CN102579237B - Intermittent pneumatic compression system with venous refilling detecting function - Google Patents
Intermittent pneumatic compression system with venous refilling detecting function Download PDFInfo
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- CN102579237B CN102579237B CN201210059006.7A CN201210059006A CN102579237B CN 102579237 B CN102579237 B CN 102579237B CN 201210059006 A CN201210059006 A CN 201210059006A CN 102579237 B CN102579237 B CN 102579237B
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Abstract
The invention provides an intermittent pneumatic compression system with a venous refilling detecting function, which comprises a system host, a vent line, a limb sleeve and a detection sensor. The system host is connected to the limb sleeve through the vent line. The limb sleeve is used for providing air pressure with certain strength to a limb of a patient according to the control of the system host so as to change the blood circulation state of the limb. The detection sensor is arranged in the limb sleeve and is used for detecting the blood circulation state of the limb in the limb sleeve in real time and transmitting a detection signal to the system host. The system host is used for automatically regulating the operations of inflating and deflating the limb sleeve according to the signal transmitted by the detection sensor. By the intermittent pneumatic compression system provided by the invention, the time interval of pressurizing by air inflation can be controlled and automatically regulated and the blood circulation is well promoted. The intermittent pneumatic compression system is helpful to prevent the deep vein thrombosis from being formed, relieves various symptoms caused by the deep vein thrombosis and performs early warning on the various symptoms and has wide application prospect.
Description
Technical field
The present invention relates to a kind of inflating pressure medical treatment-rehabilitation appliances that can promote blood and tissue fluid circulation, relate to more specifically a kind of vein inflating pressure system at intermittence of full measuring ability again that has.
Background technology
Intermittently inflating pressure system (Intermittent Pneumatic Compression) is a kind of passing through the air pressure of some strength, by limbs sleeve, by modes such as regular hour, sequence of positions and time-out interval, put on medical treatment, the rehabilitation appliances of patient's limbs, can effectively promote the circulation of blood and tissue fluid, contribute to the formation of prevention of deep vein thrombosis, can improve limb artery blood supply, treatment limbs venous edema and the treatment of lower Extremities, and alleviate the various symptoms that cause thus.This kind equipment is free atmospheric pressure therapeutic instrument (IPC) and two kinds of titles of air pressure thromboembolism preventing pump (DVT) at present, the two basic action principle is intermittently inflating pressure system, but the former configuration is more prone to solve cycle of limbs class disease, and latter is more prone to solve the prevention of deep venous thrombosis.IPC system has been widely used in clinical treatment at present, but being, current used IPC system mechanically carries out therapeutic compression, according to the loop condition in limbs of patient, do not regulate the interval time of inflating pressure, coordinate with patient's actual disease the undesirable problem that exists, as the blood in limbs of patient may also not recharge just again completely to its problem such as emptying of exerting pressure, and because doctor is to cycle of limbs level and not enough to the grasp of the information such as equipment principle, can not reach best therapeutic effect.In order to reach better therapeutic effect, should be according to the interval time of loop condition dynamic adjustments inflating pressure in limbs of patient, the Related product of having known at present U.S. Tai Ke company about this respect has similar functions, the variable quantity of the volume of its equipment by measuring limbs of patient after vein recharges carrys out regulating and controlling cycle of limbs pressing time, but in practical probation, find that its measurement result is very inaccurate, because the variable quantity of the volume of limbs of patient after vein recharges is very micro-, therefore this equipment can not play best therapeutic effect.
Summary of the invention
The present invention is based on above-mentioned technical problem and propose, in order to make intermittently inflating pressure system reach best therapeutic effect, the present invention by adopting infrared sensor in this system, to measure in real time the congested situation of limbs of patient Superficial veins, and then the full situation again of real-time characterization limbs vein, and the interval of inflating pressure is adjusted in control automatically accordingly, thereby make this intermittence inflating pressure system can be according to the loop condition dynamic adjustments inflating pressure interval in different limbs of patients, to reach best therapeutic effect.
The present invention solves the problems of the technologies described above taked technological means:
A kind of have a vein inflating pressure system at intermittence of full measuring ability again, comprise system host, vent line, limbs sleeve and detecting sensor, described system host is connected in limbs sleeve by vent line, described limbs sleeve provides the air pressure of some strength to change the blood circulation state of limbs to the limbs of patient in it according to the control of system host, it is characterized in that, described detecting sensor is installed on limbs sleeve, and for detecting in real time the blood circulation state of limbs in it, and detection signal is transferred to system host, described system host is adjusted the inflation/deflation operation to limbs sleeve automatically according to the feedback signal of detecting sensor.
Further according to inflating pressure system at intermittence of the present invention, described blood circulation state comprises that the emptying and blood of blood recharges state, when system host is pressed predetermined pressure and is inflated to limbs sleeve by vent line, detecting sensor detects limbs in limbs sleeve in blood emptying state, when system host is during to limbs sleeve release pressure, the limbs that detecting sensor detects in limbs sleeve recharge state in blood.
Further according to inflating pressure system at intermittence of the present invention, blood that described system host detects according to detecting sensor is emptying and recharge the inflation cycle interval that inflating pressure system at described intermittence is dynamically adjusted at interval, just controls the charge operation that described limbs sleeve carries out a new round while only having the detection signal that limbs blood has recharged in described system host is receiving the sign limbs sleeve that detecting sensor feeds back.
Further according to inflating pressure system at intermittence of the present invention, described system host comprises inflator pump and control module, the feedback signal of described control module based on detecting sensor controlled the inflation cycle operation of inflator pump, and described control module also stores normal blood status reference value, and the blood circulation state information that detecting sensor can be fed back carries out comparing with this reference value after respective handling, if depart from the predetermined scope of this reference value, carry out alarm.
Further according to inflating pressure system at intermittence of the present invention, described normal blood status reference value comprises the normal blood velocity of discharge, normal blood recharges speed and normal blood value of having recharged, the blood emptying state data that described control module detects based on sensor are calculated the blood velocity of discharge, the blood detecting based on sensor recharges status data and calculates blood and recharge speed and the blood value of having recharged, and value of calculation is compared with corresponding normal reference value, if depart from the predetermined range of error of corresponding reference value, carry out disease alarm.
Further according to inflating pressure system at intermittence of the present invention, described limbs sleeve has double-deck wall structure, inner wall surface thereof is soft and be close to patient's limbs, has inflation interval between inside and outside wall, and described detecting sensor is installed on the internal face of limbs sleeve.
Further according to inflating pressure system at intermittence of the present invention, described detecting sensor is infrared ray sensor, include RF transmitter and infrared receiver, and the strength values based on the received reflected infrared ray of infrared receiver changes to react blood circulation state.
Further, according to inflating pressure system at intermittence of the present invention, described RF transmitter and infrared receiver work in a plurality of infrared bands simultaneously, and based on each infrared band, detect that the Average Quasi of data is incompatible determines final detected value.
The technique effect that the present invention reaches:
1, the present invention is by adopting infrared sensor at intermittence in inflating pressure system, the congested situation of sensing limbs of patient Superficial veins in real time, thereby can control the interval of automatic adjustment inflating pressure, this system blood in to each circulation treatment of different patients is all reached after emptying, emptying fully to be recharged again, can play well and promote circulation, to reach optimum therapeuticing effect.
The inflating pressure system at intermittence 2, described in the application of the invention with the infrared sensor of real-time detection function, better blood circulation promoting, contribute to the formation of prevention of deep vein thrombosis, can improve limb artery blood supply, treatment limbs venous edema and the treatment of lower Extremities, and alleviate the various symptoms that cause thus.
3, further intermittence of the present invention inflating pressure system according to the actual blood detecting emptying-recharge state, can carry out judgement, the alarm of the diseases such as obstruction of artery, venous valve pathological changes, phlebothrombosis, further improve its therapeutic effect.
4, simultaneously the inflating pressure system at intermittence with above-mentioned functions of the present invention easily realize, workable, be with a wide range of applications.
Accompanying drawing explanation
Accompanying drawing 1 for of the present invention have vein more full measuring ability intermittence inflating pressure system structure principle chart;
In accompanying drawing 1, each Reference numeral is: IPC system host 1, vent line 2, limbs sleeve 3, detecting sensor 4, sensor signal lines 5.
Accompanying drawing 2 is the fundamental diagram of infrared ray sensor used in inflating pressure system at intermittence of the present invention;
In accompanying drawing 2, each Reference numeral is: sensor outer housing 6, RF transmitter 7, infrared receiver 8, inject the infrared ray 10 of skin, from infrared ray 11, veins beneath the skin 12, the skin 9 of veins beneath the skin reflection.
The specific embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in detail to understand more fully technical scheme of the present invention, but and does not mean that and limit the invention in these concrete embodiments.
As shown in Figure 1, of the present invention have vein again the inflating pressure system at intermittence of full measuring ability comprise IPC system host 1, vent line 2, limbs sleeve 3, detecting sensor 4 and sensor signal lines 5, wherein this IPC system host 1 comprises inflator pump and control module, wherein this control module is controlled the blowing pressure of inflator pump based on switching signal and external feedback signal, the inflation such as inflationtime and time-out interval working method, described vent line 2 is connected between IPC system host 1 and limbs sleeve 3, for the inflation that IPC system host 1 inflator pump is produced, be provided in limbs sleeve 3, the limbs that described limbs sleeve 3 imitates human bodies are made as shape of leg, patient's limbs (as shank) can be penetrated in this sleeve, this sleeve has double-deck wall structure, inner wall surface thereof softness and close contact patient's limbs, between inside and outside wall, there is inflation interval, outer wall is generally made by the larger material of hardness, described detecting sensor is installed on the specific part of limbs sleeve, be usually located at the limbs sleeve larger position of exerting pressure, can preferably be positioned at the internal face of limbs sleeve, also can be arranged in the inflation interval between its outside wall surface or inside and outside wall, for detecting in real time the blood circulation situation of limbs of patient, typical this detecting sensor adopts infrared ray sensor, and include RF transmitter and infrared receiver, its operation principle as shown in Figure 2, wherein when the infrared ray 10 that RF transmitter 7 produces inject skin 9 interior after, part infrared ray is absorbed by the erythrocyte in blood vessel 12, another part infrared ray 11 is reflected by blood vessel 12 and is received by infrared receiver 8, ultrared absorbtivity and blood under skin to recharge saturation directly related, when limbs of patient is subject to compressing and makes under skin that blood is discharged from, be reflected and infra-red intensity that received device detects stronger, after limbs sleeve release pressure, limbs of patient recharges blood naturally, the blood blood vessel that now a large amount of infrared ray are recharged under skin absorbs, be reflected and infra-red intensity that received device detects a little less than, the detected ultrared strength values size of this receptor by sensor can be reacted the congested situation of veins beneath the skin accurately, this sensor 4 also transfers to IPC system host 1 by this detection data through holding wire 5, control module in this IPC system host 1 is converted to corresponding blood status characterization value by this detection data, and in this control module, also store normal blood status reference value, by the blowing pressure that relatively detected value and this reference value are provided to control in real time IPC system host, the operational factors such as inflation interval, reach optimum therapeuticing effect.
Of the present invention have vein more full measuring ability intermittence inflating pressure system specific works process be: intermittence of the present invention inflating pressure system be a kind of by by the air pressure of some strength through limbs sleeve by the time of real-time fine adjustment, the mode such as sequence of positions and time-out interval puts on the medical treatment of patient's limbs, rehabilitation appliances, its work process as shown in Figure 1, during product work, first by system host 1, control by predetermined pressure (this predetermined pressure is according to normal population is carried out to several times experimental test and definite pervasive limb therapeutic the blowing pressure) and order and inflate to limbs sleeve 3, effect due to inflation, can exert pressure to the limbs of patient in limbs sleeve 3, cause vessel inner blood under limbs of patient skin to start emptying, now infrared sensor 4 detects the emptying event of blood, system host 1 release pressure after completing an inflation cycle then, now in limbs sleeve, patient's limbs recharge blood naturally, infrared sensor 4 just detects the process that blood recharges in real time, it is the most weak and while stablizing gradually that the infra-red intensity detecting when infrared sensor 4 approaches, mean that blood substantially completes and recharges, that is now blood complete one complete emptying-recharge circulation, then system host 1 is again controlled to limbs sleeve and is inflated according to infrared sensor minimum value now.Emptying by 4 pairs of blood of infrared sensor, the real-time detection that recharges state can be adjusted the intermittently intercycle of inflating pressure system accurately, this interval can be emptied to time of earth pressure release and earth pressure release based on blood and to blood, complete the time recharging and determine, and can adjust dynamically the circulation time interval of inflating pressure for different patients and limb part, to guarantee that limbs inner blood constantly carries out emptying-circulation that recharges, and the accurate detection by sensor can make blood in each circulation all reach emptying, after emptying, fully recharge again, can play well and promote circulation, to reach optimum therapeuticing effect.
Further the control module in above-mentioned IP C system host 1 also stores normal blood status reference value, as the blood velocity of discharge under normal circumstances, blood under normal circumstances recharges speed and blood under normal circumstances recharges numerical value completely, when carry out the blood of above-mentioned limbs emptying-recharge in therapeutic process, when the blood circulation state value detecting in real time when infrared sensor departs from the reasonable error scope of its corresponding reference value, can control system host 1 and send obstruction of artery, venous valve pathological changes, the alarm of the diseases such as phlebothrombosis, as controlled when system host 1 by predetermined pressure (this predetermined pressure is that basis is carried out several times experimental test and definite pervasive limb therapeutic the blowing pressure to normal population), limbs of patient is exerted pressure and made under limb skin blood start when emptying, emptying data of blood that control module detects in real time based on sensor and calculate patient's the blood velocity of discharge, and the canonical reference velocity amplitude of this velocity amplitude and storage is compared, if depart from this canonical reference value and rational range of error thereof, judge that limbs of patient may suffer from the pathological changes such as obstruction of artery, now control module control system main frame sends this pathological changes warning.In like manner, after release pressure, the blood that control module detects in real time based on sensor recharges data and the blood that calculates patient recharges speed and blood recharges state completely, and this calculating data and the canonical reference value prestoring are compared, if depart from the predetermined range of error of canonical reference value, judge that limbs of patient may exist venous valve pathological changes, phlebothrombosis etc. disease, send simultaneously and report to the police to remind therapist to note.Therefore intermittence of the present invention, inflating pressure system was because situation is discharged-recharged to the blood that has sensor to measure in real time limbs Superficial veins, not only can automatically control inflating pressure interval to reach better therapeutic effect for the different limb parts of different patients, and whether the blood velocity of discharge that can judge in time patient recharge speed lower than normal value, blood and whether the situation such as whether cannot well discharge higher or lower than normal value, blood, when promoting blood and tissue fluid circulation, can find in time the symptoms such as arteriovenous pathological changes that may exist.
Intermittence of the present invention inflating pressure system by the emptying recurrent state that recharges that adopts above-mentioned infrared ray sensor and detect in real time blood to reach good therapeutic effect, in order further to improve accuracy of detection to reach optimum therapeuticing effect, consider that tissue is different to the light absorbability of different wave length with blood, can in this sensor, adopt the infrared ray of different wave length to detect simultaneously, and the final detected value of conduct after detection data are compared, to improve the accuracy detecting, get rid of the impact that the different colours of skin of patient cause detected value, carrying out this improvement can realize by make RF transmitter in sensor and infrared receiver work in a plurality of infrared bands simultaneously, and the incompatible definite final detected value of Average Quasi that detects data based on each infrared band is accurately to react the blood circulation situation in limbs in treatment.
Below be only that the preferred embodiment of the present invention is described, technical scheme of the present invention is not limited to this, the any known distortion that those skilled in the art do on the basis of major technique design of the present invention all belongs to the claimed technology category of the present invention, technological invention point of the present invention is by adopting blood circulation state that infrared sensor detects limbs in limbs sleeve in real time to the limbs massage of reasonably exerting pressure as mentioned above, although above-described embodiment is infrared sensor by this sensor definition, but those skilled in the art can be replaced with existing other blood circulation sensing parts in this area, although the embodiment part example in addition in accompanying drawing the limbs sleeve of feet shape, but technical scheme of the present invention does not also lie in the shape of limbs sleeve itself, can adopt completely corresponding to each different parts of human body as the limbs sleeve-shaped of the shapes such as arm, further can for different patients' different situations, dynamically adjust the emptying pressure of blood according to the return data of sensor, earth pressure release time etc. parameter is so that it reaches optimum state, etc. these all belong to technology category of the present invention, the concrete protection domain of the present invention is as the criterion with the record of claims.
Claims (1)
1. one kind has the vein inflating pressure system at intermittence of full measuring ability again, comprise system host, vent line, limbs sleeve and detecting sensor, described system host is connected in limbs sleeve by vent line, described limbs sleeve provides the air pressure of some strength to change the blood circulation state of limbs to the limbs of patient in it according to the control of system host, it is characterized in that, described detecting sensor is installed on limbs sleeve, and for detecting in real time the blood circulation state of limbs in it, and detection signal is transferred to system host, described system host is adjusted the inflation/deflation operation to limbs sleeve automatically according to the feedback signal of detecting sensor, described blood circulation state comprises that the emptying and blood of blood recharges state, when system host is pressed predetermined pressure and is inflated to limbs sleeve by vent line, detecting sensor detects limbs in limbs sleeve in blood emptying state, when system host is during to limbs sleeve release pressure, the limbs that detecting sensor detects in limbs sleeve recharge state in blood, blood that described system host detects according to detecting sensor is emptying and recharge the inflation cycle interval that inflating pressure system at described intermittence is dynamically adjusted at interval, while only having the detection signal that limbs blood has recharged in described system host is receiving the sign limbs sleeve that detecting sensor feeds back, just control the charge operation that described limbs sleeve carries out a new round, described system host comprises inflator pump and control module, the feedback signal of described control module based on detecting sensor controlled the inflation cycle operation of inflator pump, and described control module also stores normal blood status reference value, and the blood circulation state information that detecting sensor can be fed back carries out comparing with this reference value after respective handling, if depart from the predetermined scope of this reference value, carry out alarm, described normal blood status reference value comprises the normal blood velocity of discharge, normal blood recharges speed and normal blood value of having recharged, the blood emptying state data that described control module detects based on sensor are calculated the blood velocity of discharge, the blood detecting based on sensor recharges status data and calculates blood and recharge speed and the blood value of having recharged, and value of calculation is compared with corresponding normal reference value, if depart from the predetermined range of error of corresponding reference value, carry out disease alarm, described limbs sleeve has double-deck wall structure, inner wall surface thereof is soft and be close to patient's limbs, between inside and outside wall, there is inflation interval, described detecting sensor is installed on the internal face of limbs sleeve, described detecting sensor is infrared ray sensor, include RF transmitter and infrared receiver, and the strength values based on the received reflected infrared ray of infrared receiver changes to react blood circulation state, described RF transmitter and infrared receiver work in a plurality of infrared bands simultaneously, and the incompatible definite final detected value of the Average Quasi based on each infrared band detection data.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017202736A1 (en) * | 2016-05-26 | 2017-11-30 | Huntleigh Technology Limited | Compression therapy system and method |
| CN106377402B (en) * | 2016-09-27 | 2019-04-16 | 深圳邦普医疗设备系统有限公司 | A kind of adaptive wearable curing thrombus equipment and its control method |
| CN107693322B (en) * | 2017-07-28 | 2019-11-19 | 广东泰宝医疗科技股份有限公司 | A kind of intermittent air pressure treatment system with blood backflow detection function |
| CN107929014A (en) * | 2017-12-05 | 2018-04-20 | 广东美的安川服务机器人有限公司 | Air wave pressure therapy system |
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