CN209004330U - A kind of upper section of tibia tumorous type prosthese - Google Patents
A kind of upper section of tibia tumorous type prosthese Download PDFInfo
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- CN209004330U CN209004330U CN201820581600.5U CN201820581600U CN209004330U CN 209004330 U CN209004330 U CN 209004330U CN 201820581600 U CN201820581600 U CN 201820581600U CN 209004330 U CN209004330 U CN 209004330U
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Abstract
The utility model proposes a kind of upper section of tibia tumorous type prosthese, including with the consistent prosthese main body of upper section of tibia shape, be fixed on the flank steel plate in proximal joint face and be fixed on the intramedullary nail of distal end pulp cavity；Flank steel plate is fixedly connected with the upper end of prosthese main body, and intramedullary nail is fixedly connected with the lower end of prosthese main body.The upper section of tibia tumorous type prosthese, flank steel plate present position avoids proximal tibia neural blood vessel and soft tissue junction, remain proximal joint face and periarticular blood supply, kneed anatomic form and function, and flank steel plate small volume can farthest be restored, reduce tissue irritation, its parallel fixed needs unilateral cut, blood supply damage is avoided, postoperative complications are reduced, meets minimally invasive theory；Distal end intramedullary nail strengthens stability at a specified future date so that body force credit cloth is more balanced after Using prosthesis using sliding eye and static(al) hole combination technology.
Description
Technical field
The utility model relates to the research and development technology fields that osteoarticular function after bone tumour resection rebuilds auxiliary instrument, especially relate to
And a kind of upper section of tibia tumorous type prosthese.
Background technique
Proximal tibia is the second largest predilection site that primary malignant bone tumor is only second to distal femur, proximal tibia dissection knot
Structure is special, close with nervus tibialis, nervus peroneus communis, shank vessels relationship, and soft tissue covering is weak, need to handle shin calf pass simultaneously
Section needs to rebuild Quadriceps mechanism, destruction of Calf muscle starting point etc. after cutting off tuberosity of tibia, and guarantor's limb difficulty is big, and how high complication is,
It is poor to rebuild patella function.Therefore, the wide excision of proximal tibia malignant bone tumor and osteoarticular function reconstruction face more
Challenge.
Currently, the bone defect after shin bone upper section tumor resection is rebuild, there are mainly three types of selections: 1) allosome semiarthrosis is transplanted；2)
Joint prosthesis-allograph bone cograft；3) tumorous type prosthetic replacement.Due to allosome semiarthrosis source and difficulty is saved, is made
With less.Joint prosthesis-allograph bone cograft can provide good soft tissue attachment, while can be shin with early ambulant
The main method rebuild after bone upper section tumor resection, but it is similarly subjected to the puzzlement in allograph bone source.Joint prosthesis without rejection,
There is no bone graft fracture and can be with early recovery function, after having become upper section of tibia tumor resection at present, osteoarticular function
The mainstream development direction of reconstruction.
But the joint prosthesis quality clinically used at present, still not as good as physiological joint, there are still prosthese senses for artificial prosthesis
Dye, prosthetic loosening and the deficiencies of.The tumorous type prosthese for clinically retaining joint is rare, and the operation of shin bone upper section Limb saving surgery
Basic principle be wide excision tumour simultaneously, largely restore kneed function, normalization prosthese is not able to satisfy it
The demand that propertyization is precisely treated.
Therefore, insufficient for the above-mentioned prior art, it is existing to overcome to provide a kind of personalized upper section of tibia tumorous type prosthese
There is the insufficient very necessary of technology.
Summary of the invention
The utility model provides a kind of upper section of tibia tumorous type prosthese, and the personalization upper section of tibia tumorous type is false
Body can retain proximal joint face and periarticular blood supply, farthest restore kneed anatomic form and function.
The above-mentioned purpose of the utility model is realized by following technological means:
A kind of upper section of tibia tumorous type prosthese is provided, including with the consistent prosthese main body of upper section of tibia shape, fixation
In proximal joint face flank steel plate and be fixed on the intramedullary nail of distal end pulp cavity；
Flank steel plate is fixedly connected with the upper end of prosthese main body, and intramedullary nail is fixedly connected with the lower end of prosthese main body.
Preferably, the upper side of prosthese main body be provided with corresponding at shin bone ligamentum patellae dead-centre position reconstruction groove,
Reconstruction sewing hole for fixing the nail hole of ligament and for suturing interior outside soft tissue；
Nail hole is set as tapped through hole, the central axis of tapped through hole plane where rebuilding bottom portion of groove, and screw thread leads to
Hole is provided with internal screw thread, and nail hole diameter is R1；
It rebuilds sewing hole and is set as multiple arcs through-hole, the center line of arc-shaped through-hole is the camber line of both ends connecting soft tissue,
At least one in arc-shaped through-hole is set to reconstruction groove, and rebuilding suture bore dia is R2。
Preferably, R1=5mm, R2=5mm.
Preferably, flank steel plate is set as N block position distribution and avoids proximal tibia neural blood vessel and soft tissue junction
Rectangular steel plates, rectangular steel plates with a thickness of i, width j, be highly k, each piece of rectangular steel plates are provided with a lock hole, lock
Determining bore dia is R3。
Preferably, N=4, i=2mm, j=10mm, k=15mm, R3=5mm.
Preferably, intramedullary nail is provided with intramedullary nail Proximal transition area, intramedullary nail main body and intra medullary nail far-end, intramedullary nail proximal end
Transition region both ends are separately connected lower end and the intramedullary nail main body of prosthese main body, and intramedullary nail main body is connected with intra medullary nail far-end.
Preferably, intramedullary nail Proximal transition area is set as fillet, radius of corner r；Intramedullary nail main body is set as diameter
R4Cylindrical body；Intra medullary nail far-end is set as the dome that length is L.
Preferably, r=2mm, R4=12mm, L=15mm.
Preferably, intramedullary nail main body is provided with sliding eye and static(al) hole；
Sliding eye is set as ellipse shape through-hole, and the central axis of ellipse shape through-hole is in intramedullary nail main center line, ellipse shape through-hole
Section among be rectangle, both ends are semicircle, a length of d of rectangle, width c, and half circular diameter is c；
It is R that static(al) hole, which is set as two diameters,5Through-hole, the center line of two through-holes is each perpendicular to intramedullary nail main center
The center line of line, two through-holes is not parallel；
Static(al) hole is located at below sliding eye.
Preferably, d=7mm, c=5mm, R5=5mm.
The upper section of tibia tumorous type prosthese of the utility model, flank steel plate present position avoid proximal tibia nerve blood
Pipe and soft tissue junction, remain proximal joint face and periarticular blood supply, can farthest restore kneed dissection
Form and function, and flank steel plate small volume, reduce tissue irritation, and parallel fixed needs unilateral side to cut, and avoid blood
Fortune is destroyed, and is reduced postoperative complications, is met minimally invasive theory；Distal end intramedullary nail is made using sliding eye and static(al) hole combination technology
Body force credit cloth is more balanced after obtaining Using prosthesis, strengthens stability at a specified future date.
Detailed description of the invention
The utility model is described further using attached drawing, but the content in attached drawing does not constitute and appoints to the utility model
What is limited.
Fig. 1 is the structural schematic diagram of the upper section of tibia tumorous type prosthese of the utility model；
Fig. 2 is the structural schematic diagram of upper section of tibia tumorous type the prosthese main body upper end and flank steel plate of the utility model；
Fig. 3 is the structural schematic diagram of upper section of tibia the tumorous type prosthese lower body and intramedullary nail of the utility model.
Fig. 1 is into Fig. 3, comprising: prosthese main body 1, intramedullary nail 3, rebuilds groove 11, nail hole 12, rebuilds seam flank steel plate 2
Close hole 13, lock hole 21, intramedullary nail Proximal transition area 31, intramedullary nail main body 32, intra medullary nail far-end 33, sliding eye 321, static(al) hole
322。
Specific embodiment
The utility model will be further described with the following Examples.
Embodiment 1.
As shown in Figure 1-3, a kind of upper section of tibia tumorous type prosthese, including with the consistent prosthese master of upper section of tibia shape
Body 1, the flank steel plate 2 for being fixed on proximal joint face and the intramedullary nail 3 for being fixed on distal end pulp cavity；Flank steel plate 2 and prosthese main body 1
Upper end be fixedly connected, intramedullary nail 3 is fixedly connected with the lower end of prosthese main body 1.
The upper side of prosthese main body 1 be provided with corresponding at shin bone ligamentum patellae dead-centre position reconstruction groove 11, be used for
Fix the nail hole 12 of ligament and the reconstruction sewing hole 13 for suturing interior outside soft tissue；Nail hole 12 is set as tapped through hole,
The central axis of tapped through hole plane, tapped through hole where rebuilding 11 bottom of groove are provided with internal screw thread, 12 diameter of nail hole
For R1；It rebuilds sewing hole 13 and is set as multiple arcs through-hole, the center line of arc-shaped through-hole is the camber line of both ends connecting soft tissue, arc
At least one in shape through-hole, which is set to, rebuilds groove 11, and reconstruction 13 diameter of sewing hole is R2。
Flank steel plate 2 is set as the rectangle steel that N block position distribution avoids proximal tibia neural blood vessel and soft tissue junction
Plate, rectangular steel plates with a thickness of i, width j, be highly k, each piece of rectangular steel plates are provided with a lock hole 21, lock hole
21 diameters are R3。
Intramedullary nail 3 is provided with intramedullary nail Proximal transition area 31, intramedullary nail main body 32 and intra medullary nail far-end 33, intramedullary nail proximal end
31 both ends of transition region are separately connected lower end and the intramedullary nail main body 32 of prosthese main body 1, intramedullary nail main body 32 and intra medullary nail far-end 33
It is connected.
Intramedullary nail Proximal transition area 31 is set as fillet, radius of corner r；It is R that intramedullary nail main body 32, which is set as diameter,4's
Cylindrical body；Intra medullary nail far-end 33 is set as the dome that length is L.
Intramedullary nail main body 32 is provided with sliding eye 321 and static(al) hole 322；Sliding eye 321 is set as ellipse shape through-hole, and ellipse shape is logical
The central axis in hole is rectangle among 32 center line of intramedullary nail main body, the section of ellipse shape through-hole, and both ends are semicircle, rectangular
The a length of d of shape, width c, half circular diameter are c；It is R that static(al) hole 322, which is set as two diameters,5Through-hole, the center line of two through-holes
It is each perpendicular to 32 center line of intramedullary nail main body, the center line of two through-holes is not parallel；Static(al) hole 322 is located at 321 lower section of sliding eye.
Upper section of tibia tumorous type prosthese in the present embodiment, the weight of setting corresponded at shin bone ligamentum patellae dead-centre position
The shin bone ligamentum patellae stop of about 8mm thickness can be accommodated by building groove 11, and proximal tibia nerve is avoided in four pieces of 2 present positions of flank steel plate
Blood vessel and soft tissue junction remain proximal joint face and periarticular blood supply, and for fixed top sclerotin, fixation is more pacified
It is complete reliable, it can farthest restore kneed anatomic form and function；Distal end intramedullary nail 3 uses sliding eye 321 and static(al)
322 combination technology of hole, and it is set nail position and optimizes acquisition by finite element analysis technology, so that body force credit after Using prosthesis
Cloth is more balanced, strengthens stability at a specified future date.
Embodiment 2.
A kind of upper section of tibia tumorous type prosthese provided in this embodiment, other feature is same as Example 1, difference
It is: 12 diameter R of nail hole1=5mm；Rebuild 13 diameter R of sewing hole2=5mm；Rectangular steel plates number N=4, thickness i=2mm, width
Spend j=10mm, height k=15mm；21 diameter R of lock hole3=5mm；3 transition region radius of corner r=2mm of intramedullary nail；Intramedullary nail
32 diameter R of main body4=12mm, 33 length L=15mm of intra medullary nail far-end；The long d=7mm of section rectangle, the width c=of ellipse shape through-hole
5mm；322 diameter R of static(al) hole5=5mm.
Upper section of tibia tumorous type prosthese in the present embodiment, 31 radius of corner r=2mm of intramedullary nail Proximal transition area, can
Intramedullary nail 3 caused by effectively avoiding stress concentration and fillet excessive is implanted into difficulty or causes iatrogenic fracture.Intramedullary nail main body
32 determine diameter according to individuation pulp cavity size, and 321 upper end of sliding eye is motorization selection, it is possible to provide power to a certain extent
Pressurization, lower end are staticization selection, combine with static(al) hole 322, so that body force credit cloth is more balanced after Using prosthesis, add
Strong stability at a specified future date.2 small volume of flank steel plate, reduces tissue irritation, and parallel fixed needs unilateral side to cut, and avoids blood
Fortune is destroyed, and is reduced postoperative complications, is met minimally invasive theory.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model rather than to this is practical
The limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, the common skill of this field
Art personnel should be appreciated that can be practical without departing from this with the technical solution of the present invention is modified or equivalently replaced
The spirit and scope of new technique scheme.
Claims (10)
1. a kind of upper section of tibia tumorous type prosthese, which is characterized in that including with the consistent prosthese main body of upper section of tibia shape,
It is fixed on the flank steel plate in proximal joint face and is fixed on the intramedullary nail of distal end pulp cavity；
The flank steel plate is fixedly connected with the upper end of prosthese main body, and the intramedullary nail is fixedly connected with the lower end of prosthese main body.
2. upper section of tibia tumorous type prosthese according to claim 1, which is characterized in that the upper end side of the prosthese main body
Face is provided with the reconstruction groove at corresponding to shin bone ligamentum patellae dead-centre position, the nail hole for fixing ligament and in suturing
The reconstruction sewing hole of outside soft tissue；
The nail hole is set as tapped through hole, the central axis of tapped through hole plane where rebuilding bottom portion of groove, and screw thread leads to
Hole is provided with internal screw thread, and the nail hole diameter is R1；
The reconstruction sewing hole is set as multiple arcs through-hole, and the center line of arc-shaped through-hole is the camber line of both ends connecting soft tissue,
At least one in arc-shaped through-hole is set to reconstruction groove, and the reconstruction suture bore dia is R2。
3. upper section of tibia tumorous type prosthese according to claim 2, which is characterized in that the R1=5mm, R2=5mm.
4. upper section of tibia tumorous type prosthese according to claim 3, which is characterized in that the flank steel plate is set as N
Block position distribution avoids the rectangular steel plates of proximal tibia neural blood vessel and soft tissue junction, and rectangular steel plates are with a thickness of i, width
It j, is highly k, each piece of rectangular steel plates are provided with a lock hole, and locking bore dia is R3。
5. upper section of tibia tumorous type prosthese according to claim 4, which is characterized in that the N=4, i=2mm, j=
10mm, k=15mm, R3=5mm.
6. upper section of tibia tumorous type prosthese according to claim 5, which is characterized in that the intramedullary nail is provided in marrow
Nail Proximal transition area, intramedullary nail main body and intra medullary nail far-end, intramedullary nail Proximal transition area both ends are separately connected prosthese main body
Lower end and intramedullary nail main body, the intramedullary nail main body be connected with intra medullary nail far-end.
7. upper section of tibia tumorous type prosthese according to claim 6, which is characterized in that intramedullary nail Proximal transition area
It is set as fillet, radius of corner r；It is R that the intramedullary nail main body, which is set as diameter,4Cylindrical body；The intra medullary nail far-end is set
It is set to the dome that length is L.
8. upper section of tibia tumorous type prosthese according to claim 7, which is characterized in that the r=2mm, R4=12mm, L
=15mm.
9. upper section of tibia tumorous type prosthese according to claim 8, which is characterized in that the intramedullary nail main body is provided with
Sliding eye and static(al) hole；
The sliding eye is set as ellipse shape through-hole, and the central axis of ellipse shape through-hole is in intramedullary nail main center line, ellipse shape through-hole
Section among be rectangle, both ends are semicircle, a length of d of rectangle, width c, and half circular diameter is c；
It is R that the static(al) hole, which is set as two diameters,5Through-hole, the center line of two through-holes is each perpendicular to intramedullary nail main center
The center line of line, two through-holes is not parallel；
The static(al) hole is located at below sliding eye.
10. upper section of tibia tumorous type prosthese according to claim 9, which is characterized in that the d=7mm, c=5mm, R5
=5mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820581600.5U CN209004330U (en) | 2018-04-23 | 2018-04-23 | A kind of upper section of tibia tumorous type prosthese |
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| CN201820581600.5U CN209004330U (en) | 2018-04-23 | 2018-04-23 | A kind of upper section of tibia tumorous type prosthese |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842631A (en) * | 2020-12-31 | 2021-05-28 | 上海晟实医疗器械科技有限公司 | 3D prints full knee joint prosthesis of thighbone intramedullary nail |
| CN113367846A (en) * | 2021-05-22 | 2021-09-10 | 北京力达康科技有限公司 | Tibia prosthesis |
| CN113413249A (en) * | 2021-07-06 | 2021-09-21 | 四川大学华西医院 | Dissect bionical type shin bone near-end tumour half knee joint prosthesis |
| CN113456313A (en) * | 2021-07-06 | 2021-10-01 | 四川大学华西医院 | Hinge-free ligament bionic type tumor half/total knee joint prosthesis reconstruction system |
| CN113616389A (en) * | 2021-09-08 | 2021-11-09 | 河北春立航诺新材料科技有限公司 | Compression type prestress femoral prosthesis |
-
2018
- 2018-04-23 CN CN201820581600.5U patent/CN209004330U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842631A (en) * | 2020-12-31 | 2021-05-28 | 上海晟实医疗器械科技有限公司 | 3D prints full knee joint prosthesis of thighbone intramedullary nail |
| CN113367846A (en) * | 2021-05-22 | 2021-09-10 | 北京力达康科技有限公司 | Tibia prosthesis |
| CN113367846B (en) * | 2021-05-22 | 2022-05-27 | 北京力达康科技有限公司 | Tibia prosthesis |
| CN113413249A (en) * | 2021-07-06 | 2021-09-21 | 四川大学华西医院 | Dissect bionical type shin bone near-end tumour half knee joint prosthesis |
| CN113456313A (en) * | 2021-07-06 | 2021-10-01 | 四川大学华西医院 | Hinge-free ligament bionic type tumor half/total knee joint prosthesis reconstruction system |
| CN113616389A (en) * | 2021-09-08 | 2021-11-09 | 河北春立航诺新材料科技有限公司 | Compression type prestress femoral prosthesis |
| CN113616389B (en) * | 2021-09-08 | 2024-03-26 | 河北春立航诺新材料科技有限公司 | Compression type prestress femur prosthesis |
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