| 摘要 |
A seal assembly for use with an access device during a surgical procedure includes a housing having a passageway therethrough dimensioned to permit passage of a surgical instrument and being adapted for mounting to a trocar device, and a seal comprising a gel material and being mounted to the housing across the passageway. The seal includes inner seal portions defining an access channel dimensioned to form a substantial sealing relation with an object therethrough and substantially close in the absence of the surgical instrument. The seal preferably comprises a second material having a hardness greater than a hardness of the gel material. The gel material may be selected from the group consisting of urethane gel, silicone gel. |
