Internal Osteosythesis TRIZ Cases

A segmented vertebral fixation plate assembly uses a tongue and recess mechanism to enable adjustable length.

Movable plate segments reduce surgical time by allowing easy handling before locking the bone flap securely.

A nested expandable sleeve implant system provides radial expansion and structural support for bone augmentation procedures.

An elongate inserter expands an interbody fusion device using a trigger actuator and elevator mechanism to position structural inserts.

An expandable interspinous spacer device provides adjustable distraction between spinous processes to stabilize the spine.

Segmented inter-body devices with flexible bridges compress for minimally invasive insertion, then expand to restore disc height and promote bone fusion.

Crossing elongated guiding channels enable dynamic wire routing to simplify surgical attachment while maintaining stable bone fixation.

External rotating magnets manipulate implanted portions to correct spinal curvature without surgical incisions or frequent revision procedures.

Nested anchors bend at notches to prevent disengagement, solving stability issues in bone-screw interfaces.

A segmented surgical system inserts an interspinous spinal implant between spinous processes using dedicated working channels for precise placement.

A hermetically sealed implantable device uses magnetic transmission to drive a lead-screw actuator without physical contact.

A universal surgical tool uses a rod and elongated arms to engage various pedicle screw heads for efficient removal.

Calcium phosphate particle blasting creates textured surfaces that improve osseointegration without coating delamination.

A surgical spinal screw with a pivoting tip navigates bone geometry to avoid nerve damage and cortical penetration.

A revision fixation plate connects to previously implanted skeletal components using flexible couplers and locking projections.

A telescopic intramedullary nail adapts to pediatric bone growth using nested male and female components.

A placement jig couples to an interbody to abut and hold an anterior cervical plate, preventing misalignment that causes anchor loosening.

Segmented joint compression device with adjustable arms corrects foot bone deformities and applies stable compression across joints.

Segmented intervertebral spacer links connect via multiaxial pivots to enable flexible anatomical adaptation during minimally invasive surgical procedures.

Containment jacket prevents bone cement leakage during fracture stabilization while restoring vertebral height.

A spinal fixation device uses a cam shaft to deploy retaining members laterally through an outer member slot.

A bottom-loading polyaxial bone anchoring device uses intersecting passages to enable an enlarged pivot angle for modular assembly.

A spinal stabilization apparatus uses a single longitudinal link with elongated through-holes to enable longitudinal translation between transverse rods.

An adjustable rib plate apparatus uses movable outer plates and guidance cables to align bone fragments during internal thoracoscopic surgery.

Dual trocar loop kyphoplasty system enables controlled balloon expansion, reducing cortical rim fracture risk during vertebral height restoration.

Ramp mechanism converts axial actuator translation into component separation, restoring lordosis while minimizing bone removal during insertion.

A spinal fixation element incorporates a resilient biasing member to maintain constant load on the flexible longitudinal tether.

A handheld spinal rod guiding instrument uses a linear shaft and trigger mechanism to position the rod within the implant.

Segmented containment jackets prevent cement leakage during vertebroplasty by isolating filler material from height-restoring balloons.

Segmented conical body and asymmetric fin restrict facet motion to prevent migration.

Segmented sacral fixation implant uses guide wire to secure ilium bones, reducing thickness and enabling minimally invasive procedures.

Shape memory alloy central portion rotates bone anchor elements via pivot points, resolving misalignment and movement during deployment.

Segmented spinal connectors rotate relative to each other to orient rods in multiple planes, correcting alignment shifts from trauma or aging.

A vertebral implant system uses a sliding reducing plate actuator to adjust vertebral alignment relative to a fixed frame assembly.

A composite interspinous implant uses rigid lateral parts to resist creep while a soft central core provides damping.

A cannulated bone screw uses an internal tension member to maintain continuous compression across fractured bone segments during healing.

Porous lattice structure in spinal cage promotes bone ingrowth, resolving the trade-off between structural strength and biological reliability.

Segmented tails with multiple screw bores allow customizable fixation on the sacrum, resolving stability issues in the lower lumbar region.

An expandable conduit system transitions from a compressed profile to an enlarged surgical workspace for spinal fixation.

Expandable shape memory anchor secures flexible carbon fiber rod within vertebral bodies, reducing morbidity while preserving spinal flexibility.

A spinal fixation sleeve integrates a cylindrical jig to maintain polyaxial screw retention during rod insertion.

Segmented stem design resolves strength versus reliability trade-offs by combining rigid load-bearing structures with porous surfaces for bone ingrowth.

Adjustable guide inserts position anchor holes precisely, eliminating visual estimation errors during syndesmotic reconstruction.

A dynamic vertebral construct uses a flexible resistance element to provide selective damping for controlled spinal motion.

Custom patient-specific alignment guides conform to individual sacroiliac anatomy to direct bone screws along optimal trajectories.

Segmenting the insertion instrument into independent parts resolves the contradiction between complex deployment functionality and ease of cleaning.

Porous fixation devices resolve strength versus bone integration contradictions by enabling osteo-integration via additive manufacturing.

Mating elements on a spinal construct engage surgical instruments to resist receiver movement, preventing screw plow during vertebral correction.

Replacing PMMA cement with osteoinductive calcium phosphate cements eliminates interbody devices while improving biocompatibility and fusion strength.

Segmented elastic constraints increase bending stiffness to limit pathological motion while protecting vertebrae from damage.