Method of manufacturing an obturator
AssigneeCovidien LP
InventorsGregory Fischvogt, Danny Berry, Emily Davis, Norvin Asido
Life of this patent
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Abstract
A method of manufacturing an optical obturator includes providing an injection mold including a mold cavity defining an outer surface of the optical obturator and a core pin centrally positioned within the mold cavity. The core pin defines an inner surface of the optical obturator. In particular, the core pin may be cantilevered to the injection mold. The method further includes injecting a first material between the core pin and the mold cavity to form the tubular shaft and injecting a second material between a distal portion of the core pin and a distal portion of the mold cavity to form the optical tip.
Claims20
A method of manufacturing an obturator comprising:
- placing a core pin in a mold;
- injecting a first material between the core pin and the mold to form a first portion of the obturator;
- repositioning the core pin within the first portion of the obturator to selectively provide a mold cavity having a predetermined shape of a tip portion of the obturator;
- and
- injecting a second material different from the first material into the mold cavity to form the tip portion of the obturator on the first portion of the obturator.
A method of manufacturing an optical obturator comprising:
- placing a core pin in a mold having an open first end and a closed second end;
- injecting a first material in the mold after placing the core pin in the mold to form a first portion of the optical obturator;
- eliminating vacuum created between the core pin and the first portion by repositioning the core pin within the first portion of the obturator towards the open first end of the mold to selectively provide a mold cavity having a predetermined shape of a tip portion of the optical obturator;
- and
- injecting a second material into the mold cavity to form the tip portion of the optical obturator.
Dependencies are inferred from the claim text.