Surgery TRIZ Cases

Electroconductive polymer artificial muscles replace complex mechanical bending mechanisms to arbitrarily change the view field direction of capsule endoscopes.

A movement regulating portion prevents wire interference during crossing, reducing wear while enabling adaptable curving directions.

A method for manufacturing an endoscope tip part uses capillary adhesive injection to secure the lens barrel within the exterior housing.

Dual thermochromic strips compare body and ambient temperatures to resolve accuracy issues caused by environmental heat fluctuations.

A tibial trial insert spacing adjustment assembly uses shims to set proximal height.

A resonating syringe plunger applies ultrasonic vibration to maintain particle suspension during liquid delivery.

Haemostatic agent coatings on retractor exterior faces reduce blood loss and improve surgical visibility.

Fabric occluders eliminate metallic frames to prevent nickel allergies and conduction disruption while sealing atrial septal defects.

Segmented nitinol basket and claw mechanism extract hard clots from tortuous vessels without proximal occlusion.

Universal femoral prosthesis attachments resolve inventory complexity by enabling intraoperative stem and box integration for improved bone fixation.

A steerable endoscope deflection device uses elastic reposition members with waveform bars to control bending direction.

A single-use imaging device with a CCD or CMOS sensor housed in molded plastic provides high-definition video output.

A holding member constrains wiring pitch in curved ultrasonic transducers to prevent contact between closely spaced piezoelectric element connections.

Dual positive lens groups capture parallax images while minimizing aberration fluctuations during stereoscopic observation.

Augmented reality system modifies session parameters based on real-time eye behavior detection.

A textile oxygen saturation sensor uses a resiliently variable cross-sectional shape to accommodate light-emitting diodes and radiation detectors for secure fitting.

An automated urine specimen collection system employs a load cell to measure urination speed and a pump to transfer samples, eliminating manual handling.

A radial plate spring and annular friction member exert stable frictional resistance to hold an endoscope bendable portion at any operated position.

Deflection portion redirects ultrasonic waves from peripheral transducers to central observation fields, resolving incomplete stain removal in endoscopes.

Segmented basin design extracts manual mixing from deep sinks, enabling precise additive dilution and reducing technician ergonomic strain.

Embedding pullwire anchors in the catheter wall resolves positioning accuracy trade-offs by securing tension without excessive structural complexity.

A medical system switches between full auto and semi auto modes to control endoscope insertion and bending angles during procedures.

Relocating pretensioning to the distal region eliminates friction from sliding tubes while maintaining optical alignment.

A movable lens system adjusts the distance between optical elements to control light intensity distribution in endoscopes.

A disposable endoscope system separates the image capture unit from the external control base to enable single-use operation.

A shared optical element guides examination and display light beams to the eye, enabling real-time instruction delivery through a single interface.

Curved insert guides endoscope movement to reduce intestinal looping and procedure time.

Removable distal end cover seals wire insertion passage outlets, preventing fluid contamination in elevator mechanisms for easier cleaning.

Nested dilators expand radially via scroll gears to provide 360-degree access while minimizing insertion space.

Segmented engagement pairs align optical axes in medical endoscope connectors, reducing insertion loss and stabilizing laser guidance.

A predictive model processes maternal weight height and fetal weight to generate a risk ranking for shoulder dystocia.

Aliphatic ester units in the copolymer improve flowability for thin walls while maintaining strength and biocompatibility.

Coated sealing elements cover structured metal mesh surfaces on a vascular occluder, reducing thrombus formation while facilitating rapid tissue overgrowth.

Spacer supports convert tensile stress into compression, preventing elastic material detachment and deterioration.

A fluid characteristic indicator uses a helical diffuser to direct sample flow toward a pH-sensitive element for immediate colorimetric detection.

Segmented assemblies with dynamically adjustable blades resolve limited configurability in anterior spinal approaches.

A programmable joystick detects discrete three-dimensional movement patterns to execute specific commands on a medical imaging scope.

A multi-user voice control system uses a channel selector to route speech commands from multiple users to an automatic speech recognizer.

A contact probe endoscope maintains a fixed lens-to-object distance to ensure consistent digital image scaling.

A tumescent skin spacing method uses fluid injection to distend tissue away from a surgical cavity.

An ocular sensor integrates a fluorescent sensor chip and optical detector to measure glucose in eye fluids.

Motor-driven wires bend the catheter via sensor detection, reducing patient trauma during navigation.

Aptamer copolymer coatings degrade via ligand binding, resolving the trade-off between implant stability and explantation ease.

Nested heat pipes within the probe shaft enable precise fluid thermoregulation without increasing device complexity.

Segmented channels prevent premature polymerization, while controlled carrier gases stabilize pressure for uniform spray deposition.

Self-service kits with polyvinyl siloxane putty eliminate costly dental visits while delivering precise impressions for customized mouthguards.

An elastic traction ring stretches tissue via recoil to expose the surgical field, reducing operation time and bleeding risks during submucosal dissection.