A previously developed abomasal infusion device was modified for easy and successful placement of infusion lines into the abomasum of dairy cows. Similar to the original device, the modified device consists of 2 pieces: an insertion tool and a delivery tool. Updates include streamlining both the insertion and delivery tools by slightly altering dimensions and design, then smoothing all rough edges. The primary changes include a parallel cut along the entire length of the insertion and delivery tools and encasement of the infusion line inside both tools, allowing for smoother insertion through the reticulum-omasum orifice and into the omasum and abomasum. Additionally, increasing the outside diameter of the delivery tool to reduce the gap between the delivery tool and insertion tool, increasing the length of the tools, and making a loop of cord attached to the insertion tool facilitate insertion and easy ejection of the flange into the abomasum. By using this modified device, placement of abomasal infusion lines (including flange) was more successful.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9623690 | PMC |
| http://dx.doi.org/10.3168/jdsc.2021-0201 | DOI Listing |
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