CN1248999A - Device for urine testing - Google Patents

Device for urine testing Download PDF

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Publication number
CN1248999A
CN1248999A CN 97182005 CN97182005A CN1248999A CN 1248999 A CN1248999 A CN 1248999A CN 97182005 CN97182005 CN 97182005 CN 97182005 A CN97182005 A CN 97182005A CN 1248999 A CN1248999 A CN 1248999A
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CN
China
Prior art keywords
container
urine
spout
cylindrical vessel
piston
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.)
Pending
Application number
CN 97182005
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Chinese (zh)
Inventor
哈米德·达瓦赞
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 97182005 priority Critical patent/CN1248999A/en
Publication of CN1248999A publication Critical patent/CN1248999A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M23/00Constructional details, e.g. recesses, hinges
    • C12M23/28Constructional details, e.g. recesses, hinges disposable or single use
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M37/00Means for sterilizing, maintaining sterile conditions or avoiding chemical or biological contamination
    • C12M37/04Seals

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  • Investigating Or Analysing Biological Materials (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Abstract

The present invention concerns a device for testing resistance in microorganisms present in e. g. urine. The device comprises a cylindric container fitted with a spout of a considerably lesser diameter and a plunger making a tight seal against the wall of the container, having a radially extending gasket and being partly coated with nutrients for growing microorganisms, the coated part being arranged at the front part of the plunger and comprising at least three angularly arranged test laminate, at least one of which is coated with nutrients and antibiotics of different kinds and concentrations. The lower end surface of the container is conically shaped with a peak turning into the spout preventing urine from remaining on the surface when the container is emptied after the laminae have been wetted with urine and before the device is incubated.

Description

Device for urine testing
Technical field of the present invention
The present invention relates to a kind of being used for the put up a resistance device of power test of the bacterium that for example exists at urine, this device comprises that a cylindrical vessel that can encapsulate and is arranged in the testing apparatus that has substratum of this container.Testing apparatus be located in the container can axially movable piston the front portion, piston makes testing apparatus become the watertight relation with container inner wall, wherein but one of short end of container has the close jet of the quite little protrusion of a diameter, testing apparatus comprises two or more mutually by the test board of the proportional layout of angle, and one of test board of An Zhuaning has the substratum and the microbiotic of different sorts and concentration at least.
Technical background of the present invention
Urinalysis is the oldest in the clinical medicine, the simplest and makes one of laboratory inspection with the most use.In each physical examination and each patient control, all should check urine.
Although there are a lot of people that bacterium is arranged in urine, from the symptom of urethra, these patients also may not gone down by renal function.In that the preceding illness inspection to these patients of so-called chronic nephropyelitis (ChronicallyPyelonephrit) is taken place is very important.Asymptomatic urinary tract infection is present subject matter, and it is very important particularly by cultivation and resistibility test urine effectively being tested in non-customary nursing.
Common urinalysis has normally checked as elementary.Analysis comprises color and other optical phenomena, pH value, protein, density, sugar and red blood corpuscle and leukocytic appearance.If found white cell and/or bacterium, just should do urine and cultivate, and should be in conjunction with showing the antibiotic bacterial resistance test that is suitable for treating most.
Exist many different methods that are used for definite urine bacteria content to determine assuredly that with many different being used for any microbiotic is applicable to the method for this specific bacteria in above-mentioned technical field.
In common operation, patient hands in the urine sample that is placed in Glass Containers or the analogue.Pollute avoiding even correctly handed urine sample over to, but in being sent to bacteriological labororatory's process urine sample always more or less by other bacterial contamination.Urine is the fabulous medium of bacterial growth, and this can cause the uncertain explanation to test-results.If not very fast check or refrigeration, polluting the number of bacteria that can make every milliliter of urine in the very short time so increases millions of individual.Under the situation that is not having effectively refrigeration, if make the reliability of assay keep not reducing, then handed in and the time of urine between the laboratory is processed mostly is 1-2 hour most in urine.
For the general conventional procedure in present ward, suitable laboratory be delivered to or be transported to urine sample must with mail or delivery service, and Keep cool to cultivating and analyzing to make urine sample there.Before being ready to and after this can suitably treating, test-results needs three days time usually.This schedule of operation has increased the danger that complication takes place patient.The bacterium that occurs when the cultivating power test of must putting up a resistance is suitable for treatment to find out which kind of microbiotic.Importantly do not take a risk and do not want in available from the market all preparations and at will select a kind of microbiotic for use.Therefore importantly do the resistibility test as quickly as possible, so that can select optimal microbiotic and determine that antibiotic concentration is to obtain good result.
Cultivation in bacteriological labororatory is to use the agar plate that is bedewed by urine to finish at present, determines the resistibility pattern by magnifying glass.
From prevailing disease viewpoint and prognosis viewpoint existing but the sheet cultural method that soaks that is not in daily use is not too suitable.
By Swedish patent file SE, C2 503 177 also can be known a kind of being used for the put up a resistance device of power test of for example microorganism of urine, this device comprises a closed cylindrical vessel and a testing apparatus, and this testing apparatus can be put in the container and have substratum.Testing apparatus is arranged in can be in the front portion of the axially movable piston of container, piston makes water-lute between testing apparatus and container inner wall, but one of short end of container has the close jet of the quite little protrusion of a diameter, testing apparatus comprises two or more mutually by the test board of the proportional layout of angle, and one of test board of An Zhuaning has the substratum and the microbiotic of different sorts and concentration at least.
Yet the fact shows, because there is steam in container inside, this device can not be as enough correctly explaining plate.Although eliminate steam by various effort such as for example rotating pistons, this problem still exists, so this device can not solve the problems referred to above that take place when urine test.
Therefore the possibility of result is explained mistakenly, thereby and proposes incorrect result.
The object of the invention briefly introduces
The testing apparatus that the objective of the invention is to remove the above-mentioned shortcoming of urine testing apparatus and obtain a kind of easy explanation, this is dangerous minimum realization that has steam by making on the container inside of surrounding test board.
An object of the present invention is to obtain a kind of device, it can show whether there is infection and should uses which kind of medicine to treat, all finishes in a step with satisfactory way.
Another object of the present invention is the device that obtains a kind of easy explanation.
An object of the present invention is to obtain a kind of testing apparatus, it can will be urinated after moistening fully at plate discharges.
Another object of the present invention is the testing apparatus that obtains a kind of easy operation and can not overflow.
Another object of the present invention is the disposable test experiment device that obtains a kind of lower production cost.
According to purpose of the present invention, the problems referred to above are to solve like this, be the taper shape of band spout promptly by the lower end that makes above-mentioned cylindrical vessel, wherein conical portion is varied to above-mentioned spout, with after above-mentioned plate is moistening with urine and this device put into and prevent to urinate the lower end that accumulates in container will urinate from cylindrical vessel discharge before cultivating in the incubator time.
According to purpose according to the present invention obtain a kind of reliably, save the labor force, that production cost is low and the device of short form test conventional procedure greatly.
Accompanying drawing is briefly described
Figure 1 shows that the device of seeing from the side.
Figure 2 shows that the part of this device of the amplification of seeing from the side, it has showed the bottom of test board and container.
Figure 3 shows that the piston of seeing from the side that has test board.
Figure 4 shows that the test board of the substratum that for example multi-form and microbiotic concentration of band is used.
Preferred design of the present invention is described in detail
Fig. 1 and 2 is depicted as the device of the present invention that looks like a syringe, it comprises a piston 2, piston 2 one ends have a plate that is used for operating and places at incubator 5, wherein piston 2 is put in the part or all of transparent cylindrical vessel 1, container 1 one end openings, the other end have a closed spout 3.
After the insertion, the inner of piston 2 has many test board 4a, 4b and 4c, and wherein some only scribbles substratum, and some existing substratum also has microbiotic.Also have a radially dish type deformable seal 6 slightly on the piston 2, sealing 6 is between the exterior portion of test board and piston.Sealing 6 diameter is slightly greater than the internal diameter of cylindrical vessel.When piston was inserted in the container, sealing 6 is distortion slightly, made the container inner wall water-lute between the chamber and cylindrical vessel upper opening chamber under the cylindrical vessel of itself and girdle tests plate.
The lower end  of cylindrical vessel 1 is conical, but the top that close jet 3 is surrounded circular cones prevents to urinate the top that accumulates in circular cone in the time of will urinating from cylindrical vessel 1 discharge after moistening with urine with test board 4a, 4b and 4c.
The angle of conical end is between 3 and 30 °.The diameter of spout 3 be about cylindrical vessel 1 internal diameter 1/9th so that will urinate from cylindrical vessel that to discharge the surface that back urine can gather minimum, and reduce the danger that has steam on the cylindrical vessel part of test board 4a, 4b and 4c surrounding with this.
Have one to be used to the plate 7 operating and place on the exterior upper portion of piston part, this device stands on this plate when cultivating.
The present invention is a coating when the production site consigns to the user, this means that test board has substratum separately and microbiotic that layer thickness is about the 2-3 millimeter, then the piston 2 of girdle tests plate is inserted in the cylindrical vessel 1, sealing 6 makes itself and the inner wall sealing of container 1, then this device is sterilized and packages.
So because of agar thicker layer apt to deteriorate is desirable, will in the long time, keep fresh, so just can not dryly not get so fast if layer thickness is about the 2-3 millimeter.
Plate can have carreau so that agar is easy to fix onboard.
In the time will using according to device of the present invention, unpack and the sealing on the spout 3 removed, then spout 3 is immersed in full of liquid, the urine that will check for example, container in.Piston 2 is extracted out a very short segment distance to container 1 outside in container 1, in container 1, suck the urine of enough volumes, this device of jolting is wetting with test board 4a, 4b and 4c with usefulness urine easily then, then piston 2 is pushed in the container 1 fully so that whole urine passes through spout 3 ejections, then with spout 3 sealings.Sealing 6 makes itself and the inwall water-lute of cylindrical vessel 1, but and surround seal 6 and close jet 3 between the U-shaped space in test board 4a, 4b and 4c.
Importantly in this U-shaped space, do not leave remaining urine, can't explanation results because this meeting generation steam on the inwall of cylindrical vessel 1 is also feasible.
Now device just all set for example can be put in the incubator, preferably 37 °, thermal environment in cultivate.Device is placed as spout upwards, stands in to be used to the plate 5 operating and place.
After the time of determining, preferably 4-8 hour, begin to explain the growing state of microbial culture, simultaneously owing to directly have microbiotic on the plate, so just can see not successfully growth of bacterium on which plate without microscope or magnifying glass, determine that thus which kind of medicine and/or which kind of drug level are applicable to this particular case.
By the present invention, for example there is not the private practice person of full experiment chamber equipment can easily determine and treat different types of urinary tract infection.
The present invention is not limited to the design example and the associated accompanying drawing of these descriptions of expression, in the Patent right requirement scope, can carry out various changes and modification below.

Claims (3)

1. one kind is used for the microorganism that exists at urine for example, the bacterium device of power test of putting up a resistance particularly, it comprises that a closed cylindrical vessel (1) and scribbles the insertable piston-like part (2) of substratum, the part of band coating (2) be arranged in container can axially movable piston-like part the front portion, piston-like partly makes the inwall water-lute of band coating part and container, but one of short end of container has the close jet (3) of the quite little protrusion of a diameter, and but the plate-like sealing (6) of the available circumferentially extending of another short end is sealed, wherein band coating part (2) comprises the test board (4a that three or more is arranged in proportion with angle mutually, 4b, 4c), at least one of test board of An Zhuaning has the substratum and the microbiotic of different sorts and concentration, it is characterized in that, the bottom () of cylindrical vessel (1) is a taper shape that band is most advanced and sophisticated, wherein conical portion is changed to spout (3), when container (1) at test board (4a, 4b, 4c) put into when being drained before cultivating in the incubator with urine adhesional wetting back and at device, this spout (3) prevents that urine from remaining on this end ().
2. according to the device described in the claim 1, it is characterized in that the angle of conical end () is between 3 and 30 °.
3. according to the device described in the claim 1, it is characterized in that the diameter of spout (3) is about 1/9th of cylindrical vessel (1) internal diameter.
CN 97182005 1997-03-05 1997-03-05 Device for urine testing Pending CN1248999A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 97182005 CN1248999A (en) 1997-03-05 1997-03-05 Device for urine testing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 97182005 CN1248999A (en) 1997-03-05 1997-03-05 Device for urine testing

Publications (1)

Publication Number Publication Date
CN1248999A true CN1248999A (en) 2000-03-29

Family

ID=5178249

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 97182005 Pending CN1248999A (en) 1997-03-05 1997-03-05 Device for urine testing

Country Status (1)

Country Link
CN (1) CN1248999A (en)

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C53 Correction of patent for invention or patent application
CB02 Change of applicant information

Address after: Stockholm

Applicant after: Gasta diagnostics Inc

Address before: Swedish Iyer Ferla

Applicant before: Hamid Davarzan

COR Change of bibliographic data

Free format text: CORRECT: APPLICANT; FROM: HAMIDEDAWA ZAN TO: GALSTA DIAGNOSTICS COMPANY

C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication