CN219161714U - Puncture sampling device, sampling system and detector - Google Patents

Abstract

The application discloses puncture sampling device includes: an inner needle (1) and an outer needle (2) which are sleeved with each other; an inner needle lifting mechanism (3) for driving the inner needle (1) to vertically move; an outer needle lifting mechanism (4) for driving the outer needle (2) to vertically move; and a translation mechanism (5) for driving the inner needle (1) and the outer needle (2) to translate together. The application also provides a sampling system and a detector. The puncture sampling device, the sampling system and the detector are high in durability, difficult to damage or block, and high in working efficiency.

Description

Puncture sampling device, sampling system and detector

Technical Field

The application relates to the technical field of detection equipment, in particular to a puncture sampling device, a sampling system and a detector.

Background

Microscopic examination of blood smears is a fundamental method of blood cytology, and has great value in particular for diagnosis of various blood diseases, and is widely used in clinical examination.

Blood smear preparation requires the collection of a blood sample that is then added to a slide for a smear operation. The existing blood sample to be detected is stored in the blood collection tube in a sealing way, and the full-automatic blood detection device sucks blood in the blood collection tube by using the blood collection needle. The sampling needle needs to puncture a rubber plug on the blood collection tube and then carry out the operation of sucking the sample, and the sampling needle is easy to damage and can be blocked.

Disclosure of Invention

In order to solve the above technical problems, a first object of the present utility model is to provide a puncture sampling device; a second object of the present utility model is to provide a sampling system; a third object of the present utility model is to provide a detector; the puncture sampling device, the sampling system and the detector are high in durability, difficult to damage or block, and high in working efficiency.

The technical scheme provided by the utility model is as follows:

a lancing sampling device comprising: an inner needle and an outer needle sleeved with each other;

an inner needle lifting mechanism for driving the inner needle to vertically move;

an outer needle lifting mechanism for driving the outer needle to vertically move;

and a translation mechanism for driving the inner needle and the outer needle to translate together.

Preferably, the inner needle is in sliding connection with the inner needle lifting mechanism, the outer needle is in sliding connection with the outer needle lifting mechanism, the inner needle lifting mechanism and the outer needle lifting mechanism are arranged on the mounting plate, and the mounting plate is in sliding connection with the translation mechanism.

Preferably, the translation mechanism comprises a translation power source, a translation transmission mechanism and a translation guide piece, the mounting plate is in sliding connection with the translation guide piece, and the translation transmission mechanism is in power connection with the translation power source and the mounting plate;

the inner needle lifting mechanism comprises an inner needle power source, an inner needle transmission mechanism, an inner needle guide piece and an inner needle sliding block; the inner needle is arranged on the inner needle sliding block; the inner needle sliding block is in sliding connection with the inner needle guide piece; the inner needle transmission mechanism is in power connection with the inner needle power source and the inner needle sliding block;

the outer needle lifting mechanism comprises an outer needle power source, an outer needle transmission mechanism, an outer needle guide piece and an outer needle sliding block; the outer needle is arranged on the outer needle sliding block; the outer needle sliding block is in sliding connection with the outer needle guide piece; the outer needle transmission mechanism is in power connection with the outer needle power source and the outer needle sliding block.

Preferably, the translation transmission mechanism, the inner needle transmission mechanism and the outer needle transmission mechanism adopt screw nuts or synchronous belts for transmission.

Preferably, the device further comprises an inner needle cleaning swab driven by the outer needle lifting mechanism;

the inner needle cleaning swab comprises:

a main body;

the main body is internally provided with a cleaning cavity, the main body is also provided with a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet are respectively communicated with the cleaning cavity through a runner;

the main body is also provided with a vertically through sampling needle channel; the sampling needle channel passes through the cleaning cavity and is divided into an upper channel positioned above the cleaning cavity and a lower channel positioned below the upper channel, and the diameter of the lower channel is larger than that of the upper channel;

the upper channel is used for the inner needle to pass through, and the lower channel is used for the inner needle to pass through and fix the outer needle.

Preferably, an outer needle cleaning swab is further arranged, the outer needle cleaning swab is located below the inner needle cleaning swab, and the outer needle cleaning swab is sleeved outside the outer needle.

A sampling system comprising a puncture sampling device according to any of the preceding claims.

Preferably, the puncture sampling device further comprises a base and a sample feeding mechanism, wherein the puncture sampling device and the sample feeding mechanism are respectively arranged on the base, and the sample feeding mechanism is used for conveying a sample tube to a working position of the puncture sampling device for sampling and then removing the sample tube.

Preferably, the sample feeding mechanism comprises a test tube rack conveying component and a limiting component for limiting the moving direction of the test tube rack;

the puncture sampling device is arranged on the base through the mounting frame, the base is further provided with a guide frame, and the guide frame is provided with guide holes for limiting the inner needle and the outer needle.

A detector comprising a sampling system according to any one of the preceding claims.

To the problem that prior art exists, this application provides a puncture sampling device, set up the interior needle and the outer needle that overlap each other, and by interior needle elevating system, outer needle elevating system drive respectively interior needle and outer needle along vertical direction removal, thereby can control respectively interior needle or outer needle and work under the circumstances that keeps interior needle and outer needle cover to establish, utilize the diameter bigger, and can set up the outer needle puncture plug that the wall thickness is bigger, then sample by interior needle, thereby avoid the direct needle damage's that takes place when puncturing problem in the interior needle of using. Moreover, the puncture sampling device that this application provided has still set up translation mechanism for the translation together of needle and outer needle in the drive, thereby can be with interior needle and the outer needle that the cover was established remove between sampling position and smear position or other positions, and need not to unpack interior needle and outer needle, work efficiency is high.

The puncture sampling device, the sampling system and the detector are high in durability, difficult to damage or block, and high in working efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a sampling system according to an embodiment of the present utility model;

FIG. 2 is an enlarged partial schematic view of FIG. 1;

FIG. 3 is a schematic structural diagram of a puncture sampling device according to an embodiment of the present utility model;

FIG. 4 is an enlarged partial schematic view of FIG. 3;

FIG. 5 is a schematic view of a puncture sampling device according to another embodiment of the present utility model;

FIG. 6 is a schematic cross-sectional view of a lancing sampling device according to an embodiment of the present utility model;

FIG. 7 is a schematic view of the structure of an inner needle cleaning swab in an embodiment of the present utility model;

FIG. 8 is a schematic cross-sectional view of an inner needle cleaning swab (with an inner needle) in an embodiment of the present utility model;

FIG. 9 is a schematic cross-sectional view of an inner needle cleaning swab in an embodiment of the present utility model;

FIG. 10 is a schematic cross-sectional view of an inner needle cleaning swab in another orientation in accordance with embodiments of the present utility model;

FIG. 11 is an enlarged partial schematic view of FIG. 10;

reference numerals: 1-an inner needle; 2-an outer needle; 3-an inner needle lifting mechanism; 31-an inner needle power source; 32-an inner needle transmission mechanism; 321-an inner needle driving wheel; 322-inner needle driven wheel; 323-inner needle synchronous belt; 33-an inner needle guide; 34-an inner needle slider; 4-an outer needle lifting mechanism; 41-an outer needle power source; 42-an outer needle transmission mechanism; 43-outer needle guide; 44-outer needle slide; a 5-translation mechanism; 51-translation transmission mechanism; 511-translating the drive wheel; 512-translating the driven wheel; 513-translating the synchronous belt; 52-translating the guide; 53-mounting plate; 6-cleaning the swab by the inner needle; 61-a body; 62-cleaning the cavity; 63-a liquid inlet; 64-a liquid outlet; 65-sampling needle channel; 651-upper channel; 652-lower channel; 7-cleaning the swab by an outer needle; 8-a base; 81-mounting rack; 82-a guide frame; 83-a guide hole; 9-a sample feeding mechanism; 91-a limiting component.

Detailed Description

In order to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" or "a number" is two or more, unless explicitly defined otherwise.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the scope of the present disclosure, since any structural modifications, proportional changes, or dimensional adjustments made by those skilled in the art should not be made in the present disclosure without affecting the efficacy or achievement of the present disclosure.

As shown in the drawings, an embodiment of the present utility model provides a puncture sampling apparatus, including: an inner needle 1 and an outer needle 2 sleeved with each other;

an inner needle lifting mechanism 3 for driving the inner needle 1 to vertically move;

an outer needle lifting mechanism 4 for driving the outer needle 2 to vertically move;

a translation mechanism 5 for driving the translation of the inner needle 1 and the outer needle 2 together.

To the problem that prior art exists, this application provides a puncture sampling device, set up the inner needle 1 and the outer needle 2 that overlap each other, and by inner needle elevating system 3, outer needle elevating system 4 drive respectively inner needle 1 and outer needle 2 remove along vertical direction, thereby can control respectively inner needle 1 or outer needle 2 and work under the circumstances that inner needle 1 and outer needle 2 cover were established in keeping, utilize the diameter bigger, and can set up the outer needle 2 puncture plug that the wall thickness is bigger, then sample by inner needle 1, thereby avoid directly using the impaired problem of needle that easily takes place when inner needle 1 punctures. Moreover, the puncture sampling device that this application provided has still set up translation mechanism 5 for the translation together of drive inner needle 1 and outer needle 2, thereby can be with interior needle 1 and the outer needle 2 that the cover was established remove between sampling position and smear position or other positions, and need not to unpack interior needle 1 and outer needle 2, work efficiency is high.

The puncture sampling device that this application provided, the durability is strong, not fragile or jam, work efficiency is high.

Preferably, the inner needle 1 is slidably connected with the inner needle lifting mechanism 3, the outer needle 2 is slidably connected with the outer needle lifting mechanism 4, the inner needle lifting mechanism 3 and the outer needle lifting mechanism 4 are arranged on the mounting plate 53, and the mounting plate 53 is slidably connected with the translation mechanism 5.

Preferably, the translation mechanism 5 drives the inner needle 1 and the outer needle 2 to move together, and the inner needle lifting mechanism 3 and the outer needle lifting mechanism 4 are arranged on the mounting plate 53, and then the translation mechanism 5 drives the mounting plate 53 to slide. By using the mounting plate 53, when the translation mechanism 5 drives the inner needle 1 and the outer needle 2 to translate, the work of the inner needle lifting mechanism 3 and the outer needle lifting mechanism 4 is not affected.

Preferably, the translation mechanism 5 comprises a translation power source, a translation transmission mechanism 51 and a translation guide 52, the mounting plate 53 is slidably connected with the translation guide 52, and the translation transmission mechanism 51 is in power connection with the translation power source and the mounting plate 53;

the inner needle lifting mechanism 3 comprises an inner needle power source 31, an inner needle transmission mechanism 32, an inner needle guide 33 and an inner needle slide block 34; the inner needle 1 is arranged on an inner needle sliding block 34; the inner needle slider 34 is slidably connected with the inner needle guide 33; the inner needle transmission mechanism 32 is in power connection with the inner needle power source 31 and the inner needle sliding block 34;

the outer needle lifting mechanism 4 comprises an outer needle power source 41, an outer needle transmission mechanism 42, an outer needle guide 43 and an outer needle sliding block 44; the outer needle 2 is mounted on an outer needle slider 44; the outer needle slider 44 is slidably connected with the outer needle guide 43; the outer needle transmission mechanism 42 is in power connection with the outer needle power source 41 and the outer needle slider 44.

Wherein, the translation power source can use the motor.

Preferably, the translation transmission mechanism 51, the inner needle transmission mechanism 32 and the outer needle transmission mechanism 42 adopt screw nuts or synchronous belts for transmission.

Preferably, the translation mechanism 5, the inner needle lifting mechanism 3 and the outer needle lifting mechanism 4 respectively comprise a power source, a transmission mechanism, a guide piece and a sliding block. The power of the power source is transmitted to the sliding block by the transmission mechanism, and meanwhile, the sliding movement is guided by the guide piece, so that the direction of each movement is ensured not to change.

The transmission mechanism is preferably driven by a screw nut or a synchronous belt.

It is further preferred that the translation drive mechanism 51 and the outer needle drive mechanism 42 are driven by a timing belt, and that the inner needle drive mechanism 32 is driven by a lead screw nut.

Specifically, the translation transmission mechanism 51 includes a translation driving wheel 511, a translation driven wheel 512, and a translation timing belt 513; the translation driving wheel 511 is connected with the output end of the translation power source, the translation synchronous belt 513 is sleeved on the periphery of the translation driving wheel 511 and the translation driven wheel 512, and the mounting plate 53 is fixedly connected with the translation synchronous belt 513.

The inner needle transmission mechanism 32 comprises an inner needle driving wheel 321, an inner needle driven wheel 322 and an inner needle synchronous belt 323, wherein the inner needle driving wheel 321 is connected with the output end of the inner needle power source 31, the inner needle synchronous belt 323 is sleeved on the peripheries of the inner needle driving wheel 321 and the inner needle driven wheel 322, and the inner needle sliding block 53 is fixedly connected with the inner needle synchronous belt 323.

The outer needle transmission mechanism 42 is a screw rod, and the screw rod is connected with the output end of the outer needle power source 41; and the lead screw is screwed with the outer needle slider 44.

Preferably, the inner needle cleaning swab 6 is further included, and the inner needle cleaning swab 6 is driven by the outer needle lifting mechanism 4;

the inner needle cleaning swab 6 includes:

a main body 61;

the main body 61 is internally provided with a cleaning cavity 62, the main body 61 is also provided with a liquid inlet 63 and a liquid outlet 64, and the liquid inlet 63 and the liquid outlet 64 are respectively communicated with the cleaning cavity 62 through flow channels;

the main body 61 is also provided with a vertically through sampling needle channel 65; the sampling needle channel 65 passes through the washing chamber 62 and is divided into an upper channel 651 above the washing chamber 62 and a lower channel 652 below it, the diameter of the lower channel 652 being greater than the diameter of the upper channel 651;

the upper channel 651 allows the inner needle 1 to pass therethrough, and the lower channel 652 allows the inner needle 1 to pass therethrough and secure the outer needle 2.

To the cleaning problem of inner needle under the condition is established to the cover of inside and outside needle, this application still provides inner needle and washs swab 6, washs inner needle 1, and simultaneously with outer needle 2 fixed on inner needle washswab 6, utilize outer needle elevating system 4 to drive to go up and down, combine into one with the originally seat that needs to set up of outer needle 2 and inner needle washswab 6, can wash inner needle 1, can drive outer needle 2 again and go up and down, simplify the structure. Specifically, the inner needle cleaning swab 6 and the outer needle slider 44 may be fixedly connected to each other, and moved integrally.

The structure of the inner needle cleaning swab 6 is specifically as follows: the main body 61 is provided with a cleaning cavity 62 and a vertically through sampling needle channel 65, the inner needle 1 can pass through the upper channel 651 and the lower channel 652 at the same time and vertically ascend and descend in the upper channel 652, so that the inner needle 1 can ascend and descend in the cleaning cavity 62 and is cleaned by the cleaning liquid flowing into the cleaning cavity 62 from the liquid inlet 63, and the cleaned liquid is discharged from the liquid outlet 64; meanwhile, the outer needle 2 is fixed in the lower channel 652 with larger diameter, so that the position relationship of the inner needle in the outer needle can be still kept unaffected in the process of cleaning by vertically lifting the inner needle.

Preferably, an outer needle cleaning swab 7 is further arranged, the outer needle cleaning swab 7 is positioned below the inner needle cleaning swab 6, and is sleeved outside the outer needle 2.

The outer needle 2 is used for puncturing the rubber plug, and the puncturing depth is controlled well so that the outer needle 2 can be prevented from contacting the sample. However, for reliability of the multiple test, it is preferable to further provide an outer needle cleaning swab 7, the outer needle cleaning swab 7 being located below the inner needle cleaning swab 6, being fitted over the outer side of the outer needle 2, and cleaning the outer needle during the outer needle movement. The outer needle cleaning swab 7 may be a cleaning swab commonly used in the art, and also includes a circumferential channel through which the outer needle 2 passes, and a cleaning chamber and a flow channel through which cleaning liquid enters and exits.

A sampling system comprising a puncture sampling device according to any of the preceding claims.

The application also provides an adoption system, adopts above-mentioned arbitrary puncture sampling device, realizes high-efficient, stable puncture sample.

Preferably, the puncture sampling device further comprises a base 8 and a sampling mechanism 9, wherein the puncture sampling device and the sampling mechanism 9 are respectively arranged on the base 8, and the sampling mechanism 9 is used for conveying a sample tube to a working position of the puncture sampling device for sampling and then removing the sample tube.

The preferred sampling system further comprises a base 8 and a sampling mechanism 9, wherein the puncture sampling device and the sampling mechanism 9 are respectively arranged on the base 8, the sampling mechanism 9 is used for conveying a sample tube to a working position of the puncture sampling device for sampling, and then the sample tube is removed.

Preferably, the sample feeding mechanism 9 includes a rack conveying member and a limiting member 91 for limiting the moving direction of the rack;

the puncture sampling device is arranged on the base 8 through the mounting frame 81, the base 8 is further provided with a guide frame 82, and the guide frame 82 is provided with a guide hole 83 for limiting the inner needle 1 and the outer needle 2.

The sample tubes are usually discharged in the test tube rack, and the sample feeding mechanism 9 moves the test tube rack so that the sample tubes sequentially pass through the sampling work position and then feed out the test tube rack; in order to ensure that the sample tube can accurately reach the sampling working position in the moving process of the test tube rack, a limiting part 91 is further arranged to guide the progress of the test tube rack. The limiting member 91 may be a limiting clip, and is disposed at a position higher than the test tube rack, so that the sample tube is sequentially clamped by the limiting clip during the movement process, and the position is maintained accurately. In addition, when the sampling system is used as a part of the detector, a feeding and discharging structure of the test tube rack can be matched with the sample feeding mechanism 9.

The puncture sampling device is arranged on the base 8 through the mounting frame 81, the base 8 is further provided with a guide frame 82, the guide frame 82 is provided with a guide hole 83 for limiting the inner needle 1 and the outer needle 2, and the sample tube passing under the inner needle 1 and the outer needle 2 is sequentially punctured.

A detector comprising a sampling system according to any one of the preceding claims.

The application also provides a detector using the sampling system. Other configurations of detection systems, sample processing systems, etc. of the detector may use configurations conventionally known in the art.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A lancing sampling device, comprising: an inner needle (1) and an outer needle (2) which are sleeved with each other;

an inner needle lifting mechanism (3) for driving the inner needle (1) to vertically move;

an outer needle lifting mechanism (4) for driving the outer needle (2) to vertically move;

and a translation mechanism (5) for driving the inner needle (1) and the outer needle (2) to translate together.

2. The puncture sampling device according to claim 1, characterized in that the inner needle (1) is slidingly connected with the inner needle lifting mechanism (3), the outer needle (2) is slidingly connected with the outer needle lifting mechanism (4), the inner needle lifting mechanism (3) and the outer needle lifting mechanism (4) are arranged on a mounting plate (53), and the mounting plate (53) is slidingly connected with the translation mechanism (5).

3. The puncture sampling device according to claim 2, characterized in that the translation mechanism (5) comprises a translation power source, a translation transmission mechanism (51) and a translation guide (52), the mounting plate (53) is slidably connected with the translation guide (52), and the translation transmission mechanism (51) is in power connection with the translation power source and the mounting plate (53);

the inner needle lifting mechanism (3) comprises an inner needle power source (31), an inner needle transmission mechanism (32), an inner needle guide piece (33) and an inner needle sliding block (34); the inner needle (1) is arranged on an inner needle sliding block (34); the inner needle sliding block (34) is in sliding connection with the inner needle guide piece (33); the inner needle transmission mechanism (32) is in power connection with the inner needle power source (31) and the inner needle sliding block (34);

the outer needle lifting mechanism (4) comprises an outer needle power source (41), an outer needle transmission mechanism (42), an outer needle guide piece (43) and an outer needle sliding block (44); the outer needle (2) is arranged on an outer needle sliding block (44); the outer needle sliding block (44) is in sliding connection with the outer needle guide piece (43); the outer needle transmission mechanism (42) is in power connection with the outer needle power source (41) and the outer needle sliding block (44).

4. A puncture sampling device according to claim 3, characterized in that the translation transmission mechanism (51), the inner needle transmission mechanism (32) and the outer needle transmission mechanism (42) are driven by a screw nut or a synchronous belt.

5. The puncture sampling device according to any of claims 1 to 4, further comprising an inner needle cleaning swab (6), the inner needle cleaning swab (6) being driven by an outer needle lifting mechanism (4);

the inner needle cleaning swab (6) comprises:

a main body (61);

the main body (61) is internally provided with a cleaning cavity (62), the main body (61) is also provided with a liquid inlet (63) and a liquid outlet (64), and the liquid inlet (63) and the liquid outlet (64) are respectively communicated with the cleaning cavity (62) through flow channels;

the main body (61) is also provided with a vertically through sampling needle channel (65); the sampling needle channel (65) passes through the cleaning cavity (62) and is divided into an upper channel (651) positioned above the cleaning cavity (62) and a lower channel (652) positioned below the upper channel, and the diameter of the lower channel (652) is larger than that of the upper channel (651);

the upper channel (651) is used for the inner needle (1) to pass through, and the lower channel (652) is used for the inner needle (1) to pass through and fix the outer needle (2).

6. The puncture sampling device according to claim 5, further comprising an outer needle cleaning swab (7), wherein the outer needle cleaning swab (7) is located below the inner needle cleaning swab (6) and sleeved outside the outer needle (2).

7. A sampling system comprising the lancing sampling device of any one of claims 1-6.

8. The sampling system according to claim 7, further comprising a base (8), a sample feeding mechanism (9), wherein the puncture sampling device and the sample feeding mechanism (9) are respectively mounted on the base (8), and the sample feeding mechanism (9) is used for conveying a sample tube to a working position of the puncture sampling device for sampling and then removing the sample tube.

9. The sampling system according to claim 8, wherein the sample feeding mechanism (9) comprises a rack conveying part and a limiting part (91) for limiting the moving direction of the rack;

the puncture sampling device is arranged on the base (8) through the mounting frame (81), the base (8) is further provided with the guide frame (82), and the guide frame (82) is provided with the guide hole (83) for limiting the inner needle (1) and the outer needle (2).

10. A detector comprising the sampling system of any one of claims 7-9.

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