Method and apparatus for prevention of fluid intrusion in a prob

Details Method and apparatus for prevention of fluid intrusion in a prob Method and apparatus for prevention of fluid intrusion in a prob

1994-04-15

1995-02-14

Manuel, George

Surgery

Truss

Pad

174113R, A61B 812

Patent

active

053885848

ABSTRACT:
A shaft for an invasive bodily probe which includes a central core, a metal sheath surrounding the core and an outer elastomeric coating. A membrane formed of a textile layer disposed between two layers of a flexible, tough film is disposed between the sheath and the outer elastomeric coating. The membrane typically is formed of a woven material whose interstices have been completely filled by two layers of a urethane material. The membrane completely seals the sheath and core to protect the patient from electrical currents carried by wires within the core, and to prevent bacteria and fluids from being trapped in cuts in the shaft. The wires are also protected from damage from bodily fluids and cleaning solutions, since the core is sealed from the environment. A method for preparation of such a shaft includes the formation of a laminate comprised of a layer of a textile encapsulated between two layers of a flexible film, formation of a tube of this laminate, and the sliding of the tube over the existing core and sheath. Adhesive may be used to bond the membrane to the outer elastomeric coating.

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