CN219000484U

CN219000484U - Puncture needle for bronchus of lung segment

Info

Publication number: CN219000484U
Application number: CN202222701970.7U
Authority: CN
Inventors: 王运仓
Original assignee: Tibet Autonomous Region People's Government In Chengdu Office Hospital
Current assignee: Tibet Autonomous Region People's Government In Chengdu Office Hospital
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-05-12
Anticipated expiration: 2032-10-13

Abstract

The utility model relates to a puncture needle for bronchus of a lung segment, which comprises a puncture needle and a forceps holder; the needle handle of the puncture needle is provided with a frosted ball through a connecting rod; the clamp device comprises a clamp arm I and a clamp arm II, and the clamp arm I is hinged with the clamp arm II through a rotating shaft; the front ends of the first clamp arm and the second clamp arm are respectively and correspondingly provided with a right clamp head and a left clamp head, and the right clamp head and the left clamp head are matched to form clamp heads capable of clamping the grinding ball. The beneficial effects achieved by the utility model are as follows: the needle can be fixed in the bronchus through the inflation of the air bag on the puncture needle and the bronchus is blocked to prevent the reverse flow of the air in the distal end trachea; the puncture needle can be clamped at multiple angles; during puncturing, the clamping angle and the proper puncturing direction are also convenient to be quickly adjusted to perform puncturing action.

Description

Puncture needle for bronchus of lung segment

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a puncture needle for a bronchus of a lung segment.

Background

The puncture needle for the bronchus of the lung segment is specifically applied to puncture and enter the puncture needle from the proximal end to the distal end of the bronchus in thoracoscopic operation; then, the distal bronchus are inflated through the needle core connecting pipe, so that the lung segment tissues dominated by the lung segment bronchus are inflated; in preparation for subsequent surgery.

In thoracoscopy, the wings at the needle handle are clamped by the hemostatic forceps or the needle holding forceps for puncturing, and the hemostatic forceps or the needle holding forceps cannot conveniently clamp the wings at the needle handle at multiple angles, so that the proper clamping angle cannot be conveniently and quickly adjusted during puncturing, and puncturing action is performed.

Based on the above, a puncture needle for bronchus of a lung segment is designed, namely, the needle is fixed in bronchus through inflation of an air bag on the puncture needle, the bronchus is blocked to prevent reverse flow of air in a distal end trachea, the puncture needle can be clamped at multiple angles conveniently, and the puncture needle can be conveniently adjusted to a proper puncture direction to perform puncture action.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the puncture needle for the bronchus of the lung segment, which can not only fix the needle in the bronchus and block the bronchus to prevent the reverse flow of air in the distal bronchus by inflating an air bag on the needle, but also facilitate the clamping of the puncture needle at multiple angles and facilitate the adjustment to a proper puncture direction for puncture action.

The aim of the utility model is achieved by the following technical scheme:

a puncture needle for a bronchus of a lung segment, characterized in that: comprises a puncture needle and a clamp; the needle handle of the puncture needle is provided with a frosted ball through a connecting rod; the clamp device comprises a clamp arm I and a clamp arm II, and the clamp arm I is hinged with the clamp arm II through a rotating shaft; the front ends of the first clamp arm and the second clamp arm are respectively and correspondingly provided with a right clamp head and a left clamp head, and the right clamp head and the left clamp head are matched to form clamp heads capable of clamping the grinding ball.

The right clamp head and the left clamp head are provided with cambered surfaces matched with the grinding ball body, so that the grinding ball can be clamped by the right clamp head and the left clamp head to control the puncture needle; the design of the frosted surface can increase the friction force of clamping so that the clamping is stable, and meanwhile, the spherical design of the frosted ball can facilitate the multi-angle forceps clip puncture needle.

Further, the front end of the puncture needle is provided with an air bag which is communicated with the inflation tube and is used for inflating the air bag; the needle core of the puncture needle is communicated with the needle core connecting pipe for inflating the distal bronchus. The inflatable tube is used for inflating the air bag, and the air bag is inflated, so that the puncture needle can be fixed in the bronchus and can block the bronchus, and the reverse flow of air in the distal-end bronchus can be prevented.

Further preferably, the first front part of the clamp arm and the second front part of the clamp arm respectively incline upwards by 30 degrees to form an inclined rod part, and the right clamp head and the left clamp head are respectively arranged at the front ends of the corresponding inclined rod parts; the rear ends of the first and second forceps arms are respectively provided with a left grip and a right grip. The design of the inclined rod part can be beneficial to avoiding the rear end of the clamp from shielding the front end visual field.

Further, the upper ends of the needle core connecting pipe and the inflation pipe are respectively provided with a single pipe head valve. The air inlet pipe can be communicated with the air inlet pipe through the single pipe head valve for inflation.

Further, the inner surfaces of the right binding clip and the left binding clip are of frosted structures.

Preferably, the widths of the right clamp head and the left clamp head are 1/3 of the diameter of the grinding ball.

Further, when the right clamp head is clamped with the left clamp head, an empty gap is formed between the front end of the right clamp head and the front end of the left clamp head, and the width of the empty gap is larger than or equal to the diameter of the connecting rod.

Further, the opposite sides of the left grip and the right grip are respectively provided with a clamping block, and the opposite sides of the two clamping blocks are respectively provided with a plurality of transverse grooves. Can increase friction force and has better use feeling.

The utility model has the following advantages:

(1) The scheme can be used for fixing the puncture needle in the bronchus and blocking the bronchus through the inflation of the air bag on the puncture needle, so that the reverse flow of air in the distal-end bronchus is prevented;

(2) According to the technical scheme, the frosting ball arranged at the upper part of the puncture needle is matched with the special clamp holder and the frosting ball to replace the mode that the hemostatic forceps or the needle holding forceps clamp the wings at the needle handle in the prior art, so that the problem that the hemostatic forceps or the needle holding forceps clamp the wings at the needle handle in the prior art is inconvenient to clamp at multiple angles is solved; during puncturing, the clamping angle and the proper puncturing direction are also convenient to be quickly adjusted to perform puncturing action.

Drawings

FIG. 1 is a schematic view of a lancet of the present utility model;

FIG. 2 is a schematic view of a jaw apparatus of the present utility model;

FIG. 3 is a schematic view of the right binding clip of the present utility model mated with a sanding ball;

FIG. 4 is a schematic top view of the jaw apparatus of the present utility model;

FIG. 5 is a schematic view of a latch according to the present utility model;

FIG. 6 is an enlarged view of the head of the jaw of the present utility model;

FIG. 7 is a schematic view of the multi-angle engagement of the binding clip with the sanding ball of the present utility model;

in the figure: 1-puncture needle, 101-grinding ball, 2-clamp arm I, 3-clamp arm II, 4-rotating shaft, 5-air bag, 201-right clamp head, 203-left grip, 301-left clamp head, 302-right grip, 6-needle core connecting pipe, 7-inflation pipe, 9-single pipe head valve, 10-transverse groove, 12 and empty notch.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.

As shown in fig. 1 to 6, a puncture needle for a bronchus of a lung segment comprises a puncture needle 1 and a forceps holder; a grinding ball 102 is fixedly arranged at the needle handle of the puncture needle 1 through a connecting rod 101; the forceps head of the forceps holder comprises a right forceps head 201 and a left forceps head 301 which are matched with the sanding ball 102; when the right clamp head 201 and the left clamp head 301 clamp the frosted ball 102, the friction force between the clamp and the puncture needle 1 is greatly increased by using the frosted surface, so that the puncture needle 1 is firmly clamped.

Meanwhile, due to the spherical design of the grinding ball 102, the grinding ball 102 can be clamped by the right clamp head 201 and the left clamp head 301 at multiple angles, so that the multi-angle clamp puncture needle 1 of the clamp is convenient to use, and the direction can be conveniently and rapidly adjusted when the clamping angle is not suitable for hand puncture.

As shown in fig. 2, the clamp comprises a clamp arm I2 and a clamp arm II 3, wherein the clamp arm I2 is hinged with the clamp arm II 3 through a rotating shaft 4; the right binding clip 201 and the left binding clip 301 are respectively and correspondingly arranged at the front ends of the first clamp arm 2 and the second clamp arm 3.

In the embodiment, the front end of the puncture needle 1 is provided with an air bag 5, the air bag 5 is communicated with an inflation tube 7, the needle core of the puncture needle 1 is communicated with a needle core connecting tube 6, and in thoracoscopic surgery, the puncture needle 1 is punctured from the proximal end of a bronchus to the distal end; then the air bag is inflated 5 to fix the puncture needle 1 in the bronchus and block the bronchus to prevent the air in the distal end trachea from flowing backwards; finally, the distal bronchus is inflated through the needle core connecting pipe 6, so that the lung segment tissues dominated by the lung segment bronchus are inflated.

As shown in fig. 1 and 3, in this embodiment, the inflation tube 7 is fixed to the outer wall of the needle body of the puncture needle 1 in the longitudinal direction of the puncture needle.

Further, as shown in fig. 2 and fig. 4 to 6, in the present solution, the front part of the first jawarm 2 and the front part of the second jawarm 3 are respectively inclined upwards by 30 ° to form an inclined rod part; the right clamp head 201 and the left clamp head 301 are respectively arranged at the front ends of the corresponding inclined rod parts; the rear end of the first clamp arm 2 and the rear end of the second clamp arm 3 are respectively provided with a left grip 203 and a right grip 303 correspondingly. The design of the 30-degree amplitude of the head end of the clamp device has the advantages that in thoracoscopic operation, the operation view of the head end of the clamp device can be prevented from being blocked by the tail end, and the impact on the operation caused by collision with other thoracoscopic instruments can be avoided.

In this embodiment, as shown in fig. 1, a single tube head valve 9 is respectively arranged at the upper ends of the needle core connecting tube 6 and the inflation tube 7, so as to facilitate inflation and deflation. The single-tube head valve 9 is a one-way valve for common medical trachea cannula in the prior art; the single tube head valve 9 is communicated with an air inlet pipeline to perform inflation operation; the single-pipe valve 9 at the top end of the inflation pipe 7 can ensure inflation and deflation of the air bag 5 so as to control the inflation and deflation of the air bag 5.

Further, in this scheme, the inner surfaces of the right binding clip 201 and the left binding clip 301 are all frosted structures, so that friction is increased by matching with the frosted ball 102, and meanwhile, the simple design of the frosted surface is also convenient for disinfection treatment.

As shown in fig. 2 and 6, in this embodiment, the width of the right and left

binding heads

201 and 301 is 1/3 of the diameter of the grinding ball 102, so as to increase the flexibility of clamping.

As shown in fig. 4 and 6, when the right clamp head 201 and the left clamp head 301 are clamped, a hollow gap 12 is formed between the front end of the right clamp head 201 and the front end of the left clamp head 301, and the width of the hollow gap 12 is larger than or equal to the diameter of the connecting rod 101, so that the gear of the connecting rod 101 can be avoided, and the clamping at multiple angles is facilitated, as shown in the figure.

The foregoing examples represent only preferred embodiments, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that variations and modifications can be made by those skilled in the art without departing from the spirit of the utility model, which falls within the scope of the utility model.

Claims

1. A puncture needle for a bronchus of a lung segment, characterized in that: comprises a puncture needle (1) and a forceps holder;

the needle handle of the puncture needle (1) is provided with a grinding ball (102) through a connecting rod (101);

the clamp comprises a clamp arm I (2) and a clamp arm II (3), and the clamp arm I (2) is hinged with the clamp arm II (3) through a rotating shaft (4);

the front ends of the first clamp arm (2) and the second clamp arm (3) are respectively provided with a right clamp head (201) and a left clamp head (301), and the right clamp head (201) and the left clamp head (301) are matched to form clamp heads capable of clamping the grinding ball (102).

2. A puncture needle for a bronchus of a lung segment according to claim 1, wherein: the front end of the puncture needle (1) is provided with an air bag (5), and the air bag (5) is communicated with an inflation tube (7) for inflating the air bag (5);

the needle core of the puncture needle (1) is communicated with a needle core connecting pipe (6) for inflating the distal bronchus.

3. A puncture needle for a bronchus of a lung segment according to claim 2, characterized in that: the front parts of the first clamp arm (2) and the second clamp arm (3) are respectively inclined upwards by 30 degrees to form an inclined rod part, and the right clamp head (201) and the left clamp head (301) are respectively arranged at the front ends of the corresponding inclined rod parts;

the rear end of the first clamp arm (2) and the rear end of the second clamp arm (3) are respectively provided with a left grip (203) and a right grip (303) correspondingly.

4. A puncture needle for a bronchus of a lung segment according to claim 2, characterized in that: the upper ends of the needle core connecting pipe (6) and the inflation pipe (7) are respectively provided with a single pipe head valve (9).

5. A puncture needle for a bronchus of a lung segment according to claim 2, characterized in that: the inner surfaces of the right clamp head (201) and the left clamp head (301) are of frosted structures.

6. A puncture needle for a bronchus of a lung segment according to claim 2, characterized in that: the widths of the right clamp head (201) and the left clamp head (301) are 1/3 of the diameter of the grinding ball (102).

7. A needle for the bronchus of the lung segment as claimed in claim 6, wherein: when the right clamp head (201) is clamped with the left clamp head (301), a hollow gap (12) is formed between the front end of the right clamp head (201) and the front end of the left clamp head (301), and the width of the hollow gap (12) is larger than or equal to the diameter of the connecting rod (101).

8. A puncture needle for a bronchus of a lung segment according to claim 3, wherein: the opposite sides of the left grip (203) and the right grip (303) are respectively provided with a clamping block, and the opposite sides of the two clamping blocks are respectively provided with a plurality of transverse grooves (10).