Surgical Needles TRIZ Cases

Segmented handle and disposable needle assemblies eliminate complex cleaning procedures while integrated sensors enable real-time tissue characterization.

A modular bone harvesting shaft connects to a suction canister via an air-tight coupling mechanism that simplifies manufacturing.

A bioresorbable self-folding microgripper captures single cells using pre-stressed bilayer actuation.

A breast biopsy lateral arm uses cam-actuated locking mechanisms to secure a carriage assembly along a predefined axis for precise needle positioning.

Segmented instrument system forms and transfers fragile fibrin clots via a hopper, resolving technical difficulty in consistent arthroscopic insertion.

Multi-angle imaging reconstructs 3D visualization to resolve trade-offs between placement accuracy and procedure time.

A biopsy device user interface uses visual indicators to provide real-time operational feedback during tissue acquisition.

A vibratory device positions an acetabular cup with precise orientation, eliminating manual impact forces that cause bone fracture.

Motorized biopsy needle oscillates to prevent fibrous tissue wrapping during extraction.

A transvaginal probe uses retractable needle electrodes to emit radiofrequency energy and heat pelvic nerves.

Dual-angle X-ray fluoroscopy locates the atrial septum puncture site, eliminating TEE dependence and general anesthesia requirements.

A flocked swab uses a twisted wire core to enhance specimen collection efficiency.

A self-collection insertion plunger device features an expandable brush body with bristles that transition from a compressed state to an expanded form.

A modular cleaning base with ports delivers suction and irrigation to surgical end effectors, eliminating instrument removal delays.

A rotating needle driver spirals medical instruments into tissue to reduce static friction and insertion forces during precise targeting.

A biopsy syringe generates vacuum via a plunger and valve mechanism, resolving two-handed operation constraints to improve needle positioning accuracy.

A delivery catheter houses a leadless pacemaker and integrates electrodes on its containment housing to test potential deployment sites before final fixation.

An integrated hysteroscope combines visualization optics with side-facing biopsy forceps within a single shaft.

A wound care article uses a liquid-absorbent cover surrounding an absorbent body to manage exudate flow.

A screw coupling uses a radially flexible part to assemble elements without rotation.

Virtual trajectory planning on cross-sectional images guides a spatially fixed needle guide to eliminate radiation exposure and procedural corrections.

A controller renders 3D images and tracks needle position using a fiducial pattern on an ultrasound device.

A surgical cannula and stylet device enables percutaneous facet joint access for bone graft insertion.

A flash edge concentrates electrical energy on an electrosurgical electrode tip to improve cutting precision.

Axial movement of a movable base drives the snare coil to engage tissue, reducing invasiveness while improving sampling reliability.

A perforating trocar features a grooved rod that slides on a guide pin for precise bone penetration.

Return apertures in the coolant delivery tube control tip temperature, preventing unwanted tissue ablation during minimally invasive procedures.

A tissue characterization probe uses an array of sensors to locate abnormal specimens within a tissue mass.

A disposable tissue visualization probe uses optical fibers to transmit internal images directly to an external sensor.

A flexible coaxial cannula uses vacuum suction to draw tissue into a lateral opening for precise severing by a cutting element.

A catheter system with an expandable balloon and optical fiber delivers laser energy to tissue margins.

Segmented microwells deliver local drug doses to tissue, eliminating systemic toxicity during sensitivity testing.

A subintimal recanalization catheter uses a deflection mechanism to curve its distal nose and guide wire port toward the true lumen.

An adjustable treatment needle delivers therapeutics to the myocardium, preventing left ventricular wall fibrosis and atrophy.

Localized thermal conductivity prevents uncontrolled tissue damage while maintaining efficient energy storage.

Longitudinal bristle inversion allows the brush to cross strictures, ensuring sufficient tissue sampling.

A catheter device creates an intra-atrial pressure relief opening in the atrial septum to normalize blood pressure between heart chambers.

A probe positioning device uses a casing signal means to slave the probe during insertion into living tissue.

A segmented osteotome shaft transitions from linear to non-linear configurations to create precise vertebral pathways for accurate cement injection.

Anchoring elements engage tissue while a hydrogel carrier expands to prevent migration, ensuring accurate biopsy site identification.

A virtual rigid body optical tracking system projects light patterns to detect tool position without direct line of sight.

Rotating the locking ring disengages the lancet to release stored spring energy, resolving mechanical instability and inconsistent puncturing force.

A high frequency electrode uses removable insulating sleeves to adjust tip exposure length.

A wound drainage covering uses a dimensionally stable layer to distribute negative pressure evenly across the wound surface.

Segmenting the penetrating function from the delivery body reduces tissue trauma while enabling precise advancement of therapeutic agents to specific locations.

Segmented straight and curved edges on a multi-orientation razor blade prevent skin lesions from flipping during the final cut, ensuring precise biopsy margins.