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Spine and Pelvis

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Files related to 3D printing spine models.

484 files

  1. Free

    Whole Spine (Dorsal-Lumbar-Sacral) and Aorta - STL file from converted CT scan

    Whole Spine (Dorsal-Lumbar-Sacral) and Aorta:

    The dorsal (thoracic) spine forms the middle portion of the vertebral column extending below the seventh cervical vertebra to above the first lumbar vertebra. The dorsal spine is formed by twelve vertebral bodies.
    The vertebrae forming the dorsal spine are unique in shape as they are the only vertebral bodies articulating with ribs.
     
    The lumbar spine represents the mid-lower segment of the vertebral column and is composed of five adjacent vertebrae. They are convex anteriorly to form a lumbar lordosis. The lumbar spine facet joints allows limited movements and rotation.
     
    The sacrum is the lower most segment of the vertebral column and also forms the posterior wall of the bony pelvis. The sacrum is formed by five fused sacral vertebrae.
    The sacrum is formed by fusion of five sacral vertebrae has three surfaces, a base and an apex. The body of the first segment is large and is similar to lumbar vertebra whereas the bodies of the next bones get progressively smaller, are flattened from the back, and curved to shape.
    The sacrum articulates with four other bones – iliac bones on either side, L5 above and coccyx below. It is tilted forward and curved with anterior concavity and posterior convexity allowing greater room for pelvic cavity. The curvature of sacrum varies in individuals.
     
    This model shows segment of the heart, the aorta and sacro-iliac joints.
      This 3D model was created from the file ABD_LYMPH_001   The original CT examination can be reviewed at:

    23 downloads

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    Updated

  2. Free

    Whole Spine (Cervical-Dorsal-Lumbar-Sacral) - Bone model STL file from converted CT scan

    Whole Spine (Cervical-Dorsal-Lumbar-Sacral)
      The cervical spine is the upper most spines forming the spinal column, extending from the skull base to the level of the thoracic vertebra (the spines with attached ribs). The cervical spines are usually seven and the main function is to support the skull and to protect the spinal cord.
    Apart from the first cervical vertebra (atlas) and the second vertebra (axis), the other vertebral bodies share a general anatomical appearance:
    Oval shaped vertebral bodies with wide vertebral arch, large vertebral foramina and long spinous processes.
     
    The dorsal (thoracic) spine forms the middle portion of the vertebral column extending below the seventh cervical vertebra to above the first lumbar vertebra. The dorsal spine is formed by twelve vertebral bodies.
    The vertebrae forming the dorsal spine are unique in shape as they are the only vertebral bodies articulating with ribs.
     
    The lumbar spine represents the mid-lower segment of the vertebral column and is composed of five adjacent vertebrae. They are convex anteriorly to form a lumbar lordosis. The lumbar spine facet joints allows limited movements and rotation.
    This model shows lumbar spondylo-degenerative changes manifested by marginal osteophytic lipping.
     
    The sacrum is the lower most segment of the vertebral column and also forms the posterior wall of the bony pelvis. The sacrum is formed by five fused sacral vertebrae.
    The sacrum is formed by fusion of five sacral vertebrae has three surfaces, a base and an apex. The body of the first segment is large and is similar to lumbar vertebra whereas the bodies of the next bones get progressively smaller, are flattened from the back, and curved to shape.
    The sacrum articulates with four other bones – iliac bones on either side, L5 above and coccyx below. It is tilted forward and curved with anterior concavity and posterior convexity allowing greater room for pelvic cavity. The curvature of sacrum varies in individuals.   This model shows also the clavicle, parts of ribs, sacroiliac joints and the symphysis pubis.   This 3D model was created from the file STS_040   The original CT examination can be reviewed at:

    43 downloads

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    0 comments

    Updated

  3. Free

    Whole Spine (Cervical-Dorsal-Lumbar-Sacral) - Bone model STL file from converted CT scan

    The cervical spine is the upper most spines forming the spinal column, extending from the skull base to the level of the thoracic vertebra (the spines with attached ribs). The cervical spines are usually seven and the main function is to support the skull and to protect the spinal cord.
    Apart from the first cervical vertebra (atlas) and the second vertebra (axis), the other vertebral bodies share a general anatomical appearance:
    Oval shaped vertebral bodies with wide vertebral arch, large vertebral foramina and long spinous processes.   The dorsal (thoracic) spine forms the middle portion of the vertebral column extending below the seventh cervical vertebra to above the first lumbar vertebra. The dorsal spine is formed by twelve vertebral bodies.
    The vertebrae forming the dorsal spine are unique in shape as they are the only vertebral bodies articulating with ribs.   The lumbar spine represents the mid-lower segment of the vertebral column and is composed of five adjacent vertebrae. They are convex anteriorly to form a lumbar lordosis. The lumbar spine facet joints allows limited movements and rotation. This model shows lumbar spondylo-degenerative changes manifested by marginal osteophytic lipping.   The sacrum is the lower most segment of the vertebral column and also forms the posterior wall of the bony pelvis. The sacrum is formed by five fused sacral vertebrae. The sacrum is formed by fusion of five sacral vertebrae has three surfaces, a base and an apex. The body of the first segment is large and is similar to lumbar vertebra whereas the bodies of the next bones get progressively smaller, are flattened from the back, and curved to shape. The sacrum articulates with four other bones – iliac bones on either side, L5 above and coccyx below. It is tilted forward and curved with anterior concavity and posterior convexity allowing greater room for pelvic cavity. The curvature of sacrum varies in individuals.   This model shows the sternum and sacro-iliac joints.   This 3D model was created from the file STS_037   The original CT examination can be reviewed at:

    7 downloads

       (0 reviews)

    0 comments

    Updated

  4. Free

    Whole body and L spine for tutorial NRRDs - processed

    3D Model of Lumbar spine. Anterior, Lateral, Oblique, axial and posterior views for tutorial NRRDs - processed

    3 downloads

       (0 reviews)

    0 comments

    Updated

  5. Free

    Whole body and L spine for tutorial NRRDs - processed

    Whole body and L spine for tutorial NRRDs - processed

    4 downloads

       (0 reviews)

    0 comments

    Updated

  6. Free

    vertebre - stl file processed

    vertebre - stl file processed

    4 downloads

       (0 reviews)

    0 comments

    Updated

  7. Free

    Vertebral column (Dorsal, Lumbar & Sacral spine) - STL file from converted CT scan

    The dorsal (thoracic) spine forms the middle portion of the vertebral column extending below the seventh cervical vertebra to above the first lumbar vertebra. The dorsal spine is formed by twelve vertebral bodies.
    The vertebrae forming the dorsal spine are unique in shape as they are the only vertebral bodies articulating with ribs.
     
    The lumbar spine represents the mid-lower segment of the vertebral column and is composed of five adjacent vertebrae. They are convex anteriorly to form a lumbar lordosis. The lumbar spine facet joints allows limited movements and rotation.
     
    The sacrum is the lower most segment of the vertebral column and also forms the posterior wall of the bony pelvis. The sacrum is formed by five fused sacral vertebrae.
     
    This model shows the origin of ribs, few of the cervical spines and the sacroiliac joint. The minimal tilt seen is likely positional rather that pathological.
     
    This 3D model was created from the file STS_036. The source CT scan used to create this model can be found here. 
     

    140 downloads

       (1 review)

    0 comments

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  8. $3.00

    Vertebra bifida

    Columna vertebral , Superior vertebral end plate, Inferior vertebral end plate, Intervertebral foramen, Spinous process, Transverse process, Intervertebral disk space, Superior articular process, Inferior articular process, body, spinous, process, transverse, bifid, spine, 3d, model, .stl, printable, printing, embodi, ribs, 

    0 purchases   0 downloads

       (0 reviews)

    0 comments

    Updated

  9. Free

    VeriBody Spine

    Grace's spine
    lumbar, spine, 3dmodel, stl, 

    32 downloads

       (0 reviews)

    0 comments

    Updated

  10. Free

    ut6152017 - stl file processed

    ut6152017 - stl file processed

    0 downloads

       (0 reviews)

    0 comments

    Updated

  11. Free

    ut6152017 - stl file processed

    ut6152017 - stl file processed

    4 downloads

       (0 reviews)

    0 comments

    Updated

  12. Free

    ut6152017 - stl file processed

    ut6152017 - stl file processed

    0 downloads

       (0 reviews)

    0 comments

    Updated

  13. Free

    ut6152017 - stl file processed

    ut6152017 - stl file processed

    2 downloads

       (0 reviews)

    0 comments

    Updated

  14. Free

    ut6152017 - stl file processed

    ut6152017 - stl file processed

    0 downloads

       (0 reviews)

    0 comments

    Updated

  15. Free

    UpperAbdomen5 - stl file processed

    UpperAbdomen5 - stl file processed
    bone, stl, 3dmodel, chest, ribs, stl,

    5 downloads

       (0 reviews)

    0 comments

    Updated

  16. Free

    UpperAbdomen5 - stl file processed

    UpperAbdomen5 - stl file processed
    3dmodel , stl, bone, pelvis, 3dmodel

    0 downloads

       (0 reviews)

    0 comments

    Updated

  17. Free

    Two lumbar vertebrae

    This is an STL file of two lumbar vertebrae from a CT scan. The STL file is raw and has not been edited to remove extraneous geometry. Since the CT scan it was taken from had IV contrast, the lumbar arteries are visualized and can be seen wrapping around the vertebral bodies.

    35 downloads

       (0 reviews)

    0 comments

    Updated

  18. Free

    Tutorial Body CT and Lumbar spine - processed

    Tutorial Body CT and Lumbar spine - processed

    7 downloads

       (0 reviews)

    0 comments

    Updated

  19. Free

    Tu Th9 - processed

    Tu Th9 - processed

    2 downloads

       (0 reviews)

    0 comments

    Updated

  20. Free

    trying 2 - stl file processed

    trying 2 - stl file processed

    This file was created with democratiz3D. Automatically create 3D printable models from CT scans. Learn more.
     
    bone, stl, 3dmodel, ct scan, right, hip, pelvis, iliac, crest, femur, head, trochanter, greater, sacrum, pubic, ramus, obturador, foramen, ischion

    3 downloads

       (0 reviews)

    0 comments

    Updated

  21. $9.99

    Total spine, cervical, thoracic, and lumbar

    This is a 3D printable STL model of the entire spinal column, including cervical, thoracic, and lumbar regions derived from a CT scan.
    STS_003. This model was created using the democratiz3D service.

    0 purchases   0 downloads

       (0 reviews)

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    Updated

  22. Free

    Tornozelo - stl file processed

    Tornozelo - stl file processed

    Have embodi3D 3D print this model for you. This file was created with democratiz3D. Automatically create 3D printable models from CT scans.
     
    Sacroiliac joint,  Anterior superior iliac spine, Sacrum, Anterior inferior iliac spine,  Roof of the acetabulum, Acetabular convexity (promontory), Spine of the ischium,  Anterior acetabular rim, floor of the acetabulum, Posterior acetabular rim,  Fovea of the femoral head,  Femoral head,  Ilioischial line,  Greater trochanter, Femoral neck,  Superior pubic ramus,  Obturator foramen,  Ischial tuberosity,  Lesser trochanter, Femur, 3d, model,. stl, printable, bone, hip, lower, limb, Tarsometatarsal joint (Lisfranc’s joint),  Medial cuneiform,  Middle cuneiform,  Lateral cuneiform,  Intertarsal joint,  Base of the fifth metatarsal,  Navicular,  Cuboid,  Talocalcaneonavicular joint,  Transverse tarsal joint (Chopart’s joint), calcaneus, printable, lower, limb, foot, fibula, tibia, ankle, coccyx, sacral,

    2 downloads

       (0 reviews)

    0 comments

    Updated

  23. Free

    Tornozelo - stl file processed

    Tornozelo - stl file processed

    Have embodi3D 3D print this model for you. This file was created with democratiz3D. Automatically create 3D printable models from CT scans.
     
    Sacroiliac joint,  Anterior superior iliac spine, Sacrum, Anterior inferior iliac spine,  Roof of the acetabulum, Acetabular convexity (promontory), Spine of the ischium,  Anterior acetabular rim, floor of the acetabulum, Posterior acetabular rim,  Fovea of the femoral head,  Femoral head,  Ilioischial line,  Greater trochanter, Femoral neck,  Superior pubic ramus,  Obturator foramen,  Ischial tuberosity,  Lesser trochanter, Femur, 3d, model,. stl, printable, bone, hip, lower, limb, Tarsometatarsal joint (Lisfranc’s joint),  Medial cuneiform,  Middle cuneiform,  Lateral cuneiform,  Intertarsal joint,  Base of the fifth metatarsal,  Navicular,  Cuboid,  Talocalcaneonavicular joint,  Transverse tarsal joint (Chopart’s joint), calcaneus, printable, lower, limb, foot, fibula, tibia, ankle, coccyx, sacral,

    3 downloads

       (0 reviews)

    0 comments

    Updated

  24. Free

    Thoracic Vertebra

    A thoracic vertebra generated by using the contouring tools in 3DSlicer and smoothed in Blender.

    97 downloads

       (1 review)

    1 comment

    Updated

  25. Free

    Thoracic spine, a 3D-printable medical file of its normal anatomy converted from a CT scan DICOM dataset

    Thoracic vertebrae compose the middle portion of the vertebral column. They are 12 in number and their size is intermediate between the cervical and the lumbar spine. They increase gradually in size as we go down the vertebral column. They are characterized by the presence of facets for articulation with the corresponding ribs and they are of limited flexibility compared to the cervical and the lumbar regions, they also have thinner intervetebral discs and a narrower spinal canal. This is a 3D printable medical file converted from a CT scan DICOM dataset

    74 downloads

       (0 reviews)

    0 comments

    Updated

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  • Recent Forum Posts

    • Hi Mike - starting with Cone beam CT files.  Will play with Hounsfield settings next time.  For this particular case I learned enough on Slicer and Meshmixer to get the job done. 
    • You are diving into the deep topic of medical imaging scans for 3D printing. I wrote a blog article on how to get the most out of your scan here. Take a look as it is very helpful.   3mm is not bad for a CT scan for 3D printing.  In order to understand why the radiology department created 3 mm slices, you need to understand how CT scans work. Modern CT scanners do not acquire data in slices. Rather, the acquisition is helical. The patient moves in the scanner on the Z axis at a fixed speed, while the x-ray tube spins around that axis during acquisition. As a result, relative to the body, the x-ray tube moves around like a helix, i.e. corkscrew. The raw data from this acquisition is stored in memory in the CT scanner. It is then reconstructed into flat slices that can be of any thickness anywhere from 0.5 mm to 5 mm.   Thinner slices are not always better however. There is a fixed number of x-ray photons that were acquired during the scan. When the slices are created after the fact, the data that those photons created is spread among the slices. If you have a lot of very thin slices then there are few photons per slice. Just like with a handheld camera when you shoot in low light, having a low number of photons results in a grainy image. The exact same things happen with a CT scanner. Thin slices tend to be very grainy and it can be difficult to detect abnormalities when the image quality is poor. Thicker slices on the other hand are fewer in number and have more photons per slice and thus are less grainy. Think of a nice photograph from a handheld camera on a bright sunny day. There are so many photons to make the image, the image is crystal clear. Thicker slices, while giving a higher quality image, are also thicker, and very small structures are harder to see.   Therefore, if you had a CT scan and reconstructed 0.5 mm slices, those images would be much grainier and of lower quality than if you had reconstructed with 5 mm slices. When the scan is being taken the radiologist determines what slice thickness is the best for diagnosing the problem at hand. If you're getting a CT scan of the abdomen for appendicitis, you will get 5 mm slices. If you have a problem with your middle tier and are getting a CT scan of the mastoid, you'll probably get 0.5 mm slices.   It should be noted that the raw data from the scan acquisition takes up a lot of memory. While the reconstructed slices are saved in the hospitals radiology system, the raw data from the scan is stored on the physical scanner itself. Typically after a few days that data is purged to make room for new scan data. So, after a few days it is not possible to generate any new slices from the scan, as the raw data has been purged.   My guess is that 3 mm slices is as good as you are ever going to be able to get from your scan. To reduce the stairstep artifact, run a smoothing algorithm on your model. This should reduce that appearance.   I hope this helps   Dr. Mike    
    • 1) Nothing in this forum should be considered medical advice. 2) The scan shows some extent of pectus excavatum. Heart is a bit displaced as a result. 3)  Evaluation of the heart itself is poor because the scan was not protocoled to examine the heart (i.e. no ECG gating). My guess is they were looking for PE, and there is no obvious one.   Good luck
    • If you increase the threshold value (150->250 Hounsfield units), that will tend to include less bone in the model. If decrease it, more bone will be included.    Just want to check -- are you starting with a CT or an MRI. CTs work better.   Hope this helps.   Dr. Mike
    • I use 3D slicer and the segmentation module. It takes a little time to get familiar with the tools, but they can be pretty powerful.   I just did this kidney yesterday, including the kidney tissue, renal collecting system, artery and vein.    FYI, we are building the ability to automatically segment organs into democratiz3D. Right now it only supports creation of bone models, but in the future auto segmentation of organs will be a feature.    Hope this helps,   Dr. Mike
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