CN207024341U - Contrast agent high pressure injector - Google Patents

Contrast agent high pressure injector Download PDF

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Publication number
CN207024341U
CN207024341U CN201720122461.5U CN201720122461U CN207024341U CN 207024341 U CN207024341 U CN 207024341U CN 201720122461 U CN201720122461 U CN 201720122461U CN 207024341 U CN207024341 U CN 207024341U
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CN
China
Prior art keywords
pressure
container
pressure syringe
contrast
syringe
Prior art date
Application number
CN201720122461.5U
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Chinese (zh)
Inventor
王宇飞
黄建敬
李松徽
Original Assignee
广州友沃医疗设备有限公司
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Priority to CN201720122461.5U priority Critical patent/CN207024341U/en
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Publication of CN207024341U publication Critical patent/CN207024341U/en

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Abstract

The utility model discloses contrast agent high pressure injector, including the first high pressure syringe, the second high pressure syringe, physiological saline container, contrast container and the port of export;First high pressure syringe and the second high pressure syringe are equipped with push rod, dynamical system, first passage and second channel, and dynamical system driving push rod is pushed or pulled in high pressure syringe, and check valve is respectively equipped with first passage and second channel;The first passage of first high pressure syringe is connected to contrast container by connecting tube, and the first passage of the second high pressure syringe is connected to physiological saline container by connecting tube;The port of export is provided with tee connector, and the second channel with the first high pressure syringe, the second channel of the second high pressure syringe and the port of export are connected respectively for its three ports.The utility model effectively breaches intermittence injection pattern, continuously can provide contrast agent and physiological saline in CT angiographic procedures, reduces the infection chance that intermittence injection is brought, easy to operate, reduces the workload of medical personnel.

Description

Contrast agent high pressure injector
Technical field
It the utility model is related to contrast agent injection technique, more particularly to a kind of device that can continuously inject contrast agent.
Background technology
The Medical Devices often to be used when contrast agent high pressure syringe is CT radiographies or vascular test.The effect of high pressure syringe It is to ensure the high concentration Baryan of sufficient amount and/or physiological saline fast injection to some portion of body in certain time Position, for strengthening the effect of medical imaging (such as X ray) or magnetography.Contrast agent syringe is typically by high pressure syringe, injection Head (containing power and control part), support fixed part and connecting tube composition.
There was only a syringe mouth in the high pressure syringe of market circulation at present, it is complete in same syringe mouth into and out of medicine liquid channel Into, contrast agent is drawn into high pressure syringe by high pressure enhancing radiography typically by way of suction pipe, then reconnects angiography catheter, When in syringe contrast agent injection finish when need to remove connection high pressure syringe conduit could again with syringe extract contrast agent come Supplement, thus continuity can not be realized well in angiographic procedure, radiography quality is caused necessarily to influence and add infection Chance, increase the workload of medical personnel.
In Chinese invention patent application CN103877648A disclosed in 25 days June in 2014, it is proposed that a kind of contrast agent is high Pressure injection emitter and its component, high pressure injector connect angiography catheter by connecting extension tube, and connection extension tube is with being arranged on radiography Double check valve is provided between bottle pricking device on agent container, realizes and contrast agent is continuously provided in CT angiographic procedures.The patent Shen Although the continuous supply of contrast agent please be realized to a certain extent, the continuous confession of contrast agent and physiological saline can not be realized Give, there is certain limitation;If the contrast agent in contrast container can not remind medical personnel to change when being finished, have certain Potential safety hazard.
The content of the invention
In order to solve the problems of prior art, the utility model provides contrast agent high pressure injector, effectively prominent Intermittence injection pattern has been broken, continuously can provide contrast agent and physiological saline in CT angiographic procedures, has reduced intermittence injection The infection chance brought, it is easy to operate, reduce the workload of medical personnel.
The utility model contrast agent high pressure injector, including the first high pressure syringe, the second high pressure syringe, the physiology salt water capacity Device, contrast container and the port of export;First high pressure syringe and the second high pressure syringe are equipped with push rod, dynamical system, first passage And second channel, dynamical system driving push rod push or pull in high pressure syringe, first passage is decoction access road, second channel For medicine liquid outlet passage, check valve is respectively equipped with first passage and second channel;The first passage of first high pressure syringe passes through Connecting tube is connected to contrast container, and the first passage of the second high pressure syringe is connected to physiological saline container by connecting tube;Institute State the port of export and be provided with tee connector, three ports of the tee connector second channel with the first high pressure syringe, second respectively Second channel and the port of export connection of high pressure syringe.
Preferably, the contrast agent high pressure injector also includes processor, and the input being connected respectively with processor Unit, motor drive module and ultrasonic bubble sensor, the motor drive module and the first high pressure syringe, the second high pressure needle The dynamical system connection of cylinder, connecting tube and the second high pressure syringe and physiological saline between the first high pressure syringe and contrast container Ultrasonic bubble sensor is equipped with connecting tube between container.
Preferably, the contrast container includes the first contrast container and the second contrast container, the first high pressure syringe First passage be connected by tee connector with the first contrast container, the second contrast container;The high pressure injection of contrast agent Injection device also includes processor, and input block, motor drive module, the solenoid-driven mould being connected respectively with processor Block, motor drive module are connected with the dynamical system of the first high pressure syringe, the second high pressure syringe, and solenoid valve driving module is with setting Magnetic valve connection between the first high pressure syringe and the first contrast container, the second contrast container in connecting tube.
Compared with prior art, the utility model has the following advantages that and beneficial effect:
1st, high pressure syringe is provided with two passages, and a passage enters medicine in pulling-pushing rod, and another passage goes out in push rod Medicine, after the air in high pressure syringe is emptied by promoting high pressure syringe push rod before needing injection contrast agent and/or physiological saline, Line Continuity injection can be entered to patient;Medicinal liquid bottle (i.e. contrast container or physiological saline container) passes through bottle pricking device and high pressure needle The connecting tube that cylinder is connected links together, and continuously contrast agent and physiological saline can be provided in CT angiographic procedures, without removing The conduit of connection high pressure syringe could extract decoction again, substantially reduce the infection chance therefore brought, improve radiography note The security penetrated, reduce medical care nurse job amount.
2nd, by ultrasonic bubble sensor, whether there can be bubble in effective detection pipeline, alarm is produced if having bubble, And stop injection in time, further increase the security of opacifying injection.
3rd, high pressure syringe can be connected with two bottles of contrast containers, realize that two bottles of contrast agent hold by magnetic valve and processor etc. The continuous injection of device inner liquid medicine.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is control structure block diagram of the present utility model;
Fig. 3 is the flow chart that the first high pressure syringe extracts decoction.
Embodiment
The utility model is described in further detail with reference to embodiment and accompanying drawing, but implementation of the present utility model Mode not limited to this.
Embodiment
As shown in figure 1, the utility model contrast agent high pressure injector, including the first high pressure syringe 9-2, the first contrast agent Container 2-1, the second contrast container 2-2, the second high pressure syringe 9-1 and physiological saline container 1.
First high pressure syringe 9-2 is provided with push rod 10-2, dynamical system 11-2 and two passages, i.e. first passage 9-2-1 and Second channel 9-2-2, dynamical system 11-2 driving push rods 10-2 are pushed or pulled in high pressure syringe, to realize the injection of decoction or suction Enter.First passage 9-2-1 is decoction access road, its by connecting tube 12, the contrast container 2-1 of tee connector 8 and first, Second contrast container 2-2 connections, bottle pricking device 3-2, thorn bottle are respectively equipped with the first contrast container and the second contrast container Device 3-3, be provided with check valve 7-3 in the connecting tube between tee connector 8 and first passage 9-2-1, tee connector 8 with Connecting tube between first contrast container 2-1 is provided with magnetic valve 6-1 and ultrasonic bubble sensor 5-2, is connected in threeway First 8 and the second connecting tube between contrast container 2-2 be provided with magnetic valve 6-2 and ultrasonic bubble sensor 5-3.It can be seen that Two contrast containers are connected by the utility model by tee connector 8 with the first high pressure syringe 9-2, and pass through magnetic valve 6- What 1 and magnetic valve 6-2 the first high pressure syringe 9-2 of switch control was extracted is the decoction in the first contrast container 2-1, or the Decoction in two contrast container 2-2.Second channel 9-2-2 is medicine liquid outlet passage, and it passes through connecting tube 13, tee connector 14 are connected to the port of export, and check valve 7-4 is provided with the connecting tube between tee connector 14 and second channel 9-2-2.Outlet Overflow valve 15, connecting tube 16, filter 17 and joint 18 are sequentially provided with end.
Similar to the first high pressure syringe, the second high pressure syringe 9-1 is provided with push rod 10-1, dynamical system 11-1 and two logical Road, i.e. first passage 9-1-1 and second channel 9-1-2, dynamical system 11-1 driving push rods 10-1 are pushed or pulled in high pressure syringe, To realize the injection of decoction or suction.First passage 9-1-1 is decoction access road, and it passes through connecting tube 4 and the physiology salt water capacity Device 1 connects, and connecting tube 4 is provided with check valve 7-1 and ultrasonic bubble sensor 5-1, also is provided with piercing bottle on physiological saline container 1 Device 3-1.Second channel 9-1-2 is medicine liquid outlet passage, and it is connected to the port of export by connecting tube 13, tee connector 14.Can See, the medicine liquid outlet passage of two high pressure syringes is connected by the utility model by tee connector 14 with the port of export.
Operation principle of the present utility model is as follows:When dynamical system 11-2 pull the first high pressure syringes 9-2 push rod, position Opened in the check valve 7-3 of the first high pressure syringe decoction access road, the electricity on a bifurcated that wherein tee connector 8 connects Magnet valve (such as magnetic valve 6-1) is opened, and at the same time system can be shut on another bifurcated of the connection of tee connector 8 automatically Magnetic valve (such as magnetic valve 6-2), until after having extracted the contrast agent in contrast container 2-1, magnetic valve 6-2 is just opened, this When the magnetic valve 6-1 that has extracted on the connecting pipe of contrast agent can automatically turn off;As long as there is bubble on connecting pipe, connection is located at Ultrasonic bubble sensor on pipe can start alarm and stop extracting contrast agent;When dynamical system 11-2 promotes the first high pressure needle During cylinder 9-2 push rod, opened positioned at the check valve 7-4 of the first high pressure syringe medicine liquid outlet passage and make the radiography in high pressure syringe Agent flows to the port of export by connecting tube 13, tee connector 14.When dynamical system 11-1 pull the second high pressure syringes 9-1 push rod When, the check valve 7-1 positioned at the second high pressure syringe 9-1 decoction access roades is opened, and physiological saline enters in the second high pressure syringe; Similar, as long as there is bubble on connecting pipe, the ultrasonic bubble sensor being arranged in connecting tube can start alarm and stop Extract physiological saline;When dynamical system 11-1 promotes the second high pressure syringe 9-1 push rod, positioned at the second high pressure syringe 9-1 medicines The check valve 7-2 of liquid exit passageway is opened, and the physiological saline in high pressure syringe is flowed to out by connecting tube 13, tee connector 14 Mouth end.
When system pressure exceedes setting, the safety valve top on overflow valve 15 is opened, and a part of decoction in pipeline is arranged Overflow, system pressure is no more than permissible value, so as to ensure that because of hypertonia accident does not occur for system;Filter 17 was used for The particle that punctures the soft rubber stopper of contrast container or physiological saline container by bottle pricking device and may fall down is filtered, to avoid the hair of accident It is raw.In addition, when extracting contrast agent and/or physiological saline, there is another passage to be communicated to by porous plug and gland on bottle pricking device The external world, so, after using contrast container and/or physiological saline container, in the contrast container and/or physiological saline container Vacuum state will not be formed, ensures the safety used.
Connecting tube 4 and connecting tube 12 (connecting tube, the first high pressure needle i.e. between the second high pressure syringe and physiological saline container Connecting tube between cylinder and contrast container) all it is flexible pipe, (i.e. the second high pressure syringe leads to connecting tube 13 with three with connecting tube 16 The connecting tube of connecting tube between connecting tube, the first high pressure syringe and tee connector 14 and the port of export between joint 14) all It is hard tube, the caliber of connecting tube 13 is bigger than the caliber of connecting tube 16.First high pressure syringe 9-2, the second high pressure syringe 9-1 decoction Access road and medicine liquid outlet passage perpendicular to the ground, that is, keep high pressure syringe passage state directed downwardly.
The utility model, need to be by magnetic valve, ultrasonic wave during continuous injection contrast agent and physiological saline is completed The module such as air bubble sensor and processor carries out whole Detection & Controling, referring to Fig. 2, processor respectively with touch screen, ultrasonic wave Air bubble sensor, motor drive module connect with solenoid valve driving module, wherein motor drive module and the first high pressure syringe Dynamical system and the connection of the dynamical system of the second high pressure syringe, solenoid valve driving module are connected with magnetic valve 6-1,6-2.Touch screen For receiving user instruction, ultrasonic bubble sensor be used to detecting the decoction access road of high pressure syringe and contrast container or Whether there is air in connecting tube between physiological saline container;Signal that processor inputs according to touch screen, ultrasonic bubble pass The signal of sensor detection and the on off state of magnetic valve, are controlled to motor and magnetic valve.When processor is received from tactile After the user instruction of control screen input, a point following four situation is controlled:
(1) second high pressure syringe 9-1 extracts decoction, i.e. the second high pressure syringe 9-1 needs pulling-pushing rod:Processor persistently detects Ultrasonic bubble sensor 5-1, if testing result is without air, controlled motor drive module performs pulling-pushing rod operation, no Then controlled motor drive module stops pulling-pushing rod operation at once.
(2) second high pressure syringe 9-1 liquid medicine injections, i.e. the second high pressure syringe 9-1 need to push away push rod:Processor directly controls Motor drive module promotes the push rod of the second high pressure syringe, it is not necessary to ultrasonic bubble sensor is detected, by being arranged on syringe The check valve 7-1 of decoction access road and the check valve 7-2 of syringe medicine liquid outlet passage is arranged on to ensure injecting liquid drug direction.
(3) first high pressure syringe 9-2 extract decoction, i.e. the first high pressure syringe 9-2 needs pulling-pushing rod:Processor persistently detects Ultrasonic bubble sensor 5-2 and ultrasonic bubble sensor 5-3, and point following 4 kinds of situations perform, as shown in Figure 3:
(31) if detecting that two ultrasonic bubble sensors have air, controlled motor drive module stops at once Perform pulling-pushing rod operation.
(32) if detecting that ultrasonic bubble sensor 5-2 has an air, ultrasonic bubble sensor 5-3 is without air, then Control solenoid valve driving module to close magnetic valve 6-1, open magnetic valve 6-2, controlled motor drive module performs pulling-pushing rod operation.
(33) if detecting that ultrasonic bubble sensor 5-2 has air without air, ultrasonic bubble sensor 5-3, then Control solenoid valve driving module to open magnetic valve 6-1, close magnetic valve 6-2, controlled motor drive module performs pulling-pushing rod operation.
(34) if detecting two ultrasonic bubble sensors all without air, if when the first two magnetic valve is all in pass Closed state, then solenoid valve driving module is controlled to open magnetic valve 6-1;If two magnetic valves control all in open mode Solenoid valve driving module closes magnetic valve 6-2;Otherwise, keep magnetic valve state constant;Then controlled motor drive module performs Pulling-pushing rod operates.
(4) first high pressure syringe 9-2 liquid medicine injections, i.e. the first high pressure syringe 9-2 need to push away push rod:Processor directly controls Motor drive module promotes the second high pressure syringe 9-2 push rod, it is not necessary to ultrasonic bubble sensor is detected, and by being arranged on The check valve 7-3 of syringe decoction access road and the check valve 7-4 of syringe medicine liquid outlet passage is arranged on to ensure injecting liquid drug Direction.
Above-described embodiment is the preferable embodiment of the utility model, but embodiment of the present utility model is not by above-mentioned The limitation of embodiment, it is other it is any without departing from Spirit Essence of the present utility model with made under principle change, modify, replace Generation, combination, simplify, should be equivalent substitute mode, be included within the scope of protection of the utility model.

Claims (10)

1. contrast agent high pressure injector, it is characterised in that including the first high pressure syringe, the second high pressure syringe, the physiology salt water capacity Device, contrast container and the port of export;First high pressure syringe and the second high pressure syringe are equipped with push rod, dynamical system, first passage And second channel, dynamical system driving push rod push or pull in high pressure syringe, first passage is decoction access road, second channel For medicine liquid outlet passage, check valve is respectively equipped with first passage and second channel;The first passage of first high pressure syringe passes through Connecting tube is connected to contrast container, and the first passage of the second high pressure syringe is connected to physiological saline container by connecting tube;Institute State the port of export and be provided with tee connector, three ports of the tee connector second channel with the first high pressure syringe, second respectively Second channel and the port of export connection of high pressure syringe.
2. contrast agent high pressure injector according to claim 1, it is characterised in that the contrast agent high pressure injector Also include processor, and input block, motor drive module and the ultrasonic bubble sensor being connected respectively with processor, institute The dynamical system that motor drive module is stated with the first high pressure syringe, the second high pressure syringe is connected, the first high pressure syringe and contrast agent Ultrasonic bubble biography is equipped with the connecting tube between connecting tube and the second high pressure syringe and physiological saline container between container Sensor.
3. contrast agent high pressure injector according to claim 1, it is characterised in that the contrast container includes first Contrast container and the second contrast container, the first passage of the first high pressure syringe are held by tee connector and the first contrast agent Device, the connection of the second contrast container;The contrast agent high pressure injector also includes processor, and is connected respectively with processor Input block, motor drive module, solenoid valve driving module, motor drive module and the first high pressure syringe, the second high pressure needle The dynamical system connection of cylinder, solenoid valve driving module is with being arranged on the first high pressure syringe and the first contrast container, the second radiography Magnetic valve connection between agent container in connecting tube.
4. the contrast agent high pressure injector according to Claims 2 or 3, it is characterised in that the input block is touch-control Screen.
5. contrast agent high pressure injector according to claim 1, it is characterised in that the physiological saline container is provided with Bottle pricking device.
6. contrast agent high pressure injector according to claim 1, it is characterised in that the contrast container is provided with thorn Bottle device.
7. contrast agent high pressure injector according to claim 1, it is characterised in that the port of export is provided with overflow Valve.
8. contrast agent high pressure injector according to claim 1, it is characterised in that the port of export, which is provided with, to be used for Filter the filter of particulate matter in contrast container or physiological saline container soft rubber stopper.
9. contrast agent high pressure injector according to claim 1, it is characterised in that the second high pressure syringe and physiology The connecting tube between connecting tube, the first high pressure syringe and contrast container between saline container is flexible pipe;Described second is high The connecting tube between connecting tube, the first high pressure syringe and tee connector between pressing cylinder and tee connector is hard tube.
10. contrast agent high pressure injector according to claim 1, it is characterised in that the first high pressure syringe, second The decoction access road and medicine liquid outlet passage of high pressure syringe are perpendicular to the ground.
CN201720122461.5U 2017-02-09 2017-02-09 Contrast agent high pressure injector CN207024341U (en)

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CN201720122461.5U CN207024341U (en) 2017-02-09 2017-02-09 Contrast agent high pressure injector

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108325024A (en) * 2018-03-28 2018-07-27 泉州创源机电科技有限公司 A kind of intelligent type medical transfusion control device
CN108404255A (en) * 2018-03-28 2018-08-17 泉州创源机电科技有限公司 A kind of Intelligent medical dropper
CN108607133A (en) * 2018-03-28 2018-10-02 泉州创源机电科技有限公司 A kind of Medical infusion controller
CN108815608A (en) * 2018-04-09 2018-11-16 黄伟彬 A kind of quick detachable rinsing machine for department of gynecology
CN110478572A (en) * 2019-07-16 2019-11-22 南京感控通化工产品经营部 A kind of high pressure injector inhales medicine safety detection method automatically
CN110478081A (en) * 2019-09-11 2019-11-22 重庆市中药研究院 A kind of animal buck test vein successive administration device and its medication

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108325024A (en) * 2018-03-28 2018-07-27 泉州创源机电科技有限公司 A kind of intelligent type medical transfusion control device
CN108404255A (en) * 2018-03-28 2018-08-17 泉州创源机电科技有限公司 A kind of Intelligent medical dropper
CN108607133A (en) * 2018-03-28 2018-10-02 泉州创源机电科技有限公司 A kind of Medical infusion controller
CN108815608A (en) * 2018-04-09 2018-11-16 黄伟彬 A kind of quick detachable rinsing machine for department of gynecology
CN108815608B (en) * 2018-04-09 2021-02-19 陈莉 Quick detachable gynaecology's flushing machine
CN110478572A (en) * 2019-07-16 2019-11-22 南京感控通化工产品经营部 A kind of high pressure injector inhales medicine safety detection method automatically
CN110478081A (en) * 2019-09-11 2019-11-22 重庆市中药研究院 A kind of animal buck test vein successive administration device and its medication

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