EP0961656A1 - Einweg-sicherheitsvorrichtung zur blutübertragung - Google Patents

Einweg-sicherheitsvorrichtung zur blutübertragung

Info

Publication number
EP0961656A1
EP0961656A1 EP98908188A EP98908188A EP0961656A1 EP 0961656 A1 EP0961656 A1 EP 0961656A1 EP 98908188 A EP98908188 A EP 98908188A EP 98908188 A EP98908188 A EP 98908188A EP 0961656 A1 EP0961656 A1 EP 0961656A1
Authority
EP
European Patent Office
Prior art keywords
needle
safety device
blood
segment
transferring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98908188A
Other languages
English (en)
French (fr)
Other versions
EP0961656B1 (de
Inventor
Nicolas Bara
Emmanuel Dietrich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NICOLAS BARA
Original Assignee
Central Labo Europe SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Central Labo Europe SAS filed Critical Central Labo Europe SAS
Publication of EP0961656A1 publication Critical patent/EP0961656A1/de
Application granted granted Critical
Publication of EP0961656B1 publication Critical patent/EP0961656B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02—Burettes; Pipettes
    • B01L3/0289—Apparatus for withdrawing or distributing predetermined quantities of fluid
    • B01L3/0293—Apparatus for withdrawing or distributing predetermined quantities of fluid for liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/06—Auxiliary integrated devices, integrated components
    • B01L2300/0672—Integrated piercing tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2400/00—Moving or stopping fluids
    • B01L2400/04—Moving fluids with specific forces or mechanical means
    • B01L2400/0475—Moving fluids with specific forces or mechanical means specific mechanical means and fluid pressure
    • B01L2400/0481—Moving fluids with specific forces or mechanical means specific mechanical means and fluid pressure squeezing of channels or chambers

Definitions

  • the present invention relates to a disposable safety device for transferring blood contained in a container.
  • Such devices are intended in particular to transfer blood between the sampling segments of a blood bag and a vacuum or ordinary tube, or to deposit calibrated drops on an analysis slide, or supports commonly called BEDSIDE TEST (trade name). Furthermore, the present invention also makes it possible to transfer calibrated drops of blood originating from a vacuum tube onto an analysis slide or a Bedside Test (trade name).
  • the blood bags universally used in blood transfusion are extended by "segments", plastic tubes containing the same blood as the bag, and used to sample (for blood tests) without reopening the bag.
  • Another problem concerns the deposit of a drop only on an analysis slide or a BEDSIDE TEST type test. It is not easy to form a clean and calibrated drop with a segment cut with scissors or pierced with a needle normally intended for another use.
  • the object of the present invention is to provide a device having great security for the user, in particular avoiding any risk of contamination.
  • the device in its most general embodiment consists of a hollow body having a transverse median partition crossed by a beveled needle at one of its ends.
  • This hollow body has, on the side of the beveled end of the needle, a tubular segment with a section smaller than the section of a finger, and a length determined so as to prevent the user's finger from reaching the beveled end of the needle.
  • the tubular segment has substantially radial internal fins, for refocusing the segment (the fins direct the end of the segment on the bevel of the needle).
  • the hollow body has, on the side opposite the beveled needle end, a second tubular segment of diameter greater than the section of the opposite segment, the non-beveled end of the needle opening into said second tubular segment.
  • This variant corresponds to a multi-purpose device allowing the transfer of a drop of blood from a blood bag or a vacuum tube to an analysis slide or a BEDSIDE TEST, as well as the transfer of blood between a pocket segment and a vacuum tube.
  • the second tubular segment has a sleeve surrounding the base of the needle, said sleeve serving to press on the flexible part of the caps of all the models of vacuum tubes.
  • the invention makes it possible to transfer blood from a blood bag segment into ordinary tubes with an outside diameter of 10 and 12 mm.
  • the wide part of the part (non-bevelled side of the needle) is provided with internal centering fins, a 10 mm tube (glass or plastic) and substantially radial fins for centering a 12mm tube.
  • tubular segments at least has a non-planar front end.
  • FIG. 1 shows the device in a first mode of use
  • - Figure 2 shows a view along a median sectional plane of the device
  • - Figure 2bis shows a simplified variant of a median section plane of the device
  • FIG. 3 shows a view along a transverse sectional plane AA 'of the device
  • FIG. 4 shows the device in a second mode of use
  • FIG. 5 shows the device in a third mode of use
  • FIG. 1 represents an example of an embodiment in a first use consisting in taking from a blood bag segment (1) a drop of blood (2) to be deposited on an analysis slide (3).
  • the device of which FIGS. 2 and 3 represent views in longitudinal and transverse sections, respectively, consists of a hollow body (4) of transparent plastic, having a first tubular element (5) and a second tubular element (6) separated by a middle partition.
  • the segment of the blood bag is pierced by a needle (8) having a beveled end (9).
  • a drop of blood is beaded which comes to deposit on the blade (3), at a location located inside the circle defined by the end. front (11) of the tubular element (6).
  • the tubular element (5) surrounding the beveled end (9) of the needle (8) has an internal section corresponding substantially to the external diameter of the blood bag segments.
  • the length of this tubular element (5) is determined so that it forms a protective sleeve extending beyond the beveled end (9) of the needle (8), in order to avoid that the user's finger does not accidentally come to be injured on the needle.
  • the part of the needle extending inside the tubular element (5) is approximately 15 millimeters, while the length of the tubular element (5) is about 30 millimeters.
  • the inner wall of the tubular element (5) has radial fins (12, 13) ensuring the centering of the blood bag.
  • the device On the opposite side, the device has a tubular element (6) surrounding the second part (14) of the needle ending in an end (15) which is not bevelled.
  • the needle is surrounded at the base of this second part by a support sleeve (16) whose outer section is less than the flexible part of the caps of all models of vacuum tubes.
  • This sleeve has radial fins (17, 18) ensuring centering by pressing on the inside wall of the neck of tubes of small section (with an outside diameter of 10 mm).
  • the tubular element (6) also has radial fins (19, 20) ensuring centering by pressing on the external wall of the neck of tube of large section (with external diameter 12mm).
  • Figure 4 shows the use of the device for transferring a drop of blood from a vacuum tube (21) to an analysis slide (3), a BEDSIDE TEST, or any plane.
  • the vacuum tube (21) is pressed into the tubular element (6) and the non-bevelled end of the needle (8) passes through the plug.
  • the flexible part of the tube plug under vacuum comes into contact with the support sleeve (16), which has the effect of increasing the pressure inside the vacuum tube (21) until a drop of blood (22) is beaded.
  • the pressure returns to normal, and a possible excess of blood will be drawn inside the vacuum tube (21), which guarantees perfect hygiene of the device.
  • FIG. 5 represents another use of the device according to the invention, for transferring the blood contained in a blood bag (1) into a test tube (23).
  • the blood bag is first inserted into the tubular element (5) surrounding the beveled end (9) of the needle (8).
  • a test tube (23) is then inserted into the opposite tubular element (6). When pressure is exerted on the walls of the segment of the blood bag (1), the blood is expelled towards the tube (23).
  • FIG. 6 represents another use of the device according to the invention, for transferring the blood contained in a blood bag (1) into a vacuum tube (21).
  • the blood bag is first inserted into the tubular element (5) surrounding the beveled end (9) of the needle (8).
  • a vacuum tube (21) is then inserted into the opposite tubular element (6). The vacuum ensures the aspiration of blood from the blood bag (1) to the vacuum tube (21).

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • External Artificial Organs (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
EP98908188A 1997-02-19 1998-02-13 Einweg-sicherheitsvorrichtung zur blutübertragung Expired - Lifetime EP0961656B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9701962A FR2759780B1 (fr) 1997-02-19 1997-02-19 Dispositif de securite a usage unique pour transferer le sang
FR9701962 1997-02-19
PCT/FR1998/000282 WO1998036834A1 (fr) 1997-02-19 1998-02-13 Dispositif de securite a usage unique pour transferer le sang

Publications (2)

Publication Number Publication Date
EP0961656A1 true EP0961656A1 (de) 1999-12-08
EP0961656B1 EP0961656B1 (de) 2003-05-02

Family

ID=9503918

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98908188A Expired - Lifetime EP0961656B1 (de) 1997-02-19 1998-02-13 Einweg-sicherheitsvorrichtung zur blutübertragung

Country Status (6)

Country Link
EP (1) EP0961656B1 (de)
AT (1) ATE238840T1 (de)
CA (1) CA2281603C (de)
DE (1) DE69814045T2 (de)
FR (1) FR2759780B1 (de)
WO (1) WO1998036834A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5714125A (en) * 1996-03-07 1998-02-03 Medical Safety Products, Inc. Device for collecting a blood sample from a plastic segment tube
US6727101B1 (en) 1996-03-07 2004-04-27 Baxter International Inc. Device for removing a blood sample from a plastic segment tube
DE29808474U1 (de) * 1998-05-11 1998-08-20 Eltest- Gesellschaft für Elektrophorese- und Transfusionssysteme mbH, 53111 Bonn Vorrichtung zur Entnahme einer Flüssigkeitsprobe aus einem Schlauchstück
CA2409658C (en) 2000-05-26 2010-07-20 Baxter International Inc. Cannula assembly for medical applications and method of manufacture

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0755498Y2 (ja) * 1988-07-13 1995-12-20 川澄化学工業株式会社 輸血及び血液検査用の被検血液採取器具
US5254312A (en) * 1992-05-18 1993-10-19 Staebler Charles R Apparatus for collecting a blood sample from a sealed tube
AU6357794A (en) * 1993-03-05 1994-09-26 William H. Thompson Blood sample segment evacuation tool
JPH10512368A (ja) * 1995-01-13 1998-11-24 コールター インターナショナル コーポレイション 分析用流体を移動させるための装置及び方法
US5714125A (en) * 1996-03-07 1998-02-03 Medical Safety Products, Inc. Device for collecting a blood sample from a plastic segment tube

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9836834A1 *

Also Published As

Publication number Publication date
EP0961656B1 (de) 2003-05-02
CA2281603C (fr) 2005-08-09
CA2281603A1 (fr) 1998-08-27
ATE238840T1 (de) 2003-05-15
FR2759780B1 (fr) 1999-05-07
DE69814045D1 (de) 2003-06-05
WO1998036834A1 (fr) 1998-08-27
FR2759780A1 (fr) 1998-08-21
DE69814045T2 (de) 2004-03-11

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