Apparatus and methods for accessing and sealing bodily vessels and cavities

摘要

Everting balloon systems and methods for using the same are disclosed herein. The systems can be configured to access and dilate body lumen and cavities. For example, the systems can be used to dilate the cervix and access the uterine cavity. The systems can also be used to occlude the cervix. The systems can also be used to occlude the urethra.

主权项

1. A system for accessing a cervical canal adjacent to a uterine cavity comprising:
a first catheter; a second catheter radially inside in the first catheter, wherein the second catheter is translatable with respect to the first catheter; a first balloon attached at a first end to the first catheter, and wherein the first balloon is attached at a second end to the second catheter; a second balloon attached to the second catheter; and a connector having a first connector port, and a second connector port, wherein the second catheter extends through the first connector port and the second connector port, wherein the connector further has a third connector port, and wherein the connector and second catheter have a first configuration and a second configuration, and wherein in the first configuration, the third connector port is in fluid communication with a volume between the first catheter and the second catheter, and wherein in the second configuration the third connector port is in fluid communication with a lumen in the second catheter.