Internal Osteosythesis TRIZ Cases

A spinal plate employs a protruding ridge enclosing screw holes to provide structural stability, reducing patient discomfort from invasive screw placement.

Segmented components and a spring-loaded pressure element enable manual polyaxial screw assembly, reducing inventory costs and tool complexity.

A computer-based system generates tables and schematic diagrams to determine disc space parameters for prosthetic intervertebral discs.

A bone nail apparatus uses a light source unit and focalizing unit to localize through-holes.

A surgical depth instrument uses a pressure-sensitive strip and sensor to generate digital measurements of bone hole depths.

Integrating neurophysiologic testing with ultrasound imaging prevents neural damage during pedicle screw placement.

A tapered bone implant uses interference fit and suture loops for secure fixation.

A polyaxial spinal connector uses a translation member to align fixation rods.

A latch and actuator mechanism secures spinal implants to bone fasteners through locked and non-locked orientations.

Pivoting levers in a spinal rod reducer translate manual input to distal motion, seating rods while enabling disassembly for sterilization.

A drill bit features a distal portion made of softer material to pass through fixation device bores.

A robot-assisted surgical system applies insertion forces to instruments while monitoring load cell data for real-time position control.

A self-locking screwdriver uses a retractable stop and gripping wheel to lock the guide tube onto an orthopedic implant.

Stabilizer wedges spacer between vertebrae using compressive forces from bone screws to prevent graft shifting and screw loosening.

Triangular cross-sections resist phalanx rotation while porous coatings ensure stable osseointegration.

Segmented components and self-service locking mechanisms simplify surgical insertion, reducing operation time while ensuring stable fracture fixation.

Magnetically actuated fasteners allow noninvasive spinal rod tensioning, reducing surgical morbidity and psychosocial stress in scoliosis treatment.

Segmented components resolve the trade-off between manufacturing simplicity and anatomical adaptability through universal modular design.

Rotating a humeral nail inside the medullary canal aligns fracture fragments without damaging surrounding tissues.

A vertebral distractor arm features an internal locking mechanism that secures anchor pins within bores to prevent upward movement.

A constrained insertion method positions intervertebral disc prostheses with minimal vertebral distraction.

Segmented cam lock setscrews prevent bone screw backout in spine plates by engaging external teeth with screw tangs during rotation.

A magnetic screw device uses rare-earth magnets to exert forces that straighten the spine and maintain vertical alignment.

A cervical spine spacer incorporates a through-channel sized to accommodate fasteners at multiple angles for stable vertebral alignment.

Reinforcing members distribute closure forces across sternum portions to reduce bone contact and patient pain.

Remote magnetic actuator corrects spondylolisthesis by progressively moving the adjustment element, reducing surgical risk and pain.

A delivery device retains a compression plate in a strained condition using an elastic bridge member and compression clip system.

Segmented orthopedic screws with distinct proximal and distal thread structures enhance cortical purchase, while integrated sizing tools reduce procedural time.

A spine implant uses a porous osteoconductive coating to distribute loads across the vertebral endplates.

A spinal osteosynthesis device uses a movable fixation element to clamp bone anchors independently.

Nested anchor members within a tulip-shaped assembly reduce surgical profile while maintaining fixation security.

A detachable retraction blade maintains a small incision during minimally invasive spine surgery.

Flexible catheter with balloon occlusion prevents cement leakage while restoring spinal lordosis.

A fusion cage features a triangular screw plate and clamping device for stable positioning.

Segmented spinous process implants with deployable wings reduce surgical invasiveness while stabilizing vertebral segments for effective bone fusion.

Telescoping clamps move screws along implant slots to compress tibio-talar and subtalar joints internally, avoiding external trauma.

A spinal implant uses a cable and wheel arrangement to deploy locking wings from an interior cavity for fixation in the interspinous space.

Spring-loaded extension device couples bone anchor receiving parts via longitudinal compression force.

A tunneling system guides flexible elements through the spinal column to position implants anterior to the cord.

A rotatable anchoring member locks a surgical drill guide to a bone plate during spinal procedures.

Segmented lock and actuator bearings prevent cable unwinding while enabling controlled winding for consistent tensioning.

An intramedullary rod with a pivotable fastener reduces inventory complexity by replacing static angled screws with a single adjustable device.

Integrated gear assembly converts lever motion into precise implant bending, eliminating manual holding risks and improving surgical efficiency.

A photocurable polymeric resin system cures in situ via a light guide for bone fixation.

Z-shaped modular elements assemble into customizable lengths, accommodating varied bone shapes without invasive preparation.

Polymer-metal composite connecting element resists buckling while transmitting compressive loads through offset screw seats, simplifying implantation.

Textured locking hole engages threaded fastener head to prevent screw back-out in severely weakened bone structures.

A polyaxial bone anchor locking cap uses a preloaded set screw to clamp spinal rods with one tool.