Internal Osteosythesis TRIZ Cases

A pivotable cradle within a spinal screw body enables controlled angulation, preventing unwanted movement during vertebral rotation.

Temporary fixation screws anchor the coupling plate to vertebrae, preventing anterior or posterior spacer migration when patients rotate.

A tether clamp assembly secures orthopedic implants using a flexible band routed through a unitary housing.

Locking wings expand within the interspinous space to anchor the device, reducing invasiveness compared to open laminectomy.

Nested add-on connectors extend spinal fusion constructs without removing original screws, reducing surgical time and infection risks.

A condylar implant assembly uses a dilating member to expand bands through tube slots, providing structural support within the bone.

Pivotable rods align with iliac screws, and interdigitating geometric extensions resist torque to prevent joint weakness under high loads.

Camming elements convert insertion force to open packaging clip arms, preventing premature telescoping collapse of the trochanteric femoral nail.

A bone fixation connector uses a rotating cap and stationary hook to secure elongate members.

Segmented implants and articulated tools enable minimally invasive insertion, resolving bulkiness that hinders surgeon visualization.

Increasing thread volume along the shaft distracts the sacroiliac joint while minimizing damage to surrounding nerves and blood vessels.

An expandable interspinous fixation system uses nested ramps to adjust endplate height and lateral position.

Radial spring portions in a one-piece fork head allow distal insertion of large-diameter bone anchors while maintaining fixation strength in brittle bones.

A programmable screwdriver uses torque and rotation sensors to alert surgeons when to stop tightening screws during orthopedic fixation.

A cylindrical bone implant uses a localized anchorage area with surface structures to improve fixation stability.

A trajectory control sleeve guides bone cutting tools through vertebral bodies to create precise access channels for spinal repair.

A femur plate with anatomically pre-formed ends conforms to the trochanter and condyle regions for secure bone fastener attachment.

A bone treatment cannula system washes necrotic tissue to prepare the site for regenerative therapy.

Interlocking engagement features between the expandable cage and plate ensure uniform expansion, resolving installation difficulties while preventing collapse.

A flexible spine fixing structure uses deformable elements to maintain vertebral movement after surgical implantation.

Segmenting the bone anchor and head reduces the initial footprint, improving anatomical spatial awareness during minimally invasive spinal procedures.

Placing strain gauges within filament-wound orthopaedic composites maintains mechanical strength while detecting biomechanical forces.

A modular polyaxial bone screw separates the threaded screw from the tulip assembly to enable independent placement.

A spinal plate uses a rotation device to adjust end body angles for precise vertebral attachment.

Segmenting the assembly into detachable components allows length variation while simplifying cleaning and reducing infection risks.

A surgical nail employs a tapered insert to eliminate clearance between the locking screw and transverse bore, preventing bone fragment movement.

Vertebral anchors with upwardly open channels receive flexible cords and annular spacers via percutaneous access tools for minimally invasive procedures.

An expandable mesh cage anchors fractured bones by expanding inside the bone cavity to create a secure implantation region.

Bendable implant plate hinges open the cervical vertebra without drilling, preserving bone integrity and reducing nerve pressure.

A percutaneous vertebral osteosynthesis assembly uses side-loading connecting pieces and tubular handling instruments for precise placement.

A separate nub component between the plate and cage acts as a stop against anterior-posterior pivoting, ensuring even contact with vertebral sidewalls.

Segmented spine stabilization rod reduces strain on adjacent segments while maintaining fixation stability.

Integrating locking nubs into the receiver wall eliminates separate parts, resolving the trade-off between screw stability and device complexity.

Motor-driven external magnet rotates to actuate implanted magnets, resolving cumbersome manual adjustments in scoliosis distraction osteogenesis.

A surgical instrument uses pivotally interconnected members and a threaded guide to advance rods into bone anchors, resolving insufficient reduction precision.

A spinal arthrodesis system combines intersomatic, interspinous, and facet implants to immobilize vertebral stability axes through segmented anchoring.

Segmented guides and merged tool assemblies orient instruments along defined paths to correct spinal deformities without increasing operational complexity.

A spinal stabilization device uses a plug to transition a collet between diameters for rod securement.

Segmented stem components allow adjustable neck-shaft angles for young active patients, reducing dislocation risks.

Calculating neuraxial stress guides targeted fusion techniques that alleviate brainstem deformative stress while reducing surgical morbidity.

A textile-based spinal plate uses interwoven filaments to create a porous lattice structure that supports tissue ingrowth.

Single tool integration simplifies skull fixing device operations while integrated drain channels prevent fluid accumulation.

Replacing screws with thermoplastic anchoring material distributes force across cancellous bone, preventing loosening in weakened vertebral bodies.

Pivotable ring locks head to body for precise correction transmission while easing connecting bar engagement.

Segmented tensioner and counter tensioner modules enable one-handed operation while a visual indicator displays real-time cord load.

A spinal instrument merges retraction and distraction functions into one frame with sliding arms.

Combining a bone plate with an intramedullary nail prevents humeral head collapse during healing while allowing flexible fastener placement.

A flash tube reactor mixes oxygen and iron particulates with arsenic gas to form stable solid iron arsenates.

A spinal clamp uses a slotted interface and lever mechanism to secure cross-connecting rods with enhanced adjustability.