CN108998364B - Umbrella frame type environment object table sampling rod - Google Patents
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- CN108998364B CN108998364B CN201810470227.0A CN201810470227A CN108998364B CN 108998364 B CN108998364 B CN 108998364B CN 201810470227 A CN201810470227 A CN 201810470227A CN 108998364 B CN108998364 B CN 108998364B
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Abstract
The invention discloses an umbrella-rib type environmental object meter sampling rod, which comprises a protective cap, a sleeve handle, an umbrella-rib type cotton swab, a tube body and a reagent, wherein the protective cap is arranged on the umbrella-rib type cotton swab; the upper end of the tube body is nested with a sleeve handle; the sleeve handle comprises a reagent storage bin and a sleeve, and a valve communicated with the interior of the tube body is arranged at the bottom of the reagent storage bin; the sleeve penetrates through the reagent storage bin and is fixedly connected with the inner wall of the top of the reagent storage bin, an upper umbrella hub ring is arranged at the bottom of the sleeve, and a plurality of umbrella rib support rods are rotatably connected to the upper umbrella hub ring; the umbrella rib cotton swab is slidably arranged in the sleeve, and the top of the main rod of the umbrella rib cotton swab is connected with a spring; the bottom of the umbrella rib cotton swab is provided with a lower umbrella hub ring which is rotationally connected with an umbrella rib body, the middle part of the umbrella rib body is rotationally connected with an umbrella rib stay bar, and the umbrella rib body is covered with sampling cotton; the reagent is stored in a reagent storage bin; the protective cap is disposed over the cannula handle. The invention can effectively simplify the sampling operation link, reduce pollution factors and is convenient to carry and store.
Description
Technical Field
The invention relates to a tool for sampling microorganisms on the surface of an environmental object, in particular to an umbrella rib type environmental object surface sampling rod with a freely foldable cotton swab head.
Background
The hospital environment, due to various diseases and the mobility of personnel, is constantly exposed to a large number of bacterial contaminations, in particular contaminations of various pathogenic bacteria. Not only pollutes air, but also pollutes the object surface of the whole hospital, such as a sickroom inner bed unit, a curtain, a treatment vehicle, a door handle, a remote controller, office table and chair, a case clip, a stethoscope, other treatment instruments and the like.
According to the relevant national requirements on hospital infection management, the hospital environment object table needs to be cleaned and disinfected regularly, and the cleaning and disinfection effects are detected regularly. The microbial sampling of environmental object surfaces is required to detect the cleaning and disinfection effect of the surfaces in the hospital environment. The requirements in the conventional sampling specification at present are:
a. when the shape of the object to be measured is regular and the surface area is regular>100cm2When in use, a 5cm by 5cm sterilization specification plate is flatly placed on the surface of an object, 1 aseptic eluent cotton swab soaked with corresponding neutralizer is used for uniformly rubbing the aseptic eluent cotton swab in the sterilization specification plate for 5 times in a horizontal and vertical reciprocating manner, the cotton swab is rotated along with the aseptic eluent cotton swab, and the area of 4 specification plates is continuously adopted, so that the total sampling area is equal to l00cm2. When the sampling position of the gauge plate is changed, the gauge plate is clamped by sterile tweezers to move and continuously take. After the smearing is finished, the plaster is cut offThe hand-contacted portion of the swab was hand-picked and the remaining swab head was loaded into a 10mL tube of sterile assay eluent for inspection and submitted.
b. When the surface of the object to be measured is irregular in shape or surface area<100cm2In practice, a cotton swab soaked with a sterile eluant containing the corresponding neutralizing agent is applied directly over the entire surface of the surface. After the smearing, the hand-touched portion of the swab was cut off, and the remaining swab head was placed in a 10mL test tube of sterile assay eluent for inspection.
The traditional sampling tool has the following defects:
1. the sampling procedure is cumbersome. Because the sampling operation specification requires continuous replacement of 4 sampling positions, when a sampling area is defined by using a sterilization specification plate, the sterilization plate must be ensured not to be polluted when the sampling area is replaced, therefore, burning sterilization is often carried out by using alcohol lamp flame in the process of changing the sampling positions, and the operation is inconvenient and unsafe in the operation process.
2. Traditional sampling specification board is made by the stainless steel usually, still needs the sterilization in order to be ready for next use after using up, and not only waste time and energy with high costs, the disinfection thoroughly still causes the pollution to the sampling object easily moreover, influences the purity of sampling sample. Even with a strictly sterile gauge, the operator's hand is likely to contact the sample surface during the delineation of the area, thereby causing contamination.
3. The sterilization gauge plate is not in close contact with the surface of the object to be tested, is not suitable for fixation, and is easy to loosen and generate position deviation during sampling.
4. Smearing sampling of 5-degree reciprocating in a specification board by using a traditional cotton swab often cannot completely cover a sampling area of 5cm by 5cm, so that dead corners are easily formed, and inaccurate sampling is caused.
5. The sampling tool is easily contaminated during carrying and transportation. The sampling personnel need to prepare various tools (test tubes, test tube racks, silica gel plugs, cotton swab sterile normal saline, sterilization gauge plates, scissors, tweezers, alcohol lamps, lighters and the like) required for sampling in advance, particularly the test tubes, the sterile normal saline, the sterilization gauge plates and the cotton swabs need to be kept in a sterile state, and the sterile state is packaged and sealed for later use. The preparation process of related tools is relatively complicated, certain requirements are placed on personnel and equipment in the sterilization process, and special protection measures are needed in the transportation process from a laboratory to a sampling site to avoid crushing, so that the special protection measures are large in occupied space, inconvenient to carry and easy to pollute.
Disclosure of Invention
The invention aims to provide an umbrella-rib type environment object table sampling rod, which is used for solving the problems of complicated sampling and easy pollution of the existing sampling tool.
In order to achieve the purpose, the technical scheme of the invention is that
The umbrella rib type environmental object table sampling rod comprises a protective cap, a sleeve pipe handle, an umbrella rib type cotton swab, a pipe body and a reagent;
the lower end of the tube body seals the upper end opening, and the upper end of the tube body is nested with the sleeve handle;
the sleeve handle comprises a reagent storage bin and a sleeve which penetrates through the inside of the reagent storage bin and extends out of the bottom of the reagent storage bin, and a valve communicated with the inside of the pipe body is arranged at the bottom of the reagent storage bin; the sleeve penetrates through the reagent storage bin and is fixedly connected with the inner wall of the top of the reagent storage bin, an upper umbrella hub ring is arranged at the bottom of the sleeve, and a plurality of umbrella rib support rods are rotatably connected to the upper umbrella hub ring;
the umbrella rib cotton swab is arranged in the sleeve in a sliding mode, the top of a main rod of the umbrella rib cotton swab is connected with a spring, and the spring acts on the inner wall of the top of the reagent storage bin to enable the umbrella rib cotton swab to slide up and down in the sleeve along with the extension direction of the spring; the lower umbrella hub ring is arranged at the bottom of the main rod of the umbrella rib cotton swab and is rotationally connected with an umbrella rib body, the middle part of the umbrella rib body is rotationally connected with an umbrella rib supporting rod, and sampling cotton is covered on the umbrella rib body;
the reagent is stored in a reagent storage bin in the cannula handle;
the protective cap is disposed over the cannula handle.
Preferably, the valve consists of a reagent storage bin bottom plate and a valve ring, the reagent storage bin bottom plate and the valve ring are coaxially arranged, a through hole for a sleeve to pass through is formed in the middle of the reagent storage bin bottom plate, and a notch is formed in the edge of the reagent storage bin bottom plate; the central position of the valve ring is also provided with a through hole for the sleeve to pass through; the edge of the valve ring is also provided with a notch with the same size matched with the bottom plate of the reagent storage bin; meanwhile, the edge of the valve collar is also provided with a groove, the inner wall of the tube body opening is provided with a convex groove, and the groove and the convex groove are matched to realize the relative fixation of the valve collar and the tube body.
Preferably, the grooves are symmetrically arranged at 180 degrees, and the convex grooves matched with the grooves are also arranged at two positions.
Preferably, the agent is sterile physiological saline.
Preferably, 8 notches are uniformly formed in the bottom edges of the outer edges of the upper umbrella hub and the lower umbrella hub, an umbrella rib system is formed by 8 umbrella rib bodies and 8 umbrella rib support rods, the 8 umbrella rib bodies respectively comprise 4 long umbrella rib bodies and 4 short umbrella rib bodies, and when the umbrella ribs are completely unfolded, cotton on the umbrella surface is in a square shape.
Preferably, the long rib body is 3.54cm in length, the short rib body is 2.5cm in length, and when the ribs are fully unfolded, the cotton of the umbrella cover is in a square shape of 5cm x 5 cm.
Preferably, the periphery of the umbrella bone body is wrapped by cotton, and the adjacent umbrella bone bodies are connected by the cotton.
Preferably, the notch at the edge of the bottom plate of the reagent storage bin and the notch at the edge of the valve collar are both arc-shaped hollowed notches.
The invention has the following advantages:
the invention belongs to a laboratory tool for infection management, health supervision and inspection and disease prevention and control in hospitals, which is used for collecting and preserving microorganisms on the surface of an environmental object. The portable sampling device is sterilized and convenient to carry, simplifies the traditional sampling steps, reduces the probability of sample specimen pollution, and improves the working efficiency. Has great practical significance for developing the microorganism sampling of environmental object tables in infection management departments, health supervision departments and disease prevention and control departments of hospitals.
The invention can effectively simplify the sampling operation link, reduce pollution factors and is convenient to carry and store. The cotton swab is fixedly nested in the sleeve handle, during sampling, the sleeve handle is directly held by a hand to sample without contacting the cotton swab part, and after sampling is finished, the sampling tube is directly covered with the cotton swab part, so that the step of shearing the cotton swab is omitted, the step is simplified, the sampling difficulty is reduced, and pollution is avoided; in the sampling process, when the sleeve handle fixed with the cotton swab is taken out, the protective cap is covered on the opening at the upper end of the tube body, so that pollutants can be prevented from entering the tube, flame burning and sterilization by using an alcohol lamp are avoided, and the operation is safer; the design of the valve ring can ensure that the cotton swab and 10ml of sterile normal saline are stored separately before sampling, thereby avoiding premature soaking and influencing the property of the cotton swab head; in sampling, the umbrella ribs are unfolded to form a sampling area of 5cm multiplied by 5cm, the shape and the size of the sampling area are consistent with those of a traditional sterilization standard plate, the requirements of national sampling technical specifications are met, sampling steps are simplified, pollution caused by the use of the traditional sterilization standard plate is avoided, and complicated links of recovery sterilization treatment and sterile storage of the standard plate and manufacturing cost are reduced.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a perspective view of the cannula handle.
Fig. 3 is a schematic view of the construction of the umbrella rib cotton swab.
Fig. 4 is a perspective view of the tube.
Fig. 5 is a schematic view of the operation of the valve.
FIG. 6 is a top view of a reagent storage well bottom plate.
FIG. 7 is a top view of the valve annulus.
Fig. 8 is a side view of the present invention.
Fig. 9 is a side view of the cannula handle.
Fig. 10 is a side view of a tube.
Fig. 11 is a schematic view showing the umbrella rib cotton swab in a closed state.
Fig. 12 is a schematic view showing the expanded state of the umbrella rib cotton swab.
Fig. 13 is a plan view showing the umbrella rib cotton swab in a spread state.
Wherein:
1-protective cap, 2-sleeve handle, 3-tube, 4-umbrella rib cotton swab, 21-reagent storage bin, 22-sleeve, 23-upper umbrella hub, 24-umbrella rib stay, 25-notch, 26-through hole, 27-groove, 31-convex groove, 41-spring, 42-main rod, 43-umbrella rib body, 44-lower umbrella hub.
Detailed Description
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1
Referring to fig. 1, the umbrella-rib type environmental object meter sampling rod disclosed in this embodiment includes a protective cap 1, a sleeve handle 2, an umbrella-rib type cotton swab 4, a tube body 3 and a reagent; the lower end of the tube body 3 is sealed, the upper end of the tube body 3 is provided with an opening, and the upper end of the tube body 3 is nested with the sleeve handle 2; referring to fig. 2, the cannula handle 2 comprises a reagent storage bin 21 and a cannula 22 penetrating through the inside of the reagent storage bin 21 and extending out of the bottom of the reagent storage bin 21, and a valve communicated with the inside of the tube body 3 is arranged at the bottom of the reagent storage bin 21; the sleeve 22 penetrates through the reagent storage bin 21 and is fixedly connected with the inner wall of the top of the reagent storage bin 21, the bottom of the sleeve 22 is provided with an upper umbrella hub ring 23, the upper umbrella hub ring 23 is fixedly embedded at the outer edge of the lowermost end of the sleeve 22, and the upper umbrella hub ring 23 is rotatably connected with a plurality of umbrella rib support rods 24; referring to fig. 3, the umbrella rib cotton swab 4 is slidably mounted in the sleeve 22, the main rod 42 is inserted and nested in the inner wall of the sleeve 22, the top of the main rod 42 of the umbrella rib cotton swab 4 is connected with the spring 41, and the spring 41 acts on the inner wall of the top of the reagent storage bin 21 so that the umbrella rib cotton swab 4 can slide up and down in the sleeve 22 along with the extension direction of the spring 41; the bottom of the umbrella rib cotton swab 4 is provided with a lower umbrella hub ring 44, and the lower umbrella hub ring 44 is fixedly embedded at the outer edge of the lowest end of the umbrella rib cotton swab main rod 42. The lower umbrella hub 44 is rotatably connected with an umbrella frame body 43, the middle part of the umbrella frame body 43 is rotatably connected with an umbrella frame stay bar 24, and the umbrella frame body 43 is covered with sampling cotton; the reagent is stored in a reagent storage bin 21 in the casing handle 2, the reagent storage bin 21 is a tubular cylinder with the diameter of 2cm and the height of 5cm, and the top end of the cylinder is completely sealed; the protective cap 1 is arranged above the cannula handle 2. The reagent is 10ml of sterile physiological saline.
Example 2
Referring to fig. 5 to 7, the technical solution disclosed in this embodiment is substantially the same as that in embodiment 1, except that in this embodiment, the valve is composed of a reagent storage bin bottom plate and a valve ring, the reagent storage bin bottom plate and the valve ring are coaxially arranged, a through hole 26 with a diameter of 0.4cm for the sleeve 22 to pass through is formed in the middle of the reagent storage bin bottom plate, and a notch 25 is formed in the edge of the reagent storage bin bottom plate; the valve ring is a circular sheet with the diameter of 1.8cm and the thickness of 0.2cm, a through hole 26 with the diameter of 0.4cm is also arranged at the center of the circular sheet for the sleeve 22 to pass through, meanwhile, the edge of the valve ring is also provided with a groove 27, as shown in fig. 4 and 10, the inner wall of the tube body opening is provided with a convex groove 31, and the groove 27 is matched with the convex groove 31 to realize the relative fixation of the valve ring and the tube body 3; the edge of the valve ring is also provided with a notch 25 which is matched with the bottom plate of the reagent storage bin and has the same size. When the sleeve 22 is inserted into the tube 3, the corresponding convex groove on the inner wall of the tube body can be embedded into the groove 27 on the edge of the valve ring, so as to fix the relative position of the tube 3 and the valve ring, and then the overlapping position of the gap area on the bottom surface of the reagent storage bin and the gap area on the valve ring is adjusted by rotating the sleeve handle 2, so as to realize the opening and closing of the valve. When the two gap areas are not overlapped, the valve is in a closed state, and the reagent is stored in the reagent storage bin 21; when the two gap areas are overlapped, the valve is in an open state, and the reagent passes through the overlapped gap holes under the action of gravity and flows into the tube body 3 from the reagent storage bin 21. The sleeve 22 of the sleeve handle 2 is a tubular cylinder with the diameter of 0.4cm and the height of 10cm, the upper end and the lower end of the sleeve are both open, the upper end of the sleeve is hermetically bonded with the center position of the inner wall of the top end of the shell of the sleeve handle 2, and the sleeve 22 vertically penetrates through the reagent storage bin 21, the bottom surface of the shell and the valve ring along the central axis position.
In a further technical scheme of this embodiment, the notch at the edge of the bottom plate of the reagent storage bin and the notch at the edge of the valve collar are both arc-shaped hollowed notches.
In a further technical solution of this embodiment, the grooves 27 are symmetrically arranged at 180 degrees, and the number of the convex grooves 31 matching with the grooves 27 is two.
All components of the umbrella frame type environment object table sampling rod are made of plastic materials, and cotton on the head of the cotton swab is soaked in sterile physiological saline water before assembly, so that the cotton swab is kept in a wet state. The valve ring is closed to seal the reagent in the reagent storage chamber 21. And after the assembly is finished, the product is aseptically packaged and is disposable.
Example 3
Referring to fig. 11 to 13, the technical solution disclosed in this embodiment is substantially the same as that in embodiment 1, except that in this embodiment, 8 notches are uniformly formed on the bottom edges of the outer edges of the upper umbrella hub 23 and the lower umbrella hub 44, an umbrella frame system is formed by 8 umbrella frame bodies 43 and 8 umbrella frame support rods 24, the 8 umbrella frame bodies 43 respectively include 4 long umbrella frame bodies and 4 short umbrella frame bodies, and when the umbrella frames are completely unfolded, the cotton of the umbrella cover is square. Specifically, the length of the long umbrella rib body is 3.54cm, the length of the short umbrella rib body is 2.5cm, and when the umbrella ribs are completely unfolded, the cotton on the umbrella surface is in a square shape of 5cm x 5 cm. The periphery of the umbrella frame body is wrapped by cotton, and the adjacent umbrella frame bodies are connected by the cotton.
Although the umbrella cover is disclosed as a square shape of 5cm by 5cm when the umbrella ribs are fully unfolded in the embodiment, in practical application, the umbrella cover is not limited to the square shape, and can be designed into a round shape or other shapes in practical use and manufacture, and only the unfolded sampling area is ensured to be 25cm2And (4) finishing.
The use method of the invention comprises the following steps:
1. opening the sterile package, holding and taking down the protective cap 1 at the top end of the sampling rod by using the little finger and the hypothenar of the palm, turning over the wrist, gripping the sleeve handle 2 by using the thumb and the forefinger of the same hand, extracting the umbrella rib cotton swab 4, and covering the protective cap 1 held by the little finger and the hypothenar on the pipe orifice to avoid the pollution to the inside of the pipe body in the sampling process.
2. The thumb and the forefinger hold the sleeve handle 2 to directly sample the object table:
a. when the shape of the object to be measured is regular and the surface area is regular>100cm2When the umbrella rib cotton swab 4 is vertically placed at a sampling point, the sleeve handle 2 is pressed downwards with force, the spring 41 in the sleeve 22 is extruded under the action of external force, the upper umbrella hub 23 fixed at the lower end of the sleeve 22 moves towards the lower umbrella hub 44 along the cotton swab main rod 42, then the umbrella ribs are unfolded under the action of the umbrella rib supporting rods 24, cotton attached to the umbrella rib body 43 forms a 5 cm-5 cm square sampling area of a standard plate around the sampling point, and the cotton is in touch sampling with an object table in the sampling area. When removed outsideWhen the force is applied, the umbrella ribs are gradually folded along with the restoration of the shape of the spring 41, thereby completing the sampling of the area of the standard specification plate. The sampling point is then replaced and the above operation is repeated. The 4 gauge panel areas were taken consecutively so that the total sampling area was equal to l00cm2。
b. When the surface of the object to be measured is irregular in shape or surface area<100cm2When in use, the surface of an object to be sampled is directly smeared by the 4 heads of the umbrella rib cotton swabs, and then the cotton swabs are rotated to complete the sampling of the whole object surface.
3. After sampling, the protective cap 1 is held and taken down by the small thumb and the small thenar, the wrist is turned over, the sampled umbrella rib cotton swab 4 is inserted into the tube body 3, and the convex groove 31 on the inner wall of the tube body opening is embedded into the groove 27 of the valve collar. Then the sleeve handle 2 is rotated, when the hollow area at the bottom of the reagent storage bin 21 is overlapped with the hollow area of the valve collar, the valve is changed into an open state, the reagent in the reagent storage bin 21 enters the tube body through the hollow hole, and the umbrella rib cotton swab head 4 is soaked.
4. And (4) vibrating the sampling rod forcibly, and timely inspecting the whole umbrella rib type object table sampling rod.
The technical solutions protected by the present invention are not limited to the above embodiments, and it should be noted that the combination of the technical solution of any one embodiment and the technical solution of one or more other embodiments is within the protection scope of the present invention.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The umbrella-rib type environmental object meter sampling rod is characterized by comprising a protective cap (1), a sleeve handle (2), an umbrella-rib type cotton swab (4), a tube body (3) and a reagent;
the lower end of the tube body (3) is sealed, the upper end of the tube body (3) is provided with an opening, and the upper end of the tube body (3) is nested with the sleeve handle (2);
the sleeve handle (2) comprises a reagent storage bin (21) and a sleeve (22) which penetrates through the inside of the reagent storage bin (21) and extends out of the bottom of the reagent storage bin, and a valve communicated with the inside of the pipe body (3) is arranged at the bottom of the reagent storage bin (21); the sleeve (22) penetrates through the reagent storage bin (21) and is fixedly connected with the inner wall of the top of the reagent storage bin (21), the bottom of the sleeve (22) is provided with an upper umbrella hub ring (23), and the upper umbrella hub ring (23) is rotatably connected with a plurality of umbrella rib support rods (24);
the umbrella rib cotton swab (4) is arranged in the sleeve (22) in a sliding mode, the top of a main rod (42) of the umbrella rib cotton swab (4) is connected with a spring (41), and the spring (41) acts on the inner wall of the top of the reagent storage bin (21) to enable the umbrella rib cotton swab (4) to slide up and down in the sleeve (22) along with the telescopic direction of the spring (41); a lower umbrella hub ring (44) is arranged at the bottom of a main rod of the umbrella rib cotton swab (4), the lower umbrella hub ring (44) is rotatably connected with an umbrella rib body (43), the middle part of the umbrella rib body (43) is rotatably connected with an umbrella rib stay bar (24), and the umbrella rib body (43) is covered with sampling cotton;
the reagent is stored in a reagent storage compartment (21) in the cannula handle;
the protective cap (1) is arranged above the sleeve handle (2);
the protective cap (1), the sleeve handle (2) and the tube body (3) are all made of plastic materials.
2. The umbrella rib-type environment object surface sampling wand of claim 1,
the valve consists of a reagent storage bin bottom plate and a valve ring, the reagent storage bin bottom plate and the valve ring are coaxially arranged, a through hole (26) for a sleeve to pass through is formed in the middle of the reagent storage bin bottom plate, and a notch (25) is formed in the edge of the reagent storage bin bottom plate; the central position of the valve ring is also provided with a through hole (26) for the sleeve to pass through; the edge of the valve ring is also provided with a notch (25) which is matched with the bottom plate of the reagent storage bin and has the same size; meanwhile, the edge of the valve ring is also provided with a groove (27), the inner wall of the opening of the tube body is provided with a convex groove (31), and the groove (27) is matched with the convex groove (31) to realize the relative fixation of the valve ring and the tube body (3).
3. The umbrella rib-type environment object surface sampling wand of claim 2,
the notch at the edge of the bottom plate of the reagent storage bin and the notch at the edge of the valve collar are both arc-shaped hollow notches.
4. The umbrella rib-type environment object surface sampling wand of claim 2,
the grooves (27) are arranged at two positions symmetrically at 180 degrees, and the convex grooves (31) matched with the grooves (27) are also arranged at two positions.
5. The umbrella rib-type environmental object surface sampling wand of claim 1, wherein the agent is sterile saline.
6. The umbrella rib-type environment object surface sampling wand of claim 1,
the umbrella is characterized in that 8 notches are uniformly formed in the bottom edges of the outer edges of the upper umbrella hub ring (23) and the lower umbrella hub ring (44), an umbrella rib system is formed by 8 umbrella rib bodies (43) and 8 umbrella rib support rods (24), the 8 umbrella rib bodies (43) respectively comprise 4 long umbrella rib bodies and 4 short umbrella rib bodies, and when the umbrella ribs are completely unfolded, cotton on the umbrella surface is square.
7. The umbrella rib-type environment object surface sampling wand of claim 6,
the length of the long umbrella rib body is 3.54cm, the length of the short umbrella rib body is 2.5cm, and when the umbrella ribs are completely unfolded, the cotton on the umbrella surface is in a square shape of 5cm x 5 cm.
8. The umbrella rib-type environment object surface sampling wand of claim 6,
the periphery of the umbrella frame body (43) is wrapped by cotton, and the adjacent umbrella frame bodies are connected by the cotton.
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| CN111407323B (en) * | 2020-04-03 | 2022-11-01 | 山东博冠生物技术有限公司 | Infection-preventing throat swab |
| TWI797964B (en) * | 2022-01-19 | 2023-04-01 | 光大科技股份有限公司 | Specimen collection device |
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| CN202643698U (en) * | 2012-05-15 | 2013-01-02 | 左壮 | Hospital disinfecting sanitation biological monitoring sampling tube |
| CN204474672U (en) * | 2015-03-15 | 2015-07-15 | 王丹琪 | A set of device for sampling microorganisms from surface of object |
| CN208328013U (en) * | 2018-05-16 | 2019-01-04 | 华中科技大学同济医学院附属协和医院 | Umbrella rib type environment object table sampling rod |
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