Surgery TRIZ Cases

Increasing tungsten content in platinum alloys improves radial force and reduces magnetic susceptibility, resolving brittleness trade-offs.

Segmented laminated insertion tube resists kinking and prevents catastrophic failure during complex maneuvers.

Bent articulation members occupy less linear space within the distal tip of a medical device.

Radiopaque polymer jacket replaces stiff marker bands, improving navigability and reducing complexity.

A galvanic isolation circuit protects endoscopy signal transmission while an impedance matching network compensates for frequency distortions.

Segmenting illumination into a fiber-fed front lens and a lateral source reduces endoscope size while maintaining high-intensity lighting.

A magnesium-based bulk metallic glass composite suture anchor incorporates a TiZr alloy to enhance mechanical strength and biocompatibility.

An adjustable tibial trial instrument enables precise anterior-posterior movement and rotational positioning of the tibial plate.

A fluid delivery sleeve positions over an endoscope to irrigate the lens through internal passages.

A controller monitors ultrasonic transducer operational characteristics to adapt drive parameters during therapeutic procedures.

A reshaping element directs between configurations to remodel the mitral valve annulus.

Centrifugal forming creates spiral microneedles that enhance skin penetration and retention for viscous biological compositions.

A medical aspiration catheter integrates a cooling unit into an infusion lumen to deliver cooled fluid for gentle thrombi removal.

A shape memory alloy actuator uses a magnetic fixing member and spring to control lens movement.

A connector cap employs a movable convex-concave joint to attach securely, preventing unintended detachment and image blur from bodily fluids.

Dual-crosslinked hydrogel resists in vivo swelling to preserve miniaturized dimensions for neural probe integration.

Specific block structures enhance kink resistance and reduce tackiness, eliminating health concerns from incineration by-products.

A fixing member connects endoscope operation sections to resolve operator interference while enabling simultaneous single-handed control.

A vaginal scope integrates a camera and brush to enable remote tissue sampling without mechanical stretching.

Integrating cleaning nozzles into the bearing fork allows continuous surgical procedures without interrupting the view for manual cleaning.

Separating water-tight sealing from torque control prevents O-ring interference, ensuring reliable sealing and precise resistive torque.

Spatially separated hydrogel precursors on a porous substrate prevent flow-away and eliminate thawing requirements for reliable in situ hemostasis.

Patsnap Eureka TRIZ analysis shows contact detectors prevent gaps that cause inaccurate blood content readings during endoscopic procedures.

Segmenting continuous image streams at detected transition points reduces physician viewing time while preserving diagnostic information.

A gravity-fed fluid separator captures air bubbles in a dedicated volumetric space, preventing cavitation and priming issues in the pump.

A temperature sensor measures the endoscope connector substrate to dynamically restrict power supply from the internal circuit.

Scanning fiber optics in a tethered capsule generate panoramic mosaics, enabling unsedated Barrett's esophagus screening without sedation requirements.

Stretchable cover prevents wire receiver contact, reducing sliding resistance and wear.

Segmented frame structures enable delivery through tortuous arteries, resolving profile constraints while maintaining effective clot retrieval capability.

Portable analysis kit computes optimal fertility action timing from blood or saliva immunoassay images, resolving irregular cycle monitoring challenges.

Dual-axis MEMS scanning mirrors replace bulk optics to resolve device size versus scan speed contradictions in confocal microscopy.

Actuator aligns center of gravity with the operator's hand to offset insertion portion weight and reduce wrist fatigue.

Composite basket legs reflect Holmium laser energy to prevent structural damage during stone fragmentation.

A system determines transient thermal history from thermospatial representations to estimate the location of thermally distinguishable regions.

Variable diameter cannula navigation minimizes tissue interference while maintaining sufficient lumen size for effective circulatory support.

Axially rotatable side port member maintains fluid communication while preventing leakage during navigation of complex anatomies.

A movable second lens group adjusts focal length to transition between normal and close observation states in endoscopes.

A machine learning model estimates the apnea-hypopnea index from bio-vibration feature images extracted without physical contact.

Segmented side sensors expand the field of view while a unified manifold reduces tip volume, resolving packing complexity.

A tissue-engaging member suspends the tongue anteriorly, reducing obstruction and improving patient compliance compared to CPAP therapy.

An elastic memory alloy wire deploys site markers through controlled shape recovery within a biopsy cannula.

A telescoping extension device adjusts an endoscope working channel length using a sliding inner and outer member assembly.

Rotating the adapter engages locking pins with L-shaped slots in the guide tower, allowing single-motion disengagement of the keel punch from the tibia.

Segmenting a medical material surface into distinct anti-adhesion and antibacterial layers prevents mutual interference between these properties.

Adjusts treatment instrument channel distance relative to viewing angle to resolve operator discomfort from wide-angle optical distortion.

Modified anatomical direct lateral approach preserves the iliofemoral ligament and restores the joint capsule through a vertical capsular incision.

A flexible marking template applies unique identifiers to biological surfaces for precise injection site location.

An interchangeable lasso band element adjusts the two-piece wristband length, resolving inventory costs from fixed sizing.

Three imaging units resolve depth ambiguities in low-texture environments to generate accurate 3D surface datasets.