CN211677228U - Foaming device - Google Patents

Abstract

The utility model relates to a foaming device, which comprises a drainage component and a foaming component; the drainage assembly comprises a drainage body and a puncture needle, the drainage body comprises a puncture part and a holding part, a protective cover is arranged outside the puncture part, the holding part is provided with a puncture needle extraction channel, the drainage tube further comprises a drainage tube, an outlet of the drainage tube is connected with a foaming assembly, the drainage tube is internally provided with a drainage channel and an extraction channel, the foaming assembly comprises a mixing tube and a mixing operation driver, a mixing cavity is arranged in the mixing tube, and a medicine adding structure and an elastic deformation structure are arranged on the mixing tube. The electric push rod makes telescopic motion to drive the hydraulic cylinder to work, so that the physiological saline is pressed out or sucked in, the gas, the physiological saline and the blood are fully mixed, and finally, the uniform micro-bubble reagent is formed. Because the mixing process is automatic operation, only the medicine is needed to be added, the workload of medical care personnel is greatly reduced, and the mixing efficiency can be obviously improved.

Description

Foaming device

technical field

The utility model relates to the technical field of medical devices, in particular to a foaming device used for micro-embolism detection.

Background technique

Microemboli (MES) are other abnormal components, such as blood clots, platelet aggregate particles, arteriosclerotic plaque particles, fat, or air, that pass through the bloodstream with a larger volume than normal blood cells. These abnormal substances will be monitored in real time by transcranial Doppler (TCD) when the blood flow passes through. In this detection method, there are more obvious high-intensity signals on the spectrum than blood flow signals, and on the sound spectrum. Manifested as a spindle wave. The appearance of microemboli indicates that the risk of embolism is increased, and the risk of embolic stroke and recurrence of stroke are both higher. Microembolism monitoring is of great significance for judging the source, quantity and impact of emboli.

The foaming device is a device for preparing micro-bubble reagents, and it is the premise and basis for the accurate detection of micro-emboli. During preparation, connect the intravenous indwelling needle through the thread of the three-way valve, connect the syringe with 9ml of normal saline and 1ml of air at one end, and connect the last end to an empty syringe. After the empty syringe draws 1ml or 1-2 drops of the patient's blood, close it The channel between the empty syringe and the human blood vessel is connected to the channel between the empty syringe and the syringe with 9ml of normal saline and 1ml of air, and it can be made into a micro-bubble reagent after being pushed repeatedly for several times.

This process needs to be pushed repeatedly for many times, which requires a lot of physical strength. At the same time, a complete emboli detection includes a quiet state and two Valsalva state detections. Therefore, the preparation of micro-bubble reagents also needs to be repeated three times. The physical strength of personnel is a test, which restricts the detection efficiency.

In view of the above problems, it is necessary to propose a new foaming device that can automatically perform mixing operations, replace manual operations with mechanical operations, significantly reduce labor intensity and improve work efficiency. provide help.

Utility model content

In view of this, the purpose of the present invention is to provide a foaming device that can automatically mix and operate, with low labor intensity and high operation efficiency, so as to solve the problems of high labor intensity and low operation efficiency in the prior art.

The utility model is realized through the following technical solutions:

Foaming device, including drainage assembly and foaming assembly;

The drainage assembly includes a drainage body with a drainage channel and a puncture needle arranged in the drainage channel in an axially movable manner. a holding part, the outside of the piercing part is provided with a protective cover that is sealed and sleeved on it, the holding part is provided with a puncture needle extraction channel, and a puncture needle needle handle fixing cavity is arranged in the puncture needle extraction channel,

It also includes a drainage tube integrally arranged in the lateral direction of the gripping portion, the outlet of the drainage tube is connected with the foaming component, and the drainage tube is provided with an outlet channel that communicates with the drainage channel and the foaming component,

The foaming assembly includes a mixing pipe detachably connected with the drainage pipe and a mixing operation driver detachably connected with the mixing pipe. The mixing pipe is provided with a mixing cavity that communicates with the extraction channel. A cut-off switch is arranged near one end of the drainage tube, and a drug addition structure and an elastic deformation structure are set on the mixing tube between the cut-off switch and the mixing operation driver.

The hybrid operation driver includes an electric push rod, a hydraulic cylinder and a power supply electrically connected to the electric push rod, the rod end of the electric push rod is connected with the piston of the hydraulic cylinder, and the compression chamber of the hydraulic cylinder is provided with a liquid inlet and outlet interface , the liquid inlet and outlet ports are communicated with the other end of the mixing tube,

The elastic deformation structure includes an elastic bag communicating with the mixing chamber, and a cutoff switch is provided on the pipeline communicating with the elastic bag and the mixing chamber.

Further, it also includes a base, the base is provided with V-shaped groove I and V-shaped groove II, the V-shaped groove I is adapted to the shape of the electric push rod, and the V-shaped groove II is adapted to the shape of the hydraulic cylinder.

Further, the elastic bag is a rubber film bag, and the mouth of the rubber film bag is connected with the cutoff switch.

Further, the drug adding structure is a drug injection port and a sealing plug for sealing the drug injection port.

Alternatively, the drug adding structure is an air injection port and a drug bottle, the air injection port is sealed with a rubber stopper, the drug bottle is vertically fixed on the mixing tube, and communicates with the mixing chamber, and A cut-off switch is arranged on the pipeline communicating with the mixing chamber.

Further, the top of the medicine bottle is provided with a medicine inlet.

Further, the end of the needle handle of the puncture needle is provided with a conical sealing plug that can seal the extraction channel of the puncture needle, the middle part of the end face of the conical sealing plug is provided with a fixing hole, and the middle part of the end face of the puncture needle needle handle is provided with A fixing rod that is an interference fit with the fixing hole.

Further, a battery box is arranged on the electric push rod, the power source is a rechargeable battery arranged in the battery box, the rechargeable battery is connected with the electric push rod by a wire, and a control valve is arranged on the connected wire, so The battery box is provided with a control button, and the control button is in electrical communication with the control valve.

The beneficial effects of the present utility model are:

Through the telescopic motion of the electric push rod, the hydraulic cylinder is driven to work, the medicine is pressed out or inhaled, and the gas, physiological saline and blood are fully mixed, and finally a uniform micro-bubble reagent is formed. Since the mixing process is an automatic operation, the medical staff only needs to perform the operation of adding drugs, which greatly reduces the workload of the medical staff and can significantly improve the mixing efficiency. In addition, the utility model realizes the increase or decrease of the volume through the deformation of the elastic bag, thereby providing the possibility to realize the mixing operation of gas, saline and blood.

Description of drawings

1 is a schematic structural diagram of a first embodiment of the present invention;

Fig. 2 is the right side view of Fig. 1;

3 is a cross-sectional view of a drainage body;

4 is a cross-sectional view of a foam assembly;

Fig. 5 is a partial enlarged view of Fig. 4 at A;

6 is a cross-sectional view of the foaming assembly of the second embodiment;

Fig. 7 is a partial enlarged view of Fig. 6 at B;

FIG. 8 is a circuit connection diagram of this embodiment.

Reference number:

1-Drainage component; 2-Foam component; 3-Drainage body; 4-Puncture needle; 5-Puncture part; 6-Grip part; 7-Protective cover; 8-Puncture needle extraction channel; 9-Puncture needle needle Handle fixing cavity; 10-conical sealing plug; 11-fixing hole; 12-fixing rod; 13-drainage tube; 14-outlet channel; 15-mixing tube; 16-mixing operation driver; 17-mixing cavity; 18 - Electric push rod; 19 - hydraulic cylinder; 20 - power supply; 21 - elastic bladder; 22 - cut-off switch; 23 - connecting cone; 24 - drug injection port; 25 - sealing plug; 26 - battery box; 27 - control valve; 28-control button; 29-base; 30-V-groove I; 31-V-groove II; 32-air injection port; 33-medicine bottle; 34-rubber stopper; 35-air inlet; ; 37 - cut-off switch II; 38 - one-way valve; 39 - protective cover.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described above are part of the embodiments of the present invention, but not all of the embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the above description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "one side", "the other side", etc. is based on the orientation or positional relationship shown in the accompanying drawings, or the product of the utility model The orientation or positional relationship that is usually placed in use is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be used. It is understood as a limitation of the present invention. Furthermore, the terms "first", "second", etc. are only used to differentiate the description and should not be construed to indicate or imply relative importance.

Furthermore, terms such as the term "identical" do not imply that the components are required to be absolutely identical, but minor differences may exist. The term "perpendicular" simply means that the positional relationship between components is more vertical than "parallel", and does not mean that the structure must be completely vertical, but may be slightly inclined.

first embodiment

1-5, this embodiment provides a foaming device, including a drainage assembly 1 and a foaming assembly 2;

The drainage assembly includes a drainage body 3 and a puncture needle 4. The drainage body is provided with a drainage channel 7, and the puncture needle is axially movably arranged in the drainage channel, so as to realize axial assembly and disassembly, which is convenient for taking out after the puncture is completed. The drainage body includes an integrated The piercing part 5 and the holding part 6 are provided, that is, the two can be integrally injection-molded, the piercing part is sleeved on the needle body of the puncture needle, and the holding part is sleeved on the needle handle, forming a full coverage of the puncture needle, which is convenient to build a puncture needle. At the same time, a protective cover 39 is arranged on the outside of the piercing part. The protective cover is sealed and sleeved on the piercing part to protect the piercing part and avoid pollution. The grip part is provided with a puncture needle extraction channel 8. A puncture needle needle handle fixing cavity 9 is arranged in the needle extraction channel. In addition, a conical sealing plug 10 is arranged at the end of the needle handle of the puncture needle. The conical sealing plug can seal the puncture needle extraction channel. The middle of the end face of the puncture needle is provided with a fixing hole 11, and the middle of the end face of the puncture needle handle is provided with a fixing rod 12 which is interference fit with the fixing hole. Through the cooperation of the fixing rod and the fixing hole, the conical sealing plug and the puncture needle are detachable structures. When the puncture needle is taken out, the puncture needle is removed, and the conical sealing plug can continue to seal the extraction channel of the puncture needle.

At the same time, a sealing ring is arranged on the outer surface of the needle handle of the puncture needle to prevent the entry of external air, which can further improve the sealing effect.

In this embodiment, it also includes a drainage tube 13 integrally arranged in the lateral direction of the gripping portion. The outlet of the drainage tube is connected to the foaming component, and the drainage tube is provided with an extraction channel 14 that communicates with the drainage channel and the foaming component. The channel introduces the drug into the foaming assembly for mixing.

Specifically, the foaming assembly includes a mixing tube 15, a mixing operation driver 16, a drug adding structure and an elastic deformation structure. A mixing cavity 17 is arranged in the mixing tube, and the mixing cavity is communicated with the extraction channel to introduce the drug into the mixing cavity. , the mixing chamber is provided with a cut-off switch I 36 near one end of the drainage tube, and the liquid flow is cut off,

In this embodiment, the hybrid operation driver includes an electric push rod 18, a hydraulic cylinder 19 and a power source 20 electrically connected to the electric push rod. The electric push rod and the hydraulic cylinder are coaxially arranged, and the rod end of the electric push rod is connected to the hydraulic cylinder The piston is connected, and the compression chamber of the hydraulic cylinder is provided with a liquid inlet and outlet interface, which is connected with the other end of the mixing pipe. When the electric power is obtained from the power supply, the electric push rod starts to work and makes a telescopic movement. The rod ends of the push rod are connected, and the two form a linkage, and then push the hydraulic cylinder to compress or release, so as to push out the medicine in the hydraulic cylinder, or inhale the medicine in the mixing chamber. Through repeated mixing operations, the gas, blood and physiological The three brines are thoroughly mixed, and finally micro-bubble reagents are formed. The connection circuit is shown in Figure 8.

The elastic deformation structure can be various elastic bodies. In this embodiment, it is an elastic bag 21 that communicates with the mixing chamber. The elastic bag is arranged on the mixing pipe between the cut-off switch and the mixing operation driver, and can work in the hydraulic cylinder. Deformation occurs when the volume is increased or reduced, thereby providing the possibility to realize the mixing operation of gas, saline and blood.

In this embodiment, a cut-off switch 22 is provided on the pipeline connecting the elastic bag and the mixing chamber. When the mixing is completed, the cut-off switch is used to close the pipeline connecting the elastic bag and the mixing chamber, so that the reagent can be injected into the human body. Prepare.

In this embodiment, the two ends of the mixing pipe are provided with connecting cones 23, and the two connecting cones are respectively connected with the liquid inlet and outlet ports of the hydraulic cylinder and the drainage pipe, so that the mixing pipe is detachably connected with the hydraulic cylinder and the drainage pipe. Makes disassembly quicker.

In this embodiment, the drug adding structure is a drug injection port 24 and a sealing plug 25 for sealing the drug injection port. When gas or saline needs to be added, the gas or saline can be injected through the injection needle through the sealing cap, which is very convenient to operate.

In this embodiment, a battery box 26 is arranged on the electric push rod, the power source is a rechargeable battery arranged in the battery box, the rechargeable battery is connected with the electric push rod by a wire, and a control valve 27 is arranged on the connected wire, and the battery box A control button 28 is provided on the upper surface, and the control button is electrically connected with the control valve. The control valve is operated through the control button, and then the electric push rod is connected or disconnected to control its state.

When foaming, take out the device, connect both ends of the mixing pipe to the drainage pipe and the liquid inlet and outlet of the hydraulic cylinder, take out the protective cover, expose the piercing part, push the hydraulic cylinder to the maximum compression position, discharge the gas in the cylinder, and use it later. The injection part penetrates the patient's vein, takes out the puncture needle, and seals it with a conical sealing plug, and then drives the electric push rod to shrink, so that negative pressure is generated in the hydraulic cylinder, and the blood is sucked into the mixing chamber or hydraulic cylinder, and when the required amount is reached , stop, close the cut-off switch on the mixing tube, open the cut-off switch on the pipeline connecting the elastic bladder and the mixing cavity, inject an appropriate amount of gas and physiological saline through the drug injection port, and then connect the control valve through the control button to start the mixing operation. The driver performs the mixing operation. After the specified time or number of times, the control valve is finally disconnected, the mixing operation driver stops working, and the foaming ends.

As an improvement of this embodiment, a base 29 is also included. The base is provided with V-shaped grooves I30 and V-shaped grooves II31. Through the support of the electric push rod by the V-shaped groove I and the support of the hydraulic cylinder by the V-shaped groove II, the hybrid operation driver is fixed on the base, so that the operation is reliable, stable and more standardized.

As an improvement of this embodiment, the elastic bag is a rubber film bag. The rubber film bag is similar to a balloon and has the functions of shrinking and expanding. It has a shrinking mouth that can be quickly connected to the cutoff switch.

When in use, the gas in it can be discharged through the mixing operation driver.

The models and sizes of the hydraulic cylinders and electric push rods in this embodiment are not limited, and only need to be reasonably selected when they are used.

Meanwhile, in this embodiment, the power supply provides direct current, and the electric push rod is alternating current, and an inverter can be added to convert the direct current into alternating current, so as to provide working power for the device.

Second Embodiment

As shown in FIG. 6 and FIG. 7 , this embodiment provides another foaming device. Different from the first embodiment, the drug adding structure of this embodiment is an air injection port 32 and a drug bottle 33. A rubber stopper 34 is sealed in the mouth, the medicine bottle is vertically fixed on the mixing tube, and communicates with the mixing chamber, and a cutoff switch II 37 is provided on the pipeline communicating with the mixing chamber. The gas is injected through the air injection port, and the medicine bottle acts by gravity, and the physiological saline in it flows into the mixing chamber. Of course, in order to make the medicine bottle pressurized, an air inlet 35 can be provided on the top of the medicine bottle. Consistent, thereby preventing the situation where the internal pressure is too low and the brine cannot enter the mixing chamber. In addition, in this embodiment, a one-way valve 38 is also provided at the end of the medicine bottle connected to the mixing pipe, which can prevent gas or liquid from being poured into the pipe, resulting in an inaccurate amount.

The advantage of this embodiment is that more saline can be loaded into the medicine bottle at one time, so that the saline can be used multiple times, avoiding the operation of needing to inject saline many times, and making the operation simpler.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should The technical solutions are modified or equivalently replaced without departing from the purpose and scope of the technical solutions of the present invention, and all of them should be included in the scope of the claims of the present invention.

Claims (8)

1. Foaming device, its characterized in that: comprises a drainage component and a foaming component;

the drainage assembly comprises a drainage body with a drainage channel and a puncture needle which is axially movably arranged in the drainage channel, the drainage body comprises a puncture part and a holding part which are integrally arranged and respectively sleeved on a puncture needle body and a needle handle, the outside of the puncture part is provided with a protective cover which is hermetically sleeved on the puncture part, the holding part is provided with a puncture needle extraction channel, a puncture needle handle fixing cavity is arranged in the puncture needle extraction channel,

also comprises a drainage tube which is integrally arranged in the lateral direction of the holding part, the outlet of the drainage tube is connected with the foaming component, and a leading-out channel which is communicated with the drainage channel and the foaming component is arranged in the drainage tube,

the foaming component comprises a mixing pipe detachably connected with the drainage pipe and a mixing operation driver detachably connected with the mixing pipe, a mixing cavity communicated with the leading-out channel is arranged in the mixing pipe, a stop switch is arranged at one end of the mixing cavity close to the drainage pipe, a medicine adding structure and an elastic deformation structure are arranged on the mixing pipe between the stop switch and the mixing operation driver,

the mixing operation driver comprises an electric push rod, a hydraulic cylinder and a power supply electrically connected with the electric push rod, the rod end of the electric push rod is connected with a piston of the hydraulic cylinder, a compression cavity of the hydraulic cylinder is provided with a liquid inlet and outlet interface, the liquid inlet and outlet interface is communicated with the other end of the mixing pipe,

the elastic deformation structure comprises an elastic bag communicated with the mixing cavity, and a cut-off switch is arranged on a pipeline communicated with the mixing cavity.

2. Foaming device according to claim 1, wherein: the electric push rod is characterized by further comprising a base, wherein a V-shaped groove I and a V-shaped groove II are formed in the base, the V-shaped groove I is matched with the appearance of the electric push rod, and the V-shaped groove II is matched with the appearance of the hydraulic cylinder.

3. Foaming device according to claim 1, wherein: the elastic bag is a rubber film bag, and the opening of the rubber film bag is connected with a cut-off switch.

4. Foaming device according to claim 1, wherein: the medicine adding structure is a medicine injection port and a sealing plug for sealing the medicine injection port.

5. Foaming device according to claim 1, wherein: the medicine adds the structure and is an air injection mouth and a medicine bottle, the rubber buffer that the air injection mouth was sealed to be provided with, the medicine bottle is vertical to be fixed on the mixing pipe to communicate with the mixing chamber, and be provided with stop switch on the pipeline that communicates with the mixing chamber.

6. Foaming device according to claim 5, wherein: the top of the medicine bottle is provided with a medicine inlet.

7. Foaming device according to any of the claims 1-6, wherein: the needle handle tip of pjncture needle is provided with the tapered sealing plug that can seal pjncture needle passageway out, the terminal surface middle part of tapered sealing plug is provided with the fixed orifices, the terminal surface middle part of pjncture needle handle be provided with fixed orifices interference fit's dead lever.

8. Foaming device according to any of the claims 1-6, wherein: the electric push rod is provided with a battery box, the power supply is a rechargeable battery arranged in the battery box, the rechargeable battery is connected with the electric push rod through a wire, a control valve is arranged on the communicated wire, a control button is arranged on the battery box, and the control button is electrically communicated with the control valve.

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