US4338933A — Combination quick disconnect coupling and liquid …

Claim 1

Independent Claim 204 words

A combination quick disconnect coupling and liquid cutoff valve comprising: a first tubular member connected to at least one length of flexible tubing and having a fluid passageway therethrough; a second tubular member connected to a plurality of lengths of flexible tubing and having a cylindrical sheath telescopically circumscribing a portion thereof and extending therefrom constructed and arranged for telescopic connection with respect to said first tubular member; said sheath being movably disposed with respect to said second tubular member; a third tubular member concentrically positioned within said second tubular member and having a penetrable resilient diaphragm member at a first end and a fluid connection to one of said lengths of said flexible tubing at a second end; and piercing pin means inwardly disposed within and attached to said movable cylindrical sheath and adapted for penetration of said penetrable diaphragm member, said piercing pin means being constructed and arranged for the passage of a first liquid therethrough when said piercing pin means is spaced from said diaphragm member and the passage of a second liquid therethrough when said piercing pin means has been inserted through said penetrable resilient diaphragm member, thereby effecting selective flow of said first or said second liquid as required.

Claim 2

Dependent Claim 204 words

A combination quick disconnect coupling and liquid cutoff valve comprising: a first tubular member connected to at least one length of flexible tubing and having a fluid passageway therethrough; a second tubular member connected to a plurality of lengths of flexible tubing and having a cylindrical sheath telescopically circumscribing a portion thereof and extending therefrom constructed and arranged for telescopic connection with respect to said first tubular member; said sheath being movably disposed with respect to said second tubular member; a third tubular member concentrically positioned within said second tubular member and having a penetrable resilient diaphragm member at a first end and a fluid connection to one of said lengths of said flexible tubing at a second end; and piercing pin means inwardly disposed within and attached to said movable cylindrical sheath and adapted for penetration of said penetrable diaphragm member, said piercing pin means being constructed and arranged for the passage of a first liquid therethrough when said piercing pin means is spaced from said diaphragm member and the passage of a second liquid therethrough when said piercing pin means has been inserted through said penetrable resilient diaphragm member, thereby effecting selective flow of said first or said second liquid as required.

Claim 3

Dependent Claim 105 words

The device as disclosed in claim 1 wherein said first tubular member further includes: movable sleeve means disposed within said first tubular member, partially closed at a first end, for the selective opening or closing of said fluid passageway; a plurality of lug members extending between said movable sleeve means and said cylindrical sheath, constructed and arranged for engagement with a plurality of corresponding slots integrally formed in said sleeve means or, alternatively, said cylindrical sheath, said lug members being effective to advance said movable sleeve member to an open position upon coupling of said first and second tubular members, thereby opening said fluid passageway.

Claim 4

Dependent Claim 39 words

The coupling device as disclosed in claim 2 wherein said movable sleeve means comprises a rotatable sleeve member constructed and arranged for the passage of liquid therethrough upon the rotation of said rotatable sleeve member to an open position.

Claim 5

Dependent Claim 119 words

The device as disclosed in claim 2 wherein said second tubular member further includes; disc valve means rotatably contained therein, said disc valve means being constructed and arranged for abutment against said sealing and engagement with said first end of said movable sleeve means, said disc valve means being effective to selectively open a fluid passage through said piercing pin means upn movement of said movable sleeve means to an open position, and to seal said piercing pin means when said disc valve is in a closed position, said abutment of said disc valve and said first end of said movable sleeve being further effective to substantially reduce the area of microbial contamination to which said liquids are exposed.

Claim 6

Dependent Claim 31 words

The device as disclosed in claim 1 and further including sealable channel means into said coupling members for the selective passage of a liquid antimicrobial agent throughout the fluid passage therein.

Claim 7

Dependent Claim 65 words

The device as disclosed in claim 1 and further comprising a cowling member concentrically disposed about and attached to said movable cylindrical sheath member, said cowling member being constructed and arranged for the telescopic reception of and attachment to said first tubular member, said cowling member further being adapted to prevent the inadvertent digital contamination of said cylindrical sheath member or said piercing pin means.

Claim 8

Dependent Claim 200 words

A combination quick disconnect coupling and liquid cutoff valve comprising: a first tubular member connected to a plurality of lengths of flexible tubing and having a plurality of fluid passageways therethrough; a second tubular member connected to a plurality of lengths of flexible tubing and having a cylindrical sheath extending therefrom constructed and arranged for telescopic insertion into first tubular member; said sheath being movably disposed on said second tubular member; coupling means for the selective engagement and retention of said first tubular member to said second tubular member; a third tubular member concentrically positioned within said second tubular member and having a penetrable resilient diaphragm member at a first end and a fluid connection to one of said lengths of said flexible tubing at a second end; and piercing pin means inwardly disposed within and attached to said first tubular member and adapted for penetration of said penetrable diaphragm member, said piercing pin means being constructed and arranged for the passage of a first liquid therethrough when said piercing pin means is exterior to said diaphragm member and the passage of a second liquid therethrough when said piercing pin means has been inserted through said penetrable resilient diaphragm member.

Claim 9

Dependent Claim 200 words

A combination quick disconnect coupling and liquid cutoff valve comprising: a first tubular member connected to a plurality of lengths of flexible tubing and having a plurality of fluid passageways therethrough; a second tubular member connected to a plurality of lengths of flexible tubing and having a cylindrical sheath extending therefrom constructed and arranged for telescopic insertion into first tubular member; said sheath being movably disposed on said second tubular member; coupling means for the selective engagement and retention of said first tubular member to said second tubular member; a third tubular member concentrically positioned within said second tubular member and having a penetrable resilient diaphragm member at a first end and a fluid connection to one of said lengths of said flexible tubing at a second end; and piercing pin means inwardly disposed within and attached to said first tubular member and adapted for penetration of said penetrable diaphragm member, said piercing pin means being constructed and arranged for the passage of a first liquid therethrough when said piercing pin means is exterior to said diaphragm member and the passage of a second liquid therethrough when said piercing pin means has been inserted through said penetrable resilient diaphragm member.

Claim 10

Dependent Claim 23 words

The device as disclosed in claim 7 in which said piercing pin means is disposed within and attached to said movable sleeve means.

Claim 11

Dependent Claim 183 words

A combination quick disconnect coupling and liquid cutoff valve comprising: a first tubular member connected to a plurality of lengths of flexible tubing and having a plurality of fluid passageways therethrough; a second tubular member connected to a plurality of lengths of flexible tubing constructed and arranged for telescopic insertion into first tubular member; coupling means for the selective engagement and retention of said first tubular member to said second tubular member; a third tubular member concentrically positioned within said second tubular member and having a penetrable resilient diaphragm member at a first end and a fluid connection to one of said lengths of said flexible tubing at a second end; and piercing pins means inwardly disposed within and attached to said first tubular member and adapted for penetration of said penetrable diaphragm member, said piercing pin means being constructed and arranged for the passage of a first liquid therethrough when said piercing pin means is exterior to said diaphragm member and the passage of a second liquid therethrough when said piercing pin means has been inserted through said pentrable resilient diaphragm member.

Claim 12

Dependent Claim 183 words

A combination quick disconnect coupling and liquid cutoff valve comprising: a first tubular member connected to a plurality of lengths of flexible tubing and having a plurality of fluid passageways therethrough; a second tubular member connected to a plurality of lengths of flexible tubing constructed and arranged for telescopic insertion into first tubular member; coupling means for the selective engagement and retention of said first tubular member to said second tubular member; a third tubular member concentrically positioned within said second tubular member and having a penetrable resilient diaphragm member at a first end and a fluid connection to one of said lengths of said flexible tubing at a second end; and piercing pins means inwardly disposed within and attached to said first tubular member and adapted for penetration of said penetrable diaphragm member, said piercing pin means being constructed and arranged for the passage of a first liquid therethrough when said piercing pin means is exterior to said diaphragm member and the passage of a second liquid therethrough when said piercing pin means has been inserted through said pentrable resilient diaphragm member.

Claim 13

Dependent Claim 39 words

The coupling device as disclosed in claim 2 wherein said movable sleeve means comprises a slidable sleeve member constructed and arranged for the passage of liquid therethrough upon the advancement of said slidable sleeve member to an open position.

Claim 14

Dependent Claim 28 words

The connecting device as disclosed in claim 1 further comprising coupling means for the selective engagement and retention of said first tubular member to said second tubular member.

Claim 15

Dependent Claim 59 words

The connecting device as disclosed in claim 11 wherein said coupling means comprises a bayonet locking mechanism comprising a plurality of lug members extending outwardly from said first tubular member and adapted for locking engagement with a plurality of slots disposed within said second tubular member, thereby fixedly positioning said first and second tubular members together in compressive engagement.

Claim 16

Dependent Claim 42 words

The connecting device according to claim 2 whereas said partially closed end of said movable sleeve means includes an aperture therethrough, adapted for the passage of liquid upon alignment with a corresponding aperture in the first end of said first tubular member.

Claim 17

Dependent Claim 23 words

The coupling device as disclosed in claim 2 further comprising resilient sealing means disposed between said movable sleeve means and said tubular member.

Claim 18

Dependent Claim 53 words

The coupling device as disclosed in claim 14 wherein said resilient sealing means comprises a first resilient sealing member disposed between said first end of said movable sleeve means and the first end of said first tubular member, said resilient sealing member having an aperture adapted for the selective passage of liquid therethrough.

Claim 19

Dependent Claim 27 words

The coupling device as disclosed in claim 14 or 15 wherein said resilient sealing means comprises a plurality of foam pad members impregnated with an antimicrobial agent.

Claim 20

Dependent Claim 15 words

The coupling device as disclosed in claim 13 wherein said antimicrobial agent comprises betadine solution.

Claim 21

Dependent Claim 35 words

The coupling device as disclosed in claim 1 or 14 wherein said coupling device is sterilizable and sterility maintaining when said first tubular member and said second tubular members are joined in a sterile condition.

Claim 22

Dependent Claim 24 words

The coupling device as disclosed in claim 18 further comprising resilient sealing means disposed between said first tubular member and said second tubular member.

Claim 23

Dependent Claim 31 words

The coupling device as disclosed in claim 14 wherein said resilient sealing members comprise elastomeric washers or gaskets shaped to conform to the configuration of the tubular member to be sealed.

Claim 24

Dependent Claim 57 words

The coupling device as disclosed in claim 1 further including a protective cap member adapted for engagement with and hermetic sealing of said first tubular member when disconnected from said second tubular member, said protective cap member comprising coupling means proximate its distal end and adapted for engagement with said coupling means of said first tubular member.

Claim 25

Dependent Claim 41 words

The coupling device as disclosed in claim 21 wherein said protective cap member further comprises a resilient antiseptic plug member coaxially disposed therein and adapted for telescopic reception by and the sealing of the second end of said first tubular member.

Claim 26

Dependent Claim 47 words

The coupling device as disclosed in claim 1 wherein said first tubular member includes barbed fitment means extending from the first end of said first tubular member, constructed and arranged for telescopic insertion into and engagement with said length of flexible tubing and for fixed attachment thereto.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1985-07-12	1986-01-11	1986-07-13	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1989-07-12	1990-01-11	1990-07-13	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1993-07-12	1994-01-11	1994-07-13	$7700.00	Window Closed / Lapsed

Combination quick disconnect coupling and liquid cutoff valve

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