Surgery TRIZ Cases

A medical imaging system overlays registered CT data on fluoroscopy images to visualize hollow organ occlusions during interventional procedures.

Hydrogel expansion and mechanical anchors prevent migration, ensuring accurate biopsy site relocation during follow-up procedures.

Spring-loaded clamping mechanism replaces screws in endoscope slide and rod assembly, eliminating tool use during cleaning.

Calcium and strontium doped magnesium implants dissolve into non-toxic ions, eliminating secondary surgeries.

Electrical heating expands a shape memory frame to seal vessels and capture clots, preventing fragmentation during aspiration.

A miniaturized optical head uses a divergent lens and convergent doublet to focus excitation light at the distal end of flexible fiber bundles.

A medical light source apparatus combines multiple laser beams into a single optical path using specialized reflection mirrors and optical assemblies.

Segmenting in-vivo image streams into simultaneous subsets resolves the trade-off between review speed and detail visibility.

Resilient sleeves eliminate springs in surgical attachment mechanisms, preventing accidental actuation during spinning while simplifying cleaning.

A surgical system uses a high-speed startup driver to create and write an image to an SSD for rapid device initialization.

A specimen container uses a moveable sleeve to bring the collection region and reservoir into fluid communication for automated mixing.

Liquid filler injection expands a temporary intragastric implant to occupy gastric volume, enabling non-surgical weight loss without complex removal procedures.

An Au-Pt alloy with controlled Pt content achieves a single alpha-phase structure for medical use.

Low-expansion resin buffers thermal stress to maintain adhesive bond strength between optical components.

Dynamic fan orientation enables active movement and concentric imaging of specific internal organ regions without damaging tissue.

Angled reamer spindle reduces muscle trauma during minimally invasive hip replacement by allowing bone cutting from an oblique approach.

Resiliently flexible flaps in a bifluidic valve seal enable seamless transitions between insufflation and irrigation configurations.

Nozzles on a removable sheath spray liquid and blow gas to clear lens fogging without removing the scope.

A tetherless biopsy device uses a self-reversing cutter drive mechanism to translate tissue within a needle for single-handed operation.

Automatic calibration system localizes ultrasound probe and phantom frame using electromagnetic tracking to determine transformation matrices.

A manufacturing apparatus forms porous nerve conduits by infiltrating polymer between sacrificial glass fibers and dissolving them to create uniform microchannels.

Inverting the string position prevents leakage and friction by concealing the member within the folded absorbent layers.

Segmented introducer components with a fluid seal allow flexible angulation, reducing patient discomfort while maintaining reliable tissue access.

Multilayer polyelectrolyte film detects breath acetone via optical changes to quantify glucose levels noninvasively.

Varying transducer emission surface areas compensates for focal and acoustic attenuations, ensuring uniform pressure distribution in the target zone.

A retrieval device secures a net element to a wire loop and leg portions for reliable object capture.

A motion compensation method extracts cardiac motion fields to correct 3D image data sets during angiography.

A wireless biological signal receiver cycles between active and low-power modes to minimize energy consumption.

An endoscope optical waveguide couples illumination radiation into a beam splitter for coaxial delivery to the distal objective.

A bidirectional image display apparatus generates visual data from both start and end viewpoints within a tubular structure to provide comprehensive internal observation.

Integrating a liquid capture interface into the breath sampler boosts pathogen yield without requiring separate collection apparatus.

Blending cyclobutanediol polyesters with fluoroalkyl additives reduces fibrinogen adsorption while maintaining mechanical strength for medical devices.

A wedge-based ramp inserter adjusts implant height while maintaining a constant insertion angle.

An imaging proxy projects identifiable structures into a narrow field of view to determine external body positions.

Optical fiber sensor probe measures tissue oxygen saturation to distinguish viable from nonviable intestinal tissue, replacing unreliable visual inspection.

Voltage-controlled liquid lenses replace mechanical focus rings, eliminating manual operation delays and visualization loss during endoscopic procedures.

A wire-equipped stent applies a highly smooth distal portion to reduce sliding resistance against undulated catheter surfaces, enhancing operator handling.

Non-metallic composite materials replace conductive metals in the steerable sheath, eliminating RF-induced heating and image artifacts during MRI procedures.

A method for producing customized knee replacement implants using population-specific anthropometric data to match individual anatomical shapes.

A video signal processing apparatus reads unique parameter data from an endoscope scope to verify integrity before image output.

A reusable imaging assembly couples to a disposable working assembly via an active optical element and precision ferrule.

A fluoroscopic device corrects fluorescence images using a smoothed reflected light reference to enhance lesion visibility.

Centrifugal force drives flexible tabs to lock surgical tools, eliminating manual coupling steps and reducing device complexity.

Relocating contrast material to the balloon wall eliminates radiation attenuation while enabling clear imaging and accurate dose delivery in irregular cavities.

Recessed finger placement areas balance pressing and operation forces to reduce finger slipping and maintain stable grasp during endoscope bending.

Segmenting thick films into laminated P4HB layers resolves the trade-off between mechanical strength and flexibility while preserving molecular orientation.

A universal sealring cannula secures vasculature with dual clamping surfaces and an elastomeric seal.

An endoscope hard member uses a dam portion to block adhesive flow into internal components, preventing contamination while securing the connection.

Removing grip members from the valve cusp sizer enables direct insertion into the narrow aorta and reduces vessel wall injury risk.

Segmented front and rear lens groups maintain back focus while suppressing aberration variations during focusing.