CN111904563A

CN111904563A - Tumor puncture needle

Info

Publication number: CN111904563A
Application number: CN202010970293.1A
Authority: CN
Inventors: 刘磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2020-11-10

Abstract

The invention discloses a tumor puncture needle, which comprises a puncture needle tube and a needle cylinder, wherein a support rod is fixedly sleeved on the outer surface of the needle cylinder, a sealing cover is fixedly embedded and installed on the surface of one end of the needle cylinder, a piston rod is movably connected and installed in the needle cylinder, a handle is fixedly connected and installed at one end of the piston rod, a lantern ring is fixedly connected and installed on the surface of the handle, a transfusion plate is fixedly connected and installed at the other end of the needle cylinder, the puncture needle tube is fixedly connected and installed in the needle cylinder, a liquid collecting tube is fixedly communicated with the surface of the needle cylinder, and a stop ring is fixedly sleeved on the surface of the piston rod in the needle cylinder. According to the tumor puncture needle, when the puncture needle is used, the thumb can be fixed with the handle, so that the needle cylinder can be held by a hand better, medicine injection can be performed on a punctured part when puncture is performed, tissue fluid can be conveniently extracted and detected, and the performance of the puncture needle is improved.

Description

Tumor puncture needle

Technical Field

The invention relates to the field of medical equipment, in particular to a tumor puncture needle.

Background

The puncture needle is a medical instrument for sampling and injecting tissues of various organs such as kidney, liver, lung, mammary gland, thyroid gland, prostate, pancreas, body surface and the like in minimally invasive surgery, has simple structure, is easy to clean and disinfect after use, can be disassembled and replaced to use different puncture needle tubes, and is widely applicable to the field of medical equipment; however, the existing tumor puncture needle has some defects, the thumb and the handle cannot be fixed better when the puncture needle is used, so that the needle cylinder is not stable enough when being held by hands, tissue fluid extraction cannot be performed on a puncture part more conveniently when puncture is performed, and the puncture needle has a single function and cannot have the functions of injection and tissue fluid extraction at the same time.

Disclosure of Invention

The invention mainly aims to provide a tumor puncture needle, which can effectively solve the problems that the puncture needle cannot stably hold and smoothly extract tissue fluid in use and the puncture part cannot be directly treated by medicine injection in the puncture process.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a tumor puncture needle, includes pjncture needle tubing and cylinder, the surface mounting cover of cylinder is established and is installed the bracing piece, the one end fixed surface of cylinder inlays and establishes and installs sealed lid, the inside swing joint of cylinder installs the piston rod, the one end fixed connection of piston rod installs the handle, the surface mounting of handle installs the lantern ring, the other end fixed connection of cylinder installs the infusion board, the inside fixed connection of cylinder installs pjncture needle tubing, the surface mounting intercommunication of cylinder has the collector tube, the inside of cylinder is located the surface mounting cover of piston rod and establishes and install the backstop circle, the inside of infusion board is equipped with anti reverse flow piston, the inside of cylinder is located piston rod other end fixed connection and installs the bottom plate.

Preferably, the surface of cylinder is equipped with the liquid outlet, the internal surface of cylinder has seted up the fixed slot, the one end of cylinder is equipped with fixed mouth of pipe.

Preferably, the surface of the puncture needle tube is provided with scale marks, the surface of the puncture needle tube is provided with side liquid taking holes at the position close to the needle head, the surface of the puncture needle tube is provided with six side liquid taking holes, and the puncture needle tube is fixed with the bottom plate by penetrating through the infusion plate and the needle cylinder.

Preferably, the surface of the bottom plate is fixedly sleeved with a sealing ring, the bottom plate is fixed with the needle cylinder through a fixing groove, and the bottom plate is embedded into the fixing groove through the sealing ring and is sealed with the needle cylinder.

Preferably, the surface of the infusion plate is provided with a liquid injection port, the infusion plate is internally provided with an embedding hole, and the needle cylinder is embedded into the embedding hole through the fixed pipe orifice and fixed with the infusion plate.

Preferably, one end of the piston rod is fixedly connected with and provided with a piston at one side of the stop ring, and the piston rod is movably connected with the needle cylinder through the piston.

Preferably, the inner surface of the liquid collecting pipe is provided with scale values, and the liquid collecting pipe is communicated with the needle cylinder through a liquid conveying pipe.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the thumb and the handle can be fixed when the puncture needle is used through the arranged lantern ring, so that the needle cylinder can be better held by hands, the tissue fluid extraction and the medicine injection after puncture are more facilitated, the tissue fluid extraction is faster and more convenient through the arranged side fluid extraction hole, the puncture needle has two functions of tissue fluid extraction and medicine injection through the arranged fluid injection hole, and the tissue fluid cannot flow out of the fluid injection hole in the tissue fluid extraction process.

Drawings

FIG. 1 is a top view of a tumor puncture needle according to the present invention;

FIG. 2 is a partial cross-sectional view of a tumor puncture needle according to the present invention;

FIG. 3 is a partial cross-sectional view of a tumor puncture needle according to the present invention;

fig. 4 is an enlarged view of the tumor puncture needle of the present invention at a point a in fig. 2.

In the figure: 1. a needle cylinder; 101. a liquid outlet; 102. fixing grooves; 103. fixing the pipe orifice; 2. a support bar; 3. a sealing cover; 4. a piston rod; 401. a piston; 5. a handle; 6. a collar; 7. a transfusion plate; 701. a liquid injection port; 702. embedding holes; 8. a puncture needle tube; 801. scale marks are marked; 802. a side draw well; 9. a liquid collecting pipe; 901. a scale value; 10. a stop ring; 11. an anti-reflux piston; 12. a base plate; 1201. and (5) sealing rings.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a tumor puncture needle comprises a puncture needle tube 8 and a needle cylinder 1, wherein a support rod 2 is fixedly sleeved on the outer surface of the needle cylinder 1, a sealing cover 3 is fixedly embedded on the surface of one end of the needle cylinder 1, a piston rod 4 is movably connected and installed inside the needle cylinder 1, a handle 5 is fixedly connected and installed at one end of the piston rod 4, a lantern ring 6 is fixedly connected and installed on the surface of the handle 5, the lantern ring 6 can be fixed with the handle 5 by a thumb when the puncture needle is used, so that the needle cylinder 1 can be better held by hand, and is more beneficial to tissue fluid extraction and drug injection after puncture, a transfusion plate 7 is fixedly connected and installed at the other end of the needle cylinder 1, the puncture needle tube 8 is fixedly connected and installed inside the needle cylinder 1, a liquid collecting tube 9 is fixedly communicated with the surface of the needle cylinder, the anti-reflux piston 11 is arranged inside the infusion plate 7, and the bottom plate 12 is fixedly connected and installed at the other end of the piston rod 4 inside the needle cylinder 1;

a liquid outlet 101 is formed in the surface of the needle cylinder 1, a fixing groove 102 is formed in the inner surface of the needle cylinder 1, and a fixing pipe orifice 103 is formed in one end of the needle cylinder 1; the surface of the puncture needle tube 8 is provided with scale marks 801, the surface of the puncture needle tube 8 close to the needle head is provided with side liquid taking holes 802, the side liquid taking holes 802 enable tissue liquid to be more quickly and conveniently extracted, the surface of the puncture needle tube 8 is provided with six side liquid taking holes 802, and the puncture needle tube 8 is fixed with the bottom plate 12 by penetrating through the infusion plate 7 and the needle tube 1; a sealing ring 1201 is fixedly sleeved on the surface of the bottom plate 12, the bottom plate 12 is fixed with the syringe 1 through a fixing groove 102, and the bottom plate 12 is embedded into the fixing groove 102 through the sealing ring 1201 and sealed with the syringe 1; the surface of the infusion plate 7 is provided with a liquid injection port 701, the liquid injection port 701 enables the puncture needle to have two functions of extracting tissue fluid and injecting medicine, the tissue fluid cannot flow out of the liquid injection port 701 in the tissue fluid extraction process, an embedded hole 702 is formed in the infusion plate 7, and the needle cylinder 1 is embedded into the embedded hole 702 through the fixed pipe orifice 103 and fixed with the infusion plate 7; one end of the piston rod 4 is fixedly connected with a piston 401 at one side of the stop ring 10, and the piston rod 4 is movably connected with the needle cylinder 1 through the piston 401; the inner surface of the liquid collecting pipe 9 is provided with a scale value 901, and the liquid collecting pipe 9 is communicated with the needle cylinder 1 through a liquid conveying pipe.

It should be noted that, the invention is a tumor puncture needle, when in use, the needle cylinder 1 is held by hand, then the thumb is inserted into the lantern ring 6 to fix and press down the puncture needle to make the puncture needle tube 8 inserted into the tissue, the depth of the puncture needle tube 8 penetrating into the tissue can be clearly known through the scale mark 801 on the surface of the puncture needle tube 8, when extracting the tissue fluid of the puncture site, the piston rod 4 in the needle cylinder 1 extracts the tissue fluid of the puncture site by pulling the lantern ring 6, the tissue fluid entering the needle cylinder 1 enters the liquid collecting tube 9 through the liquid outlet 101, the quantity of the extracted tissue fluid is controlled through the scale value 901 in the liquid collecting tube 9, when extracting the tissue fluid, because the anti-reflux piston 11 is arranged in the liquid conveying plate 7, the tissue fluid can not flow out to the surface of the puncture needle through the liquid injection port 701 to pollute the puncture needle, the side liquid taking hole 802 arranged on the surface of the puncture needle tube 8 can increase the, when medicine injection is carried out on a puncture part, medicine can be directly injected into the puncture needle tube 8 through the liquid injection port 701, medicine treatment is carried out on the part which is punctured through the injection of the puncture needle tube 8, tissue fluid can be directly extracted after injection under the condition that the tissue fluid needs to be extracted after the medicine injection treatment is carried out on some parts, the required tissue fluid can be obtained in time, and the practicability of the puncture needle is enhanced.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A tumor puncture needle, which is characterized in that: including pjncture needle tubing (8) and cylinder (1), the surface mounting cover of cylinder (1) is established and is installed bracing piece (2), the one end fixed surface of cylinder (1) is inlayed and is established and install sealed lid (3), the inside swing joint of cylinder (1) installs piston rod (4), the one end fixed connection of piston rod (4) installs handle (5), the fixed surface connection of handle (5) installs lantern ring (6), the other end fixed connection of cylinder (1) installs infusion board (7), the inside fixed connection of cylinder (1) installs pjncture needle tubing (8), the fixed surface intercommunication of cylinder (1) has collector tube (9), the fixed surface cover that the inside of cylinder (1) is located piston rod (4) is established and is installed backstop circle (10), the inside of infusion board (7) is equipped with anti reflux piston (11), the needle cylinder (1) is fixedly connected with and provided with a bottom plate (12) at the other end of the piston rod (4).

2. A tumor puncture needle according to claim 1, characterized in that: the surface of cylinder (1) is equipped with liquid outlet (101), fixed slot (102) have been seted up to the internal surface of cylinder (1), the one end of cylinder (1) is equipped with fixed mouth of pipe (103).

3. A tumor puncture needle according to claim 1, characterized in that: the surface of pjncture needle tubing (8) is equipped with scale mark (801), the surface of pjncture needle tubing (8) is close to the syringe needle position and has seted up side draw liquid hole (802), six side draw liquid holes (802) have been seted up on the surface of pjncture needle tubing (8), pjncture needle tubing (8) are fixed with bottom plate (12) through passing infusion board (7) and cylinder (1).

4. A tumor puncture needle according to claim 1, characterized in that: the surface of the bottom plate (12) is fixedly sleeved with a sealing ring (1201), the bottom plate (12) is fixed with the needle cylinder (1) through a fixing groove (102), and the bottom plate (12) is embedded into the fixing groove (102) through the sealing ring (1201) and sealed with the needle cylinder (1).

5. A tumor puncture needle according to claim 1, characterized in that: the surface of infusion board (7) is equipped with annotates liquid mouth (701), the inside of infusion board (7) has been seted up and has been inlayed and establish hole (702), syringe (1) are inlayed through fixed mouth of pipe (103) and are established hole (702) and be fixed with infusion board (7).

6. A tumor puncture needle according to claim 1, characterized in that: one end of the piston rod (4) is fixedly connected with and provided with a piston (401) at one side of the stop ring (10), and the piston rod (4) is movably connected with the needle cylinder (1) through the piston (401).

7. A tumor puncture needle according to claim 1, characterized in that: the inner surface of the liquid collecting pipe (9) is provided with a scale value (901), and the liquid collecting pipe (9) is communicated with the needle cylinder (1) through a liquid conveying pipe.