CN111938703A - Automatic activation device for right heart acoustic contrast agent - Google Patents

Automatic activation device for right heart acoustic contrast agent Download PDF

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Publication number
CN111938703A
CN111938703A CN202010822361.XA CN202010822361A CN111938703A CN 111938703 A CN111938703 A CN 111938703A CN 202010822361 A CN202010822361 A CN 202010822361A CN 111938703 A CN111938703 A CN 111938703A
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China
Prior art keywords
sleeve
electric push
push rod
piston
connecting pipe
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CN202010822361.XA
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Chinese (zh)
Inventor
杜亚娟
谢学刚
张玉顺
邵珲
赵恩法
闫丹丹
罗晓惠
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First Affiliated Hospital of Medical College of Xian Jiaotong University
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First Affiliated Hospital of Medical College of Xian Jiaotong University
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Priority to CN202010822361.XA priority Critical patent/CN111938703A/en
Publication of CN111938703A publication Critical patent/CN111938703A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/48—Diagnostic techniques
    • A61B8/481—Diagnostic techniques involving the use of contrast agent, e.g. microbubbles introduced into the bloodstream
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
    • A61B8/0883—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of the heart
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
    • A61J1/2089—Containers or vials which are to be joined to each other in order to mix their contents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
    • A61J1/2096—Combination of a vial and a syringe for transferring or mixing their contents

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Physics & Mathematics (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Cardiology (AREA)
  • Hematology (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention discloses an automatic right heart acoustic contrast agent activation device which comprises a first sleeve, a first piston rod, a first electric push rod, a first connecting pipe, a first valve port connecting pipe and an inductive switch, wherein the first sleeve is arranged on the first piston rod; the physiological saline is quantitatively extracted through the first sleeve, the first piston rod, the first electric push rod and the first connecting pipe, so that the matching accuracy is ensured; the first electric push rod, the second sleeve, the second piston rod, the first valve port connecting pipe and the inductive switch are used for quantitatively extracting blood of a patient, and the blood extracting passage is automatically closed after a preset value is extracted, so that subsequent steps can be conveniently carried out; the liquid shunting is prevented by the one-way valve when the physiological saline in the second sleeve and the blood mixed liquid are injected; through third electric putter, one-level piston recess, one-level spring, second grade piston recess, second grade spring and tertiary piston to liquid and air mixing after push-and-pull repeatedly, utilize each recess to carry out intensive mixing to it.

Description

Automatic activation device for right heart acoustic contrast agent
Technical Field
The invention relates to the technical field of medical assistance, in particular to an automatic activation device for a right heart acoustic contrast agent.
Background
At present, when right heart acoustic radiography is carried out, the manual operation injector and the three-way valve are utilized to prepare the air microbubble contrast agent, in the process, medical personnel can prepare normal saline and air, and the mixed liquid and the air are repeatedly pushed by the two injectors to carry out manual mixed operation after blood is pumped out, so that the process is complicated, the working pressure of the medical personnel is increased, and the quality of the air microbubble contrast agent cannot be guaranteed.
Disclosure of Invention
In view of the problems in the prior art, the invention discloses an automatic right heart acoustic contrast agent activation device which adopts the technical scheme that the automatic right heart acoustic contrast agent activation device comprises a bottom plate, a fixing platform, a normal saline bag, a normal saline outlet, external threads, a first sleeve, a first piston rod, a control device, a storage battery, a first electric push rod, an electric push rod mounting frame, first fixing screws, a first connecting pipe, a second electric push rod, a third electric push rod, a second piston rod, a third piston rod, a second sleeve, a third sleeve, second fixing screws, a sleeve fixing frame, a first valve port connecting pipe, a second valve port connecting pipe, a third valve port connecting pipe, an electromagnetic three-way valve, a blood drawing hose, a threaded connector and a clamping buckle; the fixed platform is arranged at the top on the left side of the rear part of the bottom plate; the physiological saline bag is fixed on the fixed platform; a normal saline outlet is arranged on the right side surface of the normal saline bag; the physiological saline outlet contains internal threads; the left end part of the first sleeve is provided with an external thread and matched with an internal thread in a normal saline outlet; the right end of the first sleeve is fixed at the end head of the first electric push rod; the control device and the storage battery are arranged at the rear part of the top surface of the bottom plate side by side; the right end of the first electric push rod is fixed on the electric push rod mounting rack; the electric push rod mounting rack is fixed on the bottom plate through a first fixing screw; (ii) a The second electric push rod is arranged at the protruding position of the front part of the fixed platform through an electric push rod mounting frame and is positioned in the middle of the bottom plate; the third electric push rod is fixed on the front end of the bottom plate through an electric push rod mounting frame and a first fixing screw; the left end of the second piston rod is fixed on the second electric push rod, and the right end of the second piston rod is sleeved in the second sleeve; the left end of the third electric push rod is fixed on the third electric push rod, and the right end of the third electric push rod is sleeved on the third sleeve; the first sleeve, the second sleeve and the third sleeve are fixed on the bottom plate through the matching of a second fixing screw and a sleeve fixing frame; the upper part of the sleeve fixing frame is openable; the first sleeve and the second sleeve are directly communicated by a first connecting pipe; the second sleeve is communicated with the left side of the electromagnetic three-way valve through a first valve port connecting pipe; the third sleeve is communicated with the front end of the electromagnetic three-way valve through a second valve port connecting pipe; the blood drawing hose is communicated with the right end of the electromagnetic three-way valve through a third valve port connecting pipe, and the other end of the blood drawing hose is provided with a threaded joint connected with the venous indwelling needle; the end parts of the first electric push rod, the second electric push rod and the third electric push rod are all provided with clamping buckles; the first electric push rod, the second electric push rod and the third electric push rod are connected with each piston rod through clamping buckles; the first electric push rod, the second electric push rod and the third electric push rod are all electrically connected with the storage battery through a control device; the electromagnetic three-way valve is electrically connected with the storage battery through a control device.
As a preferable technical solution of the present invention, the first connection pipe includes a check valve; the first connecting pipe is connected with the second sleeve from the side of the first sleeve in a downward inclination manner; the first connecting pipe is an 8mL capacity connecting pipe; and a one-way valve is arranged on the first connecting pipe close to the second sleeve.
As a preferred technical solution of the present invention, the second sleeve includes a top groove, a mounting block, an inductive switch and an inductive plate; a top groove is formed in the top of the joint of the second sleeve and the first valve port connecting pipe; a mounting block is fixed in the top groove; the mounting block is provided with an inductive switch; the thickness of the piston in the second sleeve is one third of the length of the second sleeve; the lower part of the mounting block is provided with an induction plate; the inductive switch is electrically connected with the storage battery through the control device.
In a preferred embodiment of the present invention, the first valve port connection pipe is a 1mL capacity connection pipe.
As a preferred technical scheme of the present invention, the third sleeve comprises an air-extracting pipeline, an air-extracting one-way valve, a primary piston groove, a primary spring, a secondary piston groove, a secondary spring and a tertiary piston; a first-stage piston is mounted at the end of a third piston rod in the third sleeve; a primary piston groove is formed in the end face of the right side of the primary piston; a primary spring is arranged on the primary piston groove; the other end of the primary spring is connected with a secondary piston; a secondary piston groove is formed in the secondary piston; a secondary spring is arranged on the secondary piston groove; the right end of the second-stage spring is fixedly connected with a third-stage piston.
The invention has the beneficial effects that: the physiological saline is quantitatively extracted through the first sleeve, the first piston rod, the first electric push rod and the first connecting pipe, so that the matching accuracy is ensured; the first electric push rod, the second sleeve, the second piston rod, the first valve port connecting pipe and the inductive switch are used for quantitatively extracting blood of a patient, and the blood extracting passage is automatically closed after a preset value is extracted, so that subsequent steps can be conveniently carried out; the liquid shunting is prevented by the one-way valve when the physiological saline in the second sleeve and the blood mixed liquid are injected; through third electric putter, one-level piston recess, one-level spring, second grade piston recess, second grade spring and tertiary piston to liquid and air mixing after push-and-pull repeatedly, utilize each recess to carry out intensive mixing to it.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of a second sleeve portion of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A of the present invention;
fig. 4 is a schematic structural view of a third sleeve portion of the present invention.
In the figure: 1-bottom plate, 2-fixed platform, 3-normal saline bag, 4-normal saline outlet, 5-external thread, 6-first sleeve, 7-first piston rod, 8-control device, 9-storage battery, 10-first electric push rod, 11-electric push rod mounting rack, 12-first fixed screw, 13-first connecting pipe, 1301-one-way valve, 14-second electric push rod, 15-third electric push rod, 16-second piston rod, 17-third piston rod, 18-second sleeve, 19-third sleeve, 1901-air exhaust pipeline, 1902-air exhaust one-way valve, 20-second fixed screw, 21-sleeve fixing rack, 22-first valve port connecting pipe, 23-second valve port connecting pipe, 24-third valve port connecting pipe, 25-electromagnetic three-way valve, 26-blood drawing hose, 2601-threaded joint, 27-top groove, 28-mounting block, 29-inductive switch, 30-inductive plate, 31-primary piston, 32-primary piston groove, 33-primary spring, 34-secondary piston, 35-secondary piston groove, 36-secondary spring, 37-tertiary piston and clamping buckle.
Detailed Description
Example 1
As shown in fig. 1 to 4, the invention discloses an automatic right heart acoustic contrast medium activation device, which adopts the technical scheme that the device comprises a bottom plate 1, a fixed platform 2, a saline bag 3, a saline outlet 4, an external thread 5, a first sleeve 6, a first piston rod 7, a control device 8, a storage battery 9, a first electric push rod 10, an electric push rod mounting rack 11, a first fixing screw 12, a first connecting pipe 13, a second electric push rod 14, a third electric push rod 15, a second piston rod 16, a third piston rod 17, a second sleeve 18, a third sleeve 19, a second fixing screw 20, a sleeve fixing rack 21, a first valve port connecting pipe 22, a second valve port connecting pipe 23, a third valve port connecting pipe 24, an electromagnetic three-way valve 25, a blood drawing hose 26, a threaded connector 2601 and a clamping buckle; the fixed platform 2 is arranged on the top of the left side of the rear part of the bottom plate 1; the physiological saline bag 3 is fixed on the fixed platform 2; a normal saline outlet 4 is arranged on the right side of the normal saline bag 3; the physiological saline outlet 4 contains internal threads; the left end part of the first sleeve 6 is provided with an external thread 5 and matched with an internal thread in the physiological saline outlet 4; the right end of the first sleeve 6 is fixed at the end head of the first electric push rod 10; the control device 8 and the storage battery 9 are arranged at the rear part of the upper top surface of the bottom plate 1 side by side; the right end of the first electric push rod 10 is fixed on the electric push rod mounting rack 11; the electric push rod mounting rack 11 is fixed on the bottom plate 1 through a first fixing screw 12; the second electric push rod 14 is arranged at the front protruding position of the fixed platform 2 through the electric push rod mounting rack 11 and is positioned in the middle of the bottom plate 1; the third electric push rod 15 is fixed on the front end of the bottom plate 1 through an electric push rod mounting frame 11 and a first fixing screw 12; the left end of the second piston rod 16 is fixed on the second electric push rod 14, and the right end is sleeved in the second sleeve 18; the left end of the third electric push rod 15 is fixed on the third electric push rod 15, and the right end of the third electric push rod is sleeved on the third sleeve 19; the first sleeve 6, the second sleeve 18 and the third sleeve 19 are all fixed on the bottom plate 1 through the matching of a second fixing screw 20 and a sleeve fixing frame 21; the upper part of the sleeve fixing frame 21 is openable; the first sleeve 6 and the second sleeve 18 are directly communicated by the first connecting pipe 13; the second sleeve 18 is communicated with the left side of the electromagnetic three-way valve 25 through a first valve port connecting pipe 22; the third sleeve 19 is communicated with the front end of the electromagnetic three-way valve 25 through a second valve port connecting pipe 23; the blood drawing hose 26 is communicated with the right end of the electromagnetic three-way valve 25 through a third valve port connecting pipe 24, and the other end is provided with a threaded connector 2601 to be connected with a venous indwelling needle; the end parts of the first electric push rod 10, the second electric push rod 14 and the third electric push rod 15 are all provided with clamping buckles; the first electric push rod 10, the second electric push rod 14 and the third electric push rod 15 are connected with each piston rod through clamping buckles; the first electric push rod 10, the second electric push rod 14 and the third electric push rod 15 are all electrically connected with the storage battery 9 through the control device 8; the electromagnetic three-way valve 25 is electrically connected with the battery 9 through the control device 8.
As a preferred technical solution of the present invention, the first connection pipe 13 includes a check valve 1301; the first connecting pipe 13 is connected to the second sleeve 18 from the side of the first sleeve 6 in a downward inclined manner; the first connecting pipe 13 is an 8mL capacity connecting pipe; a check valve 1301 is mounted on the first connecting pipe 13 near the second sleeve 18.
As a preferred technical solution of the present invention, the second sleeve 18 includes a top slot 27, a mounting block 28, an inductive switch 29 and an inductive plate 30; a top groove 27 is formed at the top of the joint of the second sleeve 18 and the first valve port connecting pipe 22; a mounting block 28 is fixed in the top groove 27; the mounting block 28 is provided with an inductive switch 29; the thickness of the piston in the second sleeve 18 is one third of the length of the second sleeve 18; the lower part of the mounting block 28 is provided with a sensing plate 30; the inductive switch 29 is electrically connected to the battery 9 via the control device 8.
In a preferred embodiment of the present invention, the first port connection pipe 22 is a 1mL capacity connection pipe.
As a preferred technical solution of the present invention, the third sleeve 19 includes a suction pipe 1901, a suction check valve 1902, a primary piston 31, a primary piston groove 32, a primary spring 33, a secondary piston 34, a secondary piston groove 35, a secondary spring 36 and a tertiary piston 37; an air exhaust pipeline 1901 is arranged at the right end of the third sleeve 19; the air exhaust pipeline 1901 is provided with an air exhaust one-way valve 1902; a primary piston 31 is arranged at the end of a third piston rod 17 in the third sleeve 19; a primary piston groove 32 is formed in the right end face of the primary piston 31; a primary spring 33 is arranged on the primary piston groove 32; the other end of the primary spring 33 is connected with a secondary piston 34; a secondary piston groove 35 is formed in the secondary piston 34; a secondary spring 36 is arranged on the secondary piston groove 35; the right end of the second-stage spring 36 is fixedly connected with a third-stage piston 37.
The working principle of the invention is as follows: when the blood drawing device is used, the blood drawing hose 26 is firstly connected to the indwelling needle inserted by a patient, the control device 8 is utilized to open the first electric push rod 10 to draw the physiological saline, the physiological saline enters the first connecting pipe 13 in the drawing process, the first electric push rod 10 is pushed back after running for a set time, the first connecting pipe 13 is an 8mL connecting pipe, so that the physiological saline which is shunted to the first connecting pipe 13 in the drawing process is 8mL, and is accurate, and the first connecting pipe 13 inclines downwards, so the physiological saline in the first connecting pipe cannot be pushed back in the pushing back process of the first electric push rod 10; while the first electric push rod 10 is running, the control device 8 starts the third electric push rod 15 to run for a set time to draw in a fixed amount of air through the air suction pipeline 1901 and prevent the air from overflowing due to the existence of the air suction one-way valve 1902; because the thickness of the piston in the second sleeve 18 is larger, when the first electric push rod 10 drives the first piston rod 7 to extract the saline, the saline in the first connecting pipe 13 does not directly flow into the second sleeve 18, after the first electric push rod 10 is pushed back, the control device 8 starts the second electric push rod 14 to move left for a predetermined time, so that the inner piston moves left to expose the first connecting pipe 13 and the interface thereof, the saline in the first connecting pipe 13 flows into the second sleeve 18, in the process, the control device 8 simultaneously starts the electromagnetic three-way valve 25 to start the blood extraction passage, so that the second electric push rod 14 performs blood extraction in the left moving process, and the blood extraction amount is controlled by the left moving time of the second electric push rod 14; then moves to the right, because the one-way valve 1301 prevents the physiological saline from flowing back to the first connecting pipe 13, when the control device 8 controls the second electric push rod 14 to operate to the right, the electromagnetic three-way valve 25 is used for closing the blood drawing passage and opening the interface of the second valve port connecting pipe 23, so that the mixed liquid of the blood and the physiological saline in the second sleeve 18 is pushed into the third sleeve 19, then the second electric push rod 14 returns to the initial position, the control device 8 closes the passage at the second valve port connecting pipe 23, then the control device 8 opens the third electric push rod 15 to move left and right according to the set operation time, in the repeated left and right movement process, because the air only accounts for a part, the liquid and the air can move to the first-stage piston groove 32 and the second-stage piston groove 35, and because of the friction force and the existence of each stage spring when each piston moves in the sleeve, the first, The space formed between the secondary piston groove 35 and each piston is repeatedly stretched and compressed, air and liquid are fully mixed to prepare the required air microbubble contrast agent in the process, after the third electric push rod 15 repeatedly runs for a set time, the control device 8 opens a passage between the second valve port connecting pipe 23 and the third valve port connecting pipe 24, and the third electric push rod 15 drives the third piston rod 17 and each piston to rapidly inject the mixed liquid through the blood drawing hose 26, and the thickness of each piston in the third sleeve 19 can be matched with each piston groove, so that the activated contrast agent in the third sleeve 19 can be completely injected, the full-automatic operation of mixing and injecting can be realized under the control of the control device 8 in the whole process, and manual auxiliary injecting is not needed; when the sleeve fixing frame is used for the next time, the sleeve fixing frame 21 is opened, the sleeve is integrally placed on the sleeve fixing frame 21, the position of the sleeve is adjusted to be connected with the end part of each electric push rod through the clamping buckle, and then the upper part of the sleeve fixing frame 21 is closed to fix each sleeve, so that the next operation and use are facilitated.
The control device provided by the invention adopts an STM32 control chip, and the related circuit is an ordinary means adopted by a person skilled in the art, can obtain technical inspiration through limited tests, and belongs to the widely used prior art.
Components not described in detail herein are prior art.
Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims (5)

1. An automatic right heart acoustic contrast agent activation device, comprising: the device comprises a bottom plate (1), a fixing platform (2), a normal saline bag (3), a normal saline outlet (4), external threads (5), a first sleeve (6), a first piston rod (7), a control device (8), a storage battery (9), a first electric push rod (10), an electric push rod mounting rack (11), first fixing screws (12), a first connecting pipe (13), a second electric push rod (14), a third electric push rod (15), a second piston rod (16), a third piston rod (17), a second sleeve (18), a third sleeve (19), second fixing screws (20), a sleeve fixing rack (21), a first valve port connecting pipe (22), a second valve port connecting pipe (23), a third valve port connecting pipe (24), an electromagnetic three-way valve (25), a blood drawing hose (26) and a threaded connector (2601); the fixed platform (2) is arranged at the top of the left side of the rear part of the bottom plate (1); the physiological saline bag (3) is fixed on the fixed platform (2); a normal saline outlet (4) is arranged on the right side surface of the normal saline bag (3); the physiological saline outlet (4) contains internal threads; the left end part of the first sleeve (6) is provided with an external thread (5) and matched with an internal thread in the physiological saline outlet (4); the right end of the first sleeve (6) is fixed at the end head of the first electric push rod (10); the control device (8) and the storage battery (9) are arranged at the rear part of the upper top surface of the bottom plate (1) side by side; the right end of the first electric push rod (10) is fixed on the electric push rod mounting rack (11); the electric push rod mounting rack (11) is fixed on the bottom plate (1) through a first fixing screw (12); the second electric push rod (14) is arranged at the front protruding position of the fixed platform (2) through an electric push rod mounting rack (11) and is positioned in the middle of the bottom plate (1); the third electric push rod (15) is fixed on the front end of the bottom plate (1) through an electric push rod mounting frame (11) and a first fixing screw (12); the left end of the second piston rod (16) is fixed on a second electric push rod (14), and the right end of the second piston rod is sleeved in a second sleeve (18); the left end of the third electric push rod (15) is fixed on the third electric push rod (15), and the right end of the third electric push rod is sleeved on the third sleeve (19); the first sleeve (6), the second sleeve (18) and the third sleeve (19) are fixed on the bottom plate (1) through the matching of a second fixing screw (20) and a sleeve fixing frame (21); the upper part of the sleeve fixing frame (21) is openable; the first sleeve (6) and the second sleeve (18) are directly communicated by a first connecting pipe (13); the second sleeve (18) is communicated with the left side of the electromagnetic three-way valve (25) through a first valve port connecting pipe (22); the third sleeve (19) is communicated with the front end of the electromagnetic three-way valve (25) through a second valve port connecting pipe (23); the blood drawing hose (26) is communicated with the right end of the electromagnetic three-way valve (25) through a third valve port connecting pipe (24), and the other end of the blood drawing hose is provided with a threaded connector (2601) connected with the venous indwelling needle; the end parts of the first electric push rod (10), the second electric push rod (14) and the third electric push rod (15) are respectively provided with a clamping buckle; the first electric push rod (10), the second electric push rod (14) and the third electric push rod (15) are connected with each piston rod through clamping buckles; the first electric push rod (10), the second electric push rod (14) and the third electric push rod (15) are electrically connected with the storage battery (9) through the control device (8); the electromagnetic three-way valve (25) is electrically connected with the storage battery (9) through a control device (8).
2. The right heart acoustic contrast agent automatic activation device according to claim 1, wherein: the first connection pipe (13) comprises a one-way valve (1301); the first connecting pipe (13) is connected to the second sleeve (18) by the first sleeve (6) in a manner of inclining downwards; the first connecting pipe (13) is an 8mL capacity connecting pipe; and a one-way valve (1301) is arranged on the first connecting pipe (13) close to the second sleeve (18).
3. The right heart acoustic contrast agent automatic activation device according to claim 2, wherein: the second sleeve (18) comprises a top groove (27), a mounting block (28), an inductive switch (29) and an inductive plate (30); the top of the joint of the second sleeve (18) and the first valve port connecting pipe (22) is provided with a top groove (27); a mounting block (28) is fixed in the top groove (27); an inductive switch (29) is arranged on the mounting block (28); the thickness of the piston in the second sleeve (18) is one third of the length of the second sleeve (18); the lower part of the mounting block (28) is provided with a sensing plate (30); the inductive switch (29) is electrically connected with the storage battery (9) through a control device (8)).
4. The right heart acoustic contrast agent automatic activation device according to claim 3, wherein: the first valve port connecting pipe (22) is a 1mL capacity connecting pipe.
5. The right heart acoustic contrast agent automatic activation device according to claim 4, wherein: the third sleeve (19) comprises an air exhaust pipeline (1901), an air exhaust check valve (1902), a primary piston (31), a primary piston groove (32), a primary spring (33), a secondary piston (34), a secondary piston groove (35), a secondary spring (36) and a tertiary piston (37); an air exhaust pipeline (1901) is installed at the right end of the third sleeve (19); the air exhaust pipeline (1901) is provided with an air exhaust one-way valve (1902); a first-stage piston (31) is mounted at the end of a third piston rod (17) in the third sleeve (19); a primary piston groove (32) is formed in the right end face of the primary piston (31); a primary spring (33) is arranged on the primary piston groove (32); the other end of the primary spring (33) is connected with a secondary piston (34); a secondary piston groove (35) is formed in the secondary piston (34); a secondary spring (36) is arranged on the secondary piston groove (35); the right end of the second-stage spring (36) is fixedly connected with a third-stage piston (37).
CN202010822361.XA 2020-08-17 2020-08-17 Automatic activation device for right heart acoustic contrast agent Pending CN111938703A (en)

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Cited By (2)

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CN115068745A (en) * 2022-07-25 2022-09-20 福建医科大学附属第一医院 Right heart acoustic radiography syringe
CN117398546A (en) * 2023-12-14 2024-01-16 无忧跳动医疗科技(深圳)有限公司 Device and method for automated foaming test

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CN109350114A (en) * 2018-11-28 2019-02-19 广东省人民医院(广东省医学科学院) A kind of multifunctional heart color ultrasound acoustic contrast check device
CN111035829A (en) * 2019-12-30 2020-04-21 北京大学深圳医院 Special contrast agent configuration device and method for right heart acoustic angiography

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CN109350114A (en) * 2018-11-28 2019-02-19 广东省人民医院(广东省医学科学院) A kind of multifunctional heart color ultrasound acoustic contrast check device
CN111035829A (en) * 2019-12-30 2020-04-21 北京大学深圳医院 Special contrast agent configuration device and method for right heart acoustic angiography

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* Cited by examiner, † Cited by third party
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CN115068745A (en) * 2022-07-25 2022-09-20 福建医科大学附属第一医院 Right heart acoustic radiography syringe
CN117398546A (en) * 2023-12-14 2024-01-16 无忧跳动医疗科技(深圳)有限公司 Device and method for automated foaming test
CN117398546B (en) * 2023-12-14 2024-02-27 无忧跳动医疗科技(深圳)有限公司 Device and method for automated foaming test

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