Surgical access apparatus and method

Details Surgical access apparatus and method Surgical access apparatus and method

2005-05-03

2005-05-03

Flanagan, Beverly M. (Department: 3739)

Surgery

Endoscope

With particular distal tip configuration

C604S264000

Reexamination Certificate

active

06887194

ABSTRACT:
A laparoscopic insufflation device is provided in the configuration of a coil with a blunt tip. The device is capable of passing through the abdominal wall without cutting tissue, and exiting the abdominal wall substantially parallel to the inner surface. While rotation of the coiled device results in forward movement through the abdominal wall, a counter force can be applied to the device to create a safety space between the wall and the interior organs. With the blunt distal tip, parallel exit angle, and safety space, there is substantially no threat to the interior organs during placement of the device. Further space can be generated with the use of pressured gas to produce an abdominal cavity for the subsequent placement of trocars. By rotatably attaching the coiled insufflation device to a trocar, the advantage of a counter force can be used not only to establish the safety space but also to pull the trocar into the abdominal wall with a counterforce which resists tenting.

REFERENCES:
patent: 5334150 (1994-08-01), Kaali
patent: 5407427 (1995-04-01), Zhu et al.
patent: 5738628 (1998-04-01), Sierocuk et al.
patent: 6001084 (1999-12-01), Riek et al.
patent: 6068637 (2000-05-01), Popov et al.

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