CN214966400U - Medical ultrasonic developing device - Google Patents
Medical ultrasonic developing device Download PDFInfo
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- CN214966400U CN214966400U CN202120662128.XU CN202120662128U CN214966400U CN 214966400 U CN214966400 U CN 214966400U CN 202120662128 U CN202120662128 U CN 202120662128U CN 214966400 U CN214966400 U CN 214966400U
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- reflecting surface
- main reflecting
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- puncture needle
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Abstract
The utility model discloses a medical ultrasonic developing device, including the pjncture needle, still include a plurality of evenly locate on the outer wall of pjncture needle, and the ultrasonic wave reflection tank that the indent set up, arbitrary ultrasonic wave reflection tank includes: the main reflecting surface is provided with a first preset included angle with the axis of the puncture needle; and the secondary reflecting surface is arranged on the front side of the main reflecting surface along the needle moving direction of the puncture needle, and a second preset included angle is formed between the secondary reflecting surface and the axis of the puncture needle. By applying the device, the plurality of ultrasonic reflection grooves are uniformly arranged on the outer wall of the puncture needle and comprise the main reflection surface and the secondary reflection surface, a first preset included angle is arranged between the main reflection surface and the axis of the puncture needle so as to improve the sound wave density reflected to the secondary reflection surface, improve the reflectivity of incident ultrasonic waves reflected to the secondary reflection surface, increase the sound wave density of ultrasonic waves returned by the secondary reflection surface and improve the developing property of the puncture needle.
Description
Technical Field
The utility model relates to the field of medical equipment, more specifically say, relate to a medical ultrasonic imaging device.
Background
Clinically, puncture needles are medical devices that are commonly used to puncture, cannulate, sample, or inject drugs into various tissues of the body, such as the kidney, liver, lung, breast, thyroid, prostate, pancreas, testis, uterus, ovary, nerves, and the like.
Because the human body structure and body position are different and the internal tissue structure is different, it is difficult for a doctor to directly puncture the target tissue from the body surface only by depending on experience and understanding of the anatomy, and particularly, the nerve, vein, artery and other organs/tissues need to be prevented from being damaged in the puncturing process. The physician therefore needs to determine the position of the needle tip and needle body using visual imaging techniques. Imaging techniques commonly used in medicine are: nuclear magnetic resonance, X-ray CT and ultrasound, but nuclear magnetic resonance and X-ray CT are generally large-scale devices, are usually located at a certain distance from an operating room, and have certain radioactivity, so that a portable and safe ultrasound imager has great advantages in real-time puncture guidance.
Ultrasonic imaging is to scan a human body by using an ultrasonic sound beam, and obtain an image of an internal organ by receiving and processing a reflected signal. Generally, at the interface of the tissue and the interface of the medical device (including the needle) and the tissue, due to the difference of the density, the ultrasonic wave is reflected strongly, so that the position, the size and the shape of the tissue can be judged, the range and the physical properties of the focus can be determined, the anatomical map of glandular tissues can be provided, and the position of the medical device placed in the human body can be provided.
However, in the actual operation process, because the surface of the puncture needle and the ultrasonic incident sound wave have a certain angle and are smooth, the puncture needle can generate mirror reflection on the incident sound wave, so that the received sound wave is reduced, the more the angle of the needle is inclined, the less the sound wave which can return to the probe is, the less the needle is easy to develop, and the accuracy of ultrasonic positioning is reduced.
SUMMERY OF THE UTILITY MODEL
In view of this, a first object of the present invention is to provide a medical ultrasound imaging apparatus to solve the problems of the reduction of the received sound wave and the low accuracy of ultrasound positioning due to the reflection of the ultrasonic wave incident and the puncture needle.
In order to achieve the first object, the present invention provides the following technical solutions:
the utility model provides a medical supersound image device, includes the pjncture needle, still includes that a plurality of evenly locates on the outer wall of pjncture needle and the ultrasonic wave reflecting groove of indent setting, arbitrary the ultrasonic wave reflecting groove includes:
a first preset included angle is formed between the main reflecting surface and the axis of the puncture needle;
and the secondary reflecting surface is arranged on the front side of the main reflecting surface along the needle moving direction of the puncture needle, and a second preset included angle is formed between the secondary reflecting surface and the axis of the puncture needle.
Preferably, the number of the main reflecting surfaces is at least two, and a third preset included angle is respectively arranged between every two adjacent main reflecting surfaces.
Preferably, the main reflecting surface is a first concave curved surface, and an angle between a tangent line of any point of the first concave curved surface and an axis of the puncture needle is not greater than the first preset included angle.
Preferably, the main reflecting surface comprises a first-stage main reflecting surface and a second-stage main reflecting surface arranged at the front end of the first-stage main reflecting surface along the axis of the puncture needle, and the third preset included angle is formed between the first-stage main reflecting surface and the second-stage main reflecting surface.
Preferably, the method further comprises the following steps:
two secondary reflecting surfaces respectively arranged at two sides of the central line of the ultrasonic wave reflecting groove;
any secondary reflecting surface is respectively connected with the first-stage main reflecting surface and the second-stage main reflecting surface, and the two secondary reflecting surfaces and the second-stage main reflecting surface are intersected at one point.
Preferably, the first-stage main reflecting surface comprises a first sub-stage main reflecting surface and a second sub-stage main reflecting surface which are respectively arranged on two sides of the central line of the ultrasonic wave reflecting groove;
the first sub-level main reflecting surface and the second sub-level main reflecting surface are respectively connected with the second main reflecting surface, and a third preset included angle is arranged between the first sub-level main reflecting surface and the second sub-level main reflecting surface and protrudes outwards.
Preferably, an intersecting line segment of the first sub-main reflection surface and the second sub-main reflection surface is parallel to a center line of the ultrasonic wave reflection groove.
Preferably, the number of the secondary reflecting surfaces is at least two, and fourth preset included angles are respectively arranged between every two adjacent secondary reflecting surfaces; or the secondary reflecting surface is a second concave curved surface, and the angle between the tangent line of any point of the second concave curved surface and the axis of the puncture needle is not more than the second preset included angle.
Preferably, the first preset included angle is not more than 40 °; and/or the second preset included angle is within the range of 90-130 degrees.
Preferably, the ultrasonic reflection groove is of a centrosymmetric structure, and the central line of the ultrasonic reflection groove is parallel to the axis of the puncture needle.
The utility model provides a medical ultrasonic developing device, including the pjncture needle, still include a plurality of evenly locate on the outer wall of pjncture needle, and the ultrasonic wave reflection tank that the indent set up, arbitrary ultrasonic wave reflection tank includes: the main reflecting surface is provided with a first preset included angle with the axis of the puncture needle; and the secondary reflecting surface is arranged on the front side of the main reflecting surface along the needle moving direction of the puncture needle, and a second preset included angle is formed between the secondary reflecting surface and the axis of the puncture needle.
Compare in prior art, use the utility model provides a medical ultrasonic developing device has following technological effect:
a plurality of ultrasonic reflection grooves are uniformly formed in the outer wall of the puncture needle and comprise a main reflection surface and a secondary reflection surface, a first preset included angle is formed between the main reflection surface and the axis of the puncture needle, so that the sound wave density of the reflected secondary reflection surface is improved, the reflectivity of the incident ultrasonic wave reflected to the secondary reflection surface is improved, the sound wave density of the secondary reflection surface returning ultrasonic waves is increased, and the developing performance of the puncture needle is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a medical ultrasonic imaging apparatus according to a first embodiment of the present invention;
fig. 2 is a schematic top view of an ultrasonic reflection groove according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of FIG. 2;
fig. 4 is a schematic structural diagram of a medical ultrasonic imaging apparatus according to a second embodiment of the present invention;
fig. 5 is a schematic top view of an ultrasonic reflection groove according to an embodiment of the present invention;
fig. 6 is a schematic cross-sectional structural view of an ultrasonic reflection groove according to a third embodiment of the present invention;
fig. 7 is a schematic diagram of the ultrasonic reflection route of fig. 1.
The drawings are numbered as follows:
a puncture needle 1 and an ultrasonic wave reflecting groove 2;
a first-stage main reflecting surface 21, a second-stage main reflecting surface 22 and a secondary reflecting surface 23;
a first sub-stage main reflection surface 211, and a second sub-stage main reflection surface 212.
Detailed Description
The embodiment of the utility model discloses medical ultrasonic developing device to there is the reflection to make the problem that received sound wave reduces, supersound location accuracy is low in solution ultrasonic wave incident and pjncture needle.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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 work belong to the protection scope of the present invention.
Referring to fig. 1-7, fig. 1 is a schematic structural diagram of a medical ultrasonic imaging apparatus according to a first embodiment of the present invention; fig. 2 is a schematic top view of an ultrasonic reflection groove according to an embodiment of the present invention; FIG. 3 is a schematic cross-sectional view of FIG. 2; fig. 4 is a schematic structural diagram of a medical ultrasonic imaging apparatus according to a second embodiment of the present invention; fig. 5 is a schematic top view of an ultrasonic reflection groove according to an embodiment of the present invention; fig. 6 is a schematic cross-sectional structural view of an ultrasonic reflection groove according to a third embodiment of the present invention; fig. 7 is a schematic diagram of the ultrasonic reflection route of fig. 1.
In a specific embodiment, the medical ultrasonic imaging device provided by the utility model comprises a puncture needle 1, and a plurality of ultrasonic reflection grooves 2 which are uniformly arranged on the outer wall of the puncture needle 1 and are arranged inwards. The ultrasonic wave reflecting groove 2 and the puncture needle 1 are integrally arranged, and preferably, all the ultrasonic wave reflecting grooves 2 are arranged in the same structure, so that the production and the processing are convenient. The ultrasonic wave reflecting grooves 2 are preferably arranged in a matrix on the outer wall of the puncture needle 1 to uniformly increase the density of the reflected ultrasonic waves.
Wherein, any ultrasonic wave reflecting groove 2 comprises a main reflecting surface and a secondary reflecting surface 23, and a first preset included angle is arranged between the main reflecting surface and the axis of the puncture needle 1; the first preset included angle is preferably not more than 40 degrees, the secondary reflecting surface 23 is connected with the main reflecting surface, the secondary reflecting surface 23 is arranged on the front side of the main reflecting surface along the needle advancing direction of the puncture needle 1, so that ultrasonic waves are irradiated forwards through the main reflecting surface along the needle advancing direction and then reflected back to the ultrasonic probe through the secondary reflecting surface 23, a second preset included angle is arranged between the secondary reflecting surface 23 and the axis of the puncture needle 1, and the range of the second preset included angle is 90-130 degrees, preferably 100-130 degrees. Further, the included angle between the main reflecting surface and the secondary reflecting surface 23 is 50-130 degrees, preferably 60-120 degrees, so as to improve the sound wave density of the ultrasonic waves reflected back to the ultrasonic probe for two or more times and improve the developing property of the puncture needle 1.
Compare in prior art, use the utility model provides a medical ultrasonic developing device has following technological effect:
through evenly set up a plurality of ultrasonic wave reflection groove 2 on the outer wall of pjncture needle 1, ultrasonic wave reflection groove 2 includes main plane of reflection and secondary plane of reflection 23, is equipped with first predetermined contained angle between the axis of main plane of reflection and pjncture needle 1 to improve the sound wave density of reflecting to secondary plane of reflection 23, improve the reflectivity that incident ultrasonic wave reflects to secondary plane of reflection 23, increase secondary plane of reflection 23 and return the sound wave density of ultrasonic wave, improve the development nature of pjncture needle 1.
Specifically, the number of the main reflecting surfaces is at least two, and a third preset included angle is respectively arranged between every two adjacent main reflecting surfaces. In one embodiment, the main reflective surface comprises a first-stage main reflective surface 21 and a second-stage main reflective surface 22, the second-stage main reflective surface 22 is arranged at the front end of the first-stage main partial reflective surface, and a third preset included angle is arranged between the first-stage main reflective surface 21 and the second-stage main reflective surface 22 so as to improve the density of sound waves reflected to the second-stage main reflective surface 22, and meanwhile, the included angle between each stage of reflective surface and the axial line of the puncture needle 1 is not more than 40 degrees; the first-stage main reflecting surface 21 and the second-stage main reflecting surface 22 are preferably identical in structure so as to be disposed, such as both being respectively provided with a flat surface or a concave curved surface, to further increase the reflectivity of the incident ultrasonic waves reflected to the secondary reflecting surface 23.
In this embodiment, the main reflective surface is a first concave curved surface, and an angle between a tangent line of any point of the first concave curved surface and the axis of the puncture needle 1 is not greater than a first preset included angle. The curved surface is configured to increase the surface area of the main reflective surface, increase the reflectivity of the incident ultrasonic waves reflected to the secondary reflective surface 23, and in one embodiment, one of the first-stage main reflective surface 21 and the second-stage main reflective surface 22 is a curved surface, or both are configured as curved surfaces, respectively, to further increase the reflectivity.
In order to further increase the density of the sound waves reflected to the secondary reflecting surface 23, the main reflecting surface comprises a first-stage main reflecting surface 21 and a second-stage main reflecting surface 22 arranged at the front end of the first-stage main reflecting surface 21 along the axis of the puncture needle 1, and a third preset included angle is arranged between the first-stage main reflecting surface 21 and the second-stage main reflecting surface 22. If the third preset angle between the primary main reflecting surface 21 and the secondary main reflecting surface 22 is 20 °, preferably, the angle between the primary main reflecting surface 21 and the axis of the puncture needle 1 is 35 °, then the angle between the secondary main reflecting surface 22 and the axis of the puncture needle 1 is 15 °.
Still further, still include:
two secondary reflecting surfaces 23 respectively provided on both sides of the center line of the ultrasonic reflecting groove 2;
any secondary reflecting surface 23 is respectively connected with the first-stage main reflecting surface and the second-stage main reflecting surface, and the two secondary reflecting surfaces 23 and the second-stage main reflecting surface are intersected at one point.
The primary main reflecting surface 21, the secondary main reflecting surface 22, and the secondary reflecting surfaces 23 provided on both sides of the center line of the ultrasonic wave reflecting groove 2 form a tapered groove structure to further reflect the reflected ultrasonic waves back to the ultrasonic probe, thereby improving the developability of the puncture needle 1. The two secondary reflecting surfaces 23 are respectively symmetrically arranged along the central line of the ultrasonic wave reflecting groove 2, and similarly, the first-stage main reflecting surface 21 and the second-stage main reflecting surface 22 are also symmetrically arranged along the central line of the ultrasonic wave reflecting groove 2, so that the production and processing of the ultrasonic wave reflecting groove 2 are facilitated, and the ultrasonic wave reflection density is relatively uniform.
In one embodiment, the first-stage main reflecting surface includes two first-sub main reflecting surfaces 211 and two second-sub main reflecting surfaces 212 respectively disposed on both sides of the center line of the ultrasonic wave reflecting groove 2; the first sub-level main reflecting surface 211 and the second sub-level main reflecting surface 212 are respectively connected with the second-level main reflecting surface 22, a third preset included angle is formed between the first sub-level main reflecting surface 211 and the second sub-level main reflecting surface 212, and the first sub-level main reflecting surface and the second sub-level main reflecting surface are arranged in a protruding mode. The third preset included angle can be set to be between 100 degrees and 150 degrees, and can be set as required and is within the protection range of the utility model.
The intersecting line segment of the first sub-main reflecting surface 211 and the second sub-main reflecting surface 212 is parallel to the center line of the ultrasonic wave reflecting groove 2, preferably, the intersecting line segment coincides with the center line of the ultrasonic wave reflecting groove 2, so that the ultrasonic wave reflecting groove is convenient to arrange, and has a symmetrical structure, so that the reflected ultrasonic wave is uniformly reflected. As shown in fig. 3, an included angle ^ 35 between the first-stage main reflecting surface 211 and the center line of the ultrasonic wave reflecting groove 2, an included angle ^ 15 between the second-stage main reflecting surface 22 and the center line of the ultrasonic wave reflecting groove 2, and an included angle ^ 100 between the secondary reflecting surface 23 and the second-stage main reflecting surface 22.
In order to further improve the reflection density of the reflected ultrasonic waves, the number of the secondary reflecting surfaces 23 is at least two, and fourth preset included angles are respectively arranged between every two adjacent secondary reflecting surfaces; or, the secondary reflecting surface 23 is a second concave curved surface, and the angle between the tangent of any point of the second concave curved surface and the axis of the puncture needle 1 is not larger than a second preset included angle. Wherein the first preset included angle is not more than 40 degrees; and/or the second predetermined included angle is in the range of 90 to 130 degrees, preferably between 100 to 130 degrees.
On the basis of the above embodiments, the ultrasonic wave reflecting groove 2 has a centrosymmetric structure, and the center line of the ultrasonic wave reflecting groove 2 is parallel to the axis of the puncture needle 1, so that the production and processing are convenient, and the uniformity of the sound wave density of the reflected ultrasonic wave is improved.
Finally, it should also be 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.
Claims (10)
1. The utility model provides a medical ultrasonic developing device, includes the pjncture needle, its characterized in that still includes that a plurality of evenly locates on the outer wall of pjncture needle and the ultrasonic wave reflex groove of indent setting, arbitrary the ultrasonic wave reflex groove includes:
a first preset included angle is formed between the main reflecting surface and the axis of the puncture needle;
and the secondary reflecting surface is arranged on the front side of the main reflecting surface along the needle moving direction of the puncture needle, and a second preset included angle is formed between the secondary reflecting surface and the axis of the puncture needle.
2. The medical ultrasonic imaging device according to claim 1, wherein the number of the main reflecting surfaces is at least two, and a third preset included angle is respectively arranged between the adjacent main reflecting surfaces.
3. The medical ultrasonic imaging device according to claim 1, wherein the main reflecting surface is a first concave curved surface, and an angle between a tangent of any point of the first concave curved surface and an axis of the puncture needle is not greater than the first preset included angle.
4. The medical ultrasonic imaging device according to claim 2, wherein the main reflecting surface comprises a first main reflecting surface and a second main reflecting surface arranged at the front end of the first main reflecting surface along the axis of the puncture needle, and the third preset included angle is arranged between the first main reflecting surface and the second main reflecting surface.
5. The medical ultrasound imaging apparatus according to claim 4, further comprising:
two secondary reflecting surfaces respectively arranged at two sides of the central line of the ultrasonic wave reflecting groove;
any secondary reflecting surface is respectively connected with the first-stage main reflecting surface and the second-stage main reflecting surface, and the two secondary reflecting surfaces and the second-stage main reflecting surface are intersected at one point.
6. The medical ultrasonic developing device according to claim 5, wherein the first-stage main reflecting surface includes a first sub-main reflecting surface and a second sub-main reflecting surface respectively provided on both sides of a center line of the ultrasonic wave reflecting groove;
the first sub-level main reflecting surface and the second sub-level main reflecting surface are respectively connected with the second main reflecting surface, and a third preset included angle is arranged between the first sub-level main reflecting surface and the second sub-level main reflecting surface and protrudes outwards.
7. The medical ultrasonic developing device according to claim 6, wherein the intersecting line segment of the first sub-main reflecting surface and the second sub-main reflecting surface is parallel to the center line of the ultrasonic wave reflecting groove.
8. The medical ultrasonic imaging device according to claim 1, wherein the number of the secondary reflecting surfaces is at least two, and a fourth preset included angle is respectively arranged between the adjacent secondary reflecting surfaces; or the secondary reflecting surface is a second concave curved surface, and the angle between the tangent line of any point of the second concave curved surface and the axis of the puncture needle is not more than the second preset included angle.
9. The medical ultrasound imaging apparatus according to claim 1, wherein the first predetermined included angle is not more than 40 °; and/or the second preset included angle is within the range of 90-130 degrees.
10. The medical ultrasonic imaging device according to any one of claims 1 to 8, wherein the ultrasonic reflection groove has a centrosymmetric structure, and a center line of the ultrasonic reflection groove is parallel to an axis of the puncture needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120662128.XU CN214966400U (en) | 2021-03-31 | 2021-03-31 | Medical ultrasonic developing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120662128.XU CN214966400U (en) | 2021-03-31 | 2021-03-31 | Medical ultrasonic developing device |
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| Publication Number | Publication Date |
|---|---|
| CN214966400U true CN214966400U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120662128.XU Active CN214966400U (en) | 2021-03-31 | 2021-03-31 | Medical ultrasonic developing device |
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| CN (1) | CN214966400U (en) |
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2021
- 2021-03-31 CN CN202120662128.XU patent/CN214966400U/en active Active
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