Surgery TRIZ Cases

A handheld intraoral optical system uses bite guides to stabilize the imaging sensor and capture clear tonsil images without expert assistance.

Orienting poly-4-hydroxybutyrate films reduces modulus below 1775 MPa while maintaining tensile strength above 53.9 MPa, resolving PLA stiffness.

A urine analysis system uses a needle and pump engine to deliver specimens directly to test strips for camera observation.

Rotating a polygonal ultrasonic bone scalpel bit presents different cutting widths, eliminating time lost replacing bits during surgery.

An implant component operates as an antenna to enable bidirectional wireless data transmission with external devices.

Optical probe generates high-resolution images using intrinsic second harmonic generation signals, reducing invasiveness by eliminating foreign contrast agents.

A specialized glass composition inhibits biofilm formation on medical implants while maintaining biocompatibility.

A seal member defines a hermetic cavity enclosing electronic components while integrating electrical connectors within its wall structure.

Processor switches clock input to imager when signals desynchronize, correcting deviations and enabling downsizing.

A non-rotationally symmetrical peripheral groove in the endoscope head secures the shaft tube via form-fit engagement.

A shock wave device uses a reflector to focus energy from a plunger, replacing high voltage systems with pneumatic drive for lower cost.

A prosthetic device with an internal cavity holds antibiotic filler material to deliver therapeutic substances directly into surrounding bone tissue.

Hydrogel expansion spaces the radiopaque marker from the absorbable scaffold, preventing galvanic corrosion while maintaining visibility.

Integrating rotary and stroke gear drive elements onto one driveshaft reduces internal space and assembly complexity while maintaining continuous motion.

An articulating rotary cutting tool uses a flexible coupling to maintain constant rotational velocity at the distal tip.

Filling the gap between a projecting portion and fitting groove with adhesive prevents dirt accumulation while maintaining outer diameter integrity.

An optical probe uses an inclined light path to direct emission away from receiving fibers while maintaining stable tissue contact.

A modular distal assembly integrates imaging and lighting mechanisms onto a flexible circuit board within an end cap.

Adding heavy rare earths to magnesium alloys improves corrosion resistance and biocompatibility, preventing premature degradation in medical implants.

An ultrasonic catheter tip anchors into calcified occlusions using controlled vibrational modes.

Structured annular pole shoes align stator and movable element positions, eliminating rotational deviations that degrade optical focus in surgical instruments.

Front-mounted CMOS sensors eliminate prismatic light guides for 3D imaging, while a heat-pipe conducts thermal energy away from tissue contact points.

A manually actuated medical hose instrument operating device uses a telescopic guide and elastic prestressing to enable precise one-handed control.

An internal wetting agent copolymer of acidic and amide groups reduces dissolution time while maintaining transparency in biomedical devices.

An activity meter calculates an age-equivalent index from user body data and movement metrics to provide a tangible fitness benchmark.

Curved upper cover with connecting collar enables stable foot engagement, resolving discomfort from high-pointed conventional designs.

Radially inward cams on a tubular connector transfer rotative force to an endoscope spiral tube, eliminating expensive machined steel roller bearings.

A dental surgical system uses distinct electrical conductors to separate rotary motor power supply from control signals.

Spherically curved cover glass with constant thickness directs light beams perpendicularly through the optical path.

Acute-angle tool port on endoscope face tip eliminates blind spots by positioning the exit in front of optics for continuous visual control.

Binocular disparity feedback calculates annotation depth to prevent specimen overlap and ensure accurate placement.

An antenna array with eight receiving elements arranged symmetrically around a reference point to detect radio signals from a capsule endoscope.

A sterilization module uses a translating flag and sensor to verify cartridge alignment.

A rotating impeller expands narrowed body regions by drawing and expelling fluid, reducing procedure time and complexity during kidney stone retrieval.

Extracting the motor into a disposable capsule eliminates complex rotary junctions, reducing manufacturing costs.

Time division illumination generates pseudo white light images from fluorescence frames, maintaining high frame rates for both image types.

A sample collection device uses a movable inner cavity to transfer liquid samples into an outer reaction chamber for analysis.

Concave finger placement on the connector body enables preliminary alignment, preventing light guide damage from collision.

A flexible securement arm articulates a retractor blade to maintain surgical access.

A medical instrument power controller adjusts LED output based on activity state detected by image and motion sensors.

Replacing complex mechanical attachments with magnetic means eliminates sterilization difficulties and production costs while maintaining connection security.

A one-handed steering mechanism with nested actuators enables precise 360-degree articulation of a steerable catheter distal portion.

A posture measuring device with a moveable elongated member detects skull displacement from the vertical axis.

A diameter-enlarged portion in the treatment tool insertion path expands toward the outlet to enable reliable cleaning of the elevator housing.

Microwave heating of polar-molecule thermosetting resin secures the image-acquisition device to the objective lens frame.

Segments optical path and treatment channel to reduce outer diameter while maintaining precise instrument guidance.

A shear-thinning polymeric hydrogel maintains tissue separation through viscoelastic self-healing.

Synchronous serial communication transfers endoscope parameters and real-time data using existing paths.

Automated pre-cleaning apparatus for flexible endoscopes integrates a lift system and dual sinks to manage cleaning fluid.