CN214511208U - Radio frequency needle fixer - Google Patents

Abstract

The utility model discloses a radio frequency needle fixer, including metal catheter and biopsy needle, the end department of biopsy needle is equipped with syringe needle and is located the inside of metal catheter, and the movable sleeve has fixed establishment on the biopsy needle simultaneously, and fixed establishment includes fixed block and first rubber sleeve, second rubber sleeve, and threaded groove has been seted up to the up end of fixed block. The utility model discloses in, through setting up the connecting cylinder, first rubber sleeve, second rubber sleeve, the protruding ball, rubber arc splint, the check lock lever, the fixed block, the thread groove, the outer wall screw thread threaded connection with the thread groove on the fixed block and connecting cylinder so, the internal face screw thread threaded connection of second rubber sleeve and connecting cylinder this moment, so design, can fix the stable fixing of biopsy needle, thereby be difficult to take place to drop, and can also protect the end department of biopsy needle, prevent to break, and can also fix according to syringe needle male degree of depth, it is convenient to have the equipment, and simple operation, the characteristics of excellent in use effect.

Description

Radio frequency needle fixer

Technical Field

The utility model belongs to the technical field of the radio frequency needle, specifically a radio frequency needle fixer.

Background

The radio frequency needle is also called a biopsy needle, is a medical instrument, is suitable for various organs such as kidney, liver, lung, mammary gland, thyroid gland, prostate, pancreas, testis, uterus, ovary, body surface and the like, can be used for sampling living tissues of pyramidal tumor, unidentified tumor and the like and sucking cells, can be detached by utilizing an outer needle, and can be used for injecting hemostatic, treatment and the like;

at present, in the process of using the biopsy needle, because the biopsy needle is used on a patient, and the patient can twist his body from time to time, and the like, the needle head is easy to fall off, so that the use is influenced, and therefore based on the problems, a radio frequency needle fixer is designed for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the above-mentioned problems, the biopsy needle is used on a patient, and the patient may twist his body from time to time, which makes the needle fall off easily and affects the use of the biopsy needle.

The utility model adopts the technical scheme as follows: a radio frequency needle fixer comprises a metal catheter and a biopsy needle, wherein a needle head is arranged at the end of the biopsy needle and is positioned in the metal catheter, a fixing mechanism is movably sleeved on the biopsy needle and comprises a fixing block, a first rubber sleeve and a second rubber sleeve, a threaded groove is formed in the upper end face of the fixing block, the biopsy needle penetrates through the fixing block and is positioned in the threaded groove, the fixing block is positioned below the metal catheter, the second rubber sleeve is fixedly arranged on the inner wall of the bottom end face of the threaded groove, the first rubber sleeve is fixedly arranged on the bottom end face of the fixing block, the first rubber sleeve is communicated with the second rubber sleeve, the first rubber sleeve and the second rubber sleeve are movably sleeved on the biopsy needle, an external thread is formed in the outer wall face of the second rubber sleeve, and a connecting cylinder for connecting the biopsy needle is fixedly arranged at the bottom end of the metal catheter, and simultaneously, the outer wall surface and the inner wall surface of the lower end of the connecting cylinder are provided with threads, and the fixing block is positioned below the connecting cylinder.

In a preferred embodiment, two sides of the interior of the first rubber sleeve are provided with rubber arc-shaped clamping plates; a locking rod penetrating through the first rubber sleeve corresponding to the two rubber arc-shaped clamping plates is connected with the first rubber sleeve in a threaded manner, one end of the locking rod is positioned outside the first rubber sleeve, a handle is connected with the locking rod, and the handle is provided with a scale value; the other end of the locking rod is contacted with the outer surface of the rubber arc-shaped clamping plate.

In a preferred embodiment, a plurality of rows of rubber convex balls are fixedly mounted on the inner wall surface of the second rubber sleeve from top to bottom in sequence.

In a preferred embodiment, the height of the connecting cylinder is the same as the groove depth of the threaded groove.

In a preferred embodiment, the tip of the metal catheter is needle-mouthed.

In a preferred embodiment, the inner wall of the metal conduit is provided with an insulating coating.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model discloses in, through setting up the connecting cylinder, first rubber sleeve, second rubber sleeve, the protruding ball, rubber arc splint, the check lock lever, the fixed block, the thread groove, the outer wall screw thread threaded connection with the thread groove on the fixed block and connecting cylinder so, the internal face screw thread threaded connection of second rubber sleeve and connecting cylinder this moment, so design, can fix the stable fixing of biopsy needle, thereby be difficult to take place to drop, and can also protect the end department of biopsy needle, prevent to break, and can also fix according to syringe needle male degree of depth, it is convenient to have the equipment, and simple operation, the characteristics of excellent in use effect.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional connection structure of the present invention;

fig. 3 is a schematic view of the connection structure of the second rubber sleeve and the convex ball of the present invention.

The labels in the figure are: 1. a fixing mechanism; 11. a first rubber sleeve; 12. a fixed block; 13. a threaded groove; 14. a connecting cylinder; 15. a second rubber sleeve; 16. a locking lever; 17. a rubber arc-shaped splint; 18. a rubber convex ball; 2. a metal conduit; 3. a needle head; 4. a biopsy needle.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a radio frequency needle fixer, including a metal catheter 2 and a biopsy needle 4, a needle 3 is disposed at an end of the biopsy needle 4, the needle 3 is located inside the metal catheter 2, a fixing mechanism 1 is movably sleeved on the biopsy needle 4, the fixing mechanism 1 includes a fixing block 12, a first rubber sleeve 11 and a second rubber sleeve 15, a threaded groove 13 is disposed on an upper end surface of the fixing block 12, the biopsy needle 4 penetrates the fixing block 12 and is located inside the threaded groove 13, the fixing block 12 is located below the metal catheter 2, the second rubber sleeve 15 is fixedly mounted on an inner wall of a bottom end surface of the threaded groove 13, the first rubber sleeve 11 is fixedly mounted on the bottom end surface of the fixing block 12, the first rubber sleeve 11 is communicated with the second rubber sleeve 15, the first rubber sleeve 11 and the second rubber sleeve 15 are both movably sleeved on the biopsy needle 4, an outer wall surface of the second rubber sleeve 15 is provided with an external thread, a connecting cylinder 14 for connecting a biopsy needle is fixedly arranged at the bottom end of the metal catheter 2, threads are arranged on the outer wall surface and the inner wall surface of the lower end of the connecting cylinder 14, and the fixing block 12 is positioned below the connecting cylinder 14; the distance between the needle 3 and the metal catheter 2 is 0.1-0.3 mm.

Wherein, two sides of the interior of the first rubber sleeve 11 are provided with rubber arc-shaped clamping plates 17; a locking rod 16 penetrating through the first rubber sleeve 11 corresponding to the two rubber arc-shaped clamping plates 17 is connected with the first rubber sleeve 11 through threads, one end of the locking rod 16 is positioned outside the first rubber sleeve 11, a handle is connected with the locking rod, and the handle is provided with a scale value; the other end of the locking rod 16 is contacted with the outer surface of the rubber arc-shaped clamping plate 17; the arrangement of the rubber arc-shaped clamping plate 17 can increase the friction force and prevent the sliding, the rubber arc-shaped clamping plate 17 can be contacted with the biopsy needle 4 more tightly by rotating the locking rod and placed to slide down, the adjustment handle is convenient to take out when the biopsy needle is taken out, and the adjustment handle is adjusted to prevent the biopsy needle from sliding down when the biopsy needle is stored or fixed; a plurality of rows of rubber convex balls 18 are fixedly arranged on the inner wall surface of the second rubber sleeve 15 from top to bottom in sequence, and the arrangement of the rubber convex balls 18 can increase the friction force and prevent the second rubber sleeve from sliding; the height of the connecting cylinder 14 is the same as the depth of the thread groove 13; the top end of the metal catheter 2 is in a needle mouth shape; the inner wall of the metal conduit 2 is provided with an insulating coating which is used for insulation and prevents the influence in the operation.

The working principle is as follows: when the utility model is used, the utility model,

the first step is as follows: firstly, a first rubber sleeve 11, a second rubber sleeve 15 and a fixed block 12 are sleeved on a biopsy needle 4, so that the biopsy needle 4 is positioned between the inner sides of two rubber arc-shaped clamping plates 17, then a needle head 3 of the biopsy needle 4 is arranged in a metal catheter 2, and then the needle head 3 of the biopsy needle 4 is arranged on a patient and is positioned at a certain depth;

the second step is that: with the outer wall threaded connection of threaded groove 13 on fixed block 12 and connecting cylinder 14, the internal face threaded connection of second rubber sleeve 15 and connecting cylinder 14 this moment, design like this, can fix biopsy needle 4 stable, thereby be difficult to take place to drop, and can also protect the end department of biopsy needle 4, prevent the fracture, and can also fix according to the 3 male degree of depth of syringe needle, it is convenient to have the equipment, and easy and simple to handle, excellent in use effect's characteristics.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (6)

1. A radiofrequency needle holder comprising a metal catheter (2) and a biopsy needle (4), characterized in that: biopsy needle (4) end department is equipped with inside that syringe needle (3) and syringe needle (3) are located metal catheter (2), and movable sleeve has fixed establishment (1) on biopsy needle (4) simultaneously, fixed establishment (1) is including fixed block (12), first rubber sleeve (11), second rubber sleeve (15), threaded groove (13) have been seted up to the up end of fixed block (12), biopsy needle (4) pass fixed block (12) and are located the inside of threaded groove (13), and fixed block (12) are located the below of metal catheter (2) simultaneously, second rubber sleeve (15) fixed mounting is on the bottom face inner wall of threaded groove (13), first rubber sleeve (11) fixed mounting is in the bottom face of fixed block (12), and first rubber sleeve (11) communicates with each other with second rubber sleeve (15) simultaneously, first rubber sleeve (11), The equal movable sleeve of second rubber sleeve (15) is on biopsy needle (4), the external screw thread has been seted up to the outer wall of second rubber sleeve (15), the bottom fixed mounting of metal catheter (2) has connecting cylinder (14) that are used for connecting the biopsy needle, and wall, internal face all are equipped with the screw thread outside the lower extreme of connecting cylinder (14) simultaneously, fixed block (12) are located the below of connecting cylinder (14).

2. A radio frequency needle holder as defined in claim 1, wherein: two sides of the interior of the first rubber sleeve (11) are provided with rubber arc-shaped clamping plates (17); a locking rod (16) penetrating through the first rubber sleeve (11) corresponding to the two rubber arc-shaped clamping plates (17) is connected with the first rubber sleeve (11) in a threaded manner, one end of the locking rod (16) is positioned outside the first rubber sleeve (11), a handle is connected with the locking rod, and a scale value is arranged on the handle; the other end of the locking rod (16) is contacted with the outer surface of the rubber arc-shaped clamping plate (17).

3. A radio frequency needle holder as defined in claim 1, wherein: and a plurality of rows of rubber convex balls (18) are sequentially and fixedly arranged on the inner wall surface of the second rubber sleeve (15) from top to bottom.

4. A radio frequency needle holder as defined in claim 1, wherein: the height of the connecting cylinder (14) is the same as the depth of the thread groove (13).

5. A radio frequency needle holder as defined in claim 1, wherein: the top end of the metal catheter (2) is in a needle mouth shape.

6. A radio frequency needle holder as defined in claim 1, wherein: and an insulating coating is arranged on the inner wall of the metal conduit (2).

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