CN107929870B - Single cylinder double tube imaging device - Google Patents

Abstract

The invention relates to the technical field of medical equipment and discloses a single-cylinder double-tube imaging device, which includes a base and a casing. The front and right sides of the base are respectively provided with fixing seats. The top of the fixing seat is provided with an arc groove. There is a clamping hole on the top of the groove, a concave hole on the outside of the arc groove, and a clamping shaft on the bottom of the concave hole. A spring is embedded on the outside of the clamping shaft. The top of the spring is fixedly connected to the movable clamping position. The first syringe and the second syringe are respectively Inlaid in the arc grooves on the front and right side of the base, the first piston handle and the second piston handle of the first syringe and the second syringe are respectively inlaid in the second clamping groove and the first clamping slot, and the first clamping plate The piston rod and the return spring are respectively connected to the other side of the second clamping plate, and a control panel is provided on the top of the shell. This single-cylinder double-tube imaging device has the ability to automatically combine the contrast agent with air to form uniform and stable contrast agent microbubbles, improving Advantages of inspection efficiency and inspection accuracy.

Description

Single cylinder double tube imaging device

Technical field

The invention relates to the technical field of medical equipment, specifically a single-cylinder dual-tube imaging device.

Background technique

The echocardiographic contrast-acoustic imaging project is based on the cardiac color ultrasound examination and injects contrast agent into the patient's blood vessels to observe the patient's intracardiac and intrapulmonary shunts, enhance Doppler signals, and enhance the display of the endocardial border. In the existing technology, manual operations by medical staff are required when preparing and injecting contrast agents. However, manual operations are affected by factors such as operator instability, insufficient strength, and time delays, resulting in slow efficiency and high human resource costs. , poor imaging effect, etc. In addition to manual operation, a vibrometer can also be used to process the contrast agent using ultrasonic waves. Although the microbubbles produced by the contrast agent can meet the imaging requirements, the instrument is expensive and requires a specific contrast agent. The medical cost is high. Only A very small number of hospitals have the conditions to purchase it, and it is currently only used in scientific research. The existence of the above factors makes it difficult for this examination item to be widely promoted in clinical examinations. Therefore, there is a need to develop a single-cylinder dual-tube imaging device.

Contents of the invention

(1) Technical problems solved

In view of the shortcomings of the existing technology, the present invention provides a single-cylinder double-tube contrast device, which has the advantages of simple structure, convenient operation, automatic combination of contrast agent and air to form uniformly sized and stable contrast agent microbubbles, and solves the problem of using The vibrosonometer uses ultrasonic waves to sonicate the contrast agent to form contrast microbubbles, which leads to the problem of high medical costs.

(2) Technical solutions

In order to achieve the above object, the present invention provides the following technical solution: a single-cylinder double-tube imaging device, including a base, a fixed seat, a first syringe, a second syringe, a movable clamping position, a medical three-way joint, a cylinder, and a five-way solenoid valve. , air pump, shell, control panel, the front and right sides of the base are respectively equipped with fixed seats, the top of the fixed seat is provided with an arc groove, the top of the arc groove is provided with a card hole, and the outside of the arc groove is provided with a concave hole , there is a clamping shaft at the bottom of the concave hole, and a spring is embedded on the outside of the clamping shaft. The top of the spring is fixedly connected to the movable clamping position. The first syringe and the second syringe are respectively embedded in the arc grooves on the front and right side of the base. , the first piston handle and the second piston handle of the first syringe and the second syringe are respectively embedded in the second card groove and the first card groove, and the first card groove and the second card groove are respectively provided on the first card plate and the second card plate. In the two clamping plates, the other sides of the first clamping plate and the second clamping plate are respectively connected to the piston rod and the return spring. The piston rod is a component of the cylinder, and the other end of the return spring is connected to the fixed block. There is a five-way electromagnetic on the left side of the cylinder. valve, there is an air pump on the left side of the five-way solenoid valve, and a battery is installed on the left side of the air pump. The shell is nested above and outside the base, and a control panel is installed on the top of the shell.

Preferably, the bottom of the spring is connected to the clamping shaft, and the spring can rotate ninety degrees around the clamping shaft.

Preferably, the top of the movable locking position is arc-shaped, and the diameter of the arc is equal to the diameter of the first syringe and the second syringe.

Preferably, the first limiting block and the second limiting block on the top of the first syringe and the second syringe are respectively embedded in the holes on the front and right side of the base with an interference fit.

Preferably, the front and right sides of the housing are provided with through slots, one end of the through slot is provided with a through hole, and the rear side of the housing is provided with a ventilation hole and a power socket.

Preferably, the injection ends of the first syringe and the second syringe are both provided with threads, and the injection ends of the first syringe and the second syringe are respectively connected to the first interface and the second interface of the medical tee joint.

Preferably, the medical three-way joint can be adjusted by a rotary switch to form two paths. The first one is: the first interface and the second interface are opened, and the third interface is closed; the second one is: the first interface is closed, The second interface and the third interface are opened.

Preferably, the air delivery end of the air pump is connected to the air inlet end of the five-way solenoid valve, and the air outlet end of the five-way solenoid valve is connected to the air inlet end of the cylinder.

Preferably, the power input end of the air pump is connected to the power output end of the control panel, and the air pump controls its motor operation through a pressure switch installed on itself to keep the air pressure in the tank of the air pump at a stable state.

Preferably, the power input end of the control panel is connected to the power socket. There is also a single-chip microcomputer at the bottom of the control panel. The control power output end of the single-chip microcomputer is connected to the power input end of the five-way solenoid valve. The single-chip microcomputer controls the corresponding actions of the five-way solenoid valve according to the control signal.

(3) Beneficial effects

Compared with the existing technology, the present invention provides a single-cylinder dual-tube imaging device, which has the following beneficial effects:

This single-cylinder dual-tube radiography device is connected through the structure between the cylinder, the return spring, and the medical tee joint, and then drives the second piston handle of the second syringe to expand and contract through the piston rod of the cylinder, thus avoiding the need for manual control of the radiography syringe. It solves the problem of unstable holding, and at the same time, through simple structure and convenient operation, it can replace the expensive instrument and high medical cost of vibrometer, automatically combine the contrast agent with air to form uniform and stable contrast agent microbubbles, and optimize the examination. process to improve inspection efficiency and accuracy.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

Figure 1 is a schematic diagram of the internal structure of the present invention;

Figure 2 is a schematic diagram of the external structure of the present invention;

Figure 3 is a schematic structural diagram of the base of the present invention;

Figure 4 is a schematic structural diagram of the housing of the present invention;

Figure 5 is a top view of the present invention in a state where the piston rod is extended and the return spring is contracted;

Figure 6 is a top view of the piston rod contracted and the return spring extended and restored according to the present invention;

Figure 7 is a schematic diagram of the cylinder of the present invention;

Figure 8 is a schematic structural connection diagram of the fixed block, return spring and second clamping plate of the present invention;

Figure 9 is a schematic structural diagram of the medical tee joint of the present invention;

Figure 10 is a cross-sectional view of the structure between the movable clamping position, the spring and the fixed base of the present invention;

Figure 11 is a schematic diagram of the system of the present invention.

In the picture: 1-base, 2-fixed seat, 21-concave hole, 22-card shaft, 23-spring, 24-arc groove, 25-card hole, 3-first syringe, 31-first limit Block, 32-first piston handle, 4-second syringe, 41-second limit block, 42-second piston handle, 5-movable clamping position, 6-medical tee joint, 61-first interface, 62 -Second interface, 63-third interface, 7-rotary switch, 9-cylinder, 91-piston rod, 92-first clamping plate, 93-first clamping slot, 10-five-way solenoid valve, 11-air pump, 12-battery, 13-fixing block, 131-return spring, 132-second card plate, 133-second card slot, 14-casing, 141-through slot, 142-through hole, 15-control panel, 16-ventilation hole, 17-power socket.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Please refer to the accompanying drawings. The present invention provides a technical solution: a single-cylinder dual-tube imaging device, including a base 1, a fixed base 2, a first syringe 3, a second syringe 4, a movable clamping position 5, and a medical tee joint 6 , cylinder 9, five-way solenoid valve 10, air pump 11, shell 14, control panel 15, the front and right sides of the base 1 are respectively provided with fixed seats 2, the top of the fixed seat 2 is provided with an arc groove 24, and the arc concave The top of the groove 24 is provided with a clamping hole 25, and the outer side of the arc groove 24 is provided with a concave hole 21. The bottom of the concave hole 21 is provided with a clamping shaft 22. A spring 23 is embedded on the outside of the clamping shaft 22, and the top of the spring 23 is fixedly connected to the movable clamping position. 5. The first syringe 3 and the second syringe 4 are respectively embedded in the arc grooves 24 on the front and right sides of the base 1. The first piston handle 32 and the second piston of the first syringe 3 and the second syringe 4 The handle 42 is respectively embedded in the second card slot 133 and the first card slot 93. The first card slot 93 and the second card slot 133 are respectively provided in the first card plate 92 and the second card plate 132. The first card plate 92 The other side of the second clamping plate 132 is connected to the piston rod 91 and the return spring 131 respectively. The piston rod 91 is a component of the cylinder 9. The other end of the return spring 131 is connected to the fixed block 13. Both the fixed block 13 and the return spring 131 are replaceable. , to prevent the return spring 131 from being fatigued after being used for a long time and thus affecting the pushing effect of the first piston handle 32. There is a five-way solenoid valve 10 on the left side of the cylinder 9, and an air pump 11 is provided on the left side of the five-way solenoid valve 10. The air pump 11 is on the left A battery 12 is provided on the side, a housing 14 is nested above and outside the base 1, and a control panel 15 is provided on the top of the housing 14.

The bottom of the spring 23 is connected to the clamping shaft 22, and the spring 23 can rotate ninety degrees around the clamping shaft 22, so that the movable clamping position 5 can be rotated.

The top of the movable latching position 5 is arc-shaped, and the arc diameter is equal to the diameter of the first syringe 3 and the second syringe 4. When the first syringe 3 and the second syringe 4 are replaced with new ones, the movable latching position 5 rotates ninety degrees. The movable latching position 5 is parallel to the first syringe 3 and the second syringe 4 respectively. When the new first syringe 3 and the second syringe 4 are replaced, the movable latching position 5 rotates ninety degrees, and the movable latching position 5 is parallel to the first syringe 3 and the second syringe 4 respectively. The syringe 3 and the second syringe 4 are vertical, so that the top of the movable locking position 5 can press and fix the tops of the first syringe 3 and the second syringe 4 to prevent the first syringe 3 and the second syringe 4 from loosening during injection.

The first limiting block 31 and the second limiting block 41 on the top of the first syringe 3 and the second syringe 4 are respectively interference-fitted and embedded in the card holes 25 on the front and right sides of the base 1 .

The front and right sides of the housing 14 are provided with through slots 141. One end of the through slot 141 is provided with a through hole 142. The rear side of the housing 14 is provided with a ventilation hole 16 and a power jack 17 to facilitate the normal ventilation operation of the air pump 11.

The injection ends of the first syringe 3 and the second syringe 4 are both provided with threads, and the injection ends of the first syringe 3 and the second syringe 4 are connected to the first interface 61 and the second interface 62 of the medical tee joint 6 .

The medical three-way joint 6 can be adjusted by the rotary switch 7 to form two channels. The first one is: the first interface 61 and the second interface 62 are opened, and the third interface 63 is closed, that is, the first syringe 3 and the second syringe 4 A loop is formed so that the air passing through the first syringe 3 and the contrast medium in the second syringe 4 are mixed to form contrast medium microbubbles before the contrast medium is injected into the patient's vein end; the second method is: the first interface 61 is closed and the second interface 62 is opened to the third interface 63, that is, the second syringe 4 and the third interface 63 form a loop, and the third interface 63 is connected to the patient's intravenous injection end through an infusion tube and an infusion needle, and then the contrast agent synthesized in the second syringe 4 is Microbubbles are injected into the patient's veins to facilitate subsequent angiographic examinations.

The air delivery end of the air pump 11 is connected to the air inlet end of the five-way solenoid valve 10, and the air outlet end of the five-way solenoid valve 10 is connected to the air inlet end of the cylinder 9. The air pump 11 first provides gas power to the cylinder 9 through the five-way solenoid valve 10.

The power input end of the air pump 11 is connected to the power output end of the control panel 15, and the air pump 11 controls its motor operation through a pressure switch installed on itself, so that the air pressure in the tank of the air pump 11 is maintained in a stable state, and the start of the air pump 11 is controlled through the control panel 15 or close.

The power input end of the control panel 15 is connected to the power socket 17. There is also a single-chip microcomputer at the bottom of the control panel 15. The control power output end of the single-chip computer is connected to the power input end of the five-way solenoid valve 10. The single-chip computer controls the corresponding actions of the five-way solenoid valve 10 according to the control signal. Action, under the action of the control panel 15, the single-chip microcomputer controls the second solenoid coil on the five-way solenoid valve 10 itself to be energized, and under the action of the internal components of the five-way solenoid valve 10, the lower end of the five-way solenoid valve 10 exhausts The pipe will output the compressed air input by the air pump 11 into the lower part of the cylinder tube of the cylinder 9. The piston rod 91 of the cylinder 9 drives the first clamping plate 92 to shrink inward, and the first clamping plate 92 in turn drives the second piston handle 42 to push backward. , increasing the distance from the second syringe 4, the air in the upper part of the piston rod 91 of the cylinder 9 is discharged into the air through the upper exhaust pipe of the five-way solenoid valve 10, thereby sucking the air in the first syringe 3 into the second syringe 4 Inside, the contrast agent microbubbles are formed; under the action of the control panel 15, the single-chip microcomputer controls the first solenoid coil on the five-way solenoid valve 10 itself to be energized, and under the action of the internal components of the five-way solenoid valve 10, the five-way The upper exhaust pipe of the solenoid valve 10 will output the compressed air input by the air pump 11 into the upper part of the cylinder tube of the cylinder 9. The piston rod 91 of the cylinder 9 drives the first clamping plate 92 to push out, and the first clamping plate 92 in turn drives the second clamping plate 92. The piston handle 42 is pushed forward to shorten the distance from the second syringe 4. The air at the lower part of the piston rod 91 of the cylinder 9 is discharged into the air through the lower end exhaust pipe of the five-way solenoid valve 10, thereby discharging the contrast agent in the second syringe 4. Mix with the air in the first syringe 3 to form contrast medium microbubbles or inject the subsequent contrast medium microbubbles formed in the second syringe 4 into the patient's vein end.

When in use, the first syringe 3 and the second syringe 4 are respectively loaded with 1ml of air and 8ml of contrast agent. The control panel 15 has buttons to control the frequency, number and speed of the extension and contraction of the piston rod 91 of the cylinder 9. After starting Before, manually turn the rotary switch 7 to adjust the circuit between the first syringe 3 and the second syringe 4, press the start button of the air pump 11 and the five-way solenoid valve 10 on the control panel 15, and the first card connected to the piston rod 91 The plate 92 drives the second piston handle 42 to extend and contract 20 times. The air in the first syringe 3 and the contrast agent in the second syringe 4 are fully dissolved and form contrast agent microbubbles, and finally all are transferred to the second syringe 4 , then manually turn the rotary switch 7 to adjust the loop between the second syringe 4 and the third interface 63. The third interface 63 is then connected to the patient's intravenous injection end through the infusion tube and infusion needle, and finally the air pump 11 is slowly controlled by the microcontroller. Gas is generated, and the piston rod 91 of the cylinder 9 is slowly pushed out to slowly inject the contrast agent microbubbles in the second syringe 4 into the patient's body. When the contrast agent microbubbles are slowly injected into the patient's body, the piston rod 91 stops to facilitate subsequent imaging. Project inspection.

In particular, the single-cylinder double-tube imaging device is also equipped with a battery 12 inside, in which the power input end of the battery 12 is connected to the power socket 17, the power output end of the battery 12 is connected to the power input end of the control panel 15, and when the piston rod 91 extends when the piston rod 91 contracts, the return spring 131 is in an extended recovery state.

To sum up, this single-cylinder double-tube angiography device is connected through the structure between the cylinder, the return spring, and the medical tee joint, and then drives the second piston handle of the second syringe to expand and contract through the piston rod of the cylinder, thereby avoiding manual labor. Controlling contrast syringes often has the problem of unstable holding. At the same time, through simple structure and convenient operation, it can replace the expensive vibrometer and high medical cost, and automatically combine the contrast agent with air to form a uniform and stable contrast agent. Microbubbles optimize the examination process, improve examination efficiency and accuracy, and solve the problem of high medical costs caused by the use of a vibroacoustic instrument to vibrate the contrast agent through ultrasound to form contrast microbubbles.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations are mutually exclusive. any such actual relationship or sequence exists between them. Furthermore, the terms "comprises," "comprises," or any other variations thereof are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that includes a list of elements includes not only those elements, but also those not expressly listed other elements, or elements inherent to the process, method, article or equipment. Without further limitation, an element defined by the statement "comprises a..." does not exclude the presence of additional identical elements in a process, method, article, or apparatus that includes the stated element.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes, modifications, and substitutions can be made to these embodiments without departing from the principles and spirit of the invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (8)

1. The utility model provides a two radiography devices of single cylinder, includes base (1), fixing base (2), first syringe (3), second syringe (4), activity screens (5), medical three way connection (6), cylinder (9), five solenoid valve (10), air pump (11), shell (14), control panel (15), its characterized in that: the utility model discloses a magnetic valve, including base (1), right flank, fixed seat (2) top is equipped with circular arc recess (24), circular arc recess (24) top is equipped with draw-in hole (25), circular arc recess (24) outside is equipped with shrinkage pool (21), shrinkage pool (21) bottom is equipped with clamping axle (22), spring (23) are inlayed in the cover in clamping axle (22) outside, movable screens (5) are being connected on spring (23) top, first syringe (3), second syringe (4) are inlayed respectively in circular arc recess (24) of base (1) front and right flank, first syringe (3) and first piston handle (32) of second syringe (4), second piston handle (42) are inlayed respectively in second draw-in groove (133) and first draw-in groove (93), first draw-in groove (93) and second draw-in groove (133) set up respectively in first cardboard (92) and second cardboard (132), first cardboard (92) and second cardboard (132) are connected (91) another flank respectively in base (1) front and right flank, first syringe (3) and second syringe (132) are inlayed respectively in first piston handle (32) of first syringe (4), the other end (42) are inlayed respectively in second draw-in groove (133) and first draw-in groove (93), the other end (13) is equipped with magnetic valve (13), the air pump (11) is arranged on the left side of the five-way electromagnetic valve (10), the storage battery (12) is arranged on the left side of the air pump (11), the shell (14) is sleeved outside the upper side of the base (1), the top of the shell (14) is provided with a control panel (15), the injection ends of the first injector (3) and the second injector (4) are respectively provided with threads, the injection ends of the first injector (3) and the second injector (4) are respectively connected with a first interface (61) and a second interface (62) of the medical three-way joint (6), the medical three-way joint (6) can be adjusted to form two paths through the rotary switch (7), and the first one is that: the first interface (61) and the second interface (62) are opened, and the third interface (63) is closed; the second is: the first interface (61) is closed, and the second interface (62) and the third interface (63) are opened.

2. The single cylinder dual tube contrast device of claim 1, wherein: the bottom of the spring (23) is connected with the clamping shaft (22), and the spring (23) can rotate ninety degrees around the clamping shaft (22).

3. The single cylinder dual tube contrast device of claim 1, wherein: the top of the movable clamping position (5) is arc-shaped, and the diameter of the arc is equal to that of the first injector (3) and the second injector (4).

4. The single cylinder dual tube contrast device of claim 1, wherein: the first limiting block (31) and the second limiting block (41) at the tops of the first injector (3) and the second injector (4) are respectively embedded in the clamping holes (25) on the front face and the right side face of the base (1) in an interference fit mode.

5. The single cylinder dual tube contrast device of claim 1, wherein: the front and right sides of the shell (14) are respectively provided with a through groove (141), one end of each through groove (141) is provided with a through hole (142), and the rear side of the shell (14) is provided with a vent hole (16) and a power socket (17).

6. The single cylinder dual tube contrast device of claim 1, wherein: the air pump (11) is connected with the air inlet end of the five-way electromagnetic valve (10), and the air outlet end of the five-way electromagnetic valve (10) is connected with the air inlet end of the air cylinder (9).

7. The single cylinder dual tube contrast device of claim 1, wherein: the power input end of the air pump (11) is connected with the power output end of the control panel (15), and the air pump (11) controls the motor to work through a pressure switch arranged on the air pump, so that the air pressure in the tank body of the air pump (11) is kept in a stable state.

8. The single cylinder dual tube contrast device of claim 1, wherein: the control panel (15) power input end is connected with the power socket (17), the bottom of the control panel (15) is also provided with a singlechip, the singlechip controls the power output end to be connected with the power input end of the five-way electromagnetic valve (10), and the singlechip controls the corresponding action of the five-way electromagnetic valve (10) according to the control signal.