WO2015091070A1 - Système de traitement combiné de blessures par dépression et instillation - Google Patents

Système de traitement combiné de blessures par dépression et instillation Download PDF

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Publication number
WO2015091070A1
WO2015091070A1 PCT/EP2014/076921 EP2014076921W WO2015091070A1 WO 2015091070 A1 WO2015091070 A1 WO 2015091070A1 EP 2014076921 W EP2014076921 W EP 2014076921W WO 2015091070 A1 WO2015091070 A1 WO 2015091070A1
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WO
WIPO (PCT)
Prior art keywords
unit
instillation
housing
interface
vacuum
Prior art date
Application number
PCT/EP2014/076921
Other languages
German (de)
English (en)
Inventor
Pierre Croizat
Axel Eckstein
Original Assignee
Paul Hartmann Ag
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 Paul Hartmann Ag filed Critical Paul Hartmann Ag
Priority to EP14809019.4A priority Critical patent/EP3082891A1/fr
Publication of WO2015091070A1 publication Critical patent/WO2015091070A1/fr

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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
    • A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
    • A61M1/92—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing with liquid supply means
    • 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
    • A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
    • A61M1/96—Suction control thereof

Definitions

  • the invention relates to a system for the combined vacuum and instillation treatment of wounds on the human or animal body, the system comprising a vacuum unit having a first housing, a pump disposed therein for providing negative pressure and a fluid receiving container for receiving body fluids, in particular wound secretions aspirated from a wound, wherein the fluid receptacle is releasably attachable to the first housing, and an instillation unit having a second housing having a peristaltic pump disposed therein and a conduit passage area for at least one incoming conduit portion and at least one outgoing conduit portion.
  • the underwent wound treatment and the treatment of wounds by means of instillation fluids is used, inter alia, for wounds that have a severe healing effect.
  • the treatment of wounds with negative pressure promotes wound healing because the applied negative pressure increases tissue growth rates in the treated area.
  • the term "instillation” is to be understood as meaning the supply of liquid, in particular medicament-containing, media to the wound.
  • Such liquid media may include, for example, solutions, emulsions or suspensions of antibiotics, analgesics or local anesthetics, and are referred to hereinafter as instillative fluids.
  • the object of the present invention is to provide a system which enables the combined treatment of wounds by means of vacuum and instillation treatment on the human or animal body and, in particular, the coordinated use of instillation and negative pressure therapy.
  • a system of the aforementioned type which is characterized in accordance with the invention in that the first housing and the second housing are each separate from one another, and in that the vacuum unit or the instillation unit comprises a control unit for operating the system, which is designed to control both the operation of the vacuum unit and the operation of the instillation unit.
  • separate housings here are meant housing, which are designed such that the vacuum unit and the Instillationshim represent individually manageable units. Due to the separate housing, the vacuum unit and the Instillationsü are also functionally completed, which is to be understood that no parts of the Instillationshow are arranged in the first housing and no parts of the vacuum unit in the second housing.
  • the second housing of the installation unit has an openable and closable cover, via which the line leadthrough area of the instillation unit is accessible.
  • the lines arranged in the line lead-through area can be accessed in a simple manner.
  • the cover is pivotally mounted on the second housing. As a result, a captive arrangement of the cover is realized, while the comfortable access to the line feedthrough area is still guaranteed.
  • the line feedthrough area is designed for at least two incoming line sections and for at least one outgoing line section. It is particularly advantageous if the incoming line sections are brought together in the line feedthrough area and open into the outgoing line section. As a result, two different instillation fluids can be supplied to the line feedthrough area. These can then be supplied, for example, alternately or together via the instillation unit of the wound. If the two incoming line sections are combined in the line feedthrough area, a combined application of the two instillation liquids is possible.
  • each outgoing line section is associated with a peristaltic pump.
  • the two incoming line sections via flow control or control elements are adjustable.
  • these are arranged in the region of the line feedthrough section.
  • the flow control or regulating elements may be in the form of terminals, for example. Alternatively, however, valves or other embodiments are conceivable.
  • a further development of the system according to the invention is characterized in that the peristaltic pump is arranged and designed in the region of the outgoing line section in such a way that, during operation, it acts in a fluid-promoting manner on the outgoing line section.
  • the arrangement of the peristaltic pump in the region of the outgoing line section makes it possible to operate several incoming line sections with only one peristaltic pump.
  • the use of a peristaltic pump offers the advantage of virtually pulsation-free delivery of the instillation fluids, in which even small amounts of instillation fluid can be conveyed continuously. In this case, the ratio of the quantities of the instillation fluids conveyed in the incoming line sections can be adjusted via the above-mentioned flow control or regulating elements.
  • the instillation unit has a sensor which is arranged along a fluid conveying direction in front of the peristaltic pump and is designed to detect when the incoming line section contains no instillation liquid.
  • the sensor is designed such that, as soon as there is no more instillation liquid in the incoming line section, it causes an interruption of the delivery of instillation liquid by the peristaltic pump and the issuing of a warning signal so that new instillation liquid can be provided.
  • the instillation unit comprises a tempering device which is designed for temperature control and / or regulation of instillation liquid to be conveyed.
  • a tempering device which is designed for temperature control and / or regulation of instillation liquid to be conveyed.
  • This may be, for example, a heating element which is arranged in the region of the incoming and / or outgoing line sections of the line lead-through region.
  • a heating element can be operated, for example, with a predetermined power, or the power of the heating element can be regulated according to a signal of a arranged at the outgoing line section temperature sensor. In the latter case, a precise adjustment of the temperature of the instillation liquid in the outgoing line section is possible.
  • the cover limits the line leadthrough area of the instillation unit.
  • the lines arranged in the line bushing area are protected from external influences.
  • the mechanism of a peristaltic pump arranged in the line bushing area can be protected from external influences.
  • the cover is designed to limit the line lead-through area in the closed state and at the same time to guide and / or fix a line section. It is meant by guiding that the position of the line section is at least predetermined by the design of the cover.
  • An example of such a design of the cover is a kind of channel in the cover, in which the line section can be inserted.
  • the conduit portion when opening the cover either remain in the cover so that it is lifted off, or the line section remains when opening the cover in or on the housing. Slippage or misplacement of the line sections arranged in the line leadthrough area is prevented. This increases the reliability of the system according to the invention.
  • the line lead-through region has at least one means which is arranged and designed to fluidically interrupt, in particular disconnect, a line section which can be arranged in the line leadthrough region.
  • Such means may be, for example, one of the above flow control elements.
  • a flow control or -regelemia in the case of a merger of the incoming line sections, the supply of the wound with one of the promoted instillation fluids are interrupted.
  • the system comprises a holder which is positively connected to the first or second housing, preferably snapping, latching or in any other form-fitting manner behind, or by clamping.
  • this holder can then attach the first or second housing of the system in a simple manner, for example on a hospital bed or an IV pole.
  • a clamping mechanism which is arranged on the holder could be used.
  • the first or second housing can be pushed onto the holder by means of a tongue and groove-like connection and engages in the intended arrangement in the holder.
  • the vacuum unit and / or the instillation unit has an interface to the power supply, which is connectable to a complementary interface to the power supply in the holder. It is particularly advantageous if an automatic contact between the above-mentioned interfaces for power supply in the mechanical connection of the first and second housing with the holder comes about.
  • the two interfaces can be designed for power supply such that when joining the first or second housing with the holder automatically creates a contact between the two interfaces for power supply.
  • An embodiment of the system according to the invention is characterized in that the vacuum unit comprises the control unit, and that signals of the control unit via an interface, in particular via an interface for wireless communication, in particular via a Bluetooth interface, are transmitted to the Instillationsaku.
  • This allows the vacuum unit to take on the role of a master component to control the entire system, while the instillation unit acts as a slave component. This allows the entire operation of the system via the vacuum unit to be controlled or controlled.
  • the vacuum unit can have an operating element, preferably in the form of a touch-sensitive display, via which the control unit can be operated.
  • the vacuum unit and the instillation unit are then operated via signals of the control unit. The need for a further operating element on the instillation unit is eliminated.
  • an alternative embodiment is such that the instillation unit comprises the control unit, and that signals of the control unit via an interface, in particular via an interface for wireless communication, in particular via a Bluetooth interface to the vacuum unit can be transmitted.
  • an operating element can be accommodated in the instillation unit, and the need for a control element on the vacuum unit is eliminated. The entire system can then be operated via the operating element on the instillation unit.
  • the operating parameters of the instillation and vacuum unit can be matched to one another. It is particularly advantageous if such an adjustment is made automatically by the control unit, for example, that the operating parameters of the instillation are adjusted when the operation of the vacuum unit is changed or vice versa. For example, it may be advantageous to adapt the power of the vacuum pump in a suitable manner to the delivery rate of the instillation unit or vice versa. If, for example, more instillation fluid is delivered into the wound, it may be advantageous to increase the delivery rate of the vacuum pump in order to convey the introduced instillation fluid from the wound with the wound exudate into the fluid receiving container. Conversely, it can be advantageous if the delivery rate of the instillation unit is correspondingly adjusted or increased when the applied negative pressure or the delivery rate of the vacuum pump is increased.
  • This can be made possible, for example, by fastening devices which cooperate with one another in a complementary manner on both housings.
  • the system according to the invention can advantageously be assembled into a manageable unit.
  • the cover with respect to an operating position of the instillation is not arranged above but laterally or front or rear of the second housing of Instillationsaku. Then several units can be stacked on top of each other and the cover is still accessible.
  • a further advantageous embodiment of the system is characterized in that the vacuum unit comprises the control unit for operating the system, and that the control unit is designed such that it detects the instillation unit, which is connected to the vacuum unit via an interface, and that in the Detection case, the operation of the vacuum unit adapted such that it takes into account the operation of instillation and / or the operation of the instillation unit adapted such that it takes into account operation of the vacuum unit and / or that it starts a hitherto inactive program routine in the detection case, in particular a hitherto inactive program routine starts, which switches a user interface from a first state to a second state, in particular switches hitherto inactive options selectable in the user interface.
  • the instillation unit comprises the control unit for operating the system, and in that the control unit is designed such that it recognizes the vacuum unit which is connected to the instillation unit via an interface, and in that Detection case, the operation of the instillation unit such that it takes into account operation of the vacuum unit, and / or the operation of the vacuum unit adapted such that it takes into account operation of Instillationshim, and / or that it starts a hitherto inactive program routine in the detection case, especially one so far inactive program routine starts, which switches a user interface from a first state to a second state, in particular selects previously inactive options in the user interface selectable.
  • options in the user interface of the unit comprising the control unit can be hidden, as long as no instillation unit or vacuum unit is connected to it and the vacuum unit is operated alone. If the instillation unit or the vacuum unit is connected to the unit comprising the control unit and if the instillation unit or the vacuum unit is recognized as an additional device by the control unit, options which are not selectable beforehand in the user interface which is displayed via a user interface have been, or have not been displayed, switched to selectable, for example, additional options or options to operate the two units.
  • FIG. 1 shows a simplified schematic representation of the system according to the invention
  • FIG. 2 shows a perspective view of a vacuum unit of the system according to the invention
  • FIG. 3 shows a further perspective illustration of the vacuum unit from FIG. 2,
  • FIG. 4 shows a plan view of the vacuum unit from FIGS. 2 and 3
  • FIG. 5 shows a perspective view of an instillation unit of the system according to the invention, which is connected to a holder,
  • FIG. 6 shows a side view of the instillation unit from FIG. 5,
  • FIG. 7 shows a representation of the instillation unit with opened cover corresponding to FIG. 6;
  • FIG. 8 shows a view of a further embodiment with a vacuum unit and instillation unit stacked on one another.
  • FIG. 1 shows a system 10 according to the invention for combined vacuum and instillation treatment of wounds on the human or animal body.
  • the system 10 includes a schematically illustrated first housing 12 of a vacuum unit 14. On the first housing 12, a fluid receptacle 15 is releasably attached.
  • the liquid receiving container 15 contains extracted body fluids 15a.
  • the vacuum unit 14 further comprises a control unit 16. Further, a second housing 17 of an instillation unit 18 is shown schematically.
  • a wound covering 20 is connected via a first connecting line 22 to the vacuum unit 14 and via a second connecting line 24 to the instillation unit 18.
  • An outgoing line section 25 is formed by the part of the connecting line 24 connected to the instillation unit 18.
  • the first connection line 22 is connected to the wound cover 20 by way of example via a first connection device 26.
  • the second connecting line 24 is connected to the wound cover 20 by way of example via a second connecting device 28.
  • the instillation unit 18 is connected via a first incoming line 32 to a first instill liquid container 34 containing a first instill liquid 36 and via a second incoming pipe 38 to a second instill liquid container 40 containing a second instill liquid 42.
  • a fluid conveying direction in this case runs from the containers for instillation fluid 34, 40 to the wound cover 20.
  • An existing interface as a Bluetooth interface 44 is associated with the vacuum unit 14.
  • the instillation unit 18 is assigned an interface 48, which in the present case is a Bluetooth interface corresponding to the interface 44.
  • Signals 50 of the control unit 16 are transmitted by means of the interface 44 of the vacuum unit to the interface 48 of the instillation unit 18 and thus to the instillation unit 18. These signals 50 control the operation of the instillation unit 18.
  • FIGS 2 to 4 show an embodiment of the vacuum unit 14 in detail in various perspective views.
  • the connecting line 22 is connected via a connection point 54 with the liquid receiving container 15 of the vacuum unit 14.
  • the liquid receiving container 15 is exemplified by a snap lock 58 releasably attached to the first housing 12.
  • the fluid receptacle 15 has an engagement recess 62 for gripping the vacuum unit.
  • an operating element 66 is arranged on the first housing 12 of the vacuum unit 14.
  • the operating element 66 is designed in the form of a touch-sensitive screen in this embodiment.
  • About the control element 66 of the control unit 16 operating parameters can be specified.
  • FIGS. 5 to 7 show an exemplary embodiment of the instillation unit 18 in greater detail.
  • the second housing 17 has a cover 70.
  • the cover 70 is openable and closable. In Figure 5 and 6, the cover 70 is shown in the closed state, while the cover 70 is shown in Figure 7 in the open state. When the cover 70 is opened, a leadthrough area 74 is accessible. When closed, the cover 70 limits the leadthrough area 74.
  • the instillation unit 18 has, for example, a sensor 78 which is designed to detect when there is no instillation liquid 36, 42 in the incoming lines 32, 38.
  • a peristaltic pump 82 arranged in the instillation unit 18 is indicated schematically.
  • the second housing 17 is positively connected to a holder 86.
  • a holding device 90 is provided for the connection between the holder 86 and the second housing 17.
  • the holding device 90 has an actuating element 92, via which a snap-engaging connection between the holder 86 and the second housing 17 can be achieved.
  • an electrical line 94 a is provided in the holder 86. Via interfaces, not shown, which are respectively arranged on the holder 86 and the instillation unit 18, the instillation unit 18 is supplied with voltage via the holder 86.
  • the bracket 86 also includes a clip or clamp 96 for mounting to a stand or bed rod.
  • the clip or clamp 96 has an actuator 98 over which the degree of opening of the clip or clamp 96 can be varied.
  • the clamp 96 is adjustable in its orientation to the holder by 90 °.
  • FIG. 8 shows a further variant of the system according to the invention, according to which the first housing 12 of the vacuum unit 14 can be brought into an assembly and holding connection with the second housing 17 of the instillation unit 18, in such a way that the units can be stacked on top of one another.
  • the instillation unit 18 is in the manner described above with the holder 86 in mounting and holding connection.
  • This whole device tower can then in turn be detachably mounted to a stand or a patient bed as previously stated.
  • the cover 70 in the embodiment according to. Figure 8 attached front and can be pivoted as the cover in the other embodiments.
  • operating parameters of the treatment are input via the operating element 66.
  • the inputs are processed by the control unit 16. Since the control unit 16 is presently integrated in the vacuum unit 14, the operating parameters for the vacuum unit 14 are directly available.
  • the operating parameters and control signals for the instillation unit 18 are sent by the control unit 16 to the instillation unit 18 via the interface 44.
  • the instillation unit 18 receives the signals 50 via the interface 48.
  • the control unit 16 determines the operating parameters and control signals of the vacuum unit 14 and the instillation unit 18 such that the operation of the vacuum unit 14 and the instillation unit 18 is coordinated. In this case, in particular, the negative pressure applied to the wound via the connection line 22 and the delivery rates of the first instillation liquid 36 and / or the second instillation liquid 42 are adapted to the desired operating parameters.
  • the first instillation liquid 36 and the second instillation liquid 42 are supplied to the peristaltic pump 82 contained in the instillation unit 18.
  • the peristaltic pump 82 then conveys the aspirated instillation fluids 36, 42 via the outgoing line section 25 into the second connection line 24 in the direction of the wound cover 20 and the wound.
  • the instillation fluids 36, 42 are aspirated via the connection line 22 by means of the vacuum unit 14, together with bodily fluids 15a, in particular wound secretions, exiting in the wound.
  • the extracted body fluid 15 a is collected in the negative pressure unit 14 in the liquid receiving container 15 which is detachably attached to the housing 12 of the negative pressure unit 14.

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (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)
  • External Artificial Organs (AREA)

Abstract

L'invention concerne un système (10) de traitement combiné de blessures, par dépression et instillation, sur le corps humain ou animal, le système (10) comprenant une unité de dépression (14) comportant un premier boîtier (12), une pompe disposée à l'intérieur et servant à produire une dépression et un récipient de réception de liquides (15) servant à recevoir des liquides corporels (15a), notamment des sécrétions aspirées au niveau d'une blessure, le récipient de réception de liquides (15) pouvant être fixé de manière amovible au premier boîtier (12), et une unité d'instillation (18) comportant un second boîtier (17), une pompe péristaltique (82) disposée à l'intérieur et une zone de passage de conduit (74) servant à au moins un conduit entrant (32, 38) et à au moins une partie de conduit sortant (25). L'invention est caractérisée en ce que le premier boîtier (12) et le second boîtier (17) sont des boîtiers séparés l'un de l'autre et en ce que l'unité de dépression (14) ou l'unité d'instillation (18) comprend une unité de commande (16) servant à actionner le système (10) qui est adapté pour commander à la fois le fonctionnement de l'unité de dépression (14) et également le fonctionnement de l'unité d'instillation (18).
PCT/EP2014/076921 2013-12-19 2014-12-08 Système de traitement combiné de blessures par dépression et instillation WO2015091070A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14809019.4A EP3082891A1 (fr) 2013-12-19 2014-12-08 Système de traitement combiné de blessures par dépression et instillation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013226708.8 2013-12-19
DE102013226708.8A DE102013226708A1 (de) 2013-12-19 2013-12-19 System zur kombinierten Unterdruck- und Instillationsbehandlung von Wunden

Publications (1)

Publication Number Publication Date
WO2015091070A1 true WO2015091070A1 (fr) 2015-06-25

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DE (1) DE102013226708A1 (fr)
WO (1) WO2015091070A1 (fr)

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WO2018054834A1 (fr) 2016-09-20 2018-03-29 Medela Holding Ag Dispositif pour aspirer des fluides organiques et pour amener une substance
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US11565134B2 (en) 2010-10-12 2023-01-31 Smith & Nephew, Inc. Medical device
US10639502B2 (en) 2010-10-12 2020-05-05 Smith & Nephew, Inc. Medical device
US10086216B2 (en) 2010-10-12 2018-10-02 Smith & Nephew, Inc. Medical device
USD818581S1 (en) 2013-03-14 2018-05-22 Smith & Nephew, Inc. Attachment for securing a therapy device
US12002566B2 (en) 2013-03-14 2024-06-04 Smith & Nephew, Inc. Attachment system for mounting apparatus
US11633533B2 (en) 2013-03-14 2023-04-25 Smith & Nephew, Inc. Control architecture for reduced pressure wound therapy apparatus
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DE102013226708A1 (de) 2015-06-25

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