Gastroscopes TRIZ Cases

Adjustable brushes, vertical rails, and pressurized nozzles clean and polish rink dasher boards faster with fewer passes.

An elastic body and conductive 3D holder stabilize dielectric waveguide contact, cutting loss for reliable short-range high-speed links.

A rack-and-feature lock holds a medical actuator in position, reducing operator fatigue while allowing quick hands-free locking and release.

A rack-tooth lock holds a medical actuator in multiple set positions, reducing operator fatigue without adding a separate locking mechanism.

A radially movable lock and rack teeth hold a medical actuator at set positions, reducing fatigue while preserving precise elevator control.

A spring-biased lock and rack teeth hold a medical actuator in position, reducing hand fatigue and preventing unintended movement.

A sliding cam member converts pulling-wire motion into Albarran lever rotation, saving distal head space while preserving endoscope control.

Resistance and image-based checks determine whether a basket can safely extract a gallstone without excessive load on the papillary orifice.

A pivoting optics and working channel unit lets one endoscope switch from prograde to lateral viewing while reducing kinking and hygiene risks.

A two-region overtube uses fluid-controlled stiffness so the distal section stays softer, improving digestive tract insertion and movement control.

A V-shaped separation cell uses Venturi-driven airflow to quickly isolate biological liquid from transport air for faster endoscopic sampling.

A planetary gear control handle and tip deflection mechanism enable single-handed endoscopic catheter navigation without costly capital equipment.

Real-time 3D holographic and x-ray guidance helps ERCP physicians cannulate the major papilla with less probing, trauma, and delay.

A reconfigurable accessory channel shifts between forward and side viewing to cut tool friction, improve maneuverability, and ease cleaning.

A ribbed 4-way bending section and movable accessory channels cut friction and force loss while improving GI tract navigation and cleaning.

Repolarizing ultrasound transducers during scan pause periods preserves sensitivity and image quality without added circuits or workflow delays.

Pivoting flaps expand the endoscopic cap opening to draw in more tissue, improve visibility, and support secure full-thickness clip placement.

Band-assisted pressure necrosis improves tissue capture and retention for safer, durable gastrointestinal reshaping without resection.

A flared, elastomeric delivery tool expands and aligns endoscope accessories for fast scope fitting with less component damage.

A detachable steering unit separates cable control from the instrument shaft, improving steerability while reducing complexity and contamination risk.

A sealed hollow and discharge passage keep contaminants inside the insertion unit, protecting the reusable operation part from infection risk.

A self-engaging detachable connection lets the insertion unit separate easily for cleaning, replacement, and lower maintenance cost.

A deformable obturator tip passes over a nested observation channel, enabling visual exam and sample collection with less contamination and discomfort.

A sealed endoscope coupler locks instrument exit angle while blocking bacterial ingress and debris buildup at the working end.

Deployable endoscopic electrodes target gastrointestinal surfaces with controlled stimulation, improving therapy while avoiding invasive complications.

A pre-bent control wire and insertion section let tissue clips pass through a working channel and align with transverse ports without wire deformation.

Real-time esophageal imaging plus temperature and position sensing helps detect ablation trauma early and guide timely intervention.

A stepped tip and tube-body lumen layout removes internal drops, letting larger surgical instruments enter and pass through smoothly.

A dual-channel hose isolates the illuminant from suction flow to improve stomach visibility and demarcation during bariatric surgery.

Movable accessory channels switch from forward to side viewing with smoother curvature, reducing force loss and improving duodenoscope access.

A segmented guidewire keeps the sigmoid colon pathway straight, reducing looping and discomfort during endoscopic instrument exchange.

A wireless imaging channel and closure let one speculum support visual exam and sample collection while reducing contamination and sterilization burden.

A reusable steering unit locks and releases longitudinal elements for precise control while allowing contaminated instrument parts to be detached quickly.

An external coupler sheath seals the endoscope tip to block debris and bacteria while preserving angled instrument articulation.

Vacuum draws tissue toward multiple fluid delivery elements to improve submucosal expansion accuracy, coverage, and procedure time.

Selective multi-wavelength illumination boosts landmark contrast against surrounding tissue by tuning light output to spectral reflectance ratios.

A channeled connector increases the control member moment arm, lowering elevator actuation force and easing accessory insertion and removal.

Vacuum suction adheres to the esophageal wall for uniform mechanical displacement, moving it outside the ablation field to reduce injury risk.

A flexible channel and bending assistant arm adjust forceps traction direction and grip position to secure the view during tissue resection.