CN204306798U - A kind of vascular endothelial function non-invasive detector - Google Patents
A kind of vascular endothelial function non-invasive detector Download PDFInfo
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- CN204306798U CN204306798U CN201420711096.8U CN201420711096U CN204306798U CN 204306798 U CN204306798 U CN 204306798U CN 201420711096 U CN201420711096 U CN 201420711096U CN 204306798 U CN204306798 U CN 204306798U
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Abstract
This utility model belongs to curable product technical field, concrete openly vascular endothelial function non-invasive detector, this non-invasive detector comprise portable control operation chassis, with Biscreen display computer, be enclosed within detected person's upper limb observation side brachial artery place and execute stressed cuff type pressue device, and thermal imagery collection location Background apparatus; Also comprise the thermal infrared imager be installed on portable control operation chassis: for gathering the heat energy information that the tested position of human body sends, heat energy information converts digital signal to by hardware circuit and sends computer to.This detector is more flexible on using, and can gather the amplitude of variation of observing hot changes in distribution that whole upper limb causes because of hemodynamic change and gradient of temperature, information is abundanter simultaneously, makes detection promptly and accurately to vascular endothelial function.
Description
Technical field
This utility model belongs to curable product technical field, particularly a kind of vascular endothelial function non-invasive detector.
Background technology
In prior art, developing of cardiovascular disease, starts mainly with cardiovascular endothelial function disturbance.Thought, blood vessel endothelium is only a kind of mechanical barrier in the past, and the flowing for blood provides a level and smooth physical surface.Recent study result confirms, vascular endothelial cell is a very active endocrine organ, there is multiple important biological activity, physiological stimulation can be experienced, make simultaneously and regulate reaction, to maintain the balance of Ink vessel transfusing environment, maintain the stable state of cardiovascular system in vivo as important " regulating tissue ", and all cardiovascular disease of endothelial function disturbance almost with known are relevant.
To the crowd of Long Term Contact vascular endothelial injury risk factor, carry out the earlier detection of vascular endothelial function, note abnormalities, take some countermeasures in early days, prevention and retarding cardiovascular diseases are developed, there is very important meaning.
The comparatively normal blood vessel inner skin cell function Non-invasive detection instrument adopted has following two kinds at present:
(1) pressure sensing technology (peripheral artery tonometry, PAT is adopted; Endo PAT as Israel);
(2) ultrasonic technique (flow mediated dilation, FMD, the FMD as Germany).
These two kinds of technology clinically, it is all the bloodstream blocking arteries external force (air pressure) of detected person side limbs (upper limb) being carried out to certain hour, another limbs do reference, then pressure relief blocks suddenly, then the hemodynamic change of comparative observation detected person left and right sides limb artery; The instrument of pressure sensing technology is adopted usually to impose the pressure of 200 ~ 300mmhg with the brachial artery of pressure cuff to detected person side, suddenly pressure relief again after 5 minutes, observes the change of its fluctuating signal waveform before and after exerting pressure to detected person's both upper extremities tip pressure transducer fingerstall; And adopt the instrument of ultrasonic technique to be also adopt the far-end of above-mentioned means to detected person side brachial artery to exert pressure, in unexpected pressure relief after 5 minutes; Simultaneously in the change of ultrasonic probe observation brachial artery place, front and back artery structure of exerting pressure.
Above-mentioned two kinds of technology are all considered to significant clinically, but in clinical practice, there are more following limitations separately:
(1) pressure sensing technology (PAT) has the impact being subject to ambient environmental factors and autonomic nerve, and the problem having Detection Information single, generally can only gather the local message of regulation, if there is recessive vascular lesion in collected finger, the result of such collection is inaccurate, may there is the risk that can cause mistaken diagnosis;
(2) ultrasonic technique (FMD) needs well-trained operator, and blood pressure cuff position, tangent plane are chosen and pressing dynamics of popping one's head in all can have an impact to result, and therefore, the accuracy of result is difficult to control.
Utility model content
The purpose of this utility model overcomes the deficiencies in the prior art, a kind of vascular endothelial function non-invasive detector is provided, this detector is more flexible on using, the amplitude of variation of observing hot changes in distribution that whole upper limb causes because of hemodynamic change and gradient of temperature can be gathered simultaneously, information is abundanter, makes detection promptly and accurately to vascular endothelial function.
In order to overcome above-mentioned technical purpose, this utility model realizes by following technical scheme:
Vascular endothelial function non-invasive detector described in the utility model, comprise portable control operation chassis, with Biscreen display computer, be enclosed within detected person's upper limb observation side brachial artery place and execute stressed cuff type pressue device, and thermal imagery collection location Background apparatus; Also comprise the thermal infrared imager be installed on portable control operation chassis: for gathering the heat energy information that the tested position of human body sends, heat energy information converts digital signal to by hardware circuit and sends computer to.
As the further improvement of above-mentioned technology, the table top of described portable control operation chassis is provided with feature operation district and information gathering district, and described thermal infrared imager corresponds to the top in information gathering district, and described Biscreen display is placed in feature operation district.
As the further improvement of above-mentioned technology, the table top of described portable control operation chassis corresponds to information gathering area edge and be provided with an installation column, described installation column is provided with the arm for being hung with infrared video camera.
In this utility model, described cuff type pressue device comprises the air bag cuff, loading controls, piezometer and the appendix for connecting that connect successively.
In this utility model, described Biscreen display comprises towards first display of detected person and the second display for using to operator.
In this utility model, described thermal imagery collection location Background apparatus comprises metal background board, is placed in nonmetal aperture plate, the refrigerator on metal background board surface and the temperature detection circuit be electrically connected with refrigerator.This thermal imagery collection location Background apparatus is applied on detector, effectively increases the accurate objective of information data and the sharpness of definition of image.
The detection method of above-mentioned vascular endothelial function non-invasive detector, its concrete steps are:
(1) start, in the region specified under making detected person that both upper extremities forearm is placed in infrared video camera;
(2) heatmap information of detected person's both upper extremities forearm then, is gathered by infrared video camera;
(3) brachial artery or femoral artery blood flow a period of time t1 of side upper limb then, is blocked with air bag cuff air pressure;
(4) then, cuff gas is discharged;
(5) operator by the second display Continuous Observation be connected with infrared video camera exert pressure front and back detected person's both upper extremities forearm thermal map in hot distribution change and the amplitude situation of variations in temperature, detected person's simultaneous observation;
(6) with the thermal map not executing air pressure side in contrast side comparative analysis exert pressure side upper forearm thermal map in hot distribution change and the amplitude situation of variations in temperature;
(7) last, undertaken analyzing, preserve or also being printed by printer drawing analysis report by computer.
As the further improvement of above-mentioned technology, the Xining t1 in described step (3) is 5 minutes.
Compared with prior art, the beneficial effects of the utility model are:
(1) this utility model is compared to the pressure sensing technology of prior art and ultrasonic technique, it can be more flexible in use, information is abundanter, the amplitude of variation of observing hot changes in distribution that whole upper limb causes because of hemodynamic change and gradient of temperature can be gathered simultaneously, testing result accurately can be provided, for the Timeliness coverage of blood vessel endothelium disease provides strong foundation with treatment;
(2) non-invasive detection methods described in the utility model is Non-invasive detection method, and the same time is little by the impact of peripheral environment, also can not affect the accuracy of result because the maneuver of operation is unskilled.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, this utility model is described in detail:
Fig. 1 is vascular endothelial function non-invasive detector structural representation described in the utility model;
Fig. 2 is the collection of thermal imagery described in this utility model location Background apparatus structural representation.
Detailed description of the invention
As shown in Figure 1, vascular endothelial function non-invasive detector described in the utility model, comprise portable control operation chassis 1, with Biscreen display computer 2, be enclosed within detected person's upper limb observation side brachial artery place and execute stressed cuff type pressue device 3, and thermal imagery collection location Background apparatus 4; Also comprise the thermal infrared imager 5 be installed on portable control operation chassis: for gathering the heat energy information that the tested position of human body sends, heat energy information converts digital signal to by hardware circuit and sends computer 2 to, be provided with software in described main frame, the infrared information collection of non-invasive detector, information are preserved and information analysis diagnostic function is all completed by this software.
The table top of described portable control operation chassis 1 is provided with feature operation district I and information gathering district II, and described thermal infrared imager 5 corresponds to the top in information gathering district, and described Biscreen display is placed in feature operation district I.
The table top of described portable control operation chassis 1 corresponds to II edge, information gathering district and be provided with an installation column 6, described installation column 6 is provided with the arm 7 for being hung with infrared video camera 5.
Described cuff type pressue device 4 comprises the air bag cuff, loading controls, piezometer and the appendix for connecting that connect successively.
Described Biscreen display comprises towards first display 8 of detected person 10 and the second display 9 for using to operator, first display 8 allows detected person see the thermal map image of collection, make detected person synchronously gaze on the one hand and coordinate inspection, reduce influence factor; Second display 9 observes use to operator.
As shown in Figure 2, the temperature detection circuit that described thermal imagery collection location Background apparatus 4 comprises the metal background board 41 with internal cavities, the nonmetal aperture plate 42 being placed in metal background board surface, refrigerator and is electrically connected with refrigerator, described refrigerator and temperature detection circuit are placed in the internal cavities of metal background board 41.
Described thermal imagery collection location Background apparatus 4 has following effect:
(1) described thermal imagery collection location Background apparatus 4 plays the positioning action to measured target, and arm is seated on the nonmetal aperture plate 42 on metal background board 41 surface by detected person 10, namely may position detection exactly;
(2) provide the low temperature background of information gathering noise reduction, because metal background board 41 is built-in with refrigerator, the temperature that the lasting maintenance of refrigerator is colder, to provide the low temperature background of tool decrease of noise functions, can gather heatmap information more accurately;
(3) real time correction is carried out to the temperature of thermal imagery;
(4) physical size of nonmetal aperture plate 42 provides the reference of conversion for area that accounting temperature distributes.
Therefore, be applied on detector by above-mentioned thermal imagery collection location Background apparatus 4, it can increase the accurate objective of information data and the sharpness of definition of image effectively.
This utility model also discloses a kind of detection method of vascular endothelial function non-invasive detector, and its concrete steps are:
(1) start, both upper extremities forearm is placed in the region of regulation below infrared video camera 5 by detected person 10, i.e. information gathering district II;
(2) heatmap information of detected person 10 both upper extremities forearm then, is gathered by infrared video camera 5;
(3) then, the brachial artery of side upper limb or femoral artery blood flow 5 minutes is blocked with the air bag cuff air pressure of cuff type pressue device 3;
(4) gas in the air bag cuff of cuff type pressue device 3 then, is discharged;
(5) operator by second display 10 Continuous Observation be connected with infrared video camera 5 exert pressure front and back detected person's both upper extremities forearm thermal map in hot distribution change and the amplitude situation of variations in temperature, detected person's simultaneous observation;
(6) with the thermal map not executing air pressure side in contrast side comparative analysis exert pressure side upper forearm thermal map in hot distribution change and the amplitude situation of variations in temperature;
(7) last, carry out analysis by computer 2 and store or and draw analysis report by printer printing.
This utility model is not limited to above-mentioned embodiment, every spirit and scope of the present utility model are not departed to various change of the present utility model or modification, if these are changed and modification belongs within claim of the present utility model and equivalent technologies scope, then this utility model also means that comprising these changes and modification.
Claims (6)
1. a vascular endothelial function non-invasive detector, it is characterized in that: comprise portable control operation chassis, with Biscreen display computer, be enclosed within detected person's upper limb observation side brachial artery place and execute stressed cuff type pressue device, and thermal imagery collection location Background apparatus;
Also comprise the thermal infrared imager be installed on portable control operation chassis: for gathering the heat energy information that the tested position of human body sends, heat energy information converts digital signal to by hardware circuit and sends computer to.
2. vascular endothelial function non-invasive detector according to claim 1, it is characterized in that: the table top of described portable control operation chassis is provided with feature operation district and information gathering district, described thermal infrared imager corresponds to the top in information gathering district, and described Biscreen display is placed in feature operation district.
3. vascular endothelial function non-invasive detector according to claim 2, it is characterized in that: the table top of described portable control operation chassis corresponds to information gathering area edge and be provided with an installation column, described installation column is provided with the arm for being hung with infrared video camera.
4. vascular endothelial function non-invasive detector according to claim 1, is characterized in that: described cuff type pressue device comprises the air bag cuff, loading controls, piezometer and the appendix for connecting that connect successively.
5. vascular endothelial function non-invasive detector according to claim 1, is characterized in that: described Biscreen display comprises towards first display of detected person and the second display for using to operator.
6. vascular endothelial function non-invasive detector according to claim 1, it is characterized in that: described thermal imagery collection location Background apparatus comprises metal background board, is placed in nonmetal aperture plate, the refrigerator on metal background board surface and the temperature detection circuit be electrically connected with refrigerator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420711096.8U CN204306798U (en) | 2014-11-24 | 2014-11-24 | A kind of vascular endothelial function non-invasive detector |
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| CN201420711096.8U CN204306798U (en) | 2014-11-24 | 2014-11-24 | A kind of vascular endothelial function non-invasive detector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104367301A (en) * | 2014-11-24 | 2015-02-25 | 北京爱尔慈红外医学科技有限公司 | Vascular endothelial function noninvasive detector and detection method thereof |
| CN106963353A (en) * | 2015-12-30 | 2017-07-21 | 朝阳科技大学 | Method for assessing arterial blood flow-mediated vasodilation function |
-
2014
- 2014-11-24 CN CN201420711096.8U patent/CN204306798U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104367301A (en) * | 2014-11-24 | 2015-02-25 | 北京爱尔慈红外医学科技有限公司 | Vascular endothelial function noninvasive detector and detection method thereof |
| CN104367301B (en) * | 2014-11-24 | 2017-02-22 | 北京爱尔慈红外医学科技有限公司 | Vascular endothelial function noninvasive detector and detection method thereof |
| CN106963353A (en) * | 2015-12-30 | 2017-07-21 | 朝阳科技大学 | Method for assessing arterial blood flow-mediated vasodilation function |
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