US4886071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Package including syringe and needle
Assignee: Becton Dickinson and Co
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Filing: 1987-03-02
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Granted: 1989-12-12
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Expires: 2007-03-02
Abstract
Abstract A system is provided for receiving, maintaining and processing blood samples for the subsequent separation and testing thereof. A pre-packaged blood sample receiving vessel is provided containing appropraite additives and a quantity of beads or other physical bodies for subsequent lysis, centrifugation, and separation of the sample. An additional pre-packaged arrangement is provided at the lab for the handling and removal of the lysed, centrifuged and separated sample in order to obtain the desired portion of the sample for appropriate laboratory testing procedures.
Inventors
- 👤 Jack J. Mehl
- 👤 Raymond T. Wasek
- 👤 Jay Desai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:24
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/002; A61B; A61B5/00; A61B5/15; A61B5/150007; A61B5/150015; A61B5/15003; A61B5/150206; A61B5/150305; A61B5/153; A61B5/154; B; B01; B01L; B01L3/00; B01L3/50; B01L3/502; B01L3/5021; B01L3/50215; C; C12; C12M; C12M33/00; C12M33/04; C12M33/10; C12M47/00; C12M47/06; C12Q; C12Q1/00; C12Q1/02; C12Q1/04; C12Q1/24; G; G01; G01N; G01N33/00; G01N33/48; A61B5/150374; A61B5/150381; A61B5/150389; A61B5/150473; A61B5/150503; A61B5/150732; A61B5/150755; A61M25/00; A61M25/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
203 words
A package for separating and handling the supernate and concentrate portions of a lysed and centrifuged blood sample held in an evacuated tube, characterized by (a) a sealed sterile flexible pouch; (b) an evacuated tube holder in said pouch; (c) a supernate transfer needle mounted on and extending through said evacuated tube holder for withdrawing the supernate portion of the said lysed and centrifuged blood sample held in an evacuated tube; (d) said supernate transfer needle being pointed at both ends and having a long end for penetration into an evacuated tube holding said lysed and centrigued blood sample, and a short end extending into said tube holder; (e) an evacuated tube in said pouch for insertion into said tube holder, and having a stopper for penetration by said short end for receiving the said supernate portion from an evacuated tube holding said lysed and centrifuged blood sample; (f) a plugged vent needle in said pouch for venting the stopper of a sample containing evacuated tube holding said lysed and centrifuged blood sample during removal of the contents thereof; and (g) a syringe and needle in said pouch for removing a concentrate portion from said lysed and centrifuged blood sample containing evacuated tube.
Claim 2
Dependent Claim
203 words
A package for separating and handling the supernate and concentrate portions of a lysed and centrifuged blood sample held in an evacuated tube, characterized by (a) a sealed sterile flexible pouch; (b) an evacuated tube holder in said pouch; (c) a supernate transfer needle mounted on and extending through said evacuated tube holder for withdrawing the supernate portion of the said lysed and centrifuged blood sample held in an evacuated tube; (d) said supernate transfer needle being pointed at both ends and having a long end for penetration into an evacuated tube holding said lysed and centrigued blood sample, and a short end extending into said tube holder; (e) an evacuated tube in said pouch for insertion into said tube holder, and having a stopper for penetration by said short end for receiving the said supernate portion from an evacuated tube holding said lysed and centrifuged blood sample; (f) a plugged vent needle in said pouch for venting the stopper of a sample containing evacuated tube holding said lysed and centrifuged blood sample during removal of the contents thereof; and (g) a syringe and needle in said pouch for removing a concentrate portion from said lysed and centrifuged blood sample containing evacuated tube.
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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) | 1992-12-11 | 1993-06-12 | 1993-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-12-11 | 1997-06-12 | 1997-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-12-11 | 2001-06-12 | 2001-12-12 | $7700.00 | Window Closed / Lapsed |