Surgery TRIZ Cases

A double-faced coil transducer generates uniform forces via current pulses.

A microneedling device uses impedance sensing to control needle insertion depth via a stepper motor.

A dilation catheter with a translating guide tip element uses real-time positional feedback for precise navigation.

A multifunction microdermabrasion wand integrates serum infusion with ultrasonic energy delivery through piezoelectric elements.

A bevel gear driven retractor blade system secures stable orientation under tissue tension by replacing friction locks with positive mechanical engagement.

Non-perfect circular unit windings overlap to form convex anchors, resolving weak anchoring effects in helical medical markers.

A gusseted retrieval bag expands via a resilient hoop member to collect tissue specimens through small incisions.

Periodic multi-frame averaging in optical coherence tomography systems resolves spatial resolution limits caused by speckle noise degradation.

A spherical chimney design with a complementary lens flange maintains constant adhesive thickness during curing.

Tapered hub geometry creates a secure friction fit for fluid storage containers, preventing pop offs during medical use.

A frame adjustment unit modifies display rates based on detected motion and processing time.

A removable protective sleeve features a folded distal section that secures around an endoscope to prevent contamination during surgical introduction.

Electrospun PLGA nanofibers on polypropylene provide antibacterial and hemostatic barriers to reduce post-operative complications.

A hand-held brachytherapy device deposits radioactive seeds via a cannula.

A dual-color endoscope uses separate light sources for observation and fringe projection to maintain pattern visibility during simultaneous illumination.

Capacitive sensing in a thin film mouthguard measures bruxism forces without altering patient behavior.

A segmented tool holder body isolates gripping forces to reduce stress on the main transmission structure.

A flexible endoscope uses a wide-angle lens system with an angularly offset optical axis to capture forward and retrograde views.

A rectangular tubular portion supports an imaging element to resolve space utilization constraints inside the endoscope insertion part.

Movable joints and strut members in a dynamic foot plate assembly enable precise ankle deformity correction without static fixator limitations.

A plug integrates image and light guide rods with distinct socket holes for precise alignment.

Curved catch sections lock switch covers into receiving cavities, preventing displacement from autoclave pressure changes that cause optical fogging.

A specimen tube assembly uses a semi-rigid hoop and tether to evert its distal end for tissue containment.

A saliva collection device uses a venting outlet to manage airflow during continuous oral fluid capture.

Rotated wire pulling member arm portions prevent interference with central suction button, maintaining small diameter while ensuring bilateral operability.

A retaining clip and sealing member create a mechanical seal on a medical instrument housing opening without external agents.

A vibroacoustic earbud uses a nozzle seal to amplify biosignals within the ear canal acoustic volume.

Epoxy resin composite handpieces absorb operational vibrations, reducing user fatigue and improving precision compared to rigid metal tools.

Silane coatings replace acrylates to withstand steam sterilization while ensuring biocompatibility.

A capsule medical device adjusts CCD sensitivity to capture fluorescence from diseased tissue.

A gas-powder mixing chamber blends dry medication with pressurized gas to prevent cannula occlusion during endoscopic delivery.

A flexible tube insertion apparatus adjusts bending stiffness dynamically to maintain precise shape control during deep tract navigation.

A container collecting device uses a guide cylinder and actuator to stabilize and rotate tapered paper containers during insertion.

Oriented nozzles in a coiled tube create turbulence and shear stress to disinfect hard-to-reach elevator channels.

A magnesium composite with a nanoparticles-haloed grain structure slows degradation through thixotropic processing.

Computer-based OCT analysis compensates for imaging artifacts to measure stent malapposition distance accurately.

An optical interference tomographic apparatus inverts images vertically to reduce ghost artifacts from reference mirrors.

Protruding projections in the retainer layer disrupt tissue debris within macro deformations, ensuring reliable slough removal under negative pressure.

A bioabsorbable implant uses a shape-memory ring and elastic tube to seal large vascular access sites.

A steerable catheter brake mechanism uses an orthogonal knob to lock actuation spools and hold the distal end in a selected deflected position.

A sternal retractor with a cam lock mechanism secures releasable arms for stable surgical positioning.

Rotational valve unit prevents carbon dioxide outflow while supplying water and gas to the distal endoscope portion.

Real-time stiffness adjustment prevents intestinal wall damage during endoscopic examinations.

Frame-sequential narrowband illumination suppresses light scattering to resolve blurred vessel images in deep mucosa without indocyanine green injection.

A signal conductive blanket enables capacitive coupling between wireless sensors and monitoring devices.

Automatic setting synchronization between master and slave processors eliminates manual adjustments when combining different endoscope systems.

An integrated display carrier merges the container base and test strip support, reducing liquid volume requirements while securing components against tampering.

A light guide unit with a stiff lens member maintains optical axis alignment and suppresses color intensity variation when the endoscope bends.

A tissue separation device uses a rotating drum and adjustable blade to cut biological samples into precise planar pieces.