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WO2017135192A1 - Poche de drainage et système d'aspiration - Google Patents

Poche de drainage et système d'aspiration Download PDF

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Publication number
WO2017135192A1
WO2017135192A1 PCT/JP2017/003181 JP2017003181W WO2017135192A1 WO 2017135192 A1 WO2017135192 A1 WO 2017135192A1 JP 2017003181 W JP2017003181 W JP 2017003181W WO 2017135192 A1 WO2017135192 A1 WO 2017135192A1
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WO
WIPO (PCT)
Prior art keywords
suction
drainage bag
absorbing material
exhaust port
water absorbing
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.)
Ceased
Application number
PCT/JP2017/003181
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English (en)
Japanese (ja)
Inventor
剛伸 前田
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Priority to JP2017565534A priority Critical patent/JP6519666B2/ja
Publication of WO2017135192A1 publication Critical patent/WO2017135192A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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

Definitions

  • the present invention relates to a drainage bag and a suction system.
  • “Cuffed tracheal tube” may be used to prevent gas leakage and aspiration during artificial respiration. Further, in order to suck the secretions stored in the upper part of the cuff, a “tracheal tube with a cuff upper suction lumen” having a suction pipe (suction lumen) may be used.
  • a low-pressure suction discharge for medical use disclosed in a general-purpose low-pressure continuous suction device used in medical institutions (for example, Patent Document 1 (Japanese Patent Laid-Open No. 11-226115)).
  • the main components of this low-pressure continuous aspirator are a container (mainly a molded product such as a hard plastic material) that collects drainage, an electric pump that generates negative pressure, and a plurality of connections that connect them. .
  • Patent Document 2 Japanese Patent Laid-Open No. 2013-169414 discloses a storage provided with a drainage absorbing material that absorbs drainage and gels. A container is disclosed. However, this storage container has only an inlet (introduction port) for allowing the biological drainage to flow into the flexible container, and can be used to collect the biological drainage discharged from the body such as urine. It is what is used. Since this storage container does not have a suction port, it cannot be connected to a suction device, and cannot be used for sucking biological drainage that is not discharged by itself, such as secretions accumulated in the upper part of the cuff.
  • the drainage container used in the low-pressure continuous suction device as described above is formed of a hard material so as not to be crushed by the negative pressure generated by the pump. In addition, it usually has a large volume so that it can be used in a wide range of applications. Furthermore, the drainage container is generally disposable because it causes sanitary problems such as bad odor due to breeding of various germs when it is repeatedly used, and is discarded after each use.
  • an object of the present invention is to provide a drainage container (drainage bag) that can reduce storage space.
  • a flexible container having an inlet and an outlet; A water absorbing material, A filter that does not allow the water absorbing material to pass therethrough; A drainage bag comprising: The water absorbing material and the filter are housed inside the flexible container, The drainage bag according to claim 1, wherein the filter is disposed between the inflow port and the exhaust port in a plan view. [2] In plan view, the inflow port and the water absorbing material are arranged so as to overlap, The filter according to [1], wherein the filter is disposed between the inflow port and the water absorbing material and includes a portion where the inflow port and the water absorbing material overlap in a plan view. Drainage bag.
  • the exhaust port and the water absorbing material are arranged to overlap, [1] or [2]
  • the filter is disposed between the exhaust port and the water absorbing material and includes a portion where the exhaust port and the water absorbing material overlap in a plan view.
  • the water absorbing material includes a holding member, and the water absorbent polymer is held by the holding member.
  • the drainage bag according to any one of [1] to [5] further comprising a hydrophobic filter covering the exhaust port.
  • a connecting member is provided at the exhaust port for connecting the exhaust port to a suction device,
  • a suction module having a suction pump connected to the exhaust port of the drainage bag;
  • a suction system comprising.
  • the suction system according to [10] wherein the suction pump is a piezoelectric pump.
  • suction system according to [10] or [11], wherein the suction module includes a control unit that can be controlled to intermittently drive the suction pump.
  • suction system according to any one of [10] to [12], further comprising a tracheal tube having a cuff and a suction channel.
  • a drainage container capable of reducing storage space.
  • FIG. (A) is a top view
  • (b) is a sectional view. It is a figure showing roughly the composition of the suction system of Embodiment 1.
  • (A) is a top view
  • (b) is a sectional view.
  • (A) is a cross-sectional enlarged view schematically showing the configuration of the suction module.
  • (B) is a cross-sectional enlarged view schematically showing the configuration of the connecting member.
  • FIG. (A) is a top view
  • (b) is a sectional view.
  • (A) is a schematic diagram which shows an example of a cuffed tracheal tube.
  • (B) is a schematic diagram showing an enlarged AA cross section of the tracheal tube shown in (a).
  • (C) is a schematic diagram which shows a mode that the tracheal tube was inserted in the trachea from the oral cavity. It is sectional drawing which shows the structure of the piezoelectric pump used for the suction system of Embodiment 1. It is a figure which shows schematically the structure of a modification about the drainage bag of Embodiment 1.
  • FIG. (A) is a top view
  • (b) is a sectional view.
  • FIG. (A) is a top view
  • (b) is a sectional view. It is sectional drawing which shows schematically the structure of a modification about the drainage bag of Embodiment 2.
  • FIG. (A) is a top view
  • (b) is a sectional view. It is sectional drawing which shows schematically the structure of a modification about the drainage bag of Embodiment 2.
  • the drainage bag 1 includes a flexible container 11, a water absorbing material 15, and a filter 14. Drained liquid (suctioned secretion etc.) is stored in the interior 11 a of the flexible container 11 while being held by the water absorbing material 15.
  • the material of the flexible container 11 is not particularly limited, but is formed of a flexible material that can reduce (crush) the volume of the interior 11a before use.
  • a material for the flexible container for example, polyethylene, polypropylene, or the like can be used.
  • the drainage bag before use (before absorbing the drainage) is thin and almost flat, so when storing a large number of drainage bags before use, the storage space can be greatly reduced. Can do.
  • the initial internal volume of the container is small, there are also advantages that the time required for the inside of the container to become negative pressure is short and the power consumption is small.
  • the shape of the flexible container 11 is not particularly limited, for example, it is a bag-shaped container as shown in FIG.
  • the bag-like flexible container 11 can be produced, for example, by thermally welding the peripheral portions of two flexible sheets. Since the drainage bag of the present embodiment has a simple structure mainly composed of a flexible container 11 such as a bag and a water absorbing material, it can be manufactured at a relatively low cost and is easily disposable.
  • the flexible container 11 has an inflow port (first opening) 12b and an exhaust port (second opening) 13a.
  • the tube 12 having the suction port 12a and the inflow port 12b is arranged in a state of being sandwiched between two sheets.
  • the tube 12 can be arranged in this way by welding simultaneously when sheets are welded together.
  • suction port 12a One end (suction port 12a) of the tube 12 communicates with the suction tube connecting portion 87 of the tracheal tube with a cuff upper suction lumen as shown in FIG. 6 (a) outside the flexible container 11.
  • the other end (inflow port 12 b) of the tube 12 communicates with the inside 11 a of the flexible container 11. Thereby, it is possible to allow the biological drainage fluid to flow toward the inside 11 a of the flexible container 11 through the tube 12.
  • a material of the tube 12 for example, polyvinyl chloride, polypropylene, or the like can be used as a material of the tube 12.
  • the exhaust port 13 a is provided on one side (one sheet) of the flexible container 11.
  • the exhaust port 13a is provided with a hydrophobic filter 13b so as to block the air flow path passing through the exhaust port 13a (so as to cover the exhaust port 13a). That is, the exhaust port 13a communicates with the suction device via the hydrophobic filter 13b.
  • the hydrophobic filter 13b By providing the hydrophobic filter 13b, it is possible to suppress or prevent the intrusion of the drained liquid into the suction device. Thereby, it can prevent that a suction device fails.
  • the exhaust port 13a is not limited to such an aspect, and as shown in FIG. 9, the tube 13d having the exhaust port 13a includes two sheets constituting the flexible container 11 as in the tube 12. You may arrange
  • At least one sheet-like water absorbing material 15 is disposed in the interior 11a of the flexible container 11.
  • two water absorbing materials 15 are arranged in FIG. 2, two water absorbing materials 15 are arranged.
  • the water absorbing material 15 preferably contains a water absorbing polymer.
  • the water absorbing material 15 preferably includes a holding member, and the water absorbing polymer is preferably held by a holding member (preferably a fiber material or a plate-like member).
  • the water-absorbing polymer is a polymer designed to have a high water retention performance and is also called a high water-absorbing polymer (SAP).
  • SAP high water-absorbing polymer
  • known synthetic polymers having a water-absorbing property polymers derived from natural products, and the like can be used.
  • Examples of the synthetic polymer having water absorption include polyacrylic acid resins, polyethylene oxide resins, maleic anhydride resins, polysulfonic acid resins, polyacrylamide resins, polyvinyl alcohol resins, or combinations thereof. It is done.
  • polymers derived from natural products having water absorption include polyaspartic acid-based, polyglutamic acid-based, polyalginic acid-based, starch-based, cellulose-based, pullulan-based, dextran-based, dextrin-based, and other polysaccharide cross-linked products, or those Combinations are listed.
  • the average particle diameter (number average particle diameter) of the water-absorbing polymer is, for example, 0.1 mm to 4 mm.
  • the water absorbing material 15 may include various thickening materials such as thickening polysaccharides, clay minerals such as montmorillonite, or the like, instead of the above water absorbing polymer.
  • the holding member is made of, for example, a fiber material such as pulp, and the water-absorbing polymer is held in a state where the water-absorbing polymer is randomly distributed in the gaps between the fiber materials.
  • the holding member may be a plate-like member made of, for example, paper or plastic, and is not particularly limited as long as the member can hold the water-absorbing polymer.
  • the drainage container When the drainage liquid leaks from the drainage container, there is a concern about an increase in infectious diseases. Therefore, it is preferable that the drainage container is difficult to leak the liquid. Conventionally, hard resin materials that are not easily damaged have been used from such a viewpoint.
  • the drainage bag of the present embodiment includes a water absorbing material, so that the drained liquid is held by the water absorbing material and is externally provided. Therefore, even if a soft resin material or the like is used as the material of the container, there is an advantage that the drainage is difficult to leak. Thereby, the infectious disease by exposure of bacteria or a virus can be suppressed.
  • the water-absorbing polymer has a feature that the volume before water absorption is small and the volume expands by absorbing water. Thus, since the water-absorbing polymer expands itself by absorbing water, it is not necessary to manually inflate the container before use, and suction can be started quickly and easily when necessary.
  • the filter 14 may be a member that allows liquid such as drainage to pass therethrough but does not allow water-absorbing polymer particles to pass therethrough, and may pass substances other than water (liquid and solid).
  • the shape of the filter 14 is not specifically limited, For example, it is a film
  • water-absorbing paper, cloth material, non-woven fabric, absorbent cotton, a plastic sheet having many fine holes, or the like can be used.
  • the filter 14 is disposed between the inlet 12b and the water absorbing material 15, and is seen in a plan view (for example, a plan view seen from the thickness direction of the drainage bag, a plan view seen from the suction direction, or a flow
  • a plan view for example, a plan view seen from the thickness direction of the drainage bag, a plan view seen from the suction direction, or a flow
  • the inlet 12b and the water absorbing material 15 are arranged so as to include an overlapping portion.
  • the filter 14 is disposed between the exhaust port 13a and the water absorbing material 15, and is seen in a plan view (for example, a plan view seen from the thickness direction of the drainage bag, a plan view seen from the exhaust direction, or an exhaust gas).
  • the exhaust port 13a and the water absorbing material 15 are arranged so as to include a portion overlapping in the plane view as viewed from the direction parallel to the shortest line segment connecting the center of gravity of the port 13a and the water absorbing material 15.
  • the filter 14 disposed between the inlet 12b and the water absorbing material 15 and the filter 14 disposed between the exhaust port 13a and the water absorbing material 15 are different filters as shown in FIG. There may be one filter connected as shown in FIG.
  • the water-absorbing material 15 is generally free to move by separating from the holding member in the process of absorbing water and expanding.
  • the inside 11a of the flexible container 11 becomes negative pressure due to suction and the flexible container 11 is compressed, the water-absorbing polymer released from the holding member by the pressing force is absorbed into the inflow port 12b and the exhaust port 13a.
  • the inflow port 12b and the exhaust port 13a are blocked and the suction cannot be continued.
  • the present inventors arrange the filter 14 between the inlet 12b and the water absorbent 15 and between the exhaust port 13a and the water absorbent 15 as described above. It has been found that the filter 14 blocks the inflow of the water-absorbing polymer to the inlet 12b and the exhaust port 13a, thereby preventing the inlet 12b and the exhaust port 13a from being blocked.
  • the filter 14 covers the water absorbing material 15 in a large area, and the inlet 12b of the tube 12 is disposed at a position overlapping the water absorbing material through the filter 14 when viewed in plan (for example, the filter 14 Due to the capillary phenomenon or the like, the drainage liquid spreads substantially radially from the inlet 12b, and can spread efficiently and quickly over the entire water-absorbing material 15.
  • the hydrophobic filter is a filter that allows gas such as air to pass through without allowing liquid such as drainage to pass through.
  • the material of the hydrophobic filter is not particularly limited as long as it is a hydrophobic material, and examples thereof include polytetrafluoroethylene.
  • suction system including the same drain bag as described above.
  • the suction system of this embodiment is used, for example, to continuously suck secretions such as saliva accumulated in the upper part of the cuff of the tracheal tube or in the oral cavity.
  • the suction system of this embodiment is not restricted to the use at the time of such tracheal intubation, but can be applied to various uses such as other medical use and oral care use.
  • the suction system mainly includes a suction module 2 that generates suction pressure and a drainage bag 1 for storing drainage (suctioned secretions and the like) (see FIG. 2).
  • a suction module 2 that generates suction pressure
  • a drainage bag 1 for storing drainage (suctioned secretions and the like) (see FIG. 2).
  • FIG. 6C is a schematic diagram showing a state in which the tracheal tube 81 is inserted into the trachea 91 from the oral cavity 94.
  • a tracheal tube (tracheal intubation tube, endotracheal tube) 8 is inserted from the oral cavity 94 of the subject into the trachea 91.
  • secretions such as saliva flow into the trachea 91 from the gap between the inserted tracheal tube 81 and the inner wall 91a of the trachea 91, and the subject is May cause ventilator-associated pneumonia (VAP).
  • VAP ventilator-associated pneumonia
  • a cuff 7 is provided at a predetermined position on the outer periphery of the tracheal tube 81.
  • the cuff 7 can be expanded by supplying air from the outside.
  • a cuffed tracheal tube it is possible to prevent inflow of secretions and the like into the trachea 91 by the cuff 7 while securing an airway by the tracheal tube 81.
  • secretions accumulated in the upper part (oral cavity 94 side) of the cuff 7 may gradually leak into the airway in the lower part of the cuff 7 through a slight gap between the inner wall 91a of the trachea 91 and the cuff 7 over time. Therefore, in order to prevent ventilator-associated pneumonia (VAP) more completely, it is said that it is effective to continuously suck and remove secretions accumulated in the upper part of the cuff 7 or the like.
  • VAP ventilator-associated pneumonia
  • a tracheal tube with a cuff (a cuff upper suction lumen) provided with a hole 86a for secretion secretion near the upper portion of the cuff 7 of the tracheal tube 81 is provided.
  • An attached tracheal tube is commercially available (see FIG. 6A).
  • a suction channel 86 and a cuff channel 88a formed in parallel with the main channel 81a are provided in the wall portion constituting the main channel 81a of the tracheal tube 81. (See FIG. 6B).
  • the suction flow path 86 communicates with a hole 86 a that opens to the outside of the tracheal tube 81 in the vicinity of the cuff 7, and on the other hand, communicates with the suction pipe connection portion 87.
  • a cuff channel 88a is also provided in the wall of the tracheal tube 81 (FIG. 6B).
  • the cuff channel 88 a communicates with the inside of the cuff 7 on the outer peripheral side of the tracheal tube 81 on the one hand and communicates with the cuff expansion tube 88 on the other hand.
  • the cuff can be expanded by sending air or the like to the cuff 7 through the cuff expansion pipe 88 and the cuff flow path 88a.
  • the cuff channel 88a is not shown for simplification.
  • the suction system of the present embodiment is connected to a suction pipe connecting portion 87 of a cuffed tracheal tube (a tracheal tube with a cuff upper suction lumen) 8 as shown in FIG. Used in state.
  • a suction pipe connecting portion 87 of a cuffed tracheal tube a tracheal tube with a cuff upper suction lumen 8 as shown in FIG. Used in state.
  • the other end of the connection tube is connected to, for example, the suction port 12a of the suction system (see FIG. 2A).
  • the suction system of this embodiment includes a drainage bag 1 and a suction module 2.
  • the drainage bag 1 is basically the same as the drainage bag described with reference to FIG. 1, except that the connection member 13 is provided at the exhaust port 13a.
  • the drainage bag 1 and the suction module 2 are connected by the connecting member 13. Thereby, the exhaust port 13 a communicates with the inside of the suction module 2.
  • the connecting member 13 preferably has a space communicating with the exhaust port 13a between the lower surface of the connecting member 13 and the upper surface of the connecting member 13 provided with the hydrophobic filter 13b.
  • the connecting member 13 is preferably made of a hard material such as polyethylene, polypropylene, or ABS resin.
  • the connecting member is formed so as not to leak air or liquid by being thermally welded to a sheet around the exhaust port.
  • a small suction module 2 is used as a suction device connected to the drainage bag 1 as shown in FIG. 2
  • suction is performed.
  • another suction device such as a large suction device (for example, a medical low-pressure suction / discharge device disclosed in Patent Document 1) widely used in medical institutions may be used.
  • the suction module 2 mainly includes a casing 21 having a discharge port 13d, a suction pump 22, and a control unit (control circuit, drive circuit) 23 electrically connected thereto. .
  • a control unit control circuit, drive circuit 23 electrically connected thereto.
  • air is sent from the exhaust port 13 a to the discharge port 13 d (in the direction of the dotted arrow in the figure), and the inside 11 a of the flexible container 11 of the drainage bag 1. The air can be sucked.
  • a screw groove 21a is provided on the inner peripheral wall of the exhaust port 13a of the casing 21 constituting the suction module 2 (FIG. 3A), and the outer periphery of the connection member 13 included in the drainage bag 1 is provided.
  • a screw groove 13c is provided on the wall.
  • the suction module 2 can be detached from the drainage bag 1. Therefore, if the suction module 2 is removed from the drainage bag 1 and only the drainage bag 1 is discarded, the suction module 2 can be used repeatedly.
  • the exhaust port 13a is provided with a hydrophobic filter 13b so as to block the air flow path passing through the exhaust port 13a (so as to cover the exhaust port 13a). That is, the exhaust port 13a communicates with the inside of the suction module 2 through the hydrophobic filter 13b.
  • the hydrophobic filter 13b By providing the hydrophobic filter 13b, the intrusion of the drained liquid into the suction module 2 can be suppressed. Thereby, it can prevent that the suction module 2 fails.
  • the suction module 2 preferably includes a suction pump 22.
  • the suction pump include a piezoelectric pump and a motor pump.
  • the suction pump 22 is preferably a piezoelectric pump. Referring to FIG. 7, in piezoelectric pump 22a, piezoelectric element 200 made of, for example, lead zirconate titanate (PZT) ceramics is bonded to metal diaphragm 201. A metal plate 202b provided with a discharge hole 202a at the center is bonded to the diaphragm 201 with a spacer 202c interposed therebetween so as to form a pump chamber 202.
  • PZT lead zirconate titanate
  • the piezoelectric element 200 When the piezoelectric element 200 is resonated by applying a voltage, the diaphragm 201 is flexibly vibrated, and a volume change occurs in the pump chamber 202. As a result, a high-speed air flow is intermittently generated in the discharge hole 202a. At this time, since the pressure decreases in the vicinity of the discharge hole 202a, air in the suction flow path 203 is sucked in the direction of the discharge hole 202a, and as a result, air is discharged from the nozzle 204. Thus, the piezoelectric pump 22a acts as an air pump that sucks air from the lower side and discharges it to the upper side, as indicated by arrows in FIG.
  • the piezoelectric pump 22a has a feature that when the voltage (power) supply is stopped and the bending vibration of the piezoelectric element 200 is stopped, the suction can be stopped immediately. Therefore, the piezoelectric pump 22a can easily perform intermittent drive control.
  • the suction module 2 can be reduced in size or thickness by using the piezoelectric pump 22a.
  • the piezoelectric pump is lightweight, the suction module 2 can be reduced in weight.
  • the apparatus main body including the electric pump is larger than the drainage container and is heavy, so that it is difficult to move and there are many restrictions on the installation place.
  • the suction module 2 that is a suction device using a piezoelectric pump is small and light (smaller than the drainage container), so it is easy to move and is installed and used in various places in the medical field. It is possible.
  • the control unit 23 can control the driving of the piezoelectric pump 22a, and is composed of, for example, a memory control unit (MCU). In this embodiment, the control part 23 can drive the piezoelectric pump 22a intermittently.
  • MCU memory control unit
  • the piezoelectric pump 22a by intermittently driving the piezoelectric pump 22a, it is possible to prevent the tip of the suction tube from being adsorbed to the tracheal mucosa or the oral mucosa during suction. Thereby, the risk of mucosal damage caused by such an adsorption state can be avoided, and the safety of the suction system can be improved. Further, by intermittently driving the piezoelectric pump 22a, the power consumption of the suction system can be saved, and a long-time use becomes possible.
  • the suction time for one time is desirably a time sufficient to finish sucking most of the secretions in the upper part of the cuff, but more than necessary to reduce power consumption. It is preferable not to lengthen the suction time.
  • the suction interval is preferably shorter than a predetermined time so that secretions in the upper part of the cuff do not accumulate and the risk of VAP increases. On the other hand, in order to reduce power consumption, it is preferable not to make the suction interval too short. What is necessary is just to set the specific 1 time of suction and the space
  • the suction module 2 may further include a power source, an operation switch, a display unit, and the like (not shown).
  • the power source is electrically connected to each unit (piezoelectric pump 22a, control unit 23) of the suction module 2 so that power (voltage) can be supplied. As a result, the suction module 2 can be driven without requiring an external power source.
  • the suction module 2 may have a pressure sensor for detecting the suction pressure.
  • the suction system of the present embodiment may further include a tracheal tube (a tracheal tube with a cuff upper suction lumen) as shown in FIG. 6A having a cuff and a suction channel.
  • a tracheal tube a tracheal tube with a cuff upper suction lumen
  • the drainage bag and the suction system of the present embodiment are formed so that the filter wraps not only on one side of the sheet-like water absorbent but also on the entire water absorbent 15 including both sides and sides. This is different from the first embodiment. Other points are the same as in the first embodiment.
  • the suction port (tube 12) and the water absorbing material 15 may be arrange
  • the inlet 12b and the exhaust port 13a are basically not closed by the expanded water-absorbing polymer.
  • the inlet 12b and the exhaust port 13a are basically not closed by the expanded water-absorbing polymer.
  • the inlet 12b and the exhaust port 13a have a predetermined distance from the end of the filter in plan view. It is preferable to place them.
  • the tube 12 separates the inlet 12b from the end of the filter.
  • there is no such restriction and the layout design is easy.
  • the tube 12 may not be provided. Therefore, as shown in FIG. 5, the inflow port 16a has a hole penetrating in the thickness direction of the drainage bag. 16 may be formed.
  • the connection tube connected to the suction pipe connection portion 87 of the cuffed tracheal tube 8 is inserted into the connection port 16 of the drainage bag 1 shown in FIG. 5 toward the inside 11 a of the flexible container 11.
  • the inserted connection tube may be connected to the connection port by a fixing means, and may not be particularly connected.
  • the inflow port 12b can be arranged at an arbitrary position on the surface of the flexible container 11, but in order to effectively use the entire water absorbing material for absorbing the drainage, the exhaust port 13a. It is preferable to arrange at a position distant from.
  • 1 drain bag 11 flexible container, 11a inside, 12 tube, 12a suction port, 12b inlet, 13 connecting member, 13a exhaust port, 13b hydrophobic filter, 13c thread groove, 13d tube, 14 filter, 15 water absorption Material, 16 connection port, 16a inlet, 2, suction module, 21 housing, 21a screw groove, 22 suction pump, 22a piezoelectric pump, 23 control unit, 200 piezoelectric element, 201 diaphragm, 202 pump chamber, 202a discharge hole, 202b Metal plate, 203 suction channel, 204 nozzle, 7 cuff, 8 cuffed tracheal tube (tracheal tube with cuff upper suction lumen), 81 tracheal tube, 81a main channel, 86 suction channel, 86a hole, 87 suction tube connection 88 cuff expansion tube, 88a Full passage, 91 trachea, 91a inner wall 92 esophagus, 93 epiglottis 94 oral.

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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)
  • External Artificial Organs (AREA)

Abstract

L'invention concerne une poche de drainage comprenant : un récipient souple présentant un orifice d'entrée et un orifice d'évacuation ; ainsi qu'un matériau absorbant et un filtre qui sont logés dans le récipient souple. La poche de drainage est caractérisée en ce que le filtre est disposé entre l'orifice d'entrée et l'orifice d'évacuation, en vue en plan.
PCT/JP2017/003181 2016-02-02 2017-01-30 Poche de drainage et système d'aspiration Ceased WO2017135192A1 (fr)

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Application Number Priority Date Filing Date Title
JP2017565534A JP6519666B2 (ja) 2016-02-02 2017-01-30 排液バッグおよび吸引システム

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JP2016018031 2016-02-02
JP2016-018031 2016-02-02

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WO2017135192A1 true WO2017135192A1 (fr) 2017-08-10

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112057718A (zh) * 2020-08-24 2020-12-11 浙江隆泰医疗科技股份有限公司 一种用于呼吸系统的阻隔材料
JP2020536688A (ja) * 2017-10-09 2020-12-17 ザ インサイズ カンパニー リミテッド 栄養素リサイクル装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009106895A1 (fr) * 2008-02-27 2009-09-03 Smith & Nephew Plc Collecte de fluide
US20090240185A1 (en) * 2008-03-05 2009-09-24 Jonathan Paul Jaeb Dressing and method for applying reduced pressure to and collecting and storing fluid from a tissue site
JP2014516294A (ja) * 2011-04-12 2014-07-10 ケーシーアイ ライセンシング インコーポレイテッド 蒸発性流体用パウチ、および体液用システム
US20150202353A1 (en) * 2013-01-23 2015-07-23 Christopher John Daughtery Flexible Exudate Collection Canister

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009106895A1 (fr) * 2008-02-27 2009-09-03 Smith & Nephew Plc Collecte de fluide
US20090240185A1 (en) * 2008-03-05 2009-09-24 Jonathan Paul Jaeb Dressing and method for applying reduced pressure to and collecting and storing fluid from a tissue site
JP2014516294A (ja) * 2011-04-12 2014-07-10 ケーシーアイ ライセンシング インコーポレイテッド 蒸発性流体用パウチ、および体液用システム
US20150202353A1 (en) * 2013-01-23 2015-07-23 Christopher John Daughtery Flexible Exudate Collection Canister

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* Cited by examiner, † Cited by third party
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JP2020536688A (ja) * 2017-10-09 2020-12-17 ザ インサイズ カンパニー リミテッド 栄養素リサイクル装置
JP7301823B2 (ja) 2017-10-09 2023-07-03 ザ インサイズ カンパニー リミテッド 栄養素リサイクル装置
JP2023123631A (ja) * 2017-10-09 2023-09-05 ザ インサイズ カンパニー リミテッド 栄養素リサイクル装置
JP7598973B2 (ja) 2017-10-09 2024-12-12 ザ インサイズ カンパニー リミテッド 栄養素リサイクル装置
CN112057718A (zh) * 2020-08-24 2020-12-11 浙江隆泰医疗科技股份有限公司 一种用于呼吸系统的阻隔材料

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