Surgical Staples TRIZ Cases

A grasping pawl switches the tool assembly between clamping and grasping modes to improve tissue access.

Segmenting the instrument into reusable and disposable parts enables waste reduction while maintaining secure attachment through elastic deformation.

A surgical stapling instrument uses a cable-driven knife assembly with an actuated closure ring for precise tissue manipulation.

A surgical tilt anvil assembly uses a pivotally secured head and tensioning suture to enable controlled position transitions.

Locking member with teeth engages mounting assembly notches to prevent straightening during firing.

Rotatable drive member advances an I-beam via a linkage system to enable tool assembly articulation.

Electromagnets pivot surgical end effectors via magnetic fields, eliminating dual-handed manipulation requirements.

Inflatable pusher bags eject staples sequentially, enabling adjustable staple line length beyond fixed cartridge limits.

Porous hydrophilic polymer absorbs fluid and swells to seal gaps, preventing air or fluid leakage from delicate tissue staple lines.

A reloadable cartridge assembly positions staple formation pockets within 6 millimeters of the distal end to enable precise surgical placement.

An elastic anastomosis device connects intestinal walls through uniform radial compression and dynamic expansion.

Pre-formed tissue pockets in stapling jaws capture and retain biological material, preventing migration from the stapling area under compressive forces.

Elastomeric mounting structure secures annular buttress material to circular staple cartridge assemblies.

Heat-activated glue beads within a fibrin pad matrix provide immediate adhesion and hemostasis, resolving insufficient tissue sealing in endoscopic staplers.

Angled anvil forming pockets align staples to resolve the trade-off between staple formation precision and leg breakage risk near the tissue stop.

Concentric buttress components secure within the anvil and staple cartridge to prevent anastomotic leaks and tissue tears.

A linear cutting stapler uses a positioning pin and slot system to allow single-handed lifting of the device for tissue re-location.

Segmenting the handle and loading units reduces manufacturing costs while maintaining operability through universal interfaces.

Camming surfaces convert linear motion into precise staple ejection, preventing misalignment and tissue damage during deployment.

Segmented adhesive layers prevent staple pull-through and tissue tearing in surgical staplers.

Segmented attachment points distribute load across the buttress, resolving reliability versus complexity trade-offs in stapling assemblies.

A rotary knife blade driven by a mainspring releases via a latch mechanism to slice through wayward staples and tough tissues during anastomosis.

Resilient arms on the locking collar enable detachment of the circular stapling shell assembly, resolving single-use disposal constraints.

Nested hydraulic cylinder and piston rod drive tissue clips from storage to work position, resolving device complexity constraints in confined spaces.

Segmented retainers engage jaw recesses to secure buttress material, preventing tears and pull-through during tissue stapling.

A surgical stapling anvil buttress loading unit integrates a clip and release strap to secure tissue reinforcement materials.

A segmented endoscopic system allows interchangeable end effectors on a fixed shaft, reducing incisions and tissue damage.

Interchangeable buttress assemblies use parallel adhesive layers with matching transverse profiles to prevent staple pull-through and tissue tearing.

Male and female clearance features allow an adjunct material to move parallel to a jaw surface, preventing displacement and minimizing leaks.

Segmented retention and follower mechanisms resolve the contradiction between reliable suture attachment during stapling and easy post-procedure removal.

Knife blades break welds joining buttress material to the cartridge, reducing firing forces and eliminating secondary mounting structures.

Multiple surface finishes on wedge sled align staple drivers, resolving precision-complexity trade-off for secure tissue closure.

Relocating interlock components to detachably mounted loading units simplifies surgical device maintenance.

An intermediate flex circuit portion remains folded and relaxed as the end effector articulates, maintaining consistent effective length without strain relief.

A surgical stapling device with a grasping jaw mechanism alternates between tissue manipulation and clamping modes via a mode selection switch.

Continuous suture secures surgical buttress to cartridge and anvil assemblies, resolving complex attachment mechanisms while preventing tissue tears.

A staple push unit replaces friction cams with a gear and rack mechanism to stabilize ejection precision and reduce component wear.

Segmented trigger mechanism reduces actuation force and allows jaw repositioning before staple deployment.

Segmented cartridge assemblies replace worn cutting knives to maintain sharpness, resolving the trade-off between device complexity and surgical reliability.

A spring cage centering mechanism aligns longitudinal axes within a surgical adapter joint assembly to ensure uniform drive shaft rotation.

A surgical adapter assembly uses a nested bearing mechanism to transmit rotation into axial translation between connected components.

Variable-length pusher fingers dynamically adjust to cantilevered anvil deflection, ensuring uniform staple formation while minimizing firing forces.

Oblique head and anvil surfaces create elliptical staple lines that reduce lumen stress during anastomosis.

A contractible attachment feature transitions from an expanded to a contracted configuration under heat to secure adjunct materials on surgical end effector jaws.

A surgical stapling assembly uses angled staple cavities and triple drivers to balance tissue compression with reliable firing performance.

Notched calcium alginate rings reinforce anastomoses while maintaining flexibility to prevent postoperative stenosis.

A staple cartridge assembly uses a support member within a longitudinal slot to transfer forces from a sled for reliable staple deployment.

Segmentation and preliminary action principles resolve clamping reliability issues by locking the cartridge before staple ejection.

Electrical detection replaces mechanical methods to resolve measurement precision issues caused by material compression during anastomosis procedures.

Compressible foam covers mesh grip members to enable controlled tissue attachment, resolving unpredictable dissolution and entanglement issues.