Surgery TRIZ Cases

A light source device controls pulsed emission periods to maintain constant total illumination while synchronizing with sensor timing.

Rotating the sample barrel aligns storage chambers with the cutter tube, eliminating probe removal between samples.

Liquid plastic solidifies via electromagnetic radiation to form components around medical instrument electronics, eliminating thermal damage during assembly.

Transparent surgical press components compress harvested tissue to reduce volume while enabling real-time visualization of the adjustment process.

A segmented light guide path incorporates an auxiliary optical connector that merges standby illumination, preventing total loss when primary fibers fail.

Segmented reservoirs with sterile barriers reduce contamination risks during bottle replacement.

A segmented balloon catheter with alternating flexibility regions supports spaced-apart electrode pairs within an inflatable enclosure.

An expandable imaging hood displaces blood with transparent fluid to enable real-time optical visualization of cardiac tissue.

Kinked rigid-rod polyarylene enables thin-wall extrusion while maintaining compression strength.

An integrated LED capsule and wireless camera in a cable-free arthroendoscope remove contamination sources from surgical cables, reducing infection risks.

An abrasive calcar grinder replaces aggressive teeth with a grinding surface to prevent debris clogging and ensure precise femoral stem preparation.

Segmented open/close units allow the core piece to be removed from the hard resin vessel, enabling thorough cleaning and reuse without hygiene issues.

A medical elongated body with a tubular shaft featuring spiral slits of varying inclination angles and stepped portions that change locally.

Adjustable glass transition temperatures in acrylic polymers control elution rates while resisting delamination on vascular stents.

A testing instrument measures cough airflow strength using a sensor to assess pharynx sensitivity and expulsion ability.

Segmented wire winding creates a flexible tube with consistent bending characteristics, reducing insertion force and passage damage risk.

An elongate arcuate stent uses a rigid outer layer and biodegradable inner layer to support vessels.

An implantable sensor detects spinal tissue density and transmits data wirelessly, enabling early detection of degeneration.

An endoscope apparatus calculates a correction coefficient to correct depth-direction blurring in time-series images.

An electronic endoscope device adjusts image brightness by exponentially changing exposure time in the imaging sensor.

Selective permeable membranes enable continuous sweat monitoring by blocking environmental contaminants.

Segmented discharge passage prevents fluid ingress into the operation unit, enabling safe reuse.

A conductive traction cable anchorage integrates mechanical deflection control with electrical power delivery in the endoscope head.

A portable body fluid testing device uses a magnifying lens group to capture detailed images of biological samples for analysis.

Tailored flexibility profiles across distinct flexible tube sections prevent stick phenomena and maintain effective movability in luminal bends.

Segmenting the endoscope into a reusable handle and disposable tip allows defective camera modules to be replaced without discarding the entire device.

Contractible super-elastic net expands to surround device housing and forms an interference fit within an outer tubular member.

Venturi channel separates lower airway aerosols from upper respiratory contaminants, enabling accurate pneumonia diagnosis without invasive procedures.

Universal trial necks mate with varying broach projections to reduce inventory of trial components while maintaining precise joint tension.

Integrally formed distal end structural member conduit reduces manufacturing cost by merging nozzle and supply conduit into a single molded part.

An inflatable intervertebral disc prosthesis uses dual chambers to deliver structural support while preserving articulation freedom.

Side channels enable adjustable triangulation, reducing procedural time and improving safety during endoscopic submucosal dissection.

A disposable kerrison rongeur joins metal and plastic parts via a non-removable mold-on interlock mechanism.

Electrodes apply electrical stimuli to intestinal muscle contraction, reducing procedure time and improving data collection efficiency.

Melted-metal sealing joins dissimilar metals in endoscope enclosures, enabling autoclave sterilization without disassembly.

A shock wave condensing device uses a reflector to focus energy onto a specific focal point.

Zaltoprofen activates PPARγ receptors to induce tumor cell differentiation into fat cells, preventing recurrence and metastasis.

An intermediary tool featuring a segmented spatulate head and absorbent layer prevents cross-contamination and injury during single-use mucus removal.

A rotating spool assembly manages multiple release cords to resolve the contradiction between treatment effectiveness and device complexity.

Segmented scaffold delivers uniform adhesive distribution to prevent necrosis while enabling faster healing through direct tissue contact.

Cross-linking hyaluronic acid to synthetic mesh via homobifunctional agents minimizes inflammatory reactions while maintaining structural support.

A wireless endoscope system transmits compressed video data to mobile devices via electromagnetic signals.

A catheter with an expandable member seals vascular puncture sites against vessel walls, eliminating foreign object complications and tissue inflammation.

A medical imaging coupler with a tilted optical path redirects light to prevent retroreflection from sterile adapter windows.

A learning device generates a model from paired normal and fluorescent images to estimate virtual fluorescent areas.

Cemented lens configurations suppress curvature of field and chromatic aberration, enabling high-resolution image formation in rigid endoscopes.

A sterile measurement arm with integrated accelerometers and gyroscopes tracks femur displacement during surgery.

Inclined surfaces in an endoscope elevator housing direct cleaning liquid to the rotation shaft, preventing chemical leakage from the treatment tool outlet.

Mechanical anchoring of investment composition in flexible endoscopes resolves stability and cost trade-offs.

Transparent resin fills a trench in the holding member to fix the optical fiber distal end face, eliminating gaps that reduce transmission efficiency.