Surgical Staples TRIZ Cases

Near-net MIM with HIP and selective machining gives surgical stapler knives precise tolerances, lower waste, and reduced sliding wear.

A multi-diameter shaft and articulation joint improve thoracic stapler positioning through narrow rib spaces while reducing tissue trauma.

Near-net MIM plus HIP forms surgical stapler knives, with machining only critical features to cut waste, cost, wear, and tolerance issues.

Metal injection molded anvil heads with coined or electrochemically machined pockets improve staple formation consistency and reduce leak risk.

Separating the anvil head and shank enables MIM plus machining to form precise staple pockets for consistent sealing and reduced leakage.

A two-piece anvil with polished ledges and welded assembly improves tissue gap control, staple consistency, and cutting reliability.

Near-net-shape MIM with HIP and selective machining gives surgical stapler knives tight tolerances, lower waste, and reduced cutting force.

Discrete distal tip locking lets a surgical stapler pivot between set positions, improving visibility, tissue engagement, and multi-fire marching.

Pulsed motor control advances the stapler cutting edge in timed bursts, improving cutting precision while limiting tissue trauma.

A lockout member blocks drive assembly advance when the actuation sled is absent, preventing misfires and incomplete tissue stapling.

Fluid-driven piston actuation ejects annular staples through a flexible shaft, improving access for endoscopic stapling in hard-to-reach colon areas.

A trigger-actuated pinching and folding mechanism deploys bioabsorbable fasteners below the tissue surface to close short incisions with less trauma and bleeding.

Detachable driver stages separate jaw closing from staple firing, shrinking stapler structure and improving access and tissue handling.

A double-hinged bar guide and ramp let a surgical stapler articulate up to 50 degrees without drive beam advance, reducing dead space and buckling.

Asymmetric staple hole walls improve staple release from the cartridge cover while preserving tissue accommodation and staple formation.

A movable shifter gear lets one adapter assembly switch between end effector rotation and articulation, cutting stapler complexity and cost.

A cartridge-actuated lockout blocks stapler firing until a compatible staple cartridge is fully seated, preventing empty firing and poor staple formation.

A translating cam-and-channel mechanism keeps surgical jaws aligned and lowers opening friction after clamping, improving stapling and cutting accuracy.

A shifter gear switches between rotate and articulate modes, simplifying powered stapler end effector control while improving reliability.

Indexing apertures in a corrugated staple strip auto-reload fresh staple rows after each firing, reducing manual reloads during surgery.

A slitted knife slot and sharp-edged center rib extension fully split the implantable adjunct during retainer removal, avoiding procedure delays.

A pivoting jaw assembly simplifies clamping and stapling in tight trocar spaces while preserving reliable tissue positioning and staple deployment.

A pusher and retainer mechanism spreads bone plate legs without body openings, enabling one-end insertion and preserving plate strength.

Sequential first and second firing stages let one radial stapling assembly complete large tissue resection with less device exchange, time, and trauma.

A movable and fixed brake lock the articulated stapling tool during clamping to stop twitching and keep staple firing precise.

A resilient anvil-opening mechanism and articulation section improve stapler positioning, tissue sealing, and cartridge replacement in surgery.

A flexible stapling cartridge navigates tortuous anatomy and can be removed through the device channel to reduce tissue trauma.

A lever wire and temporary immobilizing structure help visualize the target tissue and secure accurate suturing when lesions obscure position.

Varying inner and outer cartridge wall widths distributes compressive load to reduce deflection, twisting, and staple misalignment.

A lockout mechanism blocks firing until the anvil and cartridge are fully latched, preventing malformed staples and poor tissue sealing.

An extended clamp member pivots the stapler jaw into a fully clamped insertion position while preserving a predetermined tissue gap.

A cartridge-linked firing lock prevents distal firing until the camming member is in its start position, supporting stable end-effector articulation.

A split cartridge with a pivoting anvil fulcrum and guided i-beam helps surgical staplers stay compact while improving staple deployment reliability.

A segmented adhesion sheet uses a covering region and interlock structure to promote tissue joining and reduce anastomotic leakage risk.

A modular stapling assembly passes through an endoscope channel to fasten tissue in tortuous anatomy while minimizing trauma and replacement time.

A rotatable, slidable actuation shaft lets one handle switch between clamping, firing, and reversing modes with less mechanism complexity and user confusion.

A rotatable lockout collar and spring block stapler firing when a cartridge is spent or absent, preventing tissue severing without stapling.

Movable grasper arms approximate and lock tissue walls in apposition, helping speed anastomosis and reduce leakage risk.

A split handle with slider coupling and limit portions blocks circular stapler firing until the handles are correctly linked, improving safety and use.

Adjustable anvil-cartridge gaps and varied staple leg lengths improve staple line consistency across tissue thickness changes and reduce leaks.

Compression strips and a compressible pad let the staple cartridge float, maintaining staple deformation and hemostasis across varying tissue thicknesses.

Multiple sled detents and interference fitments hold the stapler sled before firing, preventing premature staple ejection and tissue damage.

A motor, lead screw, and knob connector automate linear stapler firing to reduce user fatigue and improve staple formation uniformity.

A cap-mounted clip stays visible during positioning, then snap-locks closed to improve precise endoscopic tissue defect closure.

An elastic limiting unit stores energy during firing to block remounting of a used staple cartridge and prevent procedural errors.

A recessed loader with brush-like protrusions helps place stick-on tissue reinforcement on surgical staplers quickly and without peeling.

A curved tibial blocking staple with inverted teeth limits distal tibia-epiphysis spacing while reducing skin tension and healing complications.

Deck-surface projections on a curved staple cartridge improve staple formation and tissue engagement during surgical cutting and stapling.

Movable guide surfaces change staple curl radius during firing, improving formation across tissue thicknesses while reducing firing load.

A spring lets the toothed rack overshoot its loading position so articulated stapler jaws can fully open and unclamp for accurate placement.

Guided drive and driven links confine a flexible drive beam to reach 70°+ articulation while limiting dead space and buckling in endoscopic stapling.

A cap-mounted endoscopic clip enables visual positioning before snap-fit locking, improving precise and secure closure of tissue defects.

Movable jaw features control surfaces interfacing with a closure drive to transition between open and closed positions.

Adapter assembly uses a bearing assembly to convert rotary motion into axial linear force, reducing required input torque for surgical end effectors.

Motorized articulation with detent binary springs locks the end effector, resolving manual dexterity limits in confined surgical sites.