Manually flexible blood filter

Claim 2

A manually flexible blood filter combination comprising: a length of elastomeric tubing having a flexible, blood impervious thin wall, a first and a second tubing terminus, and a tubing cylinder axis; a length of a blood permeable, flexible filter bag having a diameter cooperatively sized and cooperatively disposed to fit inside said length of elastomeric tubing, a first open terminus of said filter bag cooperatively concentrically coterminating with said first terminus of said length of tubing, and a second terminus of said bag having a closure seal, said second bag terminus disposed inside and adjacent said second terminus of said length of tubing; a compressible filter mat coaxially disposed inside said flexible filter bag, said mat extending substantially said length of bag, said mat uniformly disposed adjacent the interior wall of said bag; a flexible, elastomeric, blood outlet collection manifold tube coaxially disposed along the bag cylinder axis inside a uniform wall thickness of said filter mat, said manifold tube having a first terminus disposed inside said filter mat, an open manifold tube second terminus extending to a blood outlet conduit, and multiple apertures disposed in the manifold tube wall; a first removable closure means concentrically securing said second terminus of said manifold tube, said first terminus of said elastomeric tubing, and said first terminus of said bag concentrically disposed inside said tubing, said first closure means having a flexible elastomeric diaphragm providing a surface puncturable by a syringe needle, said first closure means having a blood outlet conduit conductively secured to said blood manifold tube; and, a second removable closure means concentrically securing said second terminus of said tubing, said second closure means having a flexible elastomeric closure diaphragm providing closure means flexure, said second closure means having a blood inlet conduit condutively secured thereto, said closure diaphragm providing a surface puncturable by a syringe needle.

Claim 3

The combination of claim 1 wherein said filter mat comprises fibrous composition packing compatible with blood.

Claim 4

The combination of claim 1 wherein said filter mat comprises an open cell foam composition compatible with blood and having pore apertures of the required size distribution.

Claim 5

The combination of claim 1 wherein said filter bag comprises a plastic film bag having multiple blood permeable apertures disposed in said film wall.

Claim 6

The combination of claim 1 wherein said filter bag comprises a textile fiber bag having the required blood permeability.

Claim 7

A manually flexible blood filter combination comprising: a length of elastomeric tubing hAving a flexible blood impervious, thin wall, a first and second tubing terminus, and a tubing cylinder axis; a length of a blood permeable flexible filter bag having a diameter cooperatively sized and coaxially disposed to fit inside said length of elastomeric tubing, a first open terminus of filter bag cooperatively concentrically co-terminating at said first terminus of said length of tubing, and a second bag terminus having a closure seal, said second bag terminus disposed inside and adjacent said second terminus of said length of tubing; a compressible filter mat coaxially disposed inside said flexible filter bag, said mat extending substantially said length of bag, said mat uniformly disposed adjacent the interior wall of said bag; a flexible elastomeric blood outlet collection manifold tube coaxially disposed along the bag cylinder axis inside a uniform wall thickness of said filter mat, said manifold tube having a first terminus disposed inside said filter mat, an open manifold tube second terminus extending to a blood outlet conduit, and multiple apertures disposed in the manifold tube wall; a flexible elastomeric membrane first closure diaphragm coaxially integrally sealed to said manifold tube, said first closure diaphragm having a blood outlet conduit coaxially integrally conductively sealed to said manifold tube, said first diaphragm having a compression retainer seal ring integrally concentrically disposed on the first diaphragm perimeter; a first pair of concentric mating compression collars, having a first outer and a first inner mating collar, said first open terminus of said bag and said first terminus of said tubing concentrically disposed on the exterior of said first inner collar, said first diaphragm retainer ring concentrically secured over said first bag terminus and said first tubing terminus, said first outer mating compression collar disposed on the first diaphragm retainer ring; a flexible elastomeric membrane second closure diaphragm having a blood inlet conduit coaxially integrally conductively secured to said diaphragm, said second closure diaphragm having a compressive retainer seal ring integrally concentrically disposed on the second diaphragm perimeter; and, a second pair of concentric mating compression collars having a second outer and a second inner mating collar, said second terminus of said tubing concentrically disposed on the exterior of said second inner collar, said second diaphragm retainer ring concentrically secured over said second tubing terminus, said outer mating compression collar disposed on the second diaphragm retaining ring; whereby blood can be conductively flowed into said blood inlet conduit, filtered through said filter mat, collected in said outlet collection tube, and conducted out through said outlet conduit, and gases can be squeezed into a volume space adjacent to said diaphragms and removed by a syringe needle if desired.

Claim 8

A manually flexible blood filter combination comprising: a length of elastomeric tubing hAving a flexible blood impervious, thin wall, a first and second tubing terminus, and a tubing cylinder axis; a length of a blood permeable flexible filter bag having a diameter cooperatively sized and coaxially disposed to fit inside said length of elastomeric tubing, a first open terminus of filter bag cooperatively concentrically co-terminating at said first terminus of said length of tubing, and a second bag terminus having a closure seal, said second bag terminus disposed inside and adjacent said second terminus of said length of tubing; a compressible filter mat coaxially disposed inside said flexible filter bag, said mat extending substantially said length of bag, said mat uniformly disposed adjacent the interior wall of said bag; a flexible elastomeric blood outlet collection manifold tube coaxially disposed along the bag cylinder axis inside a uniform wall thickness of said filter mat, said manifold tube having a first terminus disposed inside said filter mat, an open manifold tube second terminus extending to a blood outlet conduit, and multiple apertures disposed in the manifold tube wall; a flexible elastomeric membrane first closure diaphragm coaxially integrally sealed to said manifold tube, said first closure diaphragm having a blood outlet conduit coaxially integrally conductively sealed to said manifold tube, said first diaphragm having a compression retainer seal ring integrally concentrically disposed on the first diaphragm perimeter; a first pair of concentric mating compression collars, having a first outer and a first inner mating collar, said first open terminus of said bag and said first terminus of said tubing concentrically disposed on the exterior of said first inner collar, said first diaphragm retainer ring concentrically secured over said first bag terminus and said first tubing terminus, said first outer mating compression collar disposed on the first diaphragm retainer ring; a flexible elastomeric membrane second closure diaphragm having a blood inlet conduit coaxially integrally conductively secured to said diaphragm, said second closure diaphragm having a compressive retainer seal ring integrally concentrically disposed on the second diaphragm perimeter; and, a second pair of concentric mating compression collars having a second outer and a second inner mating collar, said second terminus of said tubing concentrically disposed on the exterior of said second inner collar, said second diaphragm retainer ring concentrically secured over said second tubing terminus, said outer mating compression collar disposed on the second diaphragm retaining ring; whereby blood can be conductively flowed into said blood inlet conduit, filtered through said filter mat, collected in said outlet collection tube, and conducted out through said outlet conduit, and gases can be squeezed into a volume space adjacent to said diaphragms and removed by a syringe needle if desired.

Claim 9

The combination of claim 6 wherein said filter mat comprises fibrous composition packing compatible with blood.

Claim 10

The combination of claim 6 wherein said filter mat comprises an open cell foam composition compatible with blood and having pore apertures of the required size distribution.

Claim 11

The combination of claim 6 wherein said filter bag comprises a plastic film bag having multiple blood permeable apertures disposed in said film wall.

Claim 12

The combination of claim 6 wherein said filter bag comprises a textile fiber bag having the required blood permeability.