CN215739309U

CN215739309U - Puncture trocar for breast operation

Info

Publication number: CN215739309U
Application number: CN202022878729.2U
Authority: CN
Inventors: 高银光
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2022-02-08
Anticipated expiration: 2030-12-03

Abstract

The utility model relates to the technical field of medical instruments, in particular to a puncture trocar for breast surgery, which comprises a puncture assembly, a connecting assembly and a conveying assembly, wherein the connecting assembly is connected with the puncture assembly and the conveying assembly, the puncture assembly comprises a needle tube and a needle core, and the pillow core is arranged in the needle tube. The movable blocking block is arranged at the bottom of the needle drawing tube, the movable blocking block and the bottom of the needle drawing tube are provided with a closed elastic sheet, and the movable blocking block is in sliding clamping connection with the needle drawing tube. In the using process, the thumb holds the butterfly wing, keeps the needle point upward, punctures the breast, observes the blood return in the needle tube, loosens the butterfly wing, withdraws part of the needle core, continues to penetrate the needle tube inwards, fixes the butterfly wing, withdraws the needle core, pulls the needle core sleeve to the top of the needle core, and presses the movable block to close. The utility model better solves the problems that when the breast is anesthetized, the patient needs to be punctured for many times, and the repeated unnecessary injury is caused to the patient due to the possibility of puncturing into the pectoralis major or the thoracic cavity.

Description

Puncture trocar for breast operation

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a puncture trocar for breast surgery.

Background

Many diseases diagnosis and treatment need to puncture patients, and the depth and level of puncture often cannot be grasped due to the experience of operators when ordinary puncture needles are punctured, so that the patients are injured, and the puncture needles are easy to puncture into pectoralis major muscles and even chest cavities.

Chinese patent application No. CN201921221147.8 discloses a trocar puncture needle. The trocar is integrally sleeved on a puncture needle tube and comprises a cannula joint, a cannula steel cap and a cannula tube body, the cannula steel cap is fixedly arranged on the front side of the cannula joint and connected with the cannula tube body, small holes are formed in the cannula tube body, the length of the cannula tube body is 1 mm-2 mm shorter than that of the puncture needle tube, and the inner diameter of the cannula tube body is 0.2 mm-1 mm larger than the outer diameter of the puncture needle tube. The utility model discloses a device can not block when taking out the pjncture needle, reduces repeated puncture, raises the efficiency, reduces the cost.

However, when the breast operation is performed, the patient needs to be punctured for many times, which causes repeated unnecessary injury to the patient.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the puncture trocar for the breast surgery, which is used for solving the problems that repeated unnecessary injuries are caused to a patient due to the fact that the patient needs to be punctured for many times during the breast surgery and the like.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a breast operation is with puncture trocar, includes puncture subassembly, coupling assembling and conveying component, coupling assembling connects puncture subassembly and conveying component, puncture subassembly includes needle tubing and nook closing member, the pillow is arranged in inside the needle tubing.

Furthermore, the puncture assembly further comprises a needle column and a plurality of butterfly wings, the bottom of the needle tube is fixed to the top of the needle column, the needle core penetrates through the needle column, the butterfly wings are symmetrically arranged on two sides of the needle column, and flexible elastic pieces are arranged at one ends, close to the needle column, of the butterfly wings.

Furthermore, the conveying assembly comprises a circulation pipe and a needle drawing pipe, the circulation pipe and the needle drawing pipe form a Y-shaped structure, and a detachable block is arranged at the outlet end of the circulation pipe.

Further, coupling assembling includes the connecting pipe, syringe needle column bottom is arranged in at the connecting pipe top, take out the needle tubing top in at the connecting pipe bottom, the nook closing member runs through connecting pipe and take out the needle tubing.

Further, still include and take out the needle subassembly, it includes drain pan and nook closing member to take out the needle subassembly, it is equipped with annular fixture block to take out needle outside of tubes wall bottom, take out needle pipe and drain pan joint, nook closing member bottom is fixed on the drain pan, nook closing member sleeve pipe and nook closing member swing joint.

Furthermore, the bottom of the needle drawing tube is provided with a movable block, the movable block and the bottom of the needle drawing tube are provided with a closed elastic sheet, and the movable block is in sliding clamping connection with the needle drawing tube.

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

the puncture trocar is provided with a puncture assembly, a connecting assembly and a conveying assembly, the puncture assembly punctures, the connecting assembly connects the conveying assembly and the puncture assembly, and a trocar core can freely move in the needle tube, so that puncture resistance is reduced. The butterfly wings are connected with the needle head column through flexible elastic sheets, the butterfly wings on the two sides can be folded and overlapped during puncturing, and the butterfly wings are rebounded to the original position after puncturing. The runner pipe can be connected with other external pipelines, and the multifunctional performance and the flexible use performance of the sleeve needle are improved. The longer connecting pipe is arranged, so that the direct contact of medical personnel with blood and puncture parts is reduced.

The utility model better solves the problems that repeated unnecessary injury is caused to a patient when the patient needs to be punctured for a plurality of times in the breast surgery, and the like. The utility model has simple structure, convenient operation, stability, reliability and long service life.

Drawings

FIG. 1 is a schematic structural view of a puncture trocar for breast surgery according to the present invention;

FIG. 2 is a schematic structural view of a puncture trocar for breast surgery according to the present invention;

reference numerals in the drawings of the specification include:

a needle tube 1; a needle cylinder 2; a butterfly wing 3; a needle core 4; a connecting pipe 5; a flow pipe 6; a blocking block 7; a bottom case 8; a needle drawing tube 9; a stylet cannula 10; a movable block 11; closing the spring 12.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.

The first embodiment is as follows:

as shown in fig. 1-2, the puncture trocar for breast surgery comprises a puncture assembly, a connecting assembly and a conveying assembly, wherein the connecting assembly is connected with the puncture assembly and the conveying assembly, the puncture assembly comprises a needle tube 1 and a needle core 4, and a pillow core 4 is arranged in the needle tube 1.

This puncture trocar is equipped with puncture assembly, coupling assembling and delivery assembly, puncture assembly punctures, coupling assembling connects and carries delivery assembly and puncture assembly, nook closing member 4 can freely remove in needle tubing 1, reduces the puncture resistance, nook closing member 4 and needle tubing 1 are the metal, nook closing member 4 is sharp head, needle tubing 1 is blunt head, guarantee to carry the patency of anesthetic and other tissues around the injury puncture position.

The puncture assembly further comprises a needle column 2 and a plurality of butterfly wings 3, the bottom of the needle tube 1 is fixed at the top of the needle column 2, a needle core 4 penetrates through the needle column 2, the butterfly wings 3 are symmetrically arranged on two sides of the needle column 2, and flexible elastic pieces are arranged at one ends, close to the needle column 2, of the butterfly wings 3.

The butterfly wings 3 are connected with the needle head column 2 through flexible elastic sheets, the butterfly wings 3 on two sides can be folded and overlapped during puncturing, and the butterfly wings rebound to the original positions after puncturing.

The conveying assembly comprises a circulation pipe 6 and a needle drawing pipe 9, the circulation pipe 6 and the needle drawing pipe 9 form a Y-shaped structure, and a detachable block 7 is arranged at the outlet end of the circulation pipe 6.

The circulating pipe 6 can be connected with other external pipelines, so that the multifunctional and flexible use of the sleeve needle are improved.

The connecting assembly comprises a connecting pipe 5, the top of the connecting pipe 5 is arranged at the bottom of the needle column 2, the bottom of the connecting pipe 5 is arranged at the top of the needle drawing tube 9, and the needle core 4 penetrates through the connecting pipe 5 and the needle drawing tube 9.

The longer connecting pipe 5 is arranged, so that the direct contact of medical personnel with blood and puncture parts is reduced.

Example two:

This puncture trocar is equipped with puncture assembly, coupling assembling and delivery assembly, and puncture assembly punctures, and coupling assembling connects and carries delivery assembly and puncture assembly, and nook closing member 4 can freely remove in needle tubing 1, reduces the puncture resistance, and nook closing member 4 is sharp head, and needle tubing 1 is blunt head, and nook closing member 4 and needle tubing 1 are the metal, guarantees to carry the patency of anesthetic and other organizations around the injury puncture position.

Still including taking out the needle subassembly, take out the needle subassembly and include drain pan 8 and nook closing member sleeve pipe 10, take out needle 9 outer wall bottoms of tubes and be equipped with annular fixture block, take out needle 9 and drain pan 8 joint, nook closing member 4 bottoms are fixed on drain pan 8, nook closing member sleeve pipe 10 and nook closing member 4 swing joint.

The bottom of the needle drawing tube 9 is provided with a movable block 11, the movable block 11 and the bottom of the needle drawing tube 9 are provided with a closed elastic sheet 12, and the movable block 11 is in sliding clamping connection with the needle drawing tube 9.

After the stylet 4 is drawn out, the stylet sleeve 10 is pulled to the top of the stylet 4, the needle head at the top of the stylet 4 is protected, and the infection or accidental injury of medical staff is avoided. The closed elastic sheet 12 is of an annular toothed plate structure inclined inwards, the movable plugging block 11 cannot achieve sealing due to the fact that a through hole is formed in the middle of the movable plugging block, the movable plugging block is pressed inwards, the closed elastic sheet 12 is forced to be closed, and the through hole is closed.

Advantages of the second embodiment over the first embodiment:

the efficiency of puncture at the operation in-process has been improved, has alleviateed the misery of patient when accepting the operation, has improved the protectiveness to medical personnel, reduces the operation risk, and the patient injected the anesthesia before the puncture, has improved the high efficiency of operation.

The using method of the sleeve needle comprises the following steps:

the thumb holds the butterfly wing 3, keeps the needle point upward, observes the blood return in the needle tube 1 to the breast puncture position, loosens the butterfly wing 3, withdraws part of the needle core 4, continues to penetrate the needle tube 1 inwards, fixes the butterfly wing 3, withdraws the needle core 4, pulls the needle core sleeve 10 to the top of the needle core 4, presses the movable block 10 to close, and infuses the anesthetic into the breast of the patient through the circulation tube 6.

In the description of the present invention, it is to be understood that the terms "front end", "rear end", "horizontal", "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to 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.

The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art, and it will be appreciated by those skilled in the art that the present invention has been made available to those skilled in the art after the filing date or priority date, and that the present invention may be implemented by those skilled in the art by applying ordinary skill in the art, without departing from the spirit and scope of the present invention. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. A puncture trocar for breast surgery is characterized in that: the puncture needle comprises a puncture component, a connecting component and a conveying component, wherein the connecting component is connected with the puncture component and the conveying component, the puncture component comprises a needle tube (1) and a needle core (4), and the needle core (4) is arranged in the needle tube (1);

the puncture assembly further comprises a needle column (2) and a plurality of butterfly wings (3), the bottom of the needle tube (1) is fixed to the top of the needle column (2), a needle core (4) penetrates through the needle column (2) and is multiple, the butterfly wings (3) are symmetrically arranged on two sides of the needle column (2), and flexible elastic pieces are arranged at one ends, close to the needle column (2), of the butterfly wings (3).

2. The puncture trocar for breast surgery according to claim 1, wherein: the conveying assembly comprises a circulation pipe (6) and a needle drawing pipe (9), the circulation pipe (6) and the needle drawing pipe (9) form a Y-shaped structure, and a detachable blocking block (7) is arranged at the outlet end of the circulation pipe (6).

3. The puncture trocar for breast surgery according to claim 2, wherein: coupling assembling includes connecting pipe (5), syringe needle post (2) bottom is arranged in at connecting pipe (5) top, take out needle pipe (9) top is arranged in to connecting pipe (5) bottom, nook closing member (4) run through connecting pipe (5) and take out needle pipe (9).

4. A puncture trocar for breast surgery according to claim 3, wherein: still include the needle subassembly of taking out, the needle subassembly of taking out includes drain pan (8) and nook closing member sleeve pipe (10), it is equipped with annular fixture block to take out needle tubing (9) outer wall bottom, take out needle tubing (9) and drain pan (8) joint, nook closing member (4) bottom is fixed on drain pan (8), nook closing member sleeve pipe (10) and nook closing member (4) swing joint.

5. The puncture trocar for breast surgery according to claim 4, wherein: the needle drawing tube (9) is provided with a movable block (11) at the bottom, the movable block (11) and the needle drawing tube (9) are provided with a closed elastic sheet (12) at the bottom, and the movable block (11) is connected with the needle drawing tube (9) in a sliding and clamping manner.