US4028253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dialyzer connector system
Assignee: Baxter International Inc
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Filing: 1975-10-08
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Granted: 1977-06-07
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Expires: 1995-10-08
Abstract
Abstract A connector system for use in a dialyzer is disclosed herein for connecting an external fluid conduit to a tubularly-shaped, semipermeable membrane. The system protects the membrane from forces imposed on the conduit. The system includes a jack member, which is secured within the dialyzer and has a passageway, which at one end is connected to the conduit and which at the other end is connected to a button-type connector which provides communication between the passageway and the semipermeable membrane. The button connector includes a cap and a barrel and has a passageway extending through the cap and barrel.
Inventors
- 👤 Jimmy L. Miller
- 👤 William J. Schnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:07
CPC Classifications
B; B01; B01D; B01D63/00; B01D63/10; B01D63/107; B01D61/00; B01D61/24; B01D61/28; B01D2313/00; B01D2313/02
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
126 words
A connector system for use in a dialyzer to connect an external fluid conduit and a tubularly-shaped, semipermeable membrane, having at least one connecting aperture in the wall thereof, and to protect said membrane from forces imposed on said conduit, said system including: a jack member adapted to be secured within said dialyzer and having means defining a fluid passageway therethrough, and means associated with one end of said jack member passageway for coupling said conduit and passageway in fluid communication; and a button-type connector for cooperation with the other end of said jack member passageway and membrane connecting aperture for connecting said passageway and said tubular membrane, said connector incuding a cap and a barrel and having a passageway extending through said cap and barrel.
Claim 2
Dependent Claim
126 words
A connector system for use in a dialyzer to connect an external fluid conduit and a tubularly-shaped, semipermeable membrane, having at least one connecting aperture in the wall thereof, and to protect said membrane from forces imposed on said conduit, said system including: a jack member adapted to be secured within said dialyzer and having means defining a fluid passageway therethrough, and means associated with one end of said jack member passageway for coupling said conduit and passageway in fluid communication; and a button-type connector for cooperation with the other end of said jack member passageway and membrane connecting aperture for connecting said passageway and said tubular membrane, said connector incuding a cap and a barrel and having a passageway extending through said cap and barrel.
Claim 3
Dependent Claim
21 words
A connector system as in claim 1, wherein said connector passageway is a bore extending axially through said cap and barrel.
Claim 4
Dependent Claim
47 words
A connector system as in claim 2, wherein said cap is adapted to engage the inner surface of said membrane surrounding said aperture and said barrel is adapted to extend outwardly through said membrane aperture and cooperate with said jack member passageway for providing fluid communication therewith.
Claim 5
Dependent Claim
21 words
A connector system as in claim 3, wherein said barrel is adapted to fit within and sealingly engage said jack passageway.
Claim 6
Dependent Claim
28 words
A connector system as in claim 4, wherein said connector and said jack member each includes means for cooperation in securing said tubular connector to said jack member.
Claim 7
Dependent Claim
27 words
A connector as in claim 2, wherein said cap includes means defining a plurality of radially extending fluid distribution grooves which exend radially outwardly from said bore.
Claim 8
Dependent Claim
21 words
A connector system as in claim 2, wherein said jack member passageway and said barrel are cooperatively tapered for sealing engagement.
Claim 9
Dependent Claim
12 words
A connector system as in claim 2, wherein said cap is crowned.
Claim 10
Dependent Claim
135 words
A connector system for use in a dialyzer for connecting at least one external fluid conduit to a tubularly shaped semipermeable membrane, said system comprising: a jack member secured to said dialyzer, said jack member being substantially rigid and defining at least one passageway therethrough; conduit connecting means associated with one end of said jack member passageway for coupling said conduit in fluid communication with said passageway; and aperture member connecting means associated with the other end of said jack member passageway for coupling said membrane to said passageway; said membrane connecting means and conduit connecting means being independent of each other and secured to said jack member such that fluid can flow from the membrane into the passageway and into the conduit without forces being imposed on said conduit being transferred to said membrane.
Claim 11
Dependent Claim
135 words
A connector system for use in a dialyzer for connecting at least one external fluid conduit to a tubularly shaped semipermeable membrane, said system comprising: a jack member secured to said dialyzer, said jack member being substantially rigid and defining at least one passageway therethrough; conduit connecting means associated with one end of said jack member passageway for coupling said conduit in fluid communication with said passageway; and aperture member connecting means associated with the other end of said jack member passageway for coupling said membrane to said passageway; said membrane connecting means and conduit connecting means being independent of each other and secured to said jack member such that fluid can flow from the membrane into the passageway and into the conduit without forces being imposed on said conduit being transferred to said membrane.
Claim 12
Dependent Claim
84 words
A dialyzer having a core portion, at least one external fluid conduit, a tubularly shaped membrane, said membrane having at least one connecting opening, a connector system for connecting said external fluid conduit to said semipermeable membrane, said system comprising: a jack member, said jack member being substantially rigid and secured to said dialyzer, means associated with said jack member for independently connecting said membrane to said external fluid conduit to thereby prevent forces imposed on said conduit from being transferred to said membrane.
Claim 13
Dependent Claim
84 words
A dialyzer having a core portion, at least one external fluid conduit, a tubularly shaped membrane, said membrane having at least one connecting opening, a connector system for connecting said external fluid conduit to said semipermeable membrane, said system comprising: a jack member, said jack member being substantially rigid and secured to said dialyzer, means associated with said jack member for independently connecting said membrane to said external fluid conduit to thereby prevent forces imposed on said conduit from being transferred to said membrane.
Claim 14
Dependent Claim
138 words
A dialyzer having a core portion, at least one end cap member, external fluid conduit, a tubularly shaped semipermeable membrane having at least one connecting aperture in the wall thereof, and a connector system to protect said membrane from forces imposed on said conduit, said system including: a substantially rigid, elongated jack member adapted to be secured within said dialyzer; said jack member defining a fluid passageway therethrough, and means associated with one end of said jack member passageway for coupling said conduit and said passageway into fluid communication; and a button-type connector for cooperation with the other end of said jack member passagway and membrane connecting aperture for connecting said passageway and said tubular membrane into fluid communication; said button-type connector including a cap and a barrel and having a passageway extending through said cap and barrel.
Claim 15
Dependent Claim
138 words
A dialyzer having a core portion, at least one end cap member, external fluid conduit, a tubularly shaped semipermeable membrane having at least one connecting aperture in the wall thereof, and a connector system to protect said membrane from forces imposed on said conduit, said system including: a substantially rigid, elongated jack member adapted to be secured within said dialyzer; said jack member defining a fluid passageway therethrough, and means associated with one end of said jack member passageway for coupling said conduit and said passageway into fluid communication; and a button-type connector for cooperation with the other end of said jack member passagway and membrane connecting aperture for connecting said passageway and said tubular membrane into fluid communication; said button-type connector including a cap and a barrel and having a passageway extending through said cap and barrel.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-06-06 | 1980-12-06 | 1981-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-06-06 | 1984-12-06 | 1985-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-06-06 | 1988-12-06 | 1989-06-07 | $7700.00 | Window Closed / Lapsed |