Suture Equipments TRIZ Cases

A curved suture passing device pierces tissue and captures a monofilament loop to pass sutures through the hip capsule.

A spinal collar pivots on a pin to align with a screw, allowing a fastener to bias the rod against a domed head for uniform seating.

An absorbable iron-based instrument uses a zinc-containing protector and degradable polyester to maintain structural integrity during implantation.

Positioner stabilizes pivoting retainer to prevent misalignment and unintended disengagement during snap-on connection.

A pursestring suture retractor device reshapes heart tissue to enable secure suture placement in confined surgical spaces.

Preformed curves in a double-curved cannula guide thread paths along natural face shapes, resolving straight cannula limitations.

Integrating illumination into the suture structure enhances contrast against tissue, resolving visibility constraints in dark or color-matched regions.

A self-guiding surgical bone fixation screw uses a threadless elongated end segment to enable precise insertion through smaller incisions.

Rectangular cuboid-based protrusions with pyramidal tips on an implant surface mechanically interlock with tissue, eliminating the need for sutures or staples.

A swiveling suture passer system enables precise tissue suspension through anatomical landmarks.

Flexible shape memory legs deploy from an endoscope to engage tissue and close luminal perforations.

A polyaxial bone screw assembly uses a V-shaped inner housing to secure spinal rods of varying diameters.

A surgical clamp device uses pins connected by a wire to allow separation into two parts for easy extraction.

Identical thread pitch on the implant screw shaft and head prevents compression effects that displace bone segments during tightening.

A surgical anchor driver uses a guidewire and resistance element to seat the implant in bone.

Controlled porosity in expanded polyethylene filaments prevents shredding and fraying while maintaining structural integrity for durable dental floss.

A spring loaded self locking reversible anchor converts drive force into axial translation and compression forces.

A block and tackle mechanism multiplies proximal force to compress an anchor and collagen sponge across a tissue puncture.

Uniformly dispersed inorganic micro-nanoparticles within a thermoplastic matrix enable high additive content without clustering during extrusion.

Segmented tubular anchor with threaded exterior simplifies manufacturing of biodegradable devices while maintaining bone fixation strength.

A suture tracking dilator follows a pre-attached guide to locate implanted microdevices.

Embedded jaw sensors enable precise tension measurement, resolving the trade-off between clinical precision and device complexity.

A force-limiting delivery mechanism deploys an expandable anchor to secure the labrum while minimizing tissue trauma and preventing cartilage damage.

An endoscopic suturing device switches between low profile and deployed orientations to enable minimally invasive gastric procedures.

Foldable anchor wings unfold inside fibrocartilage to prevent turning or moving back, reducing surgery complexity and foreign body sensation.

Pre-formed loops on a knotless bone anchor eliminate surgical knotting, reducing complexity while maintaining reliable tissue fixation.

Atrial tether connector shortens valve length to prevent left ventricular outflow tract obstruction.

Flexible tissue retractor maintains airway patency during sleep through localized counterforce application.

Pre-positioned knots engage needle penetrations via tissue elasticity, eliminating manual knot-tying and reducing procedural time.

A self-locking strap system advances through tissue to close defects with precise tension.

A knot delivery device with a pre-configured knot and suture snare secures sutures efficiently.

A suture passing drill with a narrowed shaft segment creates a single bone tunnel for efficient suture anchoring.

Segmented collar design clamps heart wall to secure prosthetic valves, reducing paravalvular leakage.

Sliding locking suture anchors tissue defects without protruding knots that interfere with joint movement.

Segmented anchors engage muscularis layers via local quality differentiation, preventing tissue damage during rapid endoluminal plication.

A flexible orthopedic implant uses a curable material to harden after placement.

An integrated apparatus combines traction, ligation, and fixation devices to secure stomach wall folds while minimizing tissue injury risks.

Frangible points in a barbed suture allow selective severing for dynamic stretching, resolving the trade-off between stable closure and tissue elasticity.

A coracoclavicular fixation tool connects the clavicle and scapula to stabilize the acromioclavicular joint during ligament healing.

An integrated needle attachment on a suture anchor eliminates external instruments, reducing surgical steps and infection risk.

Segmenting the continuous line into separate components creates a passageway for looped cords, enabling single-user suture preparation.

A medical implement forms intersecting bone bores to create a secure suture attachment surface without anchors.

Segmenting the anchor into proximal and distal bodies with expansion wings increases fixation strength despite reduced surface area in smaller anchors.

A medical ligature device uses a removable pledget placed between the needle and tissue to ensure precise suturing during endoscopic procedures.

Converged drill holes secure a reinforced biceps tendon with an external button, minimizing gap formation and optimizing biomechanics.

A movable sleeve blocks blood flow through a carrier tube lumen, eliminating sheath exchange requirements and reducing infection risks during vascular closure.

A cervical anchor and curved needle suture system stabilizes tissue during gynecologic procedures.

A motorized suturing instrument drives a needle along an orbital path to automate tissue penetration and suture deployment.

A ligament implant uses a circumferential groove to concentrate stress and trigger controlled fatigue failure at a predetermined breakaway point.

Parallel channels vent excess pressure during material injection, preventing fat embolisms and hypertension in bone procedures.