Ligaments TRIZ Cases

Fan-folded fascia lata grafts achieve mechanical properties comparable to autografts while reducing surgical morbidity and operation duration.

Nested lumen enables simultaneous implant deployment and bone anchor advancement through one access point, eliminating multiple incisions.

Epoxide crosslinking replaces toxic aldehydes in animal ligaments, resolving degradation resistance versus toxicity trade-offs.

Implantable magnets in the tongue and soft palate create repulsive force to prevent airway collapse, avoiding CPAP discomfort.

Flexible bands link glenoid and humeral components to replicate natural ligament support, stabilizing the shoulder joint when rotator cuff tissue is damaged.

A knee replacement design substitutes the anterior cruciate ligament using a mechanical CAM post mechanism.

Mechanical spring drive replaces hydraulic complexity, enabling joint capsule closure with precise bearing alignment.

Segmented ligament links with pre-configured apertures reduce surgical time by enabling rapid tension adjustment and reconstruction of cruciate ligaments.

Specialized adhesive bonds hollow carbon nanotube tubes to rigid substrates, enabling reliable micro-fluidic connections despite complex bonding requirements.

Segmented pie cuts lengthen lateral ligaments without weakening strength, resolving rupture risks during knee replacement balancing.

Hooks and ram pins apply controlled force to elastically deform the staple, resolving resistance from bone tissue during deployment.

A woven scaffold with an internal space receives a toggle to anchor the ligament in bone tunnels.

Curved exit pathway reduces bending stress on prosthetic ligament, preventing bone loss and fatigue failure during orthopedic repair.

Segmented tendon anchors distribute muscle force independently, resolving the trade-off between surgical simplicity and adaptive grasping.

Segmented channels in the bone block decouple MCL and LCL grafts, eliminating torque from box-loop designs while minimizing tendon harvesting.

A foldable enclosure device protects sheet-like repair implants during surgical delivery.

Adjustable silicone wedge restores natural shoulder contour by compensating for humeral drop without restricting joint mobility.

An implant stabilizes the shoulder joint using a scaffold attached to the humeral head, glenoid, and rotator cuff tendon to repair injuries.

Segmented delivery and deployment devices enable non-parallel anchor placement, resolving precision versus complexity trade-offs in tendon tear fixation.

Different sagittal profiles for lateral and medial sliding surfaces distribute load to reduce soft tissue stress.

A carrier member with angled attachment members engages connective tissue to distribute tensile loads across multiple points.

A tissue scaffold uses interwoven warp and weft yarns of varying diameters to create a textile structure with controlled pore sizes.

A drill guide aligns with anatomical landmarks to form precise bone tunnels, restoring joint function by resolving imprecise tunnel formation.

Staged reamers form dual diameter femoral passages in one pass, reducing guide wire breakage and metallosis risks.

An inverted whip stitch pattern secures parallel tendon lengths at the free end, resisting maximum pull-out force and deformation under tension.

A tendon fixation plate uses a wobble joint mechanism to allow flexible orientation during surgical insertion.

A composite fixation device combines two biodegradable materials to maintain structural integrity while enabling tissue ingrowth through controlled degradation.

A transversal member passes through femoral cortical bone layers to anchor artificial knee components securely.

A flexible driver instrument with interlocking segments navigates curved bone tunnels to position and anchor soft tissue grafts.

Curved convexities on the tibial baseplate bone interface increase load resistance and stability, reducing loosening risks in knee arthroplasty.

Linear hammering replaces rotational screwing to prevent tendon twisting and damage during precise fixation close to the joint.

A universal impulse mass applies driving and expelling forces to a surgical rod-shaped tool via complementary surface pairings.

Segmented anchor design with self-expanding button reduces surgical time while maintaining precise fixation reliability for bone repairs.

Inverted whip stitching anchors tendon grafts to resist suture pull-out forces up to 60 pounds.

An arthroscopic method resurfaces the glenoid using a prepared meniscal allograft, reducing surgical invasiveness while restoring joint function.

Cortical loop fixation attaches grafts to bone surfaces, eliminating tunnel drilling and reducing bone destruction during reconstruction.

A preloaded graft deployment system uses an expansion mechanism to position and fix tissue grafts.