Surgical Staples TRIZ Cases

Segmented shaft geometry and motorized firing mechanisms enable precise tissue stapling in confined surgical sites.

A spring member separates buttress layers to resolve the contradiction between reliable sealing and efficient removal.

Segmented retainer tabs prevent adjunct dislodgment during shipment while enabling easy post-surgery removal.

A surgical instrument uses a cammed articulation gear to position an end effector at discrete angular increments relative to the shaft.

A laparoscopic device aligns tissue edges using spreader components and graspers.

A fastening member secures a buttress member to an annular wall aperture, resolving positioning difficulties during circular anastomosis procedures.

A brachytherapy delivery device integrates a carrier line and stylet to advance radioactive seeds alongside a buttress element for simultaneous placement.

Interlocking pipe portions with elastic horn-shaped openings align intestinal segments, reducing leakage risk and simplifying laparoscopic procedures.

Nested camming linkages pivot the jaw assembly relative to the shaft, resolving precision constraints in confined endoscopic spaces.

A resilient drive member rotates a surgical tool assembly via elastic deformation to enable large-angle articulation.

Articulated applicators position buttress assemblies on stapler jaws to prevent tissue tearing and bleeding during surgery.

Radially expanding biodegradable compression rings anchor tissue to form anastomoses, reducing leakage risks associated with complex stapling devices.

Snap-connectable anastomotic rings align via guide wire seats, reducing invasiveness and improving surgical precision.

A surgical fastener cartridge integrates a compressible tissue thickness compensator and a gap setting element to control anvil positioning.

A circular stapling instrument separates staple formation and tissue cutting into independent strokes using a snap ring coupling mechanism.

A single pusher actuates alignment, clamping, and stapling plates in surgical devices.

A two-part tissue thickness compensator assembly connects to a surgical stapler staple cartridge via a hinge mechanism.

Nested buttress mount positions reinforcing material inside knife member lumen to prevent anastomotic leaks and tissue tears during stapling.

A surgical stapling instrument uses resettable staple drivers and a cartridge driver to advance multiple staple cartridges sequentially within the shaft.

A manual lever retracts the firing shaft via gear engagement, ensuring tissue release when motor failure prevents automated stapling.

Angled cam pushers in a compact loading unit enable fastener ejection within a 5 mm diameter for pediatric surgeries.

Wedges engage pull tabs on a feeder belt to advance staples, eliminating cartridge exchange delays during minimally invasive procedures.

An articulating link with a mechanical interface prevents reload disengagement during tool assembly articulation, maintaining connection reliability.

A drive assembly actuates a release mechanism to detach anchors securing a surgical buttress from an anvil or cartridge.

An elastic spine assembly and segmented anvil distribute energy to reduce stress concentrations, preventing damage during the staple-firing stroke.

A circular stapler deck uses recessed stand-off features to enhance tissue engagement during actuation.

Segmenting the drive shaft into disposable loading units reduces manufacturing costs while preventing unintended actuation of the pivot mechanism.

A tissue thickness compensator redistributes compressive forces via a compressible core to ensure consistent staple formation.

Compliant anvil and cartridge surfaces adapt to non-uniform tissue density to ensure uniform compression, reducing trauma from uneven force distribution.

Retainer constrains shape memory implant to prevent premature activation and enable controlled energy delivery for bone fusion.

This surgical stapling apparatus uses a mode selection switch to separate clamping and deployment phases, enabling efficient tissue manipulation through small minimally-invasive access ports.

Segmented nested tubes prevent buckling during actuation, allowing the flexible shaft to bend in multiple planes for better tissue access.

Composite adjunct layers distribute mechanical stress across delicate tissues, preventing tears and leaks at the staple line.

A rotating anvil support mechanism clears internal tissue within circular stapling instruments, ensuring a tubular passage free of obstructions.

Arcuate jaws with inward teeth prevent slippage during manipulation, reducing surgical time.

Guiding ramps and lug systems enable precise mounting of the loading unit, resolving trade-offs between secure engagement and operational ease.

Inclined cam surfaces on the tapered distal end align staple apertures with forming pockets, preventing misalignment during actuation.

A surgical fastener uses thermally expanding prongs to pierce and appose tissue layers.

A surgical stapler integrates a stent mounting rod with a coated stent for lumen distraction.