CN209630351U - Contrast agent microbubble vibrates infusing device - Google Patents

Abstract

The utility model discloses contrast agent microbubble oscillation infusing device；Including microvesicle injector and automatically pump is injected；Microvesicle injector include injection needle, contrast agent injection catheter, contrast agent microbubble component, to the injection tube and piston type push rod of device microvesicle type contrast agent；Injection needle liquid feeding end is connected with contrast agent injection catheter outlet end；Contrast agent injection catheter liquid feeding end is connect with contrast agent microbubble component outlet end；Contrast agent microbubble component liquid feeding end is connect with injection tube outlet end；Piston type push rod connecting pin is protruded into injection tube liquid feeding end, and piston type push rod is fixed in injects on pump automatically.The utility model can convenient and efficient prepare the microbubble contrast agent that sufficiently vibrates, and it injects in patient body, can clearly be developed lesions position in patient body and perienchyma region, contrast agent persistent oscillation is kept simultaneously, and speed is injected according to default, the microbubble concentration for making to continue at the uniform velocity to be transfused contrast agent is kept in balance stabilization in longer contrast time, to improve the enhancing development effect of lesions position.

Description

Contrast agent microbubble vibrates infusing device

Technical field

The utility model relates to medical nursing product technical fields, push away in particular, being related to a kind of oscillation of contrast agent microbubble Dispensing device.

Background technique

Contrast agent, as its name suggests, also known as contrast medium is a kind of to inject or take human body for enhancing Imaging Study effect The chemicals of tissue and organ.The density of these products is generally higher or lower than surrounding tissue, is formed by comparison and uses certain A little instruments show images, such as the common Operand of x-ray observation and barium sulfate, specially offered in order to the development of lesions position.

And clinically, the use for the contrast agent of microvesicle type is generally packed into traditional used injection It carries out now matching now in device, then needs that ceaselessly corresponding syringe is rocked or shaken during now matching, so that its The contrast agent of interior accommodated microvesicle type generates more microvesicle and is convenient for the development of lesions position, after now matching, then The contrast agent bolus of the microvesicle type prepared is directly entered into patient's lesions position periphery blood vessel.

For aforesaid operations mode, although it still has certain defect and deficiency using extensively.

Specifically, on the one hand, the contrast agent for the microvesicle type now matched becomes standing again when injecting, and such one Come, generated microvesicle can disappear quickly, the number so that contrast agent of the subsequent microvesicle type when injecting in patient's blood vessel blisters Amount does not have good lesion development effect less, on the other hand, to inject manually, so that injecting the bad control of speed, exists It has injected in a flash and doctor is made to have little time to observe lesions position developed image and cause to retain in disease slowly in the presence of speed is injected The contrast agent microbubble of the microvesicle type of people's blood vessel is few and makes the rapid development for being not easy to lesions position.

Whereby, the prior art has much room for improvement.

Utility model content

A kind of contrast agent microbubble oscillation provided the purpose of the utility model is to overcome the deficiency of the above-mentioned prior art Infusing device.

The utility model solves technical solution used by prior art problem: dress is injected in a kind of oscillation of contrast agent microbubble Set, including microvesicle injector, the microvesicle injector include injection needle, contrast agent injection catheter, contrast agent microbubble component, to The both ends of device microvesicle type contrast agent are all formed as open injection tube and what is matched with the injection tube make to inject The piston type push rod of shadow agent；Wherein,

The liquid feeding end of the injection needle is connected with the outlet end of the contrast agent injection catheter；The contrast agent injection catheter The outlet end of liquid feeding end and the contrast agent microbubble component be detachably connected；The liquid feeding end of the contrast agent microbubble component and institute The outlet end for stating injection tube is detachably connected；The connecting pin of the piston type push rod is protruded into the liquid feeding end of the injection tube.

Above technical scheme is further elaborated below:

Preferably, the contrast agent microbubble component includes outer diameter cylinder compatible with the injection tube outer diameter, is set to institute It states the intracorporal supersonic oscillations piece of cylinder and is fixed on the ultrasonic wave hair of the cylinder body outer wall being connected with the supersonic oscillations piece Raw device；Wherein,

The cylinder liquid feeding end is formed as open and is threadedly coupled with the injection tube outlet end；The barrel liquid discharge end is set There is one to be suitable for Rule conehead that the contrast agent injection catheter liquid feeding end plugs.

Preferably, the injection drum outer wall is provided along its length scale；The injection tube outlet end inner wall is equipped with One circle is to keep off the inner edge for setting piston type push rod connecting pin.

Preferably, the injection tube liquid feeding end outer wall is equipped with a circle ear mount A；Piston type push rod end outer wall ring is set There is a circle ear mount B.

It preferably, further include one to drive what the piston type push rod at the uniform velocity promoted into the injection tube to inject automatically Pump；Wherein,

The piston type push rod is removable, and being fixedly arranged on of taking is described injects on pump automatically.

Preferably, it is described automatically inject pump include the pump housing, set on the pump housing rear end be moved forward and backward to forward The pushing mechanism of piston type push rod described in automatic push and intracorporal to drive pushing mechanism work set on the pump Master controller；Wherein,

The pump housing side end face inwardly offers one along the longitudinal direction close to its underpart and is suitable for accommodating the contrast agent microbubble The groove A of component and the coupled injection tube；The pump housing posterior end is provided inwardly with one along the longitudinal direction and is suitable for holding Set the groove B of the piston type push rod；

The pushing mechanism includes the driving motor internal before the groove B being connected with the master controller, edge The screw rod and screw thread that front-rear direction is fixedly arranged in the shaft of the driving motor rear end are socketed on outside the screw rod and can slide back and forth The push block being arranged in the groove B；

The front end of the groove B is connected with the rear end of the groove A, and the outer diameter of the groove B is greater than the groove A Outer diameter so that the front end of the groove B is configured to a contacting wall without the part that is connected with the rear end of the groove A；

The contrast agent microbubble component and the injection tube are when being placed in the groove A, the ear mount A of the injection tube In the groove B, front end face offsets with the contacting wall；The piston type push rod is placed in the groove B, and position In outside the screw rod；The rear end face of the ear mount B of the piston type push rod and the front end face of the push block abut against.

Preferably, the groove B has a rear wall, and the front end face of the rear wall is installed with a rotation seat, the screw rod Rear end is rotatably fixedly arranged on the rotation seat；The upper edge of the groove B is installed with downwards a limit along its length A, the lower edge of the groove B is installed with a positive stop strip B upwards along its length；The push block card capable of sliding back and forth It is limited in groove B, and by the positive stop strip A and positive stop strip B.

Preferably, the pump housing side end face in be installed with upwards outside the posterior end of the groove A L-type fix plate；

When the injection tube is arranged in the groove A, the inner wall of the outer wall of the injection tube and L-type fixing plate It offsets.

Preferably, the groove A has an antetheca, and the middle part of the antetheca offers a card slot from front to back；It is described to make Shadow agent injection catheter is arranged in the card slot, and outlet end is set to outside the card slot and connects with the liquid feeding end of the injection needle It connects, liquid feeding end is stretched in the groove A from the card slot and connect with Rule conehead of the barrel front end.

Preferably, the front end of the push block is equipped with a spacing collar for going along with sb. to guard him the ear mount B phase, the limit forward The internal diameter of circle is adapted with the outer diameter of the ear mount B.

The beneficial effects of the utility model are:

One, a kind of contrast agent microbubble oscillation infusing device provided by the utility model, in the specific implementation, because of setting There is microvesicle injector, set microvesicle injector includes the injection needle being sequentially connected, contrast agent injection catheter, contrast agent microbubble Component, the injection tube to device microvesicle type contrast agent and the piston to bolus administration of contrast agent that is matched with the injection tube Formula push rod, in this way, when in use, the contrast agent microbubble component and the injection tube are dismantled, by microvesicle type contrast agent device In the injection tube, the good contrast agent microbubble component and the injection tube are reconnected, first injects the piston type manually Push rod is then turned on the radiography so that the microvesicle type contrast agent in the injection tube fills the contrast agent microbubble component Agent microvesicle component is further continued for pushing the piston type push rod so that the microvesicle type contrast agent filled in it ceaselessly blisters, It may make the microvesicle type contrast agent for a large amount of microvesicles of generation now matched now in real time by injection patient vessel, so that subsequent can Lesions position and the perienchyma region clearly developed in patient body, in turn, the utility model is practical, using effect It is good.

Secondly, in the technical scheme, because the utility model further include one to drive the piston type push rod at the uniform velocity to What is promoted in the injection tube injects pump automatically；The piston type push rod is removable, and being fixedly arranged on of taking is described injects on pump automatically, such as This, when the utility model is used, start it is described inject pump automatically and the piston type push rod can at the uniform velocity be pushed ahead so that Microvesicle type contrast agent in the injection tube is can be according to the speed quilt at the uniform velocity of setting after the contrast agent microbubble component It injects into patient vessel, doctor will not be made to have little time to observe lesions position developed image and make because too short so that injecting the time The time, which must be injected, will not exist because too long and inject speed slowly and cause the microvesicle type contrast agent microbubble for retaining in patient's blood vessel few Lead to the rapid development for being not easy to lesions position, in turn, the utility model can be accomplished so that generating the microvesicle type radiography of microvesicle Agent according to pre-set velocity at the uniform velocity by injection patient vessel so that also make contrast time long while contrasting effects are good, so as to Yu doctor observes lesions position developed image, so that more preferable carry out subsequent condition-inference to patient convenient for auxiliary doctor, in turn, this The using effect of utility model can reach best.

Detailed description of the invention

Fig. 1 is the integral planar structural schematic diagram of the microvesicle injector in the utility model embodiment；

Fig. 2 is the cross-sectional view that the contrast agent microbubble component is connected with the injection tube in the utility model embodiment；

Fig. 3 is the integral planar structural schematic diagram for injecting pump automatically in the utility model embodiment；

Fig. 4 is the integral planar structural schematic diagram of the utility model contrast agent microbubble oscillation infusing device；

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Drawing reference numeral:

Contrast agent microbubble vibrates infusing device 1000；

Microvesicle injector 10；

Injection needle 101；

Contrast agent injection catheter 102；

Contrast agent microbubble component 103；

Cylinder 1031；Rule conehead 10311；Internal screw thread 10312；Sealing ring 10313；Supersonic oscillations piece 1032；Ultrasound Wave producer 1033；

Injection tube 104；

External screw thread 1041；Scale 1042；Inner edge 1043；Ear mount A1044；It is living

Plug push rod 105；

Ear mount B1051；

Automatically pump 20 is injected；

The pump housing 201；

Groove A2011；Antetheca 20111；Card slot 20112；Groove B2012；Contacting wall 20121；Rear wall 20122；Rotation seat 20123；Positive stop strip A20124；Positive stop strip B20125；L-type fixes plate 2013；

Pushing mechanism 202；

Driving motor 2021；Shaft 2022；Screw rod 2023；Push block 2024；Spacing collar 20241.

Specific embodiment

The technical solution of the utility model is described in detail below with reference to drawings and the specific embodiments, to become apparent from, directly See the utility model essence that ground understands the utility model.

In conjunction with shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4；

A kind of contrast agent microbubble provided by the utility model vibrates infusing device 1000, including microvesicle injector 10, institute State microvesicle injector 10 include injection needle 101, contrast agent injection catheter 102, contrast agent microbubble component 103, to device microvesicle The both ends of type contrast agent be all formed as open injection tube 104 and matched with the injection tube 104 to inject radiography The piston type push rod 105 of agent；

Wherein, the liquid feeding end of the injection needle 101 is connected with the outlet end of the contrast agent injection catheter 102；It is described to make The liquid feeding end of shadow agent injection catheter 102 and the outlet end of the contrast agent microbubble component 103 are detachably connected；The contrast agent is micro- The outlet end for steeping the liquid feeding end and the injection tube 104 of component 103 is detachably connected；The connecting pin of the piston type push rod 105 It stretches in the liquid feeding end of the injection tube 104.

Based on described above, it is clear that, dress is injected in a kind of contrast agent microbubble oscillation provided by the utility model 1000 are set, in the specific implementation, because being provided with microvesicle injector 10, set microvesicle injector 10 includes the note being sequentially connected Enter needle 101, contrast agent injection catheter 102, contrast agent microbubble component 103, to the injection tube 104 of device microvesicle type contrast agent And the piston type push rod 105 to bolus administration of contrast agent matched with the injection tube 104.

In this way, when in use, the contrast agent microbubble component and the injection tube 104 are dismantled, by microvesicle type contrast agent It is installed on the injection tube 104, the good contrast agent microbubble component and the injection tube 104 is reconnected, first injects manually The piston type push rod 105, so that the microvesicle type contrast agent in the injection tube 104 fills the contrast agent microbubble component 103, it is then turned on the contrast agent microbubble component 103, so that the microvesicle type contrast agent filled in it ceaselessly blisters, then The piston type push rod 105 is continued to press on, that is, may make the microvesicle type contrast agent for a large amount of microvesicles of generation now matched now real-time Through the injection needle 101 by injection patient vessel so that subsequent lesions position and its periphery that can clearly develop in patient body Tissue regions.

In turn, the utility model is practical, and using effect is good.

It is emphasized that in the specific implementation, the contrast agent microbubble component 103 of the utility model then includes outer diameter Cylinder 1031 compatible with 104 outer diameter of injection tube, the supersonic oscillations piece 1032 in the cylinder 1031 and solid Due to the supersonic generator 1033 of 1031 outer wall of cylinder being connected with the supersonic oscillations piece 1032；

Wherein, 1031 liquid feeding end of cylinder is formed as open and is threadedly coupled with 104 outlet end of injection tube；It is described 1031 outlet end of cylinder is equipped with one and is suitable for Rule conehead 10311 that 102 liquid feeding end of contrast agent injection catheter plugs.

Specifically, 1031 liquid feeding end of cylinder be equipped with internal screw thread 10312,104 outlet end of injection tube be equipped with The external screw thread 1041 that the internal screw thread is meshed, and the inner wall of the cylinder 1031 is glued in the end of the internal screw thread 1041 and is equipped with One sealing ring 10313；

In this way, realizing that the cylinder 1031 is threadedly coupled with the injection tube 104, while so that connectivity robustness is good Can also making it, connection sealing is good and avoid leakage each other.

And herein it should be noted that in the specific implementation, 1031 outer wall of cylinder offers a via hole, the ultrasound Wave producer 1033 is to adhere to 1031 outer wall of cylinder, and the signal wire by being arranged in the via hole and the cylinder The supersonic oscillations piece 1032 in 1031 is connected, and the signal wire is when passing through the via hole, with the via hole it Between gap then use medical adhesive filling sealing.

Further, in the present embodiment, 104 outer wall of injection tube is provided along its length scale 1042；It is described 104 outlet end inner wall of injection tube is equipped with a circle to keep off the inner edge 1043 for setting 105 connecting pin of piston type push rod.

So, on the one hand, referring to the scale 1042, patient's lesion peripheral part can be injected convenient for medical staff's control The microvesicle type contrast agent injection rate of blood vessel, on the other hand, set inner edge 1043 to set the piston type convenient for gear and push away Bar 105 pushes up the bad supersonic oscillations piece 1032 to avoid the release of its connecting pin, so that the utility model use reliability It is good.

Furthermore in the specific implementation, the 104 liquid feeding end outer wall of injection tube is equipped with a circle ear mount A1044；The piston 105 end outer wall of formula push rod is equipped with a circle ear mount B1051.

In this way, set ear mount A1044 and ear mount B1051 is then suitable for medical staff's hand and is affectedly bashful, so that being convenient for medical care Personnel manipulate the utility model.

Preferably, in the specific implementation, the utility model further include one to drive the piston type push rod 105 at the uniform velocity to What is promoted in the injection tube 104 injects pump 20 automatically；

Wherein, removable described inject automatically that be fixedly arranged on taken of the piston type push rod 105 pumps on 20.

In this way, when the utility model is used, start it is described inject pump 20 automatically can be even by the piston type push rod 105 Speed is pushed ahead, so that the microvesicle type contrast agent in the injection tube 104 can be pressed after the contrast agent microbubble component 103 According to speed being injected into patient vessel at the uniform velocity of setting, doctor will not be made to have little time to observe because too short so that injecting the time Lesions position developed image and making inject the time will not be too long and exist and inject speed slowly and cause to retain in the micro- of patient's blood vessel Bubble type contrast agent microbubble quantity leads to the rapid development for being not easy to lesions position less.

In turn, the utility model can be accomplished so that generating quilt of the microvesicle type contrast agent of microvesicle according to pre-set velocity at the uniform velocity Patient vessel is injected, so that also making contrast time long while contrasting effects are good, in order to which doctor observes lesions position development Image, so that more preferable carry out subsequent condition-inference to patient convenient for auxiliary doctor.

In short, the utility model is also able to maintain contrast agent and persistently shakes while having the function of that contrast agent plays microvesicle It swings, and injects speed according to default, the microbubble concentration for making to continue at the uniform velocity to be transfused contrast agent is kept in balance in longer contrast time Stablize, so that the enhancing development effect of lesions position is improved, more clearly to show the blood perfusion situation of lesion tissue.

In turn, the using effect of the utility model can reach best.

Preferably, specifically, in the present embodiment, the pump 20 of injecting automatically then includes the pump housing 201, is set to the pump 201 rear end of body be moved forward and backward to piston type push rod 105 described in automatic push forward pushing mechanism 202 and be set to institute State the master controller to drive the work of pushing mechanism 202 in the pump housing 201；

Wherein, 201 side end face of the pump housing inwardly offers one along the longitudinal direction close to its underpart and is suitable for making described in accommodating The groove A2011 of shadow agent microvesicle component 103 and the coupled injection tube 104；201 posterior end of the pump housing is along front and back Direction is provided inwardly with a groove B2012 for being suitable for accommodating the piston type push rod 105；

The pushing mechanism 202 includes the driving internal before the groove B2012 being connected with the master controller Motor 2021, the screw rod 2023 being fixedly arranged in the 2021 rear end shaft 2022 of driving motor along the longitudinal direction and screw thread are socketed on The screw rod 2023 push block 2024 outer and capable of sliding back and forth being arranged in the groove B2012；

The front end of the groove B2012 is connected with the rear end of the groove A2011, and the outer diameter of the groove B2012 Greater than the outer diameter of the groove A2011 so that the front end of the groove B2012 without the rear end phase with the groove A2011 The part of connection is configured to a contacting wall 20121；

The contrast agent microbubble component 103 and the injection tube 104 are when being placed in the groove A2011, the note The ear mount A1044 of shooting cylinder 104 is located in the groove B2012, and front end face offsets with the contacting wall 20121；The piston Formula push rod 105 is placed in the groove B2012, and is located at outside the screw rod 2023；The ear mount of the piston type push rod 105 The rear end face of B1051 and the front end face of the push block 2024 abut against.

Also, the groove B2012 has a rear wall 20122, and the front end face of the rear wall 20122 is installed with a rotation seat 20123, the rear end of the screw rod 2023 is rotatably fixedly arranged on the rotation seat 20123；The upper edge of the groove B2012 It is installed with a positive stop strip A20124 downwards along its length, the lower edge of the groove B2012 is solid upwards along its length Equipped with a positive stop strip B20125；The push block 2024 is capable of sliding back and forth to be arranged in groove B2012, and by the positive stop strip A20124 and positive stop strip B20125 limit.

Meanwhile 201 side end face of the pump housing in be installed with upwards outside the posterior end of the groove A2011 L-type fix plate 2013；

When the injection tube 104 is arranged in the groove A2011, the outer wall of the injection tube 104 and the L-type card The inner wall of solid plate 2013 offsets.

And the groove A2011 has an antetheca 20111, the middle part of the antetheca 20111 offers a card from front to back Slot 20112；The contrast agent injection catheter 102 is arranged in the card slot 20112, and outlet end is set to the card slot 20112 It connect outside and with the liquid feeding end of the injection needle 101, liquid feeding end stretches in the groove A2011 from the card slot 20112 And it is connect with Rule conehead 10311 of 104 front end of injection tube.

In addition, the front end of the push block 2024 is equipped with a spacing collar for going along with sb. to guard him the ear mount B1051 phase forward 20241, the internal diameter of the spacing collar 20241 is adapted with the outer diameter of the ear mount B1051.

Based on described above, can define:

On the one hand, the contrast agent microbubble component 103 and the coupled injection tube 104 are being fastened in the groove When in A2011, the front end face of the ear mount A1044 offsets with the contacting wall 20121, the rear end face of the ear mount B1051 with The front end face of the push block 2024 offsets, and the inner wall that the outer wall of the injection tube 104 fixes plate 2013 with the L-type offsets, So that set stability good and be not easy to shift for the microvesicle injector 10 card.

On the other hand, the utility model controls the push of the piston type push rod 105 using the principle of screw rod transmission, i.e., The push block 2024 can slide back and forth with the rotation of the screw rod 2023, so as to the piston type push rod 105 be pushed, because of institute It states push block 2024 to be arranged in groove B2012, and is limited by the positive stop strip A20124 and positive stop strip B20125, then make It obtains and is also not easy to shift.

Furthermore the ear mount B1051 phase is gone along with sb. to guard him limit by the spacing collar 20241, so that the piston type push rod 105 is more It is good to be not easy to shift.

In turn, the utility model use reliability is good.

You need to add is that in the specific implementation, the pump 20 of injecting automatically that the utility model is included also can be used Traditional used syringe pump is replaced, and effect is equivalent, here, not doing more careful explanation then.

Other embodiments etc., illustrate one by one here, also not doing.

In conclusion the utility model overall structure is simple, easily implement, easy to operate, practical, specificity is strong, so that The utility model necessarily has good market popularization value, and the utility model can be very welcome, can effectively be popularized.

The above is only the preferred embodiment of the present invention, is not intended to limit the patent protection model of the utility model Enclose, the transformation of equivalent structure made by using the description of the utility model and the drawings or equivalent process, or directly or Other related technical areas are used in indirectly, are also included in the patent protection scope of the utility model.

Claims (10)

1. a kind of contrast agent microbubble vibrates infusing device, it is characterised in that: including microvesicle injector, the microvesicle injector includes Injection needle, contrast agent microbubble component, to the both ends of device microvesicle type contrast agent is all formed as opening at contrast agent injection catheter Injection tube and the piston type push rod to bolus administration of contrast agent that is matched with the injection tube；Wherein,

The liquid feeding end of the injection needle is connected with the outlet end of the contrast agent injection catheter；The contrast agent injection catheter into Liquid end and the outlet end of the contrast agent microbubble component are detachably connected；The liquid feeding end and the note of the contrast agent microbubble component The outlet end of shooting cylinder is detachably connected；The connecting pin of the piston type push rod is protruded into the liquid feeding end of the injection tube.

2. contrast agent microbubble according to claim 1 vibrates infusing device, it is characterised in that: the contrast agent microbubble component Including outer diameter cylinder compatible with the injection tube outer diameter, set on the intracorporal supersonic oscillations piece of the cylinder and it is fixed on described The supersonic generator of cylinder body outer wall being connected with the supersonic oscillations piece；Wherein,

The cylinder liquid feeding end is formed as open and is threadedly coupled with the injection tube outlet end；The barrel liquid discharge end is equipped with one Rule conehead plugged suitable for the contrast agent injection catheter liquid feeding end.

3. contrast agent microbubble according to claim 2 vibrates infusing device, it is characterised in that: the injection drum outer wall is along it Length direction is equipped with scale；The injection tube outlet end inner wall is equipped with a circle and sets piston type push rod connecting pin to keep off Inner edge.

4. contrast agent microbubble according to claim 3 vibrates infusing device, it is characterised in that: outside the injection tube liquid feeding end Wall is equipped with a circle ear mount A；Piston type push rod end outer wall is equipped with a circle ear mount B.

5. contrast agent microbubble according to claim 4 vibrates infusing device, it is characterised in that: further include one to drive That states that piston type push rod at the uniform velocity promotes into the injection tube injects pump automatically；Wherein,

The piston type push rod is removable, and being fixedly arranged on of taking is described injects on pump automatically.

6. contrast agent microbubble according to claim 5 vibrates infusing device, it is characterised in that: described to inject pump automatically and include The pump housing, set on the pump housing rear end be moved forward and backward to the pushing mechanism of piston type push rod described in automatic push forward and Set on the intracorporal master controller to drive the pushing mechanism work of the pump；Wherein,

The pump housing side end face inwardly offers one along the longitudinal direction close to its underpart and is suitable for accommodating the contrast agent microbubble component And the groove A of the coupled injection tube；The pump housing posterior end is provided inwardly with one along the longitudinal direction and is suitable for accommodating institute State the groove B of piston type push rod；

The pushing mechanism includes the driving motor internal before the groove B being connected with the master controller, along front and back The screw rod and screw thread that direction is fixedly arranged in the shaft of the driving motor rear end are socketed on outside the screw rod and card capable of sliding back and forth Push block in the groove B；

The front end of the groove B is connected with the rear end of the groove A, and the outer diameter of the groove B is outer greater than the groove A Diameter, so that the front end of the groove B is configured to a contacting wall without the part that is connected with the rear end of the groove A；

When being placed in the groove A, the ear mount A of the injection tube is located at for the contrast agent microbubble component and the injection tube In the groove B, front end face offsets with the contacting wall；The piston type push rod is placed in the groove B, and is located at institute It states outside screw rod；The rear end face of the ear mount B of the piston type push rod and the front end face of the push block abut against.

7. contrast agent microbubble according to claim 6 vibrates infusing device, it is characterised in that: after the groove B has one Wall, the front end face of the rear wall are installed with a rotation seat, and the rear end of the screw rod is rotatably fixedly arranged on the rotation seat；Institute The upper edge for stating groove B is installed with downwards a positive stop strip A along its length, and the lower edge of the groove B is along its length It is installed with a positive stop strip B upwards；The push block is capable of sliding back and forth to be arranged in groove B, and by the positive stop strip A and described Positive stop strip B limit.

8. contrast agent microbubble according to claim 6 vibrates infusing device, it is characterised in that: the pump housing side end face is in institute It states and is installed with L-type fixing plate outside the posterior end of groove A upwards；

When the injection tube is arranged in the groove A, the outer wall of the injection tube fixes the inner wall phase of plate with the L-type It supports.

9. contrast agent microbubble according to claim 6 vibrates infusing device, it is characterised in that: before the groove A has one Wall, the middle part of the antetheca offer a card slot from front to back；The contrast agent injection catheter is arranged in the card slot, is gone out Liquid end is set to outside the card slot and connect with the liquid feeding end of the injection needle, and liquid feeding end stretches to the groove from the card slot It is connect in A with Rule conehead of the barrel front end.

10. contrast agent microbubble according to claim 6 vibrates infusing device, it is characterised in that: the front end of the push block It is equipped with a spacing collar for going along with sb. to guard him the ear mount B phase forward, the internal diameter of the spacing collar and the outer diameter of the ear mount B are mutually fitted Match.