Surgery TRIZ Cases

A dual endoscope system adjusts minimum focal distance to maintain consistent subject region size across different viewing angles.

An inflatable bladder expands a retrieval bag to securely contain tissue specimens, preventing leakage during extraction through small incisions.

A self-contained endoscope handle integrates a solid-state LED light source and a sealed battery compartment within the device structure.

A measurement method calculates association strengths using response latency differences across distinct trial sets.

Segmented LR and UD transmission paths allow manual override when the primary motor fails, preserving continuous bending capability.

Coatings combining anti-fouling zwitterionic brushes and covalently linked antibiotics reduce biofilm formation and infection risk.

A reprocessor monitors back pressure decay in interconnected endoscope channels to verify physical connectivity during automated cleaning cycles.

A detection module monitors wireless signal strength to identify microphone proximity relative to the operating room.

Ultrasound imaging tracks tumor motion during radiation therapy, reducing healthy tissue irradiation.

Nested surgical retractor blades deploy from a compact profile to stretch tissue and create large apertures without enlarging the initial incision.

Density distribution enables a self-righting capsule to anchor in gastrointestinal tissue, eliminating liquid dilution requirements.

Segmenting the camera module from the housing extends service life by isolating sensitive components from repeated sterilization cycles.

Disposable cardboard anatomical receptacles reduce impurity contamination in collected urine samples for medical analysis.

A detection device lid uses a sheath to control liquid levels and a through hole for gas circulation, preventing sample flooding in the detection chamber.

A biopsy support device recognizes tissue sampling events using captured image data from an endoscope imaging element.

Segmented endoscope design swaps disposable optical sleeves to reduce procurement costs while maintaining image quality.

Diffusing silver or copper into an oxidized implant layer releases antimicrobial ions to prevent biofilm formation and reduce infection risks.

Uniform surface depressions in pressure-sensitive adhesives sustain high antimicrobial concentrations, preventing premature failure from solubility issues.

Coinciding radii of curvature on the cover glass allow light beams to pass perpendicularly, preventing refraction in saline solutions.

Piezoelectric probe induces cavitation in adipose tissue while impedance detection prevents damage to non-target tissues.

Implantable fiducial markers eliminate laborious repeat fixation by providing permanent reference points for real-time radiation beam adjustment.

A biodegradable tissue marker encapsulates a permanent detectable core within a polymer layer and hydrophobic coating.

Single-phase magnesium alloy stent composition strengthens via solid solution and grain refinement.

A retractable insert within a hemispherical reamer shell enables independent axial movement to cut specific acetabular regions.

Segmenting registration into initialization and refinement steps aligns fluoroscopic images with volumetric data.

Interconnected pores in a biocompatible elastomer matrix receive mucosal tissue ingrowth to prevent fibrous capsule formation and capsular contracture.

A rongeur with detachable tips uses spring-loaded posts for quick replacement.

Catheter ridges engage an endoscope elevator to prevent withdrawal from the papilla of Vater during biliary interventions.

A microneedle structure uses shape-memory polymer to change configuration via external stimuli.

A cable connection substrate directs heat away from an imaging element using a specific electrode area configuration.

A biological information measurement system detects methyl mercaptan gas in defecation samples to monitor user physical condition.

Wireless telemetry circuits transmit medical device data to remote servers, eliminating patient visits for routine monitoring and software updates.

Cam surface geometry defines discrete braking levels and reduces spring back effects through tactile feedback, resolving complexity versus control trade-offs.

A longitudinal wire actuates a rotating transverse member to clean a laparoscope lens in place, reducing surgical time and infection risk.

Nested planetary gears reduce high-speed DC motor rotation for safe navigation in confined spaces without sliding against external walls.

A modular telescoping surgical instrument uses a threaded knob and collet to adjust working end length.

A composite coating with an inorganic portion and a poly(vinyl pyrrolidone) block bonds to medical device substrates.

Dual-lumen support members enable a dynamic loop that captures objects while maintaining a low profile for easier insertion.

A portable neck strength testing device uses a self-stabilizing support member to secure the subject and measure head displacement.

An imaging unit captures subject images while an image generating unit processes them to maintain hand-eye coordination during field of view changes.

A relay lens unit moves the focal point outside an optical microscopy probe housing to enable sideways scanning.

Image display apparatus divides captured frames into predetermined areas to calculate and map average colors for rapid visual assessment.

A curved surgical retractor extends its operating portion distally to move soft tissues safely.

A portable manual pump generates negative pressure to evacuate fluids and blood clots from body cavities using one-way valves.

Hydrogel fibres in a biodegradable stent sleeve seal vessel ruptures while minimizing profile and flexibility trade-offs.

A mass flow measurement system inspects microlumen devices by comparing fluid throughput against defined acceptance criteria to identify occluding particles.

Offset anchoring filaments distribute tension to prevent lateral movement and blood leakage in large vascular closures.

A relay adapter with a T-shaped body and grip facilitates connection between single-use endoscopes and reusable processors.

Nested inner and outer sheaths create separate flow paths for cooling fluid, enabling observation in environments exceeding 200°C.

Monoarticular intercondylar bearing reduces contact pressure to promote cartilage regeneration in non-ambulatory arthritis patients.