CN104545937A - Human bone and joint kinematics dynamic acquisition system - Google Patents
Human bone and joint kinematics dynamic acquisition system Download PDFInfo
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- CN104545937A CN104545937A CN201510030941.4A CN201510030941A CN104545937A CN 104545937 A CN104545937 A CN 104545937A CN 201510030941 A CN201510030941 A CN 201510030941A CN 104545937 A CN104545937 A CN 104545937A
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1121—Determining geometric values, e.g. centre of rotation or angular range of movement
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/45—For evaluating or diagnosing the musculoskeletal system or teeth
- A61B5/4528—Joints
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Abstract
The invention discloses a human bone and joint kinematics dynamic acquisition system. A Y-axis movable base is arranged on an X-axis movable base, a Z-axis support frame is arranged on the Y-axis movable base, a human body support pedal is arranged on the floor independently, a rotary shaft is arranged on the Z-axis support frame, a first support frame and a second support frame are arranged on the rotary shaft, a first X-ray tube and a first X-ray receiver are arranged on the first support frame, a second X-ray tube and a second X-ray receiver are arranged on the second support frame, a motion capture unit is arranged on an object to be acquired, a motion acquisition device is arranged on the rotary shaft, and a computer controller is arranged independently. The human bone and joint kinematics dynamic acquisition system can ensure that the motion capture unit and the motion acquisition device are relatively stationary and namely ensure that the focal distance of the X-ray tube and the X-ray receiver is not changed. The human bone and joint kinematics dynamic acquisition system can adjust the irradiation angle through the first support frame and the second support frame to ensure optimal irradiation effects.
Description
Technical field
The present invention originally belongs to technical field of medical instruments, particularly relates to a kind of dynamic kinematic acquisition system for human body bone joint.
Background technology
The generation of osteoarticular injury and disease and developing usually along with the change of local joint motions feature.Meanwhile, the joint motion of some exceptions also can cause the generation of disease.Detect the kinematics character of osteoarticular system at body, to the scientific research of disease, diagnosis, treatment and prognosis evaluation etc. are all significant.
Optics motion capture and motion-sensing apply more kinesiology detection method at present.But in these methods, the optical markers of capture movement or physical sensors are installed in limbs surface, owing to there is larger relative motion between skin and bone structure, the limb action information that said method obtains to be not suitable for accurately research osteoarticular in body motion, is only applicable to gait analysis, kinesiology research, cartoon making etc.
Therefore a kind of structure is badly in need of simple and can precise acquisition human body is osteoarticular at the kinematic device of body fast.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of dynamic kinematic acquisition system for human body bone joint, aims to provide a kind of structure simple and can precise acquisition human body is osteoarticular at the kinematic device of body fast.
The embodiment of the present invention realizes like this, a kind of dynamic kinematic acquisition system for human body bone joint, this system comprises: X-axis movable base, Y-axis movable base, X-axis bracing frame, body support's pedal, rotating shaft, the first bracing frame, the second bracing frame, the first x-ray bulb, the first x-ray receptor, the second x-ray bulb, the 2nd X receptor, motion-captured device, motion pick device, computer control;
Y-axis movable base is arranged on X-axis movable base, Z axis bracing frame is arranged on Y-axis movable base, body support's pedal is independently arranged on the ground, rotating shaft is arranged on Z axis bracing frame, first bracing frame, the second bracing frame are arranged on the rotary shaft, first x-ray bulb and the first x-ray receptor are arranged on the first bracing frame, second x-ray bulb and the 2nd X receptor are arranged on the second bracing frame, motion-captured device is arranged on collected object, motion pick device is arranged on the rotary shaft, and computer control is independently arranged;
Further, the signal driven rotary axle that X-axis movable base, Y-axis movable base, X-axis bracing frame can provide according to computer control carries out X, Y, Z axis and moves;
Further, the distance of the motion-captured device of motion pick device energy capture setting on collected object, thus signal is sent to computer control, computer control provides the movable signal of X-axis movable base, Y-axis movable base, X-axis bracing frame by computing, because body support's pedal is independently arranged, so motion-captured device and motion pick device geo-stationary can be ensured;
Further, first bracing frame, the second bracing frame can according to the random hue angle of rotating shaft, and the first bracing frame, the second bracing frame adopt annular arm to arrange, and the first x-ray bulb, the first x-ray receptor, the second x-ray bulb, the 2nd X receptor can arbitrarily movements on annular arm;
Further, the software system in later stage by the image registration of threedimensional model bidimensional image one by one, osteoarticular spatial relation and motion feature during reduction subject motion.
Further, this dynamic kinematic acquisition system for human body bone joint also comprises: the first action body sense camera head and the second action body sense camera head; First action body sense camera head, for the motion of limbs body surface and the positional information of captured target osteoarthrosis side; Second action body sense camera head, for the motion of limbs body surface and the positional information of the corresponding opposite side of captured target osteoarthrosis.
Further, this dynamic kinematic acquisition system for human body bone joint also comprises the first calibrating installation and the second calibrating installation; First calibrating installation, for correcting the skew misalignment of the first x-ray bulb and the first x-ray receptor; Second calibrating installation, for correcting the skew misalignment of the second x-ray bulb and the second x-ray receptor.
Further, computer, computer control is connected with data storage device, and for receiving and process the data of data storage device, the bidimensional image information in real-time implementation two planes changes into the 3-dimensional image information of osteoarticular system by quick spatial registration.
Further, motion pick device adopts SMD wireless transmission electron motion harvester, is provided with SMD action and gathers module and data receiver module;
SMD action gathers module and is provided with sensor, signal processing module, action collection bluetooth module and action collection power supply; The input port of the output termination signal processing module of sensor, the output port of signal processing module connects the input that action gathers bluetooth module, the output end of stabilized voltage supply of action collection power supply gathers bluetooth module with sensor, signal processing module and action respectively and is electrically connected, and action gathers bluetooth module transmitting data; Data receiver module is provided with data receiver bluetooth module, single-chip microcomputer, flash chip and data receiver power supply; Data receiver bluetooth module receiving action gathers the data that bluetooth module is launched, the outfan of data receiver bluetooth module is connected with the input port of single-chip microcomputer, the output port of single-chip microcomputer is connected with flash chip, the data-out port of single-chip microcomputer is preserved by USB serial ports access PC and carried out motion analysis in PC, and the voltage of voltage regulation outfan of data receiver power supply is electrically connected with data receiver bluetooth module, single-chip microcomputer and flash chip respectively;
Action gathers power supply and is provided with charging control circuit, battery and regulated power supply, the output termination battery of charging control circuit, battery is connected with regulated power supply, charging control circuit is connected with charge port respectively with battery, and output end of stabilized voltage supply gathers bluetooth module with sensor, signal processing module and action respectively and is electrically connected;
Data receiver power supply is provided with charging control circuit, battery and regulated power supply, the output termination battery of charging control circuit, battery is connected with regulated power supply, charging control circuit and battery are connected with USB serial ports respectively, and output end of stabilized voltage supply is electrically connected with data receiver bluetooth module, single-chip microcomputer and flash chip respectively.
The advantage that the present invention has and good effect are: the present invention is provided with X-axis movable base, Y-axis movable base, X-axis bracing frame, can according to the distance of the motion-captured device of motion pick device energy capture setting on collected object, thus signal is sent to computer control, computer control by computing to shaft movable base, Y-axis movable base, the movable signal of Z axis bracing frame, because body support's pedal is independently arranged, so motion-captured device and motion pick device geo-stationary can be ensured, namely ensure that x-ray bulb and x-ray receptor focal length can not change.The present invention also can carry out the adjustment of irradiating angle by the first bracing frame, the second bracing frame, to ensure best radiation response.The invention provides a kind of structure simple and can precise acquisition human body is osteoarticular at the kinematic device of body fast.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of dynamic kinematic acquisition system for human body bone joint that the embodiment of the present invention provides;
In figure: 1, X-axis movable base; 2, Y-axis movable base; 3, X-axis bracing frame; 4, body support's pedal; 5, rotating shaft; 6, the first bracing frame; 7, the second bracing frame; 8, the first x-ray bulb; 9, the first x-ray receptor; 10, the second x-ray bulb; 11, the 2nd X receptor; 12, motion-captured device; 13, motion pick device; 14, computer control.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.
Refer to Fig. 1:
As shown in Figure 1, a kind of dynamic kinematic acquisition system for human body bone joint of the embodiment of the present invention, this system comprises: X-axis movable base 1, Y-axis movable base 2, X-axis bracing frame 3, body support's pedal 4, rotating shaft 5, first bracing frame 6, second bracing frame 7, first x-ray bulb 8, first x-ray receptor 9, second x-ray bulb 10, the 2nd X receptor 11, motion-captured device 12, motion pick device 13, computer control 14;
Y-axis movable base 2 is arranged on X-axis movable base 1, Z axis bracing frame 3 is arranged on Y-axis movable base 2, body support's pedal 4 is independently arranged on the ground, rotating shaft 5 is arranged on Z axis bracing frame 3, first bracing frame 6, second bracing frame 7 is arranged on rotating shaft 5, first x-ray bulb 8 and the first x-ray receptor 10 are arranged on the first bracing frame 6, second x-ray bulb 9 and the 2nd X receptor 11 are arranged on the second bracing frame 7, motion-captured device 12 is arranged on collected object, motion pick device 13 is arranged on rotating shaft 5, and computer control 14 is independent to be arranged;
Further, the signal driven rotary axle 5 that X-axis movable base 1, Y-axis movable base 2, X-axis bracing frame 3 can provide according to computer control 14 carries out X, Y, Z axis and moves;
Further, the distance of the motion-captured device 12 of motion pick device 13 energy capture setting on collected object, thus signal is sent to computer control 14, computer control 14 provides the movable signal of X-axis movable base 1, Y-axis movable base 2, Z axis bracing frame 3 by computing, arrange, so motion-captured device 12 and motion pick device 13 geo-stationary can be ensured because body support's pedal 4 is independent;
Further, first bracing frame 6, second bracing frame 7 can according to the random hue angle of rotating shaft, and the first bracing frame 6, second bracing frame 7 adopts annular arm to arrange, the first x-ray bulb 9, first x-ray receptor 10, second x-ray bulb 11, the 2nd X receptor 12 can arbitrarily movements on annular arm;
Further, the software system in later stage passes through threedimensional model---the image registration of bidimensional image, osteoarticular spatial relation and motion feature during reduction subject motion.
Further, this dynamic kinematic acquisition system for human body bone joint also comprises the first calibrating installation and the second calibrating installation; First calibrating installation, for correcting the skew misalignment of the first x-ray bulb and the first x-ray receptor; Second calibrating installation, for correcting the skew misalignment of the second x-ray bulb and the second x-ray receptor.
Further, computer, computer control is connected with data storage device, and for receiving and process the data of data storage device, the bidimensional image information in real-time implementation two planes changes into the 3-dimensional image information of osteoarticular system by quick spatial registration.
Further, motion pick device adopts SMD wireless transmission electron motion harvester, is provided with SMD action and gathers module and data receiver module;
SMD action gathers module and is provided with sensor, signal processing module, action collection bluetooth module and action collection power supply; The input port of the output termination signal processing module of sensor, the output port of signal processing module connects the input that action gathers bluetooth module, the output end of stabilized voltage supply of action collection power supply gathers bluetooth module with sensor, signal processing module and action respectively and is electrically connected, and action gathers bluetooth module transmitting data; Data receiver module is provided with data receiver bluetooth module, single-chip microcomputer, flash chip and data receiver power supply; Data receiver bluetooth module receiving action gathers the data that bluetooth module is launched, the outfan of data receiver bluetooth module is connected with the input port of single-chip microcomputer, the output port of single-chip microcomputer is connected with flash chip, the data-out port of single-chip microcomputer is preserved by USB serial ports access PC and carried out motion analysis in PC, and the voltage of voltage regulation outfan of data receiver power supply is electrically connected with data receiver bluetooth module, single-chip microcomputer and flash chip respectively;
Action gathers power supply and is provided with charging control circuit, battery and regulated power supply, the output termination battery of charging control circuit, battery is connected with regulated power supply, charging control circuit is connected with charge port respectively with battery, and output end of stabilized voltage supply gathers bluetooth module with sensor, signal processing module and action respectively and is electrically connected;
Data receiver power supply is provided with charging control circuit, battery and regulated power supply, the output termination battery of charging control circuit, battery is connected with regulated power supply, charging control circuit and battery are connected with USB serial ports respectively, and output end of stabilized voltage supply is electrically connected with data receiver bluetooth module, single-chip microcomputer and flash chip respectively.
Move when carrying out human bone articular kinesiology, adjust the first x-ray bulb 9, first x-ray receptor 10, second x-ray bulb 11, the relative position of the 2nd X receptor 12 and motion-captured device 13, motion pick device 14 can record current relative position, no matter how human bone joint moves afterwards, motion-captured device 12 and motion pick device 13 geo-stationary, guarantee focal length is constant, first x-ray bulb 9, first x-ray receptor 10, second x-ray bulb 11, 2nd X receptor 12 gathers image information, be sent to computer control 14, the software system in later stage passes through threedimensional model---the image registration of bidimensional image, osteoarticular spatial relation and motion feature during reduction subject motion.
The advantage that the present invention has and good effect are: the present invention is provided with X-axis movable base, Y-axis movable base, X-axis bracing frame, can according to the distance of the motion-captured device of motion pick device energy capture setting on collected object, thus signal is sent to computer control, computer control by computing to shaft movable base, Y-axis movable base, the movable signal of X-axis bracing frame, because body support's pedal is independently arranged, so motion-captured device and motion pick device geo-stationary can be ensured, namely ensure that x-ray bulb and x-ray receptor focal length can not change.The present invention also can carry out the adjustment of irradiating angle by the first bracing frame, the second bracing frame, to ensure best radiation response.The invention provides a kind of structure simple and can precise acquisition human body is osteoarticular at the kinematic device of body fast.
The preferred embodiment of invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a dynamic kinematic acquisition system for human body bone joint, it is characterized in that, this dynamic kinematic acquisition system for human body bone joint comprises: X-axis movable base, Y-axis movable base, X-axis bracing frame, body support's pedal, rotating shaft, the first bracing frame, the second bracing frame, the first x-ray bulb, the first x-ray receptor, the second x-ray bulb, the 2nd X receptor, motion-captured device, motion pick device, computer control;
Y-axis movable base is arranged on X-axis movable base, Z axis bracing frame is arranged on Y-axis movable base, body support's pedal is independently arranged on the ground, rotating shaft is arranged on Z axis bracing frame, first bracing frame, the second bracing frame are arranged on the rotary shaft, first x-ray bulb and the first x-ray receptor are arranged on the first bracing frame, second x-ray bulb and the 2nd X receptor are arranged on the second bracing frame, motion-captured device is arranged on collected object, motion pick device is arranged on the rotary shaft, and computer control is independently arranged.
2. dynamic kinematic acquisition system for human body bone joint as claimed in claim 1, it is characterized in that, the signal driven rotary axle that X-axis movable base, Y-axis movable base, X-axis bracing frame can provide according to computer control carries out X, Y, Z axis and moves.
3. dynamic kinematic acquisition system for human body bone joint as claimed in claim 1, it is characterized in that, the distance of the motion-captured device of motion pick device capture setting on collected object, signal is sent to computer control, and computer control provides the movable signal of X-axis movable base, Y-axis movable base, X-axis bracing frame by computing.
4. dynamic kinematic acquisition system for human body bone joint as claimed in claim 1, it is characterized in that, the first bracing frame, the second bracing frame are according to the random hue angle of rotating shaft; First bracing frame, the second bracing frame adopt annular arm to arrange, and annular arm is provided with pivot, the first x-ray bulb, the first x-ray receptor, the second x-ray bulb, the arbitrarily movement on annular arm of the 2nd X receptor.
5. dynamic kinematic acquisition system for human body bone joint as claimed in claim 1, it is characterized in that, this dynamic kinematic acquisition system for human body bone joint also comprises: the first action body sense camera head and the second action body sense camera head; First action body sense camera head, for the motion of limbs body surface and the positional information of captured target osteoarthrosis side; Second action body sense camera head, for the motion of limbs body surface and the positional information of the corresponding opposite side of captured target osteoarthrosis.
6. dynamic kinematic acquisition system for human body bone joint as claimed in claim 1, it is characterized in that, this dynamic kinematic acquisition system for human body bone joint also comprises the first calibrating installation and the second calibrating installation; First calibrating installation, for correcting the skew misalignment of the first x-ray bulb and the first x-ray receptor; Second calibrating installation, for correcting the skew misalignment of the second x-ray bulb and the second x-ray receptor.
7. dynamic kinematic acquisition system for human body bone joint as claimed in claim 1, it is characterized in that, computer, computer control is connected with data storage device, for receiving and process the data of data storage device, the bidimensional image information in real-time implementation two planes changes into the 3-dimensional image information of osteoarticular system by quick spatial registration.
8. dynamic kinematic acquisition system for human body bone joint as claimed in claim 1, it is characterized in that, motion pick device adopts SMD wireless transmission electron motion harvester, is provided with SMD action and gathers module and data receiver module;
SMD action gathers module and is provided with sensor, signal processing module, action collection bluetooth module and action collection power supply; The input port of the output termination signal processing module of sensor, the output port of signal processing module connects the input that action gathers bluetooth module, the output end of stabilized voltage supply of action collection power supply gathers bluetooth module with sensor, signal processing module and action respectively and is electrically connected, and action gathers bluetooth module transmitting data; Data receiver module is provided with data receiver bluetooth module, single-chip microcomputer, flash chip and data receiver power supply; Data receiver bluetooth module receiving action gathers the data that bluetooth module is launched, the outfan of data receiver bluetooth module is connected with the input port of single-chip microcomputer, the output port of single-chip microcomputer is connected with flash chip, the data-out port of single-chip microcomputer is preserved by USB serial ports access PC and carried out motion analysis in PC, and the voltage of voltage regulation outfan of data receiver power supply is electrically connected with data receiver bluetooth module, single-chip microcomputer and flash chip respectively;
Action gathers power supply and is provided with charging control circuit, battery and regulated power supply, the output termination battery of charging control circuit, battery is connected with regulated power supply, charging control circuit is connected with charge port respectively with battery, and output end of stabilized voltage supply gathers bluetooth module with sensor, signal processing module and action respectively and is electrically connected;
Data receiver power supply is provided with charging control circuit, battery and regulated power supply, the output termination battery of charging control circuit, battery is connected with regulated power supply, charging control circuit and battery are connected with USB serial ports respectively, and output end of stabilized voltage supply is electrically connected with data receiver bluetooth module, single-chip microcomputer and flash chip respectively.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111588394A (en) * | 2020-06-12 | 2020-08-28 | 中国人民解放军空军军医大学 | Dynamic acquisition system for human body bone joint kinematics |
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