Surgery TRIZ Cases

Tracks completed manual cleaning steps and assigns the right washer type to cut turnaround time while preserving thorough endoscope cleaning.

When endoscope sync signals drift, reset control with a temporary higher clock speeds recovery and reduces image display delay.

Dual signal paths and a comparator pause acquisition during electrosurgical interference, preserving accurate evoked potential monitoring.

A slidable metaphyseal stem secures subchondral and cortical bone while preserving humeral bone stock and enabling arthroplasty conversion.

An inner-outer bag assembly cools or rewams the organ and locks its angle for conduit suturing during minimally invasive transplantation.

Relative shaft motion expands and compresses nested members so one assembly can dilate and extract stones with less instrument exchange and injury risk.

Extended non-overlapping terminals make signal-line attachment easier in miniature ultrasound probes, improving connection stability and reducing breakage.

Rotating circular blades and a tissue-blocking housing speed cartilage dicing, reduce manual effort, and produce uniform graft pieces.

A collapsible self-expanding funnel captures thrombi, blocks embolization, and allows safer catheter repositioning in DVT treatment.

A coil-and-wire stiffener lets the insertion cord switch between flexibility and column strength, reducing buckling, looping, and operator strain.

Shape-memory alloy arms splay outward at body temperature to anchor a biopsy site marker, reduce migration, and support accurate follow-up imaging.

A separable handle and disposable insertion shaft improve endoscope sterilization reliability while preserving articulation and imaging control.

An angled pin channel anchors spinal retractor blades against tissue pressure while keeping the structure thinner and easier to access.

A self-expanding porous capture cage retrieves clots through tortuous vessels while preserving blood flow and reducing ischemic risk.

A lever-actuated trial neck secures the femoral canal implement during hip trials, preventing decoupling and improving implant alignment.

A clamp links a deep retractor blade to a ring retractor for stable wound-edge protection, quick placement, and clear surgical access.

Independently controlled helical electrode pairs direct IVL sonic waves more precisely, cutting procedure time and arcing risk.

Curved silicon microneedle sidewalls, a lumen, and a lock mechanism improve penetration and prevent premature medicament delivery.

Nanopores in cross-linked medical polymers enable sustained antimicrobial release, helping reduce device-related infections.

Flanged engagement tracks keep tissue retractor blades centered during spinal access, reducing splaying, tissue trauma, and view obstruction.

Curved silicon microneedles and an integrated lock improve therapeutic delivery while reducing needle fear and premature activation risk.

A fabric or polymer external skirt improves ASD occluder sealing while reducing friction, erosion, microperforation, and residual leak.

A rotatable inner tube and keyed link enable single-incision cardiac retractor deployment while maintaining alignment and reducing patient trauma.

A transformable channel member narrows the lumen around treatment tools to reduce swaying while preserving suction efficiency during endoscopic procedures.

A self-expanding helical lattice breaks up chronic and acute clots while limiting vessel trauma and lowering embolism risk.

An oblique opener lifts a sealed reservoir film progressively, enabling reproducible microliter sample mixing with lower contamination risk.

Capillary yarn floss collects gingival fluid for rapid biomarker sensing, enabling affordable early periodontal screening and treatment.

A dual-region objective lens aligns white and near-infrared focal points, preserving color image quality while revealing subsurface vessels.

Pre-positioned camera, light, and channel molding shrinks the distal cap while improving sealing, durability, and maneuverability.

A single-port electrochemical micro pump improves dosing accuracy, limits contamination and air bubbles, and avoids shell deformation.

A two-group rear-focus lens keeps the first group fixed and moves only the second to maintain image quality across near-to-far object distances.

A dual-phase Mg-Li alloy balances implant ductility with controlled corrosion, reducing hydrogen formation and tissue damage.

A ring-mounted oscillating blade cuts 360° around malpositioned acetabular cups, enabling removal with minimal bone loss and less tissue dissection.

A shape-changing imaging member flips from distal to proximal viewing to improve access and visualization in narrow body lumens.

A larger proximal shaft and smaller distal tip reduce endoscope bending while easing insertion into smaller orifices and protecting optics.

A rack-and-pinion lung retractor with stabilizers provides vertical chest wall retraction and proximal hilum exposure without multiple assistants.

A flywheel and coupling mechanism stores rotational energy, then releases torque impulses to cut bone with less reactionary torque and noise.

Ridges and lubricant-holding channels on a shaft covering cut friction inside a sheath, improving device mobility and reducing procedure trauma.

Electrochemical microneedle sensors track lactate, pyruvate, and glucose in real time to detect flap tissue compromise earlier and more objectively.

An inflatable wound channel balloon applies internal pressure to stop bleeding, deliver medication, and support emergency wound care before surgery.

A cam-driven oscillating impactor helps a catheter penetrate fibrotic and calcified occlusions while reducing trauma to healthy vessel tissue.

A solvent-applied antimicrobial coating bonds strongly to polycarbonate surfaces, stays transparent, and releases agents over time.

Counter-rotating threaded bolt and carrier keep radial alignment adjustable while bracing the instrument axially against loosening.

Axially overlapping transmit and receive coils raise endoscope power transfer without enlarging the connector portion.

A hoop with a transmission window and tip position adjustment enables hygienic, accurate catheter light intensity checks during storage.

A tip-mounted acceleration sensor detects image tilt in curved vessels and overlays an orientation indicator for real-time correction.

A defined silicone monomer mixture improves solubility in solvents and raw materials while preserving oxygen permeability and transparency.

A colored insertion-tube area reduces reflected light during retroflexion, helping the vision device avoid over- or underexposure.

Selecting one connected wearable for skin temperature tracking avoids body-site variation and improves menstrual cycle prediction accuracy.

Pre-divided agent pellets are broken down and fluid-propelled through a lumen to improve dosing consistency and reach deep GI treatment sites.

A detection apparatus calculates eye gaze using a single near-infrared light source to illuminate the eyeball and capture corneal reflections.

A viscoelastic gel with a 40 to 700 Pa storage elastic modulus ensures clear surgical field visibility.

A lighting device for endoscopes uses segmented optical paths to adjust light quantity ratios between multiple semiconductor sources.

Shifts image sensor segmentation region toward treatment channel, reducing distal end diameter while maintaining instrument visibility.

Nested sheaths isolate fluids from skin contact, reducing irritation and infection risks while maintaining reliable drainage.

Segmented spring-loaded sealing elements compensate for thermal expansion during autoclaving, ensuring reliable fluid-tightness without rigid bonding stresses.

A site marker expands post-deployment to anchor tissue and provide radiographic, ultrasonic, and MRI visibility.

Gradient ceramic coatings eliminate interface scaling in stents, improving reliability against chipping and corrosion.

Axial grooves nest screw engagement inside the tip body, maintaining outer diameter while ensuring reliable fixation.

A spiral unit with a taper section and removable regulator expands for insertion then compresses the outer surface.

An ultrasound tracking beam rotates with the imaging assembly to determine the roll angle, eliminating bulky magnetic sensors on the catheter.

A specularly reflective surface deflects illumination toward a scene and light from the scene toward a camera module in an endoscope imager.

A fiber optics based locator system navigates tortuous body passages directly without a separate delivery device.

A retrieval bag uses a flexible unrolling pulling means attached to the bottom edge to ensure consistent deployment during laparoscopic procedures.

Disposable handles merge sizing features to eliminate sterilization costs and reduce instrument complexity.

Flexible elongate member steers imaging element to resolve skewed views during cardiac device delivery.

A five-surface wide field of view compound lens uses specific Abbe number relationships to minimize chromatic aberration in optical systems.

An ultrasonic measurement system uses a waveguide to transmit signals through an orthopedic implant for real-time force detection.

A bone fragment collector uses a filter element to process harvested material into sterile grafts.

Independent stiffeners prevent looping in serpentine lumens while preserving distal segment flexibility.

A surgical rib retractor uses pivotable arm units and rotatable actuators to separate ribs in multiple directions.

Amphipathic polymer endgroups spontaneously rearrange to minimize interfacial energy, resolving biostability versus synthesis complexity.

A perivascular implant embraces tubular structures to house effector cells in direct contact with vasculature.

A shape memory alloy actuator moves a lens frame along the optical axis to adjust focus, reducing distal end size while maintaining optical performance.

A semiconductor package with a perpendicularly arranged light receiving surface connects to a rigid circuit board for stable signal transmission.

Positioning member abuts casing and optical unit to prevent flare while reducing wall thickness and weight.

Moveable intra-patient probe markers resolve occlusion ambiguity and improve registration accuracy across imaging modalities.

A portable X-ray imaging device uses an optical camera and thermal image camera to display overlaid real and thermal images on a screen.

Threadable engagement at the vibration antinode transmits ultrasound while preventing stripped threads during rapid attachment.