CN217907925U

CN217907925U - Manual rotation type thyroid puncture needle

Info

Publication number: CN217907925U
Application number: CN202220344515.3U
Authority: CN
Inventors: 吴松; 杨焕程; 雷崎方; 王书鹏; 林嘉珊
Original assignee: Shenzhen Following Precision Medicine Research Institute Technical Director
Current assignee: Shenzhen Following Precision Medicine Research Institute Technical Director
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-11-29
Anticipated expiration: 2032-02-18

Abstract

The utility model discloses a manual rotation type thyroid gland pjncture needle, include: the needle body comprises a needle bar and a needle point, the needle point is provided with a slope surface, and the slope surface is provided with gap parts at intervals; the needle rod is fixedly arranged in the center of the gear in a penetrating manner; the needle rod extends and is fixed in the air cylinder assembly, and a plurality of holes are formed in the needle rod in the air cylinder assembly; the fixing component is fixedly connected to the outer wall of the air cylinder component and used for fixing or releasing the gear. The problems that a thyroid puncture needle needs to repeatedly advance and retreat for many times and can obtain a puncture object with assistance of negative pressure in the prior art, a doctor is inconvenient to operate, a patient is uncomfortable, and an extracted sample is contaminated by blood are solved.

Description

Manual rotation type thyroid puncture needle

Technical Field

The utility model relates to the technical field of medical equipment, what especially relate to is a manual rotation type thyroid gland pjncture needle.

Background

Clinically, thyroid nodules are common with a chance finding rate of 19% to 68%. When the thyroid gland has a knot, the thyroid gland is often required to be subjected to puncture biopsy by using a puncture needle under the guidance of ultrasound. Thyroid biopsy is currently generally classified into Fine Needle Aspiration Biopsy (FNAB) and coarse needle aspiration biopsy (CNB). Because the fine needle aspiration biopsy has small damage to tissues, less bleeding, safety, rapidness and less infection chance, the application of the fine needle aspiration biopsy to cytological diagnosis has higher sensitivity and specificity, and the fine needle aspiration biopsy is widely applied clinically.

In the prior art, external aspiration biopsy (FNAB) usually adopts a direct hand-held syringe to enable a puncture needle to enter a tumor through the skin, repeatedly advance and retreat in the tumor for many times, and is assisted with negative pressure suction to obtain puncture objects for cytological analysis. However, when the patient's nodule is small, poorly bounded or located near an anatomical structure (e.g., great vessels, trachea and esophagus), moving around while viewing the tip of the needle and applying negative pressure may be challenging, where poor patient fit, such as coughing, swallowing, speaking or making an inappropriate mandibular movement, may obscure the visibility of the tip to a large extent, and more importantly, bleeding within the nodule due to repeated reciprocation and vigorous aspiration may also contaminate the sample with blood, which may not be an effective and safe way to collect the sample.

Accordingly, the prior art is yet to be improved and developed.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned prior art not enough, the utility model aims at providing a manual rotation type thyroid gland pjncture needle aims at solving among the prior art thyroid gland pjncture needle and need advance and retreat repeatedly many times to assist and acquire the puncture thing with the negative pressure, the doctor that probably leads to operates inconvenience, patient discomfort and the sample of extraction is infected with the problem of blood.

The technical scheme of the utility model as follows: a manual rotary thyroid puncturing needle comprising:

the needle body comprises a needle bar and a needle point, wherein a slope surface is arranged on the needle point, and gap parts are arranged on the slope surface at intervals;

the needle rod is fixedly arranged in the center of the gear in a penetrating manner;

the gas cylinder assembly is arranged on one side of the gear, which is far away from the needle point, the needle rod extends and is fixed in the gas cylinder assembly, and a plurality of holes are formed in the needle rod in the gas cylinder assembly;

and the fixing component is fixedly connected to the outer wall of the air cylinder component and is used for fixing or releasing the gear.

Further, the fixing assembly includes:

the fixing piece is fixedly arranged on the outer wall of one side, facing the gear, of the air cylinder assembly;

the bolt piece is arranged in the fixing piece in a penetrating mode and used for clamping the gear.

Further, the fixing piece comprises a fixing block, a fixing groove is formed in one end, away from the gear, of the fixing block, a fixing hole is formed in the bottom of the fixing groove, and the fixing hole penetrates through the fixing block;

the bolt piece comprises a bolt body and a stop block, the bolt body is arranged in the fixing hole, the stop block is arranged in the fixing groove, and the bolt body is connected to the stop block.

Further, the gas cylinder assembly comprises a cylinder member and a piston member, wherein one end of the piston member is sleeved in the cylinder member.

Further, the barrel member includes:

a housing having an internal cavity therein;

the first cover plate is arranged at one end, deviating from the gear, of the shell and seals the inner cavity, a first round hole is formed in the center of the first cover plate, and the piston piece is movably arranged in the first round hole.

Further, the piston member includes:

a piston plate disposed within the internal cavity;

the sliding column penetrates through the first round hole and is connected with the piston plate;

the second cover plate is arranged at one end, facing away from the piston plate, of the sliding column and is connected to the sliding column.

Further, the center of the sliding column is provided with a first circular groove, and the first circular groove is used for fixing the needle rod.

Further, a first cylindrical block is further arranged at the center between the air cylinder assembly and the gear.

Further, the notch part is wave-shaped or zigzag;

the slope surface is arc-shaped or linear.

Furthermore, metal titanium is arranged on the needle point.

The beneficial effect of this scheme: the utility model provides a manual rotary thyroid puncture needle, which comprises a needle rod and a needle point, wherein the needle body is provided with a slope surface, and the slope surface is provided with gap parts at intervals; the needle rod is fixedly arranged in the center of the gear in a penetrating mode, the air cylinder assembly is arranged on one side, away from the needle point, of the gear, the needle rod extends and is fixed in the air cylinder assembly, and a plurality of holes are formed in the needle rod in the air cylinder assembly; the fixing assembly is fixedly connected to the outer wall of the inflator assembly and used for fixing or releasing the gear. The integrated manner of puncturing and negative pressure sucking rotary cut tissue cells not only improves the operation flexibility of doctors and is convenient to carry, but also increases the channel area of thyroid cells entering the needle body, so that one-time sampling is successful, repeated advance and retreat operations are avoided, more thyroid cells can be obtained on the premise of preventing excessive bleeding, the problem that the extracted sample is infected with blood is avoided, and the satisfaction rate of tissue sampling is improved. The problems that a thyroid puncture needle needs to repeatedly advance and retreat for many times and is assisted with negative pressure to obtain a puncture object in the prior art, so that a doctor is inconvenient to operate, a patient is uncomfortable, and an extracted sample is contaminated by blood are solved.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a manual rotary thyroid puncture needle of the present invention;

FIG. 2 is a cross-sectional view of an embodiment of a manual rotary thyroid puncturing needle of the present invention;

fig. 3 is a schematic structural diagram of a fixing component of an embodiment of the manual rotation type thyroid puncture needle of the present invention.

The reference numbers in the figures: 100. a needle body; 110. a needle bar; 111. an aperture; 120. a needle tip; 121. a slope surface; 122. a notch portion; 200. a gear; 300. an air cylinder assembly; 310. a barrel member; 311. a housing; 312. an inner cavity; 313. a first cover plate; 314. a first circular hole; 320. a piston member; 321. a piston plate; 322. a sliding post; 323. a first circular groove; 324. a second cover plate; 400. a fixing assembly; 410. a fixing member; 411. a fixed block; 412. fixing grooves; 413. a fixing hole; 420. a latch member; 421. a plug body; 422. a stopper; 500. a first cylindrical block.

Detailed Description

The utility model provides a manual rotation type thyroid gland pjncture needle, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right with the embodiment that refers to the attached drawing below the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The first embodiment is as follows:

as shown in fig. 1 and fig. 2, the utility model provides a manual rotary thyroid gland puncture needle, which faces inward in the central direction of the manual rotary thyroid gland puncture needle and faces outward in the central direction of the manual rotary thyroid gland puncture needle. The manual rotation type thyroid pjncture needle includes: the needle body 100 comprises a needle bar 110 and a needle point 120, the needle point 120 is provided with a slope surface 121, and the slope surface 121 is provided with gap parts 122 at intervals; the needle bar 110 is fixedly arranged at the center of the gear 200 in a penetrating way; the gas cylinder assembly 300 is arranged on the side of the gear 200 facing away from the needle tip 120, the needle rod 110 extends and is fixed in the gas cylinder assembly 300, and a plurality of holes 111 are arranged on the needle rod 110 in the gas cylinder assembly 300; the fixing assembly 400 is fixedly coupled to the outer wall of the cylinder assembly 300, and the fixing assembly 400 is used to fix or release the gear 200.

It can be understood that when the needle needs to be inserted into the body of the patient, the gas cylinder assembly 300 is firstly pulled out a little space in the direction away from the needle point 120 to ensure that a certain amount of gas is in the gas cylinder assembly 300, and then the fixing part is used to fix the relative position of the gear 200 and the gas cylinder assembly 300 and also fix the needle body 100 penetrating through the gear 200 and the inside of the gas cylinder assembly 300; when rotary cutting is needed, the fixing part is manually opened, the fixed connection between the gear 200 and the air cylinder assembly 300 is released, the gear 200 is rotated to drive the needle point 120 to rotate, so that rotary-cut sample tissues at the position of the needle point 120 enter the needle rod 110 adjacent to the needle point 120, then the needle is withdrawn in the body of a patient, after the needle withdrawal is finished, the air cylinder assembly 300 is pushed, and the sample tissues in the needle rod 110 are pushed onto a sample bearing cell tissues through the air pressure of the holes 111 in the needle rod 110 in the air cylinder assembly 300. In addition, the gap portions 122 arranged on the slope surface 121 of the needle tip 120 at intervals increase the channel area of thyroid cells entering the needle body 100, so that one-time sampling is successful, repeated forward and backward operations are avoided, more thyroid cells can be obtained on the premise of preventing excessive bleeding amount, the problem that the extracted sample is infected with blood is avoided, and the satisfaction rate of tissue sampling is improved.

In the above scheme, the needle body 100 includes a needle bar 110 and a needle tip 120, the needle tip 120 is provided with a slope surface 121, and the slope surface 121 is provided with gap portions 122 at intervals; the needle rod 110 is fixedly arranged in the center of the gear 200, the gas cylinder assembly 300 is arranged on one side of the gear 200, which is far away from the needle point 120, the needle rod 110 extends and is fixed in the gas cylinder assembly 300, and the needle rod 110 in the gas cylinder assembly 300 is provided with a plurality of holes 111; the fixing assembly 400 is provided to be fixedly coupled to the outer wall of the cylinder assembly 300, and the fixing assembly 400 is used to fix or release the gear 200. The integrated manner of puncturing and negative pressure sucking rotary-cut tissue cells not only improves the operation flexibility of doctors and facilitates manual operation, but also increases the channel area of thyroid cells entering the needle body 100, so that one-time sampling is successful, repeated advance and retreat operation is avoided, more thyroid cells can be obtained on the premise of preventing excessive bleeding amount, the problem that the extracted sample is infected with blood is avoided, and the satisfaction rate of tissue material taking is improved. The problems that a thyroid puncture needle needs to repeatedly advance and retreat for many times and a puncture object can be obtained by assisting negative pressure in the prior art, so that a doctor is inconvenient to operate, a patient is uncomfortable, and an extracted sample is contaminated by blood are solved.

As shown in fig. 3, in the specific structure of the present embodiment, the fixing portion includes: a mount 410 and a latch member 420. The fixing member 410 is fixedly disposed on an outer wall of the cylinder assembly 300 facing one side of the gear 200, and the latch member 420 is inserted into the fixing member 410 and is used for clamping the gear 200.

It can be understood that the fixing member 410 is fixed on the outer wall of the gear 200, and the latch member 420 is inserted into the fixing member 410 and passes through the fixing member 410 to latch the gear 200, thereby fixing the gear 200 and ensuring a stable relative position between the gear 200 and the cylinder assembly 300 during the needle inserting operation of the doctor.

As shown in fig. 3, in the specific structure of this embodiment, the fixing element 410 includes a fixing block 411, one end of the fixing block 411, which is away from the gear 200, is provided with a fixing groove 412, the bottom of the fixing groove 412 is provided with a fixing hole 413, and the fixing hole 413 penetrates through the fixing block 411; the latch member 420 includes a latch body 421 and a stopper 422, the latch body 421 is disposed in the fixing hole 413, the stopper 422 is disposed in the fixing groove 412, and the latch body 421 is coupled to the stopper 422.

It can be understood that the latch 421 is inserted into the fixing hole 413 and passes through the fixing hole 413, and the stopper 422 is disposed in the fixing groove 412, so as to facilitate the latch 421 to be drawn in the fixing hole 413 to fix or release the gear 200.

As shown in fig. 2, in the specific structure of this embodiment, the cylinder assembly 300 includes a cylinder member 310 and a piston member 320, the piston member 320 is disposed at an end facing away from the gear 200, and an end of the piston member 320 is fitted in the cylinder member 310.

It will be appreciated that after sampling is completed, the needle tip 120 exits the patient, the piston member 320 is pushed, and the gas inside the piston member 320 enters the needle shaft 110 through the hole 111, thereby pushing the atherectomy tissue cells inside the needle shaft 110 out of the needle tip 120.

As shown in fig. 2, in the specific structure of the present embodiment, the barrel member 310 includes: the gear comprises a housing 311 and a first cover plate 313, wherein an inner cavity 312 is arranged in the housing 311, the first cover plate 313 is arranged at one end of the housing 311, which is far away from the gear 200, and closes the inner cavity 312, a first round hole 314 is arranged at the center of the first cover plate 313, and the piston member 320 is movably arranged in the first round hole 314.

It will be appreciated that the interior chamber 312 is adapted to receive air and the piston member 320, and that the first circular aperture 314 facilitates movement of the piston member 320 within the interior chamber 312.

As shown in fig. 2, in the specific structure of the present embodiment, the piston member 320 includes: a piston plate 321, a sliding post 322 and a second cover plate 324. The piston plate 321 is disposed in the inner cavity 312, and the sliding column 322 is disposed through the first circular hole 314 and connected to the piston plate 321; the second cover plate 324 is disposed at an end of the sliding post 322 facing away from the piston plate 321, and is connected to the sliding post 322.

It can be understood that the diameter of the piston plate 321 is the same as the diameter of the inner cavity 312, and can seal air, the sliding column 322 moves in the inner cavity 312 to push the piston plate 321 to move, and the second cover plate 324 facilitates manual pushing and pulling.

In the specific structure of this embodiment, as shown in fig. 2, a first circular groove 323 is formed in the center of the sliding column 322, and the first circular groove 323 is used for fixing the needle bar 110. A first cylindrical block 500 is further provided at a central position between the cylinder assembly 300 and the gear 200, and the first cylindrical block 500 is used to secure a distance between the cylinder assembly 300 and the gear 200.

As shown in fig. 2, in the specific structure of the present embodiment, the notch portion 122 is in a wave shape or a zigzag shape; the slope surface 121 is arc-shaped or straight.

It can be understood that the notch portion 122 is provided with a wave shape or a zigzag shape, which can increase the contact area of the rotary cutting and ensure that enough sample tissues can be obtained by the rotary cutting; the slope surface 121 is set to be circular arc or linear, and the needle tip 120 with different shapes can be used according to the specific condition of the thyroid nodule of the patient.

In the specific structure of this embodiment, the needle tip 120 is coated with metallic titanium.

It will be appreciated that while failure to visualize the needle tip 120 during a surgical procedure may result in major vascular, tracheal, esophageal or nerve injury, the coating of titanium metal may increase the degree of continued visualization of the needle tip 120 during biopsy sampling.

To sum up, the manual rotary thyroid puncture needle provided by the utility model comprises a needle body 110 and a needle point 120, wherein the needle point 120 is provided with a slope surface 121, and the slope surface 121 is provided with gap parts 122 at intervals; the needle rod 110 is fixedly arranged in the center of the gear 200, the gas cylinder assembly 300 is arranged on one side of the gear 200, which is far away from the needle point 120, the needle rod 110 extends and is fixed in the gas cylinder assembly 300, and the needle rod 110 in the gas cylinder assembly 300 is provided with a plurality of holes 111; the fixing assembly 400 is disposed at a side of the cylinder assembly 300 facing the gear 200 and fixedly coupled to an outer wall of the cylinder assembly 300, and the fixing assembly 400 is used to fix or release the gear 200. The integrated manner of puncturing and negative pressure sucking rotary-cut tissue cells not only improves the operation flexibility of doctors and is convenient to carry, but also increases the channel area of thyroid cells entering the needle body 100, so that one-time sampling is successful, repeated advance and retreat operations are avoided, more thyroid cells can be obtained on the premise of preventing excessive bleeding, the problem that the extracted sample is infected with blood is avoided, and the satisfaction rate of tissue material taking is improved. The problems that a thyroid puncture needle needs to repeatedly advance and retreat for many times and is assisted with negative pressure to obtain a puncture object in the prior art, so that a doctor is inconvenient to operate, a patient is uncomfortable, and an extracted sample is contaminated by blood are solved.

It should be understood that the application of the present invention is not limited to the above examples, and that modifications or changes can be made by those skilled in the art based on the above description, and all such modifications and changes are intended to fall within the scope of the appended claims.

Claims

1. A manual rotary thyroid puncturing needle comprising:

2. The manual rotary thyroid puncturing needle of claim 1, wherein the securing assembly comprises:

3. The manual rotary thyroid puncture needle according to claim 2, wherein the fixing member comprises a fixing block, a fixing groove is arranged at one end of the fixing block, which is far away from the gear, a fixing hole is arranged at the bottom of the fixing groove, and the fixing hole penetrates through the fixing block;

4. The hand-operated rotary thyroid puncturing needle of claim 1 wherein the cartridge assembly comprises a cartridge body member and a piston member, the piston member having an end disposed within the interior of the cartridge body member.

5. The manual rotary thyroid puncturing needle of claim 4 wherein the barrel member comprises:

a housing having an interior cavity therein;

6. The manual rotary thyroid puncturing needle of claim 5, wherein the piston member comprises:

a piston plate disposed within the internal cavity;

7. The manual rotary thyroid puncturing needle of claim 6, wherein the sliding post is centrally provided with a first circular groove for holding the needle shaft.

8. The manual rotary thyroid puncturing needle of claim 1 wherein a first cylindrical block is further centrally disposed between the cartridge assembly and the gear.

9. The manual rotary thyroid puncture needle according to claim 1 wherein the notch portion is in a wave shape or a zigzag shape;

the slope surface is arc-shaped or linear.

10. The manual rotary thyroid puncturing needle of claim 1, wherein the needle tip is provided with titanium metal.