Diagnostics TRIZ Cases

A rigid top, soft seal base, and vacuum ports contain nasal aerosols during sinus and skull base surgery without blocking instrument access.

Magnetic field sensing guides catheter spacing and alignment before activation, improving fistula formation accuracy and reducing failures.

Closed-loop PID control adjusts firing and closure velocity from force and position feedback to handle tissue thickness with less damage.

A sleeve-lock and deflectable-tab mechanism lets one applicator reload and deploy multiple endoscopic clips without changing devices.

A controlled tissue compression algorithm adjusts stapler clamping force to reach the target gap in thick tissue while limiting trauma.

Real-time conductivity sensing at the drill tip guides posterior SI joint access and helps avoid implant misplacement during minimally invasive surgery.

Guard parts placed inside the cartridge housing block excess tissue insertion while keeping the stapler diameter small enough for standard trocars.

A Venturi-driven aspiration catheter captures or fragments kidney stones while balancing irrigation, pressure, and visibility during removal.

A spring-biased clamp stabilizes implant delivery and guide catheter handles while balancing torque resistance for precise valve placement.

A resin light-transmitting nozzle combines suction and illumination in one electrosurgical pencil to clear smoke and improve surgical visibility.

A replaceable handpiece cap absorbs or filters specific laser wavelengths to reduce leakage, protect eyes, and preserve visibility.

Integrated torque transducers in a sterile surgical adapter measure motor torque in active or idle states to limit cable forces and prevent damage.

Rotating guide jaws and optical navigation improve needle placement, limit accidental movement, and support multiple needle sizes with less radiation.

Dynamic ROI-based overlay transparency keeps critical anatomy visible while preserving readability of peripheral surgical information.

Mirror-imaged viewing and mirrored robotic control let surgeons operate comfortably on either eye while preserving preferred hand positioning.

Custom-assembled telescoping struts extend excursion range and improve fixator stability without repeated strut changes or large inventories.

Pulsed current density and pulse-width control create skin micropores for drug delivery while limiting pain and filament melting.

Removable cover and retainer parts keep staples and pushers secure in shipping while enabling a slimmer stapler jaw to accept larger staples.

Infrared beacons let a handheld surgical imager capture and manipulate medical images on one display, reducing device switching and contamination risk.

A symmetric camera-and-instrument controller layout improves steering, axial translation, and single-site access in minimally invasive surgery.

A combined RF and pulsed field catheter uses contact force sensing and application counting to predict durable lesions with less tissue damage.

Model-based position control estimates catheter tip force from indentation and kinematics, helping maintain stable tissue contact without force sensors.

Sensor data from microscope position, imaging, and lighting automates recording start and stop to avoid workflow delays in surgery.

An oscillating irrigated brush head disrupts implant and tissue biofilm in situ, enabling implant retention with less invasive infection control.

A depth-limiting flange and multi-blade head control joint tissue penetration depth, improving excision accuracy and protecting healthy tissue.

A 3D cranial path score surface in AR helps surgeons choose least-damaging brain entry paths with accurate registration and real-time guidance.

Pressure-triggered valve pulses restore aspiration flow when catheter tip clogs, improving clot removal without manual intervention.

Laser triangulation measures implant seating and detects hairline bone cracks during impaction, helping reduce peri-prosthetic fractures.

Real-time 3D bone and implant overlays with biomechanical metrics help improve implant alignment accuracy and shorten surgery time.

Multiple module temperature readings correct thermocouple parasitic-junction errors in microwave ablation, improving accuracy to ±0.5°C.

A latched receptacle and complementary alignment features secure detachable surgical trackers to prevent play and preserve navigation accuracy.

An inserter placed between the shaft handle and expansion body enables radial contraction during housing, reducing assembly breakage risk.

Comparing relative motion from two trackers reveals localizer movement, helping surgical navigation avoid inaccurate instrument positioning.

A modular drive with indexing, locking, and leadscrew coupling enables controlled bone transport to boost blood flow and regenerative activity.

Randomly sampled endoscope frames improve real-time remaining surgery duration prediction while avoiding manual frame labeling.

A two-wing frame with retaining ties stabilizes elevated and adjacent digits, improving surgical access without assistants or lead weights.

Offset yaw axes and a distinct RCM layout let a minimally invasive surgical robot arm avoid gimbal lock while extending motion range.

Temperature and strain sensing let a surgical instrument adjust operation in real time, improving tissue precision while limiting control complexity.

Height-adjustable liner tabs set a precise knee prosthesis reference plane while reducing bone resection and improving tibia-femur balance.

Inflatable wall cavities and pressure monitoring help a dual-layer tissue bag detect breaches and limit cancer cell leakage during tissue removal.

A sliding connector locks the hemostasis clip after closure, reducing shed parts trapped in GI defects and easing endoscopic deployment.

Reverse-current motor braking rapidly decelerates the shaft to limit torsion, protect tissue, and improve drug-free thrombus removal.

Mode transition detection records first use after operation check, helping prevent single-use medical device reuse in clinical settings.

An angled cartridge switch and integrated lock prevent fired cartridge actuation while preserving compact stapler size and tissue protection.

Motion-sensed vibration therapy targets tremors only when needed, reducing treatment cost and battery use while improving motor control.

A trigger-linked blade and interference lock enable sealed tissue to be cut only after jaw closure, improving surgical precision and workflow.

Automated alignment, resection, and retraction along target planes cut TKA procedure time while lowering accidental cut risk.

A modular CSF shunt drains into the dural venous sinus through one cranial hole, reducing brain penetration and helping prevent blockage and bleeding.

A self-locking toggling distal tip improves end effector access and tissue engagement in endoscopic stapling without complex articulation.

Speech recognition and accessory microphones enable hands-free control of electrosurgical and robotic OR equipment while reducing manual interaction.