Diagnostic Markers TRIZ Cases

A mechanical detachment system uses a memory metal tab to release embolic coils from delivery catheters.

Treatment planning device computes radiation dose based on representative range information derived from marker positions.

Expandable RF sleeves heat mitral annulus tissue to shrink the valve ring, reducing invasiveness compared to open heart surgery.

Porous polymer coatings on embolization coils release bioactive agents via diffusion to enhance clot stability and prevent aneurysm re-canalization.

A collapsible orthopedic fixator uses movable struts to adjust frame spacing without removing the device from a patient limb.

A surgical guide frame uses radiopaque markers to align device portals for precise implant delivery near bone defects.

A sternal compass uses a centerline alignment mechanism to mark the sternum midline accurately.

A bendable connection member orients a medical basket toward an opening, resolving the trade-off between device size and insertion ease.

Segmented windings resolve fiber retention and stability contradictions, enabling precise vascular occlusion with improved fluoroscopic detection.

An oximeter deposits ink on tissue to mark measurement locations and oxygen saturation levels.

Rotating an inner catheter advances segmented embolic material through dual lumens, preventing overfilling or underfilling of target sites.

Segmenting the expensive sensor from the disposable marker reduces procedure costs while maintaining contamination prevention.

A shape memory foam component transitions from a compressed delivery state to an expanded configuration upon exposure to body temperature and moisture.

Tissue retraction members bring serosal regions into adjacent contact, while elastic rings apply compressive force to seal openings without manual suturing.

A wearable lighting system adjusts intensity and wavelength via voice commands and motion sensors for precise surgical field illumination.

Expandable foam disk adapts to irregular left atrial appendage geometry, ensuring a reliable seal against thrombus formation.

A movable block on an elongate member measures implant dimensions, preventing bone damage from invasive taps.

Selective mark activation prevents shadowing effects from upper structures, ensuring accurate spatial calibration across varying depths and zoom levels.

Nested cutting guide tracks enable precise parallel osteotomy cuts, resolving complexity trade-offs in bone shortening procedures.

A resiliently articulated interface connects medical tracking markers to surgical objects using restoring spring force.

Jaws with sharp tips insert between vertebrae while slots guide prosthesis fins for precise alignment.

A polymeric electrode assembly with plated emitters enables flexible navigation through curved anatomical pathways.

Sensing electrodes detect impedance variations to enable real-time monitoring of off-the-wall renal nerve ablation, resolving blind spot risks.

A venous valve with a self-expanding frame and cover regulates unidirectional blood flow while reducing retrograde flow in the venous system.

Implanted magnetic markers enable automated bone registration, reducing surgery time and infection risk.

Cold forged tips on orthopedic wires increase steel hardness to maintain sharp cutting edges, preventing bone damage from dull tools during external fixation.

Segmented metallic and polymer layers resolve the strength-imaging interference trade-off by providing clear fluoroscopy visibility without stress shielding.

Segmented marker carrier units with ball-and-socket joints maintain sterile, calibrated positioning without frequent recalibration during image-guided surgery.

Rotatable knob mechanism secures and releases bone markers via an inner rod within a driver tube assembly.

A pushwire with a hook and loop interlock enables controlled embolic coil deployment via elastic recoil.

A mesh-form intravascular device embeds water-absorbing swelling material to expand rapidly within a blood vessel.

Pivotal connections between guide portions allow linked cuts on lateral and medial tibia sides, accommodating varying patient sizes.

Spring-loaded detents in a pivoting osteotomy guide align cutting tools, ensuring reproducible bone cuts while minimizing tissue damage and scarring.

Nested catheters deploy anchors to secure leaflets, resolving the trade-off between minimally invasive delivery and effective valve repair.

An implanted wireless sensor detects external magnetic fields to track orthopedic tool positions, eliminating invasive X-ray imaging during surgery.

Helical cam surfaces convert rotation into axial jaw movement for secure gripping, reducing manual effort and surgical time.

A suction clip with a check valve adheres to tissue via vacuum, eliminating the need for clip rotation during endoscopic deployment.

A clip featuring a fluorescent body on its outer surface enables clear visual recognition of light emission from outside the hollow organ.

Scribing tools mark and cut tissue scaffolds to match defect site dimensions, reducing surgical time.

A surgical template guides incision lines for a triple flap design that enhances blood perfusion in nipple reconstruction.

Magnetic coupling secures expandable foam during delivery, then releases it to occlude the left atrial appendage and reduce thrombus formation.

A radiation therapy apparatus calculates three-dimensional coordinates of a moving target using fluoroscopic X-ray images from a single gantry-mounted device.