Suture Equipments TRIZ Cases

Indirect needle actuation via a reciprocating shuttle reduces mechanism complexity while enhancing tissue penetration precision.

A knotless suture anchor uses nested members to expand inside bone, displacing cancellous tissue to prevent migration and ensure reliable cortical engagement.

A trocar support device with a dynamic latch mechanism enables secure coupling to robotic surgical arms.

A surgical suture construct with spliced tails facilitates passage through tissue and instruments.

Pivotable retaining member compresses to fix anchor position, preventing loosening and tissue impingement.

Segmented capture points engage needles sequentially to lower peak actuation force while maintaining hemostasis quality.

Nested protective sheaths and releasable couplers reduce implant damage during vaginal delivery by minimizing handling complexity.

Integrating a closed thread with a flat pitch into cervical spine screws eliminates set screw migration risks while maintaining low profile plate thickness.

Integrated biopsy device combines anesthetic injection, sample extraction, and wound closure to eliminate separate instruments and suture removal visits.

Spring-biased knotless suture fasteners self-actuate to grip sutures, eliminating manual knot tying and reducing heart-lung bypass duration.

Internal magnets in hemoclips replace bulky external systems, enabling precise multi-directional countertraction and safer tissue handling.

A steerable catheter delivers artificial chordae to anchor valve leaflets and papillary muscles.

Segmented gripper with accommodation groove resolves skill-reliability trade-off in surgical knot formation.

A knot pusher uses a gate crossbar to secure suture through side slots.

Segmented cells apply variable compression to target specific bleeding sites while maintaining distal perfusion.

Nested fiducials deploy sequentially from one needle to reduce punctures and eliminate air pockets that interfere with ultrasound visualization.

Alternating proximal and distal jaw retention mechanisms thread sutures through tissue, reducing procedural time for large wound closure.

Extending the eyelet through the proximal tip allows the anchor body to nest and shorten the overall assembly length, enabling shallower bone hole preparation.

A non-rotating cannulated tensioning device maintains suture tension during anchor placement.

A suture anchor system with a movable contact surface adjusts tension dynamically.

A closure structure with radial anchoring covers lumen defects to stabilize the vessel wall and promote re-endothelialization.

Segmented guide instruments with nested sheaths resolve the trade-off between deep tissue access and system complexity.

A suture passer device with retractable inner and outer tubes adapts between blunt and sharp tips to prevent tissue damage during minimally invasive surgery.

A tissue suturing device uses a tilting anchoring element to lock thread within tissue.

A bone plate implant uses a recessed outer contact element to house tensioning knots below the surface.

An articulating suturing device uses laterally deflecting needles to form a suture loop across a vascular puncture site.

A tubular needle with memory shape and floating pivot jaw mechanism advances through tissue to capture suture.

Bone navigation device uses optical waveguides to illuminate and analyze reflected light from tissue, resolving poor visualization of complex bone anatomies.

A preloaded suture passer cartridge automatically advances a second suture bight after the first is deployed.

Elastic thorn and binding projections on a wire main-body prevent subcutaneous tissue damage and sinking during facial lifting procedures.

A trans-abdominal gastric cannula uses internal and external anchors to secure positioning through the abdominal wall.

Ridged clamping blocks and elastomeric compression members secure slippery medical wires, preventing tangling in high-pressure environments.

A low profile orthopedic fastening assembly uses a polyaxial locking mechanism to secure medical implants to bone tissue.

Automated suturing device protrudes needles through tubular bodies, reducing procedural time and minimizing tissue damage during anastomosis.

Segmented radiopaque wire implant stabilizes breast tissue markers against fatty tissue movement, enabling precise external beam radiation delivery.

A temperature-biased suture needle transitions between flexible and rigid states.

Adjustable pelvic implants eliminate mesh complications by pulling lateral urethral support tissue with dynamic tensioning.

A transapical device uses a sealed introducer to penetrate the heart apex and position a steerable assembly for mitral valve repair.

A deflectable staging assembly aligns surgical fasteners with a firing rod plane to enable precise dispensing.

Segmentation and extraction principles reduce component interference, improving operability for complex endoscopic procedures.

A locking part with a coil spring houses a suture thread for reliable organ fixation.

Segmented pelvic implants attach to tissue using specialized delivery tools, reducing surgical trauma and procedure time.

A polyhedral wound closure device uses a spring-activated actuator to secure sutures for hands-free tensioning.

A rotary retainer forming apparatus cuts continuous suture strands using an inward-directed blade to create precise barbed retainers.

Thin film encapsulation protects inorganic LEDs from water ingress, preventing electrical short circuits in biological environments.

A cannula guides a super-elastic shape-memory thread that assumes a curved form to perforate bone tissue along a non-linear path.

A valve leaflet repair delivery device uses a spring mechanism to drive cooperative pull rod and push member movement for precise anchor deployment.

Twisting segmented gold rods eliminates drawing-induced bending and fracture while increasing skin contact area for better antibacterial performance.

Segmented artificial chordae employ a specialized fixing member to ensure reliable needle engagement, reducing surgical time and leaflet damage.

Absorbable PEDG-lactide copolymers replace non-absorbable PEG coatings to reduce bacterial adhesion while enabling controlled drug release.