Surgical Forceps TRIZ Cases

Nested tubes in a scissor-style clamp coagulator modify gripping force, reducing operator vibration exposure during delicate procedures.

Rectangular links in a pantograph mechanism increase bending resistance without enlarging the yoke diameter, resolving strength versus accuracy trade-offs.

A surgical clip applicator uses a dual-stage trigger to rotate jaws for precise clip placement and secure closure on tissue.

A detachable pivotable jaw mechanism engages tissue with secure locking force.

Removable laminate liner shields ultrasonic surgical jaws from blade wear, maintaining tissue support capability throughout prolonged procedures.

Flexible joint and ratchet mechanism in surgical forceps allow assistants to replicate surgeon demonstrations, reducing errors during laparoscopic procedures.

Deformable washers with protrusions seat in hinge recesses to maintain angular position, preventing end effector misalignment during loading.

Disposable radiolucent retractor uses spring-loaded legs to hold tissue, eliminating metal obstruction of X-ray imaging.

Relocating pivotal supports between operation axes reduces insertion section protrusion while maintaining multi-directional movement capability.

A surgical retrieval apparatus with an articulated end effector and deployable specimen bag.

Segmented core and sheath structure enables secure catheter retention without occluding blood flow during cholangiograms.

Radial activation rings allow lateral button press for ultrasonic blade power selection, eliminating hand contortion during surgery.

An elastic connector transforms between compact and expanded states to enable multi-component surgical instruments.

Gear-driven elongate arms rotate up to 360 degrees, overcoming limited jaw opening angles in conventional forceps to improve tissue grasping.

A treatment tool uses a switch unit to vary the movement ratio between a manipulation unit and a distal treatment unit.

A rotary bearing in the shaft distal end enables tool rotation relative to the tube.

Bone-anchored distraction pins support rotatable retractor blades that adjust force vectors to prevent slippage and reduce tissue injury during spinal surgery.

Magnetically coupled implants create controlled tissue necrosis to form a reversible digestive tract anastomosis.

A reversible stiffening device switches between rigid and flexible configurations to adapt surgical tools.

An elastic push/pull member extends along the handpiece to actuate internal settings via index finger pressure while stabilizing the grip against slipping.

A reposable handle assembly engages interchangeable endoscopic assemblies to operate surgical clips via a selective ratcheting mechanism.

Nested rolling drive transmission pipe enables unlimited rotation range without increasing distal end working unit complexity.

Segmented reusable handle and shaft assemblies accept interchangeable disposable clip cartridges, resolving adaptability versus complexity trade-offs.

Gear rack articulation pivots the distal shaft to 90 degrees, resolving limited field of view access in laparoscopic procedures.

A surgical instrument locking device uses a movable unit to generate friction between body parts, securing steering articulation.

A rotatable shut-off element with a transverse plane of rotation controls the locking function of an articulated medical instrument.

Disposable shaft segments with pivotable clamp arms improve maintenance while managing device complexity through segmentation.

A surgical retractor uses a pivoting head and dual adjustment mechanisms to set precise blade angles.

A surgical instrument features a joint system that pivots the actuating device out of the surgeon's view.

Extendable arm grips capture and pull hair across wounds, eliminating sutures, anesthetics, and follow-up visits.

An articulated surgical retrieval bag deploys within the thoracic cavity to capture large specimens through a small incision.

A steerable overtube guides a clip magazine to clamp and anchor tissue edges for gastrotomy closure.

A surgical instrument uses a Cardan joint to enable independent rotational degrees of freedom for the distal tool.

Coupled actuators synchronize clamping jaw closure with cutting motion, securing severed tissue and preventing loss during surgery.

Jaw members compress tissue to remove moisture, reducing thermal spread and operative time during ultrasonic surgical procedures.

A gripping forceps with a convex jaw protruding from the rod axis to engage tissue layers.

Segmented struts enable a flexible tip to self-center on opposing sides of an implant, resolving withdrawal sway and ensuring stable control during retrieval.

Flexible drive sleeve enables independent forceps rotation to resolve dexterity limits in rigid laparoscopic instruments.

Separate pivot axes positioned laterally extend lever arms, resolving the trade-off between clamping force and structural complexity.

A shaft alignment tube guides an ultrasonic waveguide and blade into rotational alignment with a clamp arm for precise tissue treatment.

Asymmetric probe bend portion shifts center of gravity to stabilize ultrasonic vibration, reducing lateral and torsional imprecise vibrations.

Segmented pivot pins positioned beyond the center line increase lever arm length and clamping force while reducing structural complexity.

Geared clip feed mechanism with direct jaw clamping reduces device complexity and manufacturing costs while improving user feedback.

Segmented forceps hold bone fragments and screws simultaneously, reducing surgery time by avoiding extensive soft tissue peeling.

A clip body rotates around a longitudinal axis when a manipulation wire advances against a biasing force.

Dual paddle forceps compress nasal turbinates to reduce obstruction and improve sinus access.

A slip ring assembly couples a cable to an ultrasonic transducer, reducing wear and tangling during rotation.

Independent bending units for the guide and shaft reduce mutual obstruction between multiple instruments during laparoscopic surgery.

A gimbal-based adapter assembly merges linear conversion and mechanical coupling into one unit, reducing part count and assembly labor.

Textured clamps secure the slippery left atrial appendage, eliminating manual interference and reducing procedural complexity.