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1 results about "Fine-needle aspirate" patented technology

Fine-needle aspiration (FNA) is a diagnostic procedure used to investigate lumps or masses. In this technique, a thin (23-25 gauge), hollow needle is inserted into the mass for sampling of cells that, after being stained, will be examined under a microscope (biopsy).

A sample collecting device

PCT designated stageWO2026142494A1Patient riskReciprocating motion
The described technology pertains to a sampling device (100) designed for fine-needle aspiration, addressing challenges in obtaining high-quality cytological samples. The device comprises a body (110) configured to hold a disposable syringe (120), a first actuator (130) for sliding the syringe housing (121) along its longitudinal axis (122), and a second actuator (140) for sliding the syringe plunger (123) along the same axis. A control arrangement (160) operates the device in various modes, including loading, idle, ready, sampling, and unloading, by controlling actuator movements within predefined stroke limits. The device facilitates precise sample collection through synchronized or independent actuator motions, creating vacuum conditions and enabling reciprocating movements for tissue extraction. The assembly includes a disposable syringe and needle (150), and the method involves sequential operational modes for sample collection and preparation for analysis. The described technology enhances diagnostic accuracy, reduces operator dependency, and minimizes patient risks.
Owner:NASLUND INGEMAR