Internal Osteosythesis TRIZ Cases

A resilient snap structure joins multi-part orthopedic implants using a flange and channel mechanism.

Segmented dual-armed instrument with a ratchet mechanism provides precise bone distraction while reducing manual adjustment complexity.

An adjustable frame and locking mechanism guide pedicle fasteners along predetermined routes, reducing spinal deformity risks from manual estimation errors.

A closed loop artificial ligament system mimics natural joint mechanics through adjustable connection members.

Segmenting the intermediate sleeve removes bulky components that obstruct visibility and create X-ray artefacts during spinal fixation.

Segmented spinal constructs bridge multiple bone screws to distribute mechanical loads, preventing screw plow and bone fracture during vertebral alignment.

A hinge connects endplates to adjust lordotic angles, resolving fixed-height limitations and enabling precise deformity correction.

Composite implants pair structural metal mesh with ceramic coatings to promote bone formation while preventing scaffold failure in large defects.

Segmented intervertebral spacers adjust spacing to accommodate spinal bending while maintaining structural stability.

Segmented vertical plates and composite square bolts resolve strength versus bendability trade-offs in multi-axis spinal fixation.

A surgical base unit anchors to pedicle screws and integrates a retractor support mechanism for local stabilization.

A deformable spring element secures an extension device to a bone anchor head through radial engagement.

Elastic bands integrate into clamp structures to prevent post-surgical disengagement and improve stability.

Crank-driven interspinous implant engages spinous processes percutaneously, reducing invasiveness while maintaining secure stabilization.

A malleable orthopedic implant hardens in vivo, resolving the trade-off between surgical invasiveness and load-bearing strength.

Deformable casing threads generate press-fit pressure to eliminate radial play and shifting between locking screws and implants.

A reciprocating adjuster mechanism applies lateral translational and derotational forces to the spinal column.

Interlocking gears engage bone anchors to prevent disengagement from rotational forces.

Segmented implant threads resolve locking consistency and stripping risks in spinal retention systems.

A spinal fixation implant features a triangular shank and fenestrated body to promote bone ingrowth.

A bone plate uses screw hole protrusions to apply pressure between separated bone segments.

Segmented head members with radiolucent extensions resolve force transmission contradictions in orthopedic implant positioning.

An integrated set screw detects rod-pedicle forces wirelessly, resolving the trade-off between structural simplicity and continuous monitoring reliability.

A fracture plate uses a compression screw mechanism to secure bone fragments and maintain stable fixation.

Integrated spiral screws secure the cage without external hardware, accelerating bone fusion while simplifying surgical insertion.

A polyaxial spinal stabilization system uses detachable collars to enable minimally invasive insertion of bone fasteners.

A multi-layer bone interfacing lattice uses varying compressibility to conform to irregular bone recesses.

A distally expanding facet implant uses a diverting member to widen intervertebral spacing while maintaining natural lordosis.

A networked platform enables real-time collaboration between surgeons and manufacturers to create customized orthopaedic implants.

Varying durometer elastomeric arms control vertebral movement and distribute stress, preventing facet joint resection.

Trans-lamina delivery positions spinal fixation assemblies along the cervical midline, reducing muscle stripping and tissue damage during stabilization.

Ratcheted longitudinal extension of an expandable rod applies incremental force to stretch the ligamentum flavum, correcting scoliosis without fusion.

Orthopedic screw tip relief cut enables self-drilling and self-tapping insertion, reducing procedural complexity and surgeon fatigue during implantation.

Tethers span uninstrumented vertebrae between fastener assemblies to reduce stress on adjacent levels.

An inwardly curved tab extends into a plate recess to retain bone anchors, preventing screw backout without increasing plate thickness.

A swellable interspinous implant expands between spinous processes to maintain vertebral alignment.

Pedicle screw instrumentation measures real-time insertion forces to maintain spinal alignment within safe mechanical thresholds.

Segmented optical and inertial components resolve attachment difficulties on small vertebrae while maintaining precise six degree tracking.

A medical device uses a deformable crest to pry open the sacroiliac joint and manipulate surrounding tissues.

Dynamic implants close gaps and block soft tissue infiltration while stimulating density through mechanical loading.

An electrosurgical handpiece delivers radio-frequency currents through a cannula to ablate spinal tissue.

An adjustable spinal jack employs a geared mechanism to expand jack halves, correcting vertebral misalignments without additional surgery.

A modular surgical instrument delivers a retractor blade and drives a bone screw through concentric sheaths.

A multi-plane cortical bone screw uses a ball head rotating along a conical surface to enable precise angular adjustment.

A quadrilateral linkage maintains parallelism between feet while a screw actuator adjusts the distance and angle of bone fragments.

Merges sensing and telemetry functions into one nestable unit to reduce assembly complexity while enabling non-invasive bone healing monitoring.

Applying a calcium-dependent sealant fills cracks to prevent bone cement extravasation and necrosis during spinal fixation.