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This invention relates to a seal to be used with a trocar for introducing surgical instruments, guidewires, dilators, catheters or similar instruments into a patient. The seal is in a closed, or sealed, position when no instrument is inserted in the seal, when the seal is in an unstressed condition.
4 considerations for worn shafts, highly abrasive or corrosive environments, shaft and housing surfaces, and lubrication. Part two of the guide is the Walkersele Mould List providing details of over 4500 seals for which tooling is held, including a range of large diameter TBMS tunnel boring machine
This patent describes a mold (1) for the production of plastic lenses that incorporates a tubular gasket (2) to surround the mold. The lens surfaces are formed by the top and bottom molds (3,4). An elastically deformable triangular projection band ( 5) is integrally formed on the inner peripheral su