JPH0326275A - Safe removal and disposal apparatus for needles of therapeutic instrument - Google Patents

Abstract

PURPOSE: To treat a disposal without touching to an injector itself or its base by providing a means for securely holding the needle base of medical injector in a cylindrical internal wall surface of a part having a flange. CONSTITUTION: A size of flange 7 is sufficiently larger for protecting a user's fingers when gripping the casing body 2 of the flange 7 by a user's fingers. The circumferential surface of a needle base 13 of medical-use needle is inserted into the gripping zone 10 of a cylindrical body 11 in a frictional contacting state. The needle 14 is sufficiently protected by providing an almost cylindrical- shaped inside surface 12, thus the needle does neither move toward the lateral direction nor pierces the wall of the cylindrical portion of the easing body. The injector can be gripped by only one hand, the casing body 32 coupled with the injector 32 is taken out from a tray 33, and the user's both hands can be used for removing the casing body 32 from a injector body 31 in state of the needle 14 being fully protected by the easing body 32.

Description

DETAILED DESCRIPTION OF THE INVENTION This invention relates to the removal of sharp points from medical instruments and methods for safely disposing of the same, or to improvements in well-known methods for disposing of sharp medical instruments or needles. .

Needle includes a hypodermic needle, cannula, scalpel, catheter or any other pointed medical device used in the field of medical treatment, which is used for the treatment of a sick person. Because they can carry pathogenic tissue or infectious agents, they are usually disposable.

In order to comply with strict health and safety standards and to minimize the transmission and transmission of bacteria, viruses, pathogens or other microorganisms, or other tissues that may cause illness or disease, medical devices must be It is now customary to dispose of the pointed needle portion of the device, or the entire device with the pointed needle portion, after a single use. In many cases, such as when drawing blood, it is necessary to remove needles or other instruments from medical instruments, and there are many opportunities for injury while performing such tasks.

Such injuries are called needle accident wounds, and the present invention is directed to the prevention of such needle accident wounds. Still another problem is that the method of disposing of syringe sharp objects or needles, whether or not they are removed from the syringe at the time, is such that they are first dropped into a collection container and then discarded. The entire container is disposed of by incineration or other method. However, the needle tends to penetrate the side of the container in which it is collected and protrude to the surface. In this case, it will cause harm to the person handling the destruction process. The present invention is therefore directed to preventing injury to the human body once the needle has been placed in a disposal container.

Therefore, the present invention eliminates the need to grasp the injection needle itself or its needle base during the disposal process of the injection needle, and
The purpose is to prevent the needle once removed from causing further injury to the human body.

US Pat. No. 4,592,744 to Jagger et al. discloses a self-repackaging safety case for a hypodermic needle. However, this requires a specially constructed syringe, and is not foolproof, although it is itself a fairly complex construction.

U.S. Pat. No. 4,576,281 discloses a needle disposal system in which the needle is safely removed and dropped into a container, but the tip of the needle remains exposed in the container. , as pointed out, often penetrate through the walls of the container and cause harm to the person handling it. The present invention aims to solve the various problems mentioned above. Accordingly, one aspect of the present invention is a container for processing medical needles, the container having a cylindrical portion with one end closed and the other end open. The open end of the housing has a radially outwardly extending flange. The flange has a means for guiding the medical needle into the cylindrical part, and the inner wall surface of the cylindrical part where the flange is attached has a means for guiding the medical needle into the cylindrical part.
Means are provided for securely holding the base of the medical needle.

In this manner, the housing has sufficient length to fully accommodate a needle or sharp object therein, and
Hold that needle firmly. As a result, needles or sharp objects do not protrude through the sides or bottom of the container. The flange is large enough so that when the container is held in the hand and the tip of the medical needle is inserted into the cylindrical part, the fingers are protected by the flange. Once the base of the medical needle is received and retained in the retainer of the barrel, the syringe or other instrument can be rotated to remove the needle from the medical instrument. One or both parts can then be processed. Alternatively, the medical device and the attached needle may be treated as one unit in complete safety.

The outer surface of the tubular part adjacent to the flange is preferably provided with ribs which serve to securely grip the container itself during the removal operation.

The means for firmly holding the needle base of a medical needle includes a plurality of vertical linear protrusions that extend radially inward from the inner surface of the cylindrical body and that are able to fit therein and ensure the retention of the needle base. You can prepare. Alternatively, the means for firmly gripping the base of the medical needle includes a cylindrical inner portion that is substantially cylindrical and has a diameter that fits abutting the base of the medical needle. It doesn't matter if you stay there. The means for guiding the tip of the medical needle into the tubular body may be an inclined surface provided between the flange and the inner surface of the tubular body.

In another aspect, the invention may reside in a medical needle processing rack comprised of a tray having a plurality of holes and a substantially flat horizontal top surface. Multiple holes are
A plurality of containers having the above-described structure are received and held with their open ends facing upward.

This device holds the container during the needle withdrawal process, so that the operator's other hand remains completely clear of the tip of the medical needle, completely eliminating any danger. .

Once the base of the medical needle has been securely fitted into the retaining portion of the tubular body, the housing can then be removed from the tray while still connected to the medical device, either of which may be removed as previously described. It can be disposed of as a single unit. It is also possible to remove the container with the needle attached from the medical device and dispose of it separately. In another aspect, the present invention resides in a medical needle handling tray having a substantially flat and horizontal top surface with a plurality of tubular bodies extending downwardly from the hole and having a closed bottom end. You can also use it as Each of the plurality of cylindrical bodies includes an inclined surface portion between the flat surface and the inner wall surface of the cylindrical body, which serves to guide the tip of the medical needle into the cylindrical body, and the medical needle The medical needle has means for reliably holding the needle hub of the base portion of the medical needle when the medical needle is inserted into the cylindrical body.

According to this version of the invention, the medical needles are received in the tubes of the processing tray, and when all tubes on the tray are full, the entire tray is discarded. Just process it.

If the medical needle has a different structure of the support means at the base of the needle hub or its pointed part, the above-mentioned support means may be provided within the scope of the claims of the present invention. As shown above, it is clearly possible to protect the sharp tip. As mentioned above, by using various forms according to the present invention, the user does not have to remove the needle portion of the medical device from the device before it is inserted into the housing, thereby It is understood that the chances of being injured by medical needles have decreased significantly. The user may also avoid having to remove the needle portion from the medical device prior to disposal. In this case, once the receptacle has been attached to the medical device, the respective connections of the receptacle to the needle portion of the medical device and of the needle portion to the medical device itself can be made by abutting the receptacle against a hard surface. This makes the situation more secure, so that the medical device, needle and container can be disposed of as one unit. This results in
The needle does not injure the user, greatly improving safety.

If necessary, if the needle does not have a needle base that can be easily held in the housing, the needle may be inserted into the cylindrical body of either the housing or the fixing structure described above. A foam or an association with foam may be provided to assist in retention.

Thus, in summary, the present invention provides a safe method for removing a medical needle from a medical device and disposing of it, and therefore, in further embodiments, the present invention provides As explained above, the essence lies in how to safely remove a medical needle from a medical device and how to safely dispose of that medical needle. The method according to the invention requires only one-handed operation; one hand holds and manipulates the medical device while the other hand remains sufficiently far away from the device so that the needle does not touch the user's skin. The risk of being stabbed and the risk of infection, such as AIDS (AIDs).
Please note that there is no risk of infection with bacteria such as S). Hereinafter, the structure of the container according to the present invention and how it is actually used will be explained in detail with reference to the accompanying drawings.

First of all, according to FIG. 1, a container, designated by the reference numeral l, is made from a cylindrical body 2 having a closed end 3 and an open end 4. The open end 4 has an inclined inner surface 5 which serves to guide the tip of the medical needle into the hollow part 6 of the tubular body 2.
A flange 7 extends radially outward from the open end 4 of the container 1. The size of the flange 7 is such that when the container 2 is gripped by fingers, the fingers are sufficiently protected by the flange 7. A large number of linear protrusions are provided below the flange 7 on the outer surface of the container 1,
When the needle base of the medical needle is fitted into the cylindrical body 2 and the needle is removed, the outside of the container can be grasped. In order to assist the insertion of the needle base of the medical needle into the cylindrical body,
A vertically extending linear protrusion 9 is provided on the inner surface of the cylindrical body 2 at a portion adjacent to the open end 4, and the protrusion engages with the base of a medical needle to prevent the needle from being removed. useful for.

FIG. 2 shows another embodiment of a medical needle removal container according to the present invention having a hypodermic needle inserted therein. In this embodiment, the gripping area 10 of the tubular body 11 is provided with a generally cylindrical inner surface 12 that fits in frictional contact with the peripheral surface of the needle base 13 of the medical needle. It can be seen that the needle 14 of the medical needle is well protected within the housing and cannot move laterally and cannot penetrate the wall of the cylindrical part of the housing.

The upper end 16 of the needle base is sufficiently recessed from the flange area 15 so that the medical needle cannot be easily removed and illegally reused.

FIG. 3 shows a state in which a large number of containers 1 are fitted into the tray 20. As shown in FIG. The tray is provided with a number of holes 2l into which the containers 1 can be received.

The container is supported by the tray, but is held loosely so that it can be easily removed from the tray.

Next, each step of removing the medical needle from the syringe will be described with reference to FIGS. 4 to 8.

FIG. 4 shows a syringe 31 being held in one hand and its needle tip 30
is shown being lowered toward one of the containers 32 supported by the tray 33. From this figure it can be seen that only one hand is required to hold the syringe, the other hand being completely removed from the tray 33.

As shown in FIG. 5, the needle 30 is pushed into the tubular body of the housing 32 until its needle base 34, shown in FIG. 4, is completely pushed into the tubular body.

As can be seen in FIG. 6, the container 32 is thus mated with the syringe 31, and the container 32
2 and further shown in FIG. 7, both hands can be used to remove the receptacle 32 from the syringe body 31 with the needle remaining generally protected by the receptacle. ．． Instead, as shown in FIG. 6 to FIG. 8, the syringe 31 with the container 32 fitted is hit against a hard surface 35, thereby changing the base of the needle. Both the fitting state of the holder with respect to the container and the fitting state of the needle of the syringe with the needle base can be made more secure, and as a result, the syringe and the container can be disposed of together.

FIG. 9 shows an alternative embodiment from a tray 40 having multiple holes 41. FIG. Each hole has a cylindrical portion 42 with a bottom end 43 closed. The cylindrical portion 42 is provided with an insertion rib 44 into which a needle base 45 of a syringe 46 is inserted. Between the flat top surface of the tray 40 and the tubular section 42 there is a ramp 4 which serves to guide the needle tips 48 into the tubular section.
7 is provided. After the needle base 45 of the needle is securely fitted into the tubular portion 42, the syringe 46 is removed so that the needle is removed from the syringe and the needle remains fitted in the tray.
Just twist it left and right. When all the holes 4L on the tray are full, the entire tray can be discarded. The material constituting the container and the tray or the container and the tray may be any plastic material such as polyethylene, polypropylene, etc. Alternatively, the tray may be made of cardboard or other suitable material. Good too.
When producing the product of the present invention, the injection molding method is preferred, but other methods may of course be used.

[Brief explanation of drawings]

FIG. 1 is a partial side cross-sectional view of a container for the removal and disposal of medical needles, and FIG. 2 is a partial cross-sectional view of a container for the removal and disposal of medical needles, with a hypodermic needle inserted therein. 3 is a perspective view of a processing tray showing a state in which a large number of containers are placed therein, and FIGS. 4 to 8 are views showing how a medical needle is removed from the hypodermic syringe body. Fig. 9 is a perspective view showing another embodiment of the medical needle processing tray. 5... Inclined surface, 7... Flange, 10-... Gripping area, 13-... Needle base, 15... Flange area, 2 1-... Hole, 32-... Container, 34 - Needle base, 4 1 - Hole, 4 4 - Insertion rib, 4 6 - Syringe, 2 Cylindrical body, 4 Open end, 6 Hollow part, 9... Linear projection, 11... Cylindrical body, 14... Needle, 2 0-} Ray, 3 1 -... Syringe, 3 3-... Tray, 40... Tray, 4 2 -...Cylindrical part, 45-...Needle base, 4 7 -...Slanted part. =64" Figure 4 Figure 5 Figure 9 Figure 7 Figure S Figure Heiichi August 16, 2001

Claims (7)

[Claims] (1) A container for processing medical needles, the container comprising:
having a cylindrical body with one end closed and the other end open;
The open end of the receptacle is provided with a radially outwardly extending flange, the flange having means for guiding a medical needle into the tubular body, and a portion on which the flange is attached. A storage body for processing medical needles, wherein means for reliably holding the needle base of the medical needle is provided on an inner wall surface of the cylindrical body. (2) A container for processing medical needles according to claim (1), wherein the outer surface of the cylindrical body adjacent to the flange is provided with a rib that helps to hold the container. (3) The container for processing medical needles according to claim (1), wherein the holding means has a plurality of linear protrusions extending radially inward from the inner surface of the cylindrical body. (4) The means for securely holding the needle hub of the medical needle is an inner portion of a cylindrical body that is substantially cylindrical and has a diameter that fits in the needle hub of the medical needle in an abutting state. Claim No. (
1) A container for processing medical needles as described in item 1). (5) The medical needle according to claim (1), wherein the means for guiding the tip of the medical needle into the cylindrical body is an inclined surface between the flange and the inner surface of the cylindrical body. Processing container. (6) It has a plurality of holes that receive a plurality of containers recited in any one of claims (1) to (5) and support them with their open ends facing upward. A medical needle handling rack consisting of a tray with a substantially flat horizontal top surface. (7) having a substantially flat and horizontal top surface with a plurality of tubular bodies extending downwardly from a hole in the surface and having a closed bottom end;
Each cylindrical body is provided with an inclined portion between a flat surface and an inner wall surface of the cylindrical body, which serves to guide the tip of a medical needle into the cylindrical body, and the medical needle is A medical needle processing tray having means for positively retaining a needle hub of a base portion of the medical needle when inserted into a medical needle.