JP4647992B2 - Medical drainage collection container - Google Patents

Description

  INDUSTRIAL APPLICABILITY The present invention is used in a device for sucking out liquid waste such as blood and other body fluids which are discharged by surgery or treatment at a medical site, and physiological saline used for washing an affected part or a wound part. The present invention relates to a medical drainage container.

Liquid waste such as blood and other bodily fluids that need to be discarded, such as physiological saline used to clean the affected or wounded area, which are discharged by medical treatment, especially surgery or treatment, are collected in a predetermined container by a suction device. However, such waste may contain highly infectious bacteria, etc., and may be discarded due to handling during cleaning or damage to the container. In the situation where things leak, there is a risk of secondary infection to medical workers and patients. Recently, a bag etc. is placed in a suction container with a hollow chamber. In this method, liquid waste is collected by suction, and after collection, only the bag or the like is detached and discarded or incinerated. In addition, a method of solidifying liquid waste by using a solidifying agent (coagulant) simultaneously with or after suction collection to reduce the risk of leakage is used (for example, see Patent Document 1).
JP 2001-190608 A

  The bag body (liner) disclosed in the above document is “integrated by thermally welding a circular plastic lid 3 to an opening of a flexible cylindrical transparent bag 4 made of low-density polyethylene. Further, “the opening end of the bag 4 is formed with a flange 4a having a width corresponding to the width of the flange 3b of the lid 3”. As a manufacturing method of the bag body, a blow molding method or the like can be considered. Since the bag body obtained by the blow molding method is a molded body in which the heel part, the body part, and the bottom part are integrally formed, the overall bag body required for the medical drainage container and the strength of each part On the other hand, there is a disadvantage that it is relatively difficult to bend because of the rigidity of the body, and it is difficult to fold, and the manufacturing cost is high, resulting in poor economic efficiency. Further, for example, in a bag obtained by a high frequency welder method, the trunk portion is excellent in flexibility and easy to fold, but as shown in FIGS. 6A and 6B, the joint portion between the trunk portion and the bottom portion that has been generally used is shown in FIG. Is formed by fusing treatment, and the welding width (hatched part in the figure) is narrow, and the strength required for the bag for medical drainage collection container is partially weakened and breakage due to impact such as dropping In addition to the fear of the bag, the joining work required individual manual work, resulting in high manufacturing costs and poor economic efficiency.

  Accordingly, an object of the present invention is to solve the above-mentioned problem, and improves the bonding between the bag body and the bottom, increases the partial strength at the body and the bottom, and improves the productivity. Another object of the present invention is to provide a bag for a medical drainage collection container that is excellent in economic efficiency.

In order to solve the above-mentioned problems, the invention of claim 1 is a flexible plastic bag made of at least a substantially circular bottom and a substantially cylindrical trunk having an open top, and a flexible plastic bag. In a medical drainage collection container comprising a hard plastic lid body fitted at the upper end and fixed at the outer periphery of the insertion portion, the bottom of the bag body is connected to the lower end periphery of the substantially cylindrical body portion inside the bag body. Formed by welding a welding edge bent in a direction and an outer peripheral edge of a substantially circular bottom member, and the substantially cylindrical body portion is a tapered cylindrical shape opened upward, and is made of the soft plastic The cylindrical body portion of the flexible bag body is twisted using only the flexibility of the bag body, and is used by being folded in the direction between the lid body and the bottom portion. This is a medical drainage collection container.

  The medical drainage collection container bag of the present invention has a welding edge formed by bending the lower end periphery of the substantially cylindrical body part inward of the bag body and the outer peripheral edge of the substantially circular bottom member. By forming the bottom portion, the strength of the joint portion between the bag body and the bottom portion is increased, and the productivity is improved, so that there is an effect that a bag body excellent in economic efficiency can be supplied.

  The present invention will be described in detail below with reference to the drawings. FIG. 1 is a perspective view for explaining an embodiment of a medical drainage collection container bag according to the present invention. Fig.2 (a) is an expansion | deployment top view of the trunk | drum blank of an Example similarly. FIG. 2B is a developed plan view of the bottom member of the embodiment. FIG. 3 is a schematic cross-sectional view for explaining a process showing a state in the middle of manufacturing the bag body of the example. Fig.4 (a) is an exploded perspective view which shows the state which attaches the shaping | molding lid body of an Example similarly. FIG.4 (b) is the explanatory partial expanded sectional view which shows the attachment state of the shaping | molding lid body of an Example similarly. FIG.4 (c) is a perspective view which shows the folded state of the unit of an Example similarly. FIG. 5 is an explanatory view showing a setting state of the medical drainage collection container of the embodiment. FIG. 6A is a partially enlarged perspective view of a joining state between a body portion and a bottom portion of a bag body obtained by conventional high-frequency welding, as viewed from the bottom portion. FIG. 6B is a partial cross-sectional view of FIG.

FIG. 1 is a perspective view for explaining an embodiment of a bag body for a medical drainage recovery bag according to the present invention. The bag body A for a medical waste liquid recovery container is made of a synthetic resin sheet material such as LDPE (low density polyethylene). As shown in FIG. 1, a substantially cup-shaped bag body A is formed of a tapered cylindrical body 1 having an upper edge opened and opened upward and a closed bottom 2. In addition, the hatching part in a figure has shown the heat bonding part.
Fig.2 (a) is an expansion | deployment top view of the trunk | drum blank of an Example similarly. FIG. 2 (b) is also a developed plan view of the bottom member of the embodiment, in which a fan-shaped body blank E is wound, and the overlapping portions of both side ends 1a, 1b of the body blank E are in an envelope-attached state. A cylindrical body 1 with a taper that opens upward by heat bonding is formed, and a lower edge of the body 1 is bent toward the inside of the bag A to form a welding edge 3, and the welding edge 3 and a substantially circular bottom The bottom part 2 is formed by thermally bonding and closing the outer peripheral edge of the member F. In addition, the lower end dotted line part of the blank E of Fig.2 (a) has shown the bending line which forms the welding edge 3. FIG.

FIGS. 3A, 3B and 3C are schematic sectional views for explaining the process showing the state of the manufacturing process of the bag body of the embodiment. In manufacturing the bag body A, the LDPE ( A fan-shaped body blank E formed by punching a sheet material made of synthetic resin such as low-density polyethylene is wound around a tapered cylindrical support member M, as shown in FIG. The overlapping portions of both side edges 1a and 1b of the blank E are welded into an envelope-bonded state to form a tapered cylindrical body 1 and then, as shown in FIG. The bottom edge is bent inward of the bag body A to form a welding edge 3, and the welding edge 3 and the outer peripheral edge of the substantially circular bottom member F are welded and closed as shown in FIG. 2 is formed.
The welding edge 3 formed by bending the lower edge of the body portion 1 toward the inner side of the bag A can have a bending width necessary for a welding portion corresponding to the bonding strength between the body portion 1 and the bottom portion 2. It is possible to provide a wider width (thermal bonding part) than the conventional technology, reducing the risk of bag breakage due to partial weakening and drop impacts caused by the narrow welding width, and medical drainage Not only can the sufficient strength of the bag required for the collection container be obtained, but also there is no overhang of the fusing portion as seen in the prior art of FIG. In this case, no resistance is generated, and the efficiency of drainage recovery can be improved by inscribed more. Further, by automating the joining of the body 1 and the bottom 2, it is possible to reduce the cost by shortening the manufacturing time.

  FIG. 4A is an exploded perspective view showing a state in which the molded lid of the embodiment can be attached, and FIG. 4B is a partially enlarged sectional view for explanation showing the attached state of the molded lid of the embodiment. The molded lid B includes a substantially circular top plate 5, a fitting edge 4 that is erected on the peripheral edge of the top plate 5 and is fitted into the upper edge opening of the bag A, and an upper peripheral edge of the fitting edge 4. And a peripheral peripheral portion 6 projecting outward in the horizontal direction. A central peripheral wall 7 is formed in the central portion of the top plate 5 so as to penetrate the central opening 7a. A suction pipe 8 having a suction port 8a and a suction pipe 9 having a suction port 9a are provided at positions, and a plurality of reinforcing ribs are provided radially from the peripheral wall 7 to the inner wall of the fitting edge 4. It is installed. In addition, a drainage coagulant enclosure or a sealing lid can be attached to the central port 7a, but the central port 7a can be omitted if not necessary. The ring holder C includes an annular clamping edge 10 and a peripheral flange portion 11 that protrudes in the outer horizontal direction continuously to the upper edge of the clamping edge 10. The annular projecting pieces 12 and 12 are projected in two upper and lower stages.

  The upper edge opening of the bag A in which the insertion edge 4 of the molding lid B is inserted is welded to the outer periphery of the insertion edge 4 by pressurization and heating, and the molding lid B and the bag A are joined. Further, an annular holding edge 10 of the ring holder C is fitted to the outer periphery of the insertion edge 4 of the molded lid B which is the joint portion with an upper edge opening of the bag body A, and the peripheral edge thereof. The part 11 is fixed in contact with the lower end of the peripheral flange part 6 of the molding lid B. As shown in FIG. 4 (c), the medical drainage recovery unit G configured as described above is turned upside down, that is, a molded lid B as the body 1 of the bag A is twisted as shown in FIG. And can be used by being folded in the direction between the bottom plate 2 and the bottom plate 2.

  FIG. 5 is an explanatory view showing the setting state of the medical drainage recovery container of the embodiment. The medical drainage recovery unit G is inserted from the upper opening of the suction outer container D, and the medical drainage recovery unit G is inserted. The lower edge of the peripheral flange 11 of the ring holder C constituting the ring abuts the upper edge of the suction outer container D, and the annular protrusions 12 and 12 of the ring holder C are also the upper edge of the suction outer container D. A cover (not shown) is connected to the suction pipe 8 of the medical drainage recovery unit G, and a vacuum generator or the like is connected to the suction pipe 9. Connect the vacuum hose (not shown) to complete the setting for collecting the drainage.

  Blood or other bodily fluids that need to be discarded due to surgery or treatment, etc., and drainage fluids such as physiological saline used to wash the affected or wounded area are aspirated from a drainage suction tube and collected as medical drainage. Collected in the bag A of the unit G. As shown in FIG. 5, in the case where the drainage coagulant enclosure H is attached in advance, the coagulant is sprayed by the operation to coagulate the drainage in the bag A, or the drainage coagulant enclosure etc. For those not attached, a coagulant prepared separately is introduced from the central port to coagulate the drainage in the bag A, and then resealed with a lid or the like, and then from the outer container D for suction. The medical drainage recovery unit G is removed and the incineration process is performed.

The perspective view for description of the Example of the bag body for medical drainage collection containers which concerns on this invention. (A) The expansion | deployment top view of the trunk | drum blank of an Example similarly. (B) The expansion | deployment top view of the bottom part member of an Example similarly. The schematic sectional drawing for process description which shows the middle stage of manufacture of the bag body of an Example similarly. (A) The disassembled perspective view which shows the state which can attach the shaping | molding lid body of an Example similarly. (B) The explanatory partial expanded sectional view which shows the attachment state of the shaping | molding lid body of an Example similarly. (C) The perspective view which similarly shows the folding state of the unit of an Example. Explanatory drawing which similarly shows the setting state of the medical drainage collection container of an Example. (A) The partially expanded perspective view which looked at the joining state of the trunk | drum and bottom part of the bag body by the conventional high frequency welding process from the bottom part direction. (B) The fragmentary sectional view of Fig.6 (a).

Explanation of symbols

A Bag body B Molded lid C Ring holder D Suction outer container E Body blank F Bottom member G Medical drainage recovery unit H Coagulant enclosure M Bearing member 1 Body 1a, 1b Body side end 2 Bottom 3 4 Welding edge 4 Inserting edge 5 Top plate 6 Circumferential flange 7 Central peripheral wall 7a Central port 8 Suction pipe 8a Suction port 9 Intake pipe 9a Inlet 10 Holding edge 11 Circumferential flange 12 Ring-shaped protruding piece

Claims (1)

A soft plastic flexible bag comprising at least a substantially circular bottom and a substantially cylindrical body having an upper end open, and a hard plastic that is fitted to the upper end of the bag and is fixed at the outer periphery of the fitting A medical drainage container comprising a lid made of plastic, wherein the bottom portion of the bag body has a welding edge and a substantially circular bottom portion member formed by bending the lower end periphery of the substantially cylindrical body portion toward the inside of the bag body. The cylindrical barrel of the flexible plastic bag body is formed by welding the outer peripheral edge of the flexible cylindrical body, and the substantially cylindrical barrel portion is a tapered cylindrical shape opened upward. A medical drainage collection container that is used by being folded in the direction between the lid and the bottom by twisting the portion using only the flexibility of the bag .

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