Inflatable rapid prototyping human body positioning pad

By designing an inflatable rapid prototyping human positioning pad, and utilizing water-curing polyurethane material and an airbag support layer, the problems of airtightness, leakage of toxic substances, high heating temperature, and long molding time of existing positioning pads are solved, achieving rapid molding and improving positioning accuracy and comfort.

CN223846092UActive Publication Date: 2026-01-30SHENZHEN TENGFEI YU TECH CO LTD
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Patent Information

Application Number
CN202422742156.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2026-01-30
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

Existing positioning pads have problems such as insufficient airtightness, leakage of toxic substances, burns caused by high heating temperature, long shaping time, and insufficient support during use, which affect positioning accuracy and patient comfort.

Method used

The inflatable rapid prototyping human positioning pad includes a contact layer, a water-curing shaping layer, and a support layer. Water is used as a catalyst to rapidly cure the water-curing polyurethane material, which, combined with the airbag support layer, provides rapid support and personalized positioning.

Benefits of technology

It achieves rapid prototyping, improves positioning accuracy and comfort, avoids leakage of toxic substances, reduces the risk of burns, and enhances X-ray transmittance and ease of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an inflatable rapid prototyping human body positioning pad which comprises a contact layer, a water curing shaping layer and a supporting layer. The contact layer is used for being in direct contact with the skin of a human body; the supporting layer comprises a shaping material supporting layer and an air bag supporting layer; the shaping material supporting layer is arranged in the contact layer; the shaping material supporting layer is formed by connecting a plurality of granular structures; the water curing molding layer is arranged around the side wall of the contact layer and is arranged between the molding material supporting layer and the contact layer; the air bag supporting layer is arranged on the shaping material supporting layer and located on the edge of the neck or the body of the positioning pad, and during use, the air bag supporting layer is inflated to wrap the two sides of the body of the patient. The air bag is used as a supporting layer, the body can be effectively wrapped, the good supporting and curing effect on the shaping material in the softening stage is achieved, and after the external fabric is cured, the well-attached positioning pad can be formed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to positioning pad technical field, especially a kind of inflatable quick forming human positioning pad. BACKGROUND

[0002] Radiation therapy needs to fix the position of human body, and the commonly used human positioning pad currently includes vacuum negative pressure positioning pad, shaping pad and disposable foam pad.

[0003] The vacuum negative pressure positioning pad is not airtight due to the cloth and connecting piece, and air may penetrate when stored for a long time. In addition, it may leak due to bumping or contact with some sharp medical devices, thereby losing the shaping function and affecting the positioning accuracy and treatment effect.

[0004] The disposable foam pad is mostly open type operation, and the foaming agent often has toxicity. The staff cannot avoid contacting the toxic substances during operation. In the use process, toxic substances, solvent small molecule substances may be released to the outside along with the gas. The AB glue has high requirements for stirring uniformity, and uneven stirring may cause local overheating and burn the patient's skin.

[0005] The shaping pad needs to be heated and softened before use, and a constant temperature heating device needs to be added. Since the heating temperature is close to 70 DEG C, it may cause discomfort or even burns to the patient and the manufacturer during removal and production. The shaping pad is made of multiple layers of materials, and the heat conduction is poor. The heating and cooling time is long, and it is not easy to shape.

[0006] All positioning pads currently need to press the positioning pad when wrapping the key parts of the patient to better fit the human body, so as to achieve the purpose of shaping. Because the initial state of positioning is in a soft state, it does not have supporting property itself. UTILITY MODEL CONTENTS

[0007] In view of the problems existing in the prior art, the utility model provides an inflatable quick forming human positioning pad.

[0008] In order to achieve the above purpose, the technical scheme of the utility model is as follows:

[0009] The utility model provides an inflatable quick forming human positioning pad, which comprises a contact layer, a water-solidified shaping layer and a supporting layer.

[0010] The contact layer is used for direct contact with human skin.

[0011] The supporting layer comprises a shaping material supporting layer and an air bag supporting layer.

[0012] The shaping material supporting layer is arranged in the contact layer. The shaping material supporting layer is connected by a plurality of granular structures.

[0013] The water-solidified shaping layer is arranged around the side wall of the contact layer and is disposed between the shaping material supporting layer and the contact layer.

[0014] The air bag supporting layer is arranged on the shaping material supporting layer and is located at the edge of the neck or body of the positioning pad and is inflated to wrap the two sides of the body of the patient.

[0015] Preferably, the contact layer is made of one or more of diene-based elastic fiber, polyolefin elastic fiber, polyurethane fiber, polyether ester elastic fiber and glass fiber.

[0016] Preferably, the water-solidified shaping layer is made of water-solidified polyurethane material, porous fabric or composite fabric, and the water-solidified polyurethane material is adsorbed in the porous fabric or composite fabric.

[0017] Preferably, the composite fabric is one or more of composite fabric cloth, 3D fabric cloth, felt, melt-blown cloth and polyester fiber cloth.

[0018] Preferably, the shaping material supporting layer is made of one or more of organic plastic particles, inorganic material particles, foamed polystyrene particles, ultra-light clay, organic plastic clay and inorganic plastic clay.

[0019] Preferably, the air bag supporting layer comprises an air bag; the air bag is in a U-shaped three-dimensional shape and is inflated to wrap the two sides of the body of the patient.

[0020] Preferably, the air bag is made of one or more of nylon fabric, polyurethane, PVC and rubber material.

[0021] Preferably, the inflatable rapid forming human body positioning pad further comprises an air pipe in communication with the two sides of the air bag for inflating the air bag.

[0022] The technical scheme of the utility model has the following beneficial effects:

[0023] The human body positioning pad can be rapidly formed: water is used as a catalyst and is rapidly solidified after contacting with water, and the required shape can be formed in 3-5 minutes to provide rapid support and fixation for the patient, and the softness of the water-solidified material allows shaping according to the body contour of the patient, provides personalized adaptation, and improves the accuracy and comfort of positioning.

[0024] The air bag is used as the supporting layer, the body can be effectively wrapped, the shaping material in the softening stage is well supported and solidified, and the positioning pad is well attached after the external fabric is solidified.

[0025] The utility model uses water solidification polyurethane and composite cloth as the shaping layer, has the soft characteristic of cloth, simultaneously, water solidification polyurethane fluidity is good, plasticity is strong, has solved the problem that the existing shaping pad plasticity is insufficient.

[0026] The utility model uses composite cloth as the shaping layer, uses superlight clay as the support layer, the overall density is small, when the ray penetrates the low density matter, the energy attenuation is small, the ray transmittance is high, the dose distribution of the ray is even in different depth and direction, has solved the problem that the existing vacuum positioning pad and shaping pad ray transmittance is low.

[0027] The utility model uses water solidification polyurethane material, 3-5min can solidify, has solved the problem that the existing shaping pad heating and cooling rate is slow, uses water solidification polyurethane material, when using, only needs to immerse the product in water 3-5 seconds, can shape, the operation is simple, has solved the problem that the disposable foam pad operation is complex, uses safe non-toxic polyurethane material and water as the curing agent, has avoided the release of toxic substances, has protected the safety of staff and patient, water solidification polyurethane material is evenly distributed in the composite cloth, after water immersion, can evenly enter the composite cloth inside, will evenly release heat in solidification, until solidification is completed, has solved the problem that the disposable foam pad, shaping pad surface overheating burns the patient.

[0028] The utility model uses shaping material as the support layer, is favorable to the shaping of surface shaping layer, improves the shaping effect and the adhesion of positioning. DRAWINGS

[0029] Fig. 1 It is the structure schematic drawing of the utility model;

[0030] Fig. 2 It is the granular structure schematic drawing of the support layer structure of the shaping material of the utility model. CONCRETE EMBODIMENT

[0031] The following describes the embodiment of the utility model in detail, the example of the embodiment is shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar function throughout. The embodiment described below by referring to the drawings is exemplary, and is intended to explain the utility model, and cannot be understood as the limitation of the utility model.

[0032] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0033] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly specified.

[0034] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0035] In the utility model, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0036] Referring to Figs. 1-2 The utility model provides a kind of inflatable quick forming human positioning pad, comprising: contact layer 1, water solidification shaping layer 2, support layer 3;

[0037] The contact layer 1, used for direct contact with human skin, has soft, elastic and breathable properties, ensuring the comfort and skin health of the patient when using the positioning pad. The contact layer is made of one or more of diene-based elastic fiber, polyolefin elastic fiber, polyurethane fiber, polyether ester elastic fiber and glass fiber. The selection of these materials aims to provide the best patient experience and skin protection.

[0038] The support layer 3 includes a shaping material support layer 301 and an air bag support layer 302.

[0039] The shaping material support layer 301 is arranged in the contact layer 1. The shaping material support layer 301 is connected by a plurality of granular structures. The shaping material support layer 301 provides additional support function and shaping effect for the water-solidified shaping layer 2, making the entire pad body more conformable to the human body, easier to shape, reducing the weight of the pad body, and improving the radiation transmittance.

[0040] The water-solidified shaping layer 2 is arranged around the side wall of the contact layer 1 and is located between the shaping material support layer 301 and the contact layer 1. The water-solidified shaping layer 2 is used to provide the shaping and solidification function of the pad body.

[0041] The air bag support layer 302 is arranged on the shaping material support layer 301 and located at the neck or edge of the body of the positioning pad. When in use, it is inflated to wrap the two sides of the patient's body.

[0042] Further, the water-cured shaping layer 2 is made of water-cured polyurethane material, porous fabric or composite fabric, and the water-cured polyurethane material is adsorbed in the porous fabric or fabric; the composite fabric is one or more of composite fabric cloth, 3D fabric cloth, felt, melt-blown cloth and polyester fiber cloth; in this embodiment, the water-cured shaping layer 2 provides the shaping and curing functions of the cushion body, the water-cured polyurethane is uniformly adsorbed in the porous fabric / composite fabric, and has a shaping time of about 3 minutes after contacting with water, and can be cured after 3-5 minutes; the water-cured polyurethane and the composite fabric are used as the water-cured shaping layer 2, have the softness of the fabric, and at the same time, the water-cured polyurethane has good fluidity and strong plasticity, solving the problem of insufficient plasticity of the existing shaping cushion. The water-cured polyurethane material is used, and can be cured in 3-5 minutes, solving the problem of slow heating and cooling rate of the existing shaping cushion; the water-cured polyurethane material is used, and only needs to be soaked in water for 3-5 seconds during use, so as to shape, which is simple in operation and solves the problem of complex operation of the disposable foam cushion. The utility model uses water as a catalyst, and the water-cured polyurethane material can be rapidly cured after contacting with water, the fast curing property enables it to quickly form the required shape, providing support and fixation for the patient; at the same time, the softness of the water-cured polyurethane material enables it to be shaped according to the contour of the patient's body, providing personalized adaptation, thereby improving the positioning accuracy and comfort; the water-cured polyurethane material is uniformly distributed in the composite fabric or porous fabric, can enter the composite cloth uniformly after being soaked in water, uniformly releases heat during curing, and is cured until completion, solving the problem of patient's burn caused by the overheat of the surface of the disposable foam cushion and the shaping cushion.

[0043] Further, the shaping material support layer 301 is made of one or more of organic plastic particles, inorganic material particles, foamed polystyrene particles, super-light clay, organic plastic clay and inorganic plastic clay; the shaping material support layer 301 provides support function and shaping effect for the water-cured shaping layer 2, makes the whole cushion body more fit the human body, is easier to be shaped, reduces the weight of the cushion body and improves the ray transmittance; the selection of the organic plastic particles, inorganic material particles, foamed polystyrene particles, super-light clay, organic plastic clay and inorganic plastic clay aims to provide necessary support and shaping capacity, while keeping the lightness and ray transmittance of the positioning cushion.

[0044] Further, the air bag support layer 302 comprises an air bag; the air bag is in a U-shaped three-dimensional shape, is inflated during use, wraps the two sides of the patient's body and provides additional support and fixation; the air bag is made of one or more of nylon fabric, polyurethane, PVC and rubber material, and the selection of these materials aims to ensure the elasticity and durability of the air bag and effectively wrap the patient's body and keep fixation.

[0045] Further, the inflatable rapid forming human body positioning pad further comprises an air pipe 4 in communication with two sides of the air bag, used for inflating the air bag to achieve inflation of the air bag and body position fixation of the patient, the air pipe 4 is soft and durable plastic or rubber material to ensure air tightness and durability of the air pipe.

[0046] Further, when the positioning pad is used, the aluminum foil sealing package is opened, the product is taken out, the product is soaked in water for 3-5 seconds, the product is placed under the patient's body, and the product is shaped by pressing; and the product can be used after being solidified for 3-5 minutes.

[0047] As can be seen from the above embodiment, the human body positioning pad can be rapidly formed: water is used as a catalyst, and the positioning pad is rapidly solidified after being contacted with water, and the required shape can be formed in 3-5 minutes, so that rapid support and fixation are provided for the patient; meanwhile, the softness of the water-solidified material allows the positioning pad to be shaped according to the patient's body contour, so that personalized adaptation is provided, and the positioning accuracy and comfort are improved.

[0048] The utility model uses the air bag as the support layer, can effectively wrap the body, and plays a good supporting and solidifying role on the shaping material in the softening stage; when the external fabric is solidified, the positioning pad with good adhesion can be formed.

[0049] The utility model uses the water-solidified polyurethane and the composite cloth as the shaping layer, has the softness of the cloth, and meanwhile, the water-solidified polyurethane has good fluidity and strong plasticity, so that the problem of insufficient plasticity of the existing shaping pad is solved.

[0050] The utility model uses the composite cloth as the shaping layer and uses the super-light clay as the support layer, so that the overall density is small, the energy attenuation of the ray is small when the ray penetrates the low-density material, the ray transmittance is high, the dose distribution of the ray is uniform in different depths and directions, and the problem of low ray transmittance of the existing vacuum positioning pad and the shaping pad is solved.

[0051] The utility model uses the water-solidified polyurethane material, which can be solidified in 3-5 minutes, so that the problem of slow heating and cooling rate of the existing shaping pad is solved; the water-solidified polyurethane material is used, and the product only needs to be soaked in water for 3-5 seconds during use, so that the shaping operation is simple, the problem of complex operation of the disposable foam pad is solved; the safe and non-toxic polyurethane material and water are used as the solidifying agent, so that the release of toxic substances is avoided, and the safety of the staff and the patient is protected; the water-solidified polyurethane material is uniformly distributed in the composite cloth, can enter the composite cloth after being soaked in water, and uniformly releases heat during solidification until the solidification is completed, so that the problem of patient scalding caused by overheating of the surface of the disposable foam pad and the shaping pad is solved.

[0052] The utility model uses the shaping material as the support layer, is favorable for the shaping of the surface shaping layer, and improves the shaping effect and adhesion of the positioning.

[0053] The above merely describes preferred embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation made by using the content of the present application specification and drawings, or direct / indirect application in other related technical fields are included in the patent protection scope of the present application.

Claims

1. An inflatable rapid prototyping body positioning pad, characterized by, Include: Contact layer (1), water solidification shaping layer (2), support layer (3); The contact layer (1) is used for direct contact with human skin; The support layer (3) comprises a shaping material support layer (301) and an air bag support layer (302); The shaping material support layer (301) is arranged in the contact layer (1); the shaping material support layer (301) is connected by a plurality of granular structures; The water solidification shaping layer (2) is arranged around the side wall of the contact layer (1) and is arranged between the shaping material support layer (301) and the contact layer (1); The air bag support layer (302) is arranged on the shaping material support layer (301) and is located at the neck or the edge of the body of the positioning pad, and is inflated during use to wrap the two sides of the patient's body.

2. The inflatable rapid prototyping body positioning cushion of claim 1, wherein, The air bag support layer (302) comprises an air bag; the air bag is in a U-shaped three-dimensional shape, and is inflated during use to wrap the two sides of the patient's body.

3. The inflatable rapid prototyping body positioning cushion of claim 2, wherein, The inflatable rapid forming human body positioning pad further comprises an air pipe (4) in communication with the two sides of the air bag for inflating the air bag.