CN207079233U - A kind of sterile contact sampling apparatus of surface microorganism - Google Patents
A kind of sterile contact sampling apparatus of surface microorganism Download PDFInfo
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- CN207079233U CN207079233U CN201721034072.3U CN201721034072U CN207079233U CN 207079233 U CN207079233 U CN 207079233U CN 201721034072 U CN201721034072 U CN 201721034072U CN 207079233 U CN207079233 U CN 207079233U
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- operating portion
- guard rail
- holding tank
- sampling
- culture medium
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Abstract
The utility model discloses a kind of sterile contact sampling apparatus of surface microorganism, and in particular to a kind of sampling apparatus, including it is easy to experimenter's holding and hollow operating portion, the operating portion one end is provided with the sampling unit for microbe sampling；The operating portion is provided with the protector for being used for preventing experimenter's hand touching sampling unit, the protector and sampling unit homonymy；The protector includes the guard rail for being arranged at the outer eaves of sampling unit, and correspondingly, the operating portion end is provided with the holding tank for accommodating guard rail, and culture medium is in holding tank.Also include driving the guard rail reciprocating member of stretching motion and the locating part for preventing guard rail from deviating from from holding tank in holding tank；The reciprocating member is arranged in holding tank, and reciprocating member one end mutually compresses with holding tank bottom land, and the other end mutually compresses with guard rail.The utility model, which has, avoids testing staff's hand contact culture medium in order to avoid the advantages of sample is by living contaminants.
Description
Technical field
A kind of sampling apparatus is the utility model is related to, specially a kind of sterile contact sampling apparatus of surface microorganism.
Background technology
《GMP (is revised) for 2010》With《Chinese Pharmacopoeia》Refer to that contact plate is adopted in 2015 editions
Sample method can be used as the surface microorganism method of sampling, and existing surface microorganism sampling mainly wipes to be detected by antiseptic swab
Surface, it is then transferred in culture dish and is cultivated.This method is relatively complicated, and swab sampling, transfer process may result in compared with
Big microorganism count error.Two big defects be present in traditional contact plate method of sampling：First, the bottom of sampling ware and lid are easily de-
Open, easily polluted when multiple pattern detections；Second, its upper surface need to be higher than sampling ware to the culture medium in sampling ware in the preparation
It openend, otherwise can not complete to sample, just because media surface is higher than sampling ware openend, process is sampled in inspector
In easily encounter exposed media surface and cause pollution risk to increase.Therefore, design a kind of both simple to operate, and can and avoid personnel
The contact plate of pollution is urgent problem to be solved.
Utility model content
The utility model provides a kind of sterile contact sampling apparatus of surface microorganism, and the sterile contact sampling apparatus has
Testing staff's hand contact culture medium is avoided in order to avoid the advantages of sample is by living contaminants.
To achieve the above object, the utility model provides following technical scheme:
A kind of sterile contact sampling apparatus of surface microorganism, including it is easy to experimenter's holding and hollow operating portion, institute
State operating portion one end and be provided with the sampling unit for being used for microbe sampling；The operating portion, which is provided with, to be used to prevent experimenter's hand from touching
Touch the protector of sampling unit, the protector and sampling unit homonymy；The protector includes being arranged at the outer eaves of sampling unit
Guard rail, correspondingly, the operating portion end is provided with the holding tank for accommodating guard rail, and culture medium is prepared into holding tank, on
Surface is less than guard rail port.Also include driving guard rail in holding tank the reciprocating member of stretching motion and prevent guard rail from
The locating part deviate from holding tank；The reciprocating member is arranged in holding tank, and reciprocating member one end mutually compresses with holding tank bottom land,
The other end mutually compresses with guard rail.
Wherein, sampling unit is provided with the groove for accommodating culture medium, and experimenter can pour into liquid culture medium in groove, is inverted
Until culture medium cooled and solidified.When liquid culture medium is poured into groove, it should ensure that liquid culture medium is full of whole groove, and liquid
Where face is in guard rail between end face and groove notch so that when being retracted in holding tank, culture medium can reveal guard rail completely
Out, to sample.
When experimenter starts to carry out sampling operation to target sample, sampling unit one end is aligned by hand-held portion first
Body surface to be sampled, it is reduced to by extruding on reciprocating member guard rail inside holding tank so that the culture medium in sampling unit
Contacted with target sample, to realize sampling.Sampling is finished, and guard rail can be stretched out from holding tank again by reciprocating member, so as to
Testing staff's hand is avoided to be contacted with culture medium so that experimental result is more accurate.
Meanwhile sampling unit can be 24~30cm in area2It is circular or square.Sampling unit is preferably significant surface
Product is 25cm2And it is rounded, meeting specified in GPM standard for manual sampling simultaneously, be also convenient for testing staff to the clear of sampling unit
Wash.
Preferably, the locating part includes the groove of insertion holding tank cell wall and facilitates experimenter to stir force
Handle, the handle are mutually fixed with guard rail.Testing staff can be by stirring handle so that guard rail is transported up and down in holding tank
It is dynamic, while handle can only be in groove range of motion, so as to avoid guard rail from departing from holding tank.
Preferably, the operating portion is equipped with the lid for preventing sampling unit microbial contamination.
Preferably, the lid is provided with inserted block, correspondingly, the operating portion is provided with inserts embedding slot for inserted block.Lid
The inserted block of upper setting can be inserted into slot and fix, and prevent the culture medium in sampling unit to be contaminated.Meanwhile lid will not also contact
Culture medium in sampling unit, it also avoid culture medium contamination lid and be contaminated.
Preferably, the reciprocating member is spring.
Preferably, the sampling unit includes being used for the sucker for drawing culture medium, correspondingly, the operating portion is provided with and suction
Disk is adapted and coordinated with sucker the cavity for drawing culture medium, in addition to connecting rod, and connecting rod one end is mutually fixed with sucker, another
End, which is provided with, facilitates experimenter to move up and down sucker to draw the slider of culture medium, and correspondingly, the operating portion side wall is provided with can
The chute moved freely for slider.Connecting rod is into " 7 " type, and testing staff is by moving up and down slider, to draw fluid nutrient medium,
Absorption finishes, and is inverted and waits culture medium cooling.
Prevent experimenter from surprisingly touching the protective cover of slider, the operating portion side preferably, the operating portion is provided with
Wall is provided with fixed block, and the protective cover is hinged with fixed block.Protective cover can prevent testing staff from touching slider in addition, work as culture
When base solidifies, touching slider in addition can cause solid medium to be come off from cavity volume；Touched during fluid nutrient medium is drawn
Touching slider can make it that the culture medium thickness in cavity volume is excessive or too small, so as to influence the progress of experiment.
Preferably, the operating portion is provided with the transparent window for being easy to experimenter to observe culture medium thickness in cavity.Inspection
Survey personnel can observe the culture medium thickness in cavity by transparent window, when reaching optimum altitude, you can stop promoting slider.
Preferably, the sterile contact sampling apparatus of surface microorganism is made up of radiation hardness sterilizing material.Metal glass can be selected
Glass and plastics, preferably glassy metal, because glassy metal is a kind of special plastics, material is more stable, not only radiation hardness
And high temperature resistant, it is reusable.
The beneficial effects of the utility model are：
In the utility model, when experimenter starts to carry out sampling operation to target sample, hand-held portion first will
Sampling unit one end is directed at body surface to be sampled, is reduced to by extruding on reciprocating member guard rail inside holding tank so that adopt
Culture medium and target sample contact in sample portion, to realize sampling.Sampling finishes, and guard rail can be by reciprocating member again from receiving
Stretched out in groove, so as to avoid testing staff's hand from being contacted with culture medium so that experimental result is more accurate.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the sterile contact sampling apparatus of surface microorganism in embodiment 1；
Fig. 2 is the D portions enlarged drawing in Fig. 1；
Fig. 3 is the E portions enlarged drawing in Fig. 1；
Fig. 4 is a kind of structural representation of the sterile contact sampling apparatus of surface microorganism in embodiment 2；
Fig. 5 is the A portions enlarged drawing in Fig. 1；
Fig. 6 is a kind of structural representation of the sterile contact sampling apparatus of surface microorganism in embodiment 2；
Fig. 7 is a kind of cross-sectional view of the sterile contact sampling apparatus of surface microorganism in embodiment 2；
Fig. 8 is the B portions enlarged drawing in Fig. 4；
Fig. 9 is the C portions enlarged drawing in Fig. 4.
In figure：1st, operating portion, 11, transparent window, 12, groove, 14, reciprocating member, 15, slot, 21, handle, 22, protection
Column, 31, protective cover, 32, slider, 33, sucker, 34, connecting rod, 35, fixed block, 4, lid, 41, inserted block.
Embodiment
Embodiment 1
The present embodiment provides a kind of technical scheme：
As shown in Figures 1 to 3, the sterile contact sampling apparatus of a kind of surface microorganism, including be easy to experimenter hold and in
Empty operating portion 1, the one end of operating portion 1 are provided with the sampling unit for microbe sampling；The operating portion 1, which is provided with, to be used to prevent
The only protector of experimenter's hand touching sampling unit, the protector and sampling unit homonymy；The protector includes
The guard rail 22 of the outer eaves of sampling unit is arranged at, correspondingly, the end of operating portion 1 is provided with the holding tank for accommodating guard rail 22, also
Including driving the reciprocating member 14 of the stretching motion in holding tank of guard rail 22 and preventing what guard rail 22 from deviating from from holding tank
Locating part；The reciprocating member 14 is arranged in holding tank, and the one end of reciprocating member 14 mutually compresses with holding tank bottom land, and the other end is with preventing
The phase of guardrail 22 compresses.In the present embodiment, when experimenter starts to carry out sampling operation to target sample, hand-held portion first
1, sampling unit one end is directed at sampled object surface, holding tank top is reduced on the guard rail 22 of reciprocating member 14 by extruding,
So that culture medium and target sample contact in sampling unit, to realize sampling.Sampling finishes, and guard rail 22 can pass through reciprocating member 14
Again stretched out from holding tank, so as to avoid testing staff's hand from being contacted with culture medium so that experimental result is more accurate.This reality
The sampling unit mentioned by example is applied to can be regarded as in 1 end set of operating portion, one ware body that can accommodate culture medium.
As shown in Figure 4 and Figure 5, testing staff can be by stirring handle 21 so that guard rail 22 is transported up and down in holding tank
It is dynamic, while handle 21 can only be in the range of motion of groove 12, so as to avoid guard rail 22 from departing from holding tank.
Prevent sampling unit by the lid of living contaminants as shown in figure 1, the operating portion is equipped.
As shown in Figures 1 to 3, the inserted block that is set on lid can be inserted into it is fixed in slot, prevent culture medium in sampling unit by
To pollution.Meanwhile lid will not also contact the culture medium in sampling unit, it also avoid culture medium contamination lid and be contaminated.
In the present embodiment, the reciprocating member 14 is spring.
Embodiment 2
On the basis of embodiment 1, the present embodiment is further elaborated.
As shown in fig. 7, the sampling unit includes being used for the sucker 33 for drawing culture medium, correspondingly, the operating portion 1 is provided with
The cavity for drawing culture medium, in addition to connecting rod 34 are adapted and coordinated with sucker 33 with sucker 33, and the one end of connecting rod 34 is with inhaling
The phase of disk 33 is fixed, and the other end, which is provided with, facilitates experimenter to move up and down sucker 33 to draw the slider 32 of culture medium, correspondingly, institute
State the side wall of operating portion 1 and be provided with the chute for being available for slider 32 to move freely.Connecting rod 34 is into " 7 " type, and testing staff is by above moving down
Dynamic slider 32, to draw fluid nutrient medium, absorption finishes, and is inverted and waits culture medium cooling.
As shown in figure 4, protective cover 31 can prevent testing staff from touching slider 32 in addition, when culture medium solidifying, in addition
Touching slider 32 can cause solid medium to be come off from cavity volume；Slider 32 is touched during fluid nutrient medium is drawn to be made
The culture medium thickness obtained in cavity volume is excessive or too small, so as to influence the progress of experiment.
As shown in figure 4, testing staff can observe the culture medium thickness in cavity by transparent window, when reaching optimum altitude
When, you can stop promoting slider.
Glassy metal and plastics can be selected in the sterile contact sampling apparatus of surface microorganism mentioned by the present embodiment, are preferably
Glassy metal, because glassy metal is a kind of special plastics, material is more stable, and not only radiation hardness but also high temperature resistant, can be weighed
It is multiple to use.
Claims (9)
- A kind of 1. sterile contact sampling apparatus of surface microorganism, it is characterised in that including be easy to experimenter hold and it is hollow Operating portion (1), operating portion (1) one end are provided with the sampling unit for microbe sampling；The operating portion (1) be provided be used for prevent experimenter's hand touching sampling unit protector, the protector with Sampling unit homonymy；The protector includes the guard rail (22) for being arranged at the outer eaves of sampling unit, and correspondingly, operating portion (1) end is provided with The holding tank of guard rail (22) is accommodated,Also include driving guard rail (22) reciprocating member (14) of stretching motion and prevents that guard rail (22) is calm in holding tank Receive the locating part deviate from groove；The reciprocating member (14) is arranged in holding tank, and reciprocating member (14) one end mutually compresses with holding tank bottom land, the other end with Guard rail (22) mutually compresses.
- A kind of 2. sterile contact sampling apparatus of surface microorganism according to claim 1, it is characterised in that the locating part Including penetrating the groove (12) of holding tank cell wall and facilitating experimenter to stir the handle (21) of force, the handle (21) with Guard rail (22) is mutually fixed.
- A kind of 3. sterile contact sampling apparatus of surface microorganism according to claim 1, it is characterised in that the operating portion (1) being equipped with prevents the lid (4) of sampling unit microbial contamination.
- A kind of 4. sterile contact sampling apparatus of surface microorganism according to claim 3, it is characterised in that the lid (4) inserted block (41) is provided with, correspondingly, the operating portion (1), which is provided with, inserts embedding slot (15) for inserted block (41).
- A kind of 5. sterile contact sampling apparatus of surface microorganism according to claim 1, it is characterised in that the reciprocating member (14) it is spring.
- A kind of 6. sterile contact sampling apparatus of surface microorganism according to claim 1, it is characterised in that the sampling unit Including the sucker (33) for drawing culture medium, correspondingly, the operating portion (1) is provided with to be adapted and and sucker with sucker (33) (33) cavity for drawing culture medium is coordinated,Also include connecting rod (34), connecting rod (34) one end is mutually fixed with sucker (33), and the other end, which is provided with, to be facilitated on experimenter Lower mobile sucker (33) is to draw the slider of culture medium (32), and correspondingly, operating portion (1) side wall is provided with and is available for slider (32) The chute moved freely.
- A kind of 7. sterile contact sampling apparatus of surface microorganism according to claim 6, it is characterised in that the operating portion (1) being provided with prevents experimenter from surprisingly touching the protective cover (31) of slider (32), and operating portion (1) side wall is provided with fixed block (35), the protective cover (31) and fixed block (35) are be hinged.
- A kind of 8. sterile contact sampling apparatus of surface microorganism according to claim 1, it is characterised in that the operating portion (1) it is provided with the transparent window (11) for being easy to experimenter to observe culture medium thickness in cavity.
- 9. the sterile contact sampling apparatus of a kind of surface microorganism according to claim 1, it is characterised in that gone out by radiation hardness Bacterium material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721034072.3U CN207079233U (en) | 2017-08-17 | 2017-08-17 | A kind of sterile contact sampling apparatus of surface microorganism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721034072.3U CN207079233U (en) | 2017-08-17 | 2017-08-17 | A kind of sterile contact sampling apparatus of surface microorganism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207079233U true CN207079233U (en) | 2018-03-09 |
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ID=61419505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721034072.3U Active CN207079233U (en) | 2017-08-17 | 2017-08-17 | A kind of sterile contact sampling apparatus of surface microorganism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207079233U (en) |
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2017
- 2017-08-17 CN CN201721034072.3U patent/CN207079233U/en active Active
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