JPH0579460U - Opening device - Google Patents

Abstract

(57) [Summary] [Purpose] When the film-shaped sealing member for sealing the blood collection tube is removed to open the opening of the blood collection tube, the sealing member is automatically cut and removed within a predetermined range. .. A pair of detent members pierced by a seal member for sealing an opening of a bottomed tubular body, a pressing body slidable along the longitudinal direction of the detent member, And a cutter that cuts the seal member to open.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an opening device used for blood tests and the like, and more particularly to an opening device that cuts and opens a film-shaped sealing member that seals a blood collection tube.

[0002]

[Prior art]

 As is well known, many blood collection tubes used for blood tests and the like are formed of glass or plastic bottomed tubes, and after blood collection, the opening is, for example, a rubber stopper. Currently, it is hermetically sealed.

By the way, in recent years, for example, as disclosed in Japanese Patent Application Laid-Open No. Hei 2-162229, it has been proposed to seal the opening of the blood collection tube with a film-shaped sealing member instead of the rubber stopper. ing.

As shown in FIG. 3, a liquid collecting tube B using this conventional film-like seal member is configured by extending a tab piece 2 on a part of the peripheral edge of a seal member 1, and for example, When the collected blood is transferred to another container, the tab piece 2 of the seal member 1 is peeled off by grasping and pulling it up by hand. Reference numeral 3 in the drawing is a rubber disk seal portion into which a blood collecting needle (not shown) such as a pipette fixed to the outer surface central portion of the seal member 2 is inserted.

[0005]

[Problems of the prior art]

 However, when the tab piece 2 of the seal member 1 is peeled off manually, there is a risk that the contained blood may adhere to the hand and cause blood infection, so it may be possible to do this mechanically. Be done.

However, when the tab piece 2 of the seal member 1 is mechanically peeled off, it is necessary to accurately position the tab piece 2 at a position of a hand member (not shown) that holds the tab piece 2. Therefore, for this purpose, a mechanism for rotating the liquid collection tube held upright in a rack or the like to position the tab piece 2 at the position of the hand member is required, and a detection mechanism for monitoring this positioning state is required. Therefore, there is a problem that the mechanism of the cap opening device becomes very complicated and the cost becomes high.

The present invention has been made in view of the present situation, and an object thereof is to remove a film-shaped sealing member for sealing a blood collection tube to open an opening of the blood collection tube. An object of the present invention is to provide a simple opening device having a structure capable of automatically cutting and removing the sealing member within a predetermined range.

[0008]

[Means for Solving the Problems]

 In order to achieve the above object, in the cap opening device according to the present invention, at least a pair of detent members that are pierced by a seal member that seals the opening portion of the bottomed tubular body, and the detent member The present invention is characterized by comprising a pressing body that is slidable in the longitudinal direction and a cutter that cuts and opens the sealing member.

[0009]

【Example】

 Hereinafter, the present invention will be described in detail based on an embodiment shown in the accompanying drawings.

As shown in FIG. 1, in the blood collection tube B according to this embodiment, the film-shaped seal member 1 is adhered at the opening 5 of the bottomed tube body 4 so that the stored blood is extracorporeal. It is sealed so that it does not leak out.

The main body of this seal member 1 is formed of a single-layer or multi-layer film, and a rubber-made needle through which a blood collecting needle (not shown) such as a pipette is pierced at the center of the outer surface thereof. The disk seal portion 3 is adhered, and the tab piece 2 is integrally extended on a part of the peripheral edge of the main body. Of course, this tab piece 2 may be integrally formed over the entire circumference from the outer peripheral end of the seal member 1 toward the outer horizontal direction. The other components and materials of the seal member 1 are the same as those of the known seal member, and thus detailed description thereof will be omitted here.

On the other hand, as shown in FIGS. 1 and 2, the opening device 10 for cutting and removing the seal member 1 of the blood collection tube B configured as described above has a pair of needle-shaped detents. It is composed of members 11 and 12, a pressing member 14 formed in a tubular shape for holding the detent members 11 and 12, and a cutter 13 having an upper end fixed to the pressing member 14. .

The detent members 11 and 12 are configured so as to descend at the opening position so that their tip portions pierce the disc seal portion 3 of the seal member 1, and the seal member 1 is cut by the cutter 13. After being cut, it is attached to the lifting device (not shown) so as to rise while locking the cut portion, and to be tilted together with the pressing body 14 at the maximum raised position as shown in FIG. ing. Since a known lifting mechanism can be appropriately applied to this lifting device, detailed description thereof will be omitted here.

The cutter 13 is fixed via a screw 16 to a cutter fixing portion 15 provided on the outer peripheral surface of the pressing body 14, and when the pressing body 14 descends, the tip thereof is the seal member. 1 is pierced, and thereafter, when the pressing body 14 rotates, the seal member 1 is cut into a circle. The piercing portion of the seal member 1 of the cutter 13 may be any portion as long as it is within the range from the outer circumference of the disc sealing portion 3 to the inner diameter of the opening 5 of the bottomed tubular body 4. Considering the obstacles when sucking blood with such as, it is desirable to arrange so as to pierce the portion close to the inner diameter of the opening 5 as much as possible.

As described above, the pressing body 14 is configured to be slidable along the longitudinal direction of the rotation preventing members 11 and 12, and is configured to rotate in a fixed direction when being cut by the cutter 13. In addition, after the seal member 1 is cut within a predetermined range by the cutter 13, the seal member 1 and 12 are pivotally tilted together with the detent members 11 and 12, and then the tip ends of the detent members 11 and 12 are slid toward the tip direction. The operation is controlled so that the portion 14a presses the cutting seal member 1 locked to the tips of the rotation preventing members 11 and 12 and separates the cutting seal member 1 from the tips of the rotation preventing members 11 and 12. .

The sliding mechanism, the rotating mechanism, and the rotating and tilting mechanism of the pressing body 14 can be applied by appropriately combining various publicly known mechanisms, and each sealing member 1 can be manually operated. In the case of being configured as a device for cutting with the above, a spiral cutter is arranged on the outer circumference of the rotation preventing members 11 and 12, and the cutter is moved up and down against the urging force of the spring, whereby the seal member It can also be configured to cut 1 into a round.

Therefore, according to the cap opening device of this embodiment, the seal member 1 can be cut into a circle to easily open the opening of the blood collection tube B, and thus the conventional cap opening device of this type. As described above, it is possible to effectively prevent the trouble of sucking blood fluid by a pipette or the like due to dropping the cut seal member into the container B, and at the same time, cut the seal member 1 by hand. Since it can be automatically discarded, for example, to the disposal site of the seal member 1 without touching it, there is no possibility of causing blood infection and it is highly safe, and the configuration is simple, so it is provided at a low price. can do.

In the above-described embodiment, the case where the cutter 13 is attached to the pressing body 14 has been described as an example, but the present invention is not limited to this, and the cutter 13 and the pressing body 14 are not limited thereto. The same effect can be obtained even if the seal member 1 is configured to be cut by rotating the container B without rotating the cutter 13 so that the seal member 1 and 14 are formed separately and independently. Of course.

[0019]

[Effect of the device]

 As described above, according to the opening device of the present invention, when the film-shaped sealing member for sealing the blood collection tube is removed to open the opening of the blood collection tube, the sealing member is kept within the predetermined range. Since it is configured to automatically cut and remove, there is no need to rotate the blood collection tube to position the tab piece and the hand member as in the conventional opening device, and a mechanism for detecting this positioning state is also provided. Since it is not necessary, the excellent effect that the structure of this type of opening device can be greatly simplified and can be provided at a low price is obtained.

[Submission date] June 10, 1993

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0008

[Correction method] Change

[Correction content]

[0008]

[Means for Solving the Problems]

To achieve the above object, in the cap removal device according to the invention includes a member Ru pierced the seal member for sealing the opening in the bottomed tubular body is opened by cutting the upper Symbol seal member It is characterized by comprising a cutter.

[Procedure 3]

[Document name to be amended] Statement

[Correction target item name] 0018

[Correction method] Change

[Correction content]

In the above embodiment, the case where the cutter 13 is attached to the pressing body 14 has been described as an example, but the present invention is not limited to this, and the cutter 13 and the pressing body 14 are not limited thereto. The same effect can be obtained even if the seal member 1 is configured to be cut by rotating the container B without rotating the cutter 13 by forming the body 14 as a separate body and independently. Of course. Further, in this invention, although not shown , in place of the anti- rotation member of the above-mentioned embodiment , one needle body is pierced through the disc seal portion 3 and the outer periphery of this needle body is inserted. , for example, by disposing a tubular cutter, the cutter is reciprocating with the needle body, some will the film-like sealing member by an addition operation of rotating configured to disconnect removed as required However, the same effect can be obtained.

[Brief description of drawings]

FIG. 1 is a plan view showing the configuration of an opening device according to an embodiment of the present invention.

FIG. 2 is an explanatory view showing a state in which the cut sealing member is discarded by the same opening device.

FIG. 3 is a plan view showing a configuration of a conventional blood collection tube.

[Explanation of symbols]

 B Blood collection tube 1 Seal member 5 Opening part 10 Opening device 11, 12 Anti-rotation member 13 Cutter 14 Pressing body

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[Procedure amendment]

[Submission date] June 10, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Claim 1

[Correction method] Change

[Correction content]

Claims (1)

[Scope of utility model registration request] 1. A pair of detent members pierced by a seal member for sealing an opening of a bottomed tubular body, a pressing body slidable along the longitudinal direction of the detent member, and the seal member. A cap opening device configured to have a cutter that cuts and opens the.