Surgery TRIZ Cases

Multiple inlets fill complex endoscope tip windows more uniformly, preventing opaque polymer contamination and preserving optical quality.

A proximal-side pull wire carrier with a releasable cover simplifies Albarran assembly, improves cleaning access, and supports reconditioning.

Amorphous metal overmoulding forms a bezel around an endoscope window edge, replacing soldering and gluing for lower-cost hermetic sealing.

A fast-gelling urinary bladder ECM hydrogel creates a stable esophageal submucosal cushion for precise dissection with less inflammation.

A tear-open cover exposes the insertion tip only at use, reducing bacterial contamination after sterile package removal.

A straight guidewire lumen and proximally facing exit port cut guidewire resistance, improve tracking, and keep catheter profile low.

Preloaded hemostatic patches deploy from an end cap to cover bleeding ulcers precisely, cutting repeated insertions, time, and cost.

An integrally formed non-metallic layout keeps imaging and lighting surfaces coplanar, reducing shadows while preserving compact strength.

Implanted PMUT sensors track tiny artery diameter changes for silent, continuous blood pressure monitoring without cumbersome cuffs.

A telescopic waveguide lets surgeons vary instrument reach without shifting resonance frequency, improving access, precision, and fatigue.

An extracellular matrix coating helps implantable sensors resist biofouling, inflammation, and fibrous encapsulation for longer use.

Angled illumination windows on both sides of the tool port improve visibility of the treatment tool and target region while keeping the distal end slimmer.

Motion-triggered frame-rate switching helps estimate diagnostic candidate areas during endoscope movement while limiting blur and false positives.

UV-activated fluorescent coatings make encapsulated flexible circuits visible for inspection while sensors monitor wound conditions without frequent dressing changes.

Pressure sensors under a rigid distal tip region enable stable insertion force control, reducing organ load and operator dependence.

Multiple observation-area checks and result comparison suppress vignetting errors in surgical endoscope image parameter control.

Channel-by-channel verification image analysis detects failed ultrasound transducers or signal-line disconnections and helps prioritize repairs.

A self-healing nanoparticle-crosslinked hydrogel forms a durable tissue barrier that improves surgical handling and reduces post-operative adhesions.

A trigger-driven spray and wiping assembly cleans the laparoscope lens in situ, avoiding scope removal and reducing surgical delay.

A spring-biased wire and switchable lock reduce endoscope raising force while keeping the treatment instrument stable when needed.

A displaceable light-guide interface lets one optical instrument switch between internal and external light sources with less stress and more lighting flexibility.

A movable distal end cover fixes and releases a pre-inserted coupling thread, cutting ligator attachment time during contaminated EVL procedures.

Automatic endoscope status tracking detects incomplete insertion or missed target regions and records handover details for accurate reporting.

An extended scope connection uses pressurized fluid channels and boosted data links to increase range of motion without pressure loss or signal degradation.

Hydrogen-bonded PVP and polyacrylic acid layers preserve lubricity after ethylene oxide sterilization while improving coating durability.

An integrated radiopaque ring marker reveals proximal ring opening and orientation during thrombectomy without impairing clot retrieval.

Independent verification gates safety-critical voice commands in medical equipment to prevent misinterpretation and unconfirmed actions.

Separate exposure control for observation and correction light keeps endoscope image brightness suitable for precise oxygen saturation calculation.

Sprayed ECM micro-hydrogels gel on tissue to form a durable barrier that reduces postsurgical adhesions, scarring, and tissue damage.

A collapsible balloon and coplanar electrodes let a low-profile catheter cross tight occlusions while containing conductive fluid and limiting tissue damage.

A flexible seal on a hinged medical processor lid redirects runoff back into the basin when open, preventing contamination outside the seal.

A contactless data storage unit on the implant enables post-implant identification while preserving optical power and avoiding separate labels.

A collapsible-to-expansile funnel tip improves aspiration in tortuous vessels while reducing clot shear, flow restriction, and vessel damage.

A replaceable bioactive luminal wire helps catheters resist bloodstream infection and thrombotic occlusion without device removal.

An implantable loop sensor and Doppler ultrasound combine to track cardiac output continuously with less discomfort outside clinical settings.

Frequency-based waveform correction improves magnetic field normalization, enabling more accurate endoscope insertion position and shape detection.

A split septum seal and constriction ring maintain leak-resistant vascular access sealing across large catheters and small guide wires.

Embedded non-volatile memory tracks catheter use count and status, enabling encrypted reuse control and preventing unauthorized reprocessing.

A sealed reagent chamber and plunger preserve saliva samples during remote collection, reducing leakage, contamination, and spoilage.

An adjustable gluteal-cleft extension secures fluid collection assemblies to reduce leakage and improve comfort during patient movement.

Wireless antennas and RFID let the light source identify the endoscope and cable, avoid connector wear, and adjust illumination settings.

A water-repellent target and absorbent sensor zone guide urine for pH, uric acid, and glucose analysis with manageable device complexity.

Edge-brightness feedback slows dimming response when reflections or halation appear, keeping endoscope images consistently visible.

A sealed piston chamber keeps the endoscope fluid circuit sterile until use while maintaining flow communication with low pressure drop.

Zoned tooth angles on a hemispherical bone cutter improve reaming accuracy while reducing friction, heat generation, and tool wear.

An external suction unit repositions the button to avoid angle knob interference while improving blood suction and one-handed endoscope control.

A three-wire steering layout preserves two-axis endoscope bending while freeing insertion-cord space and keeping handle control familiar.

Removable overcovers add size and texture options to endoscope knobs and handles, reducing hand stress and fatigue across operators.

A single sensor uses separate enzyme-responsive areas and tailored membranes to accurately detect glucose and ketones together.

A low-durometer shock absorber helps high-output IVL catheters distribute pressure and heat, extending emitter life in larger lumens.