CN208780672U - A kind of gel release oxygen detection device - Google Patents

A kind of gel release oxygen detection device Download PDF

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Publication number
CN208780672U
CN208780672U CN201820976889.0U CN201820976889U CN208780672U CN 208780672 U CN208780672 U CN 208780672U CN 201820976889 U CN201820976889 U CN 201820976889U CN 208780672 U CN208780672 U CN 208780672U
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Prior art keywords
oxygen
open
entrance
top receptacle
gel
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CN201820976889.0U
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Inventor
张锦
刘群峰
张泽荣
顾珩
耿志杰
刘金彦
裴大婷
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Institute Of Health Medicine Guangdong Academy Of Sciences
Institute of Biological and Medical Engineering of Guangdong Academy of Sciences
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Guangdong Prov Medical Equipment & Instrument Research Inst
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Abstract

The utility model discloses a kind of gels to discharge oxygen detection device, including open-top receptacle and can cover and the film of the oral area of closed open-top receptacle, open-top receptacle is equipped at least two entrances being in communication with the outside, and open-top receptacle is equipped with the oxygen measurement device of at least one detectable oxygen concentration or partial pressure of oxygen.The utility model has the advantages that the utility model proposes gel release oxygen detection device the oxygen rate of release and partial pressure of oxygen of gel can be quantitatively evaluated, influence of the oxygen to test result in tainer air can be excluded by being passed through buffer solution and gas, the detectable oxygen concentration of first oxygen measurement device or partial pressure of oxygen situation of change can calculate the oxygen rate of release of oxygen release gel by data analysis.The utility model relates to medical instruments fields.

Description

A kind of gel release oxygen detection device
Technical field
The utility model relates to medical instruments field, in particular to a kind of gel discharges oxygen detection device.
Background technique
Oxygen therapy is more and more received and be applied in Wound healing and bone regeneration by clinic.With wound healing theory Development, oxygen have obtained more and more confirmations for the positive influence of wound healing.Oxygen has weight for the healing of wound It acts on.Studies have shown that oxygen can promote collage synthesis, fine cell Proliferation and new vascular generation in tissue regeneration processes, energy Enhance granulocyte phagocytic function and promote granulation formation and Wound Contraction etc..Oxygen in air is not since partial pressure of oxygen is high, and one The wound handled a bit often has covering, these all affect going deep into for oxygen, therefore air oxygen acts on less wound.
In recent years, enough research and clinical test show that topical oxygen therapy is the effective of raising wound healing Method, it is some to be ground with response type oxygen release function, low cost and the material of oxygen being convenient for carrying or system Study carefully exploitation, as CN104117057A " it is a kind of load enzyme the hydrogel composition with oxygen release function and its formation hydrogel " A kind of disclosed oxygen release gel.
All oxygen therapies, including partial oxygen supply or hemoglobin are reinforced, can be to wound proximal end oxygen Benefit in horizontal understanding.The partial pressure of oxygen of normal skin is usually 40mmHg, acute skin wound can drop to 30mmHg hereinafter, And the partial pressure of oxygen of chronic wounds is down to 5mmHg.The partial pressure of oxygen near wound, i.e. transcutaneous oxygen pressure measurement (TCOM) are measured, is mesh Before be considered measure wound oxygen content best Substitute Indexes.This measurement greatly depends on Multiple factors, including regional flow Perfusion, thermotonus, the percutaneous diffusion of oxygen etc..
In oxygen therapy, oxygen rate of release and the partial pressure of oxygen for controlling oxygen releasing device are also very crucial.If release Oxygen is too fast, can generate free radicals damaging cells.If oxygen release is excessively slow, enough energy cannot be provided to maintain cell to deposit It is living.
In the prior art, not yet there is gel release oxygen detection device, technological deficiency is: can not be quantitatively evaluated solidifying The oxygen rate of release and partial pressure of oxygen of glue, are unfavorable for the development and application of oxygen release gel.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of gels to discharge oxygen detection device, can test oxygen release The oxygen rate of release and partial pressure of oxygen of gel.
Used technical solution to solve above-mentioned technical problem: a kind of gel discharges oxygen detection device, including opening It container and can cover and the film of the oral area of closed open-top receptacle, open-top receptacle is equipped at least two discrepancy being in communication with the outside Mouthful, open-top receptacle is equipped with the oxygen measurement device of at least one detectable oxygen concentration or partial pressure of oxygen.
As an improvement, film is polyethylene film or polyvinyl chloride film.
As an improvement, oxygen measurement device includes the first oxygen measurement device and the second oxygen measurement device, the first oxygen Measuring device can be placed in measurand, and the second oxygen measurement device can be placed in the inner cavity of open-top receptacle.
As an improvement, oxygen measurement device is oxygen sensor probes, oxygen sensor probes and external computer connect It connects.
As an improvement, entrance include the first entrance and the second entrance, the first entrance be located at container side wall or Bottom, the second entrance are located at the bottom of container.
As an improvement, the first entrance and the second entrance are hose connection, it is arranged with hose on hose connection, on hose Equipped with can closed hose clip.
The utility model has the advantages that the utility model proposes gel release oxygen detection device can be quantitatively evaluated gel oxygen release Rate and partial pressure of oxygen can exclude influence of the oxygen to test result in tainer air by being passed through buffer solution and gas, The detectable oxygen concentration of first oxygen measurement device or partial pressure of oxygen situation of change can calculate oxygen release gel by data analysis Oxygen rate of release.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawing:
Fig. 1 is the structural schematic diagram of the detection device of the utility model embodiment;
Fig. 2 is the schematic diagram after the completion of the test method step (4) of the utility model embodiment;
Fig. 3 is the schematic diagram of test method step (5) intermediate state of the utility model embodiment;
Fig. 4 is the schematic diagram after the completion of the test method step (5) of the utility model embodiment;
Fig. 5 is the experimental data line chart of the utility model embodiment;
The noun and label that embodiment and Figure of description are related to include: open-top receptacle 1, film 2, the first entrance 3, the Two entrances 4, clip 5, the first oxygen measurement device 6, the second oxygen measurement device 7, oxygen release gel 8.
Specific embodiment
Raw material used in embodiment unless otherwise specified, can be obtained from routine business approach.
Referring to figs. 1 to 4, a kind of gel discharges oxygen detection device, including open-top receptacle 1.It is solidifying for the ease of fixed oxygen release Glue 8 and sealing open-top receptacle 1, open-top receptacle 1 are equipped with and can cover and the film 2 of the oral area of closed open-top receptacle 1.This implementation Open-top receptacle 1 is rectangular glass guide channel in example.The shape of open-top receptacle 1 can be it is round, rectangular, cylindrical or other have one The shape of constant volume and intensity.Open-top receptacle 1 can also be other chemical property stabilization and the material with some strength, including But be not limited to polycarbonate, polyester, polyethylene, polypropylene, polyvinyl chloride, polyformaldehyde, polyurethane, polyamide etc..
In order to improve the leakproofness of open-top receptacle 1, the film 2 in the present embodiment is polyethylene film.Film 2 needs to have Have air-locked property, should also be it is soft, so as to paste or bind open-top receptacle 1 oral area realize sealing.Film 2 Material can also be polyvinyl chloride film or other are airtight, with some strength and herein in test environment, chemical property is stablized Other membrane materials.
Open-top receptacle 1 is passed in and out for the ease of buffer solution and gas, open-top receptacle 1 is equipped with the first entrance 3 and second Entrance 4, the first entrance 3 and the second entrance 4 are located at the bottom of open-top receptacle 1 in the present embodiment.Second entrance 4 is located at The bottom of open-top receptacle 1 can facilitate buffer solution to be discharged, and the first entrance 3 can also be provided on the side wall of open-top receptacle 1, A possibility that buffer solution is flowed out from the first entrance 3 can be reduced.
For the ease of forming confined space between open-top receptacle 1 and film 2, the first entrance 3 and the second entrance 4 are Hose connection, is arranged with hose on hose connection, hose be equipped with can closed hose clip 5.
When needing to be passed through or be discharged buffer solution or gas, clip 5 can be taken off.First entrance 3 and the second entrance 4 It can also be cone seal plug or screw lid.
For the ease of the oxygen concentration or partial pressure of oxygen in monitoring oxygen release gel 8 and confined space, film 2 is equipped with and can penetrate The the first oxygen measurement device 6 and the second oxygen measurement device 7 of film 2.First oxygen measurement device 6 can be placed to oxygen release gel In 8, the second oxygen measurement device 7 can be placed in confined space.First oxygen measurement device 6 and the second oxygen measurement device 7 It can be oxygen sensor probes, be mainly used for measuring the concentration or partial pressure of oxygen of oxygen gas in environment, according to measurement range Difference and working life length, there are many model and product, such as German compact optical fiber formula oxygen measurement set FireSting O2
For the ease of the oxygen concentration or partial pressure of oxygen in real-time monitoring oxygen release gel 8 and confined space, the first oxygen measurement Device 6 and the second oxygen measurement device 7 are equipped with USB interface, can be connect by USB line with external computer.Computer can Record oxygen release gel 8 and oxygen concentration or partial pressure of oxygen in confined space in real time can calculate oxygen release gel 8 by data analysis Oxygen rate of release.
The test process of the present embodiment is related to PBS buffer solution, PBS buffer solution (phosphate buffer Saline) it is phosphate buffered saline solution, generally as solvent, plays dissolution protection reagent.It is in biochemical research A kind of the most widely used buffer, main component Na2HPO4、KH2PO4, NaCl and KCl, due to Na2HPO4And KH2PO4 They have second level dissociation, and the pH value range of buffering is very wide.
A kind of gel release oxygen test method based on above-mentioned detection device, comprising the following steps:
(1) oxygen release gel 8 is fixed on film 2;
(2) film 2 is penetrated with the first oxygen measurement device 6 and be inserted into its probe in oxygen release gel 8, with the second oxygen Measuring device 7 penetrates film 2 and oxygen release gel 8, and the probe of the second oxygen measurement device 7 is made to be pierced by oxygen release gel 8;
(3) by the covering of above-mentioned film 2, simultaneously adhesive seal is fixed on oxygen release gel 8 spacious in the oral area of open-top receptacle 1 The oral area of mouth container 1, is presented to the probe of the second oxygen measurement device 7 in the inner cavity of open-top receptacle 1;
(4) overturning open-top receptacle 1 and makes the first entrance 3 and the second entrance 4 upward, removes the first entrance 3 and the Clip 5 on two entrances 4 injects PBS buffer solution into the first entrance 3, until the air in open-top receptacle 1 is complete Discharge;
(5) it overturns open-top receptacle 1 and makes the second entrance 4 downward, inject nitrogen into the first entrance 3, make in container PBS buffer solution be discharged from the second entrance 4, until the PBS buffer solution in open-top receptacle 1 is fully drained, use folder Son 5 closes the first entrance 3 and the second entrance 4, makes to keep air-tight state in open-top receptacle 1;
(6) oxygen concentration or partial pressure of oxygen of the first oxygen test device and the second oxygen test device are recorded by computer Situation of change.
(7) test period of the first oxygen measurement device 6 and the second oxygen measurement device 7 is set as 20min, when the first oxygen When the sequential growth rate of oxygen concentration or partial pressure of oxygen that gas measuring device 6 and the second oxygen measurement device 7 measure is not more than 1%, Test terminates.
The utility model proposes gel release oxygen test method and detection device the oxygen of gel can be quantitatively evaluated and release Rate and partial pressure of oxygen are put, the oxygen in tainer air can be excluded to the shadow of test result by being passed through buffer solution and gas It rings, the detectable oxygen concentration of the first oxygen measurement device 6 or partial pressure of oxygen situation of change, oxygen release can be calculated by data analysis The oxygen rate of release of gel 8.
Oxygen release gel 8 in this test can be gel rubber material perhaps gel rubber material composition gel rubber material or gel Material compositions are a kind of gel rubber materials that can discharge oxygen, can be embedding or adsorption of oxygen (such as perfluocarbon and blood red Protein carrier) oxygen carrying type gel or the raw oxygen type gel of chemistry (be placed in oxygen generating agent in such as dressing system -- mainly peroxide With inorganic peroxide salt such as percarbonic acid, calper calcium peroxide, peromag or catalyst, chemistry occurs using hydrogen peroxide and water One of oxygen is resolved into reaction).This test method and detection device have the wider scope of application.
Buffer solution in order to exclude influence of the oxygen in the air in open-top receptacle 1 to test result, in step (5) For PBS (phosphate buffer saline) buffer solution, the gas in step (5) is nitrogen.PBS buffer solution may be used also It is replaced with the buffer solution for using other chemical property under this test condition stable, nitrogen can also use other in this test Under the conditions of the stable inert gas (such as helium, neon or argon gas) of chemical property replace.According to the oxygen release speed of oxygen release gel 8 Difference, the test period of settable different the first oxygen measurement device 6 and the second oxygen measurement device 7.Oxygen release speed is faster, Test period can be set to shorter, set reasonable test period, it is ensured that test result accurate and accelerating as far as possible test into Degree.
The following are an experimental results of the present embodiment:
This experiment is prepared for poly- (2- acrylamido-methyl propane sulfonic acid sodium salt) (PAMPSNa) water-setting by chemical crosslinking Glue and PAMPSNa- sodium alginate composite hydrogel, after changing composite hydrogel load catalase and hydrogen peroxide, system energy The release oxygen of continuous and effective.The measurement for being carried out oxygen release to the gel rubber system using the method for the present embodiment, is obtained a result As shown in Figure 5.The test period of this experiment is set as 20min, show that system reaches flat in 300min or so from experimental result Weighing apparatus, in order to which further identity system has reached balance, this test acquires several groups of data again after 300min.
The experimental data of the present embodiment:
Time (minute) 20 40 60 80 100 120 140 160 180
PO2(mmHg) 18 42 78 105 123 138 147 150 152
Time (minute) 220 240 260 300 340 400 450 500 550
PO2(mmHg) 154 155 157 159 159 159 159 159 159
The embodiments of the present invention is explained in detail above in conjunction with attached drawing, but the utility model is not limited to State embodiment, technical field those of ordinary skill within the scope of knowledge, can also do not depart from it is practical Various changes can be made under the premise of novel objective.

Claims (6)

1. a kind of gel discharges oxygen detection device, it is characterised in that: including open-top receptacle and can cover and closed open-top receptacle Oral area film, open-top receptacle be equipped at least two entrances being in communication with the outside, open-top receptacle be equipped at least one The oxygen measurement device of detectable oxygen concentration or partial pressure of oxygen.
2. gel according to claim 1 discharges oxygen detection device, it is characterised in that: the film is polyethylene film Or polyvinyl chloride film.
3. gel according to claim 1 discharges oxygen detection device, it is characterised in that: the oxygen measurement device includes First oxygen measurement device and the second oxygen measurement device, the first oxygen measurement device can be placed in measurand, the second oxygen Measuring device can be placed in the inner cavity of open-top receptacle.
4. gel according to claim 1 discharges oxygen detection device, it is characterised in that: the oxygen measurement device is oxygen Gas sensor probe, oxygen sensor probes are connect with external computer.
5. gel according to claim 1 discharges oxygen detection device, it is characterised in that: the entrance goes out including first Entrance and the second entrance, the first entrance are located at side wall or the bottom of container, and the second entrance is located at the bottom of container.
6. gel according to claim 5 discharges oxygen detection device, it is characterised in that: first entrance and second Entrance is hose connection, is arranged with hose on hose connection, hose be equipped with can closed hose clip.
CN201820976889.0U 2018-06-22 2018-06-22 A kind of gel release oxygen detection device Active CN208780672U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108896712A (en) * 2018-06-22 2018-11-27 广东省医疗器械研究所 A kind of gel release oxygen test method and detection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108896712A (en) * 2018-06-22 2018-11-27 广东省医疗器械研究所 A kind of gel release oxygen test method and detection device

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Address after: No. 1307, Guangzhou Avenue middle, Tianhe District, Guangzhou, Guangdong 510500

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Address after: No.10, shiliugang Road, Haizhu District, Guangzhou City, Guangdong Province 510000

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Patentee before: Institute of health medicine, Guangdong Academy of Sciences

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