Suture Equipments TRIZ Cases

Integrating a blade on forceps arms eliminates switching between instruments, reducing procedural complexity during suture management.

A bi-directional suture passing instrument uses a rotating needle mechanism to detachably couple and decouple the shuttling element.

Inflatable compression rings reinforce stapled tissue, preventing post-operative leakage and infection in colorectal anastomoses.

Segmented transmission means with self-aligning coupling pieces enable tool-free disassembly of the endoscopic stitching machine for effective sterilization.

Flexible centering arms enable in situ retrieval and redeployment, resolving loading precision and procedural time trade-offs.

Barbed suture devices restore paraurethral support to stabilize the urethra and improve continence outcomes.

Longitudinal movement of the inner member activates expandable prongs to anchor in cancellous bone, resolving reliability issues during arthroscopic procedures.

Rotating helical needles drive sutures through tissue via friction, resolving the trade-off between manual reliability and mechanical speed.

Extragastic stomach plication instrument reduces effective volume by folding external gastric walls with suction, avoiding internal stapling risks.

An anastomosis clip with integrated suture guides enables precise intracorporeal suturing through a single introducer device.

Segmenting the button and post resolves the trade-off between arthroscopic ease and shear stability.

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

A bipolar forceps pivots jaw members about a living hinge using a cam pin engaging a slot within an actuation tube.

A laminoplasty implant with a deformable portion expands in situ to increase spinal canal size without pre-measuring.

Segmented wire anchors expand into loops for reliable locking, resolving the trade-off between simple delivery profiles and secure anchoring capability.

A dynamic spinal rod uses a tight casing to connect shank and stay components for structural integrity.

Spatial anodization creates distinct clearance and pressure flank properties, balancing bone bonding strength with controlled biodegradation timing.

Independent polyaxial washer and seat joints allow precise rod alignment across varying spinal curvatures.

A medical ligature tool holding member engages a cutting member to enable reliable retrieval after wire severance.

A laminoplasty rod system uses a polyaxial bone screw assembly to allow variable angulation and rotation of the spinal lamina.

Oblique suturing heads improve surgical access by angling the needle track, reducing ergonomic strain on surgeons.

A flexible spinal member combines an inner elastomer and outer fabric layer to provide controlled stability.

A flexible spinal rod transitions mechanical load from rigid fixation points to adjacent vertebrae through controlled bending compliance.

Asymmetric D-shaped anchor and instrument interfaces eliminate loose rotational engagement, reducing shear stress during spinal stabilization installation.

Telescoping suture anchors expand radially to increase footprint, solving the trade-off between small delivery profile and strong bone fixation.

Segmented anchor delivery system reduces annular diameter and prevents leakage by connecting discrete anchors via pledgets.

A bone anchor element with a continuous hollow space guides suture threads through transverse holes for versatile surgical deployment.

A clamping element uses spring elements to bias opposing jaws, enabling rapid fixation of multiple rod-shaped bone pins.

Catheter delivers nested anchors through the left atrium to secure sutures, restoring mitral valve function without open-heart surgery.

A pull wire slack section absorbs proximal movement to maintain distal stability during microcatheter navigation.

One-way locking ferrules tension and secure cardiac valve sutures, eliminating knot slippage risks while reducing procedural time.

A needle driver incorporates a rotatable shaft and ratchet mechanism to reduce surgeon fatigue during suturing.

A suture device uses shape memory material to transition between configurations and secure tissue flaps without manual knotting.

A surgical assembly with a tissue-penetrating guide element and retrieval device for precise implant positioning.

Segmented sheath geometry with an angled suture guide slot reduces cutting force and minimizes accidental exposure while maintaining blade protection.

A suture securement device uses a movable wedge member to clamp medical sutures, preventing tension loss under force.

Rigid walls anchor to vertebrae to limit pivot movements, reducing pain while preserving natural spinal biomechanics.

A surgical closure device uses a sacrificial layer to prevent displacement under drapes while applying controlled tissue forces.

A needle driver grip uses shifting rollers to grasp sutures and drive needles through a single mechanism.

Pre-formed knots on the suture strand enable immediate tissue anchoring without manual tying, reducing procedural time in minimally invasive surgery.

Contoured entrance zones eliminate dead areas between holes, preventing polymer degradation and ensuring uniform fiber strength.

An adjustable implant assembly uses a flexible elongate element and fixation device to create variable-length loops.

A suture processing machine uses ultrasonic waves and tension control to form precise cogs on medical sutures.

Hook-like member with groove engages suture thread to form a stable loop, resolving difficulty in handling threads during minimally invasive procedures.

Heat-treated magnesium alloy knots provide temporary suture security without leaving permanent foreign materials in tissue.

A ribbed graft separator guides interference screw insertion to eliminate micro-movement and ensure anatomic positioning.

U-shaped fixating device retains Kirschner wires using integrated anchoring elements to prevent loosening and migration during osteosynthesis.

Segmented tether anchors reduce anteroposterior diameter and leaflet stress by restoring the mitral annulus saddle shape.

Barbed filaments on a surgical mesh provide radial support and prevent retreat, addressing positioning instability during hernia repair procedures.