Multi-point synchronous anesthesia device for anesthesiology department

Abstract

The multi-point synchronous anesthesia device comprises a rack, a driving part, a plurality of levers and a plurality of pushing and injecting mechanisms are arranged on the rack, the levers are arranged at intervals, the driving part is arranged at one end of each lever corresponding to the levers, and the pushing and injecting mechanisms are arranged at the other ends of the levers corresponding to the other ends of the levers. The injection mechanism comprises a first plunger type cylinder part and a second plunger type cylinder part, a rodless cavity of the first plunger type cylinder part is communicated with a rodless cavity of the second plunger type cylinder part through a flexible pipe, the first plunger type cylinder part is arranged on the rack in a sliding mode, and the second plunger type cylinder part can be connected with an injector; and when the second plunger type cylinder part extends, a piston rod of a correspondingly connected injector can be pushed to move into a barrel body of the injector. Each injector can start and end anesthetic injection at the same time, and the anesthetic injection is not affected by the dosage of anesthetic needing to be injected into each injector.

Description

Technical Field

[0001] The invention relates to the technical field of anesthesia, and in particular to a multi-point synchronous anesthesia device for anesthesia department. Background Art

[0002] During various surgical or medical operations, anesthesia is generally required to increase the success rate of the operation and reduce the patient's pain during the operation.

[0003] For example, a multi-point synchronous anesthesia device disclosed in the authorization announcement number CN219481131U can use multiple syringes to inject patients at the same time, and the number of syringes can be adjusted, but the piston rods of each syringe are connected together, and the stroke of each piston rod is exactly the same. It is only suitable for the situation where the anesthetic dosage in each syringe is the same, and cannot meet the situation where the anesthetic injection dosage in different areas is different. Summary of the invention

[0004] In view of this, an object of the present invention is to provide a multi-point synchronous anesthesia device for the anesthesia department, so as to at least solve the problem that the multi-point synchronous anesthesia device in the prior art cannot meet the problem that the anesthetic dosages in multiple needle tubes are different and cannot be injected synchronously.

[0005] The present invention is achieved through the following technical solutions:

[0006] A multi-point synchronous anesthesia device for anesthesiology, comprising a frame, on which a driving component, a plurality of levers and a plurality of injection mechanisms are provided, the levers being arranged at intervals, the driving component being arranged at one end of each of the levers corresponding to the levers, and the injection mechanism being arranged at the other end of each of the levers corresponding to the levers, the injection mechanism comprising a first plunger cylinder component and a second plunger cylinder component, the rodless chamber of the first plunger cylinder component being connected to the rodless chamber of the second plunger cylinder component through a flexible tube, the first plunger cylinder component being slidably arranged on the frame, the sliding direction of the first plunger cylinder component being the same as the extending direction of the corresponding lever rotation projection onto the frame, one end of the first plunger cylinder component extending toward the corresponding lever, the driving component being able to drive the lever to rotate, and causing the lever to press the piston rod of the corresponding first plunger cylinder component into the piston cylinder of the first plunger cylinder component, the second plunger cylinder component being able to be connected to a syringe, so that when the second plunger cylinder component is extended, it can push the piston rod of the corresponding connected syringe to move into the barrel of the syringe.

[0007] Furthermore, the driving component includes a rotation driver and a plurality of cams, wherein the cams are respectively arranged corresponding to the levers, and each cam is respectively in contact with the corresponding lever, and the rotation driver is used to drive the cams to rotate.

[0008] Furthermore, the cam and the first plunger cylinder component are arranged on the same side corresponding to the lever, the piston cylinder of the first plunger cylinder component is slidably arranged on the frame, and the piston rod of the first plunger cylinder component extends toward the corresponding lever.

[0009] Furthermore, the cam is provided with a first contour segment, and the cam radii of any two points with an angle difference of θ in the first contour segment area differ by k·θ, where k is a non-zero constant, and the cam can at least drive the lever to rotate through the first contour segment area.

[0010] Furthermore, the cam is also provided with a second contour segment, and the second contour segment is arranged adjacent to the first contour segment. In the second contour segment area, the difference in cam radius between any two points with an angle difference of α is negatively correlated with the distance between the two points adjacent to the second contour segment and the first contour segment. The cam can at least drive the lever to rotate through the first contour segment area and the second contour segment area.

[0011] Furthermore, the levers are arranged side by side, the cams are fixed on the same rotating shaft, and the rotating driver drives the rotating shaft to rotate.

[0012] Furthermore, the frame is provided with scale lines, the scale lines are arranged along the sliding direction of the piston cylinder, and the scale values ​​of the scale lines are used to represent the distance difference between the scale positions along the axial direction of the first piston cylinder component and projected to the two extreme positions of the lever rotating under the drive of the cam.

[0013] Furthermore, the rotation driver is a stepping motor.

[0014] Furthermore, an elastic member is provided at one end of the lever abutting against the cam, and two ends of the elastic member are respectively connected to the lever and the frame, and the elastic member provides elastic force to keep the lever in contact with the corresponding cam.

[0015] Furthermore, a connecting device is provided on the piston cylinder of the second plunger cylinder component, and the connecting device is used to be fixedly connected to the barrel of the syringe, so that the piston rod of the second plunger cylinder component extends to the piston rod of the syringe.

[0016] The beneficial effects of the present invention are:

[0017] The multi-point synchronous anesthesia device of the anesthesia department, before use, the piston cylinder of the first plunger cylinder component is connected to the piston cylinder of the second plunger cylinder component and the flexible tube to inject liquid or gas. When in use, the driving component drives the lever to rotate, so that each lever presses the piston rod of each first plunger cylinder component into the piston cylinder of the first plunger cylinder component, and the piston rod of the second plunger cylinder component correspondingly extends out of the piston cylinder of the second plunger cylinder component, pushing the piston rod of the connected syringe to inject anesthetic. Since the first plunger cylinder component can slide and adjust the position on the frame, the distance that the piston rod of the first plunger cylinder component is pressed by the lever can be adjusted, and the moving distance of the piston rod of each syringe can also be adjusted, and the start and end time of the movement of the piston rod of each syringe is the same according to the time of lever rotation. Control the driving component to make the lever rotate synchronously, so that each syringe can start and end the anesthetic injection at the same time, and it is not affected by the anesthetic dosage to be injected into each syringe. Thereby solving the problem that the anesthetic dosage in different syringes in the prior art is different and cannot be injected synchronously.

[0018] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and to some extent, will be obvious to those skilled in the art based on the following examination and study, or can be taught from the practice of the present invention. The objectives and other advantages of the present invention can be realized and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A partial cross-sectional view of a front view of a multi-point synchronous anesthesia device for anesthesiology provided by an embodiment of the present invention;

[0020] Figure 2 for Figure 1 The structural diagram of the cam shown;

[0021] Figure 3 for Figure 1 The structural schematic diagram of the injection mechanism shown;

[0022] Reference numerals:

[0023] 1-frame, 2-driving component, 21-rotating driver, 22-cam, 221-first contour segment, 222-second contour segment, 3-lever, 4-injection mechanism, 41-first plunger cylinder component, 42-second plunger cylinder component, 43-flexible tube, 44-connecting device, 5-elastic member, 6-syringe. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0027] In the above description of the present invention, it should be noted that the terms "one side", "the other side", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of the invention is usually placed when in use, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0028] In addition, the term "same" does not mean that the parts must be absolutely the same, but slight differences are allowed. The term "vertical" only means that the positional relationship between the parts is more vertical than "parallel", and does not mean that the structure must be completely vertical, but can be slightly tilted.

[0029] See also Figure 1-3An embodiment of the present invention provides a multi-point synchronous anesthesia device for anesthesiology, comprising a frame 1. The frame 1 is provided with a driving component 2, a plurality of levers 3 and a plurality of injection mechanisms 4. The levers 3 are arranged at intervals, and the driving component 2 is arranged at one end of each lever 3 corresponding to the lever 3. The injection mechanism 4 is arranged corresponding to the other end of each lever 3. The injection mechanism 4 includes a first plunger cylinder component 41 and a second plunger cylinder component 42. The rodless cavity of the first plunger cylinder component 41 is connected to the rodless cavity of the second plunger cylinder component 42 through a flexible tube 43. The first plunger cylinder component 41 is slidably arranged on the frame 1, and the sliding direction of the first plunger cylinder component 41 is the same as the extension direction of the corresponding lever 3 rotation projection onto the frame 1. One end of the first plunger cylinder component 41 extends to the corresponding lever 3. The driving component 2 can drive the lever 3 to rotate, and enables the lever 3 to press the piston rod of the corresponding first plunger cylinder component 41 into the piston cylinder of the first plunger cylinder component 41. The second plunger cylinder component 42 can be connected to the syringe 6 , so that when the second plunger cylinder component 42 is extended, it can push the piston rod of the correspondingly connected syringe 6 to move into the barrel of the syringe 6 .

[0030] Before the multi-point synchronous anesthesia device of the anesthesia department is used, the piston cylinder of the first plunger cylinder component 41 is connected to the piston cylinder of the second plunger cylinder component 42 and the flexible tube 43 to inject liquid or gas. When in use, the lever 3 is driven to rotate by the driving component 2, so that each lever 3 presses the piston rod of each first plunger cylinder component 41 into the piston cylinder of the first plunger cylinder component 41, and the piston rod of the second plunger cylinder component 42 correspondingly extends out of the piston cylinder of the second plunger cylinder component 42, pushing the piston rod of the connected syringe 6 to inject anesthetic. Since the first plunger cylinder component 41 can slide and adjust the position on the frame 1, the distance that the piston rod of the first plunger cylinder component 41 is pressed by the lever 3 can be adjusted, and the moving distance of the piston rod of each syringe 6 can also be adjusted, and the start and end time of the movement of the piston rod of each syringe 6 is the same according to the time when the lever 3 rotates. Control the driving component 2 to make the lever 3 rotate synchronously, so that each syringe 6 can start and end the injection of anesthetic at the same time, and it is not affected by the anesthetic dose to be injected into each syringe 6. Thus, the problem in the prior art that different anesthetics in different syringes have different dosages and cannot be injected synchronously is solved.

[0031] It can be understood that the first plunger cylinder component 41 and the second plunger cylinder component 42 constitute two hydraulic cylinders connected to each other, and the injected liquid or gas is similar to hydraulic oil. When the piston rod of the first plunger cylinder component 41 extends or contracts, the second plunger cylinder component 42 contracts or extends in proportion to the length. The first plunger cylinder component 41 and the second plunger cylinder component 42 are connected through a flexible tube 43, which makes it easier for the second plunger cylinder component 42 to adapt to syringes 6 in different positions, thereby improving the versatility of the device.

[0032] In one embodiment, the driving component 2 includes a rotary driver 21 and a plurality of cams 22. The cams 22 are respectively arranged corresponding to each lever 3, and each cam 22 is respectively in contact with the corresponding lever 3, and the rotary driver 21 is used to drive the cam 22 to rotate. The rotation of the cam 22 drives the lever 3 to rotate. Preferably, the levers 3 are arranged side by side, the cams 22 are fixed together on the same rotating shaft, and the rotary driver 21 drives the rotating shaft to rotate. Thus, all the levers 3 can be driven to rotate synchronously using one rotary driver 21. The synchronous injection of anesthetic by multiple syringes 6 is achieved. Preferably, the rotary driver 21 is a stepping motor. In one embodiment, the cam 22 and the first plunger cylinder component 41 are arranged on the same side of the corresponding lever 3. The piston cylinder of the first plunger cylinder component 41 is slidably arranged on the frame 1, and the piston rod of the first plunger cylinder component 41 extends toward the corresponding lever 3.

[0033] In one embodiment, the cam 22 is provided with a first contour segment 221, and the cam radius of any two points with an angle difference of θ in the first contour segment 221 area differs by k·θ, where k is a non-zero constant, and the cam 22 can at least drive the lever 3 to rotate through the first contour segment 221 area. In one embodiment, the cam 22 is also provided with a second contour segment 222, and the second contour segment 222 is arranged adjacent to the first contour segment 221. In the area of ​​the second contour segment 222, the difference in cam radius between any two points with an angle difference of α is negatively correlated with the distance between the two points adjacent to the second contour segment 222 and the first contour segment 221. The cam 22 can at least drive the lever 3 to rotate through the first contour segment 221 area and the second contour segment 222 area. When the first contour segment 221 area or the second contour segment 222 area of ​​the cam 2 drives the lever 3, the rotary driver 21 is controlled to rotate at a uniform speed. When the first contour segment 221 area drives the lever 3, the corresponding syringe 6 can inject anesthetics at a nearly uniform speed through the motion transmission of the lever 33, thereby reducing the discomfort of the patient during the anesthetic injection; when the second contour segment 222 area drives the lever 3, under the motion transmission of the lever 33, according to the rotation direction of the cam 3, the corresponding syringe 6 can inject anesthetics at an injection speed that is first fast and then slow, or first slow and then fast. This reduces the discomfort of the patient at the beginning or end of the anesthetic injection stage.

[0034] In one embodiment, the frame 1 is provided with scale lines. The scale lines are arranged along the sliding direction of the piston cylinder, and the scale values ​​of the scale lines are used to represent the distance difference between the scale positions along the axial direction of the first plunger cylinder component 41 and the projection to the two extreme positions of the lever 3 driven by the cam 22. The scale lines can be used to know the expected contraction amount of the piston rod of the first plunger cylinder component 41 at the corresponding position, so that the first plunger cylinder component 41 can be moved to a suitable position according to the amount of anesthetic in the syringe 6, which is convenient to use.

[0035] In one embodiment, the end of the lever 3 that contacts the cam 22 is further provided with an elastic member 5. Both ends of the elastic member 5 are respectively connected to the lever 3 and the frame 1, and the elastic member 5 provides elastic force to keep the lever 3 in contact with the corresponding cam 22. Specifically, the elastic member 5 is a coil spring.

[0036] In one embodiment, a connecting device 44 is provided on the piston cylinder of the second plunger cylinder component 42, and the connecting device 44 is used to be fixedly connected to the barrel of the syringe 6, so that the piston rod of the second plunger cylinder component 42 extends to the piston rod connected to the syringe 6. It can be understood that the connecting device 44 can be a structure capable of fixing the syringe 6, such as a card slot, a chuck, etc.

[0037] Working principle,

[0038] Before the multi-point synchronous anesthesia device of the anesthesia department is used, the piston cylinder of the first plunger cylinder component 41 is connected to the piston cylinder of the second plunger cylinder component 42 and the flexible tube 43 to inject liquid or gas. When in use, the lever 3 is driven to rotate by the driving component 2, so that each lever 3 presses the piston rod of each first plunger cylinder component 41 into the piston cylinder of the first plunger cylinder component 41, and the piston rod of the second plunger cylinder component 42 correspondingly extends out of the piston cylinder of the second plunger cylinder component 42, pushing the piston rod of the connected syringe 6 to inject anesthetic. Since the first plunger cylinder component 41 can slide and adjust the position on the frame 1, the distance that the piston rod of the first plunger cylinder component 41 is pressed by the lever 3 can be adjusted, and the moving distance of the piston rod of each syringe 6 can also be adjusted, and the start and end time of the movement of the piston rod of each syringe 6 is the same according to the time when the lever 3 rotates. Control the driving component 2 to make the lever 3 rotate synchronously, so that each syringe 6 can start and end the injection of anesthetic at the same time, and it is not affected by the anesthetic dose to be injected into each syringe 6. Thus, the problem in the prior art that different anesthetics in different syringes have different dosages and cannot be injected synchronously is solved.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A multi-point synchronous anesthesia device for anesthesiology department, comprising a frame, characterized in that: The frame is provided with a driving component, a plurality of levers and a plurality of injection mechanisms, the levers are arranged at intervals, the driving component is arranged at one end of each lever corresponding to the lever, and the injection mechanism is arranged at the other end of each lever, the injection mechanism includes a first plunger cylinder component and a second plunger cylinder component, the rodless chamber of the first plunger cylinder component is connected with the rodless chamber of the second plunger cylinder component through a flexible tube, the first plunger cylinder component is slidably arranged on the frame, the sliding direction of the first plunger cylinder component is the same as the extending direction of the corresponding lever rotation projection onto the frame, one end of the first plunger cylinder component extends to the corresponding lever, the driving component can drive the lever to rotate, and make the lever press the piston rod corresponding to the first plunger cylinder component into the piston cylinder of the first plunger cylinder component, the second plunger cylinder component can be connected to the syringe, so that when the second plunger cylinder component is extended, it can push the piston rod of the corresponding connected syringe to move into the barrel of the syringe.

2. The multi-point synchronous anesthesia device of the anesthesia department according to claim 1, characterized in that: The driving component includes a rotation driver and a plurality of cams. The cams are respectively arranged corresponding to the levers, and each cam is respectively in contact with the corresponding lever. The rotation driver is used to drive the cams to rotate.

3. The multi-point synchronous anesthesia device of the anesthesia department according to claim 2, characterized in that: The cam and the first plunger cylinder component are arranged on the same side corresponding to the lever, the piston cylinder of the first plunger cylinder component is slidably arranged on the frame, and the piston rod of the first plunger cylinder component extends toward the corresponding lever.

4. The multi-point synchronous anesthesia device of the anesthesia department according to claim 3, characterized in that: The cam is provided with a first contour segment, and the radii of the cam at any two locations with an angle difference of θ in the first contour segment area differ by k·θ, wherein k is a non-zero constant, and the cam can at least drive the lever to rotate through the first contour segment area.

5. The multi-point synchronous anesthesia device of the anesthesia department according to claim 4, characterized in that: The cam is also provided with a second contour segment, which is arranged adjacent to the first contour segment. In the second contour segment area, the difference in cam radius between any two points with an angle difference of α is negatively correlated with the distance between the two points adjacent to the second contour segment and the first contour segment. The cam can at least drive the lever to rotate through the first contour segment area and the second contour segment area.

6. The multi-point synchronous anesthesia device of the anesthesia department according to claim 2, characterized in that: The levers are arranged side by side, the cams are fixed on the same rotating shaft, and the rotating driver drives the rotating shaft to rotate.

7. The multi-point synchronous anesthesia device of the anesthesia department according to claim 2, characterized in that: The frame is provided with scale lines, which are arranged along the sliding direction of the piston cylinder. The scale values ​​of the scale lines are used to represent the distance difference between the scale positions along the axial direction of the first plunger cylinder component and projected to the two extreme positions of the lever rotating under the drive of the cam.

8. The multi-point synchronous anesthesia device of the anesthesia department according to claim 2, characterized in that: The rotation driver is a stepping motor.

9. The multi-point synchronous anesthesia device of the anesthesia department according to claim 2, characterized in that: An elastic member is also provided at one end of the lever abutting against the cam, and two ends of the elastic member are respectively connected to the lever and the frame, and the elastic member provides elastic force to keep the lever in contact with the corresponding cam.

10. The multi-point synchronous anesthesia device of the anesthesia department according to claim 1, characterized in that: A connecting device is provided on the piston cylinder of the second plunger cylinder component, and the connecting device is used to be fixedly connected to the barrel of the syringe, so that the piston rod of the second plunger cylinder component extends to the piston rod of the syringe.

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