CN107361881A - A kind of distal femur prosthese using trabecular bone structure for increasing bone reserve capacity - Google Patents
A kind of distal femur prosthese using trabecular bone structure for increasing bone reserve capacity Download PDFInfo
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- CN107361881A CN107361881A CN201710667797.4A CN201710667797A CN107361881A CN 107361881 A CN107361881 A CN 107361881A CN 201710667797 A CN201710667797 A CN 201710667797A CN 107361881 A CN107361881 A CN 107361881A
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- broach
- condyle
- femur
- patch
- oversleeve
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 55
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- 210000004872 soft tissue Anatomy 0.000 claims description 19
- 210000003739 neck Anatomy 0.000 claims description 9
- 230000007547 defect Effects 0.000 abstract description 9
- 230000002980 postoperative effect Effects 0.000 abstract description 4
- 208000015181 infectious disease Diseases 0.000 abstract description 3
- 206010018833 Haematocoele Diseases 0.000 abstract description 2
- 208000005873 Hematocele Diseases 0.000 abstract description 2
- 241000521257 Hydrops Species 0.000 abstract description 2
- 206010030113 Oedema Diseases 0.000 abstract description 2
- 201000004920 hematocele of tunica vaginalis testis Diseases 0.000 abstract description 2
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- 210000003414 extremity Anatomy 0.000 description 6
- 210000003127 knee Anatomy 0.000 description 6
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- 230000007774 longterm Effects 0.000 description 5
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- 208000002966 Giant Cell Tumor of Bone Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 235000018259 Solanum vestissimum Nutrition 0.000 description 1
- 240000002825 Solanum vestissimum Species 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 208000031737 Tissue Adhesions Diseases 0.000 description 1
- 241000826860 Trapezium Species 0.000 description 1
- 229910000771 Vitallium Inorganic materials 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
- A61F2/3607—Femoral heads ; Femoral endoprostheses including proximal or total replacement of the femur
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2002/30985—Designing or manufacturing processes using three dimensional printing [3DP]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
- A61F2/3609—Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
- A61F2002/3611—Heads or epiphyseal parts of femur
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
- A61F2/3609—Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
- A61F2002/3611—Heads or epiphyseal parts of femur
- A61F2002/3615—Heads or epiphyseal parts of femur having a concave shape, e.g. hemispherical cups
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Transplantation (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to a kind of distal femur prosthese using trabecular bone structure for increasing bone reserve capacity, and one layer of trabecular bone structure is respectively equipped with the surface of the perpendicular ridge of the anti-rotation of broach needle body part and six and on the wall of broach oversleeve two front and two side walls.Broach is screwed onto on broach oversleeve, and broach oversleeve is arranged on above condyle of femur patch, and the central shaft of lateral femoral condyle prosthesis is inserted in broach oversleeve by condyle of femur patch, and the contact surface of condyle of femur patch and lateral femoral condyle prosthesis is mutually fixed by bone cement.The structure of broach oversleeve can meet the use of different Cranial defect situations, and adding prosthese with reference to bone trabecula surface has a mechanics point of safes and the long access point of biology, improves prosthese initial stability and long-time stability, can effectively reduce prosthese mechanical complications.Condyle of femur patch not only acts as connection function, can fill up the generation that postoperative cavity avoids hematocele hydrops well, reduce infection.
Description
Technical field
It is to be used for stock the present invention relates to a kind of distal femur prosthese using trabecular bone structure for increasing bone reserve capacity
Bone condyles are primary or metastatic tumo(u)r excision Limb preservation, severe trauma bone repair, knee prosthesis after caused by revision procedure
Structural Cranial defect rebuild condyle of femur artificial prosthesis.
Background technology
With the development of surgery operating technology, the innovation of tumor imaging technology and the expansion of new adjuvant chemotherapy technology,
Limb-sparing surgery has turned into the main flow treatment method of malignant bone tumor；Meanwhile the structural Cranial defect that severe trauma, inflammation are formed faces
It is also required to be rebuild to recover limb function on bed.Bone tumour is apt to occur in distal femur, and the good hair part of metastatic carcinoma, with
The development for protecting limb technology, tumour joint reconstruction limbs turn into main guarantor's limb mode.But the characteristics of because of oncotherapy
Cause tumour prosthetic designs huge, bone and surrounding soft tissue's excision are extensive.The present of the treatment of tumour in multidisciplinary high speed development
My god, treatment level and technology have had significant progress.But the development of existing tumour prosthese has hysteresis, many times
Because must not the few normal bone of cut-out without suitable tumour prosthese.It is huge for some special tumour such as bones
The treatment of cytoma, its surgical excision scope can be controlled within 5cm, but because no suitable prosthese, often
Above and below 10cm normal bone is also cut off in prosthese reconstruction operations, and giant cell tumor of bone patient is mostly youth, it is contemplated that survival
Phase is longer, and the dependence for joint is stronger, and more bones retain the validity period that may extend prosthese, in some instances it may even be possible to reduce
The number of operation, stabilization and function these removed normal bones for prosthese are most valuable, although Clinical practice
The technology of homogeneous allogenic bone or autologous bone transplanting is tackled, but its effect is all unsatisfactory, and it is extra to increase some
Complication.Aspect is overhauled in wound repair and prosthese, is often also required to the use of tumour prosthese to complete to treat, but be similarly
The huge prosthetic component of placement must cut off normal bone more, although this can solve problem at the moment, long-term stabilization
Property be also affected because excessive bone is cut off.The root of problem is that the demand of design and the treatment of prosthese does not match, in knee
On condyle of femur and tibial plateau lower section is the region ignored in prosthese in joint, specifically for the artificial of femur condyle displacement
Prosthese.
For the fixed form in joint prosthesis's prosthese, mainly include cement reaction and biological fixation two ways,
The former is postoperative can to recover limb function in short term, but medium-long term prosthese crash rate is higher, and the wind for bone cement disease occur be present
Danger, failure mode show as aseptic loosening, fracture, dislocation etc..Be present the possibility of Bone Ingrowth in the mode of biological fixation, can improve
Long-term stability in prosthese, but initial stability is not high, the influence factor that degree is grown into by the later stage is more.Although the latter deposits
Increasingly received in some drawbacks but this fixed form by patient and doctor, be the focus of research.
The content of the invention
The technical problems to be solved by the invention are：For currently without specifically for femur condyle bone structure defect reconstruction
Artificial prosthesis, and the complication rate such as prosthetic loosening, fracture, surrounding fracture caused by Biomechanical factor is high, prosthese
The short deficiency of service life, there is provided a kind of distal femur prosthese using trabecular bone structure for increasing bone reserve capacity, the stock
Bone condyle artificial prosthesis fully takes into account the morphological feature in region on condyle of femur, and design biological fixation mode can be more suitable
The bony defect for being used in distal femur, from design consider prosthese factor steady in a long-term, it is more reasonable from biomethanics
Distribution reverse iso-stress, the function of joint demands of requirements at the higher level can be met, and be adapted to the limited state of an illness of bone amount defect.Should
Condyle of femur artificial prosthesis disclosure satisfy that the situation of different distal femur Cranial defects, using matching component and at the beginning of prosthese being improved
Beginning stability, and then the high rate of complication is reduced, reach the purpose for extending the prosthese life-span.
To achieve the above object, used technical scheme is the present invention：A kind of use bone for increasing bone reserve capacity
The distal femur prosthese of trabecularism, including broach, lateral femoral condyle prosthesis, it is characterised in that：Also include broach oversleeve, condyle of femur is mended
Block；
The broach needle body part is the cylinder of hexagon, on six faces of broach needle body part, is respectively equipped with an anti-perpendicular ridge of rotation,
One layer of trabecular bone structure is provided with the surface of the perpendicular ridge of the anti-rotation of broach needle body part and six, broach needle body part one end is cylinder, circle
Cylinder is provided with external screw thread, and the broach needle body part other end is bullet-shaped body, is slitted on bullet-shaped body provided with decussation
Mouthful；
The broach oversleeve top and bottom are oval face, and upper oval face is less than lower oval face, the antetheca arc of broach oversleeve
Degree is less than rear wall radian, and two walls front and two side are step structure, and one layer is provided with two walls front and two side walls
Trabecular bone structure, taper joint is provided with lower oval face, is arranged with a rectangular preiection in taper connection port, two
Rectangular preiection face corresponds respectively to the front face and rear surface of broach oversleeve, and hole I is provided with upper oval face, is provided with hole I
One section of internal thread, hole I communicate with taper connection port；
The condyle of femur patch is polygonal body, and condyle of femur patch is plane above and below, condyle of femur patch trapezoidal shape
The face above combined with the lower end behind trapezoidal shape with lower plane is inclined-plane, and the two sides of condyle of femur patch are cambered surface,
Several soft tissue reconstruction holes are respectively equipped with the cambered surface of both sides, are respectively equipped with the two sides behind condyle of femur patch several soft
Tissue reconstruction hole, several soft tissue reconstruction holes in the cambered surface of both sides respectively with it is adjacent behind on several soft tissue reconstruction holes pair
It should set and communicate, the face between two adjacent row soft tissue reconstruction holes is mat surface, the lower end behind condyle of femur patch
Inclined-plane be provided with rectangle recessed area, half slot is provided with condyle of femur patch lower plane, in half slot be provided with and taper above
The hole II that hole communicates；
On the central shaft of the lateral femoral condyle prosthesis, two two be engaged with two rectangular preiections of broach oversleeve are arranged with
Neck；
The cooperation that the broach covers the internal thread of armhole I by external screw thread and broach is screwed onto on broach oversleeve, the broach oversleeve
Pass through being equipped with condyle of femur patch for taper joint and condyle of femur patch tapered hole, the center of the lateral femoral condyle prosthesis
Axle is inserted by hole II below condyle of femur patch in the taper joint of broach oversleeve, and two rectangular preiections of taper joint clamp
In two necks of central shaft, the anteromedial surface before the trapezoidal shape of condyle of femur patch with lateral femoral condyle prosthesis passes through bone cement
Mutually fixation, two inclined-planes of condyle of femur patch lead to bone cement with the preceding following and rear medial surface of lateral femoral condyle prosthesis respectively mutually to be fixed.
The beneficial effects of the invention are as follows：This condyle of femur artificial prosthesis fully takes into account the morphological feature in region on condyle of femur,
The broach oversleeve close with cortex inner chamber form on condyle of femur is provided to meet the use of different Cranial defect situations, and is designed to
The marrow inner surface of cortex inner chamber can be entered, adding prosthese with reference to bone trabecula surface has a mechanics point of safes and biology to grow into
Point, prosthese initial stability and long-time stability are improved, so as to effectively reduce prosthese mechanical complications.Femur simultaneously
The design of condyle patch not only acts as connection function, and the shape of emulation can fill up postoperative cavity well and avoid hematocele hydrops
Generation reduces infection, and the reconstruction demand of surrounding tissue is considered in the reconstruction hole of side completely, so as to more meet clinic
Needs.
In a word, designed more using customized type instant invention overcomes the tumorous type knee-joint prosthesis used at present, i.e. prosthese factory
Key pulp cavity diameter that family need to provide according to doctor, the data such as osteotomy length are made, the deficiency that patient's stand-by period is grown.This
Prosthese by condyle of femur patch and broach oversleeve different model assemble and the adjustment of broach length can meet difference in crowds band
Indefinite sexual factor in the art come, the function of joint demand of requirements at the higher level can be met, and be adapted to the state of an illness of various bone amount defects,
So that the stability growth basis that prosthese is long-term while immediate postoperative stability is obtained and in being provided for, reduces prosthese
Medium-long term complication, extend the prosthese life-span, alleviate patient due to overhauling the great pain brought, reconstruction operations operation
Relatively easy, biomechanical strength compatibility is good, and prosthese initial stability and mid-long term stability are good, can be with different model shin
Bone prosthese is engaged, and versatility is stronger.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
The structural representation of Fig. 2 broach of the present invention；
Fig. 3 is Fig. 2A enlarged drawing；
Fig. 4 is the side view of broach of the present invention；
Fig. 5 is the structural representation of broach oversleeve of the present invention；
Fig. 6 is the side view of broach oversleeve of the present invention；
Fig. 7 is the top view of broach oversleeve of the present invention；
Fig. 8 is the structural representation of condyle of femur patch of the present invention；
Fig. 9 is the side view of broach oversleeve of the present invention；
Figure 10 is the top view of broach oversleeve of the present invention；
Figure 11 is the upward view of broach oversleeve of the present invention；
Figure 12 is the front view of lateral femoral condyle prosthesis of the present invention；
Figure 13 is the rearview of lateral femoral condyle prosthesis of the present invention；
Figure 14 is the side view of lateral femoral condyle prosthesis of the present invention.
Embodiment
To make those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings to this hair
Bright embodiment is described further：
As shown in Fig. 1 to Figure 14, a kind of distal femur prosthese using trabecular bone structure for increasing bone reserve capacity, including marrow
Pin 1, lateral femoral condyle prosthesis 4, in addition to broach oversleeve 2, condyle of femur patch 3.
The needle body part of broach 1 is the cylinder of hexagon, and on six faces of the needle body part of broach 1, it is perpendicular to be respectively equipped with an anti-rotation
Ridge 1-1, one layer of trabecular bone structure, the needle body part one end of broach 1 are provided with the perpendicular ridge 1-1 of the anti-rotation of the needle body part of broach 1 and six surface
For cylinder, cylinder is provided with external screw thread 1-2, and the needle body part other end of broach 1 is bullet-shaped body, is set on bullet-shaped body
There is decussation gap 1-3.
The top and bottom of broach oversleeve 2 are oval face, and upper oval face is less than lower oval face, the antetheca of broach oversleeve 2
2-1 radians are less than rear wall 2-2 radians, and two walls front and two side are step structure, on two walls front and two side walls
Provided with one layer of trabecular bone structure, taper joint 2-3 is provided with lower oval face, one is arranged with taper joint 2-3 mouths
Individual rectangular preiection 2-3-1, two rectangular preiection 2-3-1 faces correspond respectively to the antetheca 2-1 faces and rear wall 2-2 faces of broach oversleeve,
The 2-4 of hole I is provided with upper oval face, is provided with one section of internal thread in the 2-4 of hole I, the 2-4 of hole I communicates with taper joint 2-3 mouths.
Condyle of femur patch 3 is polygonal body, and condyle of femur patch 3 is plane above and below, the trapezoidal shape of condyle of femur patch 3
Before 3-2 lower end is combined with lower plane behind 3-1 and trapezoidal shape face be inclined-plane 3-3, the both sides of condyle of femur patch 3
Face is cambered surface, and several soft tissue reconstruction hole 3-8 are respectively equipped with the cambered surface of both sides, the 3-2 both sides behind condyle of femur patch 3
Be respectively equipped with several soft tissue reconstruction hole 3-8 on face, several soft tissue reconstruction hole 3-8 in the cambered surface of both sides respectively with it is adjacent after
Several soft tissue reconstruction hole 3-8 on the 3-2 of face are correspondingly arranged and communicated, between two adjacent row soft tissue reconstruction hole 3-8
Face be mat surface, rectangle recessed area 3-4 is provided with the inclined-plane 3-3 of lower end behind the condyle of femur patch 3, under condyle of femur patch 3
Plane is provided with half slot 3-5, and the 3-7 of hole II communicated with tapered hole 3-6 above is provided with half slot 3-5.
On the central shaft 4-1 of lateral femoral condyle prosthesis 4, two two rectangular preiection 2-3-1 phases with broach oversleeve 2 are arranged with
The two neck 4-1-1 coordinated.
Broach 1 is screwed onto on broach oversleeve 2 by external screw thread 1-2 and the 2-4 internal threads of 2 hole of broach oversleeve I cooperation, marrow
Needle guard 2 being equipped with condyle of femur patch 3 by the taper joint 2-3 and tapered hole 3-6 of condyle of femur patch 3 of sleeve.By stock
The central shaft 4-1 of bone condyle prosthese 4 is inserted by the 3-7 of hole II below condyle of femur patch 3 in the taper joint 2-3 of broach oversleeve 2,
Taper joint 2-3 two rectangular preiection 2-3-1 are installed in central shaft 4-1 two neck 4-1-1, condyle of femur patch 3
3-1 and lateral femoral condyle prosthesis 4 anteromedial surface 4-2 are mutually fixed by bone cement before trapezoidal shape, and two of condyle of femur patch 3 are tiltedly
Face 3-3 leads to bone cement with the preceding 4-3 and rear medial surface 4-4 below of lateral femoral condyle prosthesis 4 respectively mutually to be fixed.
The formation of trabecular bone structure：Surface spraying layer of metal or 3D printing form imitative trabecular bone structure.
Broach 1, broach oversleeve 2, the material of condyle of femur patch 3 are titanium alloy.
The material of lateral femoral condyle prosthesis 4 is vitallium.
The design of broach 1 improves, and decussation gap 1-3 tuning fork structure is provided with the bullet-shaped body of broach 1, easily
The thigh pain caused by insertion pulp cavity and reduction stress.
Ridge 1-1 is erected in anti-rotation on 1 needle body part of broach, six faces, can improve the anti-rotation intensity after prosthese is inserted, and is increased
Anti-rotation effect of the broach 1 in pulp cavity.
Surface trabecular bone structure be able to can so be grown with the true bone trabecula of infinite approach so as to stimulate growing into for osteocyte
The biological fixation of phase, increase the stabilization and effective utilization of prosthese.
Broach 1 is bonded together by being press-fitted with pulp cavity, and the incipient stability of prosthese is provided with reference to the broach oversleeve press-fitting force of 2
Property.
The structure design of broach oversleeve 2, it is that we are obtained by strong morphometry in cortex on Normal condyle of femur
Morphological data and statistical classification and design construction.It more conforms to the cortex inner chamber form in region on normal population condyle of femur,
Based on trapezium structure, so the component of special shape design can obtain the effect more matched, when broach oversleeve 2 inserts femur
During condyles, the cancellous bone that is around compressed, which can fill up gap around and preferably contact enhancing, puts heavy function, the pressure of Simultaneous Stabilization
With the anti-spin that can provide high intensity, anti-rotation can be increased on mechanics, the ability of stretch-proof, can also reduce the concurrent of prosthese
Disease.The surface of broach oversleeve 2 is the gradual broadening ledge structure of trabecular bone structure, and this design can meet that various osteotomy are high
The demand of degree, it can be connected when osteotomy is excessive as extendible portion, osteotomy can select big-and-middle small size suitable part to insert when few
Enter cortex chamber, play anti-rotation and increase steady effect, the trabecular bone structure on surface stimulates the growth of bone bridge in addition, and real stable dispersion should
The effect of power.4 two neck 4-1-1 occlusion structures of two rectangular preiection 2-3-1 and lateral femoral condyle prosthesis, play rotation prevention and
Conduction so that strength stable allocation avoids concentrating the generation being broken between component.
The structure design of condyle of femur patch 3, it is that the benefit for meeting kneecap slideway height was not yet occurred according to current prosthese
Block, for most prosthesis systems using pad as what is proposed by the way of making up, condyle of femur patch 3 is as broach oversleeve on condyle of femur
Excessive design is dissected between 2 and the articular surface of lateral femoral condyle prosthesis 4, this meets human body knee joint design feature, ensures knee joint peripheral
The tension distribution of ligament and muscle, while several soft tissue reconstruction hole 3-8 of both sides structure design, it can flexibly rebuild knee pass
The section residual terminal such as ligament and muscle Quadriceps mechanism, the terminal booster action of reconstruction, and two adjacent rows can be used as
Face between individual soft tissue reconstruction hole 3-8 is mat surface, reaches the stable effect of growth beneficial to tissue adhesion, the shape of emulation is set
Meter can reduce the generation for avoiding increasing because of sludging the infection of joint with filling space, can flexible reconstruction of knee
Remain the terminals such as ligament and muscle Quadriceps mechanism.
Lateral femoral condyle prosthesis 4 is conventional surface knee joint femoral end.The upper two neck 4- of the central shaft 4-1 of lateral femoral condyle prosthesis 4
1-1 is designed, with 2 two rectangular preiections of broach oversleeve
Fit structure, play the prevention and conduction of rotation so that strength stable allocation avoids concentrating the generation being broken between component.
Connecting hole 4-5 can be connected with conventional tibial component by hinge and is combined into（Rotation）Hinge knee joint system, front articular surface
4-6, lower section articular surface 4-7, condyles articular surface 4-8 are designed using general femoral condyles face, are closed using this general condyle of femur
The reason for nodal section is versatile, smooth fossa intercondyloidea incisura, improves kneecap incisura during high flexing, outer ledge is submissive, energy
More preferable soft tissue protection is provided.
3-1 and lateral femoral condyle prosthesis 4 anteromedial surface 4-2 realize gapless connect before the trapezoidal shape of condyle of femur patch 3
Touch, two inclined-plane 3-3 of condyle of femur patch 3 are realized continuously with the preceding 4-3 and rear medial surface 4-4 below of lateral femoral condyle prosthesis 4 respectively
The contact of gap, and mutually fixed by bone cement, the displacement between component can be avoided.
A kind of application method for the distal femur prosthese using trabecular bone structure for increasing bone reserve capacity, step is such as
Under：
This prosthese is applied to the treatment that the tumour, wound, skeleton animation prosthese of distal femur are rebuild, and by taking tumour as an example, exists first
After the bone and tissue of tumor resection invasion and attack, expand marrow device using speciality and expand distal section pulp cavity in femoral shaft, complete pulp cavity and expand marrow
Expand marrow using special expansion marrow device on condyle of femur afterwards, select to expand marrow diameter big 2mm broach 1 and broach oversleeve 2 than maximum, by marrow
Pin 1 and broach oversleeve 2 are inserted on pulp cavity and condyle after being threadedly coupled by expansion pith cavity, after broach oversleeve 2, which inserts sclerotin, reaches requirement,
Needing to check whether can easily extract or in the presence of rocking, be rocked as that can not extract also to be not present easily, reach stablizing effect,
Using the perfect matching of broach 1, the shape of broach oversleeve 2 and skeletal shape, two, which are in press-fitting, is issued to stabilization, and is long-term
Biology offer basis is provided because there is the shape of broach oversleeve 2 good anti-rotation to act on.
The lateral femoral condyle prosthesis 4 and suitable condyle of femur patch 3 that selection and broach oversleeve 2 match in vitro, in condyle of femur
Above Cement is inserted on the central shaft 4-1 of lateral femoral condyle prosthesis 4 patch 3 again after smearing on 3-1 and two inclined-plane 3-3, is made
Before condyle of femur patch 3 3-1 and the anteromedial surface 4-2 of lateral femoral condyle prosthesis 4 realize it is gapless contact, condyle of femur patch 3
Two inclined-plane 3-3 realized respectively with the preceding 4-3 and rear medial surface 4-4 below of lateral femoral condyle prosthesis 4 it is gapless contact, then by femur
Condyle prosthese 4 is fixed on broach oversleeve by the tapered hole 3-6 of condyle of femur patch 3 and the taper joint 2-3 of broach oversleeve 2 cone with cooperation
On 2, make the taper joint 2-3 of the central shaft 4-1 insertion broach oversleeve 2 of lateral femoral condyle prosthesis 4 intraoral, two of taper joint 2-3
Rectangular preiection 2-3-1 is installed in central shaft 4-1 two neck 4-1-1.
Assembled finally by the shin bone partial joint accessory commonly used in the connecting shaft hole 4-5 in lateral femoral condyle prosthesis 4 and clinic,
It is combined into mobilizable knee-joint prosthesis.
Connection more than and assemble under installation, what all parts all extremely matched is arranged on bone, and for knee
The compression that is likely to occur under joint part active characteristics, traction, rotation stress can conduct between prosthese and sclerotin well,
Imitation body biomechanicses feature as far as possible, avoids the generation of complication.
The installation of condyle of femur patch 3 is in order to avoid the appearance in a large amount of spaces of femur condyle, and can be very good to connect
Broach oversleeve 2 and lateral femoral condyle prosthesis 4 turn into an entirety, and stress can also be conducted by condyle of femur patch 3, play and avoid stress
Concentrating causes the effect of fracture, can be repaired by the soft tissue reconstruction hole 3-8 of the side of condyle of femur patch 3 around reconstruction of knee
The Quadriceps mechanisms such as ligament, tendon and the capsular ligament of residual, play the function of strengthening with Saving cortilage.
Above is the preferable implementation to the present invention is illustrated, but the invention is not limited to the implementation
Example, those skilled in the art can also make a variety of equivalent variations on the premise of without prejudice to spirit of the invention or replace
Change, these equivalent variations or replacement are all contained within the application claim limited range.
Claims (1)
1. a kind of distal femur prosthese using trabecular bone structure for increasing bone reserve capacity, including broach（1）, condyle of femur it is false
Body（4）, it is characterised in that：Also include broach oversleeve（2）, condyle of femur patch（3）；
The broach（1）Needle body part is the cylinder of hexagon, in broach（1）On six faces of needle body part, it is respectively equipped with one and prevents
The perpendicular ridge of rotation（1-1）, in broach（1）Needle body part and six anti-perpendicular ridges of rotation（1-1）Surface be provided with one layer of trabecular bone structure, broach
（1）Needle body part one end is cylinder, and cylinder is provided with external screw thread（1-2）, broach（1）The needle body part other end is bullet-shaped
Body, decussation gap is provided with bullet-shaped body（1-3）；
The broach oversleeve（2）Top and bottom are oval face, and upper oval face is less than lower oval face, broach oversleeve（2）'s
Antetheca（2-1）Radian is less than rear wall（2-2）Radian, two walls front and two side are step structure, in two walls front and two
Side wall is provided with one layer of trabecular bone structure, and taper joint is provided with lower oval face（2-3）, in taper joint（2-3）Mouthful
On be arranged with a rectangular preiection（2-3-1）, two rectangular preiections（2-3-1）Face corresponds respectively to the antetheca of broach oversleeve
（2-1）Face and rear wall（2-2）Face, hole I is provided with upper oval face（2-4）, hole I（2-4）Inside it is provided with one section of internal thread, hole I
（2-4）With taper joint（2-3）Mouth communicates；
The condyle of femur patch（3）For polygonal body, condyle of femur patch（3）It is plane above and below, condyle of femur patch（3）
Before trapezoidal shape（3-1）Behind trapezoidal shape（3-2）The face that is combined with lower plane of lower end be inclined-plane（3-3）, femur
Condyle patch（3）Two sides be cambered surface, several soft tissue reconstruction holes are respectively equipped with the cambered surface of both sides（3-8）, in condyle of femur
Patch（3）Below（3-2）Two sides on be respectively equipped with several soft tissue reconstruction holes（3-8）, several soft groups in the cambered surface of both sides
Knit and rebuild hole（3-8）Respectively with it is adjacent behind（3-2）On several soft tissue reconstruction holes（3-8）It is correspondingly arranged and communicates, phase
Two adjacent row soft tissue reconstruction holes（3-8）Between face be mat surface, in condyle of femur patch（3）The inclined-plane of lower end below
（3-3）It is provided with rectangle recessed area（3-4）, in condyle of femur patch（3）Lower plane is provided with half slot（3-5）, in half slot（3-5）
It is interior to be provided with and tapered hole above（3-6）The hole II communicated（3-7）；
The lateral femoral condyle prosthesis（4）Central shaft（4-1）On, it is arranged with two and broach oversleeve（2）Two rectangular preiections
（2-3-1）Two necks being engaged（4-1-1）；
The broach（1）Pass through external screw thread（1-2）With broach oversleeve（2）Hole I（2-4）The cooperation of internal thread is screwed onto broach oversleeve
（2）On, the broach oversleeve（2）Pass through taper joint（2-3）With condyle of femur patch（3）Tapered hole（3-6）Be equipped with
Condyle of femur patch（3）Above, the lateral femoral condyle prosthesis（4）Central shaft（4-1）Pass through condyle of femur patch（3）Below hole II
（3-7）Insert broach oversleeve（2）Taper joint（2-3）It is interior, taper joint（2-3）Two rectangular preiections（2-3-1）Clamp
In central shaft（4-1）Two necks（4-1-1）It is interior, condyle of femur patch（3）Trapezoidal shape before（3-1）With lateral femoral condyle prosthesis
（4）Anteromedial surface（4-2）Mutually fixed by bone cement, condyle of femur patch（3）Two inclined-planes（3-3）It is false with condyle of femur respectively
Body（4）It is preceding below（4-3）And rear medial surface（4-4）Logical bone cement is mutually fixed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710667797.4A CN107361881B (en) | 2017-08-07 | 2017-08-07 | Femur far-end prosthesis capable of increasing bone preservation quantity and adopting bone trabecular structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710667797.4A CN107361881B (en) | 2017-08-07 | 2017-08-07 | Femur far-end prosthesis capable of increasing bone preservation quantity and adopting bone trabecular structure |
Publications (2)
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| CN107361881A true CN107361881A (en) | 2017-11-21 |
| CN107361881B CN107361881B (en) | 2023-11-24 |
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| CN201710667797.4A Active CN107361881B (en) | 2017-08-07 | 2017-08-07 | Femur far-end prosthesis capable of increasing bone preservation quantity and adopting bone trabecular structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109875729A (en) * | 2019-03-05 | 2019-06-14 | 福建医科大学附属第一医院 | A kind of single condyle displacement femoral prosthesis and its application method equipped with metal filling block |
| CN109984874A (en) * | 2019-05-14 | 2019-07-09 | 赵滨 | A kind of pair of femoral inferior segment bone defect reinforces the fixed support construction of support |
| CN112404433A (en) * | 2020-10-30 | 2021-02-26 | 嘉思特华剑医疗器材(天津)有限公司 | Oxide layer-containing zirconium-niobium alloy partitioned trabecular single-compartment tibial platform and preparation method thereof |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1099427A1 (en) * | 1999-11-09 | 2001-05-16 | Amplitude | Reconstruction femoral shaft |
| CN2576200Y (en) * | 2002-09-16 | 2003-10-01 | 李维诗 | Preset artificial hip-joint thigh-bone handle |
| US6702854B1 (en) * | 1999-06-01 | 2004-03-09 | Apex Surgical, Llc | Implantable joint prosthesis |
| US20040122521A1 (en) * | 2002-12-20 | 2004-06-24 | Lee Chelynne Nicole | Prosthetic knee implant with modular augment |
| US20060241635A1 (en) * | 2005-04-06 | 2006-10-26 | Stumpo David J | Prosthetic revision knee system |
| US20080004701A1 (en) * | 2006-06-30 | 2008-01-03 | Howmedica Osteonics Corp. | Femoral component and instrumentation |
| CN101172062A (en) * | 2006-10-19 | 2008-05-07 | 德普伊产品公司 | Bowed femoral sleeve |
| US20080140212A1 (en) * | 2001-05-15 | 2008-06-12 | Robert Metzger | Elongated femoral component |
| US20090036992A1 (en) * | 2006-04-07 | 2009-02-05 | Athanasios Tsakonas | Total Knee Arthroplasty Endoprothesis with Third Condyle and Rotating Polyethylene Insert |
| CN102112070A (en) * | 2008-06-06 | 2011-06-29 | 米歇尔·贝尔科维 | Total knee prosthesis |
| CN202096312U (en) * | 2011-03-18 | 2012-01-04 | 北京百慕航材高科技股份有限公司 | Femur proximal-end hip joint prosthesis |
| CN202724038U (en) * | 2012-01-13 | 2013-02-13 | 北京爱康宜诚医疗器材股份有限公司 | Stair-shaped sleeve |
| US20140330390A1 (en) * | 2013-05-01 | 2014-11-06 | Lichu Liu | Cementless Hip Stem |
| CN104997575A (en) * | 2015-08-11 | 2015-10-28 | 嘉思特华剑医疗器材(天津)有限公司 | Femur prosthesis assembly system suitable for different types of femur malformation and defects |
| CN104997576A (en) * | 2015-08-11 | 2015-10-28 | 嘉思特华剑医疗器材(天津)有限公司 | Mixed knee-joint prosthesis system |
| CN204839836U (en) * | 2015-08-03 | 2015-12-09 | 北京威高亚华人工关节开发有限公司 | Thighbone replacement false body |
| EP2962666A1 (en) * | 2014-07-02 | 2016-01-06 | Mako Surgical Corp. | Femoral implant for preserving cruciate ligaments |
| CN206167121U (en) * | 2016-07-28 | 2017-05-17 | 北京力达康科技有限公司 | Customization broach with bone trabecula porous structure |
| CN208404992U (en) * | 2017-08-07 | 2019-01-22 | 胡永成 | The distal femur prosthese using trabecular bone structure of bone reserve capacity can be increased |
-
2017
- 2017-08-07 CN CN201710667797.4A patent/CN107361881B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6702854B1 (en) * | 1999-06-01 | 2004-03-09 | Apex Surgical, Llc | Implantable joint prosthesis |
| EP1099427A1 (en) * | 1999-11-09 | 2001-05-16 | Amplitude | Reconstruction femoral shaft |
| US20080140212A1 (en) * | 2001-05-15 | 2008-06-12 | Robert Metzger | Elongated femoral component |
| CN2576200Y (en) * | 2002-09-16 | 2003-10-01 | 李维诗 | Preset artificial hip-joint thigh-bone handle |
| US20040122521A1 (en) * | 2002-12-20 | 2004-06-24 | Lee Chelynne Nicole | Prosthetic knee implant with modular augment |
| US20060241635A1 (en) * | 2005-04-06 | 2006-10-26 | Stumpo David J | Prosthetic revision knee system |
| US20090036992A1 (en) * | 2006-04-07 | 2009-02-05 | Athanasios Tsakonas | Total Knee Arthroplasty Endoprothesis with Third Condyle and Rotating Polyethylene Insert |
| US20080004701A1 (en) * | 2006-06-30 | 2008-01-03 | Howmedica Osteonics Corp. | Femoral component and instrumentation |
| CN101172062A (en) * | 2006-10-19 | 2008-05-07 | 德普伊产品公司 | Bowed femoral sleeve |
| CN102112070A (en) * | 2008-06-06 | 2011-06-29 | 米歇尔·贝尔科维 | Total knee prosthesis |
| CN202096312U (en) * | 2011-03-18 | 2012-01-04 | 北京百慕航材高科技股份有限公司 | Femur proximal-end hip joint prosthesis |
| CN202724038U (en) * | 2012-01-13 | 2013-02-13 | 北京爱康宜诚医疗器材股份有限公司 | Stair-shaped sleeve |
| US20140330390A1 (en) * | 2013-05-01 | 2014-11-06 | Lichu Liu | Cementless Hip Stem |
| EP2962666A1 (en) * | 2014-07-02 | 2016-01-06 | Mako Surgical Corp. | Femoral implant for preserving cruciate ligaments |
| CN204839836U (en) * | 2015-08-03 | 2015-12-09 | 北京威高亚华人工关节开发有限公司 | Thighbone replacement false body |
| CN104997575A (en) * | 2015-08-11 | 2015-10-28 | 嘉思特华剑医疗器材(天津)有限公司 | Femur prosthesis assembly system suitable for different types of femur malformation and defects |
| CN104997576A (en) * | 2015-08-11 | 2015-10-28 | 嘉思特华剑医疗器材(天津)有限公司 | Mixed knee-joint prosthesis system |
| CN206167121U (en) * | 2016-07-28 | 2017-05-17 | 北京力达康科技有限公司 | Customization broach with bone trabecula porous structure |
| CN208404992U (en) * | 2017-08-07 | 2019-01-22 | 胡永成 | The distal femur prosthese using trabecular bone structure of bone reserve capacity can be increased |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109875729A (en) * | 2019-03-05 | 2019-06-14 | 福建医科大学附属第一医院 | A kind of single condyle displacement femoral prosthesis and its application method equipped with metal filling block |
| CN109984874A (en) * | 2019-05-14 | 2019-07-09 | 赵滨 | A kind of pair of femoral inferior segment bone defect reinforces the fixed support construction of support |
| CN112404433A (en) * | 2020-10-30 | 2021-02-26 | 嘉思特华剑医疗器材(天津)有限公司 | Oxide layer-containing zirconium-niobium alloy partitioned trabecular single-compartment tibial platform and preparation method thereof |
| CN112404433B (en) * | 2020-10-30 | 2023-03-10 | 嘉思特华剑医疗器材(天津)有限公司 | Oxide layer-containing zirconium-niobium alloy partitioned trabecular single-compartment tibial platform and preparation method thereof |
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|---|---|
| CN107361881B (en) | 2023-11-24 |
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