Surgery TRIZ Cases

A heat dissipation member contacts the lens frame and imaging unit to transfer thermal energy away from optical components.

Light path analysis detects particles while acoustic energy dislodges deposits, preventing rotor blockage and maintaining continuous blood flow.

A three-step process creates a stable titanium oxide layer that reduces platelet adhesion while promoting endothelial cell growth.

Automated tensioning machine secures and crimps endoscope steering wires to precise force levels, eliminating manual variation in bending performance.

An integrated valve and air pump apply negative pressure to detect leaks in the endoscope internal space, preventing equipment failure from hidden holes.

A segmented guidewire carries multiple sensors spaced along its distal portion to detect physiological parameters at different locations within an artery.

A scanning beam device uses a resistive heater to maintain stable optical element temperature, reducing positional inaccuracy and image distortion.

Segmented sensors feed contextual data into an intermediary activity manager that reduces false alarms by cross-validating signals before triggering alerts.

Acoustic vortex beams fragment renal calculi with lower amplitudes, minimizing soft tissue damage and pain.

Dynamic trigger signal generation reconfigures ultrasound waveform characteristics without hardware changes, eliminating reconfiguration delays.

A clamp and hook apparatus secures a dental suction hose to the operative field.

A movable second lens group resolves the contradiction between high magnification precision and wide observation range in endoscope objective optical systems.

Oriented cellulose fibers in thermoplastic polymers create biocompatible medical implants with enhanced mechanical strength.

An ultrathin endoscope auxiliary system uses an overtube and deflecting member to adjust instrument orientation.

An elastically deformable member within a medical instrument channel adjusts its cross-sectional area to stabilize end effector positioning.

A three-group objective optical system uses a movable negative lens group to achieve high magnification.

Segmented solid cores separated by hollow tubes in the fiber reduce cross-talk, enabling ultrafast single-cell detection.

Gas filling prevents liquid entry during outer rinsing, enabling separate sample collection to distinguish bacterial contamination locations.

A capsule endoscope positions a traction member along the optical axis to reduce its visual presence in captured images.

Nested electrode layers in an ostomy sensor patch detect moisture propagation, resolving adhesive failure risks while managing device complexity.

A deflection movement transmission device uses a spherical pivot portion to articulate movement transmission wire bodies for precise bending control.

A ratiometric fluorescence imaging system produces synthetic formulaic images using multiple excitation beams and combined reflectance data.

Accordion walls expand the container, reducing storage volume while maintaining functional reliability.

An instrument lifting braking mechanism uses a rotating spring sliding on an arc-shaped fixed wall to reduce dynamic friction and improve operability.

Curved support arms follow eyeball contours to prevent corneal damage and levator muscle injury during eyelid widening.

Segmenting the reamer into a press-formed cutting body and base minimizes stress-induced deformation while enabling low-cost disposable manufacturing.

Segmented tibial and femoral cone augments address tibia bone loss by enabling precise intramedullary canal preparation via dedicated surgical instruments.

A medical device harness uses a narrow printed wiring board to enable electrical operation checks before cable insertion.

Electrowetting mechanisms actively transport sweat samples into sensor communication, resolving contamination risks at low generation rates.

A controller-managed tissue processing apparatus automates reagent supply and gas evacuation within a sealed reaction chamber.

Internal and external lightmaps provide realistic lighting for endoscopic visualization without the computational burden of multiple point sources.

Circumferential optical sensors on an expandable member measure light intensity at multiple wavelengths to calculate perfusion indexes.

A sampling capsule employs shape memory alloy clamping arms to manage tube openness, preventing liquid leak and contamination during gastrointestinal sampling.

Rare earth doped fluorapatite resolves biocompatibility and translucency contradictions, enabling stable in-vivo monitoring.

A flexible helical coil marker conforms to organ shape changes while maintaining visibility under X-ray and ultrasound imaging modalities.

Segmented fluid flow features in the barrier remove trapped urine between device and skin, reducing irritation risk for immobile users.

Magnetic compression devices use degradable retention bands to transition from wide to narrow configurations, eliminating additional enterotomies and suturing.

Covalent peptide attachment in layer-by-layer coatings sustains antimicrobial strength while reducing cytotoxicity and infection risk.

A biocompatible thermoplastic material enables 3D printing of implantable devices incorporating pharmaceutical agents and radio-opacifying additives.

Segmenting the outer layer into porous and solid regions distributes bending stress while maintaining air and liquid tightness at the connection portion.

Adjustable translating arms enable precise blade positioning to resolve the trade-off between adaptability and device complexity.

A spiral coated stent combines degradable medical polyurethane with a magnesium alloy substrate to deliver controlled mechanical integrity.

A bandage contact lens uses antimicrobial nanopillars and a hydrogel core to deliver medication.

Mating notched surfaces on the arm and blade secure the component against radial swiveling, ensuring stability during quick changes.

Liquid biocompatible material injected into joints solidifies to replace worn cartilage, preserving healthy bone tissue and reducing convalescence time.

A handheld endoscope features a steerable cannula and integrated imaging module for single-operator procedures.

Graphical user interfaces with selectable threshold offsets enable clinicians to assess autoregulation status despite fixed device limitations.

A unified tracking system merges operation amounts from control devices, light sources, and endoscopes to identify combination-specific failure symptoms.

Absorbent thread assembly soaked in MR-visible fluid resolves plastic applicator voids and eliminates CT radiation exposure.

A measuring device with a light detection unit determines characteristic parameters of endoscope lighting to readjust maximum luminosity.