CN105194758A - Intravenous infusion anti-leakage device and method used for operating room nursing - Google Patents
Intravenous infusion anti-leakage device and method used for operating room nursing Download PDFInfo
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- CN105194758A CN105194758A CN201510534011.2A CN201510534011A CN105194758A CN 105194758 A CN105194758 A CN 105194758A CN 201510534011 A CN201510534011 A CN 201510534011A CN 105194758 A CN105194758 A CN 105194758A
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- 230000000474 nursing effect Effects 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000001802 infusion Methods 0.000 title claims abstract description 15
- 238000001990 intravenous administration Methods 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 34
- 230000002452 interceptive effect Effects 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000012780 transparent material Substances 0.000 claims abstract description 6
- 239000000853 adhesive Substances 0.000 claims abstract description 4
- 238000005070 sampling Methods 0.000 claims description 18
- 238000010205 computational analysis Methods 0.000 claims description 3
- 238000004886 process control Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 abstract 4
- 239000002344 surface layer Substances 0.000 abstract 2
- 101100190621 Arabidopsis thaliana PLC4 gene Proteins 0.000 description 13
- 230000007423 decrease Effects 0.000 description 8
- 239000012530 fluid Substances 0.000 description 8
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 208000014674 injury Diseases 0.000 description 4
- 238000007920 subcutaneous administration Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 238000002512 chemotherapy Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 206010033675 panniculitis Diseases 0.000 description 1
- 210000004304 subcutaneous tissue Anatomy 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H20/00—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance
- G16H20/10—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to drugs or medications, e.g. for ensuring correct administration to patients
- G16H20/17—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to drugs or medications, e.g. for ensuring correct administration to patients delivered via infusion or injection
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
- G16H40/20—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the management or administration of healthcare resources or facilities, e.g. managing hospital staff or surgery rooms
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
- G16H40/60—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices
- G16H40/63—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
- A61M2005/1586—Holding accessories for holding infusion needles on the body
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
- G16H40/60—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices
- G16H40/67—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for remote operation
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Abstract
The invention provides an intravenous infusion anti-leakage device used for operating room nursing. The device comprises a rectangular dressing (1), pressure and temperature sensors (2), a liquid control valve (3), a PLC (programmable logic controller) (4), an interactive display terminal (5) and a control switch, wherein the dressing (1) comprises a surface layer (11) and a bottom layer (12); the surface layer (11) is made from breathable transparent materials; the bottom layer (12) is made from breathable self-adhesive materials; a hole is reserved in the middle of the bottom layer (12) and serves as an observation window (7); a plurality of pressure and temperature sensors (2) connected with the PLC (4) are arranged around the hole in the bottom layer (12); the liquid control valve (3) is arranged at a liquid outlet of an intravenous infusion device (6); the PLC (4) is connected with the liquid control valve (3) and controls the liquid control valve to open and close; the interactive display terminal (5) is connected with the PLC (4); the control switch controls the device to open and close. An intravenous infusion anti-leakage method used for operating room nursing is used for judging whether liquid leakage happens by using the device. By adopting the device and the method, whether leakage happens to intravenous infusion can be accurately judged and the infusion device can be timely closed, thus reducing harms caused to patients.
Description
Technical field
The present invention relates to medical instruments field, particularly a kind of nursing in operating room venous transfusion leakage-resistant device and method.
Background technology
Venous transfusion is the important way of disease therapy.Because the reasons such as medical personnel's misoperation or patient activity fluid seepage may occur.In venous transfusion, fluid seepage not only affects nursing quality, even can cause malpractice.Especially chemotherapy medicine, once there is seepage, can cause necrosis of subcutaneous tissue.For the problems referred to above, notification number is disclose a kind of venous transfusion in the utility model of CN201058150Y to expose alarm, inside alarm case panel, flexible oil sac is set, micropressure sensor and pressure alarm circuit are arranged between oil sac and alarm case panel, when leakage of infusing occurs, sensor is experienced pressure and to be set out warning system, indicator and buzzer warning.But said apparatus realizes reporting to the police owing to relying on pressure change, there is following problem: work as patient, especially during child's hand activities, oil sac can be caused to be out of shape thus to change pressure and cause false alarm; Venous transfusion leak location occurs in cause outside oil sac and fails to report, and affects patient outcomes and even causes malpractice.This kind of leakage-resistant device only judges leakage situation according to single measuring point pressure, and accuracy is lower.
Summary of the invention
Technical problem to be solved by this invention is that existing venous transfusion leakage-resistant device accuracy is lower.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of nursing in operating room venous transfusion leakage-resistant device, comprises dressing, pressure-temperature sensor, liquid control valve, PLC(Programmable Logic Controller), Interactive Display Terminal and gauge tap.Dressing is rectangle, and dressing comprises top layer and bottom.Top layer is ventilative transparent material, and bottom is air-permeable self-adhesive material.The middle part of bottom is reserved porose, and as observation window, because skin-material is transparent material, the observation window that therefore can arrange from outside through top layer and bottom pierces through position situation to observe vein.The surrounding in the hole of bottom is provided with multiple measuring point, and each measuring point correspondence position arranges depression, and shape and the pressure-temperature sensor of depression match.The inside of each depression arranges a pressure-temperature sensor.Connecting circuit is arranged between top layer and bottom, is connected with each pressure-temperature sensor; Each pressure-temperature sensor is connected with PLC respectively.Liquid control valve is arranged on the liquid outlet of intravenous infusion device, for controlling the outflow of liquid in intravenous infusion device.PLC is connected with liquid control valve, can control it and open and close.Interactive Display Terminal is connected with PLC, arranges the predetermined value of pressure difference value and temperature gap by Interactive Display Terminal, and this predetermined value is transferred to PLC is used for computational analysis.Interactive Display Terminal can give a warning and notify medical personnel.Gauge tap is for controlling the opening and closing of whole device.
Pressure-temperature sensor at bottom around described observation window array distribution or be arranged as multiple concentric circular.
Pressure-temperature sensor is fixed in the depression of bottom by binding material.
The finish dimensional that the depression of bottom is set to cave in is slightly less than the bottom size of depression, so that pressure-temperature sensor can connect and fix in the valley.When pressure-temperature sensor breaks down, conveniently change in time.
The bight of dressing is set to fillet or chamfering, to prevent from tilting.
Foregoing nursing in operating room venous transfusion leakage-resistant device, can be connected on same PLC and realizes multiple process control by multiple stage device.
A method for nursing in operating room venous transfusion antiseep, uses foregoing device.The method comprises the following steps:
Step one: after venipuncture procedure completes, by dressing paste on venipuncture position, can clear view site of puncture through the observation window in dressing.
Step 2: extruding dressing, extrudes the gas at dressing and contact skin position.
Step 3: the gauge tap opening nursing in operating room venous transfusion leakage-resistant device, uses the pressure-temperature sensor bottom dressing, multiple measuring point arranged to gather pressure and temperature data, and the pressure and temperature data collected is transferred to PLC.The pressure and temperature data gathered first are recorded as T by PLC
0time data.
Step 4: interval at regular intervals
Δt, carries out the collection of a pressure data and temperature data, and above-mentioned pressure data and temperature data is transferred to PLC to each measuring point; At T
iin the moment, the pressure sampled and temperature data are analyzed in PLC, by T
ithe data field T that moment gathers
0the data in moment compare, and judge whether leakage.
Step 5: according to judged result, if leakage, PLC closing liquid control valve, is prevented seepage from continuing to occur, is given a warning simultaneously notify that medical personnel have leakage to occur by Interactive Display Terminal; If no leakage, repeat step 4, until venous transfusion terminates.
Judge whether that the concrete mode of leakage is as follows in the step 4 of the method for aforementioned nursing in operating room venous transfusion antiseep:
T
imoment and T
0moment is compared, and the measure-point amount that pressure difference value and temperature gap are all greater than predetermined value is N, whether judge N>=and 1, if N is not>=1, then this moment does not have leakage.Continue to keep adopting interval
Δt, image data, is transferred to PLC and analyzes.
If N >=1, then above-mentioned N number of measuring point is labeled as doubtful leakage measuring point.The interval of sampling is foreshortened to Δ t/2, continues sampling.By T
i+1the pressure and temperature data of each measuring point in moment are transferred to PLC.
Analyze in PLC, by T
i+1the data in moment respectively with Ti moment and T
0the data in moment are compared.
T
i+1moment and T
iwhen time data is compared, in doubtful seepage measuring point, pressure raises and temperature reduces or constant measure-point amount is M, whether judges M>=1; If M>=1, then this time be carved with leakage occur; Otherwise sampling time interval is reverted to original intervals
Δt, continues image data, is transferred to PLC and analyzes.
T
i+1moment and T
0when the data in moment are compared, at T
i+1in the moment, in all measuring points, pressure difference value and temperature gap are all greater than the measure-point amount of predetermined value is P, judges P whether > N; If P > N, then this time be carved with leakage occur; Otherwise sampling time interval is reverted to original intervals
Δt, continues image data, is transferred to PLC and analyzes.
The method of aforementioned nursing in operating room venous transfusion antiseep, the interval of wherein sampling
Δt is 5 ~ 10 seconds.
The principle of above-mentioned judgment mode is: during venous transfusion generation fluid seepage, and the pressure of seepage place can be caused to increase; Meanwhile, due under room temperature, the temperature of the liquid of venous transfusion is lower than human body temperature, and it will inevitably cause subcutaneous temperature of oozing out position to decline.
After tentatively judging there is the measuring point of doubtful seepage, when secondary judges, use Dynamic comparison, because may be the pressure increase of some doubtful breakthrough when seepage continues generation, also the number of the doubtful breakthrough of possibility increases.If be only that when secondary judges, this place's pressure can recover because the local pressure that patient activity causes increases.Therefore, the mode that secondary judges, improves the accuracy that fluid seepage judges.
According to nursing in operating room venous transfusion leakage-resistant device of the present invention, use multiple pressure-temperature sensor, characterize the situation of site of puncture from pressure and temperature two indices; Carry out repeatedly analysis integrated judgement owing to employing PLC, improve the accuracy of judgement, decrease the generation of erroneous judgement; PLC transmits computational speed soon simultaneously, and can send instruction control liquid control valve, can close infusion set in time, avoid causing further injury to patient when unmanned.And PLC connects multiple stage nursing in operating room venous transfusion leakage-resistant device, scale management can be realized.
According to the method for nursing in operating room venous transfusion antiseep of the present invention, it judges whether that the mode that liquid oozes out is more effective.When liquid oozes out, it not only can increase at the subcutaneous pressure oozing out position, and the temperature at this position also can be caused to decline.Therefore, the mode in conjunction with pressure and temperature integrated judgement is rationally effective.In addition, the judgment mode of multi-measuring point, decreases the random error that single-point judges.And after tentatively judging leak fluid, reduce sampling time interval and can reduce the further injury that patient is caused.
Accompanying drawing explanation
Accompanying drawing 1 is nursing in operating room venous transfusion leakage-resistant device schematic diagram of the present invention.
Accompanying drawing 2 is dressing top view.
Accompanying drawing 3 is dressing upward view.
Accompanying drawing 4 is the upward view of dressing in another embodiment.
Accompanying drawing 5 is for dressing shown in Fig. 3 is along the profile of A-A line.
Accompanying drawing 6 is the flow chart judging whether leakage in the method for nursing in operating room venous transfusion antiseep in the present invention.
In figure:
1---dressing, 2---pressure-temperature sensor, 3---liquid control valve, 4---PLC, 5---Interactive Display Terminal, 6---intravenous infusion device, 7---observation window, 8---binding material, 11---top layer, 12---bottom.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As Figure 1-5, a kind of nursing in operating room venous transfusion leakage-resistant device, comprises dressing 1, pressure-temperature sensor 2, liquid control valve 3, PLC(Programmable Logic Controller) 4, Interactive Display Terminal 5 and gauge tap (not shown).Dressing 1 is rectangle, and dressing 1 comprises top layer 11 and bottom 12.Top layer 11 is ventilative transparent material, and bottom 12 is air-permeable self-adhesive material.The middle part of bottom 12 is reserved porose, and as observation window 7, because skin-material is transparent material, the observation window 7 that therefore can arrange from outside through top layer 11 and bottom 12 is observed vein and pierced through position situation.The surrounding in the hole of bottom 12 is provided with multiple measuring point, and each measuring point correspondence position arranges depression, and shape and the pressure-temperature sensor 2 of depression match.The inside of each depression arranges a pressure-temperature sensor 2.Connecting circuit (not shown) is arranged between top layer 11 and bottom 12, is connected with each pressure-temperature sensor 2; Each pressure-temperature sensor 2 is connected with PLC4 respectively.Liquid control valve 3 is arranged on the liquid outlet of intravenous infusion device 6, for controlling the outflow of liquid in intravenous infusion device 6.PLC4 is connected with liquid control valve 3, can control it and open and close.Interactive Display Terminal 5 is connected with PLC4, arranges the predetermined value of pressure difference value and temperature gap by Interactive Display Terminal 5, and this predetermined value is transferred to PLC4 is used for computational analysis.Interactive Display Terminal 5 can give a warning and notify medical personnel.Gauge tap is for controlling the opening and closing of whole device.
As shown in Figure 3 and Figure 4, pressure-temperature sensor 2 at bottom 12 around observation window 7 array distribution or be arranged as multiple concentric circular.
As shown in Figure 5, pressure-temperature sensor 2 is fixed in the depression of bottom 12 by binding material 8.
The finish dimensional that the depression of bottom 12 is set to cave in is slightly less than the bottom size of depression, so that pressure-temperature sensor 2 can connect and fix in the valley.When pressure-temperature sensor 2 breaks down, conveniently change in time.
The bight of dressing 1 is set to fillet or chamfering, to prevent from tilting.
Foregoing nursing in operating room venous transfusion leakage-resistant device, can be connected on same PLC4 and realizes multiple process control by multiple stage device.
A method for nursing in operating room venous transfusion antiseep, uses foregoing device.The method comprises the following steps:
Step one: after venipuncture procedure completes, is attached to dressing 1 on venipuncture position, can clear view site of puncture through the observation window 7 in dressing 1.
Step 2: extruding dressing 1, extrudes the gas of dressing 1 with contact skin position.
Step 3: the gauge tap opening nursing in operating room venous transfusion leakage-resistant device, uses the pressure-temperature sensor 2 bottom dressing 1, multiple measuring point arranged to gather pressure and temperature data, and the pressure and temperature data collected is transferred to PLC4.The pressure and temperature data gathered first are recorded as T by PLC4
0time data.
Step 4: interval at regular intervals
Δt, carries out the collection of a pressure data and temperature data, and above-mentioned pressure data and temperature data is transferred to PLC4 to each measuring point; At T
iin the moment, the pressure sampled and temperature data are analyzed in PLC4, by T
ithe data field T that moment gathers
0the data in moment compare, and judge whether leakage.
Step 5: according to judged result, if leakage, PLC4 closing liquid control valve 3, is prevented seepage from continuing to occur, is given a warning simultaneously notify that medical personnel have leakage to occur by Interactive Display Terminal 5; If no leakage, repeat step 4, until venous transfusion terminates.
Judge whether that the concrete mode of leakage is as follows in the step 4 of the method for aforementioned nursing in operating room venous transfusion antiseep:
T
imoment and T
0moment is compared, and the measure-point amount that pressure difference value and temperature gap are all greater than predetermined value is N, whether judge N>=and 1, if not, then this moment does not have leakage.Continue to keep sampling time interval
Δt, image data, is transferred to PLC4 and analyzes.
If N >=1, then above-mentioned N number of measuring point is labeled as doubtful leakage measuring point.The interval of sampling is foreshortened to Δ t/2, continues sampling.By T
i+1the pressure and temperature data of each measuring point in moment are transferred to PLC4.
Analyze in PLC, by T
i+1the data in moment respectively with Ti moment and T
0the data in moment are compared.
T
i+1moment and T
iwhen time data is compared, in doubtful seepage measuring point, pressure raises and temperature reduces or constant measure-point amount is M, whether judges M>=1; If M>=1, then this time be carved with leakage occur; Otherwise sampling time interval is reverted to original intervals
Δt, continues image data, is transferred to PLC4 and analyzes.
T
i+1moment and T
0when the data in moment are compared, at T
i+1in the moment, in all measuring points, pressure difference value and temperature gap are all greater than the measure-point amount of predetermined value is P, judges P whether > N; If P > N, then this time be carved with leakage occur; Otherwise sampling time interval is reverted to original intervals
Δt, continues image data, is transferred to PLC and analyzes.
The method of aforementioned nursing in operating room venous transfusion antiseep, the interval of wherein sampling
Δt is 5 ~ 10 seconds.
The principle of above-mentioned judgment mode is: during venous transfusion generation fluid seepage, and the pressure of seepage place can be caused to increase; Meanwhile, due under room temperature, the temperature of the liquid of venous transfusion is lower than human body temperature, and it will inevitably cause subcutaneous temperature of oozing out position to decline.
After tentatively judging there is the measuring point of doubtful seepage, when secondary judges, use Dynamic comparison, because may be the pressure increase of some doubtful breakthrough when seepage continues generation, also the number of the doubtful breakthrough of possibility increases.If be only that when secondary judges, this place's pressure can recover because the local pressure that patient activity causes increases.Therefore, the mode that secondary judges, improves the accuracy that fluid seepage judges.
According to nursing in operating room venous transfusion leakage-resistant device of the present invention, use multiple pressure-temperature sensor, characterize the situation of site of puncture from pressure and temperature two indices; Carry out repeatedly analysis integrated judgement owing to employing PLC, improve the accuracy of judgement, decrease the generation of erroneous judgement; PLC transmits computational speed soon simultaneously, and can send instruction control liquid control valve, can close infusion set in time, avoid causing further injury to patient when unmanned.And PLC connects multiple stage nursing in operating room venous transfusion leakage-resistant device, scale management can be realized.
According to the method for nursing in operating room venous transfusion antiseep of the present invention, it judges whether that the mode that liquid oozes out is more effective.When liquid oozes out, it not only can increase at the subcutaneous pressure oozing out position, and the temperature at this position also can be caused to decline.Therefore, the mode in conjunction with pressure and temperature integrated judgement is rationally effective.In addition, the judgment mode of multi-measuring point, decreases the random error that single-point judges.And after tentatively judging leak fluid, reduce sampling time interval and can reduce the further injury that patient is caused.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., be all included within protection scope of the present invention.
Claims (9)
1. a nursing in operating room venous transfusion leakage-resistant device, comprises dressing (1), pressure-temperature sensor (2), liquid control valve (3), PLC(4), Interactive Display Terminal (5) and gauge tap, it is characterized in that:
Described dressing (1) is rectangle, and described dressing (1) comprises top layer (11) and bottom (12);
Described top layer (11) is ventilative transparent material;
Described bottom (12) is air-permeable self-adhesive material; The middle part of described bottom (12) is reserved porose, as observation window (7);
The surrounding in the hole of described bottom (12) is provided with multiple measuring point, and each measuring point correspondence position arranges depression, and shape and the described pressure-temperature sensor (2) of described depression match; The inside of each depression arranges a described pressure-temperature sensor (2);
Connecting circuit is arranged between described top layer (11) and described bottom (12), is connected with each pressure-temperature sensor (2);
Each pressure-temperature sensor (2) respectively with PLC(4) be connected;
Described liquid control valve (3) is arranged on the liquid outlet of intravenous infusion device (6), for controlling the outflow of liquid in intravenous infusion device (6);
Described PLC(4) be connected with described liquid control valve (3), for controlling the opening and closing of described liquid control valve (3);
Described Interactive Display Terminal (5) and described PLC(4) be connected, the predetermined value of pressure difference value and temperature gap is set by described Interactive Display Terminal (5), and this predetermined value is transferred to described PLC(4) for computational analysis; Described Interactive Display Terminal (5) can give a warning and notify medical personnel;
Described gauge tap is for controlling the opening and closing of described nursing in operating room venous transfusion leakage-resistant device.
2. nursing in operating room venous transfusion leakage-resistant device according to claim 1, is characterized in that:
Described pressure-temperature sensor (2) at bottom (12) around observation window (7) array distribution or be arranged as multiple concentric circular.
3. nursing in operating room venous transfusion leakage-resistant device according to claim 1 and 2, is characterized in that:
Described pressure-temperature sensor (2) is fixed in the depression of described bottom (12) by binding material (8).
4. nursing in operating room venous transfusion leakage-resistant device according to claim 1 and 2, is characterized in that:
The finish dimensional that the depression of described bottom (12) is set to cave in is slightly less than the bottom size of depression, so that described pressure-temperature sensor (2) can connect and fix in the valley.
5. nursing in operating room venous transfusion leakage-resistant device according to claim 1 and 2, is characterized in that:
The bight of described dressing (1) is set to fillet or chamfering.
6. nursing in operating room venous transfusion leakage-resistant device according to claim 1 and 2, is characterized in that:
Nursing in operating room described in multiple stage venous transfusion leakage-resistant device, is connected to same PLC(4) on, realize multiple process control.
7. a nursing in operating room method for venous transfusion antiseep, uses the nursing in operating room venous transfusion leakage-resistant device as described in claim arbitrary in claim 1-6, it is characterized in that:
The method comprises the following steps:
Step one: after venipuncture procedure completes, is attached on venipuncture position by described dressing (1), observes site of puncture through the observation window (7) in described dressing (1);
Step 2: extrude described dressing (1), extrudes the gas of described dressing (1) with contact skin position;
Step 3: the gauge tap opening above-mentioned nursing in operating room venous transfusion leakage-resistant device, use the pressure-temperature sensor (2) that the multiple measuring point in dressing (1) bottom is arranged to gather pressure and temperature data, and the pressure and temperature data collected are transferred to PLC(4); PLC(4) the pressure and temperature data gathered first are recorded as T
0time data;
Step 4: interval at regular intervals
Δt, carries out the collection of a pressure data and temperature data, and above-mentioned pressure data and temperature data is transferred to PLC(4 to each measuring point); At T
iin the moment, the pressure sampled and temperature data are at PLC(4) in analyze, by T
ithe data field T that moment gathers
0the data in moment compare, and judge whether leakage;
Step 5: according to judged result, if leakage, PLC(4) closing liquid control valve (3), prevent seepage from continuing to occur, given a warning by Interactive Display Terminal (5) notifies that medical personnel have leakage to occur simultaneously; If no leakage, repeat step 4, until venous transfusion terminates.
8. the method for nursing in operating room venous transfusion antiseep according to claim 7, is characterized in that:
In described step 4, judge whether that the concrete mode of leakage is as follows:
T
imoment and T
0moment is compared, and the measure-point amount that pressure difference value and temperature gap are all greater than predetermined value is N, whether judge N>=and 1;
If N is not>=1, then this moment does not have leakage; Continue to keep adopting interval
Δt, image data, is transferred to PLC(4) analyze;
If N >=1, then above-mentioned N number of measuring point is labeled as doubtful leakage measuring point;
The interval of sampling is foreshortened to Δ t/2, continues sampling;
By T
i+1the pressure and temperature data of each measuring point in moment are transferred to PLC(4);
At PLC(4) in analyze, by T
i+1the data in moment respectively with Ti moment and T
0the data in moment are compared;
T
i+1moment and T
iwhen time data is compared, in doubtful seepage measuring point, pressure raises and temperature reduces or constant measure-point amount is M, whether judges M>=1; If M>=1, then this time be carved with leakage occur; Otherwise sampling time interval is reverted to original intervals
Δt, continues image data, is transferred to PLC(4) analyze;
T
i+1moment and T
0when the data in moment are compared, at T
i+1in the moment, in all measuring points, pressure difference value and temperature gap are all greater than the measure-point amount of predetermined value is P, judges P whether > N; If P > N, then this time be carved with leakage occur; Otherwise sampling time interval is reverted to original intervals
Δt, continues image data, is transferred to PLC and analyzes.
9. the method for venous transfusion antiseep of the nursing in operating room according to claim 7 or 8, is characterized in that: the interval of sampling
Δt is 5 ~ 10 seconds.
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| CN107158515A (en) * | 2017-04-25 | 2017-09-15 | 杨文平 | A kind of nursing in operating room venous transfusion leakage-resistant device and its application method |
| CN109069741A (en) * | 2016-04-12 | 2018-12-21 | 拓自达电线株式会社 | Apparatus for testing weeping |
| CN110639083A (en) * | 2019-10-31 | 2020-01-03 | 滨州职业学院 | Venous transfusion anti-seepage device for operating room nursing |
| CN113017968A (en) * | 2021-03-04 | 2021-06-25 | 殷叶红 | Intelligent protective belt |
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