Surgery TRIZ Cases

An iron matrix with PLA and alkaline filler balances degradation acidity, preserves support, and promotes faster bone healing.

A 360° flat mouth and tapered reservoir improve capillary sample pickup, reduce dead volume, and support automated lab handling.

Rotating push portions drive sliding brake members directly onto the knob mechanism, simplifying assembly and improving endoscope braking stability.

Switching illumination by target area size helps endoscope imaging present more accurate analysis results under changing observation conditions.

A multi-arm cervical fixture links to an isokinetic dynamometer to capture real-time range of motion and torque across full neck movements.

Halogenated butyl rubber blended with liquid polymer improves gas permeation resistance in medical stoppers and seals while preserving processability.

Expandable cutters form a reverse-taper tissue opening that resists elastic closure and improves long-term implant retention in bone.

A dedicated synchronization line separates timing from USB data, enabling precise light emission and ultrasound reception for needle tip localization.

Daily LF/HF, SDNN, and RMSSD analysis pinpoints ovulation more accurately than costly or inconvenient clinic-based testing.

Multiple tissue sensors combine temperature, bioimpedance, and hardness data into a tissue health score for more accurate lymphedema monitoring.

A pivoting cutting tooth opens from a retracted position to form initial and undercut bone bores with one tool, reducing tool changes in surgery.

An imaging cap adds simultaneous forward and multidirectional endoscopic views, improving diagnosis without blocking the accessory port.

Slope-based spike detection in magnetic sensor voltage helps endoscopic keypads avoid phantom presses and missed button releases.

A cervical stop, brush, suction, and absorptive tip enable gentle endometrial sampling with cleaner fluid retention and less tissue trauma.

A dual-excitation phosphor layer enables white light and vascular imaging in an endoscope tip while saving space and improving illumination efficiency.

A segmented insulated electrode layout cuts shock wave attenuation and electrode stress, improving calcification treatment accuracy and life.

Infrared markings let endoscopic imaging classify surgical tools in real time and remove marker artifacts from the displayed view.

Frozen endoscopic images and neural-network distortion correction enable more accurate lesion size measurement without biopsy forceps.

A sub-seal and balance member keep the valve spool aligned, cutting leakage and switching force in specimen collection.

A mesh-covered elastic core enables spiral winding without antifriction agents, keeping endoscope tubes clean and improving productivity.

Antimicrobial coatings or bulk additives on on-body sensor surfaces inhibit biofilm and infection, helping preserve accurate analyte readings during extended wear.

A PLGA-PEG implant matrix enables sustained local release of hydrophilic and hydrophobic antibiotics to reduce infection and foreign body reactions.

A medial oblique knee incision preserves the VMO and quadriceps tendon while maintaining joint exposure with retractors to reduce trauma and pain.

Relief features release captured clot at high force while an embolic protection device limits embolization during mechanical thrombectomy.

A lever-locking trial neck secures to the femoral canal instrument for precise hip implant alignment while preventing inadvertent decoupling.

A low-flow centrifugal pump unloads the left atrium and ventricle while lowering thrombosis, hemolysis, and implant power demand.

Spring-action clamps and a sliding scale enable precise intra-vascular catheter length measurement while securing the assembly during use.

An optical coupler adds coherent imaging to existing endoscopes by sharing one light path with white light, reducing integration cost and light loss.

A rod-supported catcher ring resists blood flow deformation, enabling precise vena cava filter positioning and safer, faster withdrawal.

An adjustable guide slot lets the forming tool shift around the intramedullary guide to improve bone coverage, implant alignment, and stress distribution.

Stage-aware display switching shows insertion support during scope entry and observation support during withdrawal for smoother exams.

An adjustable overtube changes slot size as powder depletes, keeping fluidized agent delivery stable for effective multi-site hemostasis.

A metal-backed hydrophobic coating with selective exposed areas helps mesh nebulizers retain stable surface energy and consistent droplet formation.

An ambidextrous handpiece layout places the working channel and cable ports near the catheter end to improve ureteroscope grip and maneuverability.

A bone-embedded percutaneous access route uses an elongate skull anchor and smooth external surface to limit infection and soft-tissue stress.

Stored sensor and operating data around fault events help reproduce endoscope abnormalities faster and support better-timed repairs.

A tailored top layer controls Ag/Cu ion release from hard coatings, preserving wear resistance, corrosion protection, and antimicrobial efficacy.

A single-photon detector fused with a photodiode image sensor improves low-light endoscope imaging without high illumination, noise, or self-heating.

A biasing member and pressing member hold the collimator lens against a positioning surface to keep optical connector alignment stable.

Return-light measurement verifies light guide connection so laser output stays safe during detachment while maintaining adequate observation light.

A gear-and-toggle lever mechanism locks endoscope position without continuous hand force, reducing wear from brake-type locking parts.

A bioabsorbable mesh septal occluder uses reversible locking connectors to simplify catheter placement and improve long-term implant stability.

Integrated connection features let one surgical tool fit Hudson, AO, and Trinkle connectors without adapters, cutting kit weight and delays.

Rigid-flex board segmentation and angled PCB layout simplify miniature endoscope assembly while improving soldering stability and signal reliability.

Injection-molded rigid and flexible resin sections cut endoscope bending-part cost while enabling disposable hygiene and easy replacement.

Rectangular light guides use total internal reflection to center endoscope illumination while improving sealing accuracy and durability.

A dial-driven rack-and-pinion coupling simplifies endoscope wire attachment while preserving precise insertion tube manipulation and hygiene handling.

A low-profile balloon catheter uses coplanar electrodes and conductive fluid to cross tight occlusions and crack lesions while protecting tissue.

One imaging setup separates wavelength bands to capture fluorescence and oxygen saturation images with fewer components and lower cost.

Separate channels and a pressurized medium keep substances apart until exit, then atomize them to form a protective GI covering.