Surgery TRIZ Cases

A surgical instrument actuator uses permanent magnets with identical polarity to create a stable magnetic field for precise lens focusing.

A resilient cleaning member mounted on an endoscope chassis wipes the imaging lens surface during surgery.

Coplanar image capture sensors with a shared optical path eliminate calibration complexity while enhancing resolution, dynamic range, and depth of field.

A parallel varistor clamps voltage spikes, preventing electrostatic breakage of endoscope LEDs without adding circuit complexity.

A medical observation apparatus detects optical signal transmission failures and dynamically adjusts serial electrical signal routing to maintain continuous image display.

Segmented wire coatings reduce operation force by minimizing friction while preventing coating peeling that interferes with movement in narrow spaces.

A multi-sensor endoscope system uses independent exposure control for distinct wavelength bands to capture biological signals.

Flexible struts expand a conical foam filter against vessel walls, preventing emboli passage between the device and wall.

A steerable medical device handle uses a cam and slider mechanism to translate control wire tension for tool deflection.

A force measurement system determines balance strategies using transducers and data processing devices.

A biodegradable polycaprolactone mesh incorporates calcium peroxide particles to generate sustained oxygen release at the surgical site.

Plasma sputtered copper-titanium coatings inhibit endothelialization while maintaining mechanical integrity during large-amplitude deformation.

Histidine-modified graft polymers adsorb onto metal electrodes, creating a stable anti-adhesion layer that prevents protein deposition and resistance increase.

A thermal conductive member and heat dissipation tube remove heat from electronic components to prevent excessive temperature buildup.

Checksum verification prevents transmission errors in endoscope image pickup control parameters.

Segmented spring tips overcome high static friction in locking backers, enabling comfortable single-handed operation without earlobe load.

A protein biochip detects autoantibodies against specific marker proteins in patient samples.

Composite cotton layers with a barium oxide core provide radiopacity and non-stick properties for brain surgery pads.

A flexible printed circuit board wraps around a medical device shaft to route electrical connections externally.

Frangible lid design enables safe heating of biological samples while preventing leakage during pathogen lysis.

A suction-based tongue maneuvering apparatus secures the patient's tongue using negative pressure to enable precise one-handed control.

An integrated analyte testing device uses a fingerprint acquisition pad for donor identity verification alongside lateral flow immunoassays.

Segmented design maintains fluid communication under clothing, preventing pneumothorax when pressure builds.

A control unit calculates detection accuracy and correlation values from multiple fluoroscopic images to determine the tracking target position.

A light source control unit adjusts emission ratios for multiple wavelengths in an endoscope system.

A capsule endoscope uses magnetic field detection to switch power sources reliably without increasing antenna size.

A tibial spacer alters patellar ligament orientation to restore knee joint stability.

Segmented micro-LEDs replace bulky bulbs to overcome thermal and size constraints in automated inspection.

Grooved metal layer holds solder to secure the cover glass, protecting joints from high-temperature sterilization damage.

Polarization sensitive optical coherence tomography scans dental hard tissues to capture high-resolution cross-sections of internal structures.

A medical image display control apparatus generates inner wall images of hollow organs using specific region projection techniques.

A bifurcated 3D filter assembly with a self-expandable braided framework diverts embolic materials in carotid arteries.

Segmented collection heads and tapered flow paths isolate pure saliva from oral contaminants while preventing air bubble entrapment during transport.

A tapered funnel guides a medical specimen bag into an introducer tube, reducing retraction force and preventing tube damage.

A processor adjusts gain and shutter parameters to balance normal light and fluorescence image brightness using a single light source.

A synthetic polymer film featuring a moth-eye structure and hydrophobic coating protects endoscope observation windows.

A flexible pressing part secures protective covers on endoscopes through elastic deformation and conformal contact.

Rigid guide positions wire insertion path distal opening near central axis to prevent operation wire disengagement during pulling.

Segmented surgical drill bit design reduces thermal damage and ensures consistent hole sizes by separating cutting and guiding functions.

A tube and dipstick apparatus collects throat secretions via exhaled breath for rapid antigen detection.

Inside and outside guide pipes adjust bending length to resolve the contradiction between navigating curved sections and maintaining a clear field view.

Segmented coupling components reduce vibration and alignment issues during bone drilling procedures.

A catheter wall with varying acoustic impedance sections differentiates beam attenuation for precise image registration without obstructing the acoustic window.

Dynamic fiber vibration reduces speckle noise, enabling high-resolution color and fluorescence imaging within the distal end of an endoscope.

Flexible thin-film substrates allow injection of cellular-scale electronics, reducing mechanical trauma and inflammation during long-term tissue interfacing.

A surgical handpiece uses suction to draw ambient air through its chamber for motor cooling.

Varying transmission coefficients on a planar element create a unique identifier read by the camera, ensuring accurate optical validation.

Smartphone-based colposcopy insertion unit captures cervical images via integrated lighting and optical waveguides.