Orifice insert for a ruminal bolus

Details Orifice insert for a ruminal bolus Orifice insert for a ruminal bolus

1990-03-15

1992-06-16

Rosenbaum, C. Fred

Surgery

Controlled release therapeutic device or system

A61K 922

Patent

active

051221284

ABSTRACT:
There is disclosed an insert for the orifice of a ruminal bolus. The insert fits within the exit orifice of the ruminal bolus such that the medicated paste being discharged passes through the insert creating a back pressure within the paste compartment of the bolus which improves the performance of the bolus. The insert also prevents foreign objects from becoming lodged in the orifice. The insert consists of a grid-like series of openings with insert members extending into the orifice for a significant portion of the total length. Integral with the insert is a flange which secures the insert within the orifice and prevents it from being removed from the orifice or from being driven into the orifice.

REFERENCES:
patent: 3760804 (1973-09-01), Higuchi et al.
patent: 3995632 (1976-12-01), Nakano et al.
patent: 4312347 (1982-01-01), Magoon et al.
patent: 4416659 (1983-11-01), Simpson
patent: 4425117 (1984-01-01), Hugemann et al.
patent: 4772474 (1988-09-01), Eckenhoff et al.
patent: 4872873 (1989-10-01), Zingerman

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