Diagnostics TRIZ Cases

A rotating cutting tip and hub outflow path remove tissue, fluid, and debris together to keep the surgical field clear during resection.

Specialized reamers, cutting blocks, and trial augments improve femur preparation accuracy and implant alignment in revision knee surgery.

Sensors compare a trainee’s motion with target movement data to adjust assistive or resistive torque for more personalized gait rehabilitation.

Reference and inserted transmitters create a patient-specific anatomical coordinate system for accurate catheter location and orientation without X-ray.

Pulsed electric fields synchronized to cardiac rhythm create non-thermal lesions for atrial fibrillation treatment while avoiding thermal injury.

Multiple linked transducer units shorten measurement paths to limit metal interference and improve real-time surgical instrument localization.

Compartmented sterile barriers isolate reusable sensors and motor packs from patient contact, cutting re-sterilization needs and contamination risk.

A restricted-motion gripping piece enables weld-free assembly and disassembly while maintaining stable tissue gripping despite elastic deformation.

A flexible compliance mechanism isolates the force sensor from contact loads, absorbing tool displacement while preserving precise user input sensing.

Automatic consumable type and orientation sensing lets the analyzer choose the right workflow, reducing selection errors and test time.

Marker-sensor alignment enables RF puncture only at the target site and shuts it off after septal crossing to limit surrounding tissue damage.

An internal alignment element and compliant pressurization keep the everting balloon untwisted, stable, and easier to operate during embryo transfer.

Real-time ultrasound tracking and patient markers let the robot adjust instrument guidance during breathing for precise lesion targeting.

VR-guided endoscope tracking adds real-time position and distance views to improve robotic surgical accuracy and reduce handling errors.

Navigation-guided guide pins and a planer improve TKA bone resection accuracy while reducing the need for multiple cutting guides.

Force sensing during transvascular valve repair helps secure leaflet capture and sealing while avoiding invasive open heart surgery.

Scanning implant UDIs into a shared database improves record accuracy, links to EMRs, and flags recalled devices before implantation.

Real-time clamp force sensing helps robotic ultrasonic instruments maintain precise tissue clamping and cutting with better control.

A rotating, translating spindle stabilizes pressure and flow to deliver hemostatic agents accurately while reducing catheter clogging.

Height-adjustable tabs set a knee reference plane and stability gap, reducing bone resection while improving prosthetic balance.

Wireless pairing identifiers let navigated surgical tools self-register and switch seamlessly while maintaining real-time tracking and control.

An ergonomic grip and rotatable cutting assembly improve cutting window rotation while preserving suction, irrigation, and surgeon comfort.

A shared electrical line powers instrument functions and carries sensor signals, cutting coupling contacts while keeping medical and dental tools reliable.

Built-in dual valves and a fluid storage chamber enable decompression and reinjection without separate tools, reducing operator effort.

Two tracking sensors separate instrument opening and gripping force commands, reducing unwanted actuation in surgical teleoperation.

Asymmetric hub alignment features and rotation indicators keep the dilator and sheath securely coupled for accurate LAA occluder delivery.

A skin-mounted guide and anchor improves one-handed vessel cannulation accuracy and secures needles without heavy adhesive, reducing vessel and tissue damage.

Real-time imaging, fluid fragmentation, and aspiration help a catheter reach pulmonary vessels and remove thrombus more effectively.

External magnetic coils steer helical microrobots through narrow brain corridors to reach deep lesions with less tissue damage.

Optical trackers and a four-bar linkage define knee rotation for precise drilling and graft placement, improving repair consistency.

A three-plate guide bar reduces flexure in narrow cutting slots, improving bone-cut accuracy and implant fit while limiting bone removal.

By comparing robotic commands with sensor data and adjusting weighting, this case improves in-body instrument localization under hysteresis and buckling.

A spring-biased lockout blocks closure and firing unless a compatible, unused staple cartridge is installed, preventing damage and sealing errors.

A tissue shaper, retractor, vacuum hold, and fastener recreate the gastroesophageal flap valve to reduce reflux and correct GERD anatomy.

Visual markers and a receiving portion help align an adhesive compression patch around a medical insertion member for accurate bleeding control.

A hover sensor triggers EIS tissue sensing before energy delivery, enabling faster parameter adjustment and more precise robotic surgery.

Tissue impedance feedback lets a bipolar clamp vary gap and compression force to match mixed energy modalities and tissue type.

Operator-guided bridge generation reconnects isolated anatomic structures in 3D models, improving passageway accuracy for procedure planning.

Optical flow and image correlation detect tissue motion between instrument jaws, enabling stable grip control during endoscopic procedures.

A robotic manipulator clamps and repositions the fetus to expose the treatment field while preserving the amniotic environment during surgery.

A split refrigerant flow and in-catheter heat exchanger precool the therapeutic stream without separate lines or valve warming.

Real-time 3D ultrasound reconstruction and localization guide instrument insertion more accurately while preserving portable, low-cost intervention workflows.

A pivoting distal tip lets the stapler end effector reach discrete angles for better tissue engagement and sealing in endoscopic procedures.

Soft low-friction elastomer skin-contact surfaces improve wearing comfort and relaxation in care devices without losing practical usability.

Modular frame segments, snap-fit connectors, and ratchet locks speed surgical setup while preventing blade migration and improving exposure.

A detachable torque adapter adds precise measurement, wireless feedback, and torque limiting to existing driving tools without extra weight.

A sheath-side pressure regulating port lets surgeons adjust suction in real time, preventing calculi blockage and improving ureteroscopic efficiency.

Segmenting the motor unit into sterile and non-sterile portions eliminates complex draping procedures while maintaining aseptic conditions.

A surgical kit guides femoral neck resection using a mounting portion and guide pins to position the cutting plane accurately.

Computing device compares tracked spatial pose against surgical plan to provide real-time visual feedback on trajectory and depth.

A sensor module with a tibial paddle measures knee joint forces during orthopaedic surgery.

A medical instrument RFID tag uses the metal component as an antenna via a conductive coupling element.

Segmented design allows thorough cleaning of internal channels, resolving contamination risks from sealed structures.

Calibrating unique fiducials to digital instrument models enables repeated sterilization without losing trackability.

A bone traction device uses a double-joint mechanism to align fractured bone fragments with precision.

A surgical ligation clip applier uses a distal pushrod to pivotally mount jaws on clevis tubes for precise vessel clamping.

RFID tags enable automatic cartridge authentication via electromagnetic induction, preventing incompatible staples from firing and ensuring procedural safety.

A wearable foot controller uses pressure and movement sensors to generate control data for surgical instruments.

Adjustable-friction ball and socket joints allow surgeons to reposition instruments without human assistants, reducing fatigue and miscommunication risks.

Adjustable penetration depth resolves measurement precision issues without increasing device complexity.

Nested balloon expands upon needle puncture to visually signal prior IV bag injection port use, preventing accidental infusion of contaminated fluids.

A U-shaped transport frame with a reconfigurable sling reduces caregiver strain during patient transfers.

A compliant member assembly retains medical implants via frictional engagement during transport and injection.

A pulsed motor drives a reciprocatable pawl to advance the firing rack in surgical stapling instruments.

A cantilevered cutter with optimized shaft length and head diameter enables precise tunnel cutting in knee joint bone, reducing tissue damage and surgery time.

Coupling identifiers enable correct module identification in a modular electro surgical generator, reducing manufacturing errors and miscommunication risks.

A shield positioned adjacent to metal objects reduces electromagnetic field distortion during surgical probe navigation.

Unitary anvil shank latches pivot via living hinges to reduce tolerance stacks and ensure precise gap alignment.

Sensors detect real-time position and force data to automate massage delivery, resolving the contradiction between manual effectiveness and device complexity.

A PWM laser diode drive circuit switches current to minimize heat dissipation on the board.

A catheter tip incorporates a tracking sensor coil to detect position and orientation via electromagnetic induction.

Matching the generator frequency to each antenna's optimal value reduces reflected energy and system heating.

Alignment indicia on the bladder surface resolve parallax errors during placement, ensuring precise compression for effective hemostasis.

Segmented tools create controlled extravascular pathways to bypass fibrosed transvenous access routes.