CN104815386A - Negative pressure drainage system capable of monitoring pressure of wound surface in real time - Google Patents
Negative pressure drainage system capable of monitoring pressure of wound surface in real time Download PDFInfo
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- CN104815386A CN104815386A CN201510203087.7A CN201510203087A CN104815386A CN 104815386 A CN104815386 A CN 104815386A CN 201510203087 A CN201510203087 A CN 201510203087A CN 104815386 A CN104815386 A CN 104815386A
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Abstract
The invention discloses a negative drainage system capable of monitoring a pressure of a wound surface in real time, so as to effectively protect the wound surface, prevent an excessive pressure in the position of the wound, and accelerate the union of the wound surface. The negative pressure drainage system comprises a medical dressing, a waste liquid bottle, a vacuum pump, an A liquid conduit, and an A air conduit. The medical dressing sticks to the wound surface of a patient. The A liquid conduit is communicated with the medical dressing and the waste liquid bottle. The A air conduit is communicated with the waste liquid bottle and the vacuum pump. The negative pressure drainage system further comprises a pressure sensor and a B air conduit. One end of the B air conduit is connected with the medical dressing, and the other end thereof is communicated with the pressure sensor, so as to monitor a negative pressure in the position of the wound surface of the patient in real time.
Description
Technical field
The present invention relates to a kind of drainage system, specifically, relating to one can available protecting wound surface, avoids the pressure of wound position excessive, accelerates the drainage system can monitoring wound surface pressure size in real time of wound healing.
Background technology
In recent years, along with socioeconomic fast development, social senilization's process are accelerated, the acute and chronic wound surface of skin such as the wound surface after diabetic foot ulcer, degree of depth pressure ulcer, wound etc. of various healing property of difficulty also more increases, and all kinds of surgical site infections also often can occur that liquid oozes out the more wound needing drain simultaneously.The phenomenon that hematocele, pus, tissue fluid or secretions accumulate is there is in focus or wound, if these liquid are disposed not in time, the healing of wound will be affected, the wound that even can make that situation is serious worsens, effective solution utilizes negative pressure drainage technology the guiding of these liquid to be discharged, namely in operation process, negative-pressure drainage tube is extend into wound position, utilize negative-pressure drainage tube hydrops drain to be extracted out.
Generally, the tissue of wound position or organ are all more fragile, if negative pressure is excessive, damage can be caused to the tissue of wound position or organ, if pressure is too small, best drainage effect cannot be reached again, the way of current control vacuum magnitude is all by regulating the output of negative pressure pump to go to realize, due to the actual suction pressure size of wound position and the length of conduit, the aperture of conduction hole, quantity and the hydrops concentration of conduction hole are all relevant, therefore there is certain error in the output of negative pressure pump and the actual suction pressure size of wound surface position, cause the actual suction pressure size that accurately cannot control wound surface position, therefore in existing negative pressure drainage technology, the negative pressure state of wound surface position is not reflected truly.On the other hand, Wound treating healing is in different phase, and required negative pressure value may be different, may need the process heightened Wound-surface negative pressure or turn down.Existing negative pressure drainage product, mainly by adjustment is that the negative pressure value size of negative pressure source position processes, under the state that air-tightness is good, after negative pressure source position negative pressure value is turned down, the negative pressure value of wound surface position does not really decline, and therefore fails really to realize the negative pressure state that real-time online regulates wound surface position.If adjust negative pressure value by the method for opening pressure release direct in negative pressure source position, then there is air-flow and returned by former negative pressure line of taking out, there is the risk of retrograde infection.
Summary of the invention
For above deficiency, the invention provides one can available protecting wound surface, avoid the pressure of wound position excessive, accelerate the drainage system can monitoring wound surface pressure size in real time of wound healing, it comprises medical dressing, waste liquid bottle, vacuum pump, A mozzle and A airway, described medical dressing is attached at the wound surface position of patient, described A mozzle is communicated with between medical dressing and waste liquid bottle, described A airway is communicated with between described waste liquid bottle and vacuum pump, also comprise pressure transducer and B airway, one end of described B airway is connected to medical dressing, its other end is communicated to described pressure transducer, with the vacuum magnitude of the wound surface position of Real-Time Monitoring patient.
In order to realize the present invention further, the outer wall of described waste liquid bottle is provided with the A liquid level sensor of the liquid level for the waste liquid in Real-Time Monitoring waste liquid bottle.
In order to realize the present invention further, the outer wall of described waste liquid bottle is provided with the turbidity transducer of the turbidity for the waste liquid in Real-Time Monitoring waste liquid bottle.
In order to realize the present invention further, also comprise D airway, E control valve and filter tip, described E control valve is arranged on described D airway, and one end of D airway is connected to described medical dressing, and the other end of described D airway connects filter tip.
In order to realize the present invention further, also comprise C airway and biofilter, described C airway is connected between medical dressing and biofilter, and D airway is connected between biofilter and filter tip.
In order to realize the present invention further, also comprising infusion bottle and being connected to the C mozzle between described infusion bottle and medical dressing.
In order to realize the present invention further, the outer wall of described infusion bottle is also provided with the B liquid level sensor for the liquid level in monitoring transfusion bottle.
In order to realize the present invention further, also comprise B mozzle, peristaltic pump, C mozzle and infusion bottle, described B mozzle is connected between peristaltic pump and medical dressing, and described C mozzle is connected between peristaltic pump and infusion bottle.
In order to realize the present invention further, described A mozzle is also provided with A control valve.
In order to realize the present invention further, also comprise B mozzle, peristaltic pump, C mozzle, infusion bottle, E mozzle, A control valve, B control valve and F control valve, described B mozzle is connected between peristaltic pump and medical dressing, described C mozzle is connected between peristaltic pump and infusion bottle, described E mozzle is connected between C mozzle and A mozzle, A control valve is arranged on A mozzle, and the position of the junction point of E mozzle and A mozzle between A control valve and medical dressing, B control valve is arranged on C mozzle, and the position of the junction point of E mozzle and C mozzle between B control valve and peristaltic pump, F control valve is arranged on E mozzle.
Beneficial effect of the present invention:
1, drainage system of the present invention is provided with pressure monitor system, by the actual pressure size of pressure transducer Real-Time Monitoring wound surface position, and the actual pressure size of monitoring is sent to main frame, so that main frame effectively controls the vacuum magnitude of wound surface position, the pressure of wound surface position not only can be avoided excessive and the tissue of injured patient, according to different treatment healing phases, can also reasonably select the vacuum magnitude of wound surface position, accelerate the recovery of patient; The present invention effectively can also monitor drainage system and whether occur blocking or gas leakage, when the data of pressure sensor monitoring cannot reach appointment negative pressure value for a long time, when suspending main frame, if negative pressure value cannot stablize maintenance, then and system gas leakage; If negative pressure value still keeps but less than appointment negative pressure value, then system jams, needs carry out replacing negative tube or carry out flushing operation.
2, drainage system of the present invention is by the on-off control of control valve, can in continuous negative pressure pattern, intermittent negative pressure pattern, at full speed rinse mode, controlled rinse mode, freely switch between single infusion mode and circulation pattern, facilitate the rehabilitation stage residing for patient or treat the suitable mode of operation of choosing period of time, versatility is stronger, the rehabilitation of convenient patient.
3, when drainage system of the present invention is in continuous negative pressure pattern, the target pressure value of the good wound surface position of host setting can be utilized, utilize the actual pressure size of pressure transducer Real-Time Monitoring wound surface position, when there is difference between actual pressure size and target pressure value, main frame is utilized to change the output of vacuum pump, to adjust the actual pressure size of wound surface position, thus ensure that actual pressure size is consistent with target pressure value.
4, drainage system of the present invention is in intermittent negative pressure pattern, by utilizing the alternate of air pressure, forms the negative pressure of interval in wound surface position, to carry out regular physical stimulation to the cambium of wound surface position, thus plays the effect that physics urgees more.
5, drainage system of the present invention is in rinse mode at full speed, the infusion channel formed by infusion bottle, C mozzle and D mozzle can realize carrying out cleaning and sterilizing process to wound surface position, like this, while vacuum suction waste liquid, can also clean wound surface position, help wound surface position to recover faster, avoid the wrapping needing to take wounds position apart, utilize other instrument to clean wound surface position, greatly reduce the misery of patient.
6, drainage system of the present invention is in controlled rinse mode, the transfusion speed of infusion bottle effectively can be controlled by peristaltic pump, cleaning operation (the different Restoration stage of appropriateness is carried out with the recovery according to wound surface position, need the speed difference of cleaning), more save cost, cut the waste.
7, drainage system of the present invention is in single infusion mode, the infusion channel formed by infusion bottle, C mozzle and B mozzle can realize carrying out cleaning and sterilizing process to wound surface position, the output of host computer control peristaltic pump can also be utilized, thus effectively control the transfusion speed (cleaning speed of wound surface position) of infusion bottle.
8, drainage system of the present invention is in circulation pattern, the nutritional solution (medicinal liquid) utilizing peristaltic pump to realize wound surface position circulates, thus carry out continuing to stimulate to wound surface position, the hydrodynamic shear continued is produced in wound surface position, to accelerate the absorption of wound surface position nutrient substance (medicine), to accelerate the healing of wound surface position.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that the present invention is in continuous negative pressure pattern.
Fig. 2 is the schematic diagram that the present invention is in intermittent negative pressure pattern;
Fig. 3 is the schematic diagram that the present invention is in rinse mode at full speed;
Fig. 4 is the schematic diagram that the present invention is in controlled rinse mode;
Fig. 5 is the schematic diagram that the present invention is in single infusion mode;
Fig. 6 is the schematic diagram that the present invention is in circulation pattern.
Detailed description of the invention
Be further elaborated the present invention below in conjunction with accompanying drawing, wherein, direction of the present invention take Fig. 1 as standard.
As shown in Figures 1 to 6, the drainage system can monitoring wound surface pressure size in real time of the present invention comprises medical dressing 1, drainage system 2, purging system 3, pressure monitor system 4 and pressure balancing system 5, and medical dressing 1 is for being attached at the wound surface position of patient; Drainage system 2 is guided away for the hematocele of the wound surface position by patient and hydrops; Purging system 3 is for the cleaning that carries out disinfection to the wound surface position of patient; Pressure monitor system 4 is for the actual pressure of the wound surface position of Real-Time Monitoring patient; Pressure balancing system 5, for balancing the pressure size of the wound surface position of patient, avoids the pressure of wound surface position excessive.
Medical dressing 1 can adopt mandruka dressing, also can be that mandruka dressing and isolating pad form and combine dressing, isolating pad dressing generally adopts kpetrolatum gauze, also hydrophilic, water absorbent gel film can be adopted by the loose porous isolating pad made of punching, this isolating pad has good biocompatibility, surface hydrophilic, soft, smooth, nanoporous, can be used as pharmaceutical carrier.
Drainage system 2 comprises A mozzle 21, A control valve 22, waste liquid bottle 23, A airway 24, vacuum pump 25, A liquid level sensor 26 and turbidity transducer 27, one end of A mozzle 21 extend into wound surface position through medical dressing 1, the other end of A mozzle 21 is connected to waste liquid bottle 23, to enter in waste liquid bottle 23 by the guiding of the waste liquid of wound surface position; A control valve 22 is arranged on A mozzle 21, enters in waste liquid bottle 23 to control waste liquid; Waste liquid bottle 23, for collecting the waste liquid in wound surface position, is cleared up to facilitate timing; A airway 24 is communicated with between waste liquid bottle 23 and vacuum pump 25; Vacuum pump 25 for forming negative pressure in waste liquid bottle 23, thus utilizes vacuum suction, to be drawn in waste liquid bottle 23 by the waste liquid of wound surface position; A liquid level sensor 26 is arranged on the outer wall of waste liquid bottle 23, with the collecting amount of the waste liquid in Real-Time Monitoring waste liquid bottle 23, when the waste liquid in waste liquid bottle 23 is about to fill up time, A liquid level sensor 26 is triggered, A liquid level sensor 26 sends the control signal of " waste liquid bottle is full " to main frame, notify that medical personnel change waste liquid bottle 23, or the waste liquid in waste liquid bottle 23 is outwelled; Turbidity transducer 27 is arranged on the outer wall of waste liquid bottle 23, with the turbidity of the waste liquid in Real-Time Monitoring waste liquid bottle 23, the numerical value of the turbidity of Real-Time Monitoring is sent to main frame by turbidity transducer 27, and the numerical value of the turbidity of the waste liquid of being monitored by turbidity transducer 27 can judge the recovery situation of wound surface position.When turbidity transducer 27 monitor numerical value lower (waste liquid is more clear), illustrate the hematocele of wound surface position and hydrops less, wound surface location restore is all right; When the numerical value lower (waste liquid is more muddy) that turbidity transducer 27 is monitored, the hematocele of wound surface position and hydrops or more are then described, wound surface location restore is in bad order, thus avoid the instrument monitoring wound surface location restore degree by other, design hommization more, it is also more accurate to judge.
Purging system 3 comprises B mozzle 31, peristaltic pump 32, C mozzle 33, infusion bottle 34, B control valve 35, B liquid level sensor 36, D mozzle 37 and C control valve 38, wherein, one end of B mozzle 31 extend into wound surface position through medical dressing 1, and the other end of B mozzle 31 is communicated to the outfan of peristaltic pump 32; Peristaltic pump 32 is communicated with between B mozzle 31 and C mozzle 33, is controlled the speed of transfusion by peristaltic pump 32; One end of C mozzle 33 is communicated to the input of peristaltic pump 32, and the other end of C mozzle 33 is communicated to infusion bottle 34; Infusion bottle 34 is for storing cleanout fluid or disinfectant solution; B control valve 35 is arranged on C mozzle 33, for control C mozzle 33 transfusion state and transfusion speed; B liquid level sensor 36 is arranged on the outer wall of infusion bottle 34, with the surplus of the cleanout fluid in Real-Time Monitoring infusion bottle 34 or disinfectant solution, when the cleanout fluid in infusion bottle 34 or disinfectant solution are about to be totally lost time, B liquid level sensor 36 is triggered, B liquid level sensor 36 sends the control signal of " infusion bottle is totally lost " to main frame, notify that medical personnel change infusion bottle 34, or again in infusion bottle 34, fill cleanout fluid or disinfectant solution; The two ends of D mozzle 37 are communicated with B mozzle 31 and C mozzle 33 respectively, when peristaltic pump 32 is idle, realize automatic infusion; C control valve 38 is arranged on D mozzle 37, to realize transfusion state and the transfusion speed of D mozzle 37.
One end that pressure monitor system 4 comprises B airway 41, pressure transducer 42 and D control valve 43, B airway 41 is positioned at the one side towards wound surface position of medical dressing 1, and its other end is communicated to pressure transducer 42; Pressure transducer 42 is for the actual pressure size of Real-Time Monitoring wound surface position, and the actual pressure size of monitoring is sent to main frame, so that main frame effectively controls the vacuum magnitude of wound surface position, avoid the pressure of wound surface position excessive and the tissue of injured patient, thus also can effectively monitor drainage system 2 whether occur blocking (native system steady operation is when a certain state, when there is larger fluctuation in the data that pressure transducer 42 is monitored, then illustrate that blocking appears in drainage system 2, needs cleaning); D control valve 43 is arranged on B airway 41, with the duty of controlled pressure sensor 42.
One end that pressure balancing system 5 comprises C airway 51, biofilter 52, D airway 53, filter tip 54 and E control valve 55, C airway 51 is positioned at the one side towards wound surface position of medical dressing 1, and its other end is communicated to biofilter 52; Biofilter 52, for filtering the air entering wound surface position, avoids the tissue bacterial infections of wound surface position; One end of D airway 53 is communicated to biofilter 52, and its other end is communicated to filter tip 54; Filter tip 54, for filtering larger particles in the air entering wound surface position, avoids the tissue of wound surface position to pollute; E control valve 55 is arranged on D airway 53, for the duty of control D airway 53 (pressure balancing system 5).
When wound surface location restore is in good condition time, can carry out continuing to stimulate to wound surface, thus realize producing to wound surface the hydrodynamic shear continued, short to reach physics, accelerate the object of operation healing, the present invention can also increase a kind of circulation pattern, namely between C mozzle 33 and A mozzle 21, an E mozzle 61 is increased, E mozzle 61 arranges a F control valve 62, one end corresponding between peristaltic pump 32 and B control valve 35 at C mozzle 33 of E mozzle 61, its other end corresponding between medical dressing 1 and A control valve 22 at A mozzle 21.
Wherein, peristaltic pump of the present invention, vacuum pump and all control valves carry out Systematical control by main frame, all pressure transducers, liquid level sensor and turbidity transducer and main frame are electrically connected, the signal of monitoring is sent to main frame by all pressure transducers, liquid level sensor and turbidity transducer, judges for main frame.
As shown in Figure 1, of the present inventionly be in continuous negative pressure pattern, wherein, A control valve 22 and D control valve 43 are in open mode, B control valve 35, C control valve 38, E control valve 55 and F control valve 62 are all in closed condition, vacuum pump 25 and pressure transducer 42 in running order, peristaltic pump 32 is in off working state.The present invention utilizes the target pressure value of the good wound surface position of host setting, utilize the actual pressure size of pressure transducer 42 Real-Time Monitoring wound surface position, when there is difference between actual pressure size and target pressure value, main frame is utilized to change the output of vacuum pump 25, to adjust the actual pressure size of wound surface position, thus ensure that actual pressure size is consistent with target pressure value.Like this, while negative pressure effluent discharge, the actual pressure size of wound surface position can also be controlled more accurately, avoid the pressure of wound surface position excessive and the tissue of injured patient, also effectively can monitor drainage system 2 whether to occur blocking (native system steady operation is when a certain state simultaneously, when larger fluctuation occurs the data that pressure transducer 42 is monitored, then illustrate that blocking appears in drainage system 2, needs cleaning).
As shown in Figure 2, of the present inventionly be in intermittent negative pressure pattern, wherein, A control valve 22 and D control valve 43 are in open mode, B control valve 35, C control valve 38 and F control valve 62 are all in closed condition, and E control valve 55 is in be opened and closes alternating state, utilize the change of E control valve 55 duty thus form negative pressure state and pressure release state, vacuum pump 25 and pressure transducer 42 in running order, peristaltic pump 32 is in off working state.In original state, E control valve 55 is in closed condition, by target pressure value and the time interval value of the good wound surface position of host setting, utilize the actual pressure size of pressure transducer 42 Real-Time Monitoring wound surface position, when there is difference between actual pressure size and target pressure value, main frame is utilized to change the output of vacuum pump 25, to adjust the actual pressure size of wound surface position, thus ensure that actual pressure size is consistent with target pressure value, be now in negative pressure state; When the persistent period of negative pressure state reaches time interval value, E control valve 55 changes duty (becoming open mode), now utilizes filter tip 54 to shed the pressure of wound surface position, now becomes pressure release state; When the persistent period of pressure release state reaches time interval value, E control valve 55 changes again duty (becoming closed condition), now becomes negative pressure state again, so goes round and begins again, to reach the object of intermittent negative pressure.Like this, by utilizing the alternate of air pressure, forming the negative pressure of interval in wound surface position, to carry out regular physical stimulation to the cambium of wound surface position, thus playing the effect that physics urgees more.
As shown in Figure 3, of the present inventionly be at full speed rinse mode, wherein, A control valve 22, B control valve 35, C control valve 38 and D control valve 43 are in open mode, E control valve 55 and F control valve 62 are all in closed condition, vacuum pump 25 and pressure transducer 42 in running order, peristaltic pump 32 is in off working state.The present invention can realize carrying out cleaning and sterilizing process to wound surface position by the infusion channel that infusion bottle 34, C mozzle 33 and D mozzle 37 are formed, in addition, utilize the target pressure value of the good wound surface position of host setting, utilize the actual pressure size of pressure transducer 42 Real-Time Monitoring wound surface position, when there is difference between actual pressure size and target pressure value, main frame is utilized to change the output of vacuum pump 25, to adjust the actual pressure size of wound surface position, thus ensure that actual pressure size is consistent with target pressure value.Like this, while vacuum suction waste liquid, can also clean wound surface position, wound surface position is helped to reply faster, avoid the wrapping needing to take wounds position apart, utilize other instrument to clean wound surface position, greatly reduce the misery of patient.
As shown in Figure 4, of the present inventionly be in controlled rinse mode, wherein, A control valve 22, B control valve 35 and D control valve 43 are in open mode, C control valve 38, E control valve 55 and F control valve 62 are all in closed condition, and vacuum pump 25, peristaltic pump 32 and pressure transducer 42 are in running order.The present invention utilizes the output of host computer control peristaltic pump 32, thus effectively control the transfusion speed (cleaning speed of wound surface position) of infusion bottle 34, in addition, utilize the target pressure value of the good wound surface position of host setting, utilize the actual pressure size of pressure transducer 42 Real-Time Monitoring wound surface position, when there is difference between actual pressure size and target pressure value, main frame is utilized to change the output of vacuum pump 25, to adjust the actual pressure size of wound surface position, thus ensure that actual pressure size is consistent with target pressure value.Like this, while vacuum suction waste liquid, can also clean wound surface position, wound surface position is helped to reply faster, avoid the wrapping needing to take wounds position apart, other instrument is utilized to clean wound surface position, greatly reduce the misery of patient, in addition, effectively can be controlled the transfusion speed of infusion bottle 34 by peristaltic pump 32, carry out the cleaning operation (different Restoration stage needs the speed difference of cleaning) of appropriateness with the recovery according to wound surface position, more save cost, cut the waste.
As shown in Figure 5, of the present inventionly be in single infusion mode, wherein, B control valve 35 is in open mode, A control valve 22, C control valve 38, D control valve 43, E control valve 55 and F control valve 62 are all in closed condition, peristaltic pump 32 is in running order, and vacuum pump 25 and pressure transducer 42 are in off working state.Like this, the present invention can realize carrying out cleaning and sterilizing process to wound surface position by the infusion channel that infusion bottle 34, C mozzle 33 and B mozzle 31 are formed, the output of host computer control peristaltic pump 32 can also be utilized, thus effectively control the transfusion speed (cleaning speed of wound surface position) of infusion bottle 34.
As shown in Figure 6, of the present inventionly be in circulation pattern, wherein, F control valve 62 is in open mode, A control valve 22, B control valve 35, C control valve 38, D control valve 43 and E control valve 55 are all in closed condition, and peristaltic pump 32, vacuum pump 25 and pressure transducer 42 are in off working state.Like this, utilize peristaltic pump 32 to realize the waste liquid circulation flowing of wound surface position, thus carry out continuing to stimulate to wound surface position, produce the hydrodynamic shear continued in wound surface position, to accelerate the absorption of wound surface position nutrient substance (medicine), to accelerate the healing of wound surface.
The foregoing is only better embodiment of the present invention, the present invention is not limited to above-mentioned embodiment, the structural modification that local is small may be there is in implementation process, if do not depart from the spirit and scope of the present invention to various change of the present invention or modification, and belonging within claim of the present invention and equivalent technologies scope, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. can monitor the drainage system of wound surface pressure size in real time for one kind, it comprises medical dressing, waste liquid bottle, vacuum pump, A mozzle and A airway, described medical dressing is attached at the wound surface position of patient, described A mozzle is communicated with between medical dressing and waste liquid bottle, described A airway is communicated with between described waste liquid bottle and vacuum pump, it is characterized in that, also comprise pressure transducer and B airway, one end of described B airway is connected to medical dressing, its other end is communicated to described pressure transducer, with the vacuum magnitude of the wound surface position of Real-Time Monitoring patient.
2. the drainage system can monitoring wound surface pressure size in real time according to claim 1, is characterized in that, the outer wall of described waste liquid bottle is provided with the A liquid level sensor of the liquid level for the waste liquid in Real-Time Monitoring waste liquid bottle.
3. the drainage system can monitoring wound surface pressure size in real time according to claim 1, is characterized in that, the outer wall of described waste liquid bottle is provided with the turbidity transducer of the turbidity for the waste liquid in Real-Time Monitoring waste liquid bottle.
4. the drainage system can monitoring wound surface pressure size in real time according to claim 1, it is characterized in that, also comprise D airway, E control valve and filter tip, described E control valve is arranged on described D airway, one end of D airway is connected to described medical dressing, and the other end of described D airway connects filter tip.
5. the drainage system can monitoring wound surface pressure size in real time according to claim 1, it is characterized in that, also comprise C airway and biofilter, described C airway is connected between medical dressing and biofilter, and D airway is connected between biofilter and filter tip.
6. the drainage system can monitoring wound surface pressure size in real time according to claim 1, is characterized in that, also comprises infusion bottle and is connected to the C mozzle between described infusion bottle and medical dressing.
7. the drainage system can monitoring wound surface pressure size in real time according to claim 6, is characterized in that, the outer wall of described infusion bottle is also provided with the B liquid level sensor for the liquid level in monitoring transfusion bottle.
8. the drainage system can monitoring wound surface pressure size in real time according to claim 1, it is characterized in that, also comprise B mozzle, peristaltic pump, C mozzle and infusion bottle, described B mozzle is connected between peristaltic pump and medical dressing, and described C mozzle is connected between peristaltic pump and infusion bottle.
9. the drainage system can monitoring wound surface pressure size in real time according to claim 8, is characterized in that, described A mozzle is also provided with A control valve.
10. the drainage system can monitoring wound surface pressure size in real time according to claim 1, it is characterized in that, also comprise B mozzle, peristaltic pump, C mozzle, infusion bottle, E mozzle, A control valve, B control valve and F control valve, described B mozzle is connected between peristaltic pump and medical dressing, described C mozzle is connected between peristaltic pump and infusion bottle, described E mozzle is connected between C mozzle and A mozzle, A control valve is arranged on A mozzle, and the position of the junction point of E mozzle and A mozzle between A control valve and medical dressing, B control valve is arranged on C mozzle, and the position of the junction point of E mozzle and C mozzle between B control valve and peristaltic pump, F control valve is arranged on E mozzle.
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| CN106474577A (en) * | 2016-11-30 | 2017-03-08 | 杭州依技设备成套工程有限公司 | Lower negative pressure suction controller |
| CN106581788A (en) * | 2016-12-05 | 2017-04-26 | 广东美捷威通生物科技有限公司 | Wound micro-vacuum precious regulation system |
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| CN203060409U (en) * | 2013-01-25 | 2013-07-17 | 卢虎 | Multifunctional and full-automatic bladder treatment instrument |
| CN204655770U (en) * | 2015-04-23 | 2015-09-23 | 广州新诚生物科技有限公司 | The Novel negative-pressure drainage system of wound surface pressure size can be monitored in real time |
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Address after: Seventh Guangdong City, Guangzhou, Guangzhou International Biological Island spiral No. three road, layer 701, unit 6, 510320 Applicant after: GUANGZHOU XINCHENG BIOTECHNOLOGY CO., LTD. Address before: 510000 Guangdong, Xingang, No. 135 West Guangzhou Road, science and technology building, block A, floor, building 12 Applicant before: GUANGZHOU XINCHENG BIOTECHNOLOGY CO., LTD. |
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Application publication date: 20150805 |