CN206534956U - The double infusing device of acoustic contrast agent with self-locking - Google Patents

Abstract

The double infusing device of acoustic contrast agent with self-locking, including rectangular first housing, first installation riser, first time positioning cylinder, positioning cylinder on first, first lower slider set, slip cap on first, first time support spring, support spring on first, first pull bar, first above pushes away post, first upper piston push-plate, first left intermediate plate, first right clamping piece, first syringe and the first lock pin, including rectangular second housing, second installation riser, second time positioning cylinder, positioning cylinder on second, second lower slider set, slip cap on second, second time support spring, support spring on second, second pull bar, second above pushes away post, second upper piston push-plate, second left intermediate plate, second right clamping piece, second syringe and the second lock pin, acoustic contrast agent in first syringe is rapidly injected in examinee's PeV, physiological saline in second syringe is rapidly injected in examinee's PeV, complete linkage and inject acoustic contrast agent and physiological saline.

Description

The double infusing device of acoustic contrast agent with self-locking

Technical field

The utility model is related to the double infusing device of the acoustic contrast agent with self-locking.

Background technology

Contrast-enhanced ultrasonography has been a kind of wider special examined method of popularization scope, with important clinical practice valency Value.In Contrast-enhanced ultrasonography, in addition to indispensability is with ultrasonic contrast function ultrasonic instrument and acoustic contrast agent, also one Very important link, that is, contrast agent and physiological saline need to be rapidly injected in examinee's PeV, and make contrast agent As fast as possible reaches heart, so as to ensure the accuracy and repeatability of associated ultrasonic radiography parameter, is favorably improved and examines Disconnected accuracy.

It is disadvantageous in that：The operating method in this link is by injecting acoustic contrast agent and life by hand at present Salt solution is managed, has injected after acoustic contrast agent, it is impossible to inject physiological saline automatically, has not produced linkage and inject, automaticity is not It is high, it is impossible to acoustic contrast agent and physiological saline is rapidly injected in examinee's PeV, acoustic contrast agent can not quickly reach To heart, rate of correct diagnosis is relatively low.

The content of the invention

For above-mentioned technical problem, the utility model provides a kind of：It is simple in construction, injected and pushed away automatically after acoustic contrast agent Note physiological saline, make acoustic contrast agent and physiological saline are rapidly injected in examinee's PeV, rate of correct diagnosis is high band from The double infusing device of the acoustic contrast agent of lock.

In order to solve the above technical problems, the utility model uses following technical scheme：Pair of acoustic contrast agent with self-locking Arrange infusing device, including rectangular first housing, the first installation riser, first time positioning cylinder, positioning cylinder on first, the Once slip cap, slip cap on first, first time support spring, support spring, the first pull bar, first above push away post, on first One upper piston push-plate, the first left intermediate plate, the first right clamping piece, the first syringe and the first lock pin, first installation riser fix peace In rectangular first shell body, the front end of first time positioning cylinder is fixedly mounted in the first installation riser, described The front end of positioning cylinder is fixedly mounted in the first installation riser on first, setting circle on first time positioning cylinder and first There is the first crack, first lower slider is set on first time positioning cylinder, is slidably located on described first between post On first on positioning cylinder, the top of the first lower slider set is connected with the bottom of slip cap on first, first pull bar Front end be connected with the afterbody of slip cap on first, it is external that the rear end of first pull bar is located at rectangular first shell, described First pull bar is located in the first crack, and the front end of first time support spring is fixed on the afterbody of the first lower slider set, institute The rear end for stating first time support spring is fixed on the afterbody of first time positioning cylinder, and the front end of support spring is consolidated on described first It is scheduled on first on the afterbody of slip cap, the rear end of support spring is fixed on the afterbody of positioning cylinder on first on described first On, described first, which above pushes away post, is fixedly mounted on first on slip cap, and the first upper piston push-plate is fixedly mounted on first Push away on post, rectangular first housing above pushes away post provided with first and moves forward and backward hole, and described first above pushes away post from first Push away post and move forward and backward in hole and stretch out, the first upper piston push-plate above pushes away post positioned at first and moved forward and backward above hole, described first Left intermediate plate and the first right clamping piece are fixedly mounted on the top of rectangular first housing, and first syringe is arranged on first Between left intermediate plate and the first right clamping piece, the first upper piston push-plate abuts cooperation, first lock with the piston of the first syringe Pin is on the sidepiece of rectangular first housing, and first lock pin is engaged with the first lower slider set, including rectangle The second housing, the second installation riser, second time positioning cylinder, positioning cylinder on second, the second lower slider set, slide on second Set, second time support spring, support spring, the second pull bar, second above push away post, the second upper piston push-plate, the second left folder on second Piece, the second right clamping piece, the second syringe and the second lock pin, second installation riser are fixedly mounted on rectangular second housing Interior, the front end of second time positioning cylinder is fixedly mounted in the second installation riser, the front end of positioning cylinder on described second It is fixedly mounted in the second installation riser, there is the second crack on second time positioning cylinder and second between positioning cylinder, Second lower slider is set on second time positioning cylinder, is slidably located on described second on second on positioning cylinder, institute The top for stating the second lower slider set is connected with the bottom of slip cap on second, slip cap on the front end and second of second pull bar Afterbody connection, the rear end of second pull bar is located at that rectangular second shell is external, and second pull bar is located at the second crack In, the front end of second time support spring is fixed on the afterbody of the second lower slider set, after second time support spring End is fixed on the afterbody of second time positioning cylinder, and the front end of support spring is fixed on the tail of slip cap on second on described second In portion, the rear end of support spring is fixed on second on the afterbody of positioning cylinder on described second, and described second, which above pushes away post, fixes On slip cap on second, the second upper piston push-plate is fixedly mounted on second and above pushed away on post, and described rectangular Two housings above push away post provided with second and move forward and backward hole, and described second above pushes away post above pushes away stretching during post moves forward and backward hole from second, The second upper piston push-plate above pushes away post positioned at second and moved forward and backward above hole, and the second left intermediate plate and the second right clamping piece are solid Dingan County on the top of rectangular second housing, second syringe be arranged on the second left intermediate plate and the second right clamping piece it Between, the second upper piston push-plate abuts cooperation with the piston of the second syringe, and second lock pin is arranged on rectangular second On the sidepiece of housing, second lock pin is engaged with the second lower slider set, the front end of rectangular second housing and length The right side of the first square housing is fixedly connected, including linkage sleeve pipe, linkage locating dowel, the linkage collar, linkage swing rod, linkage Support column and linkage spring, the front end of the linkage locating dowel is fixedly mounted in rectangular first inner walls, described Dynamic sleeve pipe is slidably set in linkage locating dowel, and the sidepiece of the linkage sleeve pipe is fixedly connected with slip cap on first, institute The front end that the linkage collar is fixedly mounted on linkage swing rod is stated, the rear end of the linkage swing rod abuts cooperation with slip cap on second, The linkage support column is fixedly mounted on the bottom plate of rectangular second housing, and the linkage swing rod is rotatably arranged on connection On dynamic support column, the linkage collar is slidably set in linkage locating dowel, and one end of the linkage spring covers with linkage Ring, which is abutted, to be coordinated, and the other end of the linkage spring abuts cooperation with rectangular second inner walls, it is described link sleeve pipe and The linkage collar is engaged.

The beneficial effect of double infusing device for the acoustic contrast agent with self-locking that the utility model is provided is：Due to including Rectangular first housing, the first installation riser, first time positioning cylinder, positioning cylinder, the first lower slider set, first on first Upper slip cap, first time support spring, support spring, the first pull bar, first above push away post, the first upper piston push-plate, on first One left intermediate plate, the first right clamping piece, the first syringe and the first lock pin, first installation riser are fixedly mounted on rectangular first In housing, the front end of first time positioning cylinder is fixedly mounted in the first installation riser, positioning cylinder on described first Front end is fixedly mounted in the first installation riser, has the first folder on first time positioning cylinder and first between positioning cylinder Seam, first lower slider is set on first time positioning cylinder, is slidably located on described first on first on positioning cylinder, The top of the first lower slider set is connected with the bottom of slip cap on first, is slided on the front end and first of first pull bar The afterbody connection of set, the rear end of first pull bar is located at rectangular first shell in vitro, and first pull bar is located at the first folder In seam, the front end of first time support spring is fixed on the afterbody of the first lower slider set, first time support spring Rear end is fixed on the afterbody of first time positioning cylinder, and the front end of support spring is fixed on slip cap on first on described first On afterbody, the rear end of support spring is fixed on first on the afterbody of positioning cylinder on described first, and described first, which above pushes away post, consolidates Dingan County is on slip cap on first, and the first upper piston push-plate is fixedly mounted on first and above pushed away on post, described rectangular First housing above pushes away post provided with first and moves forward and backward hole, and described first, which above pushes away post, above pushes away post from first and move forward and backward Kong Zhongshen Go out, the first upper piston push-plate above pushes away post positioned at first and moved forward and backward above hole, the first left intermediate plate and the first right clamping piece On the top for being fixedly mounted on rectangular first housing, first syringe is arranged on the first left intermediate plate and the first right clamping piece Between, the first upper piston push-plate abuts cooperation with the piston of the first syringe, and first lock pin is arranged on rectangular the On the sidepiece of one housing, first lock pin is engaged with the first lower slider set, including rectangular second housing, the second installation Riser, second time positioning cylinder, positioning cylinder on second, the second lower slider set, slip cap on second, second time support spring, Support spring, the second pull bar, second above push away post, the second upper piston push-plate, the second left intermediate plate, the second right clamping piece, second on second Syringe and the second lock pin, second installation riser are fixedly mounted in rectangular second shell body, second time setting circle The front end of post is fixedly mounted in the second installation riser, and the front end of positioning cylinder is fixedly mounted on the second installation and stood on described second On plate, there is the second crack on second time positioning cylinder and second between positioning cylinder, second lower slider is set in On second time positioning cylinder, it is slidably located on described second on second on positioning cylinder, the top of the second lower slider set It is connected with the bottom of slip cap on second, the front end of second pull bar is connected with the afterbody of slip cap on second, described second The rear end of pull bar is located at rectangular second shell in vitro, and second pull bar is located in the second crack, second time support bullet The front end of spring is fixed on the afterbody of the second lower slider set, and the rear end of second time support spring is fixed on second time setting circle On the afterbody of post, the front end of support spring is fixed on second on the afterbody of slip cap on described second, is supported on described second The rear end of spring is fixed on second on the afterbody of positioning cylinder, and described second, which above pushes away post, is fixedly mounted on slip cap on second On, the second upper piston push-plate is fixedly mounted on second and above pushed away on post, and rectangular second housing is provided with second Push away post and move forward and backward hole, described second above pushes away post above pushes away stretching, the second upper piston push-plate during post moves forward and backward hole from second Post is above pushed away positioned at second to move forward and backward above hole, the second left intermediate plate and the second right clamping piece are fixedly mounted on rectangular the On the top of two housings, second syringe is arranged between the second left intermediate plate and the second right clamping piece, and second upper piston is pushed away Disk abuts cooperation with the piston of the second syringe, and second lock pin is arranged on the sidepiece of rectangular second housing, and described the Two lock pins are engaged with the second lower slider set, the front end of rectangular second housing and the right side of rectangular first housing Portion is fixedly connected, including linkage sleeve pipe, linkage locating dowel, the linkage collar, linkage swing rod, linkage support column and linkage spring, institute The front end for stating linkage locating dowel is fixedly mounted in rectangular first inner walls, and the linkage sleeve pipe is slidably set in In the locating dowel that links, the sidepiece of the linkage sleeve pipe is fixedly connected with slip cap on first, and the linkage collar is fixedly mounted on The front end of linkage swing rod, the rear end of the linkage swing rod abuts cooperation with slip cap on second, and the linkage support column fixes peace On the bottom plate of rectangular second housing, the linkage swing rod is rotatably arranged on linkage support column, the linkage The collar is slidably set in linkage locating dowel, and one end of the linkage spring abuts cooperation, the linkage with the linkage collar The other end of spring abuts cooperation with rectangular second inner walls, and the linkage sleeve pipe is engaged with the linkage collar,

Therefore when in use, the first syringe has first extracted acoustic contrast agent, and the second syringe has first extracted physiological saline, and will First syringe and the second syringe are installed, and then pull open the first lock pin, and the first lower slider set is released from sliding on locking, first Set is quickly moved forward on first in the presence of support spring and first time support spring respectively with the first lower slider set, so that Drive first above to push away post quickly to move forward, first, which above pushes away post, drives the first upper piston push-plate quickly to move forward, living on first Plug push-plate drives the piston of the first syringe quickly to move forward so that be rapidly injected the acoustic contrast agent in the first syringe tested In person's PeV, then the second lock pin is pulled open, the second lower slider set is released from slip cap and second on locking, second and glided Dynamic set is quickly moved forward on second in the presence of support spring and second time support spring respectively, so as to drive second above to push away Post is quickly moved forward, and second, which above pushes away post, drives the second upper piston push-plate quickly to move forward, and the second upper piston push-plate drives the The piston of two syringes is quickly moved forward so that the physiological saline in the second syringe is rapidly injected in examinee's PeV,

When needing the linkage to inject acoustic contrast agent and physiological saline, only need first pull open the second lock pin, release the second lock pin The locking covered to the second lower slider, but slip cap can't be moved forward with the second lower slider set on second, be slided on second Set withstands locking by linkage swing rod, the first lock pin is pulled open, the first lower slider set is released from slip cap and first on locking, first Lower slider set is quickly moved forward on first in the presence of support spring and first time support spring respectively, so as to drive first Above push away post quickly to move forward, first, which above pushes away post, drives the first upper piston push-plate quickly to move forward, the first upper piston push-plate band The piston of dynamic first syringe is quickly moved forward, and the acoustic contrast agent in the first syringe is rapidly injected into examinee's PeV In, drive linkage sleeve pipe quickly to move forward while slip cap is quickly moved forward on first, the front end of linkage sleeve pipe will be hit Hit on the linkage collar, move forward the linkage collar and drive linkage swing rod to swing, so that the swing rod that links is released to sliding on second The locking of dynamic set, realizes that second above pushes away post and quickly move forward, second, which above pushes away post, drives the second upper piston push-plate quick to reach Dynamic, the second upper piston push-plate drives the piston of the second syringe quickly to move forward so that the physiological saline in the second syringe is fast In speed injection examinee's PeV, complete linkage and inject acoustic contrast agent and physiological saline, substantially increase rate of correct diagnosis.

Further, it is arranged with the first lower cushion on first time positioning cylinder, first lower cushion and the Once slip cap is engaged, and is arranged with the first upper cushion on described first on positioning cylinder, first upper cushion and the Slip cap is engaged on one, is arranged with the second lower cushion on second time positioning cylinder, second lower cushion and the Two lower slider sets are engaged, and are arranged with the second upper cushion on described second on positioning cylinder, second upper cushion and the Slip cap is engaged on two so that the head of the first lower slider set and slip cap on first is to impinge upon the first lower cushion respectively In the first upper cushion, it is to avoid directly impinge upon in the first installation riser so that the second lower slider is covered with being slided on second The head of set is impinged upon respectively in the second lower cushion and the second upper cushion, it is to avoid directly impinge upon the second installation riser On, so as to reduce noise, it is hardly damaged, use is more permanent.

Further, the afterbody of first pull bar is provided with the first circular pulling plate, and the afterbody of second pull bar is provided with the Two circular pulling plates so that more laborsaving when the first pull bar of pulling and the second pull bar.

Further, the described first left intermediate plate and the first right clamping piece be can deformation elastic clip, the described second left folder Piece and the second right clamping piece be can deformation elastic clip so that lay the first syringe and more facilitate during the second syringe, first It is more firm that syringe and the second syringe are installed.

The utility model will be further described with reference to the accompanying drawings and detailed description.

Brief description of the drawings

Fig. 1 be the utility model provide the acoustic contrast agent with self-locking double infusing device structural representation it One；

Fig. 2 is the internal structure schematic diagram of the double infusing device for the acoustic contrast agent with self-locking that the utility model is provided One of；

Fig. 3 is the internal structure schematic diagram of the double infusing device for the acoustic contrast agent with self-locking that the utility model is provided Two.

Embodiment

As shown in Figure 1, Figure 2 and Figure 3, the double infusing device for the acoustic contrast agent with self-locking that the utility model is provided Positioning cylinder 3 in embodiment, including rectangular first housing 1, the first installation riser 1-1, first time positioning cylinder 2, first, Slip cap 5 on first lower slider set 4, first, support spring 7 in first time support spring 6, first, on the first pull bar 8, first Post 9, the first upper piston push-plate 10, the first left intermediate plate 11, the first right clamping piece 12, the first syringe 13 and the first lock pin 14 are pushed away, it is described First installation riser 1-1 is fixedly mounted in rectangular first housing 1, and peace is fixed in the front end of first time positioning cylinder 2 On the first installation riser 1-1, the front end of positioning cylinder 3 is fixedly mounted on the first installation riser 1-1 on described first, institute Stating on first time positioning cylinder 2 and first has the first crack 15 between positioning cylinder 3, the first lower slider set 4 is located at the Once on positioning cylinder 2, slip cap 5 is located on first on positioning cylinder 3 on described first, the top of the first lower slider set 4 Portion is connected with the bottom of slip cap on first 5, and the front end of first pull bar 8 is connected with the afterbody of slip cap on first 5, described The rear end of first pull bar 8 is located at outside rectangular first housing 1, and first pull bar 8 is located in the first crack 15, and described first The front end of lower support spring 6 is fixed on the afterbody of the first lower slider set 4, and the rear end of first time support spring 6 is fixed on On the afterbody of first time positioning cylinder 2, the front end of support spring 7 is fixed on first on the afterbody of slip cap 5 on described first, The rear end of support spring 7 is fixed on first on the afterbody of positioning cylinder 3 on described first, and described first, which above pushes away post 9, fixes peace On slip cap on first 5, the first upper piston push-plate 10 is fixedly mounted on first and above pushed away on post 9, described rectangular First housing 1 above pushes away post 9 provided with first and moves forward and backward hole, and described first above pushes away post 9 above pushes away during post 9 moves forward and backward hole from first Stretch out, the first upper piston push-plate 10 above pushes away post 9 positioned at first and moved forward and backward above hole, the first left intermediate plate 11 and first Right clamping piece 12 is fixedly mounted on the top of rectangular first housing 1, and first syringe 13 is arranged on the first left intermediate plate 11 and first between right clamping piece 12, and the first upper piston push-plate 10 abuts cooperation, described first with the piston of the first syringe 13 Lock pin 14 is arranged on the sidepiece of rectangular first housing 1, and first lock pin 14 is engaged with the first lower slider set 4, is wrapped Include rectangular second housing 16, the second installation riser 17, on second time positioning cylinder 18, second under positioning cylinder 19, second Slip cap 21 on slip cap 20, second, support spring 23, the second pull bar 24, second are above pushed away in second time support spring 22, second Post 25, the second upper piston push-plate 26, the second left intermediate plate 27, the second right clamping piece 28, the second syringe 29 and the second lock pin 30, described Two installation risers 17 are fixedly mounted in rectangular second housing 16, and the front end of second time positioning cylinder 18 is fixedly mounted In the second installation riser 17, the front end of positioning cylinder 19 is fixedly mounted in the second installation riser 17 on described second, described There is the second crack 31, second lower slider set 20 is located at the on second time positioning cylinder 18 and second between positioning cylinder 19 On two times positioning cylinders 18, slip cap 21 is located on second on positioning cylinder 19 on described second, the second lower slider set 20 Top be connected with the bottom of slip cap on second 21, on the front end and second of second pull bar 24 slip cap 21 afterbody connect Connect, the rear end of second pull bar 24 is located at outside rectangular second housing 16, and second pull bar 24 is located at the second crack 31 In, the front end of second time support spring 22 is fixed on the afterbody of the second lower slider set 20, second time support spring 22 rear end is fixed on the afterbody of second time positioning cylinder 18, and the front end of support spring 23 is fixed on second on described second On the afterbody of slip cap 21, the rear end of support spring 23 is fixed on second on the afterbody of positioning cylinder 19 on described second, institute State second and above push away post 25 and be fixedly mounted on second on slip cap 21, the second upper piston push-plate 26 is fixedly mounted on second Push away on post 25, rectangular second housing 16 above pushes away post 25 provided with second and moves forward and backward hole, and described second above pushes away post 25 Above push away during post 25 moves forward and backward hole and stretch out from second, the second upper piston push-plate 26 above pushes away post 25 positioned at second and moves forward and backward hole Top, the second left right clamping piece 28 of intermediate plate 27 and second is fixedly mounted on the top of rectangular second housing 16, institute The second syringe 29 is stated between the second left right clamping piece 28 of intermediate plate 27 and second, the second upper piston push-plate 26 and the second pin The piston of cylinder 29, which is abutted, to be coordinated, and second lock pin 30 is arranged on the sidepiece of rectangular second housing 16, second lock Pin 30 is engaged with the second lower slider set 20, front end and rectangular first housing 1 of rectangular second housing 16 Right side is fixedly connected, including linkage sleeve pipe 1-2, linkage locating dowel 1-3, linkage collar 1-4, linkage swing rod 1-5, linkage support Post 1-6 and linkage spring 1-7, the linkage locating dowel 1-3 front end are fixedly mounted on the rectangular inwall of first housing 1, The linkage sleeve pipe 1-2 is slidably set on linkage locating dowel 1-3, sliding on the sidepiece and first of the linkage sleeve pipe 1-2 Dynamic set 5 is fixedly connected, and the linkage collar 1-4 is fixedly mounted on after linkage swing rod 1-5 front end, the linkage swing rod 1-5 End abuts cooperation with slip cap on second, and the linkage support column 1-6 is fixedly mounted on the bottom plate of rectangular second housing 16 On, the linkage swing rod 1-5 is rotatably arranged on linkage support column 1-6, and the linkage collar 1-4 is slidably set in On the locating dowel that links 1-3, one end of the linkage spring 1-7 abuts cooperation with linkage collar 1-4, the linkage spring 1-7's The other end abuts cooperation with the rectangular inwall of second housing 16, and the linkage sleeve pipe 1-2 is engaged with linkage collar 1-4, institute State and the first lower cushion be arranged with first time positioning cylinder 2, first lower cushion is engaged with the first lower slider set 4, The first upper cushion is arranged with described first on positioning cylinder 3, first upper cushion matches with slip cap on first 5 Close, the second lower cushion, second lower cushion and the second lower slider set 20 are arranged with second time positioning cylinder 18 It is engaged, is arranged with the second upper cushion, second upper cushion and second and slides on positioning cylinder 19 on described second Set 21 is engaged, and the afterbody of first pull bar 8 is provided with the first circular pulling plate, and the afterbody of second pull bar 24 is provided with the second circle Shape pulling plate, the first left right clamping piece 12 of intermediate plate 11 and first be can deformation elastic clip, the second left He of intermediate plate 27 Second right clamping piece 28 be can deformation elastic clip.

As needed, specific embodiment of the present utility model is disclosed herein, it will be appreciated that the disclosed embodiments Simply demonstrate the utility model, the utility model there can be different and alternative form to implement.Accompanying drawing is not necessarily drawn to scale.Cause This, concrete structure and function detail disclosed herein be understood not to it is in a limiting sense, but only as representative base Plinth implements the utility model to instruct those skilled in the art to use.Based on the embodiment in the utility model, this area is common The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the utility model protection Scope.

Claims (5)

1. the double infusing device of the acoustic contrast agent with self-locking, it is characterised in that：Including rectangular first housing (1), It is one installation riser (1-1), first time positioning cylinder (2), positioning cylinder (3) on first, the first lower slider set (4), sliding on first Dynamic set (5), first time support spring (6), support spring (7) on first, the first pull bar (8), first above push away post (9), on first Piston push-plate (10), the first left intermediate plate (11), the first right clamping piece (12), the first syringe (13) and the first lock pin (14), described One installation riser (1-1) is fixedly mounted in rectangular first housing (1), and the front end of first time positioning cylinder (2) is consolidated Dingan County is in the first installation riser (1-1), and the front end of positioning cylinder (3) is fixedly mounted on the first installation riser on described first On (1-1), there is the first crack (15), described first on first time positioning cylinder (2) and first between positioning cylinder (3) Lower slider set (4) is located on first time positioning cylinder (2), and slip cap (5) is located at positioning cylinder on first (3) on described first On, the top of the first lower slider set (4) is connected with the bottom of slip cap on first (5), the front end of first pull bar (8) It is connected with the afterbody of slip cap on first (5), the rear end of first pull bar (8) is located at rectangular first housing (1) outside, institute The first pull bar (8) is stated in the first crack (15), the front end of first time support spring (6) is fixed on the first lower slider set (4) on afterbody, the rear end of first time support spring (6) is fixed on the afterbody of first time positioning cylinder (2), and described The front end of support spring (7) is fixed on the afterbody of slip cap on first (5) on one, on described first after support spring (7) End is fixed on the afterbody of positioning cylinder on first (3), and described first, which above pushes away post (9), is fixedly mounted on slip cap on first (5) On, the first upper piston push-plate (10) is fixedly mounted on first and above pushed away on post (9), on rectangular first housing (1) Post (9) is above pushed away provided with first and moves forward and backward hole, and described first above pushes away post (9) above pushes away stretching during post (9) moves forward and backward hole from first, The first upper piston push-plate (10) above pushes away post (9) positioned at first and moved forward and backward above hole, the first left intermediate plate (11) and the One right clamping piece (12) is fixedly mounted on the top of rectangular first housing (1), and first syringe (13) is arranged on the Between one left intermediate plate (11) and the first right clamping piece (12), the first upper piston push-plate (10) and the piston of the first syringe (13) are supported Connect cooperation, first lock pin (14) is arranged on the sidepiece of rectangular first housing (1), first lock pin (14) and the Once slip cap (4) is engaged, including rectangular second housing (16), the second installation riser (17), second time positioning cylinder (18), positioning cylinder (19) on second, the second lower slider set (20), slip cap (21) on second, second time support spring (22), Support spring (23), the second pull bar (24), second above push away post (25), the second upper piston push-plate (26), the second left intermediate plate on second (27), the second right clamping piece (28), the second syringe (29) and the second lock pin (30), second installation riser (17) are fixedly mounted on In rectangular second housing (16), the front end of second time positioning cylinder (18) is fixedly mounted on the second installation riser (17) On, the front end of positioning cylinder (19) is fixedly mounted in the second installation riser (17) on described second, second time setting circle There is the second crack (31), the second lower slider set (20) is located under second on post (18) and second between positioning cylinder (19) On positioning cylinder (18), slip cap (21) is located on positioning cylinder on second (19) on described second, the second lower slider set (20) top is connected with the bottom of slip cap on second (21), slip cap on the front end and second of second pull bar (24) (21) afterbody connection, the rear end of second pull bar (24) is located at rectangular second housing (16) outside, second pull bar (24) it is located in the second crack (31), the front end of second time support spring (22) is fixed on the tail of the second lower slider set (20) In portion, the rear end of second time support spring (22) is fixed on the afterbody of second time positioning cylinder (18), on described second The front end of support spring (23) is fixed on the afterbody of slip cap on second (21), the rear end of support spring (23) on described second On the afterbody for being fixed on positioning cylinder on second (19), described second, which above pushes away post (25), is fixedly mounted on slip cap on second (21) On, the second upper piston push-plate (26) is fixedly mounted on second and above pushed away on post (25), rectangular second housing (16) Post (25) is above pushed away provided with second and moves forward and backward hole, and described second above pushes away post (25) above pushes away during post (25) moves forward and backward hole from second Stretch out, the second upper piston push-plate (26) above pushes away post (25) positioned at second and moved forward and backward above hole, the second left intermediate plate (27) it is fixedly mounted on the top of rectangular second housing (16) with the second right clamping piece (28), second syringe (29) Between the second left intermediate plate (27) and the second right clamping piece (28), the second upper piston push-plate (26) and the second syringe (29) Piston abut coordinate, second lock pin (30) be arranged on rectangular second housing (16) sidepiece on, it is described second lock Pin (30) is engaged with the second lower slider set (20), front end and the rectangular first shell of rectangular second housing (16) The right side of body (1) is fixedly connected, including linkage sleeve pipe (1-2), linkage locating dowel (1-3), the linkage collar (1-4), linkage swinging Bar (1-5), linkage support column (1-6) and linkage spring (1-7), the front end of the linkage locating dowel (1-3) are fixedly mounted on length On square the first housing (1) inwall, the linkage sleeve pipe (1-2) is slidable to be set in linkage locating dowel (1-3), described The sidepiece of linkage sleeve pipe (1-2) is fixedly connected with slip cap on first (5), and the linkage collar (1-4) is fixedly mounted on linkage The front end of swing rod (1-5), the rear end of the linkage swing rod (1-5) abuts cooperation, the linkage support column with slip cap on second (1-6) is fixedly mounted on the bottom plate of rectangular second housing (16), and the linkage swing rod (1-5) is rotatably arranged on connection On dynamic support column (1-6), the linkage collar (1-4) is slidable to be set in linkage locating dowel (1-3), the linkage spring The one end of (1-7) abuts cooperation, the other end and rectangular second shell of the linkage spring (1-7) with the linkage collar (1-4) Body (16) inwall, which is abutted, to be coordinated, and the linkage sleeve pipe (1-2) is engaged with the linkage collar (1-4).

2. the double infusing device of the acoustic contrast agent according to claim 1 with self-locking, it is characterised in that：Described first The first lower cushion is arranged with lower positioning cylinder (2), first lower cushion is engaged with the first lower slider set (4), institute State and the first upper cushion is arranged with positioning cylinder on first (3), slip cap (5) matches in first upper cushion and first Close, the second lower cushion, second lower cushion and the second lower slider set are arranged with second time positioning cylinder (18) (20) it is engaged, is arranged with the second upper cushion, second upper cushion and second on described second on positioning cylinder (19) Upper slip cap (21) is engaged.

3. the double infusing device of the acoustic contrast agent according to claim 1 or 2 with self-locking, it is characterised in that：It is described The afterbody of first pull bar (8) is provided with the first circular pulling plate, and the afterbody of second pull bar (24) is provided with the second circular pulling plate.

4. the double infusing device of the acoustic contrast agent according to claim 1 or 2 with self-locking, it is characterised in that：It is described First left intermediate plate (11) and the first right clamping piece (12) be can deformation elastic clip, the second left intermediate plate (27) and second right Intermediate plate (28) be can deformation elastic clip.

5. the double infusing device of the acoustic contrast agent according to claim 3 with self-locking, it is characterised in that：Described first Left intermediate plate (11) and the first right clamping piece (12) be can deformation elastic clip, the second left intermediate plate (27) and the second right clamping piece (28) be can deformation elastic clip.