CN104208795A - Gas course switching device for anaesthesia machine and anaesthesia machine with same - Google Patents
Gas course switching device for anaesthesia machine and anaesthesia machine with same Download PDFInfo
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- CN104208795A CN104208795A CN201310215693.1A CN201310215693A CN104208795A CN 104208795 A CN104208795 A CN 104208795A CN 201310215693 A CN201310215693 A CN 201310215693A CN 104208795 A CN104208795 A CN 104208795A
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Abstract
The invention discloses a gas course switching device for an anaesthesia machine and the anaesthesia machine with the gas course switching device. The gas course switching device comprises a valve body, a separator and a handle. One side of the valve body is opened to form an opening, a first gas course channel, a second gas course channel and a third gas course channel are arranged on the valve body, a moving part is movably arranged in the valve body, the separator is arranged on the moving part, and the separator synchronously moves along with the moving part so that the first gas course channel can be communicated with the second gas course channel or the third gas course channel. The handle comprises a handle body and a handle rod arranged on the handle body, the handle body stretches into the valve body and seals the opening constantly, the handle body is connected with the moving part, and the handle body can swing around the rotating axis of the handle body to drive the moving part to move. The handle of the gas course switching device can seal the opening of the gas course switching device all the time, and thus the appearance of the gas course switching device is beautified.
Description
Technical field
The present invention relates to technical field of medical instruments, especially relate to a kind of gas path switching device for anesthetic machine and there is its anesthetic machine.
Background technology
In anesthetic machine, leather bag and bellows are for patient provides gas requisite two gas storage equipment, and wherein leather bag needs artificial manual squeezing and air feed, and bellows carry out air feed by the intelligentized control method of anesthetic machine.In order to realize the switching of leather bag and bellows two kinds of plenum systems, in the gas circuit of connection of being everlasting, a gas path switching device is set.
But in existing anesthetic machine, gas path switching device has opening, handle portion extend in opening and carries out handover operation, and general only manually and machine control two states time, handle just closure of openings, and in moving process, is apertured between opening and handle, namely be interlinked to the outside in, affect the overall appearance of gas path switching device.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.
For this reason, one object of the present invention is to propose the gas path switching device for anesthetic machine, and the handle of this gas path switching device can close the opening of gas path switching device always, thus has beautified the outward appearance of gas path switching device.
Another object of the present invention is to propose a kind of anesthetic machine, this anesthetic machine comprises above-mentioned gas path switching device, thus makes the outward appearance of anesthetic machine more attractive in appearance.
The gas path switching device for anesthetic machine of embodiment, comprising: valve body according to a first aspect of the present invention, and the side of described valve body is opened wide to form opening, and described valve body is provided with the first gas channels, the second gas channels and the 3rd gas channels; Moving member, described moving member is located in described valve body movably; Separator, described separator is located on described moving member, described separator with described moving member synchronizing moving so that described first gas channels is communicated with one of described 3rd gas channels with described second gas channels; Handle, described handle comprises handle body and is located at the handlebar on described handle body, described handlebar is positioned at outside described valve body, described handle body part extend in described valve body and described handle body often closes described opening, and described handle body is connected with described moving member and described handle body is swingable to drive described moving member to move around the rotation axis of described handle body.
According to the gas path switching device for anesthetic machine of the embodiment of the present invention, pass through swing handle, conducting and the disconnection of each vent line can be realized easily, rapid operation, and pass through the shape of reasonable design handle, thus the opening of handle closed valve always can be ensured when operating grip, such operator can not see the parts in valve body, improves the outward appearance of gas path switching device.
In addition, according to the gas path switching device for anesthetic machine of the embodiment of the present invention, can also following additional technical feature be had:
According to one embodiment of present invention, described opening is formed in the top of described valve body, and described handle body drives described moving member to move up and down.
According to one embodiment of present invention, described moving member is configured to the guide pillar of downward-extension, and the upper end of described guide pillar is connected pivotly with described handle body.
According to one embodiment of present invention, the outside of described moving member is arranged with stator; Described gas path switching device also comprises spring, and described spring housing is located at the outside of described moving member, and one end of described spring is fixed and the other end is connected with described stator.
By arranging spring, when moving member moves, spring is in compressive state all the time, and such spring can be applied to handle body power, can prevent handle from freely swinging under this force.
According to one embodiment of present invention, described separator is configured to diaphragm, and described diaphragm is set in the outside of described moving member.
According to one embodiment of present invention, described first gas channels, described second gas channels and described 3rd gas channels be arranged in parallel and separate between the upper and lower, and described first gas channels, described second gas channels and described 3rd gas channels are positioned at the same side of described valve body.
Thus, the same side that these three gas channels are arranged in valve body makes the structure of valve body compacter, thus gas path switching device overall structure is more reasonable, small and exquisite.
According to one embodiment of present invention, described opening is circular, and the outer surface of described handle body is configured to spherical surface, and the rotation axis of described handle body is by the centre of sphere corresponding to described spherical surface.
According to one embodiment of present invention, described handle body is connected by bearing pin with described guide pillar, and the rotation axis parallel of the central axis of described bearing pin and described handle body and being spaced.
According to one embodiment of present invention, the position limiting structure swung in predetermined angular range for limiting described handle body is provided with in described valve body.
The anesthetic machine of embodiment according to a second aspect of the present invention, comprises the gas path switching device for anesthetic machine according to the above-mentioned first aspect embodiment of the present invention.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the schematic diagram of gas path switching device according to an embodiment of the invention, and wherein moving member is positioned at primary importance;
Fig. 2 is the schematic diagram of gas path switching device according to an embodiment of the invention, wherein a certain position of moving member between primary importance and the second position;
Fig. 3 is the schematic diagram of gas path switching device according to an embodiment of the invention, and wherein moving member is positioned at the second position.
Description of reference numerals:
Valve body 1;
The outlet 112 of import 111, first gas channels of the first gas channels 11, first gas channels;
The outlet 122 of import 121, second gas channels of the second gas channels 12, second gas channels;
The outlet 132 of import the 131, three gas channels of the 3rd gas channels the 13, three gas channels;
Valve pocket 14;
Moving member 2;
Stator 21, spring 22;
Separator 3;
Handle 4;
Handle body 41, handlebar 42;
Position limiting structure 5.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Below with reference to Fig. 1-Fig. 3, the gas path switching device for anesthetic machine according to the embodiment of the present invention is described.
According to an embodiment of the invention for the gas path switching device of anesthetic machine, comprise valve body 1, moving member 2, separator 3 and handle 4.
The side of valve body 1 is opened wide to form opening, and opening can be circular open.Valve body 1 inner hollow, thus limit valve pocket 14 in valve body 1.Valve body 1 is provided with the first gas channels 11, second gas channels 12 and the 3rd gas channels 13.Particularly, as shown in Figure 1, the import 111 that the first gas channels 11 has import 111 and outlet the 112, first gas channels 11 is communicated with valve pocket 14, and the outlet 112 of the first gas channels 11 is suitable for being communicated with patient's gas circuit (scheming not shown).
As shown in Figure 1, the import 121 that the second gas channels 12 has import 121 and outlet the 122, second gas channels 12 is suitable for being connected with the leather bag of anesthetic machine (scheming not shown), and the outlet 122 of the second gas channels 12 is communicated with valve pocket 14.As shown in Figure 1, the import 131 that the 3rd gas channels 13 has import 131 and outlet the 132, three gas channels 13 is suitable for being connected with the bellows of anesthetic machine (scheming not shown), and the outlet 132 of the 3rd gas channels 13 is communicated with valve pocket 14.
As shown in Figure 1-Figure 3, moving member 2 is located in valve body 1 movably, separator 3 is located on moving member 2, separator 3 can synchronizing moving with moving member 2, that is, moving member 2 can drive separator 3 to move, thus is communicated with one of the 3rd gas channels 13 with the second gas channels 12 by the first gas channels 11, in other words, the movement of separator 3 can realize being communicated with of being communicated with of the first gas channels 11 and the second gas channels 12 or the first gas channels 11 and the 3rd gas channels 13.
As shown in Figure 1, the handlebar 42 that handle 4 comprises handle body 41 and is located on handle body 41, handle body 41 and handlebar 42 can be integrally formed.Handlebar 42 is positioned at outside valve body 1, thus handled easily person holding operation handlebar 42.
As shown in Figure 1-Figure 3, handle body 41 part to extend in valve body 1 and the normal closing openings of handle body 41, and that is, a part for handle body 41 inwardly extend in valve pocket 14 from described opening.Handle body 41 is connected with moving member 2 and handle body 41 is swingable to drive moving member 2 to move around the rotation axis of handle body 41, and in other words, when handle body 41 wobble drive moving member 2 moves, handle body 41 is closing openings always.
Specifically, handle body 41 drives moving member 2 to move between the first position and the second position, and namely handle body 41 is when himself rotation axis swings, can realize moving member 2 and move between the first position and the second position.
Wherein when moving member 2 is positioned at primary importance, as shown in Figure 1, the outlet 132 of separator 3 shutoff the 3rd gas channels 13, thus the first gas channels 11 is communicated with the second gas channels 12, now extruding gasbag, gas can enter in the second gas channels 12 from the import 121 of the second gas channels 12 after air bag is discharged, then enter in valve pocket 14 from the outlet 122 of the second gas channels 12, this portion gas enters in the first gas channels 11 from the import 111 of the first gas channels 11 again, finally enter in patient's gas circuit from the outlet 112 of the first gas channels 11 with to patient's air feed.
Wherein when moving member 2 is positioned at the second position, as shown in Figure 3, the outlet 122 of separator 3 shutoff second gas channels 12, thus the first gas channels 11 is communicated with the 3rd gas channels 13, now start bellows, gas can enter in the 3rd gas channels 13 from the import 131 of the 3rd gas channels 13 after bellows are discharged, then enter in valve pocket 14 from the outlet 132 of the 3rd gas channels 13, this portion gas enters in the first gas channels 11 from the import 111 of the first gas channels 11 again, finally enter in patient's gas circuit from the outlet 112 of the first gas channels 11 with to patient's air feed.
Wherein Fig. 2 be moving member 2 from primary importance to the second position or from the second position to the position of primary importance moving process.In above-mentioned adjustment process, handle body 41 is closing openings always, and that is, be do not have apertured between handle body 41 and opening, thus gas path switching device is more attractive in appearance.
According to the gas path switching device for anesthetic machine of the embodiment of the present invention, by swing handle 4, conducting and the disconnection of each vent line can be realized easily, rapid operation, and pass through the shape of reasonable design handle 4, thus the opening of handle 4 closed valve 1 always can be ensured when operating grip 4, such operator can not see the parts in valve body 1, improves the outward appearance of gas path switching device.
According to one embodiment of present invention, as shown in Figure 1-Figure 3, opening is formed in the top of valve body 1, and handle body 41 drives moving member 2 to move up and down.
According to one embodiment of present invention, moving member 2 is configured to the guide pillar of downward-extension, and the upper end of guide pillar is connected pivotly with handle body 41.Further, handle body 41 is connected by bearing pin with guide pillar, and the rotation axis parallel of the central axis of bearing pin and handle body 41 and being spaced, that is, the central axis of bearing pin departs from rotation axis.
As shown in Figure 1-Figure 3, the outside of moving member 2 is arranged with stator 21, and gas path switching device is also comprising spring 22, and spring 22 is set in the outside of moving member 2, and one end of spring 22 is fixed and the other end is connected with stator 21.By arranging spring 22, when moving member 2 moves, spring 22 is in compressive state, and such spring 22 can be applied to handle body 41 1 power, can prevent handle 4 from freely swinging under this force.
Wherein, described one end of spring 22 can be fixed on walls of the chamber, certainly, the wall of chamber also can be provided with bulge-structure, described one end of spring 22 also can be fixed in this projection, the other end of spring 22 is then fixed on stator 21, just can stretch or Compress Spring 22 when such moving member 2 moves.
Be understandable that, the elastic force that spring 22 can provide is unsuitable excessive, crossing conference causes under the effect of this spring 22 elastic force, handle body 41 rotates voluntarily, for the ordinary skill in the art, the spring 22 that coefficient of elasticity is suitable can be selected, simultaneously the stroke of reasonable set moving member 2, thus spring 22 can be supplied to the suitable elastic force of handle body 41 1, can effectively prevent handle body 41 from rotating voluntarily under the effect of this elastic force.
According to one embodiment of present invention, separator 3 is configured to diaphragm, and diaphragm is set in the outside of moving member 2.Such as, the outer peripheral face of separator 3 can be provided with the draw-in groove of annular, diaphragm can be fastened in this draw-in groove, thus realizes the fixing of diaphragm.Certainly, be understandable that, the present invention is not limited to this, and in other embodiments of the invention, diaphragm and moving member 2 also can be integrally formed, and namely diaphragm is a part for moving member 2.
As shown in Figure 1-Figure 3, the first gas channels 11, second gas channels 12 and the 3rd gas channels 13 be arranged in parallel and separate between the upper and lower, and the length of these three gas channels can be equal.First gas channels 11, second gas channels 12 and the 3rd gas channels 13 are positioned at the same side of valve body 1.Thus, the same side that these three gas channels are arranged in valve body 1 makes the structure of valve body 1 compacter, thus gas path switching device overall structure is more reasonable, small and exquisite.
Certainly, the present invention is not limited thereto, in other embodiments of the invention, the first gas channels 11, second gas channels 12 and the 3rd gas channels 13 also can be arranged on the not homonymy of valve body 1 according to actual needs.
As shown in Figure 1-Figure 3, the first gas channels 11 is between the second gas channels 12 and the 3rd gas channels 13, and the second gas channels 12 is positioned at topmost.
According to one embodiment of present invention, opening can be circle, the outer surface (upper surface in Fig. 2) of handle body 41 is configured to spherical surface, the rotation axis of handle body 41 is by the centre of sphere corresponding to spherical surface, thus when swing handle 4, the outer surface of handle body 41 all the time with the EDGE CONTACT of opening, namely there is not gap between the outer surface of handle body 41 and opening, improve the outward appearance of gas path switching device.
It should be noted that, above-mentioned spherical surface should make broad understanding, such as, can be the spherical surface of standard, or also can be cardinal principle spherical surface.
Certainly, the present invention is not limited to this, in another embodiment of the present invention, opening can be circle, and the outer surface (upper surface in Fig. 2) of handle body 41 is configured to arc-shaped surface, the central axes that the rotation axis of handle body 41 is corresponding with arc-shaped surface, thus when swing handle 4, the outer surface of handle body 41 all the time with the EDGE CONTACT of opening, namely there is not gap between the outer surface of handle body 41 and opening, improve the outward appearance of gas path switching device.
According to one embodiment of present invention, as shown in Figure 1-Figure 3, the position limiting structure 5 swung in predetermined angular range for limiting handle body 41 is provided with in valve body 1.Particularly, position limiting structure 5 can be positive stop, and positive stop can be fixed on the wall of valve pocket 14.When swing handle 4, positive stop can realize the backstop of handle body 41 spacing, prevents handle 4 from excessively rotating.Such as, as shown in Figure 1, left after swing handle 4 certain angle, positive stop backstop handle body 41, now the position of moving member 2 correspondence can be above-mentioned primary importance, as shown in Figure 3, to the right after swing handle 4 certain angle, positive stop backstop handle body 41, now the position of moving member 2 correspondence can be the above-mentioned second position.
The simple anesthetic machine described according to the embodiment of the present invention below.
Anesthetic machine according to an embodiment of the invention, comprises according to the gas path switching device for anesthetic machine in the above embodiment of the present invention.
Be understandable that, other structure of anesthetic machine has been prior art, and is well known for ordinary skill in the art, and therefore repeats no more here.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (10)
1. for a gas path switching device for anesthetic machine, it is characterized in that, comprising:
Valve body, the side of described valve body is opened wide to form opening, and described valve body is provided with the first gas channels, the second gas channels and the 3rd gas channels;
Moving member, described moving member is located in described valve body movably;
Separator, described separator is located on described moving member, described separator with described moving member synchronizing moving so that described first gas channels is communicated with one of described 3rd gas channels with described second gas channels; And
Handle, described handle comprises handle body and is located at the handlebar on described handle body, described handlebar is positioned at outside described valve body, described handle body part extend in described valve body and described handle body often closes described opening, and described handle body is connected with described moving member and described handle body is swingable to drive described moving member to move around the rotation axis of described handle body.
2. the gas path switching device for anesthetic machine according to claim 1, is characterized in that, described opening is formed in the top of described valve body, and described handle body drives described moving member to move up and down.
3. the gas path switching device for anesthetic machine according to claim 1, is characterized in that, described moving member is configured to the guide pillar of downward-extension, and the upper end of described guide pillar is connected pivotly with described handle body.
4. the gas path switching device for anesthetic machine according to claim 1, is characterized in that, the outside of described moving member is arranged with stator;
Described gas path switching device also comprises spring, and described spring housing is located at the outside of described moving member, and one end of described spring is fixed and the other end is connected with described stator.
5. the gas path switching device for anesthetic machine according to claim 1, is characterized in that, described separator is configured to diaphragm, and described diaphragm is set in the outside of described moving member.
6. the gas path switching device for anesthetic machine according to claim 1, it is characterized in that, described first gas channels, described second gas channels and described 3rd gas channels be arranged in parallel and separate between the upper and lower, and described first gas channels, described second gas channels and described 3rd gas channels are positioned at the same side of described valve body.
7. the gas path switching device for anesthetic machine according to claim 1, is characterized in that, described opening is circular, and the outer surface of described handle body is configured to spherical surface, and the rotation axis of described handle body is by the centre of sphere corresponding to described spherical surface.
8. the gas path switching device for anesthetic machine according to claim 3, is characterized in that, described handle body is connected by bearing pin with described guide pillar, and the rotation axis parallel of the central axis of described bearing pin and described handle body and being spaced.
9. the gas path switching device for anesthetic machine according to claim 1, is characterized in that, is provided with the position limiting structure swung in predetermined angular range for limiting described handle body in described valve body.
10. an anesthetic machine, is characterized in that, comprises the gas path switching device for anesthetic machine according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310215693.1A CN104208795A (en) | 2013-05-31 | 2013-05-31 | Gas course switching device for anaesthesia machine and anaesthesia machine with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310215693.1A CN104208795A (en) | 2013-05-31 | 2013-05-31 | Gas course switching device for anaesthesia machine and anaesthesia machine with same |
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| CN104208795A true CN104208795A (en) | 2014-12-17 |
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| CN201310215693.1A Pending CN104208795A (en) | 2013-05-31 | 2013-05-31 | Gas course switching device for anaesthesia machine and anaesthesia machine with same |
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| CN114209943A (en) * | 2021-11-23 | 2022-03-22 | 北京谊安医疗系统股份有限公司 | Switching device for driving gas of anesthesia machine |
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| CN114159662A (en) * | 2021-11-01 | 2022-03-11 | 北京谊安医疗系统股份有限公司 | Output switching device for fresh gas of anesthesia machine |
| CN114159662B (en) * | 2021-11-01 | 2024-02-02 | 北京谊安医疗系统股份有限公司 | Output switching device for fresh gas of anesthesia machine |
| CN114209943A (en) * | 2021-11-23 | 2022-03-22 | 北京谊安医疗系统股份有限公司 | Switching device for driving gas of anesthesia machine |
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Application publication date: 20141217 |