Patent US5059168A successfully refreshed from Google Patents.
US5059168A
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Neonatal autotransfusion apparatus and method
Assignee: Individual
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Filing: 1990-10-02
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Granted: 1991-10-22
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Expires: 2010-10-02
Abstract
Abstract Method and apparatus for collecting neontal blood following the birth of an infant during cesarean section surgery. A needle is injected into the infant's umbilical cord and a syringe fluidly connected to the needle is aspirated to draw blood from the cord. The drawn blood is transferred to a blood storage bag in a sterile manner.
Inventors
- 👤 Joseph J. Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:43
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/60; A61M1/63; A61M1/64; A61M1/67; A61M2202/00; A61M2202/04; A61M2202/0413; A61M2202/0462; A61M2210/00; A61M2210/14; A61M2210/1433; A61M2210/1466
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
98 words
Apparatus for collecting neonatal blood from the umbilical cord of a newborn infant comprising: a hollow needle having a sharpened end for insertion into the interior of the umbilical vein of said cord; a stop cock having an inlet fluidly coupled to said needle and a first outlet fluidly coupled to a syringe having a plunger therein, said stop cock also having a second outlet fluidly coupled to a sterile coupler; at least one blood storage bag fluidly coupled to said sterile coupler; and a flexible bag encircling said syringe and sealing off said syringe from the atmosphere.
Claim 2
Dependent Claim
98 words
Apparatus for collecting neonatal blood from the umbilical cord of a newborn infant comprising: a hollow needle having a sharpened end for insertion into the interior of the umbilical vein of said cord; a stop cock having an inlet fluidly coupled to said needle and a first outlet fluidly coupled to a syringe having a plunger therein, said stop cock also having a second outlet fluidly coupled to a sterile coupler; at least one blood storage bag fluidly coupled to said sterile coupler; and a flexible bag encircling said syringe and sealing off said syringe from the atmosphere.
Claim 3
Dependent Claim
27 words
In the apparatus of claim 1 wherein said sterile coupler has a plurality of outlets with a blood storage bag fluidly coupled to each of said outlets.
Claim 4
Dependent Claim
38 words
In the apparatus of claim 2 including a fluid conduit coupling each of said blood storage bags to said coupler, and clamping means operating engaging each of said conduits for selectively opening and shutting off fluid flow therethrough.
Claim 5
Dependent Claim
14 words
In the apparatus of claim 3 wherein three such blood storage bags are provided.
Claim 6
Dependent Claim
40 words
In the apparatus of claim 3 or 4 wherein said conduits are flexible tubings and said clamping means is a pinch clamp pinching each of said tubings between said device and said blood storage bag to prevent fluid flow therethrough.
References Cited (Backward Citations)
WO1980002706A1
Cited
US4447235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-10-21 | 1995-04-22 | 1995-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-10-21 | 1999-04-22 | 1999-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-10-21 | 2003-04-22 | 2003-10-22 | $7700.00 | Window Closed / Lapsed |