Surgery TRIZ Cases

A breakable cap secures a liquid-impermeable, gas-permeable filter on an endoscope sleeve to prevent contamination during sterilization.

Dynamic rotating and attracting magnetic fields overcome surface tension while minimizing power source load during capsule endoscope navigation.

A gravity-fed fluid control device manages irrigation flow and pressure in arthroscopic surgery using a high-mounted reservoir.

Segmented grating and reflective components reduce probe diameter while maintaining high-definition forward-view imaging in small vessels.

A porous sample collection device captures pathogens from exhalation airflow using electrostatically charged nonwoven media.

An ECM hydrogel coating on synthetic mesh reduces foreign body response and fibrosis while maintaining mechanical strength.

Radial expansion of a shape memory polymer foam expansion unit captures blood clots, preventing distal embolization from fragmentation during retrieval.

Sequential angular illumination isolates single scattering signals from noise, resolving the trade-off between measurement precision and device complexity.

A specially-shaped chew toy collects saliva to measure glucose levels, eliminating stress-induced inaccuracies from invasive blood sampling.

A conductive member links a metal reinforcement frame to an exterior ground path within an endoscope distal assembly.

Segmented bioabsorbable plugs seal fistulae while absorbing into tissue, eliminating secondary removal surgeries.

Optical fibers link independent illumination and detection modules in a modular imaging system, allowing maintenance and upgrades without realigning the entire device or losing confocal character.

A local shimming system uses multi-channel coils to optimize magnetic field homogeneity in MRI.

Spiral structured porous sheets and dense outer tubes bridge large nerve gaps while preventing scar tissue infiltration.

Segmented retaining members engage grooves on the distal end component portion to prevent falling off during high-pressure liquid jetting.

A copper-tin-zinc alloy plating creates durable biocidal surfaces on metal hardware.

Graded elastic index segments buffer high-pressure arterial flow to prevent intimal thickening at dialysis access anastomosis sites.

Segmented immobilization and automated repositioning corrects respiratory motion to minimize healthy tissue damage during charged particle therapy.

A diagnostic marker tool uses suction elements for secure mounting on imaging receptors.

Processor groups speech recognition results using detected delimiters to preserve relationship information without increasing recording system complexity.

A multi-source light device combines red, blue, violet, and white LEDs to illuminate endoscopes.

Filter assembly retains particulate matter from urological irrigant flow, preventing urinary tract blockages and enabling diagnostic analysis.

A spiral strip running through a slot rotates an optical element to alter the camera viewing direction.

A lubricating housing applies consistent coating to colonoscopes during insertion.

Universal guide bushings enable progressive bone canal enlargement while reducing stress and heat generation in hard materials.

An endoscope inserts into the pericardial space and maintains an inverted U-shaped configuration to support stable positioning during heart surgery.

A handle system extends a protective sleeve over an endoscope using a detachable portion and expandable head for secure coupling.

Dynamic diffuser motion averages optical path differences to reduce speckle noise while maintaining high luminance and minimizing light quantity loss.

Integrating pediatric dosing instructions onto defibrillator electrodes eliminates separate tape storage and reduces emergency response time.

Square slot tracks align protruding lens assemblies to resolve manufacturing precision constraints while expanding the field of view.

Adjustable beam shape and angle devices align multi-wavelength light sources for uniform endoscope illumination.

Flexible tabs compress radially onto soft endoscope tips via a sliding retainer, creating pressure-resistant seals without damaging deformable materials.

Dual-layer electrospun sheaths prevent adhesion while enhancing mechanical strength for ruptured tendon repair.

A surgical chisel features a bent blade and an extended hammered portion projecting opposite to the cutting edge.

A display control unit visualizes inspection result history using color-coded graphs to highlight specific data points.

A tissue retrieval bag with an elongated profile deploys from a stowed introducer to capture specimens.

Preformed arm bends create a V-shape that captures distal objects without longitudinal movement, preventing procedure complications.

Flexible conductive filaments monitor endometrial electrical activity directly.

Transparent sweat collection channel enables visual monitoring of fluid accumulation while maintaining sample purity for accurate analysis.

An endoscope splits subject images into two optical paths captured simultaneously by a single imaging device to expand the depth of field.

Vacuum deposited patterned surfaces promote endothelialization while reducing inflammatory responses in implantable medical devices.

Arsenic trioxide medical elution scaffold embeds medicine particles in polymer microspheres to form an isolated island structure.

Silicon nitride coatings on joint implants reduce inflammation by minimizing inert particle release through high-power pulsed magnetron sputtering.

Medical information management apparatus transmits device setting information to endoscopic systems.

Elongate protrusions on exterior faces engage tissue to resist displacement during retraction.

A combined deflection control and lock mechanism for endoscopes uses a single lever assembly.

Segmented catch-lock connections and depth stops enable disassembly of the objective lens frame to correct misalignments without cementing impurities.