Composite implantable biocompatible vascular access port device

Claim 2

A surgically implantable device for delivering a fluid medication to a body, said device comprising: housing means of a biocompatible non-metallic first material defining an interior chamber with communicating inlet and outlet openings, said housing means including first and second components; a unitary cup-shaped element of a non-reactive second material compatible with said fluid medication and received in and lining the interior surface of said chamber, said cup-shaped element having an upper rim; self-sealing septum means closing said inlet opening and through which said fluid medication may be injected into said chamber, said upper rim of said cup-shaped element being in tight sealing engagement with the underside of said septum means, and said cup-shaped element and said septum means being sandwiched between said first and second components of said housing means; said cup-shaped element cooperating in sealing engagement with said septum means to isolate the thus injected fluid medication from contact with said first material of said housing; and conduit means communicating with said cup-shaped element and extending through said outlet opening to discharge fluid medication from said chamber to the exterior of said housing.

Claim 3

The device as claimed in claim 1, wherein said first material is plastic.

Claim 4

The device as claimed in claim 1, wherein said first material is polyethersulfone.

Claim 5

The device as claimed in claim 1, wherein said first material is elastomeric.

Claim 6

The device as claimed in claim 1, wherein said second material is metallic.

Claim 7

The device as claimed in claim 1, wherein said second material is stainless steel.

Claim 8

The device as claimed in claim 1, wherein said second material is titanium.

Claim 9

The device as claimed in claim 1, wherein said second material is ceramic.

Claim 10

The device as claimed in claim 1, wherein said housing is molded around said cup-shaped element during fabrication.

Claim 11

The device as claimed in claim 1, wherein said cup-shaped element and said septum means are held against one another in compression by said first and second components of said housing means.

Claim 12

A surgically implantable device for delivering a fluid medication to or withdrawing a body fluid from a body, said device comprising: a biocompatible non-metallic housing defining an interior chamber and inlet and outlet openings communicating with said chamber, said housing including first and second components; a non-reactive unitary cup-shaped element compatible with said fluids and received in and lining the interior surface of said chamber, said cup-shaped element having an upper rim; a self-sealing penetrable septum closing said inlet opening and providing a means through which said fluids may be injected into or removed from said chamber, said upper rim of said cup-shaped element being in tight sealing engagement with the underside of said septum, and said cup-shaped element and said septum being sandwiched between said first and second components of said housing; said cup-shaped element cooperating in sealing engagement with said septum means to isolate said fluids from said housing; and a non-reactive conduit communicating with the cup-shaped element, and extending through said outlet opening for conveying said fluids into and out of said housing.

Claim 13

A surgically implantable device for delivering a fluid medication to or withdrawing a body fluid from a body, said device comprising: a biocompatible non-metallic housing defining an interior chamber and inlet and outlet openings communicating with said chamber, said housing including first and second components; a non-reactive unitary cup-shaped element compatible with said fluids and received in and lining the interior surface of said chamber, said cup-shaped element having an upper rim; a self-sealing penetrable septum closing said inlet opening and providing a means through which said fluids may be injected into or removed from said chamber, said upper rim of said cup-shaped element being in tight sealing engagement with the underside of said septum, and said cup-shaped element and said septum being sandwiched between said first and second components of said housing; said cup-shaped element cooperating in sealing engagement with said septum means to isolate said fluids from said housing; and a non-reactive conduit communicating with the cup-shaped element, and extending through said outlet opening for conveying said fluids into and out of said housing.

Claim 14

The device as claimed in claim 11, wherein said non-metallic housing is made of plastic.

Claim 15

The device as claimed in claim 11, wherein said non-metallic housing is made of polyethersulfone.

Claim 16

The device as claimed in claim 11, wherein said non-metallic housing is made of an elastomeric material.

Claim 17

The device as claimed in claim 11, wherein said cup-shaped element is metallic.

Claim 18

The device as claimed in claim 15, wherein said metallic cupshaped element is made of stainless steel.

Claim 19

The device as claimed in claim 15, wherein said metallic cupshaped element is made of titanium.

Claim 20

The device as claimed in claim 11, wherein said cup-shaped element is ceramic.

Claim 21

The device as claimed in claim 11, wherein said conduit is metallic.

Claim 22

The device as claimed in claim 11, wherein said conduit is ceramic.

Claim 23

The device as claimed in claim 11, wherein said non-metallic housing is molded around said cup-shaped element during fabrication.

Claim 24

A surgically implantable device for delivering a fluid medication to a body, said device comprising: housing means of a biocompatible non-metallic first material defining an interior chamber with communicating inlet and outlet openings, said housing means including first and second components; a unitary cup-shaped element of a non-reactive second material compatible with said fluid medication and received in and lining the interior surface of said chamber, said cup-shaped element having an upper rim; self-sealing septum means closing said inlet opening and through which said fluid medication may be injected into said chamber, said upper rim of said cup-shaped element being in tight sealing engagement with the underside of said septum means, and said cup-shaped element and said septum means being pressed against one another in compression by said first and second components of said housing means; said cup-shaped element cooperating in sealing engagement with said septum means to isolate the thus injected fluid medication from contact with said first material of said housing; and conduit means communicating with said cup-shaped element and extending through said outlet opening to discharge fluid medication from said chamber to the exterior of said housing.

Claim 25

A surgically implantable device for delivering a fluid medication to a body, said device comprising: housing means of a biocompatible non-metallic first material defining an interior chamber with communicating inlet and outlet openings, said housing means including first and second components; a unitary cup-shaped element of a non-reactive second material compatible with said fluid medication and received in and lining the interior surface of said chamber, said cup-shaped element having an upper rim; self-sealing septum means closing said inlet opening and through which said fluid medication may be injected into said chamber, said upper rim of said cup-shaped element being in tight sealing engagement with the underside of said septum means, and said cup-shaped element and said septum means being pressed against one another in compression by said first and second components of said housing means; said cup-shaped element cooperating in sealing engagement with said septum means to isolate the thus injected fluid medication from contact with said first material of said housing; and conduit means communicating with said cup-shaped element and extending through said outlet opening to discharge fluid medication from said chamber to the exterior of said housing.