CN220001878U - Angle adjusting device of puncture needle - Google Patents
Angle adjusting device of puncture needle Download PDFInfo
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- CN220001878U CN220001878U CN202320369086.XU CN202320369086U CN220001878U CN 220001878 U CN220001878 U CN 220001878U CN 202320369086 U CN202320369086 U CN 202320369086U CN 220001878 U CN220001878 U CN 220001878U
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- 239000000523 sample Substances 0.000 claims abstract description 70
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
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- 238000003384 imaging method Methods 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
- 206010028980 Neoplasm Diseases 0.000 description 2
- 238000001574 biopsy Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 206010006187 Breast cancer Diseases 0.000 description 1
- 208000026310 Breast neoplasm Diseases 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
- 210000005075 mammary gland Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 210000001685 thyroid gland Anatomy 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000012285 ultrasound imaging Methods 0.000 description 1
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Abstract
The utility model relates to an angle adjusting device of a puncture needle, which comprises an ultrasonic probe puncture frame, an angle guiding module and an ultrasonic image transmission module; the ultrasonic probe puncture frame comprises an ultrasonic probe puncture frame body, a puncture needle fixing and adjusting frame and an ultrasonic probe puncture frame gear, wherein the ultrasonic probe puncture frame body is provided with a first end and a second end, the second end is provided with an arc-shaped guide rail, one end of the puncture needle fixing and adjusting frame is rotatably connected with the first end, the other end of the puncture needle fixing and adjusting frame is provided with a puncture needle fixing hole corresponding to the shape of the puncture needle, and the puncture needle fixing and adjusting frame is slidably connected with the arc-shaped guide rail through the ultrasonic probe puncture frame gear; the angle guiding module comprises a measuring part, a potentiometer and a microcontroller, wherein the measuring part is fixed on the ultrasonic probe puncture frame, the potentiometer is fixed on the first end, and the microcontroller is connected with the potentiometer. Compared with the prior art, the method has the advantages of wide application range, high accuracy and the like.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to an angle adjusting device of a puncture needle.
Background
The vacuum minimally invasive rotary cutting operation under the guidance of ultrasound has low cost, small damage and no radiation protection, is widely used for biopsy of suspected malignant lesions of thyroid and mammary glands and excision of partial benign tumor, and has diagnosis and treatment functions. The biopsy is carried out on the tumor which is smaller and developed in the early stage, the fine needle puncture technology is a better choice, and the method has the advantages of small damage, no scar and the like, and is mainly applied to the treatment of the breast tumor with smaller limitation.
In actual operation, the puncture needle point is visible only on the ultrasonic image plane, so that the position information of the puncture needle point is lost due to the fact that the puncture needle point deviates from the ultrasonic inspection plane, an operator with rich experience is required to accurately puncture the target, and the difficulty for a novice operator to accurately move the needle point to the target is high.
At present, two clinically corresponding technical schemes are provided: the optical navigation positioning system and the electromagnetic positioning system are used, and the optical positioning system has high accuracy, complex technical difficulty and poor portability and is difficult to be used in clinic. Electromagnetic positioning systems are susceptible to magnetic field interference and are expensive and difficult to use widely in clinic.
Disclosure of Invention
The utility model aims to overcome the defects of complex technical difficulty, poor portability or poor anti-interference capability and high price of a positioning system in the prior art and provides an angle adjusting device of a puncture needle.
The aim of the utility model can be achieved by the following technical scheme:
the angle adjusting device of the puncture needle is characterized by comprising an ultrasonic probe puncture frame and an angle guiding module;
the ultrasonic probe puncture frame comprises an ultrasonic probe puncture frame body, a puncture needle fixing and adjusting frame and an ultrasonic probe puncture frame gear, wherein an ultrasonic probe is fixed on the ultrasonic probe puncture frame body, the ultrasonic probe puncture frame body is provided with a first end and a second end, an arc-shaped guide rail is arranged on the second end, one end of the puncture needle fixing and adjusting frame is rotatably connected with the first end, the other end of the puncture needle fixing and adjusting frame is provided with a puncture needle fixing hole corresponding to the shape of a puncture needle, and the puncture needle fixing and adjusting frame is connected with the arc-shaped guide rail in a sliding manner through the ultrasonic probe puncture frame gear;
the angle guiding module comprises a measuring part, a potentiometer and a microcontroller, wherein the measuring part is fixed on the ultrasonic probe puncture frame, the potentiometer is fixed on the first end, and the microcontroller is connected with the potentiometer.
Further, a guide sleeve is arranged on one side of the puncture needle fixing and adjusting frame, the shape of the guide sleeve is matched with that of the arc-shaped guide rail, the guide sleeve is in sliding connection with the arc-shaped guide rail, and the gear of the puncture frame of the ultrasonic probe is rotatably connected with the guide sleeve.
Further, one end of the puncture needle fixing and adjusting frame is rotatably fixed on the first end of the ultrasonic probe puncture frame body through a rivet.
Further, the puncture needle fixing hole is a semi-surrounding fixing hole, and the puncture needle is in interference fit with the puncture needle fixing hole.
Further, the measuring component comprises a first measuring member and a second measuring member, wherein the first measuring member is fixed on the guide sleeve, and the second measuring member is fixed at one end, close to the puncture needle fixing and adjusting frame, of the ultrasonic probe puncture frame body.
Further, the ultrasonic image transmission module further comprises a hardware acquisition component, and the hardware acquisition component is respectively connected with the ultrasonic instrument and the upper computer.
Further, the potentiometer is a rotary resistance potentiometer.
Further, the ultrasonic probe puncture frame body comprises a support frame and a fixing frame, the support frame is a U-shaped frame, one end of the fixing frame is rotatably fixed on the support frame, the other end of the fixing frame is detachably fixed on the support frame, and the support frame and the fixing frame form a fixing frame matched with the ultrasonic probe.
Further, one end of the fixing frame is rotatably fixed on the supporting frame through hinging.
Further, the other end of the fixing frame is detachably fixed on the supporting frame through bolts.
Compared with the prior art, the utility model has the following advantages:
(1) According to the scheme, one end of the puncture needle fixing and adjusting frame is rotatably connected with the ultrasonic probe puncture frame body, and the other end of the puncture needle fixing and adjusting frame can move along the arc-shaped guide rail through the ultrasonic probe puncture frame gear, so that the included angle between the puncture needle and an ultrasonic probe imaging target on the puncture needle fixing and adjusting frame is changed. Simultaneously, the included angle degree between the puncture needle and the datum line is fed back on the display screen in real time through the measuring part and the potentiometer, and an operator adjusts the fed back included angle degree through the ultrasonic probe puncture frame gear, so that the puncture needle can pass through the target. The real-time feedback of the included angle degree between the puncture needle and the datum line is combined and displayed on the display screen, the included angle degree is further conveniently adjusted through the ultrasonic probe puncture frame gear, the puncture needle adjusting difficulty is reduced, the application range and the practicability of the puncture needle adjusting device are increased, and meanwhile, the real-time feedback of the angle measuring device further improves the operability of the device and the angle accuracy in the adjusting process.
(2) According to the scheme, the state of the target is fed back in real time through the image, the system has the image guiding needle point positioning function, the moving path of the puncture needle can be pre-displayed, an operator can conveniently determine the optimal entry point position and the optimal entry direction of the puncture needle, the success rate of the puncture needle passing through the target is also improved, and the regulation mode of the puncture needle is more accurate and stable.
Drawings
Fig. 1 is a schematic structural view of an ultrasonic probe puncture frame provided by the utility model;
FIG. 2 is a schematic diagram of a manner of determining an included angle of a puncture needle according to the present utility model;
FIG. 3 is a schematic view of an ultrasonic probe according to the present utility model mounted on an ultrasonic probe penetration frame;
fig. 4 is a schematic diagram of a local enlarged structure of an ultrasonic probe puncture frame provided by the utility model;
in the figure: 1. an ultrasonic probe puncture frame body, 2 puncture needle fixing and adjusting frames, 3 ultrasonic probe puncture frame gears, 4, a first end, 5, a second end, 6 and a potentiometer, 7, a datum line, 8, an ultrasonic probe, 9, a puncture needle, 10, a clamping line, 11, an ultrasonic plane, 12, a needle advance route, 13, a supporting frame, 14 and a fixing frame.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Example 1
1-4, an angle adjusting device of a puncture needle comprises an ultrasonic probe puncture frame, an angle guiding module and an ultrasonic image transmission module;
the ultrasonic probe puncture frame comprises an ultrasonic probe puncture frame body 1, a puncture needle fixing and adjusting frame and an ultrasonic probe puncture frame gear 3, wherein the ultrasonic probe puncture frame body 1 is provided with a first end 4 and a second end 5, the second end 5 is provided with an arc-shaped guide rail, one end of the puncture needle fixing and adjusting frame is rotatably connected with the first end 4, the other end of the puncture needle fixing and adjusting frame is provided with a puncture needle fixing hole corresponding to the shape of a puncture needle, and the puncture needle fixing and adjusting frame is in sliding connection with the arc-shaped guide rail through the ultrasonic probe puncture frame gear 3;
the angle guiding module comprises a measuring component, a potentiometer 6 and a microcontroller, wherein the measuring component is fixed on the ultrasonic probe puncture frame, the potentiometer 6 is fixed on the first end 4, and the microcontroller is connected with the potentiometer 6;
the ultrasonic image transmission module comprises an ultrasonic instrument and an upper computer, wherein the ultrasonic instrument is connected with the upper computer, and the upper computer is connected with the microprocessor.
Working principle: acquiring an ultrasonic image of a target through an ultrasonic instrument, transmitting the acquired ultrasonic image to an upper computer by the ultrasonic instrument, and displaying the frame rate and the resolution of the ultrasonic image on a display; then, the upper computer transmits frame rate data of the ultrasonic image to the microcontroller, the microcontroller transmits angle information of the puncture needle to the upper computer, and the upper computer obtains angle guiding data of the puncture needle and the ultrasonic image thereof and then dynamically obtains dynamic data of the rotation angle of the puncture needle on the ultrasonic probe puncture frame; the direction and the position of the puncture needle are adjusted by observing the ultrasonic image displayed on the display screen in real time and the pre-puncture path of the puncture needle, and the puncture path is determined to pass through the puncture target.
According to the scheme, one end of the puncture needle fixing and adjusting frame is rotatably connected with the ultrasonic probe puncture frame body, and the other end of the puncture needle fixing and adjusting frame can move along the arc-shaped guide rail through the ultrasonic probe puncture frame gear, so that the included angle between the puncture needle and an ultrasonic probe imaging target on the puncture needle fixing and adjusting frame is changed. Simultaneously, the included angle degree between the puncture needle and the datum line is fed back on the display screen in real time through the measuring part and the potentiometer, and an operator adjusts the fed back included angle degree through the ultrasonic probe puncture frame gear, so that the puncture needle can pass through the target. The real-time feedback of the included angle degree between the puncture needle and the datum line is combined and displayed on the display screen, the included angle degree is further conveniently adjusted through the ultrasonic probe puncture frame gear, the puncture needle adjusting difficulty is reduced, the application range and the practicability of the puncture needle adjusting device are increased, and meanwhile, the real-time feedback of the angle measuring device further improves the operability of the device and the angle accuracy in the adjusting process.
According to the scheme, the state of the target is fed back in real time through the image, the system has the image guiding needle point positioning function, the moving path of the puncture needle can be pre-displayed, an operator can conveniently determine the optimal entry point position and the optimal entry direction of the puncture needle, the success rate of the puncture needle passing through the target is also improved, and the regulation mode of the puncture needle is more accurate and stable.
One side of the puncture needle fixing and adjusting frame is provided with a guide sleeve, the shape of the guide sleeve is matched with that of the arc-shaped guide rail, the guide sleeve is in sliding connection with the arc-shaped guide rail, and the gear 3 of the puncture frame of the ultrasonic probe is rotatably connected with the guide sleeve.
One end of the puncture needle fixing and adjusting frame is rotatably fixed on the first end 4 of the ultrasonic probe puncture frame body 1 through a bolt.
In the scheme, one end of the puncture needle fixing and adjusting frame is rotatably fixed, the other end of the puncture needle fixing and adjusting frame can only move along the path of the arc-shaped guide rail through the guide sleeve, and meanwhile, the matching precision of the guide sleeve and the arc-shaped guide rail is improved, so that only one degree of freedom exists between the arc-shaped guide rail and the guide sleeve, and the accuracy of angle adjustment of the puncture needle is ensured.
The puncture needle fixing hole is a semi-surrounding fixing hole, and the puncture needle is in interference fit with the puncture needle fixing hole.
According to the scheme, the puncture needle fixing holes are designed into the semi-enclosed clamping positions, the purpose of fixing the puncture needle is achieved through interference fit, meanwhile, the puncture needle can do angular deflection in all directions and movement in the direction of the central axis through the semi-enclosed clamping position structure, and the flexibility of movement of the puncture needle is improved while the accuracy of the puncture needle is guaranteed.
The measuring component comprises a first measuring member and a second measuring member, wherein the first measuring member is fixed on the guide sleeve, and the second measuring member is fixed at one end, close to the puncture needle fixing and adjusting frame, of the ultrasonic probe puncture frame body 1.
The potentiometer sensor in the angle guiding module can be replaced by other sensors capable of measuring angles, such as a gyroscope and the like, according to requirements, and the angle guiding module is not limited.
The ultrasonic image transmission module also comprises a hardware acquisition component which is respectively connected with the ultrasonic instrument and the upper computer.
In the scheme, the hardware acquisition component is arranged between the upper computer and the ultrasonic instrument, and the hardware acquisition component transmits the real-time ultrasonic image acquired again from the ultrasonic instrument to the upper computer, so that the device can acquire the image in the ultrasonic instrument in real time.
The potentiometer 6 is a rotary resistance potentiometer.
In this embodiment, the frame body 1 of the ultrasonic probe puncture frame includes a support frame 13 and a fixing frame 14, the support frame 13 is a U-shaped frame, one end of the fixing frame 14 is rotatably fixed on the support frame 13, the other end is detachably fixed on the support frame 13, and the support frame 13 and the fixing frame 14 form a fixing frame matched with the ultrasonic probe 8.
One end of the fixing frame 14 is rotatably fixed on the supporting frame 13 through a hinge. The other end of the fixing frame 14 is detachably fixed on the supporting frame 13 through bolts.
The embodiment also provides a specific process of determining the angle of the puncture needle:
after the puncture needle 9 and the puncture frame are fixed, a straight line on the center point of the puncture frame of the ultrasonic probe 8 is used as a datum line 7 of the ultrasonic probe. The relationship between the reference line 7 on the ultrasonic probe puncture frame and the central axis of the puncture needle reflects the relationship between the ultrasonic probe 8 and the puncture needle 9. In ultrasound imaging, the position of the ultrasound image imaging plane 12 relative to the human tissue and object is the examination plane of the ultrasound probe 8, as shown in fig. 3. The position where the datum line 7 coincides with the plane where the puncture needle 9 is located is a clamping line 10, the clamping line 10 is taken as a central axis, the included angle formed by the puncture needle 9 and the datum line 7 is the included angle to be measured, and meanwhile, the numerical value of the dynamic angle of the guide line of the puncture needle 9 is displayed on a display screen of an upper computer in real time, and the needle advancing route 12 of the puncture needle is displayed. The positions of the ultrasonic plane 11 and the advancing needle path 12, i.e. the position where the central axis of the puncture needle 9 is located, may be set to different colors, for example, the puncture plane 11 is set to red, and the advancing needle path 12 is set to green, so that not only the pre-puncture path 10 is clearer, but also whether the advancing needle path 12 is on the ultrasonic plane may be judged according to the puncture path color.
The puncture target needs to be found on the ultrasonic plane displayed in real time, the direction and the position of the puncture needle are adjusted, and the puncture path is determined. When the needle tip of the puncture needle enters the ultrasonic plane, whether the puncture needle can pass through the puncture target or not is observed on the real-time display of the ultrasonic plane through the display.
The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (10)
1. The angle adjusting device of the puncture needle is characterized by comprising an ultrasonic probe puncture frame and an angle guiding module;
the ultrasonic probe puncture frame comprises an ultrasonic probe puncture frame body (1), a puncture needle fixing and adjusting frame (2) and an ultrasonic probe puncture frame gear (3), an ultrasonic probe (8) is fixed on the ultrasonic probe puncture frame body (1), the ultrasonic probe puncture frame body (1) is provided with a first end (4) and a second end (5), an arc-shaped guide rail is arranged on the second end (5), one end of the puncture needle fixing and adjusting frame (2) is rotatably connected with the first end (4), the other end of the puncture needle fixing and adjusting frame is provided with a puncture needle fixing hole corresponding to the shape of a puncture needle, and the puncture needle fixing and adjusting frame (2) is slidably connected with the arc-shaped guide rail through the ultrasonic probe puncture frame gear (3);
the angle guiding module comprises a measuring part, a potentiometer (6) and a microcontroller, wherein the measuring part is fixed on the ultrasonic probe puncture frame, the potentiometer (6) is fixed on the first end (4), and the microcontroller is connected with the potentiometer (6).
2. The angle adjusting device of the puncture needle according to claim 1, wherein a guide sleeve is arranged on one side of the puncture needle fixing adjusting frame (2), the shape of the guide sleeve is matched with that of the arc-shaped guide rail, the guide sleeve is in sliding connection with the arc-shaped guide rail, and the gear (3) of the puncture frame of the ultrasonic probe is rotatably connected with the guide sleeve.
3. The angle adjusting device of the puncture needle according to claim 1, wherein one end of the puncture needle fixing adjusting frame (2) is rotatably fixed on the first end (4) of the ultrasonic probe puncture frame body (1) through a rivet.
4. The angle adjusting device of a puncture needle according to claim 1, wherein the puncture needle fixing hole is a semi-enclosed fixing hole, and the puncture needle is in interference fit with the puncture needle fixing hole.
5. The angle adjusting device of a puncture needle according to claim 1, characterized in that the measuring means comprises a first measuring member and a second measuring member, the first measuring member is fixed on the guide sleeve, and the second measuring member is fixed on the ultrasonic probe puncture frame body (1) near one end of the puncture needle fixing adjusting frame (2).
6. The angle adjusting device of the puncture needle according to claim 1, further comprising an ultrasonic image transmission module, wherein the ultrasonic image transmission module further comprises a hardware acquisition component, and the hardware acquisition component is respectively connected with the ultrasonic instrument and the upper computer.
7. The angle adjusting device of a puncture needle according to claim 1, characterized in that the potentiometer (6) is a rotary resistor potentiometer.
8. The angle adjusting device of a puncture needle according to claim 1, wherein the frame body (1) of the puncture needle of the ultrasonic probe comprises a support frame (13) and a fixing frame (14), the support frame (13) is a U-shaped frame, one end of the fixing frame (14) is rotatably fixed on the support frame (13), the other end of the fixing frame is detachably fixed on the support frame (13), and the support frame (13) and the fixing frame (14) form a fixed frame matched with the ultrasonic probe (8).
9. An angle adjusting device of a puncture needle according to claim 8, characterized in that one end of the fixing frame (14) is rotatably fixed to the supporting frame (13) by means of a hinge.
10. The angle adjusting device of a puncture needle according to claim 9, characterized in that the other end of the fixing frame (14) is detachably fixed on the supporting frame (13) by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320369086.XU CN220001878U (en) | 2023-03-02 | 2023-03-02 | Angle adjusting device of puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320369086.XU CN220001878U (en) | 2023-03-02 | 2023-03-02 | Angle adjusting device of puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220001878U true CN220001878U (en) | 2023-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320369086.XU Active CN220001878U (en) | 2023-03-02 | 2023-03-02 | Angle adjusting device of puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220001878U (en) |
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2023
- 2023-03-02 CN CN202320369086.XU patent/CN220001878U/en active Active
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