CN222369014U

CN222369014U - Anesthetic quantitative preparation device

Info

Publication number: CN222369014U
Application number: CN202420871279.XU
Authority: CN
Inventors: 姚智敏; 黎霞
Original assignee: 958th Army Hospital Of Pla
Current assignee: 958th Army Hospital Of Pla
Priority date: 2024-04-25
Filing date: 2024-04-25
Publication date: 2025-01-21
Anticipated expiration: 2034-04-25

Abstract

The utility model discloses an anesthetic quantitative preparation device which comprises a bearing table for placing a mixed anesthetic receiving container, wherein a plurality of quantitative preparation units are arranged above the bearing table through a supporting structure, each quantitative preparation unit comprises a medicament temporary storage cylinder and a piston type preparation cylinder which are arranged in parallel, the medicament temporary storage cylinder and the piston type preparation cylinder are communicated through a medicament suction pipeline with a first one-way valve, and a medicament delivery pipeline with a second one-way valve is also communicated on the medicament suction pipeline, wherein a lifting structure is arranged relative to a piston of the piston type preparation cylinder and used for adjusting the stroke of the piston, so that anesthetic can be quantitatively sucked from the medicament suction pipeline or quantitatively delivered from the medicament delivery pipeline. The utility model aims to provide an anesthetic quantitative preparation device which can assist anesthetists in carrying out mixed preparation operation of anesthetic agents, realizes quantitative suction and delivery of the agents by precisely controlling the piston stroke through a lifting structure, has low labor intensity and is beneficial to ensuring accurate contents of all components in mixed anesthetic agents.

Description

Anesthetic quantitative preparation device

Technical Field

The utility model relates to the technical field of clinical anesthesia auxiliary instruments, in particular to an anesthetic quantitative preparation device.

Background

Anesthetic refers to a drug that can temporarily and reversibly unconsciously and pain the whole body or parts of the body. According to their action ranges, general anesthetics can be classified into general anesthetics and local anesthetics, and general anesthetics can be classified into inhalation anesthetics and intravenous anesthetics according to their action characteristics and modes of administration.

In clinical practice, anesthesiologists typically mix anesthetic agents, which has the advantage of superimposing the anesthetic effects of the various agents while controlling each agent at a smaller dose to reduce the adverse effects of the drug itself. At present, when mixing various anesthetic agents, anesthesiologists usually adopt an injector to quantitatively extract from containers containing different agents, and then put the container into one container for shaking and mixing, and in the process, at least the following disadvantages exist:

1. Considering the uneven level of anesthesiologists, when quantitatively preparing the mixed anesthetic, the mixed anesthetic is influenced by subjective factors such as proficiency and responsibility of anesthesiologists, so that the content of each component liquid medicine in the prepared mixed anesthetic is easy to deviate, and the using effect of the mixed anesthetic is influenced;

2. The anesthesiologist needs to repeatedly observe and compare the scale on the syringe when drawing all kinds of liquid medicine, and complex operation wastes time and energy, influences the preparation efficiency of mixed anesthetic.

Disclosure of utility model

The utility model aims to provide an anesthetic quantitative preparation device which can assist anesthesiologists in carrying out mixed preparation operation of anesthetic agents, realizes quantitative suction and delivery of the agents by precisely controlling the piston stroke through a lifting structure, has low labor intensity, and is beneficial to ensuring accurate contents of components in mixed anesthetic agents, thereby solving the technical problems set forth in the background art.

In order to achieve the above purpose, the present utility model discloses a technical scheme:

The anesthetic quantitative preparation device is characterized by comprising a bearing table for placing a mixed anesthetic receiving container, wherein a plurality of quantitative preparation units are arranged above the bearing table through a supporting structure, each quantitative preparation unit comprises a medicament temporary storage cylinder and a piston type preparation cylinder which are arranged in parallel, bottoms of the medicament temporary storage cylinder and the piston type preparation cylinder are communicated through a medicine suction pipeline with a first one-way valve, and a medicine feeding pipeline with a second one-way valve is also communicated on the medicine suction pipeline, wherein a lifting structure is arranged relative to a piston of the piston type preparation cylinder and used for adjusting the stroke of the piston, so that anesthetic can be quantitatively sucked from the medicine suction pipeline or quantitatively sent from the medicine feeding pipeline.

Furthermore, the lifting structure comprises a screw rod serving as a piston shaft, a screw thread sleeve is sleeved on the screw rod, the screw thread sleeve is connected with a servo motor through a transmission assembly, and the screw rod can be driven to ascend or descend when the screw thread sleeve rotates.

Further, the driven component comprises a worm wheel sleeved on the periphery of the thread sleeve and a worm connected to the output shaft of the servo motor, and the worm wheel and the worm are meshed with each other.

Further, a mounting shell is arranged on the top of the piston type preparation cylinder, the worm wheel is supported at the bottom of the mounting shell through a plane bearing, and the servo motor is fixed on the wall of the mounting shell.

Still further, a controller is further disposed on the supporting structure, and the controller is connected to the control circuit of each servo motor and is used for controlling the actions of each servo motor.

Still further, bearing structure includes the supporting seat and hangs in the mounting bracket on the supporting seat, circumference evenly distributed has a plurality of with quantitative preparation unit one-to-one's assembly mouth on the mounting bracket.

Still further, the mounting bracket with the supporting seat rotates to be connected still be provided with spacing subassembly between the mounting bracket with the supporting seat, spacing subassembly will the rotation angle of mounting bracket is limited within 360.

Still further, the spacing subassembly is including setting up dog on the supporting seat and the carousel on the mounting bracket, be provided with on the carousel with dog complex spacing post.

Furthermore, the medicament temporary storage barrel is made of transparent materials, and scales are further arranged on the medicament temporary storage barrel.

Further, a gravity sensor is also arranged on the bearing table.

Compared with the prior art, the utility model has the remarkable effects that:

(1) According to the utility model, the quantitative preparation of the multi-category anesthetic can be simultaneously carried out by the cooperative coordination of the quantitative preparation units, and the lifting structure in each quantitative preparation unit independently operates, so that the dosages of various anesthetic can be respectively controlled, and the preparation efficiency of the mixed anesthetic can be improved;

(2) The lifting structure is used for precisely controlling the piston stroke to realize quantitative suction and delivery of the medicament, and the dosage of various anesthetic medicaments can be accurately controlled, so that the accurate content of each component in the mixed anesthetic medicament is ensured, and the use effect is better;

(3) The medicine is configured to be temporarily stored in the cylinder, the medicine pumping pipeline and the medicine feeding pipeline, and under the cooperation of the first one-way valve and the second one-way valve, medicine liquid can only flow into the piston type preparation cylinder from the medicine temporarily stored in the cylinder through the medicine pumping pipeline during medicine pumping operation, medicine liquid can only flow to the outside from the medicine feeding pipeline during medicine feeding operation, namely medicine pumping is realized when the piston is ensured to rise, medicine feeding is realized when the piston is lowered, medicine liquid pumping and medicine feeding are automatically completed, and the medicine liquid do not interfere with each other, so that the function is more comprehensive, and the application prospect is wider.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic diagram (I) showing the overall structure of an anesthetic dosing apparatus according to a first embodiment;

FIG. 2 is a schematic diagram (II) showing the overall structure of an anesthetic dosing apparatus according to the first embodiment;

FIG. 3 is a schematic diagram of the overall structure of an anesthetic dosing apparatus according to the first embodiment;

FIG. 4 is a schematic diagram (I) of a quantitative preparation unit according to an embodiment;

FIG. 5 is a schematic diagram of the structure of a dosing unit (II) according to the first embodiment;

FIG. 6 is a schematic view showing the internal structure of a piston-type dispensing cartridge according to the first embodiment;

FIG. 7 is an enlarged view of a portion A of FIG. 6;

FIG. 8 is a schematic structural diagram of a quantitative preparation unit in the second embodiment;

The figure shows a 1-bearing table, a 2-supporting structure, a 3-quantitative preparation unit, a 301-medicament temporary storage cylinder, a 302-piston type preparation cylinder, a 303-first one-way valve, a 304-medicament pumping pipeline, a 305-second one-way valve, a 306-medicament feeding pipeline, a 307-piston, a 308-lifting structure, a 309-lead screw, a 310-screw sleeve, a 311-servo motor, a 312-worm wheel, a 313-worm, a 314-mounting shell, a 315-plane bearing, a 316-controller, a 317-scale, a 318-floating liquid level sensor, a 201-supporting seat, a 202-mounting frame, a 203-mounting opening, a 204-stop block, a 205-turntable, a 206-limiting column and a 101-gravity sensor.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present utility model more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments, which should be construed as merely illustrative, and not limitative of the present utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Fig. 1 and 7 show a first embodiment of the utility model, which comprises a bearing table 1 for placing a mixed anesthetic receiving container, wherein a plurality of quantitative preparation units 3 are arranged above the bearing table 1 through a supporting structure 2, the quantitative preparation units 3 comprise a medicament temporary storage cylinder 301 and a piston type preparation cylinder 302 which are arranged in parallel, bottoms of the medicament temporary storage cylinder 301 and the piston type preparation cylinder 302 are communicated through a medicine pumping pipeline 304 with a first one-way valve 303, a medicine feeding pipeline 306 with a second one-way valve 305 is also communicated on the medicine pumping pipeline 304, a lifting structure 308 is arranged relative to a piston 307 of the piston type preparation cylinder 302, and the lifting structure 308 is used for adjusting the stroke of the piston 307 so that the anesthetic can be quantitatively sucked from the medicine pumping pipeline 304 or quantitatively fed from the medicine feeding pipeline 306.

As shown in fig. 4 to 7, the lifting structure 308 includes a screw 309 as a shaft of the piston 307, a threaded sleeve 310 is sleeved on the screw 309, the threaded sleeve 310 is connected with a servo motor 311 through a transmission assembly, and the screw 309 can be driven to rise or fall when the threaded sleeve 310 rotates. The driven assembly comprises a worm wheel 312 sleeved on the periphery of the thread sleeve 310 and a worm 313 connected to the output shaft of the servo motor 311, wherein the worm wheel 312 and the worm 313 are meshed with each other. A mounting shell 314 is arranged on the top of the piston type dispensing cylinder 302, the worm wheel 312 is supported at the bottom of the mounting shell 314 through a plane bearing 315, and the servo motor 311 is fixed at the wall of the mounting shell 314. When the servo motor 311 rotates positively, the worm 313 drives the worm wheel 312 to rotate positively, so that the screw sleeve 310 rotates positively, the screw 309 rises under the action of the screw sleeve 310 to drive the piston 307 to rise, the medicament is pumped into the piston type preparation cylinder 302 from the medicament temporary storage cylinder 301 through the medicament pumping pipeline 304, otherwise, when the servo motor 311 rotates reversely, the worm 313 drives the worm wheel 312 to rotate reversely, so that the screw sleeve 310 rotates reversely, the screw 309 falls under the action of the screw sleeve 310 to drive the piston 307 to descend, and the medicament is output from the piston type preparation cylinder 302 to the outside through the medicament delivery pipeline 306.

As shown in fig. 3, a controller 316 is further disposed on the support structure 2, and the controller 316 is connected to a control circuit of each of the servo motors 311 and is used for controlling the actions of each of the servo motors 311. The controller 316 includes a display module and a key module, and a user can set parameters of each servo motor 311 one by one through the display module and the key module, so as to ensure accurate dosage of various anesthetic agents.

Referring to fig. 1 to 3, specifically, the supporting structure 2 includes a supporting seat 201 and a mounting frame 202 suspended on the supporting seat 201, and a plurality of assembling ports 203 corresponding to the quantitative preparation units 3 one by one are uniformly distributed on the circumference of the mounting frame 202. Preferably, a servo motor 311 interface is reserved near the assembly port 203, so that each quantitative preparation unit 3 can be detached from the assembly port, so as to facilitate the cleaning of the quantitative preparation unit 3 by a user. Preferably, the mounting shell 314 is removably coupled to the piston dispensing cartridge 302 to further facilitate cleaning of the interior of the cartridge body of the piston dispensing cartridge 302 by a user.

It can be seen from the figure that, in order to facilitate the anesthesiologist to transfer the medicament to the medicament temporary storage barrel 301, the mounting frame 202 is rotationally connected with the supporting seat 201, and in order to reduce the interference to the control circuit of the servo motor 311, a limiting component is further disposed between the mounting frame 202 and the supporting seat 201, and the limiting component limits the rotation angle of the mounting frame 202 within 360 °. Specifically, the limiting assembly comprises a stop 204 arranged on the supporting seat 201 and a rotary table 205 arranged on the mounting frame 202, and a limiting column 206 matched with the stop 204 is arranged on the rotary table 205. In other embodiments, the control circuit of the servo motor 311 may be disposed by using a brush slip ring, so that the rotation angle of the mounting frame 202 is not limited.

As can be seen from fig. 5, in order to facilitate the anesthetist to roughly estimate the medicament capacity when adding anesthetic into the medicament temporary storage barrel 301, so as to avoid the situations of waste caused by insufficient medicament in the mixing and preparing operation and excessive medicament remaining after the mixing and preparing operation is completed, the medicament temporary storage barrel 301 is made of transparent materials, and a scale 317 is further arranged on the medicament temporary storage barrel 301. Preferably, in view of the volatile nature of some anesthetic agents, an end cap with an air inlet valve may be installed at the inlet of the agent temporary storage barrel 301 during actual use.

As shown in fig. 2 and fig. 3, in order to compare with the preset parameters of the servo motor 311 after the preparation of the mixed medicament is completed, so as to facilitate the user to calibrate the preset parameters of the servo motor 311, the bearing table 1 is further provided with a gravity sensor 101.

Fig. 8 shows a second embodiment of the present utility model, which further improves the accuracy of the device compared to the first embodiment, and also provides a floating level sensor 318 in the medicament temporary storage barrel 301 for facilitating the user to calibrate the preset parameters of the servo motor 311.

In summary, the quantitative preparation units 3 cooperate to perform quantitative preparation for multiple types of anesthetic simultaneously, and the lifting structure 308 in each quantitative preparation unit 3 operates independently, so that the dosages of various anesthetic can be controlled respectively, and the preparation efficiency of mixed anesthetic can be improved;

The lifting structure 308 is utilized to precisely control the stroke of the piston 307 to realize quantitative inhalation and delivery of medicaments, and the dosages of various anesthetic medicaments can be accurately controlled, so that the accurate content of each component in the mixed anesthetic medicament is ensured, the use effect is better, the medicament temporary storage cylinder 301, the medicament drawing pipeline 304 and the medicament delivery pipeline 306 are configured, under the cooperation of the first one-way valve 303 and the second one-way valve 305, the medicament can only flow into the piston type preparation cylinder 302 from the medicament temporary storage cylinder 301 through the medicament drawing pipeline 304 in medicament drawing operation, the medicament can only circulate to the outside from the medicament delivery pipeline 306 in medicament delivery operation, namely medicament drawing is realized when the piston 307 is ensured to ascend, medicament delivery is realized when the piston 307 descends, medicament drawing and medicament delivery are automatically completed, the medicament temporary storage cylinder 301 and the medicament drawing pipeline 306 are not interfered with each other, the functions are more comprehensive, and the application prospect is wider.

Finally, it should be noted that the above-mentioned technical solution is only a preferred embodiment of the present utility model, and it should be understood that the scope of the present utility model is not limited thereto, and those skilled in the art can understand all or part of the procedures for implementing the above-mentioned embodiment, and still fall within the scope of the present utility model according to the equivalent changes made in the claims.

Claims

1. The anesthetic quantitative preparation device is characterized by comprising a bearing table for placing a mixed anesthetic receiving container, wherein a plurality of quantitative preparation units are arranged above the bearing table through a supporting structure, each quantitative preparation unit comprises a medicament temporary storage barrel and a piston type preparation barrel which are arranged in parallel, bottoms of the medicament temporary storage barrel and the piston type preparation barrel are communicated through a medicine suction pipeline with a first one-way valve, a medicine feeding pipeline with a second one-way valve is further communicated on the medicine suction pipeline, a lifting structure is arranged relative to a piston of the piston type preparation barrel and used for adjusting the stroke of the piston, so that anesthetic can be quantitatively sucked from the medicine suction pipeline or quantitatively sent from the medicine feeding pipeline, the lifting structure comprises a screw rod serving as a piston shaft, a screw sleeve is sleeved on the screw rod, the screw sleeve is connected with a servo motor through a transmission assembly, and the screw rod can be driven to ascend or descend when the screw sleeve rotates.

2. The anesthetic dosing apparatus as claimed in claim 1, wherein the transmission assembly includes a worm wheel sleeved on a periphery of the thread sleeve, and a worm connected to an output shaft of the servo motor, the worm wheel and the worm being engaged with each other.

3. The anesthetic dosing device as claimed in claim 2, wherein a mounting case is provided on a top of the piston dosing cylinder, the worm wheel is supported at a bottom of the mounting case by a planar bearing, and the servo motor is fixed at a wall of the mounting case.

4. The anesthetic dosing apparatus as claimed in any one of claims 1-3, wherein a controller is further provided on the support structure, and the controller is connected to a control circuit of each of the servomotors and is used for controlling the actions of each of the servomotors.

5. The anesthetic dosing device as claimed in claim 1 or 3, wherein the supporting structure comprises a supporting seat and a mounting frame hung on the supporting seat, and a plurality of assembling ports corresponding to the dosing units one by one are uniformly distributed on the circumference of the mounting frame.

6. The anesthetic dosing device as claimed in claim 5, wherein the mounting frame is rotatably connected to the supporting base, and a limiting assembly is further provided between the mounting frame and the supporting base, and the limiting assembly limits the rotation angle of the mounting frame to 360 degrees or less.

7. The anesthetic dosing apparatus as claimed in claim 6, wherein the limiting assembly includes a stopper provided on the supporting base and a turntable provided on the mounting frame, and the turntable is provided with a limiting post engaged with the stopper.

8. The anesthetic dosing apparatus as claimed in claim 1 or 7, wherein the agent storage cylinder is made of transparent material, and a scale is provided on the agent storage cylinder.

9. The anesthetic dosing apparatus as claimed in claim 8, wherein a gravity sensor is further provided on the carrying table.