Surgery TRIZ Cases

Pressurized gas expands a flexible cup to hold a sealed vaginal passageway while integrated optics improve cervix imaging and reduce glare.

Curved blades, a soft silicone sleeve, and adjustable opening improve insertion comfort while maintaining strength and visibility.

Simultaneous live and recorded endoscopic video playback simplifies surgical review and tissue perfusion assessment without losing scene awareness.

A barrier disk near the drive cable lets flush fluid pass while blocking bubbles from reaching the transducer and degrading ultrasound images.

Time-division switching between broadband and narrowband light separates reflected and fluorescence signals for more complete tissue assessment.

A tube cap and rotary valve stabilize a thin catheter, prevent fine spray clogging, and allow controlled respraying of pharmaceutical powder.

Balanced chief ray heights and lens diameters create a symmetric endoscope objective lens that eases aberration correction and tolerance sensitivity.

Fluid pressure and a return spring move the elevator guidewire during reprocessing, improving channel saturation and cleaning efficiency.

Synchronized slots in a monolithic scanner wall shape illumination and return paths together, cutting vibration, noise, and maintenance.

An elastic connector presses the endoscope filter parallel to the cover glass, cutting ghosting without costly anti-reflection coatings.

A vented bubble-reducing member lets flush fluid pass while blocking bubbles from reaching the transducer and degrading ultrasound image quality.

Independently controlled shutter zones balance light, depth of field, and stereo orientation for clearer endoscopic and fluorescent imaging.

A mirrored remote-controller display on the monitor shows balloon inflation, deflation, and pressure status without shifting the operator's gaze.

Varying conduit hardness by section helps an endoscope resist buckling, abrasion, and breakage while preserving insertion flexibility.

A wireless transceiver moves IVUS signal transfer off sterile cables, reducing lab clutter and simplifying catheter storage and setup.

Radial openings and segmented abutment points let a sliding shaft surgical instrument be cleaned and sterilized without disassembly while preserving guide stability.

Composite pelvic repair compositions strengthen native support tissues while improving integration and reducing mesh-related complications.

By placing the needle plate fully outside the housing, this microneedling design preserves skin vibration for efficient, less painful puncturing.

Axially offset overlapping actuators let a steerable catheter form compact S-curves with short radii for precise navigation and less wall contact.

A plant polyphenol-metal hydrophilic nanofilm keeps endoscope lenses clear longer while avoiding the contamination and biocompatibility limits of older anti-fog methods.

A medial oblique incision with VMO retraction preserves the quadriceps tendon and soft tissues during knee replacement, reducing trauma and pain.

Power-driven flossing, brushing, and tongue scraping cut manual effort while improving interdental cleaning and odor control.

MID-formed wiring on the endoscope distal barrel simplifies imager cable connection, saves space, and avoids interference with bending wires.

A sealed hollow metal handle cuts impact instrument weight while preserving strength and improving cleaning and sterilization.

A tapered shaft and distal tip mechanically lock the spiral wire in place, preventing detachment and reducing tissue damage during use.

A fibrinogen-based adhesive secures X-ray markers in vascular implants with precise dosing, strong retention, and lower thrombosis risk.

A flattened nozzle channel and fluid splitting element focus spray onto the endoscope viewing window for effective cleaning with less fluid.

A rear support and cushioning structure protect the endoscope power connector from repeated attachment shocks, improving transmission reliability.

Transverse sliding actuators replace full-rotation knobs to improve distal articulation control, reduce hand fatigue, and speed procedures.

A bubble detector in the dosing tube replaces float-level limits, enabling full chemical emptying while preserving accurate dose delivery.

A self-expanding funnel catheter restricts flow and supports aspiration to remove hard clots with less fragmentation in tortuous cerebral vessels.

Hierarchical implant textures balance Cassie and Wenzel-like tissue interfaces to resist migration while allowing repositioning without sutures.

Permanent magnets align and hold the endoscope interface element, simplifying attachment while keeping handpiece surfaces smooth for cleaning.

A variable-diameter microcatheter and hand-controlled stentriever improve distal tip control, loop formation, and complete clot extraction.

Controlling silk fibroin to 150 kDa or less creates a gel that limits fibroblast adhesion and serum protein adsorption after surgery.

Controlled intermittent suction boosts pressure difference to extract hardened thrombi while limiting blood loss and excessive blood extraction.

A double-curved broach handle guides rasp insertion around the abdomen and pelvis, reducing incision size, femur rotation, and contamination risk.

A retractable deforming tube tip stays straight during insertion, then bends when exposed to improve imaging while reducing discomfort and perforation risk.

A distal LED and embedded conducting tracks remove long optical fibers, improving endoscope illumination while simplifying assembly.

Forward and side-facing cameras in the endoscope tip expand circumferential viewing to detect polyps hidden on cavity folds.

A biconic-aspheric objective lens corrects cylindrical window aberrations without water filling, improving resolution, speed, and probe lifetime.

A welded casing and horn seal protects the piezoelectric stack, helping ultrasonic surgical instruments endure repeated sterilization cycles.

Entropy-based frame screening suppresses blurred or artifact-heavy video regions before AI object detection, cutting false positives and wasted compute.

A distal expandable member lets the catheter stay navigable during insertion, then widen to engage clots and speed revascularization.

A bearing-supported frame aligns the control trunnions inside the handle shell to cut friction, ease assembly, and improve tip steering.

A soft-tipped transvaginal endoscope captures cervical and fetal images for objective labor monitoring with less infection risk and caregiver variability.

Capacitive touch controls and a mode selector replace cumbersome probe knobs, letting users switch between transducer and machine control.

A segmented tip housing with camera and tube sleeves simplifies disposable endoscope assembly while keeping the distal tip compact and sealed from humidity.

A protective sleeve and biodegradable plug keep the hemostatic implant dry until deployment, improving vascular closure and reducing scarring.

Deployable struts locally distend collapsed lumens around a capsule endoscope, improving visualization without gas insufflation or invasive endoscopy.

A disposable sealed urine retention device uses a shielding body to prevent external contamination during sample handling.

A lithotripsy sonotrode uses an imbalanced vibration excitation element to generate axial and radial pulses for stone fragmentation.

Pressing and receiving members sandwich signal wire bundles to resolve fixation complexity while minimizing dead space in the distal end part.

A method constructs three-dimensional radiation beam axes from two-dimensional transmission images to determine the linear accelerator isocenter.

Segmented bistable energy-storing elements transition between stable configurations to deliver reproducible velocity and energy for microneedle arrays.

Segmented flow sensors and dynamic controller resolve precision trade-offs across wide insufflation ranges.

Gas extraction between plastic casing layers prevents wrinkling and oxidation, ensuring correct positioning of the radiation protection material.

Porous plastic tip protectors shield delicate endoscope optics from damage while allowing moisture drainage to prevent biofilm formation.

An oval voice coil motor moves an endoscope lens group along the optical axis with high precision.

A zinc-containing protector on an iron-based alloy substrate delays early corrosion to maintain mechanical strength during implantation.

A multicore fiber module with a fill factor under one-quarter directs illumination to enhance field of view and depth of field.

Complementary multiband bandpass filters separate spectral light paths for stereoscopic imaging in endoscopes.

A processor device embeds correction profiles into static images to maintain consistent tone across different endoscope systems.

Curved light-refracting interfaces tilt within an endoscope imaging device to enable non-parallel viewing directions.

A surgical rasp tool integrates a vacuum lumen to extract debris from the abrasion site during bone repair procedures.

Piezoelectric transducers convert ultrasound waves into electrical power, eliminating bulky batteries and enabling smaller device sizes.

A fluorescence imaging system normalizes pixel luminance values to correct image artifacts.

Acid treatment stiffens soft tissue matrix for precise machining, resolving processing difficulties while restoring biologic response after neutralization.

A deflectable tip videoarthroscope integrates a miniaturized CCD and four-way angulation for precise joint visualization.

An algebraic formula calculates air-kerma rate from x-ray tube current and voltage without physical sensors.

Direct adhesive bonding fuses mesh to the loop member, eliminating clips that cause bunching and interference during closure.

Heart sound vibrations enhance adult stem cell potency, avoiding complex genetic engineering and ethical concerns.

A gonioscope integrates an optical fixation point and light diffusing area to stabilize alignment and enhance illumination.

A lens drive control apparatus manages a shape memory alloy actuator to position an optical lens frame along an axis.

Silicone channels filled with discharge-like material simulate pore popping to relieve stress without skin scarring.

Liquid nitrogen cools the apparatus below condensation points, resolving low efficiency from sorbent variability.

A dilator centering device with a guiding lumen aligns the shaft within the hub.

A ligator actuation device uses a rotating bobbin to draw a suture and deploy ligation bands from a distal cap.

A light applicator uses a needle tip and transparent scattering body to distribute LED light evenly.

A medical treatment instrument features a tubular insertion portion with a reduced-diameter distal part and a flexible curving section.

A motion detecting portion monitors object movement between frames to trigger selective frame output, preventing pseudo-vibration during significant motion.

Polydopamine coatings suppress calcium oxalate crystal deposition on urinary and circulatory devices, preventing blockage during long-term retention.

Flexible sensor panels conform to contoured surfaces, enabling simultaneous oxygen and pressure measurements to detect early tissue ischemia.

Single reservoir manifold consolidates multiple fluid pathways to eliminate separate reservoirs, reducing system complexity and handling costs.

Rigid surface elements with a hinge assembly enable symmetrical radial expansion of an elastomeric holding reservoir.

A cover removing tool projection engages a removal groove to detach the disposable endoscope cover without damaging the elastic member.

Segmented intragastric devices resolve delivery complexity by using collapsible bundles and suture ties to occupy gastric volume without inflation tubes.

Optical unit guides primary light through incident entrances and emitters using a dedicated detector to measure leakage intensity.

Converging light pipes combine multiple LED outputs into a single beam, solving low luminance and short bulb lifetime issues in ophthalmic surgery.

Hermetically sealed modular units enable independent sterilization of optics and electronics, reducing instrumentation downtime.

A dual grasping mechanism integrates an endoscope operation portion with a treatment instrument mounting portion to enable single-handed control.

A segmented infusion device housing absorbs beta and gamma radiation using dense shielding materials.

A deforming wire region expands into a loop shape to hold the pericardium away from the heart surface.

A nested capture element encases thrombi within a blood vessel using an expandable filament system, preventing clot fragmentation during extraction.

Sequential SiO2 and hydroxysilane layers bond polyurethane to stents, preventing frame embedding during catheter delivery.