CN218500784U

CN218500784U - Puncture needle

Info

Publication number: CN218500784U
Application number: CN202221733308.3U
Authority: CN
Inventors: 王季; 孙洪荣; 胡立力; 郑枫
Original assignee: Shanghai Ace Medical Technology Co ltd
Current assignee: Shanghai Ace Medical Technology Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2023-02-21
Anticipated expiration: 2032-07-07

Abstract

The utility model discloses a puncture needle, which comprises a needle seat, an outer tube, a scale ring, a developing mark, an inner tube, an end improved structure and a vernier main body. The utility model discloses an end improvement structure has been set up, the inner tube, junction tube and junction tube right side's end cooperation down, can carry out safe puncture activity, make junction tube upper end middle part establish the notch and move into focus department safely, the activity of taking a sample, and locate the pointed end of the relative department in notch right side, the hook that can take a sample the tissue is drawn, avoid follow-up sample tissue slippage, thereby the advantage of drawing is drawn with the stable hook of sample tissue to safe puncture, and set up the vernier main part outside the outer tube, under first lasso and second lasso removal cooperation, can puncture length's location, avoid the puncture overlength, cause secondary damage to the patient, and locate the inside non slipping collar of second lasso and can realize certain resistance, guarantee length location's firm, thereby the location puncture has been reached, guarantee the safe advantage of puncture process.

Description

Puncture needle

Technical Field

The utility model relates to a puncture biopsy needle field of relevance especially relates to a pjncture needle.

Background

Biopsy puncture is a technique for taking out pathological tissues from a patient body by cutting, clamping or puncturing and the like and carrying out pathological examination, has great biopsy difference according to the difficulty degree of obtaining tissues, but can carry out clear histopathological diagnosis on most of samples to be examined and is used as the final clinical diagnosis;

the puncture needle is a medical instrument for sampling and injecting tissues of various organs such as kidney, liver, lung, mammary gland, thyroid gland, prostate gland, pancreas, testis, uterus, ovary, body surface and the like in minimally invasive surgery;

puncture needles are used for tissue biopsy in surgery, ultrasound, and interventional fields.

In the department of sports medicine, orthopaedics and cardiovascular surgery, the puncture needle is used for thread hooking.

The existing puncture biopsy needle comprises a biopsy needle and a guide needle, wherein the guide needle is punctured into tissue in advance, is positioned after being close to a focus, and is inserted into the guide needle to be finally punctured into the focus to carry out biopsy sampling activity.

At present when carrying out the use of puncture biopsy needle, biopsy needle end department all is the cusp form, when leading to follow-up biopsy needle to extract, and biopsy needle body is inside to lack the adhesive force, leads to inside sample tissue, takes place the obscission easily, leads to puncture sample failure.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above disadvantages, the utility model provides a puncture needle.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a puncture needle, includes needle file, outer tube, scale ring, development mark and inner tube, the needle file right side is pegged graft mutually with the outer tube to outer tube surface equidistance is equipped with the scale ring, outer tube right side surface transversely is equipped with the development mark, the outer tube is inside transversely to run through there is the inner tube, still improves the structure and locates the vernier main part of outer tube left side surface including the end of locating the inner tube right side, the end is improved the structure and is carried out the pointed end that the hook was drawn including meeting in the junction tube on inner tube right side, locating the end on junction tube right side, seting up in the notch of junction tube upper end and locating the notch right side relatively.

Preferably, the cursor main body comprises a first ferrule sleeved on the outer side of the outer tube, a second ferrule connected to the right side of the first ferrule, an anti-slip ring arranged in the second ferrule, and anti-slip threads arranged on the outer side of the first ferrule.

Preferably, the inner part of the left side of the needle seat is provided with an internal thread, and the middle part of the right side of the needle seat is fixedly connected with the outer tube.

Preferably, the right end of the outer tube is pointed, and the inside of the outer tube is hollow.

Preferably, the developing targets are linearly arranged along the right side of the outer tube in the transverse direction, and the number of the developing targets is not less than five.

Preferably, the whole end head is round-headed, and the outer surfaces of the end head and the left short connecting pipe are smooth.

Preferably, the notch is formed along the upper end of the connecting short pipe in an inclined manner towards the lower right corner, and the tip arranged at the right side of the notch and the tip arranged at the right side of the outer pipe are arranged in an oppositely inclined manner.

Preferably, the first ferrule and the second ferrule are integrally arranged, and the anti-skid threads arranged on the outer side of the first ferrule are in a plurality of straight lines.

The utility model has the advantages that:

the method has the advantages that: the utility model discloses a set up the end and improved the structure, under the end cooperation on inner tube, junction pipe and junction pipe right side, can carry out the activity of safe puncture, make junction pipe upper end middle part establish the notch and move into focus department safely, take a sample the activity, and locate the most advanced of the relative department in notch right side, the hook that can take a sample the tissue is drawn, avoids follow-up sample tissue slippage to reached safe puncture and the stable hook of sample tissue and drawn the advantage.

The method has the advantages that (2): the utility model discloses a set up the vernier main part in the outer tube outside, under first lasso and second lasso removal cooperation, can carry out the location of puncture length, avoid the puncture overlength, cause the secondary injury to the patient, and locate the inside antiskid circle of second lasso and can realize certain resistance, guarantee the firm of length location to reached the location puncture, guaranteed the advantage of puncture process safety.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the improved structure of the end head of the present invention;

fig. 3 is a schematic view of the three-dimensional front view structure of the cursor body of the present invention.

Wherein: the needle base-1, the outer tube-2, the scale ring-3, the developing mark-4, the end improved structure-5, the cursor main body-6, the inner tube-7, the short connecting tube-51, the end-52, the notch-53, the tip-54, the first ferrule-61, the second ferrule-62, the anti-slip ring-63 and the anti-slip pattern-64.

Detailed Description

In order to further explain the technical solution of the present invention, the following detailed description is given by way of specific examples.

Referring to fig. 1, the utility model provides a puncture needle, which comprises a needle seat 1, an outer tube 2, a scale ring 3, a developing mark 4 and an inner tube 7, wherein the right side of the needle seat 1 is spliced with the outer tube 2, the scale ring 3 is arranged on the outer surface of the outer tube 2 at equal intervals, the developing mark 4 is transversely arranged on the outer surface of the right side of the outer tube 2, the inner tube 7 transversely penetrates through the inner part of the outer tube 2, and the puncture needle further comprises an end head improved structure 5 arranged on the right side of the inner tube 7 and a cursor main body 6 arranged on the outer surface of the left side of the outer tube 2; the internal thread has been seted up to 1 left side of needle file inside to 1 right side middle part of needle file and 2 fastening connections of outer tube guarantee that needle file 1 can carry out the high-speed joint with outside syringe or other medical instrument, 2 right-hand members of outer tube department are the tip form, and 2 inside whole cavity forms that are of outer tube, guarantee that outer tube 2 punctures the activity stability in advance, develop mark 4 along the horizontal sharp setting in outer tube 2 right sides, and develop mark 4 whole setting quantity and be no less than five, guarantee the stability of follow-up ultrasonic positioning development.

Referring to fig. 2, the improved structure of tip 5 includes a short connection tube 51 connected to the right side of the inner tube 7 for puncturing and matching, a tip 52 disposed at the right side of the short connection tube 51 for avoiding secondary injury due to puncturing, a notch 53 opened at the upper end of the short connection tube 51 for convenient sampling, and a tip 54 opened at the right side of the notch 53 for tissue hooking; the whole end 52 is round-head-shaped, the outer surfaces of the end 52 and the left short connecting pipe 51 are smooth, smooth moving and moving of the end 52 and the short connecting pipe 51 are guaranteed, the notch 53 is obliquely arranged along the upper end of the short connecting pipe 51 towards the lower right corner, the tip 54 arranged on the right side of the notch 53 and the tip on the right side of the outer pipe 2 are oppositely inclined, and stable sampling of sample tissues is guaranteed when the notch 53 and the tip 54 are matched.

Referring to fig. 3, the cursor body 6 includes a first ferrule 61 slidably sleeved outside the outer tube 2 for moving into a distance-limiting manner, a second ferrule 62 connected to the right middle portion of the first ferrule 61 for distance-limiting engagement, an anti-slip ring 63 adhered and fixed inside the second ferrule 62 for positioning and anti-slip, and an anti-slip pattern 64 provided outside the first ferrule 61 for ensuring the first ferrule 61 to be stably pushed; the first ferrule 61 and the second ferrule 62 are integrally arranged, and the anti-skid threads 64 arranged on the outer side of the first ferrule 61 are in a plurality of straight lines, so that the worker can stably push and position the first ferrule 61.

The working principle is as follows:

firstly, when the disposable puncture biopsy needle is used, the outer tube 2 connected with the right side of the needle seat 1 can be punctured to a focus to realize the pre-puncturing activity, under the coordination of the scale rings 3 arranged on the outer side of the outer tube 2 at equal intervals, the auxiliary acquisition of the puncturing length can be carried out, and under the coordination of the developing marks 4 arranged on the outer surface of the right side of the outer tube 2 in a transverse straight line, the ultrasonic developing activity can be carried out to acquire the distance from the outer tube 2 to the focus;

secondly, after the puncture of the outer tube 2 is completed, the inner tube 7 can be inserted into the outer tube 2, so that the end improved structure 5 arranged on the right side of the inner tube 7 can be moved into the outer tube 2, and then the connecting short tube 51 arranged in the end improved structure 5 can be moved into a focus under the driving of the inner tube 7, after the movement of the connecting short tube 51, the notch 53 formed at the upper end of the connecting short tube 51 can be opened for carrying out the tissue carrying at the focus, and the tip 54 formed on the right side of the notch 53 is opposite to the notch 53, so that when the inner tube 7 is pulled out of the outer tube 2, the hooking of the sampling tissue in the notch 53 can be carried out, thereby avoiding the phenomenon that the sampling tissue is moved out and falls off, and causing the failure of biopsy puncture sampling, and meanwhile, when the puncture sampling is carried out, the end 52 arranged on the right side of the connecting short tube 51 can avoid the puncture phenomenon in the body of a patient due to the whole round head shape, thereby realizing the safe puncture sampling movement, and achieving the advantage of stable hooking and the extraction of the sampling tissue;

thirdly, in order to further enhance the usability of the disposable puncture biopsy needle, the vernier main body 6 is further arranged on the outer side of the outer tube 2, so that the outer tube 2 is positioned in a puncture moving-in distance, medical staff can push the first ferrule 61 with the anti-slip ring 64 to enable the first ferrule 61 and the second ferrule 62 integrally formed on the right side to move along the outer side of the outer tube 2, namely, the right side of the second ferrule 62 is opposite to a certain scale ring 3 arranged on the outer side of the outer tube 2 to perform positioning activity, after the outer tube 2 is punctured and the second ferrule 62 is contacted with the skin of a patient, the puncture can be stopped, the phenomenon of puncture error caused by overlong puncture is avoided, meanwhile, the anti-slip ring 63 arranged in the second ferrule 62 can realize certain resistance matching, so that the situation that the pushing force of the medical staff is too large to cause the deviation of the positioning position is avoided, thereby achieving the positioning puncture and ensuring the safety of the puncture process.

The utility model provides a puncture needle, through having set up end improvement structure 5, at inner tube 7, junction pipe 51 cooperates with end 52 on junction pipe 51 right side under, can carry out the activity of safe puncture, make junction pipe 51 upper end middle part establish notch 53 safe immigration focus department, the activity of taking a sample, and locate the most advanced 54 of the relative department in notch 53 right side, can take a sample the hook of tissue and draw, avoid follow-up sample tissue slippage, thereby the advantage of drawing is drawn with the stable hook of sample tissue to safe puncture has been reached, and vernier main part 6 has been set up in the outer pipe 2 outside, under first lasso 61 and the cooperation of second lasso 62 removal, can carry out the location of puncture length, avoid the puncture overlength, cause secondary injury to the patient, and locate the inside anti-slip ring 63 of second lasso 62 and can realize certain resistance, guarantee the firm of length location, thereby location puncture has been reached, guarantee the advantage of puncture process safety.

Although the present invention has been described in detail 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 in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A puncture needle comprises a needle seat (1), an outer tube (2), scale rings (3), developing labels (4) and an inner tube (7), wherein the right side of the needle seat (1) is spliced with the outer tube (2), the scale rings (3) are arranged on the outer surface of the outer tube (2) at equal intervals, the developing labels (4) are transversely arranged on the outer surface of the right side of the outer tube (2), and the inner tube (7) transversely penetrates through the inner part of the outer tube (2);

the method is characterized in that: the improved end socket structure is characterized by further comprising an improved end structure (5) arranged on the right side of the inner pipe (7) and a cursor main body (6) arranged on the outer surface of the left side of the outer pipe (2), wherein the improved end structure (5) comprises a short connecting pipe (51) connected to the right side of the inner pipe (7), an end socket (52) arranged on the right side of the short connecting pipe (51), a notch (53) arranged at the upper end of the short connecting pipe (51) and a tip (54) which is arranged on the right side of the notch (53) relatively and used for hooking.

2. A puncture needle according to claim 1, characterized in that: the vernier body (6) comprises a first ferrule (61) sleeved on the outer side of the outer tube (2), a second ferrule (62) connected to the right side of the first ferrule (61), an anti-slip ring (63) arranged inside the second ferrule (62) and anti-slip threads (64) arranged on the outer side of the first ferrule (61).

3. A puncture needle according to claim 1, characterized in that: an internal thread is formed inside the left side of the needle seat (1), and the middle part of the right side of the needle seat (1) is fixedly connected with the outer tube (2).

4. A puncture needle according to claim 1, characterized in that: the right end of the outer tube (2) is pointed, and the whole inner part of the outer tube (2) is hollow.

5. A puncture needle according to claim 1, characterized in that: the developing label (4) is arranged along the transverse straight line on the right side of the outer tube (2), and the number of the developing label (4) is not less than five.

6. A puncture needle according to claim 1, characterized in that: the whole end head (52) is round-head-shaped, and the outer surfaces of the end head (52) and the connecting short pipe (51) arranged on the left side are smooth.

7. A puncture needle according to claim 1, characterized in that: the notch (53) is obliquely arranged along the upper end of the short connecting pipe (51) to the right lower corner, and the tip (54) arranged at the right side of the notch (53) and the tip at the right side of the outer pipe (2) are arranged in an opposite oblique state.

8. A puncture needle according to claim 2, characterized in that: the first ferrule (61) and the second ferrule (62) are integrally arranged, and the anti-skid threads (64) arranged on the outer side of the first ferrule (61) are in a plurality of straight lines.