Surgery TRIZ Cases

A conduit control device uses elastic members to seal gaps between the piston and cylinder, ensuring reliable airtightness during operation.

Pneumatic section curtain wings capture escaping aerosols and spatter while integrated LED lighting improves workspace visibility for dental practitioners.

A capsule endoscope adds identification data to image streams from multiple CCDs for clear source recognition.

Segmented thin layers resolve polymer thermal damage risks while porous oxide structures improve osseointegration reliability.

A helix flute bone cleaning tool removes soft tissue from skeletal surfaces using specialized cutting spines and apertures.

Spring-loaded slender elements expand to dilate the pupil, reducing surgical complexity by replacing multiple instruments with one integrated device.

Metal injection molding creates monolithic zirconium-based amorphous metal horns, resolving manufacturing precision and production cost trade-offs.

A self-contained wound closure apparatus uses a ratchet-rivet mechanism to deploy and secure a bio-compatible plug within the surgical site.

Radial engagement between connecting portions maintains a continuous through-opening, eliminating rivet obstructions that constrict the working channel.

A lens holding member protrudes a lens to align the optical axis with illumination light in a compact endoscope device.

An adjustable spacer system uses a hemostatic valve and latch to control insertion depth while preventing fluid leakage during marker deployment.

A rigid partition wall and check valve separate internal spaces in an endoscope, preventing vapor entry during autoclave sterilization.

Segmented blades expand radially to prevent tissue collapse and ensure complete cervix visualization during examination.

Expandable shunt rivet establishes an artificial aortocaval fistula to treat chronic obstructive pulmonary disease by enhancing blood circulation.

A control unit determines blood glucose levels using body fluid concentration and biometric data from an autonomic nervous system acquisition unit.

Varied cutting edge geometries distribute loads to extend service life and reduce vibration.

An elliptical ring plug and case form a pin insertion passage to prevent water infiltration into the exterior member during high-pressure steam sterilization.

A capsule endoscope uses thermally conductive elements to transfer heat from internal components.

Semi-permeable membrane shields stem cells from immune attack while releasing paracrine factors to resolve washout and retention issues.

Projection deformation in roller groove prevents circulation device offset, maintaining driving force for endoscope entry into tortuous body cavities.

A blade insert illuminator conducts light through a plastic waveguide, solving deep tissue illumination issues caused by small fiber optic emission areas.

A full-core biopsy needle uses a superelastic finger to transition between retracted and extended positions for tissue sampling.

An external mechanism uses a motor to rotate the endoscope bending knob, automating sub-bending control.

Nested relay adapters isolate frequent connection cycles from processor receptacles, extending component lifespan while maintaining compact spatial footprint.

Radial folds compress the disc for trocar insertion, then expand it to seal wounds and absorb fluids.

A urine sample collector integrates a collecting chamber into an intermittent urinary catheter assembly to enable simultaneous fluid drainage and specimen capture.

A micro catheter wall transitions from a proximal braid to a distal helix structure.

Spatial-tracking sensors detect rotational offsets in oblique-viewing rigid endoscopes to update camera matrices for precise intraoperative visualization.

Differential signaling transmits data through complementary voltage pairs, eliminating redundant cables to improve NDT device maneuverability.

A flexible negative pressure system uses interchangeable connectors to switch between canisters and absorbent dressings for wound therapy.

A vacuum tongue cleaning device uses a U-shaped trough to direct suction flow for debris removal.

A ring member covers the adhesive agent on an endoscope curved section sheath to bond the filamentous member securely.

A computerized system delivers extrinsic stimuli to individuals for objective mental state assessment.

Optimized stop positioning at anti-nodes minimizes energy loss in the waveguide.

A double-lumen tube isolates the guide wire from the collecting basket, enabling free rotation for stone removal.

A flexible hernia prosthesis uses a temporary planar support to enable precise surgical placement and secure fixation.

A breast CT system uses robotic guidance to locate lesions in uncompressed tissue.

Dual pressing members detect muscle contractions via reaction force ratios, eliminating complex electrode gel application.

A detachable sample chamber with a compressible absorption element releases liquid analytes for testing.

A zinc-silver alloy stent provides superior mechanical stability and controlled dissolution kinetics.

A capsule endoscope acquires partial image data and position related data to generate overall images.

Segmented primary and supplemental blades articulate simultaneously to prevent tissue creep into the surgical site.

Sliding nested tubular bodies enable proximal signal line connection without extra length, resolving space constraints in small-diameter endoscopes.

Time reversal waveforms drive transverse and longitudinal vibrations at the operative tip, improving bone cutting speed while reducing heat generation.

A fiber-based STED microscope uses temporally incoherent linearly-polarized modes to generate a donut-shaped depletion beam.

A malleable tunneling device with an interchangeable handle facilitates one-handed insertion through subcutaneous tissue.

A PAMG-1 antibody assay detects preterm labor risk in asymptomatic women.

Monocrystalline diamond prisms expand the viewing direction range beyond ninety degrees while maintaining compact dimensions for surgical access.

A hybrid endoscopic instrument transmits user force through an intermediate element to enable precise deflection control.