Patent ID: 11925343
Assignee: BEIJING FRIENDSHIP HOSPITAL, CAPITAL MEDICAL UNIVERSITY
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A traction apparatus, wherein the traction apparatus comprises a clip portion and a traction portion; the traction portion contains a closed traction structure; the closed traction structure is made of an elastic material; the clip portion comprises a main clip body and a clip arm; the main clip body is capable of passing through a biopsy channel of an endoscope; and the clip arm is capable of clipping one end of the closed traction structure and one end of a pre-separated nidus, wherein the closed traction structure comprises two or more closed traction structures, wherein at least two of the closed traction structures act for everting cut nidus during a cutting process of an operation, such that the cut nidus is pulled up by elastic force of the closed traction structures to complete tissue separation,
wherein the traction portion further comprises a connection ring which is a ring structure arranged on an outer edge position of the closed traction structure, configured to be sleeved on the clip arm.