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41results about How to "Design personalization" patented technology

Method for preparing complexly shaped biomedical porous titanium molybdenum alloy implant body

The invention provides a method for preparing a complexly shaped biomedical porous titanium molybdenum alloy implant body and belongs to the technical field of biomedical porous metallic material preparation. The method comprises the following steps of: taking a mixture of titanium and molybdenum metallic element powder and organic polymer powder as raw materials, and then preparing the biomedical porous titanium molybdenum alloy implant body by adopting the processes, such as three-dimensional modeling, selective laser-firing rapid forming, thermal de-greasing, vacuum sintering, and the like. The processing steps are simple, the period is short, the use ratio of materials is high, the cost is low, any complexly shaped porous titanium alloy implant body can be conveniently manufactured, and the method has efficiency and economic advantages in individual design and rapid manufacturing of the implant body. A titanium molybdenum alloy material prepared by using the method has the advantages that pore space is uniform, adjustment scopes of porosity, aperture ratio and aperture are wide, elasticity modulus and compression strength are in close proximity to natural bone, and the demand on biomechanical compatibility required by a biomedical material is met.
Owner:UNIV OF SCI & TECH BEIJING

Fractal design method for roller bit gear teeth structure

The invention relates to a fractal design method for a roller bit gear teeth structure, and belongs to a method for designing size, number and distribution of roller bit gear teeth in petroleum drilling. The fractal design method for the roller bit gear teeth structure is characterized in that: the structure consists of N-order (N is equal to 2 to 9) continuously arranged gear teeth, the number of initial values of which is M (M is equal to 2 to 9), wherein the gear teeth have non-uniform height; the adjacent gear teeth of the same order have mutual offset; and the structure has the rule thatthe first-order fractal gear teeth of the N-order fractal gear teeth consist of M gear teeth, the teeth heights and the teeth diameters of the M gear teeth of the first order have deviations H1 and D1, the second-order gear teeth consist of M groups of first-order gear teeth, the teeth heights and the teeth diameters of the M groups of fractal gear teeth in the second order have deviations H2 andD2, the number of the gear teeth of the Nth order is MN, the gear teeth of the Nth order consist of MN-1 groups of first-order gear teeth, and the teeth heights and the teeth diameters of the MN-1 groups of fractal gear teeth in the N order have deviations HN and DN. The bit gear teeth distribution is in personalized development, and the method is convenient to operate and has low cost.
Owner:NORTHEAST GASOLINEEUM UNIV

Personalized mandible substitute compounded with autologous bone

The invention discloses a personalized mandible substitute compounded with an autologous bone. Two ends of a substitute are respectively provided with a fixing wing plate to realize connection with anatural mandible, and the upper part of the substitute is provided with a fixing groove for fixing an autologous bone; bone fusion areas are arranged in contact areas of two ends of substitute and natural mandible, the contact area of the fixing wing plate and natural mandible and the contact area between the substitute and autogenous bone and a soft tissue fusion area is arranged in the area, making contact with the surrounding soft tissue, of the substitute so as to promote fusion of the substitute and the surrounding tissue, improve the biocompatibility of the substitute and enhance the biomechanical strength of the substitute; and the rest is a mandible body supporting area. According to the invention, a problems of autogenous bone shortage, difficult shaping, poor fusion of a thermoplastic material as a mandible implant with natural bone tissues and surrounding soft tissues and the like can be solved, so that the fusion of the mandible substitute and the surrounding tissues is promoted, the healing of a wound after the substitute is implanted is accelerated, and the living quality of a patient is further improved.
Owner:XI AN JIAOTONG UNIV +1

Customized commodity ordering method and device, storage medium and electronic equipment

The invention discloses an ordering method and device of a customized commodity, a storage medium and electronic equipment, the customized commodity is formed by combining a plurality of sub-commodities, and a three-dimensional model of each sub-commodity can be displayed based on a preview operation of a user during ordering. And then, according to the operation of the user on the three-dimensional model of each sub-commodity, determining a combination mode of the customized commodity. And based on the three-dimensional model of each sub-commodity and the combination mode of the customized commodity, determining and displaying a combined three-dimensional model of the customized commodity. And finally, according to the combined three-dimensional model selected by the user, determining commodity parameters of the customized commodity so as to determine order information of the customized commodity. Based on the operation of the user on the three-dimensional model of each sub-commodity, the combination mode of the customized commodity is determined, and the combined three-dimensional model of the customized commodity is generated, so that the personalized design of the user on the customized commodity is satisfied, the ordering time of the user is shortened, and the business execution efficiency is improved.
Owner:BEIJING SANKUAI ONLINE TECH CO LTD

Telescopic foot stool

The invention discloses a telescopic foot stool, which comprises a sliding piece with a sliding hole, a supporting piece, a positioning piece installed on the supporting piece and a locking piece, wherein the locking piece is provided with a threaded rod and a clamping head, the positioning piece is provided with a threaded hole, the sliding piece is arranged on the supporting piece in a sleeving mode through the sliding hole, the sliding piece is provided with a positioning hole communicated with the sliding hole, the supporting piece is provided with a first end and a second end, the supporting piece is provided with a first strip-shaped hole and a second strip-shaped hole, the first strip-shaped hole obliquely extends from the first end to the second end, the second strip-shaped hole extends from the first end to the second end, the positioning piece is installed in the first strip-shaped hole in a sliding mode, the threaded rod sequentially penetrates through the positioning hole and the second strip-shaped hole and is in threaded connection with the positioning piece, and when the positioning piece slides from the first end to the second end, the distance between the positioning piece and the second strip-shaped hole is gradually increased. The telescopic foot stool is adjustable in height and stable in structure, and the situation that the height of the foot stool is changed due to gravity is avoided.
Owner:海太欧林集团华南有限公司

Parametric modeling method of ascending aorta, aortic arch and its three branches

The method for parametric modeling of the ascending aorta, aortic arch and its three branches according to the present invention belongs to the field of biological 3D printing modeling, and relates to a parametric modeling method for the ascending aorta, aortic arch and its three branches based on anatomical features . This method first obtains CT medical images of patients, imports the data into image analysis software, and adjusts various display parameters. The built-in thresholding function and region growing function of the application software, combined with manual correction, draws the mask of the patient's target blood vessel segment and surrounding constrained organs and tissues; segments the surrounding organs and tissues of the patient's artery, including the sternum, thoracic spine, superior vena cava, trachea, and Pulmonary artery trunk, generate a 3D model of the target vessel segment and surrounding constrained organs and tissues. This method improves the applicability of the implanted aorta and the life of the implant, and can adjust the geometric model of the target blood vessel segment by adjusting multiple sets of specific parameters, so that the blood flow design is personalized, with a high degree of freedom and a high degree of restoration. high.
Owner:DALIAN UNIV OF TECH

Convenient and rapid device applied to grinding machine scrap iron discharging

The invention belongs to the field of grinding machines, and discloses a convenient and rapid device applied to grinding machine scrap iron discharging. The device comprises a protection shell, a first rotary disc, a discharging opening, a second rotary disc, a magnetic conveying chain, a feeding opening, a conveying belt, a motor and a magnetic conveying chain; the motor and the conveying chains are arranged in the protection shell, the first rotary disc is arranged at the upper ends of the magnetic conveying chains, the discharging opening is formed in the top of the first rotary disc, and the discharging opening and the first rotary disc are fixedly connected; and the second rotary disc is installed at the upper end of the discharging opening. The device is reasonable in design, low in production cost and personalized in design; through the arrangement of the feeding opening, manual control can be not needed, the requirement for high feeding accuracy is achieved, the machining accuracy is high, the hand labor intensity is reduced, the production efficiency is improved, and therefore the working efficiency is improved; and the drainage function is achieved, safety and stability are achieved, the service life is long, and the equipment is suitable for use and popularization.
Owner:芜湖银海机械制造有限公司

Method for preparing complexly shaped biomedical porous titanium molybdenum alloy implant body

The invention provides a method for preparing a complexly shaped biomedical porous titanium molybdenum alloy implant body and belongs to the technical field of biomedical porous metallic material preparation. The method comprises the following steps of: taking a mixture of titanium and molybdenum metallic element powder and organic polymer powder as raw materials, and then preparing the biomedical porous titanium molybdenum alloy implant body by adopting the processes, such as three-dimensional modeling, selective laser-firing rapid forming, thermal de-greasing, vacuum sintering, and the like. The processing steps are simple, the period is short, the use ratio of materials is high, the cost is low, any complexly shaped porous titanium alloy implant body can be conveniently manufactured, and the method has efficiency and economic advantages in individual design and rapid manufacturing of the implant body. A titanium molybdenum alloy material prepared by using the method has the advantages that pore space is uniform, adjustment scopes of porosity, aperture ratio and aperture are wide, elasticity modulus and compression strength are in close proximity to natural bone, and the demand on biomechanical compatibility required by a biomedical material is met.
Owner:UNIV OF SCI & TECH BEIJING

Parametric modeling method for ascending aorta, aortic arch and three branches of ascending aorta and aortic arch

The invention discloses a parametric modeling method for ascending aorta, an aortic arch and three branches of the ascending aorta and the aortic arch, and belongs to the field of biological 3D printing modeling. The method comprises the following steps: firstly, acquiring a CT medical image of a patient, importing data into image analysis software, and adjusting various display parameters; employing a thresholding function and a region growing function of software, and drawing a target blood vessel section of the patient and a peripheral constraint organ tissue mask in combination with manualcorrection; dividing peripheral organs and tissues of the artery of the patient into sternum, thoracic vertebra, superior vena cava, trachea and pulmonary artery stem, and generating a three-dimensional model of a target blood vessel section and peripheral constraint organs and tissues. According to the method, the applicability of the implantable aorta is improved, the service life of the implantable aorta is prolonged, the geometric model of the target blood vessel section can be adjusted by adjusting multiple sets of specific parameters, blood flow design is personalized, the degree of freedom is high, and the reduction degree is high.
Owner:DALIAN UNIV OF TECH
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