Surgery TRIZ Cases

Elastic projections on the distal end hood bend to maintain stable contact, resolving trade-offs between structural rigidity and adaptive positioning.

Segmented retractor extensions with intermediary projections prevent tissue encroachment under blades, maintaining a clear surgical field in spinal procedures.

Magnet arrangements on the optics tube and rod lens prevent decentering, tilting, and rotation under mechanical loads.

A slidable turbulator induces turbulence to mix treatment fluids with body fluids within a body lumen.

Anterior to Psoas dilator creates a protected corridor through the retroperitoneal space, preventing vascular injury during discectomy and fusion.

An integrated MR imaging coil system combines diagnostic sensing with interventional access through a single conformal housing structure.

Raised aperture edges cut and collect fecal matter inside a hollow barrel, solving incomplete removal from uncontained spines.

A passive freezing rate regulator uses adjustable thermal ballast to control temperature reduction profiles for biological specimens.

Radiopaque markers embedded in the port body allow clinicians to locate and orient implanted devices, preventing misorientation complications.

A transvaginal photoacoustic endoscope uses a MEMS scanning mirror to direct laser pulses and capture acoustic signals for vascular imaging.

A swing prism endoscope uses an oscillating control element coupled to a distally mounted prism for variable viewing angles.

Twisted secondary struts counterbalance hub forces to keep the filter centered, reducing endothelialization and enabling safe retrieval.

Elastic deformation of a light guide section adjusts illumination direction, reducing light wastage and tissue damage risks.

Integrating electrical, optical, and fluidic pathways eliminates rotatable seals to prevent leaks while enabling single-handed operation.

An integrated probe assembly merges multiple measurement probes into a single shaft, reducing patient trauma from repeated insertions.

A solid-state endoscope uses an angularly offset optical axis and wide-angle lens to capture a broad field of view without moving parts.

Integrating a resin second base with a metallic first base prevents heat radiation from illumination sources while simplifying manufacturing.

A fragile portion and buffer portion enable controlled detachment of an endoscope cover, facilitating cleaning while preventing accidental breakage.

Segmented cell chambers isolate bleeding sites via radial compression, resolving persistent hemorrhage without complex anastomosis.

Segmenting the elevator pivot from the wire assembly allows independent removal, reducing cleaning complexity and maintenance time.

Flexible overtube with inflatable positioning ring and occlusion balloon creates a sealed examination compartment around the endoscope tip.

Dual cameras capture intraoral views for a head-mounted display, eliminating heavy magnification glasses and reducing dentist eye strain.

An intravascular lithotripsy control system manages electrical arcs between spaced electrodes to generate consistent pressure waves.

A processor for endoscope uses a shutter mechanism and lock mechanism to partition the connector receiving part.

A nasal irrigation device manages fluid flow through separate lumens for controlled delivery and suction.

Segmented elongate members expand a tissue marker's profile for stable imaging, preventing migration risks during medical procedures.

A band-limiting filter generates discrete RGB illumination light within predetermined bandwidths to stabilize signal intensity balance.

Periodic light emission enables a determination circuit to verify photointerrupter integrity and prevent laser operation during faults.

A helical guide surface directs connector projections along a single gyratory path to ensure smooth alignment during insertion.

Surfactant treatment prevents capillary rise on microneedles, ensuring quantitative drug loading at the tips and reducing residue in the stratum corneum.

A magnifying optical system for endoscopes uses a movable second negative lens unit to adjust focal length and aperture settings.

A flexible printed circuit board integrates light-receiving and light-emitting units via dedicated mounting sections for precise optical axis alignment.

A reconfigurable coil attaches a hernia mesh to an inflatable balloon deployment device.

A two-chip integration image detection module synchronizes reflection and fluorescent light capture within a single optical path.

An information center processes anonymized biometric data to generate statistical reports, resolving evidence loss from fragmented provider records.

A discontinuous annular sonotrode with an aperture aligns vibration axes for precise surgical tool actuation.

Radial blades on a curved waveguide generate focused cavitation fields to perform cutting, welding, and ablation without separate specialized instruments.

Asymmetric stereo imaging lenses capture sharp images across distinct object planes, extending depth of field without complex electronic control.

Offset outlets and a spring-loaded piston reduce installation space while balancing negative pressure forces for reliable aspiration.

A detachable endoscope cap features a rotatable raising base and lever connection mechanism to simplify cleaning operations.

Segmented folding sides eliminate tray gaps in transport bags, preventing contamination while maintaining structural simplicity.

Magnetic coupling between coaxial rotation members enables helical propulsion for efficient endoscope insertion and removal.

Processor clusters endoscopic images by accuracy scores to identify candidate boundary regions, reducing interpreter workload.

A 1 mm endoscope uses a nested rectangular image sensor to reach peripheral pancreatic bile duct areas previously inaccessible.

A flexible hollow applicator encircles a bodily organ to deliver curable fluid composition through internal inlets.

A cylindrical connector uses asymmetric finger-resting portions to enable intuitive gripping and precise insertion without rotation.

An endoscope lens with aspheric glass or plastic elements reduces patient discomfort by achieving a diameter under 1.0 mm while maintaining imaging clarity.

A surgical tool holder uses a quick connect mechanism with a transversely extending interface and spring-loaded locking arms to secure the instrument.