US 11,839,741 B2
Apparatus for monitoring, regulating, or controlling fluid flow
Christopher C. Langenfeld, Nashua, NH (US); Daniel B. Finnegan, Pembroke, NH (US); Dean Kamen, Bedford, NH (US); and James M. Scott, New Boston, NH (US)
Assigned to DEKA Products Limited Partneship
Filed by DEKA Products Limited Partnership, Manchester, NH (US)
Filed on Jul. 24, 2020, as Appl. No. 16/937,814.
Claims priority of provisional application 62/879,010, filed on Jul. 26, 2019.
Prior Publication US 2021/0023296 A1, Jan. 28, 2021
Int. Cl. A61M 5/168 (2006.01); A61M 5/145 (2006.01); A61M 39/24 (2006.01); A61M 39/28 (2006.01); A61M 5/14 (2006.01)
CPC A61M 5/16877 (2013.01) [A61M 5/145 (2013.01); A61M 5/1689 (2013.01); A61M 5/16813 (2013.01); A61M 5/16886 (2013.01); A61M 39/24 (2013.01); A61M 39/28 (2013.01); A61M 5/14 (2013.01); A61M 5/1411 (2013.01); A61M 2205/3306 (2013.01); A61M 2205/52 (2013.01); A61M 2205/587 (2013.01); A61M 2205/6054 (2013.01); A61M 2205/6072 (2013.01); A61M 2205/8206 (2013.01)] 26 Claims
OG exemplary drawing
 
1. An infusion apparatus, comprising:
a drip chamber;
a drip-chamber seat configured to receive the drip chamber;
a tube seat configured to receive a tube fluidly coupled to the drip chamber, the tube including a plurality of conduits for fluid flow therethrough;
a plunger configured to engage with the tube; and a user actuator configured to actuate the plunger;
a first shelf defined at an opening of a channel of the tube seat configured to receive a bottom of the drip chamber;
a support member coupled to at least one of the first shelf and a housing of the apparatus;
a top cap coupler configured to receive a top cap of the drip chamber, the top cap coupler including at least one recess configured to receive an arm of the top cap of the drip chamber, the arm of the top cap of the drip chamber being formed of a material having elastic properties such that a springing action facilitates securing of the arm within the at least one recess.