江苏人冠医疗科技有限公司;JIANGSU RECROWN MEDICAL TECHNOLOGY CO. LTD
发明人:
ZHU, Jian,朱健,LIU, Guoning,刘国宁,GAO, Jun,高俊
申请号：
CNCN2019/100326
公开号：
WO2020/125028A1
申请日:
2019.08.13
申请国别(地区):
CN
年份:
2020
代理人:
摘要：
A seal element for a puncturing appliance and a puncturing appliance, the seal element comprising a deformable body made of a flexible material. An air passage (1) is provided in the deformable body and a through hole (3) is provided in the deformable body； the center of the through hole (3) is on the same straight line as the central axis of a trocar (4)； when air is introduced, the deformable body expands, so that the through hole (3) is shrunk； when air is exhausted, the deformed body is shrunk, and the through hole (3) expands. In cooperation with a guide frame (5), it can be ensured that the deformable body expands toward the center of the through hole (3), so that the deformable body closely fits with surgical instruments, thereby greatly improving the sealing performance； by means of the air passage (1), the gas inside the deformable body is controlled, the through hole (3) can be shrunk to be sealed, and the through hole (3) can also be expanded to facilitate the replacement of surgical instruments. The deformable body sealing structure of the seal element is exquisitely designed and suitable for surgical instruments of different sizes. Moreover, the sealing performance is reliable and the product is safe for clinical use.L'invention concerne un élément d'étanchéité pour un dispositif de ponction et un dispositif de ponction, l'élément d'étanchéité comprenant un corps déformable constitué d'un matériau souple. Un passage d'air (1) est disposé dans le corps déformable et un trou traversant (3) est disposé dans le corps déformable. Le centre du trou traversant (3) se situe sur la même ligne droite que l'axe central d'un trocart (4). Lorsque de l'air est introduit, le corps déformable se dilate, si bien que le trou traversant (3) se contracte. Lorsque de l'air est évacué, le corps déformé se contracte et le trou traversant (3) se dilate. En coopération avec un cadre de guidage (5), le corps déformable se dilate vers le centre du trou traversant (3), de telle so
