CN217960152U - Swab sampling device and manipulator - Google Patents
Swab sampling device and manipulator Download PDFInfo
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- CN217960152U CN217960152U CN202221407021.1U CN202221407021U CN217960152U CN 217960152 U CN217960152 U CN 217960152U CN 202221407021 U CN202221407021 U CN 202221407021U CN 217960152 U CN217960152 U CN 217960152U
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Abstract
The utility model provides a swab sampling device and a manipulator comprising the swab sampling device, wherein the swab sampling device comprises a clamping device, a positioning device and a driving device for driving the positioning device to move in multiple degrees of freedom; the clamping device is used for clamping the swab; the positioning device comprises a positioning part, and the clamping device is arranged along the axial direction of the positioning part in a sliding manner; the end face of the positioning part opposite to the clamping device is provided with a pressure sensor, and the pressure sensor is used for measuring the pressure of the clamping device; a buffer device is arranged on the end face of the clamping device opposite to the positioning part and used for buffering the impact of the clamping device on the pressure sensor; the driving device comprises a first driving mechanism used for driving the positioning part to move along a first direction, the first direction is the axial direction of the positioning part, and the first driving mechanism is used for adjusting a first movement distance based on data of the pressure sensor.
Description
Technical Field
The utility model relates to a sampling device technical field especially relates to a swab sampling device and manipulator.
Background
The collection of corresponding tissues by using a swab and the use of the collected tissues for bacterial culture or virus isolation are diagnostic methods which are frequently used for examining certain diseases, such as chronic pharyngitis, candidal pharyngolaryngitis, diphtheria, suppurative tonsillitis, acute pharyngolaryngitis and the like. At present, the collection tissues of the swabs are all manually operated, so that the collection efficiency is low; in addition, for some infectious diseases, such as new crowns, in order to avoid cross infection, sampling personnel need to wear protective equipment to sample a subject, on one hand, the throat part is a relatively virus concentrated area, a large amount of droplets or aerosol is easily generated in the mouth opening and breathing process of the subject, and cross infection is still easily caused due to the close contact of the sampling personnel and the subject; on the other hand, for the diseases with high infectivity, in order to reduce the spread rate of epidemic situation, the number of subjects is large, the detection frequency is high, so that the sampling personnel need to wear protective equipment for a long time to perform sampling operation, and the working intensity is overlarge; moreover, sampling levels of sampling personnel are different, and continuous working is tired, so that the sampling quality is easily influenced, a false negative result is caused, and the treatment of a patient is delayed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that the sampling efficiency is low because of the manual sampling swab in the prior art, the utility model provides a swab sampling device and manipulator.
According to one aspect of the utility model, a swab sampling device is provided, which comprises a clamping device, a positioning device and a driving device for driving the positioning device to move with multiple degrees of freedom;
the clamping device is used for clamping the swab;
the positioning device comprises a positioning part, and the clamping device is arranged along the axial direction of the positioning part in a sliding manner;
the end face of the positioning part opposite to the clamping device is provided with a pressure sensor, and the pressure sensor is used for measuring the pressure of the clamping device;
the end face of the clamping device, which is opposite to the positioning part, is provided with a buffer device, and the buffer device is used for buffering the impact of the clamping device on the pressure sensor;
the driving device comprises a first driving mechanism used for driving the positioning part to move along a first direction, the first direction is the axial direction of the positioning part, and the first driving mechanism is used for adjusting a first movement distance based on data of the pressure sensor.
According to at least one embodiment of the present invention, the driving device further comprises a second driving mechanism for driving the first driving mechanism to move along a second direction, the second direction being perpendicular to the first direction;
at least part of the first driving mechanism is fixedly arranged on the second driving mechanism.
According to the utility model discloses an at least one embodiment, drive arrangement is still including being used for the drive location portion rotatory third actuating mechanism, third actuating mechanism is fixed to be established on the first actuating mechanism, location portion is fixed to be established on the output shaft of third actuating mechanism.
According to the utility model discloses an at least one embodiment, first actuating mechanism is linear drive mechanism, linear drive mechanism includes rack and pinion mechanism, the rack is fixed to be established on the second actuating mechanism, the pinion stand slides and establishes on the guide holder of second actuating mechanism, third actuating mechanism with pinion stand fixed connection.
According to the utility model discloses an at least one embodiment, swab sampling device still includes the controller, first actuating mechanism with pressure sensor all with controller communication connection, the controller is used for the basis pressure sensor's data with adjust after first actuating mechanism's positional information compares first movement distance.
According to at least one embodiment of the present invention, the holding device includes a holding portion and a guide portion, the holding portion holds the end of the swab, the guide portion is established the holding portion deviates from one side of the positioning device, the guide portion has a through-hole for the swab to pass, the through-hole is a tapered hole, the through-hole is in the guide portion deviates from the opening on the terminal surface of the holding portion is a first opening, the through-hole is in the guide portion is close to the opening on the terminal surface of the holding portion is a second opening, the area of the first opening is greater than the area of the second opening.
According to at least one embodiment of the utility model, the swab sampling device still includes the surveillance camera machine, the surveillance camera machine with controller communication connection, the surveillance camera machine be used for the image information of target is gathered in the swab collection process, the controller is used for the collection region of analysis recognition target, according to image information control the drive arrangement motion, the surveillance camera machine still is used for the process of record sample collection.
According to at least one embodiment of the present invention, the swab sampling device further comprises a hand-held structure disposed on one side of the holding device.
According to at least one embodiment of the present invention, the swab collection device further comprises a protective shell, the protective shell is provided with a sealing protector at the front end of the holding device, the sealing protector has an opening for the swab to rotate and swing.
Another object of the utility model is to provide a manipulator, including arm and foretell swab sampling device, swab sampling device still is equipped with quick change coupler, swab sampling device passes through quick change coupler fixes on the arm.
The beneficial effects of the utility model are that: when the device is used, the clamping device clamps the swab, the driving device drives the positioning part and the clamping device to move towards a subject, and after the swab contacts the tissue of the subject, the positioning part continues to move until the pressure sensor gives a movement stopping signal, so that automatic sampling is realized, and the sampling efficiency is high; secondly, the first driving mechanism adjusts the movement distance of the swab through the pressure data of the clamping device collected by the pressure sensor, and accurate sampling is guaranteed under the condition that a subject is not injured; and, the first drive mechanism cooperates with the buffer device to ensure that the swab contacts the subject with a relatively low initial force, avoiding damage to and impact on the pressure sensor by the subject.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the principles of the invention.
Fig. 1 is a schematic view of a robot according to an embodiment of the present invention.
Fig. 2 is a schematic view of a swab sampling device according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of the internal structure of a swab sampling device according to an embodiment of the present invention.
Fig. 4 is a schematic view of the swab sampling device of fig. 2 during manual sampling.
Reference numerals: 101-a robotic arm; 102-a collection device; 103-pharyngeal swab; 201-protective shell; 202-a monitoring camera; 203-sealing protection means; 301-quick change coupler; 302-a positioning section; 303-a grip; 304-a guide; 305-a buffer device; 306-a pressure sensor; 307-a third drive mechanism; 308-a first drive mechanism; 309-a second drive mechanism; 310-a controller; 401 — handheld device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the invention. It should be noted that, for convenience of description, only the parts related to the present invention are shown in the drawings.
In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict. The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
According to a first embodiment of the present invention, there is provided a swab sampling device, comprising a holding device, a positioning device, and a driving device for driving the positioning device to move in multiple degrees of freedom; the clamping device is used for clamping the swab; the positioning device comprises a positioning part 302, and the clamping device is arranged along the axial direction of the positioning part 302 in a sliding manner; a pressure sensor 306 is arranged on the end face of the positioning part 302 opposite to the clamping device, and the pressure sensor 306 is used for measuring the pressure of the clamping device; a buffer device 305 is arranged on the end surface of the clamping device opposite to the positioning part 302, and the buffer device 305 is used for buffering the impact of the clamping device on the pressure sensor 306; the driving means comprises a first driving mechanism 308 for driving the positioning portion 302 to move along a first direction, the first direction being an axial direction of the positioning portion 302, the first driving mechanism 308 being used for adjusting the first moving distance based on data of the pressure sensor 306.
The clamping device can be arranged on the positioning part in a sliding mode through the existing sliding structure, for example, a linear rolling guide rail can be arranged on the positioning part, and the clamping device can be fixed on a sliding block of the linear rolling guide rail; for another example, a sliding groove may be axially formed in an end surface of the positioning portion facing the clamping device, the pressure sensor is fixed at a groove bottom of the sliding groove, and the clamping device is in sliding fit with the sliding groove. The buffer device is arranged between the pressure sensor and the clamping device.
The clamping device can be a clamping jaw cylinder and other existing clamping mechanisms, such as an elastic pressing block structure, and specifically, the clamping device can comprise a clamping block, wherein the clamping block is provided with a clamping groove, at least one of two opposite side walls of the clamping groove is provided with an elastic block, so that the elastic block applies a clamping force to clamp the rod part of the swab.
In this embodiment, the holding device includes a holding portion 303 and a guide portion 304, the holding portion 303 holds an end of the swab, the guide portion 304 is disposed on a side of the holding portion 303 away from the positioning device, the guide portion 304 has a through hole for the swab to pass through, the through hole is a tapered hole, an opening of the through hole on an end surface of the guide portion 304 away from the holding portion 303 is a first opening, an opening of the through hole on an end surface of the guide portion 304 close to the holding portion 303 is a second opening, and an area of the first opening is larger than an area of the second opening. In a specific embodiment, as shown in fig. 3, the holding portion 303 is a first block-shaped body, the guiding portion 304 is a second block-shaped body, the first block-shaped body is connected with the second block-shaped body, the first block-shaped body can be provided with a hole adapted to the end of the swab, and the side wall of the hole can be provided with a spring sheet, so that the end of the swab is clamped by the elastic force of the spring sheet; the second block may define the tapered aperture, and the second opening of the tapered aperture may be slightly larger than or equal to the diameter of the aperture of the first block, thereby guiding the swab end into the aperture of the first block.
The pressure sensor 306 may be fixed to the positioning portion 302 or may be fixed to the clamping device, and for convenience of wiring, the pressure sensor 306 may be fixed to the positioning portion 302. When the first driving mechanism 308 drives the holding device and the swab held by the holding device to move in the mouth, the holding device moves toward the positioning portion 302 when encountering resistance, so that the pressure sensor 306 acquires a pressure signal as a signal that the swab contacts the tissue of the throat.
The damping device 305 may be an elastic damping member such as a spring, a rubber pad, etc. in the prior art. In this embodiment, the buffer device 305 is a cylindrical helical compression spring, the end surface of the positioning portion 302 facing the clamping device is provided with a sliding groove, the pressure sensor 306 is fixed at the bottom of the sliding groove, the clamping device is in sliding fit with the sliding groove, and two ends of the cylindrical helical compression spring respectively abut against the pressure sensor 306 and the clamping device. The buffer device 305 is used for buffering the impact of the compression of the clamping device on the pressure sensor 306, and can reduce the contact force between the swab and the subject and avoid the damage to the human body.
In one embodiment, the driving device may further include a second driving mechanism 309 for driving the first driving mechanism 308 to move in a second direction, the second direction being perpendicular to the first direction; at least part of the first drive mechanism 308 is fixedly arranged on the second drive mechanism 309. It should be noted that the first direction is the axial direction of the swab in fig. 2 or 3, which is the horizontal direction, and the second direction is the horizontal direction perpendicular to the axial direction. By arranging the second driving mechanism 309 and matching with the first driving mechanism 308, the hand actions of sampling personnel in reciprocating rubbing are simulated, and the sampling success rate is improved. On this basis, the driving device may further include a third driving mechanism 307 for driving the positioning portion 302 to rotate, the third driving mechanism 307 is fixedly arranged on the first driving mechanism 308, and the positioning portion 302 is fixedly arranged on an output shaft of the third driving mechanism 307; the rotational freedom degree of the swab is increased through the third driving mechanism 307, and after the swab is contacted with a subject, the swab rotates to increase the contact area between the swab and the sampling position of the subject, so that the sampling success rate is greatly improved, and the defect that the wrist of a sampling person is difficult to rotate for sampling is overcome.
The first driving mechanism 308 and the second driving mechanism 309 may both be servo electric cylinders or servo motor screw structures, the third driving mechanism 307 may be a servo motor, a motor base of the third driving mechanism 307 may be fixed on a piston rod of the first driving mechanism 308, and an output shaft of the third driving mechanism 307 is fixedly connected with the positioning portion.
In this embodiment, the first driving mechanism 308 is a linear driving mechanism, the linear driving mechanism includes a rack and pinion mechanism, a rack is fixedly disposed on the second driving mechanism 309, a pinion seat is slidably disposed on a guide seat of the second driving mechanism 309, and the third driving mechanism 307 is fixedly connected to the pinion seat. It is obvious that the second driving mechanism 309 may also employ the above-described linear driving mechanism.
In other embodiments, the first driving mechanism 308 and the second driving mechanism 309 may be a linear motor, a servo electric cylinder, an electric sliding table, a sliding table air cylinder, or the like, and specifically, a cylinder body of the first driving mechanism 308 may be fixed on a piston rod or a sliding table of the second driving mechanism 309; the third drive mechanism 307 is fixed to the piston rod or the slide table of the first drive mechanism.
In one embodiment, the swab sampling device may further comprise a controller 310, wherein the first driving mechanism 308 and the pressure sensor 306 are both in communication with the controller 310, and the controller 310 is configured to adjust the first movement distance based on a comparison of data from the pressure sensor 306 and position information from the first driving mechanism 308.
In one embodiment, the swab sampling device may further comprise a monitoring camera 202, the monitoring camera 202 is communicatively connected to the controller 310, the monitoring camera 202 is configured to collect image information of the target during the swab collection process, the controller 310 is configured to analyze the collection area of the target and control the driving device to move according to the image information, and the monitoring camera 202 is further configured to record the sample collection process. The monitoring camera 202 and the pressure sensor 306 are used for identifying the collected effective area and confirming the effectiveness of sample collection, so that the defect of insufficient sampling objectivity evaluation of a sampling person is made up, and the success rate of single sampling is improved; secondly, the monitoring camera and the pressure sensor can upload the acquired information to a background management system for monitoring in real time during acquisition, so that the nonstandard self-detection and cheating behaviors can be effectively avoided, and the pressure of a sample acquisition point is greatly reduced.
The sampling process of the swab sampling device is as follows:
the controller 310 controls the first driving mechanism 308 to drive the third driving mechanism 309, the positioning part 302 and the clamping device to move towards the testee, after the swab clamped by the clamping device is contacted with the sampling part of the testee, the positioning part 302 and the third driving mechanism 309 continuously move to compress the buffer device 305, after the clamping device is contacted with the pressure sensor 306, the pressure sensor 306 starts to test the contact force between the swab and the sampling part, meanwhile, the contact force data is fed back to the controller 310, the controller 310 compares the collected pressure data with the position information of the first driving mechanism 308, then the first driving mechanism 308 is regulated and controlled through PID control, further, the movement of the first driving mechanism 308 drives the swab to move forward and backward, the pressure values of the swab and the sampling part are regulated, and the first driving mechanism 308 is controlled to stop moving; in addition, the controller 310 can send the collected pressure value and the position information of the first driving mechanism 308 to an upper computer through 485 communication or other communication modes for data reading and storage, so as to realize the acquisition of the real-time state of the first driving mechanism 308; then, the controller 310 controls the second driving mechanism 307 and the third driving mechanism 309 to move, and scratches and rubs at the sampling part, so as to collect the sample. Namely, the first driving mechanism 308 provides swab feeding freedom, the second driving mechanism 309 provides swab rubbing freedom, and the third driving mechanism 307 provides swab rotating freedom, so that small-range fine actions of sampling personnel can be simulated when the hand and wrist of the sampling personnel complete sampling, and sampling work is completed.
In one embodiment, the swab sampling device may further comprise a handle structure on a side facing away from the holding device, thereby facilitating handling by the sampler. The handheld structure can be an existing structure such as a handle. As shown in fig. 4, the sampler or the subject can hold the swab sampling device by the hand-held structure, and then move the swab sampling device to the mouth by the hand, and after the swab sampling device is started, the sampling work can be completed.
In one embodiment, the swab collection device 102 may further comprise a protective shell 201, the protective shell 201 further being provided with a seal guard 203 at the front end of the holding device, the seal guard 203 having an opening for the swab to rotate and swing. Specifically, as shown in fig. 3, the front half of the protection shell 201 is a tubular body, the positioning portion 302 and the clamping device are both disposed in the tubular body, the sealing protection device 203 can be a rubber cover, the rubber cover is fastened to the front end of the tubular body, and the rubber cover is provided with a strip hole corresponding to the tapered hole for the swab to enter the tapered hole. The rubber cover can be made of elastic materials such as polyurethane.
The utility model also provides a manipulator, including arm 101 and the swab sampling device of aforementioned arbitrary, the swab sampling device still is equipped with quick change coupler 301, and the swab sampling device passes through quick change coupler 301 to be fixed on arm 101. Therefore, automatic sampling is realized, the working strength of sampling personnel is effectively reduced, physical isolation between the sampling personnel and a subject is realized, and the risk of infection is reduced. Through setting up quick change coupler 301, when the swab collection system broke down, but another swab collection system of quick replacement, save time improves the efficiency of gathering. The quick change coupling 301 may be of a known art, such as the quick change coupling of ATI corporation. The mechanical arm 101 is used for simulating large-range movement of an arm of a sampler when sampling is completed, such as actions of picking up a swab and putting the swab into a sample test tube, and the swab acquisition device is used for simulating small-range finer actions of the arm and the wrist of the sampler when sampling is completed, such as actions of pressing the tongue, dipping the sample and the like, so that psychological fear of a subject when sampling in the face of the large-range movement of the mechanical arm 101 is reduced, and the use safety during sampling is improved;
in the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are provided for clarity of description only, and are not intended to limit the scope of the invention. Other variations or modifications will be apparent to persons skilled in the art in light of the above disclosure and are within the scope of the invention.
Claims (9)
1. A swab sampling device is characterized by comprising a clamping device, a positioning device and a driving device for driving the positioning device to move in multiple degrees of freedom;
the clamping device is used for clamping the swab;
the positioning device comprises a positioning part, and the clamping device is arranged along the axial direction of the positioning part in a sliding manner;
the end face of the positioning part opposite to the clamping device is provided with a pressure sensor, and the pressure sensor is used for measuring the pressure of the clamping device;
a buffer device is arranged on the end face of the clamping device opposite to the positioning part and used for buffering the impact of the clamping device on the pressure sensor;
the driving device comprises a first driving mechanism used for driving the positioning part to move along a first direction, the first direction is the axial direction of the positioning part, and the first driving mechanism is used for adjusting a first movement distance based on data of the pressure sensor.
2. The swab sampling device of claim 1, wherein the drive device further comprises a second drive mechanism for driving the first drive mechanism in a second direction, the second direction being perpendicular to the first direction;
at least part of the first driving mechanism is fixedly arranged on the second driving mechanism.
3. The swab sampling device of claim 2, wherein the drive means further comprises a third drive mechanism for driving the rotation of the positioning portion, the third drive mechanism being fixedly attached to the first drive mechanism, and the positioning portion being fixedly attached to an output shaft of the third drive mechanism.
4. The swab sampling device of claim 1, further comprising a controller, wherein the first drive mechanism and the pressure sensor are each communicatively coupled to the controller, and wherein the controller is configured to adjust the first movement distance based on a comparison of data from the pressure sensor to position information from the first drive mechanism.
5. The swab sampling device according to claim 1, wherein the holding device comprises a holding portion and a guide portion, the holding portion holds an end of the swab, the guide portion is disposed on a side of the holding portion facing away from the positioning device, the guide portion has a through hole for passing the swab therethrough, the through hole is a tapered hole, an opening of the through hole on an end surface of the guide portion facing away from the holding portion is a first opening, an opening of the through hole on an end surface of the guide portion facing away from the holding portion is a second opening, and an area of the first opening is larger than an area of the second opening.
6. The swab sampling device of claim 4, further comprising a monitoring camera in communication with the controller, the monitoring camera configured to collect image information of a target during the swab collection process, the controller configured to analyze the collection area to identify the target and to control the movement of the driving device based on the image information, the monitoring camera further configured to record the sample collection process.
7. The swab sampling device of claim 1, wherein the swab sampling device further comprises a handle structure disposed on a side facing away from the holding device.
8. The swab sampling device of claim 1, wherein the swab collection device further comprises a protective housing further provided with a seal guard at a front end of the holding device, the seal guard having an opening for rotation and oscillation of the swab.
9. A manipulator, comprising a mechanical arm and a swab sampling device as claimed in any one of claims 1 to 8, wherein the swab sampling device is further provided with a quick-change connector, and wherein the swab sampling device is fixed to the mechanical arm through the quick-change connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221407021.1U CN217960152U (en) | 2022-06-07 | 2022-06-07 | Swab sampling device and manipulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221407021.1U CN217960152U (en) | 2022-06-07 | 2022-06-07 | Swab sampling device and manipulator |
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| CN217960152U true CN217960152U (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221407021.1U Active CN217960152U (en) | 2022-06-07 | 2022-06-07 | Swab sampling device and manipulator |
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| CN (1) | CN217960152U (en) |
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- 2022-06-07 CN CN202221407021.1U patent/CN217960152U/en active Active
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