CN216797775U - Novel ultrasonic development puncture needle structure - Google Patents
Novel ultrasonic development puncture needle structure Download PDFInfo
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- CN216797775U CN216797775U CN202122366840.8U CN202122366840U CN216797775U CN 216797775 U CN216797775 U CN 216797775U CN 202122366840 U CN202122366840 U CN 202122366840U CN 216797775 U CN216797775 U CN 216797775U
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- ring groove
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- 238000007789 sealing Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 10
- 238000001574 biopsy Methods 0.000 abstract description 5
- 230000002708 enhancing effect Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 206010006187 Breast cancer Diseases 0.000 abstract description 2
- 208000026310 Breast neoplasm Diseases 0.000 abstract description 2
- 206010019695 Hepatic neoplasm Diseases 0.000 abstract description 2
- 206010028980 Neoplasm Diseases 0.000 abstract description 2
- 208000009453 Thyroid Nodule Diseases 0.000 abstract description 2
- 210000004381 amniotic fluid Anatomy 0.000 abstract description 2
- 210000003445 biliary tract Anatomy 0.000 abstract description 2
- 208000014018 liver neoplasm Diseases 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 3
- 102000004961 Furin Human genes 0.000 description 1
- 108090001126 Furin Proteins 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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Abstract
The utility model discloses a novel ultrasonic developing puncture needle structure, which belongs to the technical field of medical instruments and comprises a needle tube and a needle head, wherein the tail end of the needle tube is provided with a plurality of annular grooves, each annular groove comprises one or more of an annular groove, a wave annular groove or a sawtooth annular groove, the cross section of each annular groove is a semicircular groove or a square groove, and the needle head is a single-bevel conical needle head, a triangular needle head, an inverted conical needle head, a Fuxin needle head, a hypodermic needle head or a Kuern needle head and the like. Compared with the prior art, the novel axial ring groove structure is adopted to reduce scattering attenuation and enhance ultrasonic echo characteristics, the purpose of enhancing ultrasonic development is achieved, and the technical problems that the existing puncture needle is difficult to develop or poor in developing effect are solved. Under the ultrasonic-assisted development, the structure is suitable for tissue biopsy or fine needle aspiration biopsy or biliary tract, amniotic fluid and umbilical puncture for tumor detection of thyroid nodules, breast cancer, liver tumors and the like.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to a novel ultrasonic development puncture needle structure.
Background
Ultrasonic waves are longitudinal waves, have good penetrability and different echo characteristics under different human tissues, are commonly used for medical detection, and in some diagnosis and treatment scenes, when a needle medical instrument is inserted into a patient, the position of a puncture needle head needs to be determined by developing by means of ultrasonic waves. When ultrasonic waves are transmitted to human tissues, attenuation caused by scattering, diffusion, absorption and the like exists, and echo signals received by ultrasonic equipment are easy to distort. The surface of the common puncture needle is smooth, so that when the common puncture needle is punctured into a human body, the scattering attenuation of ultrasound is very strong, the puncture needle is difficult to develop, the needle or a needle head cannot be seen on a display screen of an ultrasonic imaging system, the needle or the needle head is difficult to accurately position in an ultrasonic developing mode, and the risk that the tissues of a patient are unnecessarily damaged due to improper puncture position and repeated puncture is greatly increased.
In the prior art, in order to enhance the ultrasonic development effect of the puncture needle, part of technicians adopt a scheme of arranging a plurality of point-shaped grooves on the surface of the needle point to enhance the echo effect and the ultrasonic development, but the effect of enhancing the development is not good, and the clinical use feedback is not good. In addition, part puncture needles adopt a complex spiral continuous groove structure, the effect is improved to some extent, but the actual requirements of clinicians can not be met, the processing is complex, the production cost is high, and the popularization is difficult.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems, the utility model provides a novel ultrasonic development puncture needle structure, which adopts a novel axial ring groove structure to reduce scattering attenuation and enhance ultrasonic echo characteristics, achieves the purpose of enhancing ultrasonic development and solves the technical problems that the existing puncture needle is difficult to develop or has poor developing effect.
The utility model solves the problems through the following technical means:
the utility model provides a novel ultrasonic development pjncture needle structure which characterized in that, includes needle tubing and syringe needle, wherein: the needle tube is provided with a plurality of ring grooves at the position close to the needle head, the ring grooves comprise one or more of annular grooves, wave ring grooves or sawtooth ring grooves, and the cross sections of the ring grooves are semicircular grooves or square grooves; the needle head is one of a single bevel cone needle head, a triangular needle head, an inverted cone needle head, a Fuxin needle head, a hypodermic needle head, a Kuernun needle head or a flat head.
Preferably, the starting position of the ring groove is set at a position 0mm to 80mm from the needle, and the overall length of the ring groove is 50mm to 100mm, wherein: the groove depth of the ring groove is 0.01mm to 0.05mm, and the groove interval is 0.3mm to 0.5 mm.
Preferably, the included angle between the annular groove and the radial surface of the needle tube ranges from 0 degrees to 30 degrees.
Preferably, a needle seat is installed at one end, far away from the needle head, of the needle tube, connecting threads are arranged on the outer wall of the needle seat, and scale marks are uniformly arranged on the needle tube.
Preferably, still include the base, the middle part of base is provided with the connecting hole, and the both ends of connecting hole are provided with the step hole, and the internally mounted in step hole has the sealing washer, and the inner wall of connecting hole is provided with the internal thread with connecting thread fit, and the outer wall of base is provided with spacing platform, the hand board is installed through the external screw thread to spacing platform.
Preferably, the needle comprises an inner needle structure, the inner needle structure is composed of an inner needle body and an inner needle seat, the inner needle body is movably arranged in the needle tube, and the inner needle seat is arranged in the connecting hole through an inclined plug at the bottom.
The novel ultrasonic development puncture needle structure has the following beneficial effects:
the novel axial ring groove structure is adopted to reduce scattering attenuation and enhance ultrasonic echo characteristics, the purpose of enhancing ultrasonic development is achieved, and the technical problem that the existing puncture needle is difficult to develop or poor in developing effect is solved. The annular grooves with a certain number can effectively reduce ultrasonic scattering attenuation, achieve the ultrasonic development effect required by clinic, and meanwhile, the annular grooves are axially distributed along the surface of the puncture needle, so that the production and the processing are facilitated, particularly the annular grooves, and the production process is very simple, convenient and fast. Under the ultrasonic-assisted development, the structure is very suitable for tissue biopsy or fine needle aspiration biopsy or biliary tract, amniotic fluid and umbilical puncture for tumor detection of thyroid nodules, breast cancer, liver tumors and the like.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a needle cannula of the present invention;
FIG. 2 is a schematic view of the circular groove structure of the present invention;
FIG. 3 is a schematic view of the wave ring groove structure of the present invention;
FIG. 4 is a schematic view of the serration ring groove structure of the present invention;
FIG. 5 is a schematic diagram of the inclined angle of the ring groove in the present invention;
FIG. 6 is a schematic view of a semicircular groove structure according to the present invention;
FIG. 7 is a schematic view of the structure of the square groove of the present invention;
FIG. 8 is a schematic view of the structure of the needle holder of the present invention;
FIG. 9 is a schematic view of the base structure of the present invention;
FIG. 10 is a schematic view of the internal structure of the base of the present invention;
FIG. 11 is a schematic view of the inner needle structure of the present invention.
The needle comprises a needle tube 1, a needle head 2, a ring groove 3, a ring groove 301, a ring groove 302, a wavy ring groove 303, a sawtooth ring groove 304, a semicircular groove 305, a square groove 4, a needle seat 401, a connecting thread 5, a scale mark 6, a base 601, a connecting hole 602, a stepped hole 603, a sealing ring 604, a limiting table 604, a hand plate 605, an inner needle structure 7, an inner needle body 701, an inner needle seat 702 and an inclined plug 703.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The present invention will be described in detail below with reference to the accompanying drawings.
Example one
As shown in fig. 1 to 7, the puncture needle structure for ultrasonic imaging includes a needle tube 1 and a needle head 2, in the figure, the needle tube 1 is provided with at least 2 ring grooves 3 near the needle head 2, the ring grooves 3 can have various forms, and an equidistant or non-equidistant arrangement scheme is adopted, in this embodiment, the ring grooves 3 include one or more combinations of ring grooves 301, wave ring grooves 302 or sawtooth ring grooves 303, a certain number of ring grooves can effectively reduce ultrasonic scattering attenuation, and achieve an ultrasonic imaging effect required clinically, the cross section of the ring grooves 3 can be semicircular grooves 304 or square grooves 305, and the ring grooves are axially distributed along the surface of the puncture needle to facilitate production and processing, especially the ring grooves, and the production process is very simple, convenient and fast. Because the clinical use conditions of the market and various departments are not uniform, other types of needles such as a shaft needle, a biopsy needle, a positioning needle and the like also need ultrasonic enhanced development for positioning, and the ring groove structure can be arranged. In this embodiment, the circular ring groove 301, the wave ring groove 302, or the sawtooth ring groove 303 is a classic structure, and may also include other special-shaped structures.
Specifically, the needle 2 may be of any one of a variety of conventional structures, including a single bevel tapered needle, a three-edged needle, an inverted tapered needle, a furin needle, a hypodermic needle, a flat head, or a cronan needle. It should be noted that the starting position of the ring groove 3 is set at a position 0mm to 80mm from the needle, and the overall length of the ring groove 3 is 50mm to 100mm, and preferably, the starting position of the ring groove 3 is set at a position 30mm to 50mm from the needle, and the overall length of the ring groove 3 is 50mm to 80 mm. Wherein: the groove depth of the ring groove 3 is 0.01mm to 0.05mm, and the groove interval is 0.3mm to 0.5mm, preferably, the groove depth of the ring groove 3 is 0.03mm to 0.04mm, and the groove interval is 0.3mm to 0.4 mm. In the figure, the plane of the annular groove can be vertical to the axis of the puncture needle or form a certain angle with the axis of the puncture needle, the included angle alpha between the annular groove 3 and the radial surface of the needle tube 1 can range from 0 degree to 30 degrees, and in the example, the included angle alpha between the annular groove 3 and the radial surface of the needle tube 1 is 30 degrees.
Example two
As shown in fig. 8, a needle seat 4 is installed at one end of the needle tube 1 far from the needle 2, a connecting thread 401 is arranged on the outer wall of the needle seat 4, scale marks 5 are evenly arranged on the needle tube 1, the scale marks 5 can visually judge the depth distance of the needle, and the connecting thread 401 of the needle seat 4 can be conveniently disassembled and assembled to realize quick replacement of the needle tubes 1 with different specifications.
EXAMPLE III
As shown in fig. 9 and 10, the portable electronic device further comprises a base 6, a connecting hole 601 is formed in the middle of the base 6, stepped holes 602 are formed in two ends of the connecting hole 601, a sealing ring 603 is installed inside the stepped hole 602, an inner thread matched with the connecting thread 401 is formed in the inner wall of the connecting hole 601, a limiting table 604 is arranged on the outer wall of the base 6, a hand plate 605 is installed on the limiting table 604 through the outer thread, the hand plate 605 is convenient for a user to use, and 2 finger holes can be symmetrically formed in the hand plate 605.
Example four
As shown in fig. 11, the disposable medical needle further comprises an inner needle structure 7, the inner needle structure 7 is composed of an inner needle body 701 and an inner needle base 702, the inner needle body 701 is movably mounted in the needle tube 1, the inner needle base 702 is mounted in the connection hole 601 through a bevel plug 703 at the bottom, the bevel plug 703 is an elastic sealing material and can be matched and sealed with a sealing ring 603, and the inner needle structure 7 can be connected with an administration tube or a sampling tube. It should be noted that, the ultrasonic development effect is not affected by adopting the structure of the inner needle outer tube. In practical application, when the needle tip 2 is a flat head, the tip of the inner needle body 701 can be a triangular needle.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides a novel ultrasonic development pjncture needle structure which characterized in that, includes needle tubing (1) and syringe needle (2), wherein:
the needle tube (1) is provided with a plurality of ring grooves (3) at positions close to the needle head (2), the ring grooves (3) comprise one or more of a ring groove (301), a wave ring groove (302) or a sawtooth ring groove (303), and the cross section of each ring groove (3) is a semicircular groove (304) or a square groove (305);
the needle head (2) is one of a single-bevel conical needle head, a triangular needle head, an inverted conical needle head, a Fuxin needle head, a hypodermic needle head, a Kuernun needle head or a flat head;
the included angle alpha between the annular groove (3) and the radial surface of the needle tube (1) ranges from 0 degree to 30 degrees.
2. The new sonography puncture needle structure of claim 1, wherein the starting position of the ring groove (3) is set at a position 0mm to 80mm from the needle head (2), the overall length of the ring groove (3) is 50mm to 100mm, wherein: the groove depth of the ring groove (3) is 0.01mm to 0.05mm, and the groove interval is 0.3mm to 0.5 mm.
3. The novel ultrasonic development puncture needle structure is characterized in that a needle seat (4) is installed at one end, away from the needle head (2), of the needle tube (1), a connecting thread (401) is arranged on the outer wall of the needle seat (4), and scale marks (5) are uniformly arranged on the needle tube (1).
4. The novel ultrasonic developing puncture needle structure according to claim 3, characterized by further comprising a base (6), wherein a connecting hole (601) is formed in the middle of the base (6), stepped holes (602) are formed in two ends of the connecting hole (601), a sealing ring (603) is installed inside each stepped hole (602), an internal thread matched with the connecting thread (401) is formed in the inner wall of each connecting hole (601), a limiting table (604) is arranged on the outer wall of the base (6), and a hand plate (605) is installed on each limiting table (604) through an external thread.
5. The novel ultrasonic developing puncture needle structure according to claim 4, characterized in that the structure further comprises an inner needle structure (7), the inner needle structure (7) is composed of an inner needle body (701) and an inner needle base (702), the inner needle body (701) is movably installed in the needle tube (1), and the inner needle base (702) is installed in the connecting hole (601) through a bottom bevel plug (703).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122366840.8U CN216797775U (en) | 2021-09-29 | 2021-09-29 | Novel ultrasonic development puncture needle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122366840.8U CN216797775U (en) | 2021-09-29 | 2021-09-29 | Novel ultrasonic development puncture needle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216797775U true CN216797775U (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122366840.8U Expired - Fee Related CN216797775U (en) | 2021-09-29 | 2021-09-29 | Novel ultrasonic development puncture needle structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216797775U (en) |
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2021
- 2021-09-29 CN CN202122366840.8U patent/CN216797775U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220624 |
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| CF01 | Termination of patent right due to non-payment of annual fee |