Patent US4978446A successfully refreshed from Google Patents.
US4978446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sterile blood component collection
Assignee: Terumo BCT Inc
•
Filing: 1990-01-18
•
Granted: 1990-12-18
•
Expires: 2010-01-18
Abstract
Abstract Apparatus for collecting blood components including a supply line that is connected to a blood line and has a filter on it to permit passage of supply solution (e.g., anticoagulant or saline prime) and blocks passage of bacteria.
Inventors
- 👤 Donn D. Lobdell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:59
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/36; A61M1/3672; A61M1/02; A61M1/0209; A61M1/0218; A61M1/3621; A61M1/3643; A61M1/3644; A61M1/3693; A61M1/3696; A61M2205/00; A61M2205/75; A61M2205/7518
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
170 words
Apparatus for collecting blood components comprising a sterile fluid flow line for receiving blood from a donor, a blood separator including a disposable separation channel connected to said flow line to receive and separate said blood, a blood component collection container connected to said separator via an outlet line, a first supply line connected at one end to supply solution to said sterile fluid flow line, the other end of said supply line being connected to a connector adapted to be connected to a source of said solution, and a first filter on said supply line that includes means for permitting passage of said solution and blocking passage of bacteria, said sterile fluid flow line, first supply line, separation channel, outlet line, and blood component collection chamber being permanently connected together to maintain a closed, bacteria-free system downstream of said filter, whereby said source of solution can be connected to said connector at the time of use without bacteria being transmitted into said sterile flow line, separator and collection container.
Claim 2
Dependent Claim
170 words
Apparatus for collecting blood components comprising a sterile fluid flow line for receiving blood from a donor, a blood separator including a disposable separation channel connected to said flow line to receive and separate said blood, a blood component collection container connected to said separator via an outlet line, a first supply line connected at one end to supply solution to said sterile fluid flow line, the other end of said supply line being connected to a connector adapted to be connected to a source of said solution, and a first filter on said supply line that includes means for permitting passage of said solution and blocking passage of bacteria, said sterile fluid flow line, first supply line, separation channel, outlet line, and blood component collection chamber being permanently connected together to maintain a closed, bacteria-free system downstream of said filter, whereby said source of solution can be connected to said connector at the time of use without bacteria being transmitted into said sterile flow line, separator and collection container.
Claim 3
Dependent Claim
21 words
The apparatus of claim 1 wherein said connector includes a needle for puncturing a wall of a source of supply solution.
Claim 4
Dependent Claim
15 words
The apparatus of claim 2 wherein said connector has a drip chamber attached to it.
Claim 5
Dependent Claim
21 words
The apparatus of claim 1 wherein said filter comprises a membrane having a maximum pore size to prevent passage of bacteria.
Claim 6
Dependent Claim
15 words
The apparatus of claim 1 wherein said supply solution is anticoagulant or saline prime solution.
Claim 7
Dependent Claim
12 words
The apparatus of claim 1 wherein said blood separator is a centrifuge.
Claim 8
Dependent Claim
16 words
The apparatus of claim 1 wherein said blood component collection container is a platelet collection bag.
Claim 9
Dependent Claim
45 words
The apparatus of claim 1 further comprising a second supply line connected at one end to supply solution to said sterile fluid flow line and a second filter on said supply line that includes means for permitting passage of solution and blocking passage of bacteria.
References Cited (Backward Citations)
US3932153A
Cited
US4197847A
Cited
US4326957A
Cited
US4346703A
Cited
US4223672A
Cited
US4265760A
Cited
US4259187A
Cited
US4294594A
Cited
US4444661A
Cited
US4695382A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-12-17 | 1994-06-18 | 1994-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-12-17 | 1998-06-18 | 1998-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-12-17 | 2002-06-18 | 2002-12-18 | $7700.00 | Window Closed / Lapsed |