JP2003339868A - Anesthesia apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a movable anesthesia apparatus having a structure hardly fallen down and effectively utilizing a limited installation space. <P>SOLUTION: In this anesthesia apparatus 50 loaded on a movable table having a plurality of casters, the table 51 has five or more casters 52. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an anesthesia device in which an anesthesia device main body is mounted on a gantry having a plurality of casters and can be pushed and moved by hand. The present invention relates to an anesthesia device having a structure for effectively utilizing the installed space.

[0002]

2. Description of the Related Art Conventionally, as an anesthesia device used in an operating room or the like, anesthesia device main body has been mounted on a gantry which has four casters attached to respective corners of a quadrangular base and can be pushed and moved by hand. The one equipped is provided. Further, JP-A-1-277576 discloses a movable breathing apparatus having a structure in which a housing for accommodating an anesthesia apparatus main body has a pointed shape such as a triangular pyramid or a partial cylinder, and a caster is provided on the lower surface of the housing. It is disclosed. In this publication, by making the housing a pointed shape such as a triangular pyramid or a partial cylinder, a device for connecting to a patient can be placed near the patient without adversely affecting the access of the operating table to the operating table. It states that you can come.

[0003]

However, the conventional anesthesia apparatus described above has the following drawbacks. (1) When performing general anesthesia using an anesthesia device, in order to improve safety, various patient monitors (blood pressure, electrocardiogram, blood oxygen saturation, etc.) or respiratory gas monitor (oxygen, laughing, carbonic acid) Gas, anesthetic concentration, etc.) have come to be used. There is no problem as long as these monitors are built-in anesthesia machine, but usually they are placed on the monitor table provided at the top of the anesthesia machine stand or provided on both sides of the anesthesia machine stand. Arms are attached to the rails, and monitors are attached to them. However, when the monitor is placed on the monitor table, the center of gravity of the anesthesia machine becomes high, and when the monitor is attached to the arm, the center of gravity of the anesthesia machine moves to the left and right. There was a possibility of falling when moving. Also, on the back side of the normal anesthesia device, a spare gas cylinder is attached to the back of the anesthesia device through a yoke adapter.
It was permanently attached, and especially when a heavy object was placed on the monitor table, it was easy to fall to the back side.

(2) The anesthesia device has undergone many improvements in order to enhance its safety and make it easier to use, but as a result, the size of the device increases due to the increase in the number of parts used. There is a tendency. On the other hand, surgery is rapidly advancing, the number of operators is large, and the number of devices that need to be placed around the operating table is increasing. However, in general, an operating room does not always have a sufficiently large space, which makes it difficult to place an increasingly large anesthesia device near an operating table.

(3) In the advanced anesthesia device, various signals from the patient and the anesthesia circulation circuit portion are taken into the main body, so that it is necessary to provide a connecting portion for attaching a connector or an interlocking component on the front surface or the left and right side surfaces of the main body. There is. However, if a connection part is provided on the front of the anesthesia machine, it will be an obstacle for the anesthesiologist to work, so it is desirable to avoid the front and attach it to the left and right, but for operators such as anesthesiologists in front, the left and right side surfaces are It is difficult to see, and it is not easy to access because the operator needs to stand up and move to the left or right in order to perform connection or switching operation.

(4) It is described that the one having the triangular housing as disclosed in Japanese Patent Laid-Open No. 1-277576 can solve the above-mentioned problem (2). However, if the housing has a pointed shape such as a triangular pyramid or a partially cylindrical shape, the storage efficiency will be poor and the amount of parts that should be built into the anesthesia machine body will not change. Therefore, the housing is necessarily large and long and slender. However, in reality, it is difficult to use.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a movable anesthesia apparatus having a structure that is hard to fall down and has a structure for effectively utilizing a limited installation space.

[0008]

In order to achieve the above object, the present invention is an anesthesia device mounted on a movable mount having a plurality of casters, the mount having five or more casters. An anesthesia device is provided. In the anesthesia apparatus of the present invention, the base portion of the anesthesia apparatus may be pentagonal, and casters may be arranged at the respective corners. Further, the front portion of the anesthesia device may be configured as one pentagonal flat surface.

[0009]

DETAILED DESCRIPTION OF THE INVENTION The present invention will be described below with reference to the drawings. 1 to 4 are views showing an embodiment of an anesthesia apparatus according to the present invention, FIG. 1 is a front view, FIG. 2 is a plan view, and FIG.
Is a side view and FIG. 4 is a rear view. Reference numeral 50 in these figures
Is an anesthesia machine. In the present embodiment, the anesthesia device 50
Is provided with a pedestal 51 for accommodating the anesthesia apparatus main body 1 (see FIG. 5) for supplying anesthetic gas to the patient, and five casters 52 attached to the base of the pedestal 51.

The pedestal 51 is composed of a rectangular tube-shaped housing 53 having a substantially trapezoidal shape in a plan view, and a two-legged frame-like body 54 projecting upward from the rear side of the housing 53, and a monitor 55 is provided on the upper part thereof. It is configured. This two-legged frame 54
Rails are fixed to the left and right outer sides, various arms are attached to the rails, and a monitor can be attached to the tip of the arm. An arm 56 is attached to the left surface adjacent to the front surface of the housing 53, and the anesthesia circulation circuit 3 (see FIG. 5) of the anesthesia apparatus body 1 is attached to the tip of the arm 56. Further, two auxiliary cylinders 57 are attached to the back side of the housing 53.

The housing 53 is wider from the front side to the back side, and the casters 52 are provided at the respective corners of the base, and one caster 52 is provided on the back side of the bipod frame 54. There is. These casters 52 have wheels mounted on rotatable bearings, and the tip end portions of the bearings are mounted on a mounting portion 58 provided on the base of the pedestal 51 by fixing means such as screw fitting. Five casters 5 attached to the base of the gantry 51
2 is arranged at each corner of the pentagonal base. The pentagonal shape obtained by connecting the five casters 52 is
The shape may be a regular pentagon, or at least one corner may be a pentagon having an angle different from other corners.

The casters 52 attached to the base of the pedestal 51 can be moved by rolling the wheels while the direction of the wheels can be freely changed so that the anesthesia device 50 can be easily pushed by hand. Has become. The caster 52 is provided with a stopper (not shown) for stopping the rotation of the wheels. In this example, five casters 52 are attached to the base of the gantry 51, but one or more auxiliary casters may be provided on any of the bases. Further, the casters 52 are not limited to the present example, and various structures having different numbers and sizes of wheels can be used.

The height of the housing 53 is set so that an operator such as an anesthesiologist sitting in front of the housing 53 (hereinafter referred to as an anesthesiologist) can easily perform writing and the like, and the monitor 55 is fixed. The position is also set so that the anesthesiologist can easily see it. The monitor 55 may be configured to be vertically movable along the two-leg frame member 54. The monitor 55 is normally fixed with its display screen aligned in the front.
The angle of can be changeable. The monitor 5
Various display devices can be applied as 5, but a TFT liquid crystal display is preferably used in view of advantages such as light weight and thinness.

On the front surface of the housing 53 (see FIG. 1),
A fresh gas outlet 59, an oxygen flush valve 60, etc. are arranged. On the back surface of the housing 53 (see FIG. 4), a plurality of spare outlets 61, fuses 62,
A power supply terminal 63, a gas inlet 64, a surplus gas interface 65, etc. are provided. Housing 5
On the back surface of 3, auxiliary cylinders 57 are provided on the left and right of the caster 52 as the center. These auxiliary cylinders 5
Reference numeral 7 is connected so that any one of oxygen, laughing gas and air is filled and the filled gas can be supplied to the gas supply unit 10 of the anesthesia apparatus main body 1 mounted on the pedestal 15.

FIG. 5 is a view showing an example of the anesthesia apparatus main body 1 mounted on the frame 51 and mainly housed in the housing 53. The anesthesia apparatus main body 1 includes an anesthesia machine main body 2 for supplying a mixture of oxygen gas, at least one of laughing gas and air, and a volatile anesthetic, and an oxygen gas supplied from the anesthesia machine main body 2. Anesthesia circulation in which at least one of laughing gas and air and fresh gas containing a volatile anesthetic are mixed into the exhalation of the patient A, and the circulation air and the fresh gas are mixed and sent as inspiration to the patient A. It is roughly divided into circuits 3. The anesthesia machine main body 2 includes a gas supply unit 10 for supplying an anesthetic gas containing a laughing gas, a flow meter 11 for measuring a flow rate of the anesthetic gas supplied from the gas supply unit 10, and a volatile anesthetic in the anesthetic gas. The vaporizer 12 supplies the agent in a vaporized state.

The gas supply unit 10 adjusts the pressure of oxygen gas, laughing gas, and air supplied from the outside, and
The pressure at that time is displayed. The vaporizer 12
Is a volatile anesthetic, halothane, enflurane, isoflurane, sevoflurane, and desflurane, etc., is sent to the vaporization chamber by a microinjection pump to a predetermined concentration, where the vaporized volatile anesthetic is Gas supply unit 1
It is mixed with the anesthetic gas sent from 0.
The anesthesia machine body 2 is provided with a pressure sensor 13, a calculation unit 14, and a display unit 15. The anesthesia circulation circuit 3 mixes the fresh gas (anesthetic gas) containing the volatile anesthetic agent supplied from the anesthesia machine main body 2 into the circulation gas after absorbing and removing carbon dioxide gas from the exhaled air of the patient A, and mixing the mixture. A mixture of air and the fresh gas is sent to the patient A as inhalation. The anesthesia circulation circuit 3 includes an inspiratory flow passage 21 into which the inspiratory air supplied to the patient A flows and an expiratory flow passage 22 into which expiratory air from the patient A flows.
And a breathing circuit 23 that connects the inspiratory flow path 21 and the expiratory flow path 22 to the patient A. The breathing circuit 23 may use a coaxial double tube structure.

The intake flow path 21 is provided with an intake valve 25 and a mixing chamber 26 in order from the one farther from the patient A to the one closer to the patient A. The intake flow path 21 is opposite to the side of the intake flow path 21 connected to the patient A side. The end portion on the side merges with the flow passage 2a to which the anesthetic gas is supplied from the anesthesia machine body 2 and is connected to the end portion of the expiratory flow passage 22. The intake valve 25 includes a carbon dioxide absorption canister 32 and a mixing chamber 26.
The flow of gas to the side is allowed, but the flow in the opposite direction is regulated. In the exhalation flow path 22, a mixing chamber 28, an exhalation valve 29, a relief valve 30, a bag 31, a carbon dioxide gas absorption canister 32, and an anesthetic absorption canister 33 are sequentially provided in a direction away from the patient A. An anesthetic agent absorption canister 33 is juxtaposed to the gas absorption canister 32. Exhalation valve 29
Allows the flow of gas from the mixing chamber 28 to the bag 31 side, but restricts the reverse flow. The relief valve 30 releases the pressure in the flow passage 22 when the pressure in the exhalation flow passage 22 becomes equal to or higher than a predetermined pressure, and restricts the pressure from further increasing. The bag 31 is a bag-shaped bag that can be exhaled to send the inspiratory air to the patient A, and various sizes are prepared according to the supply amount of the inspiratory air to be sent to the patient A, and can be appropriately replaced. . The carbon dioxide absorption canister 32 absorbs and removes carbon dioxide from the breath of the patient A, and is filled with a carbon dioxide absorbent such as soda lime. Bag 31
A three-way valve 35 is provided at a portion of the bag 3 that is connected to the expiratory flow path 22.
1 and the ventilator 36 can be switched and connected.

The ventilator 36 can be selected from a volume limit type in which the volume is controlled and a pressure limit type in which the pressure is controlled. Further, the ventilator 36 is provided with an exhaust port (not shown) for exhausting excess gas. A flow sensor 37 is provided in the breathing circuit 23. The flow rate sensor 37 measures the flow velocity of the expiratory flow path and the inspiratory flow path, and the ventilation volume is determined based on the detected values. The oxygen sensors 41a, 41 are provided in the intake side and expiratory side mixing chambers 26, 28, respectively.
b, carbon dioxide gas sensors 42a, 42b, anesthetic gas sensor 4
3a and 43b are provided, respectively. Each of these sensors is electrically connected to the calculation unit 14 provided in the anesthesia machine body 2. The calculation unit 14 calculates the oxygen intake amount and the carbon dioxide gas discharge amount for each breath of the patient A during anesthesia based on the detected values from these sensors and the flow rate sensor, and the anesthetic gas sensors 43a and 43b. The balance of the anesthetic gas balance is calculated based on the detected value of 1 and the detected value of the flow rate sensor. The calculated values are displayed on the display unit 15 connected to the calculation unit 14.

It is desirable that the anesthesia circulation circuit 3 such as the carbon dioxide gas absorption canister 32 and the bag 31 be arranged on the arm 56 so that the anesthesiologist can immediately use and constantly monitor the anesthesia circulation circuit 3. As the anesthesia device main body 1, not only the low flow anesthesia device shown in FIG. 5 but also a gas supply portion of another conventionally known anesthesia device having the same function can be applied. It is also possible to apply the gas supply portion of the anesthesia device body obtained by making various changes to the anesthesia device body 1 shown in FIG.

The anesthesia device 50 of this embodiment has five casters on the base of a pedestal 51 on which the anesthesia device body 1 is mounted.
A housing 5 that is arranged in a rectangular shape and stores the anesthesia device body
The center of gravity of the anesthesia device 50 is lowered because heavy objects such as the two-legged frame-like body 54 to which the monitor 3 and the monitor 55 are fixed and the auxiliary cylinder are configured such that the center thereof is inside the pentagon connecting the five casters 52. As the center of gravity is not tilted to the left or right when it is set to the position, stable movement is possible. Further, since it has a pentagonal base formed by five casters 52, the anesthesia device 50 can be moved more smoothly than a conventional device having four or three casters. In particular, the direction change and the rotation operation when moving the anesthesia apparatus 50 become smooth. Therefore, according to the present invention, it is possible to realize an anesthesia device that is hard to fall down when pushed and moved by hand. In addition, a housing 53 for accommodating the main body of the anesthesia device and a bipod frame 54
And an auxiliary cylinder 5 formed by five casters 52
Since it is arranged in the rectangular base, the storage efficiency is improved, the anesthesia device can be downsized, and the convenience when installing and using in a narrow operating room can be improved. Further, the pentagonal base formed by the five casters 52 is provided with a housing 53 having a trapezoidal shape in plan view with the back side wider than the front side. By arranging the connecting portion for connecting the conduit end and the wiring end, the connecting portion does not interfere with the anesthesiologist positioned in front, and both the left and right sides are easily visible and accessible.

[0021]

According to the present invention, it is possible to provide a movable anesthesia device which is hard to fall down and has a structure for effectively utilizing a limited installation space.

[Brief description of drawings]

FIG. 1 is a front view of an anesthesia apparatus showing an embodiment of the present invention.

FIG. 2 is a plan view of the same anesthesia device.

FIG. 3 is a side view of the same anesthesia device.

FIG. 4 is a rear view of the same anesthesia device.

FIG. 5 is a configuration diagram illustrating an anesthesia device main body mounted on the anesthesia device.

[Explanation of symbols]

50 Anesthesia device 51 stand 52 casters 53 housing 54 2-legged frame 55 monitor 56 arms 57 Auxiliary cylinder 58 Mounting part

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Katsuhiro Kamiya             3-23-13 Hongo, Bunkyo-ku, Tokyo Izumi Technician             Kashinko Co., Ltd. F-term (reference) 4C341 LL07

Claims (3)

[Claims] 1. An anesthesia device mounted on a movable gantry having a plurality of casters, wherein the gantry has five or more casters. 2. The anesthesia apparatus according to claim 1, wherein the base portion of the anesthesia apparatus is pentagonal, and casters are arranged at respective corners. 3. The anesthesia apparatus according to claim 2, wherein the front surface portion of the anesthesia apparatus is one pentagonal flat surface.