JPH05317371A - Medical waste disposal equipment - Google Patents

Abstract

PURPOSE:To immediately and completely enable disposal of medical waste such as needles in a site where the waste is generated such as a consultation room so that medical waste disposal equipment can be installed even in small- scale hospitals. CONSTITUTION:A piston 11, for pressing a congelation obtained when medical waste put in a dissolver 3 from an upper opening 4 and dissolved is cooled to a predetermined temperature, is secured to the end of a piston rod 10 passed through a freely openable upper lid 7 for sealing the upper opening 4, and is freely slidably fitted into the dissolver 3, and preferably a core metal 12 for determining the shape into which the congelation is pressed is freely detachably attached to the piston 11. The equipment is small and easy to handle and does not cause noise and so can be installed in any site and the waste is disposed of in an utterly safe state and can be molded into various shapes and be reclaimed for use in flowerpots, etc.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waste disposal device, and more particularly to a disposal device for safely disposing of used medical instruments including a plastic member such as a disposable type syringe.

[0002]

2. Description of the Related Art Most of recent syringes are of a disposable type in which a cylindrical portion is formed of plastic, and a large amount of used syringes are now discharged as waste from hospitals.

If such a medical waste is discarded without any treatment like normal waste, the waste handler may be directly infected by pathogenic bacteria or may be injured by sticking an injection needle. There are also cases where pathogens attached to the waste enter from the wound of this injury and secondary infection occurs, causing various problems.

For this reason, medical waste must be completely sterilized to prevent injuries and secondary infections, and it must be disposed of in a safe state so that the operator does not stick the needle. became.

For this reason, medical waste has recently been disposed of after it is thermally decomposed at a high temperature, sterilized by heating or chemicals, and then pulverized. Various devices for doing so have been developed.

[0006]

However, the conventional processing apparatus has a problem that it is relatively large and has a complicated structure, the installation space is large, maintenance is not easy, and a large amount of noise is generated. there were.

[0007] Therefore, the conventional apparatus is a large hospital in which the installation space has a sufficient space and a specialist in charge of processing can be arranged, and the waste generated in various departments is collected in one place and collectively processed. Suitable for, but in a relatively small hospital,
It was not suitable to install a device at the waste generation site such as an examination room, and to treat the waste on the spot whenever it occurs.

The present invention solves the above-mentioned drawbacks of the prior art, and can treat a medical waste including a plastic member such as a disposable type syringe at a waste generation site such as an examination room and is relatively small. It is an object of the present invention to provide a processing device which is suitable for use in a hospital and whose processing is complete.

[0009]

That is, according to the present invention, a piston for pressing a solidified product obtained by cooling a melted substance to a predetermined temperature in a melting tank for charging and dissolving medical waste from the upper opening seals the upper opening. A piston rod inserted through the openable and closable upper lid is fixed to the tip of the piston rod so as to be slidably fitted, and preferably, a cored bar is attached detachably to the piston for defining a shape for pressing a solidified product. This is a medical waste treatment device characterized by the above.

[0010]

The present invention is constructed as described above, and the waste material is put into the melting tank with the upper lid opened, and after the predetermined amount of waste material is put in, the upper lid is sealed and heated. Can be easily sterilized while dissolving
The device is extremely easy to handle and compact.

Also, since the piston presses the melt when the melt of the plastic has cooled to a predetermined temperature,
A dangerous insoluble substance exposed to the outside like a needle is embedded in the plastic, and there is no risk of the operator being injured by the needle exposed on the surface during handling. Can be taken out as.

Further, when cores of various shapes are attached to the tip of the piston, when the melted material cooled to a predetermined temperature is pressed by the piston, modeling according to the shape of the cored bar can be performed, and treated waste materials can be collected. Since it can be taken out as a solidified product having various shapes, the waste product can be reused as a plastic molded product such as a flowerpot.

[0013]

Embodiments of the present invention will now be described with reference to the drawings.

FIG. 1 is a vertical sectional view of an embodiment, in which 1 is a machine frame for mounting various devices, 2 is a cover for covering the upper part of the machine frame 1, and 3 is a heating band attached to the machine frame 1. It is a melting tank in which the heater 4 is wrapped around and the upper and lower surfaces are open.

An upper lid 7 which can be opened and closed is attached to an upper opening 4 serving as a waste inlet of the melting tank 3, and a disc heater is provided at a lower opening 5 serving as a solidified material outlet after treating the waste. An openable / closable bottom lid 8 in which 9 is embedded is attached.

Numeral 10 is a piston rod inserted into the melting tank 3 through the upper lid 7, and this piston rod 10
A piston 11 that is slidably fitted into the melting tank 3 and presses the melted material is attached to the tip of the, and this pressurized material is shaped into various shapes when the melted material is pressed. In order to be able to perform, the core metal 12 having various shapes according to the shape to be formed is detachably attached.

Reference numeral 13 denotes a motor for vertically moving a piston rod 10 mounted on a mounting plate 15 which is rotatably fitted to a shaft 16 which stands vertically on the upper surface of the machine frame 1. The motor shaft of the motor 13 The pinion gear 14 mounted on the piston engages with a rack (not shown) provided on the piston rod 10 to form a vertical movement mechanism.

Therefore, after the upper opening 4 which is the waste input port of the melting tank 3 moves the upper lid 7 upward by the driving of the motor 13, the piston rod 10 is lifted up to a predetermined height which does not hinder the rotation. As shown in the A-A arrow view of FIG. 2, the mounting plate 15 is rotated about the shaft 16 by a predetermined angle regulated by the stopper and rotated to a position deviated from the upper opening 4 as shown by an arrow. Open it.

Of course, the upper opening 4 can be easily closed by performing the reverse operation of the opening operation as described above, but the operation of rotating the mounting plate 15 can be performed by a manual operation of moving the lever by hand or by a usual method. Either automatic operation according to the procedure can be easily performed.

Reference numeral 17 denotes a motor for rotating the bottom cover 8 around the mounting shaft 18 as shown by an arrow, and the lower opening 5 which is a discharge port for taking out the treated coagulated product needs to be opened and closed. By actuating the motor 17 at the time of tapping, the bottom lid 8 is rotated and automatically opened and closed.

Reference numeral 19 denotes a receiving box provided directly below the melting tank 3 for containing the solidified material 20 discharged from the lower opening 5 of the melting tank 3. Box 1
Door 22 that can open and close the outlet 21 for loading and unloading 9
It is provided by attaching.

FIG. 3 shows a perspective view of the apparatus. In the case of this embodiment, it is constructed as an apparatus having two melting tanks in order to efficiently perform the processing little by little, and 23 is a motor 13, An operation switch for operating the device by operating 17 and heaters 6 and 9, and 24 is an openable and closable door attached to the cover 2.

Next, a procedure for treating wastes using the apparatus configured as described above will be described.

First, by operating the motor 13, the piston rod 10 is moved upward, the upper lid 7 is lifted up, and then it is rotated at a predetermined angle. As shown in FIG. The opening 4 is opened, and the waste 25 that has been used in this state is put into the dissolution tank 3.

After a predetermined amount of waste 25 is put into the melting tank 3, as shown in FIG. 5, the piston rod 10 is moved downward by the operation of the motor 13 by operating the post-operation switch 23 after rotating the upper lid 7. The upper opening 4 is closed by the upper lid 7 which is lowered downward.

After the upper opening 4 of the melting tank 3 is closed and sealed by the upper lid 7, as shown in FIG. 6, a band heater 6 wound around the melting tank 3 and a disk heater 9 embedded in the bottom lid 8 are provided. The switch is put in, sterilized at a temperature of about 250 ° C., and heated for a predetermined time until the plastic member is completely melted to form a melt 26.

When the sterilization and dissolution of the waste are completed as described above, the switches of the heaters 6 and 9 are turned off, and the melt 2
6 by forced cooling such as natural cooling or air cooling to 100 to 15
After being cooled to about 0 ° C. to be solidified, as shown in FIG. 7, the solidified material 20 is actuated by the motor 13 to lower the piston rod 10 and pressed by the cored bar 12 to obtain a predetermined shape according to the shape of the cored bar 12. Create a shape.

If the plastic member is simply melted by heating and then solidified as it is, insoluble matter such as needles is not completely embedded in the plastic and solidifies in a state of being exposed on the surface, and if it is discarded as it is. There is a risk that the operator will be injured.
Core metal 1 in a state where it is relatively easily deformed at about 0 to 150 ° C
When pressed with 2, the insoluble matter such as the needle is completely embedded and is not exposed at all on the surface.

As shown in FIG. 8, the solidified material 20 obtained by treating the waste material thus formed and shaping it into a predetermined shape is discharged from the lower opening 5 of the bottom lid 8 opened by the operation of the motor 17, as shown in FIG. The receiving box 1 that was pushed out and placed right below the melting tank 3.
A state in which the upper lid 7 that closes the upper opening 4 can be removed by closing the lower opening 5 with the bottom lid 8 and then lifting the piston rod 10 upward, and then throwing the waste 25 into the melting tank 3 again. And

By repeating the above operation, the waste 25
When the receiving box 19 is completely filled with the solidified material 20, the door 22 of the machine frame 1 is opened and the receiving box 19 is taken out from the outlet 21.

Depending on the shape of the cored bar 12, the solidified material 20 has a cross-sectional shape as shown in FIGS. 9 (a) to 9 (e) and FIGS. 10 (a) to 10 (e). It can be shaped into a variety of flat shapes, and can be used for various purposes such as flower stands, flower pots, ashtrays, paperweights, and accessory cases. In this case, prepare a beautiful decorative case 27 as shown in FIG. 11 (a), place the solidified material 20 itself in FIG. 11 (b) in a colored and shaped state, and decorate it as shown in FIG. 11 (c). When the case 27 is fitted with the solidified material 20, the decorative property is further enhanced and the application as a recycled material is opened.

[0032]

The present invention has the above-described structure and operation. First, the device is small and easy to handle, and since no work such as crushing is required and no noise is generated, it is discarded like an examination room. It is very convenient because it can be placed on the spot where the material is generated and processed on the spot.

The solidified waste is completely sterilized and can be safely handled because the needle is not exposed on the surface, and it can be reused after being shaped into various shapes.

[Brief description of drawings]

FIG. 1 is a longitudinal sectional view of the device,

FIG. 2 is a horizontal sectional view of the device,

FIG. 3 is a perspective view of the device,

[Fig. 4] State of waste input

[Fig. 5] Closed state of melting tank,

[Fig. 6] Dissolved state of waste,

FIG. 7: Pressed state of solidified matter,

[Fig. 8] Discharged state of solidified matter,

FIG. 9 is a cross-sectional shape of a solidified product,

FIG. 10 shows the surface shape of the solidified product,

FIG. 11 shows an example of reusing a solidified product.

[Code]

 3, melting tank 4, upper opening 5, lower opening 7, upper lid 8, lower lid 10, piston rod 11, piston 12, core metal 20, solidified material 25, waste

Claims (2)

[Claims] 1. A piston for pressing a solidified product obtained by cooling a melt to a predetermined temperature is inserted through an openable upper lid that seals the upper opening into a melting tank in which medical waste is charged and melted from the upper opening. A medical waste treatment device, characterized in that it is fixed to the tip of a piston rod and slidably fitted. 2. The medical waste treatment apparatus according to claim 1, wherein a cored bar that defines a shape for pressing the solidified product by molding is detachably attached to the piston.