Seal accomodating diametrical range of surgical instruments

Details Seal accomodating diametrical range of surgical instruments Seal accomodating diametrical range of surgical instruments

A - Human Necessities

61

M

A61M 39/06 (2006.01) A61B 17/34 (2006.01)

Patent

CA 2155743

A seal (10) for use with a surgical instrument to provide a gas tight seal with the instrument having a diameter within a wide range of diameters. The seal (10) comprises a seal body (30), an instrument seal (32), and a laterally compliant seal mounting (34). The seat body (30) includes a bore through which the instrument is passed. The instrument seal (32) is made of an elastic material. The instrument seal (32) extends radially outwards from an instrument port (38) formed in the instrument seal through which the instrument is passed, and also extends axially from the instrument port (38) in the direction opposite to that in which the instrument is passed through the instrument port. The laterally compliant seal mounting (34) mounts the instrument seal to the seal body (30), forms a gas tight seal between the instrument seal and the seal body, and allows the instrument seal to move freely laterally in response to lateral movement of the instrument.

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