CN215778271U - Puncture needle with multi-point sampling function - Google Patents
Puncture needle with multi-point sampling function Download PDFInfo
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- CN215778271U CN215778271U CN202121205112.2U CN202121205112U CN215778271U CN 215778271 U CN215778271 U CN 215778271U CN 202121205112 U CN202121205112 U CN 202121205112U CN 215778271 U CN215778271 U CN 215778271U
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- negative pressure
- needle
- tube
- delivery tube
- pressure pipe
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- 238000005070 sampling Methods 0.000 title claims description 13
- 239000000463 material Substances 0.000 claims abstract description 57
- 230000001681 protective effect Effects 0.000 claims 1
- 210000001185 bone marrow Anatomy 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000009795 derivation Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 9
- 239000012530 fluid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000601 blood cell Anatomy 0.000 description 1
- 238000004113 cell culture Methods 0.000 description 1
- 238000003759 clinical diagnosis Methods 0.000 description 1
- 230000002559 cytogenic effect Effects 0.000 description 1
- 238000012631 diagnostic technique Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 210000003958 hematopoietic stem cell Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of bone marrow puncture, and discloses a puncture needle with a multipoint material taking function, which comprises a needle tube and a needle point, wherein the bottom of the needle point is connected with the needle tube; the inside of needle point is provided with the first chamber of drawing materials, the second chamber of drawing materials, the third chamber of drawing materials, protection chamber, first negative pressure pipe, second negative pressure pipe and third negative pressure pipe of drawing materials. This pjncture needle with function of drawing materials in multiple spot is provided with first delivery tube, second delivery tube and third delivery tube in one of needle point near the needle tubing, and first negative pressure pipe, second negative pressure pipe and the third negative pressure pipe that the inside of cooperation needle point set up can directly be with marrow liquid derivation external detection, have made things convenient for staff's use, have promoted the result of use of the pjncture needle that has the function of drawing materials in multiple spots.
Description
Technical Field
The utility model relates to the technical field of bone marrow puncture, in particular to a puncture needle with a multipoint material taking function.
Background
The bone marrow puncture is a common diagnostic technique for collecting bone marrow fluid, and the bone marrow puncture is usually used for blood cell morphology examination in clinic, and can also be used for hematopoietic stem cell culture, cytogenetic analysis, pathogenic biology examination and the like to assist clinical diagnosis, observation of curative effect, judgment of prognosis and the like. A puncture needle is a medical instrument which is most important in a bone marrow puncture, and is used for puncturing a needle into bone marrow of a patient and then extracting bone marrow fluid for examination.
In the using process, because the problem that only single-point sampling can be carried out is solved and the extraction speed is slow, a puncture needle with a multi-point material taking function is needed.
Some puncture needles with the function of drawing materials at multiple points in the current market:
(1) in the using process, the existing puncture needles with the function of taking materials from multiple points have the problem that the marrow fluid cannot be directly led out of the body;
(2) in the using process, the existing puncture needles with the function of drawing materials from multiple points have the problem that the inserting depth of the puncture needle cannot be directly known.
Therefore, we have proposed a puncture needle with a multi-point sampling function to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In view of the above-mentioned shortcomings in the prior art, the present invention provides a puncture needle with multiple sampling function, so as to solve the problems that some puncture needles with multiple sampling function in the current market proposed in the above-mentioned background art cannot directly lead the marrow fluid out of the body and cannot directly know the insertion depth of the puncture needle.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a puncture needle with a multipoint material taking function comprises a needle tube and a needle point, wherein the bottom of the needle point is connected with the needle tube, one end, close to the needle tube, of the needle point is connected with a first delivery tube, a second delivery tube and a third delivery tube, and scales are arranged on the surface of the needle point;
a first material taking cavity, a second material taking cavity, a third material taking cavity, a protection cavity, a first negative pressure tube, a second negative pressure tube and a third negative pressure tube are arranged inside the needle tip, one ends of the first negative pressure tube, the second negative pressure tube and the third negative pressure tube are all arranged in the protection cavity, the first negative pressure tube is connected with a third delivery tube, one end of the first negative pressure tube is connected with the rear end of the first material taking cavity, the second negative pressure tube is connected with the second delivery tube, one end of the second negative pressure tube is connected with the rear end of the second material taking cavity, the third negative pressure tube is connected with the first delivery tube, and one end of the third negative pressure tube is connected with the rear end of the third material taking cavity;
install first check valve in the first contact tube, install the second check valve in the second contact tube, install the third check valve in the third contact tube, the fourth check valve is all installed to the tail end of first negative pressure pipe, second negative pressure pipe and third negative pressure pipe.
Furthermore, the needle point is provided with a through hole matched with the first delivery tube, the second delivery tube and the third delivery tube, the first delivery tube, the second delivery tube and the third delivery tube penetrate through the needle point, and the first delivery tube, the second delivery tube and the third delivery tube can directly guide out bone marrow liquid to be detected, so that the using effect of the puncture needle with the multi-point material taking function is improved.
Furthermore, the first negative pressure pipe is in a connection with the third delivery pipe in a shape of Chinese character 'bo', the second negative pressure pipe is in a connection with the second delivery pipe in a shape of Chinese character 'bo', and the third negative pressure pipe is in a connection with the first delivery pipe in a shape of Chinese character 'bo'.
Furthermore, the third check valve is installed on the top of the Bu-shaped structure, and the third check valve enables the first negative pressure tube, the second negative pressure tube and the third negative pressure tube to have one-way conductivity, so that the using effect of the puncture needle with the multi-point sampling function is improved.
Furthermore, first contact tube, second contact tube and third contact tube evenly distributed top on the outer wall of needle point, and first contact tube, second contact tube and the third contact tube contained angle between two liang be 120, make things convenient for staff's use, promoted the result of use of the pjncture needle that has the function of drawing materials at multiple spot.
Furthermore, the scales are fixed with the outer wall of the needle tip, and the bottom of the needle tip is fixed with the needle tube.
Furthermore, the first material taking cavity is provided with a tip end of the needle point, and the protection cavity is provided with a tail end of the needle point.
(III) advantageous effects
Compared with the prior art, the utility model has the beneficial effects that: this pjncture needle with multiple spot function of drawing materials:
(1) the first delivery tube, the second delivery tube and the third delivery tube are arranged at one end of the needle tip close to the needle tube, and the first negative pressure tube, the second negative pressure tube and the third negative pressure tube which are arranged inside the needle tip are matched to directly deliver the marrow fluid to the outside for detection, so that the use of workers is facilitated, and the use effect of the puncture needle with the multi-point material taking function is improved.
(2) The scale is arranged on the surface of the needle point, so that the worker can clearly see the insertion depth of the puncture needle, the worker can work conveniently, and the use effect of the puncture needle with the function of taking materials from multiple points is improved.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the multi-point puncture needle according to the present invention;
FIG. 2 is a schematic view of the entire front view structure of the multi-point puncture needle according to the present invention;
FIG. 3 is a schematic view of the entire bottom view of the multi-point puncture needle according to the present invention;
FIG. 4 is a schematic view showing the overall internal structure of the multi-point puncture needle according to the present invention;
FIG. 5 is a partial half-sectional view of the first delivery tube of the lancet with multi-point sampling function according to the present invention;
FIG. 6 is a partial half sectional view of a second delivery tube of the puncture needle with a multi-point drawing function according to the present invention;
FIG. 7 is a partial half sectional view of a third delivery tube of the needle assembly of the present invention with a multi-point sampling function;
fig. 8 is a partial half-sectional structure diagram of a third negative pressure tube of the puncture needle with a multi-point sampling function.
In the figure: the needle tube 1, first contact tube 2, needle point 3, second contact tube 4, third contact tube 5, scale 6, third negative pressure pipe 7, second negative pressure pipe 8, first negative pressure pipe 9, first chamber 10 of drawing materials, second chamber 11 of drawing materials, third chamber 12 of drawing materials, protection chamber 13, first check valve 14, second check valve 15, third check valve 16, fourth check valve 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a puncture needle with multi-point sampling function; the needle comprises a needle tube 1, a first delivery tube 2, a needle tip 3, a second delivery tube 4, a third delivery tube 5, scales 6, a third negative pressure tube 7, a second negative pressure tube 8, a first negative pressure tube 9, a first material taking cavity 10, a second material taking cavity 11, a third material taking cavity 12, a protection cavity 13, a first one-way valve 14, a second one-way valve 15, a third one-way valve 16 and a fourth one-way valve 17, wherein the bottom of the needle tip 3 is connected with the needle tube 1, one end of the needle tip 3, which is close to the needle tube 1, is connected with the first delivery tube 2, the second delivery tube 4 and the third delivery tube 5, and the scales 6 are arranged on the surface of the needle tip 3;
a first material taking cavity 10, a second material taking cavity 11, a third material taking cavity 12, a protection cavity 13, a first negative pressure tube 9, a second negative pressure tube 8 and a third negative pressure tube 7 are arranged inside the needle tip 3, one ends of the first negative pressure tube 9, the second negative pressure tube 8 and the third negative pressure tube 7 are all arranged in the protection cavity 13, the first negative pressure tube 9 is connected with a third discharge tube 5, one end of the first negative pressure tube 9 is connected with the rear end of the first material taking cavity 10, one end of the second negative pressure tube 8 is connected with the second discharge tube 4, one end of the second negative pressure tube 8 is connected with the rear end of the second material taking cavity 11, one end of the third negative pressure tube 7 is connected with the first discharge tube 2, and one end of the third negative pressure tube 7 is connected with the rear end of the third material taking cavity 12;
a first one-way valve 14 is installed in the first leading-out pipe 2, a second one-way valve 15 is installed in the second leading-out pipe 4, a third one-way valve 16 is installed in the third leading-out pipe 5, and fourth one-way valves 17 are installed at the tail ends of the first negative pressure pipe 9, the second negative pressure pipe 8 and the third negative pressure pipe 7;
as a preferred technical scheme of the utility model: the needle tip 3 is provided with through holes matched with the first delivery tube 2, the second delivery tube 4 and the third delivery tube 5, the first delivery tube 2, the second delivery tube 4 and the third delivery tube 5 penetrate through the needle tip 3, and the first delivery tube 2, the second delivery tube 4 and the third delivery tube 5 can directly deliver the marrow fluid out of the body for detection, so that the using effect of the puncture needle with the multi-point material taking function is improved;
as a preferred technical scheme of the utility model: the first negative pressure pipe 9 is connected with the third delivery pipe 5 in a shape of Chinese character 'bo', the second negative pressure pipe 8 is connected with the second delivery pipe 4 in a shape of Chinese character 'bo', and the third negative pressure pipe 7 is connected with the first delivery pipe 2 in a shape of Chinese character 'bo';
as a preferred technical scheme of the utility model: the third one-way valve 15 is arranged at the top end of the Bu-shaped structure, and the first negative pressure tube 9, the second negative pressure tube 8 and the third negative pressure tube 7 are enabled to have one-way conductivity by the third one-way valve 15, so that the using effect of the puncture needle with the multi-point material taking function is improved;
as a preferred technical scheme of the utility model: the first delivery tube 2, the second delivery tube 4 and the third delivery tube 5 are uniformly distributed at the top of the outer wall of the needle tip 3, and the included angle between every two first delivery tube 2, second delivery tube 4 and third delivery tube 5 is 120 degrees, so that the use of workers is facilitated, and the use effect of the puncture needle with the function of multi-point material taking is improved;
as a preferred technical scheme of the utility model: the scale 6 is fixed with the outer wall of the needle tip 3, and the bottom of the needle tip 3 is fixed with the needle tube 1;
as a preferred technical scheme of the utility model: the first material taking cavity 10 is provided with a tip end of the needle tip 3, and the protection cavity 13 is provided with a tail end of the needle tip 3.
The working principle of the embodiment is as follows: when the puncture needle with the function of taking materials from multiple points is used, as shown in figures 1-8, the whole device consists of a needle tube 1, a first delivery tube 2, a needle point 3, a second delivery tube 4, a third delivery tube 5, a scale 6, a third negative pressure tube 7, a second negative pressure tube 8, a first negative pressure tube 9, a first material taking cavity 10, a second material taking cavity 11, a third material taking cavity 12, a protection cavity 13, a first one-way valve 14, a second one-way valve 15, a third one-way valve 16 and a fourth one-way valve 17, a worker inserts the needle point 3 into the spine of a patient, then the inserting depth can be clearly seen through the scale 6 arranged on the surface of the needle point 3, which is convenient for the working of the staff, then through first contact tube 2, second contact tube 4 and third contact tube 5, directly derive marrow liquid extracorporeally, detect, promoted the result of use of the pjncture needle that has the function of drawing materials of multiple spot.
The above is the operation of the whole device, and the details which are not described in detail in this specification are well known to those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, may be fixedly connected or detachably connected; or indirectly through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations; it will be apparent to those skilled in the art that modifications and equivalents may be made in the embodiments and/or portions thereof without departing from the spirit and scope of the present invention.
Claims (7)
1. A puncture needle with a multipoint material taking function comprises a needle tube (1) and a needle point (3), and is characterized in that the bottom of the needle point (3) is connected with the needle tube (1), one end, close to the needle tube (1), of the needle point (3) is connected with a first delivery tube (2), a second delivery tube (4) and a third delivery tube (5), and the surface of the needle point (3) is provided with scales (6);
a first material taking cavity (10), a second material taking cavity (11), a third material taking cavity (12), a protective cavity (13), a first negative pressure pipe (9), a second negative pressure pipe (8) and a third negative pressure pipe (7) are arranged in the needle tip (3), one end of each of the first negative pressure pipe (9), the second negative pressure pipe (8) and the third negative pressure pipe (7) is arranged in the protection cavity (13), and the first negative pressure pipe (9) is connected with the third delivery pipe (5), one end of the first negative pressure pipe (9) is connected with the rear end of the first material taking cavity (10), the second negative pressure pipe (8) is connected with the second delivery pipe (4), one end of the second negative pressure pipe (8) is connected with the rear end of the second material taking cavity (11), the third negative pressure pipe (7) is connected with the first delivery pipe (2), and one end of the third negative pressure pipe (7) is connected with the rear end of the third material taking cavity (12);
install first check valve (14) in first contact tube (2), install second check valve (15) in second contact tube (4), install third check valve (16) in third contact tube (5), fourth check valve (17) are all installed to the tail end of first negative pressure pipe (9), second negative pressure pipe (8) and third negative pressure pipe (7).
2. The puncture needle with the function of obtaining materials at multiple points according to claim 1, characterized in that the needle tip (3) is provided with a through hole matched with the first delivery tube (2), the second delivery tube (4) and the third delivery tube (5), and the first delivery tube (2), the second delivery tube (4) and the third delivery tube (5) penetrate through the needle tip (3).
3. The puncture needle with the function of taking materials at multiple points as claimed in claim 1, wherein the first negative pressure tube (9) is in a shape of Bu-character with the third delivery tube (5), the second negative pressure tube (8) is in a shape of Bu-character with the second delivery tube (4), and the third negative pressure tube (7) is in a shape of Bu-character with the first delivery tube (2).
4. A puncture needle with a multiple access function according to claim 3, wherein the third one-way valve (15) is installed at the top end of the shape of a Chinese character 'bo'.
5. The puncture needle with the function of obtaining materials at multiple points according to claim 1, characterized in that the first delivery tube (2), the second delivery tube (4) and the third delivery tube (5) are uniformly distributed on the top of the outer wall of the needle tip (3), and the included angle between every two first delivery tube (2), second delivery tube (4) and third delivery tube (5) is 120 °.
6. A puncture needle with a function of drawing multiple materials according to claim 1, characterized in that the scale (6) is fixed with the outer wall of the needle tip (3), and the bottom of the needle tip (3) is fixed with the needle tube (1).
7. A puncture needle with a multi-point sampling function, according to claim 1, characterized in that the first sampling cavity (10) is provided with the tip end of the needle tip (3), and the protection cavity (13) is provided with the tail end of the needle tip (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121205112.2U CN215778271U (en) | 2021-06-01 | 2021-06-01 | Puncture needle with multi-point sampling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121205112.2U CN215778271U (en) | 2021-06-01 | 2021-06-01 | Puncture needle with multi-point sampling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215778271U true CN215778271U (en) | 2022-02-11 |
Family
ID=80174602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121205112.2U Expired - Fee Related CN215778271U (en) | 2021-06-01 | 2021-06-01 | Puncture needle with multi-point sampling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215778271U (en) |
-
2021
- 2021-06-01 CN CN202121205112.2U patent/CN215778271U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Guowen Inventor after: Tang Yan Inventor after: Zhang Man Inventor after: Zhang Juntao Inventor before: Zhang Juntao |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220624 Address after: 550001 No.25 Yuxiu Road, Yunyan District, Guiyang City, Guizhou Province Patentee after: Huang Guowen Address before: 518000 Huishang center, Jiahui new town, No. 3027, Shennan Middle Road, Funan community, Futian street, Futian District, Shenzhen, Guangdong 2922-2923 Patentee before: Zhang Juntao |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220211 |