CN204318789U - A kind of control device of ultrasonic diagnostic equipment - Google Patents
A kind of control device of ultrasonic diagnostic equipment Download PDFInfo
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- CN204318789U CN204318789U CN201420668201.4U CN201420668201U CN204318789U CN 204318789 U CN204318789 U CN 204318789U CN 201420668201 U CN201420668201 U CN 201420668201U CN 204318789 U CN204318789 U CN 204318789U
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Abstract
A control device for ultrasonic diagnostic equipment, is characterized in that comprising Trackpad, trace ball, information output interface and priority setting unit; Information output interface comprises clash handle unit, clash handle unit has first information input, the second information input terminal and information output, first information input receives the information from Trackpad, second information input terminal receives the information from trace ball, and information output is for exporting control information; Clash handle unit also has priority data receiving port, and the outfan of priority setting unit is connected with priority data receiving port.This utility model has the advantage of Trackpad and trace ball concurrently, possesses simultaneously and accurately measures the operation with movement fast, make doctor no matter be accurate or moving cursor quickly, can realize easily.
Description
Technical field
This utility model relates to ultrasonic diagnostic equipment, is specifically related to a kind of control device of ultrasonic diagnostic equipment.
Background technology
The control device of ultrasonic diagnostic equipment is used for the demand of operation to pass to device systems, makes device systems perform corresponding action.
At present, the cursor of most ultrasonic diagnostic equipment moves, the action such as trace and menu upset all realized by trace ball.Trace ball comprises pedestal and ball, and wherein pedestal maintains static, and ball rolls on pedestal.Trace ball is located by the direction and speed of reading ball rolling, can stir ball to control the movement of cursor by direct hands.
The cursor of some ultrasonic diagnostic equipment moves, the action such as trace and menu upset is then all realized by Trackpad.Touch pad is a kind of on level and smooth Trackpad, utilizes the slide of finger can a kind of input equipment of moving cursor.The internal structure of touch pad is: the array making row and column with printed circuit board (PCB), covering surfaces plastics on printed circuit board (PCB).The induction Cleaning Principle of Trackpad is capacitance sensing, and its operation principle is: when the finger of user is near to or in contact with to making capacitance change during touch pad, the control IC of touch pad will detect capacitance change, finally capacitance change is converted to coordinate.Touch pad carrys out finger sensing situation of movement according to capacitance change, and finger motion track can ceaselessly be measured and report out to a special surface-mounted integrated circuit under touchpad surface, thus finds out action and the position of finger.
In actual use, after doctor uses ultrasonic diagnostic equipment acquisition effective image, the computing function of ultrasonic diagnostic equipment often will be used to measure the organ sites in image, and doctor needs a picture region sometimes, sometimes need to draw lines, the precision of this operation to cursor movement has high requirements.In addition, in ultrasonic system interface, be substantially divided into image-region and menu area, doctor think Zone switched or move in menu area time, need moving cursor quickly, this translational speed to cursor require also higher.
Be used alone the ultrasonic diagnostic equipment control device of trace ball, utilize trace ball to control cursor to move to carry out setting-out and picture frame, accurate positioning, cursor motion track is meticulous, can meet doctor carries out high accuracy trace user demand to lesion image, guarantees the accuracy measured, but, when needs move cursor on a large scale, trace ball needs to rotate a lot of circle, cannot adapt to the demand moving cursor fast.Be used alone the ultrasonic diagnostic equipment control device of Trackpad, because Trackpad remolding sensitivity is higher, finger can movement fast on the touch pad, can realize well moving on a large scale, but Trackpad is difficult to realize trickle movement accurately, when doctor will measure smaller part position in ultrasonoscopy, lines or region cannot be selected exactly, be difficult to realize accurately location and trace.In addition, the Nonlinear magnify of existing ultrasonic diagnostic equipment, reduce, the function such as rotation, great majority need to be realized by the button on its control panel, and repeatedly amplify, reduce and just need doctor repeatedly by the button of correspondence, efficiency is lower.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of control device of ultrasonic diagnostic equipment, this control device has the advantage of Trackpad and trace ball concurrently, moving cursor quickly on a large scale can either be realized, again can accurate mobile cursor, realize accurately location and trace.The technical scheme adopted is as follows:
A control device for ultrasonic diagnostic equipment, is characterized in that comprising Trackpad, trace ball, information output interface and priority setting unit; Information output interface comprises clash handle unit, clash handle unit has first information input, the second information input terminal and information output, first information input receives the information from Trackpad, second information input terminal receives the information from trace ball, and information output is for exporting control information; Clash handle unit also has priority data receiving port, and the outfan of priority setting unit is connected with priority data receiving port.
When only there being first information input to receive information, information from Trackpad exports as control information by information output; When only there being the second information input terminal to receive information, information from trace ball exports as control information by information output; When first information input and the second information input terminal all receive information, the priority of clash handle unit set by priority setting unit, information from Trackpad and the information from trace ball selected, and by information output, one of them is exported as control information.
When the finger of user is near to or in contact with to making capacitance change during touch pad, the control IC of touch pad will detect capacitance change, finally capacitance change is converted to coordinate; Touch pad carrys out finger sensing situation of movement according to capacitance change, and finger motion track can ceaselessly be measured and report out to a special surface-mounted integrated circuit under touchpad surface, thus find out action and the position of finger, and export cursor information (i.e. cursor mobile message).When the spin of manual control trace ball, spin drives the disk rotational on optical encoder by locating shaft, photocell will receive interrupted signal, the output level of photocell also produces height change thereupon, signal processing circuit compares selection to the low and high level signal received, and exports cursor information (i.e. cursor mobile message).The information that above-mentioned Trackpad exports comprises cursor information, and the information that trace ball exports is cursor information; The cursor information that Trackpad exports and the cursor information that trace ball exports are by after information output interface, and formation control information also exports; The cursor information that trace ball, Trackpad export exports software to by information output interface, after software processes, form content viewable and in ultrasonic main interface display out, realize the control (location, trace etc. as lesion image) etc. of regulating parameter (as supersonic frequency, the degree of depth etc.), ultrasonoscopy display.
In preferred version, above-mentioned control device also comprises definition of gesture data input cell (definition of gesture data input cell can adopt ultrasonic main interface to form), definition of gesture data input cell is connected with Trackpad by definition of gesture input interface, definition of gesture data input cell carries out definition of gesture to Trackpad, and carries out association to oneself gesture of definition.When finger slides on the touch pad, Trackpad carries out detection and location to contact and carries out track record to contact, after finger sliding stops, Trackpad according to the gesture of oneself definition gesture identification is carried out to contact track and output information to information output interface, if contact track mates to definition of gesture, export relevant gesture information, if do not find the gesture of coupling, export cursor information.In this case, the information that Trackpad exports can be cursor information or gesture information.When the gesture information from Trackpad exports as control information by information output interface, this gesture information is output to software, and after software processes, ultrasonic main interface is read the application associated by this gesture and performed corresponding operation, realizes gesture application.
The gesture of definition of gesture data input cell definition merges dragging, two finger separation dragging including, but not limited to two finger, singly refer to right rotation, singly refers to anticlockwise etc.; From singly referring to, two finger, three refers to until the action of the five fingers can realize definition, and action comprises dragging, anticlockwise, right rotation, clicks, double-clicks etc.Definition of gesture input interface can be the communication interfaces such as USB or RS232, and the data of input are for describing the information such as the motion track of gesture.The application associated with gesture including, but not limited to image rotation, picture depth changes, image is put soon, region Scalable etc., such as, two finger is separated dragging can be associated as Nonlinear magnify, and two finger merges dragging can be associated as image down.
In a kind of concrete scheme, above-mentioned Trackpad comprises capacitance matrix, capacitance matrix switch unit and capacitance detecting converting unit, and definition of gesture data input cell is connected with capacitance detecting converting unit by definition of gesture input interface, the array that capacitance matrix is made up of the electric capacity arranged by multiple lines and multiple rows, capacitance matrix connects the corresponding input of capacitance matrix switch unit by capacitor pin, the outfan of capacitance matrix switch unit is successively through oscillating circuit, voltage comparator connects the information input terminal of capacitance detecting converting unit, described voltage comparator is zero-crossing comparator, capacitance matrix switch unit receives the capacitance variations information from capacitance matrix and exports oscillating circuit to, oscillating circuit produces the sine wave of corresponding frequencies and exports voltage comparator to, voltage comparator converts sine wave to square wave and exports capacitance detecting converting unit to, capacitance detecting converting unit converts the square wave received to positional information.The principle of induction of Trackpad is capacitance sensing, finds out finger position by Detection capacitance variable quantity: when finger moves on the touch pad, be equivalent to define electric capacity on capacitance matrix, and the electric capacity of finger point changes; Capacitance matrix switch unit has the input corresponding to the line number of capacitance matrix and columns total amount, and when in capacitance matrix, certain any electric capacity changes, the input that the capacitor pin corresponding with this point connects detects capacitance change; Capacitance detecting converting unit carrys out switch-capacitor matrix by gating foot, be equivalent to an analog switch and front end capacitor pin is switched to oscillating circuit below, different capacitance changes can make oscillating circuit produce the sine wave of different frequency, so just capacitance change is converted to frequency; This sine wave is input to a voltage comparator (zero-crossing comparator), sine wave is converted to square, then delivers to capacitance detecting converting unit, finally convert positional information to; It is more than the testing process of a contact.In short time, capacitance detecting converting unit can record position mobile message always, then compares with definition of gesture data, if position mobile message mates with definition of gesture, then exports gesture information, otherwise output cursor information.
Definition of gesture data input cell can adopt ultrasonic main interface to form.When entering definition of gesture state, ultrasonic software prompt operator moves on the touch pad with finger, ultrasonic software records Trackpad motion track information (namely pointing the coordinate of movement), judge the gesture conflict whether this gesture motion defines with oneself simultaneously, if do not have conflict, with special form inner for the memorizer of definition of gesture data write-in control device (definition of gesture memorizer), capacitance detecting converting unit can read definition of gesture data from this memorizer.Data format for storing definition of gesture data comprises following content: (1) gesture numbering (0-N), for distinguishing the different hands gesture in memorizer; (2) gesture coordinate data, storing by mobile order, is the initial data for gesture identification.Definition of gesture data store successfully, and ultrasonic software is reresented operator and carried out association to this gesture motion.
Clash handle unit receives the information from trace ball and Trackpad, simultaneously according to the strategy (i.e. priority) of input in real time, can select the information of trace ball and Trackpad when data collision, finally output to ultrasonic software, after ultrasonic software processes, form content viewable in ultrasonic main interface display out.
The following 6 groups of priority of usual clash handle unit definition, can by outside input selection one of them, the setting of priority can be completed, and then carry out clash handle by this priority.
Above-mentioned priority setting unit can adopt ultrasonic main interface to form, and ultrasonic main interface is provided with priority choice menus, and priority choice menus has the option corresponding with each group of priority that clash handle unit defines; By selecting required option from priority choice menus, realize the setting of priority.During actual use, according to the needs of subsequent operation, can select required option from priority choice menus, clash handle unit can carry out clash handle, until operator changes the setting of priority by selected priority in the ensuing time.
Trackpad and trace ball organically combine by ultrasonic diagnostic equipment control device of the present utility model, have the advantage of Trackpad and trace ball concurrently, possess simultaneously and accurately measure the operation with movement fast, on the one hand, utilize Trackpad, fast and easy can move cursor on a large scale, on the other hand, utilize trace ball, can accurate mobile cursor, realize accurately location and trace, meet the operational requirements accurately measured, thus allow doctor can not only moving cursor quickly, and accurately can measure ultrasonoscopy, ensure that the quality of diagnosis.
Further, this utility model is applied to the control device of ultrasonic diagnostic equipment the gesture identification of Trackpad, by ultrasonic software design patterns, corresponding gesture is associated with the self-defining operation of doctor, when doctor gesticulates gesture on the touch pad, ultrasonic diagnostic equipment can perform the operation that doctor presets, and realizes the function such as quick broadcasting that Trackpad controls ultrasonoscopy rotation, Image Zooming, image, substantially increases the operating efficiency of doctor.
In brief, this utility model makes doctor no matter be accurate or moving cursor quickly, can realize easily.In addition, add gesture identification on the touch pad, by definition of gesture and gesture operation on the touch pad, make doctor convenient realize Nonlinear magnify, reduce, the function such as rotation, operating equipment more intelligently, increases work efficiency.
Accompanying drawing explanation
Fig. 1 is the schematic block circuit diagram of this utility model preferred embodiment;
Fig. 2 is the circuit theory diagrams of this utility model preferred embodiment.
Detailed description of the invention
With reference to figure 1 and Fig. 2, the control device of this ultrasonic diagnostic equipment comprises Trackpad 1, definition of gesture data input cell, trace ball 3, information output interface 4 (U10 in Fig. 2, information output interface 4 can be realized by field programmable gate array (FPGA) or associated microprocessor) and priority setting unit; Information output interface 4 comprises clash handle unit 41, clash handle unit 41 has first information input 42, second information input terminal 43 and information output 44, first information input 42 receives the information from Trackpad 1, second information input terminal 43 receives the information from trace ball 3, and information output 44 is for exporting control information; Clash handle unit 41 also has priority data receiving port, and the outfan of priority setting unit is connected with priority data receiving port.Definition of gesture data input cell is connected with Trackpad 1 by definition of gesture input interface, and definition of gesture data input cell carries out definition of gesture to Trackpad 1, and carries out association to oneself gesture of definition.
When finger slides on Trackpad 1, Trackpad 1 pair of contact is carried out detection and location and carries out track record to contact, after finger sliding stops, Trackpad 1 according to the gesture of oneself definition gesture identification is carried out to contact track and output information to information output interface 4, if contact track mates to definition of gesture, export relevant gesture information, if do not find the gesture of coupling, export cursor information; When information output interface 4 only receives from (when only having first information input 42 to receive information) when the cursor information of Trackpad 1 or gesture information, information output interface 4 exports from the cursor information of Trackpad 1 or gesture information as control information; When information output interface 4 only receives the cursor information from trace ball 3 (when only having the second information input terminal 43 to receive information), the cursor information from trace ball 3 exports as control information by information output interface 4; When information output interface 4 receives from (when first information input 42 and the second information input terminal 43 all receive information) when the cursor information of Trackpad 1 or gesture information and the cursor information from trace ball 3 simultaneously, clash handle unit 41 is according to set priority, to from Trackpad 1 cursor information or gesture information, select from the cursor information of trace ball 3, and by information output interface 4, one of them to be exported as control information.Clash handle unit 41 receives the information from trace ball 3 and Trackpad 1, simultaneously according to the strategy (i.e. priority) of input in real time, can select the information of trace ball 3 and Trackpad 1 when data collision, finally output to ultrasonic software, after ultrasonic software processes, form content viewable and show at ultrasonic main interface 5.
In the present embodiment, Trackpad 1 comprises capacitance matrix 11, capacitance matrix switch unit 12 (U5 in Fig. 2) and the capacitance detecting converting unit 13 (U9 in Fig. 2, capacitance detecting converting unit 13 can be realized by field programmable gate array (FPGA)), definition of gesture data input cell is connected with capacitance detecting converting unit 13 by definition of gesture input interface, the array that capacitance matrix 11 is made up of the electric capacity arranged by multiple lines and multiple rows, capacitance matrix 11 connects the corresponding input of capacitance matrix switch unit 12 by capacitor pin, the outfan of capacitance matrix switch unit 12 is successively through oscillating circuit 14 (U6 in Fig. 2), voltage comparator 15 (U7 in Fig. 2) connects the information input terminal of capacitance detecting converting unit 13, described voltage comparator 15 is zero-crossing comparator, capacitance matrix switch unit 12 receives the capacitance variations information from capacitance matrix 11 and exports oscillating circuit 14 to, oscillating circuit 14 produces the sine wave of corresponding frequencies and exports voltage comparator 15 to, voltage comparator 15 converts sine wave to square wave and exports capacitance detecting converting unit 13 to, capacitance detecting converting unit 13 converts the square wave received to positional information.
The principle of induction of Trackpad 1 is capacitance sensing, finds out finger position by Detection capacitance variable quantity: when finger moves on Trackpad 1, be equivalent to define electric capacity on capacitance matrix 11, and the electric capacity of finger point changes; Capacitance matrix switch unit 12 has the input corresponding to the line number of capacitance matrix 11 and columns total amount, and when in capacitance matrix 11, certain any electric capacity changes, the input that the capacitor pin corresponding with this point connects detects capacitance change; Capacitance detecting converting unit 13 carrys out switch-capacitor matrix 11 by gating foot (Sel foot), be equivalent to an analog switch and front end capacitor pin is switched to oscillating circuit 14 below, different capacitance changes can make oscillating circuit 14 produce the sine wave of different frequency, so just capacitance change is converted to frequency; This sine wave is input to voltage comparator 15 (zero-crossing comparator), sine wave is converted to square, then delivers to capacitance detecting converting unit 13, finally converts positional information to; It is more than the testing process of a contact.In short time, capacitance detecting converting unit 13 meeting record position mobile message always, then compare with definition of gesture data, if position mobile message mates with definition of gesture, then export gesture information, otherwise export cursor information.
When the spin 31 of manual control trace ball 3, spin 31 drives the disk rotational on optical encoder 33 by locating shaft 32, photocell will receive interrupted signal, the output level of photocell also produces height change thereupon, signal processing circuit 34 compares selection to the low and high level signal received, and exports cursor information (i.e. cursor mobile message).Trace ball 3 can adopt existing trace ball, and (in Fig. 2, TR1 is X-axis photelectric receiver, and U1 is rest-set flip-flop, and U2 is or door, TR2 is Y-axis photelectric receiver, and U3 is rest-set flip-flop, and U4 is or door, U8 is trace ball signal processing unit), no further details to be given herein.
Definition of gesture data input cell can adopt ultrasonic main interface to form.When entering definition of gesture state, ultrasonic software is moved with finger by ultrasonic main interface prompt operator on Trackpad 1, ultrasonic software records Trackpad motion track information (namely pointing the coordinate of movement), judge the gesture conflict whether this gesture motion defines with oneself simultaneously, if there is no conflict, with special form the memorizer of definition of gesture data write-in control device (definition of gesture memorizer 2, U12 in Fig. 2) inner, capacitance detecting converting unit 13 can read definition of gesture data from this definition of gesture memorizer 2.Data format for storing definition of gesture data comprises following content: (1) gesture numbering (0-N), for distinguishing the different hands gesture in memorizer; (2) gesture coordinate data, storing by mobile order, is the initial data for gesture identification.Definition of gesture data store successfully, and ultrasonic software is reresented operator by ultrasonic main interface and carried out association to this gesture motion.Such as, (m represents gesture numbering to newly-built gesture m, this is the gesture information that capacitance detecting converting unit 13 exports), then associate with application n, in ultrasonic software, so just store a gesture application, when capacitance detecting converting unit 13 outputs to ultrasonic software by information output interface 4 gesture numbering m, ultrasonic software performs this gesture application n.
The gesture of definition of gesture data input cell definition merges dragging, two finger separation dragging including, but not limited to two finger, singly refer to right rotation, singly refers to anticlockwise etc.; From singly referring to, two finger, three refers to until the action of the five fingers can realize definition, and action comprises dragging, anticlockwise, right rotation, clicks, double-clicks etc.Definition of gesture input interface can be the communication interfaces such as USB or RS232, and the data of input are for describing the information such as the motion track of gesture.The application associated with gesture including, but not limited to image rotation, picture depth changes, image is put soon, region Scalable etc., such as, two finger is separated dragging can be associated as Nonlinear magnify, and two finger merges dragging can be associated as image down.
In the present embodiment, clash handle unit 41 defines following 6 groups of priority, by outside input selection one of them, the setting of priority can be completed, and then carry out clash handle by this priority.The definition of priority is as shown in table 1.
Table 1
Above-mentioned priority setting unit adopts ultrasonic main interface 5 to form, and ultrasonic main interface 5 is provided with priority choice menus, and priority choice menus has the option corresponding with each group of priority that clash handle unit 41 defines; By selecting required option from priority choice menus, realize the setting of priority.In elected during a priority option, ultrasonic main interface 5 exports a 3bit control signal, and this 3bit control signal, by three or eight decoders 6 (U11 in Fig. 2), converts the input of control hazard processing unit 41 to, realizes the setting of priority.The truth table following (table 2) of this three or eight decoder 6:
Table 2
During actual use, according to the needs of subsequent operation, can select required option from priority choice menus, clash handle unit 41 can carry out clash handle, until operator changes the setting of priority by selected priority in the ensuing time.Such as, when doctor will carry out trace, need accurate mobile cursor, can select sequence number be 1 priority, at this time the cursor information priority level of trace ball 3 is the highest, is secondly the cursor information of Trackpad 1, gesture information again, like this, when data collision (when information output interface receives the information from Trackpad 1 and the cursor information from trace ball 3 simultaneously), clash handle unit 41 selects the cursor information of trace ball 3 as the control information exported.
The cursor information that trace ball 3, Trackpad 1 export exports software to by information output interface 4, after software processes, form content viewable and show at ultrasonic main interface 5, realizing the control (location, trace etc. as lesion image) etc. of regulating parameter (as supersonic frequency, the degree of depth etc.), ultrasonoscopy display.When the gesture information from Trackpad 1 exports as control information by information output interface 4, this gesture information is output to software, and after software processes, ultrasonic main interface 5 is read the application associated by this gesture and performed corresponding operation, realizes gesture application.
Claims (4)
1. a control device for ultrasonic diagnostic equipment, is characterized in that comprising Trackpad, trace ball, information output interface and priority setting unit; Information output interface comprises clash handle unit, clash handle unit has first information input, the second information input terminal and information output, first information input receives the information from Trackpad, second information input terminal receives the information from trace ball, and information output is for exporting control information; Clash handle unit also has priority data receiving port, and the outfan of priority setting unit is connected with priority data receiving port.
2. the control device of ultrasonic diagnostic equipment according to claim 1, it is characterized in that: described control device also comprises definition of gesture data input cell, definition of gesture data input cell is connected with Trackpad by definition of gesture input interface, definition of gesture data input cell carries out definition of gesture to Trackpad, and carries out association to oneself gesture of definition.
3. the control device of ultrasonic diagnostic equipment according to claim 2, it is characterized in that: described Trackpad comprises capacitance matrix, capacitance matrix switch unit and capacitance detecting converting unit, definition of gesture data input cell is connected with capacitance detecting converting unit by definition of gesture input interface, the array that capacitance matrix is made up of the electric capacity arranged by multiple lines and multiple rows, capacitance matrix connects the corresponding input of capacitance matrix switch unit by capacitor pin, the outfan of capacitance matrix switch unit is successively through oscillating circuit, voltage comparator connects the information input terminal of capacitance detecting converting unit, described voltage comparator is zero-crossing comparator, capacitance matrix switch unit receives the capacitance variations information from capacitance matrix and exports oscillating circuit to, oscillating circuit produces the sine wave of corresponding frequencies and exports voltage comparator to, voltage comparator converts sine wave to square wave and exports capacitance detecting converting unit to, capacitance detecting converting unit converts the square wave received to positional information.
4. the control device of the ultrasonic diagnostic equipment according to any one of claim 1-3, it is characterized in that: described priority setting unit adopts ultrasonic main interface to form, ultrasonic main interface is provided with priority choice menus, and priority choice menus has the option corresponding with each group of priority that clash handle unit defines.
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| CN201420668201.4U CN204318789U (en) | 2014-11-07 | 2014-11-07 | A kind of control device of ultrasonic diagnostic equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106037808A (en) * | 2016-07-01 | 2016-10-26 | 飞依诺科技(苏州)有限公司 | Operating method and device of ultrasonic diagnosis equipment |
| CN107638193A (en) * | 2016-07-20 | 2018-01-30 | 三星麦迪森株式会社 | Supersonic imaging apparatus and its control method |
| CN107822657A (en) * | 2017-10-27 | 2018-03-23 | 无锡祥生医疗科技股份有限公司 | The system and method that trace ball adjusts ultrasound parameter |
-
2014
- 2014-11-07 CN CN201420668201.4U patent/CN204318789U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106037808A (en) * | 2016-07-01 | 2016-10-26 | 飞依诺科技(苏州)有限公司 | Operating method and device of ultrasonic diagnosis equipment |
| CN107638193A (en) * | 2016-07-20 | 2018-01-30 | 三星麦迪森株式会社 | Supersonic imaging apparatus and its control method |
| CN107638193B (en) * | 2016-07-20 | 2022-05-03 | 三星麦迪森株式会社 | Ultrasonic imaging apparatus and control method thereof |
| CN107822657A (en) * | 2017-10-27 | 2018-03-23 | 无锡祥生医疗科技股份有限公司 | The system and method that trace ball adjusts ultrasound parameter |
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