CN210844668U

CN210844668U - Medicine load cardiac muscle fills ultrasonic imaging inspection device

Info

Publication number: CN210844668U
Application number: CN201921606966.4U
Authority: CN
Inventors: 费洪文; 李贺智; 谢秋; 许瑞雪
Original assignee: Guangdong General Hospital Guangdong Academy of Medical Sciences
Current assignee: Guangdong General Hospital Guangdong Academy of Medical Sciences
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-06-26
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a drug-loaded myocardial perfusion ultrasonic imaging examination device, which comprises a shell, an oscillation part, a first injection part and a second injection part, wherein the oscillation part is arranged on a myocardial perfusion powder bottle for oscillating, so that contrast powder in the bottle is uniformly mixed; a detection catheter is arranged at the infusion end of the oscillation myocardial perfusion powder bottle, and one end of the detection catheter, which is far away from the oscillation part, is connected with a first valve; one end of the first injection part is connected with a second valve, and the remaining two valve ports of the second valve are respectively connected with an infusion bottle filled with physiological saline and one valve port of the first valve through a conduit; one end of the second injection part is connected with a medicine load through pipe, the rest valve port of the first valve is also connected with a myocardial perfusion through pipe, and the myocardial perfusion through pipe is communicated with the medicine load through pipe; the first injection part can inject the uniformly mixed contrast agent or physiological saline into the drug load through the myocardial perfusion through pipe to be mixed with the drug delivered by the second injection part into a whole, and the drug is delivered into the body of the patient through the same vein of the patient.

Description

Medicine load cardiac muscle fills ultrasonic imaging inspection device

Technical Field

The utility model relates to a medicine load myocardium fills ultrasonic imaging technical field, specifically is a medicine load myocardium fills ultrasonic imaging inspection device.

Background

Drug-loaded myocardial perfusion ultrasound imaging is a common medical approach, and the technology requires the combination of two examination modes: 1. drug loading echocardiography; 2. myocardial perfusion echocardiography; the drug loading echocardiogram is combined with the myocardial perfusion ultrasonic imaging, the drug loading simulates the motion state to expose potential myocardial ischemia, the myocardial perfusion visually expresses the myocardial motion abnormality caused by the myocardial ischemia through perfusion defect or perfusion reduction, the sensitivity and the specificity of diagnosing the myocardial ischemia are increased, and the accuracy of diagnosis is improved;

however, in clinical examinations, there are the following problems in that two examinations are performed at the same time:

firstly, when two inspection medicines are gathered in the same channel and then enter human veins, when the pressure or the speed of one pipeline is too high, the other pipeline enters a vein system to be slowed down or to perform countercurrent imaging, so that the medicine concentration and the inspection effect are influenced;

secondly, some hospitals also adopt two venous channels to separate two examination channels, so as to reduce adverse factors of pipeline competition, but for patients, the patients need to bear the pain and corresponding medical expenses caused by one venous channel.

Thirdly, in the myocardial perfusion echocardiography examination, the medicine is generally injected manually and slowly, so that the rate control is unstable, and the examination effect is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a medicine load myocardium fills ultrasonic imaging inspection device, the device can make two kinds of inspection medicines assemble in same vein passageway, and can prevent that two kinds of liquid in the pipeline from perhaps competing against the current each other, adopts mechanical pump to annotate the myocardium simultaneously and fills the radiography, improves the stability of inspection effect.

(II) technical scheme

A drug-loaded myocardial perfusion ultrasonic imaging examination device comprises a shell, an oscillating part, a first injection part and a second injection part, wherein a first accommodating cavity, a second accommodating cavity and an oscillating cavity are arranged on the shell; the oscillation part is arranged in the oscillation cavity and is used for oscillating the myocardial perfusion powder bottle so as to uniformly mix the contrast powder in the myocardial perfusion powder bottle, the infusion end of the myocardial perfusion powder bottle is connected with a detection catheter, and one end of the detection catheter, which is far away from the oscillation part, is connected with a first valve; the first injection part is arranged in the first accommodating cavity, one end of the first injection part is connected with the second valve, and the two remaining valve ports of the second valve are respectively connected with an infusion bottle filled with liquid medicine and one valve port of the first valve through a conduit; the second injection part is arranged in the second accommodating cavity, one end of the second injection part is connected with a medicine load through pipe, the rest valve port of the first valve is also connected with a myocardial perfusion through pipe, and the myocardial perfusion through pipe is communicated with the medicine load through pipe; the first injection part can inject the uniformly mixed contrast agent or physiological saline into the drug load through the myocardial perfusion through pipe to be mixed with the drug delivered by the second injection part into a whole, and the drug is delivered into the body of the patient through the same vein of the patient.

Preferably, the myocardial perfusion tube and the drug loading tube are both provided with one-way valves to prevent the backflow of the drug caused by different pressures of the tubes.

Preferably, the oscillating part comprises a fixed seat, a rotating rod, a piston rod and a piston seat, the fixed seat is installed in the oscillating cavity, a first motor is further installed at the top of the fixed seat, an output shaft of the first motor is integrally connected with an input end of the rotating rod, an output end of the rotating rod is hinged with a first end of the piston rod, a second end of the piston rod is movably arranged in the piston seat, the piston seat is rotatably arranged on one side of the fixed seat, and the piston seat is further provided with a storage cavity for placing the myocardial perfusion powder bottle; the piston rod is driven to move relative to the piston seat through the first motor, and then the piston seat is driven to rock back and forth.

Preferably, the side surface of the storage cavity is provided with a first open slot so as to conveniently take and place the detection catheter connected with the bottom of the myocardial perfusion powder bottle.

Preferably, the detection conduit is divided into a hose and a hard tube, the hose is communicated with the bottom of the myocardial perfusion powder bottle, one end of the hard tube is communicated with the hose, and the other end of the hard tube is communicated with the first valve; still be equipped with the bubble detector on the casing, and the bubble detector is installed at the hard tube side to whether the air that detects cardiac muscle perfusion powder bottle gets into in the pipeline.

Preferably, the infusion bottle rack further comprises a fixing frame for hanging the infusion bottle, a third accommodating cavity for placing the infusion bottle is further formed in the shell, a clamping groove is formed in an opening of the third accommodating cavity, and the fixing frame is clamped with the clamping groove so as to facilitate taking and placing of the infusion bottle; a second open slot is arranged at the side of the third containing cavity so as to be convenient for taking and putting the infusion catheter connected with the bottom of the infusion bottle.

Preferably, the first and second valves are each a rotary three-way valve controlled by a motor.

Preferably, the first injection part comprises an injector and a power-driven push rod, the injector is detachably mounted on the housing, the power-driven push rod is mounted in the first accommodating cavity, the push rod end of the power-driven push rod is abutted against a driving rod of the injector, and the injector is communicated with the first valve; the driving rod is pushed by the electric push rod to move along the length direction of the injector, so that the injector is controlled to suck and release the medicament.

Preferably, the second injection part has the same structure as the first injection part.

Preferably, resistance monitoring is arranged at the control ends of the electric push rods of the first injection part and the second injection part, so as to improve safety.

(III) advantageous effects

The utility model provides a pair of medicine load myocardium fills ultrasonic imaging inspection device, the device can make two kinds of inspection medicines assemble in same vein passageway, and can prevent that two kinds of liquid in the pipeline from perhaps competing each other against the current, adopts mechanical pump to annotate the myocardium simultaneously and fills the radiography, improves the stability of inspection effect.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of FIG. 1A;

FIG. 3 is a partial schematic structural diagram of the present invention;

FIG. 4 is a schematic view of a part of the structure of the present invention;

FIG. 5 is a schematic view of the oscillating part of the present invention;

fig. 6 shows a cross-sectional view of fig. 5.

In the figure: the device comprises a shell 1, a first accommodating cavity 11, a second accommodating cavity 12, an oscillating cavity 13, a third accommodating cavity 14, a clamping groove 140, an oscillating part 2, a detection catheter 20, a hose 20a, a hard tube 20b, a fixed seat 21, a rotary rod 22, a piston rod 23, a piston seat 24, a storage cavity 240, a first open slot 240a, a first motor 25, a first injection part 3, a myocardial perfusion through pipe 30, an injector 31, an electric push rod 32, a second injection part 4, a drug load through pipe 40, a myocardial perfusion powder bottle Y, an infusion bottle S, a first valve T1, a second valve T2, a one-way valve D, a bubble detector Q and a fixing frame G.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, a drug-loaded myocardial perfusion ultrasonic imaging examination device comprises a housing 1, an oscillating part 2, a first injection part 3 and a second injection part 4, wherein the housing 1 is provided with a first accommodating cavity 11, a second accommodating cavity 12 and an oscillating cavity 13; the oscillation part 2 is arranged in the oscillation cavity 13 and is used for oscillating the myocardial perfusion powder bottle Y so as to uniformly mix the contrast powder in the myocardial perfusion powder bottle Y, a detection catheter 20 is arranged at the infusion end of the myocardial perfusion powder bottle Y, and a first valve T1 is connected at one end of the detection catheter 20 far away from the oscillation part 2; the first injection part 3 is arranged in the first containing cavity 11, one end of the first injection part 3 is connected with a second valve T2, and the other two valve ports of the second valve T2 are respectively connected with one valve port of an infusion bottle S filled with liquid medicine and the first valve T1 through a conduit, and the liquid medicine is physiological saline; the second injection part 4 is arranged in the second accommodating cavity 12, one end of the second injection part 4 is connected with a medicine load through pipe 40, the rest valve port of the first valve T1 is also connected with a myocardial perfusion through pipe 30, and the myocardial perfusion through pipe 30 is communicated with the medicine load through pipe 40; the first injection part 3 can inject the uniformly mixed contrast agent or physiological saline into the drug loading through pipe 40 through the myocardial perfusion through pipe 30 to be mixed with the drug delivered by the second injection part 4 into a whole, and the drug is delivered into the body of the patient through the same vein of the patient.

In conclusion, before the operation, the myocardial perfusion powder bottle Y is arranged on the oscillating part 2, the transfusion bottle S is hung, various catheters are connected, and the physiological saline pre-filling pipeline in the transfusion bag is extracted;

the first stage is as follows: starting the first injection part 3 to withdraw 5ml of physiological saline in the infusion bag, adjusting a first valve T1 and a second valve T2, injecting the physiological saline in the first injection part 3 into the myocardial perfusion powder bottle Y, then adjusting the first valve T1 to close the detection catheter 2021, further disconnecting a connecting channel between the myocardial perfusion powder bottle Y and the first injection part 3, starting the oscillation part 2 to oscillate for 1 minute left and right, if the oscillation is insufficient, properly prolonging the oscillation time, closing the oscillation part 2 before extraction, then readjusting the first valve T1, starting the first injection part 3 to withdraw 2.5ml of the contrast medium solution dissolved in the myocardial perfusion powder bottle Y, then adjusting the first valve T1 and the second valve T2, and injecting the contrast medium into a human body through the myocardial perfusion through pipe 30 at a speed of 1 ml/minute; after the injection, the second three-way connector is adjusted, 10ml of physiological saline is extracted, and then the physiological saline is injected into the human body at the speed of 1 ml/min, so that the first stage is completed, and in the first stage, the second injection part 4 is in a closed state.

And a second stage: because the oscillation part 2 is closed to stop the myocardial perfusion powder bottle Y, part of the contrast powder can be separated out and separated from the normal saline or generate precipitation, the oscillator needs to be started again, the rest 2.5ml of the contrast agent is fully dissolved, the rest 2.5ml of the contrast agent is extracted through the first injection part 3 again, after the extraction of the contrast agent is completed, the first injection part 3 and the second injection part 4 are started simultaneously, the first injection part 3 performs injection according to the speed of 1 ml/min, the second injection part 4 performs injection at a constant speed according to the speed required by the examination, and the contrast is completed until the second stage is completed.

Referring to fig. 1, the myocardial perfusion tube 30 and the drug loading tube 40 are both provided with a check valve D for controlling the flow of the liquid in the myocardial perfusion tube 30 and the drug loading tube 40 to prevent the drug from flowing backwards due to different tube pressures and further affecting the drug in the other channel to enter the body.

Referring to fig. 1-6, the oscillating portion 2 includes a fixing seat 21, a rotating rod 22, a piston rod 23 and a piston seat 24, the fixing seat 21 is installed in the oscillating cavity 13, a first motor 25 is further installed on the top of the fixing seat 21, an output shaft of the first motor 25 is integrally connected with an input end of the rotating rod 22, an output end of the rotating rod 22 is hinged to a first end of the piston rod 23, a second end of the piston rod 23 is movably disposed in the piston seat 24, and the piston seat 24 is rotatably disposed on one side of the fixing seat 21, so that the rotating rod 22 is driven to rotate by the first motor 25, the piston rod 23 is driven to move relative to the piston seat 24, and finally the piston seat 24; the piston seat 24 is also provided with a storage cavity 240 for placing the myocardial perfusion powder bottle Y; when the device is used, the myocardial perfusion powder bottle Y is placed in the storage cavity 240, and the contrast agent powder in the myocardial perfusion powder bottle Y can be fully mixed with the physiological saline by starting the first motor 25.

Referring to fig. 5-6, the bottom of the myocardial perfusion powder bottle Y is connected to the detecting catheter 20, and the side of the storage cavity 240 is provided with a first open slot 240a, so that a doctor can replace the myocardial perfusion powder bottle Y when using the device; considering that the detection catheter 20 connected to the bottom of the myocardial perfusion powder bottle Y is inconvenient to take and place and affects the replacement of the myocardial perfusion powder bottle Y, in order to replace the myocardial perfusion powder bottle Y more quickly, the first opening groove 240a for routing the detection catheter 20 is designed.

Referring to fig. 4, the detecting tube 20 is divided into a flexible tube 20a and a rigid tube 20b, the flexible tube 20a is connected to the bottom of the myocardial perfusion powder bottle Y, one end of the rigid tube 20b is connected to the flexible tube 20a, and the flexible tube 20a is designed to prevent the normal transportation of the detecting tube 20 from being affected when the myocardial perfusion powder bottle Y shakes; the other end is communicated with a first valve T1; still be equipped with bubble detector Q on casing 1, and bubble detector Q installs at hard tube 20b side, in whether the air that pours into powder bottle Y into through the myocardium of detection of bubble monitor gets into the pipeline to guarantee to take out the contrast medium solution to the greatest extent and not take out the pipeline with the air in the bottle.

Referring to fig. 1-3, the infusion bottle holder further comprises a fixing frame G for hanging the infusion bottle S, a third accommodating cavity 14 for placing the infusion bottle S is further arranged inside the housing 1, a clamping groove 140 is arranged at an opening of the third accommodating cavity 14, and the fixing frame G is clamped with the clamping groove 140 so as to conveniently take and place the infusion bottle S; the side of the third containing cavity 14 is also provided with a second open slot 14a for routing the infusion tube at the bottom of the liquid supply bottle, so that the user can replace the infusion bottle S conveniently.

Referring to fig. 3 to 4, the first valve T1 and the second valve T2 are rotary three-way valves controlled by a motor, and a user can control the opening and closing of the ports of the first valve T1 and the second valve T2 by controlling the rotation direction of the motor.

Referring to fig. 1-4, the first injection part 3 includes an injector 31 and an electric push rod 32, the injector 31 is detachably mounted on the housing 1, the electric push rod 32 is mounted in the first accommodating cavity 11, a push rod end of the electric push rod 32 abuts against a driving rod of the injector 31, and the injector is communicated with the first valve; so that the driving rod is pushed by the electric push rod 32 to move along the length direction of the injector 31, thereby controlling the injector 31 to suck and release the medicament; the second injection part 4 has the same structure as the first injection part 3.

Referring to fig. 3, resistance monitoring is arranged at the control ends of the electric push rods 32 of the first injection part 3 and the second injection part 4, when a screw rod motor for pumping injection meets resistance, the current is increased, the injection can be automatically stopped, and the safety is improved.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A drug-loaded myocardial perfusion ultrasound imaging examination apparatus, comprising:

the vibration damping device comprises a shell (1), wherein a first accommodating cavity (11), a second accommodating cavity (12) and an oscillating cavity (13) are arranged on the shell (1);

the oscillation part (2) is arranged in the oscillation cavity (13) and is used for oscillating the myocardial perfusion powder bottle (Y) so as to uniformly mix the contrast powder in the oscillation myocardial perfusion powder bottle (Y), the infusion end of the oscillation myocardial perfusion powder bottle (Y) is connected with a detection catheter (20), and one end, far away from the oscillation part (2), of the detection catheter (20) is connected with a first valve (T1);

the first injection part (3) is arranged in the first accommodating cavity (11), one end of the first injection part (3) is connected with a second valve (T2), and the rest two valve ports of the second valve (T2) are respectively connected with one valve port of an infusion bottle (S) filled with liquid medicine and the first valve (T1) through a conduit;

the second injection part (4) is arranged in the second accommodating cavity (12), one end of the second injection part (4) is connected with a medicine load through pipe (40), the rest valve port of the first valve (T1) is also connected with a myocardial perfusion through pipe (30), and the myocardial perfusion through pipe (30) is communicated with the medicine load through pipe (40);

the first injection part (3) can inject the uniformly mixed contrast agent or physiological saline into the drug load through pipe (40) through the myocardial perfusion through pipe (30) to be mixed with the drug delivered by the second injection part (4) into a whole, and the drug is delivered into the body of the patient through the same vein of the patient.

2. The apparatus of claim 1, wherein the myocardial perfusion tube (30) and the drug-loaded tube (40) are each provided with a check valve (D) to prevent backflow of the drug due to different pressures in the tubes.

3. The drug-loaded myocardial perfusion ultrasonic imaging examination device of claim 1, wherein the oscillating portion (2) comprises a fixed seat (21), a rotating rod (22), a piston rod (23) and a piston seat (24), the fixed seat (21) is installed in the oscillating chamber (13), a first motor (25) is further installed on the top of the fixed seat (21), an output shaft of the first motor (25) is integrally connected with an input end of the rotating rod (22), an output end of the rotating rod (22) is hinged with a first end of the piston rod (23), a second end of the piston rod (23) is movably arranged in the piston seat (24), the piston seat (24) is rotatably arranged on one side of the fixed seat (21), and a storage chamber (240) for storing a myocardial perfusion powder bottle (Y) is further arranged on the piston seat (24);

the piston rod (23) is driven to move relative to the piston seat (24) by the first motor (25), and then the piston seat (24) is driven to shake back and forth.

4. The apparatus for ultrasonic imaging examination of myocardial perfusion under drug loading according to claim 3, wherein the side of the storage chamber (240) is provided with a first open slot (240a) to facilitate the access of the detection catheter (20) connected to the bottom of the myocardial perfusion powder bottle (Y).

5. The apparatus for ultrasonic imaging examination of myocardial perfusion under drug load according to claim 4, wherein the detecting tube (20) is divided into a flexible tube (20a) and a rigid tube (20b), the flexible tube (20a) is connected to the bottom of the myocardial perfusion powder bottle (Y), one end of the rigid tube (20b) is connected to the flexible tube (20a), and the other end is connected to the first valve (T1); still be equipped with bubble detector (Q) on casing (1), and bubble detector (Q) installs at hard tube (20b) side to whether the air that detects in the myocardium perfusion powder bottle (Y) gets into in the pipeline.

6. The ultrasonic imaging examination device for drug-loaded myocardial perfusion according to claim 1, further comprising a fixing frame (G) for hanging an infusion bottle (S), wherein a third accommodating cavity (14) for placing the infusion bottle (S) is further arranged inside the housing (1), a clamping groove (140) is arranged at an opening of the third accommodating cavity (14), and the fixing frame (G) is clamped with the clamping groove (140) so as to facilitate taking and placing of the infusion bottle (S); a second open slot (14a) is arranged beside the third containing cavity (14) so as to be convenient for taking and placing the infusion catheter connected with the bottom of the infusion bottle (S).

7. The drug-loaded myocardial perfusion ultrasonic imaging examination device of claim 1, wherein the first valve (T1) and the second valve (T2) are both rotary three-way valves controlled by a motor.

8. The drug-loaded myocardial perfusion ultrasonic imaging examination device of claim 1, characterized in that the first injection part (3) comprises an injector (31) and a power push rod (32), the injector (31) is detachably mounted on the housing (1), the power push rod (32) is mounted in the first accommodating cavity (11), the push rod end of the power push rod (32) is abutted against a drive rod of the injector (31), and the injector is communicated with the first valve; the driving rod is pushed by the electric push rod (32) to move along the length direction of the injector (31), so that the injector (31) is controlled to suck and release the medicament.

9. The drug-loaded myocardial perfusion ultrasonic imaging examination device of claim 8, characterized in that the second injection part (4) and the first injection part (3) have the same structure.

10. The drug-loaded myocardial perfusion ultrasonic imaging examination device of claim 9, wherein the control ends of the electric push rods (32) of the first injection part (3) and the second injection part (4) are provided with resistance monitoring for improving safety.