JP2019018885A - Flexible container - Google Patents

Abstract

To provide a flexible container which favorably prevents exposure of a medical device such as a puncture needle, and which is deformable by proper flexibility.SOLUTION: A flexible container 10 includes: a flexible bag body 12 in which an internal space 11 is formed inside; and a flexible metal fiber layer 20 which is laminated on the bag body 12 and in which a plurality of metal wires 22 are aggregated. Then, a wire diameter of each of the plurality of metal wires 22 is 0.1 mm-0.2 mm. Thereby, the flexible container 10 can favorably prevent exposure of a puncture needle by preventing breakage of the metal wires 22 and can change the form according to the use form.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a flexible container for housing a medical device having a puncture needle, for example.

  When a doctor or nurse visits a patient at home and performs a medical practice (during a medical visit), the medical device such as a syringe used for treatment is accommodated in a medical waste container. For example, the medical waste container disclosed in Patent Document 1 includes a box-shaped main body and a needle piercing body that punctures a sharp portion of an injection needle used in the main body, so that it is possible to recap the needle. As well as reducing needle piercing.

JP 2014-176445 A

  However, the box-shaped main body as disclosed in Patent Document 1 is formed to be hard so as not to apply an external force to the medical device. Therefore, it is bulky and easily takes a large space, and when carrying a medical waste container in a home visit bag, a lot of labor is required such as devising how to pack other devices.

  Here, it is also conceivable that the main body of the medical waste container has a flexible structure (flexible container). However, when the flexible container is simply used, even if the injection needle is stuck in the needle stab, an operation such as changing the posture of the injection needle or pressing the injection needle occurs due to the bending or external force of the container. For this reason, in some cases, the injection needle breaks through the container, and there is a possibility that erroneous puncture or the like may occur.

  The present invention has been made in view of the above-described circumstances, and it is possible to securely prevent exposure of a medical device or the like having a puncture needle, and to be freely deformable by appropriate flexibility. An object of the present invention is to provide a flexible container that can be easily obtained and has good usability.

  In order to achieve the above object, a flexible container according to the present invention is configured such that a flexible bag body and a plurality of metal wires are aggregated and laminated on the bag body. A metal fiber layer, wherein each of the plurality of metal wires has a diameter of 0.1 mm to 0.2 mm.

  According to the above, the flexible container has a metal fiber layer composed of a metal wire having a wire diameter of 0.1 mm to 0.2 mm, thereby preventing breakage of the metal wire even when an external force is applied to the puncture needle. Can do. Therefore, even if the container is discarded without recaping the puncture needle, exposure of the puncture needle can be firmly prevented. Moreover, since the metal fiber layer has flexibility, the flexible container can be freely deformed in accordance with the form of use, and can be easily carried.

  In this case, the metal fiber layer may include a mesh sheet formed by weaving the plurality of metal wires by plain weave or twill weave.

  Since the flexible container includes the metal fiber layer of the mesh sheet woven by plain weave or twill weave, the production can be facilitated, and the production cost of the flexible container can be reduced.

  In addition to the above configuration, the metal fiber layer preferably has a number of eyes between the plurality of metal wires per inch in the range of 30 mesh to 100 mesh.

  By providing the flexible container with a metal fiber layer whose number of eyes is set to 30 mesh to 100 mesh, it is possible to prevent the medical device from being exposed while having flexibility.

  Alternatively, the metal fiber layer may include a non-woven sheet in which the plurality of metal wires are irregularly arranged and a point where the metal wires overlap is point-fused.

  The flexible container can be provided with sufficient flexibility by including a metal fiber layer of a non-woven sheet. Moreover, the non-woven sheet can prevent the medical device from protruding while suppressing the separation of the metal wires by spot-bonding the portions where the metal wires overlap each other.

  Moreover, the said metal fiber layer may be formed in multiple layers with respect to the said bag.

  Since the flexible container is provided with a plurality of metal fiber layers, exposure of the medical device can be more reliably prevented. Moreover, the plurality of layers can be easily formed by folding or stacking the metal fiber sheets, and the manufacturing cost can be suppressed.

  Furthermore, it is preferable that the metal fiber layer has an eye opening ratio between the plurality of metal wires in a range of 20% to 50%.

  By providing the flexible container with a metal fiber layer whose opening ratio is set to 20% to 50%, it is possible to prevent the medical device from being exposed while having flexibility.

  And the said metal wire is good to be comprised with the stainless steel material.

  In the flexible container, the metal fiber layer is made of a metal wire made of stainless steel, so that a metal fiber layer having an appropriate hardness that can be plastically deformed and is not broken by a medical device can be formed.

  Furthermore, it is preferable that the bag body has an openable / closable chuck portion, and the metal fiber layer is provided on the entire inner surface of the bag body on the back side of the chuck portion.

  Since the flexible container includes the metal fiber layer on the entire inner surface of the bag body, the medical device can be prevented from passing through the metal fiber layer and being exposed.

  According to the present invention, the flexible container strongly prevents exposure of a medical device or the like having a puncture needle, and can be freely deformed with appropriate flexibility, thereby facilitating carrying and good usability. Can be obtained.

FIG. 1A is a perspective view showing an overall configuration of a flexible container according to an embodiment of the present invention, and FIG. 1B is an enlarged cross-sectional view taken along arrow IB in FIG. 1A. FIG. 2A is a schematic plan view showing a plain weave metal fiber sheet, and FIG. 2B is a schematic plan view showing a twill metal fiber sheet. It is a schematic plan view which shows the metal fiber layer comprised by the nonwoven fabric sheet. It is explanatory drawing which shows an example of the manufacturing method of a flexible container roughly. It is explanatory drawing which shows the other example of the manufacturing method of a flexible container roughly. It is a table | surface which shows the experimental result of the flexible container which concerns on this invention.

  Hereinafter, preferred embodiments of the flexible container according to the present invention will be described in detail with reference to the accompanying drawings.

  As shown in FIG. 1A, a flexible container 10 according to an embodiment of the present invention is possessed when a user such as a doctor or a nurse visits a patient at home, and is used in a home medical care ( A waste container for medical use (hereinafter also simply referred to as a container 10). Examples of the medical device to be discarded in the container 10 include a syringe having a puncture needle, a winged needle, and the like, or a glass ampoule that can be broken and scattered.

  The container 10 is configured to prevent the puncture needle from breaking through the container 10 even if the puncture needle is accommodated without being recapped at the time of disposal. In addition, the container 10 has sufficient flexibility so that it can be deformed as needed, and is configured to be easily accommodated in a user's home visit bag (not shown). Hereinafter, the container 10 will be specifically described.

  As shown in FIGS. 1A and 1B, the container 10 according to this embodiment includes a flexible bag body 12 and a metal fiber layer 20 laminated on the bag body 12. The container 10 may be appropriately designed so that a size that can accommodate a medical device and a size that is easy to carry (easy to enter a home visit bag) can be compatible. Although the size of the container 10 depends on the object to be accommodated, for example, the height may be about 80 mm to 200 mm and the width may be about 80 mm to 200 mm. The container 10 according to the present embodiment has a height of 110 mm and a width of 110 mm.

  The bag body 12 according to the present embodiment is configured as a bottom gusset type having a gusset portion 16 at the bottom. Therefore, the container 10 can exhibit a thin sheet shape by folding the gusset portion 16 in a state where the medical device is not accommodated. Further, the container 10 can be transformed into a so-called stand type that is placed on a flat place by spreading the bottom (gusset portion 16) by the user when the medical device is discarded. It is.

  The bag body 12 has a pair of side surface portions 14 and gusset portions 16 in the form of a film (or a sheet), and is formed into a predetermined shape by heat-sealing these peripheral portions. Specifically, the bag body 12 includes a side seal portion 18 that seals both ends of the pair of side surface portions 14 in a state where the gusset portion 16 is folded, and a peripheral portion of the gusset portion 16 that is folded back from the pair of side surface portions 14. And a bottom seal portion 19 that seals the pair of side surface portions 14. By forming the entire peripheral portion of the gusset portion 16 to be harder than the other portions by the bottom seal portion 19, the self-supporting property of the container 10 is ensured well.

  An internal space 11 having a predetermined volume is formed inside the container 10 (bag 12) in which the gusset portion 16 is expanded. The volume of the internal space 11 changes according to the shape of the container 10. Further, the container 10 has an opening 11 a that allows the internal space 11 to communicate with the outside of the container 10 in the upper portion (the portion opposite to the gusset portion 16). A pair of side surface portions 14 constituting the opening portion 11a is provided with a chuck portion 30 that seals the internal space 11.

  The chuck portion 30 is fixed to the inner surfaces of the pair of side surface portions 14 by appropriate fixing means, and a structure that can repeatedly close and open the internal space 11 under the operation of the user is applied. The configuration of this type of chuck portion 30 is not particularly limited. For example, the protruding strip portion 30b fixed to the other side surface portion 14 is inserted and engaged with the concave strip portion 30a fixed to the one side surface portion 14. One that closes the opening 11a can be mentioned.

  Although the material which comprises the bag body 12 is not specifically limited, It is good to apply the resin film which has a function which shields a liquid. Examples of this type of material include resin films such as polyethylene, polypropylene, polyolefin, polyethylene terephthalate, polyvinyl chloride, and nylon. Such a material can suppress leakage of body fluids and chemicals from the bag body 12. In addition, aluminum may be vapor-deposited or laminated on the resin film. Thereby, the bag body 12 can prevent visual recognition from the outside, and can prevent a discarded medical device, body fluid, chemical solution, etc. from being shown. These materials may have heat resistance. As a result, the container 10 containing the discarded medical device can be heat sterilized without being damaged even if it is placed in a high-pressure steam sterilizer (autoclave) as it is, thereby suppressing the infectivity of infectious substances such as body fluids. Can do.

  On the other hand, the metal fiber layer 20 has a function of preventing a medical device such as a puncture needle placed in the container 10 from breaking through the container 10. Further, the metal fiber layer 20 according to the present embodiment is configured to have flexibility, so that the shape thereof can be integrally deformed with the bag body 12.

  The metal fiber layer 20 is formed by aggregating a plurality of metal wires 22 into a sheet shape. Here, the aggregation of the plurality of metal wires 22 means that the metal wires 22 have gaps, but are closely overlapped, aligned, crossed, or entangled with each other. Say state.

  In particular, the metal fiber layer 20 according to the present embodiment has a plurality (three in FIG. 1B) of metal fiber sheets 24 (first to third metal fiber sheets 24a to 24c) laminated on the bag body 12. It has a configuration, that is, a three-layer structure. Further, the metal fiber layer 20 is fixed over the entire surface of the pair of side surface portions 14 and the gusset portion 16 on the inner side of the bag body 12 and on the back side (the gusset portion 16 side) of the chuck portion 30. Therefore, the metal fiber layer 20 cannot be visually recognized from the outside of the bag body 12 with the chuck portion 30 closed. In addition, the 1st-3rd metal fiber sheets 24a-24c may be laminated | stacked on the mutually fixed state, or the structure which can be mutually spaced apart by non-sticking may be sufficient.

  For example, as shown to FIG. 2A, the metal fiber sheet 24 (1st-3rd metal fiber sheet 24a-24c) is each formed in the mesh-like sheet | seat by weaving the several metal wire 22 by plain weave. In other words, the plurality of metal wires 22 alternately superimpose the vertical metal wires 22a extending in the vertical direction and the horizontal metal wires 22b extending in the horizontal direction one by one (on the top and the bottom of the metal wires 22). It is configured to exhibit a planar shape as a whole. The cross-sectional shape of each metal wire 22 may be, for example, a circular shape, a polygonal shape, or the like. In the present embodiment, a linear body having a circular cross section is employed.

  In particular, the wire diameters of the metal wires 22 (longitudinal metal wires 22a and transverse metal wires 22b) (the maximum dimension of the line segment between the outer edges passing through the center point or the center of gravity of the cross-sectional shape) are 0.1 mm to 0.00 mm. It is good to set to 2 mm, More preferably, it is good to be 0.1 mm-0.17 mm. Thereby, the metal fiber layer 20 can achieve both the rigidity that cannot be punctured by the puncture needle and the flexibility that is plastically deformed by an external force.

  If the wire diameter of the metal wire 22 is thinner (smaller) than 0.1 mm, there is a high possibility that the metal wire 22 is broken when the puncture needle contacts and pushes the metal wire 22. That is, the puncture needle may break through the metal fiber layer 20. On the other hand, when the wire diameter of the metal wire 22 is thicker (larger) than 0.2 mm, the rigidity of the metal fiber layer 20 becomes too large, and it is difficult to obtain flexibility in which the container 10 is easily deformed. Become.

  In locations surrounded by the vertical metal wires 22a and the horizontal metal wires 22b, meshes 23 (mesh: cavities) having an appropriate size are formed. The metal fiber sheet 24 is preferably designed so that the number of eyes 23 between the plurality of metal wires 22 per inch is appropriately designed. The number of the eyes 23 depends on the diameter of the metal wire 22, but may be set to, for example, 30 mesh to 100 mesh, and more preferably 50 mesh to 90 mesh.

  If the number of eyes 23 is less than 30 mesh even though the metal wire 22 is thin, the opening ratio of the metal fiber sheet 24 increases and the puncture needle passes between the metal wires 22 (metal fiber layer 20). The possibility of penetrating through) increases. On the other hand, when the number of eyes 23 is larger than 100 mesh, the adjacent metal wires 22 become too close to each other, and the rigidity of the sheet becomes high, and it becomes difficult to obtain sufficient flexibility.

  The metal fiber sheet 24 has an opening ratio of the mesh-like sheet (ratio of the opening area of the eyes 23 to the metal wires 22) of 20% to 50 in relation to the wire diameter of the metal wires 22 and the number of the eyes 23. % Is preferably set in the range. This is because if the aperture ratio is smaller than 20%, the flexibility is low as described above, and if the aperture ratio is larger than 50%, the piercing possibility of the puncture needle is increased as described above.

  Although the metal wire 22 which comprises the metal fiber layer 20 is not specifically limited, For example, metal materials, such as stainless steel material, aluminum or aluminum alloy, titanium, or a titanium alloy, are applicable. Examples of the stainless steel material include SUS301, SUS302, SUS303, SUS304, SUS305, SUS309, SUS310, SUS316, and SUS317. In particular, in this embodiment, a stainless fiber made of SUS304 having good corrosion resistance, weldability, and mechanical properties is employed.

  The metal fiber sheet 24 (first to third metal fiber sheets 24a to 24c) constituting the metal fiber layer 20 is not limited to a plain weave mesh as shown in FIG. 2A, and has various forms. Can be adopted.

  For example, as shown in FIG. 2B, the metal fiber sheet 26 (first to third metal fiber sheets 26a to 26c) may be formed into a mesh-like sheet in which a plurality of metal wires 22 are woven in twill. That is, the metal fiber sheet 26 alternately superimposes the vertical metal wires 22a for each of a plurality of (two in FIG. 2B) horizontal metal wires 22b, and similarly, a plurality of the horizontal metal wires 22b By superimposing the metal wires 22a alternately on the vertical direction, a planar shape is obtained as a whole.

  The condition of the metal fiber sheet 26 can be the same as that of the plain weave even in the twill weave. That is, the wire diameter of the metal wire 22 is 0.1 mm to 0.2 mm, the number of eyes 23 between the plurality of metal wires 22 in one inch is 30 mesh to 100 mesh, and the aperture ratio is 20% to 50%. Good. As described above, the container 10 includes the metal fiber layer 20 of the mesh sheet woven by plain weave or twill weave, so that the production can be facilitated and the production cost can be reduced.

  Moreover, as shown in FIG. 3, even if the metal fiber sheet 28 (the 1st-3rd metal fiber sheets 28a-28c) is comprised by the non-woven sheet which has arrange | positioned the several metal wire 22 at random (irregular). Good. For example, the non-woven sheet is formed into a form like absorbent cotton by aggregating a plurality of metal wires 22 bent, bent, meandering, etc. at a high density, and has a planar shape as a whole.

  Further, in the present embodiment, the metal fiber sheet 28 is point-bonded at a part of a portion where the plurality of metal wires 22 intersect and overlap each other. The metal fiber sheet 28 configured in this way is restrained from moving the metal wires 22 individually when an external force is applied. That is, the metal fiber sheet 28 can prevent separation of the metal wires 22 to prevent the medical device from protruding, and can obtain sufficient flexibility.

  The plurality of metal wires 22 do not have to be point-fused. Moreover, the conditions of the metal fiber sheet 28 are good in the wire diameter of the metal wire 22 being 0.1 mm-0.2 mm and opening rate being 20%-50% similarly to plain weave.

  As described above, the metal fiber layer 20 has the physical properties of the entire layer even if the same material is used for the metal wire 22 by appropriately adopting the metal fiber sheets 24, 26, and 28 of plain weave, twill, and non-woven sheets. Can be designed with a high degree of freedom.

  Next, some examples of the method for manufacturing the container 10 according to this embodiment will be described. The container 10 can be manufactured, for example, by performing a sheet forming process, a folding process, and a sealing process as shown in FIG.

  Specifically, in the sheet forming step, the metal fiber layer 20 (three metal fiber sheets 24) is fixed to the long film 40 constituting the bag body 12, and the laminated sheet 42 constituting the container 10 is first attached. To manufacture. The film 40 of the bag body 12 is provided as a series of rolls on which aluminum is vapor-deposited in a prior manufacturing stage. In addition, the metal fiber sheet 24 is also provided with plain weaving with a plurality of metal wires 22 in a prior manufacturing stage.

  Accordingly, in the sheet forming step, the metal fiber layer 20 is formed by cutting a series of metal fiber sheets 24 into an appropriate size, laminating and fixing predetermined layers. The metal fiber layer 20 may be formed by folding the metal fiber sheet 24 cut to a predetermined length.

  And in a sheet forming process, the formed metal fiber layer 20 is affixed on the predetermined position of the film 40 sent out from the roll. The film 40 and the metal fiber layer 20 may be fixed by welding, adhesion, or the like. The welding surface of the film 40 (the pair of side surface parts 14 and the inner surface of the gusset part 16 of the bag 12) may be coated with a welding layer that promotes welding with the metal fiber layer 20. In addition to the metal fiber layer 20, the chuck portion 30 is sealed on the welding surface of the film 40 at an appropriate timing.

  In the folding step, the laminated sheet 42 is folded so that the gusset portion 16 is formed at the bottom while conveying the laminated sheet 42 in which the film 40 and the metal fiber layer 20 are integrated in a bag making and packaging machine (not shown). Thereby, the metal fiber layer 20 comes to oppose inside the bag body 12. Since the folding method by this bag making packaging machine can apply a well-known thing, description is abbreviate | omitted. In addition, you may implement some processes (the sealing of the metal fiber layer 20, the chuck | zipper part 30, etc.) of the sheet | seat formation process mentioned above during conveyance with a bag making packaging machine.

  In the sealing step, the folded laminated sheet 42 is sealed by a bag making and packaging machine to form the side seal portion 18 and the bottom seal portion 19. In the formation of the side seal portion 18, by performing sealing so as to include a part of both sides of the opposing metal fiber layer 20, it is possible to prevent a gap from being generated at the boundary between the opposing metal fiber layers 20. Thereby, the metal fiber layer 20 is satisfactorily fixed to the entire inner surface of the bag body 12 below the chuck portion 30.

  Moreover, the container 10 which concerns on this embodiment can also be manufactured by inserting the metal fiber layer 20 with respect to the bag body 12 made into a bag, as shown in FIG. At this time, the metal fiber layer 20 may be folded up and down so as to have a gusset, and both sides of the folded state may be folded back. Thereby, the container 10 can prevent the accommodated puncture needle from passing through both side portions from the inside of the metal fiber layer 20 and breaking through the bag body 12. In addition, the metal fiber layer 20 may be configured to eliminate the gap between the two side portions by sewing together both sides after folding with a separately prepared metal wire 22.

  Next, the operation and effect of the container 10 according to this embodiment will be described.

  As described above, the container 10 is carried in a home visit bag by the user, and medical equipment used for home visit medical care or the like is discarded. Here, since the bag body 12 and the metal fiber layer 20 have flexibility, the container 10 is accommodated in the home visit bag in a state of being plastically deformed into a shape that is easy to carry.

  For example, when the medical device is not accommodated, the container 10 has a thin sheet shape in which the gusset portion 16 is crushed by the air in the internal space 11 being removed and sealed by the chuck portion 30. On the other hand, when the medical device is accommodated, the container 10 exhibits a state inflated by an amount corresponding to the outer shape of the medical device. In any form, the container 10 can be made compact as compared with a hard box-shaped container, and can be easily carried.

  Moreover, the puncture needle of a medical device has a sharp cutting edge at the tip, and if it is accommodated in a flexible bag body without the metal fiber layer 20, it will easily protrude when an external force is applied to the puncture needle. End up. On the other hand, the container 10 according to the present embodiment has the metal fiber layer 20 composed of the metal wire 22 having a thickness of 0.1 mm to 0.2 mm, so that even if an external force is applied to the puncture needle, Demonstrate sufficient resistance. That is, breakage of the metal wire 22 can be prevented, and the metal fiber layer 20 can satisfactorily prevent the puncture needle from protruding (in other words, exposure of a sharp container).

  For example, in home visit medical care, a 21 gauge gauge may be used as the largest puncture needle. The metal fiber layer 20 under the conditions described above (the metal wire 22 has a wire diameter of 0.1 mm to 0.2 mm, the number of eyes 23 is 30 mesh to 100 mesh, and the aperture ratio is 20% to 50%) However, non-penetration performance can be sufficiently exhibited.

  As described above, the container 10 according to the present embodiment includes the metal fiber layer 20 composed of the metal wire 22 having a wire diameter of 0.1 mm to 0.2 mm, so that even if an external force is applied to the puncture needle, Breakage of the line 22 can be prevented. Therefore, even if the medical device is discarded without recapping the puncture needle, exposure of the puncture needle can be firmly prevented. In addition, since the metal fiber layer 20 has flexibility, the container 10 can be freely deformed in accordance with the form of use, and can be easily carried.

  In this case, the container 10 has flexibility by including the metal fiber layer 20 in which the number of eyes 23 is set to 30 mesh to 100 mesh or the opening ratio is set to 20% to 50%. However, the puncture needle can be satisfactorily made non-penetrating. In particular, the container 10 can form the metal fiber layer 20 having an appropriate hardness that can be plastically deformed and is not broken by a medical device because the metal fiber layer 20 is made of a metal wire 22 made of stainless steel.

  Furthermore, since the container 10 is provided with a plurality of metal fiber layers 20, exposure of the medical device can be more reliably prevented. Moreover, the metal fiber layer 20 can be easily formed by folding or stacking a plurality of metal fiber sheets 24, and the manufacturing cost can be reduced. In addition, since the container 10 includes the metal fiber layer 20 on the entire inner surface of the bag body 12, the metal fiber layer 20 can prevent the medical device from breaking through the inner space 11 without a gap.

  In addition, this invention is not limited to the above-mentioned embodiment, A various change is possible along the summary of invention. For example, the container 10 can accommodate not only medical devices but also various objects (particularly, dangerous objects such as blades).

  The container 10 is not limited to the above-described bottom gusset type, and can take various shapes in which the metal fiber layer 20 can be provided. For example, the container 10 can employ a bag that does not have the gusset portion 16, a gusset type bag that has the gusset portion 16 on the side, and the like. The container 10 may have a configuration in which the metal fiber layer 20 is laminated on the outer peripheral surface (front surface) side of the bag body 12. Even in this case, exposure of the medical device can be prevented.

  Moreover, although the metal fiber layer 20 was comprised by 3 layers (1st-3rd metal fiber sheet 24a-24c) in this embodiment, it is not limited to this, For example, 1 layer or 2 layers may be sufficient, or It may be composed of four or more layers. Furthermore, when the metal fiber layer 20 is configured in a plurality of layers, physical properties (wire diameter, number of openings, aperture ratio, hardness, etc.) are layers by adopting different types of metal wires 22 and woven states for each layer. Of course, it may be different for each.

  A sample of the container 10 (two configuration examples according to the present invention and two comparative examples) was manufactured, and it was verified whether the medical device protruded when the medical device was actually accommodated. Hereinafter, the results will be described with reference to FIG.

  The container 10 according to the first configuration example formed a metal fiber sheet 24 using SUS304 as a material and applying a metal wire 22 having a wire diameter of 0.12 mm. The metal fiber sheet 24 is an 80 mesh plain weave and has an opening ratio of about 40%. Furthermore, the metal fiber layer 20 was accommodated in the inside of the bag 12 as shown in FIG.

  The container 10 according to the second configuration example formed a metal fiber sheet 24 using SUS304 as a material and applying a metal wire 22 having a wire diameter of 0.15 mm. The metal fiber sheet 24 is a 60-mesh plain weave and has an aperture ratio of about 27%. Furthermore, the metal fiber layer 20 was accommodated in the bag body 12 as a configuration in which the two metal fiber sheets 24 were stacked.

  The container 10 according to the first comparative example was formed with a metal fiber sheet 24 using SUS304 as a material and applying a metal wire 22 having a wire diameter of 0.05 mm. The metal fiber sheet 24 is an 80 mesh plain weave and has an opening ratio of about 70%. Furthermore, the metal fiber layer 20 was accommodated in the bag body 12 as a configuration in which the above-described metal fiber sheets 24 were stacked in three layers.

  The container 10 according to the second comparative example formed a metal fiber sheet 24 using SUS304 as a material and applying a metal wire 22 having a wire diameter of 0.03 mm. Moreover, the metal fiber sheet 24 is a 300-mesh plain weave and has an aperture ratio of about 40%. Furthermore, the metal fiber layer 20 was accommodated in the bag body 12 as a configuration in which the two metal fiber sheets 24 were stacked.

  That is, in the experiment, the container 10 of the first and second configuration examples has the metal fiber layer 20 having the above-described conditions, while the first and second comparative examples have the above-described wire diameter of the metal wire 22 of the metal fiber layer 20 described above. It is configured to be thinner than the specified conditions. In the experiment, as a medical device, a puncture needle (a cap made from a 23 gauge winged needle and a 21 gauge injection needle) and a glass ampoule were accommodated, the chuck portion 30 was closed, and then the outer side of the bag body 12. External force was applied to the puncture needle and glass ampoule.

  As a result of the experiment, in the container 10 according to the first and second configuration examples, even when the puncture needle was pushed from the outside, the puncture needle protruded outside the container 10, that is, there was no exposure of the medical device. Further, even if the glass amplifier was damaged by an external force, the fragments did not come out of the container 10. In contrast, in the container 10 according to the first comparative example, when the puncture needle was pushed from the outside, the puncture needle penetrated the metal fiber layer 20 and was exposed from the bag body 12. Furthermore, the container 10 which concerns on a 2nd comparative example penetrated the container 10 with the fragment of the glass ampule.

  Therefore, the container 10 (container 10 according to the present invention) having the metal fiber layer 20 with the wire diameter of the metal wire 22 of 0.1 mm or more favorably prevents the medical device (a puncture needle or a glass ampule fragment) from protruding. I can say that. Note that the containers 10 according to the first and second configuration examples also had flexibility that can be appropriately deformed.

  As described above, by having the metal fiber layer 20 according to the present invention, the container 10 can satisfactorily prevent exposure of a medical device such as a puncture needle, and can be freely deformed by appropriate flexibility. It can be said.

DESCRIPTION OF SYMBOLS 10 ... Flexible container (container) 11 ... Internal space 12 ... Bag body 20 ... Metal fiber layer 22 ... Metal wire 23 ... Eyes 24, 26, 28 ... Metal fiber sheet 30 ... Chuck part

Claims (8)

A flexible bag,
A metal fiber layer laminated on the bag body and configured to aggregate a plurality of metal wires and have flexibility, and
Each wire diameter of these metal wires is 0.1 mm-0.2 mm. A flexible container characterized by things. The flexible container according to claim 1,
The metal fiber layer includes a mesh-like sheet configured by weaving the plurality of metal wires by plain weave or twill weave. The flexible container according to claim 2,
The flexible container, wherein the metal fiber layer has a number of eyes between the plurality of metal wires per inch in a range of 30 mesh to 100 mesh. The flexible container according to claim 1,
The flexible container, wherein the metal fiber layer includes a non-woven sheet in which the plurality of metal wires are irregularly arranged and a point where the metal wires overlap is point-fused. In the flexible container of any one of Claims 1-4,
The said metal fiber layer is formed in multiple layers with respect to the said bag body. The flexible container characterized by the above-mentioned. In the flexible container of any one of Claims 1-5,
The flexible container, wherein the metal fiber layer has an eye opening ratio between the plurality of metal wires in a range of 20% to 50%. In the flexible container of any one of Claims 1-6,
The said metal wire is comprised with the stainless steel material. The flexible container characterized by the above-mentioned. In the flexible container of any one of Claims 1-7,
The bag body has an openable / closable chuck portion,
The flexible container characterized in that the metal fiber layer is provided on the entire inner surface of the bag body behind the chuck portion.

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