Splash back reduction drip chamber

Details Splash back reduction drip chamber Splash back reduction drip chamber

1986-10-29

1987-06-16

Pellegrino, Stephen C.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

A61M 516

Patent

active

046733973

ABSTRACT:
A medical fluid administration set and a drip chamber (10) for use on the administration set are disclosed. The drip chamber (10) may be used with conventionally available drop counters whereby fluid flow can be monitored. The drip chamber (10) is intended for incorporation into a medical fluid administration set. At least a portion of the inside surface of the drip chamber (10) has a matte or satin finish (20) as distinguished from a glossy finish. The matte finish (20) alters the surface characteristics between solution residing in the drip chamber (10) and the drip chamber (10) itself, thereby preventing substantial upward splash back or bounce back of liquid drops impacting the surface of the fluid in the drip chamber (10) which splash back or bounce back can result in erroneous flow rate indications.

REFERENCES:
patent: 3563090 (1971-02-01), Deltour
patent: 3596515 (1971-08-01), Cramer
patent: 3774603 (1973-11-01), McPhea
patent: 4314484 (1982-02-01), Bowman
patent: 4328801 (1982-05-01), Marx et al.

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