DISPOSABLE MANIFOLD WITH ATMOSPHERIC VENT

• US 3,834,372 A
• Filed: 01/12/1973
• Issued: 09/10/1974
• Est. Priority Date: 01/12/1973
• Status: Expired due to Term

• Current Assignee: Stephen Z. Turney
• Original Assignee: Stephen Z. Turney
• Inventors: Turney, Stephen Z.
• Primary Examiner(s): Gaudet, Richard A.
• Assistant Examiner(s): McGowan, J. C.
• Application Number:
  US05/323,272
• Time in Patent Office: 606 Days
• Field of Search: 128/2.5D,2.5E,2F,2.5R,214R,221,274 137/625.41,625.42,625.47,625.24,625.16,625.15,625.19 251/181,309,310,184,297 73/388R,398,392.4,389
• US Class Current: 600/561
• CPC Class Codes: A61B 5/0215 by means inserted into the body catheters A61M25/00
• CPC Class Codes: F16K 11/085 with cylindrical plug
• CPC Class Codes: Y10S 251/904 Snap fit plug valves
• CPC Class Codes: Y10T 137/86871 Plug

Abstract

A manifold is formed with a plurality of ports for connection to various components such as arterial-venous pressure generators, a syringe, and a source of fluid and pressure sensitive transducers. The manifold includes one or more rotary members which are selectively positioned for interconnecting selected ones of the components. Various sampling, flushing and pressure measuring operations may be performed by use of the manifold. The manifold further includes a venting port arrangement for venting the pressure sensitive transducers to the atmosphere when a pressure measurement is not being taken. This protects the transducer from overpressurization and consequential damage.

Claims

1. A protection manifold, which comprises, means having internal passageways and associated external ports for connecting various components thereto to permit the transfer therethrough of fluids wherein at least some of said fluids are pressurized, means mounted movable and partially within and relative to said connecting means for controlling the selective connection of at least a pair of said connecting-means passageways to connect the various components connected to the external ports of the pair of passageways, and means formed in said controlling means independently of said connecting means for venting to the atmosphere a selected one of said connecting-means passageways during a period when at least two other passageways are selectively connected by said controlling means to vent the component connected to the selected one of said passageways.

2. A protection manifold as recited in claim 1, which further comprises, means appearing partially and externally on each of said connecting and controlling means for indicating the selective positioning of said controlling means.

3. A protection manifold as recited in claim 1, wherein said connecting means includes, a housing, at least one opening formed in said housing, a plurality of hollow stems extending from said housing and forming ports, and said ports forming a plurality of passageways in said housing with at least one passageway extending from said opening to an exterior face of said housing.

4. A protection manifold as recited in claim 1 wherein said controlling means includes, a movable valve member positioned within an opening of said connecting means, said member formed with passageways in a selected pattern so that when said valve member is selectively positioned selected passageways of said connecting means are connected through the passageways of said member.

5. A protection manifold as recited in claim 4 wherein said venting means includes, a selectively formed passageway in said movable valve member which is aligned with a selected one of said ports for the selective venting of the component connected thereto.

6. A protection manifold as recited in claim 2, wherein said indicating means includes, pointer means formed with said movably mounted controlling means, and labels placed selectively in fixed locations on said connecting means adjacent to positions at which said pointer is positionable.

7. A protection manifold as recited in claim 1, wherein said connecting, controlling and venting means are formed of plastic.

8. A protection manifold as recited in claim 4 wherein said movable member is rotatable relative to said connecting means to effect the selective positioning thereof.

9. A protection manifold as recited in claim 4, wherein said movable member is slidable relative to said connecting means to effect the selective positioning thereof.

10. A protection manifold as recited in claim 1, which further comprises, means formed in said connecting means for securing the manifold to An attaching structure.

11. A protection manifold as recited in claim 3 wherein each of said stems are formed of a different geometry to indicate the function of the component to be connected thereto.

12. A protection manifold as recited in claim 1 wherein said connecting means includes, a housing, a central and two side openings formed in one face thereof, a passageway extending between said central opening and each of said side openings, and a pair of ports communicating with each opening;

said controlling means includes, three movable valve members being assembled within the three openings of said housing, and each of said valve members being formed with passageways which selectively connect the housing passageways and ports; and

said venting means includes a passageway formed in each of at least two of the three valve members to selectively provide a venting passageway for at least two of said ports and components connected thereto.

13. A protection manifold as recited in claim 1 wherein said ports are provided for connecting to a syringe, a pressure sensitive transducer, a fluid source and selected areas of a patient, said controlling means is selectively manipulatable relative to said connecting means to selectively connect the syringe with the fluid source or the patient areas for flushing and sampling operations, and to selectively connect the patient areas to the transducer for pressure measurement, and said venting means is connected protectively to the transducer when the syringe is connected to the fluid source or the patient.

14. A protection manifold as recited in claim 1, which further comprises means physically connected to said controlling means for operating and controlling means to selected positions.