Surgery TRIZ Cases

A double offset surgical tool handle uses a radiused housing region to pivot linkages, enabling secure attachment and precise positioning of instruments.

Destination management processing units route commands to communication modules using added destination information.

An asymmetric lateral spreading arrangement offsets right and left beam paths using prisms to increase separation distance without expanding installation space.

A magnetic maneuvering system actuates capsule endoscopes to rotate and move within the body.

A camera unit calculates power line resistance using a selector circuit to adjust drive voltage for an imaging device.

A multi-wavelength laser diode controller manages super-pulsed light delivery across infrared and visible spectra.

Flexible material sheets sealed into chambers utilize a poly-lactic acid and poly-terephthalate blend to form durable patient support surfaces.

Helical tacks fire from hollow spokes to anchor the expanded mesh, reducing incisions and operative time.

Sidewall-deployed cutting head dislodges embedded filter hooks, enabling complete removal despite vein wall anchoring.

Self-aligning aortic filter deflects emboli greater than 100 microns, reducing stroke risk without obstructing catheter passage.

A basket capture instrument uses a second operation wire to expand the structure and reduce depth for large foreign matter retrieval.

Wire tension detection enables seamless switching between active and passive control modes in a medical manipulator, eliminating complex mechanical mechanisms.

Embedded bend sensors detect probe curvature to create a 3D model superimposed on anatomical images, reducing X-ray exposure during insertion.

A microneedle patch combines PVP with maltose copolymers to balance mechanical strength against biocompatibility for safe transdermal delivery.

The nested dilator assembly uses a sliding inner member to adjust blade shapes, reducing tissue trauma while maintaining flexible access for spinal surgery instruments.

Integrating a manual control aperture into the handpiece eliminates technician communication delays for immediate flow rate adjustments.

A pH-sensitive hydrogel encapsulates active ingredients using cross-linked polyglutamic acid and polyethylene glycol.

A detachable wireless imaging device attaches to the endoscope distal end via friction fit to provide simultaneous front and rear views.

Segmented blades expand radially to eliminate asymmetric dilation, enabling single-operator imaging and remote analysis.

A dual-layer braided occluder uses independent inner and outer self-expanding layers to optimize radial strength and tissue conformability.

A silicone coating agent reduces friction on injection needles through a composite condensate structure that prevents peeling during repeated use.

Joining positive and negative lenses in the rear group reduces flare while maintaining image quality in ultrasmall-diameter endoscopes.

A hard ring member in a catheter connector disperses contact forces to reduce frictional torque, preventing component breakage and ensuring long-term usability.

Inverts polarization of alternate piezoelectric elements to boost vibration amplitude, reducing transducer size while maintaining consistent capacitance.

Rotating an elliptical segment around a focal point expands the acoustic focal region, reducing treatment time and anesthesia risks in medical applications.

A flexible extended tip assembly directs a two-component hydrogel sealant through a mixing nozzle to reach confined surgical sites.

Activatable marker element determines local radiofrequency coil position for PET attenuation correction without interfering with MRI measurements.

Segmented conductive wires with varying resistance improve responsiveness and stiffness control precision by efficiently supplying power to the heater.

Segmented polymers combine polysiloxane soft segments with polyurethane hard segments to resist oxidative and hydrolytic degradation in long-term implants.

Threaded drive replaces cable pulls to eliminate re-tensioning needs and reduce friction in flexible endoscope shanks.

A nanoporous contact lens uses optical interference to monitor intraocular pressure in real time.

A distal end nodal ring incorporates an accommodating groove to securely hold and weld pulling wires directly onto the tubular member.

Plasticizer lowers polymer glass transition temperature to maintain mechanical strength while enabling complete erosion and preventing late stent thrombosis.

A tamponade pad applies pressure to the conjunctiva during intravitreal injection procedures.

Segmented universal washing systems resolve storage complexity by attaching a shared supply mechanism to specific body portions for effective distal cleaning.

Segmented endoscope insertion unit adjusts bending rigidity across multiple segments to reduce pressure on body cavity walls and improve propulsion efficiency.

Multi-projection MRI sequences localize ferromagnetic particles using parameter-changed read gradients, reducing measurement time and migration risks.

Integrated container system reduces bottle replacement frequency and contamination risks during continuous endoscopic procedures.

Rotator-shaped distal-end portion distributes stress evenly to prevent optical fiber breakage during spiraling scanning.

Dual image sensors and beam splitter generate normal, narrow-band, and auto-fluorescent video signals from a single optical path.

Elastic cover tube maintains clearance between rotating members and adjacent portions, reducing friction for smooth rotation.

A wireless communication apparatus detects signal change points and synthesizes phase vectors to identify specific transmission signals.

A dedicated suction device connects to an endoscope biopsy port using a separate valve and tubing system for efficient fluid evacuation.

An adjustable guide on a double-bladed cutter ensures uniform slice thickness, eliminating manual scalpel imprecision in cartilage harvesting.

Electroactive elements contract to adjust catheter shape and stiffness, reducing guide wire dependency for complex vasculature navigation.

Direct contact cooling removes heat from LED elements while integrated tubing eliminates cable entanglement in the surgical field.

An extraluminal instrument uses a super elastic wire loop to apply sealants around anastomotic sites, reducing leakage and promoting healing.

Temperature measuring section adjusts control signals based on thermal changes to keep laser light quantities within safety standards.

Endoscope optical system uses Hartmann Dispersion Formula to set glass limits, correcting multi-wavelength aberrations for diffraction-limited resolution.