BARB CLAMP WITH SMOOTH BORE
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United States of America Patent
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Issued Date -
Oct 16, 2014
app pub date -
Feb 3, 2014
filing date -
Oct 17, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
In the improved barb clamp 110, as shown in FIGS. 5 and 6, the barb fitting 112, 212 has an engineered bore size that has the same cross-sectional area as the bore 100 of the tubing 14. When the improved barb fitting 112, 212 are installed into a tube 14, there is no transition between the inner diameter of the tubing 14 and the inner diameter of the fitting 112. As a result, there is no pressure differential on the tubing or in the fluid from outside to inside of the barb clamp 110. Maintaining a constant pressure or a constant velocity of fluid throughout the system may be imperative in certain medical applications. To accomplish this, the free end 150 of the barb fitting 112, 212 are gradually tapered to a sharp point 152. The sharp point 152 on the free end 150 of the barb fitting 112 also allows for easy insertion of the barb fitting 112 into the tube 14. As a result of this configuration, liquid material can never get between the barb fitting 112, or 212, and the tube 14.
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