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Found 5 results

  1. Version

    148 downloads

    Transposition of the great arteries is a serious but rare heart defect present at birth, in which the two main arteries leaving the heart are reversed (transposed). Transposition of the great arteries is usually detected either prenatally or within the first hours to weeks of life. Transposition of the great arteries changes the way blood circulates through the body, leaving a shortage of oxygen in blood flowing from the heart to the rest of the body. Without an adequate supply of oxygen-rich blood, the body can't function properly and a child faces serious complications or death without treatment. Corrective surgery soon after birth is the usual treatment for transposition of the great arteries. There are three STL files available for download segmented as seen in the video and images. These files have been zipped to save space and data transfer. The model is provided for distribution on Embodi3D with the permission of the author, pediatric cardiologist Dr. Matthew Bramlet, MD, and is part of the Heart Library. We thank Dr. Bramlet and all others who are working to help children with congenital heart problems lead normal and happy lives. It is distributed by Dr. Bramlet under the Creative Commons license Attribution-NonCommercial-NoDerivs. Please respect the terms of the licensing agreement. A US quarter is shown for scale in the images below.

    Free

  2. Version

    223 downloads

    Normally there are two main blood vessels leaving the heart: the aorta, carrying blood to the body, and the pulmonary artery that branches immediately to carry blood to each lung. Instead of having a separate pulmonary artery and aorta, each with its own three-leafed valves, a baby with truncus arteriosus has only one great blood vessel or trunk leaving the heart, which then branches into blood vessels that go to the lungs and the body. This great vessel usually has one large valve which may have between two and five leaflets. Usually this great vessel sits over both the left and right ventricle. The upper portion of the wall between these two chambers is missing, resulting in what is known as a ventricular septal defect (VSD). There are 3 separate files as well as a fourth STL file for 3D printing the whole model. The three part model has holes for magnets, which can be used to connect and separate the pieces. All the STL files have been zipped to conserve space. The model is provided for distribution on Embodi3D with the permission of the author, pediatric cardiologist Dr. Matthew Bramlet, MD, and is part of the Congenital Heart Defects library. We thank Dr. Bramlet and all others who are working to help children with congenital heart problems lead normal and happy lives. It is distributed by Dr. Bramlet under the Creative Commons license Attribution-NonCommercial-NoDerivs. Please respect the terms of the licensing agreement. A US quarter is shown for scale in the images below.

    Free

  3. Version

    142 downloads

    Ventricular Septal Defect or VSD is a hole in the wall separating the two lower chambers of the heart. Ventricular Septal Defect is a common heart defect that's present at birth (congenital). In normal development, the wall between the chambers closes before the fetus is born, so that by birth, oxygen-rich blood is kept from mixing with the oxygen-poor blood. When the hole does not close, it may cause higher pressure in the heart or reduced oxygen to the body. A small ventricular septal defect may cause no problems, and many small VSDs close on their own. Larger VSDs need surgical repair early in life to prevent complications. These STL files are derived from a Magnetic Resonance Imaging (MRI) of a 3 year old girl with complex perimembranous to muscular VSD with band dividing it into a large anterior component and smaller posterior component. There are 3 separate files as well as an STL file for 3D printing the whole model at once. The three STL files have been zipped and available for download. Alternatively, one STL file representing the whole model is also available for download. The three part model has holes for magnets, which can be used to connect and separate the pieces. The model is provided for distribution on Embodi3D with the permission of the author, pediatric cardiologist Dr. Matthew Bramlet, MD, and is part of the Congenital Heart Defects library. We thank Dr. Bramlet and all others who are working to help children with congenital heart problems lead normal and happy lives. It is distributed by Dr. Bramlet under the Creative Commons license Attribution-NonCommercial-NoDerivs. Please respect the terms of the licensing agreement. A US quarter is shown for scale in the images below.

    Free

  4. Version

    61 downloads

    Pulmonary atresia is a form of congenital heart disease, in which the pulmonary valve does not form properly. The pulmonary valve is located on the right side of the heart and regulates blood flow to the lungs. This defect prevents blood from flowing into the lungs to gather oxygen. Pulmonary atresia is often associated with patent ductus arteriosus and can occur with or without a ventricular septal defect. Symptoms, which usually occur within the first few hours of life, include cyanosis, fast breathing, fatigue, poor eating habits, and shortness of breath. The CT scan, from which the STL files are derived, is from a 3 week old infant suffering from pulmonary atresia, ventricular septal defect with confluent branch pulmonary arteries and patent ductus arteriosus (PDA). In addition, there is a right aortic arch with a tortuous PDA inserting into the right pulmonary artery as well as an atrial septal defect (ASD). The left subclavian artery originates first off the aorta with a common origin of the left and right carotid arteries followed by the right subclavian artery. Five STL files have been zipped and available for download. One blood pool model for extracardiac structural analysis, and four files for the myocardial segmentation. One file of the entire heart and then three files, (1,2 and 3) of the three slice method with the center slice aligning with a short axis slice and containing all valves. The heart model was designed to be printed in three slices and held together with magnets. The model is provided for distribution on Embodi3D with the permission of the author, pediatric cardiologist Dr. Matthew Bramlet, MD, and is part of the Heart Library. We thank Dr. Bramlet and all others who are working to help children with congenital heart problems lead normal and happy lives. It is distributed by Dr. Bramlet under the Creative Commons license Attribution-NonCommercial-NoDerivs. Please respect the terms of the licensing agreement. A US quarter is shown for scale in the images below.

    Free

  5. Version

    159 downloads

    This three-part 3D printed heart is from a CT scan of a 4-year-old infant with Tetrology of Fallot, a congentital heart defect and the most common cause of blue baby syndrome. It is characterized by stenosis (narrowing) of the pulmonary artery, an abnormal defect of the ventricular septum, an "overriding" aorta, and hypertrophy of the right ventricle. This patient has had a corrective surgery called Blalock-Taussig shunt. The three STL files have been zipped and available for download. Alternatively, one STL file representing the whole model is also available for download. The three part model has holes for magnets, which can be used to connect and separate the pieces. The magnets can be found on a site which specializes in rare earth magnets. The model is provided for distribution on Embodi3D with the permission of the author, pediatric cardiologist Dr. Matthew Bramlet, MD, and is part of the Heart Library. We thank Dr. Bramlet and all others who are working to help children with congenital heart problems lead normal and happy lives. It is distributed by Dr. Bramlet under the Creative Commons license Attribution-NonCommercial-NoDerivs. Please respect the terms of the licensing agreement. A US quarter is shown for scale in the images below.

    Free

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