Suture Equipments TRIZ Cases

Segmented filaments distribute stress across a braided structure, eliminating knot-tying bottlenecks while maintaining high holding strength.

Rotating second body portion twists suture through flexible loop to eliminate stress points from knot tying in minimally invasive procedures.

A magnetic tissue approximation device couples internal and external flexible sheet members to capture body tissue between aligned working windows.

A bone anchor integrates a threaded protrusion recess to retain fiducial markers directly within the device structure.

A knotless surgical construct uses a tensionable spreadable web to bridge soft tissue to bone.

Omega cavities in the intermediate bone block capture tendons effectively, preventing slippage and maintaining graft stability.

A deformable pushing tool aligns its shaft and pressing portion for insertion, then maintains a fixed angle to invert hollow organ tissue.

A knotless suture anchor uses a rotatable shaft with pawl and teeth to lock tension.

Variable width needle slots adapt suturing depth to different tissue thicknesses while maintaining device simplicity.

Radial arm elements compress tissue within a channel to resolve the contradiction between reliable hemostasis and high device cost.

A sternal closure system uses a bone punch tool to create an arcuate hole for guided needle insertion.

Covalent bonding of chemotactic agents to non-biodegradable substrates overcomes poor tissue ingrowth in implantable devices.

Curved guide bodies and angled prongs maximize pull-out resistance while minimizing tissue penetration depth.

Apertures anchor a multifilament implant loop while detents lock the rod, reducing manipulation difficulty during bone repair.

Segmenting the anchor into distinct functional segments allows a restraining element to lock implants, preventing displacement during valve repair.

A driver with a non-circular needle opening positions a flexible strand through bone tunnels to secure soft tissue.

A surgical tool with a recess and piercing mechanism positions an artificial urinary sphincter cuff.

A flexible tension member secures odontoid fragments via a rotating anchor block.

Dual-arcuate needles rotate about distinct axes to position absorbable anchors, resolving positioning constraints in laparoscopic mesh fixation.

A helical coil draws tissue through an opening while changing orientation by 45 degrees to separate adhesions before fastening.

A suturing device uses an elliptical cone structure and a needle guide cavity to position tissue for precise suture passage.

Slotted openings allow fixation member translation during subsidence, distributing load to bone graft and promoting fusion.

A braided suture combines ultrahigh molecular weight polyethylene with a collagen coating to enhance tissue interaction.

A tissue securement system uses an echoendoscope to guide a ligation element through the esophageal wall and into the stomach fundus.

Independent handle pivoting resolves ergonomic strain by allowing surgeons to adjust grip orientation without altering the end effector's functional state.

A spinal fixation retaining element uses a crimping portion and concave surface to secure bone anchors, resolving loosening from vibrational forces.

Extending blades incise bone and cartilage to anchor sutures, enabling secure joins in confined arthroscopic fields.

A double-pointed surgical needle uses a recess to securely attach filaments via adhesive or welding for easier tissue penetration.

A heart anchor lead secures a motion sensor between two distributed anchors, reducing sliding noise and improving measurement precision.

A passing instrument with a shape memory element deploys around bone structures to carry suture constructs.

Rotary twisting and heating elements fuse tension-free sutures, reducing procedure time and patient pain during laparoscopic hernia repair.

Tethered spherical magnets rotate to align with force vectors, stabilizing tensile failure modes and preventing tissue injury during endoscopic dissection.

A tube-based instrument applies continuous purse-string sutures to treat prolapsed hemorrhoids.

Nested locking elements reduce the outer diameter of spinal bone anchoring devices, enabling secure rod fixation in limited cervical spine spaces.

Anchors compress and retract prostatic lobes to improve urinary flow.

Pivotally connected jaws enable simultaneous tissue grasping and suture passage through small portals, reducing device complexity.

Segmented shaft angles enable single-stroke suture placement in hard-to-reach peripheral tears, reducing surgery time.

A segmented suture anchor with an axial bore allows tendon passage through the device body rather than requiring a traumatic incision.

A graft anchor uses a resilient bridge to pivot arms, enabling secure insertion into bone tunnels.

An internal suture path eliminates inverted external stitching, reducing bleeding and knot loosening while enabling secure hemostasis with external knots.

A coil mechanism tamps a sealing plug toward an anchor during withdrawal, preventing proximal displacement and ensuring reliable vascular closure.

A segmented endoscopic treatment tool uses independent main and auxiliary manipulation parts to control tissue-fastening components.

An inverted prosthetic mitral valve frame collapses for transatrial delivery, resolving open-heart surgery morbidity.

Segmented links and wires enable the needle tip to navigate complex knee anatomy for comprehensive meniscal tear repair.

A modular surgical hub combo generator module consolidates ultrasonic and radio frequency energy sources into a single integrated unit.

Inclined suture-penetrating part on arc-shaped beads minimizes friction during discharge, preventing waste and verifying placement via side suction cap mirror.

A hand-held suturing device uses a rotatable drive rod to turn interchangeable needles for continuous stitching.