Surgery TRIZ Cases

Knitted metal protection absorbs laser energy to stop leakage, enabling safe small-diameter endoscopes without fiber breakage risks.

A pin with an integrated wire guide secures the steering wire in endoscopes to maintain consistent tension.

A fluid control device for endoscopes uses a sounding body to generate warning sounds during reverse flow.

A test cassette uses a displaceable carrier platform to move capillary-active detection elements into liquid samples.

Vacuum pressure jams compliant layers in a flexible envelope, enabling hands-free retraction through existing trocars without additional incisions.

Segmented microneedle arrays accommodate different skin thicknesses, overcoming the impermeable stratum corneum barrier to improve hydration and elasticity.

A cell adhesive substrate immobilizes a balanced peptide group on a bioabsorbable polymer surface to promote stable cell attachment.

Storing calibration data in the connector memory compensates for bad pixels, maintaining image quality while minimizing sensor size.

Mixing blood plasma with excess thrombin and applying pressure during clotting creates films that resist bursting while maintaining biocompatibility.

An endoscope device projects a light and shade pattern to acquire single pattern projection images for rapid 3-dimensional shape measurement.

A sensor system links an input drum to a force-sensing tip via a mechanical transmission to measure tissue resistance.

An impermeable sheath guides an absorbent body via a user's finger, eliminating rigid stick injuries and separate containers during self-collection.

A disposable marker integrates a metallic element within a radiolucent housing to provide x-ray visibility for precise surgical localization.

Ball bearing engages control handle indent to deliver tactile feedback, resolving operator visibility loss during electrophysiology procedures.

Segmented articulation mechanism allows independent tool orientation to prevent obstruction of the observation field during endoscopic procedures.

Integrating the cable with the circuit board via conductive holes reduces the volume of the endoscope image capturing assembly.

Ray casting selects the longest average path from a start point to bias the camera toward the centerline and avoid wall collisions.

A curved image sensor paired with a cemented lens unit corrects optical aberrations while maintaining a compact system profile.

Rack and pinion gears in a detachable endoscope coupling maintain stable wire motion, preventing incorrect linear displacement during surgery.

Electrochemical biosensor detects biomarkers in vaginal fluid, replacing invasive blood draws with a non-invasive feminine hygiene product interface.

A light diffusion process on an endoscope illumination lens distributes optical energy evenly, resolving uneven lighting in wide viewing angles.

A guide member maintains tissue path integrity during device swaps, ensuring accurate catheter positioning despite rapid soft tissue closure.

Generative additive manufacturing creates wavelength conversion structures in optical targets to calibrate medical imaging devices.

Low-temperature processing of clotted autologous plasma preserves biological activity while creating degradable medical implants.

RankBoost clustering segments homogeneous patient populations into molecular subtypes to resolve diagnostic uncertainty and improve early Alzheimer detection.

Bio-absorbable porous pouches promote vascularization while allowing easy retrieval of cell encapsulation devices without fibrotic capsule formation.

Electrodes on the sheath measure impedance changes to detect pericardial or retroperitoneal bleeding before hypotension symptoms appear.

Disposable cover with antimicrobial agent and temperature control prevents bacterial reinfection while maintaining consistent heat for eye conditions.

An OCT catheter controller uses an air bearing mechanism to support high-speed rotation of the optical fiber assembly.

A lever-based surgical apparatus displaces inferior turbinates laterally to relieve nasal obstruction without tissue excision.

Replacing mechanical wiring with a printed flexible circuit simplifies manufacturing and reduces costs for single-use endoscope applications.

A medical valve system lubricates instruments upon insertion using a controlled fluid reservoir.

Handheld electrosurgical electrospinning device deposits polymer fibers directly onto tissue using coaxial gas and solution streams.

Spring-biased arms in a self-expanding plug apply gentle pressure to stretch tissue, reducing trauma from manual taper insertion.

A rotation mechanism converts operator input into precise bending via universal joints, resolving manual operability constraints.

A dental exam tool attaches to mobile devices via a coupling element and mirror retention system for teledentistry applications.

Segmented panel and mediator button apply sustained arterial pressure to control bleeding without complex structures.

Interchangeable focusing modules simplify focal point changes in shockwave probes, preventing water leakage and protecting expensive ultrasonic systems.

Segmented access points and a mediator valve enable sterile sampling while maintaining vacuum integrity, eliminating glass breakage risks.

A charged interventional element attracts negatively charged blood components to enhance clot attachment during retrieval.

A multi-unit endoscope light source device combines separate wavelength bands using dichroic mirrors to deliver high-intensity illumination.

A handheld hemoglobin detector uses a light guide and concentrator to focus illumination on the sample for spectral analysis.

A diffuser generates a high-velocity air curtain to protect the shielding window.

Relief zones on tapered drill bit lands reduce drag and prevent swarf build-up, maintaining drilling efficiency.

A wearable temperature sensor measures created cavity temperature using a miniaturized device.

A dual capsule endoscope system extends imaging duration by using a second device to take over visual data capture from the first.

Hand-held cutting tool removes auxiliary assemblies without damaging the endoscope, solving mounting damage risks during limited access.