Diagnostics TRIZ Cases

A polymer surgical retractor housing integrates copper and aluminum shielding layers to block magnetic field interference from internal ferromagnetic components.

A catheter-delivered closure device uses an orientation control unit to align piercing elements with irregular tissue surfaces.

Segmented electro-mechanical interfaces with strap drives reduce downtime during surgical arm swapping.

A surgical reaming assembly uses a nested lock mechanism to control cutting depth during bone preparation.

Merges sensor system with control circuit to eliminate complex wiring and reduce sterilization leakage points.

Real-time feedback controls retraction forces to prevent sternal fractures and minimize tissue damage.

Monitoring probe measures tissue electrical characteristics to prevent esophageal injury from thermal damage.

Redistributing IMAT segments along the arc minimizes beam shaper motion and computational complexity while maintaining accurate dose distribution.

Distal side holes on a single-lumen micro-catheter create proximal plugs that prevent reflux and reduce procedural time.

Oscillatory motion concentrates shear stresses in the fluid boundary layer of a chest tube, preventing clot adhesion and maintaining patency.

A delivery catheter employs a nested tether and inner shaft system to resolve kink resistance versus maneuverability trade-offs in tortuous vasculature.

Illuminated input handles use color-coded lights to indicate instrument states, resolving the trade-off between surgical precision and device complexity.

A composite eye protection paste with a shading layer and thermal insulating layer prevents skin burns and eyelash damage during intense light exposure.

Rotating handle converts torque to linear displacement for controlled expansion, preventing over-penetration risks.

A magnetic balancing device generates torsional torque via a magnet assembly to counteract unbalancing forces in rotary bodies.

Magnetic sensor identifies attachments to adjust motor parameters, preventing bone necrosis from excessive speed.

An adjustable arm device marks bone surfaces to align cutting tools with precise depth targets.

Stop surfaces on a medical instrument shaft limit proximal transmission device movement, preventing plastic deformation from excessive force.

A powered surgical stapler uses multiple independent sensor assemblies to monitor staple cartridge status and control firing sequences.

A capacitive treatment element creates an electric field to deliver uniform energy along a vein wall.

A multi-use surgical stapling cartridge features a removable assembly that mechanically engages a reusable channel via snap-fit structures.

A braided silicone sheath provides tear resistance and secure retention for wristed surgical instruments.

Expandable treatment member positions calcification against fracturing elements to fracture tissue.

Encapsulated ice nucleating agents in the hydrogel allow precise freeze-thaw control, reducing damage to non-targeted tissue during cryotherapy.

Segmented protrusions fill irregular LAA cavities, reducing residual leakage risk without overstressing tissue.

Segmenting the device into a sterilizable handle and disposable tool reduces environmental waste while maintaining contamination control.

Pivotable sensor projections adapt to angular body surfaces, eliminating treatment delays caused by failed contact on bony areas.

A counter assembly integrates a counting wheel and actuation mechanism within the handle to display remaining clip counts.

Actuating drives adjust the targeting device in the X-Y plane to guide medical instruments precisely while reducing radiation exposure.

A medical robotic system uses LiDAR sensors and cameras to track patient movement for autonomous treatment execution.

Visual indicators on the body enable patients to train motor systems for optimal anatomical alignment without therapist contact.

An expandable tubular mesh occludes aneurysms by curving along its longitudinal dimension to disrupt blood flow.

An elastic tether allows the cuff to reduce applied pressure when inflated, preventing venous congestion.

Virtual surgery planning configures an adjustable femoral neck osteotomy guide to match individual bone geometry, reducing intraoperative measurement steps.

Segmented covering members allow rapid removal of contaminated layers, reducing surgery interruptions and material waste.

A cumulative buffering method updates surgical display images incrementally using a video card to render subtracted tool models at fixed angles.

A surgical probe uses capacitance or optical sensors to detect organ surfaces during tissue resection.

A locking plate system integrates a screw guide with an attachment flange to direct locking screws into threaded holes.

Jaw members on a skull clamp rail grip accessories via a screw assembly, resolving fixture complexity while improving convenience.

Mechanical oscillation replaces bulky pneumatic systems to improve alveolar vibration and patient mobility.

A surgical alignment guide uses patient-specific anchoring elements to secure the device on bone surfaces during joint arthroplasty procedures.

Ultrasonic vibration at 20-100 kHz fractures PMMA cement, resolving the trade-off between equipment simplicity and removal speed.

Camming surfaces and leaf springs enable releasable trocar retention, facilitating cleaning and sterilization of the adapter assembly.

A cylindrical sleeve with a compression spring urges the cover to a non-retracted position, protecting the pen tip.

Optical detection replaces mechanical gauges in this hemostasis tool, using discoloration or deformation to measure balloon pressure without adding weight.

Patient-specific surgical guide integrates radio-opaque Kirschner wires to provide clear alignment indicators during intra-operative procedures.

Actuated traction arm positions the lower limb for anterior approach hip replacement, eliminating the need for additional surgical personnel.

Real-time sensor feedback modulates internal pressure to prevent wall deformation while maintaining overpressure against contamination.

Removable container adapter integrates thermocouple wells to eliminate subjective gloved finger tests and maintain sterile surgical fields.

A magnetic position tracking system calculates orthopaedic implant landmark coordinates using dual sensors and a field generator.