Surgery TRIZ Cases

Inflatable cells allow sequential expansion to reduce drag and minimize colon wall stress during endoscopic procedures.

A medical retractor uses a peg-and-slot connection to articulate transmission arms and operate a longitudinal slide for secure locking.

A hydrogel-lined cassette channel attracts core tissue samples via moisture-activated adhesion for intact transfer.

A fluid collection device uses a retractable needle and vacuum source to draw bodily fluids through an opening.

A urine collection assembly uses a valve system to direct fluid into separate chambers for distinct sample types.

Abutment portion positions calibration chart against illumination window to resolve image distortion from manufacturing variables.

A medical information processing system extracts finding data from voice input and associates it with examination images.

Photopolymerizable phosphorous layers immobilize ECM proteins on implants, preventing collagen leaching while promoting tissue integration.

Flexible endoscope accessory forms a sealed examination compartment using inflatable positioning rings and sealing bands to secure device placement.

Fluorinated polymer segments enable quantitative monitoring of tissue engineering scaffold degradation through distinct 19F MRI signals.

Adjustable cage expands body lumen to resolve tissue collapse and enable precise instrument maneuverability during minimally invasive surgery.

A retainer secures endoscope fluid pathway segments through fluid sealing, eliminating biofilm formation in difficult-to-clean reusable designs.

Composite links join magnetic beads into a loop that constricts the lower esophageal sphincter to prevent reflux while flexing for food passage.

A control unit detects fluid tube disconnection states in endoscope systems to prevent operational errors.

Segmented waveform structures enable fine-tuned mechanical properties for steerable medical devices.

A cylindrical cap couples a treatment tool via a swing section that bends the grasper inward for precise tissue grasping.

Microchip-controlled deflation valve enables non-invasive balloon removal, eliminating surgical intervention while maintaining real-time pressure monitoring.

A flexible tube and base plate configuration stabilizes the endoscope tube position during medical procedures.

Comparing dual memory identifiers prevents fraudulent reuse of remanufactured single-use endoscopes, ensuring patient safety through strict authenticity checks.

Segmented pawls and diamond-shaped burrs reduce axial movement, enabling quick changes without compromising retention security.

A medical observation device uses a guide image to display operational instructions for contactless input signals.

Pivotable fingers on a torque member rotate the transducer assembly into threaded engagement with the waveguide to resolve manual threading difficulty.

A clot retrieval system uses a memory metal distal body to capture and retrieve thrombi from within a catheter.

Gel carrier encapsulates radiopaque and ultrasound reflective elements to resolve visibility versus persistence trade-offs in tissue marking.

A retractable negative focusing lens adjusts optical path length between front and rear groups to maintain image quality across varying observation distances.

An articulated arm seals a catheter filter against the aortic arch to prevent stroke-causing emboli from dislodging during cardiac procedures.

A biodegradable polyesteramide coating with pendant functional groups enhances adhesion to medical implants.

A flexible gastric band uses interlocking notches and loops to secure a closed position without inflation systems.

A latchable extraction wand compresses a sponge to maximize saliva collection into a buffer solution.

Non-conductive composite shafts eliminate electrical arcing while blue-spectrum LEDs penetrate smoke to restore visibility during electrosurgical procedures.

Pre-loaded antimicrobial agents embedded in polymeric surfaces prevent biofilm formation and encrustation during extended implantation.

Composite acrylic intraocular lens materials reduce temperature-induced glistening formation while maintaining high refractive index and mechanical strength.

Interchangeable angled filter assembly minimizes narcissus reflection and maintains field of view across multiple laser wavelengths.

An offset drive shaft reamer positions the drive mechanism radially outward from the cutting face axis to enable navigation around bone structures.

A deformable resilient frame with a membrane self-expands inside the body cavity to retract organs and create a clear surgical field.

Circular arc gripping portions rotate around contact points to resolve retrieval obstructions in medical imaging systems.

Multivalent acid coatings on metallic stents resolve bioerosion control issues by slowing degradation while delivering therapeutic agents.

A brightness control unit adjusts light intensity and signal amplification in an endoscopic device.

A medical image reporting unit switches between active and silent states to manage assistance feedback during endoscopic examinations.

Inner cylinder stretches more than outer cylinder during bending to form a longitudinal gap.

An objective optical system moves an intermediate group to vary focal length for near-point observation.

Periodic pressure pulses replace continuous monitoring to simplify channel patency detection and reduce measurement complexity.

A coupling device uses displaceable housings and sealing elements to enable fluid transfer through a tube portion.

Segmentation walls separate endoscope tubes from the raising portion, preventing contact damage and simplifying disinfection.

An iron-based metal alloy composition dissolves at a controlled corrosion rate matching bone healing, eliminating secondary removal surgeries.

A manipulator operation system adjusts bending drive ratios based on detected instrument position to maintain consistent movement distances.

A pressing member distributes pulling force across a multi-lumen tube to prevent deformation under bending operation forces.