CN116636881A - Sample collection device and sample collector - Google Patents
Sample collection device and sample collector Download PDFInfo
- Publication number
- CN116636881A CN116636881A CN202210136128.5A CN202210136128A CN116636881A CN 116636881 A CN116636881 A CN 116636881A CN 202210136128 A CN202210136128 A CN 202210136128A CN 116636881 A CN116636881 A CN 116636881A
- Authority
- CN
- China
- Prior art keywords
- sample
- spring
- key
- hollow cavity
- spoon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 238000000926 separation method Methods 0.000 claims description 37
- 210000003608 fece Anatomy 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000036541 health Effects 0.000 abstract description 3
- 238000005070 sampling Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 11
- 230000002550 fecal effect Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000004321 preservation Methods 0.000 description 4
- 210000002700 urine Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000012952 Resampling Methods 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000010800 human waste Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- A61B10/0038—Devices for taking faeces samples; Faecal examination devices
-
- 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
- A61B10/0096—Casings for storing test samples
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The application discloses a sample collection device and a sample collector, wherein the sample collection device comprises: the sample collector comprises a handheld piece and a collecting spoon, wherein the collecting spoon is detachably connected to one end of the handheld piece and is used for collecting excrement; the sample tube comprises a tube body and a tube cap, the tube cap is detachably connected to the tube body, and the tube body is used for storing a collecting spoon for collecting excrement; the sample tube is matched with the detection device, and the sample tube is used for on-machine detection. The collecting spoon and the hand piece are detachably connected, so that the collecting spoon and the collected excrement can be separated and placed in the sample tube after the sample collector collects the excrement, the whole sample collector is not required to be placed in the sample tube, and the miniaturization of the sample tube can be realized; and sample tube and detection device adaptation, sample tube can directly go on-machine to detect, has saved the step that the sample shifted, finally makes this sample collection device have health, experience effectual, advantage such as with low costs and convenient operation.
Description
Technical Field
The application relates to the technical field of medical detection, in particular to a sample acquisition device and a sample collector.
Background
Feces, while being a human waste, has great medical research value. For example, the feces contains a plurality of DNA, RNA and proteins from human bodies, and the content of the markers can be extracted and detected to provide basis for diagnosis, treatment and prognosis of diseases. In addition, feces also contain a large amount of bacteria, and in recent years, reports on the association of intestinal flora and diseases are increasing. Feces are important carriers of medical research, and the precondition for research with feces is the collection of acceptable fecal samples.
In the existing fecal DNA detection, although the sample size for extracting protein and RNA is small, the number of fecal samples required by experiments is large, and the equipped acquisition device is crude, so that the sampling method has the problems of inaccurate sampling size, unsanitary sampling process, poor experience and the like. The inaccuracy of the sampling amount can affect the accuracy of the detection result or lead to experimental failure, and resampling is needed, so that the investment and cost of each party are increased. Problems such as unhygienic sampling process, poor experience and the like will affect the practicality and popularity of the detection service. In addition, the sample preservation device has larger volume, so that the cost in transportation, storage and waste destruction is higher, and the storage requirement on a laboratory is higher; moreover, the current sample preservation device cannot be directly used for on-machine detection, the samples in the sample preservation device are required to be transferred into a test tube capable of being used for on-machine detection, the risk that the samples pollute the outside and are polluted is increased in the transfer process, and meanwhile, the operation is not easy.
Disclosure of Invention
The application provides a sample collection device and a sample collector, which are used for solving the problems of unhygienic sampling, poor experience, high cost and difficult operation.
In one embodiment, a sample acquisition device is provided, comprising:
the sample collector comprises a hand piece and a collecting spoon, wherein the collecting spoon is detachably connected to one end of the hand piece and is used for collecting excrement; and
the sample tube comprises a tube body and a tube cap, wherein the tube cap is detachably connected to the tube body, and the tube body is used for storing the collecting spoon for collecting the excrement.
In one embodiment, the sample tube is adapted to a detection device, the sample tube being used for on-board detection.
In one embodiment, the sample tube has a capacity of 5-30ml.
In one embodiment, the sample tube has a capacity of 5-25ml.
In one embodiment, the length of the collection scoop is less than half the depth of the tube.
An embodiment is characterized in that one end of the handheld piece is provided with a bayonet, the collecting spoon is provided with a clamping part, and the clamping part of the collecting spoon is detachably connected with the bayonet.
In one embodiment, the sample collector further comprises a separation assembly mounted on the handpiece, the separation assembly being connected to the collection scoop, the separation assembly being for driving the collection scoop to separate from the handpiece.
In one embodiment, the separation assembly comprises a key, a spring and a push rod, the hand piece is provided with a hollow cavity, the bayonet is communicated with the hollow cavity, and an opening communicated with the hollow cavity is further formed in the side face of the hand piece; the spring and the push rod are arranged in the hollow cavity, one end of the spring is connected with the end part of the hollow cavity, the other end of the spring is connected with one end of the push rod, which is far away from the spring, is connected with the clamping part of the collecting spoon, the key is arranged at the opening, part of the key is positioned in the hollow cavity and is clamped with the push rod, and part of the key is exposed out of the opening; and in a state of pressing the key, the key is released from being clamped with the push rod, and the spring drives the push rod to separate the collecting spoon from the handheld piece.
In an embodiment, be equipped with spacing portion on the push rod, spacing portion is equipped with axial dodges the hole, the button support lean on spacing portion keeps away from one side of spring, the button be used for pressing down slide-in dodge in the hole release with the joint of push rod.
In one embodiment, a spring is disposed on a side of the key facing the push rod, the spring is abutted against the push rod, and the spring is used for driving the key to reset.
In one embodiment, the separation assembly comprises a key and a spring, the hand piece is provided with a hollow cavity, the bayonet is communicated with the hollow cavity, an opening communicated with the hollow cavity is further formed in the side face of the hand piece, one end of the spring is connected with the end portion of the hollow cavity, the other end of the spring is connected with a clamping portion of the collecting spoon, the clamping portion is provided with a radial protruding portion, the protruding portion is clamped in the opening, the key is mounted on the outer side face of the hand piece, and the key is aligned with the opening; under the state of pressing the button, the button promotes the bulge to release with the joint of opening, the spring drive gather spoon with the hand-held piece separation.
In one embodiment, the separation assembly comprises a key and a spring, the hand piece is provided with a hollow cavity, the bayonet is communicated with the hollow cavity, an opening communicated with the hollow cavity is further formed in the side face of the hand piece, a part of the key is positioned in the hollow cavity, a part of the key is exposed out of the hand piece through the opening, the key is provided with a buckle, the clamping part of the collecting spoon is provided with a clamping groove, the buckle is in clamping connection with the clamping groove, one end of the spring is connected with the side wall of the hollow cavity, the other end of the spring is connected with the key, and the spring is used for driving the key to reset; under the state of pressing the button, the button promotes the buckle to release with the joint of draw-in groove, gather the spoon under the importance of gravity with the hand-held member separation.
In one embodiment, the device further comprises a funnel, wherein the funnel is used for being inserted on the tube body to assist the collecting spoon and the excrement to be placed in the tube body.
In one embodiment, there is provided a sample collector comprising: the excrement collecting device comprises a hand piece and a collecting spoon, wherein the collecting spoon is detachably connected to one end of the hand piece and is used for collecting excrement; one end of the handheld piece is provided with a bayonet, the collecting spoon is provided with a clamping part, and the clamping part of the collecting spoon is detachably connected with the bayonet.
In one embodiment, the device further comprises a separation assembly mounted on the hand piece, the separation assembly being connected with the collection spoon, the separation assembly being used for driving the collection spoon to be separated from the hand piece.
In one embodiment, the separation assembly comprises a key, a spring and a push rod, the hand piece is provided with a hollow cavity, the bayonet is communicated with the hollow cavity, and an opening communicated with the hollow cavity is further formed in the side face of the hand piece; the spring and the push rod are arranged in the hollow cavity, one end of the spring is connected with the end part of the hollow cavity, the other end of the spring is connected with one end of the push rod, which is far away from the spring, is connected with the clamping part of the collecting spoon, the key is arranged at the opening, part of the key is positioned in the hollow cavity and is clamped with the push rod, and part of the key is exposed out of the opening; and in a state of pressing the key, the key is released from being clamped with the push rod, and the spring drives the push rod to separate the collecting spoon from the handheld piece.
According to the sample collection device and the sample collector, the collection spoon and the hand piece are detachably connected, so that the collection spoon and the collected excrement can be separated and placed into the sample tube after the sample collector collects the excrement, the whole sample collector is not required to be placed into the sample tube, and the miniaturization of the sample tube can be realized; and sample tube and detection device adaptation, sample tube can directly go on-machine to detect, has saved the step that the sample shifted, finally makes this sample collection device have health, experience effectual, advantage such as with low costs and convenient operation.
Drawings
FIG. 1 is a schematic diagram of a sample collection device according to an embodiment;
FIG. 2 is a schematic diagram of an exploded view of a sample collector in one embodiment;
FIG. 3 is an axial cross-sectional view of a sample collector in one embodiment;
FIG. 4 is an axial cross-sectional view of a sample collector in one embodiment;
FIG. 5 is an axial cross-sectional view of a sample collector in one embodiment;
FIG. 6 is an axial cross-sectional view of a sample collector in one embodiment;
FIG. 7 is a schematic diagram of an exploded view of a sample collector in one embodiment;
wherein the reference numerals are as follows:
1-sample collector, 11-hand piece, 11 a-upper rod, 11 b-lower rod, 111-bayonet, 112-hollow cavity, 113-opening, 12-collection spoon, 121-clamping part, 122-groove, 123-bulge, 124-clamping groove, 13-separation component, 131-key, 1311-connecting part, 1312-elastic piece, 1313-buckle, 132-spring, 133-push rod, 1331-limit part, 1332-avoidance hole; 2-sample tube, 21-tube body, 22-tube cap; 3-funnel.
Detailed Description
In the existing human body excrement detection, the collecting device mainly comprises 2 types, wherein the first type is that after the excrement is collected by a collecting spoon, the excrement is transferred into a collecting bottle, and the collecting spoon is not placed in the collecting bottle; the second is to put the collecting spoon and the excrement into the collecting bottle together after the excrement is collected by the collecting spoon. The collection bottle of the existing 2 collection devices is more than 50ml, and the collection bottle can only be used as a storage container and cannot be detected on machine. In the prior art, the collection bottle is directly replaced by a test tube which is smaller in volume and can be directly put on a machine, so that the transfer or detection of a sample cannot be realized, and if the collection bottle in the first collection device is smaller, the excrement is difficult to put into the collection bottle; the collection bottle in the collection system of second becomes smaller, then the collection spoon will occupy whole collection bottle, detection device's pipettor suction head can't sample, if will gather the spoon setting very little, then inconvenient user gathers excrement and urine.
The inventor designs a set of brand new sample collection device aiming at the problems existing in the prior art, and the application aims at adopting a small sample tube (the capacity of the sample tube is in the range of 5-30ml, especially in the range of 5-25m, such as a common 10ml virus sampling tube) which can be directly used for on-machine detection, storing collected feces, reducing the times of feces sorting and transferring, being beneficial to improving the detection efficiency and avoiding pollution. Meanwhile, in order to match the use of the small sample tube, the sample collector is arranged into a separable structure, the collecting spoon is arranged into a small spoon, the small spoon can automatically pop out of the handheld piece to separate and store the feces into the sample tube, the handheld piece can increase the length of the sample collector, the use of a user is facilitated, the miniaturization and the practicability are both considered, the automatic pop-out collecting spoon is prevented from being contacted with the sample by the user, the safety and the sanitation are improved, and meanwhile, the operation is more convenient.
The application will be described in further detail below with reference to the drawings by means of specific embodiments. Wherein like elements in different embodiments are numbered alike in association. In the following embodiments, numerous specific details are set forth in order to provide a better understanding of the present application. However, one skilled in the art will readily recognize that some of the features may be omitted, or replaced by other elements, materials, or methods in different situations. In some instances, related operations of the present application have not been shown or described in the specification in order to avoid obscuring the core portions of the present application, and may be unnecessary to persons skilled in the art from a detailed description of the related operations, which may be presented in the description and general knowledge of one skilled in the art.
Furthermore, the described features, operations, or characteristics of the description may be combined in any suitable manner in various embodiments. Also, various steps or acts in the method descriptions may be interchanged or modified in a manner apparent to those of ordinary skill in the art. Thus, the various orders in the description and drawings are for clarity of description of only certain embodiments, and are not meant to be required orders unless otherwise indicated.
The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling), unless otherwise indicated.
In one embodiment, a sample collection device is provided, the sample collection device is mainly used for collecting human body excrement, the sample collection device mainly comprises a sample collector and a sample tube, wherein the sample tube is a small tube, the sample tube is matched with a detection device, the sample tube can be directly placed on the detection device for detection, and a sampling needle on the detection device directly extracts a sample from the sample tube for analysis; meanwhile, the sample tube also has the function of sample preservation, the sample collected by the sample collector is directly preserved in the sample tube, the sample collector is designed into a separable structure, the volume of a collecting spoon of the sample collector is small, the collecting spoon can be separated from a main body after collecting the sample, the collecting spoon and the sample are preserved in the sample tube together, and the main body part of the sample collector is used for increasing the length of the sample collector, so that a user can conveniently use the sample collector to collect excrement. The sample collection device saves the steps of sample transferring and loading, is convenient for users to use, is more convenient to detect, reduces pollution, is more sanitary, and can also reduce cost.
Referring to fig. 1 to 3, the sample collection device of the present embodiment includes a sample collector 1 and a sample tube 2, the sample collector 1 mainly includes a hand piece 11 and a collection spoon 12, the hand piece 11 and the collection spoon 12 are detachably connected, the collection spoon 12 can be separated from the hand piece 11, the collection spoon 12 is used for collecting human body feces, and the hand piece 11 is used for holding the sample collector 1. The sample tube 2 is a small-sized tube, the capacity of the sample tube 2 is 5-30ml, and preferably, the capacity of the sample tube 2 is 5-25ml, such as 10ml, which is the most commonly used sample tube 2 for a detection device. The sample tube 2 comprises a tube body 21 and a tube cap 22, wherein the tube cap 22 is detachably connected with the tube body 21, and the tube body 21 is used for accommodating and storing the collection spoon 12 and the fecal sample collected by the collection spoon.
The hand piece 11 is of a rod-shaped structure, and the hand piece 11 of the rod-shaped structure is used for increasing the length of the sample collector 1, so that a user can conveniently hold the sample collector 1 and sample. The collection spoon 12 is a small spoon, and the width of the collection spoon 12 is smaller than the inner diameter of the tube body 21, so that the collection spoon 12 can be placed into the tube body 21. The length of the collecting spoon 12 is smaller than half of the depth of the tube 21, for example, the length of the collecting spoon 12 is one third of the depth of the tube 21, so that at least half of the upper half of the tube 21 is not blocked by the collecting spoon 12 when the collecting spoon 12 is placed on the tube 21, and a sampling needle of the detecting device can extend into the tube 21 for sampling.
The lower extreme of hand piece 11 is equipped with bayonet socket 111, and the tip of gathering spoon 12 is equipped with joint portion 121, and joint portion 121 is connected with bayonet socket 111, and gathering spoon 12 can directly form detachable with bayonet socket 111 through joint portion 121 and be connected, and joint portion 121 of gathering spoon 12 also can form detachable connection with other parts of installing on hand piece 11.
The open end of the tube body 21 is provided with external threads, the tube cap 22 is provided with internal threads, the tube cap 22 is connected with the tube body 21 through threads, and the tube cap 22 is used for sealing the tube body 21 so as to seal and preserve a sample in the tube body 21.
In other embodiments, the open end of the tube 21 may further be provided with a diaphragm, where the diaphragm is provided with a cross-shaped opening line, and the diaphragm can play a certain sealing role in the sampling process of the machine, so as to avoid volatilizing the sample to pollute the air.
In other embodiments, the sample collector 1 further comprises a funnel 3, the outer diameter of the lower end of the funnel 3 being smaller than the inner diameter of the tube 21, so that the lower end of the funnel 3 can be inserted into the tube 21. The funnel 3 can conveniently put into the pipe body 21 with collecting spoon 12 and excrement and urine sample, has reduced the operation of aiming at of collecting spoon 12 and pipe body 21, has improved sampling efficiency to can also avoid excrement and urine sample to be stained with the opening edge of pipe body 21 at the in-process of putting into, more sanitary.
In this embodiment, sample collector 1 still includes separating element 13, and separating element 13 installs on handpiece 11, and separating element 13 is connected with collection spoon 12, and separating element 13 is used for driving collection spoon 12 and handpiece 11 autosegregation, and in the sampling process, the user need not to touch collection spoon 12 and can realize collection spoon 12 and handpiece 11 autosegregation, has avoided the user to touch the excrement and urine sample, and is more sanitary, has also made things convenient for user's separation operation simultaneously.
The hand piece 11 is formed by butt joint installation of two parts, so that the separation assembly 13 can be conveniently installed on the hand piece 11, for example, the hand piece 11 comprises an upper rod 11a and a lower rod 11b, the upper rod 11a and the lower rod 11b are connected through threads, the upper rod 11a and the lower rod 11b enclose a hollow cavity 112, the hollow cavity 112 is communicated with a bayonet, the hollow cavity 112 is a half-open cavity with one closed end and one open end, an opening 113 is further formed in the side face of the hand piece 11, and the opening 113 is communicated with the hollow cavity 112.
The separation assembly 13 comprises a key 131, a spring 132 and a push rod 133, wherein the spring 132 and the push rod 133 are arranged in a hollow cavity 112 of the hand piece 11, the spring 132 and the push rod 133 are connected in series, one end of the spring 132 is connected with the end part of the hollow cavity 112, one end of the spring 132 can also be connected with a convex structure in the hollow cavity 112, the other end of the spring 132 is connected with one end of the push rod 133, one end, far away from the spring 132, of the push rod 133 is connected with the collecting spoon 12, the spring 132 is always in a compressed state, and the spring 132 always applies an axial thrust to the push rod 133. The end of the push rod 133, which is close to the spring 132, is provided with a limiting part 1331, the limiting part 1331 is of an annular structure, the limiting part 1331 plays a role in sliding limiting, and the push rod 133 axially slides relative to the hollow cavity 112 through the limiting part 1331. The stopper 1331 is further provided with an axial escape hole 1332.
The key 131 is installed in the hollow cavity 112, and part of the key 131 protrudes outside the hand piece 11 through the opening 113, one end of the key 131 is provided with a connecting portion 1311, the connecting portion 1311 is of an annular structure, the connecting portion 1311 is fixed in the hollow cavity 112, the push rod 133 is arranged in the middle of the connecting portion 1311 in a penetrating mode, and the push rod 133 can axially move relative to the connecting portion 1311. One end of the key 131 is fixedly connected with the hand piece 11 through the connecting part 1311, the other end of the key 131 is a free end, the free end of the key 131 abuts against one side, far away from the spring 132, of the limiting part 1331, and the free end of the key 131 is in clamping connection with the connecting part 1311 of the push rod 133.
The button 131 is provided with a spring piece 1312 on one side facing the push rod 133, the spring piece 1312 and the button 131 can be in an integrated structure, and the spring piece 1312 can also be fixedly installed on the button 131. One end of the elastic piece 1312 away from the key 131 abuts against the push rod 133, and the elastic piece 1312 is used for driving the key 131 to reset. Preferably, one end of the elastic sheet 1312, which is far away from the key 131, is arranged into an arc structure, and the elastic sheet 1312 is propped against the push rod 133 through the arc structure, so that the push rod 133 can not generate excessive friction force with the push rod 133 in the axial movement process, and the push rod 133 is beneficial to driving the separation of the collecting spoon 12.
The principle of automatic separation of the sample collector 1 of the present embodiment is as follows:
in a state that the key 131 is not pressed, the free end of the key 131 is abutted against the connecting part 1311 of the push rod 133 to form clamping connection, the push rod 133 cannot axially move even if being pushed by the spring 132, at this time, the collecting spoon 12 is stably connected with the hand piece 11, and the sample collector 1 can be used for collecting a fecal sample;
in a state that the key 131 is pressed, the free end of the key 131 moves inwards along the radial direction, the free end of the key 131 is clamped into the avoidance hole 1332 of the connecting part 1311, the key 131 is released from being clamped with the push rod 133, the push rod 133 moves towards the direction of the collecting spoon 12 under the pushing of the spring 132, and the push rod 133 pushes the collecting spoon 12 to be separated from the handheld piece 11.
The hand piece 11 can also be reused, after the collection spoon 12 after the separation sampling is carried out, when an unused collection spoon 12 is reinstalled, the clamping part 121 of the collection spoon 12 is inserted into the bayonet 111 of the hand piece 11, the clamping part 121 of the collection spoon 12 pushes the push rod 133 to move towards the direction of the spring 132, in the process, the free end of the key 131 is separated from the avoidance hole 1332 of the push rod 133, the key 131 is reset to move under the driving of the elastic sheet 1312, and the free end of the final key 131 is propped against the limiting part 1331 of the push rod 133 to form the clamping connection of the push rod 133.
The sample collection device provided by the embodiment, because the collection spoon 12 is detachably connected with the hand piece 11, the collection spoon 12 and the collected excrement can be separated and placed into the sample tube 2 together after the excrement is collected by the sample collector 1, the whole sample collector 1 is not required to be placed into the sample tube 2, and the miniaturization of the sample tube 2 can be realized; and sample pipe 2 and detection device adaptation, sample pipe 2 can directly go on the machine and detect, has saved the step that the sample shifted, finally makes this sample collection device have health, experience effectual, advantage such as with low costs and convenient operation.
In one embodiment, a sample collection device is provided, which differs from the above embodiments in that: the spring piece 1312 is omitted.
Referring to fig. 4, in the embodiment, the key 131 is an elastic structure made of plastic or metal, and the degree of freedom of the key 131 can be restored to the initial clamping position by the elastic force of the key 131 after the key 131 is pressed.
In this embodiment, the key 131 is reset by its own elastic force, so that the hand piece 11 can be reused.
In one embodiment, a sample collection device is provided, which differs from the above embodiments in that: the separating assembly 13 is different from the collecting scoop 12.
Referring to fig. 5, in the present embodiment, the clamping portion 121 of the collecting spoon 12 is provided with a groove 122 facing the hollow cavity 112 of the hand piece 11, the clamping portion 121 is further provided with a radially protruding protrusion 123, the protrusion 123 is clamped on the opening 113 of the hand piece 11, and the collecting spoon 12 and the hand piece 11 form a clamping connection.
The separation assembly 13 comprises a key 131 and a spring 132, the spring 132 is arranged in the hollow cavity 112 of the hand piece 11, one end of the spring 132 is connected with the end part of the hollow cavity 112, the other end of the spring 132 is connected with the groove 122 of the collecting spoon 12, the spring 132 is always in a compressed state, and the spring 132 is used for directly driving the collecting spoon 12 to be separated from the hand piece 11. The key 131 is mounted on the outer side surface of the hand piece 11, the key 131 and the hand piece 11 can be in an integrated structure, and the key 131 can also be mounted on the hand piece 11. One end of the button 131 is connected with the hand piece 11, the other end of the button 131 is aligned with the opening 113, and the aligned end of the button 131 and the opening 113 is provided with a radial protruding structure.
In this embodiment, the key 131 has an elastic structure, and the key 131 can automatically return to the initial state after being pressed.
The principle of automatic separation of the sample collector 1 of the present embodiment is as follows:
in a state that the key 131 is not pressed, the protruding part 123 of the collecting spoon 12 is clamped on the opening 113 of the hand piece 11 to form clamping connection, at the moment, the collecting spoon 12 is stably connected with the hand piece 11, and the sample collector 1 can be used for collecting a fecal sample;
in a state that the key 131 is pressed, the protruding structure of the key 131 moves inwards along the radial direction, the protruding structure of the key 131 pushes the protruding portion 123 of the collecting scoop 12 to be separated from the opening 113, the collecting scoop 12 is released from being clamped with the hand piece 11, and the collecting scoop 12 is separated from the hand piece 11 under the pushing of the spring 132.
The hand piece 11 can be reused, when an unused collecting spoon 12 is reinstalled after the collecting spoon 12 is separated and sampled, the clamping part 121 of the collecting spoon 12 is inserted into the bayonet 111 of the hand piece 11, the spring 132 is compressed until the protruding part 123 is clamped on the opening 113 of the hand piece 11, and the clamping connection to the push rod 133 is formed.
The sample collection device provided by the embodiment can also realize the automatic separation of the collection spoon 12 and the handheld piece 11, and is convenient for a user to operate.
In one embodiment, a sample collection device is provided, which differs from the above embodiments in that: the separating assembly 13 is different from the collecting scoop 12.
Referring to fig. 6 and 7, in the present embodiment, the clamping portion 121 of the collecting spoon 12 is provided with a clamping groove 124, the clamping groove 124 is disposed along a radial direction, and the clamping groove 124 is located in the hollow cavity 112 of the hand piece 11.
The separation assembly 13 includes a key 131 and a spring 132, the spring 132 being disposed within the hollow cavity 112 of the hand piece 11. The key 131 is mounted in the hollow 112 of the hand piece 11, and a part of the key 131 protrudes outside the hand piece 11 through the opening 113. One end of the key 131 is provided with a buckle 1313, the buckle 1313 is clamped with the clamping groove 124, and the key 131 is clamped with the collecting spoon 12. One end of the spring 132 is connected with the side wall of the hollow cavity 112, the other end of the spring 132 is connected with one end of the key 131 far away from the collecting spoon 12, the spring 132 is always in a compressed state, and the spring 132 is used for driving the key 131 to reset.
The principle of automatic separation of the sample collector 1 of the present embodiment is as follows:
in a state that the key 131 is not pressed, the buckle 1313 of the key 131 is clamped in the clamping groove 124 of the collecting spoon 12 to form clamping connection, at the moment, the collecting spoon 12 is stably connected with the hand piece 11, and the sample collector 1 can be used for collecting a fecal sample;
in the state of pressing the key 131, the buckle 1313 of the key 131 is separated from the clamping groove 124 of the collecting spoon 12, the collecting spoon 12 is released from clamping with the key 131, and the collecting spoon 12 falls freely under the action of gravity and is separated from the hand piece 11.
The hand piece 11 can be reused, after the collecting spoon 12 after sampling is separated, when an unused collecting spoon 12 is reinstalled, the button 13 is pressed firstly, the clamping part 121 of the collecting spoon 12 is inserted into the bayonet 111 of the hand piece 11, the button 13 is loosened again, and the clamping buckle 1313 of the key 131 is clamped into the clamping groove 124 of the collecting spoon 12 to form clamping connection of the collecting spoon 12.
The sample collection device provided by the embodiment can also realize the automatic separation of the collection spoon 12 and the handheld piece 11, and is convenient for a user to operate.
In one embodiment, a sample collector is provided, which is the sample collector 1 in any of the above embodiments. In this embodiment, the sample collector is sold as a separate component, which can be used to adapt to sampling tubes of different capacities.
The foregoing description of the application has been presented for purposes of illustration and description, and is not intended to be limiting. Several simple deductions, modifications or substitutions may also be made by a person skilled in the art to which the application pertains, based on the idea of the application.
Claims (15)
1. A sample acquisition device, comprising:
the sample collector comprises a hand piece and a collecting spoon, wherein the collecting spoon is detachably connected to one end of the hand piece and is used for collecting excrement; and
the sample tube comprises a tube body and a tube cap, wherein the tube cap is detachably connected to the tube body, and the tube body is used for storing the collecting spoon for collecting the excrement.
2. The sample acquisition device of claim 1, wherein the sample tube is adapted for use with a detection device, the sample tube being used for on-board detection.
3. The sample acquisition device of claim 1, wherein the sample tube has a capacity of 5-30ml.
4. The sample acquisition device of claim 1, wherein the length of the acquisition scoop is less than half the depth of the tube.
5. The sample acquisition device of any one of claims 1 to 4, wherein one end of the hand piece is provided with a bayonet, the acquisition scoop has a clamping portion, and the clamping portion of the acquisition scoop is detachably connected with the bayonet.
6. The sample acquisition device of claim 5, wherein the sample collector further comprises a separation assembly mounted on the handpiece, the separation assembly being coupled to the acquisition scoop, the separation assembly for driving the acquisition scoop away from the handpiece.
7. The sample acquisition device of claim 6, wherein the separation assembly comprises a key, a spring, and a push rod, the handpiece having a hollow cavity, the bayonet in communication with the hollow cavity, the sides of the handpiece further being provided with an opening in communication with the hollow cavity; the spring and the push rod are arranged in the hollow cavity, one end of the spring is connected with the end part of the hollow cavity, the other end of the spring is connected with one end of the push rod, which is far away from the spring, is connected with the clamping part of the collecting spoon, the key is arranged at the opening, part of the key is positioned in the hollow cavity and is clamped with the push rod, and part of the key is exposed out of the opening; and in a state of pressing the key, the key is released from being clamped with the push rod, and the spring drives the push rod to separate the collecting spoon from the handheld piece.
8. The sample collection device according to claim 7, wherein the push rod is provided with a limiting portion, the limiting portion is provided with an axial avoidance hole, the key is abutted against one side, away from the spring, of the limiting portion, and the key is used for pushing and sliding into the avoidance hole to release the clamping connection with the push rod.
9. The sample acquiring device according to claim 8, wherein a spring is provided on a side of the key facing the push rod, the spring being abutted against the push rod, the spring being used for driving the key to reset.
10. The sample acquisition device of claim 6, wherein the separation assembly comprises a key and a spring, the hand piece has a hollow cavity, the bayonet is in communication with the hollow cavity, an opening in communication with the hollow cavity is further provided on a side of the hand piece, one end of the spring is connected with an end of the hollow cavity, the other end of the spring is connected with a clamping part of the acquisition spoon, the clamping part has a radial protruding part, the protruding part is clamped in the opening, the key is mounted on an outer side of the hand piece, and the key is aligned with the opening; under the state of pressing the button, the button promotes the bulge to release with the joint of opening, the spring drive gather spoon with the hand-held piece separation.
11. The sample collection device of claim 6, wherein the separation assembly comprises a button and a spring, the hand piece is provided with a hollow cavity, the bayonet is communicated with the hollow cavity, an opening communicated with the hollow cavity is further formed in the side face of the hand piece, a part of the button is positioned in the hollow cavity, a part of the button is exposed out of the hand piece through the opening, the button is provided with a buckle, the clamping part of the collection spoon is provided with a clamping groove, the buckle is in clamping connection with the clamping groove, one end of the spring is connected with the side wall of the hollow cavity, the other end of the spring is connected with the button, and the spring is used for driving the button to reset; under the state of pressing the button, the button promotes the buckle to release with the joint of draw-in groove, gather the spoon under the importance of gravity with the hand-held member separation.
12. The sample acquisition device of claim 1, further comprising a funnel for plugging onto the tube to assist in placement of the collection scoop and fecal matter into the tube.
13. A sample collector, comprising: the excrement collecting device comprises a hand piece and a collecting spoon, wherein the collecting spoon is detachably connected to one end of the hand piece and is used for collecting excrement; one end of the handheld piece is provided with a bayonet, the collecting spoon is provided with a clamping part, and the clamping part of the collecting spoon is detachably connected with the bayonet.
14. The sample collector of claim 13 further comprising a separation assembly mounted on the handpiece, the separation assembly being coupled to the collection scoop, the separation assembly for driving the collection scoop away from the handpiece.
15. The sample collector of claim 14 wherein the separation assembly comprises a key, a spring and a push rod, the handpiece having a hollow cavity, the bayonet in communication with the hollow cavity, the sides of the handpiece further being provided with an opening in communication with the hollow cavity; the spring and the push rod are arranged in the hollow cavity, one end of the spring is connected with the end part of the hollow cavity, the other end of the spring is connected with one end of the push rod, which is far away from the spring, is connected with the clamping part of the collecting spoon, the key is arranged at the opening, part of the key is positioned in the hollow cavity and is clamped with the push rod, and part of the key is exposed out of the opening; and in a state of pressing the key, the key is released from being clamped with the push rod, and the spring drives the push rod to separate the collecting spoon from the handheld piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210136128.5A CN116636881A (en) | 2022-02-15 | 2022-02-15 | Sample collection device and sample collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210136128.5A CN116636881A (en) | 2022-02-15 | 2022-02-15 | Sample collection device and sample collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116636881A true CN116636881A (en) | 2023-08-25 |
Family
ID=87642239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210136128.5A Pending CN116636881A (en) | 2022-02-15 | 2022-02-15 | Sample collection device and sample collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116636881A (en) |
-
2022
- 2022-02-15 CN CN202210136128.5A patent/CN116636881A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2014335732B2 (en) | Biopsy sampler and sample collector | |
| US5000193A (en) | Medical swab device | |
| US8871155B2 (en) | Devices for detecting analytes in fluid sample | |
| FI973025A0 (en) | Sampling device for cervical tissue | |
| WO2006036163A3 (en) | Oral fluid sampling device and method | |
| US20080139962A1 (en) | Analyte Collection Apparatus and Method | |
| EP3989839B1 (en) | Specimen collection device | |
| CN116636881A (en) | Sample collection device and sample collector | |
| CN217696637U (en) | Sample collection device and sample collector | |
| CN102032996A (en) | Disposable excrement collector | |
| CN108645644B (en) | Excrement specimen collecting and retaining device | |
| US20030183546A1 (en) | Needle-disposable insert for sharps disposal | |
| CN214702781U (en) | Sampling device is assisted to excrement and urine | |
| CN215424782U (en) | Clinical laboratory's urine sampler | |
| CN201852721U (en) | Disposable excrement collector | |
| CN214567022U (en) | Urine test paper box | |
| CN219895739U (en) | Mouse eyeball hemostix | |
| CN219000351U (en) | Press-falling type disposable sampler | |
| CN214965934U (en) | Animal intestinal flora sampling device | |
| CN110720956A (en) | Urine collection device | |
| JP2001183362A5 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |