Surgery TRIZ Cases

Optical switching eliminates mechanical reed switches to resolve electromagnetic interference sensitivity while minimizing battery power consumption.

Sloped flow-guiding channels direct liquid samples to receiving areas via gravity, preventing flooding during small volume detection.

Segmented memory metal strips expand to dislodge hard thrombi, avoiding embolization and proximal vessel occlusion.

A movable second lens group adjusts focal position in an objective optical system, resolving the trade-off between narrow depth of field and high image quality.

Segmented cover body with elastic slit enables easy detachment without breaking the annular portion, resolving reliability trade-offs.

A breath collection apparatus uses a reciprocating piston to precisely draw and store alveolar gas samples for analysis.

A chemical liquid deposition process creates a dense magnesium-phosphate coating that reduces cytotoxic zinc ion release from degradable biomedical implants.

Internal fluid pressure expands an occluded distal end to bend the catheter tip, preventing radial ballooning and kinking in tortuous vessels.

Crosslinking a hydrophilic guest within a hydrophobic host resolves the strength versus lubricity trade-off on medical device bearing surfaces.

A multi-zone immunoassay strip detects cardiac troponin and HFBP simultaneously via specific antibody reactions.

An expandable implant uses a control assembly to move top and bottom support structures between collapsed and expanded positions.

A fluid perfusion apparatus reverses suction flow to generate backflow and dislodge trapped stones from the conduit.

Segmenting the endoscope illuminator circuit into modular boards with leaf connectors allows independent replacement without opening the sealed distal tip.

Segmented monitoring system transmits alert packets to multiple screens, resolving delayed responses from excessive false alarms.

A bio-resorbable retainer holds embolus filter locator members in a deployed configuration until the body absorbs the structure.

Transparent distal-end element with higher refractive index controls illumination light entry into the objective optical system.

Convex white, ultraviolet, and yellow light lenses positioned around an objective lens provide wide area illumination.

Segmenting the endoscope into separable modules isolates fragile internal components within the shaft, reducing repair downtime and fluid contamination risks.

Magnetic ball joints reposition light emitters to maintain alignment monitoring when the therapy head moves, preventing obstruction by the patient bed.

Segmented webs in the endoscope support body isolate optical fibers from electrical connectors, preventing damage during assembly.

Dual-layer adhesive support prevents contamination and drying of collected fluids, enabling non-physicians to handle samples without direct contact.

Adjustable communication speed settings reduce data transfer time during white balance configuration.

A support structure biases an embolectomy device to expand radially from a constrained delivery profile.

A dysphonia treatment tool uses a bent front surface piece to fit thyroid cartilage contours.

Adjustable tilting blades in this retractor optimize tissue compression while expanding the operating field clarity during minimally invasive spinal procedures.

Segmented rods with a nested curved abutment improve depth measurement precision in small blind holes by securing the bone edge.

A surgical retractor assembly uses a drive mechanism to pivot retractor members for precise angulation adjustments.

An endoscope apparatus uses temporal light modulation to capture distance data alongside observation images.

A flexible endoscope uses segmented optical fiber bundles to produce high-resolution images via light field reconstruction.

Shape-memory filter apertures change geometry during expansion to secure frame adhesion and prevent debris loss.

Sealed compartment isolates electronics from fluids while cable conduit prevents ingress, simplifying assembly.

Segmented lens frames with adjustable positioning eliminate optical axis variations and prevent lens breakage during assembly.

Self-supporting bell curve wings maintain consistent surgical window size during abdominoplasty, reducing user fatigue from continuous upward pressure.

A titanium-based superelastic alloy incorporates gold to stabilize the beta phase and enhance X-ray visibility.

Deflecting flex members in implantable assemblies absorb joint load, reducing pain and improving mobility without invasive replacement.

Shifting the illumination lens reduces side-surface light absorption, preventing front-end temperature rises while maintaining brightness.

A swallowable intragastric balloon utilizes a polymeric wall for controlled gas diffusion to maintain stable internal volume.

A wireless endoscopic camera transmits video signals using ultrawideband technology and variable compression algorithms.

A surgical retractor uses a spiral track to radially move teeth for creating an implantation lumen.

Template replicating tibial support member configuration guides bone cutters to preserve existing bone and reduce metal debris risk.

Comparing light intensity from target and background tissues at multiple time points after contrast dosing.

A surgical instrument combines a trial sizer with a keel cutter to determine implant size and form vertebral channels in one device.

Plasma treatment and ultrasonic welding bond capsule housing covers to resolve sealing reliability issues.

A detection processor sets a dynamic frame around the treatment tool tip, eliminating manual repositioning for off-center autofocus.

A multi-user voice-controlled medical system processes simultaneous commands from multiple microphones using separate speech recognition modules.

Circuitry detects insertion state to switch focus control modes, stabilizing auto focus during removal.

A rotating stepped pin joint transmits torque through an offset drive train in orthopaedic reamer handles.

A program corrects color tone differences between master and slave endoscope images using pre-calculated conversion parameters.

A surgical cannula system uses a locking mechanism to secure tissue attachment rings for stable positioning.