Feinnadel

Feinnadel is a German term meaning fine needle. It is used as a generic descriptor for slender needles that are designed for precision and delicate handling in various contexts. The term appears in both everyday sewing language and technical medical terminology, and it can also be found in descriptions of laboratory instruments.

In textile crafts, a Feinnadel refers to needles with a small diameter intended for delicate fabrics, fine threads, or detailed embroidery work. Such needles enable careful stitching on fragile materials and are selected according to fabric type and thread weight, rather than by a single standardized brand.

In medical contexts, the term often appears as part of compound phrases such as Feinnadelpunktion or Feinnadelaspiration (FNA). This describes a minimally invasive procedure in which a slender needle is inserted into a lesion or mass to aspirate cells or fluid for cytological or histopathological analysis. The emphasis is on the small needle size, which allows sampling with limited tissue disruption and has broad use in oncology and diagnostic cytology.

In laboratory and research settings, fine needles are employed for microinjection, precise sampling, or electrophysiological work where high precision and minimal disturbance are required. Manufacturing of such needles involves high-precision processes to achieve consistent diameters and sharpness.

See also: Nadel; Feinnadelaspiration; Fine-needle biopsy; Microinjection.