CN215461102U - Anesthesia machine - Google Patents

Abstract

The application provides an anesthesia machine, anesthesia machine includes the base, the switch ejector pin, switch axle and handle, the base is equipped with protruding sloping block in the base upper surface, the base top is transversely located to the switch ejector pin, the vertical base that runs through of switch axle, the handle includes the main part with the pivot joint of switch axle, touch ejector pin and toggle part, the relative base of handle has the first state that touches the ejector pin and keep away from the switch ejector pin and touches the second state that the ejector pin touched the switch ejector pin, at the in-process that the handle was switched into the second state by the first state, touch ejector pin and sloping block contact. According to the utility model, the slope block is arranged on the upper surface of the base, so that greater resistance can be generated due to obstruction in the process of switching the ventilation mode through the handle, the inconvenience brought to a user by switching the control switch due to mistaken touch is avoided, the potential safety hazard brought to a patient using the device due to mistaken switching operation in an operation can also be avoided, and the device is compact in structure, convenient to install, stable and reliable.

Description

Anesthesia machine

Technical Field

The utility model belongs to the field of ventilation equipment, and particularly relates to an anesthesia machine.

Background

The anesthesia machine is one of the instruments commonly used in clinical application, and the anesthesia machine sends anesthetic into alveolus of a patient through a mechanical loop to form anesthetic gas partial pressure which is diffused to blood to have an inhibiting effect on the central nervous system, so that a general anesthesia effect is generated.

At present, a manual/mechanical ventilation switch is generally arranged on a traditional anesthesia machine, and a doctor controls the switch as required so as to switch the anesthesia machine between a manual state and a machine control state. However, in the existing anesthesia machine, the control handle moves horizontally or turns horizontally on a plane to drive the control switch to be in contact with and disconnected from the travel switch, so that the ventilation state is switched, but in the mode, because the handle moves or turns horizontally, the resistance encountered in the switching state process is small, the control switch is easy to be switched due to mistaken touch, inconvenience is brought to a user, and especially, potential safety hazards are brought to a patient who uses the anesthesia machine due to mistaken switching operation in an operation.

SUMMERY OF THE UTILITY MODEL

The application provides an anesthesia machine can solve among the prior art problem that the mistake touched takes place easily for the state of ventilating on the anesthesia machine.

In order to solve the above technical problem, a technical scheme that this application adopted is, provides an anesthesia machine, anesthesia machine includes:

the base is provided with a slope block protruding from the upper surface of the base;

the switch ejector rod is arranged above the base;

the handle comprises a main body part, a touch ejector rod and a toggle part, wherein the main body part is pivoted with the base, the touch ejector rod protrudes out of the main body part and is arranged in alignment with the switch ejector rod, the toggle part extends from the main body part, the handle has a first state that the touch ejector rod is far away from the switch ejector rod and a second state that the touch ejector rod touches the switch ejector rod relative to the base, and the touch ejector rod is in contact with the slope block in the process that the handle is switched from the first state to the second state.

According to a specific embodiment of the present application, the anesthesia machine further comprises: the switch shaft is provided with a support frame on the upper surface of the base, penetrates through the support frame and is pivoted with the main body part.

According to a specific embodiment of the application, the anesthesia machine further comprises a rotating shaft arranged at the top of the switch shaft, the main body part is provided with a mounting hole corresponding to the rotating shaft, and the horizontal position of the mounting hole is higher than that of the touch ejector rod when the handle is in the first state and the second state.

According to a specific embodiment of the present application, the support frame is provided with a U-shaped arm for supporting the rotating shaft.

According to a specific embodiment of this application, the base still include sunken in the base upper surface just is located the first holding tank of the first end of support frame, the handle still be equipped with the first location picture peg that first holding tank corresponds, work as the handle is in during the second state, first location picture peg corresponds and inserts in the first holding tank.

According to a specific embodiment of this application, the base still include sunken in the base upper surface just is located the second holding tank of support frame second end, the handle still be equipped with the second location picture peg that the second holding tank corresponds, work as the handle is in during the first state, second location picture peg corresponds inserts in the second holding tank.

According to a specific embodiment of the application, the touch ejector rod is provided with a bearing, and the touch ejector rod is respectively in rolling contact with the slope block and the switch ejector rod through the bearing.

According to a specific embodiment of the application, the anesthesia machine further comprises a shaft sleeve connected with the lower end of the switch shaft and a spring abutted between the shaft sleeve and the lower surface of the base.

According to a specific embodiment of the application, the anesthesia machine further comprises a shell covering the base, and the shell is provided with a moving groove for accommodating the switch ejector rod and a sleeve part for exposing the toggle part.

According to a specific embodiment of the application, still be equipped with reset spring on the casing, reset spring cover is located on the switch ejector pin and butt in the casing with between the switch ejector pin

The beneficial effect of this application is: be different from prior art's condition, the anesthesia machine that this application provided sets up the slope piece through the upper surface at the base, can be so that meet the hindrance and produce bigger resistance at the in-process that switches through the handle mode of ventilating, avoid the inconvenience that brings for the user because of the mistake touches the switching that leads to control switch, also can avoid the potential safety hazard that the patient that the mistake switching operation that goes on brought for using in the operation, and compact structure, the installation of being convenient for, reliable and stable.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the application, the drawings that are needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a schematic view of an assembly structure of a housing, a base, a switch mandril and a handle of an anesthesia machine provided by the embodiment of the application;

FIG. 2 is an exploded view of the base, the switch shaft and the handle of the anesthesia machine according to the embodiment of the present application;

FIG. 3 is a schematic view of another exploded structure of the base, the switch shaft and the handle of the anesthesia machine provided by the embodiment of the present application;

FIG. 4 is a schematic view of a first connection state of the base, the switch shaft and the handle of the anesthesia machine provided by the embodiment of the present application;

fig. 5 is a schematic view of a second connection state when the base and the switch shaft of the anesthesia machine provided by the embodiment of the present application are assembled with the handle.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any inventive step based on the embodiments in the present application, are within the scope of protection of the present application.

It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are referred to in the embodiments of the present application, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

Referring to fig. 1 to 3 together, an anesthesia apparatus according to an embodiment of the present invention includes a housing 10, a base 20 disposed on the housing 10, a switch plunger 220, a switch shaft 30, and a handle 40.

The casing 10 is fixedly connected with the base 20, the casing 10 covers the base 20, the casing 10 is further provided with a moving groove 11 and a support 12, the moving groove 11 is used for accommodating the switch push rod 220 to enable the switch push rod 220 to move back and forth relative to the casing 10, the support 12 is used for supporting the switch push rod 220, and the switch push rod 220 is assembled on the casing 10 through the support 12.

The base 20 is fixedly installed in the housing 10, the switch push rod 220 is disposed above the base 20, and the switch push rod 220 can move back and forth relative to the base 20 under the action of external force.

One end of the switch shaft 30 is connected to the handle 40 disposed above the base 20, and the other end of the switch shaft 30 is connected to the boss 320 disposed below the base 20.

The handle 40 is arranged above the base 20, and the handle 40 is connected with the base 20 through the switch shaft 30; the handle 40 comprises a main body part 410 pivoted with the switch shaft 30, a touch push rod 420 and a toggle part 430; the touch top bar 420 protrudes from the body 410 and is aligned with the switch top bar 220; the toggle part 430 extends from the main body part 410.

Further, the anesthesia machine further comprises a switch shaft 30, the switch shaft 30 penetrates through the base 20 and is pivoted with the main body part 410, and the trigger push rod 420 on the handle 40 protrudes out of the side edge of the main body part 410 and is located in the corner area of the main body part 410.

Wherein, the base 20 is further provided with a slope block 210 protruding from the upper surface of the base 20; the slope block 210 is provided at one side of the handle 40.

The handle 40 has a first state that the trigger push rod 420 is far away from the switch push rod 220 and a second state that the trigger push rod 420 triggers the switch push rod 220 relative to the base 20, and when the handle 40 is switched from the first state to the second state, the trigger push rod 420 is contacted with the slope block 210.

In the present application, by providing the slope block 210 on the base 20, in the process of performing switch switching by rotating the control handle 40, the resistance generated by the abutment between the trigger rod 420 and the slope block 210 needs to be overcome, so that switch switching caused by mistakenly touching the handle 40 when the ventilation mode switching is not required can be avoided.

Specifically, in the present embodiment, the slope block 210 has two slopes, and the slope of each slope is constant. Specifically, the slopes of the two slopes may be the same, for example, the slopes of the slopes on both sides are 30 degrees, 45 degrees or 60 degrees; the slopes of the two slopes may be different, and preferably, the slope of the slope on the side away from the switch plunger 220 is greater than the slope of the slope on the side close to the switch plunger 220.

In another embodiment of the present application, the slope of the two slopes of the slope block 210 may also be varied. Specifically, the two slopes may be slopes with gradually increasing slopes from a position close to the base 20 to the top end of the slope block 210; or may be a slope gradually decreasing from a position near the base 20 toward the top end of the block 210.

In the present embodiment, the handle 40 has a first state relative to the base 20 for triggering the push rod 420 to move away from the switch push rod 220, and the anesthesia apparatus is in a mechanical ventilation state; when the anesthesia machine needs to be controlled to change from mechanical ventilation to manual ventilation, the trigger push rod 420 is contacted with the switch push rod 220 by moving the toggle handle 40 relative to the base 20, so that the ventilation state of the anesthesia machine can be changed from mechanical ventilation to manual ventilation.

In an embodiment of the present application, a supporting frame 230 is further disposed on the upper surface of the base 20, the supporting frame 230 and the base 20 may be integrally formed plastic or metal pieces, or the supporting frame 230 is fixedly connected to the base 20 through bolts, screws, and the like.

Further, the supporting frame 230 includes two supporting arms (not numbered), the switch shaft 30 vertically penetrates through the supporting frame 230, and the switch shaft 30 is received between the two supporting arms.

Further, the anesthesia machine further comprises a rotating shaft 310 arranged at the top of the switch shaft 30, and a through hole (not numbered) is arranged at the top of the switch shaft 30; the main body 410 is provided with a mounting hole 411 corresponding to the rotation shaft 310, and the rotation shaft 310 is connected to the switch shaft 30 and the main body 410 through the through hole and the mounting hole 411, respectively.

Further, the anesthesia machine further comprises a shaft sleeve 320 connected with the lower end of the switch shaft 30 and a spring 330 abutted between the shaft sleeve 320 and the lower surface of the base 20, wherein the spring 330 is used for supporting the base 20 and the shaft sleeve 320.

As shown in fig. 4-5, when the handle 40 is driven by an external force to rotate, the handle 40 rotates around the rotating shaft 310, the bottom of the main body 410 of the handle 40 abuts against the base 20, and the distance between the mounting hole 411 and the base 20 is gradually increased under the supporting action of the base 20, so as to drive the rotating shaft 310 to move upward relative to the base 20; because the rotating shaft 310 is inserted into the switch shaft 30, the rotating shaft 310 can drive the switch shaft 30 to move upward relative to the base 20, and the switch shaft 30 further drives the shaft sleeve 320 connected with the switch shaft 30 to move upward, so as to press the spring 330 sleeved on the switch shaft 30 and arranged between the shaft sleeve 320 and the base 20; the handle 40 is continuously rotated, the bottom of the handle 40 abuts against the slope block 210, and then the bottom of the main body part 410 of the handle 40 passes through the surface of the slope block 210 and stays on the surface of the shell 10 under the action of external force, so that when the bottom of the main body part 410 stays on the surface of the shell 10, the trigger push rod 420 on the handle 40 can be in contact with the switch push rod 220 and push the switch push rod 220 out of the movement groove 11, and therefore the switch push rod 220 can be in contact with a travel switch (not shown) to change the ventilation state of the anesthesia machine.

In another embodiment of the present application, the anesthesia machine further comprises a sealing ring 321, wherein the sealing ring 321 is disposed between the surface, the side surface and the bottom surface of the base 20, and is used for sealing the base 20 and preventing the internal structure from contacting with air and moisture;

further, as shown in fig. 2, a sealing ring 322 is further disposed on the sealing ring 321, and a screw (not shown) connected to the bottom of the base 20 is further disposed on the upper surface of the base 20, and the screw passes through the sealing ring 322 and is fixedly connected to the bottom surface of the base 20.

In an embodiment of the present application, the base 20 further includes a first receiving slot 50 recessed in an upper surface of the base 20 and located at the first end of the supporting frame 230, the handle 40 is further provided with a first positioning insertion plate 440 corresponding to the first receiving slot 50, the first positioning insertion plate 440 protrudes from the handle 40, and when the handle 40 is in the second state, the first positioning insertion plate 440 is correspondingly inserted into the first receiving slot 50.

In an embodiment of the present application, the base 20 further includes a second receiving slot 60 recessed in the upper surface of the base 20 and located at the second end of the supporting frame 230, the handle 40 is further provided with a second positioning insertion plate 450 corresponding to the second receiving slot 60, the second positioning insertion plate 450 is protruded from the handle 40, and when the handle 40 is in the first state, the second positioning insertion plate 450 is correspondingly inserted into the second receiving slot 60.

In an embodiment of the present application, the mounting hole 411 is disposed on the main body 410, and a horizontal position of the mounting hole 411 is higher than a horizontal position of the trigger lever 420 when the handle 40 is in the first state and the second state.

In an embodiment of the present invention, the upper arm of the supporting frame 230 is a U-shaped arm 231, the U-shaped arm 231 is used for supporting the rotating shaft 310, and the number of the U-shaped arms 231 is two, when the rotating shaft 310 is assembled in the handle 40, the shaft body portion of the switch shaft 30 is disposed between the two U-shaped arms 231, and two ends of the rotating shaft 310 are respectively erected at the bottom of the U-shaped groove to support the rotating shaft 310.

Alternatively, the first receiving groove 50 is disposed at a side far from the switch plunger 220, and the second receiving groove 60 is disposed at a side near to the switch plunger 220. When the handle 40 rotates around the switch shaft 30 under the driving of an external force and the first positioning inserting plate 440 moves to be completely accommodated in the first accommodating groove 50, the switch push rod 220 and the touch push rod 420 are in a completely separated state; when the handle 40 is driven by an external force to rotate around the switch shaft 30, and the second positioning insertion plate 450 moves to be completely accommodated in the second accommodating groove 60, the switch push rod 220 and the touch push rod 420 are in an abutting state.

In one embodiment of the present application, the trigger plunger 420 is provided with a bearing 425, and the trigger plunger 420 is in rolling contact with the slope block 210 and the switch plunger 220 through the bearing 425. When the bearing 425 is in contact with the base 20 and the slope 210, the friction between the trigger rod 420 and the surface of the housing 10 and the slope 210 can be reduced by the rolling of the bearing 425, so that the switching process of the ventilation mode is smoother.

Alternatively, the bearing 425 is installed at one side of the trip rod 420, which is disposed at a side adjacent to the body portion 410 and corresponding to the block 210.

Preferably, the ramp block 210 and the bearing 425 are two and are oppositely disposed on both sides of the handle 40.

In another embodiment of the present application, the casing 10 of the anesthesia apparatus further comprises a sleeve portion 13 exposing the dial portion 430, the base 20 is disposed below the sleeve portion 13 and fixedly connected to the sleeve portion 13, a portion of the main body portion 410 extends into the sleeve portion 13, and another portion of the main body portion 410 and the handle 40 extend out of the sleeve portion 13.

In another embodiment of the present application, the housing 10 is further provided with a return spring 14, the return spring 14 is sleeved on the switch ejector rod 220 and abuts between the bracket 12 of the housing 10 and the switch ejector rod 220, the bracket 12 is provided with a limit hole 121, the switch ejector rod 220 passes through the limit hole 121, when the switch ejector rod 220 is switched from the first state to the second state under the driving of the handle 40, the switch ejector rod 220 moves along the moving groove 11 to contact with the travel switch, and at this time, the return spring 14 is in a compressed state; when the switch push rod 220 is switched from the second state to the first state under the driving of the handle 40, the switch push rod 220 is separated from the travel switch, and at this time, the return spring 14 can provide restoring force to drive the switch push rod 220 to move towards the side far away from the travel switch due to the elastic deformation, so as to drive the handle 40 to move to the position when the handle is in the first state.

The utility model provides an anesthesia machine sets up slope piece 210 through the upper surface at the base, can be so that run into the hindrance and produce bigger resistance in the in-process that switches through handle 40 mode of ventilating, avoid the inconvenience that brings for the user because of the mistake touches the switching that leads to control switch, also can avoid the potential safety hazard that the patient that the mistake switching operation that goes on in the operation brought for using, and compact structure, the installation of being convenient for, reliable and stable.

The above embodiments are merely examples and are not intended to limit the scope of the present disclosure, and all modifications, equivalents, and flow charts using the contents of the specification and drawings of the present disclosure or those directly or indirectly applied to other related technical fields are intended to be included in the scope of the present disclosure.

Claims (10)

1. An anesthesia machine, characterized in that it comprises:

the base is provided with a slope block protruding from the upper surface of the base;

the switch ejector rod is arranged above the base;

the handle comprises a main body part, a touch ejector rod and a toggle part, wherein the main body part is pivoted with the base, the touch ejector rod protrudes out of the main body part and is arranged in alignment with the switch ejector rod, the toggle part extends from the main body part, the handle has a first state that the touch ejector rod is far away from the switch ejector rod and a second state that the touch ejector rod touches the switch ejector rod relative to the base, and the touch ejector rod is in contact with the slope block in the process that the handle is switched from the first state to the second state.

2. The anesthesia machine of claim 1, further comprising: the switch shaft is provided with a support frame on the upper surface of the base, penetrates through the support frame and is pivoted with the main body part.

3. The anesthesia machine of claim 2, further comprising a rotating shaft disposed on the top of the switch shaft, wherein the main body has a mounting hole corresponding to the rotating shaft, and the horizontal position of the mounting hole is higher than the horizontal position of the trigger rod when the handle is in the first state and the second state.

4. The anesthesia machine of claim 3, wherein the support frame is provided with a U-shaped arm for supporting the rotating shaft.

5. The anesthesia machine of claim 2, wherein the base further comprises a first receiving slot recessed in the upper surface of the base and located at the first end of the support frame, the handle further comprises a first positioning insertion plate corresponding to the first receiving slot, and when the handle is in the second state, the first positioning insertion plate is inserted into the first receiving slot.

6. The anesthesia machine of claim 2 or 5, wherein the base further comprises a second receiving slot recessed in the upper surface of the base and located at the second end of the support frame, and the handle is further provided with a second positioning insertion plate corresponding to the second receiving slot, and when the handle is in the first state, the second positioning insertion plate is correspondingly inserted into the second receiving slot.

7. The anesthesia machine of claim 1, wherein the trigger ram is provided with a bearing, and the trigger ram is in rolling contact with the ramp block and the switch ram through the bearing respectively.

8. The anesthesia machine of claim 1, further comprising a bushing connected to the lower end of the switch shaft and a spring abutting between the bushing and the lower surface of the base.

9. The anesthesia machine of claim 1, further comprising a housing covering the base, wherein the housing is provided with a moving slot for accommodating the switch plunger and a sleeve portion for exposing the toggle portion.

10. The anesthesia machine of claim 9, wherein the housing further comprises a return spring, and the return spring is sleeved on the switch rod and abuts between the housing and the switch rod.

Images