Internal Osteosythesis TRIZ Cases

A positioning needle features a specially designed tip that conforms to the superior facet of a vertebra for secure docking.

A polyaxial bone plate locking ring integrates a noncircular head element to secure fixation without separate anti-backout components.

Multidirectional articulation joints in a low profile transverse connector accommodate anatomical variances while reducing soft tissue trauma.

A computer-piloted robot mills bone cavities to fit osteotomy implants, resolving manual alignment inaccuracies in sagittal and coronal planes.

A polyaxial head with three rotational degrees of freedom connects pedicle screws to translaminar facet anchors.

An elongated arc guide tube simplifies mounting by providing a pre-aligned pathway, reducing procedural complexity during spine surgery.

A rod connector uses an internal fixing screw to press a movable support section through a latch pass-through hole.

A spherical burr with a smooth rounded edge protects the posterior longitudinal ligament during anterior cervical microdiskectomy.

Curved stiff plate anchors into vertebra while flexible locking portion engages abutments to reduce invasivity and prevent tissue damage.

A wearable motion limiting apparatus integrates inertial measurement units and wireless transceivers to track wearer movement patterns.

Higher anchor hardness cuts into softer plates to prevent unintentional loosening while controlling material deformation.

A flexible washer adapts to irregular bone surfaces during compression.

A surgical robot uses infrared cameras to detect active and passive tracking markers on the end-effector for precise 3D position determination.

An expandable cervical distraction implant increases foraminal height within the facet joint to relieve radicular symptoms.

Composite titanium and stainless steel components resolve strength versus profile trade-offs in large deformity corrections.

Segmented stabilization implant with lateral tabs anchors into ilium and sacrum, resolving hypermobility detection issues via intermediary positioning tools.

Variable pitch threads on the cannulated nail resolve uniform compression limits by enabling localized bone fixation strength and load distribution.

A laminoplasty plate with transverse extensions provides secure fixation to vertebral tissue.

An assembly instrument uses position indicators to confirm correct mounting of a polyaxial bone anchor.

A bone anchor uses a flexible mesh section made of shape memory wires to expand after insertion.

Threaded drive shaft actuates ramp assemblies to expand interbody implant base plates laterally for controlled lordotic angle adjustment.

A spinal implant uses a screw-driven flexible arm mechanism to affix within vertebral spaces.

A medical measuring instrument uses movable support members and articulating engagement elements to detect distances between components.

A cylindrical implant bridges a surgically prepared joint using extending tines that engage the inner surface of the phalanges to prevent disengagement.

Independent blocking segments prevent screw hole stripping during extraction without requiring specialized surgical tools.

A woven retention device kit compresses radially for insertion into bone holes, expanding to prevent screw loosening in osteoporotic bone.

Segmented implantable thermal devices apply targeted cooling to the spinal canal, preventing damage to unrelated tissue during injury treatment.

A wedge-shaped inter-cervical facet implant distracts the joint to increase foraminal dimensions.

A pliers-like surgical instrument positions a rod relative to an implant using a pivot axis.

A surgical instrument assembly detects fiducial markers via an image sensor to display real-time orientation and position relative to a desired trajectory.

A mono-sectional spinal assembly uses a rigid rod and pedicle screw to stabilize isthmic fractures with precise immobilization.

Universal spinal plates resolve inventory complexity by integrating distinct screw fixation types via differentiated thru-bore profiles.

Integrating a floating locking ring with spherical screw heads simplifies assembly and enables easy removal without extra tools.

Replaceable cartridges extend antibiotic duration beyond one week while enabling dose adjustments.

Reverse thread segments in the coupling prevent screw sliding in unstable femoral fractures while allowing controlled compression.

Dynamic compression of a cervical fusion plate raises intervertebral space via a cage fulcrum, restoring lordosis without destabilizing the spine.

MRI-guided subchondral bone treatment stabilizes insufficiency fractures and redistributes load to relieve knee arthritis pain.

Nested retractors expand lateral spinal access channels through the psoas muscle, reducing tissue trauma during minimally invasive fusion.

A dual screw sacral plate uses oriented cavities to secure multi-axial fasteners.

Integrated elastic block hook and limiting groove secure screws without additional assemblies, preventing loosening while supporting tissue recovery.

A magnetic driver rotates a threaded rod to translate an internal transport carriage within an intramedullary nail.

An integrated cable tensioner applies dynamic compression to a fixation plate, resolving procedural complexity from multiple surgical tools.

Nested mesh sleeves prevent graft migration while matching bone profiles.

A spinal rod locking holder uses a sprocket assembly and pawl system to enable precise radial fixation and rotation of the implant.

Segmented implant extender channels bone graft into the disc space, reducing nerve root retraction during fusion.

Disposable plastic molds position spacers to distribute antibiotic bone cement evenly, filling dead space for stable fracture healing.

Expandable bulbous bodies secure longitudinal members via pins, reducing surgical complexity while maintaining structural integrity.

A pedicle screw inserter uses a carrier lock to hold the stylet position during implantation.