Internal Osteosythesis TRIZ Cases

Segmented plate members with universal connection portions reduce inventory complexity while maintaining bending stiffness.

A spinous process fusion device uses a ratcheting lock to secure wings for vertebral immobilization.

A bone screw implant uses a rotatable sleeve to prevent reverse rotation during sacroiliac joint fusion procedures.

Mesh bone implant kit prevents migration by conforming to irregular defect shapes via deployable sleeve deployment.

A bone fixation element uses a transverse passageway to guide fastener penetration into tissue for secure spinal anchoring.

Segmenting the bone screw shaft and receiver allows robotic guidance to place fasteners accurately while avoiding interference with surgical access.

A vertebral fixing device uses pivotable members and a clamping mechanism to secure support members within an adjustable passage.

Horizontal tubes in the surgical implant enable X-ray detection of bone formation while promoting rapid ingrowth.

A vernier scale reference member locates hidden locking holes in the medullary cavity, preventing joint damage from long nails during bone fracture fixation.

A zero-profile intervertebral fusion cage uses a single staple to secure vertebral bodies through lateral insertion.

Segmented components and dynamic latching features enable secure fixation between spinous processes while simplifying implantation and removal procedures.

A positioning device with a guide bow and adjustable sleeve aligns interlocking screws in long bone fractures.

Manual screwing and ratchet mechanisms provide progressive tension control, preventing bone damage caused by aggressive twisting.

A pivoting implant holder rotates a spinal device from a lengthwise insertion path to a transverse placement orientation.

A spinal bone fastener uses a movable receiver to adjust implant orientation relative to the anchor.

Dynamic locking ring mechanism allows precise angular repositioning of spinal implants while protecting surrounding tissues from excessive mechanical stress.

Segmented inserts resolve UHMWPE processing limits by nesting a larger diameter locking component within a delivery sheath for secure screw fixation.

An asymmetric cutting tool prepares the sacroiliac joint for fusion by aggressively roughening the harder ilium while protecting the softer sacrum.

Segmented compression and locking devices within a shared bore resolve the complexity-versatility trade-off for stable bone fixation.

Spring elements distribute load evenly across bone anchors, preventing screw pull-out.

Image-guided robotics establish accurate L5/S1 fixation pathways through the sacral ala, avoiding sacroiliac joint violation.

Segmented interspinous fixation eliminates lateral bulk to restore surgical access while maintaining reliable vertebral fusion stability.

An integrated mandibular fixation device combines multiple anchoring points into one unit, reducing surgical time and infection risks from separate wires.

A customized minimally invasive spine guide uses reformatted two-dimensional images to locate mating shapes for precise surgical planning.

A spinal cross-connector uses a C-shaped arm and rack to secure orthopedic rods via conical set screws.

A universal bone fixation anchor combines a soft inner core with a rigid outer shell to secure screws in low-density bone.

Segmented implant with bone anchors compresses sternal halves, resolving non-union from inadequate realignment.

Variable-angle locking screws in a contoured plate optimize bone engagement, reducing screw pull-out risk and tissue irritation.

A spinal connector assembly uses a rotatable rod receiver to align bone fasteners without bending the rod.

A cerclage cable system uses a tensioning crimp to secure cables around bone fractures for stable fixation.

Segmented adjustment mechanism with stop surfaces precisely controls coupling play, resolving complexity trade-offs in femoral neck fracture treatment.

Composite material connecting rods absorb shocks and reduce stress on adjacent joints, preventing screw pull-out in soft bone.

A modular lateral reducer with a pivoting arm interface aligns spinal rods within crowded surgical sites.

Segmented elastic blocking means in a slide-type cervical plate prevent screw backout under combined vertical and rotational loads.

Perpendicular spring movement locks fasteners in bone stratum holes, preventing inadvertent backing out and enhancing spinal fixation stability.

Segmented spinal fixation components accommodate varying patient anatomy while maintaining structural rigidity through universal interfaces.

A balloon catheter with integrated RF electrodes and temperature feedback monitors tissue desiccation to prevent charring during tumor ablation.

A polyaxial transition device bridges existing and new hardware, reducing surgical time by avoiding removal of asymptomatic spinal levels.

A femoral array clamp secures bone pins to tracking arms via a locking fastener for precise surgical positioning.

Integrated spacer and plate unit prevents screw backout into soft tissue by enabling three-dimensional bone purchase through the spacer body.

A low-profile frame and spacer system secures into a disc space using angled fixation members to support spinal fusion procedures.

Resilient locking mechanism in flexible intramedullary clavicle fixation prevents bone shortening and implant migration by accommodating physiological rotation.

Segmented stabilization components distribute stress on adjacent vertebrae, preventing disease progression while maintaining fusion stability.

A porous tantalum rod features a central through-hole to enable precise surgical positioning and continuous decompression during femoral head treatment.

A robot-assisted surgical system applies insertion forces to instruments while monitoring multiaxis loads via load cells for real-time alignment control.

Artificial convex caput femur surfaces insert through pelvic bone holes to fixate implants without penetrating the hip joint capsule.

A dynamic reference array integrates fiducial and tracking markers on a swivel scaffold.

Segmented rod assemblies with rotatable receivers allow independent bone anchor placement, eliminating single-rod manipulation constraints.

Spring-biased tabs engage anchor rods to maintain optimal distraction forces without fusion surgery.

A permanent expandable mesh scaffold replaces temporary balloons to maintain void geometry and prevent screw loosening in spinal stabilization.