CN200948276Y - Pushing and pulling synchronous type pill ejector jet pump - Google Patents
Pushing and pulling synchronous type pill ejector jet pump Download PDFInfo
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- CN200948276Y CN200948276Y CN 200620075819 CN200620075819U CN200948276Y CN 200948276 Y CN200948276 Y CN 200948276Y CN 200620075819 CN200620075819 CN 200620075819 CN 200620075819 U CN200620075819 U CN 200620075819U CN 200948276 Y CN200948276 Y CN 200948276Y
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- precession axis
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Abstract
The utility model discloses a push-and-pull synchronous mode bolus injection pump, which belongs to medical appliance technical field. The utility model comprises a console display and two sets of injection device parallel connected with a syringe needle by a connecting tube. Each set of the injection device is composed of an injector, a precession axis on an injector push handle to drive the reciprocating movement of the push handle, a step motor used for driving the movement of the precession axis, and a pressure sensor between the push handle and the precession axis for detecting the thrusting force. The utility model has the advantages of simple structure and convenient usage, and the shortages such as the asynchrony of the manual bolus, the failure to achieve the bolus effect, and the harm to people can be avoided by using the utility model.
Description
Technical field
This utility model belongs to medical apparatus and instruments, specifically a kind of in the human body injection of contrast medium (medical image with contrast agent or nucleic contrast agent) recommend synchronous bolus injection pump.
Background technology
Nucleus medical image check is the video diagnostic technology that grew up in recent years, its imaging technique is different with traditional X line transmission imaging, it is to adopt the emission type imaging, the γ or the β ray that send for nucleic (isotope) in the body of helping others are counted as picture, mainly are represented as γ camera, SPECT, PET at present.Wherein PET is at present international most advanced nuclear imaging technology, and the early function that it can survey human internal organ sexually revises, for disease prevention and diagnosis and treatment provide foundation, as discovery of early cancer's pathological changes or the like.
The nuclear medicine inspection often needs to inject the nucleic contrast agent in human body, belong to contrast examination.Known inspection method is to adopt the method for manually injecting nucleic, and its drawback mainly shows: (1) image acquisition with manually inject asynchronous, thereby cause the partial loss of dynamic image; (2) when checking the function of human vas or internal organs, the requirement of injecting of contrast agent is injected in the mode of Ballet Shop, and the manual injection does not reach the effect of Ballet Shop, cause the moment filling process that to follow the tracks of contrast agent, when graphical analysis, contrast agent " hangover " phenomenon appears in the area-of-interest of image, makes troubles for medical diagnosis on disease and functional analysis.(3) traditional nucleic bolus infusion processes requires operator to be exposed to for a long time under the roentgenization, and human body is produced harm, or the like.
Image checks such as MRI, CT, B ultrasonic also all are applied to shadowgraph technique at present, and its purpose is exactly to finish some functional inspection of internal organs.The injection of contrast agent is mainly by manually injecting, can't guarantee contrast agent the opportunity of injecting, inject speed, thereby bring difficulty to image analysing computer, the especially inspection of motion internal organs, its drawback is as nucleus medical image check.And these large-scale image check expense height, the contrast agent costliness, rechecking has not only increased cost, and patient and medical personnel are caused secondary radiation.
Summary of the invention
The purpose of this utility model provides a kind of synchronous mode bolus injection pump of recommending.Overcome the shortcoming of above-mentioned technology, be used for bolus injections such as clinical SPECT, PETT, also can be used for contrast examinations such as MRI, CT, B ultrasonic.
Concrete technical scheme of the present utility model is as follows: a kind of synchronous mode bolus injection pump of recommending, and it comprises an injection needle, it is characterized in that it also comprises the injection device that control display and two covers and injection needle are in parallel by connecting line; Every cover injection device pushes away promotion on the handle by syringe, device at syringe and pushes away the reciprocating precession axis of handle, drives the motor of precession axis motion and pressure transducer that device is pushing away the detection thrust between handle and precession axis is formed.
On the connecting line of described two syringes and injection needle three-way valve is housed, on the connecting line of syringe and three-way valve 8 electromagnetic valve is housed therein.
Described syringe is conventional medical injection syringe.
The utility model has the advantages that: adopted the double syringe structure, whole system is by single-chip microcomputer, pick off, motor and controller control.Overcome manually inject image acquisition with manually inject asynchronous, the drawback that does not reach the bullet effect and the medical worker is polluted.
Description of drawings
Below in conjunction with drawings and Examples this utility model is described in further detail.
Fig. 1 is this utility model structural representation;
Fig. 2 is this utility model control circuit functional-block diagram;
Among the figure: 1, injection needle, 2-1,2-2, syringe, 3-1,3-2 motor, 4, foot switch, 5, control display, 6-1,6-2, precession axis, 7-1,7-2, pick off, 8, housing, 9, three-way valve, 10, electromagnetic valve, 11-1,11-2, syringe push away handle.
The specific embodiment
As shown in Figure 1, this utility model comprises housing 8, and a side of housing 8 is control display 5, and the injection device that two covers are in parallel by pipeline is housed in the housing, is connected with injection needle 1 with three-way valve 9, in one the connecting line electromagnetic valve 10 is housed therein.Every cover injection device is by a syringe 2-1 or 2-2, precession axis 6-1 or 6-2, and pick off 7-1 or 7-2 and motor 3-1 or 3-2 form.Precession axis 6-1 or 6-2 and syringe 2 push away handle 11-1 or 11-2 is connected, pressure transducer 7-1 or the 7-2 that detects its thrust is equipped with in the centre, motor provides powered to precession axis, and it is reciprocating.
As shown in Figure 2, control display 5 is by functional control module, and LCD MODULE and function button module are formed, and functional control module is electrically connected with electromagnetic valve 10 and two pick off 7-1,7-2 and two motor 3-1,3-2 respectively.
In the present embodiment, functional control module adopts single-chip microcomputer.
Its operation principle and function are as follows:
One, push-pull type bullet function
Push-pull type bullet function is mainly used in bolus injections such as clinical SPECT, PET, also can be used for contrast examinations such as MRI, CT, B ultrasonic, observes the dynamic perfusion situation of nucleic contrast agent, analyzes the function situation that is examined internal organs with this.Whole process comprises: 1, system initialization, select to recommend pellet pattern; 2, settle contrast agent and normal saline syringe, adjust motor and advance the position, for bolus injection is prepared; 3, open venous channel, guarantee that path is correct, safe and reliable, venous channel is connected to syringe pump three-way valve 9 positions, wait for that recommending bolus injection starts; 4, start-up system bolus injection, motor 3-1 work, fltting speed is very fast, and this moment, pick off 7-1 detected propulsive strength, judged the various situations in the progradation, after syringe 3-1 nucleic has pushed away, pressure transducer 7-1 reacts maximum pressure, and prompting advances and finishes, and control circuit starts motor 3-2 at once and begins propulsion functions, open electromagnetic valve 10 simultaneously and open the normal saline path, promptly so-called push-pull type mode of operation.Normal saline advances the nucleic contrast agent with very fast speed like this, forms the radiography agglomerate and is filled into the internal organs of examining, and realizes the bullet function.Injecting startup is controlled by foot switch 4 by the image acquisition operator.
Two, inject function synchronously
Inject function synchronously and be mainly used in the inspection of symmetrical internal organs, check as two veins of lower extremity perfusions etc.Preparation is with recommending the bullet function, and this moment, syringe 2-2 and syringe 2-1 were the nucleic contrast agent, motor 3-1,3-2 synchronous working.System is provided with the synchronous working pattern, adjusts fltting speed, starts and injects synchronously.Pressure transducer detects propelling process and fortuitous event, wait to finish function of injection after system stop automatically.
Three, period, timesharing function of injection
Consider that some inspection item need pour into and images acquired at times, this syringe pump design function comprises fltting speed selection, selection blanking time etc., if can be in conjunction with acquisition function setting automatically, then this syringe pump can be realized automatic acquisition function with image capture device.
Four, exception monitoring and processing capacity
The nucleic syringe pump is mainly used in the clinical nuclear medicine image check, contact be patient, therefore to ensure safety.1, electric power system.Because the design adopts single chip machine controlling circuit, the electric power system voltage of requirement is low, electric current is little, and has plastic insulation to be separated by between system and the patient.Therefore external power powering mode, also available battery powered are adopted in system's power supply.Power requirement 5-12V voltage.2, inject monitoring unusually and handle.Consider extraneous factor, as situations such as patient are uncooperative, in bolus infusion processes, system's monitoring in real time injects pressure, judges the state of injecting of syringe pump, pushes away muscle as sky and injects and inject situations such as end.In case system discovery is unusual, stops immediately injecting, and send abnormal alarm.
Claims (5)
1, a kind of synchronous mode bolus injection pump of recommending, it comprises an injection needle, it is characterized in that it also comprises the injection device that control display and two covers and injection needle are in parallel by connecting line; Every cover injection device pushes away promotion on the handle by syringe, device at syringe and pushes away the reciprocating precession axis of handle, drives the motor of precession axis motion and pressure transducer that device is pushing away the detection thrust between handle and precession axis is formed.
2, the synchronous mode bolus injection pump of recommending according to claim 1 is characterized in that on the connecting line of two syringes and injection needle three-way valve being housed, and on the connecting line of syringe and three-way valve electromagnetic valve is housed therein.
3, the synchronous mode bolus injection pump of recommending according to claim 1, it is characterized in that controlling display by functional control module and and the LCD MODULE of its electrical connection, the function button module is formed, and functional control module is electrically connected with electromagnetic valve and two pressure transducers and two motors respectively.
4,, it is characterized in that the function display module adopts single-chip microcomputer according to claim 1 or the 3 described synchronous mode bolus injection pumps of recommending.
5, the synchronous mode bolus injection pump of recommending according to claim 1, the described syringe of its feature is conventional medical injection syringe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620075819 CN200948276Y (en) | 2006-08-30 | 2006-08-30 | Pushing and pulling synchronous type pill ejector jet pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620075819 CN200948276Y (en) | 2006-08-30 | 2006-08-30 | Pushing and pulling synchronous type pill ejector jet pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200948276Y true CN200948276Y (en) | 2007-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620075819 Expired - Fee Related CN200948276Y (en) | 2006-08-30 | 2006-08-30 | Pushing and pulling synchronous type pill ejector jet pump |
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| CN (1) | CN200948276Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103070736A (en) * | 2013-02-27 | 2013-05-01 | 中国人民解放军第三军医大学 | Perfusion fixation device and method for small animal experiment |
| CN104053465A (en) * | 2011-11-18 | 2014-09-17 | 赛诺菲-安万特德国有限公司 | Piston driving motor arrangement |
| CN106029134A (en) * | 2014-02-18 | 2016-10-12 | 欧文蒙福德有限公司 | Injection device |
| CN106421981A (en) * | 2016-12-08 | 2017-02-22 | 温州市人民医院 | Ultrasonic contrast agent mechanical linkage push-injection device |
| CN106512140A (en) * | 2016-12-08 | 2017-03-22 | 温州市人民医院 | Mechanical ultrasonic contrast agent linkage injection mechanism |
| CN106581799A (en) * | 2016-12-08 | 2017-04-26 | 温州医科大学附属第二医院 | Mechanism for mechanically injecting ultrasonic contrast agent |
| CN106581800A (en) * | 2016-12-08 | 2017-04-26 | 温州医科大学附属第二医院 | Mechanical ultrasonic contrast agent injection mechanism provided with T-shaped tee |
| CN106581798A (en) * | 2016-12-08 | 2017-04-26 | 温州医科大学附属第二医院 | Mechanical ultrasonic contrast agent injection device with T-shaped tee joint |
| CN106730131A (en) * | 2016-12-08 | 2017-05-31 | 温州医科大学附属第二医院 | The injecting mechanism of the acoustic contrast agent with self-locking |
| CN114432586A (en) * | 2021-12-06 | 2022-05-06 | 中国人民解放军空军军医大学 | Radionuclide pill injection device |
-
2006
- 2006-08-30 CN CN 200620075819 patent/CN200948276Y/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104053465A (en) * | 2011-11-18 | 2014-09-17 | 赛诺菲-安万特德国有限公司 | Piston driving motor arrangement |
| CN103070736A (en) * | 2013-02-27 | 2013-05-01 | 中国人民解放军第三军医大学 | Perfusion fixation device and method for small animal experiment |
| CN106029134A (en) * | 2014-02-18 | 2016-10-12 | 欧文蒙福德有限公司 | Injection device |
| US10722654B2 (en) | 2014-02-18 | 2020-07-28 | Owen Mumford Limited | Injection device |
| CN106730131A (en) * | 2016-12-08 | 2017-05-31 | 温州医科大学附属第二医院 | The injecting mechanism of the acoustic contrast agent with self-locking |
| CN106581799A (en) * | 2016-12-08 | 2017-04-26 | 温州医科大学附属第二医院 | Mechanism for mechanically injecting ultrasonic contrast agent |
| CN106581800A (en) * | 2016-12-08 | 2017-04-26 | 温州医科大学附属第二医院 | Mechanical ultrasonic contrast agent injection mechanism provided with T-shaped tee |
| CN106581798A (en) * | 2016-12-08 | 2017-04-26 | 温州医科大学附属第二医院 | Mechanical ultrasonic contrast agent injection device with T-shaped tee joint |
| CN106512140A (en) * | 2016-12-08 | 2017-03-22 | 温州市人民医院 | Mechanical ultrasonic contrast agent linkage injection mechanism |
| CN106421981A (en) * | 2016-12-08 | 2017-02-22 | 温州市人民医院 | Ultrasonic contrast agent mechanical linkage push-injection device |
| CN106581799B (en) * | 2016-12-08 | 2023-02-24 | 温州医科大学附属第二医院 | Mechanism for mechanically pushing and injecting ultrasonic contrast agent |
| CN106730131B (en) * | 2016-12-08 | 2023-02-28 | 温州医科大学附属第二医院 | Self-locking push mechanism for ultrasonic contrast medium |
| CN106581800B (en) * | 2016-12-08 | 2023-03-14 | 温州医科大学附属第二医院 | Mechanical ultrasonic contrast agent injection mechanism with T-shaped tee joint |
| CN106581798B (en) * | 2016-12-08 | 2023-03-14 | 温州医科大学附属第二医院 | Mechanical ultrasonic contrast agent injection device with T-shaped tee joint |
| CN106421981B (en) * | 2016-12-08 | 2023-11-17 | 温州市人民医院 | Mechanical linkage injection device for ultrasonic contrast agent |
| CN114432586A (en) * | 2021-12-06 | 2022-05-06 | 中国人民解放军空军军医大学 | Radionuclide pill injection device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |