CN106419821A - Method and device for arthroscopically measuring intra-articular structure - Google Patents
Method and device for arthroscopically measuring intra-articular structure Download PDFInfo
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- CN106419821A CN106419821A CN201610791593.7A CN201610791593A CN106419821A CN 106419821 A CN106419821 A CN 106419821A CN 201610791593 A CN201610791593 A CN 201610791593A CN 106419821 A CN106419821 A CN 106419821A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/313—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for introducing through surgical openings, e.g. laparoscopes
- A61B1/317—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for introducing through surgical openings, e.g. laparoscopes for bones or joints, e.g. osteoscopes, arthroscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00004—Operational features of endoscopes characterised by electronic signal processing
- A61B1/00009—Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- 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
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1072—Measuring physical dimensions, e.g. size of the entire body or parts thereof measuring distances on the body, e.g. measuring length, height or thickness
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- 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
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1076—Measuring physical dimensions, e.g. size of the entire body or parts thereof for measuring dimensions inside body cavities, e.g. using catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- 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
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1079—Measuring physical dimensions, e.g. size of the entire body or parts thereof using optical or photographic means
-
- 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
-
- 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
- A61B5/4538—Evaluating a particular part of the muscoloskeletal system or a particular medical condition
- A61B5/4585—Evaluating the knee
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6867—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive specially adapted to be attached or implanted in a specific body part
- A61B5/6878—Bone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/742—Details of notification to user or communication with user or patient ; user input means using visual displays
- A61B5/7435—Displaying user selection data, e.g. icons in a graphical user interface
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/7475—User input or interface means, e.g. keyboard, pointing device, joystick
- A61B5/748—Selection of a region of interest, e.g. using a graphics tablet
Abstract
The invention discloses a method and device for arthroscopically measuring an intra-articular structure. The method comprises the following steps of obtaining a target image with an arthroscope reaching inside a joint when triggering operation on image shooting is detected, wherein the target image comprises an intra-articular lesion or defect site and a measuring scale which is arranged nearby the intra-articular lesion or defect site; displaying the target image; calculating a display scale of the target image according to an pixel distance indicated in the target image with the measuring scale and an actual distance indicated with the measuring scale; determining a contour line of the intra-articular lesion or defect site according to point tracing operation on the profile of the intra-articular lesion or defect site; calculating the actual distance between any two points on the contour line of the intra-articular lesion or defect site and/or the area of the intra-articular lesion or defect site according to the contour line of the intra-articular lesion or defect site and the display scale. For a joint injury in an irregular shape, the method enables a graft to be matched with the joint injury accurately.
Description
Technical field
The present invention relates to measuring the side of joint inner structure under field of measuring technique under arthroscope, more particularly to a kind of arthroscope
Method and device.
Background technology
Arthroscope is a kind of bar-shaped optical instrument of diameter 5mm of observation intra articular structure or so, is closed for diagnosis and treatment
The endoscope of section illness.Arthroscopic essential structure is an optical system, and central authorities are the rod mirror systems for gathering image, are around
The optical fiberss of light source are imported, outside is metal coating sheath.Arthroscope is one group of photoelectric instrument for reflecting intraarticular situation, by closing
Section lens head, photographic head, main frame, the composition such as display and cold light source.Arthroscopic camera lens is long more than 20 centimetres, thick 4-5 millimeter
Thin rod, for inserting articular cavity, rod includes one group of optical fibers and one group of perspective, optical fiberss by incoming for light joint, thoroughly
Depending on then IA image being spread out of.Outside joint, optical fiberss are connected by an optical cable with cold light source, and such cold light source can
To illuminate joint；Lens are connected by one photographic head with main frame and display, so as to IA image is reflected to display
On device.Arthroscope is applied not only to the diagnosis of disease, and is widely used for the treatment of joint disease.
Locomotor disease is commonly encountered diseases, frequently-occurring disease.Locomotor disease is mostly occurred in joint part.Joint mainly includes
Knee joint, shoulder joint, elbow joint, carpal joint, hip joint, ankle joint etc..The main joint inner structure that easily damages include ligament,
Tendon, meniscuss, broad-mouthed receptacle for holding liquid lip, cartilage, intercondylar fossa etc..Once the locomotor disease in terms of there is intraarticular structural damage can be serious
The quality of life of people is have impact on, especially for athlete, games results can be had a strong impact on and even terminate sports career.
The measurement of the radial line of joint inner structure, form and area is for the essence for understanding intraarticular configuration and damaged structure
Really repair and have great importance.Such as Anterior Cruciate Ligament Ruptures Hou Gu road form and area have influence on the healing feelings of graft
Condition；Intercondylar fossa form and size are all had an impact to the rate of breaking again after the generation of disruption of the anterior and posterior cruciate ligaments and ligament reconstructive；First quarter moon
The size of plate shape state and covering cartilage surface is had an impact to osteoarthritis after meniscuss prothesiss；The area coverage of shoulder sleeve stop
Healing after shoulder sleeve prothesiss and functional rehabilitation are had a major impact；The accurate measurement of cartilage injury's defect size is for graft
The accurately mate for repairing cartilage injury has great importance.
Prior art is summarized by taking cartilage injury as an example below.
The symptom of cartilage injury's performance mainly has：Articular cartilage lacks blood supply, innervation and lymphatic return, cartilage
Cell only accounts for the 1-5% of articular cartilage volume, and chondrocyte division growth inferior capabilities cause the self-regeneration energy of cartilage injury
Power is poor.After articular cartilage damage, if timely and effectively can not treat, may be in progress osteogenic arthritis
(Osteoarthritis, OA), brings heavy economy and mental burden to patient.
Skin grafing and mending and organizational project prothesiss are the study hotspots of clinical treatment cartilage injury at present, skin grafing and mending art bag
Include Autologous Chondrocyte transplantation, autologous bone chondrocyte cell transplantation, autologous cartilage block transplanting, allogenic chondrocytes, of the same race
Allograph bone chondrocyte cell transplantation.Cartilage tissue engineered application material source is common are than wide, especially zoopery
Absorbable material polycaprolactone (PCL), dextrorotation polylactic acid (PDLA), Poly-L-lactic acid (PLLA), fibroin, decalcification cortical bone
Support, decalcified cancellous bone support, Electrospun support and hyaluronic acid scaffold etc..Operation technique mode mainly include cutting operation and
Under total joint arthroscopic diagnosis, wherein total joint mirror, cartilage grafting and organizational project art are the modus operandis for rising in recent years, entirely
Operate under arthroscope have the advantages that wound little, recover fast, but the mating always of graft and the size shape of cartilage defect
Incomplete accurate measuring method, conventional measuring method is measuring scale method and stent general laws under arthroscope at present.
Under mirror, gage method is that gage is put in joint intracavity, reads the magnitude numerical value of defect and describe shape under mirror.Under mirror
Gage method is the most frequently used measurement method in clinical and zoopery at present.As shown in figure 1, after the completion of clearing up cartilage defect, will
Measuring scale is put into intraarticular, measures the length of multiple difference radial lines, according to the shape of cartilage defect under mirror and the number of calibrated line
Value, is pruned graft and is allowed to be mated with defect.The method is for defect regular shape and the less cartilage injury of defect is than calibrated
Really.But cambered due to carrying articular surface, measuring scale is scleroid ruler more so that measuring scale is difficult completely and articular surface
Attach completely, or even measurement size is that estimated value, in addition, arthroscope has certain amplification, Arthroscopic sometimes
Camera lens itself certain angle, and usually 30 ° of angles, cause measuring result error larger, especially for defect shape
The irregular and larger cartilage injury of defect, measuring result error is bigger, so as to cause graft very poor with defect matching.
Stent general laws is using the apparatus mould of existing different size, graft to be repaired, by the transplanting after finishing
Thing is compared with cartilaginous lesion site, and cartilaginous lesion site is trimmed to and mould identical size and shape.Due to mould
Mostly regular shape, based on circle, and cartilage defect mostly is irregular defect, be matched rule shape graft then need by
Defect is trimmed to regular shape.This method is likely to damage normal cartilage, inevitably not advising cartilage injury
Then the normal cartilage of area or cartilage islands removes a part.
During the present invention is realized, inventor has found that prior art at least has problems with：Measure under arthroscope
Chi method is primarily present problem：Due to the radian of articular surface itself, under mirror, measuring scale mostly is metallic article or the processing of matter hard material
Become, with damage location it is difficult to attach completely, measurement error is larger, cause graft poor with defect matching.And stent general laws
The problem being primarily present is：In order that cartilage injury is preferably mated with the graft of regular shape, inevitably will be soft
The normal cartilage of the region of disorder of bone injury or cartilage islands removes a part, has increased cartilage injury, and to irregular area
Normal cartilage or cartilage islands also weaken the effect of its physiology support while removal.
Content of the invention
The present invention provides the method and apparatus for measuring joint inner structure under a kind of arthroscope, for solving to want in prior art
To joint injury be intraarticular pathological changes defect measurement error big, graft with to damage matching poor, or in order to
Reaching mould and accurately mate is damaged, the shape of joint injury is pruned so as to increase the problem that damages.Technical scheme is as follows：
Under a kind of arthroscope, the method for measurement joint inner structure, comprises the following steps,
When the trigger action of image taking is detected, target image, institute is obtained by probeing into the arthroscope of intra articular
Stating target image includes intraarticular pathological changes defect and the measuring scale being arranged near the intraarticular pathological changes defect；
Show the target image；
Pixel distance according to indicated by the measuring scale is in the target image, and the reality indicated by the measuring scale
Border distance, calculates the displaying ratio chi of the target image；
According to the described point operation to the intraarticular pathological changes defect profile, the intraarticular pathological changes defect is determined
Contour line；
According to contour line and the displaying ratio chi of the intraarticular pathological changes defect, the intraarticular pathological changes are calculated
The distance of any two points on the contour line of defect and/or the area of the intraarticular pathological changes defect.
In the preferred embodiment of the present invention, also include, after the target image is shown, by the mesh
Logo image judges whether the Arthroscopic camera lens is parallel with the intraarticular pathological changes defect；If it is determined that the arthroscope
Camera lens not parallel with the intraarticular pathological changes defect, then again detection image shoot trigger action.
In the preferred embodiment of the present invention, also include, after the target image is shown, by the mesh
Logo image judges whether the intraarticular pathological changes defect is parallel with the measuring scale；If it is determined that the intraarticular pathological changes lack
Damage position is not parallel with the measuring scale, then the trigger action that detection image shoots again.
In the preferred embodiment of the present invention, also include, described according to the measuring scale in the target image
In indicated pixel distance, and the actual range indicated by the measuring scale, specially：Scale pair according to the measuring scale
The pixel distance of any two points that answers, and the actual range indicated by the corresponding any two points of scale of the measuring scale.
In the preferred embodiment of the present invention, also include：According to the intraarticular pathological changes defect profile
Described point operation, determine the pixel distance between adjacent described point on the contour line of the intraarticular pathological changes defect；
According to the pixel distance between the adjacent described point on the intraarticular pathological changes defect profile and display ratio
Example chi, the actual range between the calculating adjacent described point and the girth of the intraarticular pathological changes defect.
Present invention also offers measuring the device of joint inner structure under a kind of arthroscope, the device includes：
Detection module, for the trigger action that detection image shoots；
Acquisition module, for obtaining target image；
Display module, for target image；
Generation module, for according to the described point operation to the intraarticular pathological changes defect profile, generating intraarticular disease
Become the contour line of defect；
Computing module, for calculating the phase on the displaying ratio chi of target image, or intraarticular pathological changes defect profile
The actual range of any two points on the actual range between adjacent described point, or the contour line of intraarticular pathological changes defect, or close
The area of pathological changes defect in section, or the girth of intraarticular pathological changes defect.
The beneficial effect of technical scheme provided in an embodiment of the present invention is：For erose intraarticular pathological changes defect
Position, it is not necessary to prune the shape of intraarticular pathological changes defect, can also make graft accurate with intraarticular pathological changes defect
Coupling.
Description of the drawings
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to making needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the photo of the cartilage defect of gage method under mirror in prior art；
Fig. 2 is the flow chart of a kind of method for measuring joint inner structure in an embodiment of the present invention under arthroscope；
Fig. 3 is the flow chart of a kind of method for measuring joint inner structure in present invention another kind embodiment under arthroscope；
Fig. 4 is a kind of block diagram of the device for measuring joint inner structure in an embodiment of the present invention under arthroscope；
Fig. 5 is a kind of block diagram of the device for measuring joint inner structure in an embodiment of the present invention under arthroscope；
Fig. 6 is the initial interface figure of Tracemo software used in the present invention；
Fig. 7 is the surface chart for applying Tracemo software to show the image at defects of knee position；
Fig. 8 is the surface chart for applying Tracemo computed in software displaying ratio chi；
Fig. 9 and Figure 10 are the surface chart for applying any two points distance in Tracemo software measurement image；
Figure 11 is the surface chart for applying Tracemo software to empty the labelling in image；
Figure 12 is the boundary of the transverse and longitudinal coordinate of the point for applying Tracemo software to obtain on the profile at defects of knee position
Face figure；
Figure 13 is the surface chart of the area at application Tracemo computed in software defects of knee position.
Specific embodiment
For making technical scheme and advantage clearer, below in conjunction with accompanying drawing embodiment of the present invention is made into
One step ground is described in detail.
In a first aspect of the present invention, the invention discloses a kind of method for measuring joint inner structure under arthroscope.Fig. 2 is
The flow chart for measuring the method for joint inner structure in an embodiment of the present invention under a kind of arthroscope.Referring to Fig. 2, a kind of arthroscope
The method of lower measurement joint inner structure, comprises the following steps,
In step S101, when the trigger action of image taking is detected, obtained by probeing into the arthroscope of intra articular
Target image is taken, target image includes intraarticular pathological changes defect and the measurement being arranged near intraarticular pathological changes defect
Chi；
In step s 102, show the target image；
In step s 103, according to the pixel distance that measuring scale is indicated in the target image, and indicated by measuring scale
Actual range, calculates the displaying ratio chi of target image；
In step S104, according to the described point operation to intraarticular pathological changes defect profile, determine that intraarticular pathological changes lack
Damage the contour line at position；
In step S105, according to contour line and the displaying ratio chi of intraarticular pathological changes defect, intraarticular disease is calculated
Become the actual range of any two points on the contour line of defect and/or the area of intraarticular pathological changes defect.
The method for measuring joint inner structure under a kind of arthroscope that the present invention is provided, the method is can achieve to irregular joint
The accurate measurement of interior pathological changes defect, it is not necessary to prune the shape of intraarticular pathological changes defect, can also make intraarticular pathological changes
Defect and graft accurately mate.
It will be appreciated by persons skilled in the art that measuring the side of joint inner structure under a kind of arthroscope of present invention offer
Method not only can accurate measurement intraarticular pathological changes defect, also can accurate measurement joint inner structure.
It should be noted that step S103 and step S104 no obvious sequencing.Therefore, the order of the two can be mutual
Change, i.e., step S104 is first carried out, according to the described point operation to intraarticular pathological changes defect profile, determine intraarticular pathological changes defect
The contour line at position；Step S103 is carried out again, according to measuring scale pixel distance indicated in the target image, and measuring scale institute
The actual range of instruction, calculates the displaying ratio chi of the target image；The order of other steps is constant.
Further, need it is further noted that in actual applications, the described point behaviour of intraarticular pathological changes defect profile
Make, can be for choosing the end points of intraarticular pathological changes defect profile clockwise or counterclockwise.
In order that the measurement of intraarticular pathological changes defect is more accurate, it is preferable that as shown in figure 3, what the present invention was provided
Under a kind of arthroscope, the method for measurement joint inner structure, is also included, step S203, after target image, by target
Image judges whether Arthroscopic camera lens is parallel with intraarticular pathological changes defect；If it is determined that Arthroscopic camera lens and intraarticular
Pathological changes defect is not parallel, then the trigger action that detection image shoots again, until Arthroscopic camera lens and intraarticular pathological changes
Defect is parallel, then carry out step S205, calculates the displaying ratio chi of target image.
In order that the measurement of intraarticular pathological changes defect is more accurate, can also preferably, as shown in figure 3, the present invention
The method for measuring joint inner structure under a kind of arthroscope for providing, also includes, step S204, after target image, leads to
Cross target image and judge whether intraarticular pathological changes defect is parallel with measuring scale；If it is determined that intraarticular pathological changes defect with
Measuring scale is not parallel, then the trigger action that detection image shoots again, until intraarticular pathological changes defect and the measuring scale
Parallel, then step S205 is carried out, calculates the displaying ratio chi of target image.
In order that the measurement of intraarticular pathological changes defect is more accurate, it is highly preferred that as shown in figure 3, the present invention is provided
A kind of arthroscope under measure the method for joint inner structure, also include, step S203, after target image, by mesh
Logo image judges whether Arthroscopic camera lens is parallel with intraarticular pathological changes defect；If it is determined that Arthroscopic camera lens with closed
In section, pathological changes defect is not parallel, then the trigger action that detection image shoots again, until Arthroscopic camera lens and intraarticular
Pathological changes defect is parallel, then carry out step S204, after target image, judges intraarticular pathological changes by target image
Whether defect is parallel with measuring scale；If it is determined that intraarticular pathological changes defect is not parallel with the measuring scale, then again
The trigger action that detection image shoots, until intraarticular pathological changes defect is parallel with measuring scale, then carries out step S205, calculates
The displaying ratio chi of the target image.
In actual applications, step S203 and step S204 no obvious sequencing.Therefore, the order of the two can be mutual
Change, i.e., first step S204 is carried out, after target image, intraarticular pathological changes defect and survey are judged by target image
Whether gage is parallel；If it is determined that intraarticular pathological changes defect is not parallel with measuring scale, then touching of shooting of detection image again
Send out operation；Carry out step S203 again, after target image, Arthroscopic camera lens and intraarticular are judged by target image
Whether pathological changes defect is parallel；If it is determined that Arthroscopic camera lens is not parallel with intraarticular pathological changes defect, then examine again
The trigger action that altimetric image shoots, until Arthroscopic camera lens is parallel with intraarticular pathological changes defect, then carries out step S205,
The displaying ratio chi of target image is calculated, the order of other steps is constant.
Further, in actual applications, according to the pixel distance that measuring scale is indicated in the target image, and measuring scale indication
The actual range for showing, specially：According to the pixel distance of the corresponding any two points of the scale of measuring scale, and the scale pair of measuring scale
The actual range indicated by any two points that answers.In order to realize accurate measurement, can be corresponding arbitrarily according to the whole scale of measuring scale
2 points of pixel distance, and the actual range indicated by the corresponding any two points of whole scale of measuring scale, calculate target image
Displaying ratio chi.
The method for measuring joint inner structure under a kind of arthroscope of application present invention offer, can also obtain more multi-joint knot
The parameter of structure, as shown in figure 3, the method also includes：S207, according to the described point operation to intraarticular pathological changes defect profile,
Determine the pixel distance between adjacent described point on the contour line of intraarticular pathological changes defect；According to intraarticular pathological changes defect
The pixel distance between adjacent described point and displaying ratio chi on profile, calculates the actual range between adjacent described point and intraarticular
The girth of pathological changes defect.
In a second aspect of the present invention, the invention also discloses measuring the device of joint inner structure under a kind of arthroscope.Fig. 4
Block diagram for the device of measurement joint inner structure under a kind of arthroscope in an embodiment of the present invention.As shown in figure 4, the device bag
Include：Detection module 301, acquisition module 302, display module 303, generation module 304 and computing module 305.Wherein, detection module
301 are connected with acquisition module 302, and acquisition module 302 is connected with display module 303, and display module 303 is with generation module 304 even
Connect, and generation module 304 and computing module 305 connect.
Detection module 301, for the trigger action that detection image shoots；
Acquisition module 302, for obtaining target image；
Display module 303, for target image；
Generation module 304, for according to the described point operation to the intraarticular pathological changes defect profile, generating intraarticular
The contour line of pathological changes defect；
Computing module 305, for calculating on the displaying ratio chi of target image, or intraarticular pathological changes defect profile
The actual range of any two points on the actual range between adjacent described point, or the contour line of intraarticular pathological changes defect, or
The area of intraarticular pathological changes defect, or the girth of intraarticular pathological changes defect.
With regard to the device in above-described embodiment, wherein modules execute the concrete mode of operation in relevant the method
Embodiment in be described in detail, explanation will be not set forth in detail herein.
Fig. 5 is a kind of block diagram of the device of measurement joint inner structure under arthroscope in an embodiment of the present invention.For example, fill
It can be computer to put 500, tablet device, armarium etc..
With reference to Fig. 5, device 500 includes joint mirror assembly 518, light source assembly 519, and following one or more assemblies：Place
Reason component 502, memorizer 504, power supply module 505, multimedia groupware 508, audio-frequency assembly 510, input/output (I/O) interface
512, sensor cluster 514, and communication component 516.
The integrated operation of 502 usual control device 500 of process assembly, such as with display, call, data communication, phase
The associated operation of machine operation and record operation.Process assembly 502 can refer to execute including one or more processors 520
Order, to complete all or part of step of above-mentioned method.Additionally, process assembly 502 can include one or more modules, just
Interaction between process assembly 502 and other assemblies.For example, process assembly 502 can include multi-media module, many to facilitate
Interaction between media component 508 and process assembly 502.
Memorizer 504 is configured to store various types of data to support the operation in device 500.The showing of these data
Example includes the instruction of any application program for operating on device 500 or method, picture, video etc..Memorizer 504 is permissible
Realized by any kind of volatibility or non-volatile memory device or combinations thereof, such as static RAM
(SRAM), Electrically Erasable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory EPROM (EPROM), may be programmed
Read only memory (PROM), read only memory (ROM), magnetic memory, flash memory, disk or CD.
Power supply module 505 provides electric power for the various assemblies of device 500.Power supply module 505 can include power management system
System, one or more power supplys, and other generate, manage and distribute, with for device 500, the component that electric power is associated.
Multimedia groupware 508 includes the screen of one output interface of offer between described device 500 and user.One
In a little embodiments, screen can include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen
Curtain may be implemented as touch screen, to receive the input signal from user.Touch panel includes one or more touch sensings
Device is with the gesture on sensing touch, slip and touch panel.The touch sensor can not only sensing touch or sliding action
Border, but also detect and the touch or slide related persistent period and pressure.Multimedia groupware 508 includes one
Individual front-facing camera and/or post-positioned pick-up head.When device 500 is in operator scheme, such as screening-mode or during video mode, preposition
Photographic head and/or post-positioned pick-up head can receive the multi-medium data of outside.Each front-facing camera and post-positioned pick-up head are permissible
It is the optical lens system of a fixation or with focusing and optical zoom capabilities.
Audio-frequency assembly 510 is configured to output and/or input audio signal.For example, audio-frequency assembly 510 includes a Mike
Wind (MIC), when device 500 is in operator scheme, such as call model, logging mode and speech recognition mode, mike is joined
It is set to reception external audio signal.The audio signal for being received can be further stored in memorizer 504 or via communication set
Part 516 sends.In certain embodiments, audio-frequency assembly 510 also includes a speaker, for exports audio signal.
I/O interface 512 is to provide interface between process assembly 502 and peripheral interface module, and above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include but be not limited to：Home button, volume button, start button and lock
Determine button.
Sensor cluster 514 includes one or more sensors, and the state for providing various aspects for device 500 is commented
Estimate.For example, sensor cluster 514 can detect/the closed mode of opening of device 500, and the relative localization of component is for example described
Component is display and the keypad of device 500, and sensor cluster 514 can be with detection means 500 or 500 1 components of device
Position change, user is presence or absence of with what device 500 was contacted, 500 orientation of device or acceleration/deceleration and device 500
Temperature change.Sensor cluster 514 can include proximity transducer, be configured to detect when without any physical contact
The presence of object nearby.Sensor cluster 514 can also include optical sensor, such as CMOS or ccd image sensor, for becoming
As used in application.In certain embodiments, the sensor cluster 514 can also include acceleration transducer, gyro sensors
Device, Magnetic Sensor, pressure transducer or temperature sensor.
Communication component 516 is configured to facilitate the communication of wired or wireless way between device 500 and other equipment.Device
500 can access the wireless network based on communication standard, such as WiFi, 2G or 3G, or combinations thereof.In an exemplary enforcement
In example, communication component 516 receives broadcast singal or the broadcast related information from external broadcasting management system via broadcast channel.
In one embodiment, the communication component 516 also includes near-field communication (NFC) module, to promote junction service.For example, exist
NFC module can be based on RF identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra broadband (UWB) technology, bluetooth
(BT) technology and other technologies are realizing.
Joint mirror assembly 518 is arranged to detect joint inner structure and amplifies joint inner structure, is 500 offer figure of device
Picture.
Light source assembly 519 is arranged to provide light source for arthroscope 518.
In an embodiment, device 500 can be by one or more application specific integrated circuits (ASIC), Digital Signal Processing
Device (DSP), digital signal processing appts (DSPD), PLD (PLD), field programmable gate array (FPGA), control
Device processed, microcontroller, microprocessor or other electronic components are realized, for executing above-mentioned signing messages acquisition methods.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instructing, example are additionally provided
Such as include the memorizer 504 for instructing, above-mentioned instruction can be executed by the processor 520 of device 500 to complete said method.For example,
The non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk
With optical data storage devices etc..
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium is additionally provided, when the storage is situated between
Instruction in matter by mobile terminal computing device when so that mobile terminal is able to carry out above-mentioned joint mirror image measurement intraarticular
The method of structure.
Below by taking knee articular cartilage defect as an example, the technical scheme of the embodiment of the present invention is described in further detail.
Material and facility
The patient of knee articular cartilage defect and arthroscope (30 ° of camera lenses of Smith＆nephew；Source imaging system Smith＆
Nephew 560P High Definition Camera System) and corollary equipment (display SONY LMD-2450MC；Record
As photographing device Smith＆nephew 660HD Image Management System；Dynamical system DYONICS under mirror
POWER II Control System).
Operations described below process is strictly carried out in accordance with operation sterile working.
After conventional knee approach, enter arthroscope and detect, knee joint injury cartilage and subchondral bone region is cleared up, will measurement
Chi is placed in the vicinity of knee joint injury cartilage, and defects of knee position, and knee joint defect plane is completely exposed
As far as possible parallel with Arthroscopic camera lens and measuring scale.
Shoot a photo for including the defects of knee position and part measuring scale being completely exposed；
Tracemo software is opened, as shown in Figure 6 the initial interface of the software；
" opening picture " button on Tracemo software interface is clicked on using computer mouse left button, photo is imported to
In the software, it is allowed to be shown as image (as shown in Figure 7) in software；
Click on " " button on software interface at 2 points on selection scale, select on the whole scale of the measuring scale shown by image
Take at 2 points, this 2 points of actual range 2mm is input into, and this 2 points corresponding pixel distances on picture are measured, calculate the two
Displaying ratio chi, displaying ratio chi is 1:(26.8061 as shown in Figure 8)；
" distances between the measurement any two points " button (as shown in Figure 9) on software interface is clicked on, and shown by image
Defects of knee position profile on optional 2 points, measure this 2 points of actual range 12.2mm (as shown in Figure 10)；
" emptying labelling " button on software interface is clicked on, the point of the selection on image is emptied (as shown in figure 11)；
" selection profile point " button on software interface is clicked on, soft in knee joint successively clockwise or counterclockwise on image
Selected point on the profile at Cranial defect position, point, i.e. the initial point special marking of wherein first selection, click on software interface
" showing profile point coordinates " button, shows and puts corresponding transverse and longitudinal coordinate (as shown in figure 12) accordingly；
Computer automatically generates defects of knee position according to the point on the profile at defects of knee position
Contour line, clicks on " reference area " on software interface, calculates the area at defects of knee position, and area is
91.9424mm2(as shown in figure 13).
It will be appreciated by persons skilled in the art that measuring the method for joint inner structure under a kind of arthroscope of the present invention also
The shifting for area is dissected being suitable for can be developed with the area of terminal after the forward and backward due to cruciate ligament of accurate measurement in guided operation
Tendon is planted, while bone road positioning appropriate site is accurately instructed, reduces the operative failure for causing because tunnel position is improper；Accurate survey
The articular morphology of the amount meniscuss area of coverage and area, instruct the accurately mate of meniscal implantation；Accurate measurement cavitas glenoidalis bone lacks
Damage the size that area and guides Latarjet or Bristow operation bone piece transplanting；The shape of accurate measurement hip joint broad-mouthed receptacle for holding liquid lip and big
Little, shapes and sizes of graft etc. when instructing hip joint broad-mouthed receptacle for holding liquid lip to rebuild.
The method and apparatus that joint inner structure is provided under a kind of arthroscope for being provided from above-described embodiment, the present invention,
The accurate measurement of the data such as the area of pathological changes defect and girth in arthroscopic is can achieve, has lacked intraarticular pathological changes
Damage position and graft accurately mate.And solve and measure difficult and time consuming under mirror, effectively save operating time, gained
The measurement data of the intraarticular pathological changes defect of acquisition effectively can be applied in follow-up clinical research, for probing into joint
Each several part parameter provides clinical reference foundation with joint injury probability, therapeutic scheme formulation, rehabilitation guide.
The above is for only for ease of those skilled in the art and understands technical scheme, not in order to limit
The present invention.All any modification, equivalent substitution and improvement that within the spirit and principles in the present invention, is made etc., should be included in this
Within the protection domain of invention.
Claims (6)
1. a kind of method for measuring joint inner structure under arthroscope, it is characterised in that comprise the following steps,
When the trigger action of image taking is detected, target image, the mesh is obtained by probeing into the arthroscope of intra articular
Logo image includes intraarticular pathological changes defect and the measuring scale being arranged near the intraarticular pathological changes defect；
Show the target image；
Pixel distance according to indicated by the measuring scale is in the target image, and indicated by the measuring scale actual away from
From the displaying ratio chi of the calculating target image；
According to the described point operation to the intraarticular pathological changes defect profile, the wheel of the intraarticular pathological changes defect is determined
Profile；
According to contour line and the displaying ratio chi of the intraarticular pathological changes defect, the intraarticular pathological changes defect is calculated
The actual range of any two points on the contour line at position and/or the area of the intraarticular pathological changes defect.
2. method according to claim 1, it is characterised in that also include, after the target image is shown, by institute
State target image and judge whether the Arthroscopic camera lens is parallel with the intraarticular pathological changes defect；If it is determined that the pass
The camera lens of section mirror is not parallel with the intraarticular pathological changes defect, then the trigger action that detection image shoots again.
3. method according to claim 1, it is characterised in that also include, after the target image is shown, by institute
State target image and judge whether the intraarticular pathological changes defect is parallel with the measuring scale；If it is determined that the intraarticular disease
Change defect is not parallel with the measuring scale, then the trigger action that detection image shoots again.
4. method according to claim 1, it is characterised in that described according to the measuring scale in the target image institute
The pixel distance of instruction, and the actual range indicated by the measuring scale, specially：Corresponding according to the scale of the measuring scale
The pixel distance of any two points, and the actual range indicated by the corresponding any two points of scale of the measuring scale.
5. method according to claim 1, it is characterised in that also include：According to the intraarticular pathological changes defect
The described point operation of profile, determines the pixel distance between adjacent described point on the contour line of the intraarticular pathological changes defect；
According to the pixel distance between the adjacent described point on the intraarticular pathological changes defect profile and the displaying ratio chi,
Calculate the girth of actual range between the adjacent described point and the intraarticular pathological changes defect.
6. the device of joint inner structure is measured under a kind of arthroscope, it is characterised in that described device includes：
Detection module, for the trigger action that detection image shoots；
Acquisition module, for obtaining target image；
Display module, for target image；
Generation module, for according to the described point operation to the intraarticular pathological changes defect profile, generating intraarticular pathological changes and lacking
Damage the contour line at position；
Computing module, adjacent retouches for calculate on the displaying ratio chi of target image, or intraarticular pathological changes defect profile
Actual range between point, or the actual range of any two points on the contour line of intraarticular pathological changes defect, or intraarticular
The area of pathological changes defect, or the girth of intraarticular pathological changes defect.
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