阅读说明：本技术 使用足部压力测量和材料硬度和/或结构减轻足部压力来通过3d打印生产足矫正鞋垫的方法 (The method for mitigating foot pressure using foot pressure measurement and material hardness and/or structure to produce sufficient correction shoe-pad by 3D printing ) 是由 L·施瓦茨 E·施瓦茨 于 2018-02-14 设计创作，主要内容包括：一种生成用于鞋类的定制制造矫正鞋垫或鞋内底的方法和装置。与人足底施加的压力有关的信息用于通过使用较软的材料或选择性地位于特定个人的压力点处的不同结构部件来卸除在这些点处的足部上的压力,为该人定制生产矫正鞋垫或鞋内底。针对个人的足部获取的压力读数识别该足部的压力点。量化压力点,并将足部以网格格式映射到压力图上。在映射后,基于映射将与特定压力值相对应的结构部件放置在矫正鞋垫中。压缩单元基于个人的压力读数以及利用压力响应传感器的电子压力板得出的结果经由3D打印方法制成。(A kind of method and apparatus generating customization manufacture correction shoe-pad or inner sole for footwear.Information related with the pressure that people vola applies is used to carry out pressure of the removal on the foot at these points by using softer material or the different structure component being optionally situated at the pressure spot of unique individual, is the people's customized production correction shoe-pad or inner sole.The pressure spot of the foot is identified for the pressure reading that personal foot obtains.Quantify pressure spot, and foot is mapped on tonogram with grid format.In the mapped, structure member corresponding with particular pressure value is placed in correction shoe-pad based on mapping.Compression unit is made based on personal pressure reading and using the result that the electron pressure plate of pressure responsive sensors obtains via 3D printing method.)

1. a kind of method for 3D printing correction shoe-pad or inner sole, comprising:

The pressure point data of foot is collected using pressure analysis equipment；

Collected pressure point data is input to 3D printing equipment；And

The 3D printing equipment is configured to print the correction shoe-pad or inner sole, so that the foot with instruction higher-pressure level The relevant correction shoe-pad of pressure point data or inner sole position have it is more other than the correction shoe-pad or inner sole The more soft sense of the sole in position.

2. according to the method described in claim 1, wherein, using than making in the other positions of the correction shoe-pad or inner sole The softer material of material is come the relevant corrective shoes of the pressure point data of foot that prints to indicate higher-pressure level The position of pad or inner sole.

3. according to the method described in claim 1, wherein, using such as flowering structure print with indicate higher-pressure level foot The position of the relevant correction shoe-pad of pressure point data or inner sole, the structure is than its of the correction shoe-pad or inner sole Structure used in its position makes their vola more soft.

4. a kind of method for customizing the correction shoe-pad or inner sole of manufacture footwear, which comprises

The data obtained from pressure detector are received, the data correspond to the two-dimensional pressure of the pressure point locations in identification vola Figure；

Determine the number pressure of the pressure point locations of each identification in the tonogram；

Compression unit corresponding from each different number pressure is made for each different number pressure；And

By placing the pressure point corresponded to each identification on the tonogram in the correction shoe-pad or inner sole The compression unit for setting the corresponding number pressure, forms the correction shoe-pad or inner sole.

5. according to the method described in claim 4, wherein, described be made is executed with forming step by 3D printer, and the 3D is beaten Print machine receives identification for the data of the number pressure of the pressure point locations of each identification in the tonogram.

6. according to the method described in claim 5, wherein, the number pressure corresponding with specific compression unit is by for being made institute The physical structure for stating specific compression unit determines.

7. according to the method described in claim 5, wherein, the number pressure corresponding with specific compression unit is by for being made institute The pliability for stating the material of specific compression unit determines.

8. according to the method described in claim 6, wherein, the position in the tonogram is by the grid with equivalent size The grid of position limits.

9. according to the method described in claim 8, wherein, each compression unit has identical with the size of each grid position Size.

10. according to the method described in claim 8, wherein, each compression unit is greater than the size of each grid position.

11. according to the method described in claim 8, wherein, each compression unit is less than the size of each grid position.

12. according to the method described in claim 8, wherein, multiple compression units are combined so that compression unit combination is made.

13. according to the method for claim 12, wherein the correction shoe-pad or inner sole include multiple compression unit groups It closes.

14. according to the method for claim 13, wherein different compression unit combinations include different physical structures.

15. a kind of equipment for customization correction shoe-pad or inner sole to be made, comprising:

Foot pressure sensor senses the pressure spot for the foot being placed on it and provides and the pressure spot sensed Corresponding data；

Processor is coupled to the foot pressure sensor, and is configured as receiving and the pressure spot phase sensed Data provided by corresponding, and cubic light is carried out to the output data corresponding with the pressure spot sensed It carves, 3D printer input data is made；And

3D printer is coupled to receive the 3D printer input data and is configured as inputting the 3D printer Data are converted to customization correction shoe-pad corresponding with the pressure spot of the foot or inner sole.

Technical field

The present invention relates to the pedorthics (pedorthics) for preventing and alleviating foot problems, and especially suitable for For the correction shoe-pad of personal customization.

Background technique

Foot problems and corresponding expense related to foodcare take millions of dollar.If foot problems are to Mr. Yu A little activities become weak, then may waste the working time of a few hours.Foot problems may be from medical condition, need to stand Or operating condition, sports of walking etc..Therefore, foot problems may be lived due to medical condition, work activities or leisure It moves and develops.

Pedorthics be with footwear, the design of foot correction insole and foot apparatus, manufacture, be adapted to and modify related skill Art is prescribed to help the pain for alleviating foot or the situation that disables.For the people that those practice various pedorthics, mesh Mark is to provide protection and comfort for consumer/patient.Realize the main method of this target first is that in the maximum zone of influence Domain reduces pressure.In history, this is by correction shoe-pad and/or to carry out external modification to footwear to realize.

It is a kind of to provide protection for consumer or patient and comfortable conventional method is using the correction shoe-pad in insertion footwear Or inner sole (insole) buffers vola.Also some products reduce pressure by modifying removable correction shoe-pad or inner sole Power, correction shoe-pad or inner sole can be removed by removing the component of selected correction shoe-pad or inner sole come in fitting shoes in this Portion.

In the prior art, usually there are two types of the methods of manufacture correction shoe-pad.In the first method, foot is cast Mould is to be essentially that final correction shoe-pad provides " template ".According to this method, usually by rigid thermoplastic could heat so that It softens, and then the thermoplastic material of softening is molded on sufficient mold, so that thermoplastic material becomes the shape of mold Shape (and becoming sufficient shape in turn), and then it is cooled and it is made to be hardened again.In the second approach, by the casting of foot Mould forms mold, and uses well-known injection molding technology, usually by the thermoplasticity of heating or thermosetting polymer pressure Enter in mold cavity, cooling and hardened forming chamber the form in mold cavity.

Recently, 3D printing technique has been basically used for customized production correction shoe-pad or inner sole, without being subjected to above-mentioned processing Step generates mold, heating thermoplastic material, and is then shaped or injected in mold.Instead it will determine The data of adopted rectifier shape are input in 3D printer, and finished product is made so that the same way of any 3D printing product is made.So And it is different from the present invention, finished product in the prior art and the technique by hot forming thermoplastic described in the prior art Manufactured finished product be kept substantially it is identical, to produce the hard insert of suitable user's foot.Commonly assigned United States Patent (USP) Numbers 7,493,230 disclose a kind of method and apparatus, and the pressure for using with being applied by vola related information generates use In the correction shoe-pad or inner sole of footwear, the information is related to the detachable part of correction shoe-pad or inner sole.Embodiment includes For generating the method and apparatus for being used for the correction shoe-pad or inner sole of footwear, including receiving the tonogram with vola from pressure plare Corresponding data；Determine the high relative pressure region in tonogram more than predetermined relative pressure level；And it will be with high phase To the related data correlation in pressure span to including that detachable correction shoe-pad corresponding with tonogram or insole component are rectified Positive insole or inner sole.In some embodiments, the report of associated data related with high relative pressure region is generated.Into In one step embodiment, this report provides the detachable part of correction shoe-pad associated with high relative pressure region or inner sole Related information.

Although the said goods and method lead to reduced foot pressure, but it is desirable to having a kind of method and system, by this Method and system, 3D printing technique can be used for extracting pressure information from the tonogram of the prior art and selectively change customization Structure and/or material hardness at the selection area of correction shoe-pad or inner sole, to be personal customization corrective shoes or corrective shoes Pad or inner sole.

Summary of the invention

It is an advantage of the invention that a kind of method and apparatus of footwear correction shoe-pad or inner sole for generating customization.This hair Information related with the pressure that the vola of people applies that bright method and apparatus are used, by using being optionally situated at unique individual Pressure spot at different structure component be that the people's customized production correction shoe-pad or inner sole carry out removal on the foot at these points Pressure.In basic configuration, structure member may include that the independent compression for example with usual compressible trellis is single Member, that is to say, that having the compressible material of the repetition three-dimensional arrangement configuration of rule as shown in the accompanying drawings more sufficiently Cross structure.The pressure spot of the foot is identified for the pressure reading that personal foot obtains.In a preferred embodiment, pressure spot It is quantized and foot is " mapped " with the grid configuration on tonogram.It in the mapped, will be with particular pressure value phase based on mapping Corresponding structure member is placed in correction shoe-pad.In a preferred embodiment, based on personal pressure reading and pressure is utilized Compression unit is made via 3D printing method in the result that the electron pressure plate of response sensor obtains.The purpose of the present invention is pass through Hardness, pliability and/or the correction shoe-pad structure of correction shoe-pad material are adjusted to unload the foot pressure in the high pressure region of foot Power.

Detailed description of the invention

Fig. 1 is the fundamental block diagram of the system according to the present invention；And

Fig. 2 is the flow chart for showing basic step of the invention；

Fig. 3 shows the bottom view of manufactured correction shoe-pad or inner sole insert according to the method for the present invention；

Fig. 4 shows the left view of manufactured correction shoe-pad or inner sole insert according to the method for the present invention；

Fig. 5 shows the right view of manufactured correction shoe-pad or inner sole insert according to the method for the present invention；

Fig. 6 shows the top perspective of manufactured correction shoe-pad or inner sole insert according to the method for the present invention；

Fig. 7 illustrates in greater detail the structure of compression unit, wherein 13 compression units are adjacent to each other, generally corresponds to Such as 13 units configuration shown in the heel part of Fig. 3；

Fig. 8 illustrates single compression unit；

Fig. 9 and Figure 10 illustrates in greater detail the structure of compression unit；

Figure 11 shows 29 independent compression units；

Figure 12 shows single compression unit；

Figure 13 shows the internal structure 1204 of compression unit 310 shown in Figure 12；And

Figure 14 shows to Figure 20 but is not limited to the configuration of compression unit that is workable and being covered by the appended claims Additional example.

Specific embodiment

The concept that the present invention is based on is by manufacturing customization based on the 3D printing of the pressure measurement of personal foot Foot correction insole or inner sole.In a preferred embodiment, using pressure sensor and the pressure of foot is being received in personal stand After on the electron pressure plate of power analysis, pressure measurement is mapped so that the data model of foot is made.Then data model is defeated Enter 3D printer so that the correction shoe-pad of customization or inner sole is made, the correction shoe-pad or inner sole of the customization pass through in correction shoe-pad Or individual compression unit is placed in inner sole selectively to provide the different pressures removal amount of suitable foot, wherein based on compression The pressure dump ability of unit selects the specific compression unit used in specific location.Pass through material structure, material hardness, material Expect pliability or combinations thereof, correction shoe-pad or inner sole can be produced, the correction shoe-pad or inner sole with removal load and can have Help alleviate the high pressure at the different location of indicated foot.The present invention is not limited to use sensor device to carry out pressure survey Amount.That is, obtaining any mode of pressure measurement, including but not limited to hot pressing force measuring device, or such as Harris pads foot pressure The manual methods (for example, the method for obtaining data and being manually entered into system) of print machine can be used for obtaining pressure measurement and still It is within the scope of the present invention as claimed.

It is collected by foot scanner and is scanned personal polychrome foot pressure data.Utilize what is measured from electron pressure plate Pressure spot assay readings, the reading of each sensor determine the hardness of each region on correction shoe-pad or inner sole.Correction shoe-pad Or the relatively soft zone domain of the inner sole pressure dump of putting those is to the harder region of correction shoe-pad or inner sole.The present invention passes through Numerical pressure value in specified numberical range is assigned and distributes to each pressure reading to quantify issued particular foot Variation and gradient foot pressure (by example rather than limit, range can be 1 to 15, wherein 1 is minimum pressure, and 15 be most High pressure).The some regions of foot correction insole or inner sole can use harder and/or softer material to adapt to personal foot The various pressure readings in portion.Higher position is read in foot pressure measured value, correction shoe-pad material can be softer to help to unload Except load and alleviates excessive pressure and pressure is transferred to other regions.

Alternatively (or other than hardness or pliability in addition to changing material), foot correction insole or inner sole is certain Region, which can use structure adjusting (such as surrender ability, surrender parameter, weaving), makes structure carry out difference to different pressures It reacts to adapt to the higher or lower pressure reading of personal foot on ground.

The present invention can utilize pliability, hardness and/or the material structure next life of material individually or with any combination thereof Produce correction shoe-pad or inner sole.Each pressure reading from sensor is associated from different structures, hardness or combinations thereof, So that the production of correction shoe-pad or inner sole is directly mutually coordinated with foot pressure analysis result.The present invention by correction shoe-pad or Grid that CAD (CAD) model conversion of inner sole can change at size (as an example, not a limit, such as 1cm × 1cm grid；1/4cm × 1cm grid；Etc.), wherein each individually grid file corresponding pressure sensor.According to The different structure group of independent structure or specified quantity at grid position can be made in the matrix based on the scan data of sending Close (as an example, not a limit, can there are single independent structure or 3 different combinations at specific grid position, 6 different combinations, 10 different combination-combinations are more, and " resolution ratio " of correction shoe-pad is higher, and can use any The combination of quantity, either lesser combination (including the single structure at single grid position) or biggish combination).Net Each point on lattice is assigned pressure number, and structure or the combination of (multiple) structure are placed respectively at grid position. After pressure diagram data to be distributed to the individual model in grid/matrix, then identified by pressure number individually Model, and create specified quantity (such as 6,7,8 ... pooled model n).It then is the pressure model of specified quantity (such as 6 It is a) scanning strategy specially designed and inner supporting structure are distributed to create the pressure response model of correction shoe-pad.

Available foot pressure analysis data are transmitted to the preferred method of 3D printer via solid from electron pressure plate Photoetching (STL) technique.Since generation nineteen ninety, stereolithography model is used for the data set based on computer scanning in medicine Create the accurate 3D model of each anatomic region of patient.Exemplary conventional pressure panel device for carrying out the present invention isPressure plare can be obtained from the Aetrex Worldwide company of New Jersey Teaneck.Make together with the pressure plare System is digital pressure analysis system, which can accurately obtain the pressure reading of the foot of people.The skill Art, which uses, has 0.25cm²Pressure sensor, and can correctly identify people foot which region stand when absorption Maximum pressure and/or impact.

When using pressure plare, people stands 10 to 30 seconds on pressure plare or some other suitable time quantums, and passes Sensor sends signal to computer to draw and illustrate foot.Pressure plare has more than 3700 or more sensors, but Usually only approximately half of end is contacted with foot.In most cases, every foot can all encounter 800-1200 sensing Device, and the technology can provide reading based on the power applied on sensor for each sensor, to form the " pressure of foot Figure ".Similar to fingerprint, which is personalized, and is usually had differences from a people to the distribution of the pressure of another person.

Preferred embodiment in accordance with the present invention scans foot using pressure sensor, and then using stereolithography and Processor carrys out processing scan data, which is configured as converting the data into the input of 3D printer, the 3D printer The correction shoe-pad or inner sole of customization are generated, the correction shoe-pad or inner sole can be based on personal pressure measurements on the ground of needs Side reduces excessive foot pressure, as described in more detail below.It describes in U.S. Patent number 7,493,230 for obtaining foot System and method described in portion's Pressure Analysis data and its mapping to particular foot, the patent are fully incorporated this by reference Text.

Under preferred STL method, file format will allow 3D shape to can be read by 3D printer software and hardware.Transmission Format may need to program adjusting and/or editor, include but is not limited to manually adjust and/or edit, this depends on used The communication means of printer between specific 3D printer and used component software；That is the application of the 3D printer of its offer Programming interface (API), wherein may include its subroutine define, agreement and for adjust and/or create application software its Its tool.

The data transmission format of substitution can be used comprising but it is not limited to manual data transmission.

Fig. 1 is the fundamental system figure for showing system of the invention.From figure 1 it appears that for carrying out foot pressure survey The pressure sensor 10 of amount, such as electron pressure plate sensor (for example, AETREX iStep NOVA foot scanner) and basis The processor 12 that the present invention is configured with code couples, which hold processor to the data exported from pressure sensor 10 Row stereolithography and 3D printer data are exported, which will configure 3D printer 14 to be made and pressure sensing The foot pressure that device 10 carries out measures corresponding customized correction shoe-pad.

Fig. 2 is the flow chart for describing the step of being executed by the system of Fig. 1 customization correction shoe-pad or inner sole is made.In step At rapid 20, a foot is placed on pressure sensor, and obtains pressure reading corresponding with foot, and pressure data is exported To processor.At step 22, processor receives pressure data, and pressure data is converted to 3D using stereolithography processes and is beaten Print machine data, the 3D printer data will indicate how 3D printer is made customization correction shoe-pad or inner sole.At step 24, 3D printer data are received by 3D printer, and customization correction shoe-pad is made based on 3D printer data.At step 26, the mistake Journey terminates.

Referring now to Fig. 3-20, correction shoe-pad or inner sole according to the present invention and its manufacturing method are described.Fig. 3-6 shows Bottom view, left view, right view and the top of manufactured correction shoe-pad or inner sole insert according to the method for the present invention are gone out Perspective view.For example, in fig. 1, it may be seen that entire correction shoe-pad or inner sole insert are by different types of compression unit knot Structure 302,304,306,308,310,312,314,316,318 and 320 is made.According to the present invention, every kind of compression unit type is used Different structures are made, and every kind of structure determines the pressure response of each compression unit.For example, as discussed in further , bigger more flexible element is utilized in compression unit type 302 in its structure, makes it easier to compress, and to make It has bigger pressure response, and when being placed on foot, has relatively soft " feeling ".In contrast, compression unit type 310 utilize smaller, firmer and more compact structure, make its more difficult compression, and to keep its pressure response smaller, and And when being placed on foot with harder " feeling ".Compression unit structure 302,304,306,308,310,312,314,316, Each of 318 and 320 is all different in some way, so that in this example, it can be each on the grid of correction shoe-pad Ten kinds of different pressure responses are distributed in a position, to realize very accurate and high score on the surface of entire correction shoe-pad or inner sole The pressure response of resolution.It should be appreciated that providing this ten compression unit structures merely for exemplary purpose, and in view of this paper institute The information for including, those of ordinary skill in the art can develop the compression unit structure of many other substitutions, which provides Pressure response needed for specific, and all such alternatives and modifications are both fallen in the scope of the present invention claimed herein.

Fig. 7 and Fig. 8 illustrates in greater detail the structure of compression unit 302.Fig. 7 shows 13 compressions adjacent to each other Unit 302 corresponds roughly to the configuration of 13 units for example shown at the heel part of Fig. 3.Fig. 8 shows list A compression unit 302.As shown, each compression unit 302 includes generally circular top section 802, generally circular bottom Portion part 804, and in this example four substantially helically or spirally the flexible member 806 of shape, the flexible member 806 connect Circular top part 802 and rounded bottom part 804 are connect, as shown in the figure.In a preferred embodiment, for compression unit to be made 302 material is elastic material, and the elastic material can be bent but not rupture when pressurised.The example of such material includes (but being not limited to) TPU (thermoplastic polyurethane), nylon and TPE (thermoplastic elastomer (TPE)).

From the above description in attached drawing it is appreciated that when power is applied downwardly on top section 802, screw element 806 In middle deformation in downward direction, so that top section 802 be allowed to move down, to provide, vola is " spongy " to be felt.Because of material Material is flexible, so screw element 806 is inclined towards its resting position when reducing the pressure on top section 802 downwards Return is set, so that top 802 also be made to return up movement towards its resting position.

Fig. 9 and Figure 10 illustrates in greater detail the structure of compression unit 306.As shown in optimal in Fig. 9, each compression unit 306 include the combination of the compression unit 302 of four smaller versions, these compression units are joined together to form essentially rectangular Unit, details will carry out optimal description in conjunction with Figure 10.In this example, each compression unit 306 occupies and each pressure Contracting unit 302 roughly the same " occupied space "；In other words, four lesser versions of compression unit 302 are connected to one It rises to form single compression unit 306, which occupies the amount of space substantially the same with compression unit 302. In a preferred embodiment, the elastic material for compression unit 302 is also used to compression unit 306 (in fact, for all compressions Unit) so that the different materials with different spring levels need not be used, but based on used structure rather than used Material change pressure response.This will simplify 3D printing process, because without changing the material for being used for 3D printing.

It will be appreciated by the skilled addressee that more a greater amount of than compression unit 302 by being used in compression unit 306 Elastic material and stronger density of texture, compression unit 306 will less easily be compressed, and therefore be had than compression unit 302 smaller pressure responses.

Figure 11-13 illustrates in greater detail the structure of compression unit 310.Figure 11 shows 29 individually compression lists Member 310；Figure 12 shows single compression unit 310, and Figure 13 shows the internal junction of compression unit 310 shown in Figure 12 Structure 1204.As shown in Figure 12, compression unit 310 includes being connected to polyhedron-shaped internal structure 1204 and around polyhedron Outside " netted " structure 1202 of the internal structure 1204 of shape.The best seen such as in Figure 13, polyhedron-shaped internal junction Structure 1204 is relatively compact structure, and compared with compression unit 302 or 306, which will bear more use In the downward pressure of compression, and as shown in Figure 12, when being coupled to outer mesh structure 1202 and by outer mesh structure 1202 around when, the compressibility of the relatively compact structure is even lower.Compression unit 310 also takes up and single compression unit 302 or 306 identical occupied spaces.

Figure 14-20 shows matching for compression unit that is can be used and being covered by the appended claims without limitation The additional example set.It is beaten as it is known in the art, instruction can be provided to 3D printer with creating to model and be input to The element of the actually any shape of print machine；Compression unit detailed above and being shown in the accompanying drawings only is mentioned as example For and claims herein is intended to not only cover illustrated and described configuration, but also covers and can be based on its structure and group At the compression unit for any configuration for providing different degrees of pressure response.

It should also be understood that can selectively use material with different elasticities in entire correction shoe-pad, that is, for every A compression unit, these materials need not be identical material, but if 3D printer all compression units are all used it is single Material then provides more simplified structure.

Any software steps described herein can be realized using the well-known programming technique of standard.Above-mentioned reality The novelty for applying example does not lie in specific programming technique, but is the described using and in order to realize of described step Result and disclosed various structures, material, hardness/pliability of material etc..It is usual to embody software programming code of the invention It is stored in permanent storage.In a client/server environment, such software programming code can be with related to server The storage device of connection stores.Software programming code can be embodied in the various known medias being used together with data processing system Any one on, such as usb driver, DVD, jump driver or hard disk drive.The code can be distributed in such Jie In matter, or can be by certain type of network from the memory or storage device of computer system to by another calculating This other computer system distributions that the user of machine system uses.For on physical medium embody software program code and/ Or it is well-known via the technology and methods of net distribution software code, and will not be discussed further herein.

It will be understood that the combination of each element and the element in diagram of diagram can be by executing specified function or step Realized based on general and/or specialized hardware system, or pass through the group of general and/or specialized hardware and computer instruction It closes to realize.

These program instructions can be supplied to processor to generate machine, so that the instruction executed on a processor is made For realizing the component for the function of being specified in figure.Computer program instructions can be executed by processor, so that processor executes one Series of operative steps is to generate computer implemented processing, so that the instruction executed on a processor is provided for realizing figure middle finger The step of fixed function.Therefore, Fig. 1-2 is supported for executing the combination of the component of specified function, for executing specified function The combination of step and programmed instruction part for executing specified function.

Although the principle of the present invention has been described herein, it should be appreciated to those skilled in the art that the description is only It carries out by way of example, and not as limitation of the scope of the invention.Therefore, the appended claims are intended to cover Fall into all modifications of the invention in true spirit and scope of the present invention.