Biopsy forceps for long and narrow tube wall mucous membranes

Abstract

The invention relates to a pair of biopsy forceps for long and narrow tube wall mucous membranes. A forceps clip of the biopsy forceps is in a capsule shape when closed, and the capsule-shaped forceps clip is composed of a first half forceps clip body and a second half forceps clip body. The biopsy forceps are characterized in that the head, far away from a fixing tube, of the first half forceps clip body is in a crow shape, and a half of the crown-shaped head stretches towards the second half forceps clip to form a jaw of the first half forceps clip body; the peripheral wall of the first half forceps clip body extends towards one side of the fixing tube and one side of the second half forceps clip body in an inclined mode to form a forceps handle, the middle of the forceps handle is hinged to the tube wall of the fixing tube, and the tail end of the forceps handle is connected with the far end of a control steel wire; a half of the tube wall of the fixing tube extends towards the far end of the fixing tube to the jaw of the first half forceps clip body to form the peripheral wall of the second half forceps clip body, and a jaw, matched with the jaw of the first half forceps clip body, of the second half forceps clip body is formed at the position making contact with the jaw of the first half forceps clip body. The biopsy forceps have the advantages of being convenient and rapid to use.

Description

technical field

[0001] The invention relates to a biopsy forceps for diagnosis, specifically, the forceps are suitable for biopsy of body cavity mucous membrane, especially narrow and long tubular body cavity mucous membrane. Background technique

[0002] Biopsy forceps are one of the important tools in biopsy surgery, used to collect biopsy samples. Existing biopsy forceps are of a great variety. According to its applicable occasions, it is mainly used for biopsy of superficial body cavities (such as vagina) and biopsy of deep body cavities (such as esophagus, trachea, etc.). The arms of the former are usually rod-shaped hard arms, while the arms of the latter are usually flexible PTFE sheath or spring sheath.

[0003] Currently, biopsy forceps with spring-loaded sheath arms are the most popular. This kind of biopsy forceps includes control handles, spring sheath tube forceps arms, fixed tubes, clamps and control steel wires passing through the forceps arms connected in ...

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