Fluid manifold control device

Abstract

A manifold is disclosed which includes a manifold body that defines a main lumen, a primary injection line and a port. A check valve system is also provided which permits flow from the primary injection line to the main lumen while selectively preventing back flow from the main lumen to the primary injection line and, simultaneously, permitting flow from the port to the primary injection line while preventing back flow from the primary injection line to the port.

1 . A manifold comprising: a main lumen having proximal and distal ends, a primary injection line connected to the proximal end of the main lumen, a port connected to the main lumen between the proximal and distal ends thereof, a check valve permitting flow from the primary injection line to the main lumen while selectively preventing back flow from the main lumen to the primary injection line and permitting flow from the port to the primary injection line while preventing back flow from the primary injection line to the port. 
   
   
       2 . The manifold of  claim 1  wherein the valve is a dual check valve. 
   
   
       3 . The manifold of  claim 2  wherein the dual check valve comprises a first check valve disposed in-line between the primary injection line and the main lumen and a second check valve disposed in-line between the primary injection line and the port. 
   
   
       4 . The manifold of  claim 2  wherein the dual check valve comprises a body comprising a first lumen at least partially disposed in the main lumen and a second lumen connected to the first lumen to form a T-connection and extending at least partially into the port, and wherein the dual check valve comprises a first check valve disposed in the body and between the primary injection line and the main lumen and a second check valve disposed in the body and between the primary injection line and the port. 
   
   
       5 . The manifold of  claim 4  wherein the first check valve is disposed in the first lumen. 
   
   
       6 . The manifold of  claim 4  wherein the second check valve is disposed in the first lumen. 
   
   
       7 . The manifold of  claim 4  wherein the second check valve is disposed in the second lumen. 
   
   
       8 . The manifold of  claim 4  wherein the first check valve is disposed in the first lumen and the second check valve is disposed in the first lumen between the primary injection line and the port and between the first check valve and the primary injection line and the port. 
   
   
       9 . The manifold of  claim 3  wherein the first check valve is connected to a movable body that-permits movement of the first check valve out of the main lumen thereby deactivating the first check valve. 
   
   
       10 . The manifold of  claim 9  wherein the movable body is movable between a first activated position where the first check valve is disposed in the main lumen and a second deactivated position where the first check valve is removed from the main lumen. 
   
   
       11 . The manifold of  claim 10  wherein the movable body comprises a finger rest for moving the movable body from the first activated position to the second deactivated position. 
   
   
       12 - 13 . (canceled) 
   
   
       14 . The manifold of  claim 2  wherein the dual check valve comprises a check valve element disposed between the port and both the primary injection line and the main lumen, the dual check valve further comprising a movable body comprising a secondary lumen, the movable body being movable between a first position where flow from the port to the primary injection line causes the check valve element to engage the movable body and permit flow from the port to the primary injection line while isolating the main lumen from fluid flow from both the port and the primary injection line, the movable body further being movable to a second position where the secondary lumen is in-line with the main lumen and the primary injection line thereby permitting fluid flow between the primary injection line and the main lumen while isolating the port. 
   
   
       15 . The manifold of  claim 14  wherein the movable body comprises a finger rest for moving the movable body from the first position to the second position. 
   
   
       16 . The manifold of  claim 14  wherein the movable body comprises a palm pad for moving the movable body from the first position to the second position. 
   
   
       17 . The manifold of  claim 14  wherein the movable body comprises at least one finger grip for moving the movable body from the first position to the second position. 
   
   
       18 . The manifold of  claim 2  wherein the dual check valve comprises a movable body extending transversely between the primary injection line and the main lumen, the movable body comprising a first end connected to the port, the movable body further comprising a secondary lumen and a tertiary lumen, the secondary lumen extending between the port and the primary injection line when the movable body is in a first position, the secondary lumen accommodating a one-way check valve that permits flow from the secondary injection line to the primary injection line when the movable body is in the first position and prevents flow from the main lumen to the primary injection line and the port when the movable body is in the first position, the tertiary lumen extending between the primary injection line and the main lumen when the movable body is in a second position, the port further comprising a second check valve that prevents flow from the main lumen or primary injection line to the port. 
   
   
       19 . The manifold of  claim 18  wherein the movable body comprises a finger rest for moving the movable body from the first position to the second position. 
   
   
       20 . The manifold of  claim 18  wherein the movable body comprises a palm pad for moving the movable body from the first position to the second position. 
   
   
       21 . The manifold of  claim 18  wherein the movable body comprises at least one finger grip for moving the movable body from the first position to the second position. 
   
   
       22 . A fluid manifold comprising: a main lumen having proximal and distal ends, a primary injection line connected to the proximal end of the main lumen, a port connected to the main lumen between the proximal and distal ends thereof, a dual check valve comprising a first check valve disposed in-line between the primary injection line and the main lumen for permitting flow from the primary injection line to the main lumen while preventing back flow from the main lumen to the primary injection line and a second check valve disposed in-line between the primary injection line and the port permitting flow from the port to the primary injection line while selectively preventing back flow from the primary injection line to the port. 
   
   
       23 . The manifold of  claim 22  wherein the first check valve is connected to a movable body that permits movement of the first check valve out of the main lumen thereby deactivating the first check valve. 
   
   
       24 . The manifold of  claim 23  wherein the movable body is movable between a first activated position where the first check valve is disposed in the main lumen and a second deactivated position where the first check valve is removed from the main lumen. 
   
   
       25 . The manifold of  claim 24  wherein the movable body comprises a finger rest for moving the movable body from the first activated position to the second deactivated position. 
   
   
       26 - 27 . (canceled) 
   
   
       28 . A manifold comprising: a main lumen having proximal and distal ends, a primary injection line connected to the proximal end of the main lumen, a port connected to the main lumen between the proximal and distal ends thereof, a body comprising a first lumen at least partially disposed in the main lumen and a second lumen connected to the first lumen to form a T-connection and extending at least partially into the port, and a dual check valve comprising a first check valve disposed in the body and between the primary injection line and the main lumen and a second check valve disposed in the body and between the primary injection line and the port. 
   
   
       29 . The manifold of  claim 28  wherein the first check valve is disposed in the first lumen. 
   
   
       30 . The manifold of  claim 28  wherein the second check valve is disposed in the first lumen. 
   
   
       31 . The manifold of  claim 28  wherein the second check valve is disposed in the second lumen. 
   
   
       32 . The manifold of  claim 28  wherein the first check valve is disposed in the first lumen and the second check valve is disposed in the first lumen between the primary injection line and the port and between the first check valve and the primary injection line and the port. 
   
   
       33 . A manifold comprising: a main lumen having proximal and distal ends, a primary injection line connected to the proximal end of the main lumen, a port connected to the main lumen between the proximal and distal ends thereof, a dual check valve comprising a check valve element disposed between the port and both the primary injection line and the main lumen, the dual check valve further comprising a movable body comprising a secondary lumen, the movable body being movable between a first position where flow from the port to the primary injection line causes the valve element to engage the movable body and permit flow from the port to the primary injection line while isolating the main lumen from fluid flow from the primary injection line and the port, the movable body further being movable to a second position where the movable body engages the valve element and isolates the port from fluid flow from both the primary injection line and the main lumen and further where the secondary lumen is in-line with the main lumen and the primary injection line thereby permitting fluid flow between the primary injection line and the main lumen, the port further comprising a second check valve that prevents flow from the main lumen or primary injection line to the port. 
   
   
       34 . The manifold of  claim 33  wherein the movable body comprises a finger rest for moving the movable body from the first position to the second position. 
   
   
       35 . The manifold of  claim 33  wherein the movable body comprises a palm pad for moving the movable body from the first position to the second position. 
   
   
       36 . The manifold of  claim 33  wherein the movable body comprises at least one finger grip for moving the movable body from the first position to the second position. 
   
   
       37 . A manifold comprising: a main lumen having proximal and distal ends, a primary injection line connected to the proximal end of the main lumen, a port connected to the main lumen between the proximal and distal ends thereof, a movable body extending transversely between the primary injection line and the main lumen, the movable body comprising a first end connected to the port, the movable body further comprising a secondary lumen and a tertiary lumen, the secondary lumen extending between the secondary injection line and the primary injection line when the movable body is in a first position, the secondary lumen accommodating a one-way check valve that permits flow from the port to the primary injection line when the movable body is in the first position and prevents flow from the primary injection line and the main lumen to the port when the movable body is in the first position, the tertiary lumen extending between the primary injection line and the main lumen when the movable body is in a second position. 
   
   
       38 . The manifold of  claim 35  wherein the movable body comprises a finger rest for moving the movable body from the first position to the second position. 
   
   
       39 . The manifold of  claim 35  wherein the movable body comprises a palm pad for moving the movable body from the first position to the second position. 
   
   
       40 . The manifold of  claim 35  wherein the movable body comprises at least one finger grip for moving the movable body from the first position to the second position. 
   
   
       41 - 44 . (canceled) 
   
   
       45 . A method of administering fluids, the method comprising: injecting fluid through a primary injection line to a main lumen while selectively preventing back flow from the main lumen to the primary injection line and injecting fluid through a port to the primary injection line while preventing back flow from the primary injection line and main lumen to the port. 
   
   
       46 . The method of  claim 45  wherein the injecting of fluid through the primary injection line to the main lumen further comprises injecting said fluid through a first check valve disposed between the primary injection line and the main lumen for preventing back flow from the main lumen to the primary injection line, and the injecting of fluid through the port to the primary injection line further comprises injecting said fluid through a second check valve disposed between the port and the primary injection line for preventing back flow from the primary injection line and main lumen to the port. 
   
   
       47 . The method of  claim 46  wherein the injecting of fluid through the port to primary injection line further comprises injecting said fluid through a movable body that is in a first position where flow through a check valve element causes the check valve element to engage the movable body and permit flow from the port to the primary injection line while isolating the main lumen from fluid flow from both the port and primary injection lines, and the injecting of fluid through the primary injection line to the main lumen further comprises injecting said fluid though the movable body while the movable body is in a second position where a secondary lumen passing through the movable body is in-line with the main lumen and the primary injection line thereby permitting fluid flow between the primary injection line and the main lumen while isolating the port. 
   
   
       48 . The method of  claim 45  wherein the injecting of fluid through the port to primary injection line further comprises injecting said fluid through a movable body that is in a first position wherein the movable body comprises secondary lumen extending between the port and the primary injection line when the movable body is in a first position, the secondary lumen accommodating a one-way check valve that permits flow from port to the primary injection line when the movable body is in the first position and prevents flow from the primary injection line and the main lumen to the port when the movable body is in the first position, and the injecting of fluid from the primary injection line to the main lumen further comprises injecting said fluid through the movable body when the movable body is in a second position wherein the movable body further comprises a tertiary lumen extending between the primary injection line and the main lumen when the movable body is in a second position and the movable body isolates the port when the movable body is in the second position.