Surgery TRIZ Cases

Elastic positioning clip replaces thermal joining with mechanical clamping to prevent deformation and preserve geometric precision of endoscope inner tubes.

Folding the flexible circuit board aligns pads from opposite surfaces to weld connections, resolving manufacturing difficulty in thin endoscope tubes.

Dynamic alignment of a pivotable optical fiber reduces scattered light and photothermal tissue damage while maintaining image contrast.

Modular biometric monitoring systems resolve out-patient deployment complexity by using asynchronous data retrieval triggered by module memory fullness.

A color signal transmission device adjusts Pb and Pr component ratios to maintain image quality during wireless communication.

Drying bio-resorbable polyester below glass transition temperature prevents microscopic pore formation, ensuring reliable injection molding for medical stents.

Segmented optical channels enable co-directional imaging without probe repositioning, reducing tissue trauma during endoscopic inspection.

Mixed solvents with distinct boiling points create a crystalline coating that adheres firmly and releases active ingredients slowly.

A flexible tube insertion apparatus adjusts bending stiffness via a variable stiffness unit and shape detector.

A urine collection insert channels infant fluid through a one-way valve into a reservoir using a hydrocolloidal perimeter seal.

Polycarbonate resin composition combines polyalkylene glycol and epoxy ester compounds to stabilize the polymer matrix against radiation-induced degradation.

An expandable biopsy plate transitions from a flattened profile to an elongated shape for tissue engagement.

An integrated ultrasound speaker merges source and detector functions to measure physical parameters through backscatter analysis despite air attenuation.

A medical device shaft combines a tubular liner with a braided tube to provide structural support.

A brachytherapy seed assembly uses tissue-interlocking cavities to anchor implants securely within biological structures.

Integrating a pressure sensor into the catheter wall enables real-time monitoring, resolving the trade-off between measurement precision and device complexity.

Polyelectrolyte films regulate cell attachment and growth by modifying surface properties to resolve biocompatibility prediction challenges.

Carbon fibre cephalostat components eliminate metal artefacts in teleradiographic images while maintaining precise anatomical alignment.

Multiple illumination directions resolve insufficient coverage from wide-angle lenses, reducing border darkness and reflector contamination impact.

Pivotable reflecting surfaces dynamically align illumination with the viewing direction, eliminating scattered light waste and improving image contrast.

A capsule endoscope adjusts imaging frame rates based on real-time brightness distribution analysis to balance data capture and power usage.

A modular beam sleeve structures LED light into a contained treatment spot with calibrated intensity.

A microcontroller processes laser distance measurements to illuminate a light strip, replacing cumbersome physical rulers with an optical system.

A flexible endoluminal device adjusts control parameters using wire tension and displacement data detected during a relaxing operation.

A medical grasping device uses superelastic wire loops that self-deploy transversely to secure target objects within the vascular system.

A biopsy cutter drive train uses fine pitch threads to rotate and translate a sleeve within a nut.

An endoscope uses dual light sources to capture and adjust narrow-band illumination for consistent image brightness.

A fluorescent endoscope apparatus uses dynamic wavelength selection to detect tissue fluorescence emissions.

A system retrieves historical imaging parameters using a user identifier to automatically configure device settings.

Optimized focal lengths and refractive indices position ray intersections inside the lens, resolving uneven illumination risks from manufacturing tolerances.

A porous cover enables gas exchange for healing while preventing bacterial contamination and physical trauma.

Segmented retractable blades and image-guided probes resolve the trade-off between incision size and procedural complexity.

Secondary bills provide sidewall support to reduce tissue encroachment while a one-handed locking mechanism enhances operational efficiency.

A swivel gear detent engages with a plunger to lock a retractor blade, enabling state switching without disengaging the arm from the patient.

A suppressing portion blocks heat transfer from a heat generator to a temperature sensor, maintaining measurement accuracy for endoscope antifogging.

An endoscope illumination device uses closely spaced light sources to achieve uniform spectral mixing.

Parallel slide surfaces in the joint prevent displacement and jamming under twisting loads.

Expansion member enables minimally invasive sacral colpopexy by segmenting procedures and using intermediary mesh to reduce invasiveness.

An optical probe uses a corrective prism to adjust beam waists and compensate for astigmatism caused by transparent tubes.

A curved ultrasonic surgical blade design segments the cutting geometry into discrete faces to simplify fabrication using conventional end mills.

Segmented balloon bolsters prevent dislodgement when primary structures fail, ensuring secure retention during medical procedures.

A vaginal air speculum uses pressure sensing to regulate expansion; inadequate sealing and excessive pressure otherwise hinder comfortable cervical access.

Torsional ultrasonic vibrations drive compression waves through a stepped waveguide to minimize frictional heating while maximizing energy transfer efficiency.

A one-handed endoscope operation input portion integrates up-down and left-right rotary knobs to enable independent control of the insertion tip.

A shock wave generator uses a fluid-circulated metal membrane to dissipate operational heat.

An operating table-mounted guide device automates endoscope positioning to free the surgeon's working area.

Parallel passages enable simultaneous sample processing while an image capturing device acquires test strip data, eliminating manual reading errors.

Segmenting the endoscope separates reusable imaging units from disposable tips, reducing costs while maintaining image quality.

A blade extending tower sets retractor blade depth using mating features on a column to engage telescoping blades before insertion.

A biodegradable hemostatic implant seals vascular wall penetrations using fluid absorption and radial expansion.