CN215115235U

CN215115235U - Biological material extraction element that examines

Info

Publication number: CN215115235U
Application number: CN202023230187.4U
Authority: CN
Inventors: 蔡鸣; 赵建; 韩亮; 曾旭阳
Original assignee: Zhuhai Xiangzhen Biotechnology Co ltd
Current assignee: Zhuhai Xiangzhen Biotechnology Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-12-10
Anticipated expiration: 2030-12-28

Abstract

The utility model relates to a medical science sample technical field discloses a material extraction element is examined to biology, including the outer tube, be equipped with movable rod piece vertically in the outer tube, the needle tubing is installed to movable rod piece's lower extreme, is equipped with in the needle tubing and draws the needle, and the lower extreme that draws the needle is equipped with the sample groove, and the needle tubing can draw the needle relatively and slide from top to bottom in order to expose or seal the sample groove, and movable rod piece overcoat is equipped with first spring, the upper end butt movable rod piece of first spring, and the outer tube is equipped with stop gear, drives needle tube gliding to needle tube closed sample groove when movable rod piece, and stop gear can restrict movable rod piece upward movement. The viscera does not need to be cut and damaged, the sample can be extracted only by directly inserting the extraction needle into the viscera tissues, and the sample is sealed by the needle tube in the sampling groove, so that the cross contamination of the sample is effectively avoided, and the secondary material taking can be carried out, so that the extraction of the viscera tissue samples in the forensic autopsy work is more convenient and efficient, the steps are saved, the operation is greatly simplified, and the time is saved.

Description

Biological material extraction element that examines

Technical Field

The utility model relates to a medical science sample technical field especially relates to a material extraction element is examined to biology.

Background

In the traditional forensic autopsy work, for some special cases, in order to more effectively confirm the cause of death, pathological examination needs to be performed on internal organs (liver, kidney, lung, and the like) of a cadaver, so that an internal organ tissue sample needs to be extracted. The traditional extraction method is that the required viscera are taken out after the corpse is dissected, and the segmental cutting is carried out from the outer surface of the viscera to the internal tissues by tools such as a scalpel (in order to prevent the cross contamination phenomenon, a plurality of disposable scalpels are sequentially operated to complete the work under the condition of individual extraction), and then the viscera tissues are extracted. However, in the process of extracting the visceral organ tissues, due to the problems of storage environment, experimental requirements and the like, in actual work, the external environment pollutes the surfaces of the visceral organs, the phenomenon of cross contamination between extracted samples is easy to occur, and the purity of the visceral organ tissue samples in forensic experiments is difficult to guarantee, so that experimental data is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a biological material extraction device, which solves the problems that the existing visceral organ tissue sample extraction process is complex and cross contamination is easy to occur.

The utility model provides a technical scheme that its technical problem adopted does:

the utility model provides a biological material extraction element that examines, includes the outer tube, be equipped with movable rod piece vertically in the outer tube, the needle tubing is installed to movable rod piece's lower extreme, be equipped with in the needle tubing and draw the needle, the lower extreme that draws the needle is equipped with the sample groove, the needle tubing can draw the needle relatively and slide from top to bottom in order to expose or seal the sample groove, movable rod piece overcoat is equipped with first spring, the upper end butt movable rod piece of first spring, the outer tube is equipped with stop gear, works as movable rod piece drives needle tubing lapse to needle tubing seal the sample groove, stop gear can restrict movable rod piece upward movement.

As an improvement of the above technical scheme, stop gear wears to locate the first button of outer tube upper portion lateral wall including moving about, the one end of first button is located the outside of outer tube, be equipped with the second spring between the other end of first button and the outer tube, the other end of first button is equipped with the locating part, the upper portion correspondence of activity member is equipped with the spacing groove, works as the activity member drives the needle tubing and slides down to needle tubing closed sample groove, the locating part can block under the effect of second spring and locate the spacing groove.

As an improvement of the above technical solution, the first button has vertically been seted up first groove of dodging, the first groove of dodging is worn to locate on the upper portion of activity member, the locating part is the member, the locating part level runs through first groove of dodging.

As an improvement of the technical scheme, a second avoiding groove is vertically formed in the side wall of the upper portion of the needle tube, a dismounting mechanism is arranged on the lower portion of the outer tube, and a connecting end of the dismounting mechanism can penetrate through the second avoiding groove to be connected with the upper portion of the extraction needle.

As the improvement of above-mentioned technical scheme, the second button of outer tube lower part lateral wall is worn to locate including moving about to the disassembly body, the one end of second button is located the outside of outer tube, be equipped with the third spring between the other end of second button and the outer tube, the other end of second button is equipped with joint spare, the upper portion correspondence of drawing the needle is equipped with the joint groove, joint spare can pass the second under the effect of third spring and dodge the groove and insert the joint groove.

As the improvement of above-mentioned technical scheme, the second button is equipped with the third vertically and dodges the groove, the needle tubing is worn to locate the third and is dodged the groove, the joint groove is the rectangular channel, the joint spare is the wedge, the inclined plane of wedge is down, the joint spare passes through the connecting rod to be fixed in the third and dodges the inside in groove.

As an improvement of the above technical scheme, the lower end of the movable rod piece is provided with a mounting groove in an upward concave manner, the upper end of the needle tube is inserted into the mounting groove, the side wall of the mounting groove is penetrated by a telescopic piece, the side wall of the needle tube is provided with a positioning hole, and the telescopic piece can be penetrated into the positioning hole.

As an improvement of the above technical solution, the extensible member includes an extensible main body and a positioning block disposed at one end of the extensible main body, the interior of the other end of the extensible main body is horizontally provided with a receiving groove, the lower end of the movable rod is provided with a stopper, a part of the stopper is located in the receiving groove, the receiving groove is provided with a fourth spring, and the positioning block can be inserted into the positioning hole under the action of the fourth spring.

As above-mentioned technical scheme's improvement, the second button of outer tube lower part lateral wall is worn to locate including moving about to the disassembly body, the one end of second button is located the outside of outer tube, be equipped with the third spring between the other end of second button and the outer tube, the second button is equipped with the third vertically and dodges the groove, the needle tubing is worn to locate the third and is dodged the groove, the control rod is still worn to be equipped with by the other end of flexible main part, works as activity member gliding to preset position, the lower extreme of activity member is located the third and dodges the inslot, the control rod is located one side of the other end of second button, but the horizontal slip of second button is so that the other end of second button is contradicted or is kept away from the control rod.

As an improvement of the technical scheme, a press handle is arranged at the upper end of the movable rod piece, a slide way is arranged at the upper end of the outer tube, the press handle can slide along the slide way, a handle placing groove is formed in the lower end of the slide way, and the press handle can be contained in the handle placing groove.

The utility model discloses wherein the beneficial effect of one side has:

according to one aspect of the disclosure, when the biological detection material extraction device is not used, in order to avoid external pollution, the needle tube is in a state of closing the sampling groove, when the biological detection material extraction device is used, the extraction needle is directly inserted into the visceral organ tissues at a preset position, then the movable rod piece is controlled to slide upwards and expose the sampling groove, the sampling groove at the lower end of the extraction needle is filled with the visceral organ tissues, then the movable rod piece is controlled to slide downwards to the closed sampling groove, the visceral organ tissues in the sampling groove are closed in the sampling groove to form a sample, and then the extraction device is pulled out; like this, need not cut the internal organs and damaged, only need directly insert the internal organs tissue with this extraction element and can extract the sample, moreover, the sample is sealed by the needle tubing in the sample groove, has effectively avoided the cross contamination of sample to can carry out the secondary and draw materials, make the extraction of the internal organs tissue sample more convenient high-efficient in the homework of legal medical expert's necropsy, save the step, simplify the operation greatly, save the time. In addition, the upper end butt activity member of first spring lasts for the activity member provides ascending effort, the exposure of sampling groove when being convenient for use.

Drawings

The present invention will be further described with reference to the accompanying drawings and specific embodiments, wherein:

fig. 1 is a schematic perspective view showing a sampling groove according to one embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of the sampling groove of one embodiment of the present invention;

fig. 3 is a schematic perspective view of a closed sampling tank according to one embodiment of the present invention;

fig. 4 is a schematic view of a partial cross-sectional structure of the needle cannula and the extraction needle according to one embodiment of the present invention.

Detailed Description

Referring to fig. 1-3, the utility model discloses a biological material extraction element that examines, including outer tube 1, be equipped with movable rod piece 2 in the outer tube 1 vertically, needle tubing 5 is installed to the lower extreme of movable rod piece 2, be equipped with in the needle tubing 5 and draw needle 6, the lower extreme that draws needle 6 is equipped with sample groove 61, needle tubing 5 can draw needle 6 relative and slide from top to bottom in order to expose or seal

sample groove

61, 2 overcoat of movable rod piece are equipped with first spring 3, the upper end butt movable rod piece 2 of first spring 3, outer tube 1 is equipped with stop gear 4, works as movable rod piece 2 drives needle tubing 5 and slides down to needle tubing 5 and seals sample groove 61, stop gear 4 can restrict 2 upward movements of movable rod piece.

Specifically, when the biological detection material extraction device is not used, in order to avoid external pollution, the needle tube 5 is in a state of closing the sampling groove 61, when the device is used, the extraction needle is directly inserted into the organ tissues at a preset position, then the movable rod piece is controlled to slide upwards and expose the sampling groove, the sampling groove 61 at the lower end of the extraction needle 6 is filled with the organ tissues, then the movable rod piece 2 is controlled to slide downwards to close the sampling groove 61, the organ tissues in the sampling groove 61 are closed in the sampling groove 61 to form a sample, and then the extraction device is pulled out; like this, need not cut the internal organs and damaged, only need directly insert the internal organs tissue with this extraction element and can extract the sample, moreover, the sample is sealed by needle tubing 5 in sample groove 61, has effectively avoided the cross contamination of sample to can carry out the secondary and draw materials, make the extraction of the internal organs tissue sample more convenient high-efficient in the work of legal medical expert's autopsy, save the step, simplify the operation greatly, save the time. In addition, the upper end of the first spring 3 abuts against the movable rod member 2, and continuously provides an upward acting force for the movable rod member 2, so that the sampling groove 61 is exposed when the sampling device is used conveniently.

In this embodiment, the lower end of the extraction needle 6 is provided with three sampling grooves 61, so as to extract enough visceral tissue samples. Further, the lower end of the extracting needle 6 is provided with a sharp needle head 63, and the shape of the needle head 63 may be various, for example, a tapered shape, a bird's beak shape, and the like.

Further, stop gear 4 is including passing through the first button 41 of locating in outer tube 1 upper portion lateral wall movably, the one end of first button 41 is located the outside of outer tube 1, be equipped with second spring 42 between the other end of first button 41 and the outer tube 1, the other end of first button 41 is equipped with locating part 43, the upper portion correspondence of activity member 2 is equipped with spacing groove 21, works as activity member 2 drives needle tubing 5 and slides down to needle tubing 5 and seals sample groove 61, limiting part 43 can block under the effect of second spring 42 and locate spacing groove 21. When one end of the first button 41 is pressed, the limiting member 43 exits the limiting groove 21, and the movable rod 2 moves upward under the action of the first spring 3 to expose the sampling groove 61. Thus, the first button 41 functions to eject the sampling slot 61, facilitating the sampling operation.

Furthermore, a pressing handle 26 is arranged at the upper end of the movable rod 2, a slide rail 11 is arranged at the upper end of the outer tube 1, the pressing handle 26 can slide along the slide rail 11, a handle placing groove 12 is arranged at the lower end of the slide rail 11, and the pressing handle 26 can be accommodated in the handle placing groove 12. The push handle 26 is pressed to push the movable rod 2 to slide down to the closed sampling groove 61, so as to avoid cross contamination caused by the contact of the sample in the sampling groove 61 with other tissues.

Referring to fig. 2, in the present embodiment, the first button 41 is vertically provided with a first avoiding groove 44, the upper portion of the movable rod 2 penetrates through the first avoiding groove 44, the limiting member 43 is a rod, the limiting member 43 horizontally penetrates through the first avoiding groove 44, and the connecting structure of the limiting member 43 is stable.

Moreover, a second avoiding groove 51 is vertically formed in the side wall of the upper portion of the needle tube 5, a detaching mechanism 7 is arranged on the lower portion of the outer tube 1, and a connecting end of the detaching mechanism 7 can pass through the second avoiding groove 51 to be connected with the upper portion of the extraction needle 6.

Referring to fig. 2 and 4 specifically, the detaching mechanism 7 includes a second button 71 movably disposed through the lower sidewall of the outer tube 1, one end of the second button 71 is located outside the outer tube 1, a third spring 72 is disposed between the other end of the second button 71 and the outer tube 1, the other end of the second button 71 is provided with a locking member 73, the upper portion of the extraction needle 6 is correspondingly provided with a locking groove 62, and the locking member 73 can pass through the second avoiding groove 51 and be inserted into the locking groove 62 under the action of the third spring 72. And pressing the second button 71, the third spring 72 is compressed, the clamping piece 73 is far away from the clamping groove 62, the extraction needle 6 can be dismounted downwards, and the operation is simple and convenient.

In this embodiment, the second button 71 is vertically provided with a third dodging groove 74, the needle tube 5 is arranged in the third dodging groove 74 in a penetrating manner, the clamping groove 62 is a rectangular groove, the clamping piece 73 is a wedge-shaped block, an inclined plane of the wedge-shaped block faces downwards, and the clamping piece 73 is fixed in the third dodging groove 74 through a connecting rod 75. The needle tube 5 is installed into from the below to the extraction needle 6, the inclined plane of the wedge-shaped block faces downwards, the clamping piece 73 is pushed open at the upper end of the extraction needle 6 conveniently, installation is completed, the dismounting operation of the extraction needle 6 is simple, and the use is greatly facilitated.

Referring to fig. 4, the lower end of the movable rod 2 is provided with an installation groove 22 in an upward concave manner, the upper end of the needle tube 5 is inserted into the installation groove 22, the side wall of the installation groove 22 is provided with a telescopic member 23 in a penetrating manner, the side wall of the needle tube 5 is provided with a positioning hole 52, and the telescopic member 23 can be arranged in the positioning hole 52 in a penetrating manner. The needle tube 5 is from bottom to top

In this embodiment, the telescopic member 23 includes a telescopic body 231 and a positioning block 232 disposed at one end of the telescopic body 231, a receiving groove 233 is horizontally disposed inside the other end of the telescopic body 231, the stopper 24 is mounted at the lower end of the movable rod 2, a portion of the stopper 24 is located in the receiving groove 233, a fourth spring 234 is disposed in the receiving groove 233, and the positioning block 232 can be inserted into the positioning hole 52 under the action of the fourth spring 234. The positioning block 232 is a wedge-shaped block, and the inclined surface of the wedge-shaped block faces downward, so that the needle tube 5 can be conveniently installed into the installation groove 22 from bottom to top.

In addition, the other end of the telescopic main body 231 is also provided with a control lever 25 in a penetrating manner, when the movable rod 2 slides downwards to a preset position, the lower end of the movable rod 2 is positioned in the third avoiding groove 74, the control lever 25 is positioned on one side of the other end of the second button 71, and the second button 71 can horizontally slide to enable the other end of the second button 71 to abut against or be away from the control lever 25. Therefore, when the second button 71 is pressed to a predetermined position, the other end of the second button 71 pushes the operating lever 25, the fourth spring 234 is compressed, the positioning block 232 is away from the positioning hole 52, the needle tube 5 can be pulled down, and the needle tube 5 is easy to assemble and disassemble.

It is noted that the terms "first," "second," "third," and the like are used herein to describe various elements or components, but these elements or components are not limited by these terms, which are only used to distinguish one element or component from another element or component. And terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. For convenience of description, spatially relative terms such as "inner", "outer", "upper", "lower", "left", "right", "upper", "left", "right", and the like are used herein to describe the positional relationship of the components or parts in the present embodiment, but these spatially relative terms do not limit the orientation of the technical features in practical use, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a particular component, respectively.

The above description is only a preferred embodiment of the present invention, but the present invention is not limited to the above embodiments, and the technical effects of the present invention should be all included in the protection scope of the present invention as long as the technical effects are achieved by any of the same or similar means.

Claims

1. The utility model provides a biological material extraction element that examines which characterized in that: including outer tube (1), be equipped with movable rod piece (2) vertically in outer tube (1), needle tubing (5) are installed to the lower extreme of movable rod piece (2), be equipped with in needle tubing (5) and draw needle (6), the lower extreme that draws needle (6) is equipped with sample groove (61), needle tubing (5) can draw needle (6) relatively and slide from top to bottom in order to expose or seal sample groove (61), movable rod piece (2) overcoat is equipped with first spring (3), upper end butt activity rod piece (2) of first spring (3), outer tube (1) is equipped with stop gear (4), works as movable rod piece (2) drive needle tubing (5) lapse to needle tubing (5) closed sample groove (61), stop gear (4) can restrict movable rod piece (2) upward movement.

2. The biological sample extraction device according to claim 1, wherein: stop gear (4) are including wearing to locate first button (41) of outer tube (1) upper portion lateral wall movably, the one end of first button (41) is located the outside of outer tube (1), be equipped with second spring (42) between the other end of first button (41) and outer tube (1), the other end of first button (41) is equipped with locating part (43), the upper portion correspondence of activity member (2) is equipped with spacing groove (21), spacing part (43) can block under the effect of second spring (42) and locate spacing groove (21).

3. The biological sample extraction device according to claim 2, wherein: first dodge groove (44) have been seted up vertically to first button (41), first dodge groove (44) are worn to locate by the upper portion of activity member (2), locating part (43) is the member, first dodge groove (44) are run through to locating part (43) level.

4. A biological sample extraction device according to any one of claims 1 to 3, wherein: the second has been seted up vertically to the lateral wall on needle tubing (5) upper portion and has been dodged groove (51), the lower part of outer tube (1) is equipped with disassembly body (7), the link of disassembly body (7) can pass the second and dodge groove (51) and be connected with the upper portion of drawing needle (6).

5. The biological sample extraction device according to claim 4, wherein: the disassembly mechanism (7) comprises a second button (71) movably arranged on the side wall of the lower portion of the outer tube (1) in a penetrating mode, one end of the second button (71) is located outside the outer tube (1), a third spring (72) is arranged between the other end of the second button (71) and the outer tube (1), a clamping piece (73) is arranged at the other end of the second button (71), a clamping groove (62) is correspondingly formed in the upper portion of the extraction needle (6), and the clamping piece (73) can penetrate through the second avoidance groove (51) and can be inserted into the clamping groove (62) under the action of the third spring (72).

6. The biological sample extraction device according to claim 5, wherein: second button (71) is equipped with the third vertically and dodges groove (74), needle tubing (5) are worn to locate the third and are dodged groove (74), joint groove (62) are the rectangular channel, joint spare (73) are the wedge, the inclined plane of wedge is down, joint spare (73) are fixed through connecting rod (75) and are kept away the inside in groove (74) at the third.

7. The biological sample extraction device according to claim 4, wherein: the lower extreme of activity member (2) is equipped with mounting groove (22) to the upper-porch, the upper end of needle tubing (5) is inserted and is located mounting groove (22), extensible member (23) are worn to be equipped with by the lateral wall of mounting groove (22), the lateral wall of needle tubing (5) is equipped with locating hole (52), locating hole (52) can be worn to locate by extensible member (23).

8. The biological sample extraction device according to claim 7, wherein: the telescopic part (23) comprises a telescopic main body (231) and a positioning block (232) arranged at one end of the telescopic main body (231), an accommodating groove (233) is horizontally arranged in the other end of the telescopic main body (231), a stop block (24) is installed at the lower end of the movable rod piece (2), one part of the stop block (24) is positioned in the accommodating groove (233), a fourth spring (234) is arranged in the accommodating groove (233), and the positioning block (232) can be inserted into the positioning hole (52) under the action of the fourth spring (234).

9. The biological sample extraction device according to claim 8, wherein: the dismounting mechanism (7) comprises a second button (71) movably arranged on the side wall of the lower part of the outer tube (1) in a penetrating way, one end of the second button (71) is positioned outside the outer tube (1), a third spring (72) is arranged between the other end of the second button (71) and the outer tube (1), the second button (71) is vertically provided with a third avoidance groove (74), the needle tube (5) penetrates through the third avoidance groove (74), the other end of the telescopic main body (231) is also provided with an operating rod (25) in a penetrating way, when the movable rod piece (2) slides downwards to a preset position, the lower end of the movable rod piece (2) is positioned in the third avoidance groove (74), the operating lever (25) is located on one side of the other end of the second button (71), the second button (71) is horizontally slidable so that the other end of the second button (71) abuts against or is away from the operating lever (25).

10. A biological sample extraction device according to any one of claims 1 to 3, wherein: the upper end of the movable rod piece (2) is provided with a pressing handle (26), the upper end of the outer tube (1) is provided with a slide way (11), the pressing handle (26) can slide along the slide way (11), the lower end of the slide way (11) is provided with a handle placing groove (12), and the pressing handle (26) can be accommodated in the handle placing groove (12).