CN209778855U - Detect and transport culture apparatus with bacterium - Google Patents

Abstract

Detect and transport culture apparatus with bacterium, relate to the technical field of medical inspection, including transporting the pipe, sampling swab and tube cap, sampling swab is including wiping sub-pole and sampling head, wipe sub-pole and go up the cover and be equipped with sealed piece, sealed piece can be followed and wipe sub-pole and reciprocate, and sealed piece forms the structure sealed with the sampling head with the bottom of transporting the pipe when the sampling head stretches into the transportation intraduct, wipes sub-pole top and connects in the inboard center department of tube cap, and the tube cap joint is in transporting pipe mouth of pipe department, transports intraductal culture medium that sets up, the utility model provides a culture apparatus is transported to bacterium, the device simple structure, the leakproofness is good, can prevent that the sample from exposing in the air, and sampling swab can place temporarily on transporting the pipe.

Description

Detect and transport culture apparatus with bacterium

Technical Field

The utility model relates to a technical field of medical science inspection, concretely relates to detect and transport culture apparatus with bacterium.

Background

Typically, the collection and detection of the microbiological sample are not at the same time and at the same location. The microorganisms are safely transported from the site of collection of the sample to the test site and the culture medium, which ensures substantially constant physiological properties of the microorganisms, is generally used as a maintenance medium when transporting the microorganisms. At present, the most common transport medium forms in the market are divided into two types, one is a semi-solid medium as a preservative for maintaining bacterial activity, and the other is a liquid medium as a preservative for maintaining bacterial activity. The existing bacteria transfer culture medium has the following defects: 1. the transfer tube is easy to incline or turn upside down during the transfer process, and when the liquid transfer culture medium in the transfer tube is less, the specimen is easy to be exposed to the air; 2. the transfer tube has poor sealing performance, and particularly when a semi-fixed culture medium is adopted, a sampling head is inevitably exposed to air in a partial area after extending into the semi-solid culture medium, so that the transfer tube cannot be used for transferring anaerobic bacteria culture specimens; 3. the whole sampling process staff always need to hold the swab rod, the swab rod cannot be temporarily placed in the midway, and the operation is very inconvenient.

The utility model discloses china, the patent name is "a bacteria transfer culture apparatus", and the application date is 2017.04.11, and the application announcement date is 2017.11.28, discloses: comprises a transfer tube, a screw cap and a sampling swab, wherein a semisolid culture medium and a liquid culture medium are arranged in the transfer tube from bottom to top; the screw cap is matched with the pipe orifice of the transfer pipe and detachably connected to the pipe orifice of the transfer pipe; this sampling swab's length matches in the length of transfer pipe, and sampling swab is flat shovel type including pole portion and head from top to bottom, is provided with the breakpoint in advance on the pole portion, and the position that the sampling swab stretched into semi-solid culture medium back breakpoint in advance matches in the position of spiral cover, is provided with the bayonet socket of matching in the breakpoint in advance on the inboard on this spiral cover top. The utility model still does not solve the problem that the worker in the whole sampling process of the existing bacteria transferring and culturing device always needs to hold the swab rod, and the swab rod cannot be temporarily placed midway, so that the operation is very inconvenient.

Disclosure of Invention

To the problem that exists, the utility model provides a culture apparatus is transported with bacterium to detection, the device simple structure, the leakproofness is good, can prevent that the sample from exposing in the air, sampling swab accessible tube cap is placed on the desktop or on other supports temporarily, solved whole sampling process staff and need handheld swab pole always, can't be midway to wiping the problem that the pole put temporarily, for the operation provides convenience, and can use in the operation process to hold the tube cap, avoid and sample the swab between the contact, reduce the emergence probability that the sample pollutes.

The technical scheme is as follows: including transporting the pipe, sampling swab and tube cap, the sampling swab is including wiping sub-pole and sampling head, wipe and overlap on the sub-pole and be equipped with sealed piece, sealed piece can be followed and is wiped the sub-pole and reciprocate, sealed piece forms the structure sealed with the sampling head with the bottom of transporting the pipe when the sampling head stretches into the transportation intraduct, the medial surface of tube cap is equipped with the block rubber, the block rubber size and the inboard big or small looks adaptation of the mouth of pipe of transporting the pipe, and the center of block rubber is equipped with the through-hole that runs through its thickness, wipe the sub-pole top and pass the through-hole and be connected with the tube cap, the tube cap passes through the block rubber joint and locates at the transportation pipe mouth, set up.

Preferably, the sealing block comprises a fixing block and a rubber layer wrapped on the outer side of the fixing block, external threads are arranged on the outer side of the wiper rod, the bottom end of the fixing block is matched with the inside of the transfer pipe in size, the upper end of the fixing block is conical, internal threads are arranged in the center of the fixing block, and the fixing block is movably connected to the wiper rod through the internal threads and the external threads which are matched in a spiral mode.

Preferably, the outer side surface of the rubber layer, which is contacted with the inner wall of the transfer pipe, is provided with at least one circle of sealing ribs, and the sealing ribs are arranged along the circumferential direction of the outer side surface of the rubber layer.

Preferably, the swab rod is in the shape of a round rod made of medical ABS material.

Preferably, the sampling head is flat and made of nontoxic plastic polysulfone hollow fiber.

Preferably, the outer side of the tube cover is provided with stripe protrusions.

Preferably, the bottom end surface of the outer part of the transfer pipe is plane.

Preferably, the length of the transfer tube is matched with the length of the swab rod, so that a gap is reserved between the sampling head and the inner bottom end face of the transfer tube when the tube cover covers the opening of the transfer tube.

The utility model provides a bacteria transfer culture apparatus compares beneficial effect with prior art and is:

1. The utility model provides a bacterium transportation culture apparatus for detection, the device simple structure, the transportation pipe carries out double-deck sealing through sealing block and block rubber, makes the transportation pipe leakproofness good, avoids the sampling head to expose in the air, can't be used for anaerobe to cultivate the sample and transport, and the practicality is strong;

2. The sampling swab is provided with a sealing block, the sealing block comprises a fixing block and a rubber layer, and the sealing block can move up and down according to the amount of a culture medium in the transfer tube, so that a sample is prevented from being exposed in the air when the transfer tube is inclined or inverted;

3. The sampling swab is connected together with the tube cover, and the sampling swab can be temporarily placed on a table top or other supports through the tube cover in the sampling process, so that the sampling head is prevented from being directly contacted with the table top or other supports to cause pollution, and the tube cover can be held by a hand in the operation process, so that the contact between the sampling swab and the sampling swab can be avoided. The occurrence probability of sample pollution is reduced.

Drawings

FIG. 1 is a direct view of the bacteria transferring and culturing device for detection in the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a structural diagram of the middle tube cover of the present invention.

Fig. 4 is a structure diagram of the middle sealing block of the present invention.

In the figure: the device comprises a transfer tube 1, a sampling swab 2, a tube cover 3, a swab rod 4, a sampling head 5, a fixed block 6, a rubber layer 7, a rubber block 8, a through hole 9, a sealing rib 10, a sealing block 11 and a stripe bulge 12.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The attached drawings are simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, and thus only show the components related to the present invention.

in the first embodiment, as shown in fig. 1 and 2, the bacteria transferring and culturing device for detection includes a transferring tube 1, a sampling swab 2 and a tube cover 3, wherein the transferring tube 1 is cylindrical, and the bottom end surface of the transferring tube is a plane, so that the transferring tube 1 can be directly placed on a table. Wherein, the pipe shaft size of transfer tube 1 is the same with general sampling test tube, then the test-tube rack that is applicable to the sampling test tube is applicable to the transfer tube equally, is convenient for deposit and transport and changes, and the diameter of tube cap 3 is greater than the mouth of pipe diameter of transfer tube 1.

The sampling swab 2 comprises a swab rod 4 and a sampling head 5, wherein the swab rod 4 can be made of a round rod made of medical ABS material. The sampling head 5 is made of a material with small liquid storage amount and no positive electricity, the material with small liquid storage amount is usually a small-aperture high-density fiber material, and the material serving as the sampling head 3 also has the characteristics of no harm, no toxicity and no odor to a human body.

The length of the transfer pipe 1 is matched with the length of the swab rod 4, so that when the pipe cover 3 covers the pipe orifice of the transfer pipe 1, a gap is reserved between the sampling head 5 and the bottom end face inside the transfer pipe 1, and the sampling head 5 is placed to be directly contacted with the bottom face inside the transfer pipe 1.

The swab rod 4 is sleeved with a sealing block 11, the sealing block 11 can move up and down along the swab rod 4, and the sealing block 11 and the bottom of the transfer pipe 1 form a structure for sealing the sampling head 5 when the sampling head 5 extends into the transfer pipe 1. The sealing block 11 can be moved up and down according to the amount of the medium inside the transfer tube 1 to prevent the specimen from being exposed to the air when the transfer tube is tilted or inverted.

As shown in fig. 3, the inner side surface of the pipe cover 3 is provided with a rubber block 8, the size of the rubber block 8 is matched with the size of the inner side of the pipe orifice of the transfer pipe 1, the center of the rubber block 8 is provided with a through hole 9 penetrating through the thickness of the rubber block, the top end of the wiper rod 4 penetrates through the through hole 9 to be connected with the pipe cover 3, and the wiper rod 4 and the pipe cover 3 are fixedly bonded by glue. The pipe cover 3 is clamped at the pipe orifice of the transfer pipe 1 through a rubber block 8. The sampling swab 2 is connected with the tube cover 3, the sampling swab 2 can be temporarily placed on a table top or other supports through the tube cover 3 in the sampling process (the sealing block 11 is adjusted to the end, close to the tube cover 3, of the swab rod 4 to stand stably), the sampling head 5 is prevented from being directly contacted with the table top or other supports to be polluted, and the tube cover can be held by a hand in the operation process, so that the contact between the sampling swab and the sampling swab can be avoided. The occurrence probability of sample pollution is reduced.

Set up the culture medium in the transport pipe 1, wherein, the volume of culture medium can be complete one will sample swab 2 submergences when sampling swab 2's sampling head 5 stretches into transport pipe 1 inside, the culture medium can adopt liquid medium, semi-solid medium or liquid medium, semi-solid medium both mix, if for semi-solid medium, when liquid medium mixes, liquid medium is located the upper strata of semi-solid medium, set up like this and stretch into the liquid medium on the upper strata behind the semi-solid medium of bottom when sampling head 5 can automatic filling because the swab stretches into the space that causes, thereby can avoid sample and air contact completely, form the space after having solved the swab and stretch into the culture medium in the pure semi-solid medium and lead to the problem of sample part and air contact.

Set up sealed piece 11 and block rubber 8 when passing through, carry out double-deck sealing to transport pipe 1, make the transport pipe leakproofness good, avoid sampling head 5 to expose in the air, can't be used for anaerobe to cultivate the sample and transport, the practicality is strong.

In the second embodiment, on the basis of the above embodiments, the sealing block 11 further includes a fixing block 6 and a rubber layer 7 wrapped outside the fixing block 6, as shown in fig. 4, the bottom end of the fixing block 6 is matched with the inside of the transfer pipe 1, the upper end of the fixing block 6 is tapered, the position of the fixing block 6 is adjusted by pinching the taper at the upper end of the fixing block 6 with a hand, so that the hand is prevented from directly contacting the contact end of the fixing block 6, the rubber layer 7 and the transfer pipe 1, and pollution is avoided. The rubber layer 7 and the fixed block 6 are bonded and fixed through glue, so that the rubber layer 7 and the fixed block 6 are prevented from being separated, and the connection firmness is improved. The outer side of the wiper rod 4 is provided with an external thread, the center of the fixed block 6 is provided with an internal thread, and the fixed block 6 is movably connected on the wiper rod 4 through the internal thread and the external thread which are matched in a spiral way. This arrangement facilitates adjustment of the position of the anchor 6 and rubber layer 7 on the swab shaft 4. The fixing block 6 which can move up and down is arranged, the fixing block 6 can move up and down according to the amount of the culture medium in the transfer pipe 1, and the fact that a sample is exposed to the air when the transfer pipe is inclined or inverted is prevented.

In the third embodiment, on the basis of the above embodiments, further, at least one circle of sealing ribs 10 is arranged on the outer side surface of the rubber layer 7, which is in contact with the inner wall of the transfer pipe 1, and the sealing ribs 10 are circumferentially arranged along the outer side surface of the rubber layer 7, wherein the rubber layer 10 is made of rubber, the sealing ribs 10 are integrally formed with the rubber layer 7, in this embodiment, three sealing ribs 10 are provided, and the vertical cross section of each sealing rib 10 is rectangular.

Fourth embodiment, in addition to the above embodiments, stripe projections are further provided on the outer side of the tube cover 3. The protruding vertical cross-section of stripe is rectangle, and the protruding and tube cap 3 integrated into one piece setting of stripe, and the protruding vertical setting of stripe, the stripe arch is a plurality of, and leaves the clearance between every stripe arch, is provided with vertical stripe arch, increases the frictional force between tube cap 3 and the hand, and the application of force of being convenient for is convenient for open tube cap 3.

the utility model provides a detect and transport culture apparatus with bacterium, the device simple structure, the leakproofness is good, can prevent that the sample from exposing in the air, and the sampling swab can be placed temporarily on the transport pipe, and can hold the tube cap in operation process, avoid and the sampling swab between the contact, reduce the emergence probability that the sample pollutes, have stronger practicality, be convenient for extensively promote.

The above examples are merely illustrative for clarity and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. The changes and modifications introduced from this are still within the scope of protection of the invention.

Claims (8)

1. the bacteria transferring and culturing device for detection comprises a transferring pipe (1), a sampling swab (2) and a pipe cover (3), and is characterized in that the sampling swab (2) comprises a swab rod (4) and a sampling head (5), a sealing block (11) is sleeved on the swab rod (4), the sealing block (11) can move up and down along the swab rod (4), when the sampling head (5) extends into the transferring pipe (1), the sealing block (11) and the bottom of the transferring pipe (1) form a structure for sealing the sampling head (5), a rubber block (8) is arranged on the inner side of the pipe cover (3), the size of the rubber block (8) is matched with the size of the inner side of a pipe opening of the transferring pipe (1), a through hole (9) penetrating through the thickness of the rubber block (8) is formed in the center of the rubber block (8), and the top end of the swab rod (4) penetrates through the through hole (9) to be connected with the pipe cover (3), the pipe cover (3) is connected with the pipe orifice of the transfer pipe (1) in a clamping mode through the rubber block (8), and a culture medium is arranged in the transfer pipe (1).

2. The bacteria transferring and culturing device for detection as claimed in claim 1, wherein the sealing block (11) comprises a fixing block (6) and a rubber layer (7) wrapped on the outer side of the fixing block (6), the bottom end of the fixing block (6) is matched with the inside of the transferring tube (1), the upper end of the fixing block (6) is tapered, the outer side of the swab rod (4) is provided with external threads, the center of the fixing block (6) is provided with internal threads, and the fixing block (6) is movably connected to the swab rod (4) through the internal threads and the external threads which are matched in a spiral mode.

3. The bacteria transportation and culture device for detection according to claim 2, wherein at least one circle of sealing ribs (10) is arranged on the outer side surface of the rubber layer (7) contacting with the inner wall of the transportation pipe (1), and the sealing ribs (10) are circumferentially arranged along the outer side surface of the rubber layer (7).

4. The bacteria transfer culture device for detection as claimed in claim 1, wherein the swab rod (4) is a round rod made of medical ABS material.

5. The bacteria transportation culture device for detection according to claim 1, wherein the sampling head (5) is flat made of nontoxic plastic polysulfone hollow fiber.

6. The bacteria transportation culture device for detection according to claim 1, wherein stripe projections (12) are provided on the outer side of the tube cover (3).

7. The bacteria transportation culture device for detection according to claim 1, wherein the outer bottom surface of the transportation tube (1) is a plane.

8. The bacteria transfer culture device for detection according to any one of claims 1 to 7, wherein the length of the transfer tube (1) is adapted to the length of the swab rod (4), so that a gap is left between the sampling head (5) and the inner bottom end face of the transfer tube (1) when the tube cap (3) covers the opening of the transfer tube (1).