CN219048635U - A cytopathological puncture needle - Google Patents

Abstract

The utility model discloses a cytopathology puncture needle, which comprises a puncture needle main body, wherein a corrugated pipe is arranged at the upper end of the puncture needle main body, and the cytopathology puncture needle also comprises: the protective outer tube is internally provided with a mounting groove, an ultraviolet sterilization mechanism is embedded and mounted in the mounting groove, and a fixed needle groove is formed in the ultraviolet sterilization mechanism; the positioning adjusting mechanism is respectively provided with a fixed supporting plate and an adjusting handle, the fixed supporting plate is movably connected with the adjusting handle through a first fixed shaft, one end of the adjusting handle is movably connected with a limiting support through a second fixed shaft, one end of the limiting support is provided with a jogged clamping block, and the limiting support is fixedly clamped with a clamping groove arranged on the surface of the corrugated pipe through the jogged clamping block. The utility model can be used for directionally adjusting the length of the puncture needle by arranging the convenient positioning and adjusting device, and can simultaneously store the puncture needle into the ultraviolet sterilization mechanism in the protective outer tube for sterilization treatment.

Description

A cytopathological puncture needle

technical field

The utility model relates to the technical field of puncture needles, in particular to a cytopathological puncture needle.

Background technique

The puncture needle is a medical device for sampling and injecting tissue from various organs such as the kidney, liver, lung, breast, thyroid, prostate, pancreas, testis, uterus, ovary, and body surface during minimally invasive surgery.

The Chinese authorized patent document with the publication number CN210962083U discloses a new type of cytopathological puncture needle, including an outer needle tube, a needle point is arranged at the upper end of the outer needle tube, a sampling hole is arranged inside the needle point, and a sampling hole is arranged inside the sampling hole. An outer cutout, an inner cutout is arranged on one side of the outer cutout, an inner needle is arranged inside the outer needle tube, a scale line is arranged on the surface of the outer needle tube, an outer needle sleeve is arranged at the lower end of the outer needle tube, and the outer needle sleeve The lower end is provided with an inner needle end seat, a screw groove is arranged inside the outer needle sleeve, and a screw shaft is arranged inside the screw groove, the utility model can greatly reduce the failure rate of taking out the cells, and can preserve the cells, Prevent the cells from falling in the middle of pulling out the puncture needle, and will not cause damage to the cell epidermis. Cells can be sampled through the sampling hole on the needle tip, and the storage of samples can be closed by cooperating with the outer incision and the inner incision. The entrance of the groove prevents the removed cells from falling off.

The above-mentioned prior art cannot conveniently adjust the puncture length of the puncture needle, and at the same time cannot technically disinfect and sterilize the puncture needle in time. Therefore, it is necessary to develop a cytopathological puncture needle to solve the above existing problems.

Utility model content

The purpose of this utility model is to provide a cytopathological puncture needle to solve the problem that the prior art proposed in the above background technology cannot conveniently adjust the puncture length of the puncture needle, and at the same time cannot perform timely disinfection and sterilization on the puncture needle The problem.

In order to achieve the above object, the utility model provides the following technical solution: a cytopathological puncture needle, including a puncture needle body, a bellows is arranged on the upper end of the puncture needle body, and the said puncture needle also includes:

The protective outer tube is arranged on the outer surface of the main body of the puncture needle. The protective outer tube is provided with an installation groove inside, and an ultraviolet sterilizing mechanism is embedded in the installation groove, and a fixed needle groove is arranged inside the ultraviolet sterilizing mechanism;

The positioning adjustment mechanism is arranged above the protective outer tube. The positioning adjustment mechanism is respectively provided with a fixed supporting plate and an adjusting handle. The fixed supporting plate and the adjusting handle are movably connected by a first fixed shaft. The second fixed shaft is movably connected to the limit bracket, and one end of the limit bracket is provided with a fitting block, and the limit bracket is clamped and fixed with the slot provided on the surface of the bellows through the fitting block.

Preferably, a first shaft hole is provided at a position corresponding to the adjustment handle and the surface of the fixed support plate, and the first shaft hole is correspondingly connected to the first fixed shaft.

Preferably, a second shaft hole is provided on the surface of the adjustment handle, and the second shaft hole is correspondingly connected with the second fixed shaft.

Preferably, a power switch is provided on the surface of the fixed pallet.

Preferably, the inside of the power switch is connected to the ultraviolet sterilizing mechanism through wires.

Preferably, the fixing bracket is closely attached to and fixed to the surface of the protective outer tube.

Compared with the prior art, the beneficial effects of the utility model are:

(1) One end of the adjustment handle is movably connected to the limit bracket through the second fixed shaft, and one end of the limit bracket is provided with a fitting block, and the limit bracket is fixed by engaging with the slot provided on the surface of the bellows through the fitting block , by clamping and fixing the fitting blocks on the limit bracket with the slots at different positions, the working length of the puncture needle can be quickly adjusted and fixed in a limited position, so as to facilitate the puncture operation of medical staff;

(2) By adjusting the length of the puncture needle, it can be shrunk and stored in the ultraviolet sterilization mechanism inside the protective outer tube for sterilization and disinfection, which can have a good antibacterial effect, ensure the cleanliness of the needle body, and prevent medical infection.

Description of drawings

Fig. 1 is the overall front view of the utility model;

Fig. 2 is the structural representation of the utility model;

Fig. 3 is the schematic diagram of the explosion decomposition structure of the utility model;

Fig. 4 is a side view of the utility model;

Fig. 5 is a schematic diagram of the internal installation structure of the protective outer tube of the present invention.

In the figure: 1. The first fixed shaft; 2. The second fixed shaft; 3. The adjustment handle; 4. The limit bracket; 5. The fitting block; 6. The protective outer tube; Tube; 9, card slot; 10, puncture needle main body; 11, first shaft hole; 12, second shaft hole; 13, power switch; 14, installation slot; 15, ultraviolet sterilizing mechanism; 16, fixed needle slot.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Please refer to Fig. 1-5, an embodiment provided by the utility model: a cytopathological puncture needle, including a puncture needle body 10, a bellows 8 is arranged on the upper end of the puncture needle body 10, and also includes:

The protective outer tube 6 is arranged on the outer surface of the puncture needle main body 10, the inside of the protective outer tube 6 is provided with a mounting groove 14, and the inside of the mounting groove 14 is embedded with an ultraviolet sterilizing mechanism 15, and the inside of the ultraviolet sterilizing mechanism 15 is provided with a fixed Needle groove 16;

The positioning adjustment mechanism is arranged on the top of the protective outer tube 6. The positioning adjustment mechanism is respectively provided with a fixed pallet 7 and an adjustment handle 3. The fixed pallet 7 and the adjustment handle 3 are flexibly connected through the first fixed shaft 1, and the adjustment One end of the handle 3 is movably connected to the limit bracket 4 through the second fixed shaft 2, and one end of the limit bracket 4 is provided with a fitting block 5, and the limit bracket 4 is connected with the stopper provided on the surface of the bellows 8 through the fitting block 5. The slot 9 is fastened and fixed.

Further, a first shaft hole 11 is provided at a corresponding position on the surface of the adjustment handle 3 and the fixed support plate 7 , and the first shaft hole 11 is correspondingly connected with the first fixed shaft 1 .

Further, the surface of the adjusting handle 3 is provided with a second shaft hole 12 , and the second shaft hole 12 is correspondingly connected with the second fixed shaft 2 .

Further, a power switch 13 is provided on the surface of the fixed pallet 7 .

Further, the inside of the power switch 13 is connected with the ultraviolet sterilizing mechanism 15 through wires.

Further, the fixed support plate 7 is closely attached to and fixed to the surface of the protective outer tube 6 .

Working principle: when in use, the upper end of the puncture needle body 10 is provided with a bellows 8, the fixed support plate 7 and the adjustment handle 3 are movably connected through the first fixed shaft 1, and one end of the adjustment handle 3 is movably connected through the second fixed shaft 2 Limiting bracket 4, one end of the limiting bracket 4 is provided with a fitting block 5, the limiting bracket 4 is clamped and fixed with the slot 9 arranged on the surface of the bellows 8 through the fitting block 5, and the limiting bracket 4 The fitting block 5 on the bellows 8 is clamped and fixed with the slots 9 at different positions on the corrugated tube 8, and then the working length of the puncture needle body 10 can be quickly adjusted and fixed in a limited position, so that it is convenient for medical staff to perform puncture operations and protect the outside body. The inside of the tube 6 is provided with an installation groove 14, and the inside of the installation groove 14 is embedded with an ultraviolet sterilizing mechanism 15. The inside of the ultraviolet sterilizing mechanism 15 is provided with a fixed needle groove 16. By adjusting the length of the puncture needle, it can be shrunk and stored outside the protective cover. The ultraviolet sterilizing mechanism 15 inside the tube 6 is sterilized and disinfected, which can have a good antibacterial effect, ensure the cleanliness of the needle body, and prevent medical infection.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. A cytopathological puncture needle, comprising a puncture needle main body (10), the upper end of the puncture needle main body (10) is provided with a bellows (8), is characterized in that, also includes: The protective outer tube (6) is arranged on the outer surface of the puncture needle main body (10), and the inside of the protective outer tube (6) is provided with an installation groove (14), and the inside of the installation groove (14) is embedded with an ultraviolet sterilizing mechanism ( 15), the interior of the ultraviolet sterilizing mechanism (15) is provided with a fixed needle groove (16); The positioning adjustment mechanism is arranged above the protective outer tube (6), and the positioning adjustment mechanism is respectively provided with a fixed pallet (7) and an adjustment handle (3), a fixed pallet (7) and an adjustment handle (3) They are movably connected through the first fixed shaft (1), and one end of the adjustment handle (3) is movably connected to the limit bracket (4) through the second fixed shaft (2), and one end of the limit bracket (4) is provided with a fitting card The block (5) and the limit bracket (4) are clamped and fixed by engaging the clamping block (5) with the slot (9) provided on the surface of the bellows (8). 2. A cytopathological puncture needle according to claim 1, characterized in that: a first shaft hole (11) is provided at the corresponding position on the surface of the adjustment handle (3) and the fixed support plate (7), The first shaft hole (11) is correspondingly connected with the first fixed shaft (1). 3. A cytopathological puncture needle according to claim 1, characterized in that: the surface of the adjustment handle (3) is provided with a second shaft hole (12), and the second shaft hole (12) is connected to the second The fixed shaft (2) is correspondingly connected. 4. A cytopathological puncture needle according to claim 1, characterized in that: a power switch (13) is provided on the surface of the fixing support plate (7). 5 . The cytopathological puncture needle according to claim 4 , characterized in that: the inside of the power switch ( 13 ) is connected to the ultraviolet sterilizing mechanism ( 15 ) through a wire. 6 . A cytopathological puncture needle according to claim 1 , characterized in that: the fixing support plate ( 7 ) is closely attached to and fixed to the surface of the protective outer tube ( 6 ). 7 .

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