Joint Implants TRIZ Cases

Gas conduits facilitate sterilizing gas penetration into pre-assembled orthopaedic implants.

A modular glenoid prosthesis kit uses locking bases to secure articulating members for customized surgical fit.

An adjustable spacer instrument with an angular mechanism enables precise femur and tibia tilting during knee surgery.

An implant stem features visual indicators that confirm proper seating, preventing distal migration and reducing revision surgery risks.

A jig identifies the joint axis of rotation to orient a prosthesis head, locking the component to prevent wobble and instability.

A femoral head prosthesis uses a hollow metal shell filled with polymeric core and coated with an articulation layer to reduce weight.

A medical expandable cage uses a balloon to drive unilateral movement of an internal part for precise height adjustment.

A slidable expansion mechanism adjusts implant height in situ, reducing surgical time while maintaining natural spinal curvature.

An offset raised wall and porous material on the tibial tray inferior surface resolve insufficient bone fixation and fatigue strength limitations.

Partial gear engagement in the deflectable linkage constrains pivotal motion ratios, preventing rocking instability during telescopic length adjustment.

A spring-loaded straight cup impactor secures surgical implants via axial tension during hip replacement procedures.

Segmented lateral expansion elements nest within the vertebral body to restore disc height while minimizing tissue trauma and blood loss.

Transfacet screw compression prevents expulsion of constant thickness implants by securing anchorage within the facet joint cavity.

Segmented femoral implants use identical distal parts to standardize bone preparation, reducing surgical time while maintaining anatomical adaptability.

A femoral offset instrument connects to a femur component via a fixed peg and movable peg mechanism.

Conical membranes seal hip endoprosthesis bores, preventing bone abrasion and osteolysis.

A modular femoral component inserter uses a rotatable post and locking lip to secure prostheses for precise placement.

A femoral cap implant uses a ceramic bearing surface to reduce metallic wear debris generation.

Optimization algorithms determine optimal implant design and positioning using pre-operative patient data.

A tibial bearing trial assembly uses a Y-shaped posterior buttress to lock against the base plate, securing component alignment during knee surgery.

Angled plates and a disc-shaped spacer enable rolling motion, reducing wear debris while maintaining spinal flexibility.

A variable angle humeral tray uses a threaded pin and washer system to axially reposition the stem for precise surgical alignment.

Segmented and asymmetrical femoral components enable knee flexion beyond 130 degrees while maintaining physiologic load distribution.

An expandable intervertebral fusion implant uses telescopic cross-members and arcuate arms to adjust dimensions within the disc space.

Segmented impaction caps engage rim recesses to distribute forces, preventing thin-walled shell distortion during surgical insertion.

Mesh reinforcement within polyurethane body provides tensile strength and fixation anchors, resolving insufficient integration of existing prosthetic devices.

Segmented implant extractors reduce extraction torque on bone, preventing soft tissue injury during removal.

A coupling instrument secures bearing members between femoral and tibial components.

Kevlar-reinforced PCU meniscus with a PCL scaffold distributes load to prevent joint deterioration while stimulating cellular integration.

A hollow shaft impactor uses a spring-loaded center rod and swivel collar to secure screw-on connection with orthopedic implants.

A glenoid implant liner decouples from its screw to enable precise driver placement during shoulder arthroplasty procedures.

Segmented augments with nested coupling mechanisms secure acetabular shells in bone loss while preserving head size.

Customized guide blocks match prosthetic contours to align surgical instruments, eliminating guesswork in revision knee surgeries.

An expandable intervertebral implant uses a drive shaft and linkage system to adjust the lordotic angle during spinal fusion procedures.

Asymmetric tibial insert ratios and distal pegs enable deep flexion in knee prostheses, resolving instability during high flexion activities.

Segmenting the prosthesis isolates wear from stable fasteners, resolving the contradiction between ease of operation and reliability.

An expandable interbody spinal fusion device integrates self-piercing screws within its superior component to anchor directly into vertebral bone.

A 3D printing system injects biomaterials into a temporarily phase-changed support medium to create precise tissue constructs.

An intermediary barrier prevents scar formation and contains wear debris around spinal implants.