Internal Osteosythesis TRIZ Cases

Shape sensing system using optical fibers with Fiber Bragg Gratings provides precise 3D position and orientation data for surgical tools.

Segmented alignment element decouples inclined screw placement from rod insertion, enabling simultaneous translation and derotation of vertebrae.

Collet engages smooth and threaded screw heads to resolve insufficient friction fit stability.

An inflatable balloon anchor applies gradual tension to align vertebrae, reducing bone fracture and nerve damage risks from invasive surgery.

Segmented U-shaped clamps with an elongated component restore intervertebral height and relieve nerve compression by facilitating bone fusion.

A partial shaft bone shim increases surface area interaction to prevent screw loosening in spinal fusion surgeries.

A trial sizer device with a guide body and spacer system directs drill bits to create precise pilot holes in bone structures.

Adjustable angular positioning accommodates varying member shapes, eliminating stress on elongated members during implantation.

A flexible articulated drill profile with inclined teeth distributes torque evenly to prevent tooth disengagement and breakage during curved bone drilling.

Replacing rigid fixation, a flexible element mimics natural cartilage flexibility to enable chest wall expansion and contraction during breathing.

An elastic dampening linking element absorbs compression and flexion stresses, preventing adjacent disc damage and maintaining vertebral height during motion.

Coupled facet and disc implants stabilize the three-joint complex while restricting pathological motion.

Segmented rods and adjustable screws maintain structural integrity while correcting multi-level deformities through minimally invasive insertion.

Segmenting the fusion and anchor portions resolves installation difficulty while ensuring reliable SI joint stabilization across varying patient anatomies.

A tapered occipital plate uses adjustable clamping arms to secure spinal fixation while minimizing the device profile.

Segmented tulip mechanism enables z-axis translation of connecting rod without stressing the bone-screw interface, preventing fractures during spinal surgery.

Replacing aluminum with nickel-titanium eliminates template breakage during repeated bending and sterilization cycles.

Multi-component bone anchor uses expandable rings for bottom loading, resolving the contradiction between large screw strength and low profile.

A bone anchor receiver locks at a predetermined angle before rod insertion to enable precise spinal alignment.

Barbed shape memory intramedullary devices maintain compressive load despite bone relaxation and remodeling.

Segmenting the stem into fluted and smooth zones resolves the contradiction between early bending strength and long-term osseous integration.

Linear compression rings secure spinal rods to bone screws without applying torque, preventing thread stripping and simplifying surgical procedures.

Pull-lock pin expands an internal ring to increase frictional force, preventing cervical screw back-out that risks esophagus piercing.

Nested screw heads engage via cam surfaces to prevent loosening and tissue irritation in cervical vertebrae fusion implants.

A segmented installation tool advances a flexible implant member via a protective conduit to reduce surgical time and trauma during spinal stabilization.

Dynamic stabilization plate uses flexible core to share weight, preventing spinal collapse and promoting disc regeneration.

Adhesive bonding on a vertebral coupling member secures longitudinal members while eliminating bone drilling trauma.

Customized surgical apparatus uses patient-specific MRI or CT data to fabricate guides that ensure precise instrument placement and orientation.

A dynamic fixator interface member slides and rotates within a spinal plate to accommodate vertebral subsidence.

Segmented driver components eliminate adjacent interference and prevent screw loosening during precise vertebral alignment.

A bone fixation clamp uses a spring-loaded second member to apply continuous radial compression around the bone periphery.

A surgical reamer creates an undercut bone shelf to securely retain a dowel within a facet joint during spinal fusion procedures.

Sliding anchor members on elongate support members allow unconstrained axial movement, reducing surgical frequency in pediatric patients.

An adjustable tether system modulates loads on prostheses and prevents adjacent segment degeneration during spinal flexion.

Segmenting the frame into independent sections creates surgical access while an intermediary aligner ensures precise osteotomy guidance.

A minimally invasive cross connector device stabilizes spinal rods through a portal and tulip assembly.

A bone plate system combines fixed angle and polyaxial locking holes to accommodate varying bone anatomy.

Segmented links and a locking mechanism allow the rod to transition from flexible insertion to rigid stability, resolving alignment difficulties.

A sternal clamp implant uses a connecting portion member to engage a bending tool for precise positioning and stable support.

Pivotable jaws in a surgical implant inserter compressor accommodate anatomical variations and prevent overstressing of spinous processes.

A cervical plate locking mechanism uses biased petal structures and a locking lip to secure bone screws in spinal fixation systems.

A dynamic bone fracture plate uses a spring and ratchet mechanism to maintain compressive load between plate segments.

A bifurcated spinal stabilization device features a bone integration surface to promote fusion between adjacent vertebrae.

An arcuate element secures a drill guide to bone, allowing stable wire placement without slippage or repeated repositioning.

A two-part bone fixation system uses a first blade to orient a second blade for precise alignment.

Bioabsorbable hydrogel coatings on orthopedic fasteners swell to fill irregular bone lumens, preventing malalignment while eliminating surgical removal.

Posterior spinous process spacers restore vertebral alignment without invasive pedicle screw fixation, relieving nerve pressure while preserving motion.

Spherical articulation surfaces slide against each other to guide relative movements of adjacent vertebrae, replacing elastic elements that cause instability.

A dynamic spinal stabilization rod uses a damper and slider mechanism to allow controlled axial and bending motion.

Threaded cannula inside screw head engages removal instruments to extract implants without stripping threads or damaging osteoporotic bone.