JP2003000711A - Exterior finger hooking holder for injection syringe - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an exterior finger hooking holder for an injection syringe capable of being easily attached and detached, capable of stably operating even in the injection syringe along the prefilled syringe like a two-chamber type from the start of injection to the completion thereof and capable of easily confirming the inside of the injection syringe visually from the outside. SOLUTION: In the exterior finger hooking holder for the injection syringe capable of being attached to the detached from the injection syringe from the front or the side, a pair of short strip-like support plates (2) have not only a pair of finger hooking parts (3) protruding outwardly from one ends thereof but also a C-shaped connection part (4) formed to the other end thereof and are opposed mutually so as to hold the injection syringe. The opening part (5) capable of being received by an injection needle connection part (21) or an finger hooling part (24) is provided to the connection part (4).

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an external finger hook holder for a syringe barrel, which can be mounted from the front or the side of the syringe barrel and hang a fingertip on the syringe rod at the time of injection while ensuring a wide support interval. Regarding For more details,
For example, a two-component syringe with two storage chambers arranged in the front and back of the syringe, that is, even if the syringe has a long syringe such as a two-chamber prefilled syringe, simply attach it to the outside of the syringe to end the injection from the beginning of injection. The present invention relates to an external finger hook holder for a syringe barrel, which can be stably operated until time, is extremely easy to put on and take off, and allows the inside of the syringe barrel to be easily visually recognized from the outside.

[0002]

2. Description of the Related Art Generally, a syringe is constructed by connecting an injection needle to the tip of an injection cylinder, fixing a finger hook to the rear end of the injection cylinder, and disposing a piston body slidably operated by a plunger rod in the injection cylinder. It is configured to administer the drug in the syringe barrel to the patient by hanging the fingertip on the finger hook and pressing the plunger rod.

Since the distance between the rear end of the plunger rod and the finger hook is shortened at the end of injection in the above syringe, the support of the syringe is likely to be unstable when the syringe is long, such as a two-component syringe. , The needle tip may move carelessly, causing pain to the patient, or making it difficult to inject into a proper site.

[0004] Therefore, conventionally, even in the case of a syringe having a long syringe barrel, in order to be able to operate stably from the start of injection to the end of injection, for example, there is an interval in the axial direction of the syringe barrel as shown in Utility Model Registration No. 2533813. Syringes have been devised that are provided with a plurality of finger-holding portions separated from each other.

[0005]

In the above-mentioned prior art, 2
Since the exterior holder is configured by connecting the two divided holder parts to each other, the structure is complicated and the mounting work is complicated.
There is a problem that it cannot be manufactured at low cost.

Further, in this prior art, since the portion to which the exterior holder is attached covers the syringe barrel, the inside of the syringe barrel cannot be clearly confirmed visually and the mixed state of the medicines contained in the syringe barrel is not clearly visible. Also, there is a problem that the remaining amount of the injection solution cannot be easily visually confirmed. The present invention solves the above-mentioned problems, can be attached and detached extremely easily, can be stably operated from the start of injection to the end of injection, and the interior of the syringe can be easily visually recognized from the outside. An object is to provide a finger hook holder.

[0007]

In order to solve the above-mentioned problems, the present invention provides, for example, as shown in FIGS. 1 to 6 showing an embodiment of the present invention, as shown in FIGS. The holder is constructed as follows. That is, the present invention is as follows: 1. One end forms a pair of finger hooks (3) protruding outward, and the other end constitutes a connecting part (4) in which two U-shaped parts are connected to each other. It is composed of a pair of strip-shaped support plates (2) facing each other so that the opening (5) can be received by the connecting portion (4) by the syringe barrel needle connecting portion (21) or the syringe barrel finger hooking portion (24). ) Is provided so that the syringe barrel exterior finger rest holder (1) is configured to be detachable from the front or the side of the syringe, and 2. The opening (5) has a cutout (6) or (7). The external finger hook holder for an injection cylinder according to claim 1, which is configured to be detachable from the side of the injection cylinder.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION The exterior finger rest holder (1) can be attached and detached very easily from the front or the side of the syringe barrel.
The syringe barrel (1
The inside of 2) is easily visible from the outside. Since the finger hook (24) is also fixed to the rear end of the syringe barrel, the finger hook (24) of the fixed syringe barrel is irrespective of whether or not the exterior finger hook holder (1) is attached and the attachment state. Can be used to push the plunger rod (20) forward, whereby the liquid in the rear storage chamber (15) in the syringe barrel (12) is injected into the front storage chamber (14) to complete the preparation for dosing. The exterior finger rest holder (1) attached to the syringe barrel (12) is firmly received by the needle connecting portion (21) of the syringe barrel or the finger rest (24) at the rear end in the state where the medication preparation is completed. Therefore, the syringe barrel is stably supported with a wide support interval by applying a fingertip to the finger hooking portion (3) provided on the outer surface of the finger hooking holder.

The finger hook holder (1) can be mounted from the front of the syringe barrel (6) and, for example, the exterior finger hook holder (1) is partially cut off at the opening (5) of the finger hook holder. Can be easily attached from the side surface of the injection cylinder (6), that is, from the lateral side. Moreover, the opening (5) of the finger hook holder (1) may be attached to the finger hook (24) at the rear end of the injection cylinder so that it can be received, and the needle connection part (21) of the injection needle (21). It may be attached so that it can be received.

The present invention will be described below with reference to the drawings.
1 and 2 show a first embodiment of the present invention,
[Fig. 1] is a perspective view of the state before the opening (5) of the syringe barrel outer finger rest holder (1) is received by the needle connecting part (21) of the syringe barrel (12) of the two-component syringe,
FIG. 2 is a cross-sectional view showing a state in which the opening (5) of the external finger hook holding device (1) for an injection cylinder is received by the needle connection portion (21) of the injection cylinder and preparation for medication is completed.

As shown in FIG. 1, this syringe barrel exterior finger hook holder (1) comprises a strip-shaped support plate, a connecting portion (2) connecting both support plates in a U-shape, and this support plate ( 2) A pair of finger hooks (3,
3) and an opening (5) provided in the connecting portion. The exterior finger hook holder (1) of the first embodiment.
Is preferably integrally formed of a metal such as stainless steel, a hard synthetic resin material such as polypropylene, polyester, and melamine.

The exterior finger hook holder (1) has a needle case (22) in an opening (5) provided in the connecting portion (4).
The needle is inserted into the needle connection part (21) from the front of the syringe and fitted.

The above-mentioned two-component injector (11) is shown in FIG.
As shown in FIG. 2 and FIG. 2, an intermediate stopper (13) is arranged in the injection cylinder (12) to divide the interior into a front accommodation chamber (14) and a rear accommodation chamber (15). A front stopper (16) is arranged in front of the accommodation chamber (14) to hermetically contain the powdered medicine (17), and a rear stopper (18) is arranged behind the rear accommodation chamber (15) to prepare a suspension liquid. (19) is hermetically housed and then plugged (18)
The tip of the plunger rod (20) is screwed and fixed to the rear of the. In the first embodiment, the case where the powdered medicine and the suspension liquid are contained in the two-component syringe will be described, but the syringe in which the external finger-holding holder (1) of the present invention is used contains other components. It may be one.

A needle connection part (21) is fixed to the tip of the injection cylinder (12), and an injection needle (23) covered with a needle case (22) is connected to the needle connection part (21). is there. In addition, a finger hook (24) is provided on the rear end of the syringe barrel (12).
Is fixed, and a projection is provided on the inner surface of the rear end of the finger hook (24) to prevent the rear plug (18) from coming out. A bypass passage (25) is formed by bulging a part of the cylinder wall in the middle part of the injection cylinder (12), and the intermediate plug (13) advances to the position of the bypass passage (25). The front accommodation chamber (14) and the rear accommodation chamber (15) communicate with each other via the bypass passage (25).

As shown in FIG. 2, the connecting portion (4) having the opening (5) of the exterior finger rest holding device (1) is located immediately in front of the needle connecting portion (21) of the syringe barrel (12). The suspension liquid (19) stored in the rear storage chamber (15) is
That is, the mixed state and the turbidity or discoloration of the liquid can be easily confirmed visually.

Next, the above-mentioned exterior finger-hook (1) was attached to the 2
A procedure for injecting a patient using the component injector will be described. As shown in FIG. 2, the external finger hook holder (1) is attached to the front part of the syringe barrel (12) at the needle connecting part (21).
When it is attached to the overhanging part of the container, the fingertip is put on the finger hook (24) at the rear end of the injection barrel (12), and the plunger rod (20) is operated to push the rear stopper (18) forward to store the rear side. The internal pressure of the chamber (15) increases and the intermediate stopper (1
3) is pressed and moves forward to reach the position of the bypass passage (25), and the suspension liquid (19) is supplied to the bypass passage (2).
5) and flows into the front accommodation chamber (14). Then, the powdered medicine (17) is suspended or dissolved in the inflowing suspension liquid (19) to prepare an injection drug, and the preparation for administration is completed.

Next, the fingertips of the index finger and the middle finger are hooked on the fingerholding portions (3) of the exterior fingerholding holder (1), while the thumbs are placed on the fingerholding portions of the plunger rod (20) to stably and stably inject. While supporting the tube (12), the needle tip of the injection needle (23) from which the needle case (22) has been removed is pierced into the required portion of the patient, and the plunger rod (20) is operated to push the rear stopper (18) forward. To administer.

FIG. 3 and FIG. 4 show a second embodiment of the present invention, and FIG. 3 shows a state in which the connecting portion of the exterior holder is mounted so as to be received by the finger hook portion at the rear end of the syringe barrel. A perspective view, [FIG. 4] is a partially cutaway side view of the injection part in a state where preparation for medication is completed.

As shown in [FIG. 3] and [FIG. 4], the receiving position of the syringe barrel of this syringe barrel outer finger hanging holder (1) is the finger hanging portion (24) provided at the rear end of the syringe barrel. Position, and therefore exterior finger rest retainer (1)
The finger hook portion is the same as that of the first embodiment shown in FIGS. 1 and 2 except that it is located closer to the front of the injection cylinder.

FIG. 5 is a side view of the syringe barrel (12) in which the exterior finger rest holder (1) is provided with a cutout portion (6) in the opening (5) of the outer finger rest holder in the first embodiment. In other words, it is designed so that it can be received and mounted in the needle connecting portion (21) of the syringe from the circumferential direction of the injection cylinder. By using the exterior finger hook holder (1) of FIG. 5, it can be easily attached to the syringe even after the needle case (22) of the syringe is removed. Moreover, even when detaching, the exterior finger-holding holder (1) can be removed very simply by pulling it out sideways, and the risk of the hand touching the needle tube can be avoided.

FIG. 6 shows the exterior finger hook holder (1) of the second embodiment in which an opening (5) is provided with a cutout portion (7). This is exactly the same as the case of the external finger hook holder.

[0022]

Since the present invention is constructed and operates as described above, it has the following effects. (A) When mounting the exterior finger rest holder (1) on the syringe barrel (12), the needle case (22) is passed through the opening (5) opened in the connecting portion (4). Further, the one in which a notch is provided in a part of the opening can be mounted extremely easily from the side surface of the injection cylinder. When removing the exterior finger rest holder (1),
It can be easily removed by performing the reverse operation when attached. (B) Since the external finger holder (24), which is a separate body from the external holder, is fixed to the rear end of the syringe barrel to which the external finger holder (1) is attached, This syringe barrel finger hanger (24) regardless of whether or not it is worn
Plunger rod (20) with stable support using
Can be pushed to an intermediate position. Next, in front of the fixed finger hook, the finger hook holder (1)
Since it is firmly attached to the opening (5) of the needle connection part (21) or the syringe barrel finger hook (24), the position of the external finger hook holder (1) does not shift during operation, and the external finger hook is retained. When the fingertips (3, 3) projecting outward from the holder (1) are hooked with the fingertips of the forefinger and middle finger, and the thumb is put on the plunger rod (20), the syringe barrel can be supported at a wide support interval. Therefore, the needle tip can be stabilized. (C) Since the exterior finger-holding holder is always wide and open over the entire length, the inside of the syringe can always be easily visually recognized from the outside.

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention in a state before the outer casing holder for a syringe is attached to a syringe of a two-component syringe.

FIG. 2 is a perspective view showing a case in which the outer casing holder for a syringe according to the first embodiment is mounted on a syringe of a two-component syringe, and a suspension in a rear storage chamber is moved to a front storage chamber (14) storing a powder drug. FIG. 7 is a cross-sectional view showing a state in which preparation for medication is completed.

FIG. 3 is a perspective view showing a second embodiment before a syringe barrel exterior holder is attached to a syringe barrel.

FIG. 4 is a partially cutaway side view of the syringe equipped with the exterior holder of the second embodiment in a state where preparation for medication is completed.

FIG. 5 is a perspective view showing a modified example of the exterior finger hook holder of the first embodiment in which a cutout portion is provided in the opening.

FIG. 6 is a perspective view showing a modified example of the exterior finger hook holder according to the second embodiment in which a cutout portion is provided in the opening.

[Explanation of symbols]

1. External finger rest holder for syringe 2. Strip support plate 3. Finger rest 4. Connection 5. Aperture 6. Notch 7. Notch 11. Syringe 12. Syringe 13. Inside plug 14. Front containment room 15. Rear accommodation room 16. Front plug 17. Powdered medicine 18. Rear plug 19. Suspension liquid 20. Plunger rod 21. Needle connection 22. Needle case 23. needle 24. Syringe finger rest 25. bypass

Claims (2)

[Claims] 1. A pair of finger hooks (3), one end of which protrudes outwardly, and the other end of which forms a connecting part (4) connected to each other in a U-shape to sandwich an injection cylinder (12). The pair of strip-shaped support plates (2) facing each other, and the connecting portion (4) has an opening (5) so that the connecting portion (4) can be received by the syringe barrel needle connecting portion (21) or the syringe barrel finger hooking portion (24). Provided,
An outer cylinder fingerholding holder (1) for a syringe, which is configured to be detachable from the front or the side of the syringe. 2. An opening (5) is a cutout (6) or (7).
And a structure which is detachably attached from the side of the syringe barrel.
The external finger rest holder for the syringe barrel described.