Surgery TRIZ Cases

A three-group objective optical system moves a negative lens group to focus light onto an image pickup surface.

Parallel hollow microneedles overcome low transdermal delivery rates and pain by distributing flow across multiple channels.

A sterilization-assistance device uses pressure sensors and strain gauges to monitor dry booster attachment status during medical instrument processing.

An inflatable bladder encloses an insertion tool that provides column strength for implantation, then dissolves to restore natural flaccid softness.

A grip section touch surface detects finger sliding to control endoscope bending directions.

Inflated elastic airbags restrain the insertion tube, reducing jitter and preventing image blurring during gastrointestinal examinations.

A fuel cell ethanol detector separates vapor signals from humidity interference using a proton exchange membrane and selective electrode potentials.

Selective coating removal exposes magnesium areas, regulating corrosion rates and reducing hydrogen production.

A shape memory alloy wire actuator moves an endoscope lens using a control circuit that alternates heating and detection periods.

A gas-assisted endoscopic applicator vents excess abdominal pressure while spraying fibrin and thrombin adhesives.

Optical attenuators adjust transmittance to equalize detector noise across multi-channel fNIRS probes.

Continuous simultaneous image fusion eliminates temporal latency and motion artifacts while preserving tissue detail information.

Keyed articulation members form joint connections via radial extensions to enable rotation without protruding into the through-opening.

A pressure gradient-based seal prevents gastro-esophageal reflux and bacterial colonization in critically ill patients receiving enteral nutrition.

Tapered sealing portions self-align during assembly to resolve misalignment issues and improve watertight reliability.

A distal imaging attachment uses optical elements to transmit and reflect radiation, providing simultaneous forward and multidirectional views.

A transparent focal instrument positions at the effective focal plane of an endoscope imaging device to capture sharp images.

Arched wires reinforce a braided thrombectomy funnel, maintaining conical stability under axial compression while a tractor inverts to engage and pull clots.

Automated sensing and control replace manual visual comparisons, eliminating human error in clinical fluid volume tracking.

A stainless steel lingual retractor integrates suction and illumination to stabilize oral tissues during dental procedures.

Three-point contact mechanism fixes guide wires tilted away from the optical system, resolving fixation reliability issues without increasing device complexity.

Periodic current pulses in a voice coil motor stabilize lens positioning while reducing heat generation and eliminating Hall sensors.

A heat pipe transfers thermal energy from endoscope sensors to the handle segment via conductive coupling.

Covalent bonding of paramagnetic ions to a modified envelope polymer prevents mechanical abrasion and gadolinium release during use.

Merging manipulation interfaces with the visual feed eliminates gaze shifting, allowing precise bending control without looking away from the screen.

A clot dissecting channel ejects a fluid stream to fragment obstructions before they enter the working channel.

Segmented liquid feeding ports remove adhering gas bubbles while preventing new accumulation, maintaining image quality during stone collection.

Segmenting the endoscope tip and nesting cameras expands the field of view without increasing device complexity.

Reactive indicators change color when contacting bodily fluids, preventing unintentional reuse and cross-contamination in medical procedures.

Variable stiffness control in endoscope tubes minimizes friction against intestinal linings, enabling smooth navigation through tortuous colon passages.

A rotationally symmetric optical front group with internal reflecting surfaces forms an annular entrance pupil to direct light beams into multiple baseline directions.

An elastomeric coupler eliminates thread wear and leak risks by deforming to form a fluid-tight seal during rapid connection.

Segmenting the probe into a GRIN lens array and illumination fibers resolves the contradiction between quantitative depth perception and system complexity.

Air buffer isolates and vents pressure to detect improper endoscope port connections, preventing false leak test results during sheath integrity verification.

Integral transponder combines presence detection with unique identification using segmented inductive windings.

Conditioning taxane coatings alters solid forms to control release rates, preventing premature elution while maintaining coating durability.

Varying the driving order of magnetic field generation elements reduces periodic noise interference, enabling high-accuracy position and shape detection.

A separate communication unit wirelessly transmits surgical images, eliminating cables that interfere with medical staff movement.

A fluorescence observation apparatus corrects residue interference using a dedicated correction unit and indocyanine green dye.

Scissor linkage mechanism drives a sealing plug into tissue punctures with high columnar strength.

Active motor feedback directs light in a disposable capsule, eliminating complex rotary junctions and reducing medical imaging costs.

A polymeric inner material swells to absorb intestinal fluid while an elastic casing constrains expansion for precise volume control.

An intermittent power supply circuit drives an electric generator through a resonant intermediary, enabling precise low frequency oscillation control.

A mechanical linkage moves intraoral scanner lenses to adjust the scanning zone, resolving fixed-area limitations for varied oral anatomy.

Non-diffracting Bessel beams penetrate turbid media by resisting scattering, enabling deeper imaging of internal structures.

Local quality clearance distribution and elastic force generation resolve rotation reliability trade-offs in endoscope imaging assemblies.

Flexible removal tool grips endoscope hood step portion via elastic deformation, preventing lubricant transfer to gloved hands.

A unified base plate merges vertical and horizontal drives to shrink the driving portion, while a holding mechanism manages operation wires to prevent breakage.

Segmented adhesive agents fix an endoscope imaging module to prevent thermal misalignment and breakage risks.