DE632579C - Device for injecting several agents into the blood vessels - Google Patents
Device for injecting several agents into the blood vesselsInfo
- Publication number
- DE632579C DE632579C DEB163391D DEB0163391D DE632579C DE 632579 C DE632579 C DE 632579C DE B163391 D DEB163391 D DE B163391D DE B0163391 D DEB0163391 D DE B0163391D DE 632579 C DE632579 C DE 632579C
- Authority
- DE
- Germany
- Prior art keywords
- syringe
- injection needle
- several agents
- blood vessels
- injection
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/19—Syringes having more than one chamber, e.g. including a manifold coupling two parallelly aligned syringes through separate channels to a common discharge assembly
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M2005/1787—Syringes for sequential delivery of fluids, e.g. first medicament and then flushing liquid
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/223—Multiway valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
Vorrichtung zum Einspritzen von mehreren Mitteln in die Blutgefäße Die Erfindung betrifft eine Vorrichtung zum Einspritzen von mehreren Mitteln in die Blutgefäße, insbesondere für die Injektionsnarkose. Es sind bereits Injektionsvorrichtungen bekannt, bei welchen das Einspritzen von mehreren Flüssigkeiten in beliebigen Mengen und in beliebiger Reihenfolge, gegebenenfalls auch wiederholt, in die Venen des menschlichen Körpers oder in andere Teile desselben möglich ist, ohne daß die Injektionsnadel während der Behandlung von der Einführungsstelle herausgezogen' werden müßte.Device for injecting several agents into the blood vessels The invention relates to a device for injecting several agents into the blood vessels, especially for injection anesthesia. There are already injection devices known in which the injection of several liquids in any amount and in any order, possibly also repeatedly, into the veins of the human body or other parts of the same without the hypodermic needle would have to be withdrawn from the insertion site during treatment.
Diese Vorrichtungen sind zwar zur zweckmäßigen, leichten und sicheren Durchführung von verschiedenen ärztlichen Einwirkungen geeignet. So z. B. kann .der Kranke vor und während einer Operation durch Einspritzen eines Narkosemittels narkotisiertwerden, und wenn die Wirkung des. Mittels während der Operation nachläßt, kann eine weitere Menge des Mittels nachgespritzt werden, ohne daß dadurch der Gang der Operation gestört werden müßte.These devices are designed to be convenient, easy, and safe Suitable for carrying out various medical actions. So z. B. can .the Sick people are anesthetized by injecting an anesthetic before and during an operation, and if the effect of the remedy wears off during the operation, another one can be used Amount of the agent can be re-injected without interrupting the operation would have to be disturbed.
Zur Aufrechterhaltung der Narkose kann dem schlafenden Kranken eine verdünnte Lösung des. Narkotisiermittels verabreicht werden, ohne die Nadel aus der Vene entfernen zu müssen, was dadurch ermöglicht ist, daß diese Vorrichtungen einen Mehrwegehahn besitzen, mittels welchem zwei in der Vorrichtung vorgesehene Spritzen wahlweise mit der Injektionsnadel verbunden werden können. Gemäß der Erfindung besitzt der Mehrwegehahn noch eine Bohrung, durch welche es möglich ist, die Spritzenzylinder unter Abschluß der Injektionsnadel und der Zuführungsleitung vom Vorratsgefäß miteinander zu verbinden, wodurch es möglich wird, das in der einen Spritze befindliche Mittel, z. B. ein Narkotisiermittel, durch Eindrücken von destilliertem Wasser aus der anderen Spritze sofort je nach Gebrauch zu verdünnen, ohne hierzu den an sich bekannten, von den Spritzen unabhängigen Anschlußzapfen in Anspruch nehmen zu müssen, wodurch die I\Tarkose in Verbindung mit einer Bluttransfusion aufrechterhalten werden kann.To maintain the anesthesia, the sleeping patient can use a Dilute solution of the anesthetic can be administered without removing the needle of having to remove the vein, which is made possible by these devices have a multi-way tap, by means of which two provided in the device Syringes can optionally be connected to the injection needle. According to the invention the multiway stopcock also has a hole through which it is possible to open the syringe cylinder with the termination of the injection needle and the supply line from the storage vessel with one another to connect, which makes it possible to use the agent in one syringe, z. B. an anesthetic, by forcing distilled water from the other To dilute the syringe immediately depending on use, without doing the known, To have to take independent connection pin from the syringes, whereby the narcosis can be maintained in conjunction with a blood transfusion.
In der Zeichnung ist ein Ausführungsbeispiel der Erfindung schematisch dargestellt. Abb. r ist eine Draufsicht, Abb. 2 eine Seitenansicht und Abb. 3 ein Querschnitt nach der Linie III-III in Abb. r der Vorrichtung. Die Abb. 4 bis 9 zeigen Horizontalschnitte eines Regelhahnes der Vorrichtung in verschiedenen Stellungen in größerem Maßstab Die Vorrichtung besteht aus einer Grundplatte i, die mittels eines Gurts 2 an dem ber: treffenden. Körperteil des Kranken, z. B. äii! Unterarm, befestigt werden kann. Andef@ Grundplatte sind Federn 3, 4, 5, 6 befes @tr zwischen welche zwei Spritzen 7, 8 eingelegt werden können. Die Federn sind oben offen, so daß die Spritzen aus den Federn leicht herausgehoben und: in dieselben eingelegt werden können. Die .Mundstücke 9 und io der Spritzen sind mittels Gummischläuche i i, 12 an den Regelhahn 13. angeschlossen. Der Regelhahn ist, in einem an der Grundplatte i befindlichen, oben offenen Zylinder 14 eingesetzt und daselbst mittels einer Druckschraube 15 befestigt. In dieser Weise kann der Regelhahn leicht herausgenommen und zur Grundplatte in verschiedenen Höhen eingestellt und verdreht werden, was die Einstellung der Vorrichtung .zur Lage ,der Vene sehr erleichtert. Die Injektionsnadel 16 steht mit dem Regelhahn durch einen mit ZwischenstÜck 17 versehenen Gummischlauch 18 in Verbindung. Die Anordnung des Regelhahnes ist in den Abb. 4 bis. 9 erläutert. Der Regelhahn ist mit vier Ansätzen 1g, 2o, 21 und 22 versehen; an den Ansatz i9 ist der Gummischlauch i i der Spritze 7 und an den Ansatz 2o der Gummischlauch 12 der Spritze 8 anzuschließen. An den Ansatz 22 wird der Gummischlauch 18 der Injektionsnadel angeschlossen. Der Ansatz 21 des Regelhahnes dient zum Einsspritzen. einer größeren Menge von Flüssigkeit in, die Vene. Das Küken 23 des. Regelhahnes, das mittels des Griffes 24 drehbar ist, besitzt drei Bohrungen 25, 26 und 27, mittels welchen bei dem in der Zeichnung dargestellten Ausführungsbeispiel nachstehende Verbindungen hergestellt -werden können: Die Injelctionsna;del-kann mit dem Ansatz 21 verbunden werden (Abb. 4), die Injektionsna4el kann mit der Spritze 8 in Verbindunggebracht-werden (Abb.5), die Injektiflnsnadel kann; mit der Spritze 7 in Verhindung gebracht werden (Abb. 6), derAnsatz 2 t kann mit der Spritze 8 in Verbindung gebracht werden (Abb. 7), die Spritzen 7 und 8 können miteinanderverbundenwerden (Abb.8) und- schließlich können sämtliche Leitungen abgesperrt werden (Abh.9).An exemplary embodiment of the invention is shown schematically in the drawing shown. Fig. R is a plan view, Fig. 2 is a side view, and Fig. 3 is a Cross-section along the line III-III in Fig. R of the device. Figs. 4 to 9 show Horizontal sections of a control valve of the device in different positions on a larger scale The device consists of a base plate i, which by means of a belt 2 on the over: Part of the patient's body, e.g. B. äii! Forearm, can be attached. Andef @ base plate are springs 3, 4, 5, 6 befes @tr between which two syringes 7, 8 can be inserted. The feathers are open at the top so that the syringes are easily lifted out of the springs and: in the same can be inserted. The mouthpieces 9 and io of the syringes are by means of Rubber hoses i i, 12 connected to the control valve 13. The control valve is in a cylinder 14, which is open at the top and located on the base plate i, is inserted and fastened there by means of a pressure screw 15. In this way the control valve Easily removed and adjusted to the base plate at different heights and twisted, which makes it easier to adjust the device to the position of the vein. The injection needle 16 is connected to the control valve through an intermediate piece 17 provided rubber hose 18 in connection. The arrangement of the control valve is in Fig. 4 to. 9 explained. The control valve has four lugs 1g, 2o, 21 and 22 provided; to the approach i9 is the rubber hose i i of the syringe 7 and to the Approach 2o to connect the rubber hose 12 of the syringe 8. At the approach 22 is the rubber hose 18 of the injection needle is connected. The approach 21 of the control valve is used for injection. a larger amount of fluid in that vein. The chick 23 of the control valve, which can be rotated by means of the handle 24, has three bores 25, 26 and 27, by means of which in the embodiment shown in the drawing The following compounds can be established: Die Injelctionsna; del- can can be connected to the attachment 21 (Fig. 4), the injection needle can be connected to the syringe 8 (Fig.5), the injection needle can; with the syringe 7 (Fig. 6), the attachment 2 t can be brought into contact with the syringe 8 in Connected (Fig. 7), the syringes 7 and 8 can be connected to each other (Fig.8) and finally all lines can be shut off (Fig.9).
Nachstehend wird die Benutzung und Arbeitsweise der Vorrichtung bei einer Operation beschrieben, bei welcher der Kranke narkotisiert wird; und gleichzeitig eine Bluttransfusion erforderlich ist. Die Spritze 8 wird mit destilliertem Wasser und die Spritze 7 mit dem Narkotisiermittel gefüllt, worauf die Spritzen zwischen die Federn .der am Arm des Kranken befestigten, Vorrichtung eingelegt werden und, mit ,der; Schläuchen i i, 12 in Verbindung gebracht werden. Nachdem die Luft aus der Vorrichtung vollkommen verdrängt wurde, wird,die Injektionsnadel in die Vene eingeführt und aus der Spritze ; das Narkotisiermittel eingespritzt. Sobald der Kranke schläft, wird das Einspritzen des Narkotisiermittels unterbrochen. Hierauf wird aus der Spritze 8 ein wenig destilliertes Wasser in die Vene gedrückt, um die Nadel durchzuspülen.The use and operation of the device is described below at an operation described in which the patient is anesthetized; and at the same time a blood transfusion is required. The syringe 8 is filled with distilled water and the syringe 7 is filled with the anesthetic agent, whereupon the syringes between the springs of the device attached to the patient's arm are inserted and, with the; Hoses i i, 12 are connected. After the air is out When the device is completely displaced, the injection needle is inserted into the vein inserted and out of the syringe; injected the anesthetic. Once the If the patient is asleep, the anesthetic injection is interrupted. On that a little distilled water is pressed into the vein from the syringe 8 in order to remove the Flush the needle.
Ist während der Operation eine Bluttransfusion erforderlich, so wird die Druckpumpe der Transfusionseinrichtung an den Ansatz 21 angeschlossen, worauf das erforderliche Blut durch die Injektionsnadel in die Vene gedrückt wird.If a blood transfusion is required during the operation, will the pressure pump of the transfusion device is connected to the extension 21, whereupon the required blood is pushed into the vein through the injection needle.
Zur Aufrechterhaltung der Narkose ist bekanntlich eine schwächere Lösung des Narkotisiermittels erforderlich. Zur Verdünnung des Mittels werden die beiden Spritzen durch Einstellen des Hahnes nach Abb.8 miteinander verbunden, worauf aus der Spritze 8 destilliertes Wasser in der geeigneten Menge in die Spritze 7 gedrückt wird. Das so in der Spritze 7 verdünnte Mittel kann sodann durch geeignetes Umstellen des Hahnes in die Blutwege gespritzt werden.To maintain the anesthesia is known to be a weaker one Anesthetic solution required. To dilute the agent, the both syringes are connected to one another by adjusting the stopcock as shown in Fig. 8, whereupon From the syringe 8 distilled water in the appropriate amount into the syringe 7 is pressed. The so diluted in the syringe 7 agent can then by suitable Moving the stopcock to be injected into the bloodstream.
Der Griff 24 -des Regelhaines wird bei diesen Behandlungen stets in die entsprechende Lage gestellt, um die erforderlichen Verbindungen zwischen der Injektionsnadel und den betreffenden Spritzen bzw. der Druckpumpe herzustellen. Um die Stellungen des Hahnkükens von außen erkennbar zu machen, sind an der Außenfläche des Hahnes 13 Zeichen angebracht, auf welche der Griff 24 zu stellen ist, um die erforderlichen Verbindungen herzustellen. Der Griff 24 kann auch mit einem federnden. Schnapper versehen werden, d. h. in an sich bekannter Weise so angeordnet werden, daß der Griff in den verschiedenen Stellungen federnd einschnappt, was den Griff gegen zufälliges Verdrehen sichert. Bei der beschriebenen Operation waren bloß die in .den Abb. 4, 5, 6 und 8 dargestellten! Lagen des Regelhahnes erforderlich. Inn der Stellung nach Abb.7 wird der Ansatz 21 mit dem Hahn 8 verbunden, wenn z. B. während der Operation ein weiteres. Mittel in die Spritze einzusaugen und zu verabreichen ist, z. B. ein herzstärkendes Mittel, ein atembeförderndes Mittel u. d'gl.The handle 24 of the rule grove is always in put the appropriate location to make the necessary connections between the Manufacture injection needle and the relevant syringes or the pressure pump. In order to make the position of the cock plug recognizable from the outside, are on the outer surface of the tap 13 signs attached, on which the handle 24 is to be placed to the necessary connections. The handle 24 can also have a resilient. Catches are provided, d. H. be arranged in a manner known per se, that the handle snaps resiliently in the various positions, which the handle secures against accidental twisting. In the operation described, there were only those shown in Figs. 4, 5, 6 and 8! Position of the control valve required. Inn the position according to Fig.7, the approach 21 is connected to the valve 8, if z. B. another during the operation. Aspirate agent into syringe and administer is e.g. B. a heart tonic, a breath-promoting agent and the like.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB163391D DE632579C (en) | 1933-12-05 | 1933-12-05 | Device for injecting several agents into the blood vessels |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB163391D DE632579C (en) | 1933-12-05 | 1933-12-05 | Device for injecting several agents into the blood vessels |
Publications (1)
Publication Number | Publication Date |
---|---|
DE632579C true DE632579C (en) | 1936-09-09 |
Family
ID=7004972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEB163391D Expired DE632579C (en) | 1933-12-05 | 1933-12-05 | Device for injecting several agents into the blood vessels |
Country Status (1)
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DE (1) | DE632579C (en) |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2449882A (en) * | 1947-02-08 | 1948-09-21 | Amy J Daniels | Holder for intravenous apparatus |
US2496559A (en) * | 1945-09-17 | 1950-02-07 | Piechaczek Alojzy | Surgical and medical syringes |
DE1077828B (en) * | 1958-07-25 | 1960-03-17 | Dr Med Helmut S Regelsberger | Device for the continuous supply of oxygen or physiological saline solution into the venous system of the human or animal body |
US3157201A (en) * | 1962-04-12 | 1964-11-17 | Cardiosonics Medical Instr Com | Fluid exchange valve |
EP0212798A1 (en) * | 1985-06-24 | 1987-03-04 | Joanne L. Pizzino | Dual syringe |
EP0217546A1 (en) * | 1985-09-03 | 1987-04-08 | Joanne L. Pizzino | Dual syringe for either simultaneous or sequential injection of liquids |
WO1998010703A1 (en) * | 1996-09-10 | 1998-03-19 | Omrix Biopharmaceuticals S.A. | Applicator device for applying a multiple component fluid |
JP2002523148A (en) * | 1998-08-18 | 2002-07-30 | バクスター・インターナショナル・インコーポレイテッド | Sealant applicator tip and application method |
WO2005018831A1 (en) * | 2003-08-21 | 2005-03-03 | Mixpac Systems Ag | Device and method for transferring, mixing and delivering components |
US7077339B2 (en) | 2003-02-03 | 2006-07-18 | Biomet, Inc. | Spray applicator |
WO2006124634A1 (en) * | 2005-05-16 | 2006-11-23 | Mallinckrodt Inc. | Multi-barrel syringe having integral manifold |
WO2005018830A3 (en) * | 2003-08-21 | 2007-11-29 | Mixpac Systems Ag | Device and method for the storage, mixing and dispensing of components |
US7766900B2 (en) | 2005-02-21 | 2010-08-03 | Biomet Manufacturing Corp. | Method and apparatus for application of a fluid |
US8182769B2 (en) | 2008-04-04 | 2012-05-22 | Biomet Biologics, Llc | Clean transportation system |
US8518272B2 (en) | 2008-04-04 | 2013-08-27 | Biomet Biologics, Llc | Sterile blood separating system |
CN104225727A (en) * | 2014-10-16 | 2014-12-24 | 杭州美中疾病基因研究院有限公司 | Integrated Y type three-way medical injector |
WO2016151170A1 (en) * | 2015-03-20 | 2016-09-29 | Servicio Andaluz De Salud | Valve for blood extractions |
WO2016189462A1 (en) * | 2015-05-25 | 2016-12-01 | Alessandro Tessarin | Fluid flow switching device for catheterization with a three way bladder catheter |
-
1933
- 1933-12-05 DE DEB163391D patent/DE632579C/en not_active Expired
Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2496559A (en) * | 1945-09-17 | 1950-02-07 | Piechaczek Alojzy | Surgical and medical syringes |
US2449882A (en) * | 1947-02-08 | 1948-09-21 | Amy J Daniels | Holder for intravenous apparatus |
DE1077828B (en) * | 1958-07-25 | 1960-03-17 | Dr Med Helmut S Regelsberger | Device for the continuous supply of oxygen or physiological saline solution into the venous system of the human or animal body |
US3157201A (en) * | 1962-04-12 | 1964-11-17 | Cardiosonics Medical Instr Com | Fluid exchange valve |
EP0212798A1 (en) * | 1985-06-24 | 1987-03-04 | Joanne L. Pizzino | Dual syringe |
EP0217546A1 (en) * | 1985-09-03 | 1987-04-08 | Joanne L. Pizzino | Dual syringe for either simultaneous or sequential injection of liquids |
WO1998010703A1 (en) * | 1996-09-10 | 1998-03-19 | Omrix Biopharmaceuticals S.A. | Applicator device for applying a multiple component fluid |
US6113571A (en) * | 1996-09-10 | 2000-09-05 | Omrix Biopharmaceuticals S.A. | Applicator device for applying a multiple component fluid |
JP2002523148A (en) * | 1998-08-18 | 2002-07-30 | バクスター・インターナショナル・インコーポレイテッド | Sealant applicator tip and application method |
US7077339B2 (en) | 2003-02-03 | 2006-07-18 | Biomet, Inc. | Spray applicator |
US7736049B2 (en) | 2003-08-21 | 2010-06-15 | Medmix Systems Ag | Device and method for the storage mixing and dispensing components |
WO2005018830A3 (en) * | 2003-08-21 | 2007-11-29 | Mixpac Systems Ag | Device and method for the storage, mixing and dispensing of components |
CN100459944C (en) * | 2003-08-21 | 2009-02-11 | 药物混合系统股份公司 | Device and method for transferring, mixing and delivering components |
WO2005018831A1 (en) * | 2003-08-21 | 2005-03-03 | Mixpac Systems Ag | Device and method for transferring, mixing and delivering components |
US7766900B2 (en) | 2005-02-21 | 2010-08-03 | Biomet Manufacturing Corp. | Method and apparatus for application of a fluid |
US8444620B2 (en) | 2005-02-21 | 2013-05-21 | Biomet Biologics, Llc | Method and apparatus for application of a fluid |
US9028457B2 (en) | 2005-02-21 | 2015-05-12 | Biomet Biologics, Llc | Method and apparatus for application of a fluid |
WO2006124634A1 (en) * | 2005-05-16 | 2006-11-23 | Mallinckrodt Inc. | Multi-barrel syringe having integral manifold |
US9211487B2 (en) | 2008-04-04 | 2015-12-15 | Biomet Biologics, Llc | Sterile blood separating system |
US8182769B2 (en) | 2008-04-04 | 2012-05-22 | Biomet Biologics, Llc | Clean transportation system |
US8518272B2 (en) | 2008-04-04 | 2013-08-27 | Biomet Biologics, Llc | Sterile blood separating system |
CN104225727A (en) * | 2014-10-16 | 2014-12-24 | 杭州美中疾病基因研究院有限公司 | Integrated Y type three-way medical injector |
CN104225727B (en) * | 2014-10-16 | 2017-10-27 | 杭州美中疾病基因研究院有限公司 | A kind of integrated Y-type three way type injector for medical purpose |
WO2016151170A1 (en) * | 2015-03-20 | 2016-09-29 | Servicio Andaluz De Salud | Valve for blood extractions |
WO2016189462A1 (en) * | 2015-05-25 | 2016-12-01 | Alessandro Tessarin | Fluid flow switching device for catheterization with a three way bladder catheter |
CN107889467A (en) * | 2015-05-25 | 2018-04-06 | 安德里亚·奇亚帕蒂 | With three-way bladder catheter, fluid flow switch device for catheterization |
AU2016267792B2 (en) * | 2015-05-25 | 2020-06-18 | Chiapatti, Andrea | Fluid flow switching device for catheterization with a three way bladder catheter |
US10773070B2 (en) | 2015-05-25 | 2020-09-15 | Andrea CHIAPATTI | Fluid flow switching device for catheterization with a three way bladder catheter |
CN107889467B (en) * | 2015-05-25 | 2021-04-06 | 安德里亚·奇亚帕蒂 | Fluid flow switching device with three-way bladder catheter for catheterization |
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