Diagnostics TRIZ Cases

A one-handed brake and deployable bone anchors secure a cannula without screws, reducing procedure time, trauma, and access blockage.

A dual-spool belt drive gives orthotic joints high extension torque with a changing winch ratio while still allowing free flexion.

Active damping uses the joint drive unit to counter vibrations while a locked instrument holder still allows safe, limited motion.

A linear actuator and linkage brake drive let a dual-column surgical table shift smoothly between adjustment and secure caster locking.

A locking bar, stop block, and spring let an operating bed rail clamp position quickly, release one-handed, and resist accidental loosening.

Curtains unwind from pocket-mounted rollers so chains stay outside the laser field, improving access, corner coverage, and fabric protection.

A bearing-deflected flexible shaft aligns with an undersized seal bore to prevent leakage while supporting rotary catheter aspiration and fluid delivery.

Offset rod passages, a cam head, and a tapered washer maintain clamping force while improving wear resistance and sterilization handling.

A trigger-driven detent mechanism lets surgeons adjust drill guide depth with one hand without removing the drill or guide from the patient.

Spherical brake surfaces and a spring-loaded shoe keep rotatable joints aligned, reducing wear and preserving braking torque over time.

Undulated shank interfaces and axial biasing keep disposable medical torque limiters accurate at higher RPMs and repeated actuations.

A flexible adapter and cycloid gear assembly let surgical staplers follow curved anatomy while delivering the torque needed for precise stapling and cutting.

Primary-winding voltage sensing gives surgeons real-time plasma length indication when the treatment site is hard to see.

Capacitive sensors built into a surgical robot arm track anatomy and tools without optical line of sight, improving continuity and precision.

A combined RF-ultrasonic generator uses jaw state, user selection, and tissue impedance to switch modes for precise cutting, coagulation, and sealing.

Audio tone verification and video confirmation help a modular surgical energy interface prevent unintended activation and reduce OR complexity.

A circuit isolates DC power from combined RF and ultrasonic signals, enabling dual-energy surgical tools to run sensors, LEDs, and motors.

Adaptive RF frequency tuning lets one surgical generator coordinate RF and ultrasonic outputs for precise cutting, coagulation, and lower tissue trauma.

An EEG/EMG headband uses an absolute value differential amplifier to simplify biometric sensing and wirelessly control a remote vibrator at lower cost.

A textile sleeve fixed by inner and outer sleeves rotates over an implant cone to remove contamination before modular endoprosthesis assembly.

A single tube lens and beam splitter keep two detectors at the same optical distance, simplifying alignment and saving space in multimodal detection.

A spring-loaded pushrod and magnetic stop detection halt bone penetration after cortical breakthrough to prevent posterior perforation in newborns.

Image and motor encoder data are combined to estimate a retracted guidewire tip inside a catheter and reduce vessel damage during navigation.

A radially deployable extravascular occluder and bioresorbable filler close large bore access tracts with one device while reducing embolization risk.

Internal reinforcement members intercept fluid jets inside a thrombectomy catheter, protecting the shaft while preserving flexibility and aspiration flow.

A porous polymer tip creates laminar CO2 flow that maintains a stable surgical gas cushion and limits air mixing, emboli risk, and infection.

Constructive interference from multiple microwave oscillators focuses coagulating heat at vessel depth without probe contact, reducing waste.

A bridge-linked plate implant replaces finger-type fixation to improve maxilla alignment stability, comfort, aesthetics, and manufacturability.

Helical tines, axial compression, and a retaining stent create a secure aortic graft seal without sutures or clamping, reducing time and blood loss.

An integrated beam plate and cutting guide improve bone alignment and increase strength and stiffness across arthrodesis fusion sites.

Integrated suction openings beside the cutting head evacuate debris, prevent tissue wrap, and avoid manual unclogging during endoscopic resection.

An adjunct applicator secures a buttress to stapler jaws in the open state, improving tissue sealing and reducing staple pull-through.

Integrated basket catheter electrodes formed around spines simplify assembly, improve alignment, and support nonthermal IRE cardiac ablation.

A garage and restraining mechanism keeps a minimally invasive cutting blade safely sheathed while force-limited control enables precise extension and retraction.

Virtual AR overlays guide pin entry point and drilling trajectory alignment to transfer preoperative plans accurately at the surgical site.

A single wire coil with stiffness-tuned sections anchors quickly, packs the aneurysm, and shortens vascular occlusion procedures.

Overmoulded polymer jaws replace metal parts to cut vessel sealer assembly complexity while maintaining clamping force and lateral support.

A dual-bundling basket bends as it exits the outer tube, reducing tube wall contact and enabling less invasive peripheral artery treatment.

Expandable lumbar fusion implants increase endplate contact during minimally invasive insertion to reduce subsidence, nerve injury, and recovery time.

A flexible magnetic retriever repositions and removes digestive tract implants while reducing tissue trauma during magnetic compression anastomosis.

Embedded electrode pairs heat bleeding tissue around a renal sheath to achieve hemostasis and reduce PCNL bleeding complications.

A nested trial spacer and base plate let the tensioner fit without setting the minimum gap, enabling more precise joint laxity measurement.

A modular guide handle, guide wire, and detachable tube connector improve repeatable brain targeting through a single bur hole while limiting tissue damage.

Soft fluid-driven actuators and granular jamming enable precise multi-site needle placement with less rescanning and shorter percutaneous procedures.

A spherical disc self-aligns the surgical load sensor against assembly tolerances, preserving accurate force sensing and consistent clamping.

Visual guidance compares current and desired robotic placement to avoid blocked tracking sightlines and cut operating room setup delays.

A beacon-plus-RFID tag improves retained surgical item detection and counting in the body while avoiding bulky components and signal loss.

When jaw forces exceed a threshold, the controller switches input mapping to preserve end effector angle and support blunt dissection.

Position and time feedback let a surgical stapler correct firing-member velocity errors in real time across motion zones.

Sensor-based kick-back control detects user movement and reduces motor power automatically, preventing uncontrolled movements during surgery.

A surgical guidance system collects spatial orientation data from reference and tool sensors to provide real-time feedback on instrument alignment.

Segmented optical tracking unit with deterministic wireless transmission resolves bulk and latency trade-offs in surgical navigation.

Pivotal leg supports connect to a foot base via joint assemblies with engaging pins and securing panels for angle adjustment.

An expansion band bows laterally to establish a safe zone, enabling precise transverse carpal ligament cutting while protecting nearby neurovascular structures.

An elastic pressure wrap uses an adjustable loop to apply variable tension for secure wound compression.

A tibial resection guide system directs cutting instruments through a bone tunnel to maintain precise orientation during surgical procedures.

A linear stapler safety block uses a raised stopper to constrain the firing piece movement path.

Computer assisted surgery device uses segmented robot arm to align implants via real time feedback, reducing patient radiation exposure from repeated x rays.

A surgical forceps uses a pin-slot engagement to translate a knife through jaw members for simultaneous tissue grasping and cutting.

Nested cages with independent elongated members compress clots while flexible shells navigate tortuous paths, reducing vessel trauma.

A medical observation device uses electromagnetic actuators to move a cylindrical lens unit for intuitive handling.

Segmenting fluid pathways prevents ice jams from residual liquids, enabling safe high-pressure inflation alongside cryogenic treatment.

Motorized cameras dynamically adjust inter-camera distance and convergence angle to reduce eye fatigue during long surgical procedures.

Snap fit retention prevents improper firing by locking the anvil to the trocar, ensuring precise tissue stapling.

An ultrasonic surgical probe generates a mechanical standing wave to harden the outer surface of the remaining spinal disc.

Fluidically separated flow channels prevent premature mixing and outlet occlusion, allowing repeated haemostatic agent delivery without instrument removal.

Circumferential imagers around robotic end effectors detect relative positions to prevent collisions.

Segmented base and universal support structures resolve the stability-versus-adaptability contradiction for diverse surgical applications.

Segmented instrument holder uses articulated joints to balance robotic tracking accuracy with surgeon ergonomic comfort during bone reaming.

Controller restricts surgical instrument movement when outside the endoscope field of view to prevent accidental contact with surrounding objects.

A force sense display device visualizes external surgical tool forces in a dedicated screen region.

A vibrating ingestible capsule treats gastrointestinal conditions using mechanical agitation.

A urethral tissue manipulation device uses a wire-driven securing member to deploy an end effector for precise prostate handling.

A tibial alignment device uses an angular coupling mechanism with adjustable gaps and a lever lock to connect cutting guides.