Hip and Pelvis Model

Description

This display model of the right hemipelvis and femur uses an adjustable ball and socket joint to allow for movement and repositioning of the femoral head in the acetabulum. The model could be used to demonstrate hip replacement prosthesis, or just as an interesting conversation piece! See here for assembly video: https://youtu.be/LXJVoEX21ZA The model is supported on the stand using a 6” long section of ¼” square keystock. The keystock inserts through the ischial tuberosity and is held in place with an anchor inside the pelvis. The anchor is designed as a separate shell and so could be removed digitally before printing if not needed. Printing: Print the “Acetabular Cup” and “Collar” as provided so that the threads are oriented upwards. Changing the orientation may result in malformed threads. The “Femoral Head” and “Proximal Femur” should also be oriented as provided to ensure that the connecting surfaces print properly with the correct tolerance. The “Right Hemipelvis” is oriented to minimize amount of support needed, but you might find an orientation that works better for your setup. The “Right Hemipelvis” and “Proximal Femur” will need supports. The “Stand” is a standard print. Assembly: If using the stand, ensure that the keystock inserts cleanly through the hole in the ischial tuberosity and is properly seated in the inner anchor. Clean up right surfaces as needed. Glue the “Acetabular Cup” into the large hole in the “Right Hemipelvis”. Ensure that it is seated securely and evenly. CA glue works well. Thread the “Collar” over the “Femoral Head” and insert the “Femoral Head” into the “Proximal Femur.” That tolerance is tight enough here that it will hold on its own, but you can add a bit of glue for a permanent connection. Insert the “Femoral Head” into the “Acetabular Cup” and tighten the “Collar” into place. The collar can be loosened and retightened to move and hold the femur in different positions. If using the stand, insert the keystock and place on the stand and you’re done! Credit for the original design idea for this project goes to Thingiverse user “marc_aka_nova” at https://www.thingiverse.com/marc_aka_nova/designs . Here are more of my anatomical designs you might enjoy: Novelty: Wearable Spine: https://www.thingiverse.com/thing:4982223 Skull Jewelry Set: https://www.thingiverse.com/thing:4980129 Happy Halloween Spine: https://www.thingiverse.com/thing:4979522 Eyeball Windchime: https://www.thingiverse.com/thing:4978632 Fingerbone Windchime: https://www.thingiverse.com/thing:4962956 Skull Windchime: https://www.thingiverse.com/thing:4962814 Creepy Custom Embossed Spine: https://www.thingiverse.com/thing:4916377 Mini Articulating Spine Keychain: https://www.thingiverse.com/thing:4891846 Big Bowl O’ Back Bones: https://www.thingiverse.com/thing:4881377 Vertebral Stacking Blocks: https://www.thingiverse.com/thing:4868387 Anatomically Correct Voronoi Heart: https://www.thingiverse.com/thing:4636146 Vertebrae with Secret Compartment: https://www.thingiverse.com/thing:4633188 Brain Puzzle: https://www.thingiverse.com/thing:4158232 Anatomical Heart Puzzle: https://www.thingiverse.com/thing:4146688 Educational: 6-Piece Magnetic Female Pelvis Model: https://www.thingiverse.com/thing:4946668 Fryette’s Laws Teaching Tool: https://www.thingiverse.com/thing:4887712 Hip and Pelvis Model: https://www.thingiverse.com/thing:4875641 Flexible Three-Quarter Spine Model with Display Stand: https://www.thingiverse.com/thing:4863003 Full Size Anatomically Correct Human Foot Model: https://www.thingiverse.com/thing:4849504 Full Size Anatomically Correct Human Hand Model: https://www.thingiverse.com/thing:4841107 Full Size Anatomically-Correct 18-Piece Magnetic Human Skull Model: https://www.thingiverse.com/thing:4830026 Full-sized Anatomically Correct Articulating Spine: https://www.thingiverse.com/thing:4801717 Articulating Lumbar Vertebrae: https://www.thingiverse.com/thing:4637241

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