Patent ID: 11963894
Assignee: LIFETECH SCIENTIFIC (SHENZHEN) CO., LTD
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A lumen stent, comprising a tubular body, an inner branch and an outer branch which are respectively communicated with the tubular body, the tubular body comprising a first body segment, a tapered segment and a second body segment which are connected in sequence, wherein the tapered segment is provided with an outer branch window and an inner branch window, with all the outer branch windows and all the inner branch windows located only on the tapered segment, a proximal end of the outer branch being connected to the outer branch window prior to implantation, a distal end of the inner branch being connected to the inner branch window, and the area of the inner branch window being larger than that of the outer branch window, wherein the inner branch is a first inner branch, and further including a second inner branch, and waveform rings on the first and second inner branches are distributed in a staggered manner.