CN220141777U - Thyroid puncture needle with negative pressure device - Google Patents

Abstract

The utility model discloses a thyroid puncture needle with a negative pressure device connected, which relates to the field of medical appliances and comprises a puncture needle tube, wherein rotating shafts are arranged on two sides of the puncture needle tube, a pressing frame is arranged on one side of the rotating shaft, and a positioning rod is fixedly connected with the inner wall of the pressing frame. According to the utility model, the memory elastic sheet and the pushing rod are arranged, the memory elastic sheet plays a role in moving the pushing rod, when the device is used, the memory elastic sheet is arranged to conveniently drive the pushing rod to perform movable suction, the needle tube and the needle head are connected, the activity degree is small, a doctor can finish independent operation, through arranging the clamping block, the rubber block and the connecting rod, the clamping block and the rubber block play a role in clamping and fixing the connecting rod, when the device is used, the negative pressure is conveniently increased according to the requirement, the cell sample quantity can be obviously increased by more than 2 times for thyroid tumor mass which is hard or calcified and difficult to draw materials, and the diagnosis rate of pathology is further improved.

Description

Thyroid puncture needle with negative pressure device

Technical Field

The utility model relates to the field of medical appliances, in particular to a thyroid puncture needle with a negative pressure device.

Background

Thyroid fine needle aspiration biopsy has now been determined to be a very accurate diagnostic method, and is routinely used in the first step of the diagnostic procedure of nodular thyroid diseases, epidemiological studies have shown that nodular thyroid diseases are very common in clinic, and surveys have shown that most of patients diagnose thyroid nodules by fine needle aspiration cell biopsy, thyroid fine needle aspiration is a gold standard for diagnosing thyroid nodule properties, currently thyroid puncture needles are currently commonly without negative pressure devices, which results in less cell sample or no cell leading to sampling failure for relatively hard thyroid nodules, or calcified nodules, after sampling. It is difficult to make cytopathological diagnoses, and thus there is a need for a thyroid puncture needle with a negative pressure device connected.

A prior art publication No. CN217907925U provides a manual rotary thyroid puncture needle comprising: the needle comprises a needle rod and a needle point, wherein a slope surface is arranged on the needle point, and notch parts are arranged on the slope surface at intervals; the needle bar is fixedly arranged in the center of the gear in a penetrating way; the needle bar extends and is fixed in the air cylinder assembly, and a plurality of holes are formed in the needle bar in the air cylinder assembly; the fixing component is fixedly connected to the outer wall of the inflator component and is used for fixing or releasing the gear. The problems that in the prior art, a thyroid puncture needle needs to repeatedly advance and retreat for many times and is assisted by negative pressure to acquire puncture objects, operation of doctors is inconvenient, patients are uncomfortable, and a sampled sample is stained with blood possibly are solved, but when the CN217907925U technology is operated, the common thyroid puncture needle is difficult to obtain hard or calcified nodules and difficult to make pathological diagnosis, in clinical work, the puncture needle is combined with a syringe for negative pressure suction, so that the sample amount is increased, but the syringe and the puncture needle are not combined, the activity is too large, two medical staff are needed to cooperate to finish the operation, and the operation is difficult to accurately position the sample on a tumor, and the thyroid puncture needle with the negative pressure device for connecting is urgently needed.

Disclosure of Invention

Based on the problems that the prior thyroid puncture needle with the negative pressure device is difficult to obtain hard or calcified nodules and difficult to make pathological diagnosis when being used, the puncture needle is combined with a syringe for negative pressure suction in clinical work, so that the sample amount is increased, but the syringe and the puncture needle are not combined, the mobility is too large, the operation can be completed only by cooperation of two medical staff, and the problem that the sample is difficult to accurately position in a tumor for sampling is solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a take thyroid gland pjncture needle of negative pressure device disjunctor, includes the thorn needle tube, the pivot is all installed to the both sides of thorn needle tube, press the frame is installed to one side of pivot, press the inner wall fixedly connected with locating lever of frame, the outer wall fixedly connected with spring of locating lever, press one side laminating of frame to have the rubber pad.

The negative pressure mechanism is arranged in the pricking pin pipe, and one end of the pricking pin pipe is fixedly connected with the needle head.

The utility model discloses a puncture needle tube, including the thorn needle tube, the thorn needle tube is provided with the negative pressure pipe, the connecting rod is installed to the inner wall of negative pressure pipe, the fixture block is installed to the one end of connecting rod, the rubber piece is installed to one side of fixture block.

Preferably, the negative pressure mechanism comprises a memory elastic sheet, a pushing rod and a rubber ring, wherein the memory elastic sheet is arranged at one end of the pressing frame, the pushing rod is welded at one side of the memory elastic sheet, and the rubber ring is arranged at one end of the pushing rod.

Preferably, the pressing frame and the pricking pin pipe form a rotating structure through a rotating shaft, and the pressing frame is symmetrically arranged with the central axis of the pricking pin pipe.

Preferably, the positioning rod is in threaded connection with the spring, and the inner wall of the spring is of an open-pore design.

Preferably, the outer wall of the rubber pad is tightly attached to the outer wall of the pressing frame, and the length of the outer wall of the rubber pad is smaller than that of the outer wall of the pressing frame.

Preferably, the connecting rod is connected with the rubber block through the clamping block in a clamping way, and the inner wall of the connecting rod is of an open-pore design.

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

1. according to the utility model, the memory elastic sheet and the pushing rod are arranged, the memory elastic sheet plays a role in moving the pushing rod, when the device is used, the memory elastic sheet is arranged to drive the pushing rod to perform movable suction, the needle tube and the needle head are combined, the activity is small, and a doctor can independently operate the device;

2. according to the utility model, the clamping block, the rubber block and the connecting rod are arranged to clamp and fix the connecting rod, so that when the device is used, the negative pressure can be conveniently increased according to the requirement, the cell sample quantity can be obviously increased by more than 2 times for thyroid tumor mass which is hard or calcified and difficult to draw materials, and the diagnosis rate of pathology is further improved.

Drawings

FIG. 1 is a front cross-sectional view of the present utility model;

FIG. 2 is a schematic diagram of the negative pressure mechanism of the present utility model;

fig. 3 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

In the figure: 1. a needle tube; 2. a rotating shaft; 3. a pressing frame; 4. a positioning rod; 5. a spring; 6. a rubber pad; 7. a negative pressure mechanism; 701. a memory spring sheet; 702. a push rod; 703. a rubber ring; 8. a needle; 9. a negative pressure pipe; 10. a connecting rod; 11. a clamping block; 12. rubber blocks.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

Referring to fig. 1-3, a thyroid puncture needle with a negative pressure device connected body comprises a puncture tube 1, wherein rotating shafts 2 are arranged on two sides of the puncture tube 1, a pressing frame 3 is arranged on one side of the rotating shafts 2, the pressing frame 3 and the puncture tube 1 form a rotating structure through the rotating shafts 2, the pressing frame 3 is symmetrically arranged by using the central axis of the puncture tube 1, a positioning rod 4 is fixedly connected with the inner wall of the pressing frame 3, a spring 5 is fixedly connected with the outer wall of the positioning rod 4, the positioning rod 4 is in threaded connection with the spring 5, the inner wall of the spring 5 is in an open-pore design, a rubber pad 6 is attached to one side of the pressing frame 3, the outer wall of the rubber pad 6 is tightly attached to the outer wall of the pressing frame 3, and the length of the outer wall of the rubber pad 6 is smaller than that of the outer wall of the pressing frame 3.

Referring to fig. 1-3, a thyroid puncture needle with a negative pressure device is disclosed, a negative pressure mechanism 7 is installed in a puncture tube 1, the negative pressure mechanism 7 comprises a memory spring 701, a push rod 702 and a rubber ring 703, the memory spring 701 is installed at one end of a pressing frame 3, the push rod 702 is welded at one side of the memory spring 701, the rubber ring 703 is arranged at one end of the push rod 702, a needle 8 is fixedly connected at one end of the puncture tube 1, the push rod 702 is movably acted by the memory spring 701, when the device is used, the push rod 702 is conveniently driven to perform movable suction by the arrangement of the memory spring 701, the puncture tube 1 is connected with the needle 8, the activity is small, and a doctor can perform independent operation by one person.

Referring to fig. 1-3, a thyroid puncture needle with a negative pressure device is disclosed, a negative pressure tube 9 is arranged on one side of a puncture tube 1, a connecting rod 10 is installed on the inner wall of the negative pressure tube 9, a clamping block 11 is installed at one end of the connecting rod 10, the connecting rod 10 is clamped and connected with a rubber block 12 through the clamping block 11, the inner wall of the connecting rod 10 is of an open-pore design, the rubber block 12 is installed on one side of the clamping block 11, the clamping block 11 and the rubber block 12 are arranged to fix the connecting rod 10 in a clamping manner, when the device is used, the negative pressure is conveniently increased according to requirements, and the cell sample quantity can be obviously increased by more than 2 times for thyroid tumor mass hard or calcified which is difficult to draw materials, so that the diagnosis rate of pathology is further improved.

Working principle: during the use, take out the device, carry out the screw thread with needle tube 1 again and fix needle 8, carry out the local anesthesia with the patient again, press down frame 3 with needle tube 1 and pivot 2, extrude memory shell fragment 701, promote the push rod 702 with memory shell fragment 701, form negative pressure with inside needle tube 1, insert inside the thyroid tumor with needle 8, rebound pressing frame 3 with spring 5 again, extract the cell sample, finally, draw connecting rod 10 to negative pressure pipe 9 as required, absorb the cell sample again, increase more than 2 times cell sample volume, further improve the diagnostic rate of pathology, so the use of device has been accomplished, the content that does not make detailed description in this specification belongs to the prior art that the expert of the field knows.

The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present utility model.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a take thyroid gland pjncture needle of negative pressure device disjunctor, includes thorn needle tubing (1), its characterized in that: the two sides of the pricking pin pipe (1) are provided with rotating shafts (2), one side of each rotating shaft (2) is provided with a pressing frame (3), the inner wall of each pressing frame (3) is fixedly connected with a positioning rod (4), the outer wall of each positioning rod (4) is fixedly connected with a spring (5), and one side of each pressing frame (3) is attached with a rubber pad (6);

a negative pressure mechanism (7) is arranged in the pricking pin pipe (1), and one end of the pricking pin pipe (1) is fixedly connected with a needle head (8);

one side of the pricking pin pipe (1) is provided with a negative pressure pipe (9), a connecting rod (10) is installed on the inner wall of the negative pressure pipe (9), a clamping block (11) is installed at one end of the connecting rod (10), and a rubber block (12) is installed on one side of the clamping block (11).

2. The thyropuncture needle with negative pressure device connected as set forth in claim 1, wherein: negative pressure mechanism (7) are including memory shell fragment (701), catch bar (702) and rubber circle (703), memory shell fragment (701) are installed in the one end of pressing frame (3), one side welding of memory shell fragment (701) has catch bar (702), the one end of catch bar (702) is provided with rubber circle (703).

3. The thyropuncture needle with negative pressure device connected as set forth in claim 1, wherein: the pressing frame (3) and the pricking pin tube (1) form a rotating structure through the rotating shaft (2), and the pressing frame (3) is symmetrically arranged by the central axis of the pricking pin tube (1).

4. The thyropuncture needle with negative pressure device connected as set forth in claim 1, wherein: the positioning rod (4) is in threaded connection with the spring (5), and the inner wall of the spring (5) is of an open-pore design.

5. The thyropuncture needle with negative pressure device connected as set forth in claim 1, wherein: the outer wall of the rubber pad (6) is tightly attached to the outer wall of the pressing frame (3), and the length of the outer wall of the rubber pad (6) is smaller than that of the outer wall of the pressing frame (3).

6. The thyropuncture needle with negative pressure device connected as set forth in claim 1, wherein: the connecting rod (10) is connected with the rubber block (12) in a clamping way through the clamping block (11), and the inner wall of the connecting rod (10) is of an open-pore design.