Surgery TRIZ Cases

Offset wide angle lens gathers forward and retrograde images, replacing mechanical parts to reduce complexity and disorientation.

A collapsible surgical reamer uses pivoting blades to expand from a compact profile for insertion.

Elastic electrodes withstand implantation stress without cracking, enabling reliable dynamic accommodation.

A proximal spacer rotationally engages the shaft while an axial coupling secures the trial component.

Information processing device adjusts menstrual cycle data to maintain prediction accuracy.

Integrated hollow microneedle arrays use porous polymer films to alter permeability based on detected analyte concentrations, enabling autonomous drug delivery.

A speckle reduction unit selectively suppresses interference patterns in non-analysis modes using phase multiplexing.

Cyclic voltammetry with carbon nanotube electrodes measures reactive oxygen species levels in sputum samples.

AgCl coated silver sensors detect voltage differences between skin sites, providing objective pain assessment without external voltage artifacts.

A medical transmitting receiving system processes narrowband signal components for received electric-field strength detection.

Surface treatments on a catheter structural support member increase adhesion to resist delamination and buckling in tortuous vasculature.

An X-ray diagnosis apparatus calculates and displays an objective point position on a current image using a stored vector from a reference point.

Mixing thiol and alkene precursors enables rapid UV-induced crosslinking, resolving process complexity barriers for in situ medical device placement.

Wavy cutting ribs form debris tunnels in the centralizer gap, reducing chatter and vibration for smoother surface finishes.

Segmented WDM couplers resolve spectral mismatch bottlenecks by directing broad-spectrum fluorescence to detectors without efficiency loss.

Segmented radial arms and angled handles resolve the conflict between holding stability and surgical visibility while simplifying suture management.

An optical signal modification arrangement encodes device identification data into a base optical signal transmitted through medical instrument connectors.

A transcarotid neurovascular catheter uses variable flexibility transitions to navigate cerebral vessels safely.

A semiconductor light-emitting element drive system adjusts current and pulse width based on optical sensor feedback to maintain color balance.

Threaded tapered surfaces align endoscope connectors to ensure air-tightness without degrading seal packing.

An endoscopic instrument intermediate element with distinct bending resistances and integrated flexion measurement.

A self-enclosed member creates propulsive force against a cavity wall to advance medical payloads through complex pathways.

Overlaid spiral tubes with distinct winding densities resolve the contradiction between resilient property and uniform curvature in endoscope insertion devices.

Pressure pulse analysis detects proper endoscope connection to prevent inadequate washing in large diameter lumens.

Fixed stereo cameras with LED lighting capture 3D dental arches instantly, eliminating mechanical scanning complexity and patient discomfort from coatings.

A dialysis catheter integrates a vascular dimension sensor to dynamically measure vessel diameter during treatment.

A dual biomarker testing device detects pepsin in saliva and D-dimer in blood using membrane-based zones.

Nested hollow needles constrain expanding rake tines to reduce wound size and scarring during laparoscopic procedures.

Gas flow clears pus and mucin deposits from the nasal cavity, allowing the subsequent liquid drug spray to adhere directly to the exposed mucosal surface.

A field lens set between objective and steering lenses aligns visible and near-infrared focal planes for stable endoscopic imaging.

Feedback mechanisms dynamically adjust excitation light intensity to resolve visibility contradictions in deep tissue endoscopic imaging.

Segmenting the main broach body with universal interfaces allows surgeons to customize removal lengths, resolving adaptability versus complexity trade-offs.

A fluorescence image processor allocates tones within a frequency-based adjustment range to generate tone-expanded images.

A rotatable applicator part pivots on a bearing to roll across body surfaces during mechanical impact treatment.

Nested catheter delivery of a bioabsorbable mesh occluder closes atrial septal defects while eliminating long-term metal implant risks.

An endoscope system synthesizes forward and lateral field of view images into a composite bird's-eye view for spatial orientation.

A surgical instrument with an adjustable jaw opening mechanism uses a bolt-guided slider to accommodate varying bone thicknesses and reduce operation time.

A radially expanded flange and flexible retaining element block heart tissue from entering the pump inlet, preventing flow blockages.

A degradable polymer coating on an iron-based alloy substrate manages early-stage corrosion through a dedicated inhibition layer.

A voice coil motor moves an endoscope lens while a magnetic detector eliminates friction and leakage fields for precise position feedback.

An implanted stimulation device increases blood flow to female erectile tissue to achieve engorgement.

Feedback control adjusts heater power to prevent fogging while avoiding heat injuries to tissue.

Segmented polymeric tubular members enable precise directional bending through tortuous anatomical paths.

Curvilinear bite block occludes blood flow via superior labial artery pressure, eliminating nasal trauma and re-bleeding risks.

Living hinges in the sidewall segments allow the cup to collapse for compact storage, resolving the contradiction between reduced volume and device complexity.

An elastic marker fixes to endoscopic tools via friction, establishing a visible position reference that eliminates radiation exposure during bronchial biopsy.

A multi-camera imaging array captures overlapping fields of view to generate detailed 3D models of pipe interiors.

A collapsible surgical reamer transitions between a compact insertion profile and an expanded cutting configuration to minimize incision size.