Surgery TRIZ Cases

EDC crosslinking stabilizes polyelectrolyte multilayer films, enabling high protein incorporation and sustained bioactivity without burst release.

Curved distal surface deflects accessory device protrusions, preventing snagging that increases procedure time and risks device damage.

A skin examination system merges epiluminescence microscopy with optical coherence tomography for comprehensive imaging.

An automated primary cell isolating apparatus integrates slicing, centrifugation, and liquid transfer modules to streamline biological sample processing.

A controller adjusts image sensor readout configurations on a per-frame basis to synchronize emitter operations with pixel array binning.

Inverting the clamp arrangement reduces head height while snap-fit mechanisms maintain centring precision and holding strength.

A catheter cuff deployment device positions a hollow cylindrical cuff along the longitudinal axis of an elongate tubular body.

Protrusions on an auxiliary body reduce thumb reach distance and strain during rigid knob manipulation.

A medical overtube positions ventilation holes 5 to 100 mm from the proximal end to enable gas communication between the outer surface and insertion passage.

Floating cylinder adaptor merges multiple connectors into one device, reducing procedural clutter while maintaining fluid-tight seals across platforms.

A voice coil motor moves a lens frame using drive signals from selectable controllers to maintain focus in an endoscope imaging device.

Offset illumination pulses multiple wavelengths to resolve fragility in handpiece sensors, enabling precise tissue identification.

Segmented slots grip ticks without compression to prevent rostrum retention and infection risk during outdoor use.

Flexible membranes allow relative tube movement for thermal expansion compensation, ensuring permanent fluid-tight sealing under high temperature loads.

A medical device maintains surface wettability using a polymer layer containing carboxylic acid and amide structures.

A dynamic urine monitor uses weight and density sensors to collect continuous fluid data.

Slidable third tubular body within tandem lumens enables rapid exchange catheter advancement over short guide wires for solo operation.

Citric acid polyester and hydroxyapatite composite resolves brittle ceramic processing limits while accelerating degradation within one year.

Blending polymeric materials with distinct hardness levels to achieve a predetermined drug loading capacity for implantable devices.

Aligning lens group axes in an endoscope optical system delivers appropriate depth perception while reducing eyestrain during prolonged near-point observations.

Grouped LED output adjusts for endoscope light guide diameter, reducing waste heat and cooling fan noise.

A capsule with a biodegradable coating and sampling hydrogel absorbs gastrointestinal fluid to enable non-invasive targeted sampling.

Segmenting the lid into a sealing plate and protruding handle resolves the trade-off between robust liquid sealing and easy removal for maintenance.

Segmented base frames and self-locking fasteners enable tool-free assembly while maintaining structural integrity on uneven terrain.

A single button adjusts the variable direction of view endoscope sequentially, reducing user error and complexity from multiple buttons.

Inverting illumination inside the head separates arousal pupillary responses from ambient light fluctuations.

Nested guiding elements expand tool delivery capacity within endoscope shafts, resolving space constraints from vision and suction mechanisms.

A rotary unit with spiral fins adjusts rotation speed to move an endoscope insertion section through a lumen.

A pre-filled syringe gasket uses a cut inactive resin film to reduce sliding resistance on the barrel interface.

A patient marker with specific structures visible to imaging systems enables autonomous image acquisition and setup.

Segmented rigid elastic members induce ischemia for healing while preserving blood circulation.

A composite calibration marker integrates radiographic and magnetic resonance components to enable precise imaging across modalities.

Merging ovoid tubes with a central tube reduces part count, streamlining sterilization while maintaining radiation delivery precision.

A processor-controlled endoscope adjusts illumination spectra based on fluid detection to enhance image clarity.

A fluid specimen cup uses a position stabilizer to direct urine toward test strips in the lid.

A cannula-based tissue engagement structure grips and aligns separated tissue edges for precise repair.

Elongate tube with increasing inner diameter draws blood via syringe coupling to detect thrombus presence, eliminating expensive imaging equipment requirements.

Feedback control compensates for red LED wavelength shifts during intensity changes, maintaining accurate color tone.

Integral suction lumen maintains negative pressure flow while a fluid-filled container detects leaks via bubble formation.

Sealing plugs isolate the endoscope channel flow path to prevent contamination during replacement, eliminating complex cleaning steps.

Augmented reality glasses synthesize virtual visual stimuli onto real-world objects to enable natural brain-computer control without monitor constraints.

Gearbox-driven probe arms adjust convergence to resolve the trade-off between depth perception and device complexity.

A diagnostic kit merges a specimen collector and detection device via a porous connector to enable continuous fluid flow.

A hollow elongate body collects sample fluid via an inlet and delivers it to a coupled sensor using a pressure difference for precise molecular analysis.

A diffraction grating converts ultrasonic vibration into surface acoustic waves for contamination removal.

Vacuum suction removes clippings without adhesive tape, preventing allergic reactions while maintaining proper technique.

Cold working and heat treatment create a variable stiffness structural support member that reduces push force requirements in tortuous vasculature.

An endoscope system calculates a movement amount index from captured images to determine if conditions suit biological information correction.