×

PARENTERAL SOLUTION BAG

  • US 3,788,374 A
  • Filed: 01/26/1972
  • Issued: 01/29/1974
  • Est. Priority Date: 01/26/1972
  • Status: Expired due to Term
First Claim
Patent Images

1. In a parenteral solution bag comprising at least one port tube protruding from part of the perimeter of the bag and hermetically enclosed by a bag-like protective closure, a diaphragm provided in the port tube sealing off the port tube from flow-off liquid within the bag through the port tube, and a tab peripherally heat sealed to a portion of said protective closure having an unsealed free end, the improvement which comprises in combination:

  • a. the free end of the tab extending toward said bag, b. a V-shaped groove extending through said protective closure and into said tab, said tab and said closure being connected by a heat seal which extends along the periphery of said groove, and a pair of ribs on said closure, said ribs extending adjacent said groove, c. the apex of said V-shaped groove facing toward the junction of said port tube with said bag, d. said V-shaped groove being positioned over said port tube and extending transversely to the port tube, and e. the heat sealed portion of said tab being more rigid than the portion of said protective closure not sealed to said tab so that when the tab is peeled and turned backward towards the opposite side of said port tube, said heat sealed portion of said tab does not bend but instead said portion of said protective closure not sealed to said tube bends.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×