Internal Osteosythesis TRIZ Cases

Provisional taps form bone threads for temporary mounting, enabling soft-tissue retraction plus bone compression and distraction without permanent screws.

An adjustable bracket and fastener gradually returns a bone flap as brain swelling reduces, avoiding cryopreservation and a second invasive surgery.

Pivotable implant supports and movable compression parts help align and stabilize vertebrae during fusion and decompression procedures.

Tracking markers and planned robotic actuation address error-prone manual placement by locating surgical instruments and guiding them along controlled trajectories.

A frangible tether separates as bone growth creates tension, applying rotational force to correct malalignment without osteotomy or implant-removal surgery.

Cutting flutes and a tapered neck let an orthopedic bone screw form its own countersink, reducing protrusion without extra tools.

Independent translation members adjust implant height and lordosis, helping a spinal fusion cage fit narrow access paths and preserve alignment.

Anchors, dilators, and drill guides use navigation to place spinal constructs precisely in one position while limiting radiation and operating time.

Nested screw geometry increases compression screw diameter without enlarging the IM nail, while telescopic lag motion maintains compression and limits tissue irritation.

Multi-planar femoral nail curvature follows three-dimensional anatomy to reduce femoral cortex impingement, malalignment, and discomfort.

Telescopic male and female components let surgeons adjust screw length intraoperatively while supporting stable fixation across femoral neck lengths.

An integrated biocompatible battery powers bone lengthening internally, removing external cables and improving patient mobility.

Clip-and-nut securing assemblies let spinal rods self-align at pedicle screws, easing precise adjustment during surgery.

A polyaxial receiver and U-shaped rod seat help one bone anchor adapt across procedures while reducing inventory complexity.

Electromagnetic and optical sensors track body structures in real time, enabling robotic adjustment of instrument alignment during spinal fusion.

Open interconnected pores increase bone engagement and ingrowth, helping sacroiliac fixation resist rotation, migration, and pull-out failure.

Segmented implant arms and a nested delivery device enable minimally invasive facet distraction to increase foraminal height and reduce nerve compression.

Modular clamps attach new spinal fixation to existing fusion rods, avoiding hardware removal and limiting surgical disruption.

A detachable insertion connection lets the fixation device use one skin entry point, reducing incisions and surgical complexity.

See how a spinal construct uses a snap-fit rod and screw connection to lower assembly force, simplify instrumentation, and support vertebral stabilization.

Opposing magnetic forces counter spinal deformity without rods, tethers, or fusion, helping preserve mobility in young patients.

Calibrated jig holes guide a cannula and tabbed implant to anchor spinal lines to vertebrae through minimal incisions, limiting tissue dissection.

External cables limit mobility during bone lengthening; a biocompatible subcutaneous battery powers the motorized nail independently.

Resilient clips flex around fastener heads, then return to retain screws, limit backout, and enable tool-assisted removal.

A separate insertion device connects to and decouples from the fixation device, simplifying one-incision placement while supporting implant rigidity.

Guided extensions let a pre-bent rod reshape vertebrae during correction, avoiding rod bending that can increase fracture risk.

Optical markers on screw extenders let a camera track pedicle screw heads and guide spinal rod placement without complex imaging.

Angled plate housings guide screws into S1 and S2, while a skirted locking plug limits movement and strengthens sacral fixation.

A tensionable transition member redistributes flexion loads from fused to adjacent vertebrae, helping limit hypermobilization and kyphosis risk.

Shape-memory transition stores and releases energy to capture and compress small, thin bone fragments while reducing tendon irritation.

Magnetic screw devices align opposing poles to apply forces that straighten and stabilize abnormal spinal curvature with less invasive treatment.

A movable shield covers a surgical-tool mark before use and exposes it after adapter separation, helping deter accidental reuse.

An alignment index, pin holes, and bone fastener holes help position and fix displaced bones during complex orthopedic procedures.

Load cells and tracking markers detect unexpected instrument movement and guide corrections during difficult bone drilling.

Magnetic coupling rotates a lead screw to control bone distraction or compression while avoiding bulky external frames and pin-site infection risks.

Segmented palatal wings and webs create space for the vomer while supporting premaxilla alignment and nasal breathing.

A portable sensor device displays real-time orientation data to align bone cutting planes without costly computer navigation.

A nested cylindrical elastic part and ball joint provide flexible spinal fixation while reducing rod volume and foreign-body feel.

Osmotic pressure drives predictable rod expansion as children grow, reducing repeated surgeries while preserving spinal stabilization.

Integrated navigation and peripheral arms coordinate simultaneous surgical tasks while improving positioning accuracy and intraoperative adaptability.

A retaining sleeve aligns the cannulated shaft with the bone screw for stable cement delivery and fewer coupling steps.

Deployable anchoring elements engage the vertebral pedicle without bone cement, allowing a larger implant and reducing endplate pressure.

A retaining sleeve holds the bone screw while a locking sleeve enables controlled rotation and quick detachment during insertion.

An axial-motion expanding ring simplifies plate deployment, while bone filler maintains the vertebral device’s expanded position.

An expansion-only split retainer resists pull-out forces and stabilizes the shank, while an insert independently locks the pivotable anchor.

A segmented, reconfigurable spine instrument set improves surgical visibility, limits tool exchanges, and reduces tissue trauma during implantation.

Base and side walls secure a medical alignment device while sensors and a processor verify three-dimensional tool angles for pedicle screw placement.

A flexible band connector guides and locks spinal rods for adjustable vertebral fixation, simplifying stabilization and component replacement.

Detachable adapters let reusable drivers apply torque and accept cement delivery through the threaded shank, simplifying setup outside surgery.

Learn how a rotatable locking ring secures the bone head while reducing implant profile and vertebral pressure during spinal surgery.