Apparatus and methods for aseptic fluid interconnects
The present invention provides apparatus and methods for making multiple aseptic fluid interconnections in parallel with an integral clamping mechanism and elastomeric fluid sealing gasket to provide an initial fluid tight seal while removing sealing tape tabs and a final fluid tight seal after sealing tape tabs are removed. The clamping mechanism comprises a hinge coupling and a first set of snap-fit locks to maintain the initial fluid tight seal and a second set of snap-fit locks to maintain the final fluid tight seal.
1. An aseptic fluid connector apparatus comprising:
a first tubing carrier comprising:
a first gasket sealing surface with an opening;
a first tubing port opposite the first gasket sealing surface, corresponding to the opening in the first gasket sealing surface;
a first sealing tape tab adhered to the first gasket sealing surface;
a second tubing carrier comprising:
a second gasket sealing surface with an opening;
a second tubing port opposite the second gasket sealing surface, corresponding to the opening in the second gasket sealing surface;
a gasket retention pocket having gasket expansion regions; and
a tape sealing surface;
a fluid sealing gasket contacting the second gasket sealing surface, the fluid sealing gasket having an opening corresponding to the opening in the second gasket sealing surface;
a second sealing tape tab covering the opening of the fluid sealing gasket;
a clamping structure comprising:
a first tubing carrier locking body that constrains the motion of the first tubing carrier;
a second tubing carrier locking body that constrains the motion of the second tubing carrier;
a hinge coupling, having an axis, between the first tubing carrier locking body and the second tubing carrier locking body;
a first retaining structure; and
a second retaining structure,
Wherein the second sealing tape adheres to the tape sealing surface to protect the entire fluid sealing gasket from contamination,
Wherein the hinge coupling between the first and second locking bodies constrains their movement such that the two locking bodies pivot along the hinge coupling axis between an open position, an initial sealing position, and a final sealing position, where in the open position the fluid sealing gasket is not compressed, in the initial sealing position the fluid sealing gasket is in a first state of compression such that there is a low pressure fluid tight seal between the first tubing port and the second tubing port, and in the final sealing position the fluid sealing gasket is further compressed in a second state of compression such that there is a high pressure fluid tight seal between the first tubing port and the second tubing port,
Wherein the first retaining structure constrains the locking bodies from moving from the initial sealing position to the open position, and the second retaining structure constrains the locking bodies in the final sealing position.
2. An aseptic fluid connector apparatus comprising:
a first tubing carrier comprising:
a first gasket sealing surface with an opening;
a first tubing port opposite the first gasket sealing surface, corresponding to the opening in the first gasket sealing surface;
a first sealing tape tab adhered to the first gasket sealing surface;
a second tubing carrier comprising:
a second gasket sealing surface with an opening;
a second tubing port opposite the second gasket sealing surface, corresponding to the opening in the second gasket sealing surface;
a fluid sealing gasket contacting the second gasket sealing surface, the fluid sealing gasket having an opening corresponding to the opening in the second gasket sealing surface;
a second sealing tape tab covering the opening of the fluid sealing gasket;
a clamping structure comprising:
a first tubing carrier locking body that constrains the motion of the first tubing carrier;
a second tubing carrier locking body that constrains the motion of the second tubing carrier;
a hinge coupling, having an axis, between the first tubing carrier locking body and the second tubing carrier locking body;
a first retaining structure; and
a second retaining structure,
Wherein the hinge coupling between the first and second locking bodies constrains their movement such that the two locking bodies pivot along the hinge coupling axis between an open position, an initial sealing position, and a final sealing position, where in the open position the fluid sealing gasket is not compressed, in the initial sealing position the fluid sealing gasket is in a first state of compression such that there is a low pressure fluid tight seal between the first tubing port and the second tubing port, and in the final sealing position the fluid sealing gasket is further compressed in a second state of compression such that there is a high pressure fluid tight seal between the first tubing port and the second tubing port,
Wherein the first retaining structure constrains the locking bodies from moving from the initial sealing position to the open position, and the second retaining structure constrains the locking bodies in the final sealing position,
Wherein the hinge coupling comprises a first half that is integral to the first tubing carrier locking body and a second half that is integral to the second tubing carrier locking body, where the first half of the hinge coupling comprises a set of claws and the second half of the hinge coupling comprises a set of sockets.
3. The apparatus of claim 2 where the first tubing carrier and the first tubing carrier locking body are integral.
4. The apparatus of claim 2 where the second tubing carrier and the second tubing carrier locking body are integral.
5. The apparatus of claim 2 further comprising
a tape retention structure comprising a tape retention structure body that is used to maintain the seal of the second tape tab to the second tubing carrier before the aseptic connector apparatus is used; and
a tape retention hinge coupling between the tape retention structure and the second tubing carrier locking body,
Wherein the tape retention hinge coupling comprises a first half that is integral to the tape retention structure body and a second half that is integral to the second tubing carrier locking body and the first half of the tape retention hinge coupling comprises a set of claws and the second half of the tape retention hinge coupling comprises a set of sockets.
6. An aseptic fluid connector apparatus comprising:
a first tubing carrier comprising:
a first gasket sealing surface with an opening;
a first tubing port opposite the first gasket sealing surface, corresponding to the opening in the first gasket sealing surface;
a first sealing tape tab adhered to the first gasket sealing surface;
a second tubing carrier comprising:
a second gasket sealing surface with an opening;
a second tubing port opposite the second gasket sealing surface, corresponding to the opening in the second gasket sealing surface;
a fluid sealing gasket contacting the second gasket sealing surface, the fluid sealing gasket having an opening corresponding to the opening in the second gasket sealing surface;
a second sealing tape tab covering the opening of the fluid sealing gasket;
a clamping structure comprising:
a first tubing carrier locking body that constrains the motion of the first tubing carrier comprising:
a first snap-fit tab ledge;
a second snap-fit tab ledge;
a second tubing carrier locking body that constrains the motion of the second tubing carrier;
a hinge coupling, having an axis, between the first tubing carrier locking body and the second tubing carrier locking body;
a first retaining structure comprising:
a first snap-fit locking tab integral to the second tubing carrier locking body; and
a second retaining structure comprising:
a second snap-fit locking tab integral to the second tubing carrier locking body,
Wherein the hinge coupling between the first and second locking bodies constrains their movement such that the two locking bodies pivot along the hinge coupling axis between an open position, an initial sealing position, and a final sealing position, where in the open position the fluid sealing gasket is not compressed, in the initial sealing position the fluid sealing gasket is in a first state of compression such that there is a low pressure fluid tight seal between the first tubing port and the second tubing port, and in the final sealing position the fluid sealing gasket is further compressed in a second state of compression such that there is a high pressure fluid tight seal between the first tubing port and the second tubing port,
Wherein the first retaining structure constrains the locking bodies from moving from the initial sealing position to the open position, and the second retaining structure constrains the locking bodies in the final sealing position,
Where in the initial sealing position, the first snap-fit locking tab is engaged to the first snap-fit tab ledge on the first tubing carrier locking body; and in the final sealing position, the second snap-fit locking tab is engaged to the second snap-fit tab ledge on the first tubing carrier locking body and the first snap-fit locking tab is no longer engaged to the first snap-fit tab ledge on the first tubing carrier locking body.