Surgical Robots TRIZ Cases

Integrated rotating shaft assembly repositions multiple surgical instruments without detachment, resolving trade-offs in narrow occipital regions.

Universal receiver assembly accepts multiple clip sizes while a dynamic pawl-ratchet mechanism ensures reliable deployment without manual intervention.

Articulated drive elements span the joint mechanism to transmit tensile and compressive forces uniformly through the pivot region.

Automated drive control adapts the surgical arm to trocar variations, eliminating manual adjustments.

Belt-driven pulley system articulates surgical loading unit while protecting knife shaft from bending moments and shear forces.

Multi-planar articulating shaft assembly enables six degrees of freedom in ultrasonic surgical instruments.

A segmented actuation element guide uses twisted channels to conserve path length during wrist articulation.

Separating the translational closure motion from rotational clocking resolves the contradiction between engagement continuity and mechanical complexity.

Biasing members drive retention tabs outward through fixture slots to prevent inadvertent decoupling under tensile loads.

A biasing member advances a lockout plate into the firing chamber to block the drive, preventing accidental firing of empty cartridges.

A repositionable frame with links and a counterbias spring manages clamp beam spacing for controlled deployment.

Lockout assembly mechanically constrains the rotary drive member to prevent unintended firing of a spent staple cartridge.

Angled cam tracks on independent jaw members convert axial motion into parallel closure, reducing manufacturing costs and reaction loads.

An elastic member returns a release member downward to automatically retrieve floating staples, preventing loss and improving surgical safety.

Articulated drive elements replace cable strands to ensure uniform force transmission through the pivot region, resolving lifespan and cleaning limitations.

Simultaneous precession and rotation in an off-axis rotary tool reduces reactionary forces on surgical robots during orthopedic reaming procedures.

A deformable sealing ring and movable belt cover parallel tracks on a catheterization robot, preventing pollution when the drive component shifts position.

Segmented drive mechanisms with nested joints resolve trocar space constraints while maintaining precise surgical control.

A push-pull stapler uses a two-degree of freedom wrist to enable independent pitch and yaw movements for precise surgical manipulation.

A surgical stapling assembly uses 3D-printed components with embedded metal substrates to create interlocking features within plastic bodies.

An integrated concentric shutter decouples tool geometry from positioning accuracy, resolving centering uncertainty for irregular surgical instruments.

Non-uniform curvature in proximal forming pockets distributes closure forces, reducing anvil flexure and firing force while preventing staple buckling.

A surgical end effector uses a movable distal portion to slide staple cartridges into the jaw channel.

A medical fastening adapter uses geometric coupling structures to secure instruments.

Integrated power cell supplements continuous source during peak loads, reducing electrical shock risk and transmission complexity.

Segmented inner links constrain lateral movement to prevent buckling during high yaw and pitch angles.

An active portal extension maintains alignment during instrument exchanges, resolving software-based RCM misalignment issues.

A medical manipulator aligns a multi-degree freedom arm to maintain an insertion port position for precise instrument orientation.

A surgical stapling instrument integrates a pivotable knife within the cartridge assembly to cut tissue after staple ejection.

Biasing elements and movable pulleys in the drive assembly prevent slack and maintain tension, ensuring precise actuation without complex active control.

A robotic craniotomy drill uses conductance measurements to detect skull breakthrough during automated drilling.

A surgical clip with a universal engagement portion enables robotic arms to grip and retract tissue.

An oscillating surgical tool prevents fibrous material from wrapping around the cutting head, eliminating soft tissue damage during bone removal.

An adapter assembly employs a button-actuated locking member to prevent inadvertent rotation of the end effector during surgery.

Parallel input members in a medical manipulator drive unit advance to attach surgical tools, reducing detachment time for sterilization.

A mechanical transmission system amplifies actuating movements along a shaft to resolve the trade-off between wrist-like dexterity and tip stability.

Angled clip packing and dual feeders store multiple surgical clips in a tapered distal housing, increasing capacity without enlarging the articulating wrist.

A rotating slide enables an instrument drive unit to move along a track and actuate electromechanical surgical instruments.

Magnetic actuation eliminates cable backlash and complexity in wire-type surgical devices, enabling precise multi-degree-of-freedom motion.

A robotic surgical clip applier uses a camming assembly to feed and form clips within jaw members.

Segmented spherical components expand the range of motion within trocar cannulas while maintaining precise control over drive systems.

Shape-engineered elastomeric microtubes enable multi-turn inward spiraling motion for non-damaging manipulation of fragile micro-objects.

A changing device automates surgical instrument exchange using a linear guide and carriage system.

Mechanical pre-loading retracts the knife during power loss, resolving reliability risks without active control.

A rotating end effector assembly with independent clamping element rotation overcomes limited articulation in robotic surgery by enabling six degrees of motion.

A multi-degree-of-freedom flexible surgical instrument uses a continuous body structure with independent structural backbones and a motorized driving unit.

Opposing cam slots in an adapter assembly translate elongate shafts to articulate a surgical loading unit while preventing premature knife activation.

Contingency holes align robotic bone preparation with manual cutting guides, resolving mid-surgery system failure risks.