CN105530894B - Can three-dimensional motion knee joint auxiliary implement - Google Patents

Can three-dimensional motion knee joint auxiliary implement Download PDF

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Publication number
CN105530894B
CN105530894B CN201480050832.2A CN201480050832A CN105530894B CN 105530894 B CN105530894 B CN 105530894B CN 201480050832 A CN201480050832 A CN 201480050832A CN 105530894 B CN105530894 B CN 105530894B
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CN
China
Prior art keywords
shin bone
side frame
thigh
multiple
knee joint
Prior art date
Application number
CN201480050832.2A
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Chinese (zh)
Other versions
CN105530894A (en
Inventor
闵炳显
Original Assignee
亚洲大学校产学协力团
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Filing date
Publication date
Priority to KR10-2013-0082634 priority Critical
Priority to KR20130082634A priority patent/KR101518563B1/en
Application filed by 亚洲大学校产学协力团 filed Critical 亚洲大学校产学协力团
Priority to PCT/KR2014/006340 priority patent/WO2015009002A1/en
Publication of CN105530894A publication Critical patent/CN105530894A/en
Application granted granted Critical
Publication of CN105530894B publication Critical patent/CN105530894B/en

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B2017/567Joint mechanisms or joint supports in addition to the natural joints and outside the joint gaps

Abstract

The present invention discloses a kind of following knee joint auxiliary implement: in the case where the attachment surface of femoral attachment surface and shin bone does not have parallel to each other, the frame of knee joint auxiliary implement can also be clung into the attachment surface of femoral attachment surface and shin bone and be installed, and in the case where the auxiliary implement attachment surface of the abnormal and femoral auxiliary implement attachment surface of the shape of thigh and shin bone and shin bone is not on same level, the frame of knee joint auxiliary implement can also be close to be attached to thigh and shin bone and play the effect for smoothly sharing body loading.And, the present invention has the advantages that can be fixed between thigh and shin bone, joint spacing is set to be maintained constant, and knee joint is helped successfully to carry out flexion movement, moreover also knee joint is helped successfully to be rotated in predetermined angular range, therefore has the advantages that the knee joint for making patient with operation etc. is able to carry out three-dimensional motion.

Description

Can three-dimensional motion knee joint auxiliary implement

Technical field

It is fixed between femur and shin bone the present invention relates to a kind of knee joint auxiliary implement more particularly to one kind and makes joint While spacing is maintained constant, can help that flexion movement and rotary motion successfully carry out can the knee of three-dimensional motion close Save auxiliary implement.

Background technique

Joint is the position for always bearing loading because of weight or muscle strength in walking or movement.Therefore, It is deposited in the case of a fracture intra-articular, may be continuous worsening, and when implementing surgical invasion to treat joint, it needs It wants long bed rest or leans on to turn walking to protect operative site.Also, if because of the damage, abrasion or knee of articular cartilage Dysarthrasis and cause bone directly to connect with bone, then may cause knee joint position be swollen with or pain, to reduce Normal knee function simultaneously limits normal activity.Since this symptom deteriorates become that physics can not be passed through in order to prevent The state of recovery is treated, or this symptom further deteriorates in order to prevent, and joint prosthesis can be used.

It discloses and discloses following knee joint vacation in KR published patent the 1999-0037439th of the above-mentioned prior art Limb utensil, comprising: shin section has shin bone bearing surface;Bearing main body, slidably and the contact of displacement ground is in the shin bone bearing On face, and there is bearing scallop from its side that the shin bone bearing surface is separated by;Huckle is movably arranged in In the bearing scallop of the bearing main body;Guiding piece is removably secured to the shin section, makes the bearing main body The relatively described shin bone bearing surface is shifted to sagittal direction;And connecting component, it is assisted with both the guiding piece and the huckle With and rotate the huckle on the bearing main body, the connecting component includes the rotatably pin at axle journal, described Along the longitudinal axis of the shin section, perhaps the rotary axis direction parallel with the longitudinal axis extends or the longitudinal axis of the relatively described shin section pin Or the rotary shaft inclined axis direction inclined axis direction parallel with the longitudinal axis extends.The KR published patent 1999- No. 0037439 knee joint artificial limb utensil is simple due to assembling during surgery, be suitable for no ligamentum cruciatum and lateral ligament or The patient that person's ligamentum cruciatum and lateral ligament can not again work still selects the correct position for guaranteeing operating reliability Art process is complex for applying of setting, and there is the hidden danger for causing durability to reduce due to generating loading in interconnecting piece structure and concentrating.

To solve the above-mentioned problems, it discloses in Korean granted patent the 10-1110075th a kind of such as Figure 14 and Figure 15 Shown in for dispersing the auxiliary implement of knee joint loading, this is used to disperse auxiliary implement of knee joint loading as connection thigh The auxiliary implement for being used to disperse knee joint loading of bone F and shin bone T, comprising: the first frame 10, in order to be tied with the thigh F It closes and there are multiple through holes, regard one in through hole as rotation center;Second frame 20, in order to be tied with the shin bone T It closes and there are multiple through holes, regard one in through hole as rotation center;Bearing 31,32 is intervened bolt 35 and is received In the rotation center of first frame 10 and the second frame 20;And fastening unit 40, it intervenes screw 42 and makes described the One frame 10 and the second frame 20 are respectively incorporated to the thigh F and shin bone T.

But for dispersing the assistor of knee joint loading disclosed in the Korean granted patent the 10-1110075th In tool, feelings are not substantially parallel with each other in the attachment surface of the femoral attachment surface of amphi position and peri position shin bone that will fix the auxiliary implement Under condition, have the following problems: femoral attachment surface can not be close to the lower surface of the thigh side frame of auxiliary implement, or The lower surface of the shin bone side frame of the attachment surface and auxiliary implement of shin bone can not be close to, and become so as to cause the attachment of auxiliary implement The distortion of unstable or knee joint causes kneed flexion movement limited.Also, if the shape of thigh and shin bone is not Normally cause the attachment surface of the auxiliary implement of the femoral auxiliary implement attachment surface of amphi position and peri position shin bone that can not be located at same In a plane, then thigh side frame or shin bone side frame do not cling to amphi position thigh or peri position shin bone in certain side In the state of fixed, so there are problems that knee joint auxiliary implement can not be successfully the hidden danger for sharing body loading.

Summary of the invention

Technical problem

Therefore, the present invention considers the above problem, provides a kind of following knee joint auxiliary implement: in femoral attachment The attachment surface of face and shin bone do not have it is parallel to each other in the case where, the frame of knee joint auxiliary implement can also be clung into thigh Attachment surface and shin bone attachment surface and installed, and in the abnormal and femoral assistor of the shape of thigh and shin bone In the case that the auxiliary implement attachment surface of tool attachment surface and shin bone is not in approximately the same plane, knee joint can also be assisted The frame of utensil clings to thigh and shin bone and smoothly shares body loading.

Also, the purpose of the present invention is to provide a kind of following knee joint auxiliary implements: being fixed on thigh and shin bone Between, so that joint spacing is maintained constant, can not only help knee joint successfully to carry out flexion movement and successfully carry out, may be used also To help knee joint to be successfully rotated in predetermined angular range, make the kneed three-dimensional of patient with operation etc. accordingly Movement becomes possible.

Technical solution

The knee joint auxiliary implement of connection thigh and shin bone according to an aspect of the present invention includes: thigh side frame Frame, side are formed with multiple thigh bone fixation through holes, and the other side is formed with rotation center through hole;Connective element, one Side is formed with rotation center through hole corresponding with the rotation center through hole of the thigh side frame, and the other side is formed There is engaging portion;Shin bone side frame, side are formed with engaging portion corresponding with the engaging portion of the connective element, and the other side is formed with Multiple fixed through holes of shin bone;Bonded block, for across the thigh side frame rotation center through hole and institute The rotation center through hole of connective element is stated, so that the thigh side frame and the connective element can be tied rotationally each other It closes;Multiple fastening units, for the thigh side frame and the shin bone side frame to be separately fixed at thigh and shin bone; And combining unit, for making the engaging portion of the connective element and the engaging portion combination of the shin bone side frame.

In the knee joint auxiliary implement of an embodiment according to the present invention, the multiple fastening unit may include: multiple Screw, one end is formed with the first screw thread, and passes through the multiple thigh bone fixation through hole or the multiple shin bone Fixed through hole and be inserted and fixed to thigh or shin bone, the other end is formed with the second screw thread and for fastening nut Three screw threads;Multiple position adjusting nuts, screw is integrated to the lower surface from the thigh side frame or the shin bone respectively Second screw thread of the multiple screw that the lower surface of side frame is exposed, and relatively the multiple screw is revolved respectively Turn, hereby it is possible to adjust from the lower surface of the thigh side frame expose or the shin bone side frame lower surface expose The multiple respective length of screw;And multiple upper nuts, it is respectively secured to the upper table from the thigh side frame The third screw thread for the multiple screw that face or the upper surface of the shin bone side frame are exposed.

Also, in the knee joint auxiliary implement of an embodiment according to the present invention, for the shin bone side frame to be fixed It is constituted at least one of multiple fastening units of shin bone are as follows: be relatively orthogonal to the horizontal plane of the shin bone side frame Axis can be moved in preset angle, such as in about 15 ° of angular range.Specifically, internal thread part can be set in which circle round Set in the through hole that the fastening unit for capableing of the movement is passed through, the internal thread part screw be incorporated into be configured to it is described The threaded portion of the screw of the fastening unit of movement, and can rotate around.

Also, in the knee joint auxiliary implement of an embodiment according to the present invention, the combining unit is single by the connection The engaging portion of member and the engaging portion of the shin bone side frame are formed, and the engaging portion of the connective element has insertion groove, the shin The engaging portion of bone side frame has the protruding portion for being inserted into the insertion groove;The insertion groove has the insertion groove The spatial portion of the notch that a part of periphery is formed by cutting and the inside for being formed in the notch, the protruding portion It can be directed to the notch of the insertion groove equipped with flange, the flange and be inserted rotatably into the space In portion.

In knee joint auxiliary implement according to the present invention, the spatial portion is to correspond to the protruding portion and flange shape Mode is constituted, the notch and the flange can with relative to each other within the preset angle range can be mutually rotating side Formula is formed.The angle can be scheduled within the scope of 10 °~170 °.Also, the knee joint of an embodiment according to the present invention assists In utensil, the engaging portion of the shin bone side frame can be connected to the engaging portion of the connective element by means of clamping screw.

Also, in the knee joint auxiliary implement of an embodiment according to the present invention, the thigh side frame and described Shin bone side frame may include multiple pin holes, can be inserted into each position setting pin in the multiple pin hole respectively.Also, according to In the knee joint auxiliary implement of one embodiment of the invention, the rotation center through hole of the thigh side frame and described The rotation center of connective element is with being preferably respectively arranged with bearing in through hole.

Beneficial effect

It according to the present invention, can also be in the case where the attachment surface of femoral attachment surface and shin bone does not have parallel to each other Shi Shushi make can the frame of knee joint auxiliary implement of three-dimensional motion cling to the attachment surface of femoral attachment surface and shin bone And it is installed.

Also, according to the present invention, thigh and shin bone the abnormal and femoral auxiliary implement attachment surface of shape and In the case that the auxiliary implement attachment surface of shin bone is not on same level, can also when applying art by can three-dimensional motion knee The frame of joint auxiliary implement is close to be attached to thigh and shin bone and play the effect for smoothly sharing body loading.

In addition, the present invention can be fixed between thigh and shin bone, joint spacing is set to be maintained constant, and knee is helped to close Section successfully carries out flexion movement, moreover also knee joint is helped successfully to be rotated in predetermined angular range, Therefore have the advantages that the knee joint for making patient with operation etc. is able to carry out three-dimensional motion.

Detailed description of the invention

Fig. 1 is the perspective view for showing the overall structure of knee joint auxiliary implement of an embodiment according to the present invention.

Fig. 2 is the perspective view for showing the main composition part of knee joint auxiliary implement of an embodiment according to the present invention.

Fig. 3 is the profilograph for showing the overall structure of knee joint auxiliary implement of an embodiment according to the present invention.

Fig. 4 be the thigh side frame of the knee joint auxiliary implement of an embodiment according to the present invention, connective element and The profilograph of shin bone side frame.

Fig. 5 to Fig. 7 is the group for showing the main composition part of knee joint auxiliary implement of an embodiment according to the present invention The figure of dress process.

Fig. 8 is the mode of operation for showing the connective element of knee joint auxiliary implement of an embodiment according to the present invention Figure.

Fig. 9 is the partial, detailed view of the shin bone side frame of knee joint auxiliary implement according to another embodiment of the present invention.

Figure 10 to Figure 13 is the figure for showing the use state of knee joint auxiliary implement of an embodiment according to the present invention.

Figure 14 is the knee joint auxiliary implement shown according to the prior art (Korean granted patent the 10-1110075th) The profilograph of attachment state.

Figure 15 is to be attached with to be closed according to the knee of the prior art (Korean granted patent the 10-1110075th) from top Save the plan view of the state of Figure 14 of auxiliary implement.

Specific embodiment

Above-mentioned purpose, feature and advantage with the associated following embodiment of attached drawing by will become more apparent.Specifically Structure or even functional explanation show just to illustrate the embodiment of concept according to the present invention, according to the present invention general The embodiment of thought can be implemented in the form of a variety of, should not be construed as being limited to the reality illustrated in specification of the invention Apply example.The embodiment of concept according to the present invention can be subject to various deformation, and can have variform, so in attached drawing Middle illustration specific embodiment, and be described in detail in the description of the invention.But purpose do not lie in will according to this The embodiment of the concept of invention is limited to specific disclosed form, and is understood to include and belongs to thought and skill of the invention Having altered within the scope of art, equivalent and sub.

When mentioning some constituent element " connection " or " access " to other constituent elements, which can be with It is to be directly connected to or access, it should be understood that may exist other constituent elements in centre.On the contrary, being wanted when mentioning some composition When plain " being directly connected to " or " being directly accessed " arrives other constituent elements, it is thus understood that other constituent elements are not present in centre.With In other terms for the relationship between constituent element that illustrates, i.e. " ... between " and " between just ... " or " with ... phase It is adjacent " and the terms such as " with ... direct neighbor " should also be explained in the same manner.Terminology used herein of the invention is only Illustrate specific embodiment and use, is not intended to limit the present invention.Odd number be expressed in article without it is specific its When he expresses, the statement including plural number.In this specification, the terms such as " comprising " or " having " are for the spy in specified explanation Sign, number, step, operation, constituent element, part perhaps the presence of their combination and will be appreciated that be not excluded for one or Other above features or number, step, operation, the presence or additional of constituent element, part or their combination Possibility.In other no definition, all terms used herein including technical or scientific term have Meaning identical with people's normally understood content of institute in technical field of the invention with general knowledge.Usually used As the term being defined in dictionary should be interpreted as having meaning identical with the meaning in article, and in explanation of the invention In book in the case where no explicitly definition, meaning exceedingly or should not be explained in form.

Hereinafter, referring to attached drawing, preferred embodiment of the present invention will be described, so that the present invention will be described in detail. Each identical reference numeral shown in the accompanying drawings refers to identical component.

As shown in Figures 1 to 4, the knee joint auxiliary implement of an embodiment according to the present invention includes: thigh side frame 100, it is fixed on thigh;Shin bone side frame 200, is fixed on shin bone;Connective element 300 enables 100 He of thigh side frame The shin bone side frame 200 can rotationally be combined respectively with relative level plane and vertical plane.The thigh side frame 100, the shin bone side frame 200 and the connective element 300 can be by high-intensitive and light-weight materials, such as aluminium alloy Manufacture.

It is formed with multiple thighs (Femur) fixed through hole 111 in the side of the thigh side frame 100, The other side is formed with rotation center through hole 115.Also, it is formed with rotation center in the side of the connective element 300 to use Through hole 325 is formed with engaging portion 350 in the other side.Also, engaging portion is formed in the side of the shin bone side frame 200 250, multiple shin bones (Tibia) fixed through hole 211 is formed in the other side.

In knee joint auxiliary implement according to the present invention, in the thigh side frame 100 and the connection monocycle 300 In conjunction with when, can be by the rotation of the rotation center through hole 115 and the connective element 300 of the thigh side frame 100 After turning the alignment of center through hole 325, enables the bonded block 335 such as bolt pass through in these through holes 115,325, be used in combination Nut 336 fastens.The bonded block can also be made of other than bolt, nut the pin and locking ring for being formed with head. The rotation center of the thigh side frame 100 is formed with the brill of predetermined depth with the upper side of through hole 115 and bottom surfaces Hole, and bearing 330 is mountable in the drilling (reference Fig. 3).Also, in the rotation by the thigh side frame 100 The outer peripheral surface of the bonded block 335 of the rotation center through hole 325 of center through hole 115 and the connective element 300 can To be equipped with bearing 130.The bearing 130,330 is not limited to such as can manufacture as ABS resin, PTFE, resin This, can be made of any material.

Also, as shown in Figures 2 to 4, knee joint auxiliary implement according to the present invention includes combining unit, the combination list Member is for combining the engaging portion 250 of the engaging portion 350 of the connective element 300 and the shin bone side frame 200.The combination Unit is made of the engaging portion 350 of the connective element and the engaging portion 250 of the shin bone side frame 200, the connective element Engaging portion 350 there is insertion groove 351, the engaging portion 250 of the shin bone side frame 200 has for being inserted into the insertion groove Protruding portion 251 in 351.A part that the insertion groove 351 includes the periphery of the insertion groove 351 is cut (cutout) spatial portion of the notch 352 formed and the inside for being formed in the notch 352,.The protruding portion 251 can With equipped with flange 252, the flange 252 can be guided to the notch 352 of the insertion groove 351 and be inserted rotatably into In the spatial portion.Therefore, the spatial portion positioned at the inside of the notch 352 is to correspond to the protruding portion 251 and method The mode of the shape of orchid 252 is constituted.

If the flange 252 of the engaging portion 250 of the shin bone side frame 200 is in the combination for being directed at the connective element 300 In the state of the notch 352 in portion 350, after the protruding portion 251 is inserted into the insertion groove 351, it is formed with the institute of flange 252 It states protruding portion 251 to rotate in insertion groove 351, then the position of the flange 252 and the position of the notch 352 are staggered, institute It will not be fallen off from the insertion groove 351 with the protruding portion 251.Therefore, the connective element 300 and the shin bone side frame 200 can be combined into and can carry out relative rotation in the plane perpendicular to the tibial side frame plane, accordingly, the thigh Bone side frame 100 and the shin bone side frame 200 can be combined into can be perpendicular to thigh side frame and shin bone side frame Relative rotation is carried out in the plane of plane (referring to Fig. 5 to Fig. 7 and Figure 10 to Figure 13).Also, the insertion groove 351 is cut The flange 252 of oral area 352 and the protruding portion 251 may be formed so that can carry out phase within the preset angle range relative to each other To rotation.The angle can be set in the range of 10 °~170 °.

In conjunction with the engaging portion 350 of the connective element 300 formed as described above and the knot of the shin bone side frame 200 When conjunction portion 250, the notch 352 of the insertion groove 351 is aligned to consistent (reference figure with the flange 252 of the protruding portion 251 5), then the protruding portion 251 is inserted into the insertion groove 351 (referring to Fig. 6), then rotates the shin bone side frame 200 is parallel with the surface of the shin bone until the lower surface of the shin bone side frame 200.The shin bone side frame 200 is vertical The rotating range of the relatively described thigh side frame 100 in plane is preferably set to along clockwise and counter clockwise direction respectively In the range of 60 °.By above-mentioned composition, the present invention can be fixed between thigh and shin bone, and joint spacing is made to be maintained permanent It is fixed, and knee joint is helped to go on smoothly flexion movement, moreover, also help knee joint in predetermined angular range successfully into Row rotary motion, therefore have the advantages that patient with operation can be made to carry out kneed three-dimensional motion.

Selectively, in knee joint auxiliary implement according to the present invention, in conjunction with the connective element 300 and the shin bone When side frame 200, the protruding portion 251 can also be made to be inserted into the insertion groove 351 and after being aligned, make clamping screw or The bonded blocks such as fishbolt 360 are formed through in the through hole of the engaging portion 250 of the shin bone side frame 200, thus screw The engaging portion 350 for being incorporated into the connective element 300 is formed by internal thread part, is thus fixed.

In the knot that the bonded blocks such as the clamping screw or fishbolt 360 are fixed to the shin bone side frame 200 In the case where conjunction portion 250 and the engaging portion of the connective element 300 350, as shown in figure 3, preferably in the shin bone side frame Between the end of the engaging portion 350 of the end and connective element 300 of 200 engaging portion 250, along the bonded block Scheduled spacing c is arranged in 360 axial direction.

If being set up in this way axial spacing c, can prevent because in the engaging portion of the fixation shin bone side frame 200 250 and the connective element 300 engaging portion 350 when the axial power that works and generating makes the thigh side frame 100 Lower surface separated from thigh side or the power that separates the lower surface of the shin bone side frame 200 from tibial side.

In one embodiment of the invention as shown in Figures 1 to 4, it could be formed with 3 in the thigh side frame 100 Thigh bone fixation through hole 111.Also, the thigh bone fixation through hole 111 can be by the through hole 111a of minor diameter Combination with the through hole 111b of major diameter is formed, and the minor diameter through hole 111a is arranged in lower part, the major diameter perforation Hole 111b is arranged in top (referring to Fig. 4).The through hole 111a of the minor diameter and the through hole 111b of major diameter are preferably with same The mode of the heart is formed.Also, multiple fastening units are combined in the thigh bone fixation through hole 111, by the thigh Bone side frame 100 is fixed on thigh.

Multiple fastening units of the thigh side include: multiple screws 142, and one end is formed with the first screw thread 142a is inserted and fixed to thigh by the multiple thigh bone fixation through hole 111, and the other end formed it is useful In the second screw thread and third screw thread of fastening nut;Multiple position adjusting nuts 141, screw is incorporated into from the thigh respectively Second screw thread of the multiple screw 142 that the lower surface of side frame 100 is exposed, and can be by relatively described more respectively A screw 142 clockwise or rotates counterclockwise, to adjust the following table from the thigh side frame 100 The respective length of the multiple screw 142 showed out;And multiple upper nuts 144, it is respectively secured to from the thigh The third screw thread for the multiple screw 142 that the upper surface of bone side frame 100 is exposed.

The top major diameter that the multiple upper nut 144 is preferably placed in thigh bone fixation through hole 111 is passed through In through-hole 111b.

If using multiple fastening units of the thigh side with above-mentioned composition that the thigh side frame 100 is fixed In thigh, then the multiple upper nut 144 plays the function of locking nut, therefore can prevent from being fastened to the multiple spiral shell The phenomenon that nut of the upper end of adjusting screw 142 is unlocked, and can use the multiple position adjusting nut 141 will be the multiple The length adjustment of screw 142 is to meet the length of patient with operation state.The screw 142 and nut 144 are preferably by having There are the manufactures such as high-intensitive and corrosion resistance material, such as stainless steel.

Also, in one embodiment of the invention shown in Fig. 1 to Fig. 4, the shin bone side frame 200 could be formed with 4 A shin bone (Tibia) is fixed to use through hole 211.Also, the shin bone fixation can be by being arranged in the small of lower part with through hole 211 The combination of diameter through hole 211a and the major diameter through hole 211b for being arranged in top are formed (referring to Fig. 4).The minor diameter Through hole 211a and the through hole 211b of major diameter are preferably formed in concentric manner.Also, the fixed through hole of shin bone Multiple fastening units are combined in 211, so that the shin bone side frame 200 is fixed on shin bone.

Multiple fastening units of the tibial side include: multiple screws 242, and one end is formed with the first screw thread 242a, It is inserted and fixed to shin bone with through hole 211 by the way that the multiple shin bone is fixed, and the other end is formed with for fastening nut The second screw thread 242b and third screw thread 242c;Multiple position adjusting nuts 241, screw is incorporated into from the shin bone side frame respectively Second screw thread 242b of the multiple screw 242 that the lower surface of frame 200 is exposed, and can be by relatively described more respectively A screw 242 clockwise or rotates counterclockwise, to adjust from the lower surface of the shin bone side frame 200 The respective length of the multiple screw 242 exposed;And multiple upper nuts 244, it is respectively secured to from the tibial side The third screw thread 242c for the multiple screw 242 that the upper surface of frame 200 is exposed.

The multiple upper nut 244 is preferably placed in the fixed top major diameter with through hole 211 of the shin bone and penetrates through In the 211b of hole.

If the shin bone side frame 200 is fixed on using multiple fastening units of the tibial side with above-mentioned composition Shin bone, then the multiple upper nut 244 plays the function of locking nut, therefore can prevent from being fastened to the multiple screw The phenomenon that nut of 242 upper end is unlocked, and can use the multiple position adjusting nut 241 for the multiple screw The length adjustment of nail 242 is to meet the length of patient with operation state.The screw 242 and nut 244 are preferably by having height The manufacture such as material of intensity and corrosion resistance, such as stainless steel.

Also, in the knee joint auxiliary implement of an embodiment according to the present invention, as shown in the partial, detailed view in Fig. 9, In multiple fastening units of the tibial side for the shin bone side frame 200 to be fixed on to shin bone, in second screw 242 In the through hole passed through, fulcrum (Pivot) portion 243c can be set, the fulcrum 243c has and can rotate around Internal thread part 243b.In the case, the screw 242 is relatively orthogonal to the horizontal plane of opposite shin bone side frame 200 Axis, angle rotatable around for example can be set to 15 °, and the fulcrum 243c can be interference fitted into it is described It is combined in the through hole of shin bone side frame 200.As described above, by the way that be configured to the screw 242 can be opposite Vertical axes rotate around, described in freely changing according to the shape of the state of patient or thigh and shin bone The direction of insertion of screw 242.

It, can be in the thigh also, as described above, in the knee joint auxiliary implement of an embodiment according to the present invention Position adjusting nut 141,241 is extraly arranged in the lower surface of side frame 100 or the lower surface of the shin bone side frame 200 (referring to Fig. 3).Using this position adjusting nut 141,241, can thigh and shin bone shape it is abnormal and cause big In the case that the auxiliary implement attachment surface of thigh bone and the auxiliary implement attachment surface of shin bone can not be in the same plane, it can also borrow Help the height that the position adjusting nut 141,241 adjusts thigh side frame 100 or shin bone side frame 200, therefore can Thigh side frame 100 and the shin bone side frame 200 to be arranged in the same plane.According to this structure of the invention At, three-dimensional motion adjusting can be carried out to the frame of knee joint auxiliary implement when applying art, and by means of this three-dimensional motion, So that the frame of knee joint auxiliary implement is closely attached to thigh and shin bone, therefore can successfully share body loading.

Also, in the knee joint auxiliary implement of an embodiment according to the present invention, the thigh side frame 100 and institute State shin bone side frame 200 preferably respectively include capable of making position setting pin 138, multiple pin holes of 238 (referring to Fig.1) insertions 118,218 (referring to Fig. 2).Using this multiple pin holes 118,218 and the position being inserted, pin 138,238 is set, it can be with When apply art and wear knee joint auxiliary implement of the invention, thigh side frame 100 and shin bone side frame 200 are consolidated It is scheduled on the correct position of thigh and shin bone.

Then, the operation and effect of knee joint auxiliary implement of the invention are illustrated.

In knee joint auxiliary implement according to the present invention, the thigh side frame 100 and the shin bone side frame 200 are borrowed Help the connective element 300 and connected, the thigh side frame 100 and the shin bone side frame 200 can be to pass through The bonded blocks 335 such as logical bolt are rotated on the horizontal level for rotary shaft.Accordingly, following function can be played Can: so that the spacing of thigh and shin bone is maintained constant on knee joint position, and assists stretching and beading and rotary motion.

Also, in knee joint auxiliary implement according to the present invention, the flange of the engaging portion 250 of the shin bone side frame 200 252 in the state of being directed at notch 352 of engaging portion 350 of connective element 300, and the protruding portion 251 is inserted into described insert After entering in slot 351, the protruding portion 251 with flange 252 is rotated in insertion groove 351, thus, the tibial side Frame 200 can be rotated on perpendicular.Accordingly, in the attachment surface of femoral attachment surface and shin bone without that It, can also be by some in thigh side frame 100 and the shin bone side frame 200 with respect to another in the case that this is parallel Predetermined angular is rotated, to keep the thigh side frame 100 and the shin bone side frame 200 femoral to cling to respectively The mode of the attachment surface of attachment surface and shin bone is installed.

And it is possible to which position is additionally arranged in the lower surface of the thigh side frame 100 or the shin bone side frame 200 It sets and adjusts bolt 141,241, to adjust the height of the thigh side frame 100 or the shin bone side frame 200.According to This can also be by knee joint auxiliary implement in the case where femoral attachment surface is no parallel each other with the attachment surface of shin bone Frame 100,200 be closely installed on the attachment surface of femoral attachment surface and shin bone.

By the composition of the knee joint auxiliary implement of aforementioned present invention, adhere to the frame of knee joint auxiliary implement closely In thigh and shin bone, so that knee joint auxiliary implement be made smoothly to play the function of sharing body loading.

Then, knee joint part is installed to by Shi Shuer to by the knee joint auxiliary implement of an embodiment according to the present invention The process of position is illustrated.

Firstly, bearing 130 to be inserted into the rotation center through hole 115 of the thigh side frame 100, and it is aligned institute The rotation center for stating connective element 300 makes the rotation center through hole of itself and the thigh side frame 100 with through hole 325 After 115 axis center is consistent, make 100 He of thigh side frame using the bonded blocks such as in-and-out bolt 335 and nut 336 The connective element 300 combines, and be combined into and can be pivoted about with the bonded blocks such as the in-and-out bolt 335 (that is, Joint motions).Then, make the insertion groove 351 of the engaging portion 350 of the connective element 300 notch 352 and the tibial side The flange 252 of the protruding portion 251 of the engaging portion 250 of frame 200 is aligned to consistent (referring to Fig. 5).Then, by the shin bone side frame The protruding portion 251 of frame 200 is inserted into the insertion groove 351 of the connective element 300 (referring to Fig. 6), then rotates the shin bone Side frame 200, so that the lower surface of the shin bone side frame 200 is parallel with the surface of shin bone.

Alternatively, it is also possible to pass through the pin hole that each position setting pin 138,238 is inserted into the thigh side frame 100 118 and the shin bone side frame 200 pin hole 218, thus by the thigh side frame 100 and the shin bone side frame 200 are separately fixed at the correct position on thigh and shin bone.

In this case, the through hole 111 and the shin of the thigh side frame are extended through using tools such as drill bits The insertion groove of multiple screws 142,242 is formed in thigh and shin bone in the through hole 211 of bone side frame 200.Make institute State the through hole 111 and the shin bone side frame 200 of multiple screws 142,242 across shown thigh side frame 100 In through hole 211, so that the one end screw insertion of the multiple screw 142,242 is fixed to thigh and shin bone. Wherein, as shown in figure 9, be provided in second through hole of " A " the shin bone side frame 200 indicated can be in Fig. 1 In the case where the fulcrum 243c rotated around, it can be changed according to the state or thigh of patient and the shape of shin bone Pass through the direction of insertion of the screw 242 of second through hole.

Fulcrum 243b is shown in Fig. 9 be arranged in since the engaging portion 250 of the shin bone side frame 200 second pass through Situation in through-hole, but can according to need, fulcrum is also provided in other through holes of the shin bone side frame 200 243b.Also, fulcrum also can be set in the through hole of the thigh side frame 100.The multiple screw 142, 242 one end is preferably formed by self-tapping screw (self-tapping screw), to make the multiple screw 142,242 It is fastened in thigh and shin bone in the method for scraping internal screw thread in thigh and shin bone.Then, by the thigh Bone side frame 100 and the shin bone side frame 200 adjust multiple positions in the state of the separation of multiple screws 142,242 Adjusting nut 141,242 is located at the predetermined altitude of the multiple screw 142,242.Then, make the multiple screw 142,242 the other end passes through in multiple through holes 111,211, and the multiple screw is arranged in highly being adjusted The thigh side frame 100 and the shin bone side frame are disposed on the position adjusting nut 141,242 on nail 142,242 Frame 200.At this point it is possible to the position adjusting nut 141,242 be rotated as needed, to additionally adjust the thigh side frame The height of frame 100 and the shin bone side frame 200.Then, multiple upper nuts 144,242 are fastened to from the thigh The of the multiple screw 142,242 that the upper surface of side frame 100 and the upper surface of the shin bone side frame 200 are exposed Three screw threads, thus make the thigh side frame 100 and the shin bone side frame 200 the position adjusting nut 141, It is tightened securely between 242 and the upper nut 144,244.

Need perpendicular to thigh side frame in the thigh side frame 100 and the shin bone side frame 200 or In the case where carrying out relative rotary motion on the face of the plane of shin bone side frame, make 350 He of engaging portion of the connective element 300 The engaging portion 250 of the shin bone side frame 200 maintains the state for being able to carry out relative rotary motion.

In addition, needing to limit the thigh side frame 100 and the shin bone side frame 200 perpendicular to thigh side Frame perhaps carry out on the face of the plane of shin bone side frame in the case where relative rotary motion can by using clamping screw or The bonded blocks such as fishbolt 360 and the engaging portion 250 of the shin bone side frame 200 is fixed on the connective element 300 Engaging portion 350.

In knee joint auxiliary implement according to the present invention, as shown in figs.10 and 11,100 He of thigh side frame The shin bone side frame 200 can be arranged on same level, but as shown in Figure 12 and Figure 13, the shin bone side frame 200 can rotate predetermined angular to direction pivots clockwise or counter-clockwise relative to the thigh side frame 100 and be arranged.

Art is being applied after wearing the knee joint auxiliary implement of aforementioned present invention, is carrying out cleaning and sterilization treatment.According to this The knee joint auxiliary implement of invention has following function: sharing the knee joint loading of connection thigh and shin bone;Make thigh and The spacing of shin bone is maintained constant;Stretching and beading and rotary motion are assisted, and can be applied to joint prosthesis transfer operation, cartilage Suture operation, Minimally Invasive Surgery, culture transfer operation etc..

Present invention mentioned above is not limited to the above embodiments and attached drawing, has in technical field of the invention The personnel of general knowledge can it is clear without departing from the scope of the invention, a variety of replacements, deformation can be carried out And change.

Claims (5)

1. a kind of knee joint auxiliary implement, which connects thigh and shin bone characterized by comprising
Thigh side frame, side are formed with multiple thigh bone fixation through holes, and the other side is formed with rotation center perforation Hole;
Connective element, side are formed with rotation center corresponding with the rotation center through hole of the thigh side frame with passing through Through-hole, the other side are formed with engaging portion;
Shin bone side frame, side are formed with engaging portion corresponding with the engaging portion of the connective element, and the other side is formed with multiple The fixed through hole of shin bone;
Bonded block, in the rotation of the rotation center through hole and the connective element of the thigh side frame Heart through hole so that the thigh side frame and the connective element can be mutually rotating combine;
Multiple fastening units, for the thigh side frame and the shin bone side frame to be separately fixed at thigh and shin Bone;And
Combining unit, for making the engaging portion of the connective element and the engaging portion combination of the shin bone side frame,
Wherein, the multiple fastening unit includes:
Multiple screws, one end is formed with the first screw thread, and passes through the multiple thigh bone fixation through hole or described Multiple fixed through holes of shin bone and be inserted and fixed to thigh or shin bone, the other end is formed with second for fastening nut Screw thread and third screw thread;
Multiple position adjusting nuts, screw is integrated to the lower surface from the thigh side frame or the shin bone side frame respectively Second screw thread of the multiple screw that the lower surface of frame is exposed, and rotated respectively relative to the multiple screw, according to This can be adjusted from described in the exposing of the lower surface of the thigh side frame or the lower surface exposing of the shin bone side frame Multiple respective length of screw;And
Multiple upper nuts are respectively secured to the upper surface from the thigh side frame or the upper table of the shin bone side frame The third screw thread for the multiple screw showed out and have the diameter bigger than the diameter of screw,
Wherein, be formed in the fixed through hole of the shin bone be arranged as rotating around and in the multiple fastening unit At least one fastening internal screw thread fulcrum,
Wherein, it is constituted for the shin bone side frame to be fixed at least one fastening unit in multiple fastening units of shin bone Are as follows: make the lower part side of the upper nut and the interior side contacts of the fixed through hole of the shin bone and by the upper nut The axis for the horizontal plane for being relatively orthogonal to the shin bone side frame with the contact of the fixed through hole of the shin bone, can be pre- If angular range in movement.
2. knee joint auxiliary implement as described in claim 1, which is characterized in that
Screw is integrated to the threaded portion for being configured to the screw of fastening unit of the movement and rotates around, internal screw thread Portion can be arranged in circling round is capable of in the through hole that the fastening unit of the movement is passed through, and the internal thread part screw is incorporated into It is configured to the threaded portion of the screw of the fastening unit of the movement, and can be rotated around.
3. knee joint auxiliary implement as described in claim 1, which is characterized in that
The combining unit is formed by the engaging portion of the connective element and the engaging portion of the shin bone side frame, and the connection is single The engaging portion of member has insertion groove, and the engaging portion of the shin bone side frame has the protrusion for being inserted into the insertion groove Portion,
The notch and be formed in described that there is the insertion groove a part of the periphery of the insertion groove to be formed by cutting The spatial portion of the inside of notch,
The protruding portion is directed to the notch of the insertion groove and is inserted rotatably into institute equipped with flange, the flange It states in spatial portion.
4. knee joint auxiliary implement as claimed in claim 3, which is characterized in that
The spatial portion is constituted in a manner of corresponding to the protruding portion and flange shape,
The notch and the flange with relative to each other within the preset angle range can mode mutually rotating formed.
5. the knee joint auxiliary implement as described in any one in Claims 1-4, which is characterized in that
The engaging portion of the shin bone side frame is connected to the engaging portion of the connective element by means of clamping screw.
CN201480050832.2A 2013-07-15 2014-07-15 Can three-dimensional motion knee joint auxiliary implement CN105530894B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR10-2013-0082634 2013-07-15
KR20130082634A KR101518563B1 (en) 2013-07-15 Assistant device for knee joint capable of moving three-dimensionally
PCT/KR2014/006340 WO2015009002A1 (en) 2013-07-15 2014-07-15 Knee joint brace enabling three-dimensional movement

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CN105530894B true CN105530894B (en) 2019-06-07

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ITPD20050266A1 (en) * 2005-09-15 2007-03-16 Mikai Spa Apparatus for the treatment of malformations and traumatic origin afferent pathologies of the knee area
CN2879998Y (en) * 2006-03-31 2007-03-21 天津正天医疗器械有限公司 Nail hole locking structure for bone implanted product
CN200980723Y (en) * 2006-12-01 2007-11-28 深圳清华大学研究院 Anti-backing type universal precession inner fixator in front of cervical vertebra
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KR20150009077A (en) 2015-01-26
CN105530894A (en) 2016-04-27

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