Surgery TRIZ Cases

A segmented braided wire structure combines a rigid operative section, pliable distal tip, and expandable mesh for clot capture in tortuous vessels.

A pre-sample reservoir and switchable flow paths isolate the contaminated first draw, improving bodily-fluid sample purity for testing.

A stem-guided modular tibial cone approach improves fit in tibial bone defects while reducing cement dependence in revision knee surgery.

Independent verification confirms safety-classed speech commands before execution, preventing misrecognized control actions in medical apparatuses.

A flexible dual-light intraoral probe and AI analysis improve imaging of tongue-base and tonsillar lesions for earlier remote diagnosis.

Controlled palm heating speeds capillary blood collection while limiting temperature to reduce microclots and preserve sample quality.

Filtered breath sampling isolates VOCs for trained-animal disease detection, avoiding invasive collection and delivering results within minutes.

A disk-seal connector lets endoscopes use solution bags instead of sterile bottles, reducing changeovers, backflow, and contamination risk.

Programmable sub-aperture ultrasound and shared catheter electronics cut wire count and heat while supporting pressure sensing and 3D scanning.

A damped, pressurized OCT probe improves rotation uniformity, reaches difficult anatomy, and supports treatment planning with clot imaging.

A collapsible reservoir and microneedle laminate enable self-administered vaccine delivery, easing distribution barriers and facility avoidance.

Mechanical deformation lets this composite nerve stent generate electrical signals, reduce inflammation, and support regeneration without external stimulation.

Timed white-light and fluorescence frames separate mist from cauterized tissue, improving real-time thermal denaturation visualization.

An optically clear cover seals a distal PCB imager and lights against fluid ingress while preserving image feed and reducing component wear.

Flow sensing and pulsed vacuum regulation balance clot aspiration efficiency with lower blood loss and less vascular damage.

Combining reflected-light and fluorescence imaging helps distinguish bladder wall layers and estimate thermal denaturation depth during tumor resection.

Precise dermal layer isolation creates reticular dermis ADMs with uniform thickness and porosity for consistent soft tissue repair performance.

Fluorescence intensity is overlaid on tissue images to distinguish insufficient, appropriate, and excessive heat denaturation during endoscopic treatment.

Baseline and follow-up fluorescence images reveal resected piece discharge status, improving intraoperative confirmation after tissue treatment.

A rotatable optical core and slim flexible probe reach difficult anatomy without a guidewire, improving catheter-compatible image placement.

Multiple wiper seals and a one-way seal help an endoscope valve control air and water flow while limiting leakage and backflow.

A vacuum-driven lancing and reservoir design collects sufficient bodily fluid in one step, reducing user error and handling for testing.

Dual fluorescence thresholds highlight insufficient and excessive bladder tissue heat denaturation to help surgeons avoid bleeding and perforation.

A smaller, pointed distal tip with controlled curvature helps duodenoscopes pass strictures and small lumens with lower perforation risk.

A serrated welding head forms thermoplastic beads around actuating cable ends to improve anchoring reliability in medical device assemblies.

An integrated capillary wiper removes excess blood from the tube exterior to prevent over-fill and under-fill in point-of-care cartridges.

Magnetic coupling removes shaft seals in a catheter blood pump, enabling high-speed operation with low leakage and minimal blood damage.

Onboard memory lets an endoscope carry usage, reprocessing, and error data between devices when cloud links are limited.

Finite-element-guided microprojection arrays balance density and impact velocity to reach defined skin depths with lower inflammation.

Fixed light emission with changeable image display highlights superficial and deeper blood vessels without increasing endoscope load.

Different trimellitate levels in the PVC hub and protector reduce separation torque while keeping the needle body aligned.

A reusable active calibration unit emits varied electromagnetic targets to correct endoscope sensor drift and avoid disposable calibration waste.

Multiple micro-imaging subsystems create a stitched 360-degree colon view that reveals hidden polyps without replacing existing endoscopy equipment.

A movable flow control mechanism sends the first bodily-fluid draw to an isolated reservoir, reducing dermal microbe contamination in testing.

A clear gel coupler displaces blood and opaque fluids at the endoscope tip to restore visibility and shorten minimally invasive procedures.

Magnetic through-hole implants compress adjacent digestive walls to form a fluid-tight anastomosis with less trauma, bleeding, and infection risk.

An extravascular balloon places a separable hemostasis layer over the vessel opening to speed closure without intravascular embolic risk.

An elastic packing on a movable piston seals endoscope conduits, enabling smoother switching between suction and balloon water paths.

Controlled water vapor and oxygen enable metal oxide composite deposition at moderate pressure, cutting vacuum cost while preserving target integrity.

A threaded coupling member locks the insertion tube to the handle with precise angular positioning, cutting endoscope assembly cost and complexity.

Coil springs in lobed segment lumens guide pull-wires, prevent gap slippage, and preserve a larger endoscope working channel.

A diverted first-fluid volume and metered sample flow reduce microbial contamination and improve collection accuracy for diagnosis.

A screw-clamp clip and alignment tab position an otoscope on a smartphone camera to capture clear ear images for remote diagnosis.

A dichroic prism splitter separates white light and fluorescence to two sensors, raising endoscope frame rate, sensitivity, and brightness.

A flow manipulator separates SVC and IVC streams to cut turbulence, power loss, and uneven lung blood distribution in univentricular hearts.

A slit-based flexible catheter tip expands for camera and tool space while keeping imaging aligned with the tool path during insertion and treatment.

A nested clot-engagement mesh and adjustable capture basket improve delivery through tortuous cerebral vessels while reducing trauma during retrieval.

A cam-disc and pinion ratchet locks and repositions retractor blades in both directions for stable access and more precise surgical handling.

Passive radiation-absorbing markers replace self-transmitting tags, enabling flexible placement, lower cost, and accurate biomagnetic position calculation.

A rotatable shaft and deformable distal tip create more tool space in a low-profile hysteroscope while preserving imaging, lighting, and fluid flow.