WO2019175272A1 - Réceptacle de fluide médical, servant à régler automatiquement le niveau de fluide - Google Patents

Réceptacle de fluide médical, servant à régler automatiquement le niveau de fluide Download PDF

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Publication number
WO2019175272A1
WO2019175272A1 PCT/EP2019/056331 EP2019056331W WO2019175272A1 WO 2019175272 A1 WO2019175272 A1 WO 2019175272A1 EP 2019056331 W EP2019056331 W EP 2019056331W WO 2019175272 A1 WO2019175272 A1 WO 2019175272A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
chamber
medical
valve
medical fluid
Prior art date
Application number
PCT/EP2019/056331
Other languages
German (de)
English (en)
Inventor
Angelika Bachmann
Dirk Etzdorf
Josef Beden
Original Assignee
Fresenius Medical Care Deutschland Gmbh
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 Fresenius Medical Care Deutschland Gmbh filed Critical Fresenius Medical Care Deutschland Gmbh
Priority to CN201980019510.4A priority Critical patent/CN111867652A/zh
Priority to EP19712921.6A priority patent/EP3765120A1/fr
Publication of WO2019175272A1 publication Critical patent/WO2019175272A1/fr

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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3627—Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/44—Devices worn by the patient for reception of urine, faeces, catamenial or other discharge; Portable urination aids; Colostomy devices
    • A61F5/4404—Details or parts
    • A61F5/4405—Valves or valve arrangements specially adapted therefor ; Fluid inlets or outlets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/44—Devices worn by the patient for reception of urine, faeces, catamenial or other discharge; Portable urination aids; Colostomy devices
    • A61F5/4404—Details or parts
    • A61F5/4407—Closure means other than 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
    • 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
    • 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
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/1411—Drip chambers
    • 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3624—Level detectors; Level control
    • 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3639—Blood pressure control, pressure transducers specially adapted therefor
    • 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/69—Drainage containers not being adapted for subjection to vacuum, e.g. bags
    • 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
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/04—Liquids
    • A61M2202/0496—Urine
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
    • A61M2205/3382—Upper level detectors
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
    • A61M2205/3386—Low level detectors

Definitions

  • the present invention relates to a medical
  • Fluid intake according to claim 1 It also relates to a
  • Drip chambers or bladder traps are used in the medical field. Furthermore, tube systems are known with such Fluidingn, also associated with such tubing medical treatment devices, ie
  • Devices for intracorporeal or extracorporeal treatment of patients or their organs or body fluids such as blood are devices for intracorporeal or extracorporeal treatment of patients or their organs or body fluids such as blood.
  • a further fluid intake of this type for use in the medical field, ie for treating patients or their organs, etc., and / or for receiving fluids that are handled in a medical or medical environment, such as blood. Solutions, etc., to propose.
  • Hose systems and a medical treatment device can be specified.
  • the object of the invention is achieved by a fluid intake with the features of claim 1. It is also solved by an infusion set with the features of Claim 11, a drainage system with the features of
  • the medical fluid intake includes a first one
  • Fluid chamber an inlet and a drain for the first fluid chamber.
  • it has a fluid connection between an interior and an exterior (eg, an environment) of the first fluid chamber or fluid intake, wherein the
  • Fluid connection having a valve.
  • the fluid connection has a membrane which is in or at the fluid connection.
  • the membrane is not provided in or at a portion of the fluid communication which is inside the first fluid chamber
  • the fluid intake according to the invention can be configured as a drip chamber or bubble chamber for receiving a
  • the infusion set according to the invention optionally has
  • At least one connecting device for. B. one
  • the drainage system according to the invention which is designed in particular as a urinary drainage system, comprises at least one collection bag, a supply hose and a
  • the fluid line system according to the invention has at least one fluid line and a medical fluid intake according to the invention.
  • the extracorporeal blood circulation according to the invention has at least one medical fluid intake.
  • the medical treatment device has at least one medical fluid intake and / or at least one infusion set according to the invention and / or at least one drainage system according to the invention and / or at least one fluid line system according to the invention and / or at least one extracorporeal device according to the invention
  • the fluid connection is a conduit, such as a pipe, a hose, or the like.
  • the fluid connection is
  • the valve is arranged to move by rising liquid when it is at a
  • Valve section such as a ball portion, is present, to be opened.
  • the valve is arranged to be closed by gravity.
  • the valve includes at least one
  • the actuation and / or functioning of the valve requires a movable element.
  • the fluid connection of the medical fluid receptacle comprises a valve chamber.
  • the valve is the
  • Fluid intake (eg the environment) by means of
  • Fluid connection in particular depending on the valve position ("open” or “closed”), to allow or prevent.
  • the fluid connection or the valve chamber has or is connected to a conduit section.
  • the line section opens in the first fluid chamber or in the first fluid chamber. In some embodiments, runs or opens the
  • region of the cross section of the first fluid chamber which, starting from an inner wall of the lateral boundary of the first fluid chamber, does not exceed 25% of the diameter of this cross section in the direction of a center of the first fluid chamber
  • Cross section extends.
  • the radially outer region does not extend more than 15% in the direction of
  • the conduit section extends within the first fluid chamber - preferably completely or substantially - straight, d. H. without curvature in its longitudinal direction.
  • the line section extends within the first fluid chamber - preferably completely or substantially - parallel to the inner wall of the
  • the first fluid chamber is at its end associated with the inlet by means of
  • the medical device in some embodiments, the medical
  • the line section opens or ends above the sensor.
  • the valve is or has a membrane.
  • the fluid connection of the medical fluid intake in particular the
  • Line section or the valve chamber a membrane that separates the interior from the outside.
  • the valve includes a
  • buoyant and / or floatable or floatable element buoyant and / or floatable or floatable element.
  • the valve has a first sealing seat and a second sealing seat for the buoyant member.
  • the valve includes or is a float switch.
  • the valve is located outside the interior of the first fluid chamber and / or is not in the interior of the first fluid chamber.
  • the fluid communication does not include a membrane, a filter, and / or a hydrophobic and / or porous element, such as a hydrophobic and / or porous element.
  • End portion of the fluid connection and / or inside the first fluid chamber closed.
  • “Closed off” may be understood here to mean a complete filling of a cross-section of the lumen of the fluid connection, alternatively it may include a closure against liquid passage to be understood; Alternatively, gases may also be allowed to pass through in the "closed” state, in some embodiments, the interior of the first
  • Fluid chamber a membrane, a filter and / or a
  • the valve chamber In some embodiments, the valve chamber, the valve chamber, the valve chamber, and
  • buoyant element optionally a membrane. Both the buoyant element and the membrane can have hydrophobic properties
  • the fluid connection and / or its valve has no elements which would be permeable to gas but not to liquid.
  • the valve is not an element that would be permeable to gas, but not liquid, and / or is not a hydrophobic and / or porous element.
  • the invention in some embodiments, the invention
  • Hemodiafiltration device in particular as a
  • the medical fluid intake according to the invention comprises a sensor system and a
  • the lower inlet end of the z. B. riser pipe section above and / or outside the beam path of the sensor and the corresponding detecting beam path are.
  • One, several or all embodiments according to the invention may include one, several or all of the above and / or in the
  • Fluid level limits over a period of time e.g. B. can be set and maintained over the duration of an entire blood treatment session without the use of machinery.
  • the handling effort around the fluid level (adjustment, monitoring, etc.) can be minimized according to the invention. This is another advantage.
  • Fluid levels in the medical fluid intake can be any suitable fluid levels in the medical fluid intake.
  • Fluid intake is in some of the invention.
  • the monitoring and correction of a fluid level in the medical fluid intake by the user or user in order to avoid treatment interruptions by machine alarms, can be advantageously eliminated.
  • Extracorporeal blood circulation can be determined by measuring the internal chamber pressure of the medical fluid intake by means of an air-filled pressure discharge of the return pressure in the return line and / or changes in the present in the bladder or in the venous bladder chamber fluid level can be determined.
  • a predetermined level of fluid that can be monitored avoids, on the one hand, air infusion into the patient and, on the other hand, a correct one
  • the constant fluid level adjustment by means of the present invention can thus interrupt treatment and / or user actions due to fluid level deviations
  • a membrane may advantageously act as a germ or bacterial barrier to incoming air.
  • FIG. 1 shows a fluid intake according to the invention, designed here as a drip chamber, in a first exemplary embodiment
  • Fig. La shows the drip chamber of Fig. 1 in a phase of its intended use with
  • Fig. Lb shows the drip chamber of Fig. 1 and Fig. La in another phase of its intended use in the moment in which a preset or intended
  • Fig. Lc shows the drip chamber of Fig. 1, Fig. La and
  • FIG. Figure 2 shows the valve chamber from the previous ones
  • FIG. 3 shows an infusion set according to the invention with a fluid intake according to the invention, here by way of example a drip chamber, in one
  • FIG. 4 shows in a greatly simplified manner a medical treatment device according to the invention with a fluid intake according to the invention, designed as a bubble trap.
  • FIG. 1 shows a first embodiment of the fluid intake according to the invention, here configured by way of example as a drip chamber 100.
  • the drip chamber 100 has a first fluid chamber 101, which is connected to an inlet 103 and a drain 105.
  • Inlet 103 and drain 105 serve the fluidic connection of the first fluid chamber 101 with fluid lines, the z. B. part of an extracorporeal blood circulation 300 (see FIG. 4) may be.
  • Inlet 103 and outlet 105 can be designed accordingly as a connection or connecting sections such as plug-in sections, screw sections, bayonet locks, Connectors, luer-lock connectors or the like
  • the inlet 103 is provided in an upper cover of the first fluid chamber 101 or therethrough, e.g. B. in a lid 107 of the drip chamber 100th
  • the drain 105 is in a lower cover of the first fluid chamber 101
  • the drip chamber 100 also has a fluid connection 111. This connects an interior of the first fluid chamber 101 with an exterior of the drip chamber 100, that is to say also the first fluid chamber 101.
  • the fluid connection 111 has a valve, here by way of example a ball section 113 or a ball
  • the fluid connection 111 is on the one hand with a
  • Line section 119 opens inside the first
  • the valve further includes an optional first sealing seat 121 and a second sealing seat 123.
  • the optional first sealing seat 121 is located at the intended location of the drip chamber 100 to use below the second
  • the conduit portion 119 is preferably disposed near the lateral wall of the drip chamber 100 or the first fluid chamber 101.
  • Front section 108 Its position relative to the lid 107, and in particular its radial distance to a center of the lid 107 here also determine its position within the first fluid chamber 101, since the
  • Line section 119 here, preferably completely or substantially, non-curved and, preferably completely or substantially, parallel to the lateral wall of the first fluid chamber 101 extends.
  • the line section 119 can therefore also be referred to as position-coded.
  • conduit portion 119 lies in a (radially-seen) edge region of the first fluid chamber 101. It may even touch, be connected to, or be integral with it in some embodiments.
  • a Insert orientation can be provided. This can be as
  • twist protection designed to be. It may be complementary (eg, as a control) or alternatively designed as a marker 125 that is directed to the user.
  • z. B may be part of the wall of the first fluid chamber 101 or be provided at this or elsewhere. It can indicate to a user where the line section 119 after assembling the
  • the arrangement of the line section 119 within the first fluid chamber 101 may alternatively or in addition to
  • Mark 125 by a limited degree of freedom or rotational degree of freedom of the lid 107 or other portion through which the fluid connection 111 or the line section 119 is guided, be determined.
  • Marking may further indicate to the user how deep the lead portion 119 is into the interior of the first
  • Fluid chamber 101 is to be introduced.
  • the user can check that the mouth of the conduit section 119 is located at the desired height within the first fluid chamber 101.
  • Conduction portion 119 within the fluid chamber 101 can determine how high the liquid level in the first fluid chamber 101 may rise or fall, may or should.
  • Monitoring devices eg. B. sensors 127a, 127b, z. B. configured as LEDs, can be provided to a
  • Monitoring device 127a may be provided a sensor which is arranged and / or configured to above the
  • Fluidsollpegels or a maximum fluid level and report if the fluid level rises too high. He can
  • Monitoring device 127 b may be provided a sensor which is arranged and / or configured to below the
  • the valve may optionally be part of a valve chamber 117, as shown optionally in FIG.
  • the bottom 109 or another portion of the fluid chamber 101 may optionally have a not shown in the figures
  • Filter e.g. B. a blood clot filter and / or a
  • Particle filter having.
  • the illustration of the marking 125 and the monitoring devices 127a and 127b in FIGS. 1a, 1b and 1c is dispensed with.
  • Fig. 1a shows the drip chamber 100 according to the invention of FIG. 1 during its intended use.
  • fluid is supplied to the first fluid chamber 101 of the drip chamber 100 dropwise through the inlet 103. This is indicated by an arrow above the inlet 103.
  • the drop T and the downward arrow inside the first fluid chamber 101 of the drip chamber 100 illustrate the continuous dripping process.
  • Drip operation causes the fluid level or liquid level P inside the first fluid chamber 101 to rise, indicated by an arrow pointing upwards.
  • the ball portion 113 in the valve chamber 117 remains due to its weight on the first (here: lower) sealing seat 121.
  • the air present in the first fluid chamber 101 is displaced by the fluid which drips continuously and can pass through the conduit section 119 of the fluid connection 111 via the valve chamber 117 connected to it from the first
  • Fluid chamber 101 escape to the outside in the environment. This is illustrated by an upward arrow, which adjoins the free end of the valve chamber 117.
  • FIG. 1 b shows the drip chamber 100 according to the invention from FIG. 1 and FIG. 1 a during another phase of its operation
  • Fluid chamber 101 is still supplied dropwise fluid through the inlet 103.
  • the dripping process causes the liquid level P in the interior of the first fluid chamber 101 to rise. Reached the
  • Fluid level P is an intended, preset level in the first fluid chamber 101, which is substantially in the immersion depth of the line section 119 in the
  • Fluid chamber 101 is fixed, the fluid rises in the interior of the conduit portion 119 in the direction of the valve chamber 117 upwards, because in the fluid chamber 101 through the
  • Liquid level P is established in the fluid chamber 101 slightly above the lower edge of the line section 119.
  • Drip chamber 100 can hereby unchanged over the
  • Seal seat 121 lifts off. This is again illustrated by a thin arrow pointing upwards over the valve chamber 117.
  • Fig. 1 c shows the drip chamber 100 according to the invention
  • Valve chamber 117 with the fluid by static buoyancy upwards and is finally pressed by the prevailing (over) pressure on the second (here: upper) sealing seat 123. He closes this fluid-tight. This process is in
  • Fluid level or fluid level in the valve chamber 117 at.
  • valve chamber 117 lying "X" indicates that the valve closes automatically when filling the valve chamber 117. If the valve is closed, the
  • Valve chamber 117 will not be filled, because due to the now building back pressure in the first
  • Fluid chamber 101 remaining reduces the flow of liquid and stops as soon as the hydrostatic pressure of the liquid at the inlet 103, typically generated by gravity on the liquid in the access hose and in a solution bag, equal to the pressure in the
  • Fluid chamber 101 is. By appropriate compression of the remaining air within the fluid chamber 101, the fluid level rises above the opening of the conduit portion 119 addition
  • the process 105 of the drip chamber 100 is, for. B. by
  • Fluid chamber 101 builds up a slight overpressure, whereby the air volume above the liquid level P is slightly compressed.
  • Fig. 2 shows the valve chamber 117 in another
  • valve chamber 117 has here by way of example a round cross section and it tapers conically upwards (the cross section could alternatively also be rectangular). In this case, the compound or the transition forms the
  • Valve chamber 117 with or to its inlet, here the
  • buoyant element or ball section 113 buoyant element or ball section 113.
  • the second sealing seat 123 is characterized by the taper of the
  • Valve chamber 117 determined because the buoyant member 113 closes the valve chamber 117 at the height at which the buoyant member 113 with its circumference contacts the inner wall of the valve chamber 117.
  • This second sealing seat 123 is shown in Fig. 2 by a
  • FIG. 3 shows an infusion set 200 according to the invention with a drip chamber 100 according to the invention in a further embodiment, exemplified here as an access line for a citrate-containing or calcium-containing solution in regional citrate anticoagulation, eg. B. as infusion tube 207th
  • the valve chamber 117 here comprises a membrane 130.
  • This membrane 130 may, for example, have hydrophobic properties.
  • it is permeable to air, but liquid-tight.
  • the valve chamber 117 may be made of a plastic housing
  • hydrophobic membrane is arranged.
  • Line portion 119 may be connected, for example, by circumferential bonding or welding of the membrane with the upper opening edge of the line section 119th
  • the infusion set 200 includes a
  • Connecting device 203 for its connection to a container, not shown, for example, a solution bag.
  • the connecting device 203 may be a piercing, a
  • the infusion set 200 optionally includes a
  • Hose clamp 201 for fluid-tight sealing of the
  • FIG. 4 schematically shows a greatly simplified one
  • Medical treatment device 1000 with a medical fluid intake according to the invention, configured here as a bubble trap 100a.
  • the bladder catcher 100a is in extracorporeal
  • Circuit 300 disposed downstream of a dialyzer or blood filter 1003 and upstream of a venous
  • Extracorporeal blood cycle 300 present gases and thus allows a gas-free circulation back to
  • the bubble trap 100a is connected to the outside via its conduit section 119 and its valve chamber 117, as in the preceding figures.
  • the immersion depth of the conduit section 119 in the first fluid chamber 101 determines the height of the automatically adjusting fluid level P.
  • the technical design of the valve chamber 117 can take into account the special properties of blood (eg viscosity, coagulation, etc.).
  • the blood is returned to the patient via a venous patient line.
  • an optical sensor 1005 and a bubble detector 1006 are arranged here.
  • the extracorporeal blood circulation 300 here also has, for example, an arterial patient line
  • the extracorporeal blood circuit 300 is a supply line for the dialysis fluid 1014
  • This container is optionally also connected or arranged with an optional weighing device 1008 for the purpose of optional balancing. Exemplary here in the
  • Dialysate drain line further arranged a blood leak detector 1011.

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Vascular Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Epidemiology (AREA)
  • Nursing (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Pulmonology (AREA)
  • Cardiology (AREA)
  • External Artificial Organs (AREA)

Abstract

La présente invention concerne un réceptacle de fluide médical, lequel comprend une première chambre de fluide (101), une alimentation (103) pour la première chambre de fluide (101), ainsi qu'une évacuation (105) pour la première chambre de fluide (101). Il comporte en outre un raccord de fluide (111) entre un intérieur et un extérieur de la première chambre de fluide (101) ou du réceptacle de fluide médical, le raccord de fluide (111) comportant une soupape. L'invention concerne par ailleurs un système de tubes et un dispositif de traitement médical (1000).
PCT/EP2019/056331 2018-03-15 2019-03-13 Réceptacle de fluide médical, servant à régler automatiquement le niveau de fluide WO2019175272A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201980019510.4A CN111867652A (zh) 2018-03-15 2019-03-13 被设计用于自动设置流体水平的医用流体容器
EP19712921.6A EP3765120A1 (fr) 2018-03-15 2019-03-13 Réceptacle de fluide médical, servant à régler automatiquement le niveau de fluide

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018106069.6A DE102018106069B3 (de) 2018-03-15 2018-03-15 Medizinische Fluidaufnahme, ausgestaltet zum automatischen Fluidpegelsetzen
DE102018106069.6 2018-03-15

Publications (1)

Publication Number Publication Date
WO2019175272A1 true WO2019175272A1 (fr) 2019-09-19

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Application Number Title Priority Date Filing Date
PCT/EP2019/056331 WO2019175272A1 (fr) 2018-03-15 2019-03-13 Réceptacle de fluide médical, servant à régler automatiquement le niveau de fluide

Country Status (4)

Country Link
EP (1) EP3765120A1 (fr)
CN (1) CN111867652A (fr)
DE (1) DE102018106069B3 (fr)
WO (1) WO2019175272A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110975049A (zh) * 2019-11-18 2020-04-10 湖南宽为医疗科技有限公司 一种滴斗及带有该滴斗的输液器

Citations (4)

* Cited by examiner, † Cited by third party
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