed by the outer edge area of the foot 100, and thereby the overall pressure distribution can be balanced and adapted to the S-shaped rolling curve that is common in flat shoes.
  • the second elevation 4 maximally from the proximal end of the fifth metatarsal to the proximal area of the fifth proximal toe bone (phalanges proximales).
  • the formation of the second elevation 4 and the interaction of the oppositely arranged elevations 3 and 4 can in particular improve a rolling curve of the foot 100, which is not shown here, when walking.
  • a clearly S-shaped rolling curve can be achieved, which extends from the first elevation 3 arranged on the inner foot side 27 laterally outward to the second elevation 4 arranged on the outer foot side 26 and then back to the area arranged on the inner foot side 27 in which the metatarsophalangeal joint of the big toe extends.
  • an unpleasant appearance on only the medial forefoot is avoided.
  • the restored rolling movement of the foot which can usually only take place to a limited extent in high heel shoes, even with great strain on muscles and joints, enables an improved gait.
  • a third elevation 5 is arranged in the middle area of the base body 2 in the metatarsal area, in particular in the distal metatarsal area 22.
  • the third elevation 5 is tear-shaped and serves to support the foot 100 retrocapitally Foot 100 are triggered, which is required for healthy rolling of the foot 100.
  • the base body 2 has a homogeneous material thickness D in this area, in particular through a recess 8 formed on the underside 25 and corresponding to the third elevation 5.
  • the third elevation 5 is convex and the recess 8 is concave .
  • a transverse axis (not shown), preferably located centrally through the third elevation 5, can act as an axis of articulation or rotation for the footbed 1, with the footbed 1 and optionally also an entire shoe in particular during a rolling movement of the foot 100, for example when walking can bend in this area in the longitudinal direction about the bend axis.
  • a sensation similar to that of a flat shoe can be generated on the foot 100, but nevertheless a proprioceptive effect that activates the muscles is triggered to support the rolling function of the foot will.
  • This such underside excavation and the unusually small and inconspicuous expression of the third elevation in terms of area represent a significant improvement in the support compared to conventional metatarsal pads, as are known to the person skilled in the art, in particular for use in flat shoes.
  • the toe gripper 6 has a crescent-shaped curvature which extends essentially over the entire width of the base body 2.
  • the toe gripper 6 is arranged in particular in that region of the base body 2 in which the proximal toe bones 1 to 5 of the foot 100 are arranged.
  • the toe gripper 6 can protrude into a toe arch and there counteract a pressure force directed in the direction of the forefoot area 21, which in a high heel without a comparable toe gripper could lead to the foot 100 sliding too much forward and the first elevation 3 no longer being optimal lies below the Sustentaculum Tali.
  • the toe gripper 6 helps to compensate for the increased stress on the plantar foot muscles (flexor digitorum brevis), which is triggered by the first elevation 3 and the second elevation 4, in that the toe gripper 6 relaxes the flexor tendons and flexes the lumbrical muscles so that the forefoot is reached.
  • the toe gripper 6 is therefore required so that the foot 100 does not cramp during the rolling movement promoted by the remaining elevations.
  • a fifth elevation 7 is arranged on the flat underside 25.
  • the fifth elevation 7, also called a bulge, serves as a big toe joint damper and is nothing more than an elevation protruding from the underside 25 of the base body 2.
  • the base body 2 has an increased material thickness D in the area of the bulge 7 with a flat upper side 24 in order to form a pressure-reduced zone. Due to the big toe joint damper 7 and the generally soft and continuous footbed 1, in particular the pressure load concentrated on a partial area of the forefoot area 21 can be partially shifted to the entire width of the forefoot area 21 and the rearfoot area 23.
  • the big toe joint damper 7 and the toe gripper 6 hang directly with the balance of the light Raising the inside of the foot 27 (supination), together because this causes on the one hand an increased rolling of the foot 100 over the metatarsophalangeal joint and on the other hand a "forward turning" of the foot 100, which has a positive effect on the gait and through the two elements 7 and 6 is balanced.
  • FIGs 3a and 3b shows a comparison of the pressure load on the foot 100 when a woman walks with the same heel shoes on the one hand with a conventional footbed S and on the other hand with the footbed 1 according to the invention for comparison.
  • the comparative representations thus show the result of a practical investigation.
  • the pressure load is represented by dark circles, in particular in the forefoot area 21 with the reference numeral 101 and in the rear foot area 23 with the reference numeral 102.
  • the footbed S shown on the right half of the illustration illustrate the pressure load on the footbed S or on an underside of a foot 100 when using the conventional footbed S.
  • the weight or pressure force acting on the footbed S is in each case on a small part of the forefoot area 21 is concentrated.
  • the pressure load in the forefoot area 21 is highest in the area of the first four toes.
  • the pressure load in the area of the fifth toe that is to say on the outer foot side 26 of the forefoot area 21, as well as in the rear foot area 23 of the conventional footbed S is relatively low.
  • the pressure on foot 100 is concentrated predominantly on the forefoot area, in particular on the medial forefoot and here in particular on the distal area of the first and second metatarsal bones.
  • wearing a high heel shoe with such a footbed S is relatively uncomfortable in the long run and can cause pain not only on the foot 100 but also due to the misalignment of the foot 100 in the back up to the neck of the person wearing the shoe.
  • the footbed 1 according to the invention shown on the left half of the illustration shows the pressure load when the same heel shoe is used with the footbed 1 according to the invention an outer foot side edge 26a, as well as distributed over almost the entire surface of the rear foot region 23.
  • the pressure on the foot 100 is distributed over the entire length and width B of the footbed 1, with the exception of the metatarsal area 22, which is virtually unloaded.
  • the design of the footbed 1 according to the invention and in particular the interaction of the elevations 3, 4, 5, 6, 7 achieve a pressure redistribution away from the medial forefoot to the rear foot and a healthy rolling movement of the entire foot 100.
  • the elevations 3, 4, 5, 6, 7, and the resulting slight lifting of the inside of the foot stimulate or irritate certain nerve tracts or muscles (proprioception) to improve the rolling movement of the entire foot.
  • wearing a heel shoe with such a footbed 1 according to the invention is pleasant and comfortable even over a longer period of time.
  • the base body 2 and the elevations 3, 4, 5, 6, 7 are constructed as a unit from a homogeneous substance or mixture of substances. This makes the production of the footbed particularly inexpensive. It is provided that the base body 2 and the elevations 3, 4, 5, 6, 7 are produced by means of a so-called 3D printing process known per se.
  • the surface contours of the base body 2 can be individually adapted to a human foot 100. In particular, this method can initially be used to measure the foot optically and / or by means of printing. The footbed can then be individually manufactured according to the recorded data of the foot.
  • a viscose-elastic material or - preferably in the case of printing production - a polypropylene is preferably used as the production material for the base body 2.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Claims (15)

  1. Assise plantaire (1) pour une chaussure à talon, une zone d'arrière-pied étant au moins 2 cm plus haute que la zone d'avant-pied,
    comprenant un corps de base (2) en forme de semelle comportant une zone d'avant-pied (21), une zone métatarsienne (22) et une zone d'arrière-pied (23) et comportant au moins une élévation (3, 4, 5, 6, 7) disposée sur une face supérieure (24) plate permettant de supporter un pied (100),
    dans laquelle le corps de base (2) dans la zone métatarsienne (22) comporte une première élévation (3) dans la zone d'un côté intérieur du pied (27), laquelle s'étend de la zone métatarsienne (22) à la zone d'arrière-pied (23), et une deuxième élévation (4) dans la zone d'un côté extérieur du pied (26), et les élévations (3, 4) sont disposées décalées l'une par rapport à l'autre dans le prolongement longitudinal du corps de base (2),
    et la deuxième élévation (4) est sensiblement rectangulaire, ronde, semi-circulaire, trapézoïdale ou elliptique et formée pour augmenter en direction d'un bord de côté extérieur du pied, et ainsi les quatrième et cinquième os métatarsiens d'un pied, lesquels peuvent être disposés dans ladite zone peuvent être élevés de telle sorte qu'une pression, laquelle, sans l'élévation, n'agirait que sur une zone partielle de la zone d'avant-pied, en particulier la zone intérieure de pied, peut être au moins partiellement absorbée depuis la zone périphérique extérieure du pied,
    dans laquelle au moins une troisième élévation (5) supplémentaire est disposée dans la zone métatarsienne (22).
  2. Assise plantaire (1) selon la revendication 1, caractérisée en ce que la première élévation (3) n'est formée que dans une moitié (29) du corps de base (2) dirigée dans le prolongement longitudinal du corps de base (2) vers la zone d'arrière-pied (23) et la deuxième élévation (4) n'est formée que dans une moitié (28) du corps de base (2) dirigée dans le prolongement longitudinal du corps de base (2) vers la zone d'avant-pied (21).
  3. Assise plantaire (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que la première élévation (3) est formée en forme de faucille et s'étend dans le prolongement longitudinal du corps de base (2) le long d'un bord de côté intérieur du pied (27a).
  4. Assise plantaire (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que la première élévation (3) présente une inclinaison longitudinale (α) formée dans le prolongement longitudinal du corps de base (2) et une inclinaison transversale (β) formée transversalement par rapport au prolongement longitudinal du corps de base (2).
  5. Assise plantaire (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que la première élévation (3) est formée de telle sorte que la surface (32) de la première élévation (3) projetée sur un plan horizontal (E) forme 5 % à 20 % de la surface (20) totale du corps de base (2) projetée sur le plan horizontal (E).
  6. Assise plantaire (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que la deuxième élévation (4) est sensiblement rectangulaire et est formée pour augmenter en direction d'un bord de côté extérieur du pied (26a).
  7. Assise plantaire (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que dans la zone de la première élévation (3), une épaisseur de matériau (D) du corps de base (2) est supérieure à une telle épaisseur dans la zone de la deuxième élévation (4).
  8. Assise plantaire (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que le corps de base (2) présente une épaisseur de matériau (D) constante dans la zone de la troisième élévation (5).
  9. Assise plantaire (1) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'au moins une élévation d'avant-pied (6) est disposée dans la zone d'avant-pied (21), laquelle est de préférence formée comme une tong et comprend une courbure en forme de faucille s'étendant sensiblement sur toute une largeur (B) du corps de base (2).
  10. Assise plantaire (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que le corps de base (2) comporte en outre une élévation (7) sur une face inférieure (25) plate, en particulier dans la zone d'avant-pied (21).
  11. Assise plantaire (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que le corps de base (2) et les élévations (3, 4, 5, 6, 7) sont construits comme une unité à partir d'une matière homogène ou d'un mélange de matières.
  12. Assise plantaire (1) selon l'une quelconque des revendications 1 à 10, caractérisée en ce que les élévations (3, 4, 5, 6, 7) sont formées respectivement au moyen d'un élément séparé disposé sur le corps de base (2), en particulier comme couche intermédiaire de gel disposée localement.
  13. Assise plantaire (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que le corps de base (2) et/ou l'au moins une des élévations (3, 4, 5, 6, 7) sont fabriqués au moyen d'un procédé d'impression 3D.
  14. Chaussure à talon comportant une assise plantaire (1) selon au moins l'une quelconque des revendications précédentes
  15. Chaussure selon la revendication 14, dans laquelle une élévation (7) est située sur une face inférieure (25) plate du corps de base (2), caractérisée en ce que dans une semelle intérieure de la chaussure, un évidement correspondant à l'élévation (7) permettant de recevoir l'élévation (7) est formé.
EP18717365.3A 2017-04-13 2018-04-12 Lit plantaire pour talons Active EP3609360B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017108095.3A DE102017108095B4 (de) 2017-04-13 2017-04-13 Fußbett für Schuhe
PCT/EP2018/059414 WO2018189305A1 (fr) 2017-04-13 2018-04-12 Lit plantaire pour chaussures

Publications (2)

Publication Number Publication Date
EP3609360A1 EP3609360A1 (fr) 2020-02-19
EP3609360B1 true EP3609360B1 (fr) 2021-09-15

Family

ID=61966016

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18717365.3A Active EP3609360B1 (fr) 2017-04-13 2018-04-12 Lit plantaire pour talons

Country Status (4)

Country Link
EP (1) EP3609360B1 (fr)
DE (1) DE102017108095B4 (fr)
ES (1) ES2904864T3 (fr)
WO (1) WO2018189305A1 (fr)

Cited By (3)

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Publication number Priority date Publication date Assignee Title
DE202023100318U1 (de) 2023-01-23 2023-03-24 Gaby Wurth Health & Beauty UG (haftungsbeschränkt) Verbesserter Schuh und Funktionssohle hierfür
EP4403063A2 (fr) 2023-01-23 2024-07-24 Gaby Wurth Health & Beauty UG Chaussure améliorée et semelle fonctionnelle pour celle-ci
DE102023101595A1 (de) 2023-01-23 2024-07-25 Gaby Wurth Health & Beauty UG (haftungsbeschränkt) Verbesserter Schuh und Funktionssohle hierfür

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KR102202828B1 (ko) * 2018-11-29 2021-01-14 김일수 굽 높은 신발의 바닥구조물 및 이를 구비한 굽 높은 신발

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AU744650B2 (en) * 1997-05-14 2002-02-28 Hans Seiter Circuit for the protection of electrical devices
US20040211086A1 (en) 2003-04-23 2004-10-28 Hbn Shoe, Llc Device for high-heeled shoes
US8109014B2 (en) * 2008-01-17 2012-02-07 Tensegrity Technologies, Inc. Foot orthotic devices
US8256142B2 (en) * 2008-02-04 2012-09-04 Sashanaz Hashempour Igdari Anatomically correct flexible contoured footbed insole
WO2010048689A1 (fr) * 2008-10-28 2010-05-06 Scott Montgomery Chaussure à talon haut à confort amélioré
DE102010028889A1 (de) * 2010-05-11 2012-04-19 Kom*Sport Kompetenzzentrum Sport Gbr Vertreten Durch Oliver Elsenbach Schuheinlage und Schuh
US20160374431A1 (en) * 2012-07-18 2016-12-29 Adam P. Tow Systems and Methods for Manufacturing of Multi-Property Anatomically Customized Devices
US9259052B2 (en) * 2013-12-16 2016-02-16 Po-Yao Lee Structure of high-heeled shoe
WO2017040424A1 (fr) * 2015-08-28 2017-03-09 Schickling Evelyn Système de soutien de la voûte plantaire personnalisable

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202023100318U1 (de) 2023-01-23 2023-03-24 Gaby Wurth Health & Beauty UG (haftungsbeschränkt) Verbesserter Schuh und Funktionssohle hierfür
EP4403063A2 (fr) 2023-01-23 2024-07-24 Gaby Wurth Health & Beauty UG Chaussure améliorée et semelle fonctionnelle pour celle-ci
DE102023101593A1 (de) 2023-01-23 2024-07-25 Gaby Wurth Health & Beauty UG (haftungsbeschränkt) 1Verbesserter Schuh und Funktionssohle hierfür
DE102023101595A1 (de) 2023-01-23 2024-07-25 Gaby Wurth Health & Beauty UG (haftungsbeschränkt) Verbesserter Schuh und Funktionssohle hierfür
DE102023101593B4 (de) * 2023-01-23 2025-10-02 Gaby Wurth Verbesserter Schuh und Funktionssohle hierfür

Also Published As

Publication number Publication date
WO2018189305A1 (fr) 2018-10-18
ES2904864T3 (es) 2022-04-06
DE102017108095B4 (de) 2019-09-19
EP3609360A1 (fr) 2020-02-19
DE102017108095A1 (de) 2018-10-18

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