Internal Osteosythesis TRIZ Cases

An adjustable spinal implant stabilizes vertebral structures by sliding plates along a post to match interspinous space width while maintaining secure fixation.

Parallel guide tubes in a modular pin guide ensure precise pin placement, resolving reliance on surgeon skill.

A wedge-shaped tibial implant secured by a fixation screw featuring distinct proximal and distal thread pitches for stable bone anchoring.

A spinal implant buffer unit disperses torsion stress via flexible membrane deformation, preventing breakage during twisting motions.

Integrated expandable anchors lock the intramedullary nail within the bone, eliminating separate incisions and reducing infection risk.

Self-centering locking holes with elongated openings maintain alignment for bone fixation elements despite nail bending during medullary canal insertion.

A cranial flap fixation tool uses an over-torque mechanism to ensure consistent clamping forces during surgical installation.

A locking pin secures a protective sleeve within an aiming device guide opening to maintain precise alignment during bone drilling procedures.

Coplanar lenticular arrays on bone screw extensions detect orientation via hue shifts, resolving occlusion issues during spinal surgery.

A spinal connector with a movable cavity member enables axial micro-motion to accommodate growth.

Augments damaged plantar plate tissue using a specialized drill guide, K-wire graft passer, and interference-type screws for secure fixation.

Partially annular retaining member engages bone plate anchor heads to prevent backout while allowing easy insertion and removal.

A washer-type clip with a posterior extension secures the greater tuberosity fragment using variable-angle screw fixation.

Segmented bridge structures generate continuous radial compression on bone segments, resolving linear force limitations in carpal fusion.

Posterior spinous process spacers restore vertebral alignment without invasive disc surgery, reducing recovery time.

Slotted hinge mechanisms enable intraoperative expansion of laminoplasty plates, resolving anatomical fit issues without custom pre-surgical shaping.

An implantable bone distraction device uses vibration sensors to measure mechanical responses between bone sections for continuous fusion monitoring.

A translational bone plate uses movable segments and a locking mechanism to compress vertebrae axially.

Integrated drill guide enables precise screw placement during vertebral fixation, reducing neural damage risk.

Segmented body and adjustable link arms replace lamina and spinous process while accommodating variable anatomical configurations.

Sliding and rotational locking secures the orthopaedic head on the screw post without obstructing driving tool access.

An articulated rod inserter resolves bulky device constraints by using distinct knob and lever motions to align screws at varying heights.

A ratcheted spinal device adjusts rod length via a variable-length member and ratchet mechanism for precise deformity correction.

An osteo-implant expands its outer diameter through mechanical interaction between end portions and middle segments.

A telescoping intramedullary nail uses a bias member to allow controlled longitudinal motion between proximal and distal segments.

Segmented implants with reduced diameter tool engagement portions navigate constrained facet joint spaces to position support bodies that promote fusion.

Interchangeable closure elements enable simultaneous or independent locking of the rod and head, eliminating separate device types.

Degradable stoppers in a pedicle screw rod system enable gradual fixation transitions, preventing stress shielding and disuse osteoporosis.

Telescoping pedicle screws adjust construct height intraoperatively while counter-torque mechanisms resist bone screw pull-out.

A minimally invasive compressor and distractor instrument uses internal set screw engagement for threaded reduction capabilities.

An S-shaped interspinous spacer uses slidably disposed hooks to accommodate varying patient anatomies and provide precise spinal distraction.

An adjustable bias member allows surgeons to modify intervertebral mobility post-operatively without requiring additional surgical interventions.

A polyaxial bone plate integrates a locking assembly to secure spinal screws without impeding therapeutic settling.

A spinal rod extension inserts through existing pedicle screw heads to attach new rod segments without bulky external bypass mechanisms.

Adjustable force directing members enable reversible correction of spinal deformities, reducing spinal cord damage risk by avoiding permanent fusion.

A self-retaining interspinous spacer maintains separation between adjacent spinous processes to alleviate nerve compression.

A cervical plate combines a polyurethane foam core with an inflatable balloon to absorb shock while maintaining intervertebral disc space.

A cannulated bony fusion implant uses a central lattice structure to promote bone ingrowth while maintaining structural integrity.

Progressive screw tightening corrects spinal curvature without excessive transverse stress on anchoring points.

Laser alignment markings on implantable cages and plates enable precise visual orientation during surgical procedures.

Deflectable retaining member holds multiple tabs in the channel to reduce contamination risk.

Segmented headless compression screws resolve translation delays by applying controlled initial movement before final compression.

Artificial bearing members in implantable facet joint devices restore spinal motion while preventing unnatural disc loading from rigid fusion.

A spinal implant uses a contractible band and nut to lock bone fasteners.

A spinal rod pusher instrument uses a nested shaft and roller to advance fixation rods.

Segmented needle assemblies transmit bone grafts percutaneously to minimize tissue trauma during spinal procedures.

A surgical instrument uses a transitionable cutting element to form bone passages with precise axial and enlarged cross-sectional portions.

Composite acetabular cups and adjustable zigzag shaft holes preserve anatomical alignment while preventing metallic debris generation.

An intervertebral insertion instrument uses an adjustable spreader and implant holder to advance devices between vertebrae.