Suture Equipments TRIZ Cases

An off-center tissue anchor rotates its coupling element to avoid blood vessel compression during cardiac implantation.

Friction-based insertion of a diverging wire anchor secures sutures without bone trauma or specialized tools.

Segmented clamp design with polyaxial screws resolves rigid screw positioning and nerve injury risks while enabling graft bone packing.

A biological suture core resolves the strength-biocompatibility trade-off by combining synthetic durability with tissue regeneration properties.

Segmented porous mesh skin closure uses large central windows for exudate drainage while peripheral adhesive zones prevent contamination.

A surgical suture system uses double locking apertures to secure tissue without knot tying.

Pivotable jaw members expand to accommodate larger needles, resolving the trade-off between ease of insertion and suturing precision in TaTME surgery.

A pivotable surgical device threads and retrieves sutures automatically through a needle opening.

Adjustable anchor plug resolves graft tensioning errors by allowing unidirectional movement to eliminate suture slack and ensure precise positioning.

Replacing hammering with a screw mechanism prevents bone fractures during articular surface repair.

Porous mesh member fills with bodily tissues to prevent thread escape and cog damage during lifting.

A flexible filamentary sleeve anchors tissue via a one-way cleat mechanism without requiring surgical knots.

A receiver member with a U-shaped channel accommodates an elongated spinal rod and bone-engaging screw.

Point-contact holding portions grip a curved guide wire to facilitate instrument rotation and alignment, resolving introduction difficulties in stenosed ducts.

A medical waste trolley uses a foot pedal to pivot the lid for hands-free container installation.

Non-symmetrical barbs on a suture shaft bend out of plane during insertion, lowering insertion force while maintaining holding strength.

A biologic tube reinforced with a weaved suture protects clot formation and reduces failure rates in ligament repairs.

Expansion-only split retainer ring prevents receiver removal to resolve pull-out resistance weakness in polyaxial bone screws.

A suture-driven needle delivery tool ejects a pointed distal end from a bore, minimizing surgeon exposure to sharp needles.

A surgical trocar uses an oblique needle port to guide suture passers through tissues at a specific angle relative to the cannula axis.

A surgical threading device inserts a suture matrix through small skin access sites to restore structural support in the neck area.

Dual-arm segmentation guides sutures through torn meniscus tissue without projecting into the capsule, protecting nearby nerves and blood vessels.

Flexible springs in the fixation system allow extension and compression of the rod relative to the bone, reducing stress on compromised tissue.

A specialized needle deploys absorbable sutures through percutaneous punctures to support the pubourethral ligament.

A specialized knot pusher device with a coupling member enables precise suture knot placement.

Integrated suture hooks on a flexible retractor approximate incision edges upon removal, reducing manual closure steps.

A bone anchoring device uses a conical shank end and cooperating head recess to create a self-locking connection for secure pre-fixation.

Guided threading needles create precise arterial wall openings to ensure accurate stitch positioning and eliminate blind puncture risks.

A surgical suturing needle positioning assembly uses a ramp member and snare to guide axial movement, enabling precise threading through tissue in tight spaces.

Shape memory polymer barbs transition to a permanent shape at body temperature, releasing bioactive agents from barb angles to sustain antimicrobial efficacy.

A bioresorbable tissue anchor system creates a hammock effect to stabilize the urethra without permanent mesh implants.

Integrated plunger clamp advances suture threads through a sleeve opening, eliminating cumbersome instrument switching and reducing operator time.

Fixation apparatus redirects tension element force vectors at an independent axis via a supportive distal chamber.

An integrated needle structure combines insertion and fixation functions through a single hole, reducing tissue damage and anesthesia risk.

Movable inner member maintains suture tension via interference fit, eliminating multi-step manual tensioning during bone anchor deployment.

A modified arthrotomy closure method uses two sutured needles to form three series of parallel stitches intersecting at 45 degree angles.

An all-suture anchor system eliminates foreign body reactions by using a collapsible tubular design that absorbs after healing.

A releasable suture clamp uses independent stackable components to transition between clamped and unclamped configurations for tension adjustment.

Integrating retraction and distraction via rotatable coupling maintains mechanical linkage stability while reducing contamination risks.

An expeller pushes the suture out of a recess through a lateral opening, preventing tissue trauma caused by difficult disengagement.

Spring-loaded gripping surfaces lock sutures in place while an actuator separates them for tension adjustment.

A tubular closure device uses angled guide holes to direct suturing instruments for precise tissue placement.

Segmenting aromatic backbones with ester linkages resolves the contradiction between mechanical strength and bioabsorbability in implantable medical devices.

Dynamic bone screws in a spinal spacer prevent backout during subsidence, maintaining lordosis and reducing implant failure.

External band anchors intraluminal sleeve to prevent migration without stapling tissue, reducing trauma.

A knotless soft anchor couples to a snare assembly that reconfigures under tension to secure tissue.

Shape memory polymers in this biodegradable device adjust dimensions via liquid stimuli, maintaining fixation strength while adapting to tissue healing changes.

Integrated inner cores capture slippery sutures, eliminating repetitive manipulation during TMJ disc repositioning.

A fusion implant system uses a guide instrument to align bone segments for precise fixation.

A porous surgical plate allows muscle tissue to migrate through its structure into the bone during regeneration.