Surgical Staples TRIZ Cases

Coil springs in a surgical reload urge the tool assembly to a neutral position, preventing permanent deformation from side loads during storage.

A compressible adjunct with resilient nodules applies spring force to reinforce tissue, preventing staple pull-through and reducing bleeding.

An integral self-dispensing buttress in a surgical stapler releases hemostatic agents upon firing, reducing bleeding while maintaining device simplicity.

A surgical stapler end effector uses asymmetric closure attachment points to generate precise pivotal control from rotary input.

Movable anvil pockets and vertical cartridge movement adjust the tissue gap automatically, ensuring effective hemostasis across varying tissue thicknesses.

Localized anvil cap welding improves staple formation and tissue compression while maintaining manufacturing simplicity.

A compressible bioabsorbable adjunct accommodates varying tissue thickness, enabling consistent sealing and minimizing leakage in surgical staplers.

An asymmetric bushing in a surgical instrument locking mechanism ensures secure engagement and prevents unauthorized operation until proper alignment occurs.

A surgical instrument uses a flexible drive shaft to transmit motion from a motor to an articulatable end effector.

Merging articulation and rotation into a single control member reduces device complexity while enabling single-handed operation of the end effector.

Distinct compositional regions in a surgical stapling adjunct prevent plowing and staple distortion when the cutting knife passes through overlapping materials.

Segmented cantilever beams isolate retaining features from rigid side walls to control force and prevent accidental deployment.

Laser ablation creates precise staple pockets on the anvil, eliminating structural fractures and material accumulation caused by mechanical coining.

A surgical stapling head assembly uses a movable retention member to block staple drivers during insertion.

Hydraulic actuation replaces mechanical drive bands in surgical staplers, resolving power transmission inefficiencies and manual force requirements.

A hydraulic staple cartridge uses pressurized fluid to drive staples evenly across tissue surfaces.

A deformable anvil tip flexes under clamping force to deflect tissue atraumatically, resolving rigid instrument trauma and visibility issues.

A reusable surgical stapling device features a pivotally coupled anvil head and movable support members that enable tilting.

Braking assembly engages brake pads against articulation member to eliminate tremors from firing forces, ensuring precise surgical stapling.

A locking member engages a first slider to secure the closure driver before firing, then separates after actuation.

Segmented shaft joints pivot the handle to resolve ergonomic positioning constraints during endoscopic procedures.

Curvilinear thrust bar articulation reduces force required to advance the actuation mechanism along complex anatomical paths.

A surgical stapler cartridge uses a swaged outer edge to retain buttress material without secondary mounting structures.

Deck projections engage tissue while an electrical trace detects properties for precise staple firing.

Circular stapler device uses simultaneous multi-fire mechanism to reduce procedural time while maintaining connection strength.

A powered stapling device pinion disengages from a rack via a movable shaft, enabling manual retraction when power is lost.

Flexible support member prevents firing bar buckling during articulation, ensuring consistent tissue cutting.

Anvil release assembly disengages the axial drive when the cutting blade jams in thick tissue, preventing tool detachment.

C-shaped coupling feature secures slider and actuator to prevent deflection under off-centered loads during tissue stapling.

Segmented movable members attach and detach an adjunct body to ensure reliable tissue reinforcement without complex reusable mechanisms.

Ruptured implantable pouch releases medicant onto tissue, addressing uneven excision and bleeding risks from varying thickness.

Segmented pocket zones with varying radii of curvature align staple legs to resolve consistency and complexity trade-offs.

A surgical stapling apparatus uses a drive assembly to push anchor ends out of side slots, freeing the buttress material from the anvil and cartridge.

An expandable bushing section transitions from initial to stretched configuration, reducing approximation force while maintaining coupling stability.

Motorized rotation of the drive tube translates the firing rod, reducing manual force requirements while maintaining precise tissue fastening.

A circular anvil assembly secures buttress material using a snap feature and elastomeric o-ring.

Segmentation enables a reusable circular stapler by attaching a disposable loading unit through a resilient locking collar mechanism.

Hydraulic firing assembly uses fluid pressure to drive pistons, accommodating tissue thickness variations for consistent anastomosis.

A toothed rack and gear mechanism converts longitudinal motion into pivotal end effector movement within a surgical instrument body.

Resilient porous material expels liquid during jaw compression to anchor the surgical buttress, preventing shifting and staple misalignment.

A surgical stapling device injects perfluorocarbon solution through nanoneedles to deliver oxygen directly into tissue during the firing process.

A locking assembly with a pivot plate and biasing element engages an articulating tool to maintain its position during surgical procedures.

An asymmetric pivot mechanism couples surgical stapler jaws via distinct aperture geometries, reducing installation force while maintaining connection security.

Spring members in the mounting assembly restore tool assembly alignment after articulation, resolving misalignment issues during minimally invasive surgery.

Converter coupling transforms rotational drive shaft motion into expansion movement to separate and contract staple instrument jaws.

Integrated staple backspan eliminates separate pushers, enabling 5 mm endoscopic suturing without compromising reliability.

Actuating movement transmission device with synchronized counter-rotating rotary rods balances torque for surgical instruments.

An integrated pivot design eliminates through-holes in the anvil, preventing structural deformation under high clamping forces.

Elongate triangular compressible elements along the staple cartridge deck reduce the anvil gap for thin tissue, preventing movement and tearing.

A mounting tool positions a flexible ring-shaped part onto a rigid anastomotic device component.