Surgery – Gastronomy feeding tubes
Reexamination Certificate
2005-04-12
2005-04-12
Demon, Thomas (Department: 3748)
Surgery
Gastronomy feeding tubes
C604S264000, C604S268000
Reexamination Certificate
active
06878143
ABSTRACT:
The present invention is a bolus for an enteral feeding tube, or catheter, that is capable of being used in an over-the-wire intubation procedure as well as other intubation procedures. The bolus has a generally tubular body defining a sidewall, a proximal end tube opening capable of being connected to a distal end of the enteral feeding tube, and a generally rounded terminal end having a flattened tip. The bolus includes a fluid opening within the sidewall of the bolus between the proximal end opening and the terminal end of the bolus. An interior surface of the sidewall opposite the fluid opening is curved and slopes upwardly toward a distal end of the fluid opening. The curved interior surface and the fluid opening configuration allows for fluid flow that approximates the fluid flow rate characteristics of an open-ended tube. The fluid opening is biased toward the terminal end of the bolus thereby defining an elongated collar portion adjacent the proximal end tube opening of the bolus. The terminal end of the bolus has an aperture therethrough that forms a stylet passage in communication with the fluid opening. The stylet passage is sized to allow a stylet to pass therethrough when the tube is used in an over-the-wire intubation procedure.
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“Corscope Endoscopically Placed Feeding Tube” brochure, copyright 1992.
“Silk Over-The Wire Jejunostomy Tube” brochure, copyright 1993.
Bell Boyd & Lloyd LLC
Chang Ching
Corpak, Inc.
Demon Thomas
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