CN112656179A

CN112656179A - Intelligent factory production 3D prints healthy pillow of cervical vertebra

Info

Publication number: CN112656179A
Application number: CN201910951776.4A
Authority: CN
Inventors: 张静涵; 张鑫浩; 苏瀚鑫; 程竹晴; 李玲玲; 赵雨萌; 洪乐; 周韩祺; 孙亦非
Original assignee: Jilin Foresight Information Technology Co ltd
Current assignee: Jilin Foresight Information Technology Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2021-04-16

Abstract

The invention belongs to the field of medical health, and relates to application of a 3D printing technology in intelligent manufacturing production, namely large-scale customized production of cervical vertebra health pillows. The intelligent manufacturing production of the cervical vertebra health pillow is based on the 3D printing of special materials and the three-dimensional reconstruction technology of a cervical vertebra model, the cervical vertebra health pillow is designed through a special algorithm according to the cervical vertebra image information of a client, and a customized cervical vertebra supporting protection scheme is provided for the cervical vertebra of each user. Different from similar pillow products in the market, the product has scientific and reasonable material selection and adopts the nano polylactic acid with stronger biocompatibility. The product prints the laminating cervical vertebra with the help of 3D, has outstanding effect to the protection of cervical vertebra when the user sleeps. Meanwhile, the product is produced by using an intelligent manufacturing technology, high-end customization can be provided for different user requirements, and the method has a very strong application prospect and a very strong commercial value.

Description

Intelligent factory production 3D prints healthy pillow of cervical vertebra

Technical Field

The invention relates to the field of pillows, in particular to a cervical vertebra health pillow and a production method thereof.

Background

With the continuous promotion of urbanization in China and the continuous improvement of the education age of citizens, the number of urban population, particularly the number of workers engaged in mental labor, is greatly increased. Due to the fact that people study and work in classrooms and offices for a long time, patients with sub-health or disease states of cervical vertebra and lumbar vertebra are increasing. Because the posture, the behavior and the body structure of each person are different, the customized convenient maintenance and medical care product aiming at the personal characteristics does not appear in the current market at the early stage of the spinal column sub-health or the sick, so that the person cannot find the product completely meeting the self condition.

The personalized service of large-scale customized production is utilized, full-flow full-intelligent unmanned treatment is carried out, traceable unmanned intelligent production from ordering to logistics is completed through intelligent co-production, a cervical vertebra scientific reconstruction model of a customer is printed by using materials such as nano polylactic acid in a 3D mode, different supporting schemes can be provided for each user, product customization and matching service in the field of medical health pillows can be achieved, and an intelligent manufacturing system is really introduced into the field of traditional medical health.

Disclosure of Invention

The product produced and manufactured by an intelligent factory is a 3D cervical vertebra health pillow, and is a novel pillow-shaped product for carrying out full-dimensional support protection on the cervical vertebra according to human engineering and biomechanics. The whole health pillow is butterfly-shaped (as shown in figure 1), the upper surface is divided into a middle supine region and two side lying regions, and neck supports printed in 3D mode according to a personal spine protrusion curve are added into the supine region to support and protect (as shown in figure 2). The body comprises three parts, namely a customized neck brace part (red in figure 2), an upper soft material part (white in figure 2) and a bottom hard base part (blue in figure 2).

The overall size of the pillow is 60cm in length, 40cm in width and 4.5cm in height. The 3D printing neck collar part has the dimensions of 15cm in length, 15cm in width and 3cm in height.

The pillow body, soft materials part selects latex for use as the main part material, has the antibacterial effect of anti-mite nature, has higher gas permeability and biocompatibility simultaneously, has environmental protection, pollution-free, nontoxic advantage, and the buffering human pressure that can be fine highly agrees with the human head neck portion curve, can provide comfortable body for the sleep and feel. And the price is moderate, so that the pillow is a popular material for middle and high-end pillows, and meets the public recognition.

The hard base part provides stable support for the whole pillow, ensures that the whole deformation of the pillow is controlled in a comfortable interval without causing the loss of the supporting force, and simultaneously provides effective fixation and support for the neck support part, thereby avoiding the damage caused by improper displacement of the soft material to the neck support part in the extrusion process.

The cervical collar portion (fig. 3-6) was generated by a 3D printing technique from a user's spine curve scan model, using nano-polylactic acid material. Polylactic acid is a common material close to the human body, has good biocompatibility, and is not easy to cause allergy or other physiological discomfort phenomena; the biodegradable carbon dioxide has better biodegradability, can be completely degraded and converted into carbon dioxide by microorganisms, and meets the national production standard and the requirements of environmental protection; the polylactic acid and the latex have similar physical and chemical properties and can be better connected, so that the neck support and the pillow main body can be well embedded; the polylactic acid has good physical properties, good glossiness and transparency, high aesthetic feeling, high tensile strength and strong ductility, and can adopt various processing methods. The pillow support part can be used for attaching to a cervical vertebra curve to a great extent, providing differentiated support and protection for different stress points of the cervical vertebra, analyzing and designing curvature of an attaching position according to bones and muscle structures, and intelligently searching for an optimal comfortable and healthy interval. The neck support part is fixed on the base in an embedded mode, and can be continuously redesigned and assembled into a finished product in the process of adjusting the growth and the neck using habits of a user.

The pillow has a height of 4.5cm, and the neck support region provides supporting force to ensure full fit with human neck curve, so as to ensure normal curvature of head and neck, keep muscle and ligament in front of vertebral body in relaxed state, and improve stability of spinal column. And the problems of excessive forward bending of the head and the neck, strain of muscle groups and ligaments at the back of the vertebra, tensioning of the posterior wall of the spinal dural sac, forward movement of the spinal cord, compression on the spinal cord and the like are avoided, and the degeneration of the cervical vertebra and the change of hyperosteogeny can be greatly slowed down and eliminated. The initial symptoms of cervical spondylosis are usually embodied as the change of the curvature of the neck, and the cervical spondylosis can be restored to the normal physiological curvature by proper height and support, so that the cervical spondylosis is effectively protected, and the occurrence or aggravation of the cervical spondylosis is avoided.

The software adopted for modeling is Mimics (figures 7-10), the software is medical imaging processing software widely used in the medical field, the development and maintenance are over 25 years, a powerful segmentation tool box is provided, an accurate medical 3D model can be created, and the software can be used for designing specific medical equipment of a patient.

The production mode adopts an intelligent factory customized production mode (figure 11), and the automatic control center comprises a numerical control machining center, an intelligent robot, an industrial camera and other flexible manufacturing equipment to complete the processes of assembling, finish machining, packaging of an automatic air pump packaging control machine, pasting of a product information two-dimensional code and the like, so that the intelligent factory mode greatly improves the working efficiency and ensures the precision and the speed of product production. Can realize an unattended full-automatic production mode.

The warehousing and logistics process adopts an intelligent data management system and an intelligent logistics system. The data management system can manage products according to the two-dimension codes of the products on the packages and perform dynamic data checking on the warehouse, including stock, bills, raw materials and the like, so that comprehensive material confirmation is realized, the storage efficiency can be improved, and the storage cost can be reduced; the intelligent logistics system can finish the logistics sending and the logistics tracking according to the requirements of customers.

Setting a client information management system, utilizing a large-scale relational database management system to perform processing such as inquiry and the like on the client information, tracking use feedback and product suggestions, and collecting use experience and evaluation; and the collective recovery and pollution-free treatment of waste products can be realized by updating information. And data collection and processing are carried out, so that long-term service is provided for users, and products are optimized.

Detailed Description

After ordering, the user needs to upload the order or go to a cooperative will and a medical center by himself, and the user can take a recent CT/MRI two-dimensional digital image of the individual by utilizing an X-ray radiation developing technology or a CT scanning computed tomography technology, wherein the image is required to include a complete cervical vertebra region.

And after a two-dimensional CT image is obtained, the two-dimensional CT image is handed to a modeling center, and the modeling is carried out by adopting Mimics software. The first step is to convert the continuous fault section into continuous fault digital image through shooting. And a positioning mark needs to be added into a shot sample image packet, so that the registration of an original image and the accuracy of two-dimensional information are ensured. However, images acquired by CT and MRI apparatuses do not have to be considered for alignment between tomographic images because the scanning speed is extremely high. The second part extracts a desired structure in the tomographic image and performs image segmentation. The area to be analyzed that needs to be preserved is painted out and the result is in the form of a mask, reflecting only the areas of interest that need to be preserved and the areas that do not need to be preserved, and is therefore binary (only 0 and 1). At this time, various modifications and morphological operations can be performed on the mask to obtain a satisfactory image. And thirdly, dividing a three-dimensional mask extraction contour line of the region of interest according to the continuous tomographic image, and performing three-dimensional reconstruction. And finally, repairing and perfecting the model.

According to the established three-dimensional model of the cervical vertebra, the modeling center integrates the cervical muscle state of a user, the pathological condition of the cervical vertebra and the doctor's suggestion, a cervical part pillow model based on the cervical vertebra state is manufactured by adopting software such as 3ds max and solidworks, the length and the width of a base and the shape of a pillow body are adjusted and optimized, the fitting degree and the comfort degree of the simulated pillow body are improved, and the hardness parameters of a printing material are better met. Finally, adding proper support, hollow-out and other model personalized designs.

Polylactic acid is used as a 3D printing neck support part material, a pillow body is made of materials such as latex and silica gel, and the materials are provided for an intelligent factory to be used as data input of 3D printing part pillow production.

In an intelligent production site, a numerical control machining center, an intelligent robot, an industrial camera and other flexible manufacturing equipment carry out intelligent combined finish machining on workpieces and materials, and intelligent assembly and detection are carried out on all parts of the pillow body, namely the pillow body is connected from a 3D printing part to a non-3D printing part and then to the two parts. The intelligent factory can also utilize an automatic device to control and manage the packaging process, and an air pump packaging control machine is used for packaging the product into a packaging box and attaching two-dimensional codes corresponding to information of product production, content, logistics and the like. The method achieves a real unattended full-automatic production mode, and finally realizes automatic production, automatic packaging and traceable logistics. After the packaging is finished, the products are sent to a designated shelf by an intelligent logistics system in the warehouse.

By means of the customer information management system, maximization and optimization of customer information utilization are achieved. A large relational database management system is adopted, and components for parallel processing and decision query optimization are selected for information processing. After the customer receives the cervical vertebra pillow, in a certain period of time, the system carries out tracking feedback processing, further knows the user and feels to the use of cervical vertebra pillow, collects the suggestion of user to the product, observes the evaluation for a long time to user information, knows the growth process, is favorable to realizing the target of the long-term service of user. In addition, through the timely update of the use information of the customers, the enterprises can effectively recycle the waste products and carry out effective pollution-free treatment.

Drawings

Fig. 13D prints the entire front of the cervical vertebra health pillow;

FIG. 23D print health pillow cross section (with neck support part)

FIG. 33D drawing of a customized neck brace

FIG. 43D front view of a customized neck brace

FIG. 53D front view of a customized neck brace

FIG. 63D customized neck brace object diagram side

FIG. 7 CT image is transformed into 3-dimensional cervical vertebra model (Mimics software implementation)

FIG. 8 3D neck brace model customized by user cervical spine model (Mimics software implementation)

FIG. 9 3D neck brace model customized by user cervical spine model

FIG. 10 3D neck brace model customized by user cervical spine model

FIG. 11 is a diagram of an intelligent plant model.

Claims

1. A health pillow for supporting and protecting cervical vertebrae is characterized by being produced according to the following method:

1) CT image data in a dcm format is obtained by a user through Computed Tomography (CT)

2) The CT image is imported into 3-dimensional reconstruction software (which is replaceable by using Mimics) for medical treatment, and a 3D simulation model which accords with the physiological curve of the cervical vertebra of a user is reconstructed. A 3D custom collar solid model conforming to the user simulation model and conforming to the base socket was constructed with modeling software (previously 3ds max was used, alternative). The above models are all saved in stl format.

3) And after the 3D customized neck brace three-dimensional model is finished, importing the neck brace three-dimensional model into an intelligent factory control terminal computer.

4) The terminal computer imports the 3D printer with 3D customization neck brace three-dimensional model stl file, and the 3D printer carries out 3D automatically and prints. Meanwhile, the terminal computer controls an intelligent factory to automatically start the production of the hard base and the soft material according to the requirement of a user.

5) The pillow is automatically assembled and packed on the production line. The packed finished products are automatically sent to a temporary storage place to wait for uniform distribution.

2. The production method according to claim 1, characterized in that the manufacture of the 3D customized neck collar is done in one go by a 3D printer with 3D printing technology, conforming to the stereo model of stl format.

3. The method of claim 1, wherein the 3D custom collar has an upper profile that conforms to the physiological curve of the user's cervical spine and a lower profile that corresponds to the rigid base socket profile. The 3D customized neck brace is detachable. The printing raw material is nano-grade polylactic acid. The dosage is about 500g, and is slightly different according to the real size and shape of the cervical vertebra of the user.

4. The method of claim 1, wherein the rigid base portion center contains a socket for securing a 3D custom neck brace. The hard base part is made of plastic, the using amount is about 1kg, and the shape of the neck support customized according to 3D is slightly different.

5. The method of claim 1, wherein the soft material portion encases pillow components including a rigid base and a 3D custom neck brace. The soft material part can be dismantled, and the raw materials for production are latex, and the quantity is about 1.2kg, and the shape of customizing the neck brace according to 3D is slightly different.

6. The method of claim 1, wherein the smart factory control terminal adjusts and produces the soft material and base by 3D customizing the size of the neck brace and user feedback requirements.