Method of establishing pneumoperitoneum
3 Assignments
0 Petitions
Accused Products
Abstract
A tissue perforation device and method. The device preferably includes a housing having a housing pass-through, a penetrator device securely and sealably positioned so that the penetrator device passes through the housing pass-through, and a vacuum system comprising a vacuum source securely and sealably attached through the housing for advancing a patient'"'"'s tissue onto the penetrator device.
-
Citations
26 Claims
-
1-18. -18. (canceled)
-
19. A method of establishing pneumoperitoneum comprising the following steps:
-
exerting negative pressure though a vacuum tube into a housing forming a tight seal between the housing seal and an abdominal wall;
forming an abdominal wall bubble within the housing by elevating the abdominal wall away from underlying organs and vascular structures;
piercing the abdominal wall with a penetrator device by advancing the abdominal wall into the stationary penetrator device; and
allowing room air to enter, or injecting inert gas, into the peritoneal space formed between the abdominal wall and the abdominal organs. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26)
-
Specification