Diagnostics TRIZ Cases

A coaxial drive mechanism transmits mechanical motion to a surgical end effector through integrated pull wires.

A moveable perineal post travels along a rail to apply controlled lateral traction to the femur during surgical procedures.

Biocompatible matrix delivers thrombogenic substances via porous structure to prevent uncontrolled dispersion and reduce tissue reaction risks.

An RFID ring illumination system integrates reader antennas with front-panel lighting to verify tool connections on surgical machines.

A medical device system detects improper electrode positioning to prevent unintended energy diversion during cardiac ablation procedures.

An extendable suction surface braces bundled surgical instruments against tissue, preventing unwanted movement during single-port procedures.

A U-shaped tensioning device with body surface grabbers applies lateral skin tension via single-direction displacement.

Visual indicator superimposed on end effector image displays moveable element position relative to jaws.

A medical device uses a rotary structure with a non-cutting outer portion to safely cut objects inside biological lumens.

A robotic system with a console and sensors manipulates the uterus during surgery.

A fixing tool with a threaded screw and spike member adjusts tendon graft tension during ligament reconstruction.

A firing circuit uses an electrical latching feature to maintain motor activation during the actuation stroke of a surgical stapler.

Computer-implemented method generates a milling path for surgical tools to resect bone material.

Ultrasonic vibration superimposed on reciprocating motion resolves low efficiency in difficult tissue structures.

A locking mechanism with grooves and teeth restricts rotation between surgical instrument components to predetermined positions.

Segmented anchor members with torque-limiting interfaces prevent bone damage by automatically separating driving tools at predetermined force thresholds.

Removable cooling sleeve dissipates heat from portable surgical instrument housing, preventing generator and battery overheating during prolonged use.

Segmented handle assembly decouples preparatory squeezing from the firing trigger, preventing casing cracks and accidental firing during vigorous operation.

Tube vibration detection triggers a pump alarm, resolving ambiguity when multiple infusion sets share a single patient.

A method solves simultaneous equations for fixator kinematic chains to determine precise mounting parameters.

A phototherapy system uses sensors to detect light parameters and circuitry to modulate the light source for accurate treatment.

Custom surgical component integrates a reference array to establish a predefined spatial relationship for automatic navigation system registration.

Wireless protection signals verify device location within a predefined area, preventing unauthorized removal of expensive mobile medical equipment.

Variable twisting pitch in spiral lumens resolves path length differences and reduces friction during curved insertion.

Patient-derived iPS cells enable neural differentiation studies by restoring normal embryonic body shape through targeted p-ERK and p-SMAD1 inhibitor treatment.

Porous ePTFE sheath equalizes insufflation gas pressure to prevent biomaterial infiltration without compromising instrument flexibility.

Real-time gap measurement drives dynamic RF energy adjustment to prevent cell rupture and ensure consistent tissue seal reliability.

A battery port latching feature permanently deforms upon removal to fix the pack.

Polylinkage encoders measure instrument orientation to resolve occlusion and distortion in arthroscopic hip surgery navigation.

A medical conductor features curved portions and through holes filled with an insulating coating to manage thermal energy during tissue treatment.

Standoffs maintain separation between the flexible circuit and scalp to improve thermal management.

A hydrophilic coating on a medical implant framework resolves acoustic impedance mismatches caused by porous materials, enabling accurate device positioning.

A customizable acetabular shell uses a provisional liner to mark and form patient-matched fixation holes for precise screw attachment.

Allograft meniscus grafts are trimmed to match the arc length of damaged acetabular labrums for secure surgical fixation.

Nested sensors in the end effector measure tissue thickness and clamping force, preventing necrosis by ensuring optimal hemostasis during surgery.

Motorized toggle drive assembly converts rotary motion to linear actuation, resolving the trade-off between device complexity and stapling reliability.

Automated circuit calculates pressing force, amplitude, and resonance frequency product to maintain optimal tissue treatment conditions.

An adjustable spacer on a spinal instrument accommodates varying cage sizes, resolving the trade-off between precise positioning and device versatility.

A pressure-adjustable liver tightening device with a ratchet mechanism and vernier scale ensures consistent tourniquet tightness during surgery.

Real-time detection compensates for brain shift during surgery, ensuring precise tumor removal while protecting healthy tissue.

Standardizing the assembly sequence for housing, channel, and clip components reduces training time and production errors across varying instrument sizes.

Positionable LED illumination and ratchet-controlled anatomical blades reduce nerve damage risk during gastrocnemius surgery.

Segmented urology drape uses nested hood to contain infectious fluids, reducing cleanup time and occupational exposure risks.

Chlorine dioxide and antioxidant treatments inactivate viruses in pericardium tissue while eliminating antibiotics to reduce production time.

A bunion correction guide system uses mechanical actuation to align the first metatarsal capital fragment.

A disposable surgical handle uses a pivot button and transverse bore to engage tool grooves for secure attachment.

A surgical instrument clutch links drive members to enable precise articulation.

A navigated patella clamp uses an adjustable stylus and tracker to position the device below the resection plane.

A steerable sheath handle uses a threaded slider to rotate a position ring that displays the distal tip curve direction.

Capillary channels transport liquid disinfectant through porous foam to clean complex luer connector geometries that traditional towelettes cannot reach.