Fixing device for preventing leg and foot deformity of newborn
By designing an ergonomic double-layer TPU foam fixation device, the problem of complex operation of existing leg deformity correction devices has been solved, achieving a simple and easy-to-use deformity prevention and correction effect.
Patent Information
- Application Number
- CN202422651982.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-10-31
AI Technical Summary
Existing leg deformity correction devices are complex to operate, require professional skills, and are not convenient to use quickly.
A fixing device made of double-layer TPU foam has been designed, comprising an isosceles trapezoidal part and an irregularly shaped part, with built-in coagulant channels and connecting hoses, equipped with anti-flow clips and a breathable design, and is ergonomically designed for the prevention and correction of X or O-shaped legs.
This device is simple in structure and easy to use, suitable for non-professionals to operate. It is breathable, avoiding skin itching and ulceration, and is suitable for the prevention and correction of leg and foot deformities in newborns.
Smart Images

Figure CN223586106U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to orthopedic medical instrument technical field especially, relates to a kind of fixing device for preventing newborn leg foot deformity. BACKGROUND
[0002] The deformity of leg is due to the angle of bone growth in the growth and development process is not right, does not meet physiological angle, is common in O-shaped leg, also called knee varus, and X-shaped leg, also called knee valgus. Leg needs to be corrected in time when deformity occurs, so a special fixing device for preventing leg deformity is needed.
[0003] The common leg deformity correction method is generally through splint, leg binding, brace, plaster to correct, when using splint, leg binding, brace to correct, its fixed operation is more troublesome, when using plaster to correct, operator needs to have higher medical professional level, for this, we provide a kind of fixing device for preventing newborn leg foot deformity and its manufacturing method. UTILITY MODEL CONTENT
[0004] To solve the problem that the existing leg deformity correction device is not convenient for quick and anytime use in the above background art, the utility model provides a kind of fixing device for preventing newborn leg foot deformity.
[0005] The utility model adopts the following technical scheme to realize: a kind of fixing device for preventing newborn leg foot deformity, including:
[0006] Double-layer TPU foam, the upper part of the double-layer TPU foam is isosceles trapezoidal part, the lower part of the double-layer TPU foam is irregularly shaped part and is integrally designed with isosceles trapezoidal part, the lower part of the double-layer TPU foam is provided with gap between two groups of irregularly shaped parts, the inside of the double-layer TPU foam is provided with coagulant flow channel for coagulant flow;
[0007] Connecting hose, the connecting hose is fixedly connected in the upper side of double-layer TPU foam for pouring coagulant into the inside of double-layer TPU foam, the pipe opening of the connecting hose is additionally provided with coagulant pouring bottle cap for sealing the pipe opening of connecting hose, the outside of the connecting hose is additionally provided with flow stop clamp for improving sealing effect and preventing coagulation liquid from flowing out.
[0008] As a further improvement of the above scheme, the double-layer TPU foam is sealed by hot melting to ensure the sealing effect.
[0009] As a further improvement of the above scheme, the double-layer TPU foam is provided with hollow part on the upper part for increasing air permeability.
[0010] As a further improvement of the above-mentioned scheme, the inner cavity upper part and lower part of the isosceles trapezoidal part are provided with long bending shaping wires, and the inner symmetrical parts of the two groups of similar rectangular structures in the irregular shape part are provided with two groups of short bending shaping wires.
[0011] As a further improvement of the above-mentioned scheme, the double-layer TPU foamed cotton adopts breathable cotton which guarantees the ventilation effect.
[0012] As a further improvement of the above-mentioned scheme, the inner side of the double-layer TPU foamed cotton is provided with a TPU inner film.
[0013] As a further improvement of the above-mentioned scheme, the flow-stopping clamp comprises a pressing end and an elastic movable end, and clamping teeth are equidistantly arranged on the flow-stopping clamp, and the top end of the elastic movable end is clamped into the clamping teeth so as to position the elastic movable end.
[0014] As a further improvement of the above-mentioned scheme, the outer part of the bottle cap into which the coagulant is poured is provided with anti-skid lines for increasing friction.
[0015] As a further improvement of the above-mentioned scheme, the included angle of the double-layer TPU foamed cotton after bending forming is 120°.
[0016] Compared with the prior art, the utility model has the advantages that:
[0017] 1、 The structure shape of the utility model accords with the ergonomic design, and the comfort of the user can be increased.
[0018] 2、 The utility model can be independently completed by one trained personnel, and does not need to be operated by multiple persons or doctors with superb professional techniques, and the prevention and correction of X or O type legs and congenital foot deformities can be simultaneously completed through the fixed splint.
[0019] 3、 The utility model is fixed splint material built-in TPU film, external TPU bubble cotton, no side effects on the user's skin, and multiple hollows are formed in the double-layer TPU foamed cotton, the air permeability can be increased, the fixed splint can be fixed on the skin surface for a long time, and the adverse effects such as skin itching and ulceration cannot be caused. DETAILED DESCRIPTION
[0020] Figure 1 It is a front view structure schematic diagram of the utility model;
[0021] Figure 2 It is a front view structure schematic diagram of the utility model;
[0022] Figure 3 It is a flow-stopping clamp structure schematic diagram of the utility model;
[0023] Figure 4The three-dimensional structure schematic diagram after secondary hot melting of the utility model;
[0024] Figure 5 The three-dimensional structure schematic diagram after bending forming of the utility model.
[0025] Main symbol explanation:
[0026] 1, double TPU foam; 101, isosceles trapezoidal part; 102, irregular shape part; 103, notch; 2, coagulant flow channel; 3, connecting hose; 4, coagulant pouring bottle cap; 5, flow stop clamp; 6, hollow part; 71, long bending forming wire; 72, short bending forming wire; 501, extrusion end; 502, elastic movable end; 503, clamping tooth. Specific implementation
[0027] Next, the utility model is further described in combination with the drawings and specific implementation, and it should be explained that, under the premise of not conflicting, the following described each embodiment or each technical feature between can be combined to form new embodiment. Example 1
[0028] Please combine Figures 1-5 The fixing device for preventing leg and foot deformity of newborn of the embodiment, comprising:
[0029] Double TPU foam 1, the upper part of double TPU foam 1 is isosceles trapezoidal part 101, the lower part of double TPU foam 1 is symmetrically arranged irregular shape part 102 and is integrated with isosceles trapezoidal part 101, the lower part of double TPU foam 1 is provided with notch 103 between two groups of irregular shape part 102, and the inside of double TPU foam 1 is provided with coagulant flow channel 2 for coagulant flow;
[0030] The connecting hose 3 is fixedly connected to the upper side of the double-layer TPU foam 1 for pouring the coagulant into the inside of the double-layer TPU foam 1, the coagulant pouring bottle cap 4 is arranged outside the pipe opening of the connecting hose 3 for sealing the pipe opening of the connecting hose 3, the flow stop clamp 5 is arranged outside the connecting hose 3 for improving the sealing effect and preventing the coagulant from flowing out, the double-layer TPU foam 1 is heat-sealed to ensure the sealing effect, the double-layer TPU foam 1 is provided with the hollow part 6 for increasing the air permeability, the inner cavity of the isosceles trapezoidal part 101 is provided with the long bending shaping wire 71 at the upper part and the lower part, the inner symmetrical part of the two groups of irregular shape parts 102 is provided with the short bending shaping wire 72, the inner side of the double-layer TPU foam 1 is provided with the TPU inner film, the flow stop clamp 5 comprises the extrusion end 501 and the elastic movable end 502, the flow stop clamp 5 is also provided with the clamping teeth 503 at equal intervals, the top end of the elastic movable end 502 is clamped into the clamping teeth 503 so as to position the elastic movable end 502, the coagulant pouring bottle cap 4 is provided with the anti-skid lines outside for increasing the friction, and the included angle of the double-layer TPU foam 1 after bending is 120°.
[0031] A manufacturing method of a device for preventing leg and foot deformity of a newborn, comprising the following steps:
[0032] Firstly, the double-layer TPU foam 1 is cut into a required shape, that is, the upper part is an isosceles trapezoidal structure, the lower part is two groups of symmetrical irregular shapes, and the shape corner is a circular arc;
[0033] Secondly, the connecting hose 3 is placed on the mold between the TPU, and then the coagulant flow channel 2 inside the double-layer TPU foam 1 is fixedly connected by heat melting;
[0034] Thirdly, the two groups of irregular shape parts 102 of the lower part of the double-layer TPU foam 1 are simultaneously bent inward, and the edges thereof are heat-melted and connected together;
[0035] Fourthly, the two groups of long bending shaping wires 71 and the two groups of short bending shaping wires 72 are inserted into the corresponding positions of the isosceles trapezoidal part 101 and the irregular shape part 102 of the double-layer TPU foam 1, and then heat melting and welding are performed;
[0036] Fifthly, the device after three times of heat melting is placed in the mold for hollowing and edge cutting;
[0037] Sixthly, the flow stop clamp 5 is introduced into the connecting hose 3, and the bottle cap is glued to the outside of the pouring inlet of the hose.
[0038] The implementation principle of the fixing device for preventing leg and foot deformity of newborns and the manufacturing method thereof in the embodiment of the application is as follows: during manufacturing, first, the double-layer TPU foamed cotton 1 is cut into a required shape, that is, the upper part is an isosceles trapezoidal structure, and the lower part is two groups of symmetrical irregular shapes, and the shape corner is a circular arc; then the connecting hose 3 is placed on the mold between the TPU and is fixed in communication with the solidifying agent flow channel 2 in the double-layer TPU foamed cotton 1 by means of hot melting; subsequently, the two groups of irregular shape parts 102 of the lower part of the double-layer TPU foamed cotton 1 are simultaneously bent inward, and the edges of the two groups are hot-melt connected together; then the two groups of long bent shaping wires 71 and the two groups of short bent shaping wires 72 are respectively inserted into the corresponding positions in the isosceles trapezoidal part 101 and the irregular shape part 102 of the double-layer TPU foamed cotton 1, and then hot-melt welding is performed thereon; then the device after three times of hot melting is placed in a mold for hollowing and edge cutting; finally, the flow-stopping clamp 5 is introduced into the connecting hose 3, and the bottle cap is glued to the outside of the hose pouring inlet.
[0039] During use, first, the solidifying agent is poured into the bottle cap 4, and then the solidifying liquid is mixed and added into the double-layer TPU foamed cotton 1 through the connecting hose 3; the solidifying liquid flows to each corner through the solidifying agent flow channel 2; then the elastic movable end 502 is pressed to be close to the extruding end 501, and the top of the elastic movable end 502 is clamped into the clamping tooth 503, so that the connecting hose 3 can be extruded to prevent the solidifying liquid from flowing out; then the device is wrapped around the corresponding leg and foot part, and the fixing clamp plate is folded into a corresponding shape; under the action of the built-in long bent shaping wire 71 and the short bent shaping wire 72, after the solidifying agent solidifies, a clamping fixer in an expected folding shape can be formed, so that the X or o type leg and the congenital foot deformity of the leg part can be prevented and corrected; the hollowed part 6 can increase the air permeability, so that the device can be fixed on the skin surface for a long time, and adverse effects such as skin itching and ulceration cannot be caused; the overall structure of the device meets the ergonomic design, and the included angle of the double-layer TPU foamed cotton 1 after bending is 120°. Figure 2 .
[0040] In order to ensure that the solidifying time and the hardness of the solidifying liquid reach the ideal effect, the formula and the ratio of the solidifying liquid are as follows: A glue is composed of aliphatic diisocyanate, trimethyl pentanediol isobutyl ester (a plasticizer), and poly (ether) propylene polyol in a weight ratio of 3:1:3; B glue is a special polyurethane (PU) catalyst composed of butyl titanate, dibutyl lauryl tin, and cobalt isooctanoate mixed in a weight ratio of 1:2:2. The ratio is that the weight of A / B is 1.8:1. Embodiment 2
[0041] In the embodiment, the double-layer TPU foamed cotton 1 is air-permeable cotton which can increase the air permeability of the device.
[0042] The above embodiments are only preferred embodiments of the present application, and cannot be used to limit the scope of protection of the present application. Any non-essential changes and substitutions made by those skilled in the art on the basis of the present application belong to the scope of protection of the present application.
Claims
1. A fixing device for preventing leg and foot deformity of a newborn, characterized in that, Include: Double TPU foam (1), the upper part of the double TPU foam (1) is an isosceles trapezoidal part (101), the lower part of the double TPU foam (1) is an irregular shape part (102) symmetrically arranged and is an integral structure design with the isosceles trapezoidal part (101), the lower part of the double TPU foam (1) is provided with a gap (103) between the two groups of irregular shape parts (102), the inside of the double TPU foam (1) is provided with a coagulant flow channel (2) for coagulant flow; Connecting hose (3), the connecting hose (3) is fixedly connected to the upper side of the double TPU foam (1) for pouring coagulant into the inside of the double TPU foam (1), the outer part of the pipe opening of the connecting hose (3) is additionally provided with a coagulant pouring bottle cap (4) for sealing the pipe opening of the connecting hose (3), the outer part of the connecting hose (3) is additionally provided with a flow stop clamp (5) for improving the sealing effect and preventing coagulant from flowing out.
2. The device as claimed in claim 1, wherein the device is made of a material selected from the group consisting of plastic, rubber, and metal. The double TPU foam (1) is sealed by hot melting to ensure the sealing effect.
3. The fixation device for preventing neonatal leg and foot deformities as described in claim 1, characterized in that, The double TPU foam (1) is provided with a hollow part (6) for increasing the air permeability.
4. The device as claimed in claim 1, wherein the device is made of a material selected from the group consisting of plastic, rubber, and metal. 5 The inner cavity of the isosceles trapezoidal part (101) is provided with a long bending forming wire (71) at the upper part and the lower part, and the inside of the two groups of irregular shape parts (102) similar to the rectangular structure is symmetrically provided with two groups of short bending forming wires (72).
5. The device as claimed in claim 1, wherein the device is made of a material selected from the group consisting of plastic, rubber, and metal. The inner side of the double TPU foam (1) is provided with a TPU inner film.
6. The device as claimed in claim 1, wherein the device is made of a material selected from the group consisting of plastic, rubber, and metal. The flow stop clamp (5) includes a pressing end (501) and an elastic movable end (502), and is additionally provided with a tooth (503) at equal intervals, and the top end of the elastic movable end (502) is clamped into the tooth (503) so as to position the elastic movable end (502).
7. The device as claimed in claim 1, wherein the device is made of a material selected from the group consisting of plastic, rubber, and metal. The outer part of the coagulant pouring bottle cap (4) is provided with anti-skid lines for increasing the friction.