CN110339011A - Indirect labor's knee prosthesis adjustable fixer - Google Patents
Indirect labor's knee prosthesis adjustable fixer Download PDFInfo
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- CN110339011A CN110339011A CN201910629881.6A CN201910629881A CN110339011A CN 110339011 A CN110339011 A CN 110339011A CN 201910629881 A CN201910629881 A CN 201910629881A CN 110339011 A CN110339011 A CN 110339011A
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- fixed plate
- footboard
- pedestal
- shank
- thigh
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- 210000003127 knee Anatomy 0.000 title claims abstract description 38
- 210000000689 upper leg Anatomy 0.000 claims abstract description 59
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 210000000629 knee joint Anatomy 0.000 claims abstract description 36
- 210000001519 tissue Anatomy 0.000 claims abstract description 27
- 230000007480 spreading Effects 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 210000002414 leg Anatomy 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 230000008450 motivation Effects 0.000 claims 2
- 210000003141 lower extremity Anatomy 0.000 abstract description 24
- 210000000544 articulatio talocruralis Anatomy 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000013150 knee replacement Methods 0.000 description 4
- 210000002683 foot Anatomy 0.000 description 3
- 210000004394 hip joint Anatomy 0.000 description 3
- 230000002980 postoperative effect Effects 0.000 description 3
- 230000002459 sustained effect Effects 0.000 description 3
- 241000607479 Yersinia pestis Species 0.000 description 2
- 210000003423 ankle Anatomy 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- -1 Fig. 1 Chemical compound 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000002639 bone cement Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007659 motor function Effects 0.000 description 1
- 210000004417 patella Anatomy 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000011883 total knee arthroplasty Methods 0.000 description 1
- 239000013598 vector Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
- A61G13/1205—Rests specially adapted therefor; Arrangements of patient-supporting surfaces for specific parts of the body
- A61G13/1245—Knees, upper or lower legs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
- A61G13/128—Rests specially adapted therefor; Arrangements of patient-supporting surfaces with mechanical surface adaptations
- A61G13/1285—Rests specially adapted therefor; Arrangements of patient-supporting surfaces with mechanical surface adaptations having modular surface parts, e.g. being replaceable or turnable
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Neurosurgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a kind of indirect labor's knee prosthesis adjustable fixer, which includes pedestal, and base top surface is equipped with thigh fixed plate, and wherein one end of thigh fixed plate is hinged with the base, and the other end is connect with the fixed cricket of shank；In the one end of shank fixed plate far from thigh fixed plate, base top surface is equipped with footboard, it is equipped with the first driving mechanism for driving shank fixed plate to occur circumferentially to overturn centered on its own axis between footboard and shank fixed plate, is equipped between footboard and pedestal for driving mobile the second driving mechanism to drive shank fixed plate and thigh fixed plate to be flipped relative to pedestal of footboard.The fixed frame can sufficiently expose outside deep tissues in knee joint and be convenient for abundant osteotomy under direct-view so that patient sufficiently clears up it；Further accurate adjustment is made to patient's knee ankle joint angle, the lower limb line of force after additionally aiding osteotomy, prepares for further measurement, removes subjectivity human error from, extend prosthese service life.
Description
Technical field
The invention belongs to medical instruments fields, and in particular to a kind of indirect labor's knee prosthesis adjustable fixer.
Background technique
Artificial knee joint replacement is that the one kind having gradually developed after modern age artificial hip joint is successfully applied to patient is controlled
The new technology of diseases of knee joint is treated, it can effectively eradicate advanced stage knee joint slight illness, greatly improve the life matter of patient
Amount.
Wherein, rebuilding the good lower limb line of force is always one of main purpose of artificial knee joint replacement, correctly artificial
The knee joint line of force can allow patient to obtain ideal gravitational vectors to conduct and optimize motion of knee joint, avoid prosthese and bone cement it
Between interface cause because of unbalance stress early stage failure, while to the maximum extent guarantee Quadriceps mechanism motor function.Therefore exist
Largely, the Postoperative Satisfaction of patient and prosthese service life depend on good art after total knee arthroplasty
The patella line of force.
For the ease of carrying out total knee replacement, need to close using to lower limb fixing device sufficiently to expose knee in art
Section.As the Chinese invention patent application of 105662773 A of Publication No. CN discloses a kind of lower limb for knee replacements
Fixed mechanism, the lower limb fixed mechanism include electric cylinders component, thigh adjusting rod, shank adjusting rod and " I " fonts sliding rail, described
Electric cylinders component lower end and " I " fonts sliding rail by electric cylinders slide mobile connection, upper end is fixedly connected with thigh adjusting rod；Greatly
Leg adjusting rod lower end and shank adjusting rod lower end pass through thigh slide, shank slide and " I " fonts sliding rail respectively and form mobile company
It connects；Pass through the fixed position of the first puller bolt between electric cylinders slide, thigh slide, shank slide and " I " fonts sliding rail；Thigh
Adjusting rod upper end is rotatedly connected by pin shaft and shank adjusting rod upper end.
However used lower limb fixed mechanism is mostly very coarse at present, is only capable of playing the role of fixed lower limb, it is unfavorable
It is in Yu Shu for further adjustments to the lower limb line of force, knee ankle angle, patient or lower limb are designed referring to preoperative lower limb overall length X piece
The line of force or bone mark is judged and recognized by personal experience and sensory experience during surgery, subjectivity error is larger, no
Conducive to the accurate assurance for carrying out entirety in art to the lower limb line of force.
Summary of the invention
Goal of the invention of the invention is to provide a kind of reduction subjective error, can be in art to the lower limb line of force and knee ankle angle
The indirect labor's knee prosthesis adjustable fixer precisely adjusted.
For achieving the above object, technical scheme is as follows:
A kind of indirect labor's knee prosthesis adjustable fixer, including pedestal, the base top surface are solid equipped with thigh
Wherein one end of fixed board, the thigh fixed plate is hinged with the base, and the other end is connect with the fixed cricket of shank；
In the one end of shank fixed plate far from thigh fixed plate, the base top surface be equipped with footboard, the footboard with
It is equipped between shank fixed plate for driving shank fixed plate that the circumferentially overturn first driving occurs centered on its own axis
Mechanism is equipped with for driving footboard mobile to drive shank fixed plate and thigh fixed plate opposite between the footboard and pedestal
In the second driving mechanism that pedestal is flipped.
In the present invention, thigh fixed plate and shank fixed plate are ball connection relationship, so that shank fixed plate has more extensively
General scope of activities, after patient's lower limb are fixed, patient can drive footboard mobile using the second driving mechanism, and thigh
Fixed plate and shank fixed plate can be flipped therewith relative to pedestal, and the angle of thigh fixed plate and pedestal is (corresponding to suffer from
Person's hip joint), the angle (corresponding patient's knee joint) of shank fixed plate and thigh fixed plate, shank fixed plate and footboard it is (right
Answer patient's knee joint) angle be adjusted to required angle；Meanwhile patient can also drive shank solid using the first driving mechanism
Fixed board makees the circumferential overturning of certain angle centered on its own axis, easily, accurately makees to patient's shank shin in art
The overturning of certain angle；The interior outside deep tissues of knee joint can not only be exposed sufficiently so in order to which patient makees it sufficiently clearly
Reason, convenient for abundant osteotomy under direct-view；Patient's knee ankle joint angle, the lower limb line of force are made further after additionally aiding osteotomy simultaneously
Accurate adjustment prepares for further measurement, removes subjectivity human error from, improves patient's Postoperative Satisfaction, and extending prosthese makes
With the service life, success rate of operation is improved.
In above-mentioned indirect labor's knee prosthesis adjustable fixer, first driving mechanism includes that setting exists
Tube shaped electric machine in footboard, the tube shaped electric machine are connected with controller, and the power output end and shank of the tube shaped electric machine are solid
It is connected between fixed board by Hooks coupling universal coupling.In the energized state, tube shaped electric machine, which rotates and passes through Hooks coupling universal coupling, drives shank
Circumferential overturning occurs for fixed plate；Patient, which is able to pass through the controller, controls the revolving speed and/or corner parameter of tube shaped electric machine, from
And the flip angle of shank fixed plate can be accurately controlled.
In above-mentioned indirect labor's knee prosthesis adjustable fixer, second driving mechanism includes being set to foot
The magnet of pedal bottom surface, the base top surface are equipped with for attracting electromagnetism of the magnet to drive footboard to move along a straight line gradually
Iron array, all electromagnet are connected with controller.Under the control of the controller, the energized state or current direction of electromagnet
Real-time change can occur, therefore the electromagnet that magnet can be energized and magnetic pole is opposite attracts and is fixed on footboard accordingly
Position on, when the energized state of the electromagnet in array or current direction pests occurrence rule change, magnet can be by gradually
Attract, so that footboard be driven to move along a straight line.
In above-mentioned indirect labor's knee prosthesis adjustable fixer, the magnet has at least two, all
Magnet is evenly distributed along the direction perpendicular with footboard mobile route；The electromagnet array is at least two column and at least
Two rows, the quantity and spacing of each column electromagnet are consistent with the quantity of magnet and spacing, belong to the electromagnet of a line along foot pedal
Plate mobile route is evenly distributed.
In order to ensure magnet can successfully be attracted by neighbouring electromagnet and reach scheduled position, footboard bottom surface
One column magnet is only set；Also, the radius of magnet is preferably big compared with the radius of electromagnet, while compared with electromagnet radius and electromagnetism
The summation of iron spacing wants small.
In above-mentioned indirect labor's knee prosthesis adjustable fixer, the thigh fixed plate and shank fixed plate
Inside it is equipped with length adjustment mechanism, the top surface of the thigh fixed plate and shank fixed plate is equipped with bandage.Bandage can incite somebody to action
Patient thigh and shank are separately fixed on corresponding position, and length adjustment mechanism can be realized thigh fixed plate and shank is solid
The length adjustment of fixed board, to adapt to the long patient of different legs.
In above-mentioned indirect labor's knee prosthesis adjustable fixer, the thigh fixed plate includes and pedestal phase
Hinged substrate and the expansion plate connecting with the fixed cricket of shank, the substrate is interior to be equipped with accommodating cavity, and the expansion plate slides peace
The locating part for fixing expansion plate is equipped in the accommodating cavity, and between expansion plate and substrate.
The locating part may include the first elastic button being mounted on expansion plate, and be provided with accommodating cavity side wall
On row's limit hole, by push and pull expansion plate, the first elastic button is embedded in different limit holes, be may be implemented to shank
The length adjustment of fixed plate (or thigh fixed plate).
In order to which thigh fixed plate to be fixed on required flip angle, in the lower section of thigh fixed plate, base top surface is also
It can be hinged with support plate, and the bottom surface of thigh fixed plate then offers multiple non-slip grooves for being used to accommodate support plate end.It is aobvious
So, it is telescopic that support plate, which may be set to be,.But, under normal circumstances, it is fixed in patient's lower limb of the invention
On indirect labor's knee prosthesis adjustable fixer and after foot pedal Board position is fixed, even if being not provided with support plate, thigh is fixed
The positional relationship of plate and shank fixed plate will not change, and the setting of support plate is in order to ensure thigh fixed plate and shank
The positional relationship of fixed plate is more firm.
In previous total knee replacement, after lower limb are fixed, generally require patient and hold drag hook piece etc.
Tissue retractor pulls to expose knee joint the tissue at knee joint；It not only needs assistant to pull in side, but also pulls
Dynamics also bad control.Therefore in the indirect labor's knee prosthesis adjustable fixer stated, the base top surface is also set
There is the tissue spreading mechanism for driving knee joint cavity exposure.
In above-mentioned indirect labor's knee prosthesis adjustable fixer, the tissue spreading mechanism includes being set to greatly
Circumferential driver near leg fixed plate and shank fixed plate junction, the power output end of the circumferential direction driver are fixedly connected with
Belt wheel is arranged with pull strap on the belt wheel, and the head end of the pull strap is detachably connected with drag hook piece.The present invention utilizes week
It is rotated to drive belts movable belt pulley, and the tail end of pull strap is fixed on belt wheel, belt wheel can tighten pull strap when rotating, thus
Tractive force is provided for drag hook piece, realizes that the tissue of mechanization struts, manpower can not only be saved, observes knee joint cavity for patient
Situation provides more broad space, and is capable of the size of the tractive force of real-time control belt wheel, is ensuring that tissue is effectively supportted
While opening, avoid causing patient unnecessary damage.
In the present invention, drag hook piece is detachably accepted to pull strap head end, and such patient can easily replace not
Same drag hook piece, while convenient for carrying out cleaning and sterilizing to used drag hook piece.
The base top surface described in above-mentioned indirect labor's knee prosthesis adjustable fixer is equipped with Y-direction straight-line electric
Machine, the circumferential driver are fixedly mounted on the power output end of the Y-direction linear motor.Y-direction linear motor serves not only as week
Support to driver, additionally it is possible to the height adjustment of circumferential driver is realized, to ensure that belt wheel and knee joint are in sustained height
On.
Y-direction linear motor, which can be, is fixed on base top surface, and can be can be along base top surface sliding.Y-direction is straight
When the sliding setting of line motor, belt wheel can not only be adjusted to be on sustained height with knee joint, moreover it is possible to is adjusted to just
It is opposite with knee joint.When Y-direction linear motor is fixedly installed, though it is difficult to ensure that belt wheel is just opposite with knee joint, in knee joint
Side slightly before or effect strutted on the tissue of drag hook piece later have no too big influence.
In above-mentioned indirect labor's knee prosthesis adjustable fixer, the tissue spreading mechanism has at least one
Group belongs to one group of two tissue spreading mechanisms and is symmetrically disposed in shank fixed plate or thigh fixed plate two sides.When setting two
When group or multiple groups tissue spreading mechanism, the difference that different groups of tissue spreading mechanism can be uniformly arranged on to knee joint two sides is straight
It, can not be with knee joint just with respect to bring defect to make up belt wheel caused by Y-direction linear motor is fixedly installed on line position.
Compared with prior art, the beneficial effects of the present invention are embodied in:
In the present invention, thigh fixed plate and shank fixed plate are ball connection relationship, so that shank fixed plate has more extensively
General scope of activities, after patient's lower limb are fixed, patient can drive footboard mobile using the second driving mechanism, and thigh
Fixed plate and shank fixed plate can be flipped therewith relative to pedestal, and the angle of thigh fixed plate and pedestal, shank is solid
The angle of fixed board and the angle of thigh fixed plate, shank fixed plate and footboard is adjusted to required angle；Meanwhile patient may be used also
By the circumferential overturning for using the first driving mechanism that shank fixed plate is driven to make certain angle centered on its own axis, in art
Easily, accurately make the overturning of certain angle to patient's shank shin；It is deep so can not only sufficiently to expose outside in knee joint
Layer tissue sufficiently clears up it in order to patient, convenient for abundant osteotomy under direct-view；It is additionally aided after osteotomy simultaneously to patient's knee
Ankle joint angle, the lower limb line of force make further accurate adjustment, prepare for further measurement, remove subjectivity human error from,
Patient's Postoperative Satisfaction is improved, prosthese service life is extended, improves success rate of operation.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of indirect labor's knee prosthesis adjustable fixer of the present invention；
Fig. 2 is a kind of structural representation of the indirect labor's knee prosthesis adjustable fixer of the present invention under another visual angle
Figure；
Fig. 3 is a kind of top surface structure schematic diagram of indirect labor's knee prosthesis adjustable fixer of the present invention；
Fig. 4 is a kind of side structure schematic diagram of indirect labor's knee prosthesis adjustable fixer of the present invention；
Fig. 5 is the enlarged drawing of part A in Fig. 4；
Fig. 6 is the schematic diagram of internal structure of machine box in Fig. 1.
Specific embodiment
Further details of the technical solution of the present invention with reference to the accompanying drawings and detailed description.
Embodiment 1
As shown in Figure 1, a kind of indirect labor's knee prosthesis adjustable fixer of the present embodiment, including pedestal 1, with patient
Lower limb exercise range be adapted, the pedestal 1 of the present embodiment can be the plate in rectangle, and when use is directly placed at operating bed
Tailstock, meanwhile, pedestal 1 should have certain stability, be toppled over anti-displacement frame.
In the top surface of pedestal 1, wherein one end of pedestal 1 is hinged with a thigh fixed plate 2, the top surface of the thigh fixed plate 2
Equipped with bandage 7, it to be used for immobilized patients leg portion.As shown in Figure 1, the bandage 7 that the present embodiment uses includes being oppositely arranged on greatly
The fixing belt 71 and adjusting band 72 of 2 two sides of leg fixed plate, wherein the head end of fixing belt 71 is fixed with adjusting buckle 73, adjusts band 72
It can wear and be fixed on the adjusting buckle 73.
As needed, in thigh fixed plate 2, bandage 7 can be set gradually along 2 length direction of thigh fixed plate it is more
Root.
In order to be adapted from the long patient of different legs, the thigh fixed plate 2 in the present embodiment is arranged to scalable
, it is provided with length adjustment mechanism (not shown).There is the side that length adjustment can be much carried out to plate in the prior art
Method, those skilled in the art, which can according to need, selects any one.As an implementation, thigh fixed plate 2 includes base
Plate and expansion plate, wherein wherein one end of substrate is hinged with pedestal 1, and the endface of the other end is equipped with accommodating cavity, the expansion plate
It is slidably mounted in the accommodating cavity, and is equipped with the locating part for fixing expansion plate between expansion plate and substrate.
The locating part may include the first elastic button being mounted on expansion plate, and be provided on accommodating cavity side wall
First elastic button is embedded in different limit holes by pushing and pulling expansion plate, may be implemented to fix thigh by one row's limit hole
The length adjustment of plate 2.
As depicted in figs. 1 and 2, in conjunction with Fig. 4 as it can be seen that in order to which thigh fixed plate 2 is fixed on required flip angle,
The lower section of thigh fixed plate 2,1 top surface of pedestal is also hinged with support plate 8, and the bottom surface of thigh fixed plate 2 then offers multiple use
In the non-slip groove 21 for accommodating 8 end of support plate.It is apparent that it is telescopic that support plate 8, which may be set to be,.
As shown in Figures 2 and 3, in conjunction with Fig. 4 as it can be seen that the fixing end of thigh fixed plate 2 and pedestal 1 are hinged, and its freedom
End is then connect with 3 ball of shank fixed plate.Identical as thigh fixed plate 2, the top surface of shank fixed plate 3 also is provided with bandage 7, and shank
Fixed plate 3 be also set to be it is telescopic, stretch mode can be set into identical as thigh fixed plate 2.
It is connect with 2 ball of thigh fixed plate so that shank fixed plate 3 can either be with shank fixed plate 3 and thigh fixed plate 2
It is flipped centered on tie point, to adjust knee joint angle；Also it can be turned over centered on 3 own axes of shank fixed plate
Turn, to adjust the lower limb line of force.
As shown in Figure 2 and Figure 4, in the one end of shank fixed plate 3 far from thigh fixed plate 2,1 top surface of pedestal is equipped with footboard
4, it is equipped between the footboard 4 and shank fixed plate 3 circumferential for driving shank fixed plate 3 to occur centered on its own axis
First driving mechanism 5 of overturning, meanwhile, it is additionally provided between footboard 4 and pedestal 1 for driving the movement of footboard 4 small to drive
The second driving mechanism 6 that leg fixed plate 3 and thigh fixed plate 2 are flipped relative to pedestal 1.
As shown in Figure 5, in conjunction with Fig. 4 as it can be seen that first driving mechanism 5 includes being arranged in footboard 4 in the present embodiment
Tube shaped electric machine 51, the power output end of the tube shaped electric machine 51 extend to 4 outside of footboard and between shank fixed plate 3 by ten thousand
It is connected to shaft coupling 53；The tube shaped electric machine 51 is also connected with controller (not shown), is additionally provided on footboard 4 convenient for tubulose
The power interface 53 and signal source interface 54 that motor 51 is connected with power supply (not shown) and controller.
In the energized state, tube shaped electric machine 51 rotates and drives shank fixed plate 3 with its own by Hooks coupling universal coupling 53
Circumferential overturning occurs centered on axis；Patient is able to pass through the controller revolving speed and/or corner the parameter progress to tube shaped electric machine 51
Control, convenient for overturning in art to shank, is convenient for patient so as to accurately control the flip angle of shank fixed plate 3
The lower limb line of force of patient is adjusted and entirety is held.
As shown in Figure 5, in conjunction with Fig. 4 as it can be seen that second driving mechanism 6 includes being set to 4 bottom surface of footboard in the present embodiment
Magnet 61,1 top surface of pedestal are then equipped with 62 gusts of electromagnet for attracting magnet 61 gradually to drive footboard 4 to move along a straight line
Column, all electromagnet 62 are connected with controller, and 1 side of pedestal is equipped with the power supply to connect one to one with each electromagnet 62 and connects
Mouth 53, connect convenient for electromagnet 62 with the pin on controller one by one.
Under the control of the controller, real-time change can occur for the energized state of electromagnet 62, therefore magnet 61 can be by
Be powered and the opposite electromagnet 62 of magnetic pole attracts and footboard 4 is fixed on a corresponding position, when the electromagnet 62 in array
Energized state pests occurrence rule variation when, magnet 61 can be attracted gradually, so that footboard 4 be driven to move along a straight line.
In order to ensure magnet 61 can successfully be attracted by neighbouring electromagnet 62 and reach scheduled position, footboard
A column magnet 61 is only arranged in 4 bottom surfaces, which can only be arranged one, also can be set multiple；When the multiple magnet of setting
It is preferably that all magnet 61 is evenly distributed along the direction perpendicular with 4 mobile route of footboard when 61.
Obviously, 62 array of electromagnet must can just drive footboard 4 mobile at least two column；And electromagnet 62
The line number of array is then suitable with the quantity of magnet 61, and the electromagnet 62 for belonging to a line is evenly distributed along 4 mobile route of footboard；And
In same row, what the spacing between the spacing between electromagnet 62 and magnet 61 was also consistent with, to attract magnetic correspondingly
Iron 61.
As shown in figure 5, the present embodiment is provided with a magnet 61 in 4 bottom surface center of footboard, and then set in 1 top surface of pedestal
A line electromagnet 62 evenly distributed along 4 mobile route of footboard is set.
From fig. 5, it can be seen that the radius of magnet 61 is big compared with the radius of electromagnet 62, while compared with 62 radius of electromagnet and electricity
The summation of 62 spacing of magnet wants small, this is also for ensuring that electromagnet 62 that magnet 61 can be nearby powered attracts and occurs
Position transfer.
When the position of footboard 4 changes, angle, shank fixed plate 3 between thigh fixed plate 2 and pedestal 1 and big
Angle, shank fixed plate 3 between leg fixed plate 2 and the angle between footboard 4 can all change, this series of position
Changing will drive the hip joint, knee joint, ankle-joint of patient and occurs chain angle change, and this is for patient's joint of lower extremity angle
The adjustment of degree, the lower limb line of force has a very important significance.
In previous total knee replacement, after lower limb are fixed, generally require patient and hold drag hook piece
96 equal tissue retractors pull to expose knee joint cavity the tissue at knee joint；Assistant is not only needed to pull in side, and
And drawing dynamics also bad control.Therefore as depicted in figs. 1 and 2, in conjunction with Fig. 3 as it can be seen that indirect labor's knee joint of the present embodiment
It replaces in adjustable fixer, 1 top surface of pedestal is additionally provided with the tissue spreading mechanism 9 for driving knee joint cavity exposure.
As shown in Figure 5, in conjunction with Fig. 1 and Fig. 2 and Fig. 3 as it can be seen that the tissue spreading mechanism 9 includes being symmetrically disposed in pedestal 1
Two Y-direction linear motors 91 of top surface, the power output end of the Y-direction linear motor 91 can make lifting moving, and the Y-direction straight line
The power output end of motor 91 is fixed with a machine box 92, and motor 93 is fixed in the machine box 92, and the power output end of motor 93 is solid
Surely there is a belt wheel 94, be arranged with pull strap 95 on belt wheel 94, the head end of the pull strap 95 is detachably connected with drag hook piece 96.
The present invention is rotated using motor 93 with movable belt pulley 94, and the tail end of pull strap 95 is fixed on belt wheel 94, belt wheel 94
Pull strap 95 can be tightened when rotation, to provide tractive force for drag hook piece 96, realize that the tissue of mechanization struts, it can not only
The case where saving manpower, observing knee joint cavity for patient provides more broad space, and is capable of real-time control belt wheel 94
The size of tractive force avoids causing patient unnecessary damage while ensuring that tissue is effectively strutted.
As shown in fig. 6, drag hook piece 96 is detachably accepted to 95 head end of pull strap, such patient can easily more
Different drag hook pieces 96 is changed, while convenient for carrying out cleaning and sterilizing to used drag hook piece 96.In the present embodiment, drag hook piece 96
Detachable mounting means are as follows: the head end of pull strap 95 is fixed with attachment base 97, offers installation passage 97a in the attachment base 97,
And the location hole 97b being connected with installation passage 97a is offered on attachment base 97；The tail end of drag hook piece 96 is then fixed with connector
98, which can be inserted into installation passage 97a, and the second bullet with the self-positioning hole 97b pop-up of energy on the connector 98
Property button 99.
By the second elastic button 99 of pressing, enter the second elastic button 99 in installation passage 97a, it can be by drag hook piece
96 unload and are replaced.
In the present embodiment, Y-direction linear motor 91 can be fixed on 1 top surface of pedestal such as Fig. 1, being also possible to can be along
The (not shown) of 1 top surface of pedestal sliding.
When Y-direction linear motor 91, which slides, to be arranged, belt wheel 94, which can not only be adjusted to, is in sustained height with knee joint
On, moreover it is possible to it is adjusted to just opposite with knee joint, it is ensured that the tissue of drag hook piece 96 struts effect.
When Y-direction linear motor 91 is fixedly installed, though being difficult to ensure that belt wheel 94 is just opposite with knee joint, not excessive knee is closed
Save angle adjustable range it is relatively small when, drag hook piece 96 be in knee joint side slightly before or it is organized to strut effect later
Have no too big influence.It additionally can be fixed to make up Y-direction linear motor 91 by the way that two or more sets tissue spreading mechanisms 9 are arranged
Different groups of tissue can not can will be strutted machine at this time with knee joint just with respect to bring defect by belt wheel 94 caused by being arranged
Structure 9 is uniformly arranged on the different linear positions of knee joint two sides.
Claims (10)
1. a kind of indirect labor's knee prosthesis adjustable fixer, including pedestal (1), the pedestal (1) top surface is equipped with big
Leg fixed plate (2), which is characterized in that wherein one end of the thigh fixed plate (2) is hinged with pedestal (1), the other end with
The connection of shank fixed plate (3) ball；
In the one end of shank fixed plate (3) far from thigh fixed plate (2), the pedestal (1) top surface is equipped with footboard (4), should
It is equipped between footboard (4) and shank fixed plate (3) for driving shank fixed plate (3) that week occurs centered on its own axis
It is equipped with to the first driving mechanism (5) of overturning, between the footboard (4) and pedestal (1) for driving footboard (4) mobile to drive
The second driving mechanism (6) for being flipped shank fixed plate (3) and thigh fixed plate (2) relative to pedestal (1).
2. indirect labor's knee prosthesis adjustable fixer as described in claim 1, which is characterized in that described first drives
Motivation structure (5) includes the tube shaped electric machine (51) being arranged in footboard (4), which is connected with controller, described
Tube shaped electric machine (51) power output end and shank fixed plate (3) between be connected by Hooks coupling universal coupling (53).
3. indirect labor's knee prosthesis adjustable fixer as described in claim 1, which is characterized in that described second drives
Motivation structure (6) includes the magnet (61) set on footboard (4) bottom surface, and the pedestal (1) top surface is equipped with for attracting magnetic gradually
Electromagnet (62) array of iron (61) to drive footboard (4) to move along a straight line, all electromagnet (62) with controller phase
Even.
4. indirect labor's knee prosthesis adjustable fixer as claimed in claim 3, which is characterized in that the magnet
(61) have at least two, all magnet (61) is evenly distributed along the direction perpendicular with footboard (4) mobile route；Described
Electromagnet (62) array have at least two column and at least two rows, the quantity and spacing of each column electromagnet (62) with magnet (61)
Quantity and spacing are consistent, and the electromagnet (62) for belonging to a line is evenly distributed along footboard (4) mobile route.
5. indirect labor's knee prosthesis adjustable fixer as described in any one of claim 1-4, which is characterized in that
Be equipped with length adjustment mechanism in the thigh fixed plate (2) and shank fixed plate (3), the thigh fixed plate (2) and
The top surface of shank fixed plate (3) is equipped with bandage (7).
6. indirect labor's knee prosthesis adjustable fixer as claimed in claim 5, which is characterized in that the thigh is solid
Fixed board (2) includes the substrate being hinged with pedestal (1) and the expansion plate that connect with shank fixed plate (3) ball, is equipped in the substrate
Accommodating cavity, the expansion plate are slidably mounted in the accommodating cavity, and are equipped between expansion plate and substrate for fixing expansion plate
Locating part.
7. indirect labor's knee prosthesis adjustable fixer as described in any one of claim 1-4, which is characterized in that
Described pedestal (1) top surface is additionally provided with the tissue spreading mechanism (9) for driving knee joint cavity exposure.
8. indirect labor's knee prosthesis adjustable fixer as claimed in claim 7, which is characterized in that the tissue support
Opening mechanism (9) includes the circumferential driver near thigh fixed plate (2) and shank fixed plate (3) junction, this circumferentially drives
The power output end of dynamic device is fixedly connected with belt wheel (94), and pull strap (95), the pull strap are arranged on the belt wheel (94)
(95) head end is detachably connected with drag hook piece (96).
9. indirect labor's knee prosthesis adjustable fixer as claimed in claim 8, which is characterized in that the pedestal
(1) top surface is equipped with Y-direction linear motor (91), and the circumferential driver is fixedly mounted on the power of the Y-direction linear motor (91)
Output end.
10. indirect labor's knee prosthesis adjustable fixer as claimed in claim 7, which is characterized in that the tissue
Spreading mechanism (9) has at least one set, belongs to one group of two tissue spreading mechanisms (9) and is symmetrically disposed in shank fixed plate (3)
Or thigh fixed plate (2) two sides.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910629881.6A CN110339011A (en) | 2019-07-12 | 2019-07-12 | Indirect labor's knee prosthesis adjustable fixer |
| PCT/CN2020/090104 WO2021008211A1 (en) | 2019-07-12 | 2020-05-13 | Adjustable fixing apparatus assisting in artificial knee joint replacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910629881.6A CN110339011A (en) | 2019-07-12 | 2019-07-12 | Indirect labor's knee prosthesis adjustable fixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110339011A true CN110339011A (en) | 2019-10-18 |
Family
ID=68176043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910629881.6A Withdrawn CN110339011A (en) | 2019-07-12 | 2019-07-12 | Indirect labor's knee prosthesis adjustable fixer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110339011A (en) |
| WO (1) | WO2021008211A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021008211A1 (en) * | 2019-07-12 | 2021-01-21 | 杭州市萧山区中医院 | Adjustable fixing apparatus assisting in artificial knee joint replacement |
| CN113520778A (en) * | 2021-07-01 | 2021-10-22 | 毛兴佳 | Positioning platform for orthopedic joint replacement operation |
| CN114376850A (en) * | 2022-02-11 | 2022-04-22 | 上海华商医药医疗器材有限公司 | Reverse body position fixing device and reverse fixed body position frame |
| CN115154165A (en) * | 2022-08-02 | 2022-10-11 | 厦门博创中源医疗科技有限公司 | Leg supporting device for operation |
| CN116035842A (en) * | 2023-03-28 | 2023-05-02 | 中国科学院自动化研究所 | Portable foldable bedside positioning arm and medical diagnosis device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113520779B (en) * | 2021-07-01 | 2022-06-07 | 毛兴佳 | Orthopedics joint cuts bone replacement apparatus |
| CN113350110B (en) * | 2021-07-13 | 2023-02-07 | 深圳市康乐医疗器材有限公司 | Arthroscope auxiliary supporting equipment used in orthopedic surgery |
| CN113662805B (en) * | 2021-08-19 | 2024-02-09 | 中国人民解放军东部战区总医院 | Multi-pose knee joint rehabilitation training robot |
| CN115192343A (en) * | 2022-08-12 | 2022-10-18 | 中国科学院大学宁波华美医院 | Auxiliary treatment device for popliteal scar |
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| US4901385A (en) * | 1989-06-09 | 1990-02-20 | Adolphson Emil E | Adjustable therapeutic leg support device |
| CN101879083B (en) * | 2010-08-09 | 2011-09-28 | 钱建民 | Operation retractor with draw-off chain rope |
| CN203039624U (en) * | 2012-12-10 | 2013-07-03 | 刘刚 | Cradle magnetic driver |
| CN105662773A (en) * | 2016-03-12 | 2016-06-15 | 上海大学 | Lower limb fixing mechanism for knee joint replacement |
| US10136952B2 (en) * | 2016-06-16 | 2018-11-27 | Zimmer, Inc. | Soft tissue balancing in articular surgery |
| CN209032670U (en) * | 2018-05-19 | 2019-06-28 | 李国柱 | A kind of medical bone surgical arthroscopic auxiliary stand |
| CN109966108A (en) * | 2019-05-10 | 2019-07-05 | 赵滨 | A kind of replacement knee in arthroplasty auxiliary stand |
| CN210932527U (en) * | 2019-07-12 | 2020-07-07 | 杭州市萧山区中医院 | Adjustable fixing device for assisting artificial knee joint replacement |
| CN110339011A (en) * | 2019-07-12 | 2019-10-18 | 杭州市萧山区中医院 | Indirect labor's knee prosthesis adjustable fixer |
-
2019
- 2019-07-12 CN CN201910629881.6A patent/CN110339011A/en not_active Withdrawn
-
2020
- 2020-05-13 WO PCT/CN2020/090104 patent/WO2021008211A1/en active Application Filing
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021008211A1 (en) * | 2019-07-12 | 2021-01-21 | 杭州市萧山区中医院 | Adjustable fixing apparatus assisting in artificial knee joint replacement |
| CN113520778A (en) * | 2021-07-01 | 2021-10-22 | 毛兴佳 | Positioning platform for orthopedic joint replacement operation |
| CN114376850A (en) * | 2022-02-11 | 2022-04-22 | 上海华商医药医疗器材有限公司 | Reverse body position fixing device and reverse fixed body position frame |
| CN114376850B (en) * | 2022-02-11 | 2023-12-08 | 上海华商医药医疗器材有限公司 | Reverse position fixing device and reverse fixed position frame |
| CN115154165A (en) * | 2022-08-02 | 2022-10-11 | 厦门博创中源医疗科技有限公司 | Leg supporting device for operation |
| CN115154165B (en) * | 2022-08-02 | 2024-05-10 | 厦门博创中源医疗科技有限公司 | Leg supporting device for operation |
| CN116035842A (en) * | 2023-03-28 | 2023-05-02 | 中国科学院自动化研究所 | Portable foldable bedside positioning arm and medical diagnosis device |
| CN116035842B (en) * | 2023-03-28 | 2023-08-25 | 中国科学院自动化研究所 | Portable foldable bedside positioning arm and medical diagnosis device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021008211A1 (en) | 2021-01-21 |
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Application publication date: 20191018 |
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