CN220025160U - Tumor puncture needle - Google Patents
Tumor puncture needle Download PDFInfo
- Publication number
- CN220025160U CN220025160U CN202321618623.6U CN202321618623U CN220025160U CN 220025160 U CN220025160 U CN 220025160U CN 202321618623 U CN202321618623 U CN 202321618623U CN 220025160 U CN220025160 U CN 220025160U
- Authority
- CN
- China
- Prior art keywords
- puncture needle
- needle cylinder
- infusion needle
- wall
- infusion
- 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.)
- Active
Links
- 206010028980 Neoplasm Diseases 0.000 title claims abstract description 22
- 238000001802 infusion Methods 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000003814 drug Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241000587161 Gomphocarpus Species 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides a tumor puncture needle, includes infusion needle cylinder (1) and puncture needle (2), and puncture needle (2) are installed on infusion needle cylinder (1) bottom liquid outlet, and the piston rod tip of infusion needle cylinder (1) is provided with diamond-shaped press piece (4), and the cover is equipped with uide bushing (3) on infusion needle cylinder (1) outer wall, and open one side of uide bushing (3) has U-shaped three way connection to dodge groove (11), is provided with locking screw (5) that are used for locking infusion needle cylinder (1) on infusion needle cylinder (1) outer wall; the advantages are that: can adapt to the tee bend tumor pjncture needle, assist doctor puncture through the uide bushing, improve puncture stability.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a tumor puncture needle.
Background
Currently, when a patient is examined for a tumor, a doctor needs to analyze and test the components of the tumor and extract the cells, tissues and blood of the tumor, and the conventional extraction process is to insert the needle head of a puncture needle into the tumor of the body of the patient and then extract the components of the tumor by pulling up an injection piston. In the process of puncturing, a doctor holds the needle cylinder for a long time, so that shaking is easy to occur, and the puncturing operation is influenced. The existing needle cylinder stabilizing device can only be adapted to a puncture needle without a three-way pipe, so that the use limitation is large, and the operation is inconvenient.
Disclosure of Invention
The utility model aims to provide a tumor puncture needle aiming at the defects.
The utility model comprises an infusion needle cylinder and a puncture needle head, wherein the puncture needle head is arranged on a liquid outlet at the bottom of the infusion needle cylinder,
the end part of the piston rod of the infusion needle cylinder is provided with a diamond-shaped pressing sheet, the outer wall of the infusion needle cylinder is sleeved with a guide sleeve, one side of the guide sleeve is provided with a U-shaped three-way joint avoiding groove, and the outer wall of the infusion needle cylinder is provided with a locking screw used for locking the infusion needle cylinder.
The puncture needle head comprises a straight pipe, an inclined pipe and a needle tube, wherein the inclined pipe is obliquely arranged on the straight pipe to form a Y-shaped tee pipeline, the needle tube is arranged at the end part of the straight pipe, and the inclined pipe is positioned in the U-shaped tee joint avoiding groove.
And a plug is arranged at the inlet end of the inclined tube.
At least three supporting feet are arranged at the bottom of the guide sleeve.
The bottom of the supporting leg is provided with a soft cushion.
The guide sleeve is a transparent guide sleeve.
The outer wall of the transfusion needle cylinder is provided with indication scales.
The outer wall of the needle tube is provided with a group of indicating scales for observing the insertion depth.
The outer wall of the upper part of the guide sleeve is provided with a truncated cone-shaped positioning bulge, the center of the truncated cone-shaped positioning bulge is provided with a threaded hole, and a locking screw is screwed into the threaded hole to compress and position the outer wall of the infusion needle cylinder.
The pin head of the locking screw is disc-shaped, and the outer edge of the pin head is provided with anti-skid lines.
The utility model has the advantages that: can adapt to the tee bend tumor pjncture needle, assist doctor puncture through the uide bushing, improve puncture stability.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic cross-sectional view of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present utility model, it should be noted that, if the terms "upper," "lower," "inner," "outer," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like in the description of the present utility model, if any, are used for distinguishing between the descriptions and not necessarily for indicating or implying a relative importance.
In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in the drawing, the utility model comprises an infusion needle cylinder 1 and a puncture needle head 2, wherein the puncture needle head 2 is arranged on a liquid outlet at the bottom of the infusion needle cylinder 1,
the end part of a piston rod of the infusion needle cylinder 1 is provided with a diamond pressing sheet 4, the outer wall of the infusion needle cylinder 1 is sleeved with a guide sleeve 3, one side of the guide sleeve 3 is provided with a U-shaped three-way joint avoiding groove 11, and the outer wall of the infusion needle cylinder 1 is provided with a locking screw 5 for locking the infusion needle cylinder 1.
The puncture needle head 2 comprises a straight tube 6, an inclined tube 7 and a needle tube 8, wherein the inclined tube 7 is obliquely arranged on the straight tube 6 to form a Y-shaped tee pipeline, the needle tube 8 is arranged at the end part of the straight tube 6, and the inclined tube 7 is positioned in a U-shaped tee joint avoiding groove 11.
A plug 9 is arranged at the inlet end of the inclined tube 7.
At least three supporting feet 10 are arranged at the bottom of the guide sleeve 3.
The bottom of the supporting leg 10 is provided with a soft cushion.
The guide sleeve 3 is a transparent guide sleeve.
The outer wall of the transfusion needle cylinder 1 is provided with indication scales.
The outer wall of the needle tube 8 is provided with a group of indicating scales for observing the insertion depth.
The outer wall of the upper part of the guide sleeve 3 is provided with a truncated cone-shaped positioning bulge, the center of the truncated cone-shaped positioning bulge is provided with a threaded hole, and a locking screw 5 is screwed into the threaded hole to compress and position the outer wall of the infusion needle cylinder 1.
The nail head of the locking screw 5 is disc-shaped, and the outer edge of the nail head is provided with anti-skid lines.
Example 1: when the puncture needle is used, the guide sleeve 3 is placed at the position to be punctured by a patient, at least three supporting feet 10 play a supporting role on the guide sleeve 3, then the infusion needle cylinder 1 is held, the guide sleeve 3 is inserted into the guide sleeve 3, the guide sleeve 3 is inserted into the patient, after the designated depth is inserted, the locking screw 5 is screwed down, the infusion needle cylinder 1 is fixed in the guide sleeve 3, after the fixation is finished, the guide sleeve 3 is held by one hand, the diamond-shaped pressing piece 4 is held by the other hand, the piston rod is lifted, and the detection body fluid is extracted. The infusion needle cylinder 1 is stabilized through the guide sleeve 3 in the process of liquid extraction, so that the phenomenon that the infusion needle cylinder 1 shakes in the process of liquid extraction can be prevented, and a doctor can conveniently puncture and take liquid. The use of at least three support feet 10 makes it possible to make the guide sleeve 3 more stable when placed. The inclined tube 7 of the Y-shaped tee pipeline can slide up and down in the U-shaped tee joint avoiding groove 11, and when medicine is required to be added, the plug 9 can be opened to connect with a medicine delivery pipeline for medicine delivery. The round table-shaped positioning protrusions increase the depth of the threaded holes, so that the locking screw 5 is more stable when being screwed down.
Claims (10)
1. A tumor puncture needle, which comprises an infusion needle cylinder (1) and a puncture needle head (2), wherein the puncture needle head (2) is arranged on a liquid outlet at the bottom of the infusion needle cylinder (1),
the infusion needle is characterized in that a diamond-shaped pressing piece (4) is arranged at the end part of a piston rod of the infusion needle cylinder (1), a guide sleeve (3) is sleeved on the outer wall of the infusion needle cylinder (1), a U-shaped three-way joint avoiding groove (11) is formed in one side of the guide sleeve (3), and a locking screw (5) for locking the infusion needle cylinder (1) is arranged on the outer wall of the infusion needle cylinder (1).
2. The tumor puncture needle according to claim 1, wherein the puncture needle (2) comprises a straight tube (6), an inclined tube (7) and a needle tube (8), the inclined tube (7) is obliquely arranged on the straight tube (6) to form a Y-shaped tee pipeline, the needle tube (8) is arranged at the end part of the straight tube (6), and the inclined tube (7) is positioned in the U-shaped tee joint avoiding groove (11).
3. A tumor puncture needle according to claim 2, characterized in that a plug (9) is arranged at the inlet end of the inclined tube (7).
4. A tumor puncture needle according to claim 1, characterized in that the bottom of the guiding sleeve (3) is provided with at least three supporting feet (10).
5. A tumor puncture needle according to claim 4, characterized in that the bottom of the supporting foot (10) is provided with a cushion.
6. A tumor puncture needle according to claim 1, characterized in that the guide sheath (3) is a transparent guide sheath.
7. A tumor puncture needle according to claim 1, characterized in that the outer wall of the infusion needle cylinder (1) is provided with indication graduations.
8. A tumor puncture needle according to claim 2, characterized in that the outer wall of the needle tube (8) is provided with a set of indicating graduations for observing the depth of insertion.
9. The tumor puncture needle according to claim 1, wherein a truncated cone-shaped positioning protrusion is arranged on the outer wall of the upper part of the guide sleeve (3), a threaded hole is formed in the center of the truncated cone-shaped positioning protrusion, and a locking screw (5) is screwed into the threaded hole to tightly press and position the outer wall of the infusion needle cylinder (1).
10. A tumor puncture needle according to claim 1, characterized in that the head of the locking screw (5) is disc-shaped, and the outer edge of the head is provided with anti-slip lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321618623.6U CN220025160U (en) | 2023-06-26 | 2023-06-26 | Tumor puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321618623.6U CN220025160U (en) | 2023-06-26 | 2023-06-26 | Tumor puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220025160U true CN220025160U (en) | 2023-11-17 |
Family
ID=88742899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321618623.6U Active CN220025160U (en) | 2023-06-26 | 2023-06-26 | Tumor puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220025160U (en) |
-
2023
- 2023-06-26 CN CN202321618623.6U patent/CN220025160U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |