CN218889690U

CN218889690U - High-safety lung biopsy puncture needle

Info

Publication number: CN218889690U
Application number: CN202222302046.1U
Authority: CN
Inventors: 魏家富; 王思清
Original assignee: Norris Changzhou Medical Device Industry Research Institute Co ltd
Current assignee: Norris Changzhou Medical Device Industry Research Institute Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-04-21
Anticipated expiration: 2032-08-30

Abstract

The application discloses high lung biopsy pjncture needle of security belongs to medical treatment technical field. The device mainly comprises a puncture needle, a sampling needle arranged in the puncture needle, a sampling head is arranged at the end part of the sampling needle, a sealing tube is movably connected between the puncture needle and the sampling needle, an elastic bag is arranged at the end part of the sealing tube, which is close to the sampling head, the elastic bag is elastically expandable and wraps the sampling head, after a focus is acquired by the sampling head on the sampling needle, the sampling needle is pulled into the puncture needle, the elastic bag at the end part of the sealing tube is pushed out from the puncture needle, and the elastic bag loses pressure and is plugged by virtue of self elastic expansion, so that the acquired focus sample is prevented from leaking in a patient body to cause infection when being pulled out of the puncture needle. The high-safety lung biopsy puncture needle achieves the effect of preventing infection.

Description

High-safety lung biopsy puncture needle

Technical Field

The application relates to the technical field of medical treatment, in particular to a high-safety lung biopsy puncture needle.

Background

The biopsy puncture needle is a medical instrument for sampling living tissues, sucking cells and the like of cone tumors, unknown tumors and the like of the lung.

Through searching, the common biopsy puncture needle is directly pulled out after sampling in a patient, and in the condition that some focus is already infected, in the pulling-out process, a sampling port possibly leaks out to cause internal infection when passing through a path window in the patient, so that potential safety hazards exist.

There is a need to provide a high safety biopsy needle for the lung to address the above problems.

It should be noted that the above information disclosed in this background section is only for understanding the background of the inventive concept and, therefore, it may contain information that does not constitute prior art.

Disclosure of Invention

Based on the above-mentioned problems existing in the prior art, an object of an embodiment of the present application is to: provides a high-safety lung biopsy puncture needle, and achieves the effect of preventing infection.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a high lung biopsy pjncture needle of security, includes the pjncture needle, sets up sample needle in the pjncture needle, the tip of sample needle is provided with the sample head, the pjncture needle with swing joint has the sealed tube between the sample needle, the sealed tube is close to the tip of sample head is installed the elastic bag, the elastic bag has elasticity inflation and wraps up the sample head, after the sample head on the sample needle acquires the focus, will the sample needle is pulled into in the pjncture needle, will the elastic bag of sealed tube tip is followed release in the pjncture needle, thereby the elastic bag loses pressure and relies on self elastic expansion will the pjncture needle blocks up, reduces the focus sample of acquisition and leaks when taking out the pjncture needle and cause the possibility of infection in patient.

Further, the inner side of the elastic bag is filled with gas, the elastic bag is in a compressed state when inside the puncture needle, and the elastic bag is in an expanded state when outside the puncture needle.

Further, a gas pipeline is arranged in the side wall of the sampling needle, one end of the gas pipeline is connected with the elastic bag, and the other end of the gas pipeline is connected with an external gas source.

Further, a holding part is arranged at one end of the puncture needle and is used for conveniently grabbing the puncture needle.

Further, wavy stripes are arranged on the holding part.

Further, a clamp and a part are installed at one end of the holding part, a protruding block is arranged at one end of the sealing tube, a limiting part is arranged at one end of the holding part, and the limiting part is used for being matched with the clamp and the part and the protruding block to fix the position of the sealing tube in the puncture needle.

Further, a plurality of groups of elastic parts are arranged on the card and the part, and the elastic parts are used for increasing friction force between the card and the part and the limiting part.

Further, a developing ring is arranged on the puncture needle.

Further, the sampling head comprises a sampling cavity and a sampling notch.

Further, a hole is formed in one end of the limiting portion, and the diameter of the hole is equal to that of the sampling needle.

The beneficial effects of this application are: the utility model provides a high lung biopsy pjncture needle of security through being provided with the cooperation of elastic bag and sealed tube for can block up the tip of pjncture needle through the elastic bag inflation after obtaining the focus sample, thereby reduce the focus in the pjncture needle and leak the possibility that causes the infection.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of a high safety biopsy needle for lung of the present application;

FIG. 2 is a schematic exploded cross-sectional view of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the use state of FIG. 1;

wherein, each reference sign in the figure:

1. a puncture needle; 2. a handle; 3. a chuck; 4. a housing; 5. sealing the tube; 6. an elastic bag; 7. a sampling needle.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

As shown in fig. 1-3, the application provides a high-safety biopsy puncture needle for lung, which comprises a puncture needle 1, wherein a developing ring is arranged on the puncture needle 1, the developing ring is used for conveniently observing the specific position of the puncture needle 1 in a patient, a sampling needle 7 is arranged in the puncture needle 1, a sampling head is arranged at the end part of the sampling needle 7, the sampling head consists of a sampling cavity and a sampling notch, the sampling notch is used for stripping a focus in the patient, and the sampling cavity is used for storing stripped focus samples.

A sealing tube 5 is movably connected between the sampling needle 7 and the puncture needle 1, an elastic bag 6 is arranged at one end of the sealing tube 5 close to the sampling head, and the elastic bag 6 has elasticity and can be inflated;

the inside of the elastic bag 6 is filled with gas, when the elastic bag 6 is positioned in the puncture needle 1, the elastic bag 6 is extruded and deformed by the inner wall of the puncture needle 1 and the outer wall of the sampling needle 7, and when the elastic bag 6 is pushed out of the puncture needle 1 by the sealing tube 5, the elastic bag 6 is elastically expanded by the elastic bag 6 to block the port of the puncture needle 1;

filling the inside of the elastic bag 6 with gas is advantageous in reducing costs and is simple to manufacture.

Or a gas pipeline is arranged in the side wall of the sealing tube 5, one end of the gas pipeline is communicated with the elastic bag 6, the other end of the gas pipeline is connected to an external gas source, and when the elastic bag 6 is pushed out of the puncture needle 1 by the sealing tube 5, the external gas source inflates the elastic bag 6 so as to expand the elastic bag to block the port of the puncture needle 1;

inflation of the elastic bag 6 by an external air source can make the air pressure inside the elastic bag 6 higher, thereby improving the sealing performance.

When the elastic bag 6 is not pushed out of the puncture needle 1, the sampling needle 7 is pulled back after sampling is completed, so that the sampling head is pulled to the left side of the elastic bag 6, the elastic bag 6 is inflated inside the puncture needle 1, and the sampling head and the port of the puncture needle 1 are isolated, so that the possibility of focus leakage is reduced.

After the lesion in the patient is obtained by using the sampling head on the sampling needle 7, the sampling head is manually pulled back into the puncture needle 1, and when the elastic bag 6 is pushed out of the puncture needle 1 to make the elastic bag inflated to block the port of the puncture needle 1, the lesion sample in the sampling head will not leak into the patient when the puncture needle 1 is pulled out of the patient, so that the possibility of infection is reduced.

As shown in fig. 3, the handle 2 is fixedly arranged at the left end of the puncture needle 1, and wavy stripes are arranged on the handle 2, so that the puncture needle 1 can be conveniently grasped, and the stability during puncture is improved;

the left end of the handle 2 is fixedly provided with a chuck 3, the left end of the sealing tube 5 is fixedly provided with a bump, the left end of the handle 2 is provided with a housing 4, the housing 4 is internally provided with clamping grooves matched with the chuck 3 and the bump, a spacing distance is arranged between the two clamping grooves, when the bump and the chuck 3 are placed in the clamping grooves of the housing 4, the spacing distance enables an elastic bag 6 at the end part of the sealing tube 5 to be fixed in the puncture needle 1, so that the sealing tube 5 is prevented from being driven to move when a sampling needle 7 is used, and sampling is prevented from being influenced;

after the sampling is completed, the housing 4 is taken down, and then the position of the sealing tube 5 is manually controlled to seal the port of the puncture needle 1;

the outside of chuck 3 evenly is provided with the elasticity lug, and when chuck 3 put into housing 4, the elasticity lug shrink warp to produce certain pressure to the inner wall of housing 4, thereby improve the tight degree of housing 4 installation, avoid unexpected dropping.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a high lung biopsy pjncture needle of security, includes pjncture needle (1), sets up sample needle (7) in pjncture needle (1), the tip of sample needle (7) is provided with sample head, its characterized in that: the puncture needle (1) is movably connected with a sealing tube (5) between the sampling needle (7), an elastic bag (6) is arranged at the end part of the sealing tube (5) close to the sampling head, and the elastic bag (6) is elastically expandable and wraps the sampling head.

2. A high safety biopsy needle for the lung of claim 1, wherein: the inside of the elastic bag (6) is filled with gas, the elastic bag (6) is in a compressed state when inside the puncture needle (1), and the elastic bag (6) is in an expanded state when outside the puncture needle (1).

3. A high safety biopsy needle for the lung of claim 1, wherein: the side wall of the sampling needle (7) is internally provided with a gas pipeline, one end of the gas pipeline is connected with the elastic bag (6), and the other end of the gas pipeline is connected with an external gas source.

4. A high safety biopsy needle for the lung of claim 1, wherein: one end of the puncture needle (1) is provided with a holding part, and the holding part is used for conveniently grabbing the puncture needle (1).

5. A high safety biopsy needle for the lung of claim 4, wherein: the holding part is provided with wavy stripes.

6. A high safety biopsy needle for the lung of claim 4, wherein: the device comprises a puncture needle (1), wherein a clamping part and a holding part are arranged at one end of the holding part, a protruding block is arranged at one end of the sealing tube (5), a limiting part is arranged at one end of the holding part, and the limiting part is used for being matched with the clamping part and the protruding block to fix the position of the sealing tube (5) in the puncture needle (1).

7. A high safety biopsy needle for the lung of claim 6, wherein: the card and the part are provided with a plurality of groups of elastic parts, and the elastic parts are used for increasing the friction force between the card and the part and the limiting part.

8. A high safety biopsy needle for the lung of claim 1, wherein: the puncture needle (1) is provided with a developing ring.

9. A high safety biopsy needle for the lung of claim 1, wherein: the sampling head comprises a sampling cavity and a sampling notch.

10. A high safety biopsy needle for the lung of claim 6, wherein: one end of the limiting part is provided with a hole, and the diameter of the hole is equal to that of the sampling needle (7).