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A method for manufacturing breast prosthesis based on three-dimensional printing technology
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A breast prosthesis and three-dimensional printing technology, applied in the direction of artificial breasts, additive processing, etc., can solve the problems of uncertain cosmetic effect, many long-term complications, single shape, etc., achieve significant plastic effect, reduce medical costs, and structural well-designed effects
Active Publication Date: 2017-01-18
REGENOVO BIOTECH
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[0007] Aiming at the defects of existing breast reconstruction surgery, such as fixed breast prosthesis, single shape, complex shape modification during reconstruction, uncertain postoperative cosmetic effect, and many long-term complications, the present invention proposes a biological three-dimensional printing technology. Preparation method of personalized digital breast prosthesis
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Embodiment 1
[0032] By operating the MRI scanner (1), a breast MRI examination is performed on a 50-year-old female patient, that is, the limb to be scanned (2) is subjected to imaging analysis, and high-quality medical imaging data (3) of the patient's bilateral breasts are obtained by scanning, as shown in figure 1 shown.
[0033] Based on the breast medical imaging data obtained by MRI, reconstruct the 3D image of the breast tissue through a 3D image reconstruction algorithm or commercial medical image processing software, such as Mimics (5), measure the 3D shape data of the patient's breasts and breasts, and pay attention to tumors The aesthetic evaluation of the side and the non-operated side is based on five parameters, R-line, H-line, QQ-line, upper π-line, lower π-line (6).
[0034] Utilizing the image difference between normal breast tissue and tumor tissue, the tumor part is extracted by image segmentation method, the tumor boundary is clearly displayed, and the relative position...
Embodiment 2
[0038] By operating the MRI scanner (1), breast MRI examination is performed on a 42-year-old female patient, that is, the limb to be scanned (2) is subjected to imaging analysis, and high-quality medical imaging data (3) of the patient's bilateral breasts are scanned, such as figure 1 shown.
[0039] Based on the breast medical imaging data obtained by MRI, reconstruct the 3D image of the breast tissue through a 3D image reconstruction algorithm or commercial medical image processing software, such as Mimics (5), measure the 3D shape data of the patient's breasts and breasts, and pay attention to the tumor side And non-operated breast aesthetic evaluation five parameters, R-line, H-line, QQ-line, upper π-line, lower π-line (6).
[0040] Utilizing the image difference between normal breast tissue and tumor tissue, the tumor part is extracted by image segmentation method, the tumor boundary is clearly displayed, and the relative position of the tumor is determined with the cent...
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Abstract
The invention discloses a breast prosthesis manufacturing method based on the three-dimensional printing technology. The method comprises the steps that a tumor to be excised is analyzed and positioned according to breast medical image data of a patient before an operation, the shape, size and position of the excision part are determined, a three-dimensional digitalization tumor model is established, the radical treatment of the tumor and the demand for individualization overall beauty of the patient in the breast reestablishing process are comprehensively taken into consideration, a breast prosthesis three-dimensional model is optimized and designed according to the established tumor model and the breast shaping golden method, biologically-compatible materials conforming to the hand touch texture of the breast are selected, and the breast prosthesis is printed and formed through the biological three-dimensional printing technology. According to the breast prosthesis manufacturing method, the relation between the breast tumor and the peripheral tissue can be clearly displayed by analyzing and establishing the three-dimensional digitalization tumor model, and thus a doctor can conveniently determine the tumor excision range before the operation; the individualized accurate breast prosthesis can be provided for the patient quickly through the biological three-dimensional printing technology to improve the tumor radical treatment effect and the plastic surgery treatment effect, the living quality is improved, and the medical cost is lowered.
Description
technical field [0001] The invention relates to the fields of medical treatment and breast prosthesis manufacturing, in particular to a breast prosthesis manufacturing method based on medical imaging and rapid prototyping technology. Background technique [0002] In recent years, the incidence of malignant breast tumors ranks first among female malignant tumors in both developed countries in Europe and the United States and cities in my country. At present, the treatment of breast cancer is mainly comprehensive treatment based on surgery. The surgical methods mainly include traditional modified radical mastectomy and breast-conserving radical mastectomy developed in recent years. The traditional modified radical mastectomy for breast cancer is to remove the whole mastectomy, resulting in the absence of the breast as a whole; however, if the breast-conserving radical mastectomy is not enough, it will cause residual tumor and lead to treatment failure, and if the mastectomy is...
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