WO2014057856A1 - 栓体、医療用モジュールおよび医療システム - Google Patents
栓体、医療用モジュールおよび医療システム Download PDFInfo
- Publication number
- WO2014057856A1 WO2014057856A1 PCT/JP2013/076900 JP2013076900W WO2014057856A1 WO 2014057856 A1 WO2014057856 A1 WO 2014057856A1 JP 2013076900 W JP2013076900 W JP 2013076900W WO 2014057856 A1 WO2014057856 A1 WO 2014057856A1
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- WIPO (PCT)
- Prior art keywords
- fluid port
- plug
- lid
- fluid
- liquid
- Prior art date
Links
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Images
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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/20—Closure caps or plugs for connectors or open ends of tubes
-
- 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
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1621—Constructional aspects thereof
-
- 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
- A61M39/02—Access sites
- A61M39/04—Access sites having pierceable self-sealing members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/04—Specific sealing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/04—Specific sealing means
- B01D2313/041—Gaskets or O-rings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/10—Specific supply elements
Definitions
- the present invention relates to a plug body that is detachably attached to a fluid port of a medical module that is connected to a cylindrical pipe-like connection portion of a fluid treatment device, and a medical device in which the plug body is covered with a fluid port. And a medical system in which the medical module is connected to a fluid treatment apparatus.
- the medical module include medical devices used for extracorporeal circulation treatment of body fluids typified by blood and plasma, and filtration filters for processing liquids through a wide range of medical uses.
- a fluid processing apparatus is connected to a medical module having a fluid port, and fluid treatment is performed by passing a fluid through the medical module.
- This is to perform a desired process by connecting an appropriate module according to the liquid to be processed and the purpose of the process to the fluid processing apparatus, and in particular, a medical treatment that widely processes liquids such as body fluids, blood, chemicals, and water. Used for applications.
- Examples of medical modules include medical devices used for extracorporeal circulation treatment of body fluids typified by blood and plasma, such as artificial kidneys, hemofiltration dialysers, blood filters, plasma component separators, plasma separators, leukocytes Examples include removers, blood component adsorbers, etc., modules for the treatment of liquids that are widely used for medical purposes, such as filtration filters for dialysate, etc.
- a functional material such as a material is filled, and the case has one or more fluid ports for liquid passage.
- an endotoxin capture filter (ETRF) module is used in connection with a dialysis machine to filter and remove toxins called endotoxins contained in dialysate.
- a port is provided, and the container is filled with a functional material such as a hollow fiber or an adsorbent.
- the dialysate flows through the ETRF module and is sent to the dialyzer via the fluid port.
- the connection part of the dialysis machine and the fluid port need to be connected in a liquid-tight manner without causing leakage.
- the fluid port or connection part is touched by hand, or the fluid port is exposed to the air for a long time. It is used with great care to prevent unwanted bacteria from breeding.
- a plug may be detachably attached to the fluid port so that the fluid does not leak from the fluid port. For this reason, the plug body is removed and connected to the dialysis apparatus while taking care not to touch the fluid port and to prevent the filling liquid from leaking and contaminating the surroundings.
- a connection part of a dialysis machine for example, as shown in Non-Patent Document 1, it is composed of a synthetic resin or metal, and a hard plastic or stainless steel one is preferably used for hygienic and reliable connection. It is done.
- the ETRF module is to be replaced after it has been used for a certain period of time, but it has been a burden of replacement work to pay attention to the above-mentioned attention every time it is replaced.
- Patent Document 1 and Patent Document 2 a method of connecting a medical module with a simple operation without touching the fluid port with a hand has been proposed.
- the above method since it is necessary to connect the fluid port in an open state, when the liquid is filled in the module in advance, it is possible to prevent the liquid from leaking from the fluid port. In addition to being unable to do so, the exposed fluid port could lead to unexpected contamination by bacteria.
- an ETRF module having a specially shaped fluid port that matches the connection part of the holder unit is required, and a connection part that is generally widely used can be attached.
- the compatibility was poor.
- Patent Document 3 describes a connection method between a fluid port and a connection portion, in which the connection portion passes through an internal cap in a plug body and is inserted into the inside.
- the connection part seal part for example, O-ring (14a)
- the connection part for example, O-ring (14a)
- connection portion seal portion is always exposed to the outside, If the module is held by hand, it may be accidentally touched, or it may come into contact with air and cause unwanted bacteria to grow.
- Patent Document 4 describes a plug attached to a fluid port 500 having a configuration as shown in FIG.
- the thickness of the portion of the lid 700 where the connection portion 600 is pressed and opened is thick, and a configuration is described in which the connection portion 600 is sealed using the thickness of the lid 700.
- an object of the present invention is a plug attached to a medical module, which can be connected in a sanitary manner without special consideration when connecting to a fluid treatment device, and is also provided inside the medical module. Even when the liquid is filled, it is possible to reliably connect without leaking the filling liquid, and the liquid can be reliably sealed even when the processing liquid is circulated at a predetermined flow rate. It is another object of the present invention to provide a plug body that allows a medical module to be connected to a general fluid processing apparatus even by a method of removing the plug, a medical module in which the plug body is covered, and a medical system.
- a plug according to the present invention includes a main body, a hollow cylindrical fluid port seal that is in liquid-tight contact with a fluid port of a medical module, an opening, and the opening.
- a lid provided on the opposite side for closing and protecting the fluid port, and a plug body removably attached to the fluid port of the medical module, In the state where the plug is attached to the fluid port, the lid portion connects the cylindrical pipe-like connection portion of the fluid processing apparatus and the fluid port so that liquid can pass therethrough.
- the penetrated portion includes at least a central portion in the radial direction of the lid portion, has a thickness of 0.2 mm to 3.0 mm, and has a flexural modulus of 100 to 1500 MPa or a Shore A hardness of 40 ⁇ 90 elastic body,
- the plug body further includes a connection portion seal portion that is in liquid-tight contact with the connection portion in a state where the connection portion is inserted into the plug body.
- the plug body having a lid portion for protecting the fluid port can be connected to the connection portion of the fluid treatment apparatus while being attached to the fluid port, and the flow path can be opened compared to the conventional technology. It is an excellent feature. Therefore, there is a penetration portion that can be penetrated by the connecting portion in the lid portion of the plug. With this configuration, it is possible to connect the connecting portion of the fluid processing apparatus and the fluid port without removing the protective cap as described in the above-described conventional technology. Furthermore, in the present invention, a connection part sealing part for maintaining liquid tightness by contacting the connection part inserted into the plug body is provided at a position where the connection part is inserted into the lid part, and the connection is made. The part seal part is brought into liquid-tight contact with the connection part.
- the connecting portion seal portion is in liquid-tight contact with the connecting portion as described above, it is necessary to ensure a flow path for liquid passage, so that the connecting portion seal portion is provided in an annular shape on the inner wall of the plug body. Is preferred.
- the lid portion is thickened to improve the sealing performance with the connection portion.
- the applicable connection portion is limited to a thin diameter, and the connection portion penetrates.
- a liquid-tight seal can be achieved even when the liquid-tight sealability cannot be maintained only by the lid portion.
- the through-hole portion in the lid portion includes at least a central portion in the radial direction of the lid portion, has a thickness of 0.2 mm to 3.0 mm, and has a flexural modulus of 100 to 1500 MPa or a shore A Since it is formed of an elastic body with a hardness of 40 to 90, it is possible to easily close the fluid port with this plug, and it can be easily penetrated when the connecting part is pressed against the penetration part. It becomes.
- the present invention provides a plug used for an application in which when the fluid port is connected to the connection portion of the fluid processing apparatus, the connection portion penetrates the through-hole in the lid portion of the plug to form a flow path. It can also be said to be provided. That is, the present invention provides a main body, a hollow cylindrical fluid port seal that is in liquid-tight contact with a fluid port of a medical module, an opening, and a fluid port that is provided on the opposite side of the opening and closes the fluid port.
- a lid for protecting the plug and is a plug body detachably attached to the fluid port of the medical module
- the plug is A cylindrical pipe-like connection portion of the fluid treatment device is provided with a connection portion seal portion in liquid-tight contact with the connection portion in a state where the connection portion is inserted into the plug body; and In the state where the plug is attached to the fluid port, when the plug is connected to the fluid port and the connection part without removing the plug from the fluid port, the connection part is covered with the cover part.
- the present invention also provides a plug body that is used for a purpose of forming a flow path through a penetration portion.
- the fluid port can be connected to the connection portion of the fluid processing apparatus without removing the stopper from the fluid port in a state where the stopper is attached to the fluid port.
- the plug body since the plug body is detachably attached to the fluid port, the plug body can be detached from the fluid port and connected to the connection portion of the fluid processing apparatus, and can be selected at the operator's discretion.
- the penetrated portion includes at least a central portion in the radial direction of the lid portion, has a thickness of 0.2 mm to 3.0 mm, and has a flexural modulus of 100 to 1500 MPa. It is preferably formed of a soft synthetic resin or an elastic body having a Shore A hardness of 40 to 90.
- the main body is made of a synthetic resin and has a hollow cylindrical shape, and has the fluid port seal portion on the inner peripheral surface of the main body, and the fluid port of the plug It is preferable to adopt a configuration in which the fluid port seal portion is brought into contact with the outer peripheral surface of the fluid port when being crowned.
- lid is formed integrally with a synthetic resin frame, and the frame and the main body are integrated by ultrasonic welding.
- the medical module according to the present invention includes a main body, a hollow cylindrical fluid port seal portion that is in liquid-tight contact with a fluid port of the medical module, an opening, and the fluid provided on the opposite side of the opening.
- a plug having a lid for closing and protecting the port is a medical module that is removably covered with the fluid port, In the state where the plug body is attached to the fluid port, the lid portion connects the cylindrical pipe-like connection portion of the fluid processing apparatus and the fluid port so that liquid can pass therethrough.
- the penetrated portion includes at least a central portion in the radial direction of the lid portion, has a thickness of 0.2 mm to 3.0 mm, and has a flexural modulus of 100 to 1500 MPa or a Shore A hardness of 40 ⁇ 90 elastic body, Further, the plug body includes a connection portion seal portion that is in liquid-tight contact with the connection portion in a state where the connection portion is inserted into the plug body.
- the present invention also provides a main body, a hollow cylindrical fluid port seal that is in liquid-tight contact with the fluid port of the medical module, an opening, and the fluid port that is provided on the opposite side of the opening. And a cap having a lid for protecting the medical port, wherein the fluid port is detachably covered with a medical module,
- the plug is A cylindrical pipe-like connection portion of the fluid treatment device is provided with a connection portion seal portion in liquid-tight contact with the connection portion in a state where the connection portion is inserted into the plug body; and In the state where the plug is attached to the fluid port, when the fluid port and the connection portion are detachably connected without removing the plug from the fluid port, the connection portion is penetrated in the lid portion.
- the present invention also provides a medical module that is used for a purpose of forming a flow path through a portion.
- the penetrated portion includes at least a central portion in the radial direction of the lid portion, has a thickness of 0.2 mm to 3.0 mm, and has a flexural modulus of 100 to 1500 MPa. It is possible to adopt a configuration formed of an elastic body having a resin or Shore A hardness of 40 to 90.
- the medical module as described above, it is possible to adopt a configuration in which the medical module is an endotoxin capture filter module.
- the medical system according to the present invention is provided on the opposite side of the main body, the hollow cylindrical fluid port seal that comes into liquid-tight contact with the fluid port of the medical module, and the opening.
- a medical system having a medical module in which a plug having a lid for closing and protecting a fluid port is removably covered with the fluid port, and a fluid treatment device,
- the cylindrical pipe-like connecting portion of the fluid treatment device is inserted into the plug body through the through-hole including at least the central portion in the radial direction of the lid,
- the inserted connecting portion is in liquid-tight contact with the connecting portion seal portion provided inside the stopper, and the flow path is opened.
- the hygiene can be performed in a simple manner without special consideration.
- the medical module is filled with liquid at a predetermined flow rate, it can be sealed and connected quickly and reliably without leaking the filling liquid.
- a plug body that allows a medical module to be connected to a general fluid processing apparatus even by a conventional method of removing the plug body, a medical module in which the plug body is covered, and a medical system can be provided.
- the plug according to the present invention is detachably attached to a fluid port of a medical module, and can close the fluid port and protect the fluid port.
- protecting the fluid port means that the fluid port or the inside of the fluid port is exposed to the air and prevents unnecessary bacteria from adhering to and multiplying. This means that the fungus is prevented from adhering and propagating, or that the fluid is prevented from leaking outside when the module is filled with liquid or gas.
- FIG. 2 shows the ETRF module 100 in a state where the plugs 31 and 32 are attached to the fluid ports 51 and 52.
- the ETRF module 100 is a medical module for removing toxins contained in the dialysate, and a bundle of hollow fiber membranes 4 is housed in the cylindrical body case 1 as a functional part and filled with filling water. Yes.
- the form of the functional part is not particularly limited to the hollow fiber membrane, and other examples include an adsorbent, a flat membrane, and beads.
- the ETRF module 100 is provided with fluid ports 51 and 52, and the arrangement and number of the fluid ports 51 and 52 can be arbitrarily determined in accordance with the method of use.
- Fluid ports protrude at two directional end portions (for example, on the header 2) and at two locations orthogonal to the axis of the main body case 1, and both communicate with the module interior.
- Each plug is detachably attached to the tip of each fluid port, blocking and protecting the fluid port.
- polypropylene, polycarbonate, polystyrene, or the like is preferably used as the material of the main body case 1, and can be formed integrally with the fluid port by manufacturing by injection molding, and can be manufactured in large quantities with high accuracy. .
- the connecting part of the dialysis machine is made of synthetic resin or metal, and hard plastic such as modified polyphenylene ether or stainless steel is preferably used for hygienic and reliable connection.
- the connecting portion is cylindrical and has a pipe shape having a flow port for liquid passage. Generally, the diameter of the cross section of the flow port is preferably 3 mm to 20 mm.
- the shape of the fluid port is arbitrary, but the shape of the dialysate side port described in JIS T3250 (2012) 4.4.4 is widely used in the field of medical fluid treatment. It can be used suitably.
- the connecting portion has a flow port as large as possible within a range that can be inserted into the inner diameter of the fluid port in a state where the plug is attached to the fluid port, thereby reducing the flow resistance during liquid passage. The required flow rate can be ensured.
- the inner diameter of the dialysate port described in JIS T3250 (2012) is 12.4 mm
- the inner diameter is generally 8 mm to 10 mm.
- the outer diameter of the portion where the connecting portion reaches the inside of the port is preferably 6.0 mm to 9.5 mm from the viewpoint of securing the flow rate during liquid passage. .
- the plug body has a through-hole portion that can penetrate the lid portion of the plug body by pushing the connecting portion in a state where the plug body is attached to the port.
- FIGS. 3 is a perspective sectional view in the case of the luer lock fluid port 53 and the luer lock connection portion 62
- FIG. 4 is a perspective sectional view in the case of the slip-in fluid port 54 and the slip-in connection portion 63
- FIG. It is a perspective sectional view in the case of connection part 64.
- FIG. These are preferably used with less liquid leakage, and the method using a coupler shape is particularly used because of its high reliability.
- the connection part in the dialysis apparatus has a coupler shape
- an example of the above-described ETRF module 100 fluid port 51 having a shape adapted thereto is shown in FIG.
- the said coupler shape what is necessary is just to make the shape of a fluid port into the shape of the dialysate port as described in JIS T3250 (2012) 4.4.4.
- the operator when connecting the ETRF module as described above to the dialysis machine by a conventional method, the operator first removes the plug by hand, and then attaches the dialysis machine connection to the fluid port of the ETRF module. It can be distributed. At this time, if the module is filled with liquid, it is necessary to carefully attach the connecting portion so that the filling water does not leak and contaminate the surroundings.
- the same operation as described above is required for each of the fluid ports.
- FIG. 7 is a cross-sectional view showing an example of the connection method of the connection portion in the present invention.
- the plug body 31 closes the fluid port 51 and protects it without removing the plug body 31 at all.
- the connecting portion 6 is pressed against the lid 7 provided on the opposite side of the opening 311 of the plug body 31, preferably near the center thereof, so that the connecting portion 6 becomes the penetration portion in the lid 7.
- the connection portion 6 is inserted into the inside of the lid portion 7 of the plug 31. Therefore, when connecting the fluid port 51 and the connection part 6 of a fluid processing apparatus, the connection part 6 can be used for the use which penetrates the to-be-penetrated part 71 in the cover part 7, and forms a flow path.
- connection portion 6 inserted into the plug body 31 can be liquid-tightly sealed by contacting the connection portion seal portion 9 inside the lid portion 7 of the plug body 31 over the entire circumference.
- connection portion seal portion 9 inside the lid portion 7 of the plug body 31 over the entire circumference.
- fluid port seal portion 10 inside the plug body 31 abuts the fluid port 51 over the entire circumference, a liquid-tight seal can be achieved.
- reference numeral 11 denotes a cover.
- the plug 31 can close the fluid port 51 without removing the plug 31 at all, and the connection work of the connecting portion 6 can be carried out in a protected state.
- the liquid can be passed without causing leakage of the liquid and without exposing the fluid port 51 to the outside.
- the fluid port 51 and the dialysis apparatus can be connected simply by attaching the module 100 with the plug body 31 attached to a holder or the like provided with the connection portion 6. It is also possible to adopt a method to do this.
- connection portion 6 in the above connection method has a cylindrical shape with a liquid passage hole inside, is made of synthetic resin or metal, and is preferably made of hard plastic or stainless steel for hygienic and reliable connection.
- the connecting portion 6 is a pipe having a cylindrical shape and a flow port for liquid passage, and generally has a cross-sectional diameter of 3 mm to 20 mm.
- connection part 7 shows an example of the connection part 6 of the fluid treatment apparatus connected to the plug body 31 in the present invention, but the tip of the connection part 6 can be easily penetrated when pressed against the lid part 7. It is preferable to have an angle.
- the portion of the outer periphery or inner periphery of the connection portion 6 that contacts the connection portion seal portion 9 is preferably flat in the vertical direction in FIG. 7, but the contact depth of the connection portion 6 is reduced by contacting the plug body 31.
- a step or a rib for regulating may be provided.
- the connecting portion 6 may have a cover for protecting the tip (not shown).
- the fluid port seal portion 10 may be in contact with either the outer peripheral surface or the inner peripheral surface of the fluid port 51.
- the fluid port seal portion 10 is in contact with the outer peripheral surface, for example, as shown in FIG. It can be made to adhere by inserting fluid port 51 in an inner wall.
- the body portion 8 is formed of a synthetic resin hollow cylindrical body and formed integrally with the inner peripheral wall of the body portion 8 so that the fluid port seal portion 10 is surrounded by the synthetic resin body portion 8 and the shape is stabilized. This is preferable because the sealing performance is improved.
- the fluid port seal portion 101 when the fluid port seal portion is in contact with the inner peripheral surface of the fluid port 51, for example, as shown in FIG. 9 and FIG.
- the fluid port seal portion 101 can be brought into close contact by being pushed into the fluid port 51.
- the main body portion 82 when such a fluid port seal portion 101 is provided, the main body portion 82 is made as one component made of synthetic resin, and the fluid port seal portion 101 is protruded from the lid portion side to form one component. Can be configured.
- a connecting portion seal portion 91 is formed on the inner peripheral surface side of the distal end portion of the fluid port seal portion 101.
- a frame body 81 made of, for example, a synthetic resin is provided on the outer periphery of the main body portion 82 on the lid portion side, and the cover 11 is integrally formed with the frame body 81.
- the fluid port 51 is present between the fluid port seal portion 101 and the cover 11.
- the synthetic resin frame as shown in FIG. 9 is not provided.
- the part seal part 91 can also be formed of the same material. Although this material is not specifically limited, For example, rubber
- the form in which the fluid port seal portion as shown in FIGS. 7 and 8 contacts the outer peripheral surface of the fluid port is such that the fluid port seal portion as shown in FIGS. 9 and 10 contacts the inner peripheral surface of the fluid port. Since the space inside the fluid port seal portion can be increased as compared with the embodiment, it is preferable in that the size of the connection tool inserted into the fluid port is less limited.
- the fluid port seal portion is formed of an elastic body having a Shore A hardness of 40 to 90 because good sealability can be obtained.
- silicone rubber, ethylene polyene diene rubber (hereinafter referred to as EPDM rubber), synthetic rubber such as nitrile rubber, and elastomer are used.
- EPDM rubber ethylene polyene diene rubber
- synthetic rubber such as nitrile rubber
- elastomer is used.
- thermoplastic elastomer because it can be manufactured in large quantities with high accuracy using injection molding.
- the lid is provided at a position where the fluid port is closed on the side opposite to the opening in the plug. At least a part of the lid portion including the central portion forms a penetration portion through which the connection portion that is pressed when connected to the connection portion can pass therethrough.
- all of the lid portions may be formed by the through-hole portions.
- the penetrated portion preferably has a flexural modulus of 100 MPa or more, 1500 MPa or less, more preferably 1200 MPa or less, and still more preferably 1000 MPa or less, or a Shore A hardness of 40 or more, more preferably 70 or more. 90 or less, more preferably 85 or less, it is preferable to form the elastic body. By forming in this way, it is possible to close the fluid port and to easily penetrate when the connection portion is pressed. It becomes.
- polypropylene or polyethylene is preferably used as the synthetic resin
- synthetic rubber such as silicon rubber, EPDM rubber or nitrile rubber, or elastomer is preferably used as the elastic body.
- the use of a thermoplastic elastomer is more preferable because it can be manufactured in large quantities with high accuracy using injection molding.
- the thickness of the penetration part in a cover part is less than 5.0 mm because it is easy to penetrate a connection part, More preferably, it is 3.0 mm or less, More preferably, it is 1.5 mm or less Particularly preferably, the thickness is 1.0 mm or less.
- the lower limit of the thickness is not particularly limited, but is preferably 0.1 mm or more in order to maintain the strength of the lid, and more preferably 0.2 mm or more.
- a portion of the through-hole portion in the lid may be provided with a fragile portion that serves as a starting point of the opening so that the connection portion is easily pressed when pressed, and the strength of the lid is not impaired.
- a fragile portion having a thickness of 0.1 mm or more can be provided.
- its inner diameter in the case of an ellipse, converted to an inner diameter assuming a perfect circle of the same area
- its inner diameter is preferably 7.0 mm or more, It is more preferable that it is 9.0 mm or more. On the other hand, it is preferably 15 mm or less, and more preferably 11 mm or less.
- the outer diameter of the portion that reaches the fluid port of the connecting portion is as described above.
- the inner diameter of the through-hole portion is too large, the thin-film-shaped through-hole portion may be extended when the connecting portion is pushed in.
- deformation that is pushed in occurs, which may cause the ease of opening to be impaired.
- transform is insufficient, and it may become the cause which impairs the ease of opening. Therefore, the above range is preferable.
- the opened through-hole portion is deformed so as to be pushed into the main body portion along with the connection portion, it is preferable to provide a space in the main body portion for allowing the deformation of the through-hole portion to be easily opened.
- a synthetic resin frame can be integrally formed around the through-hole portion to form a lid. Since the penetrated portion is often formed thin, the shape may not be stable by itself, but it can be stabilized by fixing it to a synthetic resin frame (for example, as shown in FIG. 9 Configuration).
- the frame body and the main body of the lid are made of synthetic resin, they can be made into a plug by fixing them together by ultrasonic welding.
- a cylindrical cover formed so as to be covered with the fluid port is provided, and the cover and the fluid port are engaged with each other.
- it can exhibit a locking function that prevents the plug body from being inadvertently removed from the time the product is shipped to the time of use, and the plug body can be pulled out or twisted. It is also possible to remove the plug body with a simple operation.
- the fluid port is not inadvertently touched by covering the outer periphery of the fluid port with a cover.
- the connecting part seal part is provided inside the lid part of the plug body, and the connecting part is pushed in, penetrates the through part in the lid part and is inserted into the lid part of the plug body and is liquid-tight. It is a part which contacts.
- the entire side wall of the plug body may be a connecting portion seal portion, but it may be difficult to remove the connecting portion, so it is preferable to provide an annular protrusion as shown in FIG. An embodiment in which the main body or the side wall of the cover is provided is conceivable.
- connection portion seal portion is annular, so that the connection portion can be liquid-tightly contacted with the cylindrical portion.
- connection part seal part needs to be able to allow the liquid flowing in from the connection part to pass through the fluid port and the module in a state where the connection part seal part is in liquid-tight contact with the connection part.
- the hollow cylindrical connecting portion seal portion is put on the outer periphery of the connecting portion of the fluid treatment device and brought into contact with the outer periphery or inserted into the inner periphery, but as described above.
- the contact with the outer periphery is preferable because there is less restriction on the size of the connecting portion seal portion.
- the connecting portion seal portion is formed of an elastic body having a Shore A hardness of 40 to 90, good sealability can be obtained.
- synthetic rubber such as silicon rubber, EPDM rubber, nitrile rubber, or elastomer is used.
- the use of a thermoplastic elastomer is preferable in that it can be manufactured in large quantities with high accuracy using injection molding.
- the connecting portion of the fluid processing apparatus is provided with sealing means (for example, O-ring, packing, gasket), and the plug body is not provided with the connecting portion sealing portion, and the connecting portion is brought into contact with the plug body and the fluid port for sealing.
- sealing means for example, O-ring, packing, gasket
- connection portion seal portion exists inside the lid portion, and is not exposed to the outside in a state where the connection portion is inserted, and can be used in a sanitary manner. Further, since the connecting portion does not have a sealing means, it is not necessary to make the shape of the connecting portion complicated, and hygiene management such as cleaning and replacement is extremely easy.
- Example 1 A hollow fiber membrane bundle is inserted into the body case, which is a coupler type fluid port according to JIS T3250 (2011) 4.4.4, with four fluid ports, both in the longitudinal direction of the module and in the direction perpendicular to the longitudinal direction of the module.
- the stopper in the present invention is attached, and the connection part of the dialysis apparatus is attached.
- the connecting portion was a synthetic resin pipe, and the tip of the connecting portion was pressed near the center of the lid portion and penetrated.
- the portion through which the connection portion near the center of the lid portion of the plug body penetrates, the fluid port seal portion, and the connection portion seal portion were each made of a styrene thermoplastic elastomer having a Shore A hardness of 70 degrees.
- the lid portion was formed by two-color integral molding with a synthetic resin frame, and the fluid port seal portion and the connection portion seal portion were formed by two-color integral molding with a synthetic resin cover.
- the portion of the lid where the connecting portion is pressed and opened, that is, the thickness of the through portion was 0.5 mm, and the thickness around the through portion was 1 mm.
- High-density polyethylene was used for the frame, the main body, and the cover, and these were fixed together by ultrasonic welding.
- the required time for performing the work of pressing the connection part into the center of the lid part and inserting it into the main body was 9 seconds, and the filling liquid did not leak. Further, the fluid port was not exposed to the outside during installation.
- the plug according to the present invention can be applied to any medical module in which a plug is detachably covered with a fluid port and a medical system including the module, and in particular, an ETRF module and a medical system including the module. It is suitable for.
Abstract
Description
上記蓋部は、上記栓体が前記流体ポートに取り付けられた状態において、流体処理装置の円筒パイプ状の接続部と上記流体ポートとを通液可能に接続する場合に、上記接続部が上記蓋部を貫通可能な被貫通部を有し、
上記被貫通部は、上記蓋部の径方向における中心部を少なくとも含み、厚みが0.2mm~3.0mmであり、かつ、曲げ弾性係数が100~1500MPaの軟質合成樹脂もしくはショアA硬度が40~90の弾性体で形成されており、
さらに、上記接続部が上記栓体の内部に挿入された状態において上記接続部と液密に当接する接続部シール部を備えていることを特徴とする栓体である。
上記栓体は、
流体処理装置の円筒パイプ状の接続部が上記栓体の内部に挿入された状態において上記接続部と液密に当接する接続部シール部を備えており、かつ、
上記栓体が前記流体ポートに取り付けられた状態において上記栓体を流体ポートから取り外すことなく上記流体ポートと上記接続部とを通液可能に接続する場合に、上記接続部が上記蓋部における被貫通部を貫通して流路を形成する用途に用いられることを特徴とする栓体についても提供する。
上記蓋部は、上記栓体が上記流体ポートに取り付けられた状態において、流体処理装置の円筒パイプ状の接続部と上記流体ポートとを通液可能に接続する場合に、上記接続部が上記蓋部を貫通可能な被貫通部を有し、
上記被貫通部は、上記蓋部の径方向における中心部を少なくとも含み、厚みが0.2mm~3.0mmであり、かつ、曲げ弾性係数が100~1500MPaの軟質合成樹脂もしくはショアA硬度が40~90の弾性体で形成されており、
さらに、上記栓体は、上記接続部が上記栓体の内部に挿入された状態において上記接続部と液密に当接する接続部シール部を備えていることを特徴とするものからなる。
上記栓体は、
流体処理装置の円筒パイプ状の接続部が上記栓体の内部に挿入された状態において上記接続部と液密に当接する接続部シール部を備えており、かつ、
上記栓体が上記流体ポートに取り付けられた状態において上記栓体を流体ポートから取り外すことなく上記流体ポートと上記接続部とを着脱可能に接続する場合に、上記接続部が上記蓋部における被貫通部を貫通して流路を形成する用途に用いられることを特徴とする医療用モジュールについても提供する。この医療用モジュールにおいては、上記被貫通部は、上記蓋部の径方向における中心部を少なくとも含み、厚みが0.2mm~3.0mmであり、かつ、曲げ弾性係数が100~1500MPaの軟質合成樹脂もしくはショアA硬度が40~90の弾性体で形成されている構成を採ることができる。
上記流体処理装置の円筒パイプ状の接続部が、上記蓋部における径方向の中心部を少なくとも含む被貫通部を貫通して上記栓体の内部に挿入され、
かつ、上記挿入された接続部が上記栓体の内部に備えられた接続部シール部と液密に当接して流路が開通されてなることを特徴とするものからなる。
本発明に係る栓体とは、医療用モジュールの流体ポートに着脱可能に取り付けられ、流体ポートを閉塞し、流体ポートを保護することができるものである。ここで、流体ポートを保護するとは、流体ポートまたはその内部が空気中に露出して不要な菌が付着・繁殖することを防ぐ役割、取り扱いの際に不用意に人が手を触れて不要な菌が付着・繁殖することを防ぐ役割、またはモジュール内部に液体または気体が充填されている場合はかかる流体が外部に漏れることを防ぐ役割を果たすことを意味する。
図3はルアロック流体ポート53とルアロック接続部62の場合の斜視断面図で、図4はスリップイン流体ポート54とスリップイン接続部63の場合の斜視断面図、図5はカプラ流体ポート55とカプラ接続部64の場合の斜視断面図である。これらは液体の漏洩が少なく好適に用いられ、特にカプラ形状を用いる方法は信頼性が高いため多く用いられる。例えば、透析装置における接続部がカプラ形状のものの場合に、それに適合する形状の前述のETRFモジュール100流体ポート51の一例を示すと、図6に示すような形状になる。また、上記カプラ形状を使用する場合には、流体ポートの形状を上記したJIS T3250(2012)4.4.4に記載の透析液ポートの形状とすれば良い。
流体ポートを4箇所備え、長手方向の2箇所にはスリップインタイプの流体ポート、長手方向と直交する方向の2箇所にはJIS T3250(2011)4.4.4に準拠したカプラタイプの流体ポートを備えたポリスチレン樹脂製本体ケースに中空糸膜束が挿入され、内部に水が充填されてなり、かつ上記4箇所の流体ポートにはEPDMゴム製の栓が流体ポートを覆うように取り付けられたETRFモジュールにおいて、上記各EPDMゴム製の栓を取りはずし、透析装置の接続部を取り付けた。モジュール長手方向の流体ポートにはスリップインタイプの接続部を取りつけ、モジュールの軸と直交方向の流体ポートにはカプラタイプの接続部を取りつけた。
その結果、栓を取りはずし、接続部を取り付ける作業を4箇所すべて行った際の所要時間は28秒であり、充填液は3cc漏洩した。
流体ポートを4箇所備え、モジュール長手方向もモジュールの長手方向と直交する方向もJIS T3250(2011)4.4.4に準拠したカプラタイプの流体ポートである本体ケースに中空糸膜束が挿入され、内部に水が充填されてなるETRFモジュールにおいて、本発明における栓体を取り付け、透析装置の接続部を取り付けた。接続部は合成樹脂製パイプ形状であって、接続部の先端が蓋部の中央付近に押し付けられ、貫通するものであった。
2 ヘッダー
31 栓体
311 開口部
32 栓体
4 中空糸膜
51 流体ポート
52 流体ポート
53 ルアロック流体ポート
54 スリップイン流体ポート
55 カプラ流体ポート
6 透析装置の接続部
62 ルアロック接続部
63 スリップイン接続部
64 カプラ接続部
7 蓋部
71 貫通部
8 本体部
81 枠体
82 本体部
9 接続部シール部
91 接続部シール部
10 流体ポートシール部
101 流体ポートシール部
11 カバー
100 ETRFモジュール
500 流体ポート
600 接続部
700 蓋部
Claims (10)
- 本体部と、医療用モジュールの流体ポートと液密に当接する中空円筒形状の流体ポートシール部と、開口部と、前記開口部と反対側に設けられ前記流体ポートを閉塞し保護するための蓋部と、を有し、前記医療用モジュールの流体ポートに着脱可能に取り付けられる栓体であって、
前記蓋部は、前記栓体が前記流体ポートに取り付けられた状態において、流体処理装置の円筒パイプ状の接続部と前記流体ポートとを通液可能に接続する場合に、前記接続部が前記蓋部を貫通可能な被貫通部を有し、
前記被貫通部は、前記蓋部の径方向における中心部を少なくとも含み、厚みが0.2mm~3.0mmであり、かつ、曲げ弾性係数が100~1500MPaの軟質合成樹脂もしくはショアA硬度が40~90の弾性体で形成されており、
さらに、前記接続部が前記栓体の内部に挿入された状態において前記接続部と液密に当接する接続部シール部を備えていることを特徴とする栓体。 - 本体部と、医療用モジュールの流体ポートと液密に当接する中空円筒形状の流体ポートシール部と、開口部と、前記開口部と反対側に設けられ前記流体ポートを閉塞し保護するための蓋部と、を有し、前記医療用モジュールの流体ポートに着脱可能に取り付けられる栓体であって、
前記栓体は、
流体処理装置の円筒パイプ状の接続部が前記栓体の内部に挿入された状態において前記接続部と液密に当接する接続部シール部を備えており、かつ、
前記栓体が前記流体ポートに取り付けられた状態において前記栓体を流体ポートから取り外すことなく前記流体ポートと前記接続部とを通液可能に接続する場合に、前記接続部が前記蓋部における被貫通部を貫通して流路を形成する用途に用いられることを特徴とする栓体。 - 前記被貫通部は、前記蓋部の径方向における中心部を少なくとも含み、厚みが0.2mm~3.0mmであり、かつ、曲げ弾性係数が100~1500MPaの軟質合成樹脂もしくはショアA硬度が40~90の弾性体で形成されていることを特徴とする請求項2に記載の栓体。
- 前記本体部は、合成樹脂製で中空円筒形状に形成されており、前記本体部の内周面に前記流体ポートシール部を有し、栓体の流体ポート被冠時には前記流体ポートシール部が前記流体ポートの外周面に当接されることを特徴とする請求項1~3のいずれかに記載の栓体。
- 前記蓋部は合成樹脂製の枠体と一体に成形されてなり、
前記枠体と前記本体部とが超音波溶着により一体化されていることを特徴とする請求項1~4のいずれかに記載の栓体。 - 本体部と、医療用モジュールの流体ポートと液密に当接する中空円筒形状の流体ポートシール部と、開口部と、前記開口部と反対側に設けられ前記流体ポートを閉塞し保護するための蓋部と、を有する栓体が、前記流体ポートに着脱可能に被冠されてなる医療用モジュールであって、
前記蓋部は、前記栓体が前記流体ポートに取り付けられた状態において、流体処理装置の円筒パイプ状の接続部と前記流体ポートとを通液可能に接続する場合に、前記接続部が前記蓋部を貫通可能な被貫通部を有し、
前記被貫通部は、前記蓋部の径方向における中心部を少なくとも含み、厚みが0.2mm~3.0mmであり、かつ、曲げ弾性係数が100~1500MPaの軟質合成樹脂もしくはショアA硬度が40~90の弾性体で形成されており、
さらに、前記栓体は、前記接続部が前記栓体の内部に挿入された状態において前記接続部と液密に当接する接続部シール部を備えていることを特徴とする医療用モジュール。 - 本体部と、医療用モジュールの流体ポートと液密に当接する中空円筒形状の流体ポートシール部と、開口部と、前記開口部と反対側に設けられ前記流体ポートを閉塞し保護するための蓋部と、を有する栓体が、前記流体ポートに着脱可能に被冠されてなる医療用モジュールであって、
前記栓体は、
流体処理装置の円筒パイプ状の接続部が前記栓体の内部に挿入された状態において前記接続部と液密に当接する接続部シール部を備えており、かつ、
前記栓体が前記流体ポートに取り付けられた状態において前記栓体を流体ポートから取り外すことなく前記流体ポートと前記接続部とを着脱可能に接続する場合に、前記接続部が前記蓋部における被貫通部を貫通して流路を形成する用途に用いられることを特徴とする医療用モジュール。 - 前記被貫通部は、前記蓋部の径方向における中心部を少なくとも含み、厚みが0.2mm~3.0mmであり、かつ、曲げ弾性係数が100~1500MPaの軟質合成樹脂もしくはショアA硬度が40~90の弾性体で形成されていることを特徴とする請求項7に記載の医療用モジュール。
- エンドトキシン捕捉フィルターモジュールであることを特徴とする請求項6~8のいずれかに記載の医療用モジュール。
- 本体部と、医療用モジュールの流体ポートと液密に当接する中空円筒形状の流体ポートシール部と、開口部と、前記開口部と反対側に設けられ前記流体ポートを閉塞し保護するための蓋部と、を有する栓体が、前記流体ポートに着脱可能に被冠されてなる医療用モジュール、及び流体処理装置を有する医療システムであって、
前記流体処理装置の円筒パイプ状の接続部が、前記蓋部における径方向の中心部を少なくとも含む被貫通部を貫通して前記栓体の内部に挿入され、
かつ、前記挿入された接続部が前記栓体の内部に備えられた接続部シール部と液密に当接して流路が開通されてなることを特徴とする医療システム。
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JP3066107U (ja) * | 1999-07-27 | 2000-02-18 | 唐澤化成株式会社 | 混注管 |
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JPH01115413A (ja) * | 1987-10-28 | 1989-05-08 | Asahi Chem Ind Co Ltd | モジュール外筒のシール方法 |
JP4903427B2 (ja) * | 2005-11-30 | 2012-03-28 | ジョプラックス株式会社 | 透析用カプラ |
US8343137B2 (en) * | 2008-04-01 | 2013-01-01 | Gambro Lundia Ab | Medical connector |
JP5493390B2 (ja) * | 2009-02-27 | 2014-05-14 | 東レ株式会社 | 栓体およびこれを具備する医療用具 |
CN102770169B (zh) * | 2010-02-22 | 2015-08-26 | 旭化成医疗株式会社 | 医疗用具及中空纤维膜型医疗用具 |
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2013
- 2013-10-03 CN CN201380052586.XA patent/CN104703638A/zh active Pending
- 2013-10-03 RU RU2015117532A patent/RU2015117532A/ru not_active Application Discontinuation
- 2013-10-03 JP JP2013551089A patent/JPWO2014057856A1/ja active Pending
- 2013-10-03 EP EP13844860.0A patent/EP2907533A4/en not_active Withdrawn
- 2013-10-03 KR KR1020157002352A patent/KR20150067123A/ko not_active Application Discontinuation
- 2013-10-03 CA CA 2886180 patent/CA2886180A1/en not_active Abandoned
- 2013-10-03 WO PCT/JP2013/076900 patent/WO2014057856A1/ja active Application Filing
- 2013-10-09 TW TW102136470A patent/TWI573599B/zh not_active IP Right Cessation
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See also references of EP2907533A4 |
Also Published As
Publication number | Publication date |
---|---|
EP2907533A1 (en) | 2015-08-19 |
TWI573599B (zh) | 2017-03-11 |
JPWO2014057856A1 (ja) | 2016-09-05 |
KR20150067123A (ko) | 2015-06-17 |
TW201427731A (zh) | 2014-07-16 |
RU2015117532A (ru) | 2016-12-10 |
CA2886180A1 (en) | 2014-04-17 |
CN104703638A (zh) | 2015-06-10 |
EP2907533A4 (en) | 2016-06-15 |
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