CN107271315A - A kind of dressing passes through the ability test method of vapor - Google Patents
A kind of dressing passes through the ability test method of vapor Download PDFInfo
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- CN107271315A CN107271315A CN201710438050.1A CN201710438050A CN107271315A CN 107271315 A CN107271315 A CN 107271315A CN 201710438050 A CN201710438050 A CN 201710438050A CN 107271315 A CN107271315 A CN 107271315A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/02—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content
- G01N5/025—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content for determining moisture content
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Abstract
A kind of dressing passes through the ability test method of vapor, dressing container is the ability wound model that dressing passes through vapor, dressing has transparent shell through the ability wound model of vapor, transparent shell is provided with lid, lid middle part opens up groove, sponge groove and through hole successively, and groove, sponge groove and through hole are communicated, and through hole is communicated with the liquid storage cylinder of transparent shell, opened up on the wall of lid side into pin hole, enter pin hole and communicated with sponge groove.The quality that dressing absorbs liquid can be tested out simultaneously through the design of the ability wound model of vapor by dressing, so that the liquid controlling medically to different dressing is correctly selected.
Description
Technical field
The present invention, which is related to, belongs to medical device product quality inspection field, is exactly the energy that a kind of dressing passes through vapor
Power test method.
Background technology
The inspection that the ability performance of vapor is passed through to dressing is an important composition portion for treating device product quality inspection
Point, but presently, there are problems with：It is different with relative humidity using the environment temperature residing for the patient of dressing, the surface of a wound portion of patient
Position is different, and the composition of wound fluid and its how much grades of amount are also different.The same surface of a wound of even same position patient, not
The composition and its amount of wound fluid of the same period are also different.Therefore, must if thinking the liquid controlling of the different dressing of comparative evaluation
It must set up a unified test platform, including it is identical test model, unified humiture environment, identical position, identical
Surface of a wound simulated solution, identical ooze out flow quantity etc..
The content of the invention
To solve the above problems, it is an object of the invention to provide a kind of ability test method that dressing passes through vapor.
The present invention to achieve the above object, is achieved through the following technical solutions：
A kind of dressing passes through the ability test method of vapor, comprises the following steps：
1. an experiment casing (1) is prepared, wind is installed on the top set in the front portion of experiment casing (1) in chamber door, experiment casing (1)
Fan (2), difference is installed in the left and right ends being fixedly mounted in experiment casing (1) on lower clapboard (6) and upper spacer (9), lower clapboard (6)
Heater (7) is installed, uniform installation electricity of arranging on Temperature Humidity Sensor (4), lower clapboard (6) is installed at the middle part of lower clapboard (6)
A dressing container, the bottom connection control board of lower clapboard (6), control electricity are placed with sub- scale (5), each electronic scale (5)
Road plate is electrically connected with fan (2), heater (7), Temperature Humidity Sensor (4) and electronic scale (5) respectively, fixed on upper spacer (9)
Install in pallet (10), pallet (10) and be placed with glycerine water solution, described experiment casing (1) is double-door type, described heating
Device (7) is incandescent lamp, described dressing container connection liquid dispensing apparatus (11), and liquid dispensing apparatus (11), which is used to input to dressing container, to be created
Face simulated solution；
2. chamber door is opened, dressing is put in dressing container, chamber door is closed, fan (2) and heater (7) are opened, by chamber
Body（1）Interior temperature control is at 36.5 ~ 37.5 DEG C, and relative humidity control is 39% ~ 41%, and being used for of Temperature Humidity Sensor (4) is examined
Test tryoff body（1）Interior humiture, and the data are passed into fan (2) and heater (7) by control board, pass through
Fan（2）Forced convertion adjusts humidity, passes through heater（7）Regulation experiment casing（1）Interior temperature；
3. liquid dispensing apparatus is passed through（11）Continue fluid injection into dressing container, to each dressing container infusion liquid within the fluid injection time
Quality be m1, the increased quality of dressing container is m on each electronic scale (5)2, evaporation capacity m can be calculated3, evaporation capacity m3's
Calculation formula is m3=m1-m2。
It is preferred that, dressing container is the ability wound model that dressing passes through vapor, and dressing can be made every effort to achieve through vapor
Surface model has transparent shell (18), and transparent shell (18) opens up groove (27), sponge groove successively provided with lid (20), lid (20) middle part
(26) and through hole (25), groove (27), sponge groove (26) and through hole (25) are communicated, the liquid storage cylinder of through hole (25) and transparent shell (18)
(8) communicate, opened up on lid (20) side wall into pin hole (23), enter pin hole (23) and communicated with sponge groove (26), sponge groove (26) is built-in
There is sponge (17), enter pin hole (23) built with injection needle (13), injection needle (13) is pierced into sponge groove (26), is installed on lid (20)
Annular slab (24), lid (20) is fixed by fixing screws (16) and annular slab (24)；
When passing through the ability wound model of vapor using dressing, first fixing screws (16) are turned on, lid (20) will be applied after opening
Material（19）It is positioned between lid (20) and annular slab (24), it is then fixed with fixing screws (16), pass through injection needle（13）Xiang Hai
Continuous groove（26）It is interior to continue fluid injection, dressing（19）Volatilize the liquid absorbed when absorbing the surface of a wound simulated solution in sponge groove on sponge
Body, works as dressing（19）Unnecessary liquid flows into liquid storage cylinder (8) the formation hydrops of transparent shell (18) by through hole (25) after saturation.
It is preferred that, liquid dispensing apparatus (11) is infusion pump or electronic pump, and liquid dispensing apparatus (11) passes through woven hose and injection needle
(13) connect.
It is preferred that, temperature controller (3) is provided with the outside of the experiment casing (1), temperature controller (3) is electrically connected with control board.
The advantage of the invention is that：
The present invention creates optimal detection environment, this hair by the experiment casing of constant temperature and humidity for the Liquid absorption test of dressing
Bright test method can realize the effective supervision and adjustment to dressing test environment by the warm and humid degrees of data on circuit board, lead to
Evaporation capacity can directly be calculated by crossing increase quality on the decrement in liquid dispensing apparatus and each electronic scale, and step is few, is easy to operation,
And the experiment can carry out parallel test simultaneously, test period is effectively saved, test error is reduced, measuring accuracy is improved；
Preferred embodiments of the present invention can test out dressing simultaneously through the design of the ability wound model of vapor by dressing and inhale
The quality of liquid is received, so that the liquid controlling medically to different dressing is correctly selected.It is also provided with simultaneously
Two kinds of external wound models of level body position and vertical position, are commented from two angles of water vapour permeability and retention time respectively
Controlling of the valency dressing in the case of high diffusate to wound fluid.
Brief description of the drawings
Fig. 1 is structural representation of the dressing of the present invention through the ability test system of vapor；Fig. 2 is experiment body structure
Schematic diagram；Fig. 3 is Fig. 2 top views；Fig. 4 is level body position model example；Fig. 5 is vertical postural test model example；Fig. 6 is figure
5 left views.
Reference：The lower clapboard 7 of 15 electronic scale of experiment casing 2 fan, 3 temperature controller, 4 Temperature Humidity Sensor 6 is heated
The fixing screws 17 of 12 hole of device 8 chamber, 9 upper spacer, 10 pallet, 11 liquid dispensing apparatus, 13 injection needle, 14 steam vent, 15 hydrops 16
The computer 23 of 21 bracket of water-absorbing sponge 18 transparent shell, 19 dressing, 20 annular holder 22 enters the annular slab of pin hole 24
The woven hose of 25 through hole, 26 sponge groove, 27 groove 28 enters hole.
Embodiment
Dressing of the present invention passes through the ability test system of vapor, as shown in figure 1, including experiment casing (1), bag
The anterior top set in chamber door, chamber body for including experiment casing (1) is provided with fan (2).It is fixed with experiment casing (1)
Lower clapboard (6) and upper spacer (9).Lower clapboard (6) is provided with heater (7), Temperature Humidity Sensor (4) and electronic scale (5).Electronics
Scale (5) is provided with dressing container, and the dressing container can be the container of common disk or bowl.The bottom of lower clapboard (6) is provided with
Control board, control board is electrically connected with fan (2), heater (7), Temperature Humidity Sensor (4) and electronic scale (5) respectively
Connect.Control board can receive the data message of Temperature Humidity Sensor (4) and electronic scale (5) and control each electric component work.
The control board can be made up of the existing chip and circuit board for possessing corresponding function.Upper spacer is fixed with support on (9)
Disk (10).For the humidity in Control experiment casing (1) casing.Glycerine water solution is placed with pallet (10), it is strong by fan (2)
Regulation relative humidity is realized in convection current processed.The Temperature Humidity Sensor (4) can be pt100 temperature sensors, only detection temperature.It is described
Syringe (13) can be 6% Rule cone joint.Temperature controller (3) can be the control panel with display.
Exemplified by operation on to an electronic scale, during detection, open chamber door and be positioned over the container for filling dressing (19)
On electronic scale (5), chamber door is closed；Adjust after the humiture in case, typical temperature is controlled at 37 degree, and relative humidity is 40%, and
Afterwards by electronic pump or infusion pump to lasting fluid injection in dressing (19), such as the fluid injection time is 1 hour reservoir quantity m1=0.5g, if
Electronic scale (5) second must fill the container weightening m of dressing (19) after fluid injection one hour2=0.3g, then evaporation capacity m3=m1-m2=0.2g。
Due to the placement location of dressing (19) can directly affect dressing (19) evaporation effect, therefore, be accurately measure it is deposited
Expect the evaporation capacity of (19), design following scheme：As shown in Figures 3 to 5, described dressing container is the energy that dressing passes through vapor
Make every effort to achieve surface model.Dressing has transparent shell (18) through the ability wound model of vapor, and transparent shell (18) is provided with lid (20).
Groove (27), sponge groove (26) and through hole (25), groove (27), sponge groove (26) and through hole (25) phase are opened up successively in the middle part of lid (20)
It is logical.Through hole (25) is communicated with the liquid storage cylinder (8) of transparent shell (18).Opened up on lid (20) side wall into pin hole (23), enter pin hole
(23) communicated with sponge groove (26).Sponge groove (26) enters pin hole (23) built with injection needle (13), injection built with sponge (17)
Pin (13) is pierced into sponge groove (26).Cover and annular slab (24) is installed on (20), lid (20) passes through fixing screws (16) and annular slab
(24) it is fixed.In use, dressing (19) is fixed between lid (20) and annular slab (24) as shown in Figure 1, can as needed by
Dressing (19) level is vertically positioned on electronic scale (5)., can mounting bracket 21 under transparent shell (18) during vertical placement.
The liquid dispensing apparatus (11) of surface of a wound simulated solution can be continued to pass through water to dressing by woven hose and injection needle (13) by certain speed
Dressing (19) infusion simulated solution on the ability wound model of steam.In ability wound model of the dressing through vapor, apply
Material can evaporate the liquid that a part has absorbed when absorbing simulated solution.After dressing saturation, unnecessary liquid understands flow model
Transparent shell (18) is interior and forms hydrops (15).Electronic scale (5) can weigh the examination of feed liquid body controlling according to certain sampling interval
Test the quality of model and be transferred in computer (22).
Surface of a wound simulated solution is by the solution composition of sodium chloride and calcium chloride, and the solution is containing 142 mmol/L sodium ions and 2.5
Mmol/L calcium ion.The ion concentration of the solution is equivalent to human serum or wound fluid.Deionization is used in volumetric flask
Water dissolves 8.298 g sodium chloride and 0.368 g calcium chloride dihydrates and is diluted to 1 L.
Dressing when level is put passes through the ability wound model of vapor as shown in figure 4, injection needle (13) and surface of a wound mould
Intend liquid dispensing apparatus (11) connection of liquid, simulated solution will persistently be conveyed to water-absorbing sponge (17) with certain speed.It is fixed on
The dressing of side can also evaporate the liquid that a part has absorbed while the liquid in suction sponge is absorbed.When dressing (19)
After saturation, the inner unnecessary liquid of water-absorbing sponge (17) can flow into transparent housing (18) and form hydrops (15).Vertically put
Dressing passes through the ability wound model of vapor as shown in Figure 5 and Figure 6, can enter when being put with special bracket (21) for pedestal
The experiment of the vertical position of row, it is same that test principle puts phase with level.
Described surface of a wound simulated solution liquid dispensing apparatus (11) is infusion pump or electronic pump, and infusion pump or electronic pump are to provide 0.5g/h
Flow, the degree of accuracy be positive and negative 3%.
In order to be easier the anti-ability wound model for putting dressing through vapor, described experiment casing (1) can be single
Open the door, be preferably double-door type as depicted in figs. 1 and 2 or clamshell doors.
The temperature in casing body is tested in regulation for convenience, while simplify overall structure, reduce cost, as shown in figure 1,
Described heater (7) is incandescent lamp.
Technical scheme is not restricted in the range of embodiment of the present invention.The not detailed description of the present invention
Technology contents be known technology.
Claims (4)
1. a kind of dressing passes through the ability test method of vapor, it is characterised in that：Comprise the following steps：
1. an experiment casing (1) is prepared, wind is installed on the top set in the front portion of experiment casing (1) in chamber door, experiment casing (1)
Fan (2), difference is installed in the left and right ends being fixedly mounted in experiment casing (1) on lower clapboard (6) and upper spacer (9), lower clapboard (6)
Heater (7) is installed, uniform installation electricity of arranging on Temperature Humidity Sensor (4), lower clapboard (6) is installed at the middle part of lower clapboard (6)
A dressing container, the bottom connection control board of lower clapboard (6), control electricity are placed with sub- scale (5), each electronic scale (5)
Road plate is electrically connected with fan (2), heater (7), Temperature Humidity Sensor (4) and electronic scale (5) respectively, fixed on upper spacer (9)
Install in pallet (10), pallet (10) and be placed with glycerine water solution, described experiment casing (1) is double-door type, described heating
Device (7) is incandescent lamp, described dressing container connection liquid dispensing apparatus (11), and liquid dispensing apparatus (11), which is used to input to dressing container, to be created
Face simulated solution；
2. chamber door is opened, dressing is put in dressing container, chamber door is closed, fan (2) and heater (7) are opened, by chamber
Body（1）Interior temperature control is at 36.5 ~ 37.5 DEG C, and relative humidity control is 39% ~ 41%, and being used for of Temperature Humidity Sensor (4) is examined
Test tryoff body（1）Interior humiture, and the data are passed into fan (2) and heater (7) by control board, pass through
Fan（2）Forced convertion adjusts humidity, passes through heater（7）Regulation experiment casing（1）Interior temperature；
3. liquid dispensing apparatus is passed through（11）Continue fluid injection into dressing container, to each dressing container infusion liquid within the fluid injection time
Quality be m1, the increased quality of dressing container is m on each electronic scale (5)2, evaporation capacity m can be calculated3, evaporation capacity m3's
Calculation formula is m3=m1-m2,So as to measure the ability that tested dressing passes through vapor.
2. a kind of dressing according to claims 1 passes through the ability test method of vapor, it is characterised in that：It is described to apply
Material container is the ability wound model that dressing passes through vapor, and dressing has transparent shell through the ability wound model of vapor
(18), transparent shell (18) is provided with lid (20), and lid (20) middle part opens up groove (27), sponge groove (26) and through hole (25), groove successively
(27), sponge groove (26) and through hole (25) are communicated, and through hole (25) is communicated with the liquid storage cylinder (8) of transparent shell (18), cover (20) side
Opened up on wall into pin hole (23), enter pin hole (23) and communicated with sponge groove (26), sponge groove (26) enters pin hole built with sponge (17)
(23) built with injection needle (13), injection needle (13) is pierced into sponge groove (26), and annular slab (24) is installed on lid (20), is covered (20)
It is fixed by fixing screws (16) and annular slab (24)；
When passing through the ability wound model of vapor using dressing, first fixing screws (16) are turned on, lid (20) will be applied after opening
Material（19）It is positioned between lid (20) and annular slab (24), it is then fixed with fixing screws (16), pass through injection needle（13）Xiang Hai
Continuous groove（26）It is interior to continue fluid injection, dressing（19）Volatilize the liquid absorbed when absorbing the surface of a wound simulated solution in sponge groove on sponge
Body, works as dressing（19）Unnecessary liquid flows into liquid storage cylinder (8) the formation hydrops of transparent shell (18) by through hole (25) after saturation.
3. a kind of dressing according to claims 2 passes through the ability test method of vapor, it is characterised in that：Give liquid dress
It is infusion pump or electronic pump to put (11), and liquid dispensing apparatus (11) is connected by woven hose with injection needle (13).
4. a kind of dressing according to claims 1 passes through the ability test method of vapor, it is characterised in that：The examination
Temperature controller (3) is provided with the outside of tryoff body (1), temperature controller (3) is electrically connected with control board.
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| CN201710438050.1A CN107271315B (en) | 2017-06-06 | 2017-06-06 | A kind of dressing penetrates the ability test method of vapor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710438050.1A CN107271315B (en) | 2017-06-06 | 2017-06-06 | A kind of dressing penetrates the ability test method of vapor |
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| CN107271315A true CN107271315A (en) | 2017-10-20 |
| CN107271315B CN107271315B (en) | 2019-05-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592986A (en) * | 2018-05-10 | 2018-09-28 | 山东省医疗器械产品质量检验中心 | The unimpeded verifying attachment of micropore needle tubing and dressing anthemorrhagic performance in-vitro evaluation system and method |
| CN108896426A (en) * | 2018-05-10 | 2018-11-27 | 山东省医疗器械产品质量检验中心 | Dressing anthemorrhagic performance in-vitro evaluation system and method |
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| CN108896426A (en) * | 2018-05-10 | 2018-11-27 | 山东省医疗器械产品质量检验中心 | Dressing anthemorrhagic performance in-vitro evaluation system and method |
| CN108896426B (en) * | 2018-05-10 | 2020-10-13 | 山东省医疗器械产品质量检验中心 | System and method for evaluating hemostatic performance of dressing in vitro |
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| Publication number | Publication date |
|---|---|
| CN107271315B (en) | 2019-05-28 |
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