US5387192A — Hybrid portal and method

Claim 1

Independent Claim 105 words

A hybrid port, comprising: a metallic reservoir having an open top, a closed bottom, and a septum sealingly received in said open top, said reservoir further including a chamber accessible through said septum; a non-metallic cowl including a septum opening, said cowl further including a flange positioned adjacent said top of said reservoir, said septum being accessible through said septum opening; and a non-metallic base including a reservoir opening, said reservoir operably received through said reservoir opening of said base; said base and said cowl being positioned and arranged as to define a forming zone; said base and said cowl connected at said forming zone.

Claim 2

Dependent Claim 105 words

A hybrid port, comprising: a metallic reservoir having an open top, a closed bottom, and a septum sealingly received in said open top, said reservoir further including a chamber accessible through said septum; a non-metallic cowl including a septum opening, said cowl further including a flange positioned adjacent said top of said reservoir, said septum being accessible through said septum opening; and a non-metallic base including a reservoir opening, said reservoir operably received through said reservoir opening of said base; said base and said cowl being positioned and arranged as to define a forming zone; said base and said cowl connected at said forming zone.

Claim 3

Dependent Claim 23 words

A hybrid port as in claim 1 wherein said cowl and said base are connected by an ultrasonic weld at said forming zone.

Claim 4

Dependent Claim 23 words

A hybrid port as in claim 2 wherein said cowl and said base are connected by an interference fit at said forming zone.

Claim 5

Dependent Claim 23 words

A hybrid port as in claim 1 wherein said cowl and said base are connected by an interference fit at said forming zone.

Claim 6

Dependent Claim 22 words

A hybrid port as in claim 1 further comprising an outlet tube assembly in fluid communication with said chamber of said reservoir.

Claim 7

Dependent Claim 15 words

A hybrid port as in claim 5 wherein said reservoir is constructed out of titanium.

Claim 8

Dependent Claim 17 words

A hybrid port as in claim 1 wherein said cowl and said base are constructed from plastic.

Claim 9

Dependent Claim 18 words

A hybrid port as in claim 7 wherein said cowl and said base are constructed out of polysulfone.

Claim 10

Dependent Claim 28 words

A hybrid port as in claim 1 wherein said base includes a plurality of suture holes so that said hybrid port can be sutured to a subcutaneous layer.

Claim 11

Dependent Claim 17 words

A hybrid port as in claim 8 wherein said chamber of said reservoir includes a rounded bottom.

Claim 12

Dependent Claim 112 words

A hybrid port as in claim 1 wherein said reservoir further comprises: a generally cylindrical metal cup including an open end and a closed end, said cup further including a septum seat between said open end and said closed end; said septum disposed in said open end of said cup proximate said septum seat; a cap having a first opening and a second opening, said cap further including continuous side wall between said first and second openings, and a flange proximate said second opening, said cap fitted to said cup so that said septum is radially compressed by said continuous side wall and axially compressed between said flange and said septum seat.

Claim 13

Dependent Claim 45 words

A hybrid port as in claim 11 wherein said base further includes a pair of flats positioned adjacent said cup of said reservoir, and said cup includes a pair of flats operable in contacting said flats of said base to keep said reservoir from rotating.

Claim 14

Dependent Claim 12 words

A hybrid port as in claim 1 further comprising a catheter connector.

Claim 15

Dependent Claim 30 words

A hybrid port as in claim 1 including two of said metallic reservoirs; two of said cowls; and two of said bases interconnected to define a dual chamber hybrid port.

Claim 16

Dependent Claim 125 words

A hybrid port, comprising: a metallic reservoir including a chamber; said reservoir sealed by and accessible through a septum; a non-metallic outer cowl including a septum opening, a reservoir opening and a lumen positioned therebetween, said cowl further including a flange positioned adjacent to said septum opening and an inner ridge positioned within said lumen, said septum of said reservoir being accessible through said septum opening; and a non-metallic inner base including a reservoir opening, said base further including an outer wall; said base being retained within said lumen of said outer cowl to define a forming zone proximate said ridge of said lumen of said cowl, and said cowl and base are attached at said forming zone to form a jacket about said reservoir.

Claim 17

Dependent Claim 125 words

A hybrid port, comprising: a metallic reservoir including a chamber; said reservoir sealed by and accessible through a septum; a non-metallic outer cowl including a septum opening, a reservoir opening and a lumen positioned therebetween, said cowl further including a flange positioned adjacent to said septum opening and an inner ridge positioned within said lumen, said septum of said reservoir being accessible through said septum opening; and a non-metallic inner base including a reservoir opening, said base further including an outer wall; said base being retained within said lumen of said outer cowl to define a forming zone proximate said ridge of said lumen of said cowl, and said cowl and base are attached at said forming zone to form a jacket about said reservoir.

Claim 18

Dependent Claim 25 words

A hybrid port as in claim 15 wherein said outer cowl and said inner base are attached with an ultrasonically weld at said forming zone.

Claim 19

Dependent Claim 69 words

A hybrid port as in claim 15 further comprising an outlet tube assembly fluidly connected to said reservoir, said outlet tube assembly operative in mating with a catheter, said base of said hybrid port including a slot extension protruding therefrom and having an upwardly projecting slot operable in mating with a downward slot associated with said cowl to form an aperture so that said aperture captures said tube assembly.

Claim 20

Dependent Claim 35 words

A hybrid port as in claim 15 wherein said reservoir includes a first flat and said base includes a second flat so that said first flat seats with said second flat to align said reservoir.

Claim 21

Dependent Claim 17 words

A hybrid port as in claim 15 wherein said reservoir defines a chamber having a radial bottom.

Claim 22

Dependent Claim 29 words

A hybrid port as in claim 15 wherein said outer cowl further includes: a ridge positioned adjacent said septum opening, and; an annular foot positioned adjacent said reservoir opening.

Claim 23

Dependent Claim 17 words

A hybrid port as in claim 20 wherein said annular foot includes a plurality of suture holes.

Claim 24

Dependent Claim 14 words

A hybrid port as in claim 21 wherein said suture holes include beveled edges.

Claim 25

Dependent Claim 26 words

A hybrid port as in claim 22 wherein said cowl includes a plurality of depressions located between said ridge and said foot above said suture holes.

Claim 26

Dependent Claim 106 words

A dual chamber hybrid port, comprising: a metallic reservoir including two chambers, each accessible through a discrete septum; a non-metallic cowl including a pair of discrete septum openings, said cowl further including a pair of flanges, each of said flanges positioned adjacent to one of said septums so that each of said septums is accessible through one of said septum openings; and a non-metallic base including a reservoir opening, said reservoir operably received through said reservoir opening of said base, and said cowl being positioned and arranged with said base as to define a forming zone; said base connected to said cowl at said forming zone.

Claim 27

Dependent Claim 106 words

A dual chamber hybrid port, comprising: a metallic reservoir including two chambers, each accessible through a discrete septum; a non-metallic cowl including a pair of discrete septum openings, said cowl further including a pair of flanges, each of said flanges positioned adjacent to one of said septums so that each of said septums is accessible through one of said septum openings; and a non-metallic base including a reservoir opening, said reservoir operably received through said reservoir opening of said base, and said cowl being positioned and arranged with said base as to define a forming zone; said base connected to said cowl at said forming zone.

Claim 28

Dependent Claim 49 words

A dual hybrid port as in claim 24 wherein said non-metallic cowl includes a lumen having a ridge disposed therein; and said base fits within said lumen between said reservoir and said cowl so that said forming zone is positioned proximate said ridge of said lumen of said cowl.

Claim 29

Dependent Claim 21 words

A dual hybrid port as in claim 25 wherein said cowl further includes an annular foot distal from said septum opening.

Claim 30

Dependent Claim 18 words

A dual hybrid port as in claim 26 wherein said annular foot includes a plurality of suture holes.

Claim 31

Dependent Claim 15 words

A dual hybrid port as in claim 27 wherein said suture holes include beveled edges.

Claim 32

Dependent Claim 20 words

A dual hybrid port as in claim 24 wherein said pair of flanges of said cowl each includes a ridge.

Claim 33

Dependent Claim 18 words

A dual hybrid port as in claim 29 wherein said ridges of said flanges are of different configurations.

Claim 34

Dependent Claim 13 words

A dual hybrid port as in claim 24, further comprising a catheter connector.

Claim 35

Dependent Claim 177 words

A dual hybrid port, comprising: a first metallic reservoir including a first chamber accessible through a first sealed septum; a second metallic reservoir including a second chamber accessible through a second sealed septum; a non-metallic cowl including a pair of septum openings and a pair of reservoir openings, said cowl further including a flange positioned adjacent said septum opening, each of said septums accessible through one of said septum openings; a first non-metallic inner base including a reservoir opening, said first reservoir received within said reservoir opening of said first inner base, said base retained within said cowl between said first reservoir and said cowl to define a first forming zone, said first inner base connected to said cowl at said first forming zone; a second non-metallic inner base including a reservoir opening, said second reservoir received within said reservoir opening of said second inner base, said base retained within said between said second reservoir and said cowl to define a second forming zone, said second inner base and said cowl connected at said second forming zone.

Claim 36

Dependent Claim 177 words

A dual hybrid port, comprising: a first metallic reservoir including a first chamber accessible through a first sealed septum; a second metallic reservoir including a second chamber accessible through a second sealed septum; a non-metallic cowl including a pair of septum openings and a pair of reservoir openings, said cowl further including a flange positioned adjacent said septum opening, each of said septums accessible through one of said septum openings; a first non-metallic inner base including a reservoir opening, said first reservoir received within said reservoir opening of said first inner base, said base retained within said cowl between said first reservoir and said cowl to define a first forming zone, said first inner base connected to said cowl at said first forming zone; a second non-metallic inner base including a reservoir opening, said second reservoir received within said reservoir opening of said second inner base, said base retained within said between said second reservoir and said cowl to define a second forming zone, said second inner base and said cowl connected at said second forming zone.

Claim 37

Independent Claim 145 words

A method of using a hybrid port comprising the steps of: providing a hybrid port, said hybrid port including a metallic reservoir having an open top, a closed bottom, and a septum sealingly received in said open top, said reservoir further including a chamber accessible through said septum; a non-metallic cowl including a septum opening, said cowl further including a flange positioned adjacent said top of said reservoir, said septum being accessible through said septum opening; and a non-metallic base including a reservoir opening, said reservoir operably received through said reservoir opening of said base; said base and said cowl being positioned and arranged as to define a forming zone; said base and said cowl connected at said forming zone; implanting said hybrid port within a patient; and attaching said hybrid port to a catheter to deliver fluids to a desired location within said patient.

Claim 38

Independent Claim 145 words

A method of using a hybrid port comprising the steps of: providing a hybrid port, said hybrid port including a metallic reservoir having an open top, a closed bottom, and a septum sealingly received in said open top, said reservoir further including a chamber accessible through said septum; a non-metallic cowl including a septum opening, said cowl further including a flange positioned adjacent said top of said reservoir, said septum being accessible through said septum opening; and a non-metallic base including a reservoir opening, said reservoir operably received through said reservoir opening of said base; said base and said cowl being positioned and arranged as to define a forming zone; said base and said cowl connected at said forming zone; implanting said hybrid port within a patient; and attaching said hybrid port to a catheter to deliver fluids to a desired location within said patient.

Claim 39

Dependent Claim 31 words

A method of use as in claim 33 wherein the step of providing a hybrid port further includes the step of attaching said cowl to said base at said forming zone.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1998-02-06	1998-08-08	1999-02-07	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2002-02-06	2002-08-08	2003-02-07	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2006-02-06	2006-08-08	2007-02-07	$7700.00	Window Closed / Lapsed

Hybrid portal and method

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