Multitube valve

• US 4,121,622 A
• Filed: 07/19/1977
• Issued: 10/24/1978
• Est. Priority Date: 03/05/1975
• Status: Expired due to Term

• Current Assignee: Sven Husted-Andersen Transcodan
• Original Assignee: Sven Husted-Andersen Transcodan
• Inventors: Forberg, Hans-Jurgen
• Primary Examiner(s): Michalsky, Gerald A.
• Application Number:
  US05/816,925
• Time in Patent Office: 462 Days
• Field of Search: 128/214 R, 137/595, 137/863, 251/4, 251/6
• US Class Current: 137/863
• CPC Class Codes: A61M 39/286 Wedge clamps, e.g. roller clamps with inclined guides
• CPC Class Codes: Y10T 137/87716 For valve having a flexible diaphragm valving member

Abstract

A multitube valve comprises a housing which has open front and rear ends with a plurality of channels defined between the front and rear ends each of a size to receive an individual tube therein and each including a support surface for the tube. A clamp in the form of a rotatable clamp roller has a journal extending outwardly from each side and it is engaged within respective clamp roller grooves which are defined in the housing on each side of the tube channels. The roller is movable by rotation along the grooves toward either the front or rear ends of the housing and it is of a size such that it cooperates with the support surface to compress the tubes therebetween and to at least partially close off the tubes when it is aligned over the support surface. The support surfaces are offset from each other in the longitudinal direction of the channels so that they operate at a separate time in respect to the positioning of the clamp for closing off the tube flow.

Claims

1. A multiway valve for medical, chemical and similar devices such as an infusion and transfusion apparatus, comprising a housing having first and second clamping surfaces disposed side by side, first and second flexible tubes placed side by side and extending through said housing over respective ones of said clamping surfaces, a clamp mounted over said surfaces in said housing and having a portion overlying both surfaces which is movable in a path on said housing overlying at least a portion of the length of both said first and second clamping surfaces and during the movement along said path being also displaceable in the direction of respective ones of the clamping surfaces both in sucession and simultaneously, a distributor phase interconnecting said tubes to each other outside of said housing, said clamping surfaces being of a construction so that in a respective first position of said clamping means at least one of said tubes is clamped off and in a second position both of said tubes are open and in a third position both of said tubes are shut off.

2. A multiway valve for medical, chemical and similar devices such as an infusion and transfusion apparatus, comprising a housing having first and second clamping surfaces disposed side by side, first and second flexible tubes placed side by side and extending through said housing over respective ones of said clamping surfaces, a clamp mounted over said surfaces in said housing and having a single position overlying both surfaces which is moveable in a path on said housing overlying at least a portion of the length of both said first and second clamping surfaces and during movement along said path being also displaceable in the direction of respective ones of the clamping surfaces both in succession and simultaneously, a distributor phase interconnecting said tubes to each other outside of said housing, said clamping surfaces being of a construction so that in a respective first position of said clamping means said first tube is opened and said second tube is closed, and in a second position, the first tube is closed and the second tube is opened, and in a third position in which both said first and second tubes are open and in a fourth position in which both said first and second tubes are shut off.