DE1938871C3 - Device for percutaneous and dl gital blood collection - Google Patents

Device for percutaneous and dl gital blood collection

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Publication number
DE1938871C3
DE1938871C3 DE1938871*A DE1938871A DE1938871C3 DE 1938871 C3 DE1938871 C3 DE 1938871C3 DE 1938871 A DE1938871 A DE 1938871A DE 1938871 C3 DE1938871 C3 DE 1938871C3
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DE
Germany
Prior art keywords
funnel
container
tube
blood
lancet
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.)
Expired
Application number
DE1938871*A
Other languages
German (de)
Other versions
DE1938871A1 (en
DE1938871B2 (en
Inventor
Georges Petit-Lancy Revillet
Manuel Dr. Grand-Lancy Sanz
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.)
Micromedic Systems Inc Philadelphia Pa (vsta)
Original Assignee
Micromedic Systems Inc Philadelphia Pa (vsta)
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Publication date
Application filed by Micromedic Systems Inc Philadelphia Pa (vsta) filed Critical Micromedic Systems Inc Philadelphia Pa (vsta)
Publication of DE1938871A1 publication Critical patent/DE1938871A1/en
Publication of DE1938871B2 publication Critical patent/DE1938871B2/en
Application granted granted Critical
Publication of DE1938871C3 publication Critical patent/DE1938871C3/en
Expired legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/150007Details
    • A61B5/150015Source of blood
    • A61B5/150022Source of blood for capillary blood or interstitial fluid
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/150007Details
    • A61B5/150053Details for enhanced collection of blood or interstitial fluid at the sample site, e.g. by applying compression, heat, vibration, ultrasound, suction or vacuum to tissue; for reduction of pain or discomfort; Skin piercing elements, e.g. blades, needles, lancets or canulas, with adjustable piercing speed
    • A61B5/150061Means for enhancing collection
    • A61B5/150068Means for enhancing collection by tissue compression, e.g. with specially designed surface of device contacting the skin area to be pierced
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/150007Details
    • A61B5/150343Collection vessels for collecting blood samples from the skin surface, e.g. test tubes, cuvettes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/150007Details
    • A61B5/150374Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381Design of piercing elements
    • A61B5/150412Pointed piercing elements, e.g. needles, lancets for piercing the skin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/150007Details
    • A61B5/150748Having means for aiding positioning of the piercing device at a location where the body is to be pierced
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/150977Arrays of piercing elements for simultaneous piercing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/151Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
    • A61B5/15101Details
    • A61B5/15103Piercing procedure
    • A61B5/15107Piercing being assisted by a triggering mechanism
    • A61B5/15113Manually triggered, i.e. the triggering requires a deliberate action by the user such as pressing a drive button
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/151Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
    • A61B5/15101Details
    • A61B5/15115Driving means for propelling the piercing element to pierce the skin, e.g. comprising mechanisms based on shape memory alloys, magnetism, solenoids, piezoelectric effect, biased elements, resilient elements, vacuum or compressed fluids
    • A61B5/15117Driving means for propelling the piercing element to pierce the skin, e.g. comprising mechanisms based on shape memory alloys, magnetism, solenoids, piezoelectric effect, biased elements, resilient elements, vacuum or compressed fluids comprising biased elements, resilient elements or a spring, e.g. a helical spring, leaf spring, or elastic strap
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/150007Details
    • A61B5/150175Adjustment of penetration depth
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/15Devices for taking samples of blood
    • A61B5/150007Details
    • A61B5/150374Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381Design of piercing elements
    • A61B5/150442Blade-like piercing elements, e.g. blades, cutters, knives, for cutting the skin

Description

5555

Die Erfindung betrifft eine Vorrichtung zur perkutanen und digitalen Blutentnahme mit einem rohrförmigen Behälter zur Blutaufnahme.The invention relates to a device for percutaneous and digital blood sampling with a tubular Blood collection container.

Es sind verschiedene Methoden zur Durchführung einer perkutanen und im besonderen einer digitalen Blutentnahme bekannt. Bei einer von diesen beginnt man damit, die Zone des Fingers, die Gegenstand der Entnahme ist, zu desinfizieren, dann schneidet man die Haut ungefähr in einer Tiefe von bis 3 mm ein, verwirft den ersten Tropfen Blut, der aus dem Einschnitt austritt und von dem man weiß, daß er eine relativ große Menge an Flüssigkeit aus den subkutanen Zellen beinhaltet, massiert dann den Finger in Richtung auf den Enschaitt hm und sammelt das in Abhängigkeit von der Massage erhaltene Blut ώ einem Proberohr, in einer Kapillare oder durch Aufziehen in ein Rohr. Diese verschiedenen Phasen der blutentnahme werden normalerweise durch qualifiziertes Personal durchgeführt, das immer seltener zur Verfügung steht.There are different methods of performing a percutaneous and, in particular, a digital one Blood drawing known. One of these starts with the area of the finger, the object the removal is to be disinfected, then the skin is cut approximately to a depth of up to 3 mm, discards the first drop of blood that emerges from the incision and of which one knows that it contains a relatively large amount of fluid from the subcutaneous cells then massages the Fingers in the direction of the arm and collects what has been received depending on the massage Blood ώ a test tube, in a capillary or by drawing it into a tube. These different Stages of blood collection are usually carried out by qualified personnel, always is less available.

Daraus ergeben sich die Vorteile, die bei Verwendung einer Vorrichtung erzielt werden, welche eine Blutentnahme automatisch, unter direkter Betätigung durch die Person, der das Blut entnommen wird, und praktisch ohne Einschaltung von Spezialisten durchführt. This gives rise to the benefits of using a device can be achieved which draws blood automatically, with direct actuation carried out by the person from whom the blood is drawn and practically without the involvement of specialists.

Es ist Aufgabe der Erfindung, solche VorrichtungIt is the object of the invention to provide such a device

anzugeben.to specify.

Erfindungsgemäß wird diese Aufgabe bei einer Vorrichtung der eingangs angegebenen Art dadurch gelöst, daß der rohrförmige Behälter an seinem offenen Ende mit einem Trichter abgeschlossen ist, der elastisch nachgiebige Wände besitzt und an seinem vorzugsweise ebenen Grund rings um die Trichteröffnung eine Auflage aus saugfähigem Material aufweist, welche von mindestens einer Schneidlanzette durchsetzt in, die in den Trichterraum vorspringt und höchstens bis zum oberen Rand der Trichterwand reicht.According to the invention, this object is achieved in a device of the type specified at the outset solved that the tubular container is closed at its open end with a funnel, the has resilient walls and on its preferably flat base around the funnel opening has a pad made of absorbent material, which is supported by at least one cutting lancet interspersed in, which protrudes into the funnel space and at most up to the upper edge of the funnel wall suffices.

Die Erfindung wird nachstehend an Hand von in der Zeichnung dargestellten Ausführungsbeispielen erläutert. In der Zeichnung zeigtThe invention is described below with reference to the exemplary embodiments shown in the drawing explained. In the drawing shows

F i g. 1 einen Aufriß im Schnitt einer ersten Ausführungsform, F i g. 1 is an elevation in section of a first embodiment;

F i g. 2 eine gleiche Ansicht, wie in F i g. 1 gezeigt, wobei sich hier eines der dargestellten Teile in einer anderen Lage befindet,F i g. 2 is the same view as in FIG. 1 shown, with one of the parts shown here in a is in another location,

F i g. 3 eine perspektivische Ansicht eines in F i g. 1 dargestellten Teils der Vorrichtung,F i g. 3 is a perspective view of one of FIG. 1 shown part of the device,

Fig.4 einen Längsschnitt durch eine erste Variante der Vorrichtung,4 shows a longitudinal section through a first variant the device,

F i g. 5 einen Aufriß im Schnitt einer zweiten Variante, F i g. 5 shows an elevation in section of a second variant,

Fig.6 den rohrförmigen Behälter der in Fig.5 dargestellten Vorrichtung mit gesammeltem Blut gefüllt, Fig.6 shows the tubular container in Fig.5 shown device filled with collected blood,

Fig.7 und 8 zwei Detailvarianten der Vorrichtung nach Fig. 5 und7 and 8 two detailed variants of the device according to Fig. 5 and

F i g. 9 einen Längsschnitt einer dritten Variante.F i g. 9 shows a longitudinal section of a third variant.

Die in F i g. 1 der Zeichnung dargestellte Vorrichtung weist einen rohrförmigen Behälter 1 aus durchsichtigem oder durchscheinendem Werkstoff beispielsweise aus Polyäthylen, auf, in dessen öffnung eine Tülle 2 eingesetzt ist, welche den unteren, zur Entleerung vorgesehenen Teil eines Trichters 3 bildet, dessen kelchförmiger Sammelbehälter Wände 4 aus plastischem und elastischem Werkstoff aufweist.The in F i g. 1 of the drawing device shown has a tubular container 1 made of transparent or translucent material, for example made of polyethylene, in its opening a spout 2 is inserted, which forms the lower part of a funnel 3 provided for emptying, whose cup-shaped collecting container has walls 4 made of plastic and elastic material.

Dieser Trichter ruht am Rande der öffnung des Rohrförmigen Behälters 1 mittels eines an seinem Fuß angeordneten ringförmigen Teiles 4 a auf. Die Wand des Trichters und die der Tülle 2 sind ausgeschnitten, wobei eine Nut 5 vorgesehen ist, die L-förmig ist und einen Kanal zum Entweichen der Luft je nach dem Ausmaß der Füllung des rohrförmigen Behälters mit Blut darstellt.This funnel rests on the edge of the opening of the Tubular container 1 by means of an annular part 4 a arranged at its foot. the The wall of the funnel and that of the spout 2 are cut out, with a groove 5 being provided which is L-shaped and a channel for the escape of air depending on the extent to which the tubular container is filled represents with blood.

Am unteren Ende der Tülle 2 ragt ein Röhrchen 6 hervor welches sich bis in die Nähe des Bodens des Behälters 1 erstreckt, mit diesem koaxial verläuft und in ihrem Verlaufe in der Verlängerung der öffnung der Tülle 2 ist.At the lower end of the spout 2, a tube 6 protrudes which extends to near the bottom of the Container 1 extends, runs coaxially with this and in its course in the extension of the opening the spout 2 is.

Bei dieser Ausführungsform bilden die Tülle 2 und das Röhrchen 6 ein einstückiges Ganzes. In der Variante nach F i g. 4 wird das Röhi ehen 6 α im Gegensatz dazu durch Einsetzen in die öffnung la der Tülle 2 gehalten.In this embodiment, the spout 2 and the tube 6 form an integral whole. In the variant according to FIG. 4, the Röhi around 6 α In contrast, by inserting into the opening la of the spout 2 is held.

An seinem Grund weist der Trichter 3 eine ringförmige Nut 46 auf, in welcher der Randteil einer kreisförmigen Grundplatte 7 (F i g. 1 und 3) gehalten wird, welche z.B. aus rostfreiem Stahl besteht und zwei dreieckige Schneidlanzetten 8 a und Sb aus demselben Werkstoff aufweist, welche sich auf beiden Seiten eines aus der Platte ausgeschnittenen Fensters 9 senkrecht zu dieser Platte erstrecken.At its base, the funnel 3 has an annular groove 46 in which the edge part of a circular base plate 7 (Figs. 1 and 3) is held, which is made of stainless steel, for example, and two triangular cutting lancets 8a and 8b made of the same material which extend on both sides of a window 9 cut out of the plate perpendicular to this plate.

Über der Platte 7 ist ein Tampon 10 aus absorbierendem Werkstoff, beispielsweise aus saugfähigem Papier, angeordnet, wobei der Tampon eine Ringform aufweist und durch Aufstecken auf die Schneidlanzetten 8ß und 8 b befestigt ist. Wie dargestellt, öffnen sich die öffnung des Tampons 10 und das Fenster der Platte geradewegs in die Bohrung der Tülle 2. Der Teil der Schneidlanzetten 8 α und 8 b, der über den Tampon 10 vorsteht, weist eine Länge von mindestens 2 bis 3 mm auf; diese Schneidlanzetten können sich mit ihren Spitzen höchstens bis zur Höhe des oberen Randes des Trichters 3 erstrecken.A tampon 10 made of absorbent material, for example made of absorbent paper, is arranged above the plate 7, the tampon having an annular shape and being fastened by being pushed onto the cutting lancets 8b and 8b. As shown, the opening of the tampon 10 and the window of the plate open straight into the bore of the spout 2. The part of the cutting lancets 8 α and 8 b which protrudes over the tampon 10 has a length of at least 2 to 3 mm ; these cutting lancets can extend with their tips at most up to the level of the upper edge of the funnel 3.

Die Lanzetten 8 a und Sb sind dazu bestimmt, die für die Blutentnahme unumgänglich notwendigen Einschnitte in die Haut zu machen (F i g. 2), und es liegt auf der Hand, daß die Einschnitte genügend tief sein müssen, so daß die wichtigsten Blutgefäße erreicht werden können.The lancets 8a and 8b are intended to make the incisions in the skin that are absolutely necessary for taking blood (FIG. 2), and it is obvious that the incisions must be deep enough so that the most important blood vessels can be achieved.

Die zweite Variante der Vorrichtung (Fig. 5) unterscheidet sich von der in F i g. 1 gezeigten Ausfüh-. rungsform vorerst dadurch, daß die Tülle 2 des Trichters 3 kein Röhrchen 6 trägt und weiter, daß der Austritt der Luft, welche den Behälter 1 der Vorrichtung erfüllt, durch eine Bohrung 11 erfolgt, welche am Boden des Behälters mit diesem koaxial vorgesehen ist. Diese Bohrung öffnet sich in ein Ausströmrohr 12. das mit dem Behälter ein Ganzes bildet und um welches ein Metallring 13 angeordnet ist. Das Ausströmrohr 12 besteht, wie der Behälter 1, aus plastischem Werkstoff, beispielsweise aus Polyäthylen. Es ist dazu bestimmt, ein Schließorgan für die Bohrung 11 zu bilden, was durch Zusammendrücken seiner Wand mit Hilfe des Ringes 13, welcher genügt, um sie zusammen zu drücken, geschieht, beispielsweise durch Aufschieben (F i g. 6).The second variant of the device (Fig. 5) is different differs from the one shown in FIG. 1 shown execution. Approximate form initially in that the grommet 2 of the Funnel 3 does not carry a tube 6 and further that the exit of the air which the container 1 of the device fulfilled, takes place through a bore 11 which is provided at the bottom of the container with this coaxially is. This bore opens into an outflow tube 12, which forms a whole with the container and around which a metal ring 13 is arranged. The outflow tube 12, like the container 1, consists of plastic material, for example made of polyethylene. It is intended to be a closing device for the To form bore 11, which by compressing its wall with the help of the ring 13, which is sufficient to press them together, happens, for example, by sliding it (Fig. 6).

Als Variante und wenn der Behälter oder zumindest das Ausströmrohr 12 aus thermoplastischem Kunststoff sind, ist es möglich, die Bohrung durch teilweise Verschmelzung des Ausströmrohrs (F i g. 7) zu verschließen. Wenn demgegenüber der Behälter aus plastischem oder einem anderen Werkstoff mit hohem Schmelzpunkt, der nur wenig elastisch ist, besteht, kann das Ausströrnrohr 12 durch einen einfachen Stopfen 13/4 (Fig. 8) verschlossen werden, der vorzugsweise aus zusammendrückbarem Werkstoff besteht.As a variant and if the container or at least the outflow pipe 12 is made of thermoplastic Plastic, it is possible to drill the hole by partially fusing the exhaust pipe (Fig. 7) to close. If, on the other hand, the container made of plastic or another material with high melting point, which is only slightly elastic, is the discharge tube 12 by a simple Plug 13/4 (Fig. 8) are closed, which is preferably made of compressible material consists.

Die Ausführungsform der F i g. 9 unterscheidet sich von der in F i g. 1 dargestellten und von der in F i g. 4 dargestellten Variante dadurch, daß die Lanzetten 14 a und 14 6. welche die Vorrichtung im Trichter 3 aufweist, in der Zeichnung mit dem oberen Ende des Röhrchens 15 festverbunden sind, welches in der Tüllenöffnung eingesetzt ist, wobei die Lanzetten und das Röhren ein einziges Metallstück, beispielsweise aus rostfreiem Stahl, darstellen. Nach dem Einschneiden wird die Vorrichtung et-The embodiment of FIG. 9 differs from that in FIG. 1 and from the in F i g. 4 variant shown in that the lancets 14 a and 14 6th which the device in Has funnel 3, are firmly connected in the drawing to the upper end of the tube 15, which is inserted in the nozzle opening, the lancets and the tube being a single piece of metal, for example made of stainless steel. After the incision, the device is et-

was zurückgenommen, wobei sich der Trichter zum Zurückstoßen und zum Wiedergewinnen seiner ursprünglichen Form seines elastischen Teiles bedient. Da die Spitzen der Lanzetten sich höchstens bis zum Niveau des Trichterrandes erstrecken, werden, sobald dieser nicht mehr verformt ist, diese Lanzetten vollständig aus dem Einschnitt zurückgezogen, was geschieht, wenn der Trichter seine Ruhelage wieder einnimmt, so daß es dann möglich ist, das Auffangen des Blutes durchzuführen, ohne daß die Person, der das Blut entnommen werden soll, Unbehagen oder Schmerz verspürt.what is withdrawn, the funnel making use of its elastic part to push back and to regain its original shape. Since the tips of the lancets extend at most to the level of the funnel edge, as soon as it is no longer deformed, these lancets are completely withdrawn from the incision, which happens when the funnel returns to its rest position, so that it is then possible that To perform the collection of blood without the person from whom the blood is being drawn is uncomfortable or painful.

Das aus den Einschnitten austretende Blut fließt zuerst in den Trichter3 der Vorrichtung (Fig. 1) und sodann in deren Behälter 1, wobei es durch dasThe blood emerging from the incisions first flows into the funnel 3 of the device (Fig. 1) and then in its container 1, whereby it is through the

as Röhrchen 6 nach unten läuft und in Abhängigkeit von der Füllung die Luft, welche den Behälter erfüllt, durch die Nut 5 entweicht.The tube 6 runs downwards and depends on the filling, the air which fills the container, escapes through the groove 5.

Es soll jedenfalls gesagt werden, daß die ersten Blutstropfen, die in den Trichter gelangen, nicht imIn any case, it should be said that the first drops of blood to get into the funnel are not in the

Behälter der Vorrichtung gesammelt werden, da sie durch den Tampon aus saugfähigem Material 10 absorbiert werden. Diese ersten Blutstropfen enthalten einen sehr großen Anteil von physiologischer Flüssigkeit, welche aus den subkutanen Zellen stammtContainer of the device are collected as it is absorbed by the tampon of absorbent material 10 will. These first drops of blood contain a very large amount of physiological fluid, which originates from the subcutaneous cells

und vom gesammelten Blut ferngehalten werden muß. Erst wenn also der Tampon 10 mit einer Mischung au- physiologischer Flüssigkeit und Blut genügend imprägniert wurde, wird brauchbares Blut aus dem Finger in den Behälter der Vorrichtung flie-and must be kept away from the collected blood. So only when the tampon 10 with a mixture If the au- physiological fluid and blood have been sufficiently impregnated, it becomes usable blood flow from the finger into the container of the device

ßen. In diesem Zusammenhang ist es interessant festzustellen, daß die Lanzetten der Vorrichtung in sehr großem Maße dieses Einfließen erleichtern, da sie, obwohl sie von der Oberhaut entfernt sind, den Einschnitten, die von ihnen verursacht wurden, direkteat. In this context it is interesting to note that the lancets of the device are very useful facilitate this flow in to a great extent, since, although they are removed from the epidermis, they caused by them, directly

+5 gegenüberliegen, und zwar in einer genügend geringen Entfernung, so daß die erhaltenen Blutströpfchen ihre Spitze berühren und so nach ihrem Abreißen schnell über ihre Oberfläche in Richtung des Röhrchens abfließen. Die Lanzetten der Vorrichtung spielen somit die Rolle von richtigen Sammelvorrichtungen, welche eine unzweckmäßige Verteilung des Blutes im Inneren des Trichters verhindern.+5 opposite, and in a sufficiently low one Removal so that the blood droplets obtained touch their tip and so after they are torn off quickly drain over their surface towards the tube. The device's lancets thus play the role of proper collection devices, which prevent inexpedient distribution of the Prevent blood from getting inside the funnel.

Anschließend an die Blutentnahme kann man den mit Blut gefüllten Behälter in die Hand nehmen undAfter taking the blood, you can take the blood-filled container in your hand and

den ganzen Teil, der am Trichter befestigt ist, entfernen, wonach der Behälter mit einem geeigneten Stopfen so verschlossen werden kann, daß eine Coagulation des gesammelten Blutes verhindert wird; was besonders dann zweckmäßig ist, wenn dieses nicht zur sofortigen Untersuchung bestimmt ist.remove the entire part attached to the funnel, after which the container with a suitable stopper can be closed so that coagulation of the collected blood is prevented; something special is then appropriate if this is not intended for immediate examination.

Hierzu 1 Blatt ZeichnuneenFor this 1 sheet of drawings

Claims (9)

Patentansprüche:Patent claims: 1. Vorrichtung zur perkutanen und digitalen Blutentnahme mit einem rohrförmigen Behälter zur Blutaufnahme, dadurch gekennzeichnet, daß der rohrförmige Behälter (1) an seinem offenen Ende mit einem Trichter (3) abgeschlossen ist, der elastisch nachgiebige Wände (4) besitzt und an seinem vorzugsweise ebenen Grund rings um die Trichteröffnung eine Auflage (10) aus saugfähigem Material aufweist, welche von mindestens einer Schneidlanzette (8 a, Sb, 14 a, 14 b) durchsetzt ist, die in den Tricnterraum vorspringt und höchstens bei zum oberen Rand d°r TrLchterwand (4) reicht.1. A device for percutaneous and digital blood sampling with a tubular container for taking up blood, characterized in that the tubular container (1) is closed at its open end with a funnel (3) which has resilient walls (4) and preferably at its flat base around the funnel opening has a support (10) made of absorbent material, which is penetrated by at least one cutting lancet (8 a, Sb, 14 a, 14 b) which protrudes into the Tricnterraum and at most to the upper edge d ° r Door wall (4) is enough. 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß am Boden des Trichters (3) ein Röhrchen (6, 15) vorgesehen ist, welches sich bis in die Nähe des abgeschlossenen Endes des rohrförmigen Behälters (1) erstreckt.2. Apparatus according to claim 1, characterized in that at the bottom of the funnel (3) a tube (6, 15) is provided, which extends up to the vicinity of the closed end of the tubular container (1) extends. 3. Vorrichtung nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, daß ein Ende des Röhrchens (15) durch die Bodenöffnung des Trichters (3) hindurchgeführt ist und die Lanzette(14a, 14 b) trägt.3. Device according to claims 1 and 2, characterized in that one end of the tube (15) is passed through the bottom opening of the funnel (3) and carries the lancet (14a, 14b). 4. Vorrichtung nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, daß das Röhrchen (6) und der Trichter (3) ein einziges Stück bilden.4. Device according to claims 1 and 2, characterized in that the tube (6) and the funnel (3) form a single piece. 5. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Lanzette (8 a, Sb) mit einer Grundplatte (7) fest verbunden ist, die am Grund des Trichters (3) in einem Lager (4 b) festgehalten ist.5. Apparatus according to claim 1, characterized in that the lancet (8 a, Sb) is firmly connected to a base plate (7) which is held at the bottom of the funnel (3) in a bearing (4 b) . 6. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Trichter (3) luftdicht in den Behälter (1) eingesetzt ist und der Behälter (1) im Grund mindestens ein verschließbares Ausströmrohr (12) aufweist6. Apparatus according to claim 1, characterized in that the funnel (3) is airtight in the container (1) is inserted and the container (1) is basically at least one lockable Has discharge pipe (12) 7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß das Aussirömrohr (12) aus nachgiebigem Material besteht, und mittels eines Ringes (13) aus deformierbarem und nichtelastischem Material verschließbar ist.7. Apparatus according to claim 6, characterized in that the Aussirömrohr (12) from Resilient material, and by means of a ring (13) of deformable and non-elastic Material is lockable. 8. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß das Ausströmrohr (12) mittels eines Stopfens (13 A) verschließbar ist.8. Apparatus according to claim 6, characterized in that the outflow pipe (12) can be closed by means of a plug (13 A) . 9. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß mindestens das Ausströmrohr aus wärmeverschließbarem Material besteht (Fig. 7).9. Apparatus according to claim 6, characterized in that that at least the outflow tube is made of heat-sealable material (Fig. 7).
DE1938871*A 1968-07-26 1969-07-25 Device for percutaneous and dl gital blood collection Expired DE1938871C3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1127268A CH500707A (en) 1968-07-26 1968-07-26 Device for performing percutaneous and digital blood sampling

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DE1938871A1 DE1938871A1 (en) 1970-02-05
DE1938871B2 DE1938871B2 (en) 1973-02-22
DE1938871C3 true DE1938871C3 (en) 1973-09-20

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DE1938871*A Expired DE1938871C3 (en) 1968-07-26 1969-07-25 Device for percutaneous and dl gital blood collection
DE1938870*A Expired DE1938870C3 (en) 1968-07-26 1969-07-25 Device for drawing blood from the fingertip

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DE1938870*A Expired DE1938870C3 (en) 1968-07-26 1969-07-25 Device for drawing blood from the fingertip

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US (1) US3626929A (en)
JP (2) JPS4841633B1 (en)
AT (2) AT292910B (en)
BE (2) BE736573A (en)
CH (1) CH500707A (en)
DE (2) DE1938871C3 (en)
DK (2) DK125730B (en)
FR (2) FR2013819A1 (en)
GB (2) GB1277761A (en)
IL (2) IL32706A (en)
NL (2) NL6909366A (en)
SE (2) SE348931B (en)

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Also Published As

Publication number Publication date
BE736571A (en) 1970-01-26
DE1938870A1 (en) 1970-01-29
IL32706A0 (en) 1969-09-25
FR2013819A1 (en) 1970-04-10
DE1938871A1 (en) 1970-02-05
JPS4841632B1 (en) 1973-12-07
US3626929A (en) 1971-12-14
JPS4841633B1 (en) 1973-12-07
GB1277762A (en) 1972-06-14
DE1938871B2 (en) 1973-02-22
CH500707A (en) 1970-12-31
DE1938870B2 (en) 1973-03-01
DE1938870C3 (en) 1973-09-20
BE736573A (en) 1970-01-26
AT292910B (en) 1971-09-10
NL6911527A (en) 1970-01-28
AT292911B (en) 1971-09-10
IL32707A0 (en) 1969-09-25
GB1277761A (en) 1972-06-14
FR2014735A1 (en) 1970-04-17
SE348931B (en) 1972-09-18
DK125730B (en) 1973-04-30
IL32707A (en) 1972-10-29
DK120714B (en) 1971-07-05
NL6909366A (en) 1970-01-29
SE348932B (en) 1972-09-18
IL32706A (en) 1972-10-29

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