JPH02232061A - Chemical container and pressure accumulating tank for medical hoseless spray - Google Patents

Abstract

PURPOSE:To visually confirm that chemical is exhausted in a chemical container by providing two metal fitting receiving grooves and a receiving groove projecting part on a taper surface and a spherical surface part to constitute the tip of a cylindrical projecting part, which can be attached and detached to the socket of a pressure accumulating tank, in a lower tip part. CONSTITUTION:A chemical container 1 is put in a pressure accumulating tank 11. In the upper part of this pressure accumulating tank 11, a spraying part and a pressure adjusting part are provided. In the lower end of the chemical container 1, a cylindrical projecting part 2 is formed to be a cylindrical shape which is slightly slenderer than the part of the chemical container. In a tip part 3 of this cylindrical projecting part 2, a taper surface 4 and a spherical surface part 5 are alternatively provided. On the tip part 3, a metal fitting receiving groove 6 and a receiving groove projecting part 7 are provided. In a lower end in the internal part of the pressure accumulating tank 11, a socket 13 is provided to attach and detach the chemical container 1. The socket 13 is fitted freely turnably by a socket fixing screw 14. Openings 15 are provided in two spots at least around the socket 13 and a metal fitting 16 is fitted to this opening 15.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a drug solution container and a pressure accumulating tank in a hoseless sprayer used for medical purposes, particularly for otorhinolaryngology or dental treatment.

BACKGROUND OF THE INVENTION In otorhinolaryngology or dental practice, pneumatic pressure is often used to spray a medicinal solution onto the affected area of a patient.

The treatment table used for this treatment is equipped with a compressor and the like that sends compressed air into the interior of the treatment table. The compressor is connected to a chemical sprayer by a hose. When a doctor changes the location of his/her medical treatment, he/she must carry the sprayer in hand and move the hose along with the sprayer.

Therefore, the nebulizer with a hose not only interferes with medical treatment, but also increases the fatigue of doctors.

Therefore, there has been a strong demand for a sprayer without a hose, that is, a hoseless sprayer.

[Conventional technology]

A conventional example will be explained with reference to FIG. FIG. 5 is an explanatory diagram of a conventional example of an otorhinolaryngological spray.

In FIG. 5, reference numeral 21 denotes a chemical liquid container, which is connected to a spraying section 26 via a cap 22. 23 is an on-off valve provided on one side of the lid plug 22. When the pusher 24 is pressed by the doctor's thumb, the sliding rod 25 moves to open the on-off valve 23, opening the pressure accumulator tank. One compressed air enters the chemical liquid container 21 from inside 27.

When the pressure inside the chemical liquid container 21 increases, the chemical liquid sucked up through the suction pipe 29 in the chemical liquid container 21 flows into the injection pipe 28.
It is sprayed in a mist form from the tip. The on-off valve 23 is connected to the pressure regulator 3l via an air supply pipe 30, and is detachably attached to the pressure regulator 31 with a nut 32. Further, the pressure regulator 31 is provided above the pressure accumulating tank 27 as shown in FIG.

A leg piece 3 is connected to the lower part of the pressure storage tank 27 through an air supply port 33.
4 is installed. The leg piece 34 has an upper valve 35, and the lower part of the upper valve 35 has an upper tubular valve rod 36.
is installed. A portion of the upper tubular valve rod 36 protrudes from the guide hole of the leg piece 34.

A doctor performs medical treatment while holding Hoseless Spray A described above in his hand.

Next, the air charger for accumulating compressed air in the pressure accumulating tank 27 of the hoseless sprayer A will be explained.

The upper center of the housing 40 has a sliding groove in which the leg piece 34 is fitted and can slide up and down, and a receiving part 41 into which the hoseless sprayer A is inserted is attached to the upper part of the sliding groove. ing. A sensor 42 is installed on the side of the receiving part 41.
can be installed.

Therefore, hoseless spray A is not used and
When it is inserted into the receiving part 41, the sensor 42 detects this and causes current to flow through the coil 45 of the electromagnet 43.

Then, the yoke 46 supporting the coil is magnetized and draws the leg 34 downward.

At this time, the upper valve 35 and the lower valve 47 open through the communication hole, and remain closed when the leg piece 34 is not being sucked.

The air charger B as described above is attached to a unit 48 of a treatment table (not shown).

In the apparatus configured as described above, a doctor pulls out the hoseless spray A from the receiving part 41 in order to perform medical treatment. Then, the doctor
into the affected area, and then press the pusher 24 with your thumb. Pusher 2
When 4 is pressed, the on-off valve 23 opens and the compressed air accumulated in the pressure accumulation tank 27 is transferred to the pressure regulator 31 and the air supply pipe 30.
and enters into the drug solution container 21. When the air pressure inside the drug solution container 21 increases, the drug solution passes through the suction tube 29 and the spray section 26 and is sprayed from the tip of the injection tube 28 onto the affected area.

When the spray treatment is completed, the doctor inserts the hoseless sprayer A into the receiving part 41. A sensor 42 provided on one side of the receiving portion 41 detects the hoseless spray A and causes an electric current to flow through the electromagnet 43. As a result, the yoke 46 of the electromagnet 43 is magnetized and moves the leg piece 34 of the hoseless sprayer A made of a magnetic material to the hoseless sprayer A.
Inhale with. When the leg piece 34 is sucked downward, the fifth
A valve hole that is not visible in the diagram opens. As a result, compressed air sent from a compressor (not shown) enters the pressure accumulation tank 27 through the compressor connection 49, the lower valve 47, the upper valve 35 and the air supply port 33. After a certain period of time has passed, the pressure within the pressure storage tank 27 increases and reaches a certain pressure. Then, the pressure acts in a direction to push down the upper valve 35 to prevent compressed air from escaping from the pressure accumulation tank 27.

At this time, the circuit of the electromagnet 43 is still operating, so
In order to prevent the electromagnet 43 from burning out, the circuit of the electromagnet 43 is cut off by a timer (not shown).

In this way, when one medical treatment is completed, preparations can be made automatically for the next medical treatment.

[Problem to be solved by the invention]

For hoseless spray A as above, chemical container 2
Each time one chemical solution runs out, the chemical solution container 21 containing the drug solution is replaced.

However, since it is difficult to confirm how much air pressure remains in the pressure accumulation tank 27, if the nut 32 is removed without releasing the compressed air in the pressure accumulation tank 27, the pressure accumulation tank 27
The spray part 26 pops out due to the internal pressure. The fact that this spray part 26 hits the doctor, nurse, or patient in the treatment room, as well as various liquid medicine containers or medical equipment in the treatment room, is
Very dangerous.

Further, since the medical solution container 21 contained in the pressure accumulation tank 27 is not visible to doctors and nurses, they cannot tell even if the medical solution therein has run out. Therefore, there has been a problem in that the doctor only realizes that there is no medicinal solution after receiving medical treatment.

In order to solve the above-mentioned problems, the present invention has developed a medical hoseless sprayer that does not pose any danger even if the nut 32 is removed by mistake when compressed air is left in the temporary pressure storage tank 27. The purpose is to provide chemical liquid containers and pressure storage tanks.

SUMMARY OF THE INVENTION An object of the present invention is to provide a medical hoseless spray chemical container and a pressure accumulator tank that can visually confirm when the chemical liquid in the container has run out.

[Means for Solving the Problems] In order to achieve the above object, the medical solution container in the medical hoseless sprayer of the present invention has a cylindrical convex portion that can be attached to and detached from the socket of the pressure accumulator tank at the lower tip, and Consisting of a tapered surface and a spherical part that constitute the tip of the convex part, and at least two fixing metal receiving grooves and a receiving groove convex part provided around the cylindrical convex part on the tapered surface and the spherical part. do.

Further, the tapered surface, the receiving groove convex portion, the spherical surface portion, and the fixing metal fitting receiving groove are configured to be arranged in correspondence with each other.

The pressure accumulation tank in the medical hoseless sprayer of the present invention has a leg piece provided at the lower end having an on-off valve for accumulating compressed air pressure, and is rotatably attached to the lower part by a socket fixing screw, and has at least two sides. The container comprises a socket provided with an opening, and a fixture provided to close the opening and fitted into a fixture receiving groove of the chemical liquid container through the opening.

Further, the fixing metal fitting is configured to curve toward the inside of the opening.

The medical solution container and the pressure accumulation tank in the medical hoseless sprayer of the present invention are constructed from visible members.

[For production]

When the drug solution container is inserted into the socket, the tapered surface at the tip of the drug solution container comes into contact with a fixing metal fitting provided on the socket. In this case, after rotating the socket whose tapered surface is integrated with the fixing fitting, the fixing fitting of the socket and the fixing fitting receiving groove of the drug solution container are aligned and locked.

In addition, if the tapered surface at the tip of the drug solution container does not touch the fixing metal fitting provided on the socket and is inserted from the spherical part, the fixing metal fitting of the socket and the fixing metal fitting receiving groove of the chemical liquid container will connect as they are. Matches and locks.

When the fixing metal fitting receiving groove of the chemical liquid container and the fixing metal fitting of the socket are locked, the socket is rotatable even when the chemical liquid container is rotated, so that both rotate. However, when you try to pull out the chemical container and turn it while pulling it up, the socket's fixing bracket is locked with the container's fixing bracket, so the brake is applied due to the frictional resistance between the socket and the socket fixing screw, and the socket is removed. I don't work shifts. When only the drug solution container rotates without the socket rotating, the fixing fitting rides on the receiving groove convex portion at the tip of the socket. As a result, the lock between the fixing metal fitting receiving groove of the chemical liquid container and the fixing metal fitting is released, and the chemical liquid container is removed from the socket.

〔Example〕

Embodiments of the present invention will be described with reference to FIGS. 1 to 4. Fig. 1 is an external view of the medical hoseless sprayer according to the present invention, Fig. 2 is an external view of the spraying section and drug solution container according to the present invention, Fig. 3 is an external view of the pressure accumulator tank according to the present invention, and Fig. 4 is an external view of the medical hoseless sprayer according to the present invention. It is an explanatory view of attachment and detachment of a chemical liquid container.

In the medical hoseless spray A of the present invention, as shown in FIG. A spray section 10 and a pressure adjustment section 20 are provided at the upper part of this pressure accumulation tank 11. Then, the medical hoseless sprayer A accumulates compressed air in the pressure accumulation tank 11 from an air charger (not shown) and is ready for medical treatment.

When performing medical treatment, a doctor holds Hoseless Spray A in one hand, presses the pressure regulator 2o with his thumb, and then presses the spray part 10.
The patient is treated by spraying a medicinal solution from the tip of the device.

Next, the chemical liquid container will be explained with reference to FIG. 2.

In FIG. 2, a chemical liquid container 1 is made of a chemical-resistant material, but it can also be made of reinforced plastic or the like so that the chemical liquid inside the chemical liquid container 1 can be seen. The lower end of the drug solution container 1 forms a cylindrical convex portion 2 that has a cylindrical shape (or may be a cylinder) that is slightly thinner than the portion of the drug solution container. As shown in the figure, the tip 8B3 of the cylindrical convex portion 2 is provided with a tapered surface 4 and a spherical surface 5 alternately. Furthermore, a fixing fitting receiving groove 6 and a receiving groove convex portion 7 are provided on the tip portion 3.

In FIG. 2, the receiving groove convex portion 7 is cut into a rectangular shape, but at least two portions are required and the receiving groove convex portion 7 is a polygon having a triangular shape or more.

Further, the tapered surface 4 and the receiving groove convex portion 7 are provided to face each other.

Next, the pressure accumulator tank will be explained with reference to FIG. 3. In FIG. 3, reference numeral 11 denotes a pressure accumulator tank made of a pressure-resistant material, but it can also be made of reinforced plastic or the like so that the chemical solution container 1 can be seen.

A leg piece 12 having a valve hole (not shown) is provided at the outer lower end of the pressure accumulation tank 11. In addition, a socket 1 for attaching and detaching the chemical liquid container 1 is provided at the lower end of the interior of the pressure storage tank 11.
3 is provided. The socket 13 is attached with a socket fixing screw 14 so as to be rotatable.

Furthermore, openings 15 are provided at at least two places around the socket 13, and fixing fittings 16 are attached to these openings 15. The fixing fitting 16 is, for example, a spring made of a wire rod, and is curved toward the inside of the opening 15.

In the pressure accumulation tank 11 configured in this way, a chemical solution container 1,
After the lid consisting of the spray unit 11, pressure regulator 20, etc. is closed, the pressure accumulation tank 11 is placed in the air charger, and compressed air enters the pressure accumulation tank 11 through the leg piece 12 and through the valve and introduction hole that are not visible in the figure. .

The manner in which the chemical solution container 1 is attached to and removed from the socket 13 of the pressure accumulation tank 11 will be described below with reference to FIGS. 4(a) to 4(f).

FIG. 4(a) shows the state before the chemical solution container 1 is fitted into the pressure accumulating tank 11. When the chemical liquid container 1 is further inserted into the socket 13 than shown in FIG.
The spherical surface part 5 of As a result, the fixture 16 falls into the fixture receiving groove 6 of the chemical liquid container 1 while sliding on the spherical portion 5, and the chemical liquid container 1 and the socket 13 are locked.

FIG. 4(c) shows this state.

If the tapered surface 4 of the drug solution container l hits the fixture 16 of the socket 13, the socket 13 is rotated while sliding on the curved part of the fixture 16 since the socket l3 is rotatably attached.

The result is the same as shown in Figure 4 (opening), and the fixing bracket 1
6 falls into the fixing metal receiving groove 6 of the chemical liquid container 1, and the chemical liquid container 1 and the socket 13 are locked.

Next, a case will be described in which the lock between the chemical liquid container 1 and the socket 13 is released. Figure 4 (2) shows the chemical liquid container l and the socket 13.
This shows the case where the and are fitted.

When holding the drug solution container 1 and pulling it up from the socket 13 while rotating, the drug solution container 1 and the socket 13 are locked, so the drug solution container 1 and the socket 13 initially rotate together. However, when the drug solution container 1 is further rotated and pulled up from the socket 13, the drug solution container 1 is removed from the socket 13.
It can't go any higher because it's locked with 3. In this state, due to friction between the socket 13 and the socket fixing screw 14, the rotatably mounted socket l3 stops rotating. As a result, the locked fixture 16 of the socket l3 comes off the fixture receiving groove 6 of the chemical liquid container 1 and rides on the receiving groove convex portion 7. FIG. 4(E) shows this state. When the lock is released, the chemical liquid container 1 is removed from the socket 13 as shown in FIG.

Although the embodiments of the present invention have been described in detail above, the present invention is not limited to the above embodiments. Various design changes can be made without departing from the scope of the invention as set forth in the claims.

For example, the fixture for the socket in the embodiment is a filament that wraps around the socket, but the shape can be changed as long as the function is the same.

Further, any material can be used for forming the chemical solution container and the pressure accumulation tank as long as it can be visually recognized.

〔Effect of the invention〕

According to the present invention, the chemical solution container and the socket of the pressure accumulation tank are locked by the fixing metal fitting receiving groove of the chemical solution container and the fixing metal fitting of the socket for the pressure accumulation tank, so that compressed air is not left in the pressure accumulation tank. However, the compressed air will not blow away the chemical container.

Since the lock is released when the drug solution container is rotated and pulled up, the drug solution container and the socket can be reliably fitted and can be easily removed.

Further, according to the present invention, since the drug solution container and the pressure accumulation tank are made of reinforced plastic or the like, it is possible to visually confirm whether or not there is a drug solution from the outside, and the container is lightweight, making it easy to perform medical treatment.

[Brief explanation of the drawing]

Fig. 1 is an external view of the medical hoseless sprayer according to the present invention, Fig. 2 is an external view of the spraying section and liquid medicine container according to the present invention, Fig. 3 is an external view of the pressure accumulator tank according to the present invention, and Fig. 4 (A). 1 to 2 are explanatory diagrams of attachment and detachment of the liquid medicine container in the present invention, and FIG. 5 is an explanatory diagram of a conventional example of an otorhinolaryngological spray. 1...Medical solution container 2...Cylindrical convex part 3...Tip tapered surface Spherical fixing metal fitting Receiving groove Receiving groove Convex part, Spray part, Pressure storage tank, Leg piece, Socket', Opening, Fixing metal fittings, Pressure Adjustment department book 4 2 12 ♂゛ 1 division ■ Sep 7・yoα-J==tc
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Claims (6)

[Claims] (1) A medical hoseless sprayer consisting of a medical liquid container 1 detachably attached to a pressure accumulating tank 11 and a spraying section 10 that sprays a medical liquid by feeding compressed air in the pressure accumulating tank 11 into the medical liquid container 1. A cylindrical convex portion 2 that can be attached to and removed from the socket 13 of the pressure accumulator tank 11 is provided at the lower tip; a tapered surface 4 and a spherical portion 5 forming the tip of the cylindrical convex portion 2; and the top of the tapered surface 4 and the spherical portion 5. and at least two fixing metal receiving grooves 6 provided around the cylindrical convex portion 2.
and a receiving groove convex portion 7, A medical solution container in a medical hoseless sprayer, comprising: (2) The chemical liquid in the medical hoseless sprayer according to claim 1, wherein the tapered surface 4 and the receiving groove convex portion 7, and the spherical surface portion 5 and the fixing metal receiving groove 6 are arranged in correspondence with each other. container. (3) A medical hoseless sprayer comprising a medical liquid container 1 detachably attached to a pressure accumulating tank 11, and a spraying unit 10 that sprays a medical liquid by feeding compressed air in the pressure accumulating tank 11 into the medical liquid container 1, A leg piece 12 having an on-off valve for accumulating compressed air at its lower end; a socket 13 rotatably attached to the lower part with a socket fixing screw 14 and having an opening 15 on at least two sides; 15, and the opening 15
A pressure accumulator tank for a medical hoseless sprayer, comprising: a fixing fitting 16 that fits into a fixing fitting receiving groove 6 of the chemical liquid container 1 through the above. (4) The pressure accumulating tank in a medical hoseless sprayer according to claim 3, wherein the fixing fitting 16 is curved toward the inside of the opening 15. (5) The drug solution container in the medical hoseless sprayer according to claim 1, which is composed of a visible member. (6) The pressure accumulating tank in the medical hoseless sprayer according to claim 3, which is constituted by a visible member.