Internal Osteosythesis TRIZ Cases

An articulating revision connector assembly attaches new spinal rods to existing constructs without removing original hardware.

Merging multiple bone plates into a single structure with a connecting strut improves surgeon control and reduces injury risks during craniotomy procedures.

A hybrid fixation system links an intramedullary nail to an external fixator via angle-stable transverse connectors.

Mold pressure embeds bioresorbable granules into spinal implant surfaces, resolving migration stability without complicating insertion.

Segmented prosthetic components adapt to unique patient anatomy, restoring biomechanical function while relieving nerve compression.

Dual shafts convert rotation into linear force to secure spinal implants, resolving stability versus operational ease.

Intramedullary nail with intersecting inclined bore axes avoids soft tissue damage and ensures universal bone compatibility.

Telescoping tubes adjust length in situ, eliminating inventory complexity for multiple fixed-length access ports.

Flexible mesh implant resolves stress shielding by transmitting compressive forces across the fracture site, improving union rates.

A tap marker self-drills into bone to create precise threaded openings for subsequent screw insertion.

An angled intramedullary bone nail stabilizes fractures while preserving blood flow to the injury site.

A polyaxial screw-rod construct enables flexible angulation for stable occipital-cervical fixation.

A dynamic stabilization assembly resolves the stability versus range of motion contradiction by allowing controlled angular movement between vertebrae.

A porous spinal implant promotes nutrient migration between vertebral bodies to facilitate fusion.

A percutaneous rod-to-rod cross connector uses a split-orbital head mechanism to align and attach spinal fixation rods independently.

A cervical vertebrae fixing plate employs a pinion driver to actuate opening and closing members, preventing screw loosening while enabling easy removal.

A moveable jaw pivots within a connector body to form a closed rod slot around an implant.

A uniplanar clamp hinge with locking screws stabilizes spinal rods during surgical correction.

A hydraulic growing rod uses a micropump to pressurize fluid into an internal chamber, extending the implant length.

Monoaxial rib head screws secure longitudinal rods with set screws, providing enhanced fixation reliability for fractures adjacent to the rib head.

Segmented driver and navigation components resolve size constraints, enabling accurate spinal implant alignment through robotic end effectors.

Angled thread flanks and a 45 percent crest thickness disperse loads on spinal set screws, preventing receiver arm splaying under excessive force.

Deflectable wings made from superelastic materials guide balloon inflation in kyphoplasty, preventing plastic deformation and rolling under high pressure.

A headless compression screw uses variable pitch threads to correlate torsional force with bone fragment compression.

A cylindrical beam implant with threaded shells spans the intervertebral disk space to provide structural support.

Spinal bridge assemblies link adjacent vertebrae through slotted locking pockets, providing stability during decompression procedures.

Nested driver and actuator enable single-handed spinal fixation, reducing incision size and patient trauma.

A screw-driven intervertebral spacer expands its height intraoperatively, correcting spinal alignment without requiring complex pre-surgical planning.

A cannula-mounted approximating device translates misaligned vertebrae laterally to couple with spinal rods.

Segmented plates and dynamic spacer stabilize spinous processes while reducing device complexity.

A dorsal connector uses compressible passages and split rings to secure spinal rods for precise vertebral stabilization.

Meshing gears pivot retractor blades to enhance visualization while minimizing tissue stress during spinal procedures.

A moveable rod within a longitudinal sleeve transmits force to the head of a polyaxial bone screw.

A surgical device uses a ratchet mechanism to permit relative rotation of adjacent vertebrae for progressive spinal correction.

A spinal cross connector assembly uses sliding members and a single fastener to lock rods in place.

Flexible wall sections in the receiving part concentrate clamping force at distinct pressure areas, preventing accidental head removal during surgery.

Combining intramedullary nails with external fixators stabilizes supracondylar fractures while reducing soft tissue irritation.

A multi-cap removing instrument captures and holds spinal implant guide caps during minimally invasive procedures.

Liquefied thermoplastic penetrates osteoporotic bone trabeculae, solidifying to distribute load and resolve stability trade-offs.

Curved cannula assembly creates a stable access portal through sequential dilation, reducing operating time and vascular injury risk.

Porous PTFE spacers prevent periosteum necrosis and osteoporosis by maintaining undisturbed blood supply beneath locking plates.

A spinal stabilization device uses rigid connecting means with sliding assemblies to impose predetermined guiding trajectories on vertebral assemblies.

A bone anchor coupling device transforms a deformable pressure member into a toggle lever, reducing force loss during sequential locking.

A drill targeting device aligns guide pins through spinal fusion cages without X-ray guidance.

A reduction tool uses a rotatable sleeve to advance an inner tube through an outer tube for spinal rod insertion.

Grooved threaded implant stabilizes joints through small incisions, preventing open sores and discomfort.

A bone joining device uses a bendable connector and spring collet to secure male and female components for precise angular alignment.

Multi-axial spinal screws rotate relative to longitudinal rods to derotate vertebral bodies, addressing limited correction precision in complex deformities.

Movable segments accommodate spinal subsidence while inserts prevent screw backout.

Heated bioresorbable polymer flows through a cannula to create strong bone fasteners, reducing thermal necrosis risk and surgeon fatigue.