JPH0340308Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an anesthetic solution supply to an anesthesia vaporizer and an apparatus for extracting the anesthetic solution.

(Prior art) When supplying and discharging a prescribed anesthetic solution to and from an anesthesia vaporizer, conventionally, a funnel-shaped liquid supply container attached to the vaporizer is used. The liquid was poured into the vaporizer, and when draining, the drain port at the bottom of the vaporizer was opened to take out the anesthetic into a special bottle.

(Problem to be solved by the invention) Generally used for anesthesia are Frocene, Etrene,
Volatile anesthetics such as Foley are used, and dedicated vaporizers are used for each. However, with the above-mentioned conventional means that uses a funnel-shaped liquid supply container, there is a risk that the vaporizer specified for each type of anesthetic may be mistakenly injected with another type of anesthetic and misused. Furthermore, when taking out the anesthetic from the vaporizer, it may be mistakenly returned to a bottle containing a different type of anesthetic, resulting in problems such as misuse of the same again.

(Means for Solving the Problems) The present invention eliminates the inconveniences associated with the above-mentioned conventional means, prevents misuse of anesthetics, and ensures proper supply and delivery of anesthetics.
This device is designed to ensure accurate evacuation.The device is equipped with a manual pump device, a degassing device, and an opening/closing valve device for the anesthetic supply/discharge path inside, and one end of the supply/discharge path is placed inside the vaporizer. The anesthetic bottle is attached to the outside of the vaporizer in communication, and the anesthetic vial is removably connected to the opening at the other end of the supply/discharge path of the device casing by means of a cap attached to its mouth. While the device is in an open state, the inside of the medicine bottle is in communication with the supply/discharge path communicating with the vaporizer, the exhaust pressure side of the manual pump device, and the open side of the degassing device, and the type of anesthetic is The present invention is characterized in that the coupling conditions of the cap to the cabinet are varied depending on the requirements, and the means for coupling the cabinet to the cap is specifically restricted.

(Function) In the present invention, as shown in FIG. 1, after a bottle 7 containing a special anesthetic is connected to a container 2 attached to a vaporizer 1 using a specific binding means restricted by a cap 8, By repeatedly pushing the actuating piston 3a of the manual pump device 3, as shown in FIG. Due to the pressurization, the chemical solution in the container passes through the conduit 8c to the liquid passage 8b of the cap 8 to the opening 6a of the supply/discharge passage 6 in the container 2, and then from the valve chamber 5b of the valve device 5, which is now in an open state, to the supply/discharge passage. It is injected and filled into the vaporizer 1 through the other end opening 6b of 6. After injecting a predetermined amount of anesthetic into the vaporizer 1, if the anesthetic bottle 7 is removed, the supply/discharge path 6 in the device housing 2 will be opened.
is closed by the return movement of the valve 5a, and the anesthetic is retained within the vaporizer 1.

In order to take out the anesthetic from the vaporizer 1 into a bottle, a bottle 7 dedicated to the anesthetic is coupled to the container 2. Due to this connection, the valve device is in an open state, and the inside of the vaporizer 1 is communicated with the inside of the bottle 7 through the supply/discharge path 6, as in the case of supplying the anesthetic, so that the degassing device 4 can be operated as shown in FIG. By pressing the button 4a, the air in the bottle 7 is removed from the degassing hole 4b via the ventilation path 8a, so that the chemical solution in the vaporizer 6 naturally flows out from the supply/discharge path 6 into the bottle 7 and is taken out.

Furthermore, when injecting and expelling the anesthetic into the vaporizer 1, the air in the vaporizer 1 is transferred to the container casing 2 which communicates with the vaporizer 1.
It is supplied and discharged from the communication hole 9a and the ventilation hole 9b.

The specific relationship between the vaporizer 1 and the anesthetic vial 7 is restricted by means of coupling the vial 7 to the container housing 2.

That is, in the illustrated example, the medicine bottle 7 is screwed onto the screw tube 10 on the side of the container case 2 by means of a spiral portion 11 provided on the cap 8 as a means for connecting the medicine bottle 7 to the container case 2; By making the diameter of the screw or the spiral pitch for screwing different for each type of anesthetic, it is impossible to connect the container 2 and the medicine bottle 7 other than those specified, but there are also restrictions on connecting means other than screwing. By setting the conditions, it is possible to prevent erroneous injection and withdrawal of anesthetic from the vaporizer.

(Example) Embodiments of the present invention will be described with reference to the drawings.

1 is a vaporizer, 2 is a container casing fixed to the vaporizer, and 7 is an anesthetic bottle which can be attached to and detached from the casing 2 in a dedicated relationship. A pump device 3 whose main body is an operating piston 3a on which a spring 3b is applied is disposed in the housing 2;
A degassing device 4 whose main body is an operation push button 4a that is pressed against a spring 4c, and a valve 5a on which a spring 5c acts.
An opening/closing valve device 5 mainly consisting of an on-off valve device 5 and an anesthetic supply/discharge path 6 whose passage is opened/closed by the valve device are formed, and one end opening 6b of the supply/discharge path 6 is communicated with the vaporizer 1. The container casing 2 is fixed to the vaporizer 1, and the other end opening 6a of the supply/discharge channel 6 is opened at the lower surface of the container casing 2, and this is surrounded to form a screw tube 10 for binding the anesthetic bottle 7, and the container casing is further closed. 2 is provided with a communication hole 9a with the inside of the vaporizer 1 and a vent hole 9b opened to the outside, and between these is provided a vent valve 5d that operates in synchronization with the valve 5a, and also controls the operation of the manual pump device 3. The piston 3a is provided with an on-off valve 3c that closes when the piston 3a is pushed, and an on-off valve 3d that opens when the piston 3a is pushed is provided between the pump chamber and the deaerator 4. A ventilation path 3e communicating with the lower surface of the housing 2 is formed on the open side, and an intake hole 3f opened to the outside is provided above the piston 3a in the pump chamber. The degassing device 4 is provided with a degassing hole 4b that communicates with the outside when the operation push button 4a is pushed in, and the degassing hole 4b communicates with the ventilation path 3e when the push button 4a is pushed in.

The chamber 2 is equipped with an autopsy window 2a that communicates with the inside of the vaporization chamber 1 so that the amount of anesthetic solution injected into the vaporization chamber 1 can be observed from the outside, and a glass plate with a sealed front surface shows the highest standards for the amount of injection. An indication line 2b is provided to prevent injection of excessive anesthetic.

The anesthetic bottle 7 is provided with a cap 8, and the cap 8 is provided with a ventilation path 8a and a liquid path 8b in the center, and the lower opening of a conduit 8c connected to the liquid path 8b is located at the bottom of the bottle.

At the top of the cap 8, a cylindrical portion 8d is provided with a spiral portion 11 that connects with the spiral tube 10 on the side of the housing 2 under specific constraints.
A protrusion 8e is provided at the center of the cylindrical portion 8d.

The medicine bottle 7 is attached to and removed from the container casing 2 by grasping the cap 8 to prevent the bottle from being damaged during handling. The valve device 5 is automatically opened because the valve 5a is pushed up against the spring, and the openings 6a and 6b at both ends of the supply/discharge path 6 communicate with each other, so the inside of the vaporizer 1 and the inside of the medicine bottle 7 are connected to each other as a supply/discharge path. 6. Liquid path 8
b. It communicates via the conduit 8c, and the inside of the medicine bottle 7 is in communication with the exhaust pressure side of the manual pump device 3 and the open side of the degassing device 4 via the ventilation path 8a and the ventilation path 3e on the side of the container casing 2. The anesthetic in the drug bottle 7 can be injected into the vaporizer 1 by operating the manual pump device 3, and the anesthetic in the vaporizer 1 can be taken out into the drug bottle 7 by operating the deaerator 4. Its operation is as described in the action section.

(Effect of the invention) According to the invention, in order to specify the vaporizer and the anesthesia bottle in a mutually exclusive relationship corresponding to each type of anesthetic, the container casing attached to the vaporizer provided for each type of anesthetic and the dedicated one Since the means for connecting to the drug bottle has specific configuration conditions, it is possible to prevent the misuse of injecting an anesthetic other than the one specified into the vaporizer or taking out anesthetic from the vaporizer into a drug bottle other than the one specified. can be done,
In addition, by connecting the medicine bottles to the cabinets that are mutually exclusive, an on-off valve device is automatically installed in the cabinet.
The manual pump device and the deaeration device can be put into operation for injecting and extracting anesthetic, and each operation has the advantage of being easily and accurately performed.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention; Fig. 1 is a perspective view of the vaporizer with the container attached and the anesthetic bottle separated; Fig. 2 is an enlarged cutaway front view of the main parts;
FIG. 3 is a cutaway side view of the same, and FIGS. 4 and 5 are cutaway side views showing the operation. DESCRIPTION OF SYMBOLS 1... Vaporizer, 2... Instrument housing, 3... Manual pump device, 4... Deaerator, 5... Open/close valve device, 6...
...Medical solution supply/drainage path, 7...Medicinal bottle, 8...Cap.

Claims (1)

[Scope of utility model registration request] A device housing 2 in which a hand-guided pump device 3, a deaeration device 4, and an on-off valve device 5 for an anesthetic supply/drainage path 6 are provided.
is attached to the outside of the vaporizer 1 with one end of the supply/discharge passage 6 communicating with the inside of the vaporizer, and the other end of the supply/discharge passage 6 of the device housing 2 is opened by a cap 8 having an anesthetic bottle 7 attached to its mouth. By this connection, the valve device 5 in the container casing 2 is opened, and the supply/drain passage 6 that communicates the inside of the medicine bottle 7 with the inside of the vaporizer 1 and the exhaust of the manual pump device 3 are The connection between the case 2 and the cap 8 is made so that the pressure side and the open side of the degassing device 4 are in communication with each other, and the conditions for connecting the cap 8 to the case 2 are different depending on the type of anesthetic. A device for supplying and discharging an anesthetic to an anesthesia vaporizer, which restricts the means to a specific one.