Biliary tract biopsy device

Abstract

The invention relates to a biliary tract biopsy device which belongs to the technical field of medicine, clinical medicine and digestive endoscopy and aims at solving the technical problem that the pathological examination on biliary tract diseases in the prior art is a cytologic examination with the aid of a cytology brush in the biliary tract, and the supplied pathological diagnosis has serious limitations. The technical scheme is as follows: the biliary tract biopsy device comprises a handle section, a transmission section and a head section (including an expanding part), the device can be turned on or off from the handle section, and a longitudinal movement is transmitted to the head section through a transmission part, so that cutting blades at the periphery of the head section can move up and down in the longitudinal direction so as to cut off tissues in a narrow position, thereby finishing the histopathologic examination. The invention is mainly used for the histopathologic diagnosis on stenosis of a biliary tract.

Description

Technical field: [0001] The biliary biopsy device can pass through the duodenal biopsy channel under the guidance of the guide wire and X-ray guidance, and take histopathological samples from biliary neoplasms or biliary strictures. diagnostic value. Histopathology is more cost-effective than biopsy under cholangioscope. Background technique: [0002] Pancreaticobiliary disease is a common disease in the digestive system, but bile duct strictures are often diagnosed by imaging, but lack of pathological support, making the preparation for surgical operation and endoscopic treatment insufficient. [0003] With the extensive development of retrograde cholangiopancreatography (ERCP) and related treatment techniques in recent years, it is possible to obtain pathological diagnosis of pancreaticobiliary diseases without surgery. Now the commonly used method is only for biliary cell brush for biliary cell pathology. There are certain limitations in drawing and diagnosis, so the dr...

AI Technical Summary

Problems solved by technology

[0003] With the extensive development of retrograde cholangiopancreatography (ERCP) and related treatment techniques in recent years, it is possible to obtain pathological diagnosis of pancreaticobiliary diseases without surgery. Now the commonly used method is only for biliary cell brush for biliary cell pathology. There are certain limitations in obtaining materials and diagnosis, so it is increasingly urgent and necessary to obtain materials for pathological histology.

Images