Catheter TRIZ Cases

Segmented self-expanding housing maintains blood flow while tracking coil motion gates data acquisition to resolve image artifacts.

A medical device delivers high-voltage radiofrequency energy to create deep tissue lesions.

A segmented surgical instrument employs a retractable tip and control mechanism to resolve the trade-off between ease of manipulation and tissue trauma.

A light-based distance sensor measures bladder volume using a conical beam of reflected light.

A medical conduit with a medial bend and lateral opening secures catheters via a gripping retainer, preventing accidental removal or constriction.

Integrated sensors detect air locks and trigger negative pressure pumps to clear obstructions, enabling precise renal function monitoring.

A cylindrical bearing and regulator section reduce friction between the wire and sheath, ensuring precise rotational correspondence during tissue dissection.

A surgical instrument combines a rotating cutting tool with bipolar electrodes to perform simultaneous mechanical tissue removal and coagulation.

A processor calculates corrected Fractional Flow Reserve using a correction factor to account for pressure sensing device cross-sectional area.

A subcutaneous analyte monitoring system uses wireless communication between an implantable sensor and an external guide to transmit real-time glucose data.

A capacitive touch control unit measures pulse by counting charge-discharge time variations caused by wrist proximity.

A curved flexible catheter framework with microelectrodes maintains consistent contact on contoured cardiac tissue despite erratic heartbeats.

Disposable tear-line sheath prevents bacterial contamination at the connection point while allowing easy removal.

Apparatus analyzes catheter signals to identify abnormal electrical potentials in the ventricular myocardium.

Segmented cryoablation elements create consistent circumferential lesion lines around pulmonary veins, resolving contact continuity issues.

A wearable patch measures blood alcohol content using integrated sensors and wireless communication.

A reusable urinary catheter storage case integrates a UV light source and barrier for on-device sterilization.

A reciprocating rasping system converts rotational motor motion into axial linear cutting to enhance surgical precision and control.

A slide-button catheter connector uses a flexible tubular sleeve to grip and retain medical tubing within a housing.

Hybrid analog signals boost light scattering contributions from photodetectors to isolate motion-related parameters within biological fluids.

Metallic coil generates known magnetic field to calibrate magnetoresistance sensor array, correcting position data errors from temperature variations.

Arrayed pressing elements determine blood vessel locus to resolve low accuracy from ignoring vessel position.

Fast Fourier Transform frequency filtering removes motion artifacts from photoplethysmograph signals to derive accurate heart and breath rates in small mammals.

A dynamically variable filter adapts frequency bounds to heart rate changes.

A deformable catheter body with fiber-optic sensing detects distal tip force, resolving inaccurate positioning during cardiac ablation therapies.

A latching apparatus secures a tensioning carriage to the lancet holder, reducing mechanical complexity and improving handling ease.

A hermetically sealed implantable optical sensor uses sapphire lenses and titanium housing to detect physiological light wavelengths.

A method processes ultra-high frequency EKG signals above 250 Hz using amplitude envelope calculation to extract myocardial parameters.

Segmented impedance sensors detect tissue electrical properties to calculate feeding tube placement, preventing aspiration pneumonia from mispositioning.

Integrating adhesive dressing with packaging paper reduces medical waste while maintaining sterility.

A catheter design uses a less lubricous portion on the outer surface of a deformable region to increase friction for secure indwelling fixation.

A pressure sensing guidewire calculates drift-compensated fractional flow reserve using proximal and distal measurements.

Optical sensors measure tissue compression to regulate transducer pressure, preventing stick-slip motion and image blurring during scanning.

Conductive mesh catheter merges diagnostic mapping with therapeutic ablation, eliminating device exchanges that increase patient risk and procedure duration.

A control device retrieves initialization data from a remote database using a sensor identifier, reducing manufacturing complexity and device interfaces.

An energy manifold directs plasma bubble output through apertures to concentrate mechanical force on vascular lesions.

Analyzes stroke volume, mass, and velocity of blood to identify adverse cardiovascular risks from fluid retention.

Multi-sensor catheters provide real-time anatomical feedback to resolve measurement precision limits in pelvic floor training.

Segmented adhesive segments prevent premature removal while enabling comfortable detachment.

A cryogenic medical device delivers subcooled liquid nitrogen through flexible probes to freeze targeted tissue.

Disposable capsule isolates catheter end caps from unsterile environments, preventing contamination during manual cap exchange.

A control unit displays specific points and lines on cross-sectional and projected images to facilitate spatial understanding.

A device uses optical sensors to capture temporal per-pixel information from two wavelengths of light for continuous dynamic blood pressure readings.

A sampling device uses a separating medium to transport analytes into a receiving chamber for continuous monitoring.

Segmenting lumens isolates electrode signals from localization feedback, resolving the trade-off between measurement precision and device complexity.

A padded support device with a crescent cradle stabilizes PEG feeding tubes, preventing kinking and reducing pain at the incision site.

An optical analyte sensor uses isosbestic frequency fluorescence to determine analyte concentration without external calibration.

A low profile gripping device secures flexible polymer tubing using a locking strap with fins and an anchor block.

An offset pivot drive wheel dynamically adjusts mechanical advantage during deflection, reducing clinician input force while maintaining precise positioning.