US4437472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for collecting fluids
Assignee: Individual
•
Filing: 1982-09-29
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Granted: 1984-03-20
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Expires: 2002-09-29
Abstract
Abstract An improved flexible container for use in the collection and defibrination of blood. The flexible container is provided with an insitu filter associated with the outlet port. The fibrin filter includes a perforated inner tube extending into the outlet port and a reticulated foam insert secured around the inner tube. In accordance with one embodiment a perforated outer shell member encases the foam insert.
Inventors
- 👤 Henry Naftulin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:42
CPC Classifications
A; A61; A61J; A61J1/00; A61J1/05; A61J1/10; A61B; A61B5/00; A61B5/15; A61B5/150007; A61B5/150015; A61B5/15003; A61B5/150366; A61B5/150755; A61M; A61M2202/00; A61M2202/04; A61M2202/0413; A61M2202/0445; A61M2202/0447; A61M2202/045
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
95 words
In combination with a flexible container used to collect and defibrinate blood therein, an insitu fibrin filter means positioned within said container and in communication with the outlet port of said container for collecting fibrin prior to its entry into said outlet port, comprising: a perforated inner tube member having an upper end extending into said outlet port, and a lower end extending into said container; and reticulated foam insert secured around said inner tube member, said inner tube member being sealed at its other end so as to preclude the entry of blood thereinto.
Claim 2
Dependent Claim
95 words
In combination with a flexible container used to collect and defibrinate blood therein, an insitu fibrin filter means positioned within said container and in communication with the outlet port of said container for collecting fibrin prior to its entry into said outlet port, comprising: a perforated inner tube member having an upper end extending into said outlet port, and a lower end extending into said container; and reticulated foam insert secured around said inner tube member, said inner tube member being sealed at its other end so as to preclude the entry of blood thereinto.
Claim 3
Dependent Claim
22 words
The invention as defined in claim 1 wherein said reticulated foam insert has in the range of 5-70 pores per linear inch.
Claim 4
Dependent Claim
21 words
The invention as defined in claim 1 wherein the upper end of said inner tube member terminates inside said outlet port.
Claim 5
Dependent Claim
26 words
The invention as defined in claim 3 wherein a diaphragm means closes off said outlet port outside of the upper end of said inner tube member.
Claim 6
Dependent Claim
24 words
The invention as defined in claim 1 wherein the portion of said inner tube which extends outside of said foam insert is not perforated.
Claim 7
Dependent Claim
31 words
The invention as defined in claim 1 further including a perforated outer shell member encasing said foam insert, said outer being sealed at its respective ends around said inner tube member.
Claim 8
Dependent Claim
30 words
The invention as defined in claim 5 wherein the upper and lower ends of said foam insert are secured to respective upper and lower portions of said inner tube member.
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) | 1987-03-20 | 1987-09-19 | 1988-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-03-20 | 1991-09-19 | 1992-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-03-20 | 1995-09-19 | 1996-03-20 | $7700.00 | Window Closed / Lapsed |