Surgery TRIZ Cases

Printed clock codes on test strips calibrate data barcodes for insertion speed and moisture, resolving complexity trade-offs without RFID chips.

An inflatable contour-balloon device deploys hernia repair mesh through a single small-bore opening.

A spinal prosthesis insertion device uses a rotational coupler to apply axial force for secure positioning.

An impeller-driven air curtain prevents fogging and debris from blocking the mirror surface, ensuring safe operation without electrical hazards.

An anionic surfactant layer forms a hydrophobic barrier on iron-based medical scaffolds to inhibit local corrosion during early implantation stages.

Nested inner shafts deploy specimen bags to isolate tissue, resolving complexity trade-offs during minimally invasive removal.

A pressure sensor uses discontinuous conductive patterns to detect mechanical force via contact resistance changes.

A dial operation mechanism with an initial state reversion system returns the endoscope bending portion to a predetermined angle automatically.

Lighting field projector displays visible light on the object to visualize detector panel areas.

Balloon sleeves contract to grip the insertion part, reducing diameter to pass through stenosis sites without additional fixing members.

Non-biodegradable polymeric coatings with latent reactive groups prevent degradation and maintain long-term cell viability.

Visual alignment marks on a positioning aid resolve circumferential orientation errors during guide sheath attachment to endoscopes.

TiN/Ti/TiZr multilayer coatings prevent toxic ion release from metal substrates while improving wear resistance and osseointegration.

A multiphase vinyl polymer primer adheres to metal wires, resolving adhesion and lubricity trade-offs in medical guide wires.

Radial shaft protrusions optimize fluid flow through ureteral access sheaths, lowering intra-pelvic pressure during ureteroscopy.

Spatial projection eliminates manual handling of printed manuals, allowing simultaneous reading and execution while preventing preparation errors.

Segmented blade design resolves adaptability complexity trade-off while pre-loaded coupling prevents grip loss during insertion.

Parallel slice acquisition reduces navigator recording time while maintaining high spatial resolution for motion correction.

A wavelength-dependent aperture filter uses central and peripheral regions to manage light transmission across multiple spectral bands.

Temporal photon correlation analysis recovers spatial resolution in deep brain tissue by distinguishing scattered light paths.

Laparoscope overlays fluorescent bile duct images with visible light to eliminate radiation exposure and reduce injury risks during gallbladder surgery.

Disposable camera head eliminates infection risk and processing costs by discarding the device after one use.

Radially displaceable cutting elements on the reamer expand after insertion through small incisions to prepare bone surfaces, reducing tissue trauma.

A tapered ultrasound transmission wire minimizes fatigue at the proximal connection while pre-cooled refrigerated coolant maintains safe operating temperatures.

Segmented suction ports clear debris while a removable plate lowers replacement costs, preventing fluid obstruction.

An elastic cylinder grips the endoscope insertion section to remove sticky tip covers, resolving slipping issues during manual detachment.

A composite membrane combines a polyvinyl alcohol hydrogel with a textile component to create a flexible barrier.

Circuitry generates irradiation images to control light quantity distribution via an image projector.

IMU data guides a computer to adjust bending stiffness, resolving navigation accuracy trade-offs.

A hollow probe uses a vacuum plunger to draw tissue into an aperture, reducing trauma and complexity in minimally invasive biopsy procedures.

A bioactive composition uses calcium phosphate particles loaded with active agents within a hyaluronic acid hydrogel to promote bone tissue repair.

Color-changing reagents on the testing pad provide immediate diagnostic results, eliminating cumbersome manual urine collection and reducing subject stress.

Axial groove in dispensing needle forms loose seal with rubber plug to discharge redundant air pressure.

Segmented microneedles on flexible substrates bypass crust tissue to deliver drugs precisely, resolving complexity trade-offs.

A control housing with actuators remotely operates endoscope controls through a foot pedal interface.

Mechanical extraction of Wharton's Jelly provides a non-invasive biomaterial source that avoids infection risks associated with autologous bone grafting.

A spring-loaded ring coupler device secures microvessels using elastic potential energy to enable sutureless coupling within deep surgical corridors.

Ultrasonic cast removal apparatus uses a protective shield to contain debris and prevent skin contact during cutting.

Segmented Peltier modules and universal expandable walls provide uniform temperature control to inhibit tumor cell proliferation.

A replaceable replacement member maintains sealing performance while allowing easy repair of damaged optical coupling portions.

Cryofracture periosteum tissue into individual fibers after sequential chemical washing cycles.

A flexible extension clip adapts to bone contours to retract soft tissue during minimally invasive surgery.

A tick removal kit uses a liquid disinfectant container to submerge and sanitize the parasite during extraction.

Transverse channels segment the base surface to prevent clogging and ensure uniform deposit distribution during tongue cleaning.

Microneedle sampling extracts interstitial fluid for immediate visual detection, eliminating self-reporting errors and laboratory delays.

Lanthanum aluminate surface layers reduce bacterial biofilm growth while promoting bone integration.

A compact bendable imaging device captures oropharyngeal images for automated risk assessment.

A mother endoscope operation section features a projection portion that mates with a recessed face on the baby endoscope to establish secure fixation.

A tiltable shock wave source adjusts its focal volume position to track patient respiration.