CN113693689A - Method and device for ultrasound-guided puncture - Google Patents
Method and device for ultrasound-guided puncture Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000002604 ultrasonography Methods 0.000 claims abstract description 47
- 238000003384 imaging method Methods 0.000 claims abstract description 38
- 239000002184 metal Substances 0.000 claims abstract description 17
- 239000000523 sample Substances 0.000 claims abstract description 16
- 239000011521 glass Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 description 4
- 210000001519 tissue Anatomy 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
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- 210000004072 lung Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 210000005075 mammary gland Anatomy 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 210000001672 ovary Anatomy 0.000 description 1
- 210000000496 pancreas Anatomy 0.000 description 1
- 210000002307 prostate Anatomy 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3413—Needle locating or guiding means guided by ultrasound
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Abstract
本发明公开了一种超声引导穿刺的方法和装置，涉及医疗器械技术领域，具体为穿刺针管、辅助超声设备的成像屏幕和固定架，所述穿刺针管的一端设置有穿刺针针头，所述超声换能器B、超声换能器C与金属导杆相连接，所述固定架连接于金属导杆和穿刺针管的顶端，所述辅助超声设备的成像屏幕通过导线与辅助超声探头相连接。该超声引导穿刺的方法和装置，当超声波束对三个超声换能器进行触发使其发出超声信号，该信号和原本超声信号的频率不同，被接收后可被区别显示到超声机器上，就可以实时的获取到穿刺针针头其针尖侧的位置，还可以即时的判断穿刺针针头、穿刺针管在穿刺过程中是否偏离超声观测平面，从而便于规划出最佳的穿刺路径。
The invention discloses a method and a device for guiding puncture with ultrasound, and relates to the technical field of medical devices, in particular to a puncture needle tube, an imaging screen and a fixing frame of auxiliary ultrasonic equipment. One end of the puncture needle tube is provided with a puncture needle needle. The transducer B and the ultrasonic transducer C are connected to the metal guide rod, the fixing frame is connected to the metal guide rod and the top of the puncture needle tube, and the imaging screen of the auxiliary ultrasonic device is connected to the auxiliary ultrasonic probe through a wire. In the method and device for ultrasonic guided puncture, when the ultrasonic beam triggers the three ultrasonic transducers to send out ultrasonic signals, the frequencies of the signals are different from the original ultrasonic signals. The position of the needle tip side of the puncture needle can be obtained in real time, and it can also be instantly judged whether the puncture needle and the puncture needle tube deviate from the ultrasonic observation plane during the puncture process, so as to facilitate the planning of the best puncture path.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a method and a device for ultrasonic guided puncture.
Background
The puncture needle is a medical instrument for sampling and injecting tissues of various organs such as lung, kidney, liver, lung, mammary gland, thyroid gland, prostate gland, pancreas, testis, uterus, ovary, body surface and the like in a minimally invasive surgery, and an ultrasonic imaging technology has the characteristics of no wound, no radiation, good real-time property, portability and low cost, becomes an irreplaceable diagnostic technology of modern medicine, becomes a preferred method for diagnosing various clinical diseases at present, and can accurately sample and inject specified parts for treatment by supplementing each other.
The existing ultrasonic puncture technology has high cost for puncture planning, is complex to operate, cannot clearly know the position of the needle point of the puncture needle, and cannot judge whether the puncture needle deviates from an ultrasonic observation plane in the puncture process in real time, so that a correct puncture route cannot be planned.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an ultrasonic guided puncture method and device, and solves the problems that the existing ultrasonic puncture technology proposed in the background art is high in puncture planning cost and complex in operation, the position of the needle point of a puncture needle cannot be clearly known, and whether the puncture needle deviates from an ultrasonic observation plane in the puncture process cannot be immediately judged, so that a correct puncture route cannot be planned.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an supersound guide piercing depth, includes puncture needle tubing, supplementary ultrasonic equipment's formation of image screen and mount, puncture needle tubing's one end is provided with the pjncture needle syringe, and the supreme ultrasonic transducer B, ultrasonic transducer C that has distributed in proper order down of puncture needle tubing's inside, the inside of pjncture needle syringe is provided with ultrasonic transducer A, ultrasonic transducer B, ultrasonic transducer C are connected with the metal guide arm, and the metal guide arm also sets up inside the puncture needle tubing, the mount is connected in the top of metal guide arm and puncture needle tubing, the metal guide arm is connected with supersound emission receiving arrangement through the wire, supplementary ultrasonic equipment's formation of image screen is connected with supplementary ultrasonic probe through the wire.
Optionally, the ultrasonic transducer B and the ultrasonic transducer C are distributed inside the puncture needle tube along a straight line, and the ultrasonic transducer a, the ultrasonic transducer B and the ultrasonic transducer C are also located on the same straight line.
Optionally, the tip of the puncture needle head has a puncture bevel, and the outer edge of the ultrasonic transducer a is flush with the puncture bevel.
Optionally, the distance between the ultrasonic transducer a and the ultrasonic transducer B is 5mm, and the distance between the ultrasonic transducer B and the ultrasonic transducer C is also 5 mm.
Optionally, the surface of the puncture needle tube is embedded with glass, and the glass positions coincide with the ultrasonic transducer B and the ultrasonic transducer C.
A method of ultrasonically guiding a lancing device comprises the following operational steps:
s1, taking an auxiliary ultrasonic device to make the device normally operate and start B-mode imaging, and making the device emit stable ultrasonic beams;
s2, the ultrasonic beam emitted by the auxiliary ultrasonic equipment is irradiated on the ultrasonic transducer A, the ultrasonic transducer B and the ultrasonic transducer C, and the ultrasonic transducer A, the ultrasonic transducer B and the ultrasonic transducer C can receive ultrasonic signals and can also emit ultrasonic signals;
s3, after the ultrasonic signals received by the ultrasonic transducer A, the ultrasonic transducer B and the ultrasonic transducer C are obtained by a control system in the ultrasonic transmitting and receiving device, the ultrasonic transducer A, the ultrasonic transducer B and the ultrasonic transducer C can send ultrasonic signals with different frequencies in a mode B of the auxiliary ultrasonic equipment;
s4, ultrasonic signals sent by the ultrasonic transducer A, the ultrasonic transducer B and the ultrasonic transducer C are displayed in an imaging screen of the auxiliary ultrasonic equipment in a distinguishing way;
s5, the position of the puncture needle head can be accurately acquired and the position of the puncture needle tube can be synchronously displayed through the display ultrasonic observation plane of the auxiliary ultrasonic probe on the imaging screen of the auxiliary ultrasonic equipment and the differential display of the ultrasonic transducer A, the ultrasonic transducer B and the ultrasonic transducer C on the imaging screen of the auxiliary ultrasonic equipment;
s6, judging whether the whole puncture needle deviates from the ultrasonic observation plane in the puncture process through judging three points and one line of the ultrasonic transducer A, the ultrasonic transducer B and the ultrasonic transducer C, and planning out the optimal puncture path in real time.
Optionally, in the step S6, the whole puncture needle is composed of a puncture needle tube, a puncture needle head, an ultrasonic transducer a, an ultrasonic transducer B, and an ultrasonic transducer C.
Optionally, the method for ultrasonically guiding the puncture device further comprises the following operation steps:
s7, when the ultrasonic transducer A, the ultrasonic transducer B and the ultrasonic transducer C are clearly seen on the imaging screen of the auxiliary ultrasonic equipment, the plane where the whole puncture needle is located and the ultrasonic observation plane scanned by the auxiliary ultrasonic probe can be considered to be in the same plane, and whether the puncture needle deviates from the ultrasonic observation plane can be immediately judged according to the imaging screen of the auxiliary ultrasonic equipment.
Optionally, in the step S7, it can be said that all three transducers are in the ultrasound observation plane only if the ultrasound transducer a, the ultrasound transducer B, and the ultrasound transducer C are clearly seen at the same time, and if it cannot be seen at the same time, it can be said that only one or two transducers are seen at the same time, it is said that the puncture needle tubes or the puncture needle portions corresponding to the remaining transducers have deviated from the observation plane, which has a risk of causing a medical accident.
The invention provides a method and a device for ultrasound-guided puncture, which have the following beneficial effects:
when the ultrasonic beam reaches the three ultrasonic transducers near the puncture needle head, the ultrasonic transducers are triggered to send out ultrasonic signals, the frequency of the ultrasonic signals is different from that of the originally transmitted ultrasonic signals, the signals can be displayed on an ultrasonic machine in a distinguishing mode after being received, the position of the needle point side of the puncture needle head can be obtained in real time, whether the puncture needle head and the puncture needle tube deviate from an ultrasonic observation plane in the puncture process can be judged in real time, and therefore an optimal puncture path can be planned conveniently.
1. The method and the device for ultrasound guided puncture can determine the position of a puncture needle head for the identification of an ultrasound transducer A, the identification method is that an ultrasound beam triggers the ultrasound transducer A to emit ultrasound waves with different frequencies and the ultrasound waves are displayed on an imaging screen of auxiliary ultrasound equipment, if the identification of the puncture needle head is difficult due to certain reasons, such as shielding of bone tissues or too similar imaging of the ultrasound transducer A and surrounding tissues, the distance among the ultrasound transducer A, the ultrasound transducer B and the ultrasound transducer C is considered to be fixed, and the coordinates of the ultrasound transducer A, namely the coordinates of the puncture needle head, can be back-pushed out through the identification of the coordinates of the ultrasound transducer B and the ultrasound transducer C, so that double insurance of the identification of the puncture needle head is realized.
2. According to the method and the device for ultrasound-guided puncture, for the judgment of whether a puncture needle head and a puncture needle tube are in an observation plane detected by an auxiliary ultrasound probe, only if an ultrasound transducer A, an ultrasound transducer B and an ultrasound transducer C are imaged on an imaging screen of auxiliary ultrasound equipment at the same time, the ultrasound transducer A, the ultrasound transducer B and the ultrasound transducer C can be shown to be in the observation plane, if only one or two of the ultrasound transducers can be seen, the puncture needle head or the puncture needle tube part corresponding to the rest of the transducers deviates from the observation plane, so that the risk of medical accidents is caused, and the puncture path should be adjusted in time, so that the three transducers are brought into the observation plane again.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view showing the inner structure of the puncture needle tube of the present invention.
In the figure: 1. puncturing a needle tube; 2. a puncture needle head; 3. an ultrasonic transducer A; 4. an ultrasonic transducer B; 5. an ultrasonic transducer C; 6. an ultrasonic beam; 7. an auxiliary ultrasound probe; 8. a metal guide rod; 9. an ultrasonic transmitting and receiving device; 10. an imaging screen of an auxiliary ultrasound device; 11. a fixing frame.
Detailed Description
Referring to fig. 1 to 2, the present invention provides a technical solution: an ultrasonic guide puncture device comprises a puncture needle tube 1, an imaging screen 10 and a fixing frame 11 of auxiliary ultrasonic equipment, wherein a puncture needle head 2 is arranged at one end of the puncture needle tube 1, ultrasonic transducers B4 and C5 are sequentially distributed in the puncture needle tube 1 from bottom to top, an ultrasonic transducer A3 is arranged in the puncture needle head 2, the ultrasonic transducers B4 and C5 are connected with a metal guide rod 8, the metal guide rod 8 is also arranged in the puncture needle tube 1, the fixing frame 11 is connected to the metal guide rod 8 and the top end of the puncture needle tube 1, the metal guide rod 8 is connected with an ultrasonic emission and receiving device 9 through a lead, the imaging screen 10 of the auxiliary ultrasonic equipment is connected with an auxiliary ultrasonic probe 7 through a lead, the ultrasonic transducers B4 and C5 are distributed in the puncture needle tube 1 along a straight line, and the ultrasonic transducers A3 and B4, The ultrasonic transducer C5 is also positioned on the same straight line, the tip of the puncture needle head 2 is provided with a puncture inclined plane, the outer edge of the ultrasonic transducer A3 is flush with the puncture inclined plane, the distance between the ultrasonic transducer A3 and the ultrasonic transducer B4 is 5mm, and the distance between the ultrasonic transducer B4 and the ultrasonic transducer C5 is also 5 mm;
the operation is as follows, firstly, the ultrasonic transducer A3, the ultrasonic transducer B4 and the ultrasonic transducer C5 are piezoelectric micromechanical ultrasonic transducers made of a PMUT material, which is a MEMS device that vibrates a piezoelectric film through the positive and reverse piezoelectric effect of the piezoelectric material so as to transmit or receive ultrasonic signals, when the PMUT is used for transmitting ultrasonic waves, the PMUT is an actuator, when the PMUT is used for receiving ultrasonic waves, the PMUT is a sensor, in the invention, the three ultrasonic transducers can adopt single-array element transducers with lower cost, wherein the ultrasonic transducer A3 is arranged inside the puncture needle head 2, but the ultrasonic transducer A3 is connected with the end part connected with the metal guide rod 8, then the auxiliary ultrasonic equipment is operated, an ultrasonic observation plane is displayed on the imaging screen 10 of the auxiliary ultrasonic equipment through the auxiliary ultrasonic probe 7, and then the ultrasonic beam 6 emitted by the auxiliary ultrasonic equipment is transmitted to the ultrasonic transducer A3, The ultrasonic transducer B4 and the ultrasonic transducer C5 are arranged on three transducers, namely, the transducer receives the ultrasonic signal through the ultrasonic transmitting and receiving device 9 and sends the ultrasonic signal with different frequencies through the ultrasonic transmitting and receiving device 9, the ultrasonic signal with different frequencies is received by the auxiliary ultrasonic device and is distinguished and displayed on the imaging screen 10 of the auxiliary ultrasonic device, because the outer edge of the ultrasonic transducer A3 is flush with the puncture inclined plane, the position of the needle point side of the puncture needle 2 can be deduced through the position of the ultrasonic transducer A3 displayed on the imaging screen 10 of the auxiliary ultrasonic device, then if the identification of the puncture needle 2 is difficult due to some reasons, such as occlusion of bone tissue or over similarity of imaging of the ultrasonic transducer A3 and surrounding tissues, the distance among the ultrasonic transducer A3, the ultrasonic transducer B4 and the ultrasonic transducer C5 is fixed, the double insurance of the identification of the puncture needle head 2 can be realized by identifying the coordinates of the ultrasonic transducer A3, namely the coordinates of the puncture needle head 2, of the ultrasonic transducers B4 and C5, then, as for the judgment of whether the puncture needle head 2 and the puncture needle tube 1 are in the observation plane detected by the auxiliary ultrasonic probe 7, only if the ultrasonic transducer A3, the ultrasonic transducer B4 and the ultrasonic transducer C5 are imaged on the imaging screen 10 of the auxiliary ultrasonic device at the same time, it can be shown that the ultrasonic transducer A3, the ultrasonic transducer B4 and the ultrasonic transducer C5 are all in the observation plane, if only one or two transducers can be seen, the puncture needle head 2 or the puncture needle tube 1 corresponding to the rest transducers are deviated from the observation plane, so that the risk of medical accidents is caused, and the puncture path of the puncture needle is timely adjusted, so that the three transducers are newly included in the observation plane.
As shown in fig. 2, the surface of the puncture needle tube 1 is embedded with glass, and the glass position coincides with the ultrasonic transducer B4 and the ultrasonic transducer C5;
the embedded position of the glass coincides with the ultrasonic transducer B4 and the ultrasonic transducer C5, the metal shell of the puncture needle tube 1 is replaced by the glass, and the puncture needle tube 1 can be supported by the hardness of the glass, and the attenuation coefficient of ultrasonic signals is small, so that the influence on the ultrasonic transducer B4 and the ultrasonic transducer C5 for receiving and transmitting ultrasonic waves is small, and the transmission of ultrasonic beams 6 is facilitated.
A method of ultrasonically guiding a lancing device comprises the following operational steps:
s1, taking an auxiliary ultrasonic device to make the device normally operate and start B-mode imaging, and making the device emit stable ultrasonic beam 6;
s2, an ultrasonic beam 6 emitted by the auxiliary ultrasonic equipment is irradiated on an ultrasonic transducer A3, an ultrasonic transducer B4 and an ultrasonic transducer C5, and the ultrasonic transducer A3, the ultrasonic transducer B4 and the ultrasonic transducer C5 can receive ultrasonic signals and can also emit ultrasonic signals;
after the ultrasonic signals received by the ultrasonic transducer A3, the ultrasonic transducer A3, the ultrasonic transducer B4 and the ultrasonic transducer C5 are obtained by the control system in the ultrasonic transmitting and receiving device 9, the ultrasonic transducer A3, the ultrasonic transducer B4 and the ultrasonic transducer C5 can send out ultrasonic signals with different frequencies in the mode of the auxiliary ultrasonic device B;
the ultrasonic signals sent by the S4, the ultrasonic transducer A3, the ultrasonic transducer B4 and the ultrasonic transducer C5 are displayed in the imaging screen 10 of the auxiliary ultrasonic device;
s5, through the display ultrasonic observation plane of the auxiliary ultrasonic probe 7 on the imaging screen 10 of the auxiliary ultrasonic equipment and the different display of the ultrasonic transducer A3, the ultrasonic transducer B4 and the ultrasonic transducer C5 on the imaging screen 10 of the auxiliary ultrasonic equipment, the position of the puncture needle head 2 can be accurately obtained, and the position of the puncture needle tube 1 is synchronously displayed;
s6, judging whether the whole puncture needle deviates from an ultrasonic observation plane in the puncture process through judging three points and a line of the ultrasonic transducer A3, the ultrasonic transducer B4 and the ultrasonic transducer C5, and planning an optimal puncture path in real time.
In the step S6, the whole puncture needle consists of a puncture needle tube 1, a puncture needle head 2, an ultrasonic transducer A3, an ultrasonic transducer B4 and an ultrasonic transducer C5.
A method of ultrasonically guiding a lancing device further comprises the following operational steps:
s7, when the ultrasonic transducer A3, the ultrasonic transducer B4 and the ultrasonic transducer C5 are clearly seen on the imaging screen 10 of the auxiliary ultrasonic device at the same time, the plane where the whole puncture needle is located and the ultrasonic observation plane scanned by the auxiliary ultrasonic probe 7 can be considered to be in the same plane, and whether the puncture needle deviates from the ultrasonic observation plane can be immediately judged according to the imaging screen 10 of the auxiliary ultrasonic device.
In the step S7, it can be shown that all three transducers are in the ultrasound observation plane only by clearly seeing the ultrasound transducer A3, the ultrasound transducer B4, and the ultrasound transducer C5 at the same time, and if it cannot be seen at the same time, it can be shown that only one or two transducers are seen, it can be shown that the puncture needle tube 1 or the puncture needle head 2 corresponding to the remaining transducers have partially deviated from the observation plane, which has a risk of causing a medical accident.
In summary, the ultrasound-guided puncture method and apparatus are used, first, the three transducers of the ultrasound transducer A3, the ultrasound transducer B4 and the ultrasound transducer C5 are piezoelectric micromechanical ultrasound transducers made of PMUT material, which is a MEMS device that vibrates a piezoelectric film by the positive and negative piezoelectric effect of the piezoelectric material to transmit or receive an ultrasound signal, when the PMUT is used to transmit an ultrasound wave, it is an actuator, when the PMUT is used to receive an ultrasound wave, it is a sensor, and in the present invention, the three ultrasound transducers A3, B4 and C5 can adopt single-element transducers with lower cost.
Then, the auxiliary ultrasonic equipment is operated, and an observation plane is displayed on an imaging screen 10 of the auxiliary ultrasonic equipment through the auxiliary ultrasonic probe 7;
then the ultrasonic beam 6 emitted by the auxiliary ultrasonic equipment is transmitted to three transducers of an ultrasonic transducer A3, an ultrasonic transducer B4 and an ultrasonic transducer C5, the transducers receive the ultrasonic signals through an ultrasonic transmitting and receiving device 9 and emit ultrasonic signals with different frequencies through the ultrasonic transmitting and receiving device 9, the ultrasonic signals with different frequencies are received by the auxiliary ultrasonic equipment and are respectively displayed on an imaging screen 10 of the auxiliary ultrasonic equipment, and the position of the needle point side of the puncture needle head 2 can be deduced through the position of the ultrasonic transducer A3 displayed on the imaging screen 10 of the auxiliary ultrasonic equipment at the moment because the outer edge of the ultrasonic transducer A3 is flush with the puncture inclined plane;
then if the identification of the puncture needle head 2 is difficult for some reasons, such as bone tissue shielding or the imaging of the ultrasonic transducer A3 and surrounding tissues are too similar, the double insurance of the identification of the puncture needle head 2 can be realized by identifying the coordinates of the ultrasonic transducer A3, namely the coordinates of the puncture needle head 2, by the coordinates of the ultrasonic transducer B4 and the ultrasonic transducer C5, considering that the distances among the ultrasonic transducer A3, the ultrasonic transducer B4 and the ultrasonic transducer C5 are fixed;
finally, for the judgment of whether the puncture needle head 2 and the puncture needle tube 1 are in the observation plane detected by the auxiliary ultrasonic probe 7, only if the ultrasonic transducer A3, the ultrasonic transducer B4 and the ultrasonic transducer C5 are imaged on the imaging screen 10 of the auxiliary ultrasonic device at the same time, it can be shown that the ultrasonic transducer A3, the ultrasonic transducer B4 and the ultrasonic transducer C5 are all in the observation plane, if only one or two of the ultrasonic transducers can be seen, it is shown that the puncture needle head 2 or the puncture needle tube 1 corresponding to the rest of the transducers has deviated from the observation plane, which may cause medical accidents, and the puncture path of the puncture needle tube 1 should be adjusted in time, so that the three transducers are brought into the observation plane again.
Claims (9)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110995725.9A CN113693689A (en) | 2021-08-27 | 2021-08-27 | Method and device for ultrasound-guided puncture |
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| CN202110995725.9A CN113693689A (en) | 2021-08-27 | 2021-08-27 | Method and device for ultrasound-guided puncture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118177936A (en) * | 2024-05-15 | 2024-06-14 | 经方精密医疗（深圳）有限公司 | Ultrasonic guided tissue piercing sampling device and method of operation thereof |
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2021
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| US6336899B1 (en) * | 1998-10-14 | 2002-01-08 | Kabushiki Kaisha Toshiba | Ultrasonic diagnosis apparatus |
| CN101555450A (en) * | 2008-04-08 | 2009-10-14 | 清华大学 | Ultrasonic device for realizing inner injection and attraction of single cell or tissue block |
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Application publication date: 20211126 |