CN209253779U - A kind of automatic opacifying injection device - Google Patents

Abstract

The utility model discloses a kind of automatic opacifying injection device, and including the first boss seat and second boss seat being set on pedestal, first boss seat is equipped with the first arc groove and the first clamping groove, and second boss seat is equipped with the second arc groove and the second clamping groove；First injection tube is housed in the first arc groove, and the second injection tube is housed in the second arc groove, and the injection head of the first injection tube and the second injection tube is vertically opposite；Medical tee joint includes the first, second, and third interface, and first interface is connect with the injection head of the first injection tube, and second interface is connect with the injection head of the second injection tube, and third interface connects a Transfusion needle pipe；First straight line motor slide rails slide unit and second straight line motor slide rails slide unit are both secured on pedestal；One end of one injecting mechanism is connect with the sliding block of first straight line motor slide rails slide unit, and the other end is connect with first piston handle, and one end of another injecting mechanism is connect with the sliding block of second straight line motor slide rails slide unit, and the other end is connect with second piston handle.

Description

A kind of automatic opacifying injection device

Technical field

The utility model relates to technical field of medical equipment, the automatic opacifying injection of specially cardiovascular right heartfelt wishes is filled It sets.

Background technique

Conventional Ultrasound cardiogram energy efficient diagnosis left to right shunt disease at present can intuitively show rising for abnormal blood flow Source, flow direction and flow velocity, sensibility is high, but then sensibility is lower when showing micro right-left shunt.Right heartfelt wishes contrast examination More detailed right-left shunt information can be provided, especially shunted extremely in intracardiac structure (acleistocardia etc.) and intrapulmonary There is important diagnostic value in diagnosis, dissection abundant and haemodynamics information can be provided for clinic.

It is 10 microns of Contrast agent bubbles >, about 15 microns average through peripheral intravenous injection contrast agent when right heart acoustic contrast, It cannot not can enter a left side by pulmonary capillaries net and feel concerned about system.Simultaneously because microvesicle is with blood, there are obvious acoustic impedance differences, even if Individual microvesicles (the micro blood flow of low speed) also can clearly be shown, then according to development sequence, approach and time to certain structures and blood Throat floater makes diagnosis and differential diagnosis.

Currently used contrast agent is oscillation physiological saline microvesicle, two syringes is connected by medical threeway, wherein one A syringe loads physiological saline 9ml, another loads air 1ml, and medical staff alternately pushes two syringes manually, will give birth to Salt-water Oscillator is managed into milky contrast agent microbubble, this method generate bubble velocity is fast, bubble is intensive, economy, safety, without obvious The advantages that side effect.But there is also many deficiencies for the operation: 1) push of syringe alternating is obstructed larger, is easy to cause medical care people When member's both hands fatigue, especially multiple injection or more patient's amount, causes contrast agent microbubble to be formed not up to standard, influence sentencing for diagnosis It is disconnected；2) operation technique has different between different medical workers, and especially women medical worker hand-power gas is less than normal, is easy fatigue, holds Syringe is unstable, be easy to cause syringe fall off or contrast agent microbubble formed it is not up to standard；3) not due to operator's qualification Together, injection speed has differences, and cannot achieve standardization, stability operation.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides automatic opacifying injection device, has automation for radiography The advantages of agent forms contrast agent microbubble injection uniform in size and stable into the human body in conjunction with air, realizes the mark of ultrasonic contrast Standardization and stability operation.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions: a kind of automatic opacifying injection device, feature Be, including pedestal, the first syringe, the second syringe, Medical tee joint, Transfusion needle pipe, first straight line motor slide rails slide unit and Second straight line motor slide rails slide unit, injecting mechanism and control device,

The pedestal is equipped with first boss seat and second boss seat, and the first boss seat is equipped with the first arc groove and the One clamping groove, the second boss seat are equipped with the second arc groove and the second clamping groove；First syringe includes the first injection Cylinder and first piston handle, the cylinder of first injection tube is housed in the first arc groove, and cylinder checkpost is into the first clamping groove；Institute Stating the second syringe includes the second injection tube and second piston handle, and the cylinder of second injection tube is housed in the second arc groove Interior, cylinder checkpost is into the second clamping groove, wherein the injection head of the first injection tube and the second injection tube is vertically opposite；It is described medical Threeway, including first interface, second interface and third interface, wherein first interface is connect with the injection head of the first syringe, the Two interfaces are connect with the injection head of the second syringe, and third interface connects a Transfusion needle pipe；The first straight line motor slide rails Slide unit and second straight line motor slide rails slide unit, are both secured on pedestal；There are two the injecting mechanism is total, one of them injects machine One end of structure is connect with the sliding block of first straight line motor slide rails slide unit, and the other end is connect with first piston handle, another injects machine One end of structure is connect with the sliding block of second straight line motor slide rails slide unit, and the other end is connect with second piston handle；The control device Signal output end and the first straight line motor slide rails slide unit and second straight line motor slide rails slide unit be electrically connected, to control the One linear motor guide rail slide unit and second straight line motor slide rails slide unit respectively drive the first injection tube and first piston handle along its axis Line linear movement.

Preferably, which further includes threeway driving mechanism, and the threeway driving mechanism includes threeway Fixing seat, motor and threeway drive block, the threeway fixing seat are fixed on pedestal, are equipped with interface container and through-hole；It is described Threeway driving motor is fixed on threeway fixing seat lower end and is embedded in pedestal；Threeway drive block lower end is equipped with and threeway The interconnecting piece of the output axis connection of driving motor, upper end are equipped with " ten " word boss；The rotary body bottom of the Medical tee joint is equipped with " ten " the word groove being adapted to " ten " word boss, three interfaces and interface container of the Medical tee joint are clamped, the interface There are three container is total, the two sides of each interface container are equipped with steel ball hole, and a steel ball is equipped in the steel ball hole, described Equipped with third compressed spring so that three interfaces of steel ball clamping Medical tee joint, rotary body pass through logical between steel ball and steel ball hole Hole, " ten " word groove and " ten " word boss are socketed, and the threeway driving motor and control device signal output end are electrically connected, Control device controls the driving threeway drive block rotation of threeway driving motor.

Further, the injecting mechanism includes injecting link block and clamp system, and the clamp system includes left clamping The middle part of part, right clamping element, shaft and torque spring, the left clamping element and right clamping element is rotatablely connected and is formed by shaft Scissor state is covered in shaft with clamp or release first piston handle and second piston handle, the torque spring, and one end with Left clamping element connection, the other end are connect with right clamping element, and the shaft is fixedly connected with the one end for injecting link block, injects connection The one end of block far from shaft is connect with the sliding block of first straight line motor slide rails slide unit and second straight line motor slide rails slide unit respectively.

Further, first injection tube and the second injection tube side are equipped with a rotation fastener, described two rotations Turn fastener to be fixed on first boss seat and second boss seat by contour screw respectively to compress the first injection tube and respectively Two injection tubes are equipped with second compressed spring between the boss and rotation fastener inside of the contour screw, so that revotating card Part can elastic stretching and 360 ° of the axis rotations around contour screw up and down.

Further, first interface is connect with the injection head of the first syringe by hose, second interface and the second injection The injection head of device is connected by hose, and described two rotation fastener lower ends are equipped with a displacement sensor, described two displacements Sensor is individually fixed on first boss seat and second boss seat, described two rotation fasteners compress respectively the first injection tube and Across the induction region of displacement sensor, the signal input part electrical property of institute's displacement sensors and control device when the second injection tube Connection is feeding back inductive signal in control device.

Preferably, which further includes occlusion detection module, and the occlusion detection module includes first Fixing seat, the second fixed block, Hall pressure sensor, circuit board, feeler lever, the first compressed spring and briquetting；Described first is fixed Seat is fixed on pedestal, and is equipped with the first pilot hole and the first container, and second fixed block is connect with the first fixing seat, and Equipped with second pilot hole and second container concentric with the first pilot hole；The Hall pressure sensor, is welded on circuit board On, the circuit board connect with the second fixed block and is placed in Hall pressure sensor in the second container, the circuit board with The signal input part of control device is electrically connected to feed back inductive signal in control device；The feeler lever and the first pilot hole Be slidably connected with the second pilot hole, one end stretch out the first pilot hole, the other end stretch out the second pilot hole and with Hall pressure sensing Device is equipped with the shaft shoulder close to the position of the first pilot hole at a distance of 0.1-0.2mm, the feeler lever, and the shaft shoulder is connected to the first container Inner face；First compressed spring, first compressed spring one end are abutted with the shaft shoulder, and the other end is supported with the second fixed block It connects；The briquetting is connect with the first fixing seat, and is equipped with liquid pipe container in the position opposite with the first pilot hole；It is described defeated Liquid needle tubing is placed in liquid pipe container and contacts with feeler lever.

Preferably, the briquetting lower end and the first fixing seat are rotatablely connected, and upper end is snapped connection with the first fixing seat.

Preferably, the right side of pedestal is vertically placed and be set to first syringe, injects upside down, second note Emitter is laterally disposed and is set to the downside of pedestal, and injection head is towards the right side.

Preferably, the pedestal fixes the end slope of the first syringe and the second syringe backward.

Preferably, which further includes shell, and the shell is nested with pedestal to be connect, and is equipped with and makes the One boss seat, second boss seat, threeway fixing seat and the exposed bit-avoiding slot of the first fixing seat.

(3) beneficial effect

Compared with prior art, the utility model provides automatic opacifying injection device, has following the utility model has the advantages that passing through Medical tee joint connects the first syringe, the second syringe and Transfusion needle pipe and adjusts its lane-wise, is controlled by control device First straight line motor slide rails slide unit and second straight line motor slide rails slide unit drive the first syringe and the second syringe mutually to inject Its air and physiological saline for being pumped into realizes that it is automatic to form radiography bubble of uniform size and smoothly inject human body Change, solution is different since the operation technique of different people or same person's different time have, and causes the formation of contrast agent microbubble can not Standardized problem；Further, the valve body of Medical tee joint is driven to rotate by threeway driving motor, to adjust the first injection Access between device, the second syringe and injection-tube, further increases its automation；Further, which is suitable for a variety of The syringe of specification uses, and meets the state of an illness demand that single loads multiple injection；Further, which is additionally provided with occlusion detection Module can carry out self-locking when Transfusion needle pipe encounters obstruction；Generally speaking, which, which will have automation, to make The advantages of shadow agent forms contrast agent microbubble injection uniform in size and stable into the human body in conjunction with air, realizes ultrasonic contrast Standardization and stability operation.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention, in the accompanying drawings:

Fig. 1 shows the embodiments of the present invention schematic diagram of internal structure；

Fig. 2 shows base structure schematic diagrames in Fig. 1；

Fig. 3 shows the embodiments of the present invention overall structure diagram；

Fig. 4 shows first straight line motor slide rails slide unit and injecting mechanism connection schematic diagram in Fig. 1；

Fig. 5 shows first straight line motor slide rails slide unit structural schematic diagram in Fig. 1；

Fig. 6 shows threeway driving mechanism and occlusion detection module overall structure diagram in Fig. 1；

Fig. 7 shows threeway driving mechanism perspective view of the explosion in Fig. 6；

Fig. 8 shows the connection schematic diagram of the first interface of Medical tee joint and interface container in Fig. 6

Fig. 9 shows medical three-port structure schematic diagram in Fig. 6；

Figure 10 shows occlusion detection modular structure schematic diagram in Fig. 6；

Figure 11 shows occlusion detection module cross-sectional view in Figure 10；

Figure 12, which is shown, rotates fastener and displacement sensor position view in Fig. 1；

Figure 13 shows rotation fastener, the second compressed spring, contour screw connection schematic diagram in Figure 12；

Figure 14 shows the system schematic of the embodiments of the present invention.

In figure: 1 pedestal, 2 first syringes, 3 second syringes, 4 Medical tee joints, 5 Transfusion needle pipes, 7 injecting mechanisms, 8 controls Device processed, 9 threeway driving mechanisms, 10 first boss seats, 11 second boss seats, 12 occlusion detection modules, 13 rotation fasteners, 14 Contour screw, 15 second compressed springs, 16 displacement sensors, 17 shells, 20 first injection tubes, 21 first piston handles, 30 second Injection tube, 31 second piston handles, 40 first interfaces, 41 second interfaces, 42 third interfaces, 43 rotary bodies, 60 first straight line motors Link block, 71 clamp systems, 90 threeway fixing seats, 91 threeways are injected in guide rail slide unit, 61 second straight line motor slide rails slide units, 70 Driving motor, 92 threeway drive blocks, 93 steel balls, third compressed spring 94,95 steel ball briquettings, 100 first arc grooves, 101 first Clamping groove, 110 second arc grooves, 111 second clamping grooves, 120 first fixing seats, 121 second fixed blocks, 122 Hall pressure pass Sensor, 123 circuit boards, 124 feeler levers, 125 first compressed springs, 126 briquettings, 430 " ten " word grooves, 710 left clamping elements, 711 Right clamping element, 712 shafts, 713 torque springs, 900 interface containers, 901 through-holes, 902 steel ball holes, 920 interconnecting pieces, 921 " ten " word boss, 1,200 first pilot holes, 1,201 first containers, 1,210 second pilot holes, 1,211 second containers, 1260 Liquid pipe container, 7100 left hand holding units, 7101 left portions, 7102 left clamping parts, 7110 right hand holding units, 7111 right middles, 7112 Right clamping part

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Refering to attached drawing 1, attached drawing 2, attached drawing 5, attached drawing 6 and attached drawing 14, a kind of automatic opacifying injection device of this implementation includes Pedestal 1, the first syringe 2, the second syringe 3, Medical tee joint 4, Transfusion needle pipe 5, first straight line motor slide rails slide unit 60, second Linear motor guide rail slide unit 61, injecting mechanism 7 and control device 8, the pedestal 1 are equipped with first boss seat 10 and second boss Seat 11, the first boss seat 10 are equipped with the first arc groove 100 and the first clamping groove 101, and the second boss seat 11 is equipped with the Two arc grooves 110 and the second clamping groove 111；First syringe 2 includes the first injection tube 20 and first piston handle 21, described The cylinder of first injection tube 20 is housed in the first arc groove 100, and cylinder checkpost is into the first clamping groove 101；Second injection Device 3 includes the second injection tube 30 and second piston handle 31, and the cylinder of second injection tube 30 is housed in the second arc groove 110 Interior, cylinder checkpost is into the second clamping groove 111, wherein the injection head of the first injection tube 20 and the second injection tube 30 is vertically opposite； Affiliated is that Medical tee joint is connect by female Luer with an injection tube 20, the second injection tube 30 and Transfusion needle pipe 5, specifically: institute Stating Medical tee joint 4 includes first interface 40, second interface 41 and third interface 42, wherein first interface 40 and the first syringe 2 Injection head connection, second interface 41 connect with the injection head of the second syringe 3, and Transfusion needle pipe 5 described in third interface 42 connects； The first straight line motor slide rails slide unit 60 and second straight line motor slide rails slide unit 61 are both secured on pedestal 1；It is described to inject machine There are two structure 7 is set, one end of one of injecting mechanism 7 is connect with the sliding block of first straight line motor slide rails slide unit 60, the other end It is connect with first piston handle 21, one end of another injecting mechanism 7 is connect with the sliding block of second straight line motor slide rails slide unit 61, separately One end is connect with second piston handle 31；The signal output end of control device 8 and the first straight line motor slide rails slide unit 60 and the Two linear motor guide rail slide units 61 are electrically connected, sliding to control first straight line motor slide rails slide unit 60 and second straight line motor slide rails Platform 61 respectively drives the first injection tube 20 and first piston handle 21 is moved along its axis linearity, and 8 signal input part of control device connects It is connected to switch.

Using the technical solution of the present embodiment, by rotating the valve body 43 of Medical tee joint 4, the injection of the first syringe 2, second Following two channel mode can be formed between device 3 and Transfusion needle pipe 5, the first lane-wise is that first interface 40 and second connects Mouth 41 forms accesses, and third interface 42 is closed, so that the first syringe 2, the second syringe 3 be made to form access, Transfusion needle pipe 5 It closes；Second of lane-wise is that second interface 41 is closed, and first interface 40 and third interface 42 form access, to make the One syringe 2 and Transfusion needle pipe 5 form access, and the second syringe 3 is closed；In use, being pumped into 9ml in advance in the first syringe 2 Physiological saline is pumped into 1ml air in the second syringe 3 in advance, and Transfusion needle pipe 5 is connect with the venous indwelling needle interface of patient on hand, The valve body 43 for rotating Medical tee joint 4 makes its first lane-wise, opens the switch of control device 8, and control device 8 controls First straight line motor slide rails slide unit 60 and second straight line motor slide rails slide unit 61 respectively drive 21 second piston handle of first piston handle 31, which interlock, pushes (by taking first straight line motor slide rails slide unit 60 drives first piston handle 21 as an example, first straight line motor slide rails slide unit The rotation of its lead screw of 60 motor driven, keeps its sliding block movable linearly, so that injecting mechanism 7 be driven to move linearly, and then drives The linear movement of first piston handle 21 is injected or the movement of drawing liquid, and second straight line motor slide rails slide unit 61 drives second piston 31 principle of handle is identical, and details are not described herein), oscillation is formed to mix physiology salt water and air, i.e. first straight line motor is led Rail slide unit 60 drives first piston handle 21 to stopping after overhanging 9ml stroke, while the driving of second straight line motor slide rails slide unit 61 the Two piston handles 31 are toward stopping after retraction 9ml stroke, and then second straight line motor slide rails slide unit 61 drives second piston handle 31 outside Stop after stretching 9ml stroke, at the same first straight line motor slide rails slide unit 60 drive first piston handle 21 toward bounce back 9ml stroke after stop When only, so that the first syringe 2 is injected outward, the inside drawing liquid of the second syringe 3, when the second syringe 3 is injected outward, the first note The inside drawing liquid of emitter 2 is back and forth pushed at least 20 times with 80 beats/min of frequency, inject for the last time for first piston handle 21 to Interior drawing liquid, second piston handle 31 are injected outward, thus by the 9ml physiological saline and the second syringe 3 in the first syringe 2 1ml air is thoroughly mixed to form radiography bubble, and injects into the first syringe 2 then pause driving, then rotates medical three Logical 4 valve body 43, makes its second of lane-wise, and after 10 seconds, first straight line motor slide rails slide unit 60 drives first piston handle 21 are stopped with meeting after the speed of human transfusion injects 9ml stroke outward, so that the radiography bubble mixed is injected human body It is interior；Pushing speed is preset in the program of control device 8, can be set according to clinical experience；To sum up, pass through control device 8 It controls the first driving mechanism 60 and the second driving mechanism 61 driving first piston handle 21 and second piston handle 31 moves, thus will To which the air in physiological saline and the second syringe 3 in the first syringe 2 is thoroughly mixed to form radiography bubble, and inject In first syringe 2, then first straight line motor slide rails slide unit 60 drives the first syringe 2 to inject the contrast microbubbles shaken Into the human body, realize that physiological saline is formed radiography of uniform size by the automatic opacifying injection device in conjunction with air concussion automatically Agent microvesicle is simultaneously injected into human body automatically, is improved the stability of ultrasonic contrast and is realized standardization.

To further improve automation, refering to attached drawing 1, attached drawing 6, attached drawing 7, attached drawing 8, attached drawing 9 and attached drawing 13, this is automatic Opacifying injection device further includes threeway driving mechanism 9, and the threeway driving mechanism 9 includes threeway fixing seat 90, threeway driving electricity Machine 91 and threeway drive block 92, the threeway fixing seat 90 are fixed on pedestal 1, are equipped with interface container 900 and through-hole 901； The threeway driving motor 91 is fixed on 90 lower end of threeway fixing seat and is embedded in pedestal 1；92 lower end of threeway drive block Interconnecting piece 920 equipped with the output axis connection with motor 91, upper end are equipped with " ten " word boss 921；The valve body of the Medical tee joint 4 43 bottoms are equipped with " ten " the word groove 430 being adapted to " ten " word boss 921, and three interfaces and interface of the Medical tee joint 4 are received Tank 900 is clamped, the interface container 900 altogether there are three, the two sides of each interface container 900 are equipped with steel ball hole 902, A steel ball 93 is equipped in the steel ball hole 902, be equipped with third compressed spring 94 between the steel ball 93 and steel ball hole 902 so that Three interfaces of 93 clamping Medical tee joint 4 of steel ball, to be fixed in threeway fixing seat 90, the clamping with first interface 40 is Example, such as attached drawing 8, third compressed spring 94 sticks into interface container 900, and the elastic force of third compressed spring 94 promotes steel ball 93 to compress The clamping principle of first interface 40, second interface 41 and third interface 42 is identical, and details are not described herein；Valve body 43 passes through through-hole 901, " ten " word groove 430 and " ten " word boss 921 are socketed, and the threeway driving motor 91 is electrically connected with control device 8, The threeway driving motor 91 be preferably stepper motor, control device 8 control threeway driving motor 91 with 90 ° for a beat just Reversion, by the socket relationship of " ten " word groove 430 and " ten " word boss 921, thus with moving valve 43 with 90 ° of beats Positive and negative rotation, to realize the two kinds of channel sides for switching and being formed between above-mentioned first syringe 2, the second syringe 3 and Transfusion needle pipe 5 Formula improves automation.

Further, refering to attached drawing 1 and attached drawing 4, the injecting mechanism 7 includes injecting link block 70 and clamp system 71, The clamp system 71 includes left clamping element 710, right clamping element 711, shaft 712 and torque spring 713, the left clamping element 710 and the middle part of right clamping element 711 be rotatablely connected and form scissor state with clamp or release first piston handle by shaft 712 21 and second piston handle 31,713 sets of the torque spring is in shaft 712, and one end is connect with left clamping element 710, another End is connect with right clamping element 711, and in the present embodiment, left clamping element 710 includes left hand holding unit 7100, left portion 7101 and left clamping Portion 7102, right clamping element 711 include right hand holding unit 7110, right middle 7111 and right clamping part 7112, in left portion 7101 and the right side Portion 7111 is connected by shaft 712, and left clamping part 7102 and right clamping part 7112 form grasping part, the torque spring 713 One end is stuck in left hand holding unit 7100, and the other end is stuck in right hand holding unit 7110, to pinching left hand holding unit 7100 and right hand holding unit 7110, left clamping part 7102 and right clamping part 7112 open, to facilitate first piston handle 21 and second piston handle 31 to stick into or move back Grasping part out, while torque spring 713 is unclamped left hand holding unit 7100 and right hand holding unit 7110, torque spring by torsion 713 rebounds, clamp first piston handle 21 or second piston handle 31, to facilitate tearing open for first piston handle 21 and second piston handle 31 Dress, while being suitable for the clamping of the piston handle of sizes；The shaft 712 is fixedly connected with the one end for injecting link block 70, It is described inject the one end of link block 70 far from shaft 712 respectively with first straight line motor slide rails slide unit 60 and second straight line motor The sliding block of guide rail slide unit 61 connects.

Further, refering to attached drawing 1, attached drawing 12 and attached drawing 13,30 side of first injection tube 20 and the second injection tube It is equipped with a rotation fastener 13, described two rotation fasteners 13 are individually fixed in 10 He of first boss seat by contour screw 14 To compress the first injection tube 20 and the second injection tube 30, the boss of the contour screw 14 and rotation respectively on second boss seat 11 Second compressed spring 15 is equipped between 13 inside of fastener, so that rotation fastener 13 can elastic stretching and around contour screw up and down 14 360 ° of axis rotations；When the first syringe 2 more renewed and the second syringe 3, two rotation fasteners 13 are rotated by 90 °, and are made It is parallel with the first syringe 2 and the second syringe 3 respectively, when the first new syringe 2 and the replacement of the second syringe 3 finish Afterwards, activity detent 13 turns round 90 °, keeps it vertical with the first syringe 2 and the second syringe 3 respectively, the second compressed spring 15 makes The top of fastener 10 is rotated to being fixed at the top of the first injection tube 2 and the second injection tube 3, prevents the first syringe 3 and the Two syringes 4 are loosened in injection, improve the stability of the automatic opacifying injection device, simultaneously as the retractility of spring, it can Keep the gripping range of injection tube adjustable, to adapt to the clamping of the injection tube of the syringe of plurality of specifications.

Further, since some patients are in Contrast-enhanced ultrasonography, need multiple injection (general injection 5-6 times, often Secondary 8-10ml), in order to improve efficiency, which is suitable for the use of plurality of specifications syringe, it is only necessary to inject An at time, using 10ml syringe, when needing multiple injection, using the syringe of 20ml, 30ml or 50ml, specifically with reality It is selected in use, thus, which also needs automatic identification to inject in addition to it can load the syringe of plurality of specifications Device specification, so that adjust automatically injects speed, refering to attached drawing 1, attached drawing 4, attached drawing 12 and attached drawing 13, to realize the function, this is certainly Dynamic opacifying injection device uses following scheme, and first interface 40 is connect with the injection head of the first syringe 2 by hose, and second connects Mouth 41 is connect with the injection head of the second syringe 3 by hose, and hose can be integrally formed with Medical tee joint 4, utilize the soft of hose Property connection, to meet the syringe that Medical tee joint 4 can connect plurality of specifications, while the position position of Medical tee joint 4 will not change, Meanwhile above-mentioned clamp system 71 clamps the scheme of first piston handle 21 and second piston handle 31 and rotation fastener 13 compresses first The scheme of injection tube 20 and the second injection tube 30 is suitable for more gauge hypodermic devices, and in addition 13 lower ends of described two rotation fasteners are equal Equipped with a displacement sensor 16, described two displacement sensors 16 are individually fixed in first boss seat 10 and second boss seat On 11, described two rotation fasteners 13 compress the first injection tubes 20 and when the second injection tube 30 across the sense of displacement sensor 16 Region is answered, institute's displacement sensors 16 and control device 8 are electrically connected, and control device 8 passes through the induction rotation of displacement sensor 16 The mobile distance of fastener 13 controls first straight line motor slide rails slide unit 60 and second straight line electricity to identify specification of syringe The driving speed of machine guide rail slide unit 61, rotation fastener 13 and displacement sensor 16 in the present embodiment, when by non-mounting of syringe The distance between be labeled as 0, after mounting of syringe, rotation fastener 13 displacement that moves up determines specification of syringe, specifically When rotation fastener 13 moves up 8-9mm, to be determined as 10ml syringe, when rotation fastener 13 moves up 13-14mm, being determined as 20ml syringe is determined as 30ml syringe when rotation fastener 13 moves up 16-21mm, when rotation fastener 13 moves up 23-24mm When, it is determined as 50ml syringe.

For the safety for guaranteeing the automatic opacifying injection device, refering to attached drawing 1, attached drawing 10 and attached drawing 11, the automatic radiography Injection device further includes occlusion detection module 12, and the occlusion detection module 12 includes the first fixing seat 120, the second fixed block 121, Hall pressure sensor 122 (the present embodiment is 1865 type infusion pump dynamometry/pressure sensor), circuit board 123, feeler lever 124, the first compressed spring 125 and briquetting 126；First fixing seat 120 is fixed on pedestal 1, and is equipped with the first pilot hole 1200 and first container 1201, second fixed block 121 connect with the first fixing seat 120, and be equipped with and the first pilot hole 1200 concentric the second pilot holes 1210 and the second container 1211；The Hall pressure sensor 122 is welded on circuit board 123 On, the circuit board 123 connect with the second fixed block 121 and is placed in Hall pressure sensor 122 in second container 1211, The circuit board 123 is electrically connected with control device 8；The feeler lever 124 and the first pilot hole 1200 and the second pilot hole 1210 Be slidably connected, one end stretch out the first pilot hole 1200, the other end stretch out the second pilot hole 1210 and with Hall pressure sensor 122 At a distance of 0.1-0.2mm, the feeler lever 124 is equipped with the shaft shoulder close to the position of the first pilot hole 1200, and the shaft shoulder is connected to first 1201 inner face of container；First compressed spring 125, one end is abutted with the shaft shoulder, and the other end is supported with the second fixed block 121 It connects；The briquetting 126 is connect with the first fixing seat 120, and is accommodated in the position opposite with the first pilot hole 1200 equipped with liquid pipe Slot 1260；Transfusion needle pipe 5 is placed in liquid pipe container 1260 and contacts with feeler lever 124；In injection process, when Transfusion needle pipe 5 by When syringe needle in bending or patient's hand walks that injection is caused to block, hydraulic in Transfusion needle pipe 5 becomes larger, to squeeze touching Bar 124, feeler lever 124 deviate to touch Hall pressure sensor 122 backward, Hall pressure sensor 122 by signal feed back in Control device 8, control device 8 controls first straight line motor slide rails slide unit 60 and stops driving, so that the function of block and auto-lock is played, Improve the safety of the automatic opacifying injection device.

Further, it is rotatablely connected refering to attached drawing 10 and attached drawing 11,126 lower end of briquetting and the first fixing seat 120, on End is snapped connection with the first fixing seat 120, is connected by a snap, and can be facilitated the connection of briquetting 126 and the first fixing seat 120 and be torn open It unloads, Transfusion needle pipe 5 is facilitated to stick into or exit liquid pipe container 1260.

Further, refering to attached drawing 3, the right side of pedestal 1, injection head are vertically placed and be set to first syringe 2 Downward, second syringe 3 it is laterally disposed and be set to pedestal 1 downside, injection head towards the right side, thus, when the first syringe 2 When stopping mutually pushing with the second syringe 3, undissolved air pocket can float on the top of the first syringe 2, so as to reduce Undissolved air is entered the intracorporal total amount of people, and a possibility that adverse reaction occurs is reduced.

Further, refering to attached drawing 3, the pedestal 1 fix the end slope of the first syringe 2 and the second syringe 3 to Afterwards, in the present embodiment, tilt angle is 60 °, and staff is facilitated to operate.

Further, refering to attached drawing 3, in order to protect internal part, which further includes shell 17, The shell 17 is nested with pedestal 1 to be connect, and is equipped with and is made first boss seat 10, second boss seat 11, threeway fixing seat 90 and the One fixing seat 120 exposed bit-avoiding slot is additionally provided with power switch and operation interface on the shell, the signal with control device 8 Input terminal is electrically connected, and user can carry out the setting of pushing speed parameter in operation interface, to transmit a signal to control Signal feedback is carried out relevant work in relevant work mechanism in turn by device 8 processed, control device 8.

More than, it is all to be powered with electric device using 12V, it is connect by power supply line with external power supply, first straight line motor is led The motor and threeway driving motor 91 of rail slide unit 60 and second straight line motor slide rails slide unit 61 are all connected with a driver, the drive The signal output end of dynamic device and control device 8 is electrically connected, and control device 8 passes through driver control first straight line motor slide rails The operating of the motor and threeway driving motor 91 of slide unit 60 and second straight line motor slide rails slide unit 61, the control of the control device 8 Device is preferably single-chip microcontroller.

In conclusion the automatic opacifying injection device, the first syringe, the second syringe and defeated are connected by Medical tee joint Liquid needle tubing simultaneously adjusts its lane-wise, controls first straight line motor slide rails slide unit and second straight line motor slide rails by control device Slide unit drives the first syringe and the second syringe mutually to inject air and physiological saline that it is pumped into, to be formed uniform in size Radiography bubble and smoothly inject human body, realize its automation, solve due to different people or same person's different time Operation technique has different, causes the formation of contrast agent microbubble can not standardized problem；Further, it is driven by threeway driving motor The valve body rotation of dynamic Medical tee joint further mentions to adjust the access between the first syringe, the second syringe and injection-tube Its high automation；Further, the syringe which is suitable for plurality of specifications uses, and meets the disease that single loads multiple injection Feelings demand；Further, which is additionally provided with occlusion detection module, can carry out when Transfusion needle pipe encounters obstruction self-locking；Total For, which has automation and contrast agent is formed to radiography uniform in size and stable in conjunction with air The advantages of agent microvesicle is injected into the human body realizes the standardization and stability operation of ultrasonic contrast.

It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.

Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments Up to the unlimited scope of the present application processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached It does not need that it is further discussed in figure.

In the description of the present application, it is to be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally, vertical, Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes System is merely for convenience of description the application and simplifies description, and in the absence of explanation to the contrary, these nouns of locality do not indicate that It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage Solution is the limitation to the application protection scope；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.

For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ", " ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction " Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and " in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and And respective explanations are made to the opposite description in space used herein above.

In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this Apply for the limitation of protection scope.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (10)

1. a kind of automatic opacifying injection device, including control device (8), which is characterized in that further include:

Pedestal (1), the pedestal (1) are equipped with first boss seat (10) and second boss seat (11), the first boss seat (10) it is equipped with the first arc groove (100) and the first clamping groove (101), the second boss seat (11) is equipped with the second arc groove (110) and the second clamping groove (111)；

First syringe (2), including the first injection tube (20) and first piston handle (21), the cylinder of first injection tube (20) It is housed in the first arc groove (100), cylinder checkpost is interior into the first clamping groove (101)；

Second syringe (3), including the second injection tube (30) and second piston handle (31), the cylinder of second injection tube (30) It is housed in the second arc groove (110), cylinder checkpost is interior into the second clamping groove (111), wherein the first injection tube (20) and the second note The injection head of shooting cylinder (30) is vertically opposite；

Medical tee joint (4), including first interface (40), second interface (41) and third interface (42), wherein first interface (40) It is connect with the injection head of the first syringe (2), second interface (41) is connect with the injection head of the second syringe (3), third interface (42) Transfusion needle pipe (5) is connected；

First straight line motor slide rails slide unit (60) and second straight line motor slide rails slide unit (61), are both secured on pedestal (1)；

Two injecting mechanisms (7), one end of one of injecting mechanism (7) and the sliding block of first straight line motor slide rails slide unit (60) Connection, the other end are connect with first piston handle (21), one end of another injecting mechanism (7) and second straight line motor slide rails slide unit (61) sliding block connection, the other end are connect with second piston handle (31)；

Wherein, the signal output end of control device (8) and the first straight line motor slide rails slide unit (60) and second straight line motor Guide rail slide unit (61) is electrically connected, to control first straight line motor slide rails slide unit (60) and second straight line motor slide rails slide unit (61) It respectively drives the first injection tube (20) and first piston handle (21) is moved along its axis linearity.

2. a kind of automatic opacifying injection device according to claim 1, which is characterized in that further include threeway driving mechanism (9), the threeway driving mechanism (9) includes:

Threeway fixing seat (90) is fixed on pedestal (1), is equipped with interface container (900) and through-hole (901)；

Threeway driving motor (91) is fixed on threeway fixing seat (90) lower end and is embedded in pedestal (1)；

Threeway drive block (92), lower end are equipped with the interconnecting piece (920) with the output axis connection of threeway driving motor (91), and upper end is set There is " ten " word boss (921)；

Rotary body (43) bottom of the Medical tee joint (4) is equipped with " ten " the word groove being adapted to " ten " word boss (921) (430), three interfaces of the Medical tee joint (4) and interface container (900) are clamped, and the interface container (900) is shared Three, the two sides of each interface container (900) are equipped with steel ball hole (902), and a steel ball is equipped in the steel ball hole (902) (93), third compressed spring (94) are equipped between the steel ball (93) and steel ball hole (902) so that steel ball (93) clamping medical three Three interfaces of logical (4), rotary body (43) pass through through-hole (901), and " ten " word groove (430) and " ten " word boss (921) cover It connects, the threeway driving motor (91) and control device (8) signal output end are electrically connected, and control device (8) controls threeway and drives Dynamic motor (91) driving threeway drive block (92) rotation.

3. a kind of automatic opacifying injection device according to claim 1, it is characterised in that: the injecting mechanism (7) includes Inject link block (70) and clamp system (71), the clamp system (71) include left clamping element (710), right clamping element (711), The middle part of shaft (712) and torque spring (713), the left clamping element (710) and right clamping element (711) passes through shaft (712) It is rotatablely connected and forms scissor state with clamp or release first piston handle (21) and second piston handle (31), the torque spring (713) it covers on shaft (712), and one end is connect with left clamping element (710), the other end is connect with right clamping element (711), institute It states shaft (712) and is fixedly connected with the one end for injecting link block (70), inject link block (70) one end far from shaft (712) point It is not connect with the sliding block of first straight line motor slide rails slide unit (60) and second straight line motor slide rails slide unit (61).

4. a kind of automatic opacifying injection device according to claim 1, it is characterised in that: first injection tube (20) and Second injection tube (30) side is equipped with a rotation fastener (13), and described two rotation fasteners (13) pass through contour screw respectively (14) it is fixed on first boss seat (10) and second boss seat (11) to compress the first injection tube (20) and the second injection respectively Cylinder (30) is equipped with second compressed spring (15) between the boss and rotation fastener (13) inside of the contour screw (14), So that rotation fastener (13) can elastic stretching and 360 ° of the axis rotations around contour screw (14) up and down.

5. a kind of automatic opacifying injection device according to claim 4, which is characterized in that first interface (40) and the first note The injection head of emitter (2) is connected by hose, and second interface (41) is connect with the injection head of the second syringe (3) by hose, Described two rotation fastener (13) lower ends are equipped with a displacement sensor (16), and described two displacement sensors (16) are solid respectively Due on first boss seat (10) and second boss seat (11), described two rotation fasteners (13) compress the first injection tube respectively (20) and when the second injection tube (30) induction region of displacement sensor (16) is passed through, institute's displacement sensors (16) and control fill The signal input part for setting (8) is electrically connected feeding back inductive signal in control device (8).

6. a kind of automatic opacifying injection device according to claim 5, which is characterized in that further include occlusion detection module (12), the occlusion detection module (12) includes:

First fixing seat (120) and the second fixed block (121), first fixing seat (120) is fixed on pedestal (1), and is set There are the first pilot hole (1200) and the first container (1201), second fixed block (121) and the first fixing seat (120) are even It connects, and is equipped with second pilot hole (1210) and second container (1211) concentric with the first pilot hole (1200)；

Hall pressure sensor (122) is welded on circuit board (123), the circuit board (123) and the second fixed block (121) It connects and is placed in Hall pressure sensor (122) in the second container (1211), the circuit board (123) and control device (8) signal input part is electrically connected to feed back inductive signal in control device (8)；

Feeler lever (124) is slidably connected with the first pilot hole (1200) and the second pilot hole (1210), and the first pilot hole is stretched out in one end (1200), the other end stretches out the second pilot hole (1210) and with Hall pressure sensor (122) at a distance of 0.1-0.2mm, the touching Bar (124) is equipped with the shaft shoulder close to the position of the first pilot hole (1200), and the shaft shoulder is connected to the first container (1201) inner end Face；

First compressed spring (125), described first compressed spring (125) one end are abutted with the shaft shoulder, the other end and the second fixed block (121) it abuts；

Briquetting (126) is connect with the first fixing seat (120), and is equipped with liquid pipe in the position opposite with the first pilot hole (1200) Container (1260)；

Transfusion needle pipe (5) is placed in liquid pipe container (1260) and contacts with feeler lever (124).

7. a kind of automatic opacifying injection device according to claim 6, it is characterised in that: briquetting (126) lower end with First fixing seat (120) rotation connection, upper end is snapped connection with the first fixing seat (120).

8. a kind of automatic opacifying injection device according to claim 1-7, which is characterized in that first injection The right side of pedestal (1) is vertically placed and be set to device (2), and upside down, second syringe (3) is laterally disposed and is set to for injection The downside of pedestal (1), injection head is towards the right side.

9. a kind of automatic opacifying injection device according to claim 8, it is characterised in that: the pedestal (1) fixes first The end slope of syringe (2) and the second syringe (3) is backward.

10. a kind of automatic opacifying injection device according to claim 9, it is characterised in that: it further include shell (17), it is described Shell (17) is nested with pedestal (1) and connect, and be equipped with make first boss seat (10), second boss seat (11), threeway fixing seat (90) and the exposed bit-avoiding slot of the first fixing seat (120).