Surgery TRIZ Cases

A multifunction pocket endoscope integrates an inspection camera, distance meter, temperature sensor, laser pointer, and flashlight into a compact base body.

Composite herbal extracts sustain energy levels and mental alertness by resolving the contradiction between instant glucose spikes and prolonged endurance.

A medical device handle uses a transverse slot with detent positions to secure a movable fitting, enabling ergonomic customization.

Optical fiber transmission replaces copper wiring to eliminate electromagnetic interference and signal loss in medical imaging devices.

A medical device projects a laser marker onto skin to indicate the puncture point.

Automated cervical image acquisition subsystem captures images at predetermined intervals while a display subsystem generates visual progress indicators.

A supramolecular bioresorbable material blends modular polymer units with quadruple hydrogen bonding to incorporate biologically active compounds.

An integrated endoscope combines OCT optics with acoustic stimulation to measure eardrum vibrations.

A handheld otoscope combines optical coherence tomography depth data with 2D images to generate a three-dimensional view on a single screen.

A sliding collar locks an orthopaedic reamer shell to a driver shaft, reducing incision size while maintaining secure attachment.

A suction cup instrument grips acetabular cups via vacuum engagement without contacting the bearing surface.

Permanent magnets on coupling halves self-align via magnetic forces, simplifying motor assembly in endoscopic instruments.

A surgical drill driving unit moves along a motor shaft to adjust tool position, reducing friction between the tool holder and housing that causes misalignment.

Chemically grafted hydrophilic polymer chains modify rubber vulcanizate or thermoplastic resin surfaces for medical device applications.

A detachable camera head system segments image pickup from processing to reduce weight and simplify sterilization.

A selectively permeable membrane vents excess gas to maintain pressure equilibrium, preventing tissue ingrowth and ensuring smooth drug delivery.

Segmented curved flow paths redirect fluid to clean the endoscope window while minimizing pressure drop.

A plunger with a circular flare deforms into a non-circular shape while passing through a barrel guide channel to enable assembly.

Alternating low and high strength segments in the check valve prevent curl-back deformation, ensuring reliable sealing between the piston and cylinder.

A dilator system with a reduced profile proximal portion enables sheathless guide catheter delivery.

An endoscopic system uses expandable members to anchor within the colon while an articulated navigation section bends through flexures.

Information processing device synchronizes vascular tomographic and fluoroscopic image frames for precise display.

Model-specific guide channels align tools with tight valve ports, eliminating pre-bending and reducing reprocessing time.

Integrated sensors monitor fluid flow and pressure to identify kinks, leaks, or clogs, maintaining optimal procedure efficiency.

Porous outer anti-fouling membranes protect movable flow control diaphragms from external tissue pressure in shunt valves.

Encapsulated camera module fixed within a mounting housing using interposed material to inhibit stray light passage.

Segmentation separates the fixed image barrel from a rotating movable barrel, resolving the contradiction between instrument positioning and image stability.

An angled blunt distal end engages calculi to prevent ureter puncture while ultrasonic vibration fragments obstructions for safe aspiration.

Removable ultrasound transducer module creates thermal lesions at precise depths, eliminating patient trauma associated with invasive brow lift surgery.

Asymmetric guide bush recesses prevent slippage during high-speed rotation, reducing frictional heating and extending clamping system service life.

Segmented flexible tubes with larger curvature radii in proximal sections minimize acute bending and patient discomfort during endoscope insertion.

Preoperative calibration characterizes optical distortion to correct tunnel placement errors during anterior cruciate ligament reconstruction.

Periodic gratings in a light guide generate diffracted light to measure bending, reducing system complexity and cost.

An ultrasound catheter delivers ultrasonic energy to promote thrombolytic drug diffusion at the treatment site.

Automated mosquito dissection system extracts salivary glands using robotic pick-and-place mechanisms.

Articulated loops and guides enable secure object retention in anatomical cavities without distal tips that cause bleeding.

A medical insufflation system uses a pressure sensor to detect valve states and switch between air and carbon dioxide sources.

A disposable endoscope cover uses a projecting section and through-hole for secure positioning during medical procedures.

A partition plate with elastic members separates air and water conduits in an endoscope cylinder.

Segmentation separates optical paths to capture near infrared data, resolving device complexity constraints.

A tone correcting circuit section switches correction characteristics to optimize image signals for different observation modes.

A tapered sample collection device uses a grooved tubular lower portion to transfer viscous saliva into compact containers.

Catadioptric endoscopic device merges overlapping annular views to resolve limited field of view and contamination issues.

Thermal processing of nitinol frames induces R-phase structures that withstand cyclical loading, resolving fatigue reliability trade-offs in cardiac devices.

Bilateral and trilateral positioning members align endoscope mouth rings with supply nozzles, resolving manual connection complexity.

Multi-working channel device with a stylet-guided balloon deploys to contain insufflated gas within the alimentary canal.

An endoscope device detects attached optical adapters via integrated circuit tags to automatically load specific configuration settings.

A multi-use surgical tool engages acetabular shells and liners for secure positioning during hip implant procedures.

Segmenting the cap body from the elevator assembly allows removal for cleaning, resolving maintenance complexity while maintaining stable support.