CN108051352A - A kind of bandage device for checking air permeability and method - Google Patents
A kind of bandage device for checking air permeability and method Download PDFInfo
- Publication number
- CN108051352A CN108051352A CN201711294221.4A CN201711294221A CN108051352A CN 108051352 A CN108051352 A CN 108051352A CN 201711294221 A CN201711294221 A CN 201711294221A CN 108051352 A CN108051352 A CN 108051352A
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- CN
- China
- Prior art keywords
- bandage
- casing
- piece
- fixing device
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
Abstract
The invention discloses a kind of bandage device for checking air permeability, including multiple casings and bandage fixing device, baroceptor and flowmeter are provided in casing, the side wall of casing is provided with the inside and outside adjustable relief valve of connection；Two adjacent casings are fixedly connected by bandage fixing device, multiple casings are sequentially connected in series, its application method includes selecting appropriate number of bandage fixing device and casing as needed, according to measure needs, it is classified as normal measure group, hygrometry group and attachment measure group, above-mentioned multiple bandage fixing devices and casing are sequentially connected as tubular structure, the gas permeability of bandage piece is drawn by pressure differential, the difference in flow on front side of bandage piece to be measured and in the casing of rear side.The present invention passes through the detection of the gas permeability of the bandage of the humidity for controlling bandage piece and attachment simulation under different service conditions by fixing multiple bandage pieces to be measured by bandage fixing device between the casing being arranged in series.
Description
Technical field
The present invention relates to medical instruments field more particularly to a kind of bandage device for checking air permeability and methods.
Background technology
Bandage is the gauze belt in place or affected part of binding up a wound, and is common medical supplies, and there are many variety classeses and a variety of
Wrapping method according to injured position, it is necessary to select suitable species and wrapping method.Allusion quotation of the bandage as medical textile
Type product can prevent wound from injuring again, and the temperature and humidity of wound is carried out properly adjusting reduction well hair diseases and nature is prevented to be cured
Infection phenomenons during conjunction, well are comfortable on the wounded.The research of wound physiologist shows that wounds keep centainly wet
Degree is conducive to the diffusion of Skin Cell, accelerates the healing of wound.In wound healing process, wet environment can prevent hypersystole and tie
Scar, a large amount of body fluid that wound initially oozes out easily make bacterial reproduction and cause to infect, therefore effectively absorb a little body fluid, in wound
It is very necessary to keep a gnotobasis.Make wound follow-up, it is necessary to ensure certain gas permeability at wound healing simultaneously
Certain drying is kept, so preferably the effect of bandage there should be the following：First, the feelings of humidity environment are kept in wound
To accelerate the healing of wound under condition.2nd, the position of bandaging can remove the liquid and noxious material of wound exudation, Ke Yibao
The wound of card patient affected part totally cleans.3rd, bandage must have certain gas permeability.4th, bandage is in bonding body fluid or attachment
Object successor so possesses certain gas permeability.Bandage at this stage needs to be detected its gas permeability when appearing on the scene, general to detect
Equipment is merely able to carry out single detection, it is impossible to while realize and different bandages is detected.It is complicated for operation, it is necessary to repeatedly replace
Bandage to be measured is to realize the detection of different humidity and different attachment.
The content of the invention
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of bandage device for checking air permeability and method.
The present invention is achieved through the following technical solutions above-mentioned purpose：
A kind of bandage device for checking air permeability, including,
Multiple casings are provided with baroceptor and flowmeter in described sleeve pipe, and the side wall of described sleeve pipe is provided with connection
Inside and outside adjustable relief valve；
Bandage fixing device, adjacent two described sleeve pipes are fixedly connected by the bandage fixing device, multiple described
Casing is sequentially connected in series.
Specifically, the bandage fixing device includes the retainer ring of two coaxial arrangements, and the bandage is arranged on two admittedly
Between determining ring, the outer of the retainer ring is provided with through hole, and two retainer rings apply the pre- of the lower bandage of clamping by bolt
Stress.
Specifically, the cross section of the retainer ring is hierarchic structure, and the small diameter portion of the retainer ring is inside, the fixation
Ring it is big through portion be outside, the bandage is by the small diameter portion of the retainer ring against the through hole is arranged on the retainer ring
It is big through in portion, rubber seal ring is provided between two retainer rings.
Specifically, the both ends of the surface of described sleeve pipe are provided with ring screw slot, be fixedly installed on the outside of the retainer ring with
The ring screw rib of the ring screw slot adaptation passes through the annular spiral shell between described sleeve pipe 1 and the bandage fixing device
Groove and the ring screw rib are screwed connection.
A kind of bandage gas permeability detection method, comprises the following steps,
S1, appropriate number of bandage fixing device and casing are selected as needed, and determine the number of bandage piece and filter
Amount；
S2, bandage piece to be detected and filter are cut to the disk for being more than retainer ring path as diameter, and passed through
Two retainer rings are gripped, and will be sealed by rubber seal ring and bolt between two retainer rings；
S3, the bandage fixing device of immobilizing bandage piece is selected, and according to measure needs, be classified as normal measure group,
Hygrometry group and attachment measure group；
S4, the quantity for determining normal measure group keep the cleanliness factor of bandage piece；
S5, the quantity for determining hygrometry group are selected various dampening liquids, including water, body fluid, blood, are titrated to
Bandage on piece, and different humidity is set as desired；
S6, the quantity for determining attachment measure group are selected various attachments, including dust, medical adhesive, are attached it to taut
Band on piece, and different concentration is set as desired；
S7, above-mentioned multiple bandage fixing devices and casing are sequentially connected as tubular structure, while ensure two
Filter is both provided between a adjacent bandage piece to be measured, and the outlet side of the inlet end of the tubular structure and air pump is connected
It is logical；
S8, gas is passed through to tubular structure, and reads the reading of baroceptor and flowmeter；
S9, the air pressure in each casing of pressure release valve regulation is passed through according to demand；
S10, the ventilative of bandage piece is drawn by pressure differential, the difference in flow on front side of bandage piece to be measured and in the casing of rear side
Property.
The beneficial effects of the present invention are：
A kind of bandage device for checking air permeability of the present invention and method between the casing being arranged in series by bandage by being consolidated
Determine device and fix multiple bandage pieces to be measured, and pass through the humidity for controlling bandage piece and attachment simulation under different service conditions
Bandage gas permeability detection.
Description of the drawings
Fig. 1 is a kind of structure diagram of bandage device for checking air permeability of the present invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As shown in Figure 1, a kind of 6 device for checking air permeability of bandage of the present invention, including multiple casings 1 and bandage fixing device,
Baroceptor 8 and flowmeter 10 are provided in casing 1, the side wall of casing 1 is provided with the inside and outside adjustable relief valve 9 of connection,
Two adjacent casings 1 are fixedly connected by bandage fixing device, and multiple casings 1 are sequentially connected in series.
Bandage fixing device includes the retainer ring 2 of two coaxial arrangements, and bandage 6 is arranged between two retainer rings 2, fixed
The outer of ring 2 is provided with through hole 4, and two retainer rings 2 apply the prestressing force of the lower bandage 6 of clamping, the horizontal stroke of retainer ring 2 by bolt 5
Section is hierarchic structure, and the small diameter portion of retainer ring 2 is inside, and the big of retainer ring 2 through portion is outside, and bandage 6 passes through retainer ring 2
Small diameter portion be arranged on the big through in portion, rubber seal ring is provided between two retainer rings 2 of retainer ring 2 against, through hole 4, cover
The both ends of the surface of pipe 1 are provided with ring screw slot 7, and the outside of retainer ring 2 is fixedly installed the annular spiral shell being adapted to ring screw slot 7
Line rib 3 is screwed connection between casing 1 and bandage fixing device by ring screw slot 7 and ring screw rib 3.
Following methods realization may be employed based on above device to be measured the bandage gas permeability under different use environments,
Including：Appropriate number of bandage fixing device and casing are selected as needed, and determine the quantity of bandage piece and filter；It will treat
The bandage piece and filter of detection cut the disk for being more than retainer ring path as diameter, and pass through two retainer rings and pressed from both sides
Fixation is held, will be sealed by rubber seal ring and bolt between two retainer rings；The bandage fixing device of immobilizing bandage piece is selected
Go out, and according to needs are measured, be classified as normal measure group, hygrometry group and attachment measure group；Determine normal measure group
Quantity, keep bandage piece cleanliness factor；Determine the quantity of hygrometry group, select various dampening liquids, including water, body fluid,
The various liquid that may be contacted such as blood, are titrated to bandage on piece, and set different humidity as desired；Determine attachment
The quantity of object measure group selectes various attachments, the substance on bandage surface is likely to be exposed including dust, medical adhesive etc., by it
Bandage on piece is attached to, and sets different concentration as desired；By above-mentioned multiple bandage fixing devices and casing by its according to
It is secondary to be connected to become tubular structure, while ensure to be both provided with filter between two adjacent bandage pieces to be measured, and by the tubulose
The inlet end of structure is connected with the outlet side of air pump；Gas is passed through to tubular structure, and reads baroceptor and flowmeter
Reading；Pass through the air pressure in each casing of pressure release valve regulation according to demand；By on front side of bandage piece to be measured and in the casing of rear side
Pressure differential, difference in flow draw the gas permeability of bandage piece.
Technical scheme is not limited to the limitation of above-mentioned specific embodiment, and every technique according to the invention scheme is done
The technology deformation gone out, each falls within protection scope of the present invention.
Claims (5)
1. a kind of bandage device for checking air permeability, it is characterised in that：Including,
Multiple casings are provided with baroceptor and flowmeter in described sleeve pipe, and the side wall of described sleeve pipe is provided with inside and outside connection
Adjustable relief valve；
Bandage fixing device, adjacent two described sleeve pipes are fixedly connected by the bandage fixing device, multiple described sleeve pipes
It is sequentially connected in series.
2. a kind of bandage device for checking air permeability according to claim 1, it is characterised in that：The bandage fixing device bag
The retainer rings of two coaxial arrangements are included, the bandage is arranged between two retainer rings, and the outer of the retainer ring is provided with logical
Hole, two retainer rings apply the prestressing force of the lower bandage of clamping by bolt.
3. a kind of bandage device for checking air permeability according to claim 2, it is characterised in that：The cross section of the retainer ring
For hierarchic structure, the small diameter portion of the retainer ring is inside, and the big of the retainer ring through portion is outside, and the bandage passes through described
The small diameter portion of retainer ring is against the through hole is arranged on the big through in portion, being set between two retainer rings of the retainer ring
There is rubber seal ring.
4. a kind of bandage device for checking air permeability according to claim 2, it is characterised in that：The both ends of the surface of described sleeve pipe are set
Ring screw slot is equipped with, the ring screw rib being adapted to the ring screw slot, institute are fixedly installed on the outside of the retainer ring
It states and is screwed connection by the ring screw slot and the ring screw rib between casing 1 and the bandage fixing device.
5. a kind of bandage gas permeability detection method, it is characterised in that：Comprise the following steps,
S1, appropriate number of bandage fixing device and casing are selected as needed, and determine the quantity of bandage piece and filter；
S2, bandage piece to be detected and filter are cut to the disk for being more than retainer ring path as diameter, and passes through two
Retainer ring is gripped, and will be sealed by rubber seal ring and bolt between two retainer rings；
S3, the bandage fixing device of immobilizing bandage piece is selected, and according to needs are measured, is classified as normal measure group, humidity
Measure group and attachment measure group；
S4, the quantity for determining normal measure group keep the cleanliness factor of bandage piece；
S5, the quantity for determining hygrometry group select various dampening liquids, including water, body fluid, blood, are titrated to bandage
On piece, and different humidity is set as desired；
S6, the quantity for determining attachment measure group select various attachments, including dust, medical adhesive, attach it to bandage piece
On, and different concentration is set as desired；
S7, above-mentioned multiple bandage fixing devices and casing are sequentially connected as tubular structure, while ensure two phases
Filter is both provided between adjacent bandage piece to be measured, and the inlet end of the tubular structure is connected with the outlet side of air pump；
S8, gas is passed through to tubular structure, and reads the reading of baroceptor and flowmeter；
S9, the air pressure in each casing of pressure release valve regulation is passed through according to demand；
S10, the gas permeability that bandage piece is drawn by pressure differential, the difference in flow on front side of bandage piece to be measured and in the casing of rear side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711294221.4A CN108051352A (en) | 2017-12-08 | 2017-12-08 | A kind of bandage device for checking air permeability and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711294221.4A CN108051352A (en) | 2017-12-08 | 2017-12-08 | A kind of bandage device for checking air permeability and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108051352A true CN108051352A (en) | 2018-05-18 |
Family
ID=62123017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711294221.4A Pending CN108051352A (en) | 2017-12-08 | 2017-12-08 | A kind of bandage device for checking air permeability and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760605A (en) * | 2018-07-16 | 2018-11-06 | 常州轻工职业技术学院 | Fabric waterproof and device for checking air permeability, method and circuit |
| CN109374493A (en) * | 2018-10-09 | 2019-02-22 | 南京哈昵特户外用品有限公司 | Device for checking air permeability is used in a kind of production of marine glue |
| CN113607599A (en) * | 2021-10-10 | 2021-11-05 | 南通新彤进出口有限公司 | Textile air permeability detector |
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| CN201014975Y (en) * | 2007-01-29 | 2008-01-30 | 深圳市邦凯电子有限公司 | Lithium battery septum permeability testing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760605A (en) * | 2018-07-16 | 2018-11-06 | 常州轻工职业技术学院 | Fabric waterproof and device for checking air permeability, method and circuit |
| CN109374493A (en) * | 2018-10-09 | 2019-02-22 | 南京哈昵特户外用品有限公司 | Device for checking air permeability is used in a kind of production of marine glue |
| CN109374493B (en) * | 2018-10-09 | 2021-06-25 | 南京精浩创纺织科技有限公司 | Gas permeability detection device is used in waterproof glue production |
| CN113607599A (en) * | 2021-10-10 | 2021-11-05 | 南通新彤进出口有限公司 | Textile air permeability detector |
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Application publication date: 20180518 |