Suture Equipments TRIZ Cases

Vibrational cutting creates customizable barb geometries on sutures, resolving the trade-off between manufacturing complexity and tissue holding adaptability.

Segmented jaw members capture needles exiting the glans penis, eliminating manual extraction risks and tissue trauma.

A suture tensioning device applies calibrated force to secure threads and determine precise knot locations.

Basket-type tissue anchor with shape memory alloy struts expands to distribute load, preventing necrosis from over-compression.

Percutaneous tensioning of tethers connecting atrial anchors reduces valve regurgitation without invasive surgery.

A surgical suturing device guide tip directs needles through tissue and a replacement valve cuff to enable precise suture placement.

Pre-assembled button loop construct cinches against bone cortex to stabilize ligaments, eliminating invasive knot-tying steps.

A continuous suture device uses a single free segment to form an adjustable loop via a locking Brummel splice.

A pivoting head mechanism uses a compressible wear member to create adjustable friction resistance for spinal implant motion.

External grooves on the needle body replace hollow designs, reducing manufacturing complexity while securing the gold thread.

A transoral surgical device uses distal anchoring and nested suturing sections to create a gastric lumen without external incisions.

A deformable C-shaped needle transforms into a closed anchor during rotation within a curved guide track.

Negative pressure approximates vaginal cuff tissue edges, enabling accurate suture placement to prevent dehiscence.

A distal anchor delivery system deploys artificial chordae to repair mitral valve leaflets.

A biscrolling method uses carbon nanotube sheets to form bilayered structures for yarn fabrication.

An integrated foam cushion expands the suture contact footprint to distribute forces, preventing suture tear through and slippage while promoting healing.

A surgical access cannula features a distal tip with longitudinal and circumferential channels paired with an obturator containing a retractable cutting element.

An endoluminal implant forms gastric plications using radiofrequency energy to restructure tissue.

A self-expanding disk-shaped device with an anchor isolates damaged heart tissue to promote ventricular remodeling.

Segmented staple legs diverge upon insertion to generate poly-axial compression, eliminating shear forces in varying bone geometries.

A bone anchoring receiving part clamps the head using a locking ring with a curved interior surface, reducing device size and clamping force.

Motorized reloading modules position surgical implants within trocar channels, reducing procedure time by eliminating complete instrument removal.

A rear-viewable port closure device integrates a scope channel and reflector to enable internal visualization during suture placement.

A knotless, self-locking construct secures tissue grafts to bone using a tensionable flexible loop and splicing mechanism.

Segmenting the attachment and tensioning tools reduces procedure time while maintaining secure tissue fastening reliability in minimally invasive surgery.

A hollow cylindrical anchor engages bone tissue through inner and outer surfaces to secure suture material without complex locking mechanisms.

A suture needle with a transverse lumen and recess holds the suture end securely within the cylindrical body.

Nested filament loops in a knotless suture anchor adjust tissue position while eliminating knot irritation and reducing abrasion.

Segmenting the screw body allows a larger diameter for secure fixation while keeping the U-shaped fork head small, resolving the size-strength trade-off.

Flattened thread peaks minimize fretting damage and halve extraction torque compared to conventional V-shaped designs.

Self-cinching mechanisms in soft anchors eliminate knot-tying complexity while securing tissue fixation.

A suturing device uses a dynamic slider control mechanism to manage suture thread tension during anchor release operations.

Drawing P4HB fibers resolves insufficient in vivo strength retention by achieving over 800 MPa tensile strength for high-load tissue repairs.

Segmented channels in a preloaded suture passer prevent suture entanglement during complex knee joint repairs.

A bifurcated locking clamp with a coil spring secures sutures without tying knots.

A rotating paddle mechanism crimps and clamps sutures to maintain tension, reducing patient discomfort and handling difficulty.

A pericardial portal system enables direct subxyphoid access to the heart for minimally invasive procedures.

A bone anchor device uses a transverse recess to grip and hold the thread loop securely during insertion.

A retractable cutting electrode with a preformed spring configuration hooks body tissue for controlled traction during endoscopic procedures.

Spaced barbs on a flexible body provide secure grip and precise tissue approximation, eliminating knot tying to reduce procedural time.

A bridge structure prevents coronary artery compression during percutaneous annuloplasty while a segmented pacing system resynchronizes ventricular contraction.

A bottom-loading bone anchor assembly retains a large diameter shank within a receiver member using an insert with a retention slot.

Pre-formed suture loops on a knotless anchor lock within bone tunnels, eliminating complex knot-tying steps while maintaining secure fixation stability.

Hydrophilic surface modification of biodegradable suture yarn overcomes hydrophobic polymer limitations to enhance stem cell engraftment rates.

Thermal tempering crosslinks polyvinyl alcohol fibers into stable gels, eliminating chemical contaminants and reducing production costs.

A surgical instrument lockout mechanism uses a pin and slot to prevent premature staple firing until jaw alignment is confirmed.

Replacing rigid metallic components with bio-compatible elastomers eliminates patient irritation while maintaining structural strength and joint stability.

An adhesive film distributes load across the tendon-to-bone interface, eliminating stress concentrations that cause suture anchor failure.

Coating PDO sutures with hyaluronate via an organic solvent reduces foreign rejection reactions while maintaining mechanical strength.

A surgical anchor delivery system uses a cannula to position an anchor with attached suture into tissue.