CN115414071A - Hand-held type nucleic acid sampling device - Google Patents
Hand-held type nucleic acid sampling device Download PDFInfo
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- CN115414071A CN115414071A CN202211044396.0A CN202211044396A CN115414071A CN 115414071 A CN115414071 A CN 115414071A CN 202211044396 A CN202211044396 A CN 202211044396A CN 115414071 A CN115414071 A CN 115414071A
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- nucleic acid
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- sampling device
- clamping
- telescopic arm
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- 238000005070 sampling Methods 0.000 title claims abstract description 57
- 150000007523 nucleic acids Chemical class 0.000 title claims abstract description 22
- 102000039446 nucleic acids Human genes 0.000 title claims abstract description 22
- 108020004707 nucleic acids Proteins 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 2
- 208000015181 infectious disease Diseases 0.000 abstract description 5
- 210000003800 pharynx Anatomy 0.000 description 63
- 229920000742 Cotton Polymers 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000036541 health Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 210000003128 head Anatomy 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 210000001124 body fluid Anatomy 0.000 description 2
- 239000010839 body fluid Substances 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 2
- 210000000214 mouth Anatomy 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 241000711573 Coronaviridae Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/0265—Handheld, portable
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/03—Arrangements for indicating or recording specially adapted for radiation pyrometers
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Hematology (AREA)
- Pulmonology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (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 discloses a handheld nucleic acid sampling device, which belongs to the technical field of nucleic acid sampling and comprises a shell, wherein a telescopic arm and an adjusting mechanism for adjusting the telescopic arm are arranged in the shell, the telescopic arm is connected with the shell in a sliding manner, and the front end of the telescopic arm is provided with a throat swab clamping mechanism; the utility model discloses a hand grip, including shell, front end downside, sign indicating number appearance, the front end upside of shell is equipped with infrared temperature detector, the front end downside of shell is equipped with sweeps a yard appearance, the rear end downside of shell is equipped with the handle that grips that is used for the hand to grip. The invention has the advantages of convenient use, improved sampling efficiency and reduced infection risk of medical care personnel.
Description
Technical Field
The invention relates to the technical field of nucleic acid sampling, in particular to a handheld nucleic acid sampling device.
Background
Throat swab nucleic acid sampling detection is a main means for determining whether a new coronavirus is infected at present, two workers are required to sample at a common nucleic acid sampling point at present in a coordinated manner, one worker sweeps a health code firstly, the next worker holds a throat swab for sampling, the two workers complete sampling in a coordinated manner, more manpower is occupied, and the sampling efficiency is low; and the sampling personnel is closer to the person to be sampled, so that the risk of infection exists in the sampling process.
Disclosure of Invention
In order to solve the problems in the prior art in the nucleic acid sampling process, the invention provides the handheld nucleic acid sampling device which is convenient to use, can improve the sampling efficiency and reduce the infection risk of medical staff.
In order to achieve the purpose, the invention adopts the following technical scheme:
a handheld nucleic acid sampling device comprises a shell, wherein a telescopic arm and an adjusting mechanism for adjusting the telescopic arm are arranged in the shell, the telescopic arm is connected with the shell in a sliding manner, and a throat swab clamping mechanism is arranged at the front end of the telescopic arm; the utility model discloses a hand grip, including shell, front end downside, sign indicating number appearance, the front end upside of shell is equipped with infrared temperature detector, the front end downside of shell is equipped with sweeps a yard appearance, the rear end downside of shell is equipped with the handle that grips that is used for the hand to grip. A sampling person holds the holding handle with one hand and inserts the tail end of the pharynx swab into the pharynx swab clamping mechanism with the other hand, during sampling, the person to be sampled takes out the mobile phone first to turn on the health code, the health code is swept once towards the code sweeping instrument, information of the person to be sampled is collected, meanwhile, the infrared thermometer detects and displays the body temperature of the person to be sampled, then the sampling person inserts a cotton swab at the head of the pharynx swab into the rear pharynx wall of the person to be sampled to sample, the pharynx swab is taken down after sampling, the pharynx swab is installed into the reagent tube, the pharynx swab to be sampled is installed again, and the next person is sampled; whole sampling process just can go on alone, sweeps the work of sign indicating number, temperature measurement, sampling through this kind of hand-held type sampling device synchronous realization moreover, convenient to use, effectively improve sampling efficiency, the person of sampling and the distance between the person of being sampled also increase moreover to can reduce the risk that the person of sampling is infected.
Preferably, a clamping seat is fixed on the upper side of the front end of the shell, clamping grooves are formed in two sides of the clamping seat, and a base clamped with the clamping seat is arranged at the lower end of the infrared temperature detector. The infrared temperature detector is connected with the clamping seat in a clamping manner through the base, and the installation and the disassembly are very convenient.
Preferably, the adjusting mechanism comprises connecting plates arranged at two ends inside the shell and guide rods fixed with the connecting plates, sliding seats are arranged on the guide rods, the inner ends of the telescopic arms are fixedly connected with the sliding seats, screw rods parallel to the guide rods are arranged between the connecting plates, the front ends of the screw rods penetrate through the sliding seats and are in threaded connection with the sliding seats, the rear ends of the screw rods penetrate through the connecting plates and are rotatably connected with the connecting plates, and adjusting knobs are fixed at the rear ends of the screw rods. The extending length of the telescopic arm can be adjusted through the adjusting knob; the sampler adjusts the extending length of the telescopic arm according to the self requirement.
Preferably, an elliptical trajectory motion mechanism is provided between the tip of the telescopic arm and the throat swab holding mechanism, and the throat swab holding mechanism moves along an elliptical trajectory when the elliptical trajectory motion mechanism is operated. After the pharynx swab stretches into the oral cavity, the oval orbit motion can the artifical manual action of sampling of effectual simulation, and the sampling range of the cotton swab on the pharynx swab is big (present sampling equipment all is pharynx swab axial rotation usually), improves the sampling accuracy.
Preferably, the elliptical trajectory motion mechanism comprises a longitudinal slide block, a transverse slide block, a driving shaft for driving the longitudinal slide block and the transverse slide block to move synchronously, and a motor for driving the driving shaft to rotate, and the throat swab clamping mechanism is fixed at the outer end of the transverse slide block; the outer end of the telescopic arm is provided with a groove, the longitudinal sliding block is positioned in the groove and longitudinally slides in the groove, the longitudinal sliding block is internally provided with a transversely distributed sliding chute, and the transverse sliding block is positioned in the sliding chute and transversely slides in the sliding chute; the inner side of the longitudinal sliding block is provided with a transverse groove, the inner side of the transverse sliding block is provided with a longitudinal groove, the driving shaft comprises a main shaft and a first eccentric shaft arranged at the end part of the main shaft, the outer end of the first eccentric shaft is provided with a second eccentric shaft, the first eccentric shaft extends into the transverse groove, and the second eccentric shaft extends into the longitudinal groove; the holding handle is provided with a button for controlling the motor to rotate, the button type motor is pressed to be started, and the motor is turned off when the button is released; when the motor drives the driving shaft to rotate, the first eccentric shaft drives the longitudinal sliding block to move longitudinally, the second eccentric shaft drives the transverse sliding block to move transversely, and the transverse sliding block and the longitudinal sliding block move in a combined mode to enable the throat swab clamping mechanism to move in an elliptical track. The drive shaft drives the transverse sliding block and the longitudinal sliding block to synchronously move to realize elliptical track motion, the whole structure is compact and stable, and the long edge and the short edge of an ellipse can be determined by setting the eccentricity of the first eccentric shaft and the second eccentric shaft.
Preferably, pharynx swab fixture includes the connecting seat that links into an integrated entity with indulging the slider, the connecting cylinder of being connected with the connecting seat outer end, be equipped with the adapter sleeve in the connecting cylinder, be equipped with pharynx swab centre gripping subassembly in the adapter sleeve, the outer end of connecting cylinder is equipped with the end cover, the center of end cover is equipped with the toper uide bushing. The handle end of the throat swab is inserted into the conical guide sleeve and then permeates into the throat swab clamping component to be clamped.
Preferably, the throat swab clamping assembly comprises a positioning spring and a clamping sleeve arranged in the center of the positioning spring, and a plurality of limiting columns clamped into the positioning spring are arranged on the outer surface of the clamping sleeve; be equipped with the flexible lantern ring in the centre gripping cover, the inner wall of the flexible lantern ring is equipped with a plurality of sand grips that are used for chucking pharynx swab the inner, the outer end of centre gripping cover is equipped with and is used for the spacing retaining ring of the flexible lantern ring. The flexible lantern ring in the holding cover is inserted to the handle end of pharynx swab fixes a position, and the holding cover is through location spring elastic locating, makes the cotton swab of pharynx swab outer end and the contact of pharynx back wall be elastic contact like this, and the wall is behind the difficult damage pharynx, uses safelyr.
Preferably, the positioning spring comprises two sections of conical springs with small diameter ends distributed oppositely, the small diameter ends of the two sections of conical springs are connected with column springs, the clamping sleeve is clamped on the column springs, and the large diameter ends of the conical springs are clamped with the inner walls of the two ends of the connecting sleeve. The positioning spring with the specific structure can deflect the outer end of the pharynx swab when being stressed laterally, and can reset when the stress is relieved, so that the pharynx swab is safer when the pharynx rear wall moves, and the pharynx rear wall is not easy to be damaged.
Preferably, the connecting sleeve is rotatably connected with the connecting cylinder, a transmission shaft is arranged at the inner end of the connecting sleeve, the end part of the transmission shaft penetrates through the connecting seat and extends into the longitudinal groove, a gear is fixed at the inner end of the transmission shaft, a connecting block rotatably connected with the second eccentric shaft is further arranged in the longitudinal groove in a sliding manner, and a rack meshed with the gear is arranged on the connecting block; when the connecting block slides in the longitudinal groove, the rack drives the gear to rotate. Pharynx swab is along oval orbit motion in-process, the connecting block can slide from top to bottom in the longitudinal groove, and then it slides to drive the rack, when the rack remove to with gear engagement time can drive gear revolve an angle, gear revolve can drive the adapter sleeve and rotate, finally make pharynx swab also take place to rotate, pharynx swab is when doing oval orbit motion promptly, also can take place certain rotation, thereby make the body fluid of collection pharynx back wall that pharynx swab's cotton swab can be better, it is more stable to sample.
As preferred, the outer pot head of flexible arm is equipped with the protective cover, be equipped with the ellipse on the protective cover and dodge the hole, the ellipse dodges the downthehole flexible spacing block that is fixed with, the connecting seat passes the flexible spacing block. Usually, a reagent pipe corresponds ten persons who are sampled, and ten persons who are sampled are after the sampling, and the person who samples needs to clean, disinfect to pharynx swab fixture, and when clean, disinfect, flexible barrier can prevent that antiseptic solution from getting into inside the telescopic arm.
Therefore, the invention has the advantages of convenient use, improved sampling efficiency and reduced infection risk of medical care personnel.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a state diagram of another view of fig. 1.
Fig. 3 is a schematic view of the connection between the housing and the telescopic arm.
Fig. 4 is a schematic structural diagram of an adjusting mechanism in the housing.
Fig. 5 is a schematic view of the connection of the telescoping arm to the pharyngeal swab holding mechanism.
Fig. 6 is an exploded view of fig. 5.
Fig. 7 is a schematic diagram of the connection between the elliptical orbit motion mechanism and the pharynx swab clamping mechanism.
Fig. 8 is a schematic structural diagram of another view angle of fig. 7.
Fig. 9 is a cross-sectional view of fig. 8.
Fig. 10 is an exploded view of fig. 8.
Fig. 11 is a schematic connection diagram of the longitudinal sliding block, the connecting base, the connecting cylinder and the connecting sleeve.
Fig. 12 is an exploded view of the pharyngeal swab holding mechanism.
In the figure: the device comprises a shell 1, a telescopic arm 41, a groove 410, an adjusting mechanism 42, a connecting plate 420, a guide rod 421, a sliding seat 422, a screw 423, an adjusting knob 424, an infrared temperature detector 2, a base 200, a code scanner 3, a handle 4, a button 400, a clamping seat 5, a clamping groove 50, a throat swab clamping mechanism 6, a connecting seat 60, a connecting cylinder 61, a connecting sleeve 62, a throat swab clamping component 63, a positioning spring 630, a conical spring 6300, a column spring 6301, a clamping sleeve 631, a limiting column 632, a flexible sleeve ring 633, a convex strip 6330, a limiting retainer ring 634, an end cover 64, a conical guide sleeve 640, a transmission shaft 65, a gear 66, a connecting block 67, a rack 68, an elliptic track motion mechanism 7, a longitudinal sliding block 70, a sliding rod 700, a sliding groove 701, a transverse groove 702, a transverse sliding block 71, a longitudinal groove 710, a driving shaft 72, a main shaft 720, a first eccentric shaft 721, a second eccentric shaft 722, a motor 73, a protective cover 8, an elliptic relief hole 80, a flexible isolation sheet 81 and a throat swab 9.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description below:
the hand-held nucleic acid sampling device shown in fig. 1-5 comprises a housing 1, a telescopic arm 41 and an adjusting mechanism 42 for adjusting the telescopic arm, wherein the telescopic arm is slidably connected with the housing, and a throat swab clamping mechanism 6 is arranged at the front end of the telescopic arm 41; an infrared temperature detector 2 is arranged on the upper side of the front end of the shell 1, a code scanner 3 is arranged on the lower side of the front end of the shell 1, and a holding handle 4 for holding hands is arranged on the lower side of the rear end of the shell;
the upper side of the front end of the shell 1 is fixed with a clamping seat 5, clamping grooves 50 are formed in two sides of the clamping seat, and a base 200 clamped with the clamping seat is arranged at the lower end of the infrared temperature detector 2.
The adjusting mechanism 42 comprises connecting plates 420 installed at two ends inside the shell and guide rods 421 fixed with the connecting plates, sliding seats 422 are arranged on the guide rods, the inner ends of the telescopic arms are fixedly connected with the sliding seats, screw rods 423 parallel to the guide rods are arranged between the connecting plates, the front ends of the screw rods penetrate through the sliding seats and are in threaded connection with the sliding seats, the rear ends of the screw rods penetrate through the connecting plates and are connected with the connecting plates in a rotating mode, and adjusting knobs 424 are fixed at the rear ends of the screw rods.
An elliptical orbit motion mechanism 7 is arranged between the front end of the telescopic arm 41 and the pharynx swab clamping mechanism 6, and when the elliptical orbit motion mechanism acts, the pharynx swab clamping mechanism moves according to an elliptical orbit.
As shown in fig. 6-10, the elliptical orbit motion mechanism 7 comprises a longitudinal slider 70, a transverse slider 71, a driving shaft 72 for driving the longitudinal slider and the transverse slider to move synchronously, and a motor 73 for driving the driving shaft to rotate, wherein the pharynx swab clamping mechanism 6 is fixed at the outer end of the transverse slider 71; the outer end of the telescopic arm 41 is provided with a groove 410, the longitudinal sliding block 70 is positioned in the groove, two ends of the longitudinal sliding block longitudinally slide in the groove through a sliding rod 700, a sliding groove 701 which is transversely distributed is arranged in the longitudinal sliding block 70, and the transverse sliding block 71 is positioned in the sliding groove 701 and transversely slides in the sliding groove; a transverse groove 702 communicated with the sliding groove is formed in the inner side of the longitudinal sliding block 70, a longitudinal groove 710 is formed in the inner side of the transverse sliding block 71, the driving shaft 72 comprises a main shaft 720 and a first eccentric shaft 721 arranged at the end part of the main shaft, a second eccentric shaft 722 is arranged at the outer end of the first eccentric shaft, the first eccentric shaft extends into the transverse groove, and the second eccentric shaft extends into the longitudinal groove; a button 400 for controlling the motor to rotate is arranged on the holding handle 4, the button type motor is started when the button is pressed down, and the motor is stopped when the button is released; when the motor drives the driving shaft to rotate, the first eccentric shaft drives the longitudinal slide block to move longitudinally, the second eccentric shaft drives the transverse slide block to move transversely, and the combined motion of the transverse slide block and the longitudinal slide block enables the throat swab clamping mechanism to move in an elliptic track.
As shown in fig. 9-12, the throat swab clamping mechanism 6 includes a connecting seat 60 integrally connected with the longitudinal sliding block, and a connecting cylinder 61 connected with an outer end of the connecting seat, a connecting sleeve 62 is disposed in the connecting cylinder, a throat swab clamping assembly 63 is disposed in the connecting sleeve, an end cover 64 is disposed at an outer end of the connecting cylinder, a tapered guide sleeve 640 is disposed at a center of the end cover 64, an avoiding slot hole transversely distributed is disposed on an outer side surface of the longitudinal sliding block 70, and the connecting seat passes through the avoiding slot hole and extends out of the longitudinal sliding block;
the throat swab clamping assembly 63 comprises a positioning spring 630 and a clamping sleeve 631 arranged in the center of the positioning spring, and a plurality of limiting columns 632 clamped in the positioning spring are arranged on the outer surface of the clamping sleeve 631; a flexible sleeve ring 633 is arranged in the clamping sleeve 631, a plurality of protruding strips 6330 used for clamping the throat swab handle end are arranged on the inner wall of the flexible sleeve ring, and a limiting retaining ring 634 used for limiting the flexible sleeve ring is arranged at the outer end of the clamping sleeve 631; the positioning spring 630 comprises two conical springs 6300 with small diameter ends distributed oppositely, the small diameter ends of the two conical springs are connected with a column spring 6301, the clamping sleeve is clamped on the column spring, and the large diameter ends of the conical springs are clamped with the inner walls of the two ends of the connecting sleeve.
The connecting sleeve 62 is rotatably connected with the connecting cylinder 61, the inner end of the connecting sleeve 62 is provided with a transmission shaft 65, the end part of the transmission shaft 65 penetrates through the connecting seat and extends into the longitudinal groove 710, a gear 66 is fixed at the inner end of the transmission shaft, a connecting block 67 rotatably connected with the second eccentric shaft is also slidably arranged in the longitudinal groove 710, and a rack 68 meshed with the gear is arranged on the connecting block; when the connecting block slides in the longitudinal groove, the rack drives the gear to rotate.
As shown in fig. 3, the outer end of the telescopic arm 41 is sleeved with a protective cover 8, the protective cover 8 is provided with an oval avoiding hole 80, a flexible spacer 81 is fixed in the oval avoiding hole, and the connecting seat 60 passes through the flexible spacer.
The principle of the invention is as follows with reference to the attached drawings: before use, a sampling person adjusts the extending length of the telescopic arm through an adjusting knob according to the self requirement to be in a smooth state; the method comprises the following steps that a sampling person holds a holding handle with one hand and inserts the tail end of a pharynx swab into a pharynx swab clamping mechanism with the other hand, during sampling, the person to be sampled firstly takes out a mobile phone to open a health code, the health code is swept once towards a code sweeping instrument, information of the person to be sampled is collected, meanwhile, an infrared thermometer detects and displays the body temperature of the person to be sampled, then the sampling person inserts a cotton swab of the head of the pharynx swab into the pharynx back wall of the person to be sampled, a button on the holding handle is pressed, a motor drives a driving shaft to rotate, so that the pharynx swab revolves in an elliptic orbit at the pharynx back wall in the oral cavity of the person to be sampled, the pharynx swab also rotates during revolution, body fluid of the pharynx back wall can be accurately collected, the pharynx swab is taken down after sampling, the pharynx swab is installed in a reagent tube, the pharynx swab to be reloaded, and the pharynx swab to be sampled is sampled for the next person; at present, in order to reduce sampling cost, a group of people (usually ten people) commonly share one tube of reagent, after one group of people samples, before the next group of people samples, a protective cover at the front end of a telescopic arm and a pharynx swab clamping mechanism need to be sterilized and disinfected, two handheld sampling devices are generally configured and used in turn, and when one sampling device is used, the other sampling device is sterilized. The handheld sampling device synchronously realizes the work of scanning codes, measuring temperature and sampling, is convenient to use, effectively improves the sampling efficiency, and increases the distance between a sampler and a sampled person, thereby reducing the risk of infection of the sampler.
In the description of the present invention, it should be understood that directions or positional relationships indicated by upper, lower, left, right, inner end, outer end, one end, the other end, etc. are based on the directions or positional relationships shown in the drawings, and are only for the sake of clarity to describe the technical solutions of the present invention, and do not indicate or imply that the indicated devices or elements must have specific directions, be configured and operated in specific directions, and are not to be construed as limiting the present invention.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.
Claims (10)
1. A handheld nucleic acid sampling device comprises a shell and is characterized in that a telescopic arm and an adjusting mechanism for adjusting the telescopic arm are arranged in the shell, the telescopic arm is connected with the shell in a sliding manner, and a throat swab clamping mechanism is arranged at the front end of the telescopic arm; the utility model discloses a hand grip, including shell, front end downside, sign indicating number appearance, the front end upside of shell is equipped with infrared temperature detector, the front end downside of shell is equipped with sweeps a yard appearance, the rear end downside of shell is equipped with the handle that grips that is used for the hand to grip.
2. The handheld nucleic acid sampling device of claim 1, wherein a clamping seat is fixed on the upper side of the front end of the housing, clamping grooves are arranged on two sides of the clamping seat, and a base clamped with the clamping seat is arranged at the lower end of the infrared temperature detector.
3. The hand-held nucleic acid sampling device according to claim 1 or 2, wherein the adjusting mechanism comprises connecting plates mounted at two ends inside the housing, and guide rods fixed to the connecting plates, sliding seats are provided on the guide rods, the inner ends of the telescopic arms are fixedly connected to the sliding seats, screw rods parallel to the guide rods are provided between the connecting plates, the front ends of the screw rods penetrate through the sliding seats to be in threaded connection with the sliding seats, the rear ends of the screw rods penetrate through the connecting plates to be rotatably connected with the connecting plates, and adjusting knobs are fixed to the rear ends of the screw rods.
4. The hand-held nucleic acid sampling device according to claim 1, wherein an elliptical trajectory motion mechanism is provided between the tip of the telescopic arm and the throat swab holding mechanism, and when the elliptical trajectory motion mechanism is operated, the throat swab holding mechanism moves along an elliptical trajectory.
5. The hand-held nucleic acid sampling device according to claim 4, wherein the elliptical orbit motion mechanism comprises a longitudinal slide block, a transverse slide block, a driving shaft for driving the longitudinal slide block and the transverse slide block to move synchronously, and a motor for driving the driving shaft to rotate, and the throat swab clamping mechanism is fixed at the outer end of the transverse slide block; the outer end of the telescopic arm is provided with a groove, the longitudinal sliding block is positioned in the groove and longitudinally slides in the groove, the longitudinal sliding block is internally provided with a transversely distributed sliding chute, and the transverse sliding block is positioned in the sliding chute and transversely slides in the sliding chute; the inner side of the longitudinal sliding block is provided with a transverse groove, the inner side of the transverse sliding block is provided with a longitudinal groove, the driving shaft comprises a main shaft and a first eccentric shaft arranged at the end part of the main shaft, the outer end of the first eccentric shaft is provided with a second eccentric shaft, the first eccentric shaft extends into the transverse groove, and the second eccentric shaft extends into the longitudinal groove;
the holding handle is provided with a button for controlling the motor to rotate, the button type motor is pressed to be started, and the motor is turned off when the button is released;
when the motor drives the driving shaft to rotate, the first eccentric shaft drives the longitudinal slide block to move longitudinally, the second eccentric shaft drives the transverse slide block to move transversely, and the combined motion of the transverse slide block and the longitudinal slide block enables the throat swab clamping mechanism to move in an elliptic track.
6. The hand-held nucleic acid sampling device of claim 5, wherein the throat swab clamping mechanism comprises a connecting seat integrally connected with the longitudinal sliding block and a connecting cylinder connected with the outer end of the connecting seat, a connecting sleeve is arranged in the connecting cylinder, a throat swab clamping assembly is arranged in the connecting sleeve, an end cover is arranged at the outer end of the connecting cylinder, and a tapered guide sleeve is arranged at the center of the end cover.
7. The hand-held nucleic acid sampling device according to claim 6, wherein the throat swab clamping assembly comprises a positioning spring and a clamping sleeve arranged in the center of the positioning spring, and a plurality of limiting posts clamped in the positioning spring are arranged on the outer surface of the clamping sleeve; the utility model discloses a throat swab, including centre gripping cover, throat swab handle end, the inner wall of flexible lantern ring is equipped with the flexible lantern ring in the centre gripping cover, the inner wall of flexible lantern ring is equipped with a plurality of sand grips that are used for chucking throat swab handle end, the outer end of centre gripping cover is equipped with the spacing retaining ring that is used for the flexible lantern ring spacing.
8. The handheld nucleic acid sampling device of claim 7, wherein the positioning spring comprises two conical springs with small diameter ends distributed opposite to each other, the small diameter ends of the two conical springs are connected with column springs, the clamping sleeve is clamped on the column springs, and the large diameter ends of the conical springs are clamped with the inner walls of the two ends of the connecting sleeve.
9. The hand-held nucleic acid sampling device of claim 6, 7 or 8, wherein the connecting sleeve is rotatably connected to the connecting cylinder, the inner end of the connecting sleeve is provided with a transmission shaft, the end of the transmission shaft passes through the connecting seat and extends into the longitudinal groove, the inner end of the transmission shaft is fixed with a gear, the longitudinal groove is further slidably provided with a connecting block rotatably connected to the second eccentric shaft, and the connecting block is provided with a rack engaged with the gear; when the connecting block slides in the longitudinal groove, the rack drives the gear to rotate.
10. The hand-held nucleic acid sampling device of claim 6, wherein the outer end of the telescopic arm is sleeved with a protective cover, the protective cover is provided with an oval avoiding hole, a flexible spacer is fixed in the oval avoiding hole, and the connecting seat passes through the flexible spacer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211044396.0A CN115414071A (en) | 2022-08-30 | 2022-08-30 | Hand-held type nucleic acid sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211044396.0A CN115414071A (en) | 2022-08-30 | 2022-08-30 | Hand-held type nucleic acid sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115414071A true CN115414071A (en) | 2022-12-02 |
Family
ID=84200802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211044396.0A Withdrawn CN115414071A (en) | 2022-08-30 | 2022-08-30 | Hand-held type nucleic acid sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115414071A (en) |
-
2022
- 2022-08-30 CN CN202211044396.0A patent/CN115414071A/en not_active Withdrawn
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Application publication date: 20221202 |