Endoscopes TRIZ Cases

Afocal meniscus lenses compensate for astigmatism and field curvature in relay systems, reducing tolerance sensitivity.

A flexible coil sheath and movable wire connection portion enable smooth longitudinal actuation within an endoscopic treatment instrument.

Segmentation and dimensionality change principles enable a compact maneuvering system that stabilizes endoscope positioning without bulky robotic arms.

Segmented clamps lock radial position against twisting during insertion, resolving stability versus control trade-offs.

Automatic magnetic field switching resolves operational complexity by adapting guidance parameters to liquid surface, submerged, or bottom areas.

Spring-biased retractable blades prevent unintended tissue damage during insertion while enabling controlled cutting via dynamic revolver positioning.

A perforate sweeping structure engages urinary stones against the cavity wall to enable energy-based fragmentation while maintaining stone position.

An adjustable inter-axis distance mechanism in a medical arm device prevents interference with surgeons while maintaining six degrees of freedom.

A solid-state imaging device features a photoelectric conversion layer with a protrusion region extending beyond the second electrode.

Video editing device extracts partial endoscopic video segments based on lesion detection and examiner instruction timings.

A self-holding medical device control handle uses a cam actuated clutch mechanism to independently manipulate catheter features without continuous user input.

A transurethral vapor delivery needle extends up to 2.5 cm from the urethra to target prostate tissue.

Notched cap attachment deforms tissue into an oval shape, preventing excessive tissue pull during endoscopic clipping.

A medical system integrates catheter position data with 3-D image data to display real-time alignment relative to a medical target.

Transparent thermoplastic encapsulation secures optical semiconductor devices within medical handles.

Replacing fiber optics with a solid waveguide eliminates Fresnel reflections and heat generation to improve surgical field illumination.

Thermal ablation forms incomplete stenosis to reduce reflux while avoiding perforation risks from mechanical resection.

A wound closure apparatus uses a shape memory column to deploy a tissue engineered plug for fascial defect repair.

Dual-lens illumination optical system redistributes light intensity across the observation field to enhance brightness uniformity.

Orthogonal antennas on a flexible circuit track pill motion via electromagnetic signals, enabling real-time detection of intestinal blockages.

A multifunctional radiofrequency electrode combines thermal ablation with suction and irrigation to treat endocervical cysts.

Independent pull wires articulate proximal and distal shaft sections, resolving navigation complexity in narrow lumens.

Computer vision analyzes surface images to guide endorobot laser irradiation, reducing manual navigation time and improving detection efficiency.

A medical device handle uses a rail and groove mechanism to control end-effectors through integrated longitudinal and rotational actuators.

External guiding members allow transverse instrument movement, overcoming working lumen size constraints.

A soft-pneumatic inchworm robot uses inflatable balloons to anchor and extend within the colon.

Nested tube guides align deployment shafts to resolve spatial conflicts between bipolar and monopolar components.

A swallowable capsule device uses external induction coils to activate an internal cauterization element for precise tissue ablation.

Pulsed laser bubble contraction vibrates the optical fiber, eliminating external actuators and reducing power consumption.

An eyepiece integrates a gradient cylindrical lens to adjust refractive power for precise astigmatism correction.

High-pressure port bypasses regulators to deliver concentrated solution into narrow channels while leak testing ensures pressure integrity.

Expandable ablation elements conform to irregular tissue sites using radiofrequency waveforms, reducing trauma to surrounding healthy tissue.

A conductive wire electrode uses a flattened central portion to concentrate electric field strength and plasma ignition at specific positions.

An expandable end-effector transports heated fluid through a sheath to ablate uterine tissue.

Aspheric retro-focus design corrects barrel distortion and oblique light degradation while maintaining compact diameter.

An elastic bowing flexor converts axial driver motion into lateral optical fiber displacement, maintaining consistent optical path length during scanning.

An integrated medical system merges an electrode and tissue manipulator into one structure, reducing procedure duration by eliminating device swapping.

Angled gaps between diametrically opposed joints prevent hose pinching and fold formation while preserving shaft mobility.

Integrating the neutral electrode into the electrode carrier eliminates visual obstruction and reduces manufacturing costs.

Gaze-driven image adjustment in a robotic surgical system resolves the trade-off between tissue magnification and field of view stability.

Automated drain control device manages sterilisation fluid volume to prevent spillage and splashing of corrosive agents during surgical equipment processing.

A self-retaining vaginal retractor uses a resilient rib to hold the canal open for hands-free surgical access.

A movable second lens group adjusts focus in an objective optical system while preserving the angle of view.

A solid-state imaging device uses segmented sealing resins to minimize protrusion and reduce overall size.

Resins with varying elastic moduli seal the signal cable entry to absorb mechanical stress, preventing fluctuations in sensor output.

Integrating components on a flex foil reduces part count and improves robustness in ingestible capsules.

Optical video analysis replaces electrodes to eliminate false readings from artificial contractions and reduce operating time.

Movable guides adjust tendon tension to maintain control stability and prevent performance decline during surgery.

Dynamic linear members adjust traction force on stretched elastic bands, resolving contradictions between ease of operation and device complexity.