Suture Equipments TRIZ Cases

Low-temperature diffusion hardening gives stainless steel contact sections carbide-like wear resistance while preserving toughness and biocompatibility.

Multiple implanted anchors and paired locking sutures let surgeons tune annulus contraction to fit deformation and achieve complete valve closure.

A dual anchor-tube suture pattern secures tissue or bone repair while reducing bulk, improving maneuverability, and avoiding multiple large holes.

Paired coronary sinus and annulus anchors plicate the tricuspid annulus percutaneously to improve leaflet coaptation and reduce regurgitation.

Preformed channels and preloaded sutures help retain a blood clot between tissue ends, supporting faster healing in tendon and ligament repair.

Contoured volar radius plates with mixed fasteners and bone-sparing recesses improve fracture fixation while reducing stress concentration.

An anchor and tether reposition the anterior mitral leaflet during valve implantation to prevent SAM, limit LVOT obstruction, and maintain blood flow.

Catheter-delivered adjustable mitral prostheses use tethers and locking to restore valve competence while preserving leaflet motion and reducing invasiveness.

Barbed needle-driven fibers anchor a felt patch across a broad tissue area, reducing suture pull-out, elongation, and gap formation.

Fiber implants at the tendon-bone interface improve initial fixation and promote osteoinductive bone growth for longer-term repair stability.

A dual finger-trap suture construct enables multianchor tissue fixation with one inserter, cutting instrument exchanges, time, and trauma.

An articulated suture head and arced needle drive improve MIS needle control, visualization, and protection against needle sticks.

Parallel shape-memory control units let a suture needle bend around blocked tissue paths while keeping a small diameter and precise form control.

Automated suture threading through prosthetic valve sewing cuffs cuts bypass time and reduces manual handling in minimally invasive surgery.

Leaflet-engaging projections and an integrated sealing member help percutaneous mitral valve replacement resist migration and paravalvular leakage.

Beating-heart tether adjustment lets an annuloplasty ring fine-tune papillary muscle relocation and reduce recurrent mitral regurgitation.

Mechanical friction in a two-member adjustable loop secures soft tissue to bone without knots or intermediate fixation members.

A flexible vacuum catheter grips moving heart tissue to create a stable surgical target with less invasive access and lower blood loss.

Integrated open jaw channels guide cables around bone without a separate passer, reducing tissue disruption and instrument exchanges.

A bone-referenced adjustable drill guide forms repair tunnels without MRI-based planning, improving meniscal root repair alignment and workflow.

Carbon nanotube fiber wiring bridges impaired cardiac tissue to restore signal conduction, reduce conduction time, and help prevent arrhythmia.

A catheter-based heart anchor system uses tension feedback and precise wall engagement to reduce ventricular volume and wall stress.

A battery-free osseosurface implant uses NFC power harvesting and ceramic anchoring to monitor bone strain and load over extended periods.

Strategic multiport robotic arm placement enables orthotopic heart transplant anastomoses with less trauma than sternotomy.

A movable-gate suture crimp locks leaflet sutures at proper tension during beating-heart valve repair, reducing trauma and regurgitation.

Separated tubular conduits isolate suture paths to reduce crimping, friction, and breakage while maintaining secure bone fixation.

Radial anchor expansion and threaded bone engagement help maintain suture tension and reduce loosening in tissue-bone fixation.

A movable-arm needle loader uses interference fit, alignment features, and indicators to safely transfer arced suturing needles in tight surgical spaces.

Preloaded transfer sutures and finger trap splices create reducing loops that secure soft tissue to bone without knot interference.

A threaded bone screw and compression sleeve apply controlled fracture compression and countersinking while reducing soft-tissue irritation.

A trigger rack-and-pinion mechanism improves tissue anchor placement and suture tension control in minimally invasive heart valve repair.

Linear-to-nonlinear anchor inserts expand inside bone holes to improve pull-out strength and secure soft-tissue fixation.

A compact rotating arc-needle mechanism enables full 360° endoscopic suturing with simpler transmission, better visibility, and use in confined spaces.

Magnetically linked beads in a 3D-printed unibody housing help keep the esophageal opening closed against reflux while still allowing food passage.

A hinged rib and nested shaft structure opens after insertion to pass sutures through trocar layers and improve closure in large patients.

A guided thin-walled sleeve deploys soft anchors through small bone holes, improving fixation reliability without depending on bone quality.

A curved cannula keeps the needle guided and contained, enabling repeat dural suture passes without reinsertion or nerve-facing deployment.

A fixed loop-forming and positioning structure keeps the suture loop stable despite body fluids, enabling reliable knot tying.

An electromagnetic suturing mechanism and reinsertion sheath let endoscopes return to the target site without re-navigation, cutting procedure time.

Adjustable eyesplice loops and a knot stack lock grafts in bone tunnels with higher fixation stability and lower cyclic displacement.

A differential rotation mechanism coordinates suture and return arms to pass and retrieve needles in tight endoscopic or arthroscopic spaces.

A guided needle path and tissue approximation enable secure hollow-organ suturing without full-thickness penetration into the lumen.

A braided collagen-polyethylene scaffold balances ligament-strength support with tissue remodeling to improve tendon and joint repair healing.

A pre-knot and sliding loop mechanism improves minimally invasive suturing by securing knot quality, cutting knot-tying time, and reducing contamination risk.

A fulcrum-guided button inserter flips and places fixation buttons on bone cortex without pull-through sutures, reducing soft-tissue entrapment.

A piercing tip preloaded with an anchor forms the bone hole and deploys fixation in one step, easing insertion through elastic cortical bone.

Spaced anchor portions and a wider force-dispersing sheath secure meniscal repair while reducing suture implant tear-through.

Using ePTFE and biocompatible anchors, this case shows how sling implants reduce infection, tissue damage, and removal difficulty.

A winged retention anchor and compressible collar secure the cannula to tissue, preventing retropulsion and over-insertion during surgery.

An elastic locking assembly restrains the catheter suture needle until deliberate release, reducing misoperation and cardiac tissue damage.

A fixation device applies incremental tension and compression to soft tissues using a rotating disc mechanism.

A flexible band implant anchors bone segments via a button and plug lock mechanism.

Segmented locking functions resolve the contradiction between securing shank orientation and enabling rod insertion in spinal fixation systems.

Assembled volume filling device segments invaginate the stomach wall to reduce food cavity capacity.

Segmented self-retaining sutures use marked sections to indicate retainer orientation and tension, reducing procedural time.