CN203000987U - Pressure sensing ultrasonic probe used for elastic imaging - Google Patents
Pressure sensing ultrasonic probe used for elastic imaging Download PDFInfo
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- CN203000987U CN203000987U CN 201220737023 CN201220737023U CN203000987U CN 203000987 U CN203000987 U CN 203000987U CN 201220737023 CN201220737023 CN 201220737023 CN 201220737023 U CN201220737023 U CN 201220737023U CN 203000987 U CN203000987 U CN 203000987U
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Abstract
The utility model relates to a pressure sensing ultrasonic probe used for elastic imaging. The pressure sensing ultrasonic probe used for the elastic imaging comprises a probe core portion, a handle, a probe seat, a linear motor, a sliding shaft, a sliding bearing, a pressure sensor and a spring, wherein the probe core portion is connected with an output shaft of the linear motor by the sliding shaft. Force does not need exerting manually only the handle is held by a hand, and the probe core portion is easily kept to be always contacted with a detection portion, so that work intensity of a doctor is relieved, the problem of interrupted elastic imaging due to the fact that the probe core portion is separated from the detection portion is solved. Meanwhile, acting force of the linear motor is perpendicular to the surface of the probe core portion, so that quality of the elastic imaging is improved. In addition, due to the fact that the pressure sensor is arranged on the back of the probe core portion, so that stressed conditions of the detection portion are accurately detected, and elastic modulus of the detection portion is well reflected, and elastic difference between the detection portion and the periphery is accurately judged.
Description
Technical field
This utility model relates to a kind of ultrasonic probe, relates in particular to a kind of pressure sensitive ultrasonic probe for elastogram.
Background technology
In the ultrasonic elastograph imaging process, usually need to adopt the ultrasonic hand-held probe, present ultrasonic hand-held probe generally comprises probe core and handle, and an end of handle is connected with the probe core.When carrying out ultrasonic elastograph imaging, check the doctor need ceaselessly apply along Handle axis to vibration power, make the probe core vibrate by a small margin to satisfy the requirement of elastogram, its working strength is very large, and is easily tired and cause the error of other side.In addition, because the probe core directly is connected with handle, be difficult to control, when vibrating by a small margin, the probe core easily breaks away from check point, causes elastogram interrupted, affects the elastogram quality; Also have, after the probe core breaks away from check point, be difficult to guarantee the application of force direction of extruding next time and the Surface Vertical of probe core, also caused the decline of elastogram quality.
In addition, in order more accurately to judge the pathological changes situation of check point, normal employing at present calculates the Young's modulus of each point on check point by the pressure of measuring probe core.but, present measurement for pressure, normally pressure transducer is arranged on the periphery of probe core, the flush of pressure transducer and probe core, the probe core contacts check point simultaneously with pressure transducer, check point is pushed, for example, the application people is Tsing-Hua University, application number is in 200410070616.2 a Chinese invention patent application, a kind of balancing side pressure device of ultrasonic elastograph imaging is disclosed, this device comprises that an extruding is dull and stereotyped, a Type B ultrasonic probe, N pressure transducer, N 〉=3, a multi-channel data acquisition board and a computer, this Type B ultrasonic probe and N pressure transducer are arranged on this extruding flat board upward and flush with the front surface of this extruding flat board, this Type B ultrasonic probe is positioned at the middle part of stripper plate, this N pressure transducer is distributed in around this probe, the outfan of each pressure transducer is connected with a passage of multi-channel data acquisition board, and this multi-channel data acquisition board is plugged on the motherboard of this computer.This application utilizes a plurality of pressure transducers to adjust the direction of tissue compression and the size of decrement, to guarantee the precision of ultrasonic elastograph imaging.
Though above-mentioned this ultrasonic probe can be measured the pressure of probe core, but still have following defective: the real area of (1) probe is larger than the area of probe core, the area of the contact area rate probe core of check point is large, when the area of check point hour, can't judge exactly the elastic difference of check point and periphery; (2) in a single day depart from direction perpendicular to the probe core surface when pressure, the pressure of some point on check point can't be detected, have the pressure blind area.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of pressure sensitive ultrasonic probe for elastogram, this pressure sensitive ultrasonic probe for elastogram can alleviate the working strength that checks the doctor, and avoid the intermittent problem of elastogram, improve the quality of elastogram, and can judge more accurately the elastic difference of check point and periphery.The technical scheme that adopts is as follows:
The pressure sensitive ultrasonic probe that is used for elastogram comprises probe core and handle, it is characterized in that: also comprise probe socket, linear electric motors, sliding axle, sliding bearing, pressure transducer and spring; Probe socket is provided with the sensor cavity, and the first sliding channel that runs through the probe socket upper and lower surface; Sliding bearing is arranged in the first sliding channel; The probe core is in the below of probe socket, and sliding axle is in sliding bearing, and the lower end of sliding axle is connected with the probe core; Linear electric motors are arranged on probe socket, and the output shaft of linear electric motors is connected with the upper end of sliding axle; Pressure transducer and spring all are in the sensor cavity, and the two ends of spring are connected with probe socket, pressure transducer upper end respectively, and the lower end of pressure transducer is connected with the probe core; Handle is arranged on the top of probe socket.
During use, as long as with the hand-held handle of stopping, the core of popping one's head in is attached on check point, linear electric motors apply vertically vibration power to sliding axle, make the probe core paste check point always and vibrate by a small margin, the pressure transducer that is arranged between probe core and spring is directly measured the pressure that the probe core is subject to.Due to as long as with the hand-held handle of stopping, need not manual force, be easy to keep the probe core to contact with check point, and greatly alleviate the working strength that checks the doctor, increase work efficiency, avoid the error that causes other side because of tired; Vibrate by a small margin because the probe core is pasting check point always, therefore, avoided breaking away from because of the probe core elastogram intermittent problem that check point causes; And the direction of exerting pressure due to linear electric motors is vertical with the probe core surface, has improved the quality of elastogram; In addition, be set to the back side of probe core due to pressure transducer, the contact area of check point equates with the area of probe core surface on the one hand, what overstocked force transducer collected on the other hand is the average pressure of whole probe core surface, there is not the pressure blind area, detect more accurately the stressing conditions of check point, reflect better the elastic modelling quantity of check point, in order to judge more accurately the elastic difference of check point and periphery.
As preferred version of the present utility model, described handle is provided with the second sliding channel, and the second sliding channel communicates with the first sliding channel, and the upper end of sliding axle extend in the second sliding channel; Linear electric motors are arranged on handle.The second sliding channel is set on handle, and linear electric motors are installed on handle, that is to say that linear electric motors are arranged on probe socket by handle, structure is compacter, the thickness of probe socket can mounting spring and pressure transducer as long as satisfy, and further reduces the thickness of probe socket, makes whole device lighter and handier, easy to operate, flexible, and reduce manufacturing cost.
This utility model compared with prior art has following advantage:
Owing to being provided with the first sliding channel, sliding axle, spring and linear electric motors on probe socket, linear electric motors drive the probe core by sliding axle and do vibration by a small margin, as long as with the hand-held handle of stopping, need not manual force, be easy to keep the probe core to contact with check point always, alleviated the working strength that checks the doctor, avoided breaking away from because of the probe core elastogram intermittent problem that check point causes, and the active force that linear electric motors apply is vertical with the probe core surface, has improved the quality of elastogram; In addition, be set to the back side of probe core due to pressure transducer, the contact area of check point equates with the area of probe core surface on the one hand, what overstocked force transducer collected on the other hand is the average pressure of whole probe core surface, detect more accurately the stressing conditions of check point, the elastic modelling quantity that reflects better check point is in order to judge more accurately the elastic difference of check point and periphery.
Description of drawings
Fig. 1 is the structural representation of this utility model preferred implementation.
The specific embodiment
Be described further below in conjunction with accompanying drawing and preferred implementation of the present utility model.
As shown in Figure 1, this pressure sensitive ultrasonic probe for elastogram comprises probe core 1, handle 2, probe socket 3, linear electric motors 4, sliding axle 5, sliding bearing 6, pressure transducer 7 and spring 8; Probe socket 3 is provided with sensor cavity 9, and the first sliding channel 10 that runs through probe socket 3 upper and lower surfaces; Sliding bearing 6 is arranged in the first sliding channel 10; Probe core 1 is in the below of probe socket 3, and sliding axle 5 is in sliding bearing 6, and the lower end of sliding axle 5 is connected with probe core 1; Handle 2 is arranged on the top of probe socket 3; Handle 2 is provided with the second sliding channel 11, the second sliding channels 11 and communicates with the first sliding channel 10, and the upper end of sliding axle 5 extend in the second sliding channel 11; Linear electric motors 4 are arranged on handle 2; The output shaft 12 of linear electric motors 4 is connected with the upper end of sliding axle 5; Pressure transducer 7 and spring 8 all are in sensor cavity 9, and the two ends of spring 8 are connected with probe socket 3, pressure transducer 7 upper ends respectively, and the lower end of pressure transducer 7 is connected with probe core 1.
During use, as long as with the hand-held handle 2 of stopping, the core 1 of popping one's head in is attached on check point, 4 pairs of sliding axles 5 of linear electric motors apply vibration power vertically, make probe core 1 paste check point always and vibrate by a small margin, the pressure transducer 7 that is arranged between probe core 1 and spring 8 is directly measured the pressure that probe core 1 is subject to.As long as with the hand-held handle 2 of stopping, need not manual force, be easy to keep probe core 1 to contact with check point always, alleviated the working strength that checks the doctor, avoided breaking away from because of probe core 1 the elastogram intermittent problem that check point causes, and the active force that applies of linear electric motors 4 and probe core 1 Surface Vertical, improved the quality of elastogram; In addition, be set to the back side of probe core 1 due to pressure transducer 7, the contact area of one side check point equates with the area on probe core 1 surface, what overstocked force transducer 7 collected on the other hand is the average pressure on whole probe core 1 surface, detect more accurately the stressing conditions of check point, the elastic modelling quantity that reflects better check point is in order to judge more accurately the elastic difference of check point and periphery.
In addition; need to prove, the specific embodiment described in this description, its each several part titles etc. can be different; all equivalence or simple change of doing according to the described structure of this utility model patent design, feature and principle are included in the protection domain of this utility model patent.This utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, all should belong to protection domain of the present utility model.
Claims (2)
1. be used for the pressure sensitive ultrasonic probe of elastogram, comprise probe core and handle, it is characterized in that: also comprise probe socket, linear electric motors, sliding axle, sliding bearing, pressure transducer and spring; Probe socket is provided with the sensor cavity, and the first sliding channel that runs through the probe socket upper and lower surface; Sliding bearing is arranged in the first sliding channel; The probe core is in the below of probe socket, and sliding axle is in sliding bearing, and the lower end of sliding axle is connected with the probe core; Linear electric motors are arranged on probe socket, and the output shaft of linear electric motors is connected with the upper end of sliding axle; Pressure transducer and spring all are in the sensor cavity, and the two ends of spring are connected with probe socket, pressure transducer upper end respectively, and the lower end of pressure transducer is connected with the probe core; Handle is arranged on the top of probe socket.
2. the pressure sensitive ultrasonic probe for elastogram as claimed in claim 1, it is characterized in that: described handle is provided with the second sliding channel, and the second sliding channel communicates with the first sliding channel, and the upper end of sliding axle extend in the second sliding channel; Linear electric motors are arranged on handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220737023 CN203000987U (en) | 2012-12-28 | 2012-12-28 | Pressure sensing ultrasonic probe used for elastic imaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220737023 CN203000987U (en) | 2012-12-28 | 2012-12-28 | Pressure sensing ultrasonic probe used for elastic imaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203000987U true CN203000987U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220737023 Expired - Fee Related CN203000987U (en) | 2012-12-28 | 2012-12-28 | Pressure sensing ultrasonic probe used for elastic imaging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203000987U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264605A (en) * | 2016-08-04 | 2017-01-04 | 无锡海斯凯尔医学技术有限公司 | Vltrasonic device and the device of generation mechanical vibration |
| CN115308303A (en) * | 2021-05-07 | 2022-11-08 | 中国核工业二三建设有限公司 | Constant force device of pipe welding seam ultrasonic nondestructive testing probe |
-
2012
- 2012-12-28 CN CN 201220737023 patent/CN203000987U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264605A (en) * | 2016-08-04 | 2017-01-04 | 无锡海斯凯尔医学技术有限公司 | Vltrasonic device and the device of generation mechanical vibration |
| US11090028B2 (en) | 2016-08-04 | 2021-08-17 | Wuxi Hisky Medical Technologies Co., Ltd. | Ultrasonic device and device for generating mechanical vibration |
| CN115308303A (en) * | 2021-05-07 | 2022-11-08 | 中国核工业二三建设有限公司 | Constant force device of pipe welding seam ultrasonic nondestructive testing probe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 515041 No. 77 Jinsha Road, Guangdong, Shantou Patentee after: Shantou Ultrasonic Instrument Research Institute Co.,Ltd. Address before: 515041 No. 77 Jinsha Road, Jinping District, Guangdong, Shantou Patentee before: SHANTOU INSTITUTE OF ULTRASONIC INSTRUMENTS Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20211228 |