US4903855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure and port assembly
Assignee: Baxter International Inc
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Filing: 1988-11-25
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Granted: 1990-02-27
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Expires: 2008-11-25
Abstract
Abstract A port and closure assembly is provided. The port and closure assembly comprises a port including a tubular portion that extends from a base, the tubular portion terminating at an end including an opening. A closure is provided for sealing at least a portion of the end of the port, the port and closure being constructed from materials that create a tack seal when the closure is positioned on the port and the port and closure are sterilized, the tack seal functioning to secure the closure to the port.
Inventors
- 👤 James Ducay
- 👤 Josef Schmidt
- 👤 Hugh Forman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:38
CPC Classifications
A; A61; A61J; A61J1/00; A61J1/05; A61J1/10; B; B65; B65D; B65D41/00; B65D41/32
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
81 words
A port and closure assembly comprising: a port including a tubular portion that extends from a base, the tubular portion terminating at an end including an opening; and a closure, for sealing at least a portion of the end of the port, the port and closure being constructed from materials that create a tack seal when the closure is positioned on the port and the port and closure are sterilized, the tack seal functioning to secure the closure to the port.
Claim 2
Dependent Claim
81 words
A port and closure assembly comprising: a port including a tubular portion that extends from a base, the tubular portion terminating at an end including an opening; and a closure, for sealing at least a portion of the end of the port, the port and closure being constructed from materials that create a tack seal when the closure is positioned on the port and the port and closure are sterilized, the tack seal functioning to secure the closure to the port.
Claim 3
Dependent Claim
16 words
The port and closure assembly of claim 1 wherein the closure is constructed from EPDM rubber.
Claim 4
Dependent Claim
16 words
The port and closure assembly of claim 1 wherein the port is constructed from a polypropylene.
Claim 5
Dependent Claim
18 words
The port and closure of claim 1 wherein the port is constructed from a thermoplastic elastomer modified polypropylene.
Claim 6
Dependent Claim
18 words
The port and closure assembly of claim 1 wherein the port is constructed from a Kraton modified polypropylene.
Claim 7
Dependent Claim
16 words
The port and closure assembly of claim 1 wherein the port and closure are steam sterilized.
Claim 8
Dependent Claim
18 words
The port and closure assembly of claim 1 wherein the port and closure are sterilized by gamma sterilization.
Claim 9
Dependent Claim
24 words
The port and closure assembly of claim 1 wherein the port is constructed from polypropylene blend and the closure is constructed from EPDM rubber.
Claim 10
Dependent Claim
165 words
A tamper evident closure for removably sealing an opening of a port comprising: a first end for gripping the closure; a second end, defining a sleeve portion, for circumscribing a portion of the port when the closure is positioned so that it seals the opening of the port; an intermediate segment extending between the first end and the second end, the intermediate segment having a portion that has a reduced cross-sectional thickness with respect to other portions of the intermediate portion, the portion having a sufficiently reduced cross-sectional thickness allowing a portion of the closure located on a first side of the portion having a reduced thickness to separate from a portion of the closure located on a second side of the portion having a reduced thickness, when the sleeve is secured to the port and a sufficient pulling force is exerted on the first end; and the closure cooperating with the port to provide a tack seal upon sterilization of the closure and port.
Claim 11
Dependent Claim
165 words
A tamper evident closure for removably sealing an opening of a port comprising: a first end for gripping the closure; a second end, defining a sleeve portion, for circumscribing a portion of the port when the closure is positioned so that it seals the opening of the port; an intermediate segment extending between the first end and the second end, the intermediate segment having a portion that has a reduced cross-sectional thickness with respect to other portions of the intermediate portion, the portion having a sufficiently reduced cross-sectional thickness allowing a portion of the closure located on a first side of the portion having a reduced thickness to separate from a portion of the closure located on a second side of the portion having a reduced thickness, when the sleeve is secured to the port and a sufficient pulling force is exerted on the first end; and the closure cooperating with the port to provide a tack seal upon sterilization of the closure and port.
Claim 12
Dependent Claim
28 words
The tamper evident closure of claim 9 wherein the portion having a reduced thickness is located at a point in juxtaposition to a top end of the sleeve.
Claim 13
Dependent Claim
26 words
The tamper evident closure of claim 9 wherein the first end includes a member that extends into a channel area that is defined by the sleeve.
Claim 14
Dependent Claim
15 words
The tamper evident closure of claim 9 wherein the closure is constructed from EPDM rubber.
Claim 15
Dependent Claim
17 words
The tamper evident closure of claim 12 wherein the port is constructed from a Kraton modified polypropylene.
Claim 16
Dependent Claim
18 words
The tamper evident closure of claim 9 wherein the port is constructed from a thermoplastio elastomer modified polypropylene.
Claim 17
Dependent Claim
43 words
The tamper evident closure of claim 9 wherein the closure is so constructed and arranged that the sleeve circumscribes a portion of the port and an opening of the port can be accessed when the closure separates along the portion of reduced thickness.
Claim 18
Dependent Claim
147 words
A port and closure assembly comprising: a port including a tubular portion that extends from a base and terminates at an end having an opening; a closure, for sealing at least a portion of the end portion of the port, the closure including at one end a gripping member, at a second end a sleeve member that circumscribes a portion of the end of the port when the closure is positioned over the port, and an intermediate portion located between the first and second ends, the intermediate portion including means for allowing a first portion of the port, that is defined at least in part by the first end, to separate from a second portion of the port, that is defined at least in part by the second end; and the closure and port cooperate to provide a tack seal upon sterilization of the closure and port.
Claim 19
Dependent Claim
147 words
A port and closure assembly comprising: a port including a tubular portion that extends from a base and terminates at an end having an opening; a closure, for sealing at least a portion of the end portion of the port, the closure including at one end a gripping member, at a second end a sleeve member that circumscribes a portion of the end of the port when the closure is positioned over the port, and an intermediate portion located between the first and second ends, the intermediate portion including means for allowing a first portion of the port, that is defined at least in part by the first end, to separate from a second portion of the port, that is defined at least in part by the second end; and the closure and port cooperate to provide a tack seal upon sterilization of the closure and port.
Claim 20
Dependent Claim
26 words
The port and closure assembly of claim 16 wherein: the port is constructed from a rubber modified polypropylene; and the closure is constructed from EPDM rubber.
Claim 21
Dependent Claim
16 words
The port and closure assembly of claim 16 wherein the port and closure are steam sterilized.
Claim 22
Dependent Claim
16 words
The port and closure assembly of claim 16 wherein the port and closure are gamma sterilized.
Claim 23
Dependent Claim
35 words
The port and closure assembly of claim 16 wherein the sleeve of the closure circumscribes a portion of the port after the first portion of the closure separates from a second portion of the closure.
Claim 24
Dependent Claim
14 words
The port and closure assembly of claim 20 wherein the sleeve is color coded.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-02-26 | 1993-08-28 | 1994-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-02-26 | 1997-08-28 | 1998-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-02-26 | 2001-08-28 | 2002-02-27 | $7700.00 | Window Closed / Lapsed |