Diagnostics TRIZ Cases

Magnetic detection pin interacts with Hall sensor to verify instrument attachment, resolving reliability issues in robotic surgical systems.

Switchable monopolar and bipolar electrode configurations enable uniform heating across deep and superficial skin tissues without overheating.

Segmented instrument guide uses intra-articular localization to establish extra-articular trajectory, preserving load-bearing bone integrity.

Gear-driven cutting rings enable precise plaque removal in tortuous vessels while minimizing vessel wall injury.

A universal robotic surgical instrument holder uses variable diameter jaws to guide instruments of different sizes through a single central passage.

A polymer driveshaft system prevents fluid augering and tissue sticking by using a smooth surface, reducing axial tension during high-speed rotation.

A check valve vents steam and contaminants from a surgical handpiece interior cavity, preventing seal damage and component corrosion.

Segmenting solenoid deployment from continuous actuation resolves the contradiction between binary reliability and variable penetration depth control.

Segmented anvil pockets with varying channel depths and wall angles resolve articulation precision limits while reducing tissue trauma.

Processor aligns surface normals from polarization images with 3D data to improve registration accuracy without excessive computational load.

Basket type grasping forceps use a distal fixing member with varied wire attachment strengths to enable controlled structural opening.

Segmented patches define skin preparation zones to resolve alignment contradictions, ensuring accurate transdermal device positioning.

Flexible firing rods enable angled fastener delivery in surgical applicators, reducing trocar torque and improving access to Cooper's ligament.

Multi-threshold motor control algorithms adjust power and speed to prevent overheating and minimize frictional binding in robotic surgical staplers.

Audio output module embeds procedural data into audible tones for recording and deciphering by an audio collector.

A liquid jet scalpel uses a distance measuring device to track nozzle proximity during tissue cutting.

A hybrid bone plate joins high-strength titanium to soft titanium via a weld seam to form closed integral surfaces.

A needle-safe fluid transfer system employs a wiping member to clean the cannula during uncoupling, preventing aerosolization and leakage of harmful substances.

Segmented variable resistance sensors on a footplate calculate center of gravity via voltage angle mapping.

A veterinary procedure table back table moves vertically with the main support surface while maintaining a fixed floor position.

Rotating the jaw tip relative to the proximal portion accommodates varying tissue thicknesses without increasing structural complexity.

A shadow sensor detects light source shadows to compute six-dimensional position using temporal analysis.

An asymmetric keyway prevents retainer rotation while a rotating cam adjusts clamping force for varying lead sizes.

Concave bone plate bottom surface and spike extensions prevent soft tissue compression forces that cause tracking misalignment during surgery.

Automated bedside dosage dispenser opens ampoules and fills syringes to eliminate manual preparation errors during high-stress medical procedures.

Embedding sensors within electrosurgical blades provides real-time feedback on tissue impedance and temperature, improving energy delivery control.

A control system monitors motor load and velocity to provide tactile feedback during surgical clip application.

Molded interlocks join metal shafts to plastic handles in this disposable rongeur, eliminating loose screws that fall into the operative site.

Segmented gear reduction and nested mechanisms boost torque in a compact working unit, eliminating tissue offset errors during precise surgical manipulation.

An intermediary safety cartridge anchors barbed vena cava filter hooks with a distal projection, preventing staff injury and blood contamination during removal.

An adjustable headband with a variable diameter ring system guides needle placement during craniofacial procedures.

RFID-tagged disposable tip prevents reuse while pulsed vibration stimulates nerve receptors to reduce injection pain.

A computer-implemented method calculates a placement frame for surgical implants and allows surgeons to adjust positions using tracked devices.

Arm-mounted detector calculates external forces from trocar and tissue to reduce distal end size while maintaining measurement accuracy.

A resilient locking member engages a catch to retain the knife carrier in its retracted position within the reload assembly shell housing.

Deformable bridges in a bilateral bone plate enable intraoperative shaping to match anatomical contours, reducing inventory complexity.

A roller grip assembly moves along surgical tubing to clear blockages without excessive stretching.

Segmented chisels carve precise cavities in vertebrae, enabling accurate anchor placement and reducing surgical wear.

Magnetic attraction reduces operator force on the movable handle, resolving spring reaction trade-offs in surgical tools.

Replacing laser welding with adhesive curing, this design uses a 0.5mm void to prevent thermal damage and simplify attachment.

Pre-compressed connective tissue grafts expand in situ to create biologic press fit fixation, eliminating foreign body screws and reducing micro motion.

Rotating elongated swabs remove residual fluids from connector recesses to prevent bacterial colonization.

A mobile perception device calculates relative position using visual odometry and SLAM algorithms for surgical navigation.

A trauma gurney with a detachable patient platform enables direct front approach transfers without lateral movement.

A laser catheter uses optical fibers to transmit light and force sensors to measure applied pressure for vascular material identification.

Collapsible therapy chair uses electric assistance circuit to provide adjustable counterforce, resolving portability limits in muscle strengthening equipment.

A catheter clip uses an adhesive base and flexible clasp to secure medical tubing without tapes or glues.

External optical trackers resolve positioning difficulties in occluded environments by triangulating unique emitter patterns across multiple camera views.

A surgical stapling instrument firing drive system with a shiftable transmission manages tissue compression through controlled gap adjustment.

Adjustable guide units modify arm swing width to resolve the contradiction between natural walking pace and independent travel speed control.