CN220588331U

CN220588331U - Tumor puncturing device

Info

Publication number: CN220588331U
Application number: CN202223014093.2U
Authority: CN
Inventors: 谯亮亮; 杨茂华
Original assignee: Jinshazhou Hospital Of Guangzhou University Of Traditional Chinese Medicine
Current assignee: Jinshazhou Hospital Of Guangzhou University Of Traditional Chinese Medicine
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2024-03-15
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a device for tumor puncture, which comprises a fixing device, a puncture needle and a cutting and collecting device; the puncture needle comprises a holding part, a needle sheath, a needle core and a needle tip which are connected in sequence; the fixing device is movably connected with the needle sheath; the cutting and collecting device comprises a cutting needle and a collecting groove; the inside of the needle core is in sliding connection with the cutting needle in the vertical direction, and the collecting groove is arranged at the bottom of the cutting needle. The device is two part pjncture needles and cutting needle, and the pjncture needle is used for carrying out location and getting a small amount of tissue sample at the needle point to the tumour, then cuts big tissue through the cutting needle, slides and reachs the position of location and take a sample, and the collection groove collection tissue has improved the sample volume greatly, because pjncture needle and cutting needle are two parts moreover, the pjncture angle homoenergetic of cutting needle and pjncture needle is adjusted, need not to carry out multiple puncture operation, can realize different positions, different degree of depth tissue sampling.

Description

Tumor puncturing device

Technical Field

The utility model relates to the technical field of tumor puncture devices, in particular to a device for tumor puncture.

Background

The tumor disease seriously endangers the life and health of human beings, timely discovers and correctly diagnoses the property of the tumor and adopts practical and effective treatment measures which are important for the health of patients. The combination of clinical, imaging and pathological analysis is necessary to obtain a correct diagnosis. Among them, the choice of treatment regimen depends largely on accurate pathological diagnosis. Among the various diagnostic methods available, needle biopsy is the primary way to obtain a pathological diagnosis. Because CT imaging has no tissue overlapping and the density resolution ratio is very high, the puncture biopsy of tumor cells is performed under CT guidance, the focus position can be more intuitively indicated for a doctor, the doctor can better plan the puncture path, and meanwhile, the success rate of sampling is greatly improved through real-time remote operation.

In the biopsy operation process, the biopsy needle needs to be matched with CT color ultrasound at the same time, enters a specific part of a human body, samples and brings out tissues, and pathological examination is carried out, so that whether the tissues are cancerous or not is confirmed. Because the position of the biopsy needle is difficult to locate and the sampling amount is limited, the condition of multiple punctures can occur, during puncturing operation, the puncture biopsy needle can easily cause damage to tissues with the increase of the number of times of passing through the tissues, the damage to blood vessels is caused, and puncture complications can be caused, so that the number of times of repeatedly passing through the tissues by the puncture biopsy needle is reduced as much as possible. And the existing biopsy needle cannot meet the acquisition requirements of different depths and different points.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide a device for tumor puncture, which is provided with a puncture needle and a cutting and collecting device, and can collect the tumor at the same time of puncture, thereby meeting the collection requirements of different depths and points.

The utility model adopts the following technical scheme:

a tumor puncturing device comprises a fixing device, a puncture needle and a cutting and collecting device; the puncture needle comprises a holding part, a needle sheath, a needle core and a needle tip which are connected in sequence; the fixing device is movably connected with the needle sheath; the cutting and collecting device comprises a cutting needle and a collecting groove; the inside of the needle core is in sliding connection with the cutting needle in the vertical direction, and the collecting groove is arranged at the bottom of the cutting needle.

Further, the needle sheath comprises an injection pipeline and a syringe, wherein the injection pipeline is arranged in the needle sheath, and the injection pipeline is detachably connected with the syringe.

Further, a movable opening and closing valve is arranged at the opening of the injection pipeline.

Further, the needle sheath is square or circular.

Further, the needle sheath is provided with length scale marks.

Further, the shape of the needle tip is a rounded corner.

Further, a plurality of rib plates are arranged outside the needle core.

Further, the collecting groove is arranged on the bottom side wall of the puncture needle.

Further, fixing device is fixed plate, fixed slot and stationary blade, is equipped with the fixed slot on the fixed plate, and the fixed slot is equipped with mobilizable stationary blade with the needle sheath swing joint of pjncture needle in both sides of fixed slot.

Further, the rotary rod is arranged at the top of the cutting needle and connected with the cutting needle and used for rotating the direction and the position of the cutting needle.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The device for tumor puncture comprises a fixing device, a puncture needle and a cutting and collecting device; the puncture needle comprises a holding part, a needle sheath, a needle core and a needle tip which are connected in sequence; the fixing device is movably connected with the needle sheath; the cutting and collecting device comprises a cutting needle and a collecting groove; the inside of the needle core is in sliding connection with the cutting needle in the vertical direction, and the collecting groove is arranged at the bottom of the cutting needle. The common device is that the puncture needle takes account of puncture location and sampling effect simultaneously, but the sampling quantity of the puncture needle is limited generally, if the sampling quantity is not enough to need puncture for multiple times, the puncture needle and the cutting needle of the device for tumor puncture are used for locating tumors and taking a small amount of tissue samples at the needle point, then a large block of tissues is cut through the cutting needle, the tissue is sampled after sliding to reach the locating position, and then the tissue is collected by the collecting tank, so that the sampling quantity is greatly improved.

(2) The needle sheath of the puncture needle is provided with the length scale marks, so that an operator can puncture the tumor position conveniently by combining CT positioning, and the puncture depth can be controlled.

(3) The fixing device of the puncture device comprises a fixing plate, a fixing groove and fixing sheets, wherein the fixing plate is provided with the fixing groove, the fixing groove is movably connected with a needle sheath of a puncture needle, movable fixing sheets are arranged on two sides of the fixing groove, the front and back angles of the fixing plate are adjusted during use, the fixing sheets are combined with the fixing groove, the fixing sheets are used for clamping and fixing the puncture needle after the puncture needle is placed, then the puncture needle is pushed, the puncture needle is prevented from sliding off, operation accidents are avoided, and the puncture effect and accuracy are improved.

(4) The puncture device of the utility model further comprises an injection pipeline and a syringe, wherein the injection pipeline is arranged in the needle sheath, and the injection pipeline is detachably connected with the syringe. The separator is injected into a specific position through an injector in an injection pipeline, such as gas or liquid, so as to separate tissues from organs, specifically, the closely connected organs are separated by utilizing air flow, and space is created for subsequent puncture, cutting and sampling.

(5) The needle point of the puncture needle in the puncture device is a rounded corner, so that the entry of a needle sheath is facilitated, and the angle of the needle point is 20-60 degrees, so that the puncture needle is sharp enough and can penetrate the skin more easily. In order to increase the strength of the needle body, a plurality of rib plates are arranged outside the needle core to prevent the needle core from bending so that the needle sheath cannot enter. And compared with the common biopsy needle head, the utility model can reduce one needle sheath, and the volume occupied by the two needle sheaths by the design under the condition that the diameter of the outer needle sheath of the needle core is the same is concentrated on one needle core, so that more sampling amount is obtained.

Drawings

FIG. 1 is a schematic view of a tumor puncturing device;

FIG. 2 is a schematic view of a partially enlarged structure of a needle;

FIG. 3 is a view showing the state of use of the tumor puncturing device of the present utility model;

in the figure: 1. a fixing device; 11. a fixing plate; 12. a fixing groove; 13. a fixing piece; 21. a grip portion; 22. needle sheath, 23, needle core; 24. a needle tip; 3. a cutting needle; 31. a collection tank; 32. a rotating lever; 4. an injection conduit; 5. a syringe; 6. and rib plates.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

As shown in fig. 1, the present utility model provides a tumor puncturing device, comprising a fixing device 1, a puncture needle, a cutting and collecting device, an injection pipeline 4, a syringe 5 and a rotating rod 32; the puncture needle comprises a holding part 21, a needle sheath 22, a needle core 23 and a needle tip 24 which are sequentially connected; the fixing device 1 is movably connected with the needle sheath 22; the cutting and collecting device comprises a cutting needle 3 and a collecting groove 31; the inside of the needle core 23 is slidably connected to the cutting needle 3 in a vertical direction, and a collecting groove 31 is provided at the bottom of the cutting needle 3. A rotating rod 32 is provided on top of the cutting needle 3 and connected to the cutting needle 3 for rotating the direction and position of the cutting needle 3.

Specifically, the injection tube 4 is disposed inside the needle sheath 22, and the injection tube 4 is detachably connected to the syringe 5. The opening of the injection pipe 4 is provided with a movable opening and closing valve. The separator is injected into a specific position through the injector 5 in the injection pipeline 4, such as gas or liquid, and the separator is injected to separate tissues from organs, specifically, the closely connected organs are separated by utilizing air flow, so that space is created for subsequent puncture, cutting and sampling.

The fixing device 1 is a fixing plate 11, a fixing groove 12 and a fixing plate 13, the fixing plate 11 is provided with the fixing groove 12, the fixing groove 12 is movably connected with a needle sheath 22 of the puncture needle, two sides of the fixing groove 12 are provided with the movable fixing plate 13, the front-back angle of the fixing plate 11 is adjusted during use, the fixing groove 12 is combined, the fixing plate 13 is used for clamping and fixing the puncture needle after the puncture needle is placed, then the puncture needle is pushed, the puncture needle is prevented from sliding down, operation accidents are avoided, and the puncture effect and accuracy are improved.

Wherein the needle sheath 22 is square. The needle sheath 22 is provided with length scale marks, so that an operator can conveniently puncture the tumor position by combining CT positioning, and the puncture depth can be controlled. The needle tip 24 is rounded in shape. The outside of the needle core 23 is provided with a plurality of rib plates 6. The collecting groove 31 is provided on the bottom side wall of the puncture needle.

As shown in FIG. 2, the tip 24 of the needle is rounded to facilitate entry of the needle sheath 22, and the angle of the tip 24 is 20 to ensure that it is sharp enough to penetrate the skin more easily. In order to increase the strength of the needle body, a plurality of rib plates 6 are arranged outside the needle core 23 to prevent the needle core 23 from bending so that the needle sheath 22 cannot enter. And compared with the common biopsy needle, the utility model can reduce one needle sheath 22, and the volume occupied by two needle sheaths 22 is concentrated on one needle core 23 under the condition that the diameters of the outer needle sheaths 22 of the needle core 23 are the same, so that the rib plate 6 of the needle core 23 can accommodate more sampling amount during the subsequent needle drawing of the puncture needle.

As shown in fig. 3, the device is used by doctors to realize tissue sampling at different points and different depths for percutaneous lung portal tumor puncture biopsy under CT guidance.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. The device for tumor puncture is characterized by comprising a fixing device, a puncture needle and a cutting and collecting device; the puncture needle comprises a holding part, a needle sheath, a needle core and a needle tip which are connected in sequence; the fixing device is movably connected with the needle sheath; the cutting and collecting device comprises a cutting needle and a collecting groove; the inside of the needle core is in sliding connection with the cutting needle in the vertical direction, and the collecting groove is arranged at the bottom of the cutting needle.

2. The tumor puncturing device according to claim 1, further comprising an injection tube and a syringe, wherein the injection tube is disposed inside the needle sheath, and wherein the injection tube is detachably connected to the syringe.

3. The tumor puncturing device according to claim 2, wherein a movable opening/closing valve is provided at an opening of the injection tube.

4. The tumor puncturing device according to claim 1, wherein the needle sheath is square or circular.

5. The tumor puncturing device according to claim 1, wherein the needle sheath is provided with length scale markings.

6. The tumor puncturing device according to claim 1, wherein the needle tip has a rounded shape.

7. The tumor puncturing device according to claim 1, wherein a plurality of rib plates are provided on the outside of the needle core.

8. The tumor puncturing device of claim 1, wherein the collection trough is disposed on a bottom sidewall of the puncture needle.

9. The tumor puncturing device according to claim 1, wherein the fixing device comprises a fixing plate, a fixing groove and fixing sheets, the fixing plate is provided with the fixing groove, the fixing groove is movably connected with the needle sheath of the puncture needle, and two sides of the fixing groove are provided with the movable fixing sheets.

10. The tumor puncturing device of claim 1, further comprising a rotating lever disposed on top of the cutting needle and coupled to the cutting needle for rotating the orientation and position of the cutting needle.