CN114903531B - Saliva microecological specimen collecting device and method - Google Patents
Saliva microecological specimen collecting device and method Download PDFInfo
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- CN114903531B CN114903531B CN202210532176.6A CN202210532176A CN114903531B CN 114903531 B CN114903531 B CN 114903531B CN 202210532176 A CN202210532176 A CN 202210532176A CN 114903531 B CN114903531 B CN 114903531B
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- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/0045—Devices for taking samples of body liquids
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Abstract
The utility model relates to a little ecological sample collection system of saliva and collection method thereof, it relates to the field that medical treatment detected, it includes collection appearance body and sampling test rod, the collection appearance body includes casing and cap, still include the cage, the cage sets up in the casing, a lateral wall of cage is equipped with the sampling hole, another lateral wall of cage is equipped with the lift hole, the one end of sampling test rod slides and connects in the sampling hole, the other end of sampling test rod slides and connects in the lift hole, be equipped with the adjusting part that is used for driving sampling test rod to slide along self axial in the casing, be equipped with the hole sealing subassembly that is used for the shutoff sampling hole on the cage. This application has the effect of avoiding influencing the precision of examining the result to saliva, need not the secondary and detects, has improved detection efficiency and detection precision.
Description
Technical Field
The application relates to the field of medical detection, in particular to a saliva micro-ecological sample collecting device and a collecting method thereof.
Background
The salivary micro-ecology refers to bacteria, fungi, mycoplasma, protozoa, viruses, etc. which are present in the oral cavity. Saliva contains more than 700 microorganisms, the microecological imbalance of the saliva is one of the pathogenic factors of various systemic diseases of the whole body, and the analysis of the components of the saliva is helpful for diagnosing some diseases.
At present, saliva samples are mainly collected in the following two collection modes, wherein one collection mode is that a medical worker stretches an oral cavity scraper into the oral cavity of a subject to pick up saliva; another way to collect the test substance is to put the test substance in a tube after the test substance has been fasted and deprived of water for a certain period of time, and then to perform a microbiological test.
However, in the two collection modes, the collected saliva is exposed in the outside air, so that the microecology of the saliva is different from that of the saliva in the oral cavity, and the accuracy of the detection result of the microecology of the saliva is influenced.
Disclosure of Invention
In order to improve the accuracy of the saliva microecological detection result, the application provides a saliva microecological sample collection device and a collection method thereof.
First aspect, the application provides a little ecological sample collection system of saliva adopts following technical scheme:
the utility model provides a little ecological sample collection system of saliva, includes collection appearance body and sampling test rod, it includes casing and cap to gather the appearance body, still includes the cage, the cage sets up in the casing, a lateral wall of cage is equipped with the sampling hole, another lateral wall of cage is equipped with the lift hole, the one end of sampling test rod is slided and is connected in the sampling hole, the other end of sampling test rod slides and connects in the lift hole, be equipped with in the casing and be used for the drive the regulating assembly that self axial slided is followed to the sampling test rod, be equipped with on the cage and be used for the shutoff the hole sealing subassembly of sampling hole.
Through adopting above-mentioned technical scheme, during the sampling, open the cap, then utilize adjusting part drive sampling test stick to slide along self axial, so that stretch out the suitable position outside the casing with the sampling end of sampling test stick, can stretch into the oral cavity collection saliva of testee with the sampling end of sampling test stick this moment, after the collection is accomplished, the sampling end of sampling test stick is in when the testee oral cavity, utilize adjusting part drive sampling test stick to slide along self axial, make the sampling end of sampling test stick stretch into in the cage, then utilize hole sealing subassembly shutoff sampling hole, help avoiding in the air admission cage and to the precision of the testing result of the saliva of influence to gathering.
In a specific practical implementation scheme, the adjusting assembly comprises an electromagnet, a permanent magnet and a return spring, the electromagnet is arranged on the inner wall of the shell, the permanent magnet is arranged on the side wall of the sampling test rod far away from the sampling end of the sampling test rod, the return spring is arranged between the electromagnet and the opposite side wall of the permanent magnet, and the side wall of the shell is provided with a switch for controlling the electromagnet to be opened and closed.
By adopting the technical scheme, the switch is pressed down to switch on the electromagnet, so that the electromagnet generates an electromagnetic field, the permanent magnet drives the sampling test bar to approach the electromagnet, and the sampling end of the sampling test bar is conveniently extended into the isolation cover; when the electromagnet is powered off, the magnetic field force of the electromagnet disappears, the permanent magnet is pushed to approach in the direction away from the electromagnet by the elastic resetting force of the resetting spring, so that the sampling end of the sampling test rod penetrates through the sampling hole, and the saliva of a subject is conveniently collected.
In a specific can implement scheme, the articulated cleaning door that is connected with of lateral wall of casing, the sampling test rod pass through the connecting piece with the permanent magnet links to each other, the connecting piece includes inserted block and locking block, the inserted block sets up on the permanent magnet, the locking block with the inserted block links to each other, be equipped with the confession on the lateral wall of sampling test rod inserted slot of inserted block, the lateral wall of sampling test rod is equipped with the confession locking block male locking groove, the cell wall of locking groove is equipped with the confession locking block male constant head tank.
By adopting the technical scheme, the inserting block is inserted into the inserting slot, the locking block is inserted into the locking slot, and then the sampling test rod is rotated, so that the locking block is rotated into the positioning slot, and the detachable connection between the permanent magnet and the sampling test rod is realized; on the contrary, when the sampling test bar needs to be separated from the permanent magnet, the sampling test bar is rotated to enable the locking block to rotate from the positioning groove to the inside of the locking groove, then the sampling test bar is moved towards the direction away from the permanent magnet, so that the locking block can be taken out from the inside of the locking groove, and meanwhile, the insertion block can be taken out from the slot; the setting of clearance door makes things convenient for personnel to dismantle the sampling test bar from the permanent magnet, and then conveniently takes out the cage from the casing to saliva to gather detects.
In a specific implementation scheme, a positioning assembly used for fixing the sampling test rod is arranged in the isolation cover, the positioning assembly comprises a supporting plate, a positioning shaft and a plurality of positioning plates, the supporting plate is arranged on the side wall of the sampling test rod, the axial direction of the positioning shaft is the same as the axial direction of the sampling test rod, one end of the positioning shaft penetrates through the side wall of the isolation cover and extends out of the side wall of the shell, the plurality of positioning plates are arranged at equal intervals along the axial direction of the positioning shaft, the plurality of positioning plates are arranged along the circumferential array of the positioning shaft, and the supporting plate and one of the positioning plates are arranged oppositely.
Through adopting above-mentioned technical scheme, the location axle rotates, make one of them locating plate aim at the extension board, drive the sampling test stick to slide to the sampling hole direction as the permanent magnet, and the extension board butt when on one of them locating plate, the location of stretching out the outer length of sampling hole to the sampling test stick has been realized, and the setting of a plurality of locating plates, so that select the locating plate that corresponds according to the oral cavity size of testee, the sampling end that helps avoiding the sampling test stick stretches out the outer distance overlength of sampling hole, when leading to withdrawing the sampling end of sampling test stick in the cage, the sampling end contacts with the air for a long time, fix a position the position of extension board through the locating plate, avoid the sampling end of sampling test stick to influence the accuracy to saliva testing result with the air contact for a long time as far as possible.
In a specific possible implementation scheme, the isolation cover is detachably connected in the housing, the side walls of the housing and the isolation cover are respectively provided with a corresponding transparent glass window, the side wall of the isolation cover, which is located at the lifting hole, is provided with a dismounting hole for the positioning plate to pass through, the hole wall of the dismounting hole is provided with a sealing expansion ring, the outer ring wall of the sealing expansion ring is connected with the hole wall of the dismounting hole, and the inner ring walls of the sealing expansion ring are attached to each other.
By adopting the technical scheme, due to the arrangement of the transparent glass window, personnel can conveniently and quickly rotate the required positioning plate to the position corresponding to the support plate; due to the arrangement of the dismounting holes, the isolation cover is convenient to dismount, and meanwhile, the positioning plate penetrates through the dismounting holes, so that the isolation cover is convenient to dismount stably; and the sealing telescopic ring has good flexibility and sealing effect, so that when the sampling end is positioned in the isolation hood, the inner ring wall of the sealing telescopic ring is tightly attached, the sealing of the dismounting hole is realized, and the air is prevented from entering the isolation hood through the dismounting hole.
In a specific implementation scheme, the shield is located enclose between the lateral wall of lift hole and the inside wall of casing and be formed with the rod and collect the room, the casing is located the lateral wall of rod collection room is equipped with pneumatic clamping jaw, two clamp fingers of pneumatic clamping jaw all are connected with the cutter, the sampling test rod is located two between the cutter.
Through adopting above-mentioned technical scheme, the back is accomplished in the sampling, when the sampling end with the sampling test bar withdraws the cage in the back, starts pneumatic clamping jaw, and two clamp fingers of pneumatic clamping jaw are close to each other, and then cut off the sampling test bar through the cutter to personnel take out the cage from the casing fast, have improved sampling efficiency.
In a specific implementation scheme, a sealing assembly used for sealing a gap between the sampling test rod and the wall of the lifting hole is arranged in the rod collecting chamber, the sealing assembly comprises a hot melt adhesive plate, an electric heating plate, a lifting wedge block, a linkage wedge block, a sliding seat, a feeding shaft and a rotating shaft, the hot melt adhesive plate is arranged on the side wall, close to the lifting hole, of the isolation cover in an adhesive mode, the electric heating plate abuts against the hot melt adhesive plate, and the lifting wedge block is arranged on the side wall, far away from the hot melt adhesive plate, of the electric heating plate;
the linkage wedge block is connected with the lifting wedge block in a sliding manner, the opposite side walls of the linkage wedge block and the lifting wedge block are respectively provided with a guide wedge surface for lifting the lifting wedge block, the lifting wedge block and the linkage wedge block are connected on the sliding seat in a sliding manner, and the sliding directions of the lifting wedge block and the linkage wedge block are opposite;
one end of the feed shaft is connected with the side wall of the sliding seat, the other end of the feed shaft extends out of the side wall of the shell, a threaded hole penetrates through the feed shaft along the axial direction of the feed shaft, the rotating shaft is in threaded connection with the hole wall of the threaded hole, one end of the rotating shaft penetrates through the side wall of the sliding seat and is rotatably connected with the linkage wedge block, and a handle is arranged at the other end of the rotating shaft.
By adopting the technical scheme, in order to further enhance the sealing effect of the isolation cover, after the sampling test bar is cut off, the two clamping fingers of the pneumatic clamping jaw are close to each other, the electromagnet is electrified at the same time, and the electromagnet generates an electromagnetic field, so that the permanent magnet drives the cut-off sampling test bar to be close to the electromagnet; then the personnel promote the slide through the feed shaft and slide, when the electric heating board on the lifting wedge block aims at the hot melt adhesive plate, rotate the rotation axis, promote horizontal wedge block through the rotation axis and slide to vertical wedge block direction, so that the electric heating board aims at the hot melt adhesive plate, again with the circular telegram of electric heating board, the electric heating board produces the heat and heats the hot melt adhesive plate, the hot melt adhesive plate is heated to melt and flows to the pore wall in sampling test rod and lift hole, treat the hot melt adhesive plate cooling solidification back, realized the shutoff to the gap between sampling test rod lateral wall and the lift hole pore wall.
In a specific possible embodiment, the hole sealing assembly comprises two oppositely arranged sealing plates, the two sealing plates are hinged to the side wall of the shell, located on the sampling hole, through torsion springs, a flexible pad is adhered to the hole wall of the sampling hole, one end, far away from the sampling hole, of the flexible pad is adhered to the side wall of the sealing plate, and magnetic soft pads are arranged on opposite side walls of the two sealing plates;
the sealing structure is characterized in that two push rods in one-to-one correspondence with the two sealing plates are arranged on two side walls of the shell in a sliding mode respectively, top holes for the push rods to slide are formed in the side walls of the shell, telescopic holes for the push rods to slide are formed in the side walls of the isolation covers, one ends of the push rods penetrate through the telescopic holes and abut against the side walls of the sealing plates, elastic convex blocks are arranged on the side walls of the push rods, grooves matched with the elastic convex blocks are formed in the hole walls of the telescopic holes, and the other ends of the push rods penetrate through the top holes and extend out of the side walls of the shell.
By adopting the technical scheme, the sealing plates are pushed to rotate towards the direction of the sampling hole through the push rod until the magnetic soft pads on the opposite side walls of the two sealing plates are mutually attached, the elastic clamping blocks are clamped and embedded in the grooves, so that the magnetic soft pads on the two sealing plates are tightly attached, and the sealing of the sampling hole is realized; utilize the space of the articulated junction between flexible pad shutoff closing plate and the casing lateral wall simultaneously, further strengthened the sealed effect to the sampling hole, help avoiding in the air admission cage and influence the result precision to saliva detection.
In a specific implementation scheme, a fixing plate is arranged on the outer side wall of the shell, a thimble is slidably arranged on the fixing plate, the thimble penetrates through the fixing plate and abuts against the push rod, and the thimble is connected with the fixing plate through a return spring.
By adopting the technical scheme, the ejector pin is stably kept at one side outside the shell by the return spring, and when the push rod needs to be pushed, the push rod is pushed by the ejector pin to extend into the isolation cover, so that the magnetic soft pads on the two sealing plates are tightly attached; and through in pushing the push rod into the cage, conveniently take out the cage from the casing.
In a second aspect, the present application provides a collection method for a saliva micro-ecological sample collection device, which adopts the following technical scheme:
a collection method of a saliva microecological specimen collection device comprises the following steps:
the shell cover is opened, and the sampling end of the sampling rod body is driven to penetrate through the sampling hole by the adjusting assembly;
extending the sampling end of the sampling test bar into the oral cavity of a subject to sample;
after sampling is finished, the sampling test bar is driven by the adjusting component to move from the oral cavity of the subject to the inside of the isolation cover;
after the sampling test rod is moved into the isolation cover, the automatic hole sealing assembly is used for sealing the sampling hole, and sampling is completed.
Through adopting above-mentioned technical scheme, slide along self axial through adjusting part drive sampling test stick for in the sampling end of sampling test stick stretched into the cage, recycle hole sealing subassembly shutoff sampling hole, help preventing in the air admission cage and to the influence to the precision of the saliva testing result of gathering, avoid as far as possible to the testee secondary sampling, improved detection efficiency and detection precision.
In summary, the present application includes at least one of the following beneficial technical effects:
1. after sampling is finished, the adjusting assembly is used for driving the sampling test rod to slide along the axial direction of the sampling test rod, so that the sampling end of the sampling test rod extends into the isolation cover, and then the hole sealing assembly is used for sealing the sampling hole, thereby being beneficial to preventing air from entering the isolation cover and influencing the accuracy of the detection result of the collected saliva;
2. the arrangement of the plurality of positioning plates is convenient for selecting the corresponding positioning plate according to the size of the oral cavity of a subject, which is helpful for avoiding that the accuracy of a saliva detection result is influenced by the fact that saliva is contacted with air for a long time when the sampling end of the sampling test stick is retracted into the isolation cover due to the overlong distance of the sampling end of the sampling test stick extending out of the sampling hole;
3. the electric heating plate is electrified, the electric heating plate generates heat and heats the hot melt adhesive plate, the hot melt adhesive plate is heated to melt and flows to the hole walls of the sampling test bar and the lifting hole, after the hot melt adhesive plate is cooled and solidified, the gap between the side wall of the sampling test bar and the hole wall of the lifting hole is sealed, and the sealing effect on the isolation cover is enhanced.
Drawings
Fig. 1 is a schematic overall structure diagram of a saliva micro-ecological sample collection device in an embodiment of the present application.
Fig. 2 isbase:Sub>A sectional view taken along the linebase:Sub>A-base:Sub>A in fig. 1.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is a schematic structural diagram of a positional relationship between the insertion block, the locking block and the permanent magnet in the embodiment of the present application.
FIG. 5 is a schematic diagram of the positional relationship among the slot, the locking groove and the positioning groove in the embodiment of the present application.
Fig. 6 is a cross-sectional view taken along the plane B-B in fig. 1.
Fig. 7 is an enlarged view of fig. 2 at B.
Fig. 8 is an enlarged view at C in fig. 2.
Fig. 9 is an enlarged view at D in fig. 2.
Description of the reference numerals: 1. a housing; 2. a shell cover; 3. an isolation cover; 4. a sampling hole; 5. a lifting hole; 6. an adjustment assembly; 61. an electromagnet; 62. a permanent magnet; 63. a return spring; 64. a switch; 7. cleaning the door; 8. a connecting member; 81. inserting a block; 82. a locking block; 83. a slot; 84. a locking groove; 85. positioning a groove; 9. a positioning assembly; 91. a support plate; 92. positioning the shaft; 93. positioning a plate; 10. a transparent glass window; 11. disassembling the hole; 12. sealing the telescopic ring; 13. a bar collecting chamber; 14. a pneumatic clamping jaw; 141. a cutter; 15. a seal assembly; 151. hot-melting the rubber plate; 152. an electrical heating plate; 153. lifting wedge blocks; 1531. a dovetail groove; 154. Linkage wedge blocks; 1541. a dovetail block; 155. a slide base; 156. a feed shaft; 157. a rotating shaft; 158. a threaded hole; 159. a handle; 16. a hole sealing component; 161. a sealing plate; 162. a flexible pad; 163. a magnetic cushion; 164. a push rod; 165. a top hole; 166. a telescopic hole; 167. an elastic bump; 168. a groove; 17. a fixing plate; 18. a thimble; 19. a return spring; 20. sampling a test bar; 21. a lap ring plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-9.
The embodiment of the application discloses a little ecological sample collection system of saliva. Refer to fig. 1 and fig. 2, saliva microecological sample collection system is including gathering appearance body and sampling test rod 20, it includes casing 1 and cap 2 to gather the appearance body, 2 joints of cap are connected on casing 1, be equipped with cage 3 in the casing 1, sampling test rod 20 slides and connects on cage 3, cage 3 is equipped with sampling hole 4 towards the lateral wall of cap 2, sampling hole 4 is used for supplying the sampling end of sampling test rod 20 to pass, the lateral wall that cage 2 was kept away from to cage 3 is equipped with lift hole 5, the central axis of lift hole 5 and the central axis collineation of sampling hole 4, the one end that its sampling end was kept away from to sampling test rod 20 passes lift hole 5, be equipped with the adjusting part 6 that is used for driving sampling test rod 20 to slide along self axial in the casing 1, be equipped with the hole sealing subassembly 16 that is used for shutoff sampling hole 4 on the cage 3.
During sampling, the shell cover 2 is taken down, and then the sampling test bar 20 is driven by the adjusting component 6 to slide along the axial direction of the sampling test bar, so that the sampling end of the sampling test bar 20 penetrates through the sampling hole 4, and the sampling end of the sampling test bar 20 is extended into the oral cavity of a subject to collect saliva; after the collection is completed, the sampling end of the sampling test bar 20 is continuously kept in the oral cavity of the subject, meanwhile, the sampling test bar 20 is driven by the adjusting component 6 to slide along the self axial direction, so that after the sampling end of the sampling test bar 20 moves into the isolation cover 3, the saliva collection of the subject is completed, finally, the hole sealing component 16 is used for sealing the sampling hole 4, the contact time of the saliva collected on the sampling test bar 20 and air is reduced, the accuracy of a microecological detection result of the saliva is improved, the secondary sampling of the subject is avoided, and the device is energy-saving and environment-friendly.
Referring to fig. 2, in this embodiment, an overlapping ring plate 21 for supporting the isolation hood 3 is disposed on an inner side wall of the housing 1, a bottom wall of the isolation hood 3 is detachably connected to the overlapping ring plate 21, and when a sampling end of the sampling test stick 20 extends into the isolation hood 3, the isolation hood 3 is directly taken out, so as to detect saliva collected on the sampling test stick 20; in addition, the shell body 1 and the shell cover 2 can be disinfected so as to be convenient for recycling and save resources.
Referring to fig. 2 and 3, the adjusting assembly 6 includes an electromagnet 61, a permanent magnet 62 and a return spring 63, the electromagnet 61 is fixedly disposed on the inner bottom wall of the housing 1, the permanent magnet 62 is detachably connected to the side wall of the sampling test rod 20 away from the sampling end thereof, the return spring 63 is disposed between the electromagnet 61 and the opposite side walls of the permanent magnet 62, and the side wall of the housing 1 is provided with a switch 64 for controlling the electromagnet 61 to open and close; the switch 64 is pressed down, the power supply of the electromagnet 61 is turned off, the magnetic field of the electromagnet 61 disappears, at the moment, the permanent magnet 62 is pushed to slide towards the direction far away from the electromagnet 61 by the elastic resetting force of the resetting spring 63, and then the sampling test rod 20 is pushed to slide towards the direction close to the sampling hole 4, so that the sampling end of the sampling test rod 20 passes through the sampling hole 4; the switch 64 is pressed down, the power supply of the electromagnet 61 is started, the electromagnet 61 generates an electromagnetic field, the permanent magnet 62 drives the sampling test rod 20 to move towards the electromagnet 61, the return spring 63 is compressed at the moment, and finally the sampling end of the sampling test rod 20 extends into the isolation cover 3; by adopting the adjusting mode, the position of the sampling test bar 20 can be quickly adjusted, and the efficiency of saliva acquisition of a testee is improved.
Referring to fig. 1 and 3, in order to facilitate taking out the shielding case 3 from the housing 1, in the present embodiment, a cleaning door 7 is hinged to a side wall of the housing 1, and the sampling test bar 20 is connected to the permanent magnet 62 through a connecting member 8.
Referring to fig. 3, 4 and 5, the connecting member 8 includes an insertion block 81 and a locking block 82, the insertion block 81 is connected to the sidewall of the permanent magnet 62 far away from the return spring 63, the locking block 82 is connected to the insertion block 81, the sidewall of the sampling test rod 20 far away from the sampling end is provided with a slot 83 for the insertion of the insertion block 81, the sidewall of the sampling test rod is provided with a locking slot 84 for the insertion of the locking block 82, the locking slot 84 is communicated with the slot 83, one side of the slot wall of the locking slot 84 far away from the notch thereof is provided with a positioning slot 85, the positioning slot 85 is arranged in an arc shape, the positioning slot 85 is communicated with the slot 83, and the positioning slot 85 is used for the insertion of the locking block 82;
during installation, the cleaning door 7 is opened, the inserting block 81 is aligned to the inserting groove 83, the locking block 82 is aligned to the locking groove 84, the inserting block 81 is inserted into the inserting groove 83, the locking block 82 is inserted into the locking groove 84, the sampling test rod 20 is rotated, the locking block 82 is rotated into the positioning groove 85 from the locking groove 84, and connection between the sampling test rod 20 and the permanent magnet 62 is achieved;
on the contrary, rotate sampling test rod 20 for locking block 82 is rotated to locking groove 84 in by constant head tank 85, then keeps away from sampling test rod 20 with permanent magnet 62, so that take out inserted block 81 from slot 83, takes out locking block 82 from locking groove 84 simultaneously, has finally realized the separation of sampling test rod 20 with permanent magnet 62, can take out cage 3 from casing 1 this moment.
Referring to fig. 2, because the permanent magnet 62 on the sampling test rod 20 is connected with the electromagnet 61 through the return spring 63, and further the length of the sampling test rod 20 penetrating through the sampling hole 4 is a fixed value, the sampling test rod 20 is used for collecting saliva for children, compared with the sampling test rod 20 for collecting saliva for adults, the sampling test rod 20 is retracted into the isolation cover 3 for a longer length, and further the contact time between the saliva collected at the sampling end of the sampling test rod 20 and air is prolonged.
Therefore, in order to be directed at different crowds, the length of the sampling test rod 20 extending out of the sampling hole 4 needs to be adjusted, in this embodiment, a positioning assembly 9 for fixing the sampling test rod 20 is arranged in the isolation hood 3, the positioning assembly 9 includes a support plate 91, a positioning shaft 92 and a plurality of positioning plates 93, the support plate 91 is horizontally arranged on the side wall of the sampling test rod 20, the axial direction of the positioning shaft 92 is the same as the axial direction of the sampling test rod 20, one end of the positioning shaft 92 passes through the side wall of the isolation hood 3 and extends out of the side wall of the housing 1, the other end of the positioning shaft 92 is located in the isolation hood 3, in this embodiment, the number of the plurality of positioning plates 93 is two as an example, two positioning plates 93 are all arranged in the side wall of the isolation hood 3 at the positioning shaft 92, two positioning plates 93 are arranged along the axial array of the positioning shaft 92, and two positioning plates 93 are arranged along the circumferential array of the positioning shaft 92, and two positioning plates 93 are arranged horizontally.
For example, one of the positioning plates 93 is set to correspond to the size of the sampling test stick 20 extending out of the sampling hole 4 for fitting the mouth of an adult, and the other positioning plate 93 is set to correspond to the size of the sampling test stick 20 extending out of the sampling hole 4 for fitting the mouth of a child, wherein the distance between the one positioning plate 93 and the sampling hole 4 is smaller than the distance between the other positioning plate 93 and the sampling hole 4.
The positioning shafts 92 are rotated, so that one of the positioning plates 93 is over against the support plate 91, and further when the electromagnet 61 is discharged, the permanent magnet 62 drives the sampling test rod 20 to move towards the direction of the sampling hole 4 under the elastic force action of the return spring 63, until the support plate 91 is abutted against one of the positioning plates 93, so that the positioning of the length of the sampling test rod 20 extending out of the sampling hole 4 is realized; adopt above-mentioned locate mode to select the suitable sampling test stick 20 to stretch out the length outside sampling hole 4 according to the personnel of difference, reduced the probability that the sampling end on the sampling test stick 20 contacted with the air, help avoiding influencing the detection precision to the saliva.
Referring to fig. 2 and 6, in order to align the positioning plate 93 to the support plate 91 conveniently, in this embodiment, the side walls of the cage 3 and the housing 1 are both provided with transparent glass windows 10 corresponding to each other, the side wall of the cage 3 located in the lifting hole 5 is provided with a dismounting hole 11, the dismounting hole 11 is used for the positioning plate 93 to pass through, the hole wall of the dismounting hole 11 is provided with a sealing telescopic ring 12, the outer ring wall of the sealing telescopic ring 12 is adhesively connected to the hole wall of the dismounting hole 11, and the inner ring walls of the sealing telescopic rings 12 are attached to each other;
by arranging the two transparent glass windows 10, when a person rotates the positioning shaft 92, the positioning plate 93 can be rapidly rotated to a position opposite to the support plate 91 through the two transparent glass windows 10, and the sampling efficiency is improved;
through the arrangement of the dismounting holes 11, when the isolation cover 3 needs to be taken out of the shell 1, the positioning shafts 92 are firstly rotated, so that the two positioning plates 93 are sequentially aligned with the dismounting holes 11, the positioning plates 93 can penetrate through the dismounting holes 11, and at the moment, the positioning shafts 92 can be taken out of the isolation cover 3, so that the isolation cover 3 can be dismounted;
the sealing telescopic ring 12 has a good sealing effect, and the inner annular walls of the sealing telescopic ring 12 are mutually attached under the condition that no external force acts on the sealing telescopic ring 12, so that the sealing plugging of the dismounting hole 11 is realized, the air is prevented from entering the isolation cover 3 through the dismounting hole 11, and the sealing effect on the isolation cover 3 is realized; in this embodiment, in order to facilitate the positioning plate 93 to pass through the dismounting hole 11, the top end and the bottom end of the positioning plate 93 are both provided with pointed ends.
Referring to fig. 2 and 6, in order to take out the isolation hood 3 from the housing 1, in this embodiment, a bar collecting chamber 13 is formed by enclosing the isolation hood 3 between the sidewall of the lifting hole 5 and the inner sidewall of the housing 1, a pneumatic clamping jaw 14 is fixedly installed and connected to the inner sidewall of the housing 1 located in the bar collecting chamber 13, both clamping fingers of the pneumatic clamping jaw 14 are connected to a cutter 141, and the sampling test bar 20 is located between the two cutters 141; after the sampling end of the sampling test rod 20 is moved into the isolation cover 3, the pneumatic clamping jaw 14 is started, the two clamping fingers of the pneumatic clamping jaw 14 approach each other, and then the two cutters 141 approach each other, so that the sampling test rod 20 is cut off; with the above structure, the sampling test bar 20 is directly cut off, which helps the person to quickly take out the isolation cover 3 from the housing 1 without detaching the sampling test bar 20 from the permanent magnet 62.
Referring to fig. 6, 7 and 8, since air easily enters the isolation hood 3 through the gap between the hole wall of the lifting hole 5 and the sidewall of the sampling test stick 20, in order to help prevent the air from entering the isolation hood 3 and affecting saliva collected on the sampling test stick 20, a sealing assembly 15 for sealing the gap between the sampling test stick 20 and the hole wall of the lifting hole 5 is arranged in the bar collecting chamber 13.
Sealing assembly 15 includes hot melt adhesive plate 151, electric heating plate 152, lifting wedge 153, linkage wedge 154, slide 155, feed shaft 156 and rotation axis 157, in this embodiment, hot melt adhesive plate 151 is fixed to be set up on the diapire that cage 3 is located lift hole 5, hot melt adhesive plate 151 and electric heating plate 152 all are the annular setting, and hot melt adhesive plate 151 and electric heating plate 152 all are horizontal setting, electric heating plate 152 is located the below of cage 3, lifting wedge 153 sets up vertically, and the top of lifting block links to each other with the diapire of electric heating plate 152, linkage wedge 154 horizontal setting, and linkage wedge 154 slides and connects on lifting wedge 153's the lateral wall, linkage wedge 154's lateral wall is equipped with dovetail 1541, lifting wedge 153's lateral wall is equipped with the dovetail 1541531 that supplies dovetail 1541 to slide, the cooperation of sliding between dovetail 1541 and the linkage wedge 154, the connection of sliding between lifting wedge 153 and the linkage wedge 154 has been realized. The opposite side walls of the ganged wedge 154 and the lifting wedge 153 are provided with guide wedge surfaces for guiding the lifting of the lifting wedge 153.
The sliding base 155 is connected with the inner side wall of the shell 1 in a sliding manner, a vertical groove for the lifting wedge 153 to slide along the vertical direction is formed in the sliding base 155, a horizontal groove for the linkage wedge 154 to slide along the horizontal direction is formed in the sliding base 155, the feeding shaft 156 and the rotating shaft 157 are both arranged horizontally, the feeding shaft 156 is connected to the side wall of the shell 1 in a sliding manner, one end of the feeding shaft 156 penetrates through the side wall of the shell 1 and is fixedly connected with the side wall of the sliding base 155, the other end of the feeding shaft 156 extends out of the side wall of the shell 1, a threaded hole 158 penetrating through the end walls of two sides of the feeding shaft 156 is formed in the side wall of the feeding shaft 156, the rotating shaft 157 is a threaded rod, the rotating shaft 157 is connected to the hole wall of the threaded hole 158 in a threaded manner, one end of the rotating shaft 157 extends out of the side wall of the feeding shaft 156 far away from the sliding base 155 and is connected with a handle 159, and the other end of the rotating shaft 157 extends into the horizontal groove and is fixedly connected with the horizontal wedge.
After the sampling test rod 20 is cut off by the cutter 141, the electromagnet 61 is firstly powered on, and then the electromagnet 61 generates an electromagnetic field, so that the permanent magnet 62 drives the cut sampling test rod 20 to slide towards the inner bottom wall of the shell 1, at this time, the sliding seat 155 can be pushed by the feeding shaft 156 to slide in the shell 1 until the electric heating plate 152 on the lifting wedge 153 is aligned with the hot melt adhesive plate 151, a person rotates the rotating shaft 157 through the handle 159, so that the rotating shaft 157 gradually extends into the horizontal groove, and then along with the rotation of the rotating shaft 157, the rotating shaft 157 pushes the horizontal wedge to slide towards the lifting wedge 153, at this time, the lifting wedge 153 is pushed by the horizontal wedge to move upwards, so that the electric heating plate 152 is abutted against the hot melt adhesive plate 151, and then the electric heating plate 152 is powered on, the hot melt adhesive plate 151 is heated by the electric heating plate 152, and then the hot melt adhesive plate 151 is melted to be contacted with the side wall of the sampling test rod 20, after the hot melt adhesive plate 151 is cooled and solidified, the gap between the sampling test rod 20 and the hole 5 is sealed, and the sealing effect is good.
Referring to fig. 2 and 9, after the sampling end of the sampling test stick 20 is inserted into the isolation cover 3, the sealing assembly 16 is used to seal the sampling hole 4, which helps to prevent air from entering the isolation cover 3 through the sampling hole 4.
The hole sealing component 16 comprises two opposite sealing plates 161, the two sealing plates 161 are hinged to the inner top wall of the shell 1 through torsion springs, the elastic force of the torsion springs is used for enabling the sealing plates 161 to rotate towards the inner top wall of the shell 1, the free ends of the two sealing plates 161 are provided with magnetic cushions 163, and when the sealing plates 161 are pushed to rotate and the two magnetic cushions 163 are attached, the sampling holes 4 are sealed.
In order to tightly attach the magnetic cushions 163 on the two sealing plates 161, two side walls of the housing 1 are provided with horizontally arranged push rods 164 in a sliding manner, the side wall of the housing 1 is provided with top holes 165 for the push rods 164 to slide, the two push rods 164 are respectively in one-to-one correspondence with the two sealing plates 161, two side walls of the isolation cover 3 are respectively provided with telescopic holes 166 in one-to-one correspondence with the two push rods 164, one end of each push rod 164 penetrates through the telescopic hole 166 and abuts against the side wall of the sealing plate 161, and the other end of each push rod 164 extends out of the side wall of the housing 1; the person pushes the push rod 164 to slide in the top hole 165 and the telescopic hole 166, and then the sealing plates 161 are pushed to rotate by the push rod 164, so that the magnetic cushions 163 on the free ends of the two sealing plates 161 are attached to each other.
In this embodiment, because closing plate 161 is connected at the interior diapire of casing 1 through torsional spring is articulated, in order to prevent that the air from getting into cage 3 through the articulated junction between closing plate 161 and the casing 1, sticky flexible pad 162 that is equipped with on the pore wall of sampling hole 4, flexible pad 162 is the annular setting, the outer rampart of flexible pad 162 is equipped with two free ends, one of them free end adhesive bonding is on the pore wall of sampling hole 4, another free end adhesive bonding is on the lateral wall of closing plate 161, utilize the shutoff of flexible pad 162 to the gap between 4 pore walls of sampling hole and the closing plate 161 lateral wall, and then realized the shutoff to articulated junction.
In this embodiment, in order to enhance the sealing effect on the sampling hole 4, a plurality of elastic bumps 167 are arranged on the side wall of the push rod 164 at equal intervals along the axial direction thereof, the plurality of elastic bumps 167 are integrally formed with the push rod 164, and a groove 168 matched with one of the elastic bumps 167 is formed on the hole wall of the telescopic hole 166; when the push rod 164 pushes the sealing plates 161 to rotate and the opposite side walls of the two sealing plates 161 abut against each other, one of the elastic protrusions 167 on the side wall of the push rod 164 is clamped in the groove 168, so that the push rod 164 is positioned, and the magnetic cushions 163 on the two sealing plates 161 are tightly attached.
Referring to fig. 9, because the push rod 164 is connected to the housing 1 and the isolation cover 3 in a sliding manner, after the sealing plate 161 seals the sampling hole 4, the isolation cover 3 needs to be taken out of the housing, in order to take out the isolation cover 3 conveniently, a fixing plate 17 is fixedly arranged on the outer side wall of the housing 1, the fixing plate 17 is in an L-shaped arrangement, the horizontal end of the fixing plate 17 is connected to the outer side wall of the housing 1, the vertical end of the fixing plate 17 faces the push rod 164, a thimble 18 is slidably arranged on the side wall of the vertical end of the fixing plate 17, the thimble 18 penetrates through the fixing plate 17 and abuts against the push rod 164, and the side wall of one end of the thimble 18, which is far away from the push rod 164, is connected to the side wall of the fixing plate 17, which is far away from the housing 1, through a return spring 19; the elastic force of the return spring 19 provides a sliding force for the ejector pin 18 in a direction away from the push rod 164, and then the return spring 19 stably keeps the ejector pin 18 outside the side wall of the housing 1, when the push rod 164 needs to be pushed to slide towards the inside of the isolation cover 3, a person pushes the ejector pin 18, and then the push rod 164 is pushed by the ejector pin 18 to slide towards the sealing plates 161, so that the magnetic cushions 163 on the two sealing plates 161 are tightly attached.
The implementation principle of the saliva microecological specimen collection device in the embodiment of the application is as follows: before sampling, firstly rotating the positioning shaft 92 to enable one positioning plate 93 on the positioning shaft 92 to be aligned with the support plate 91, then taking down the shell cover 2, switching off the electromagnet 61, pushing the permanent magnet 62 to slide towards the direction of the sampling test rod 20 under the action of the elastic force of the return spring 63, and directly abutting the support plate 91 on the sampling test rod 20 on the positioning plate 93, so that the positioning of the length of the sampling test rod 20 extending out of the shell 1 is realized, and at the moment, the sampling test rod 20 can extend into the oral cavity of a subject to collect saliva; after saliva collection is completed, when the sampling test rod 20 is positioned in the oral cavity of a subject, the electromagnet 61 is powered on, the electromagnet 61 generates an electromagnetic field, and then the permanent magnet 62 drives the sampling test rod 20 to approach the electromagnet 61, so that the sampling end of the sampling test rod 20 extends into the isolation cover 3.
After sampling, a person pushes the push rod 164 to slide towards the direction of the sealing plate 161 through the ejector pin 18, so that the sealing plate 161 rotates, until the magnetic soft pads 163 on the two sealing plates 161 are mutually attached, one of the elastic clamping blocks on the push rod 164 is clamped in the groove 168, so that the two magnetic soft pads 163 are tightly attached, and finally, the sampling hole 4 is blocked by the two sealing plates 161, so that the probability of air entering the isolation cover 3 is reduced, and the accuracy of saliva detection results is improved.
The embodiment of the application also discloses a saliva microecological sample collection method, which comprises the following steps:
the shell cover 2 is taken down from the shell 1, and the sampling end of the sampling rod body is driven to pass through the sampling hole 4 by the adjusting component 6;
the sampling end of the sampling test rod 20 is extended into the oral cavity of a subject to dip saliva for sampling;
after sampling, the sampling test bar 20 is driven by the adjusting component 6 to move from the oral cavity of the subject to the inside of the isolation cover 3;
after the sampling test rod 20 is moved into the isolation cover 3, the automatic hole sealing assembly 16 is used for sealing the sampling hole 4, and sampling is completed.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a saliva microecological specimen collection device, includes collection appearance body and sampling test bar (20), the collection appearance body includes casing (1) and cap (2), its characterized in that: the sampling device is characterized by further comprising an isolation cover (3), wherein the isolation cover (3) is arranged in the shell (1), a sampling hole (4) is formed in one side wall of the isolation cover (3), a lifting hole (5) is formed in the other side wall of the isolation cover (3), one end of a sampling test rod (20) is connected in the sampling hole (4) in a sliding mode, the other end of the sampling test rod (20) is connected in the lifting hole (5) in a sliding mode, an adjusting component (6) used for driving the sampling test rod (20) to slide along the axial direction of the sampling test rod is arranged in the shell (1), and a hole sealing component (16) used for sealing the sampling hole (4) is arranged on the isolation cover (3);
the adjusting assembly (6) comprises an electromagnet (61), a permanent magnet (62) and a return spring (63), the electromagnet (61) is arranged on the inner wall of the shell (1), the permanent magnet (62) is arranged on the side wall, far away from the sampling end, of the sampling test rod (20), the return spring (63) is arranged between the electromagnet (61) and the opposite side wall of the permanent magnet (62), and a switch (64) used for controlling the electromagnet (61) to be opened and closed is arranged on the side wall of the shell (1);
a positioning assembly (9) used for fixing the sampling test rod (20) is arranged in the isolation cover (3), the positioning assembly (9) comprises a support plate (91), a positioning shaft (92) and a plurality of positioning plates (93), the support plate (91) is arranged on the side wall of the sampling test rod (20), the axial direction of the positioning shaft (92) is the same as the axial direction of the sampling test rod (20), one end of the positioning shaft (92) penetrates through the side wall of the isolation cover (3) and extends out of the side wall of the shell (1), the positioning plates (93) are arranged at equal intervals along the axial direction of the positioning shaft (92), the positioning plates (93) are arrayed along the circumferential direction of the positioning shaft (92), and the support plate (91) is opposite to one of the positioning plates (93);
the isolation cover (3) is detachably connected in the shell (1), the side walls of the shell (1) and the isolation cover (3) are provided with corresponding transparent glass windows (10), the isolation cover (3) is located the side wall of the lifting hole (5) is provided with a dismounting hole (11) for the positioning plate (93) to pass through, the hole wall of the dismounting hole (11) is provided with a sealing expansion ring (12), the outer ring wall of the sealing expansion ring (12) is connected with the hole wall of the dismounting hole (11), and the inner ring walls of the sealing expansion ring (12) are mutually attached.
2. The saliva microecological specimen collection device of claim 1, wherein: the articulated clearance door (7) that is connected with of lateral wall of casing (1), sampling test bar (20) through connecting piece (8) with permanent magnet (62) link to each other, connecting piece (8) are including inserted block (81) and locking block (82), inserted block (81) set up on permanent magnet (62), locking block (82) with inserted block (81) link to each other, be equipped with the confession on the lateral wall of sampling test bar (20) inserted block (81) slot (83), the lateral wall of sampling test bar (20) is equipped with the confession locking block (82) male locking groove (84), the cell wall of locking groove (84) is equipped with the confession locking block (82) male constant head tank (85).
3. The saliva microecological specimen collection device according to claim 1, wherein: the cage (3) is located the lateral wall of lift hole (5) with enclose between the inside wall of casing (1) and close and be formed with rod collection room (13), casing (1) is located the lateral wall of rod collection room (13) is equipped with pneumatic clamping jaw (14), two clamp fingers of pneumatic clamping jaw (14) all are connected with cutter (141), sampling test rod (20) are located two between cutter (141).
4. The saliva microecological specimen collection device according to claim 3, wherein: a sealing assembly (15) used for sealing a gap between the sampling test rod (20) and the hole wall of the lifting hole (5) is arranged in the rod material collecting chamber (13), the sealing assembly (15) comprises a hot melt adhesive plate (151), an electric heating plate (152), a lifting wedge block (153), a linkage wedge block (154), a sliding seat (155), a feeding shaft (156) and a rotating shaft (157), the hot melt adhesive plate (151) is arranged on the side wall, close to the lifting hole (5), of the isolation cover (3) in an adhesive mode, the electric heating plate (152) abuts against the hot melt adhesive plate (151), and the lifting wedge block (153) is arranged on the side wall, far away from the hot melt adhesive plate (151), of the electric heating plate (152);
the linkage wedge block (154) is connected with the lifting wedge block (153) in a sliding manner, opposite side walls of the linkage wedge block (154) and the lifting wedge block (153) are respectively provided with a guide wedge surface for lifting the lifting wedge block (153), the lifting wedge block (153) and the linkage wedge block (154) are connected on the sliding seat (155) in a sliding manner, and the sliding directions of the lifting wedge block (153) and the linkage wedge block (154) are opposite;
one end of the feeding shaft (156) is connected with the side wall of the sliding seat (155), the other end of the feeding shaft (156) extends out of the side wall of the shell (1), a threaded hole (158) penetrates through the feeding shaft (156) along the axial direction of the feeding shaft, the rotating shaft (157) is in threaded connection with the hole wall of the threaded hole (158), one end of the rotating shaft (157) penetrates through the side wall of the sliding seat (155) and is in rotational connection with the linkage wedge block (154), and a handle (159) is arranged at the other end of the rotating shaft (157).
5. The saliva microecological specimen collection device of claim 1, wherein: the hole sealing assembly (16) comprises two opposite sealing plates (161), the two sealing plates (161) are hinged to the side wall, located on the sampling hole (4), of the shell (1) through torsion springs, a flexible pad (162) is adhered to the wall of the sampling hole (4), one end, away from the sampling hole (4), of the flexible pad (162) is adhered to the side wall of the sealing plate (161), and magnetic soft pads (163) are arranged on opposite side walls of the two sealing plates (161);
the anti-skidding sealing device is characterized in that two push rods (164) which correspond to the sealing plates (161) in a one-to-one mode are arranged on two side walls of the shell (1) in a sliding mode respectively, top holes (165) for the push rods (164) to slide are formed in the side walls of the shell (1), telescopic holes (166) for the push rods (164) to slide are formed in the side walls of the isolation cover (3), one ends of the push rods (164) penetrate through the telescopic holes (166) and abut against the side walls of the sealing plates (161), elastic lugs (167) are arranged on the side walls of the push rods (164), grooves (168) matched with the elastic lugs (167) are formed in the hole walls of the telescopic holes (166), and the other ends of the push rods (164) penetrate through the top holes (165) and extend out of the side walls of the shell (1).
6. The saliva microecological specimen collection device of claim 5, wherein: the lateral wall of casing (1) is equipped with fixed plate (17), it is equipped with thimble (18) to slide on fixed plate (17), thimble (18) pass fixed plate (17) and with push rod (164) butt, thimble (18) through return spring (19) with fixed plate (17) link to each other.
7. The collection method of the saliva microecological specimen collection device according to claim 1, comprising the steps of:
the shell cover (2) is opened, and the sampling end of the sampling rod body is driven to penetrate through the sampling hole (4) by the adjusting component (6);
extending the sampling end of the sampling test bar (20) into the oral cavity of a subject to sample;
after sampling is finished, the sampling test bar (20) is driven by the adjusting component (6) to move into the isolation cover (3) from the oral cavity of the testee;
after the sampling test rod (20) is moved into the isolation cover (3), the automatic hole sealing assembly (16) is used for sealing the sampling hole (4), and sampling is completed.
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