Internal Osteosythesis TRIZ Cases

Segmented attachment sections secure a spinal plate and cage simultaneously, eliminating repeated tool removal during surgery.

An adjustable compression and distraction fulcrum with a lock mechanism positions screw extenders.

An implant device produces vibrational massage directly to internal body tissue using a bone-conduction mechanism.

An elongate frame with transverse angle indicators captures polyaxial screw orientation during spinal procedures.

Internal spring damping reduces axial micromotion and loosening by absorbing impact forces within the hollow stem cavity.

A spinal bone displacement device uses pivotal adjustment mechanisms to position engagement elements for precise vertebral manipulation.

Vernier-bolt mechanism enables precise axial adjustments during trial phase, reducing time spent on multiple trial implants.

A rod insertion device uses a spring-loaded blocking element to secure fixation rods during pedicle screw procedures.

Pre-assembled components reduce surgical time and assembly errors while maintaining anatomical adaptability for stable bone fragment fixation.

Segmented cutters on cylindrical shells and shafts resist pull-out forces, preventing screw backout in occipitopelvic fusion constructs.

A torsional ultrasonic access port softens rigid plastics implants to enable precise extraction through a medullary cavity.

Embedded coils and magnetic sensors provide real-time feedback for precise landmark identification.

Movable saddle in polyaxial tulip attachment reduces insertion stress and simplifies spinal fixation.

Flexible nail section bends to create friction within the intramedullary canal while an extramedullary clamp secures the bone fragment.

A surgical implant uses rotating protrusions to translate and distract a facet joint for subsequent stabilization.

Segmentation separates the fragile bifurcated tip from the reusable drive shaft, resolving the stability-strength trade-off in confined surgical spaces.

Deflectable distal tips enable precise bone cement placement in vertebral bodies, reducing migration risks during vertebroplasty procedures.

A femoral drill guide uses a cam mechanism to adjust engagement members for precise bone surface preparation.

A gas-permeable expandable spacer maintains mechanical stability while enabling active gas exchange to promote tissue healing.

A cervical spine delivery device anchors and advances spinal fixation members within the disc space.

A curved plate anchoring device with a longitudinal rib stabilizes intervertebral implants within the disc space.

Porous circumferential collars enable bone ingrowth, bypassing weak cancellous bone to improve stability and reduce loosening risks.

A flexible anchoring member traverses a spacer's curved bore to secure spinal structures along non-linear trajectories.

A guide mechanism mediates between manual manipulation and precise positioning, resolving the trade-off between device complexity and alignment accuracy.

A spinal connector guides axial force through a transverse rod to clamp support rods.

Sliding collars and spherical anchors limit proximal motion to prevent tissue trauma while enabling angle adjustment.

A spinal anchor device uses a wave spring to hold a yoke in position relative to a fastener head, resolving multi-axial fixation complexity.

Segmented endoprosthesis design prevents adjacent segment degeneration by mimicking natural disc biomechanics without mechanical hinges.

Robotic bending system aligns rods with screw heads to reduce manual skill requirements and prevent rod damage.

Elastic support wedge distributes stress to adjacent vertebrae, preventing deterioration from overcompensation.

A socket with a keyed entrance and frustoconical lead-in guides surgical tools for secure implant engagement.