Internal Osteosythesis TRIZ Cases

A sliding tip mechanism within an angled spinal inserter accommodates off-centered spacer connections, resolving access challenges at the L4-L5 disc level.

Digital comparison of preoperative plans with postoperative imaging data resolves evaluation accuracy issues in orthopedic surgeries.

A spinal spacer device uses a cam surface and actuator to pivot a spacing element outwardly for intervertebral positioning.

A pivotable interbody spacer couples to a dynamic insertion instrument for precise angular positioning during surgical placement.

Telescoping bone anchors adjust longitudinally to align with rods, eliminating time-consuming contouring and reducing reduction forces.

Nested spring and blocking member in spinal plates prevent fastener back-out from vibration without adding external complexity.

Friction between the shank and bushing prevents unintended movement, reducing surgical complexity and procedural time.

A bone screw assembly uses a tubular torque stabilizer and compressor lock to fixate femoral segments.

A talar implant stem uses a ball-and-socket joint to enable adjustable angular positioning within the bone cavity.

Strategic pocket placement promotes bone fusion while maintaining structural integrity under bending stress.

A spinal fixation construct uses a flexible member with reduced stiffness to transition between rigid and mobile spine segments.

A segmented covering structure retains bone graft substances until placement at a surgical site, enabling customized delivery and controlled release.

Real-time tissue discrimination compares predicted and actual tissue types to resolve positioning accuracy contradictions in spinal procedures.

A bottom-loading orthopedic fixation device uses a modular locking clamp assembly to secure bone fasteners within the tulip element.

Segmented spinal implants pivot between compact and extended orientations, accommodating distinct anatomical structures while minimizing subsidence risks.

Segmented expandable fixation provides rotational stability in osteoporotic bone while minimizing soft tissue trauma during percutaneous deployment.

A spinal implant uses pivotally connected bone screw plates to allow angular adjustment relative to a base plate for secure vertebral attachment.

Telescoping spinal rods with lock mechanisms and biasing members allow natural growth while maintaining constant corrective force.

A bone anchor uses a polymer sleeve to guide an iliosacral screw through an ilium screw opening.

An instrumented orthopaedic implant embeds sensors to measure mechanical loads and transmit data via telemetry.

A polyaxial bone screw assembly uses a vertically translatable compression insert to lock the shank head within the receiver.

Offset connecting plate adapts to varying screw spacings, preventing polyaxial screw head splaying and improving surgical efficiency.

A universal target device connects to differently shaped implants via inclined connection directions.

A tulip connector system with a hinged collet enables quick angular placement of fusion rods onto poly axial screw shafts.

Segmented intramedullary pin prevents rotation-induced locking misalignment by using a straight distal section for stability.

A flexible vertebral body implant distributes stress uniformly through elastic deformation.

A lockable intramedullary nail uses a movable insert to secure bone fasteners at angled positions.

A cam lever locking mechanism stabilizes guide wires during spine surgery, reducing human error and improving surgical precision.

Segmenting the prosthesis into modular components resolves the trade-off between adaptability and complexity, enabling precise anatomical fit.

Spinal fixation assembly eliminates complex locking teeth by using a first passage with differing surface roughness to clamp the tether automatically.

Segmented plate design accommodates varied anatomy while adjustable housing aligns rods, reducing surgical complexity.

Segmented sleeve insert allows pre-assembly on implanted anchors, resolving complexity trade-offs while enabling 360-degree pivot adjustability.

A porous sleeve promotes bone in-growth to reduce proximal migration and stabilize femoral neck fractures.

Deformable portions conform to varying sternal geometries, distributing retractor force evenly to prevent fractures while maintaining hemostasis.

Segmented plates and a universal locking cross bar prevent relative rotation and separation, reducing surgical exposure for customized spinal stabilization.

Segmented rods with integrated fluid channels resolve the contradiction between structural support and comprehensive infection clearance in revision surgery.

Nested rack and pinion structure enables incremental expansion to restore mechanical support while minimizing device complexity.

Segmented clamp and rod system reduces surgical invasiveness while maintaining rigid stabilization of adjacent vertebral bones.

Integrated orthopedic blades perform simultaneous bone distraction and tissue retraction, reducing surgical complexity and improving visibility.

An integrated spinal interbody device merges the cage and plate using a self-aligning key and keyway mechanism to reduce surgery time and instrument count.

Deployable wing spacer resolves the trade-off between stabilization effectiveness and surgical invasiveness by allowing insertion through small incisions.

Preliminary rod shaping enables minimally invasive placement to correct spinal curvature while avoiding flatback syndrome and nerve damage.

Segmented vertebral facet distractors maintain distraction between articular facets to prevent foraminal narrowing and promote arthrodesis.

A planar reinforcing member stabilizes subchondral bone lesions adjacent to arthritic joints.

Partial rod reduction via adjustable tethers minimizes vertebral stress and prevents proximal junctional kyphosis.

A spinal cross connector assembly uses a single set screw to simultaneously lock rods and secure blocks.

A single-piece sternum implant merges fixation elements into one structure, reducing surgical complexity and infection risks.

Cannulated fasteners secure a hemiarthroplasty cup via guide wires, reducing joint damage and chronic pain during minimally invasive repair.

Interlocking segments on a malleable core allow the driver handle to align with the screw trajectory, eliminating soft tissue retraction forces.

A facetectomy blade enters a guide tube to decorticate spinal facet joint bone surfaces.