CN211835690U

CN211835690U - Anesthesia machine

Info

Publication number: CN211835690U
Application number: CN201921929603.4U
Authority: CN
Inventors: 郑晋伟; 陈骏萍
Original assignee: Hwa Mei Hospital University Of Chinese Academy Of Sciences Ningbo No 2 Hospital
Current assignee: Hwa Mei Hospital University Of Chinese Academy Of Sciences Ningbo No 2 Hospital
Priority date: 2019-11-09
Filing date: 2019-11-09
Publication date: 2020-11-03
Anticipated expiration: 2029-11-09

Abstract

The utility model discloses an anesthesia machine, which comprises a machine body, a supporting arm arranged on the machine body and a screen arranged on the supporting arm; the machine body comprises a shell, a drawer arranged on the shell, a tank groove arranged on the shell, a tank support in sliding fit with the tank groove and a volatilization tank arranged on the tank support; the volatilization pot comprises a pot body, a volatilization port arranged on the pot body and a valve structure used for opening and closing the volatilization port; the utility model discloses a valve structure's setting for the anaesthetic in the jar that volatilizees can not leak out from volatilizing the mouth, avoids medical personnel to inhale the normal clear that the anaesthetic influences the operation, guarantees the safety of operation, also protects medical personnel's healthy simultaneously, and the security is higher.

Description

Anesthesia machine

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to an anesthesia machine.

Background

The anesthesia machine sends the anesthetic into the alveolus of the patient through a mechanical loop to form the gas partial pressure of the anesthetic, and after the gas partial pressure is dispersed into blood, the gas partial pressure directly inhibits the central nervous system, thereby generating the effect of general anesthesia. An anesthesia machine belongs to a semi-open type anesthesia device. It is mainly composed of anesthesia volatilizing tank, flowmeter, folding bellows respirator, breathing circuit (containing inhalation and exhalation one-way valve and manual air bag), corrugated pipeline and other parts.

Wherein the filling has the anesthetic that easily volatilizees in the anesthesia volatilizees jar, like sevoflurane, and the mouth that volatilizees of jar ordinarily can't seal, volatilizees jar or volatilizees jar not use and when taking off, volatilizees the anesthetic that sends and leaks very easily to lead to medical personnel to inhale the anesthetic that leaks for a long time and seriously influence healthy, more even at the operation in-process, influence the operation of main knife doctor, there is serious potential safety hazard.

Disclosure of Invention

The utility model provides an anesthesia machine which is not easy to leak and overcomes the defects of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an anesthesia machine comprises a machine body, a supporting arm arranged on the machine body and a screen arranged on the supporting arm; the machine body comprises a shell, a drawer arranged on the shell, a tank groove arranged on the shell, a tank support in sliding fit with the tank groove and a volatilization tank arranged on the tank support; the volatilization pot comprises a pot body, a volatilization port arranged on the pot body and a valve structure used for opening and closing the volatilization port; through valve structure's setting for volatilize the jar when being taken off from the jar support, valve structure can seal the mouth that volatilizees, thereby makes the interior anaesthetic of jar that volatilize can not leak out from volatilizing the mouth, avoids medical personnel to inhale the normal clear that the anaesthetic influences the operation, guarantees the safety of operation, has also avoided medical personnel to inhale the anaesthetic and has influenced the healthy problem for a long time simultaneously, and the security is higher.

Furthermore, the valve structure comprises a first valve plate capable of moving back and forth, a second valve plate capable of moving back and forth and an opening and closing disc for driving the first valve plate and the second valve plate to move back and forth simultaneously, and the opening and closing disc is in rotating fit with the tank body; through the arrangement of the structure, the opening and closing of the volatilization port are realized, so that the purpose of preventing the anesthetic from leaking is achieved, and the structure is simple and the operation is convenient.

Further, the first valve plate comprises a first valve plate body, a first inserting strip arranged on the first valve plate body, a first inserting groove arranged on the first valve plate body and an inserting block arranged on the first valve plate body; through the setting of above-mentioned structure for can form the grafting cooperation between two adjacent first valve blocks, have better leakproofness each other, further avoid the leakage of anesthetic, the security is higher.

Furthermore, the second valve plate comprises a second inserting groove matched with the first inserting strip, a second inserting strip matched with the first inserting groove and an inserting seat matched with the inserting block; through the setting of above-mentioned structure for first valve block and second valve block can form the cooperation of pegging graft, thereby make the mouth of volatilizing can be by better airtight, prevent that the leakage effect is better, and the security is higher.

Further, the first valve plate and the second valve plate are both provided with guide rods, the opening and closing disc is provided with guide grooves matched with the guide rods, and the tank body is provided with limit grooves matched with the guide rods; through the setting of above-mentioned structure for when opening and close the dish and rotate, can promote the guide bar promptly, make the guide bar slide along spacing groove and guiding groove, thereby realized opening and close of valve block to the mouth that volatilizees, guaranteed can not mutual interference between the adjacent two valve blocks.

Furthermore, a driving structure for driving the opening and closing disc to rotate is arranged on the tank support; through the arrangement of the structure, the valve is opened and closed more conveniently and quickly, and the operation is simpler.

Furthermore, the driving structure comprises a driving piece in rotating fit with the tank support, a driving rod arranged on the shell and a transmission assembly in transmission connection with the driving rod and the driving piece; through the arrangement of the structure, when the volatile tank is installed and taken down and the tank support is moved, the driving piece can drive the opening and closing disc to rotate and drive the valve plate to move, so that the volatile tank is automatically opened or closed, the operation is more convenient, and the leakage possibility is greatly reduced.

Furthermore, the transmission assembly comprises a first transmission wheel in transmission connection with the driving piece, a second transmission wheel in transmission connection with the first transmission wheel, a third transmission wheel in transmission connection with the driving rod, and a transmission belt in transmission connection with the second transmission wheel and the third transmission wheel; through the setting of above-mentioned structure, with the removal of jar support and the removal of valve block interrelated to when making to change or take off the jar of volatilizing and pull out the jar support, the valve block can be automatic will volatilize the mouth and seal promptly, thereby avoids the jar of idle volatilizing to volatilize mouthful sealed not tight or forget the narcotic leakage problem that seals and cause, the security is higher.

Furthermore, the driving piece comprises a driving clamping groove, a driving strip connected with the driving clamping groove and driving teeth arranged on the driving strip; through the arrangement of the structure, the driving piece is convenient to be connected with the opening and closing disc, and the connection is more stable.

Furthermore, the tank support is provided with a rotary groove matched with the driving strip, and the opening and closing disc is provided with an embedded block matched with the driving clamping groove.

To sum up, the utility model discloses a valve structure's setting for the anaesthetic in the jar that volatilizees can not leak out from volatilizing the mouth, avoids medical personnel to inhale the normal clear that the anaesthetic influences the operation, guarantees the safety of operation, also protects medical personnel's healthy simultaneously, and the security is higher.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective sectional view of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is an enlarged schematic view at B of FIG. 2;

FIG. 5 is a schematic diagram of a three-dimensional structure of the first valve plate and the second valve plate of the present invention;

FIG. 6 is an enlarged schematic view at C of FIG. 5;

fig. 7 is a schematic view of the explosion structure of the volatilization pot, the pot holder and the driving structure (except the driving rod) of the present invention;

FIG. 8 is an enlarged schematic view at D of FIG. 7;

fig. 9 is a schematic perspective view of the driving member of the present invention.

Detailed Description

As shown in fig. 1-9, an anesthesia machine comprises a machine body 1, a supporting arm 2 and a screen 3, wherein the supporting arm 2 is arranged on the upper surface of the machine body 1 and can rotate back and forth relative to the machine body; the screen 3 is arranged on the supporting arm 2 and can display and adjust data such as the concentration of the anesthetic, the air inflow and the like; the support arm 2 and the screen 3 are both in the prior art, and therefore, are not described herein again; the machine body 1 comprises a shell 11, a drawer 12, a tank groove 13, a tank support 14 and a volatilization tank 4; the shell 11 is made of plastic materials, has enough strength and simultaneously has lower dead weight; the universal wheel is arranged at the bottom of the shell, so that the machine body 1 can move conveniently, the universal wheel is in the prior art and is not the key point of the application, and therefore, the universal wheel is not repeated and is not drawn in the attached drawings of the specification; the drawer 12 is arranged on the shell 11, and the drawer and the shell are in sliding fit through a pulley slide rail, so that the drawer is convenient to open and close, stores various medical materials and is convenient to take; the tank groove 13 is arranged on the shell 11, the tank support 14 is arranged in the tank groove, the tank support and the inner wall of the tank groove form sliding fit through a sliding block and a sliding rail, so that the tank support can move back and forth in the tank groove, the volatilization tank 4 is arranged on the tank support 14, and when the anesthetic in the volatilization tank is used, the tank support drives the volatilization tank to move into the tank groove, so that the volatilization tank is not easy to drop in use, and the safety is higher; when the volatilization pot needs to be replaced or taken down, the pot support is pulled out of the pot groove, and the operation is convenient.

Specifically, the volatilization pot 4 comprises a pot body 41, a volatilization port 42 and a valve structure, wherein the pot body 41 is provided with an observation window, and the observation window is provided with scales, so that the allowance of anesthetic in the pot body can be observed conveniently, and the change can be carried out in time; a hydraulic pressure sensor is installed in the tank body, can be directly purchased from the market, and is the prior art, and the specific model is not limited, so that the details are not repeated; the hydraulic pressure sensor is connected with the screen 3, and the hydraulic value in the tank body when the anesthetic is filled, the warning hydraulic value when the anesthetic is less and the hydraulic value when the anesthetic is used up are respectively set, so that when the anesthetic reaches the warning value and is used up, the equipment can give different degrees of reminding to prompt medical personnel to change the anesthetic, and meanwhile, the specific dosage of the anesthetic can be accurately calculated through the change of the hydraulic value, so that the dosage is displayed on the screen, and the medical personnel can conveniently check the dosage; the volatilization port 42 is provided on the tank 41 to facilitate introduction of volatilized anesthetic into a breathing circuit in the body 1, which is prior art and therefore not redundant.

Further, the valve structure comprises a first valve plate 43, a second valve plate 44 and an opening and closing disc 45; open and close dish 45 and install on jar body 41, be located the performance mouth 42 outside, open and close and seted up through-hole 450 on the dish, this through-hole is the same with the mouth diameter that volatilizees and the centre of a circle is located the same axle, opens and close dish and jar body normal running fit, for spout and slide rail cooperation in this embodiment to make open and close the dish and can make a round trip to rotate for jar body, open and close and leave the space between dish and the jar external wall, first valve block and second valve block are installed promptly and are opened and close between dish and the jar body.

Specifically, the first valve plate 43 includes a first valve plate body 431, a first inserting strip 432, a first inserting groove 433 and an inserting block 434, at least a part of the surface of the side edge of the first valve plate body 431 extends outwards to form the first inserting strip 432, at least part of the surface of the other side edge corresponding to the side edge formed with the first inserting strip is recessed inwards to form a first inserting groove 433, the valve structure comprises a plurality of first valve plates, in this embodiment, 4 first valve plates are provided, the first inserting strip on each first valve plate can be embedded into the first inserting groove on another adjacent first valve plate, so that two adjacent first valve plates can be mutually matched, the closing is more compact, preferably, sealing gaskets are arranged on the first inserting groove and the first inserting strip, so that a better sealing effect is achieved, volatilized anesthetic is further prevented from leaking, and the safety is higher; at least part of the surface of the first valve plate body 431 near the center of the play opening 42 extends outwards to form an insertion block 434.

Further, the second valve plate 44 includes a second valve plate body 441, a second inserting groove 442, a second inserting strip 443, and an inserting seat 444, where the second inserting groove 442 is formed by at least a portion of a surface of a side of the second valve plate body 441 being recessed inward, the second inserting strip 443 is formed by at least a portion of a surface of another side of the second valve plate body 441 being extended outward, and the inserting seat 444 is formed by at least a portion of a surface of one end of the second valve plate body close to the center of the opening being extended outward; when the valve structure closes the volatilization port, the first insertion strip 432 on the first valve plate 43 adjacent to the second valve plate can be just inserted into the second insertion groove 442, the second insertion strip 443 can be just inserted into the first insertion groove 433 on the adjacent first valve plate 43 on the other side, and the insertion block 434 on each first valve plate can be just inserted into the insertion seat 444, so that the volatilization port is closed under the mutual matching of the plurality of first valve plates and the plurality of second valve plates, the volatilized anesthetic is prevented from leaking out, the smooth operation can be ensured, and the health of medical care personnel can also be ensured; preferably, a sealing strip is also installed on the second insertion groove 442 and the second insertion strip 443 to further improve the sealing effect.

Further, the first valve plate 43 and the second valve plate 44 are both provided with a guide rod 46, the opening and closing disc 45 is provided with a guide groove 451, the tank body 41 is provided with a limit groove 411, the second valve plate and the guide rod on each first valve plate penetrate into the corresponding guide groove and limit groove, the length direction of the guide groove and the length direction of the limit groove are positioned on two intersecting lines, the length directions of the guide groove and the limit groove are always provided with intersecting positions along with the rotation of the opening and closing disc, and the guide rods respectively penetrate into the guide groove and the limit groove from the intersecting positions of the guide groove and the limit groove; therefore, when the opening and closing disc rotates, the intersection of the guide groove and the limiting groove in the length direction is changed all the time, so that the guide rod can be driven to move, the first valve plate and the second valve plate are driven to move, the opening and closing of the volatilization port are realized, the first valve plate and the second valve plate cannot be dislocated and interfered in the moving process through the arrangement of the angles of the guide groove and the limiting groove, the angles of the guide groove and the limiting groove are various, so that limitation is not required, and the first valve plate and the second valve plate can be separated and closed smoothly as long as the first valve plate and the second valve plate can be ensured; preferably, after the positions and angles of the guide groove and the limiting groove are determined, the limiting rail is mounted on the opening and closing disc, so that the first valve plate and the second valve plate can only move along the limiting rail, the valve plates can be separated and closed smoothly, and mutual interference cannot occur.

Specifically, a driving structure for driving the opening and closing disc 45 to rotate is further installed, the driving structure comprises a driving piece 51, a driving rod 52 and a transmission assembly, the driving piece 51 is installed on the tank support 14 and is in rotating fit with the tank support, the driving piece 51 comprises a driving clamping groove 511, a driving strip 512 and a driving tooth 513, the driving strip 512 is formed in an arc-shaped structure and specifically is a part of a circular ring, a rotating groove 141 and a through groove are formed in the tank support 14, the through groove corresponds to the volatilization port 42, the rotating groove is formed in the outer side of the volatilization port, and the driving strip is just right in the rotating groove and can move along the rotating groove; the driving clamping groove 511 is arranged on the driving strip 512, is of a hollow trapezoidal structure, and is open on one side surface and the upper surface facing the tank body; the opening and closing disc 45 is provided with an embedded block 452, the embedded block is formed by extending at least part of the surface of the opening and closing disc outwards and can be just embedded into the driving clamping groove, when the volatilization ports are closed by the first valve plate and the second valve plate, the embedded block is just positioned below the opening and closing disc, and the opening of the driving clamping groove is just upward, so that the driving piece and the opening and closing disc cannot rotate automatically under the action of gravity, the volatilization ports cannot be opened accidentally, the matching is more stable, the safety is higher, the embedded block is easier to be embedded into the driving clamping groove, the matching between the driving piece and the opening and closing disc is easier to form, and the operation is more convenient; drive teeth 513 are formed by at least a portion of the outer surface of the drive bar extending outwardly from the side of the canister holder 14 remote from the opening and closing plate 54; mounted within tank 13 is a drive rod 52 having threads, preferably large pitch threads.

Further, the transmission assembly comprises a first transmission wheel 53, a second transmission wheel 54, a third transmission wheel 55 and a transmission belt 56, wherein the first transmission wheel 53 is a gear and is connected to a gear shaft in a key mode, the gear shaft is connected to the tank support 14 in a bearing mode, and the first transmission wheel is meshed with the driving teeth 513; the second driving wheel 54 is connected with the same gear shaft of the first driving wheel key, and the second driving wheel is a belt pulley; the third transmission wheel 55 is also a belt pulley and is connected with a wheel shaft 57 in a key way, the wheel shaft is connected with a connecting block in a bearing way, and the connecting block is fixedly connected on the tank support; the axle 57 is provided with an axle hole, a thread is arranged in the axle hole, and the driving rod 52 passes through the axle hole, so that the axle and the driving rod form thread fit; the transmission belt 56 is a belt and is sleeved on the second transmission wheel and the third transmission wheel, so that transmission connection between the second transmission wheel and the third transmission wheel is realized.

When an operator drags the tank support 14 to move back and forth in the tank groove 13, because the wheel shaft is in threaded connection with the driving rod, when the wheel shaft moves along with the tank support, the wheel shaft can rotate under the action of the driving rod, the rotation of the wheel shaft can drive the third driving wheel arranged on the wheel shaft to rotate, the rotation of the third driving wheel can be conducted to the second driving wheel through the driving belt, so that the second driving wheel is driven to rotate, the rotation of the second driving wheel can drive the first driving wheel to rotate, the rotation of the first driving wheel can drive the driving piece 51 to rotate, the rotation of the driving piece can drive the opening and closing disc 45 to rotate, the rotation of the opening and closing disc can drive the first valve plate and the second valve plate to move, and the opening and closing of the volatile port are realized.

Further, still install connector 15 in jar groove 13, this connector is hollow round platform body structure and sets up, and the diameter of one side of keeping away from shell 11 is less, thereby make when jar 4 that volatilizees along with jar support 14 toward keeping away from one side in jar groove remove and make the valve block gradually will volatilize the mouth and seal or toward jar inslot removal and make the mouth of volatilizing open gradually, the space between valve block and the connector outer wall is less, volatile anesthetic is difficult to leak, more safe and reliable.

Preferably, be equipped with location convex part 16 on jar support 14, this location convex part is the platform body structure setting of slope, and the upper end orientation of location convex part is equipped with constant head tank 47 in the jar 4 that volatilizees towards the one side of keeping away from organism 1, and the location convex part just in time imbeds in the constant head tank to make the jar of volatilizing be difficult for dropping from jar support, also be convenient for simultaneously open and close the connection between dish 45 and the driving piece 51.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Claims

1. An anesthesia machine comprises a machine body (1), a supporting arm (2) arranged on the machine body (1) and a screen (3) arranged on the supporting arm (2); the machine body (1) comprises a shell (11), a drawer (12) arranged on the shell (11), a tank groove (13) arranged on the shell (11), a tank support (14) in sliding fit with the tank groove (13) and a volatilization tank (4) arranged on the tank support (14); the method is characterized in that: the volatilization tank (4) comprises a tank body (41), a volatilization port (42) arranged on the tank body (41) and a valve structure for opening and closing the volatilization port (42).

2. The anesthesia machine of claim 1, wherein: the valve structure comprises a first valve plate (43) capable of moving back and forth, a second valve plate (44) capable of moving back and forth and an opening and closing disc (45) used for driving the first valve plate (43) and the second valve plate (44) to move back and forth simultaneously, wherein the opening and closing disc (45) is in rotating fit with the tank body (41).

3. The anesthesia machine of claim 2, wherein: first valve block (43) include first valve block body (431), locate first grafting strip (432) on first valve block body (431), locate first inserting groove (433) on first valve block body (431) and locate inserting piece (434) on first valve block body (431).

4. The anesthesia machine of claim 3, wherein: the second valve plate (44) comprises a second inserting groove (442) matched with the first inserting strip (432), a second inserting strip (443) matched with the first inserting groove (433), and an inserting seat (444) matched with the inserting block (434).

5. The anesthesia machine of claim 4, wherein: first valve block (43) with all be equipped with guide bar (46) on second valve block (44), open and close be equipped with on dish (45) with guide bar (46) matched with guiding groove (451), be equipped with on the jar body (41) with guide bar (46) matched with spacing groove (411).

6. The anesthesia machine of any of claims 2-5, wherein: the tank support (14) is provided with a driving structure for driving the opening and closing disc (45) to rotate.

7. The anesthesia machine of claim 6, wherein: the driving structure comprises a driving piece (51) in running fit with the tank support (14), a driving rod (52) arranged on the shell (11) and a transmission assembly in transmission connection with the driving rod (52) and the driving piece (51).

8. The anesthesia machine of claim 7, wherein: the transmission assembly comprises a first transmission wheel (53) in transmission connection with the driving piece (51), a second transmission wheel (54) in transmission connection with the first transmission wheel (53), a third transmission wheel (55) in transmission connection with the driving rod (52), and a transmission belt (56) in transmission connection with the second transmission wheel (54) and the third transmission wheel (55).

9. The anesthesia machine of claim 8, wherein: the driving piece (51) comprises a driving clamping groove (511), a driving strip (512) connected with the driving clamping groove (511) and a driving tooth (513) arranged on the driving strip (512).

10. The anesthesia machine of claim 9, wherein: the tank support (14) is provided with a rotary groove (141) matched with the driving strip (512), and the opening and closing disc (45) is provided with an embedded block (452) matched with the driving clamping groove (511).