CN104845875A - DNA electric sampling swab - Google Patents

Abstract

The invention discloses a DNA electric sampling swab, comprising a sampling swab and a drive handle; the drive handle is internally provided with a power unit, a control unit and a sleeve; the control unit is used for controlling the power unit to drive the sleeve to reciprocate or rotate; the drive handle is provided with an insertion port; the sampling swab enters the drive handle from the insertion port and is embedded in the sleeve. The DNA electric sampling swab provided by the invention solves the inconvenience caused when the sampling swab is used manually, the users can finish the sampling process without repeatedly scraping a sample manually or counting (number of scraping times), and the sampling swab can be pushed out directly through the pushing bar on the DNA electric sampling swab, and threfore the whole sampling process is simple and easy.

Description

A DNA gene electric sampling swab

technical field

The present invention relates to medical equipment, in particular to a DNA gene electric sampling swab.

Background technique

A sampling swab (e.g., single-use genetic sampling swab, oral mucosal cell sampling swab, throat sampling swab, etc.) is a device used to collect samples such as human and animal genetic (DNA) Medical, public security, and genetic research institutions are used to collect biological samples.

Figure 1 shows a common sampling swab 3, one end is provided with at least one sampling swab head 32 (multiple sampling swab heads are provided in Figure 1), and the other end is provided with a push rod 33, the present invention can use a sampling swab The structure of the head can also adopt the structure with a plurality of sampling swabs.

To sample the inner wall of the oral cavity, it is necessary to scrape the sampling swab on the inner wall of the oral cavity dozens of times (generally not less than 40 times). It is inconvenient for users to operate in practice. They need to control the scraping force and count at the same time. In general, the handle of the sampling wipe is thin and it is not easy to apply force.

Therefore, those skilled in the art are devoting themselves to developing a device that is convenient for the user to drive the sampling swab.

Contents of the invention

In order to achieve the above object, the present invention provides a DNA gene electric sampling swab, including a sampling swab and a driving handle, a power component, a control component and a sleeve are arranged in the driving handle, and the power component is driven by the control component The sleeve is made to reciprocate or rotate; the driving handle is provided with an insertion port, and the sampling swab enters the driving handle through the insertion port and is inserted into the sleeve.

Further, the driving handle is provided with a control button, and the control button is used to provide a control signal to the control component.

Further, the control signal provided by the control button is used to set parameters or/and control the DNA gene electric sampling swab.

Further, the parameters include the number of swipes or rotations of the sampling wipe.

Further, when the power component is driven to complete the set number of times of wiping or rotation, stop driving the power component.

Further, the driving handle further includes a sounding part connected to the control part, and when the power part is driven to complete the set number of times of wiping or turning, the sounding part outputs audio.

Further, the driving handle is also provided with an indicator light connected to the control part, which is used to indicate the status of the DNA gene electric sampling swab.

Further, the driving handle is also provided with a display unit connected to the control unit, for displaying the numerical value representing the parameter.

Further, the driving handle is further provided with a pushing part, and the pushing part is suitable for reversibly moving toward the sleeve.

Further, the control component includes a control module and a battery, the control module is connected to the power component, and the battery supplies power to the electric components in the DNA gene electric sampling swab.

The present invention also provides a simpler DNA gene electric sampling swab relative to the above technical solution, comprising a sampling swab and a driving handle, wherein a power component, a control component and a sleeve are arranged in the driving handle, and the control component Drive the power part to make the sleeve reciprocate or rotate; the power part includes a motor and a transmission part connected with the motor, and the transmission part is connected with the sleeve; the control part includes a battery , button switch, delay button switch; the battery, the motor, the button switch and the delay button switch are connected in series to form a loop; the drive handle is provided with an insertion port, and the sampling wipe is inserted The port enters the drive handle and fits into the sleeve.

Further, the driving handle is provided with a control button, and the control button acts on the button switch and the delay button switch.

Further, the driving handle is also provided with an indicator light, and the indicator light, the battery, and the button switch are connected in series to form a loop.

Further, the driving handle is further provided with a pushing part, and the pushing part is suitable for reversibly moving toward the sleeve.

Further, the pushing part includes a push plate and a push bar, the push plate is arranged in the drive handle, one end of the push bar is connected to the push plate, and the other end extends out of the drive handle.

The DNA gene electric sampling swab of the present invention solves the inconvenience when the user manually uses the sampling swab by means of an electric drive sampling swab, and the user does not need to repeatedly manually scrape, nor does it need to count (the number of scraping times) by itself, and it can also The sampling swab head is directly pushed out through the push bar on the electric sampling swab, making the whole sampling process simple and easy.

The idea, specific structure and technical effects of the present invention will be further described below in conjunction with the accompanying drawings, so as to fully understand the purpose, features and effects of the present invention.

Description of drawings

Fig. 1 is a schematic structural diagram of a common sampling swab;

Fig. 2 is a schematic front view of the structure of a DNA gene electric sampling swab of the present invention;

Fig. 3 is a schematic cross-sectional view of the structure of the DNA gene electric sampling swab of Fig. 2;

Fig. 4 is another schematic cross-sectional view of the structure of the DNA gene electric sampling swab of Fig. 2;

Fig. 5 is a structural schematic diagram of another reciprocating motion device of the DNA gene electric sampling swab of the present invention;

Fig. 6 is a schematic diagram of a control panel of the DNA gene electric sampling swab of the present invention;

Fig. 7 is another schematic view of the control panel of the DNA gene electric sampling swab of the present invention;

Fig. 8 is a schematic diagram of a simple control system of the DNA gene electric sampling swab of the present invention.

Detailed ways

Fig. 2 is a schematic front view of the structure of a DNA gene electric sampling swab of the present invention, including:

Sampling swab 3 and driving handle 1, Fig. 3 is the sectional schematic diagram of DNA gene electric sampling swab in Fig. 2, as shown in Fig. One end of the swab 3 passes through the upper end of the driving handle 1 and is embedded in the sleeve 25, and the reciprocating device 2 drives the sleeve 25 to reciprocate to drive the sampling swab 3 to reciprocate, and the sampling swab 3 contacts the sampling target to realize the pair of sampling swabs 3 Sampling operation of the sampling target; the control part 6 is installed on the drive handle 1 , the control part 6 is connected with the reciprocating device 2 , and the reciprocating device 2 is controlled by the control part 6 .

The inner wall of the sleeve 25 of this embodiment can have a certain coefficient of friction, thereby blocking the part where the sampling swab 3 is inserted, and can also have a corresponding friction layer to provide the required friction force, and, since the sampling swab 3 is driven The direction of the trajectory of the reciprocating motion in the handle 1 is perpendicular to the direction in which the sampling swab 3 is inserted into the sleeve 25, so when the sleeve 25 drives the sampling swab 3 to reciprocate, no force will be generated to pull the sampling swab 3 outward .

As shown in Figure 3, there is a push plate 41 in the lower end of the drive handle 1, and one end of the push bar 43 is vertically installed on one side surface of the push plate 41, and the other end of the push bar 43 stretches out of the drive handle 1; One side surface is offset against the push rod 33, and the push rod 33 is vertically directed to the push plate 41. The length of the push plate 41 is greater than the length of the motion track of the reciprocating device 2. Since the sampling swab 3 reciprocates in the drive handle 1, the push rod The position of 33 is not fixed, and the push plate 41 is used so that no matter where the push rod 33 is, the push plate 41 can be driven by pushing the push bar 43 to realize the pushing of the push rod 33, and then the sampling swab head 32 is pushed out; the push bar 43 wears The part of the lower end of the overdrive handle 1 is a strip-shaped hole, so that the push bar 43 can only move along the direction of the straight line where the push bar 43 is located.

The lower end of the sleeve 25 can have a closing structure, the inner diameter of the lower end is smaller than the inner diameter of the upper end, and the inner diameter of the lower end is between the inner diameter of the upper end and the diameter range of the push rod 33, so as to ensure that there is no problem during the downward insertion. Excessive force may cause the push rod 33 to be pressed down to push the sampling swab 32 out by mistake, and the push rod 33 may protrude from the sleeve 25 to abut against the push plate 41 .

Also be provided with motor 42 in the drive handle 1, and motor 42 is connected with control part 6; A gear is installed on the rotating shaft of motor 42, has the rack 44 that matches with gear on the push bar 43, and gear and rack 44 mesh, can pass control The component 6 controls the operation of the motor 42 to realize the pushing out of the push rod 33 .

The lower end of the driving handle 1 is covered with a soft cover 5, and the end of the push bar 43 extending out of the driving handle 1 is fixed on the inner wall of the soft cover 5. The soft cover 5 can be a hemispherical cover, so that when the push head is taken out, Squeeze the soft cover 5 to avoid direct contact with the relatively thin push bar 43; between the push plate 41 and the inner wall of the lower end of the drive handle 1, a reset extension spring 45 can be provided, and there can be one or more reset extension springs 45. After the operation of removing the push head is completed in an electric or manual manner, the return tension spring 45 pulls the push plate 41 to reset.

In the above driving method for the push rod 33, the electric related devices can also be omitted, so that the push rod 33 can only be pushed manually. At this time, in the structure of FIG. 2 , the motor 42 and the gear and rack 44 matched therewith are not provided, and the push rod 33 is pushed out only by pushing the push bar 43 .

Fig. 4 is another schematic cross-sectional view of the electric sampling wipe in Fig. 2. As shown in Fig. 4, the reciprocating device 2 includes: a motor (not shown in the figure), a slide rail 21, and a drive disc 23 is installed on the rotating shaft of the motor. A slide block 22 is installed in the slide rail 21; one end of the drive rod 24 is rotatably mounted on the slide block 22, and the other end of the drive rod 24 is rotatably mounted on the outer edge of the drive disc 23 near the drive disc 23; the sleeve 25 is installed on the slider 22, so that driven by the rotation of the motor, the drive plate 23 rotates to drive the drive rod 24 to move, thereby driving the slider 22 (together with the sleeve 25) to reciprocate on the slide rail 21, thereby realizing the sampling wipe reciprocating motion; the position of the driving disc 23 can be placed obliquely below the slide rail 21.

Fig. 5 is a schematic structural view of another reciprocating device of the DNA gene electric sampling swab of the present invention. As shown in Fig. 5, the sleeve 25 is placed on one side of the slide rail 21, and the sleeve 25 is installed on the slider through a bearing. 22, the sleeve 25 is fixed on the inner side wall of the bearing, and the outer side wall of the bearing is fixed on the slider 22, so that the sleeve 25 can rotate freely in the bearing; The side wall of the rail 21 facing the sleeve 25 has a serrated concave strip with a serrated protrusion, and the serrated protrusion engages with the serrated concave strip, so that during the reciprocating movement of the slider 22 driven by the motor, the sleeve 25 follows and reciprocates Rotation is performed while moving, and the combination of reciprocating motion and rotation enhances the sampling effect, which is more convenient and efficient than conventional sampling methods.

The outer wall of the bottom of the sleeve 31 of the sampling swab 3 has relative protrusions, and the sleeve 25 has a matching depression, and the protrusions are embedded in the depressions to realize further fixing of the sampling swab 3 in the sleeve 25, avoiding the sampling swab 3 from falling during the rotation process. A slipping displacement occurs in the sleeve 25 .

The sleeve can also be worn and fixed in a gear. At this time, another gear is installed on the motor shaft to mesh with the above-mentioned gear, and the rotation of the motor drives the sleeve to rotate, thereby realizing the mode of sampling, swabbing, rotating and scraping. In this case, it is more suitable to use a sampling swab with multiple sampling swabs as shown in FIG. 1 .

Fig. 6 is a control panel of the DNA gene electric sampling swab of the present invention, which can be installed on the surface of the drive handle 1 and connected with the control part 6 to provide operation instructions, including a switch key 71 for controlling power on and off, a start key 72 It is used to start the vibration (reciprocating motion) or rotation of the sampling swab, the stop key 73 is used to stop the movement of the sampling swab, and the setting keys 74, 75, 76 are used to set the number of scraping or rotation of the sampling swab.

Fig. 7 is another kind of control panel of DNA gene electric sampling wipe of the present invention, comprises the switch key 71, start key 72, stop key 73 identical with the function of control panel among Fig. 6, also comprises setting key 77,78 and The display screen 79 and the setting keys 77 and 78 are respectively used to set the number of times of scraping or rotation plus 1 and minus 1, and the currently set number of times of scraping or rotation is displayed on the display screen 79 .

The selection or distribution of keys on the control panel is not limited to the manner shown in FIG. 6 or FIG. 7 .

As shown in FIG. 2 , the driving handle 1 is not only provided with a button 63 (equivalent to a button in the control panel), but also provided with an indicator light 64 and a sounding device 65 connected to the control unit 6 . The indicator light 64 is used to display the switch state of the power supply in the DNA gene electric sampling swab or the start-stop state of the motor driving the reciprocating device 2 . The sounding device 65 can be used to give a sound prompt after the set number of times of scraping or turning is reached. The outer wall of the driving handle 1 is provided with a depression that matches the grip of the human hand, thereby improving the grip and reliability of use, and a soft non-slip rubber pad is installed in the depression. The indicator light 64 can also be controlled to display the charging status.

As shown in FIG. 4 , the control unit 6 includes a control module 61 and a battery 62 , the button 63 is specifically connected to the control module 61 , and the battery 62 supplies power to the electrical components in the device (such as motors, control modules, etc.). Battery 62 can adopt rechargeable battery and also can adopt dry battery, and when using rechargeable battery, indicator light 64 can also represent charging state by different colors, as red when charging, green when fully charged, and the state of indication DNA gene electric sampling wipe adopts yellow.

A more concise method can also be adopted for the above-mentioned control components and corresponding buttons, as shown in Figure 8, in the circuit of the power supply, a push button switch 81 and a delay button switch 82 are connected in series, so that when the push button switch 81 is turned on And behind the delay button switch 82, the motor starts until the delay button switch 82 disconnects and stops, as needs to stop halfway, you can directly press the button switch 81 to disconnect. Wherein, the indicator light 83 is used to indicate the on-off of the button switch 81 . For the selection of the delay button switch 82, it needs to be matched with the motor speed to ensure that the number of times of sampling, wiping, brushing or rotation in the delay time is greater than the required number of times. Similarly, multiple different (different delay time) delay button switches can be connected in parallel on the delay button switch 82 to increase more choices.

The preferred specific embodiments of the present invention have been described in detail above. It should be understood that those skilled in the art can make many modifications and changes according to the concept of the present invention without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of the present invention through logical analysis, reasoning or limited experiments on the basis of the prior art shall be within the scope of protection defined by the claims.

Claims (10)

1. A DNA gene electric sampling swab, is characterized in that, comprises sampling swab and drive handle, is provided with power part, control part and sleeve in the described drive handle, and described power part is driven by described control part so that all The sleeve reciprocates or rotates; the driving handle is provided with an insertion port, and the sampling swab enters the driving handle through the insertion port and is inserted into the sleeve. 2 . The DNA gene electric sampling swab according to claim 1 , wherein a control button is provided on the driving handle, and the control button is used to provide a control signal to the control component. 3 . 3. The DNA gene electric sampling swab according to claim 2, wherein the control signal provided by the control button is used to set parameters or/and control the DNA gene electric sampling swab. 4. The DNA gene motorized sampling swab according to claim 3, wherein the parameters include the number of times the swab is scraped or rotated. 5. The DNA gene electric sampling swab according to claim 4, characterized in that, after the power part is driven to complete the set number of times of scraping or rotation, the drive of the power part is stopped. 6. The DNA gene electric sampling swab according to claim 4, characterized in that, the driving handle also includes a sounding part connected to the control part, when the power part is driven to complete the set number of scraping times or After the number of rotations, the sound-generating part outputs audio. 7. The DNA gene electric sampling swab according to claim 1, characterized in that, the driving handle is also provided with an indicator light connected to the control part for indicating the state of the DNA gene electric sampling swab. 8 . The DNA gene electric sampling swab according to claim 1 , wherein a display unit connected to the control unit is further arranged on the driving handle for displaying the numerical value representing the parameter. 9 . 9 . The DNA gene electric sampling swab according to claim 1 , characterized in that, the driving handle is further provided with a pushing part, and the pushing part is adapted to move toward the sleeve in a recoverable manner. 10. The DNA gene motorized sampling swab as claimed in claim 1, wherein the control unit comprises a control module and a battery, the control module is connected to the power unit, and the battery is the motor for the DNA gene. The electrical components in the swab are powered.