CN115105127B - Oral cavity mucus sampling device capable of being recycled - Google Patents
Oral cavity mucus sampling device capable of being recycled Download PDFInfo
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- CN115105127B CN115105127B CN202210709752.XA CN202210709752A CN115105127B CN 115105127 B CN115105127 B CN 115105127B CN 202210709752 A CN202210709752 A CN 202210709752A CN 115105127 B CN115105127 B CN 115105127B
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- 238000005070 sampling Methods 0.000 title claims abstract description 203
- 210000003097 mucus Anatomy 0.000 title claims abstract description 50
- 210000000214 mouth Anatomy 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 38
- 210000000078 claw Anatomy 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 241000894006 Bacteria Species 0.000 abstract description 8
- 244000052616 bacterial pathogen Species 0.000 abstract description 7
- 230000001580 bacterial effect Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 241000711573 Coronaviridae Species 0.000 description 1
- 206010035664 Pneumonia Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 206010013023 diphtheria Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 206010044008 tonsillitis Diseases 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- 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
- A61B10/0051—Devices for taking samples of body liquids for taking saliva or sputum samples
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pulmonology (AREA)
- Pathology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention belongs to the technical field of medical equipment, and particularly relates to a recyclable oral cavity mucus sampling device, which comprises a cylinder body and further comprises: the clamping cylinder is arranged at one end of the cylinder body, a material groove is formed in the outer side of the clamping cylinder, and a sampling swab can be placed in the clamping cylinder; the push rod is connected to the inside of the cylinder in a sliding manner, and can drive the sampling swab to move; the first elastic element is assembled between the cylinder body and the push rod and can drive the push rod to reset. The invention can conveniently sample the oral cavity mucus of a patient, shortens the sampling time, improves the sampling efficiency, simultaneously can effectively reduce the time of exposing the sampling swab in the air, reduces the probability of polluting the oral cavity mucus sample by external bacteria, is convenient for improving the accuracy of the bacterial culture result, and is convenient for medical staff to accurately judge pathogenic bacteria.
Description
Technical Field
The invention belongs to the technical field of medical equipment, and particularly relates to a recyclable oral cavity mucus sampling device.
Background
The oral cavity mucus is a liquid oral cavity secretion, and normal flora is cultured in the oral cavity mucus of a normal person, so that pathogenic bacteria do not grow. Bacteria in the oral cavity are all from the outside and are not pathogenic under normal conditions, but under the condition that the body is reduced in whole body or local resistance and other external factors, infection and the like can occur to cause diseases, such as: diphtheria, suppurative tonsillitis, acute pharyngolaryngitis, novel coronavirus pneumonia, etc. When diagnosing and treating patients with the above diseases, usually, the oral mucus of the patient is sampled by a pharyngeal swab, and then the sampled sample is subjected to bacterial culture, so that pathogenic bacteria can be separated and detected to confirm the pathogenic bacteria. However, the conventional sampling method has the following problems:
1. Most of the existing throat swabs are packaged in a disposable sterile manner, when medical staff unpacks the sterile packaging to take the throat swabs, the throat swabs are exposed to the air, and in the process of taking and sampling the throat swabs, the throat swabs are exposed to the air for a long time, so that external bacteria can be adsorbed, an oral mucus sample is polluted, deviation is easy to occur when bacteria are cultured, and the medical staff cannot conveniently and accurately judge pathogenic bacteria;
2. The existing throat swab is generally provided with an annular breaking line near a sampling end, after oral mucus is sampled by the throat swab, the throat swab is required to be pressed down and twisted under the cooperation of a sample storage bottle, so that the throat swab is broken off from the annular breaking line, and the time of exposing the throat swab in the air is further increased.
Disclosure of Invention
The invention aims to provide the recyclable oral cavity mucus sampling device, which can conveniently sample oral cavity mucus of a patient, shortens sampling time, improves sampling efficiency, can effectively reduce the time of exposing a sampling swab in air, reduces the probability of pollution of an oral cavity mucus sample by external bacteria, is convenient for improving the accuracy of a bacteria culture result, and is convenient for medical staff to accurately judge pathogenic bacteria.
The technical scheme adopted by the invention is as follows:
the utility model provides a circulated use's oral cavity mucus sampling device, includes the barrel, still includes:
the clamping cylinder is arranged at one end of the cylinder body, a material groove is formed in the outer side of the clamping cylinder, and a sampling swab can be placed in the clamping cylinder;
the push rod is connected to the inside of the cylinder in a sliding manner, and can drive the sampling swab to move;
the first elastic element is assembled between the cylinder body and the push rod and can drive the push rod to reset;
the pressing sampling mechanism is assembled in the cylinder body, and the push rod is connected with the pressing sampling mechanism;
The storage assembly is assembled on the outer side of the clamping cylinder, and unused sampling swabs are stored in the storage assembly;
Wherein, the operation deposit the subassembly for its inside sampling swab enters into the centre gripping section of thick bamboo inside, and the operation presses sampling mechanism, through pressing sampling mechanism drive sampling swab removes, in every sampling period, press sampling mechanism carries out four operation processes: swab pushing, reversing back-off, swab ejection, and reset back-off;
When the pressing sampling mechanism performs a swab pushing process, the sampling end of the sampling swab can be pushed to the outer side of the clamping cylinder;
When the pressing sampling mechanism performs a reversing and backspacing process, the pressing sampling mechanism can provide support for the sampling swab, and oral mucus can be collected through the sampling swab at the stage;
When the press sampling mechanism carries out the swab ejection process, the sampled sampling swab can be ejected to the outer side of the clamping cylinder, so that the sampling swab is separated from the clamping cylinder, and the sampled sampling swab can be stored at the stage.
When the pressing sampling mechanism performs a reset and backspacing process, the pushing rod can be driven to backspace through the cooperation of the pressing sampling mechanism and the first elastic element, so that the next oral cavity mucus collection is facilitated.
As a preferred embodiment of the recyclable oral mucus sampling device of the present invention, the device comprises: the pressing sampling mechanism comprises a guide cylinder, a locking element, a driving rod and a guide limiting assembly, wherein the guide cylinder is fixed at one end inside the cylinder body, the locking element and the driving rod are both in sliding connection inside the guide cylinder, the guide cylinder is in rotational connection with the push rod, the guide limiting assembly is assembled on the cylinder body and the guide cylinder, and the guide limiting assembly can conduct limiting guide on the locking element;
The novel automatic pushing device comprises a guide cylinder, a plurality of pushing guide bosses and pushing guide bosses are annularly arranged in the guide cylinder, the pushing guide bosses are connected with the pushing guide bosses one by one, reset guide bosses are arranged between every two adjacent pushing guide bosses, guide surfaces are obliquely arranged at one ends of the pushing guide bosses, the pushing guide bosses and the reset guide bosses, a pushing guide groove is formed between every two adjacent pushing guide bosses, and an ejection guide groove and a reset guide groove are respectively formed between each reset guide boss and every two adjacent pushing guide bosses, and the reset guide groove is located in the extending direction of the corresponding pushing guide groove;
the outer side of the locking element is annularly provided with a plurality of sliding claws, the upper ends of the sliding claws are obliquely provided with reversing surfaces, the reversing surfaces are matched with guide surfaces on the guide cylinder, and rotation stopping grooves are formed in the sliding claws;
the outside annular of actuating lever is provided with a plurality of guide claws, just guide claw and propelling movement guide way looks adaptation, the drive tooth has been seted up to the one end of actuating lever.
As a preferred embodiment of the recyclable oral mucus sampling device of the present invention, the device comprises: the guide limiting assembly comprises a base, a shaft rod, a rotation stopping block, a second elastic element and a guide limiting block, wherein the base is fixed on the cylinder body, shaft holes are formed in the upper end and the lower end of the base, the shaft rod is rotationally connected to the interiors of the two shaft holes, one end of the shaft rod penetrates through the base and extends to the interior of the guide cylinder, the rotation stopping block is arranged in the interior of the shaft hole at the upper end, the upper end of the shaft rod is provided with a rotation stopping surface matched with the rotation stopping block, the second elastic element is assembled between the base and the second elastic element, and the guide limiting block is fixed at the lower end of the shaft rod and located in the guide cylinder and is matched with the rotation stopping groove.
As a preferred embodiment of the recyclable oral mucus sampling device of the present invention, the device comprises: the horizontal section of the rotation stop block is in a right-angle fan shape, and the rotation range of the guide limiting block is 0-90 degrees.
As a preferred embodiment of the recyclable oral mucus sampling device of the present invention, the device comprises: the storage assembly comprises an inner shell, a guide plate, a third elastic element, an outer shell and a transmission plate, wherein the inner shell is detachably sleeved on the outer side of the clamping cylinder, a delivery groove is formed in the outer side of the inner shell, the delivery groove is matched with a material groove on the clamping cylinder, the guide plate is fixed on the outer side of the inner shell, the third elastic element is fixed on one side of the guide plate, the outer shell is rotationally connected to the outer side of the inner shell, a storage cavity is formed between the inner shell and the outer shell, a sampling swab can be stored in the storage cavity, and the transmission plate is fixed in the inner side of the outer shell.
As a preferred embodiment of the recyclable oral mucus sampling device of the present invention, the device comprises: the inner wall of the inner shell is provided with a rotation stopping boss, and the outer side of the clamping cylinder is provided with a rotation stopping groove matched with the rotation stopping boss.
As a preferred embodiment of the recyclable oral mucus sampling device of the present invention, the device comprises: the end, away from the guide plate, of the third elastic element is obliquely provided with a driving surface, and the driving surface is upward inclined.
As a preferred embodiment of the recyclable oral mucus sampling device of the present invention, the device comprises: the middle end of the third elastic element is provided with a V-shaped groove, and the V-shaped groove is positioned at the upper end of the throwing groove.
As a preferred embodiment of the recyclable oral mucus sampling device of the present invention, the device comprises: the outer side of the outer shell is uniformly provided with a plurality of anti-skid patterns.
As a preferred embodiment of the recyclable oral mucus sampling device of the present invention, the device comprises: the sampling swab has set gradually sampling end, sampling pole and centre gripping boss from one end to the other end, the sampling end has absorption characteristic, the external diameter of centre gripping boss is the same with the internal diameter of centre gripping section of thick bamboo, just the outside of centre gripping boss evenly is provided with a plurality of anti-skidding bumps.
The invention has the technical effects that:
According to the invention, the sampling swab can be pushed or ejected by pressing the driving rod, so that the operation is convenient, the breaking operation on the sampling swab is avoided, the sampling time is shortened, the sampling efficiency is improved, and meanwhile, the time of exposing the sampling swab in the air is reduced;
The storage component is convenient for storing and taking the sampling swab, and in the taking process, the sampling swab can be prevented from being exposed in the air, so that the pollution of an oral cavity mucus sample caused by the adsorption of external bacteria in the sampling process of the sampling swab is avoided, the accuracy of a bacterial culture result is convenient to improve, and medical staff can accurately judge pathogenic bacteria;
according to the invention, through the cooperation of the rotation stopping block, the second elastic element and the guide limiting block, the locking elements in different processes are conveniently guided and limited, the correct operation of the pressing sampling mechanism is conveniently ensured, and the use experience of the device is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall structure of the present invention;
FIG. 3 is a schematic view of the structure of the cylinder of the present invention;
FIG. 4 is a schematic view of the structure of the inside of the cylinder of the present invention;
FIG. 5 is an enlarged view of a portion of the invention at A in FIG. 4;
FIG. 6 is a cross-sectional view of the guide cylinder of the present invention;
FIG. 7 is a schematic view of the partial shape of the interior of the guide cylinder of the present invention;
FIG. 8 is a schematic view of the structure of the locking element of the present invention;
FIG. 9 is a schematic view of the structure of the guide pawl of the present invention;
FIG. 10 is a schematic view of a guide and stop assembly according to the present invention;
FIG. 11 is an exploded view of the structure of the guide and stop assembly of the present invention;
FIG. 12 is a schematic view of a limit state of the guide limit assembly of the present invention;
FIG. 13 is a schematic view of a guiding state of the guiding and limiting assembly of the present invention;
FIG. 14 is a schematic view of the storage assembly of the present invention;
FIG. 15 is a cross-sectional view of the storage assembly of the present invention;
FIG. 16 is an exploded view of the structure of the storage assembly of the present invention;
fig. 17 is a schematic view of the movement of a sampling swab according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
10. A cylinder; 11. a clamping cylinder; 12. a push rod; 13. a first elastic element; 20. pressing the sampling mechanism; 21. a guide cylinder; 211. pushing the guide boss; 212. ejecting the guide boss; 213. resetting the guide boss; 214. pushing the guide groove; 215. ejection guide grooves; 216. resetting the guide groove; 22. a locking element; 221. a sliding claw; 222. a rotation stopping groove; 23. a driving rod; 24. a guide claw; 30. a guide limit assembly; 31. a base; 32. a shaft lever; 33. a rotation stop block; 34. a second elastic element; 35. a guide limiting block; 40. a storage assembly; 41. an inner housing; 42. a guide plate; 43. a third elastic element; 44. an outer housing; 45. and a transmission plate.
Detailed Description
The present invention will be specifically described with reference to examples below in order to make the objects and advantages of the present invention more apparent. It should be understood that the following text is intended to describe only one or more specific embodiments of the invention and does not limit the scope of the invention strictly as claimed.
Example 1
Referring to fig. 1-4, a first embodiment of the present invention provides a recyclable oral mucus sampling device, comprising a barrel 10, and further comprising:
the clamping cylinder 11 is arranged at one end of the cylinder body 10, a material groove is formed in the outer side of the clamping cylinder 11, and a sampling swab can be placed in the clamping cylinder 11;
The push rod 12 is connected to the inside of the barrel 10 in a sliding manner, and the push rod 12 can drive the sampling swab to move;
a first elastic element 13, the first elastic element 13 is assembled between the cylinder 10 and the push rod 12, and the first elastic element 13 can drive the push rod 12 to reset;
A pressing sampling mechanism 20, wherein the pressing sampling mechanism 20 is assembled in the cylinder 10, and the push rod 12 is connected with the pressing sampling mechanism 20;
a storage assembly 40, wherein the storage assembly 40 is assembled outside the clamping cylinder 11, and unused sampling swabs are stored in the storage assembly 40;
Wherein, the operation storage component 40 is used for enabling the sampling swab in the operation storage component to enter the clamping cylinder 11, the operation pressing sampling mechanism 20 is used for driving the sampling swab to move through the pressing sampling mechanism 20, and in each sampling period, the pressing sampling mechanism 20 performs four operation processes: swab pushing, reversing back-off, swab ejection, and reset back-off;
when the sampling mechanism 20 is pressed to carry out a swab pushing process, the collecting end of the sampling swab can be pushed to the outer side of the clamping cylinder 11;
when the sampling mechanism 20 is pressed for reversing and backing, the support can be provided for the sampling swab, and oral mucus can be collected through the sampling swab at the stage;
When the sampling mechanism 20 is pressed to perform the swab ejection process, the sampled sampling swab can be ejected to the outer side of the clamping cylinder 11, so that the sampling swab is separated from the clamping cylinder 11, and the sampled sampling swab can be stored at this stage.
When the sampling mechanism 20 is pressed for resetting and retreating, the push rod 12 can be driven to retreat through the cooperation of the sampling mechanism 20 and the first elastic element 13, so that the next oral cavity mucus collection is facilitated.
Here, a storage bottle is used in cooperation with the device, a preservation liquid is injected into the storage bottle, and the storage bottle is used for storing the sampled sampling swab.
When the device is used, the storage component 40 is rotated, so that a sampling swab in the storage component 40 enters the clamping cylinder 11 through the material groove, the pressing sampling mechanism 20 is pressed, the pressing sampling mechanism 20 starts a swab pushing process, the pressing sampling mechanism 20 is connected with the push rod 12, the push rod 12 is driven to move through the pressing sampling mechanism 20, meanwhile, the push rod 12 extrudes the first elastic element 13, the first elastic element 13 is compressed, after the push rod 12 is attached to the sampling swab, the push rod 12 drives the sampling swab to move, and the sampling end of the sampling swab is driven to move outside the clamping cylinder 11, so that the swab pushing process is finished;
Loosening the pressing sampling mechanism 20, so that the pressing sampling mechanism 20 starts a reversing and retreating process, the pressing sampling mechanism 20 is not pressed any more, the first elastic element 13 drives the push rod 12 to retreat and rotate for reversing through the compression rebound characteristic of the first elastic element 13, the retreating distance of the push rod 12 is smaller, the barrel 10 is held after the reversing and retreating process is finished, the oral mucus is collected through the sampling swab, and when a medical staff forcefully causes the sampling swab to retreat, the sampling swab can be supported through the push rod 12 after the sampling swab is attached to the push rod 12 due to the smaller retreating distance of the push rod 12;
Pressing the sampling pressing mechanism 20 again, so that the sampling pressing mechanism 20 starts a swab ejection process, driving the push rod 12 to move again through the sampling pressing mechanism 20, simultaneously, further extruding the first elastic element 13 through the push rod 12, ejecting the sampling swab through the push rod 12, and storing the sampling swab through a matched sampling bottle;
The pressing sampling mechanism 20 is loosened again, so that the pressing sampling mechanism 20 starts a reset and backspacing process, and the push rod 12 is backspacing through the cooperation of the first elastic element 13 and the pressing sampling mechanism 20, so that the next oral cavity mucus collection is facilitated.
The sampling swab has set gradually sampling end, sampling pole and centre gripping boss from one end to the other end, and the sampling end has absorption characteristic, and the external diameter of centre gripping boss is the same with the internal diameter of centre gripping section of thick bamboo 11, and the outside of centre gripping boss evenly is provided with a plurality of anti-skidding bump.
When the oral cavity mucus collecting device is used, the sampling end with the absorption characteristic is convenient for collecting oral cavity mucus, and the clamping boss is arranged, so that the sampling swab can be prevented from shaking in the clamping cylinder 11, and the stability of the sampling swab in collecting the oral cavity mucus is improved.
As shown in fig. 4-5, the pressing sampling mechanism 20 includes a guide cylinder 21, a locking element 22, a driving rod 23 and a guide limiting assembly 30, the guide cylinder 21 is fixed at one end inside the cylinder 10, the locking element 22 and the driving rod 23 are both slidingly connected inside the guide cylinder 21, the guide cylinder 21 is rotationally connected with the push rod 12, the guide limiting assembly 30 is assembled on the cylinder 10 and the guide cylinder 21, and the guide limiting assembly 30 can limit and guide the locking element 22;
As shown in fig. 6 to 7, a plurality of push guide bosses 211 and push guide bosses 212 are annularly arranged in the guide cylinder 21, the push guide bosses 211 and the push guide bosses 212 are connected one by one, reset guide bosses 213 are arranged between two adjacent push guide bosses 212, guide surfaces are obliquely arranged at one ends of the push guide bosses 211, the push guide bosses 212 and the reset guide bosses 213, a push guide groove 214 is formed between two adjacent push guide bosses 211, an push guide groove 215 and a reset guide groove 216 are respectively formed between the reset guide boss 213 and two adjacent push guide bosses 212, and the reset guide groove 216 is positioned in the extending direction of the push guide groove 214;
As shown in fig. 8, a plurality of sliding pawls 221 are annularly arranged on the outer side of the locking element 22, a reversing surface is obliquely arranged at the upper end of the sliding pawls 221, the reversing surface is matched with a guide surface on the guide cylinder 21, and a rotation stopping groove 222 is formed in the sliding pawls 221;
as shown in fig. 9, a plurality of guide claws 24 are annularly arranged on the outer side of the driving rod 23, the guide claws 24 are matched with the pushing guide grooves 214, and driving teeth are formed at one end of the driving rod 23.
When the device is used, the storage component 40 is rotated, so that a sampling swab in the storage component 40 moves into the clamping cylinder 11, the driving rod 23 is pressed, a swab pushing process is started, after the driving rod 23 is attached to the locking element 22, a reversing surface on the locking element 22 is tightly attached to driving teeth on the driving rod 23, the locking element 22 is driven to move by the driving rod 23, the sliding claw 221 is positioned in the pushing guide groove 214, the locking element 22 drives the pushing rod 12 to move due to the rotary connection of the locking element 22 and the pushing rod 12, meanwhile, the first elastic element 13 is compressed by the pushing rod 12, the sampling swab in the clamping cylinder 11 is pushed to move by the pushing rod 12, the sampling end of the sampling swab moves to the outer side of the clamping cylinder 11, and when the sliding claw 221 is separated from the pushing guide groove 214, the swab pushing process is finished;
After the sliding jaw 221 is separated from the inside of the pushing guide groove 214, starting a reversing and backing process, enabling the locking element 22 to rotate through the cooperation among a reversing surface on the locking element 22, a driving tooth on the driving rod 23 and a guide surface on the sliding jaw 221, further enabling the sliding jaw 221 to be attached to the ejection guide boss 212, meanwhile, enabling the sliding jaw 221 to be located in the extending direction of the ejection guide groove 215, enabling the locking element 22 to backing a small distance in the extending direction of the ejection guide groove 215, and after the sliding jaw 221 is attached to the ejection guide boss 212, finishing the reversing and backing process, and at the moment, holding the barrel 10 to sample oral mucus through a sampling swab;
After the sampling is finished, the sampling swab is moved to the upper part of a storage bottle which is matched with the sampling swab, the driving rod 23 is pressed again, the swab ejection process is started, the driving rod 23 drives the locking element 22 to move, the sliding jaw 221 moves in the extending direction of the ejection guide groove 215, meanwhile, the locking element 22 drives the push rod 12 to move, meanwhile, the first elastic element 13 is further compressed through the push rod 12, the sampling swab is continuously pushed to move through the push rod 12, after the sampling swab is separated from the inside of the clamping cylinder 11, the sampling swab falls into the storage bottle, the sampling swab with oral cavity mucus is stored through the storage bottle, and when the sliding jaw 221 is separated from the inside of the ejection guide groove 215, the swab ejection process is finished;
After the sliding pawl 221 is separated from the inside of the ejection guide groove 215, the reset and retraction process is started, through the cooperation between the reversing surface on the locking element 22 and the guide surface on the ejection guide boss 212, the locking element 22 rotates, so that the sliding pawl 221 slides to the inside of one reset guide groove 216 which is closer to the ejection guide groove 215 along the guide surface, and resets along the extending direction of the reset guide groove 216, and the first elastic element 13 drives the push rod 12 to move through the compression and rebound characteristic of the first elastic element 13, and when the push rod 12 is separated from the inside of the clamping cylinder 11, the reset and retraction process is completed;
to this end, one sampling period is completed.
As shown in fig. 10-11, the guiding and limiting assembly 30 includes a base 31, a shaft lever 32, a rotation stopping block 33, a second elastic element 34 and a guiding and limiting block 35, the base 31 is fixed on the cylinder 10, the upper end and the lower end of the base 31 are both provided with shaft holes, the shaft lever 32 is rotatably connected inside the two shaft holes, one end of the shaft lever 32 penetrates through the base 31 and extends to the inside of the guiding cylinder 21, the rotation stopping block 33 is arranged inside the shaft hole at the upper end, the upper end of the shaft lever 32 is provided with a rotation stopping surface matched with the rotation stopping block 33, the second elastic element 34 is assembled between the base 31 and the second elastic element 34, the guiding and limiting block 35 is fixed at the lower end of the shaft lever 32 and located inside the guiding cylinder 21, and the guiding and limiting block 35 and the rotation stopping groove 222 are matched.
Further, in the initial state, the included angle between the guide stopper 35 and the sliding pawl 221 is 90 degrees.
As shown in fig. 12-13, when the sampling mechanism 20 is pressed and pressed during the swab pushing process, the driving rod 23 is pressed, the locking element 22 is driven to move through the driving rod 23, the sliding claw 221 moves in the pushing guide groove 214 towards the direction close to the reset guide groove 216, the travel of the locking element 22 can be limited through the guide limiting block 35, the sliding claw 221 is prevented from moving into the reset guide groove 216 from the inside of the pushing guide groove 214 when the pressing force of medical staff is large, and further the sliding claw 221 cannot be attached to the ejection guide boss 212, so that the reversing and backing process cannot be entered after the swab pushing process is finished;
And, pressing sampling mechanism 20 when carrying out the back process that resets, loosen actuating lever 23, slide pawl 221 slides to the inside of guide slot 216 that resets and when moving to the direction that is close to propelling movement guide slot 214, through the switching-over face of seting up on the slide pawl 221, can drive the rotation of guide stopper 35 for the contained angle between guide stopper 35 and the slide pawl 221 becomes 0 degrees from 90 degrees, and guide stopper 35 is located the inside of holding the groove 222 that splines, through the cooperation of guide stopper 35 and holding the groove 222, restricts the direction of movement of guide cylinder 21, avoids slide pawl 221 to break away from inside the guide slot 216 that resets after unable entering propelling movement guide slot 214.
Preferably, the horizontal section of the rotation stop block 33 is in a right-angle fan shape, and the rotation range of the guide limiting block 35 is 0-90 degrees.
Example 2
Referring to fig. 14-16, a second embodiment of the present invention is based on the previous embodiment.
As shown in fig. 14-16, the storage assembly 40 includes an inner housing 41, a guide plate 42, a third elastic element 43, an outer housing 44, and a transmission plate 45, wherein the inner housing 41 is detachably sleeved on the outer side of the clamping cylinder 11, a delivery slot is formed on the outer side of the inner housing 41, the delivery slot is matched with a material slot on the clamping cylinder 11, the guide plate 42 is fixed on the outer side of the inner housing 41, the third elastic element 43 is fixed on one side of the guide plate 42, the outer housing 44 is rotatably connected on the outer side of the inner housing 41, a storage cavity is formed between the inner housing 41 and the outer housing 44, a sampling swab can be stored in the storage cavity, and the transmission plate 45 is fixed in the outer housing 44.
When the sampling swab is used, the outer shell 44 is rotated, the transmission plate 45 is driven to rotate by the outer shell 44 through the fixed connection of the outer shell 44 and the transmission plate 45, and the sampling swab in the storage cavity is driven to move through the transmission plate 45, wherein after one sampling swab nearest to the third elastic element 43 is contacted with the third elastic element 43, the third elastic element 43 is extruded, so that the third elastic element 43 is deformed, and when the sampling swab moves to the upper end of the throwing groove, the third elastic element 43 drives the sampling swab to drop into the clamping cylinder 11 through the rebound characteristic of the third elastic element 43, so that the time of exposing the sampling swab in the air can be reduced.
The inner wall of the inner shell 41 is provided with a rotation stopping boss, and the outer side of the clamping cylinder 11 is provided with a rotation stopping groove matched with the rotation stopping boss.
When the invention is used, the inner shell 41 can be prevented from rotating by the cooperation of the rotation stopping boss and the rotation stopping groove, so that the dislocation of the throwing groove and the material groove is avoided, and the sampling swab in the storage assembly 40 cannot enter the clamping cylinder 11.
The end of the third elastic element 43 remote from the guide plate 42 is obliquely provided with a driving surface, and the driving surface is inclined upward.
When the invention is used, the third elastic element 43 can be deformed upwards by the arrangement of the driving surface when the sampling swab is put into the clamping cylinder 11, so that the condition that the sampling swab cannot enter the clamping cylinder 11 due to the abutting of the third elastic element 43 and the sampling swab is avoided.
The middle end of the third elastic element 43 is provided with a V-shaped groove, and the V-shaped groove is positioned at the upper end of the throwing groove.
When the invention is used, after one sampling swab closest to the third elastic element 43 in the storage cavity is contacted with the third elastic element 43, the V-shaped groove is arranged, so that the deformation amplitude of the third elastic element 43 can be increased, the third elastic element 43 can provide larger resilience force, and when the sampling swab moves to the upper end of the delivery groove, the V-shaped groove can provide larger driving force for the sampling swab, so that the sampling swab smoothly enters the clamping cylinder 11.
The outer side of the outer case 44 is uniformly provided with a plurality of anti-slip patterns.
The anti-skid patterns can increase the friction force between the hands of medical staff and the outer shell 44 when the outer shell 44 is rotated, so that the medical staff can apply force conveniently.
The working principle of the invention is as follows:
Referring to fig. 17, the storage assembly 40 is sleeved on the outer side of the holding cylinder 11, the outer casing 44 is rotated, so that the sampling swab in the storage assembly 40 enters the holding cylinder 11, the driving rod 23 is pressed, the sampling mechanism 20 is pressed to start the swab pushing process, the sampling end of the sampling swab is moved to the outer side of the holding cylinder 11 through the push rod 12, the driving rod 23 is loosened, the sampling mechanism 20 is pressed to start the reversing and retreating process, at this time, the cylinder 10 is held, the oral mucus is sampled through the sampling swab, after the sampling is completed, the driving rod 23 is pressed again, the sampling swab is pushed out through the push rod 12, the sampling swab in the holding cylinder 11 is stored through a storage bottle which is matched with the driving rod 23, the sampling swab is pressed to start the resetting and retreating process, after the sampling mechanism 20 and the push rod 12 are pressed to reset, the operation is repeated, the time for exposing the sampling swab to air is reduced, the probability of bacteria infection of the oral mucus sample is reduced, and meanwhile, the device can conveniently and rapidly carry out the oral mucus.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (8)
1. The utility model provides a circulated use's oral cavity mucus sampling device which characterized in that: comprising a cylinder (10), further comprising:
the clamping cylinder (11), the clamping cylinder (11) is arranged at one end of the cylinder body (10), a material groove is formed in the outer side of the clamping cylinder (11), and a sampling swab can be placed in the clamping cylinder (11);
The push rod (12) is connected to the inside of the barrel (10) in a sliding manner, and the push rod (12) can drive the sampling swab to move;
a first elastic element (13), wherein the first elastic element (13) is assembled between the cylinder (10) and the push rod (12), and the first elastic element (13) can drive the push rod (12) to reset;
the push rod (12) is connected with the push sampling mechanism (20), the push sampling mechanism (20) comprises a guide cylinder (21), a locking element (22), a driving rod (23) and a guide limiting assembly (30), the guide cylinder (21) is fixed at one end in the cylinder (10), the locking element (22) and the driving rod (23) are both slidingly connected in the guide cylinder (21), the guide cylinder (21) and the push rod (12) are rotationally connected, the guide limiting assembly (30) is assembled on the cylinder (10) and the guide cylinder (21), the guide limiting assembly (30) can conduct limiting guide on the locking element (22), a plurality of pushing guide bosses (211) and pushing guide bosses (212) are annularly arranged in the guide cylinder (21), the pushing guide bosses (211) are connected with the pushing guide bosses (212), two adjacent pushing guide bosses (212) are both slidingly connected in the guide cylinder (21), one end (213) of each pushing guide boss (213) is provided with a reset guide boss (213), a pushing guide groove (214) is formed between two adjacent pushing guide bosses (211), an ejection guide groove (215) and a resetting guide groove (216) are respectively formed between the resetting guide boss (213) and two adjacent ejection guide bosses (212), the resetting guide groove (216) is positioned in the extending direction of the pushing guide groove (214), a plurality of sliding claws (221) are annularly arranged on the outer side of the locking element (22), a reversing surface is obliquely arranged at the upper end of the sliding claw (221), the reversing surface is matched with the guide surface on the guide cylinder (21), a rotation stopping groove (222) is formed in the sliding claw (221), a plurality of guide claws (24) are annularly arranged on the outer side of the driving rod (23), the guide claws (24) are matched with the pushing guide groove (214), and driving teeth are formed at one end of the driving rod (23);
The storage assembly (40), the storage assembly (40) is assembled on the outer side of the clamping cylinder (11), unused sampling swabs are stored in the storage assembly (40), the storage assembly (40) comprises an inner shell (41), a guide plate (42), a third elastic element (43), an outer shell (44) and a transmission plate (45), the inner shell (41) is detachably sleeved on the outer side of the clamping cylinder (11), a throwing groove is formed in the outer side of the inner shell (41), the throwing groove is matched with a material groove on the clamping cylinder (11), the guide plate (42) is fixed on the outer side of the inner shell (41), the third elastic element (43) is fixed on one side of the guide plate (42), the outer shell (44) is rotatably connected on the outer side of the inner shell (41), a storage cavity is formed between the inner shell (41) and the outer shell (44), the sampling swabs can be stored in the inner side of the storage cavity, and the transmission plate (45) is fixed on the inner side of the outer shell (44);
Wherein, the operation deposit subassembly (40) for its inside sampling swab enters into inside clamping cylinder (11), and the operation presses sampling mechanism (20), through pressing sampling mechanism (20) drive sampling swab removes, in every sampling period, press sampling mechanism (20) to carry out four operation processes: swab pushing, reversing back-off, swab ejection, and reset back-off;
When the pressing sampling mechanism (20) performs a swab pushing process, the collecting end of the sampling swab can be pushed to the outer side of the clamping cylinder (11);
the pressing sampling mechanism (20) can provide support for the sampling swab during reversing and backspacing, and oral mucus can be collected by the sampling swab at this stage;
when the pressing sampling mechanism (20) performs a swab ejection process, the sampled sampling swab can be ejected to the outer side of the clamping cylinder (11) so that the sampling swab is separated from the clamping cylinder (11), and the sampled sampling swab can be stored at the stage;
when the sampling mechanism (20) is pressed for resetting and retreating, the push rod (12) can be driven to retreat by pressing the cooperation of the sampling mechanism (20) and the first elastic element (13), so that the next oral cavity mucus collection is facilitated.
2. The reusable oral mucus sampling device of claim 1, wherein: the utility model provides a guide limiting component (30) includes base (31), axostylus axostyle (32), ends and change piece (33), second elastic element (34) and direction stopper (35), base (31) are fixed in on barrel (10), the shaft hole has all been seted up to the upper end and the lower extreme of base (31), axostylus axostyle (32) rotate and connect in the inside in two shaft holes, just the one end of axostylus axostyle (32) runs through base (31) and extends to the inside of guide cylinder (21), end that ends changes piece (33) set up in the inside in the shaft hole of being located the upper end, and the upper end of axostylus axostyle (32) has been seted up and has been ended the face of ending that changes piece (33) looks adaptation, second elastic element (34) assemble between base (31) and second elastic element (34), direction stopper (35) are fixed in the lower extreme of axostylus axostyle (32) and are located the inside of guide cylinder (21), just guide stopper (35) and end that ends and end that ends change recess (222 looks adaptation.
3. A recyclable oral mucus sampling apparatus as defined in claim 2, wherein: the horizontal section of the rotation stopping block (33) is in a right-angle fan shape, and the rotation range of the guide limiting block (35) is 0-90 degrees.
4. The reusable oral mucus sampling device of claim 1, wherein: the inner wall of the inner shell (41) is provided with a rotation stopping boss, and the outer side of the clamping cylinder (11) is provided with a rotation stopping groove matched with the rotation stopping boss.
5. The reusable oral mucus sampling device of claim 1, wherein: the end of the third elastic element (43) far away from the guide plate (42) is obliquely provided with a driving surface, and the driving surface is upward inclined.
6. The reusable oral mucus sampling device of claim 1, wherein: the middle end of the third elastic element (43) is provided with a V-shaped groove, and the V-shaped groove is positioned at the upper end of the throwing groove.
7. The reusable oral mucus sampling device of claim 1, wherein: a plurality of anti-skid patterns are uniformly formed on the outer side of the outer shell (44).
8. The reusable oral mucus sampling device of claim 1, wherein: the sampling swab has set gradually sampling end, sampling pole and centre gripping boss from one end to the other end, the sampling end has absorption characteristic, the external diameter of centre gripping boss is the same with the internal diameter of centre gripping section of thick bamboo (11), just the outside of centre gripping boss evenly is provided with a plurality of anti-skidding bump.
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| CN202210709752.XA CN115105127B (en) | 2022-06-22 | 2022-06-22 | Oral cavity mucus sampling device capable of being recycled |
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| CN202210709752.XA CN115105127B (en) | 2022-06-22 | 2022-06-22 | Oral cavity mucus sampling device capable of being recycled |
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