CN110634551A - Osteotomy amount measuring method, measuring device, storage medium, and processor - Google Patents
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Abstract
The application provides a method for measuring osteotomy amount, a measuring device, a storage medium and a processor, wherein the measuring method comprises the following steps: receiving a voice signal; in the case that the voice signal includes a predetermined voice signal, acquiring measurement data including coordinates of each measurement point on the femoral condyle surface in a predetermined spatial coordinate system, the coordinates including an X-axis coordinate, a Y-axis coordinate, and a Z-axis coordinate; based on the measurement data, the osteotomy amount is determined. By receiving the voice signal and then acquiring the measurement data according to the voice signal, the measurement data comprises the coordinates of each measurement point on the surface of the femoral condyle in a preset space coordinate system, and then the accurate position of each measurement point is obtained according to the measured coordinate value, and then the coordinate value of the measurement point is used as the bone cutting amount reference value, so that accurate bone cutting in a three-dimensional space can be realized, the control of the measurement data is realized without keys, knobs, touch screens and other modes, and secondary pollution is avoided in the data measurement process.
Description
Technical Field
The present application relates to the field of detection, and in particular, to a bone mass measurement method, a measurement apparatus, a storage medium, and a processor.
Background
The total knee replacement, one of the major joint replacements, is a mature operation, and the research on the success of total knee replacement and the influence factors on the clinical efficacy of total knee replacement has been a problem of concern. The method has the advantages that good clinical long-term curative effect, selection of indications, selection of prostheses, accurate surgical skills and management before surgery are all important, and particularly, the requirement on the surgical skills is high, namely, accurate osteotomy and three-dimensional placement of the prostheses are carried out on a three-dimensional space, and the balance and stability of time gaps of flexion and extension of knee joints and soft tissues such as ligaments and the like are also required to be paid attention, so that accurate and correct placement of femoral, tibial and patella prosthesis components is ensured.
The most important goals of total knee arthroplasty are to restore lower limb force lines and balance the knee flexion-extension gap. The lower limb force line is an imaginary straight line starting from the femoral head rotation center and ending at the midpoint of the medial malleolus and the lateral malleolus and represents a mechanical conduction line of the lower limb of a normal human body in a weight bearing position. For normal people, the eversion angle of 5-7 degrees exists between the distal femur side of the lower limb and the force line, and the eversion angle of 2-3 degrees exists between the proximal tibia side and the force line, so that the anatomical factors must be considered when the knee joint osteotomy in the TKA operation is carried out, the lower limb force line is reconstructed to an ideal state that the varus and valgus tend to 0 degrees, and accurate osteotomy is a key link for ensuring the accuracy of the lower limb force line.
The existing medical equipment (such as a monitor) generally realizes the measurement process of controlling the osteotomy amount through keys, knobs or a touch screen, in practical application, a worker is difficult to control other auxiliary medical equipment (a measuring tool of the osteotomy amount) simultaneously when operating the instrument, and if the worker orally informs an assistant and then the assistant operates the equipment, errors are easy to occur in communication to cause accidents; in addition, the frequency of contacting the auxiliary medical equipment is too high, and secondary pollution is easy to generate.
The above information disclosed in this background section is only for enhancement of understanding of the background of the technology described herein and, therefore, certain information may be included in the background that does not form the prior art that is already known in this country to a person of ordinary skill in the art.
Disclosure of Invention
The main purpose of the present application is to provide a bone osteotomy amount measuring method, a bone osteotomy amount measuring device, a storage medium and a processor, so as to solve the problem that in the prior art, bone osteotomy amount measurement is controlled by a key, a knob or a touch screen, and a control program is complex.
In order to achieve the above object, according to one aspect of the present application, there is provided a bone-osteotomy amount measuring method including: receiving a voice signal; in the case that the voice signal comprises a predetermined voice signal, acquiring measurement data, wherein the measurement data comprises coordinates of each measurement point on the surface of the femoral condyle in a predetermined spatial coordinate system, and the coordinates comprise an X-axis coordinate, a Y-axis coordinate and a Z-axis coordinate; and determining the osteotomy amount according to the measurement data.
Further, after receiving the voice signal, before acquiring the measurement data, the measurement method further includes: analyzing the voice signal to obtain a control signal; and judging whether the control signal comprises a preset control signal or not, wherein the preset control signal is the control signal corresponding to the preset voice signal.
Further, obtaining measurement data includes: acquiring a first distance, wherein the first distance is the distance between a projection point and a coordinate origin, the coordinate origin is the origin of the preset space coordinate system, and the projection point is the projection of the measurement point on an XY plane in the preset space coordinate system; and obtaining a measurement angle, wherein the measurement angle is an included angle between a preset connecting line and the X axis, the preset connecting line is a connecting line between the projection point and the coordinate origin, and the X axis coordinate and the Y axis coordinate of each measurement point are determined according to the first distance and the measurement angle.
Further, acquiring the measurement data further includes: acquiring a second distance and a third distance, wherein the second distance is the distance between a reference plane and an XY plane of the preset space coordinate system, the third distance is the distance between the reference plane and the measuring point, and the reference plane is parallel to the XY plane in the preset space coordinate system and has a preset distance; and calculating the difference value of the second distance and the third distance to obtain the Z-axis coordinate of each measuring point.
Further, the process of acquiring the third distance includes: emitting laser light from a predetermined point to the measurement point, the predetermined point being a point on the reference plane, the reference plane being parallel to an XY plane in the predetermined spatial coordinate system and having a predetermined distance; receiving the laser light reflected back from the measurement point at the predetermined point; and determining the third distance according to the time difference between the laser emission and the laser reception and according to the time difference and the propagation speed of the laser.
Further, determining the osteotomy amount from the measurement data comprises: preprocessing the measurement data to obtain the preprocessed measurement data; and determining the osteotomy amount according to the preprocessed measurement data.
Further, the pre-processing comprises: filtering the measurement data to obtain the filtered measurement data; amplifying the filtered measurement data to obtain the amplified measurement data; and performing analog-to-digital conversion on the amplified measurement data to obtain the preprocessed measurement data.
According to another aspect of the present application, there is provided a bone-cut amount measuring device, including: a voice receiving unit for receiving a voice signal; an acquisition unit that acquires measurement data including coordinates of each measurement point on the femoral condyle surface in a predetermined spatial coordinate system, the coordinates including an X-axis coordinate, a Y-axis coordinate, and a Z-axis coordinate, in a case where the voice signal includes a predetermined voice signal; and the calculating unit is used for calculating the osteotomy amount according to the measurement data obtained by the obtaining unit.
According to still another aspect of the present application, there is provided a storage medium including a stored program, wherein the program executes any one of the measurement methods.
According to yet another aspect of the application, a processor for running a program is provided, wherein the program is run to perform any of the measurement methods.
By applying the technical scheme, the voice signal is a preset voice signal and then measurement data is obtained according to the voice signal, the measurement data comprises coordinates of each measurement point on the surface of the femoral condyle in a preset space coordinate system, the coordinates comprise an X-axis coordinate, a Y-axis coordinate and a Z-axis coordinate, the accurate position of each measurement point is obtained according to the coordinate value obtained by measurement, the coordinate value of each measurement point is used as a bone cutting amount reference value, accurate bone cutting in a three-dimensional space can be realized, control over the measurement data is not required to be realized through keys, knobs or touch screens and the like, the control program is greatly simplified, and in the data measurement process, the medical equipment is not required to be contacted, and secondary pollution is not caused.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
FIG. 1 shows a flow chart of a bone resection measurement method according to an embodiment of the present application;
FIG. 2 shows a schematic view of an osteotomy measurement device according to an embodiment of the present application; and
FIG. 3 shows a schematic diagram of an osteotomy measurement method according to an embodiment of the present application.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.
As described in the background art, the osteotomy amount measurement method in the prior art is controlled by a key, a knob or a touch screen, the control procedure is complex, and in order to solve the problem that the control procedure of the osteotomy amount measurement method is complex, the application provides a method for measuring the osteotomy amount.
Fig. 1 is a flow chart of a method for measuring an osteotomy amount according to an embodiment of the present application. As shown in fig. 1, the measuring method includes the steps of:
step S101, receiving a voice signal;
step S102, under the condition that the voice signal comprises a preset voice signal, obtaining measurement data, wherein the measurement data comprises coordinates of each measurement point on the surface of the femoral condyle in a preset space coordinate system, and the coordinates comprise an X-axis coordinate, a Y-axis coordinate and a Z-axis coordinate;
step S103, determining the osteotomy amount according to the measurement data.
In the scheme, under the condition of receiving a preset voice signal, measurement data can be obtained, the measurement data comprises coordinates of each measurement point on the surface of the femoral condyle in a preset space coordinate system, as shown in fig. 3, the coordinates comprise an X-axis coordinate, a Y-axis coordinate and a Z-axis coordinate, the accurate position of each measurement point is obtained according to the measured coordinate values, and the osteotomy amount is determined according to the position of each measurement point.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein.
In an embodiment of the present application, after receiving the voice signal, before acquiring the measurement data, the measurement method further includes: analyzing the voice signal to obtain a control signal; and judging whether the control signal comprises a preset control signal or not, wherein the preset control signal is the control signal corresponding to the preset voice signal. The method determines whether the voice signal is the preset voice signal by analyzing and then judging whether the analyzed control signal has the preset control signal, and the method can further ensure that the measuring process can be accurately executed.
In practical applications, the voice signal does not exist only before the measurement data is acquired, but in a specific embodiment of the present application, the voice signal may also exist in the process of acquiring the measurement data, or exist after the measurement data is acquired, for example, a voice command of "start measurement" may be issued while changing the position of the measurement point, when the measurement data acquisition of the target measurement point is finished, a voice command of "finish measurement" may be issued, and if the measured data needs to be stored, a voice command of "store data" may be issued after the measurement is finished, and the voice command may further include a voice command of "power on" and "power off".
In one embodiment of the present application, obtaining measurement data includes: acquiring a first distance, wherein the first distance is a distance between a projection point and an origin of coordinates, the origin of coordinates is an origin of the predetermined space coordinate system, and the projection point is a projection of the measurement point on an XY plane in the predetermined space coordinate system; obtaining a measurement angle, wherein the measurement angle is an included angle between a preset connecting line and the X axis, and the preset connecting line is a connecting line between the projection point and the coordinate origin; and determining the X-axis coordinate and the Y-axis coordinate of each measuring point according to the first distance and the measuring angle.
A predetermined space coordinate system is defined in advance, the surface of the femoral condyle is a curved surface, a certain distance is arranged between an XY plane in the predetermined space coordinate system and the surface of the femoral condyle, each measuring point on the surface of the femoral condyle is projected onto the XY plane in the predetermined space coordinate system, the distance between each projection point and a coordinate origin can be obtained, and then the X-axis coordinate and the Y-axis coordinate of each measuring point on the surface of the femoral condyle can be obtained according to the trigonometric function principle by combining the measured angle. For example, as shown in fig. 3, if the projection point P' of a certain measurement point P on the femoral condyle surface on the XY plane in the predetermined spatial coordinate system is at a distance L from the origin of coordinates, and the measured included angle is set to be a positive included angle with the X axis, and the included angle is θ, then the X-axis coordinate of the measurement point is Lcos θ, and the Y-axis coordinate of the measurement point is lssin θ.
An embodiment of the present application, acquire measurement data, further include: acquiring a second distance and a third distance, wherein the second distance is a distance between a reference plane and an XY plane of the predetermined spatial coordinate system, and in fact, the predetermined spatial coordinate system and the reference plane are both predefined, so the second distance is a fixed value, the third distance is a distance between the reference plane and the measuring point, and the reference plane is parallel to the XY plane of the predetermined spatial coordinate system and has a predetermined distance; and calculating the difference value of the second distance and the third distance to obtain the Z-axis coordinate of each measuring point. As shown in FIG. 3, a reference plane is set at a distance from the XY-plane of the predetermined spatial coordinate system, and the reference plane is set in a direction away from the condyle surface of the femur so that the condyle surface of the femur is between the XY-plane of the reference plane and the spatial coordinate system, and the Z-axis coordinate of the measurement point can be determined according to the difference between the second distance and the third distance, as shown in FIG. 3, the Z-axis coordinate of the measurement point is H1-H2 when the second distance is set to H1 and the third distance is set to H2.
In an embodiment of the present application, the process of obtaining the third distance includes: as shown in fig. 3, laser light is emitted from a predetermined point O, which is a point on the reference plane parallel to and having a predetermined distance from the XY plane in the predetermined spatial coordinate system, to the measurement point P; receiving the laser light reflected from the measurement point P at the predetermined point O; the third distance is determined based on a time difference between the emission of the laser beam and the reception of the laser beam and a propagation speed of the laser beam, and the propagation speed of the laser beam is v when the time difference is Δ t, for example. Then, H2 ═ Δ t × v.
In an embodiment of the present application, determining the osteotomy amount according to the measurement data includes: preprocessing the measurement data to obtain the preprocessed measurement data; and determining the osteotomy amount according to the preprocessed measurement data. The bone cutting amount is determined by preprocessing the measurement data and then according to the preprocessed measurement data, so that the accuracy of the bone cutting amount is further ensured.
In an embodiment of the present application, the preprocessing includes: filtering the measurement data to obtain the filtered measurement data; amplifying the filtered measurement data to obtain amplified measurement data; and performing analog-to-digital conversion on the amplified measurement data to obtain the preprocessed measurement data. Generally speaking, due to the influence of external noise, noise signals are often doped in the measurement data, so that the measurement data is filtered to filter the noise signals in the measurement data, more accurate measurement data can be obtained, and more accurate bone fracture amount can be obtained according to the measurement data. Specifically, the filtering process may be a low-pass filtering process, a high-pass filtering process, a band-pass filtering process, and the like, and a specific filtering process is selected, which is determined by a person skilled in the art according to specific properties of the detected measurement data. In addition, the measured measurement data is often small, for example, the size is 0-30 mV, so that the filtered measurement data is amplified, specifically, the amplification can be realized by connecting a front-end amplification circuit, and the selection of the front-end amplification circuit is selected by a person skilled in the art according to actual conditions; in order to facilitate information processing, the analog signals are converted into digital signals, and then the digital signals can be processed by a microprocessor.
Another exemplary embodiment of the present application further provides an osteotomy amount measuring device, and it should be noted that the osteotomy amount measuring device of the embodiment of the present application may be used to perform the osteotomy amount measuring method provided by the embodiment of the present application. The following describes an osteotomy amount measuring device provided in an embodiment of the present application.
Fig. 2 is a schematic view of an osteotomy measurement device according to an embodiment of the present application. As shown in fig. 2, the apparatus includes:
a voice receiving unit 10 for receiving a voice signal;
an acquisition unit 20 that acquires measurement data including coordinates of each measurement point on the femoral condyle surface in a predetermined spatial coordinate system, the coordinates including an X-axis coordinate, a Y-axis coordinate, and a Z-axis coordinate, in a case where the voice signal includes a predetermined voice signal;
a calculating unit 30 for calculating the osteotomy amount according to the measurement data obtained by the obtaining unit.
In the scheme, the voice receiving unit receives a voice signal, the voice signal is a preset voice signal, the acquisition unit acquires measurement data according to the voice signal, the measurement data comprises coordinates of each measurement point on the surface of the femoral condyle in a preset space coordinate system, as shown in fig. 3, the coordinates comprise an X-axis coordinate, a Y-axis coordinate and a Z-axis coordinate, the calculation unit acquires the accurate position of each measurement point according to the coordinate values obtained by measurement, and the osteotomy amount can be accurately determined according to the position of each measurement point.
In an embodiment of the present application, the measurement apparatus further includes an analysis unit and a determination unit, where the analysis unit is configured to, after receiving a voice signal and before obtaining measurement data, analyze the voice signal to obtain a control signal; the judging unit is used for judging whether the control signal comprises a preset control signal after receiving the voice signal and before acquiring the measurement data, wherein the preset control signal is the control signal corresponding to the preset voice signal. The device analyzes the voice signal through the analysis unit, and then judges whether the analyzed control signal has the preset control signal or not to determine whether the voice signal is the preset voice signal or not.
In practical applications, the voice signal does not exist only before the measurement data is acquired, but in a specific embodiment of the present application, the voice signal may also exist in the process of acquiring the measurement data, or exist after the measurement data is acquired, for example, a voice command of "start measurement" may be issued while changing the position of the measurement point, when the measurement data acquisition of the target measurement point is finished, a voice command of "finish measurement" may be issued, and if the measured data needs to be stored, a voice command of "store data" may be issued after the measurement is finished, and the voice command may further include a voice command of "power on" and "power off".
In an embodiment of the present application, the obtaining unit includes a sliding measurement module and an angle measurement module, the sliding measurement module is configured to obtain a first distance, where the first distance is a distance between a projection point and an origin of coordinates, the origin of coordinates is an origin of the predetermined spatial coordinate system, and the projection point is a projection of the measurement point on an XY plane in the predetermined spatial coordinate system; the angle measurement module is used for acquiring a measurement angle, wherein the measurement angle is an included angle between a preset connecting line and the X axis, and the preset connecting line is a connecting line between the projection point and the coordinate origin; and determining the X-axis coordinate and the Y-axis coordinate of each measuring point according to the first distance and the measuring angle.
A predetermined space coordinate system is defined in advance, the surface of the femoral condyle is a curved surface, a certain distance is arranged between an XY plane in the predetermined space coordinate system and the surface of the femoral condyle, each measuring point on the surface of the femoral condyle is projected onto the XY plane in the predetermined space coordinate system, the distance between each projection point and a coordinate origin can be obtained, and then the X-axis coordinate and the Y-axis coordinate of each measuring point on the surface of the femoral condyle can be obtained according to the trigonometric function principle by combining the measured angle. For example, as shown in fig. 3, if the projection point P' of a certain measurement point P on the femoral condyle surface on the XY plane in the predetermined spatial coordinate system is at a distance L from the origin of coordinates, and the measured included angle is set to be a positive included angle with the X axis, and the included angle is θ, then the X-axis coordinate of the measurement point is Lcos θ, and the Y-axis coordinate of the measurement point is lssin θ.
In an embodiment of the present application, the second distance is a distance between the reference plane and the XY plane of the predetermined spatial coordinate system, and since the reference plane and the predetermined spatial coordinate system are both predefined, the distance between the reference plane and the predetermined spatial coordinate system, that is, the second distance, is a known quantity, the obtaining unit further includes a ranging module, the ranging module is configured to obtain a third distance, where the third distance is a distance between the reference plane and the measurement point, and in this embodiment, the reference plane is a surface corresponding to the predetermined point of the ranging module; and calculating the difference value of the second distance and the third distance to obtain the Z-axis coordinate of each measuring point. As shown in FIG. 3, in the actual measurement process, since the ranging module is disposed above the condyle surface of the femur, the reference plane is in the direction away from the condyle surface of the femur, so that the condyle surface of the femur is between the reference plane and the XY-plane of the spatial coordinate system, and the Z-axis coordinate of the measurement point can be determined according to the difference between the second distance and the third distance, as shown in FIG. 3, the Z-axis coordinate of the measurement point is H1-H2 when the second distance is H1 and the third distance is H2.
In one embodiment of the present application, the distance measuring module is a laser distance measuring module, as shown in fig. 3, which emits laser light to the measuring point P from a predetermined point O, the predetermined point O being a point on the reference plane, the reference plane being parallel to the XY plane in the predetermined spatial coordinate system and having a predetermined distance; receiving the laser light reflected from the measurement point P at the predetermined point O; the third distance is determined based on a time difference between the emission of the laser beam and the reception of the laser beam, and based on the time difference and the propagation speed of the laser beam. Then, H2 ═ Δ t × v. In this embodiment, the plane in which the predetermined point is located and which is parallel to the XY plane in the predetermined spatial coordinate system is the reference plane.
In an embodiment of the application, the calculation unit includes a preprocessing module and a determination module, and the preprocessing module is configured to preprocess the measurement data to obtain the preprocessed measurement data; the determining module is used for determining the osteotomy amount according to the preprocessed measuring data. The bone cutting amount is determined by preprocessing the measurement data and then according to the preprocessed measurement data, so that the accuracy of the bone cutting amount is further ensured.
In an embodiment of the present application, the preprocessing module includes a filtering processing sub-module, an amplifying sub-module, and an analog-to-digital conversion processing sub-module, where the filtering processing sub-module is configured to perform filtering processing on the measurement data to obtain the filtered measurement data; the amplifying submodule is used for amplifying the filtered measurement data to obtain the amplified measurement data; the analog-to-digital conversion processing submodule is used for performing analog-to-digital conversion processing on the amplified measurement data to obtain the preprocessed measurement data.
Generally speaking, due to the influence of external noise, noise signals are often doped in the measurement data, so that the measurement data is filtered to filter the noise signals in the measurement data, more accurate measurement data can be obtained, and more accurate bone fracture amount can be obtained according to the measurement data. Specifically, the filtering process may be a low-pass filtering process, a high-pass filtering process, a band-pass filtering process, and the like, and a specific filtering process is selected, which is determined by a person skilled in the art according to specific properties of the detected measurement data. In addition, the measured measurement data is often small, for example, the size is 0-30 mV, so that the filtered measurement data is amplified, specifically, the amplification can be realized by connecting a front-end amplification circuit, and the selection of the front-end amplification circuit is selected by a person skilled in the art according to actual conditions; in order to facilitate information processing, the analog signals are converted into digital signals, and then the digital signals can be processed by a microprocessor.
The measuring device comprises a processor and a memory, the voice receiving unit, the calculating unit and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. The kernel can be set to be one or more than one, and the acetabular bone defect degree can be accurately judged by adjusting kernel parameters.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
An embodiment of the present invention provides a storage medium, on which a program is stored, and the program, when executed by a processor, implements the above method for measuring acetabular rasping parameters.
The embodiment of the invention provides a processor, which is used for running a program, wherein the measuring method of the acetabular rasping parameters is executed when the program runs.
The embodiment of the invention provides equipment, which comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein when the processor executes the program, at least the following steps are realized:
step S101, receiving a voice signal;
step S102, under the condition that the voice signal comprises a preset voice signal, obtaining measurement data, wherein the measurement data comprises coordinates of each measurement point on the surface of the femoral condyle in a preset space coordinate system, and the coordinates comprise an X-axis coordinate, a Y-axis coordinate and a Z-axis coordinate;
step S103, determining the osteotomy amount according to the measurement data.
The device herein may be a server, a PC, a PAD, a mobile phone, etc.
The present application further provides a computer program product adapted to perform a program of initializing at least the following method steps when executed on a data processing device:
step S101, receiving a voice signal;
step S102, under the condition that the voice signal comprises a preset voice signal, obtaining measurement data, wherein the measurement data comprises coordinates of each measurement point on the surface of the femoral condyle in a preset space coordinate system, and the coordinates comprise an X-axis coordinate, a Y-axis coordinate and a Z-axis coordinate;
step S103, determining the osteotomy amount according to the measurement data.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects:
1) the bone cutting amount measuring method comprises the steps of receiving voice signals, wherein the voice signals are preset voice signals, measuring data are obtained according to the voice signals, the measuring data comprise coordinates of all measuring points on the surface of the femoral condyle in a preset space coordinate system and comprise X-axis coordinates, Y-axis coordinates and Z-axis coordinates, accurate positions of all measuring points are obtained according to coordinate values obtained through measurement, the coordinate values of the measuring points serve as bone cutting amount reference values, accurate bone cutting in a three-dimensional space can be achieved, control over the measuring data is achieved in a key, a knob or a touch screen and the like, control procedures are greatly simplified, and in the data measuring process, medical equipment does not need to be contacted, and secondary pollution cannot be caused.
2) The utility model provides a bone cutting volume measuring device, voice receiving element receives voice signal, above-mentioned voice signal is the voice signal who sets up in advance, and then the acquisition unit acquires measured data according to voice signal, measured data includes the coordinate of each measuring point on thighbone condyle surface in predetermined space coordinate system, including X axle coordinate, Y axle coordinate and Z axle coordinate, and then the calculating unit is according to the coordinate value that the measurement obtained, obtain the accurate position of each measuring point, and then regard the coordinate value of measurable point as bone cutting volume reference value, can realize accurate bone cutting on three-dimensional space, and need not to realize measured data's control through modes such as button, knob or touch-sensitive screen, control procedure has been simplified greatly, and in data measurement process, need not to contact medical equipment, can not cause secondary pollution.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A method of measuring an amount of osteotomy, comprising:
receiving a voice signal;
in the case that the voice signal comprises a predetermined voice signal, acquiring measurement data, wherein the measurement data comprises coordinates of each measurement point on the surface of the femoral condyle in a predetermined spatial coordinate system, and the coordinates comprise an X-axis coordinate, a Y-axis coordinate and a Z-axis coordinate;
and determining the osteotomy amount according to the measurement data.
2. The measurement method according to claim 1, wherein after receiving the voice signal, before acquiring the measurement data, the measurement method further comprises:
analyzing the voice signal to obtain a control signal;
and judging whether the control signal comprises a preset control signal or not, wherein the preset control signal is the control signal corresponding to the preset voice signal.
3. The measurement method of claim 1, wherein obtaining measurement data comprises:
acquiring a first distance, wherein the first distance is the distance between a projection point and a coordinate origin, the coordinate origin is the origin of the preset space coordinate system, and the projection point is the projection of the measurement point on an XY plane in the preset space coordinate system;
obtaining a measurement angle, wherein the measurement angle is an included angle between a preset connecting line and the X axis, and the preset connecting line is a connecting line between the projection point and the coordinate origin;
and determining the X-axis coordinate and the Y-axis coordinate of each measuring point according to the first distance and the measuring angle.
4. The measurement method according to any one of claims 1 to 3, wherein obtaining measurement data further comprises:
acquiring a second distance and a third distance, wherein the second distance is the distance between a reference plane and an XY plane of the preset space coordinate system, the third distance is the distance between the reference plane and the measuring point, and the reference plane is parallel to the XY plane in the preset space coordinate system and has a preset distance;
and calculating the difference value of the second distance and the third distance to obtain the Z-axis coordinate of each measuring point.
5. The measurement method according to claim 4, wherein the process of acquiring the third distance comprises:
emitting laser light from a predetermined point to the measurement point, the predetermined point being a point on the reference plane, the reference plane being parallel to an XY plane in the predetermined spatial coordinate system and having a predetermined distance;
receiving the laser light reflected back from the measurement point at the predetermined point;
and determining the third distance according to the time difference between the laser emission and the laser reception and according to the time difference and the propagation speed of the laser.
6. The measurement method according to any one of claims 1 to 3, wherein determining the osteotomy amount from the measurement data comprises:
preprocessing the measurement data to obtain the preprocessed measurement data;
and determining the osteotomy amount according to the preprocessed measurement data.
7. The measurement method according to claim 6, wherein the preprocessing includes:
filtering the measurement data to obtain the filtered measurement data;
amplifying the filtered measurement data to obtain the amplified measurement data;
and performing analog-to-digital conversion on the amplified measurement data to obtain the preprocessed measurement data.
8. An osteotomy quantity measuring device, comprising:
a voice receiving unit for receiving a voice signal;
an acquisition unit that acquires measurement data including coordinates of each measurement point on the femoral condyle surface in a predetermined spatial coordinate system, the coordinates including an X-axis coordinate, a Y-axis coordinate, and a Z-axis coordinate, in a case where the voice signal includes a predetermined voice signal;
and the calculating unit is used for calculating the osteotomy amount according to the measurement data obtained by the obtaining unit.
9. A storage medium characterized by comprising a stored program, wherein the program executes the measurement method of any one of claims 1 to 7.
10. A processor, characterized in that the processor is configured to run a program, wherein the program is configured to perform the measurement method of any one of claims 1 to 7 when running.
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