Valves and valve actuation – Tube compressors – Roller tube contacting element
Patent
1982-07-16
1984-10-09
Schwadron, Martin P.
Valves and valve actuation
Tube compressors
Roller tube contacting element
F16L 5514
Patent
active
044757093
ABSTRACT:
An intravenous tubing clamping device is provided for controlling fluid flow through compressible tubing. The device includes an elongated member having a proximal end and a distal end which is adapted to receive the tubing. The body member has a generally V-shaped longitudinally extending bottom wall having an angle of about 60.degree. to 165.degree. defining two supporting surfaces for the tubing. In one embodiment, the buttoms of the side walls of the body member define ledges on opposite sides of the V-shaped bottom wall. In another embodiment, the body member defines two grooves on opposite sides of the V-shaped bottom wall. A roller is mounted on the body member for movement longitudinally of the body member. The roller has a generally V-shaped circumference having an apex angle centrally located on the roller having a value of about 60.degree. to 180.degree.. The roller also has circumferentially extending grooves extending around both opposite sides of the outer periphery of the roller. With the clamping device, the lumen or orifice formed in the tubing is generally V-shaped, and the sides of the tubing are clamped to provide a relatively uniform flow rate and to minimize the effects of abusive tugs on the clamped tubing.
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Manufacturer's Literature copyrighted Aug. 1977 by McGaw Laboratories for "Accu Clamp Flow Rate Regulator".
Fonkalsrud et al. "A New Even-Flow Intravenous Infusion Clamp", Arch. Surg., vol. 102, May 1971, pp. 530-531.
Novack Sheri
Schwadron Martin P.
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