JPH01285268A - Apparatus for disposal of used medical tube equipped with needle - Google Patents

Abstract

PURPOSE:To perfectly eliminate possibility piercing a finger by mistake and to facilitate disposal, by heating and melting a medical tube made of a thermoplastic synthetic resin equipped with a used medical needle and subsequently cooling said tube to form the same into a lump. CONSTITUTION:A heat insulating casing 1 having a heat insulating door 2 mounted to the front surface thereof has a container space 1a having a required size receiving an inner container 3 and is equipped, for example, with a heater 4 on the ceiling wall thereof. For example, the inner container 3 has a cup-shaped outside container 3a made of stainless steel and an inside container 3b made of a stainless steel net and a medical tube made of a thermoplastic synthetic resin equipped with a used medical needle is received in the inside container 3b of the inner container 3. The medical tube made of the thermoplastic synthetic resin is heated and melted by supplying a current to the heater 4 and, after cooling, the door 2 is opened to take out the medical tube. The synthetic resin being the material of the tube is leaked from the inside container 3b made of the net to be solidified in a disc shape on the bottom part of the outside container 3a. The solidified synthetic resin can be separated and the medical needle is left in the inside container 3b.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a waste disposal device for disposing of used medical tubes with needles in lumps or granules. [Prior Art] Use Used medical needles and tubes are discarded to prevent blood infections such as AIDS and hepatitis. Conventionally, used medical tubes with needles were collected and discarded with the medical needle still attached. Therefore, when disposing of the medical needle, there is a risk of accidentally pricking a finger or the like with the medical needle, and since the medical needle and the medical tube are made of different materials, disposal is troublesome.

Conventionally, in order to disconnect a medical tube with a used medical needle attached from the connection between the medical needle and the medical tube, it is necessary to place the tube on a special tray or box.
The only option was to cut it with scissors, and no special disposal equipment was provided.

[Problems to be Solved by the Invention] The first invention of the present application heats and melts a thermoplastic synthetic resin medical tube to which a used medical needle is attached, and then cools it to form a mass. The purpose of the present invention is to provide a disposal device for used medical tubes with needles.

In addition, the second invention of the present application provides, as a pretreatment for crushing and granulating a medical tube with a used medical needle attached,
The tube is frozen to become brittle. The purpose of the present invention is to provide a disposal device for used medical tubes with needles.

[Means for Solving the Problems] As shown in FIG. 1, the device for disposing of used medical tubes with needles according to the first invention of the present application includes a thermoplastic synthetic resin tube with used medical needles attached thereto. A waste treatment device for heating and melting manufactured medical tubes, comprising: an insulating casing having a container space of a required size with a lid or door; an inner container provided within the insulating casing; and an inner container provided within the insulating casing. and heating melting means for heating and melting at least a portion of the medical tube accommodated in the inner container.

In addition, the disposal device for used medical tubes with needles according to the second invention of the present application embrittles at least the tube portion of the medical tubes with used medical needles attached, as shown in FIG. What is claimed is: 1. A waste disposal device which is cooled to a temperature below a temperature of 50% to a cracked and brittle state, comprising: an insulated casing having a container space of a required size with a lid or door; and an inner container provided within the insulated casing.

The refrigeration coil is characterized by comprising a refrigeration device piped between the heat insulating casing and the inner container.

[Function] According to the waste disposal device of the first invention, a thermoplastic synthetic resin medical tube with a used medical needle attached is housed in the inner container, and the thermoplastic synthetic resin is melted by the heating melting means heater. The manufactured medical tube is heated and melted, and then cooled.

Then, the synthetic resin of the tube material hardens into a plate shape at the bottom of the inner container, so it is peeled out from the inner container, collected, and discarded in fixed amounts.

Further, according to the waste disposal device of the second invention, a medical tube with a used medical needle attached thereto is stored, frozen for a required period of time to cool the medical tube below its embrittlement point, and then taken out. , the medical tube becomes cracked and brittle when cooled below its embrittlement point. Therefore, it is then crushed into granules using a suitable crushing device, and the medical needles are separated and discarded.

[First Embodiment] FIG. 1 shows a waste treatment device for used medical tubes with needles according to an embodiment of the first invention of the present application.

Reference numeral 1 indicates a heat insulating casing, and the entire surface is provided with a heat insulating door 2. The heat insulating casing 1 has a container space 1a of a required size for accommodating an inner container 3, and is equipped with a heater 4 on the ceiling wall. Note that a magnetron may be used instead of the heater 4.

The inner container 3 is a cup-shaped outer container 3a made of stainless steel.
and an inner container 3b made of stainless steel mesh, and the outer container 3a has a bottom half shaped like an inverted cone, which can be cut out upwards, and a countersink-shaped hole bored in the center of the bottom. A die-cut piece 3d is fitted into the hole 3c, and a seating tool 3c made of, for example, nine bent stainless steel rods is fixed at several points on the circumference of the lower surface of the inner container 3b. It is suspended horizontally in a stored state on the inverted conical upper part of the container 3a, and can be taken out from the outer container 3a.

Therefore, according to this waste disposal device, the door 2 is opened, the inner container 3 is taken out, and a thermoplastic synthetic resin medical tube with a used medical needle (not shown) attached thereto is housed in the inner container 3b. . The inner container 3 is housed again, the door 2 is closed, the heater 4 is energized for the required time to heat and melt the thermoplastic synthetic resin medical tube, and after cooling, the door 2 is opened and the tube material is taken out. The synthetic resin leaks from the mesh inner container 3b and hardens in the shape of a disk at the bottom of the outer container 3a.

By removing the inner container 3b, turning the outer container 3a upside down, and pressing the die-cutting piece 3d, the disk-shaped hardened synthetic resin can be released. Note that the medical needle is in the inner container 3b.
left behind.

[Second Embodiment] FIG. 2 shows a disposal device for used medical tubes with needles according to an embodiment of the second invention of the present application.

Reference numeral 5 denotes a heat insulating casing, which is provided with a heat insulating lid 6 on its upper surface. The heat insulating casing 5 has a container space 5a having a required size for accommodating an inner container 7 made of a mesh.
A cooling pipe 8 of a refrigeration system is provided inside the container a so as to surround the inner container 7. The refrigeration device is provided below the heat insulating casing 5, except for the cooling pipe 8. The refrigeration system includes a compressor 9, a condenser IO, a liquid receiver 11, an expansion valve 12, and the cooling pipe 8 as an evaporator.

Therefore, according to this waste disposal device, the M6 is opened, a medical tube with a used medical needle (not shown) is accommodated in the inner container 7, the lid 6 is closed, the tube is frozen for a required period of time, and the medical tube is stored in the inner container 7. After cooling the tube below the embrittlement point, the inner container 7
When the entire medical tube is removed, the medical tube becomes cracked and brittle as it cools below its brittle point. Therefore, it is then crushed into granules using a suitable crushing device, and the medical needles are separated and discarded.

[Effects of the Invention] According to the waste treatment device for used medical tubes with needles of the first invention described above, a thermoplastic synthetic resin medical tube with a used medical needle attached thereto is heated. According to the second invention of the present invention, the used medical tube with a needle is crushed and granulated. As a pre-treatment, the material is frozen to below its embrittlement point to make it brittle, so in any case, there is no risk of accidentally pricking a finger or finger with a medical needle when disposing of it, and it also This eliminates the trouble of disposing of needles and medical tubes because they are made of different materials, and allows medical needles and medical tubes to be disposed of separately.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal sectional front view of an embodiment of a waste treatment device for used medical tubes with needles according to the first invention of the present application. FIG. 2 is a longitudinal sectional front view of an embodiment of the waste treatment device for used medical tubes with needles according to the second invention of the present application. l...Φ heat insulation casing, 1a...container space, 211φ-insulation door, 3...φ inner container, 4...heater as heating melting means, 5...insulation casing, 6...insulation lid , 7...Internal container, 8...Cooling pipe of the refrigeration system.

Claims (2)

[Claims] (1) A waste treatment device for heating and melting thermoplastic synthetic resin medical tubes with used medical needles attached, comprising: an insulated casing having a container space of a required size with a lid or door; It is characterized by comprising an inner container provided within the heat insulating casing, and heating melting means for heating and melting at least a portion of the tube of the medical tube provided in the heat insulating casing and housed in the inner container. Disposal device for used medical tubes with needles. (2) A waste treatment device that cools at least a portion of a medical tube with a used medical needle attached to a temperature below the embrittlement point to a cracked and brittle state, and is of the required size with a lid or door. A used device comprising: an insulated casing having a container space of 100 mm, an inner container provided within the insulated casing, and a refrigeration system in which a refrigeration coil is piped between the insulated casing and the inner container. A waste treatment device for medical tubes with needles.