CN103815885B - Invasive blood pressure test set - Google Patents
Invasive blood pressure test set Download PDFInfo
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- CN103815885B CN103815885B CN201210468752.1A CN201210468752A CN103815885B CN 103815885 B CN103815885 B CN 103815885B CN 201210468752 A CN201210468752 A CN 201210468752A CN 103815885 B CN103815885 B CN 103815885B
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Abstract
The present invention relates to a kind of invasive blood pressure test set, it comprise adjustable volume circuit system, for detecting sensing system, the dynamic pressure regulating system of the pressure of simulation medium in described circuit system and being connected with described sensing system, for controlling the control system of described dynamic pressure adjusting device.The control system of this invasive blood pressure test set controls by the hydraulic pressure waveform (comprising ambulatory blood pressure waveform and static blood pressure waveform) required in medical standards the volume that dynamic pressure regulating system or static pressure regulating system carry out regulating loop system, thus cause the change of simulation pressure medium in circuit system, and then the ambulatory blood pressure of modulating output organism or static blood pressure, and the pressure of simulation medium in sensing system Real-Time Monitoring circuit system, sensing system is connected with control system, control system can export standard compliant simulation dynamically or static blood pressure waveform according to the pressure data of Real-Time Monitoring.
Description
Technical field
The present invention relates to armarium detection field, particularly relate to a kind of invasive blood pressure test set.
Background technology
Blood pressure is clinically for one of the important parameter of human body vital sign.Blood pressure measurement can be divided into noinvasive and have wound two kinds of modes, wherein measures as the recognized standard method using invasive blood pressure.Invasive blood pressure measurement is applicable to the expection application that patient with operation, intensive care patient and neonate etc. need to carry out monitoring of blood pressure, has that response time is fast, result is accurate, an anti-interference strong and feature that range of application is wide.Invasive blood pressure measurement is also called direct blood pressure measurement, by setting up direct passage with the measuring point of patient, blood pressure is delivered on outside pressure transducer by means of fluid connection and obtains pressure signal, thus calculate relevant parameter value, mainly comprise systolic pressure, diastolic pressure, mean pressure and pulse frequency etc.
Invasive blood pressure checkout equipment needs when dispatching from the factory or use to test, test set simulation produces blood pressure signal, comprise dynamic pressure signal and static pressure signal, and traditional invasive blood pressure test set only can simulate blood system, be difficult to produce the hydraulic pressure waveform required in the medical standards such as YY0781 and YY0783, thus cause method that existing invasive blood pressure test set cannot provide according to medical standards such as YY0781 and YY0783 to carry out the performance verification of blood pressure detecting equipment.
Summary of the invention
Based on this, be necessary to provide a kind of invasive blood pressure test set that can carry out pressure waveform adjustment in invasive blood pressure checkout equipment test process.
A kind of invasive blood pressure test set, comprising:
The circuit system of adjustable volume, is provided with the circuit interface that can connect for Devices to test;
Sensing system, for detecting the pressure of simulation medium in described circuit system;
Dynamic pressure regulating system, comprise adjustable volume dynamic pressure cavity and for regulating the dynamic pressure adjusting device of described dynamic pressure cavity body bulk, described dynamic pressure cavity is communicated with described circuit system;
Control system, is connected the pressure signal receiving described sensing system and record with described sensing system, for controlling described dynamic pressure adjusting device.
Wherein in an embodiment, described circuit system comprises the main cavity and secondary cavity that are interconnected, and described secondary cavity is provided with the sensor mounting interface be connected with described sensor, and described circuit interface is located on described secondary cavity, described main cavity adjustable volume.
Wherein in an embodiment, described main cavity is one coordinate by rigid wall the cavity body structure formed with elastic wall.
Wherein in an embodiment, described invasive blood pressure test set also comprises the manual regulating device being connected the volume for regulating described main cavity with described elastic wall.
Wherein in an embodiment, described manual regulating device comprises supporting seat and runs through described supporting seat and can the expansion link that slides of relatively described supporting seat, and described expansion link contacts with described elastic wall.
Wherein in an embodiment, described sensing system comprises the pressure transducer of the pressure for detecting simulation medium in described circuit system and the pressure recorded is carried out to the pressure signal processing module of filtering, level conversion and analog-to-digital conversion process, and described pressure signal processing module is connected with described control system; Or
Described dynamic pressure cavity comprises main part, cover plate and elastic film, described main part one end open, described cover plate lid is located at the opening of described main part and the middle part of described cover plate is provided with through hole, and described elastic film covers described through hole, and described dynamic pressure adjusting device is connected with described elastic film.
Wherein in an embodiment, described dynamic pressure adjusting device comprises dynamic pressure drive motors, push rod and dynamic pressure guiding fixing device, the motor shaft of described dynamic pressure drive motors is connected with described elastic film by described push rod, described dynamic pressure guiding fixing device comprise line slideway and for fix described motor shaft and described push rod and the dynamic pressure stationary fixture that can slide along described line slideway.
Wherein in an embodiment, the side of described dynamic pressure stationary fixture is provided with catch, and described invasive blood pressure test set also comprises the displacement detecting unit for detecting described catch position being located at described dynamic pressure stationary fixture side.
Wherein in an embodiment, described displacement detecting unit comprises multiple position sensor be set up in parallel along described line slideway direction.
Wherein in an embodiment, described main part is provided with air vent.
Wherein in an embodiment, described control system comprises the dynamic pressure regulable control module for controlling described dynamic pressure regulating system and the controller for controlling described dynamic pressure regulable control module.
Wherein in an embodiment, described control system also comprises: for the solenoid-driven control module of the described controller that resets under abnormal operation; And/or for the communication module of the operational order that receives extraneous terminal.
Wherein in an embodiment, described invasive blood pressure test set also comprises static pressure regulating system, described static pressure regulating system comprises syringe, hydrostatic driving motor, hydrostatic guide system and the static pressure fixture for fixing described syringe, described hydrostatic driving motor and described hydrostatic guide system, described syringe is communicated with described circuit system, described control system controls described hydrostatic driving motor, and the motor shaft of described hydrostatic driving motor is connected with the piston of described syringe by described hydrostatic guide system.
Wherein in an embodiment, described hydrostatic guide system comprises guide post, slide block and slide rail, the motor shaft of described hydrostatic driving motor is connected with described piston by described guide post, described slide block successively, described slide rail is located in described static pressure fixture, and described slide block can slide along described slide rail.
Wherein in an embodiment, described control system also comprises the static pressure regulable control module for controlling described hydrostatic driving motor.
The control system of above-mentioned invasive blood pressure test set carrys out the volume of regulating loop system by the dynamic hydraulic Waveform Control dynamic pressure regulating system required in medical standards, thus cause the change of simulation pressure medium in circuit system, and then the ambulatory blood pressure of simulation organism, and the pressure of simulation medium in sensing system Real-Time Monitoring circuit system, sensing system is connected with control system, and control system can export standard compliant simulation ambulatory blood pressure waveform according to the pressure data of Real-Time Monitoring.Devices to test is connected with circuit interface, in Devices to test measure loop system, the pressure of simulation medium obtains simulation ambulatory blood pressure waveform, the simulation ambulatory blood pressure waveform exported by Devices to test being detected the simulation ambulatory blood pressure waveform that obtains and this invasive blood pressure test set is made comparisons, and can carry out performance test by device under test.Due to the volume of control system controllable adjustable circuit system, also namely the ambulatory blood pressure waveform of whole invasive blood pressure test set output is adjustable, solves the defect that traditional test set can not produce titer corrugating.
Accompanying drawing explanation
Fig. 1 is the function structure chart of the invasive blood pressure test set of an embodiment;
Fig. 2 is the structural representation of Fig. 1 invasive blood pressure test set;
Fig. 3 is the structural representation of circuit system and manual regulating device in Fig. 2;
Fig. 4 is the structural representation of dynamic pressure regulating system in Fig. 2;
Fig. 5 is the structural representation of dynamic pressure cavity in Fig. 2;
Fig. 6 is the structural scheme of mechanism of static pressure regulating system in Fig. 2.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Preferred embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present invention more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
As shown in Figure 1, the invasive blood pressure test set 10 of an embodiment comprises circuit system 100, manual regulating device 200, sensing system 300, dynamic pressure regulating system 400, static pressure regulating system 500 and control system 600.
Incorporated by reference to Fig. 3, circuit system 100 comprises main cavity 110 and secondary cavity 120.Be communicated with between main cavity 110 with secondary cavity 120.
Main cavity 110 is one coordinate by rigid wall the cavity body structure formed with elastic wall.The main cavity 110 of the present embodiment is hexahedron structure, comprises the rigid wall in 5 faces and the elastic wall in 1 face, thus the adjustable volume of main cavity 110.The rigid wall in wherein 1 face offers the opening for being communicated with secondary cavity 120.Rigid wall can be made by the material that the hardness such as aluminum, ferrum and steel are higher.Elastic wall selects elastic film to make.
Secondary cavity 120 is the cavity body structure made by hard material.Secondary cavity 120 offers the circuit interface 122 that can connect for Devices to test, the sensor mounting interface (not shown) that can connect for sensing system 300 and the interface (not shown) for being communicated with main cavity 110.
In test process, being filled with simulation medium in main cavity 110 and secondary cavity 120 can be the fluid media (medium) such as liquid or gas.
Be appreciated that in other embodiments, circuit system can also only include the cavity of a volume-tunable, and this cavity is offered the interface with other equipment connections.In addition, for the circuit system comprising main cavity and secondary cavity, the shape of main cavity is also not limited to hexahedron, as being the shapes such as spheroid, spheroid or cylinder.
Incorporated by reference to Fig. 2 and Fig. 3, the manual regulating device 200 of the present embodiment comprises supporting seat 210 and expansion link 220.Supporting seat 210 is arranged on the side of main cavity 110.The middle part of supporting seat 210 offers through hole (sign), and expansion link 220 can abut with the elastic wall of main cavity 110 through this through hole.Manually adjustable telescopic rod 220, expansion link 220 can relative support seat 210 slide anteroposterior, causes the elastic wall of main cavity 110 to be out of shape, thus can regulate the volume of main cavity 110.Manual regulating device 200 can be used for the volume of adjustment main cavity 110 by a relatively large margin, thus makes whole invasive blood pressure test set export the blood pressure waveform basically identical with expection waveform.Be appreciated that in other embodiments, this invasive blood pressure test set can not have manual regulating device, as long as when not needing fine setting, this test set roughly can export expection blood pressure waveform.
Sensing system 300 comprises pressure transducer 310 and pressure signal processing module 320.Pressure transducer 310 is connected with the sensor mounting interface on secondary cavity, for detecting the pressure of simulation medium in secondary cavity, as hydraulic pressure or air pressure, and converts the pressure signal recorded to the signal of telecommunication.Pressure signal processing module 320 carries out the process such as filtering, level conversion and analog digital conversion successively for the signal of telecommunication transmitted pressure transducer 310, converts the electrical signal to digital signal and is passed to control system 600.
As shown in Figure 4, dynamic pressure regulating system 400 comprises dynamic pressure cavity 410 and dynamic pressure adjusting device 420.Dynamic pressure cavity 410 is communicated with main cavity 110.The adjustable volume of dynamic pressure cavity 410.The controlled braking pressure regulator 420 of control system 600 regulates the volume of dynamic pressure cavity 410.
Incorporated by reference to Fig. 2, Fig. 4 and Fig. 5, the dynamic pressure cavity 410 of the present embodiment comprises main part 411, cover plate 412 and elastic film (sign).Main part 411 is in column type, and cavity is offered in inside, one end open, and the other end is communicated with main cavity 110.Cover plate 412 lid is located at the opening of main part 411 and the middle part of cover plate 412 is provided with through hole.Elastic film covers this through hole.In addition, in the present embodiment, the sidewall of main part 411 offers steam vent 413.When simulation medium is liquid, by steam vent 413, the gas in dynamic pressure cavity 410 and even whole circuit system 100 can be discharged, to prevent from causing interference in test simulation blood pressure waveform process, make testing result more accurate.
As shown in Figure 4, dynamic pressure adjusting device 420 comprises dynamic pressure drive motors 421, push rod 422 and dynamic pressure guiding fixing device 423.The motor shaft 424 of dynamic pressure drive motors 421 is connected with the elastic film of dynamic pressure cavity 410 by push rod 422.Dynamic pressure guiding fixing device 423 comprises line slideway 425 and dynamic pressure stationary fixture 426.Dynamic pressure stationary fixture is used for fixed electrical machinery axle 424 and push rod 422.Dynamic pressure stationary fixture 426 can linearly slide by guide rail 425.
When control system 600 control dynamic pressure drive motors 421 rotate time, dynamic pressure drive motors 421 causes the elastic film generation deformation of dynamic pressure cavity 410 by motor shaft 424, push rod 422, thus cause the change of dynamic pressure cavity 410 volume, and dynamic pressure cavity 410 is connected with whole circuit system 100, thus cause the change of simulation medium pressure in circuit system 100.Dynamic pressure drive motors 421 periodically rotates with certain frequency, can produce required simulation ambulatory blood pressure waveform.
In addition, the side of dynamic pressure stationary fixture 426 is provided with catch 427, and the displacement detecting unit 428 for detecting catch 427 position of dynamic pressure stationary fixture 426 side.In the present embodiment, displacement detecting unit 428 comprises two linearly position sensors of being set up in parallel of guide rail 425 direction, such as infrared sensor etc.Catch 427 is set and displacement detecting unit 428 resets comparatively accurately to complete relief dynamic pressure stationary fixture 426 in test, and can in Real-Time Monitoring motor rotary course, the position of dynamic pressure stationary fixture 426, thus in abnormal cases can Timeliness coverage take counter-measure.
Shown in Fig. 2 and Fig. 6, static pressure regulating system 500 comprises syringe 510, hydrostatic driving motor 520, hydrostatic guide system 530 and static pressure fixture 540.Syringe 510, hydrostatic driving motor 520 and hydrostatic guide system 530 are fixed in static pressure fixture 540, and specifically syringe 510 is fixed on the side of static pressure fixture 540, and hydrostatic driving motor 520 is fixed on the opposite side of static pressure fixture 540.Syringe 510 is communicated with main cavity 110.Hydrostatic guide system 530 comprises guide post, slide block 531 and slide rail 532.The motor shaft 521 of hydrostatic driving motor 520 is connected with the piston (not indicating in figure) of syringe 510 by guide post, slide block 531 successively.Slide rail 532 is located in static pressure fixture 540, and slide block 531 can slide along slide rail 532.
Control system 600 controls hydrostatic driving motor 520 with certain rotational speed according to the pressure data that sensing system 300 records, the motor shaft 521 of hydrostatic driving motor 520 is promoted by guide post, slide block 531 or is retracted the piston of syringe 510 successively, and syringe 510 is communicated with main cavity 110, thus the adjustment to simulation pressure medium in circuit system 100 can be realized.Control system 600, according to the static blood pressure Waveform Control hydrostatic driving motor 520 preset, can realize the output of simulating static blood pressure waveform.
Be appreciated that the invasive blood pressure test set of other embodiments can only include dynamic pressure regulating system or static pressure regulating system, as long as correspondingly realize simulation ambulatory blood pressure wave form output or static blood pressure wave form output.
As shown in Figure 1, the control system 600 of the present embodiment comprises controller 610, dynamic pressure regulable control module 620, static pressure regulable control module 630, communication module 640 and solenoid-driven control module 650.
Controller 610 is for controlling dynamic pressure regulable control module 620, static pressure regulable control module 630, communication module 640 and solenoid-driven control module 650.Controller 610 is connected with pressure signal processing module 320, can receive the pressure on the number signal of pressure signal processing module 320 transmission or send the Real-Time Monitoring that simulation pressure medium in circuit system 100 is carried out in instruction.
The simulation ambulatory blood pressure waveform of default compound medical standards (as YY0781 or YY0783 etc.) is stored in dynamic pressure regulable control module 620, dynamic pressure regulable control module 620 according to the rotating speed of this simulation ambulatory blood pressure Waveform Control dynamic pressure drive motors 421 and can turn to, and then in regulating loop system 100, the pressure of simulation medium realizes the output of ambulatory blood pressure waveform.
The simulation static blood pressure waveform of default compound standard is stored in static pressure regulable control module 630, static pressure regulable control module 630 can be driven the rotating speed of electrostatic machine 520 according to this simulation static blood pressure Waveform Control static pressure and turn to, and then in regulating loop system 100, the pressure of simulation medium realizes the output of static blood pressure waveform.
Communication module 640 can receive the operational order of the terminal with communication interface, carries out the Real-Time Monitoring etc. of the pressure of simulation medium in ambulatory blood pressure wave form output, static blood pressure wave form output or circuit system 100 as instruction.
Solenoid-driven control module 650 is mainly used in (crashing appears in not response terminal instruction as long-time in communication module or controller 610) reset controller 610 under abnormal conditions appear in controller 610.Be appreciated that, in other embodiments, as only contained the invasive blood pressure test set of dynamic pressure regulating system or static pressure regulating system, control system can only containing corresponding dynamic pressure regulable control module or static pressure regulable control module, or in other embodiments, communication terminal is set directly at control system inside, also namely without the need for communication module, under abnormal conditions appear in controller, also can not need to arrange solenoid-driven control module and direct manual restart controller.
Above-mentioned invasive blood pressure test set 10 receives instruction by communication module 640, carries out different operations, comprising: the real-time measurement of pressure in ambulatory blood pressure wave form output, static blood pressure waveform adjustment and circuit system 100.When communication module 640 receives ambulatory blood pressure output order, controller 610 sends control signal to dynamic adjustments control module 620, dynamic adjustments control module 620 drives the dynamic pressure drive motors 421 of dynamic pressure regulating system 400 to start to rotate, the rotation of dynamic pressure drive motors 421 can promote the elastic film in dynamic pressure cavity 410, thus the pressure of whole circuit system 100 will change, the continuous rotation of dynamic pressure drive motors 421 will realize the generation of ambulatory blood pressure.When communication module 640 receives static blood pressure regulating command, controller 610 pressure signal processing module 320 obtains the pressure signal of pressure transducer 310, according to this pressure signal, controller device 610 judges that hydrostatic driving motor 520 needs the revolution rotated, then transmit control signal to static pressure regulable control module 630, static pressure regulable control module 630 drives the hydrostatic driving motor 520 of static pressure regulating system 500 to rotate, hydrostatic driving motor 520 drives the piston movement of syringe 510, thus realizes the adjustment of static blood pressure.When communication module 640 receives the real-time measurement instruction of pressure in circuit system 100, controller 610 obtains the pressure signal of pressure transducer 310 by pressure signal processing module 320, and this pressure signal is sent to communication module 640.
The control system 600 of above-mentioned invasive blood pressure test set 10 controls by the hydraulic pressure waveform (comprising ambulatory blood pressure waveform and static blood pressure waveform) required in medical standards the volume that dynamic pressure regulating system 400 or static pressure regulating system 500 carry out regulating loop system 100, thus cause the change of simulation pressure medium in circuit system 100, and then simulate ambulatory blood pressure waveform or the static blood pressure waveform of organism, and the pressure of simulation medium in sensing system 300 Real-Time Monitoring circuit system 100, sensing system 300 is connected with control system 600, control system 600 can export standard compliant simulation dynamically or static blood pressure waveform according to the pressure data of Real-Time Monitoring.
Devices to test is connected with circuit interface, in Devices to test measure loop system 100, the pressure of simulation medium obtains simulating dynamically or static blood pressure waveform, by Devices to test is detected the simulation that obtains dynamically or the simulation that exports of static blood pressure waveform and this invasive blood pressure test set 10 dynamically or static blood pressure waveform make comparisons, get final product device under test and carry out performance test.Due to the volume of control system 600 controllable adjustable circuit system 100, ambulatory blood pressure waveform or the static blood pressure waveform of also i.e. whole invasive blood pressure test set 10 output are adjustable, solve the defect that traditional test set can not produce titer corrugating.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (15)
1. an invasive blood pressure test set, is characterized in that, comprising:
The circuit system of adjustable volume, is provided with the circuit interface that can connect for Devices to test;
Sensing system, for detecting the pressure of simulation medium in described circuit system;
Dynamic pressure regulating system, comprise adjustable volume dynamic pressure cavity and for regulating the dynamic pressure adjusting device of described dynamic pressure cavity body bulk, described dynamic pressure cavity is communicated with described circuit system;
Control system, be connected with described sensing system, and the ambulatory blood pressure waveform of simulation is exported according to the pressure data of described sensing system Real-Time Monitoring, described control system also regulates the volume of described circuit system for dynamic pressure adjusting device according to the standard compliant simulation dynamic hydraulic Waveform Control stored.
2. invasive blood pressure test set as claimed in claim 1, it is characterized in that, described circuit system comprises the main cavity and secondary cavity that are interconnected, described secondary cavity is provided with the sensor mounting interface be connected with described sensing system, described circuit interface is located on described secondary cavity, described main cavity adjustable volume.
3. invasive blood pressure test set as claimed in claim 2, is characterized in that, described main cavity is one coordinate by rigid wall the cavity body structure formed with elastic wall.
4. invasive blood pressure test set as claimed in claim 3, it is characterized in that, described invasive blood pressure test set also comprises the manual regulating device being connected the volume for regulating described main cavity with described elastic wall.
5. invasive blood pressure test set as claimed in claim 4, is characterized in that, described manual regulating device comprises supporting seat and runs through described supporting seat and can the expansion link that slides of relatively described supporting seat, and described expansion link contacts with described elastic wall.
6. invasive blood pressure test set as claimed in claim 1, it is characterized in that, described sensing system comprises the pressure transducer of the pressure for detecting simulation medium in described circuit system and the pressure recorded is carried out to the pressure signal processing module of filtering, level conversion and analog-to-digital conversion process, and described pressure signal processing module is connected with described control system; Or
Described dynamic pressure cavity comprises main part, cover plate and elastic film, described main part one end open, described cover plate lid is located at the opening of described main part and the middle part of described cover plate is provided with through hole, and described elastic film covers described through hole, and described dynamic pressure adjusting device is connected with described elastic film.
7. invasive blood pressure test set as claimed in claim 6, it is characterized in that, described dynamic pressure adjusting device comprises dynamic pressure drive motors, push rod and dynamic pressure guiding fixing device, the motor shaft of described dynamic pressure drive motors is connected with described elastic film by described push rod, described dynamic pressure guiding fixing device comprise line slideway and for fix described motor shaft and described push rod and the dynamic pressure stationary fixture that can slide along described line slideway.
8. invasive blood pressure test set as claimed in claim 7, it is characterized in that, the side of described dynamic pressure stationary fixture is provided with catch, and described invasive blood pressure test set also comprises the displacement detecting unit for detecting described catch position being located at described dynamic pressure stationary fixture side.
9. invasive blood pressure test set as claimed in claim 8, it is characterized in that, described displacement detecting unit comprises multiple position sensor be set up in parallel along described line slideway direction.
10. invasive blood pressure test set as claimed in claim 6, it is characterized in that, described main part is provided with air vent.
11. invasive blood pressure test sets as claimed in claim 1, is characterized in that, described control system comprises the dynamic pressure regulable control module for controlling described dynamic pressure regulating system and the controller for controlling described dynamic pressure regulable control module.
12. invasive blood pressure test sets as claimed in claim 11, it is characterized in that, described control system also comprises:
For the solenoid-driven control module of the described controller that resets under abnormal operation; And/or
For receiving the communication module of the operational order of extraneous terminal.
13. invasive blood pressure test sets according to any one of claim 1-12, it is characterized in that, described invasive blood pressure test set also comprises static pressure regulating system, described static pressure regulating system comprises syringe, hydrostatic driving motor, hydrostatic guide system and for fixing described syringe, the static pressure fixture of described hydrostatic driving motor and described hydrostatic guide system, described syringe is communicated with described circuit system, described control system controls described hydrostatic driving motor, the motor shaft of described hydrostatic driving motor is connected with the piston of described syringe by described hydrostatic guide system.
14. invasive blood pressure test sets as claimed in claim 13, it is characterized in that, described hydrostatic guide system comprises guide post, slide block and slide rail, the motor shaft of described hydrostatic driving motor is connected with described piston by described guide post, described slide block successively, described slide rail is located in described static pressure fixture, and described slide block can slide along described slide rail.
15. invasive blood pressure test sets as claimed in claim 13, is characterized in that, described control system also comprises the static pressure regulable control module for controlling described hydrostatic driving motor.
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| CN201210468752.1A CN103815885B (en) | 2012-11-19 | 2012-11-19 | Invasive blood pressure test set |
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| CN201210468752.1A CN103815885B (en) | 2012-11-19 | 2012-11-19 | Invasive blood pressure test set |
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| CN103815885A CN103815885A (en) | 2014-05-28 |
| CN103815885B true CN103815885B (en) | 2016-02-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105361957B (en) * | 2015-10-19 | 2018-05-18 | 郑中富 | A kind of clinical pressure sensor measurement and positioning instrument |
| CN105877724B (en) * | 2016-05-19 | 2019-04-05 | 优尼麦迪克器械（深圳）有限公司 | Portable invasive pressure sensor |
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| CN103815885A (en) | 2014-05-28 |
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