Surgical Needles TRIZ Cases

Sliding a sleeve along a heating probe positions a temperature sensor near the emitting area, reducing tissue damage and vaporization during thermotherapy.

An intravascular imaging catheter captures 3D vessel images to guide a crossing member through chronic total occlusions.

T-shaped lumbar puncture assist tool with radio-opaque markers guides accurate needle placement, reducing complications and radiation exposure.

Segmented electrodes deploy through small access points to generate volumetric fields, reducing trauma during deep-seated tissue electroporation.

An access needle integrates manometric sensing and depth markings to monitor pericardial pressure, preventing organ damage from blind insertion.

Nested components and preliminary positioning resolve bulkiness and injury risks during precise drug delivery to small bodily cavities.

Modified portions around fastener holes increase local thickness to mask anchor heads, reducing soft tissue irritation while preserving attachment strength.

Instrument event mapper links transmitter signals to ultrasound images, resolving lost biopsy timing and location information.

A biosensor insertion device maintains sterility through a dedicated hydration storage compartment.

An in-line cage device captures stem cells on graft material during fluid evacuation.

A rigid fastener enables secure torque translation between a leadless pacemaker and a steerable catheter.

A combination spinal disk herniation repositioning and radiofrequency ablation device uses probes to mechanically guide disc material back into place.

Capsule medical apparatus detects tissue obtaining unit state variations to output success information for real-time monitoring.

A cylindrical resin member incorporates a concave portion to accommodate a pressed metal pipe.

A needle guide assembly with multiple channels accommodates varying insertion angles and gauge sizes for ultrasound procedures.

A bipolar electro-cauterizing cannula assembly removes visceral fat through simultaneous tumescent solution infusion and suction.

Pulsed radiofrequency energy creates a controlled channel through the pericardium, reducing myocardial laceration risk during needle advancement.

A confidence-based shared control system blends manual and autonomous commands to guide robotic surgical arms along precise 3D trajectories.

Segmented biopsy needle deposits samples into a cooling cartridge, minimizing hemorrhage risk from repeated insertions.

A reinjection pump applies positive-displacement force to move adipose tissue through flexible tubing.

Polyurethane foam absorbent element captures saliva volume, resolving molecule binding issues that limit recovery in traditional cellulose materials.

An injection needle integrates solid-state illumination and an imaging sensor to visualize the delivery site during therapeutic agent administration.

Plaster system secures drainage tubes via detachable holders and support band, preventing lifting movement and skin pressure.

Sparse projection acquisition reduces radiation exposure by up to 500 times while maintaining accurate device localization for safe interventional procedures.

A segmented oocyte retrieval needle combines a thin leading region for tissue penetration with a wider trailing section for fluid aspiration.

Segmenting the device into a flexible needle and rigid sheath reduces tissue trauma while maintaining procedural efficiency.

Optical fibers transmit light from a remote source to eliminate patient shadowing, while contactless sensors adjust intensity to prevent operator dazzling.

A biopsy device uses a vacuum chamber to draw tissue into a stylet opening while an outer cannula severs the sample.

A medical needle with a flat puncturing part featuring inclined surfaces and a depression to facilitate insertion.

A segmented tubular shaft features an enlarged distal end for robust tissue gripping.

A biopsy device features an optically transparent region enabling real-time coherent Raman imaging of biological samples during tissue collection.

A system generates synthetic stereo images from tomographic projection data to guide precise needle placement during medical biopsy procedures.

Segmented biopsy punch housing with replaceable blades resolves cost and depth precision trade-offs for consistent medical research samples.

A multipurpose transseptal assembly extends a crossing member distal tip via an integrated actuator.

A temperature distribution determination apparatus tracks energy application element position to resolve measurement inaccuracies in moving objects.

Segmented carrier tubes prevent premature hydration of collagen sealing plugs, ensuring reliable vascular closure.

An evacuated container draws fluid samples via a needle assembly through a puncturable seal, preventing drying and maintaining sample integrity for analysis.

A laser energy delivery device coordinates transmission with ancillary actuation.

A fine needle aspiration syringe assembly uses a spring-loaded trigger to automatically retract the stylet into the barrel.

A multi-layered dressing integrates antimicrobial, absorbent, and impermeable layers into a single unit.

Ultrasound guidance directs a disposable cartridge needle to target depth, reducing manual skill requirements for precise vessel access.

A retrograde cutter features a pivotable cutting tip that articulates between straight and flip positions for joint space drilling.

A helical tissue sampling instrument features a variable radius zone that accommodates fiber accumulation during extraction.

A positioning apparatus guides a needle using a rotation unit and incremental encoder to track precise angular displacement.

A transfer instrument uses a projection to press medical sheets onto treatment sites.

A radiofrequency generator measures test signal impedance to determine active electrode state and connection status before tissue puncture.

A balloon catheter with a textured outer surface collects biological material from lung cavities.

A disposable syringe device uses a porous filter membrane to separate adipose tissue from fluid components during aspiration.

Integrated bioimpedance sensors replace external imaging to deliver 360-degree spatial awareness, reducing off-target insertion risks during medical procedures.