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Substance delivery device

  • US 6,780,168 B2
  • Filed: 04/09/2002
  • Issued: 08/24/2004
  • Est. Priority Date: 03/23/1995
  • Status: Expired due to Fees
First Claim
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1. A substance delivery device for delivering a substance into a body cavity of an animal into which the device is inserted, said device comprising:

  • a body;

    a plate to be securely located at at least one end of said body;

    retention means carried by said body for retaining the device within the animal'"'"'s body cavity comprising, a plurality of longitudinal elongated flexible arms connected to at least one of said body and said base plate, each of said arms being generally linear in an undeformed state and flexible to a degree to permit lying along the outside of said body for insertion into the animal body cavity, and lying forward of said body when said device is being withdrawn from the body cavity, means operable after the device is inserted in the animal body cavity for moving said arms from the position lying along the outside of the body to extend generally radially of said body, said arms being flexible to be foldable from the undeformed state lying along the outside of said body in a condition for insertion into the animal body cavity to a condition after insertion of the cavity wherein said arms are placed in a retaining condition by said means for moving said arms, wherein each of said arms in said cavity being capable of being bent along its length in different directions at the same time for each of said arms to be capable of contracting and conforming to changes of irregularly shaped internal surface(s) of the animal'"'"'s body cavity when the substance delivery device is in the animal'"'"'s body cavity to maintain continual contact with at least a portion of at least one of said arms lying against the surface of the body cavity for preventing passage of the device through the cavity and/or inadvertent removal and each of said arms can separately flex through substantially 180 degrees from lying in a direction generally along the length of said device body during insertion into the animal body cavity to a position lying forward of said device body when said device body is being withdrawn from the animal body cavity.

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