Surgery TRIZ Cases

A light module uses collimators and mirrors to direct LED emission into a guiding element for endoscopic systems.

A movable second lens group in an endoscope objective optical system adjusts magnification while maintaining image focus.

Nested expandable frame and sealing engaging portion capture emboli in the ascending aorta, eliminating additional access sites for contrast delivery.

Glucose sensors detect exudate levels to control vibrators, accelerating healing by increasing blood flow and cellular arginine production.

Surface treatment increases adhesion on polyolefin segments, eliminating complex pressure differential assembly steps.

A flexible catheter features an expandable storage unit that accumulates and releases fluids through elastic deformation.

Automated image analysis eliminates manual errors by simultaneously quantifying nucleus, cytoplasm, and membrane pixels in biological tissue samples.

A flexible sleeve secures tubular bowel tissue to a conduit while maintaining blood circulation and resisting peristaltic movement.

An adjustable magnetic surgical traction system pulls internal tissues remotely, reducing blood loss and scarring from large incisions.

A capsule medical apparatus uses board retaining members to mechanically constrain circuit boards and battery segments within a casing.

A retrieval assembly uses a bendable second tube and entangling coil to engage misaligned vascular implants for safe retraction.

Replacing adhesive with a resin molded member prevents deterioration from body fluids and maintains water removing performance.

Moving the second lens group enables normal-to-magnified observation switching, while a cemented third group corrects chromatic aberrations.

A polyphenol coating forms rapidly on carrier materials using a Tanfloc colloidal suspension under ultrasonic vibration.

A capsule medical apparatus uses a central reed switch to control power supply via external magnetic fields.

PECVD deposition and etching-back creates porous DLC films with defined pore structures for drug delivery applications.

A coaxial micro-endoscope uses a reinforcement member to restrict axial compression of the column member, causing the distal tip to deflect laterally.

Flexible neck centering resolves decentering in complex luminal organs, enabling unsedated imaging.

Merges the display and manipulating parts into a single housing to resolve the trade-off between ease of carrying and device complexity.

Integrating fluoroether or silicone segments into the polymer backbone eliminates coating steps and reduces thrombosis risk in catheters.

Integrated piezoelectric sensors analyze shockwave characteristics to resolve measurement precision trade-offs in soft tissue therapy.

A fluoroscopy apparatus calculates confidence levels for high-luminance regions using physical quantity changes.

A saliva collection kit uses a chewable hydrogel to absorb fluid and a cotton filter to purify the sample.

Low-intensity transcutaneous trans-abdominal stimulation monitors nerve health without patient movement or total intravenous anesthesia.

A fluoroscopy apparatus calculates target displacement to control fluorescence image normalization.

Direct speciated isotope dilution mass spectrometry quantifies total glutathione species in blood samples.

Movable entry lenses expand the base distance for accurate depth measurement, resolving the trade-off between insertion size and stereometric precision.

Poloxamer P188 shields adipocyte membranes from mechanical stress and ischemic injury, reducing apoptosis and improving graft survival predictability.

A passive pressure oscillation assembly pulses fluid communication between a pressurized source and an aspiration flow path to clear catheter blockages.

An external mechanism integrates a motor-driven bending wheel with an endoscope to reduce finger load during operation.

A nasal speculum uses a resilient arc-shaped connector to align arms symmetrically.

Cured sealing material in a lens recess positions the diaphragm accurately, enabling endoscope miniaturization and improved image contrast.

A unibody surgical retractor uses a bendable pin and retainer track to secure the device directly to bone.

A suppressor diode and resistor in parallel protect the measuring device from voltage peaks generated by projectile impact.

A pre-computed knowledge base of Digitally Reconstructed Radiographs enables rapid signature matching between pre-operative and intra-operative images.

A ring-shaped sensor detects a length-selective pattern on an invasive instrument to determine penetration depth.

A biological membrane preparation method using supercritical carbon dioxide cleaning to remove residues while preserving structural integrity.

A handheld endoscope uses a 140-degree field of view lens and symmetrically arranged LEDs to capture wide-area surgical images.

A cannulated adhesive applicator uses a breakable capsule to release liquid through a shaft for precise tissue bonding.

A trial template features a viewing window between support members to visualize bone quality during arthroplasty procedures.

A bone graft harvesting apparatus uses a rotating blade tip and vacuum system to collect tissue.

A graduated scale on a biological sample collection device provides visual depth measurement guidance.

Oblique shaft positioning reduces finger strain for smaller hands by improving lever mechanics during multi-directional curvature.

A tissue retrieval net uses a shortened tether to secure the mesh without full-length cables.

A computed tomography imaging process corrects source and detector misalignments using projection data analysis.

Segmenting a microneedle patch into dissolvable supports and drug carriers prevents prolonged skin contact that causes allergic reactions.