Surgery TRIZ Cases

A multi-segment burring tool shapes vertebral bone using distinct cutting surfaces on a single rotating head.

Segmented flow paths with distinct thermal resistance values prevent thermal interference between adjacent LEDs in endoscope light source apparatuses.

A disposable urine collection diverter routes fluid to a reservoir or monitoring cartridge via selective interconnection.

Tomographic marker detection calculates compressed breast thickness using focused image slices from multiple radiation angles.

Tubular endoscope connectors use capacitive coupling to transfer signals, preventing electrode corrosion and contamination during sterilization.

A compact video module pivots off the endoscope axis to enable larger instrument insertion through the distal opening.

A medical instrument holder quick coupling uses a spring bridge to pre-stress offset through-holes for secure locking.

Masking sections extend operation signal pulse width to prevent chattering-induced battery drain and ensure stable power supply control.

Nested rotation units in a single housing enable independent endoscope and camera head control while preventing interference with the operator's arm.

Segmenting the display into fixed and movable screens resolves focus time conflicts by maintaining stable image distances for drivers.

An implantable anastomotic assembly uses superelastic connectors to interconnect a support ring and outer plates against cardiovascular tissue.

Segmenting the light source from the bite block resolves sterilization contradictions while maintaining internal illumination.

Superabsorbent polymer modification resolves the contradiction between thin film uniformity and silver retention quantity.

Segmented insertion tube enables easy cleaning and reduces component costs.

A distal end cover uses a break inducing portion to enable easy detachment from an endoscope.

Segmented protruding fastening mechanisms lock implant sections via through channels, eliminating elastic deformation during detachment.

Sterilized collagen substrate enables rapid uniform skin graft preparation, reducing exposure time and fragility risks.

Dynamic rotation control corrects non-uniform distortion to maintain image alignment accuracy during intravascular scanning.

Integrated needle guide recesses in the speculum body enable precise placement while eliminating separate tools that increase contamination risk.

An embedded excreta analysis system homogenizes and detects fecal biomarkers using integrated microfluidic and optical sensors.

Relocating the release mechanism proximally via a sliding sleeve resolves access difficulties during minimally invasive procedures.

Coaxial pulleys pull opposing wires to maintain tension and prevent slack during endoscope bending operations.

A cleaning device applies pressurized fluid to endoscope channels and measures pressure in non-pressurized lines to verify correct connections.

Conductive polymer fibers detect deflection in medical instruments while preventing torsion errors.

Helical bone cleaning tools remove soft tissue via rotary motion while irrigation fluid dissipates friction heat to preserve bone integrity.

Integrated suction removes fragmented debris while antimicrobial dressings inhibit reformation on the wound bed.

An engagement part and dedicated connector stabilize the connection between a capsule endoscope receiving apparatus and its cradle during data transfer.

Interchangeable augments on a trial stem resolve complexity issues while enabling precise height selection.

A magnification optical system moves a positive lens group to adjust focal length while maintaining constant object-to-image distance.

An implantable device uses a self-expanding frame and covering material to create durable anastomoses while adapting to dynamic anatomical conditions.

A urinary output monitoring system secures a receptacle to toilet hardware using lateral flaps, preventing spillage during ambulatory patient use.

A dimming controller adjusts light emission timing to match rolling shutter sensor driving modes.

A dental handpiece cover integrates a dual-lever mechanism to release the treatment tool securing system with minimal operator force.

A stencil plate guides a dye applicator to deposit precise guide lines on blood vessels, preventing endothelial damage from manual rubbing.

Memory metal strips expand to encase thrombus, preventing embolization and eliminating ischemia risks from proximal occlusion.

An integrated pre-cleaning arrangement measures electrical parameters in endoscope channels to verify liquid presence and prevent blockages.

A radiopaque marker system attaches to surgical margins and provides unique indicators for precise localization through computed tomography scans.

A fiber sensor system uses wireless transmission to convey light signals from a mobile detection device to a fixed processing unit.

Radical polymerization creates a covalently bonded network that prevents hydrophilic polymer migration and particulation.

A medical processor displays superimposed markers on normal and special light images after verifying observation field alignment.

Static casing sheathes ultrasonic horn with lubrication film to reduce heat transfer during bone cutting.

An electronic drive assembly replaces manual rotation, enabling precise lens orientation without auxiliary positioning devices.

Functionalized block copolymers resolve the flexibility versus burst strength trade-off in dilatation catheters by integrating reactive inorganic components.

Magnetic actuation replaces complex mechanical systems to simplify tissue sampling reliability.

Block copolymer polymeric regions resolve contradictions between drug delivery performance and mechanical compatibility in stents.

A surgical drill bit uses a pivotal cutting tip to form a pilot hole and reverse counterbore in bone tissue.

Segmented sealing plates with protrusions ensure air-tight reliability in compact endoscope modules.

Catheter-based system deploys an expandable stent carrying an adjustable annuloplasty ring to the heart valve site.

A playback processing unit manages endoscopic image display times to support efficient observation workflows.