CN219439350U

CN219439350U - Tumor puncture needle

Info

Publication number: CN219439350U
Application number: CN202223186082.2U
Authority: CN
Inventors: 田婕丽
Original assignee: Suining Central Hospital
Current assignee: Suining Central Hospital
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-08-01
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses a tumor puncture needle, which comprises a needle cylinder, wherein one side of the interior of the needle cylinder is movably connected with a piston plate, the outer wall of one side of the piston plate is provided with a piston rod, one end of the piston rod, which is far away from the piston plate, extends to the exterior of the needle cylinder and is provided with a pull handle, the outer wall of one side, which is far away from the piston rod, of the pull handle is provided with a pull ring, the outer walls of the two ends of the pull ring are all provided with fixing rings, the outer wall of the needle cylinder, which is far away from one side of the piston rod, of the piston plate is provided with an internal thread interface, one end of the internal thread interface extends to the interior of the needle cylinder, the internal thread of the internal thread interface is connected with an external thread connector, one end of the external thread connector extends to the exterior of the internal thread interface and is provided with a limiting plate, and the central position of the interior of the limiting plate is provided with a needle. The utility model not only reduces the phenomenon that the needle falls off the tumor part, but also can reduce the phenomenon that the needle penetrates into the patient, and achieves the aim of filling liquid medicine for treatment, and the aim of conveniently collecting tumor cell liquid is achieved.

Description

Tumor puncture needle

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a tumor puncture needle.

Background

The tumor puncture needle is an auxiliary tool for cancer diagnosis, and generally when determining the tumor property of a patient, a doctor often chooses to puncture, extracts cell sap and tissues in the tumor in a puncturing mode, and then performs assay analysis on the cell sap and tissues so as to achieve the aim of accurately checking pathology.

Reference publication number is CN 209808410U's a tumour pjncture needle, and it includes the extraction tube, the upper end surface fixedly connected with handle of extraction tube, the lateral wall lower extreme fixedly connected with of extraction tube blocks the cover, the inside fixedly mounted of extraction tube has piston rod and piston, and the piston is located the lower extreme of piston rod, the upper end fixedly connected with hood of piston rod, the needle discarding mouth has been seted up to the upper end of hood, the lower extreme surface fixed mounting of extraction tube has the puncture needle tube, the lower extreme surface fixedly connected with puncture needle of puncture needle tube, this tumour pjncture needle is equipped with the blocking cover, rotates head and needle discarding mouth, can support skin, exerts opposite force to the puncture needle and inserts deeply to can avoid biological tissue to block the pinhole when avoiding pulling the piston, can also hold the needle when discarding, avoid the accidental injury, bring better use prospect according to the above-mentioned, and the cell sap that can be better to the tumour pjncture needle to the tumour is handled, and can be to the cell sap in the tumour is the extraction needle tube, and is difficult to take out the tumour at the tumour position that the direct mode is adopted, and the tumour pjncture needle is difficult to take out in the tumour, and the tumour is difficult to take out the tumour position is difficult to the fixed in the normal, and the tumour is taken by the needle tube is difficult to the fact in the fact to take out.

Disclosure of Invention

The utility model aims to provide a tumor puncture needle, which solves the problems that in the prior art, although the tumor puncture needle can be used for performing puncture treatment on a tumor part of a patient and extracting cell sap in the tumor, a direct handle pulling mode is generally adopted, and the needle cylinder part of the tumor puncture needle is inconvenient to fix, so that the tumor puncture needle is easy to displace in the process of extracting the tumor cell sap, is easy to fall off from the tumor part of the patient and is easy to stab the patient deeply.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tumor pjncture needle, includes the cylinder, one side swing joint of cylinder inside has the piston board, be equipped with the piston rod on the outer wall of piston board one side, the one end that the piston board was kept away from to the piston rod extends to the outside of cylinder and is equipped with the pull handle, be equipped with the pull ring on the outer wall that piston rod one side was kept away from to the pull handle, all be equipped with solid fixed ring on the outer wall at pull ring both ends, be equipped with the female screw joint on the outer wall of cylinder that piston rod one side was kept away from to the piston board, the one end of female screw joint extends to the inside of cylinder, the internal screw thread of female screw joint is connected with the male screw joint, the one end of male screw joint extends to the outside of female screw joint and is equipped with the limiting plate, the inside central point department of limiting plate is equipped with the syringe needle, the one end and the one end fixed connection of male screw joint, the other end of syringe needle extends to the outside of limiting plate.

Preferably, a liquid collecting cylinder is arranged below the needle cylinder, and a marking line is drawn at the center position of the surface of the liquid collecting cylinder so as to observe the liquid level of cell liquid in the liquid collecting cylinder.

Preferably, one side of cylinder bottom is equipped with the liquid collection hose, the bottom of liquid collection hose is linked together with the top of liquid collection section of thick bamboo, install the second check valve on the outer wall that the liquid collection hose is close to cylinder one end to reduce the inside cell liquid of liquid collection section of thick bamboo and produce the phenomenon of backward flow.

Preferably, a liquid injection hose is arranged on one side of the top end of the syringe, and the bottom end of the liquid injection hose extends to the inside of the syringe so as to communicate the liquid injection port with the syringe.

Preferably, one end of the liquid injection hose far away from the needle cylinder is provided with a liquid injection port, so that the liquid medicine flows into the needle cylinder through the liquid injection hose.

Preferably, the outer wall of the liquid injection hose close to one end of the needle cylinder is provided with a first one-way valve, so that the phenomenon that liquid medicine flows back is reduced.

Preferably, graduations are drawn at the center of the needle surface to facilitate visualization of the depth of insertion of the needle.

Compared with the prior art, the utility model has the beneficial effects that: the tumor puncture needle not only reduces the phenomenon that the needle falls off from the tumor part, but also can reduce the phenomenon that the needle penetrates into a patient to be injured, achieves the aim of filling liquid medicine for treatment, and achieves the aim of conveniently collecting tumor cell liquid;

(1) The needle cylinder is held by a left hand by medical staff, and the thumb and the index finger are inserted into the fixed ring, so that the needle cylinder can be stably limited and fixed, the phenomenon that the tumor puncture needle is displaced in the process of extracting tumor cell sap is reduced, the phenomenon that the needle head falls off from a tumor part is reduced, and the phenomenon that the needle head penetrates into a stabbed patient is reduced;

(2) The piston plate is moved to the right inside the needle cylinder between the liquid injection hose and the liquid collection hose, and then the liquid injection port is connected with the liquid medicine bottle, so that liquid medicine flows into the needle cylinder through the liquid injection hose, and the liquid medicine can fall into the tumor part of a patient through the needle head due to the fact that the first one-way valve is arranged on the outer wall of the liquid injection hose, so that the purpose of filling the liquid medicine for treatment is achieved;

(3) Through the bottom that is located the cylinder sets up the liquid collection tube through the liquid collection hose for the tumor cell liquid that draws falls into the inside of liquid collection tube through the liquid collection hose, because of set up the second check valve on the outer wall of liquid collection hose, make the inside cell liquid of liquid collection tube can not flow back to the inside of cylinder, the surface of liquid collection tube is drawn simultaneously has the mark line, in order to observe the liquid level of the inside cell liquid of liquid collection tube, thereby reached the purpose of being convenient for collect tumor cell liquid.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic cross-sectional enlarged view of the female interface of the present utility model;

FIG. 3 is an enlarged schematic view of the liquid injection hose according to the present utility model;

fig. 4 is an enlarged schematic view of the liquid collecting hose according to the present utility model.

In the figure: 1. a needle cylinder; 2. a fixing ring; 3. a piston plate; 4. a liquid injection hose; 5. a needle; 6. scale marks; 7. a liquid collection hose; 8. a liquid collecting cylinder; 9. marking lines; 10. a piston rod; 11. a pull handle; 12. a pull ring; 13. an internal threaded interface; 14. a limiting plate; 15. an external threaded joint; 16. a liquid injection port; 17. a first one-way valve; 18. and a second one-way valve.

Detailed Description

The technical solutions in 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. 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.

Referring to fig. 1-4, an embodiment of the present utility model is provided: a tumor puncture needle comprises a needle cylinder 1, a liquid collecting cylinder 8 is arranged below the needle cylinder 1, and a marking line 9 is drawn at the center position of the surface of the liquid collecting cylinder 8;

when in use, the marking line 9 is arranged on the surface of the liquid collecting cylinder 8 so as to observe the liquid level of the cell liquid in the liquid collecting cylinder 8;

a liquid collecting hose 7 is arranged on one side of the bottom of the needle cylinder 1, the bottom end of the liquid collecting hose 7 is communicated with the top end of the liquid collecting cylinder 8, and a second one-way valve 18 is arranged on the outer wall of the liquid collecting hose 7, which is close to one end of the needle cylinder 1;

when in use, the second one-way valve 18 is arranged on the outer wall of the liquid collecting hose 7 so as to reduce the phenomenon that the cell liquid in the liquid collecting cylinder 8 flows back;

a liquid injection hose 4 is arranged on one side of the top end of the needle cylinder 1, and the bottom end of the liquid injection hose 4 extends into the needle cylinder 1;

in use, the liquid injection hose 4 is arranged at the top of the needle cylinder 1 so as to communicate the liquid injection port 16 with the needle cylinder 1;

the end of the liquid injection hose 4 far away from the needle cylinder 1 is provided with a liquid injection port 16;

when in use, the liquid medicine is injected through the liquid injection port 16, so that the liquid medicine flows into the syringe 1 through the liquid injection hose 4;

the outer wall of the liquid injection hose 4, which is close to one end of the needle cylinder 1, is provided with a first one-way valve 17;

when in use, the first one-way valve 17 is arranged on the outer wall of the liquid injection hose 4, so as to reduce the phenomenon of backflow of liquid medicine;

one side of the inside of the needle cylinder 1 is movably connected with a piston plate 3, a piston rod 10 is arranged on the outer wall of one side of the piston plate 3, one end of the piston rod 10, which is far away from the piston plate 3, extends to the outside of the needle cylinder 1 and is provided with a pull handle 11, a pull ring 12 is arranged on the outer wall of one side, which is far away from the piston rod 10, of the pull handle 11, and fixing rings 2 are arranged on the outer walls of two ends of the pull ring 12;

an internal thread interface 13 is arranged on the outer wall of the needle cylinder 1 at one side of the piston plate 3 far away from the piston rod 10, and one end of the internal thread interface 13 extends into the needle cylinder 1;

the internal thread of the internal thread connector 13 is connected with an external thread connector 15, one end of the external thread connector 15 extends to the outside of the internal thread connector 13 and is provided with a limiting plate 14, a needle head 5 is arranged at the central position inside the limiting plate 14, one end of the needle head 5 is fixedly connected with one end of the external thread connector 15, the other end of the needle head 5 extends to the outside of the limiting plate 14, and a scale mark 6 is drawn at the central position of the surface of the needle head 5;

in use, the needle 5 is observed for the depth of insertion by providing graduations 6 on the surface of the needle 5.

When the embodiment of the application is used, firstly, one end of the needle 5 is inserted into a tumor part of a patient, so that the insertion depth of the needle 5 is observed by the scale marks 6, then the pull ring 12 is pulled, the pull ring 11 and the piston rod 10 drive the piston plate 3 to move leftwards in the syringe 1, so that the cell liquid of the tumor part can be sucked into the syringe 1, the bottom of the syringe 1 is provided with the liquid collecting cylinder 8 through the liquid collecting hose 7, the extracted tumor cell liquid falls into the liquid collecting cylinder 8 through the liquid collecting hose 7, the second one-way valve 18 is arranged on the outer wall of the liquid collecting hose 7, the cell liquid in the liquid collecting cylinder 8 can not flow back into the syringe 1, meanwhile, the marking line 9 is drawn on the surface of the liquid collecting cylinder 8, so as to observe the liquid level of the cell liquid in the liquid collecting cylinder 8, the purpose of being convenient for collecting the cell liquid can be achieved, afterwards, the syringe 1 can be firmly fixed in a limiting manner by a medical staff through the left hand, the syringe 1 is inserted into the fixed ring 2 through the thumb and the index finger, the tumor puncture needle can be reduced in the process of extracting the tumor cell liquid, the tumor cell liquid can fall into the syringe 8 through the liquid collecting tube 7, the liquid collecting tube is conveniently and the liquid can fall into the syringe 1 through the liquid collecting tube, the liquid collecting tube 4 through the liquid collecting tube, the liquid can be conveniently filled into the syringe 1 through the needle 4, the liquid collecting tube 4 can be conveniently and the liquid can be conveniently filled into the syringe 1 through the needle 4, and the needle 4 through the hose 4, and the needle 4, and the purpose can be conveniently reaches the purpose of the purpose that the liquid filling pipe is lowered through the needle tube 1, and the needle through the needle tube 4, thereby completing the use of the tumor puncture needle.

Claims

1. The utility model provides a tumor pjncture needle, its characterized in that, includes cylinder (1), one side swing joint of cylinder (1) inside has piston board (3), be equipped with piston rod (10) on the outer wall of piston board (3) one side, the one end that piston board (3) was kept away from to piston rod (10) extends to the outside of cylinder (1) and is equipped with pull handle (11), be equipped with pull ring (12) on the outer wall that piston rod (10) one side was kept away from to pull handle (11), all be equipped with solid fixed ring (2) on the outer wall at pull ring (12) both ends, be equipped with female screw interface (13) on the outer wall of cylinder (1) that piston board (3) kept away from piston rod (10) one side, the one end of female screw interface (13) extends to the inside of cylinder (1), the inside threaded connection of female screw interface (13) has male screw joint (15), the one end of male screw joint (15) extends to the outside of female screw interface (13) and is equipped with limiting plate (14), the inside central point department of limiting plate (14) is equipped with syringe needle (5), one end (5) and the fixed connection's of male screw interface (15) extends to the outside of syringe needle (14).

2. A tumor puncturing needle as claimed in claim 1, wherein: a liquid collecting cylinder (8) is arranged below the needle cylinder (1), and a marking line (9) is drawn at the center position of the surface of the liquid collecting cylinder (8).

3. A tumor puncturing needle as claimed in claim 2, wherein: one side of cylinder (1) bottom is equipped with liquid collecting hose (7), the bottom of liquid collecting hose (7) is linked together with the top of liquid collecting cylinder (8), install second check valve (18) on the outer wall that liquid collecting hose (7) are close to cylinder (1) one end.

4. A tumor puncturing needle as claimed in claim 1, wherein: one side at the top end of the needle cylinder (1) is provided with a liquid injection hose (4), and the bottom end of the liquid injection hose (4) extends to the inside of the needle cylinder (1).

5. A tumor puncturing needle as claimed in claim 4, wherein: and one end of the liquid injection hose (4) far away from the needle cylinder (1) is provided with a liquid injection port (16).

6. A tumor puncturing needle as claimed in claim 4, wherein: the outer wall of the liquid injection hose (4) close to one end of the needle cylinder (1) is provided with a first one-way valve (17).

7. A tumor puncturing needle as claimed in claim 1, wherein: and graduation lines (6) are drawn at the center of the surface of the needle head (5).