Surgery TRIZ Cases

Interchangeable working ends on a powered actuator reduce surgeon fatigue and improve disc space preparation.

Dynamic diaphragm adjustment manages the trade-off between high resolution and deep focus, reducing noise in endoscope systems.

A segmented detection system uses a radio-opaque substrate to shield non-patients from stray radiation while enabling precise measurement of stent slippage.

An annuloplasty device with a spring linking element relocates papillary muscles to resolve leaflet tethering and improve coaptation.

Independent FPGA logical blocks maintain bending continuity when primary sensors fail, preventing system shutdowns during examinations.

A foldable body fluid collection device uses an absorbent portion hinged to support panels for direct sample insertion.

Coplanar electrodes in a low-profile balloon generate shock waves to treat tight occlusions without increasing device diameter.

A carrier member with attachment members engages connective tissue to stabilize repair sites.

Curved cutting teeth on a hemispherical reamer ensure uniform acetabular surfaces while maintaining instrument reusability across multiple procedures.

Segmented reflective surfaces fan out illumination light in a pivotable endoscope, resolving the trade-off between wide coverage and device complexity.

Reciprocally movable connectors enable rapid detachment of the probe unit, resolving hygiene and operational complexity.

An acetabular impactor uses removable engagement fingers to hold the cup during insertion.

An articulating inner tube steers a viewing assembly to access remote surgical sites, resolving the trade-off between structural stability and adaptability.

Rotatable C-mount couplers on hand-held units resolve the trade-off between ease of operation and device complexity by merging imaging and fluid management.

Radiopaque markers on a radiolucent body enable precise localization of surgical sponges in medical images.

A 3D vision processor unit pre-processes camera data before transmission to a system on a chip.

An acceleration sensor detects head-mounted display tilt angle, enabling sterile adjustment without user contact during endoscopic procedures.

Clamping elements fix pivotable attachment plate angles reversibly, solving irreversible fixation bottlenecks in spinal implants.

A radiopaque nickel-titanium alloy incorporates gold, platinum, or palladium to enhance visibility.

Segmented light emitter columns project sequential fringe patterns to enable accurate 3D surface mapping while reducing computational complexity.

Segmented bioresorbable polymer devices elute antimicrobial agents to prevent infections while avoiding long-term complications from permanent foreign bodies.

A mesh retriever transitions between collapsed and expanded states to capture intravascular material within a catheter lumen.

Segmenting a composite into non-porous anti-adhesion and porous hemostatic layers resolves the trade-off between tissue integration and functional reliability.

Radial flange on intervertebral disc core restricts rotational motion, preventing endplate contact damage.

Integrated cutting tool reshapes femur ends in one motion, eliminating misalignment risks from multiple instruments.

A tubular articulation joint uses springs bonded to metallic rings to enable transverse bending in steerable medical devices.

An endoscope system calculates oxygen saturation using multi-frame images and a correction unit that determines measurement correction values.

A sanitary urine glucose sensor uses a lens and rail to direct a detection beam for rapid measurement.

Resistance feedback circuits stabilize SMA wire expansion against body heat, while spring mechanisms accelerate optical adjustments.

An assay device uses a vibrating indication structure to generate sound when the cover seals the chamber.

An adapter converts light intensity into electrical instructions to control on-board endoscope generators.

A segmented objective optical system corrects aberrations and secures a long back focus without requiring a polarizing prism.

A movable guiding valve transitions between inclined and retracted states to feed the endoscope insertion part, reducing operator expertise requirements.

A medical system displays reach information to guide precise catheter positioning.

A thin plate-like flexible substrate connects electrical components to a power supply line, preventing signal disconnection during bending.

Segmented front and rear lens groups expand the angle of view beyond 100 degrees while maintaining optical performance in a compact distal end portion.

A catheter with a distal vacuum accumulator generates sudden negative pressure pulses to ingest intravascular matter.

An endoscope cleaning apparatus uses an adjustable resilient polymeric wiper to clean the imaging element surface.

An expandable sheath inverts to surround a removal tool and vascular obstruction during extraction.

An annular mechanical actuation unit forms a peripheral grip surface on the handle.

Symmetrical magnetic force holds the plunger against vibration-induced accidental opening, ensuring reliable clamping without adding mechanical complexity.

An inclined contact surface on a resin covering member fastens to the distal hard portion, eliminating gaps and air bubbles during assembly.

Semi-aromatic polyamide orthopedic tools replace commodity plastics with high-performance materials.

Transparent film protects Albarran lever from contamination while allowing manipulation.

A tubular tissue retractor uses elongated blocking members to prevent displaced tissue from obstructing the surgical working channel.

Synchronization signals identify imaging units in capsule endoscopes.

Segmented multilayer structures achieve uniform and prolonged drug release while maintaining biocompatibility across medical devices.

Segmented body sections align asymmetrically to protect stents from fragmentation during insertion into hemostatic valves.

A diagnosis assistance device detects eye gaze direction using dynamic image attributes to support medical evaluation.