Internal Osteosythesis TRIZ Cases

Coarse powders and excessive binder content enable rapid debinding without bloating, producing dense parts comparable to wrought materials.

A cannulated bone anchor features a distal shaft with multiple threaded sections of varying diameters and tapers.

A pre-contoured tibial plateau leveling osteotomy plate features machined screw holes that define targeted screw paths for secure fixation.

A porous rigid component anchors between tibia and talus bones to promote osteointegration.

A conductive stylet transmits electrical current through bone to detect pedicle wall breaches during spinal surgery.

A spine surgery assistant robot uses a linear guide and rotating body to move surgical tools forward and backward with uniform force.

Segmented supporters pivot via a central pin to expand spinous spacing while preserving spinal ligaments and reducing surgical trauma.

A bone anchor insert uses a locking ring to secure pivotable heads, resolving alignment complexity during rod insertion.

A nested surgical instrument with a rotatable inner shaft delivers bone fasteners to the sacroiliac joint.

A spinal implant uses a rotatable wing and actuator assembly to deploy laterally within the interspinous space.

Physical 3D rod models replace complex navigation systems, reducing radiation exposure during scoliosis surgery.

Tapered slider arms enable smooth epidural insertion to minimize dural disconnection and bleeding risks during craniotomy fixation.

Deformable tab applies preload to wedge bushing, increasing frictional force to stabilize polyaxial bone screw assembly during spinal rod insertion.

Segmented incisions and inverted attachment mechanisms reduce soft tissue stripping while maintaining accurate alignment of distal screw holes.

A variable angle connection assembly accommodates angular and positional variations in spinal implants using a rotatable receiving member.

Segmented threading on the screw shaft protects nerve roots from damage while maintaining strong bone fixation.

An autoclavable electromagnetic field generator locates orthopedic implant landmarks using magnetic induction, eliminating fluoroscopy radiation exposure.

Segmented connectors anchor screws while dynamic damping limits adjacent level deterioration by reducing stress on fixation points.

An expandable bone fastener adjusts implant cavity position relative to tissue using nested member expansion.

Movable blocking elements in a cervical plate assembly secure bone screws without specialty tools, preventing screw hole stripping during removal.

Segmented handle and tower structure aligns k-wires, resolving precision versus complexity trade-offs.

A personalized external support system replicates natural joint movement paths to enhance mobility and cartilage nutrition.

Stacked end caps on modular implants resolve intervertebral space fit issues by enabling precise height and angular adjustments.

Segmented rigid rods and flexible tethers correct deformities while preserving pediatric growth potential.

A spinal surgery tool uses a locking handle assembly to distract or compress vertebral segments while an integrated measuring device indicates connecting element length.

Cutting teeth on a self-filling bone screw generate a hole and collect bone material during insertion, eliminating pre-drilled core holes.

A percutaneous spinous process stapler uses a connecting rod and locking caps to secure spinal fixation.

Segmented probe navigation resolves strength trade-offs, exposing bleeding bone on non-planar sacroiliac surfaces.

A spinal surgical instrument uses a guide element with holes to align with implanted devices.

In situ filling of a flexible container adjusts surgical spacer size, avoiding open techniques and preserving anatomical stabilizers.

An adjustable bone plate system positions a screw head portion to align with adjacent pedicle screw assemblies.

Pivotable cam anchors secure flexible tethers to vertebrae, enabling precise alignment correction without bulky rigid rods.

An adjustable drill guide uses a pivot mechanism and indexing bar to set precise hole spacing for bone staples.

A carbon fiber plate reinforced with metal alloy wire reduces implant weight and thickness while maintaining structural rigidity.

Hybrid fixation system expands screw trajectories to stabilize peri-articular fractures while minimizing soft tissue disruption.

Fibrous shape-memory implants expand inside vertebral bodies to restore structural height and alignment.

A spinal connector employs a rotatable ball enclosure to accommodate various sizes and orientations, resolving adaptability versus complexity trade-offs.

Segmented bone plates apply elastic compression to small fragments, resolving the trade-off between versatility and reliability in complex fracture treatment.

A resilient contact pin provides friction between a bone screw head and receiver to maintain angular alignment.

A non-enzymatic membrane structure controls analyte diffusion to resolve oxygen deficit and foreign body response in subcutaneous tissue.

Ratchet strap tightens around vertebrae without complex tools, reducing damage risk.

Nested radiopaque inserts encode implant data, enabling non-invasive retrieval of vital information through standard X-ray or CT scans.

Segmenting the device with a finned distal portion prevents migration while promoting micro-motion for bone integration.

A prosthetic joint uses threaded intramedullary stems for cementless fixation and ligament reconstruction to stabilize the implant.

Elastic compliance members apply low tension to tether structures, reducing vertebral trauma and adjacent segment morbidity during flexion restriction.

An insulating restraining block prevents premature shape change of nitinol implants while enabling accurate anatomical positioning.

A two-piece bone fastener crown uses a rotatable intermediate segment to secure spinal rods with adjustable angulation.

An intramedullary device delivers therapeutic agents directly to bone fractures via fenestrations and balloons.