Surgery TRIZ Cases

Distance sensors compute head movement angles via signal transmission, resolving angular velocity integration errors.

Disposable endoscope sheaths eliminate costly chemical sterilization by providing a sterile barrier that prevents cross-contamination.

A plug holding portion positions optical waveguides to reduce thermal exposure from light sources, preventing hazardous contact during disconnection.

A capsule endoscope activates imaging functions only after receiving external control signals to synchronize with the operator.

An expandable pouch transitions from a compressed delivery state to an expanded volume within a tissue cavity.

Integral cover shields endoscope switching device from chemical sterilization damage via resilient bulge button.

Staggered inner and outer baskets reduce wire gaps to prevent fragment dropout while adapting to different tissue structures.

Segmented connection points allow the carrier to be removed while the resorbable dressing remains, preventing irritation and promoting healing.

A medical motor handpiece uses a rotatable control element to angulate an end effector relative to the shaft.

High intensity focused ultrasound releases biomarkers from tissue masses into circulation, resolving low abundance issues in liquid biopsy detection.

Slots in the delivery cannula guide site marker filaments to prevent plastic deformation during sterilization and ensure accurate placement.

Reversibly deformable vehicles encapsulate fluid radioisotopes to deliver targeted radiation while shielding proximal healthy tissues from collateral damage.

A sweat analysis device uses a calibrating sensor to generate signals responsive to secretion rates for deriving normalized analyte measurements.

A compact endoscope cooling system uses thermal expansion to circulate liquid.

A wireless imaging system integrates a light cable with an optical converter to transmit data and power without physical tethers.

An endoscopic light source uses dichroic mirrors to mix wavelengths and distribute light evenly across optical fibers.

An expandable suction head transforms from a contracted to an expanded configuration to collect stone fragments.

A hernia repair graft uses discrete attachment sites to secure an anti-adhesive barrier layer while allowing sliding motion between the substrate and the barrier.

Transducers provide real-time feedback to positional controls, enabling automatic guidewire adjustment for precise cannulation while minimizing tissue trauma.

A light conditioning attachment splits image light into two optical paths for a single camera sensor.

A solid prism-shaped medical device maintains intimate contact with fistula walls to ensure primary stability.

Iron-doped nanodiamonds in magnesium alloys enable magnetic resonance imaging detection, replacing complex X-ray monitoring during resorption.

An inverted eversion sleeve reduces friction and force requirements, enabling reliable self-propulsion through curved body cavities.

A processor device calculates observation distance from blood vessel index values derived from endoscope image signals.

Polylactide and shellac coatings retard drug release to eliminate polymer-induced inflammation and late restenosis risks.

A steerable gastric calibration tube uses a bellows segment and adjusting member to articulate the elongate member for precise navigation.

Injection molding creates a hollow dome reamer that eliminates recesses trapping bone tissue during surgery.

Vacuum degassing controls solvent concentration in the base layer to prevent rapid or slow elution of sensitive proteins.

Texturized reliefs on a resorbable polymer membrane reduce tissue contact area, easing placement and accelerating healing.

Adjustable fingers on an alignment plate engage patient anatomy to orient acetabular cups, correcting reaming depth errors that cause wear.

Variable curvature on endoscope peripheral edges directs cleaning fluid away from observation windows.

A biocompatible block copolymer membrane forms a porous structure via phase separation to support tissue engineering applications.

Bis-amino diol diester poly(ester amide) co-polymers resolve variability in release rates and mechanical properties through modular monomer selection.

A laser-based endoscope light source adjusts narrow-band emission ratios to maintain precise color rendering.

Screw-driven needle movement regulates penetration depth while a guide suction assembly maintains skin tension for uniform drug distribution.

Rapid cooling traps supersaturated tungsten in a single-phase structure, avoiding multiphase defects while boosting radiopacity.

Overlapping circuit boards in the first endoscope connector enable non-contact power and signal transmission without increasing connector size.

A flexible blade member anchors a tibial tray to bone by exerting compressive force during insertion.

Computational merging of dual camera feeds replicates a top-down stereo view, resolving disorienting perspectives in vitreoretinal surgery.

A dermal sampling strip collects transdermally emitted gases in a vapor space for electrocatalytic analysis.

A visualization system generates slabbed views from selected medical image slices to streamline diagnostic review workflows.

Dynamic pressure bearing eliminates flexible shaft friction to reduce torque loss and axis vibration in optical imaging probes.

Composite antimicrobial coatings on vascular access device septums repress pathogenic activity, reducing catheter-related bloodstream infection risks.

Telescopic shafts expand a bag brim from 2 to 6 inches, accommodating large specimens while maintaining a compact profile for surgical maneuverability.

A locating apparatus uses a resonator to electromagnetically couple with passive integrated transponder tags for precise distance indication.

Segmented imaging captures hidden polyps in body cavity folds by combining discrete side views with a primary front camera.

A transponder detection device scans variable frequency ranges to identify resonant signals from inexpensive tags.