Surgery TRIZ Cases

Segmented channel portions support a driving unit gear to maintain axis parallelism, reducing frictional resistance and wear during force transmission.

An ergonomic speculum features an obtuse handle angle and rotatable upper bill for comfortable insertion.

Microplasma treatment modifies polymer tube inner surfaces to enhance cell adhesion, preventing thrombosis in artificial blood vessels.

An image relaying device uses orthogonal optical axes to direct light from a distal objective lens to a proximal window region.

Inner and outer mounting faces compress vessel membranes to eliminate sutures, reducing procedural time while maintaining connection reliability.

An oblong endoscope sheath positions the cylindrical instrument to create a dedicated fluid conduit for cleaning.

Machine-implemented classifier combines anatomical, morphological, hemodynamic, and biochemical features to calculate plaque rupture risk scores.

Plasma-enhanced chemical vapor deposition deposits a silicon oxide layer on silicone substrates to lower surface friction coefficients.

A vibratory gun-like device installs acetabular cups using inertial measurement unit feedback for precise alignment.

A sealing member blocks coating migration on an optical pressure sensor guidewire, maintaining measurement accuracy while preserving flexibility.

Embedded axial braid disperses stress at the tip boundary to enhance torque transmission through acute vessel angles.

A controller computes distal tip temperature from LED junction voltages to regulate illumination intensity dynamically.

Tangential water flow drives a turbine to rotate a milling tool, preventing airborne particle dispersion during home pedicure treatments.

A sliding element synchronously adjusts a shielding section with the viewing direction, eliminating scattered light degradation from manual diaphragm tracking.

A flexible endoscope shaft routes electrical conductors internally to preserve a low external profile while accommodating large interventional tools.

A rotating film roller advances a hydrophilic-coated reflective surface to prevent fogging and debris obstruction during dental procedures.

A replaceable lens cartridge with hermetic seals simplifies endoscope maintenance.

Thickened anti-slip portion prevents breakage when external forces act on the reduced-diameter endoscope connection.

A rotatable optical cannula enables instrument manipulation and visualization through a single arthroscopic portal.

A light source device detects connected endoscope types to automatically adjust illumination brightness.

Coextruded inner and outer layers reduce friction and kinking in endoscope working channels.

A ferrule with a semiconductor substrate and glass substrate features an insertion hole and trench for optical fiber fixation.

Nested inner achromats in a receiving sleeve stabilize optical alignment, reducing tilting errors in rigid endoscopes.

A porous fibrous vascular closure plug absorbs blood via capillary action to seal puncture sites.

A relay lens barrel positions a positive lens to suppress tilting, resolving axial comatic aberration in high numerical aperture systems.

An asymmetrical artificial disc nucleus deforms against end plate keels to correct kyphosis and lordosis while preserving natural spinal kinematics.

A fluorescence imaging apparatus identifies tissue regions using dynamic processing conditions based on treatment tools.

A UV reflector directs ultraviolet light through a window to sterilize patient skin, reducing infection risk during extended wear of minimally invasive devices.

Centralizing the instrument channel in a ureteroscope shaft reduces ureter wall damage risk by maximizing separation distance during insertion.

A light source driving apparatus delays pulse modulation signals to sample light amounts at predetermined timings.

Elongated endoscope objective lens unit accommodates light source devices within the distal end while maintaining wide field of view imaging.

A glycolide-based tampon formulation releases acid to lower vaginal pH below 5.5.

An automated motion assessment technique determines no-motion windows in cardiac cine series data.

Segmented operating arms with multiple degrees of freedom overcome parallel arrangement limits to enable three-dimensional spatial movement.

Stiffness variable portions adjust rigidity along the insertion section to prevent S-shaped buckling and ensure stable propulsion force transmission.

Disposable USB cup with integrated sensor eliminates clinical contamination risks by enabling private, accurate urine analysis without trained staff.

A sample management module uses an overflow reservoir to contain excess fluid and manage internal pressure during collection.

Battery-enabled LED device deployed through an endoscope anchors to the gastrointestinal tract for targeted photobiomodulation therapy.

Placing digital switches in exterior handle recesses reduces bulkiness while maintaining protection during sterilization.

Segmenting signal paths with intermediate circuit boards reduces insertion diameter while preventing attenuation from long composite cables.

Constant-current circuit maintains uniform illumination across interchangeable optical adaptors with varying LED counts, resolving inconsistency issues.

Uniform refractive index lens elements correct wavefront aberrations to resolve the trade-off between high numerical aperture and wide field of view.

Dual inlet structures in a capillary microcuvette enable flexible specimen loading, reducing biohazard risks associated with direct fingertip contact.

A medical image processing apparatus dynamically sets an observation path and determines a visual range based on positional relationships between the viewpoint and the tubular structure's wall region.

A dental instrument gear housing integrates a preloaded spring element with a ring gear to constrain rotational torque.

Dynamic loop portions adjust optical fiber effective length to prevent breakage from bending stress while maintaining signal transmission reliability.

Outer surface sensors and magnetic field detection resolve absolute position ambiguity by displaying capsule location relative to the subject's outer surface.

Interchangeable covers enable a single trap to collect and separate bone from blood, reducing clogging and procedural complexity.

Dynamic swivel joint neutralizes rotational twist in surgical tubing, eliminating torque resistance and reducing surgeon wrist fatigue during procedures.