Surgery TRIZ Cases

Chemical modification of polyamides with carboxylic acid groups reduces water absorption while maintaining structural integrity during insertion.

Multi-layer coatings on surgical instruments provide corrosion resistance and distinctive visual identification through vapor deposition.

Sequential biaxial straining aligns polymer chains in semi-crystalline tubes, enabling isotropic mechanical properties that withstand structural loads in vivo.

Deformable spring positions sponge against endoscope lens, preventing fogging and maintaining visualization during surgery.

An automated processor manages histological samples through dedicated treatment stations using integrated handling devices and a cooling unit for embedding material.

A radiolucent anatomical marker features a radiopaque indicator for precise localization over skin targets.

A disposable flexible membrane with reversible adhesiveness protects camera lenses during surgery.

A dedicated rectal overtube vacuum removes stool and sediment independently of the colonoscope channel, preventing clogging and reducing procedural time.

A body fluid testing device integrates a dedicated light source with a magnifying lens group to capture clear sample images for user terminals.

A state-based graphical user interface overlays selectable buttons onto live imaging data within portable non-destructive testing devices.

Information processing apparatus sorts in-vivo images using capsule positional data to organize visual sequences along the digestive tract path.

A connector design maintains ground contact after signal decoupling to manage residual charge discharge paths.

Integrating a finger placing portion into the rotational knob allows single-handed operation, resolving the trade-off between ease of use and device complexity.

A flow diverter with a sealing strap creates a gas-tight seal on endoscope buttons, redirecting aerosolized gas away from operators.

An orientation calibration system leverages sensor feedback to maintain orthogonal alignment, preventing skewed images in medical and construction applications.

A tapered portion and adhesive layer join the tubular member to the insertion portion, eliminating radial steps that disrupt smooth movement.

Offset imaging element central axis relative to optical axis enables narrower distal end diameter while maintaining functional component space.

A rotatable circumcision device uses an angled blade to cut penile tissue, reducing bleeding and injury risks during the procedure.

Elastic coil springs stabilize chains to prevent locking and bending, ensuring precise control and reducing operational noise.

A collagen-chitosan membrane uses sequential tannic acid and genipin crosslinking to form a durable implant.

Operation section wire guides maintain tension and change pulling directions to prevent unintended bending when tilting exceeds a predetermined range.

Aerosol deposition via supercritical CO2 nebulization creates nanowire meshes and porous ceramic structures.

Disposable circumcision apparatus uses round blade angles and a flexible locking mechanism for standardized operation.

A fluid control device uses a spherical valve component to maintain uniform lumen diameter.

An in-vivo device switches between RF and electrode communication circuits to maintain data continuity.

Rotating raising base guides treatment tools to prevent misalignment during insertion.

A detection module retrieves identification information from diagnostic medical devices to unlock proprietary programs on a medical measurement system.

A staged expandable trial distributes distraction stresses across vertebral endplates.

A track ball interface manages endoscope curvature angles and scope functions through a single grip-mounted control element.

Automated robotic steering replaces manual manipulation, reducing procedure time and costs through real-time 3-D mosaicking.

Composite coatings merge lubricious polymers with mannose or honey to reduce bacterial contamination while maintaining patient comfort during insertion.

An endoscope measurement device uses an inclined auxiliary light beam to create a visible spot, resolving beam divergence issues at varying distances.

A heater unit with a selective insulating sealing portion prevents optical fogging in endoscopes.

A porous cartilage repair implant and auxiliary surgical tool kit enable precise alignment during tissue integration procedures.

A meniscus lens with a concave surface facing the object side corrects chromatic aberrations in an endoscope magnification optical system.

Adipose-derived mesenchymal stem cells decrease neointima area and cellular proliferation within arteriovenous fistula vessels.

Segmentation separates the optical module from the main body, resolving maintenance complexity while preserving bending flexibility.

A cannulated flexible drive shaft uses interlocking triangular pins and sockets to transmit torque in both rotational directions.

Multi-spectral signal descriptors enable precise fluorophore state differentiation in medical observation devices, resolving measurement precision limits.

A synthesizing section merges front and side viewing optical paths onto a single imaging plane to capture both views simultaneously.

A flexible outer tube with a slack portion and movable segment adjusts longitudinal displacement of an inserted treatment tool.

A sealing cap with a diaphragm valve dispenses preservation solution into a sample vessel, resolving reliability issues in remote collection.

A biodegradable capsule expands inside the stomach to simulate fullness and suppress appetite.

Nested shape-memory wires define radial dimensions, eliminating calibration steps and streamlining anatomical lumen sizing.

Filling porous membrane voids with hydrogel precursor balances high toughness and strength against low strain modulus preservation.

Superparamagnetic nanoparticles bind to cancer cells and concentrate them via a magnetized rod, reducing false negatives in bone marrow sampling.

Multiple reservoirs connect via a manifold to maintain water volume, eliminating procedure interruptions from frequent refills.

An in-mold labeling process fuses an identification code with the tube body to maintain code stability at low temperatures.