Joint Implants TRIZ Cases

A bone implant handling instrument uses a guide assembly to maintain implant orientation during insertion.

Segmented acetabular cup recesses increase ceramic bearing contact area to prevent breakage while maintaining structural strength.

Templates and guides align asymmetric femoral prostheses to resolve surgeon handling flexibility versus bone preparation precision.

A trial tibial insert features an adjustable posterior stabilizing post that locks at specific anterior or posterior positions along the base.

A polybearing artificial sacroiliac joint restores limited movement between the sacrum and ilium.

Segmentation of the femoral head centering jig allows one-handed operation, eliminating mid-lateral cortex exposure and reducing pin retention risks.

Pre-assembled liner and flange construct eliminates cage thickness to increase femoral head size while maintaining direct bone coupling stability.

Stacked leveling plates with non-flat surfaces distribute compressive loads evenly across vertebrae, resolving stability issues in traumatized spinal segments.

An inserter joins the distal end of a spinal cage to reduce local stresses during insertion, enabling a larger interior chamber for tissue ingrowth.

A modular coupling adapter enables independent adjustment of radial offset, inclination angle, and version in a humeral prosthesis.

Cable tensioning expands an accordion-like interbody fusion cage, reducing incision size and muscle trauma during minimally invasive spinal procedures.

Segmented inflatable balloon restores vertebral spacing via independent chamber inflation, preventing adjacent disc overload.

An expandable fusion device utilizes moveable endplates that transition between collapsed and expanded configurations to accommodate varying intervertebral disc heights.

A bone graft injector uses a side loading aperture and movable cannula to position the device before dispensing material through a distal injection port.

Replacing threaded fasteners with a temporary magnetic connection eliminates reassembly errors and reduces surgery time during reverse shoulder arthroplasty.

Segmented fluid outlets deliver adjustable sterile water streams, reducing waste and preventing microbial backflow in allograft processing.

Compressible expandable mesh anchors orthopedic implants by expanding radially to engage surrounding bone tissue.

A moldable resorbable hip implant features a honeycomb structure to retain therapeutic materials and provide temporary structural support.

Segmented cutting elements partially separate the prosthesis-bone interface to minimize bone material loss during extraction.