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.

A cheek retraction device integrates retractors and a nasal tube to capture aerosols from oral and nasal cavities.

A wearable blood glucose detection device uses a hollow microneedle patch to extract tissue fluid for automated sensor measurement.

A control system varies ultrasonic power parameters non-linearly to enhance therapeutic compound delivery through biological tissue.

Oscillating imaging element adjusts control signal based on acoustic marker correlation to maintain precise field of view positioning.

Replacing metal with PEEK eliminates modulus mismatch, allowing embedded sensors to capture accurate in vivo load data for research.

Alternating helical winding densities control axial movement to resolve the contradiction between pushing power and insertion smoothness.

An asymmetric protrusion and groove alignment mechanism engages to pierce a septum, reducing insertion trauma while maintaining reliable fluid connection.

An implantable pump moves fluid containing cancerous cells from body cavities to the bladder for analysis.

Segmented distension of the fibro-osseous tunnel enables retrieval of retracted flexor tendons while minimizing soft tissue trauma.

Distance sensors track a floating body in a hollow tube to measure urine volume, resolving accuracy issues from container tilt or catheter weight.

A biological sample collection device uses a moveable collection portion and releasable latch system for controlled positioning.

Hybrid illumination merges white and special light spectra to observe surface profiles and blood vessels simultaneously without switching delays.

A disposable endoscope cannula integrates dual cameras and distinct light sources to capture composite images for enhanced tissue visualization.

Segmented wires eliminate joints to maintain structural integrity while navigating tortuous anatomy, reducing breakage risk during obstruction removal.

A sensing device collects oral samples to measure biomarkers for asthma and COPD risk prediction.

A handheld surgical endoscope merges visualization and injection functions into a single integrated device for efficient clinical operation.

Temperature detection drives composition gain adjustments to suppress false colors and maintain image quality linearity across varying luminance levels.

Statistical cancer probability maps overlay 3D ultrasound images to guide biopsy needles toward high-risk tissue regions.

Composite bolsters with embedded ferromagnetic particles and air openings stabilize percutaneous connections while reducing skin irritation.

Expandable shunt device connects pulmonary artery to superior vena cava.

A disposable medical vacuum drainage bag uses an internal framework to transition between collapsed and expanded states.

Processor device adjusts oxygen saturation calculation table using specific colorant concentration signals from image data.

An endoscope optical system uses a greater than 180-degree aperture angle to capture lateral and rearward images while maintaining forward visibility.

A removable protective sheath covers the porous sample collection media to prevent environmental contamination during user handling.

A diffractive microlens corrects wavelength-dependent aberrations in miniature spectral-domain OCT probes.

Integrating a heat sink into the exterior casing transfers heat from the imaging unit, preventing localized heating while maintaining structural simplicity.

An enclosed training system replicates surgical environments using manipulable brain models to develop eye-hand coordination without animal specimens.

Replacing sulfur with organic peroxide in nitrile latex eliminates long ripening times and allergic odors while maintaining tensile strength and elongation.

A tilting casing moves urine between receptacles via gravity to soak test strips.

A coupling member with a biasing locking member secures orthopedic tools for rapid attachment and detachment.

A filter bag attached to a reciprocating core wire expands within a basket structure to capture emboli during vascular procedures.

A surgical imaging device generates scan information to reverse image orientation before transmission, eliminating memory storage delays.

A decentered turning shaft supports a disk member in an endoscope operation section, reducing initial operation force for easier bending.

An endoscope optical head uses LEDs with varying luminous intensity and distribution angles to provide homogeneous illumination across the field of view.

Five or six wire-connected tubular elements prevent inversion during radial expansion, ensuring reliable stone capture in larger renal environments.

An expandable positioning element guides a sealant through an introducer sheath to the puncture site, replacing external pressure to reduce hematoma risk.

A rotatable sample collection well directs liquid flow within a test device.

Direct contact between a heat radiation member and the light source emitting surface diffuses thermal energy, preventing overheating that reduces lifespan.

A rotatable reflecting surface redirects therapeutic light from an endoscope insertion section to intersect the primary emission axis.

Segmented angled blades and extraction channels prevent clogging, enabling efficient debris flow through dense bone tissue.

A control mechanism enables compound movement of an endoscope tool via a rotary member and levers.

Segmented flexible pads with grooves conform to uneven surfaces, resolving the trade-off between material removal efficiency and contact area.

Second rotary body outer edge projects beyond first shaft extension plane to increase rotational range.

A biodegradable bladder implant releases drugs and degrades into excretable fragments.

A light distribution matching unit aligns multi-wavelength illumination paths to resolve color unevenness in capsule endoscopy imaging.