JP5580761B2 - Disinfection wiping tool for hollow connector provided in infusion line for indwelling - Google Patents

Description

  The present invention relates to a stopcock (this book) including a male connector or an attached three-way stopcock provided at one end of an indwelling catheter or an indwelling needle (herein, these are collectively referred to as an “infusion liquid line for indwelling”) In the specification, these are generically referred to as “hollow connectors”.) This is a technique related to a disinfecting wiping tool that can simultaneously wipe the inner peripheral surface and the outer peripheral surface of the connection portion with the mating member.

  The infusion line for indwelling typically includes a male connector for connecting to a mating member at one end that is drawn out of the patient's body, and each mating member, such as a hemodialyzer, is connected via the connector. It can be quickly and easily connected to a female connector provided in the fluid line.

  The connection site of such a connector provided at one end of the infusion line for indwelling is connected to a female connector provided in the fluid line of the dialysis machine, which is a mating member, and foreign matter or contamination when removed from the connector. As a result of being exposed to objects, it is necessary to sterilize and remove contamination before connecting.

  For example, “Lure Cleaner” disclosed in Patent Document 1 and “Device for Reducing Microbial Contamination” disclosed in Patent Document 2 have already been proposed for such disinfection. ing.

Special table 2008-506465 gazette

JP 2009-136681 A

  Among these, the “luer cleaner” of Patent Document 1 has a first end portion opened and a second end portion closed, and includes a longitudinal axis penetrating between the first end portion and the second end portion. A generally hollow body, the first end is sized to receive a luer therein, and the first end substantially engages a luer disposed therein; A plurality of bristles extending sufficiently toward the longitudinal axis, the second end including a compressible reservoir for containing fluid, and when the second end is compressed, the fluid is It is formed so as to be transferred toward one end.

  In addition, the “device for reducing microbial contamination” of Patent Document 2 is a medical device used in combination with a connector of an indwelling line, and includes a proximal portion and a distal portion separated from each other by a partition. Each including a proximal portion and a distal portion of the housing defining an individual proximal and distal cavity, wherein the proximal and distal cavities are in fluid communication, and the distal portion is a connector of the indwelling line. Selectively coupled, formed with a microbial reducing agent disposed within the proximal cavity and having a deformable member surrounding the end of the proximal portion to maintain the microbial reducing agent within the proximal cavity. Yes.

  However, the disclosed technique of Patent Document 1 is intended to clean only the outer peripheral portion of the luer connector, and as a result of complicating the member configuration, there is a disadvantage that it becomes expensive in terms of cost for consumables. .

  Further, the disclosed technique of Patent Document 2 is not limited to cleaning the distal end surface and the outer peripheral surface of the connector without the needle, and the member configuration is complicated. As a result, the disclosed technique of Patent Document 1 is the same. As a consumable, there was a problem that it was expensive in terms of cost.

  In view of the above problems of the prior art, the present invention provides a hollow connector provided in an infusion line for indwelling capable of simultaneously wiping and disinfecting a hollow inner peripheral surface and an outer peripheral surface at a connection end of a hollow connector. It is an object to provide a disinfecting wiping tool.

The present invention has been made to achieve the above object, and the connection end of the hollow connector for connection provided in the open end of the infusion line for indwelling is inserted so as to connect to an appropriate counterpart member to be connected. A bottomed container having an inlet at one end and having a flexible peripheral wall part, and the bottomed container impregnated and held with a disinfectant solution to disinfect the connection end part of the hollow connector and absorbing member made of a material rich in elastic absorbent housed disposed within, the inlet of the bottomed container is composed of a sealing material to the openable sealing, the bottomed container, synthetic resin The inner wall is made to have a thickness of 0.1 to 1 mm that can be bent and deformed, using the material as a raw material, and is uniformly projected around the inner circumference to prevent the absorbent member from falling off. To be a joint allowance for joining and fixing the flange and the sealing material Serial in becomes eaves portion flush with an outer overhanging portion which has equally flared around the outer periphery, wherein said absorbent member has a hollow inner periphery of the connection end portion of the hollow connector inserted from said inlet port An inner surface pressure contact portion that elastically enters the surface and press-contacts, and a space portion secured between the outer peripheral surface of the connection end and the inner peripheral surface of the peripheral wall portion of the bottomed container, The main feature is that it is formed with the outer surface pressure contact portion.

In this case, it is desirable that the bottomed container is formed by providing a taper in which the inner diameter of the peripheral wall portion is increased toward the introduction port .

  Further, the inner surface pressure contact portion is a columnar portion having an outer diameter larger than the diameter of the hollow inner peripheral surface at a substantially central portion in the axial direction of the absorbing member, and the outer surface pressure contact portion surrounds the columnar portion. It can be formed as two compartments as the surrounding portion. In addition, the inner surface pressure contact portion and the outer surface pressure contact portion have a large number of cross-cuts so that the length of one side in the axial direction of the absorbing member is shorter than the diameter of the hollow inner peripheral surface. It may be formed as a set of small-diameter columnar sections partitioned separately.

According to the first aspect of the present invention, the inner surface of the connection end of the hollow connector inserted from the introduction port is provided with the inner surface pressure contact portion of the absorbent member, the outer peripheral surface of the connection end of the hollow connector and the bottomed container. Since the outer surface pressure contact portion of the absorbent member can be pressed into the space secured between the peripheral wall portion and the inner peripheral surface of the peripheral wall portion, the peripheral wall portion of the bottomed container can be rotated while being pressed with fingers. The hollow inner peripheral surface and the outer peripheral surface of the connection end portion of the hollow connector can be wiped off simultaneously with the disinfectant liquid impregnated and held in the absorbent member, and can be surely sterilized. At this time, since the peripheral wall portion is formed with a thickness of 0.1 to 1 mm that can be bent and deformed, the bottomed container can be securely adhered to the absorbing member side.

In addition, since the introduction port of the bottomed container is provided with an inner flange portion that uniformly protrudes around the inner periphery so as to prevent the absorption member from being pulled out, it is accommodated in the bottomed container. It is possible to reliably prevent the absorbing member from coming out of the bottomed container during the wiping operation or after the completion of the operation. In addition, the introduction port of the bottomed container is also provided with an outer flange portion that is flush with the inner flange portion and is uniformly projected around the outer periphery, so that the sealing material is bonded and fixed. It can be used as a bill. In addition , the entire disinfecting wiping tool can be formed at a low cost as a consumable because it can be formed with a simple member configuration at a reduced cost.

  According to the invention according to claim 2, since the bottomed container is provided with a taper in which the inner diameter of the peripheral wall portion is increased toward the introduction port direction, not only has excellent die cutting processability, The absorbing member can be accommodated and arranged more easily.

According to the invention of claim 3 , the inner surface pressure contact portion is a columnar portion having an outer diameter larger than the diameter of the hollow inner peripheral surface, and the outer surface pressure contact portion is two compartments that are surrounding portions surrounding the columnar portion. Because it is formed, a columnar part is pressed into the hollow inner peripheral surface of the connection end of the hollow connector, and secured between the outer peripheral surface of the connection end of the hollow connector and the inner peripheral surface of the peripheral wall of the bottomed container. By press-fitting the surrounding portion into the space portion, the hollow inner peripheral surface and the outer peripheral surface of the connection end of the hollow connector can be wiped off at the same time and more reliably sterilized.

According to the fourth aspect of the invention, the inner surface pressure contact portion and the outer surface pressure contact portion of the absorbing member are thinly formed with a large number of cross cuts so that the length of one side is shorter than the diameter of the hollow inner peripheral surface. Since it is formed as a set of diameter columnar parts, a plurality of small diameter columnar parts are press-fitted into the hollow inner peripheral surface of the connection end of the hollow connector, and the outer peripheral surface of the connection end of the hollow connector and the bottomed container The hollow inner peripheral surface and the outer peripheral surface of the connection end of the hollow connector are simultaneously pressed by press-fitting a large number of small-diameter columnar portions in the space secured between the inner peripheral surface of the peripheral wall portion It can be wiped down and sterilized more reliably.

The disassembled perspective view which shows the structural example of this invention with the bottomed container of a fundamental structure . The perspective view which shows an example of the bottomed container which comprises this invention. Perspective view showing another example of the absorbent member which constitutes the present invention. The principal part perspective view which shows an example of the hollow connector with which the infusion line for indwelling is provided. The principal part explanatory drawing which shows an example of the use condition of this invention.

  As shown in FIG. 4, the disinfecting wiping tool 11 according to the present invention is an appropriate mating member, for example, a dialysis machine, to be connected in the hollow connector 53 provided in the open end 52 of the infusion line 51 for indwelling. It is used for simultaneously wiping the hollow inner peripheral surface 55 and the outer peripheral surface 56 at the connection end portion 54 with the female connector provided in the fluid line. In addition, as the hollow connector 53, the inner diameter is about 4 mm and the outer diameter is about 7 mm, and the outer diameter located between the connection end 54 and the infusion line 51 for indwelling. Is formed of a thin tube portion 57 having a length of about 5.57 mm and a length of about 67 mm.

That is, as illustrated in FIG. 1, the disinfecting wiping tool 11 has an introduction port 13 into which the connection end portion 54 of the hollow connector 53 is inserted at one end, and has a flexible peripheral wall. The bottomed container 12 as an example of the basic configuration provided with the portion 14 and an elastic absorbent member that is accommodated and disposed in the bottomed container 12 by impregnating and holding a disinfectant solution to disinfect the connection end 54 of the hollow connector 53 22 and a sealing material 32 that seals the inlet 13 of the bottomed container 12 so as to be openable.

Of these, the bottomed container 12 is made of polypropylene, polyethylene, nylon, and wall thickness flexures look deformed available-for 0.1~1mm about the peripheral wall portion 14 a suitable synthetic resin material, including polycarbonate as a raw material, In addition, the peripheral wall portion 14 is integrally formed by die-cutting so that a taper in which the inner diameter gradually increases from the bottom portion 15 toward the introduction port 13 is provided.

  In this case, the inlet 13 of the bottomed container 12 is formed with a diameter of, for example, 7 mm or more, which is the outer diameter of the connection end 54 of the hollow connector 53, and thereby the connection end of the hollow connector 53. 54 can be inserted smoothly. Further, the height of the peripheral wall portion 14 of the bottomed container 12 is formed so as to have a dimension that exceeds the length in the axial direction of the connection end portion 54 of the hollow connector 53.

  For this reason, the bottomed container 12 can be easily bent by being able to completely introduce the connection end portion 54 of the hollow connector 53 into the inside thereof, and by slightly pushing the peripheral wall portion 14 with a finger from the outside. Flexibility can be provided. In addition, although illustration is abbreviate | omitted, in the surrounding wall part 14 of the bottomed container 12, the intensity | strength can also be raised more by providing the multiple rib along the height direction. .

Further, the inlet 13 of the bottomed container 12, the inner visor portion 16 is set to uniformly slightly flared so were for example the inside diameter from the viewpoint of blocking around the inside circumference of the guide inlet 13 falling off is more than 7mm absorbent member 22 It is Furthermore, the inlet 13 of the bottomed container 12, an outer overhang portion 17 is set which has equally flared around the outer circumference be flush with the inner visor portion 16 as is shown in Figure 2 it is and, thereby the sealing material 32 can be utilized as a bonding allowance for stably bonding fixation.

  On the other hand, the absorbing member 22 formed of a material rich in elasticity and absorbency such as polyurethane foam, cotton, Japanese paper, etc. is elastic in the hollow inner peripheral surface 55 at the connection end portion 54 inserted from the introduction port 13. The inner surface pressure contact portion 23 that enters and press-contacts, and the space portion 18 that is secured between the outer peripheral surface 56 of the connection end portion 54 and the inner peripheral surface 14a of the peripheral wall portion 14 of the bottomed container 12 elastically enters. It is formed by an outer surface pressure contact portion 26 that is in pressure contact.

  In this case, the absorbing member 22 has an outer diameter larger than the diameter of the hollow inner peripheral surface 55 of the hollow connector 55 of FIG. 4 at the substantially central portion in the axial direction of the absorbing member 22 as shown in FIG. For example, the columnar portion 24 having a columnar shape is formed as the inner surface pressure contact portion 23.

  Further, in the absorbing member 22, the outer surface pressure contact portion 26 in the absorbing member 22 is formed by setting the surrounding portion 27 surrounding the columnar portion 24 as the outer surface pressure contacting portion 26. Will be formed as two sections.

  FIG. 3 shows another example of the absorbing member 22. In this example, the inner surface pressing portion 23 and the outer surface pressing portion 26 have a hollow inner peripheral surface 55 each having a side a in the axial direction of the absorbing member 22. It is formed in a prismatic shape as a set of small-diameter columnar portions 28 that are partitioned by inserting a large number of cross-cuts 29 so as to be shorter than the diameter of the diameter. In this case, the absorbing member 22 is not shown, but can also be formed in a cylindrical shape having a large number of small-diameter columnar portions 28.

  For this reason, each small-diameter columnar portion 28 of the absorbing member 22 is press-fitted into the hollow inner peripheral surface 55 of the connection end portion 54 of the hollow connector 53 as the inner surface pressure contact portion 23 depending on the position, or the connection end of the hollow connector 53 It is press-fitted into a space portion secured between the outer peripheral surface 56 of the portion 54 and the inner peripheral surface 14a of the peripheral wall portion 14 of the bottomed container 12.

  Further, it is desirable that the columnar portion 24 that is the inner surface pressure contact portion 23 and the surrounding portion 27 that is the outer surface pressure contact portion 26 of the absorbing member 22 shown in FIG. It may be formed separately.

  Further, in each of the narrow columnar portions 28 in the absorbing member 22 shown in FIG. 3, the cross notch 29 does not enter at a depth reaching the base end portion 30, and therefore the base end portion 30 side is integrally connected.

  In addition, the absorbent member 22 is impregnated with a disinfecting solution in an amount that does not dripping under a natural state where no external force is applied, for example, a disinfecting solution mainly composed of an 80% ethanol solution, and then a bottomed container. 12 is housed and arranged. In this case, the base end 30 side of the absorbent member 22 is preferably bonded and fixed to the inner bottom surface 15 of the bottomed container 12, but may be arranged in a non-bonded state if desired.

The sealing material 32 formed of a plastic sheet material, an aluminum sheet material or the like is used for sealing the inlet 13 of the bottomed container 12 under the state where the absorbing member 22 is accommodated and disposed. is openable bonded using an appropriate joining means to the outer overhang portion 17 shown in the inner visor portion 16 and 2 comprising apertures edges 13a. In addition, as shown in FIG. 1, it is desirable to project the squeeze piece 33 on the sealing material 32 so as to squeeze it with fingers when it is opened.

Next, the operation and effect of the present invention having such a configuration will be described. After the sealing material 32 is peeled off from the bottomed container 12, the infusion line 51 for indwelling is opened as shown in FIG. The end 52 side is held on _one finger F ₁ side, the peripheral wall 14 side in the bottomed container 12 is held on the other finger F ₂ side, and the infusion line 51 for indwelling is provided for the open end 52. after inserting the connecting end portion 54 of the hollow connector 53 from the inlet 13, turns the bottomed container 12 while pushing lightly the peripheral wall portion 14 side at the other fingers F ₂ side.

  At this time, on the hollow inner peripheral surface 55 of the connection end portion 54 of the hollow connector 53 inserted from the introduction port 13, the inner surface pressure contact portion 23 of the absorbing member 22 is connected to the outer peripheral surface 56 of the connection end portion 54 of the hollow connector 53. In the space secured between the inner peripheral surface 14a of the peripheral wall portion 14 of the bottomed container 12, the outer surface pressure contact portion 26 of the absorption member 22 is in pressure contact with each other. As a result, the disinfectant liquid impregnated and held in the absorption member 22 The hollow inner peripheral surface 55 and the outer peripheral surface 56 of the connection end portion 54 of the hollow connector 53 can be wiped off at the same time and reliably sterilized.

  In addition, the entire disinfecting wiping tool 11 can be formed at a low cost as a consumable since it can be formed with a simple member configuration at a reduced cost.

  Moreover, when the taper is provided so that the inner diameter of the peripheral wall portion 14 of the bottomed container 12 is increased in the direction toward the introduction port 13, not only the die cutting processability is excellent, but also the absorption member Storage arrangement can also be performed more easily.

Further, since the inner flange portion 16 is provided at the inlet 13 of the bottomed container 12 so that the absorption member 22 can be prevented from being pulled out, the absorbent member 22 accommodated and disposed in the bottomed container 12 is provided. It is possible to reliably prevent the bottomed container 12 from slipping out during or after the wiping operation.

  In addition, the inner surface pressure contact portion 23 is formed as a columnar portion 24 having an outer diameter larger than the diameter of the hollow inner peripheral surface 55, and the outer surface pressure contact portion 26 is divided into two sections which are surrounding portions 27 surrounding the columnar portion 24. In this case, the columnar portion 24 is press-fitted into the hollow inner peripheral surface 55 of the connection end portion 54 of the hollow connector 53, and the outer peripheral surface 56 of the connection end portion 54 of the hollow connector 53 and the peripheral wall portion 14 of the bottomed container 12. Since the surrounding portion 27 can be press-fitted into the space secured between the inner peripheral surface 14a and the inner peripheral surface 14a, the hollow inner peripheral surface 55 and the outer peripheral surface 56 of the connection end portion 54 of the hollow connector 53 are simultaneously wiped. And can be sterilized more reliably.

  Further, the narrow columnar portion 28 having a large number of cross cuts 29 so that the length of one side of the inner surface pressure contact portion 23 and the outer surface pressure contact portion 26 of the absorbing member 22 is shorter than the diameter of the hollow inner peripheral surface 55. Are formed in the hollow inner peripheral surface 55 of the connection end 54 of the hollow connector 53, and a plurality of small-diameter columnar portions 28 are press-fitted into the outer periphery of the connection end 54 of the hollow connector 53. The connecting end portion of the hollow connector 53 is formed by press-fitting a large number of small-diameter columnar portions 28 into the space portion secured between the surface 56 and the inner peripheral surface 14 a of the peripheral wall portion 14 of the bottomed container 12. The hollow inner peripheral surface 55 and the outer peripheral surface 56 of 54 can be wiped off at the same time and more reliably sterilized.

DESCRIPTION OF SYMBOLS 11 Disinfection tool 12 Bottomed container 13 Introduction port 13a Opening edge 14 Peripheral wall part 14a Inner peripheral surface 15 Inner bottom surface 16 Inner flange part 17 Outer flange part 22 Absorbing member 23 Inner surface press-contact part 24 Columnar part 26 Outer surface press-contact part 27 Enclosure Portion 28 narrow columnar portion 29 cross cut 30 base end portion 32 sealing material 33 squeeze piece 51 infusion line for placement 52 open end portion 53 hollow connector 54 connection end portion 55 hollow inner peripheral surface 56 outer peripheral surface 58 small diameter pipe portion F ₁ and F ₂ fingers

Claims (4)

The infusion line for indwelling to be connected to an appropriate mating member to be connected has an inlet at one end of the connecting end of the connecting hollow connector provided at the open end, and is flexible. A bottomed container having a peripheral wall,
An absorbent member made of a material rich in elasticity and absorbability, which is impregnated and held in a bottomed container to disinfect and hold the connection end of the hollow connector;
It is composed of a sealing material that seals the inlet of the bottomed container so that it can be opened,
The bottomed container is made of a synthetic resin material as a raw material, and the thickness of the peripheral wall portion is 0.1 to 1 mm which can be bent and deformed, and the introduction port has an inner periphery around it to prevent the absorbent member from falling off. And an outer flange portion that is flush with the inner flange portion so as to be a joint allowance for bonding and fixing the sealing material. And
The absorbent member includes an inner surface pressure contact portion that elastically enters and presses into a hollow inner peripheral surface of the connection end portion of the hollow connector inserted from the introduction port, an outer peripheral surface of the connection end portion, and the bottomed container. A disinfecting solution for a hollow connector provided in an infusion line for indwelling, characterized in that it is formed with an outer surface pressure contact portion that elastically enters and presses into a space portion secured between the inner peripheral surface of the peripheral wall portion. Wipes.   The said bottomed container is the wiping tool for disinfection for hollow connectors with which the infusion line for indwelling of Claim 1 with which the internal diameter of the said surrounding wall part provided the taper which diameter-expands toward the said inlet direction is provided. The inner surface pressure contact portion is a columnar portion having an outer diameter larger than the diameter of the hollow inner peripheral surface at a substantially central portion in the axial direction of the absorbing member, and the outer surface pressure contact portion surrounds the columnar portion. A disinfecting wiping tool for a hollow connector provided in the infusion line for indwelling according to claim 1 or 2 formed as two sections . The inner surface pressure contact portion and the outer surface pressure contact portion are separately provided with a large number of cross cuts so that the length of one side in the axial direction of the absorbing member is shorter than the diameter of the hollow inner peripheral surface. The disinfecting wiping tool for a hollow connector provided in the infusion line for indwelling according to claim 1 or 2, which is formed as a set of small-diameter columnar sections to be partitioned .

Images