FILTER SCREEN SHEATH
Applicants
Shenzhen Intervenet Medical Technology Co., Ltd.
Inventors
ZHANG, Wayne Wei, CHEN, Zhong, ZHANG, Xiong
Abstract
The present application relates to a filter screen sheath. The filter screen sheath includes an outer sheath tube and a filtering member capable of moving axially relative to the outer sheath tube; the filtering member includes a filter screen and a frame; the filter screen is provided with a proximal opening and a distal opening; the distal opening is communicated with a tube cavity of the outer sheath tube through the proximal opening; the frame includes a traction wire, a proximal supporting ring, and a distal supporting ring; the proximal supporting ring is connected to the proximal opening of the filter screen; the distal supporting ring is connected to the distal opening of the filter screen; and the traction wire is connected to the proximal supporting ring. The filter screen sheath of the present application allows a treatment instrument to pass through the filtering member, and the filtering member can capture an embolus in a blood vessel during treatment with the treatment instrument, thereby improving surgical safety.
IPC Classifications
Designated States
AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR