US 11,850,047 B2
Blood collection system including a baffle
Yiping Ma, Layton, UT (US); Joseph Spataro, Cottonwood Heights, UT (US); Huy Tran, Riverton, UT (US); Kathryn Willybiro, Park City, UT (US); Jonathan Karl Burkholz, Salt Lake City, UT (US); and Bart D. Peterson, Farmington, UT (US)
Assigned to Becton, Dickinson and Company, Franklin Lakes, NJ (US)
Filed by Becton, Dickinson and Company, Franklin Lakes, NJ (US)
Filed on Aug. 5, 2022, as Appl. No. 17/882,021.
Application 17/882,021 is a division of application No. 16/741,923, filed on Jan. 14, 2020, granted, now 11,439,333.
Claims priority of provisional application 62/794,436, filed on Jan. 18, 2019.
Prior Publication US 2022/0369969 A1, Nov. 24, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 5/15 (2006.01); A61B 5/155 (2006.01)
CPC A61B 5/150992 (2013.01) [A61B 5/15003 (2013.01); A61B 5/155 (2013.01); A61B 5/150053 (2013.01); A61B 5/150213 (2013.01); A61B 5/150221 (2013.01); A61B 5/150343 (2013.01); A61B 5/150755 (2013.01); A61B 5/150946 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A blood sample collection system, comprising:
a housing, the housing comprising:
a blood collection port; and
a baffle chamber;
a collection needle formed through the housing and into the blood collection port; and
a baffle formed within the baffle chamber and configured to counteract a vacuum within a blood collection tube when the blood collection tube is introduced into the blood collection port and pierced by the collection needle; and
a spring disposed within the baffle and biased such that the baffle is in an expanded state.