Internal Osteosythesis TRIZ Cases

Independent bone fixation elements bridge anatomical bodies via hardenable material, resolving plate geometry constraints.

A surgical guide system with profiled contact surfaces locates acetabular and femoral anatomical landmarks to position fasteners accurately.

Polyaxial fastener locking mechanisms enable orthopedic augments to maintain secure bone fixation across varied anatomical orientations.

A medical spacer uses an internal actuator to rotate arms from a compact shape into a deployed state.

Distinct fasteners secure a ligature and rod independently, eliminating simultaneous tension requirements during spinal fixation.

A rib plate with a curved anterior portion aligns via a suture pulled through bores, reducing tissue aggravation during posterior placement.

Movable engagement members extend through apertures to anchor within cancellous bone.

A multi-part surgical guide device centers the phalange using inflatable cushions and a friction fit to stabilize the bone during orthopedic procedures.

A vertebral surgery instrument uses separated guide parts to form a communication passage for fixation rod insertion.

Segmented fenestrations and dynamic occluders enable precise, real-time customization of delivery location and amount within bone tissue.

A spinal delivery instrument uses a threaded drive shaft to advance multiple implants sequentially through a distal bore without reloading.

A composite longitudinal member with a metal core and plastic outer layer resolves creep and bending trade-offs in dynamic bone stabilization systems.

Flange gaps hold bone growth material to resolve fusion reliability and mechanical strength contradictions.

Segmented bone screws with helical depressions collect cut bone pieces to maximize ilium and sacrum contact area for stable fusion.

An injectable composite implant stabilizes bone fractures internally, eliminating external casts and preserving patient mobility during healing.

Dynamic spine stabilizers permit controlled vertebral motion to prevent disk unloading and accelerate bone fusion, addressing rigid stabilization limitations.

A moldable polymer cushion transitions from malleable to retained shape to create a custom fit between medical implants and bone.

A bone anchor uses an inclined insertion hole and a locking device to secure pin-shaped elements within the structure.

Self-aligning distal fixation eliminates external guide reliance, reducing radiological exposure while ensuring precise alignment.

An expandable bone plate assembly uses slidably attached portions and a locking mechanism to secure adjacent vertebrae during spinal surgery.

A bone screw blocking element features a circumferential wedge-shaped surface that engages the plate from below to enable variable-angle fixation.

Integrated force sensors measure applied loads during rod reduction, preventing pedicle screw breakage by maintaining safe force thresholds.

A bone fastener assembly uses a pivoting fastener seat with spherical surfaces to enable angular adjustment of the connecting member.

Spherical rod clamps pivot relative to tightening screws, distributing radial forces to reduce undesirable stresses on curved spines.

Stacked modular bone augment parts integrate with intramedullary implants to replace voids in bone tissue.

Pre-assembling the lock screw through a lateral opening prevents accidental extraction and reduces surgical workload during spinal fixation.

An expandable balloon catheter maintains hip joint distraction internally, reducing tissue trauma and extending surgical access duration.

An expandable intervertebral implant uses a spacer with recess and protrusion features to maintain separation distance between vertebrae.

A clip with fingers controls loop spacing in interlaced wire implants to prevent bone cavity collapse.

A bridge-linked implant stabilizes the sacroiliac joint while fluoroscopic guidance minimizes leakage risks during accurate pain source diagnosis.

An integrated intramedullary implant uses deployable talons to secure bone alignment during fusion procedures.

A telescoping spinal rod extends its length using a rotating magnetic field after sub-fascial insertion.

End arms delimit a trochanter receiving recess to fit the greater trochanter, avoiding lateral pressure discomfort from prior art devices.

Expandable retainer captures shank upper portion to resolve rotational alignment trade-offs in spinal fixation.

Nested armatures and pivotable bushings enable converging screw trajectories to reduce plate footprint while maintaining fixation stability.

A transpedicular access system creates a linear pathway through the vertebral pedicle to reach the intervertebral space for minimally invasive fusion procedures.

A computer vision system segments intra-operative images to detect elongated member extensions and generate precise trajectory data.

Segmented fixation devices reduce surgical trauma by enabling precise alignment of external plates around existing hip or knee implants.

Porous expanding device creates cavity for precise filler distribution, preventing balloon burst risks.

Segmented plates with an elastomeric member restore spinal articulation without invasive facet resection.

A bone fixation strap with a locking head secures sternal segments through a ratchet mechanism.

An expandable orthopedic screw separates threaded segments along a longitudinal axis to achieve controlled expansion.

A hip joint device inserts prosthetic surfaces through a pelvic bone hole to preserve the joint capsule.

Segmented bone screws navigate curved intramedullary canals without broad surgical exposure.

A flexible cerclage wire passer uses a flat surface to guide placement along bone contours.

Dynamic Nitinol implants adjust recoverable strain to maintain compressive loads, preventing rapid force dissipation during bone healing.

Pre-assembling the set screw and crown eliminates in-situ placement steps, reducing surgical time while maintaining stable vertebral alignment.

An automated bending system uses sensor feedback to position spinal implants accurately, resolving the trade-off between manual precision and operational speed.

A spinal rod assembly uses a gear rack and drive interface to extend the implant along the spine axis.