CN219878232U

CN219878232U - Thyroid puncture needle

Info

Publication number: CN219878232U
Application number: CN202320547160.2U
Authority: CN
Inventors: 杨小洁; 桑妙玉; 王志慧
Original assignee: Third People's Hospital Of Datong
Current assignee: Third People's Hospital Of Datong
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-10-24
Anticipated expiration: 2033-03-20

Abstract

The utility model discloses a thyroid puncture needle, wherein a suction tube is connected with a needle head through a connecting tube, a first L-shaped chute is arranged on the connecting tube between the connecting tube and a suction tube contact surface, a first sliding block is arranged on the suction tube between the connecting tube and the suction tube contact surface, the first sliding block can be arranged in the first L-shaped chute, the side part of the suction tube close to one end of the connecting tube is communicated with a negative pressure joint, a sealing plug is arranged on a negative pressure joint cover, a piston is arranged in the suction tube in a sleeved mode on a threaded rod, the threaded rod extends out of a suction tube cavity, the end part of the suction tube far from one end of the connecting tube is rotationally connected with a rotating body, the center of the rotating body is provided with a threaded hole, the rotating body is connected onto the threaded rod through the threaded hole, a first guide groove is arranged on the side part of the threaded rod, the first guide groove extends along the axis direction of the threaded rod, a first guide rod is fixedly arranged on one end of the inner side part of the suction tube cavity close to the rotating body, the first guide rod is arranged in the first guide groove, and a control valve is arranged on the connecting tube. The utility model has the advantages that: the device is convenient and quick, improves the working efficiency and reduces the pain of patients.

Description

Thyroid puncture needle

Technical Field

The utility model belongs to the technical field of medical appliances, and particularly relates to a thyroid puncture needle.

Background

Thyroid nodule refers to a lump in the thyroid gland, which can move up and down along with the thyroid gland along with swallowing action, is a clinically common disorder and can be caused by various causes. There are a variety of thyroid diseases in the clinic, such as thyrodegeneration, inflammation, autoimmunity, and neoplasms, which can manifest themselves as nodules. Thyroid nodules can be single-shot or multiple-shot, and the incidence rate of multiple nodules is higher than that of single-shot nodules, but the incidence rate of single-shot nodular thyroid cancer is higher. Thyroid fine needle aspiration biopsy has now been identified as one of the highly accurate diagnostic methods, routinely used in diagnostic procedures for nodular thyroid disease; at present, when thyroid puncture is carried out, the existing syringe is generally used, after negative pressure is formed in the syringe, the needle of the syringe is penetrated into a position needing aspiration biopsy, and then tissue cells are extracted; however, after the negative pressure is extracted, when the cell tissues are required to be discharged, the needle head is required to be pulled out of the injector, the negative pressure is discharged, and then the needle head is installed on the injector, so that the steps are complicated; in addition, in the process of sucking tissue cells, after the negative pressure formed in the syringe disappears, the suction failure can be caused, the suction is needed again, the working efficiency is reduced, and pain can be brought to a patient. Therefore, it is particularly important to solve the above-mentioned problems.

Disclosure of Invention

The thyroid puncture needle overcomes the defects of the prior art, is convenient and quick, improves the working efficiency and reduces the pain of patients.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a thyroid gland pjncture needle, including suction tube and syringe needle, the suction tube passes through the connecting pipe with the syringe needle and is connected, the syringe needle cup joints on the connecting pipe, the connecting pipe cup joints and connects on the suction tube, be equipped with first L type spout on the connecting pipe between connecting pipe and the suction tube contact surface, be equipped with first slider on the suction tube between connecting pipe and the suction tube contact surface, first slider can be arranged in first L type spout, connecting pipe and suction tube junction all are equipped with O type sealing washer, suction tube lateral part intercommunication negative pressure joint near connecting pipe one end, the negative pressure joint lid is equipped with the sealing plug, the suction tube embeds the piston, the piston sleeve is established on the threaded rod, the threaded rod extends and arranges in the suction tube chamber outside, the suction tube tip rotation connection rotator of keeping away from connecting pipe one end, rotator center is equipped with the screw hole, the rotator passes through the screw hole and connects on the threaded rod, the threaded rod lateral part is equipped with first guide way, first guide way along threaded rod axis direction extends, be close to on rotator one end in the suction tube inboard, first guide way, be equipped with the control valve on the connecting pipe.

Further, the control valve is including sealed case, the valve rod, the disk seat, valve cap and return spring, the appearance chamber upper and lower both sides of connecting pipe are equipped with the case and hold the chamber with the case and be linked together, the case holds the intracavity and holds sealed case, sealed case can hold the intracavity and reciprocate and hold the chamber that just runs through the connecting pipe in the case, be equipped with the valve opening on the sealed case, sealed case top is equipped with the valve rod, valve rod tip fixed connection valve cap, the cover is equipped with the disk seat on the valve rod, the disk seat cross-section is U type, the cover is equipped with return spring on the valve rod between valve cap and the disk seat bottom, the valve cap can extend and arrange in the disk seat, be equipped with the second guide way on the valve cap between valve cap and the disk seat contact surface, be equipped with the second L type spout on the connecting pipe between disk seat and the connecting pipe contact surface, be equipped with the second slider on the disk seat between disk seat and the connecting pipe contact surface, the second slider can be arranged in the second L type spout.

Compared with the prior art, the utility model has the advantages that: tissue cells in the needle head are required to be discharged, the needle head is not required to be pulled out from the connecting pipe, and convenience and rapidness are realized; in the operation process, after the negative pressure in the suction tube is used up, the rotating body can be rotated again to drive the piston to enable the suction tube to form negative pressure, or the sealing plug is taken down from the negative pressure connector, the negative pressure connector is connected with the negative pressure device, tissue cells are extracted through the negative pressure device, and the working efficiency can be improved.

Drawings

FIG. 1 is a schematic front cross-sectional view of a thyroid puncture needle according to an embodiment of the present utility model.

Fig. 2 is an enlarged view of the structure of the thyroid puncture needle of fig. 1 in the direction a.

In the drawings, 1, a suction tube, 2, a needle, 3, a connecting tube, 4, a first L-shaped sliding groove, 5, a first sliding block, 6.O, a sealing ring, 7, a negative pressure joint, 8, a sealing plug, 9, a piston, 10, a threaded rod, 11, a rotator, 12, a threaded hole, 13, a first guide groove, 14, a first guide rod, 15, a sealing valve core, 16, a valve rod, 17, a valve seat, 18, a valve cap, 19, a return spring, 20, a valve core accommodating cavity, 21, a valve hole, 22, a second guide groove, 23, a second guide rod, 24, a second L-shaped sliding groove and 25.

Detailed Description

The following examples are intended to further illustrate the present utility model but are not to be construed as limiting its scope, as many insubstantial modifications and adaptations of the utility model that would be within the scope of the utility model are within the scope of the utility model as would be apparent to one skilled in the art in light of the disclosure herein.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

A thyroid puncture needle, comprising a suction tube 1 and a needle head 2, which is characterized in that: the suction tube 1 is connected with the needle head 2 through the connecting tube 3, the needle head 2 is connected on the connecting tube 3 in a sleeved mode, the connecting tube 3 is connected on the suction tube 1 in a sleeved mode, a first L-shaped sliding groove 4 is formed in the connecting tube 3 between the connecting tube 3 and the contact surface of the suction tube 1, a first sliding block 5 is arranged on the suction tube 1 between the connecting tube 3 and the contact surface of the suction tube 1, the first sliding block 5 can be arranged in the first L-shaped sliding groove 4, O-shaped sealing rings 6 are arranged at the connecting positions of the connecting tube 3 and the suction tube 1, the side portion of the suction tube 1 close to one end of the connecting tube 3 is communicated with the negative pressure joint 7, a sealing plug 8 is arranged on the negative pressure joint 7 cover, a piston 9 is arranged in the suction tube 1 in a sleeved mode, the threaded rod 10 is arranged outside a suction tube 1 cavity in an extending mode, the end portion of the suction tube 1 far away from one end of the connecting tube 3 is connected with the rotating body 11, the rotating body 11 is provided with a threaded hole 12 in the center of the rotating body 11, the rotating body 11 is connected on the threaded rod 10 through the threaded hole 12, a first guide groove 13 is arranged on the side portion of the threaded rod 10, the first guide groove 13 extends along the axis direction of the threaded rod 10, one end is fixedly arranged at one end of the inner side of the rotating body 11, which is close to the rotating body 1, and is provided with a control valve.

Further, the control valve includes sealed case 15, valve rod 16, disk seat 17, valve cap 18 and return spring 19, the appearance chamber upper and lower both sides of connecting pipe 3 are equipped with case appearance chamber 20 and are linked together with case appearance chamber 20, case appearance chamber 20 embeds sealed case 15, sealed case 15 can reciprocate in case appearance chamber 20 and run through the appearance chamber of connecting pipe 3, be equipped with valve opening 21 on sealed case 15, sealed case 15 top is equipped with valve rod 16, valve rod 16 tip fixed connection valve cap 18, the cover is equipped with disk seat 17 on the valve rod 16, the disk seat 17 section is U type form, the cover is equipped with return spring 19 on valve rod 16 between valve cap 18 and the disk seat 17 bottom, the valve cap 18 can extend to be arranged in disk seat 17, be equipped with second guide way 22 on the valve cap 18 between valve cap 17 contact surface of valve cap 18 and disk seat 17, second guide way 23 is arranged in second guide way 22 on the valve cap 18 between valve seat 17 contact surface, be equipped with second L type spout 24 on the connecting pipe 3 between valve seat 17 and the contact surface of 3, be equipped with second slider 25 on the valve seat 17 between valve seat 17 and the contact surface of 3 can be arranged in second L type spout 24.

During operation, firstly, the needle head 2, the connecting pipe 3 and the suction pipe 1 are sequentially connected together through ultrasonic positioning, then the rotating body 11 is rotated, the rotating body 11 can drive the threaded rod 10, the threaded rod 10 pulls the piston 9 to move in the suction pipe 1 and close to the direction of the rotating body 11, negative pressure is formed in the suction pipe 1, the rotating body 11 can prevent the piston 9 from retracting, then the needle head 2 pierces into a position where tissue cells need to be extracted, after the position is determined, a finger presses the valve cap 18, the valve cap 18 pushes the valve rod 16, the valve rod 16 pushes the sealing valve core 15 to move in the valve core accommodating cavity 20, so that a valve hole 21 on the sealing valve core 15 is arranged in the accommodating cavity of the connecting pipe 3, at the moment, the needle head 2 is communicated with the suction pipe 1 through the valve hole 21, under the action of the negative pressure, after a proper amount of tissue cells are extracted, the valve cap 18 is released, the sealing valve core 15 returns under the action of the return spring 19, the valve hole 21 is removed from the accommodating cavity of the connecting pipe 3, thereby the needle head 2 is not communicated with the suction pipe 1, the tissue cells are stopped, and the tissue cells of the thyroid nodule are extracted, and the tissue cells of the thyroid gland are completed; during detection, tissue cells in the needle head 2 need to be discharged, firstly, the sealing plug 8 on the negative pressure joint 7 is opened, the rotating body 11 is rotated, the rotating body 11 can drive the threaded rod 10, the threaded rod 10 pulls the piston 9 to move in the suction tube 1 and close to the direction of the rotating body 11, the sealing plug 8 is covered on the negative pressure joint 7 after the piston 9 moves to a position close to the rotating body 11, negative pressure cannot be formed in the suction tube 1 because the sealing plug 8 is opened, at the moment, a finger presses the valve cap 18, the valve cap 18 pushes the valve rod 16, the valve rod 16 pushes the sealing valve core 15 to move in the valve core accommodating cavity 20, so that the valve hole 21 on the sealing valve core 15 is arranged in the accommodating cavity of the connecting tube 3, the needle head 2 is communicated with the suction tube 1 through the valve hole 21, meanwhile, the rotating body 11 can drive the threaded rod 10, the threaded rod 10 pushes the piston 9 to move in the direction of the connecting tube 3, and the tissue cells can be discharged from the needle head 2 under the action of gas in the suction tube 1, and detection is performed; in the operation process, after the negative pressure in the suction tube 1 is used up, the valve cap 18 is loosened at the moment, the sealing valve core 15 returns under the action of the return spring 19, the valve hole 21 moves out of the containing cavity of the connecting tube 3, so that the needle head 2 is not communicated with the suction tube 1, the extraction of tissue cells is stopped, then the rotator 11 is rotated, the rotator 11 can drive the threaded rod 10, the threaded rod 10 pulls the piston 9 to move in the suction tube 1 and draw close to the rotator 11, the suction tube 1 is subjected to negative pressure again, or the sealing plug 8 is taken down from the negative pressure connector 7, the negative pressure connector 7 is connected with a negative pressure device, the tissue cells are extracted through the negative pressure device, and the working efficiency can be improved.

Claims

1. A thyroid puncture needle, comprising a suction tube (1) and a needle head (2), characterized in that: the suction tube (1) is connected with the needle (2) through a connecting tube (3), the needle (2) is connected with the connecting tube (3) in a sleeved mode, the connecting tube (3) is connected with the suction tube (1) in a sleeved mode, a first L-shaped sliding groove (4) is formed in the connecting tube (3) between the contact surfaces of the connecting tube (3) and the suction tube (1), a first sliding block (5) is arranged on the suction tube (1) between the contact surfaces of the connecting tube (3) and the suction tube (1), the first sliding block (5) can be arranged in the first L-shaped sliding groove (4), an O-shaped sealing ring (6) is arranged at the joint of the connecting tube (3) and the suction tube (1), a negative pressure joint (7) is communicated with the side portion of the suction tube (1) close to one end of the connecting tube (3), a sealing plug (8) is arranged on the cover of the negative pressure joint (7), a built-in piston (9) is sleeved on a threaded rod (10), the suction tube (10) is arranged in a position away from the threaded rod (1), one end of the suction tube (1) extends away from the rotating center (11), the rotary body (11) is connected to the threaded rod (10) through the threaded hole (12), a first guide groove (13) is formed in the side portion of the threaded rod (10), the first guide groove (13) extends along the axis direction of the threaded rod (10), a first guide rod (14) is fixedly arranged on one end, close to the rotary body (11), of the inner side portion of the cavity of the suction tube (1), the first guide rod (14) is arranged in the first guide groove (13), and a control valve is arranged on the connecting tube (3).

2. A thyroid puncture needle according to claim 1, characterized in that: the control valve comprises a sealing valve core (15), a valve rod (16), a valve seat (17), a valve cap (18) and a return spring (19), wherein a valve core containing cavity (20) is formed in the upper side and the lower side of a containing cavity of the connecting pipe (3) and is communicated with the valve core containing cavity (20), the sealing valve core (15) is arranged in the valve core containing cavity (20) and can move up and down and penetrate through the containing cavity of the connecting pipe (3), a valve hole (21) is formed in the sealing valve core (15), the top of the sealing valve core (15) is provided with the valve rod (16), the end part of the valve rod (16) is fixedly connected with the valve cap (18), the valve rod (16) is sleeved with the valve seat (17), the section of the valve seat (17) is U-shaped, the return spring (19) is sleeved on the valve rod (16) between the valve cap (18) and the bottom of the valve seat (17), the valve cap (18) can extend into the valve seat (17), the valve cap (18) is provided with a guide groove (22) between the valve seat (17) and the second valve seat (17), the second guide rod (23) is arranged in the second guide groove (22), a second L-shaped chute (24) is formed in the connecting pipe (3) between the contact surface of the valve seat (17) and the connecting pipe (3), a second sliding block (25) is arranged on the valve seat (17) between the contact surface of the valve seat (17) and the contact surface of the connecting pipe (3), and the second sliding block (25) can be arranged in the second L-shaped chute (24).