Internal Osteosythesis TRIZ Cases

A unitary bone implant combines a wire component with a base to anchor bone fragments securely.

Oblique nail openings allow multi-planar screw placement to prevent femoral neck collapse and migration.

An insulated endoscopic fusion system uses real-time nerve proximity detection to prevent injury during minimally invasive disc space access.

Torque-proof support and axial movability in the surgical instrument enable easy screw tightening, resolving minimal invasive spinal stabilization difficulties.

A reversible bone coupling device uses a locking mechanism to join elongated stem portions inserted into bone pieces.

Segmented rod reduction instruments use ratchet dynamics to align bulky spinal fixation rods into anchors.

Hinge-pivotable deployment plates on a spinal fixation device prevent misalignment caused by irregular vertebrae surfaces.

Injecting a composite of microparticles and hyaluronic acid into the nucleus pulposus restores structural integrity to prevent recurrent herniations.

Adjustable crosslinking rods and segmented pedicle screws accommodate varying interpedicular distances while minimizing damage to lumbar nerve roots.

Sensor-based alignment device replaces mechanical gauges with electronic detection to verify femur-tibia axis accuracy, preventing prosthesis instability.

Linkage-connected movable arms adjust compression in sagittal planes to resolve limited adjustability in spinal fixation.

A flexible textile sleeve guides surgical instrumentation to a bone screw while conforming to soft tissue contours.

Threaded bone fasteners anchor a U-shaped implant to spinous processes, preventing migration and promoting spinal fusion.

A bone stent uses flexible cables to laterally bend elongated members for secure internal fixation.

Variable thickness tuberosity components increase deltoid moment arms to restore muscle function and resolve instability in reverse shoulder arthroplasty.

A porous titanium sacroiliac joint implant promotes bone ingrowth through its three-dimensional structure.

A cervical plate assembly uses spring-loaded blocking mechanisms to retain bone screws securely within angled seats.

A bone plate system uses a surgical cable and locking device to secure bone portions through tensioned fixation.

Segmented anchor insertion and self-aligning connecting elements reduce tissue damage while maintaining vertebral alignment reliability.

Segmented extensions enable percutaneous delivery of the implant, reducing tissue trauma and recovery time while maintaining reliable vertebral fixation.

A cervical plate system uses a rotating element with threaded holes to secure bone screws within the implant structure.

Adjustable bilateral spinal rods stabilize vertebrae to prevent disc collapse and maintain intervertebral cushioning during healing.

Deformable tabs on a clamping nut engage a groove in the fixation pin, preventing migration and enhancing stability during bone fracture reduction.

An ultrasonic sonotrode features a localized cross-section increase at the most distal node to minimize radial clearance and friction against a guide shaft.

Flexible tethers apply tension to correct spinal curvature gradually, avoiding fatigue failure from rigid load transfer and reducing surgical invasiveness.

Segmented implant connects prosthetic shafts via a rigid coupling piece to distribute load along the femoral canal.

Flexible end regions on the fixation collar allow elastic deformation during assembly, preventing screw back-out while maintaining structural integrity.

A screw actuator translates rotation into axial jaw movement, accommodating varying pedicle and lamina dimensions to ensure precise surgical stabilization.

Segmented spinal support rods use non-circular proximal ends and circular distal sections to maintain torsional alignment despite cross-section variations.

A hybrid bone plate and intramedullary nail system uses pre-loaded drill guides to enable dynamic compression and secure fixation of proximal humerus fractures.

Flexible tether connects bone fastener to rod head, reducing stress concentration at screw-bone interface while maintaining spinal stability.

A bone screw incorporates a porous compression ring that enhances fixation strength and bony integration by resolving manufacturing complexity trade-offs.

A cannulated extension attaches to pedicle screws to permit percutaneous implantation and guide rod insertion.

A uniplanar screw system with a housing and seating element supports rod placement within a spinal stabilization assembly.

A swellable polymeric implant expands between spinous processes to maintain alignment and stability.

An expandable laminoplasty implant uses an actuator to adjust its volume in situ for precise spinal canal expansion.

Reinforcing implants with offset side surfaces and rearward extensions restore vertebral mechanical stability after laminectomy.

Spinal clips deploy via torque or expansion to clamp spinous processes, creating decompression space while minimizing tissue disruption.

Drivable clamp assemblies translate along a threaded beam element, resolving cumbersome setup times for small bone fixation.

Replacing manual leverage, this instrument drives a translating anvil via a rotating inner sleeve to reduce force and improve precision.

A guard device guides bone division during laminar osteotomy to create spinal canal space.

Nested telescopic shafts and a high gear ratio generate sufficient distraction force within a compact implantable volume.

Segmented rod pathways and intermediary retainers resolve tool access versus wear trade-offs in polyaxial spinal anchors.

Top-accessible screw thread adjustment moves vertebral connectors within the housing, resolving spatial positioning constraints without complex external tools.

A spinous process plate and laminar plate coupled to a rod stabilize the pars interarticularis fracture.

A spinal fixation instrument employs a dynamically adjustable rib support to disperse load efficiently while enabling minimally invasive engagement.

Segmented components enable easy assembly of bone stabilization constructs, reducing tissue trauma and inventory costs.

A facet screw with a removable head and locking nut enables continuous compression during spinal fixation.