Surgery TRIZ Cases

A capsule endoscope control unit switches imaging modes using combined sensor and image analysis to adjust frame rates.

Control unit calculates integral values from skin conductance signals to output a single measure of the autonomous nervous system state.

An endoscopic reflection microscope establishes a reflection matrix to compensate for phase retardation in optical fiber bundles.

Tannic acid treatment and thermal curing enhance mechanical strength of biodegradable protein-based hydrogels for 3D printing.

A device set with adhesive films and hollow cylindrical punches creates a micro-graft matrix from full-thickness skin for transplantation.

A retrieval device uses a strut engaging member and deployable loop to secure vascular filters for removal.

Stepped portions on the chemical bottle enable limit switch detection of insertion positions, preventing leakage without increasing device complexity.

Inverting standard spectral separation, a dichroic filter transmits specific return light and reflects normal return light to eliminate noise mixing.

A probe guiding frame with spaced peaks creates a cavity that directs the lens probe to the cornea.

The FAMMISS method merges multiple integrated spatial samplings to generate composite images with detailed blood flow speed information.

A dermabrasion hand piece uses a flexible treatment head and elastic rim to seal against curved skin surfaces.

A hysteroscope shaft features a re-configurable distal channel that expands to accommodate larger interventional tools.

A segmented touchpad controller interface enables intuitive tactile operation of intravascular ultrasound systems.

Rotating arm mechanism quietly extracts guide needle without spring force, eliminating loud snapping noise that causes patient discomfort.

A vascular anastomotic coupling device uses inner and outer rings to trap everted vessel portions for secure joining.

Capsule endoscope modules synchronize light emission with imaging direction to illuminate specific areas.

A surface-modified magnesium alloy applies a dual-layer coating to resolve the trade-off between corrosion resistance and mechanical strength.

An endoscope system uses a region-of-interest detection unit and a second display screen to prevent overlooking targets that disappear from the primary view.

An embedded monitor system segments control logic to ensure software reliability without extensive operating system testing.

Alternating arcuate slits in the flexing tip member allow controlled bending without kinking, reducing device complexity while maintaining maneuverability.

An inner-layer fiber collecting array captures scattered light through a lens set, resolving low light collection efficiency in thin body cavities.

Multi-wavelength fluorescence detection segments excitation spectra to differentiate tissue types via distinct detector assemblies.

A medical device switching system uses an RFID transponder and Faraday cage to enable remote activation of connected equipment.

A swallowable capsule uses a shape-changing hydrogel to decelerate and stop within the gastrointestinal tract.

Endovascular wires anchored to the mitral annulus reshape valve geometry, improving leaflet coaptation without open-heart surgery.

A synthetic mesh coated with acid-swelled collagen slurry forms a stable surgical material through freeze drying.

Solidifying photosensitive adhesive forms the waveguide, reducing probe size and manufacturing complexity compared to semiconductor processes.

A camera head transmits serial signals via a single electrical line to simplify structure.

A push mechanism actuator rod drives a biopsy forceps driver cable, eliminating bulky scissor links that waste energy and limit steering.

A convex grip face on the endoscope housing allows secure finger placement for stable manipulation.

Conic-frustum tubular elements maintain parallel orientation via a resilient coupler, addressing anatomical deformities that limit external strip efficacy.

Rotating anchoring element reduces shear stress on polymer cords, preventing bone rubbing and improving fixation durability.

A unified FPGA control section merges normal and safety modes to reduce substrate area while preventing CPU restarts via dummy pulses.

A wireless endoscopic camera uses a contoured grip and modulates illumination to correct exposure without adjusting camera settings.

An intraoral inspection device uses a dentition-shaped auxiliary member to guide a detection element along a fixed path for stable image capture.

Nested elastic sleeve assembly couples colonoscope insertion tubes to add-on tubes, reducing friction and improving maneuverability during procedures.

A sampling port uses a movable bladder stem within a bezel channel to establish fluid paths for safe needle-free extraction.

A display apparatus visualizes driving force via a dynamic gauge to monitor propulsion in living body insertable devices.

Capacitive electrodes on a truncated pyramid container detect fluid levels, enabling accurate home diagnostics for micturition disorders in women.

Alternating active and excipient strips on the implant surface dissolve post-implantation to accelerate vessel wall integration while preventing thrombosis.

A flexible J-shaped retraction device lifts the liver using a stabilizing member that engages the abdominal wall through friction.

Alternating steel wire layers create variable torsional rigidity in a driving shaft, reducing operator burden during endoscope insertion.

Variable height regions in the tissue cleaning pad remove tongue debris while preventing user discomfort from aggressive scraping.

Processor substitutes low-occurrence colors with similar high-occurrence variants to reduce file size while maintaining diagnostic image quality.

An eccentric motor generates controlled vibrations in a swallowable capsule, replacing drug dependency and dehydration risks with safe mechanical stimulation.

Segmented absorbent layers with distinct density and hydrophilicity intercept fluid flow to prevent premature leakage from improper fit.

Segmenting the optical path into separate channels eliminates alternating illumination, restoring high frame rates while maintaining dual imaging capability.

A surgical sliding shaft instrument uses form-fitting guide elements to ensure precise relative movement between two metal or plastic shaft parts.

Segmentation and nesting principles reduce shaft diameter, allowing introduction through small body passages without cervical dilation.