CN107260369A - It is a kind of to be used for the personalized biological type cushion block of Cranial defect in total knee arthroplasty - Google Patents
It is a kind of to be used for the personalized biological type cushion block of Cranial defect in total knee arthroplasty Download PDFInfo
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- CN107260369A CN107260369A CN201710452891.8A CN201710452891A CN107260369A CN 107260369 A CN107260369 A CN 107260369A CN 201710452891 A CN201710452891 A CN 201710452891A CN 107260369 A CN107260369 A CN 107260369A
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- cushion block
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- total knee
- knee arthroplasty
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- 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
- A61F2/38—Joints for elbows or knees
- A61F2/3877—Patellae or trochleae
-
- 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
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
-
- 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
- A61F2/30942—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques
-
- 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
- A61F2/38—Joints for elbows or knees
- A61F2/3859—Femoral components
-
- 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
- A61F2/38—Joints for elbows or knees
- A61F2/389—Tibial components
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
- A61F2002/30004—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis
- A61F2002/30011—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis differing in porosity
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
- A61F2002/3006—Properties of materials and coating materials
-
- 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
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30772—Apertures or holes, e.g. of circular cross section
- A61F2002/30784—Plurality of holes
-
- 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]
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Transplantation (AREA)
- Cardiology (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Physical Education & Sports Medicine (AREA)
- Physics & Mathematics (AREA)
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- Manufacturing & Machinery (AREA)
- Prostheses (AREA)
Abstract
It is used for the personalized biological type cushion block of Cranial defect in total knee arthroplasty the invention discloses a kind of, including by spud pile and the fixed cushion block matrix of bone bed, cushion block matrix includes solid layer and loose structure, and solid layer upper surface is fixed with tibia support Press-fit contact；Cushion block matrix and spud pile are using 3D printing technique integration manufacture.The present invention has the advantages that osteotomy amount is small, nearly long term is fixed well, seamlessly transitted with human body natural's bone surface, unstressed concentration.
Description
Technical field
The invention belongs to technical field of medical instruments, more particularly to a kind of for Cranial defect in total knee arthroplasty
Property bion cushion block.
Background technology
At present, knee joint Cranial defect can be caused by many reasons, including：Out knee angulation deformity caused by arthritis, lack
After courageous and upright necrosis, wound, High Tibial Osteotomy and knee joint revision procedure.Femur side or the Cranial defect position of tibial side point
For：Cavity type defect and segmental pattern defect.In the prior art, the therapeutic modality of Cranial defect typically can be by the following method：
Cement fixation：Cement fixation is applied to the Cranial defect that cavity type defect depth is less than 5mm, especially old to suffer from
Person；But the relatively poor biomechanics characteristic of bone cement makes it not be preferably used for segmental pattern and larger Cranial defect case, especially
Young patient；
Bone grafting (autologous bone or allograph bone)：Bone grafting (autologous bone or allograph bone) is applied to the cavity between 5mm-10mm
Type Cranial defect, especially young patient；But autologous bone materials are limited, and the security of allograph bone, the remoldability of bone and integration
Ability, causes bone grafting to fail；
Custom Prosthesis prosthese：Custom Prosthesis prosthese mainly for femur, shin bone deformity and the more serious patient of Cranial defect, especially
Total knee replacement overhauls postoperative patient；But the mobility of Custom Prosthesis prosthese is limited, and Postoperative Satisfaction is low；
And the backing metal used at this stage haves the shortcomings that osteotomy amount big, nonunion, collapses, shifts, metal in addition
Cushion block clear-cut margin triggers soft tissue pain etc..
The content of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is used for total knee arthroplasty it is an object of the invention to provide one kind
The personalized biological type cushion block of middle Cranial defect, with osteotomy amount is small, nearly long term is fixed well, smoothed with human body natural's bone surface
Cross, the advantage of unstressed concentration.
To achieve the above object, the present invention uses following technical scheme：
It is a kind of to be used for the personalized biological type cushion block of Cranial defect in total knee arthroplasty, including pass through spud pile and bone bed
Fixed cushion block matrix, cushion block matrix includes solid layer and loose structure, and solid layer upper surface is fixed with tibia support Press-fit contact；
Cushion block matrix and spud pile are using 3D printing technique integration manufacture.
The full-size of described loose structure is 0.1~0.4mm.
The porosity adjusting range of described loose structure is 25%~85%, is adjusted according to patient's sclerotin situation,
Realize matching for cushion block and patient bone modulus of elasticity.
The porosity of described loose structure carries out gradient in artificial knee joint prosthesis-bone direction, prevents stress collection
In.
Described cushion block matrix and spud pile are manufactured using 3D printing technique.
Beneficial effects of the present invention are：
(1) Cranial defect situation of the present invention based on patient carries out profile adjustment matching, improves cushion block and patient bone defective region
The matching degree in domain, realizes personalized customization, is that patient retains autologous sclerotin so as to reduce operation osteotomy amount.
(2) present invention is for segmental pattern Cranial defect patient, and the outer surface of cushion block and the anatomical surface of natural skeleton are smoothed
Cross, no sharpened edge, it is to avoid the contact pain of peri-prosthetic soft.
(3) spud pile 2 of the present invention gos deep into bone tissue and fixed, and prevents the loosening of cushion block and collapses.
(4) full-size of loose structure 12 of the present invention is 0.1~0.4mm, is the optimum size that bone tissue is grown into；
(5) loose structure 12 and coating of the present invention are conducive to inducing the oriented growth of bone tissue, play fixed work at a specified future date
With preventing the loosening of cushion block with collapsing；
(6) present invention can be shortened preparation time, reduced cost using 3D printing technique manufacture.
Brief description of the drawings
Fig. 1-a, Fig. 1-b are the structural representations of Cranial defect bion cushion block of the present invention.
Fig. 2 is Cranial defect bion cushion block scheme of installation of the present invention.
Fig. 3 is the side view of cavity type Cranial defect bion cushion block of the present invention.
Fig. 4 is the top view of cavity type Cranial defect bion cushion block of the present invention.
Fig. 5 is the upward view of cavity type Cranial defect bion cushion block of the present invention.
Fig. 6 is the side view of segmental pattern Cranial defect bion cushion block of the present invention.
Fig. 7 is the top view of segmental pattern Cranial defect bion cushion block of the present invention.
Fig. 8 is the upward view of segmental pattern Cranial defect bion cushion block of the present invention.
Fig. 9 is the spud pile schematic diagram of Cranial defect bion cushion block of the present invention.
Embodiment
Example embodiment is described more fully with reference to the accompanying drawings.However, example embodiment can be in many ways
Implement, and be not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention will be complete
Face and complete, and the design of example embodiment is comprehensively conveyed into those skilled in the art.Identical accompanying drawing mark in figure
Note represents same or similar structure, because their detailed description will be omitted.
It is a kind of to be used for the personalized biological type cushion block of Cranial defect in total knee arthroplasty, including pad referring to Fig. 1 to Fig. 9
Block matrix 1 and spud pile 2, cavity type Cranial defect region 32 and segmental pattern Cranial defect region 33, to ensure that lower limb Holonomic Mechanics are passed
Pass.
It is a kind of to be used for the installation implementation process of the preparation of the personalized biological type cushion block of Cranial defect in total knee arthroplasty
Including：(1) the CT/MRI view data of patient's lower limb total length is gathered, three-dimensional reconstruction, simulation are carried out to collection image using software
Total knee replacement is performed the operation, and obtains simulating the size and shape at surgery patella Cranial defect position；(2) 3D printing skill is used
Art disposably prints the titanium alloy bion cushion block of identical Cranial defect size and shape, and loose structure has porosity gradual change
Feature；(3) outside and edge of backing metal are handled, coincide Cranial defect position inner surface and human body natural's bone appearance is allowed to
Face, does not interfere with the normal activity of knee joint peripheral soft tissue, so as to avoid triggering soft tissue pain；(4) it is surface-treated, makes pad
The loose structure surface of block includes bone inductive factor coating, antimicrobial coating and angiogenic growth factor coating；(5) it is actual
In installation process of performing the operation, the plane above cushion block is press-fitted fixation of fitting with tibia support, and it is solid that lower surface gos deep into bone bed by spud pile
It is fixed；(6) in the short run, cushion block matrix and tibia support be fixed with pressure and the fixation of spud pile and bone bed can play recent fixation
Effect, prevent the traversing of cushion block matrix and rotation；(7) from the point of view of long term, loose structure layer surface has induction bone tissue long
The growth factor coating entered, the pore-size of loose structure is the optimum size that bone tissue is grown into, and is conducive to bone tissue to grow into pad
Block intrinsic silicon, so as to realize the long-term fixation of cushion block matrix；(8) porosity of the loose structure of cushion block matrix is in cushion block-bone
The form of gradient is used on direction, cushion block intrinsic silicon stress concentration can be avoided, so as to extend the use longevity of cushion block
Life.
The profile of the cushion block is irregular, mainly acts on two kinds of different usage scenarios：Cavity type Cranial defect and section
Type Cranial defect.When acting on cavity type Cranial defect position, upper plane and the tibia support Press-fit contact of cushion block are fixed, and lower surface is several
What relation is coincide with Cranial defect inner surface, is goed deep into bone bed by spud pile and is fixed with bone tissue.When acting on segmental pattern Cranial defect
During position, upper plane and the tibia support Press-fit contact of cushion block are fixed, and lower surface geometrical relationship is coincide with Cranial defect inner surface, is passed through
Spud pile gos deep into bone bed to be fixed with bone tissue, and side surface is seamlessly transitted with human body natural's bone surface.
The material selection titanium alloy of the cushion block matrix and spud pile, modulus of elasticity and the skeleton springform of titanium alloy
Amount is close, and histocompatbility is good.
The void size of the cushion block be 0.1-0.4mm between, be the optimum size that bone tissue is grown into, after bone tissue is grown into
It can effectively realize that the long term of cushion block is fixed, it is to avoid cushion block occur and the complication such as collapse.
The porosity of the cushion block matrix is to be adjusted in the range of 25%-85%, and concrete numerical value is according to patient's bone density
Situation is configured.Porosity graded on cushion block-bone direction, can be prevented effectively from the stress concentration inside cushion block.
The irregular surface of the cushion block is determined by the anatomic form in the preoperative CT of patient Cranial defect region.When Cranial defect area
When domain is cavity type defect, the upper surface of cushion block is plane, is matched with tibia support lower surface, using being fixed with pressure；Under cushion block
Surface is identical with Cranial defect region inner surface.When Cranial defect is segmental pattern defect, the upper surface of cushion block is plane, with shin
Bone support lower surface is matched, using being fixed with pressure；Outer surface coincide with patient's Tibia Anatomy face, the outer surface profile and bone of cushion block
Bone anatomical surface complete match is smooth, transition, and without sharpened edge；Inner surface and the inner surface in Cranial defect region coincide.
Such as Fig. 2 to Fig. 5, a kind of bion cushion block for knee joint cavity type Cranial defect, its cushion block matrix 1 is by solid layer
11 and loose structure 12 constitute；The contact surface of the solid layer 11 and tibia support is plane, is press-fitted, can prevented with tibia support
Cushion block matrix 1 it is traversing, be conducive to the transmission of lower limb mechanics；The outer surface of the loose structure 12 and table in cavity type Cranial defect
Face 32 is coincide, and osteotomy amount can be reduced to greatest extent；Loose structure 12 is imitative trabecular bone structure, aperture 0.1~0.4mm it
Between, loose structure 12 has various ways, on the basis of enough intensity is ensured, is conducive to growing into for bone tissue, realizes cushion block
The long term of matrix 1 is fixed；The porosity of loose structure 12 is adjusted between 25%~85% according to the bone density of patient
Match somebody with somebody；The porosity in the vertical direction gradient of loose structure 12, prevents stress concentration；Cushion block matrix 1 is deep by spud pile 2
Enter bone tissue and realize fixation, prevent collapsing for cushion block matrix 1, many collaborations of spud pile 2 can also prevent the rotation of cushion block matrix 1.
Such as Fig. 6 to Fig. 9, a kind of bion cushion block for knee joint segmental pattern Cranial defect, its cushion block matrix 1 is by solid
Layer 11 and loose structure 12 are constituted；The contact surface of the solid layer 11 and tibia support is plane, is press-fitted, can prevented with tibia support
Only cushion block matrix 1 is traversing, is conducive to the transmission of lower limb mechanics；In the inner surface and segmental pattern Cranial defect of the loose structure 12
Surface 33 is coincide, and osteotomy amount can be reduced to greatest extent；The outer surface of loose structure 12 coincide with skeleton dissection curved surface,
The rigid contact with soft tissue is reduced as far as possible, it is to avoid trigger soft tissue pain complication；Loose structure 12 is imitative bone trabecula knot
Structure, aperture is between 0.1~0.4mm, and loose structure 12 has various ways, on the basis of enough intensity is ensured, is conducive to
Growing into for bone tissue, realizes that the long term of cushion block matrix 1 is fixed；The porosity of loose structure 12 between 25%~85%, according to
The bone density situation of patient is adjusted matching；The porosity in the vertical direction gradient of loose structure 12, prevents stress
Concentrate；Cushion block matrix 1 gos deep into bone tissue by spud pile 2 and realizes fixation, prevents collapsing for cushion block matrix 1, many spud pile associations
It is same to prevent the rotation of cushion block matrix 1.
Specifically show and describe the illustrative embodiments of the present invention above.It should be understood that the invention is not restricted to institute
Disclosed embodiment.On the contrary, it is intended to cover comprising various modifications in the spirit and scope of the appended claims
And equivalent arrangements.
Claims (7)
1. a kind of be used for the personalized biological type cushion block of Cranial defect in total knee arthroplasty, it is characterised in that：Including cushion block base
Body (1), spud pile (2), cushion block matrix are integrally prepared with spud pile；The cushion block matrix (1) includes solid layer (11) and porous
Structure sheaf (12), solid layer (11) is integrally prepared with porous structure layer (12), the solid layer (11) and tibia support Press-fit contact
Fixed, the porous structure layer (12) matches with spud pile (2).
2. a kind of personalized biological type cushion block for Cranial defect in total knee arthroplasty according to claim 1, its
It is characterised by：The material of the cushion block matrix and spud pile is titanium alloy.
3. a kind of personalized biological type cushion block for Cranial defect in total knee arthroplasty according to claim 1, its
It is characterised by：Solid layer (11) thickness is the 20%-30% of cushion block matrix (1) height.
4. a kind of personalized biological type cushion block for Cranial defect in total knee arthroplasty according to claim 1, its
It is characterised by：The porous structure layer (12) is imitative trabecular bone structure, and pore-size is 0.1~0.4mm.
5. a kind of personalized biological type cushion block for Cranial defect in total knee arthroplasty according to claim 1, its
It is characterised by：The porosity of the porous structure layer (12) closes gradual change in gradient on prosthese-bone bed direction along artificial knee,
Porosity ranges are 25%-85%.
6. a kind of personalized biological type cushion block for Cranial defect in total knee arthroplasty according to claim 1, its
It is characterised by：There is the loose structure layer surface bone inductive factor coating, antimicrobial coating and angiogenic growth factor to apply
Layer.
7. a kind of personalized biological type cushion block for Cranial defect in total knee arthroplasty according to claim 1, its
It is characterised by：The inner surface geometry that the cushion block matrix is contacted with bone is coincide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710452891.8A CN107260369A (en) | 2017-06-15 | 2017-06-15 | It is a kind of to be used for the personalized biological type cushion block of Cranial defect in total knee arthroplasty |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710452891.8A CN107260369A (en) | 2017-06-15 | 2017-06-15 | It is a kind of to be used for the personalized biological type cushion block of Cranial defect in total knee arthroplasty |
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| CN107260369A true CN107260369A (en) | 2017-10-20 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107997855A (en) * | 2017-11-30 | 2018-05-08 | 深圳先进技术研究院 | 3D porous supports method for establishing model, device and preparation system |
| CN108210127A (en) * | 2018-01-04 | 2018-06-29 | 上海科太迈迪医疗器械有限公司 | Cementless tibial component of trabecular bone structure and preparation method thereof |
| CN108836576A (en) * | 2018-07-18 | 2018-11-20 | 北京爱康宜诚医疗器材有限公司 | replacement prosthesis |
| CN108852560A (en) * | 2018-09-05 | 2018-11-23 | 西安赛隆金属材料有限责任公司 | A kind of customization porous tantalum shin bone cushion block |
| CN109528356A (en) * | 2019-01-21 | 2019-03-29 | 北京爱康宜诚医疗器材有限公司 | Compound insert |
| CN110404118A (en) * | 2019-08-16 | 2019-11-05 | 上海交通大学医学院附属第九人民医院 | Bone defect repair support and construction method, preparation method, computer readable storage medium, equipment |
| CN110755177A (en) * | 2019-10-25 | 2020-02-07 | 上海交通大学医学院附属第九人民医院 | Bone defect implant, construction method, preparation method, computer-readable storage medium and equipment |
| CN110833472A (en) * | 2019-11-22 | 2020-02-25 | 吉林大学 | Manufacturing method of 3D printing-based individual customized knee joint bionic prosthesis |
| CN111631843A (en) * | 2020-06-05 | 2020-09-08 | 北京市春立正达医疗器械股份有限公司 | Hip joint femoral stem prosthesis and manufacturing method thereof |
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| CN116327452A (en) * | 2023-05-30 | 2023-06-27 | 吉林大学 | Multi-element coupling bionic cushion block for knee joint defect and manufacturing method thereof |
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| CN108852560A (en) * | 2018-09-05 | 2018-11-23 | 西安赛隆金属材料有限责任公司 | A kind of customization porous tantalum shin bone cushion block |
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| CN110404118A (en) * | 2019-08-16 | 2019-11-05 | 上海交通大学医学院附属第九人民医院 | Bone defect repair support and construction method, preparation method, computer readable storage medium, equipment |
| CN110755177A (en) * | 2019-10-25 | 2020-02-07 | 上海交通大学医学院附属第九人民医院 | Bone defect implant, construction method, preparation method, computer-readable storage medium and equipment |
| CN110833472A (en) * | 2019-11-22 | 2020-02-25 | 吉林大学 | Manufacturing method of 3D printing-based individual customized knee joint bionic prosthesis |
| CN111631843A (en) * | 2020-06-05 | 2020-09-08 | 北京市春立正达医疗器械股份有限公司 | Hip joint femoral stem prosthesis and manufacturing method thereof |
| CN111631842A (en) * | 2020-06-09 | 2020-09-08 | 中国人民解放军陆军军医大学第一附属医院 | Method for preparing bone defect prosthesis |
| CN112022448A (en) * | 2020-09-29 | 2020-12-04 | 北京市春立正达医疗器械股份有限公司 | High-mobility artificial shoulder joint prosthesis |
| WO2022068112A1 (en) * | 2020-09-29 | 2022-04-07 | 北京市春立正达医疗器械股份有限公司 | High-mobility artificial shoulder joint prosthesis |
| CN112754735A (en) * | 2021-01-08 | 2021-05-07 | 北京市春立正达医疗器械股份有限公司 | Tantalum support |
| CN116327452A (en) * | 2023-05-30 | 2023-06-27 | 吉林大学 | Multi-element coupling bionic cushion block for knee joint defect and manufacturing method thereof |
| CN117224289A (en) * | 2023-11-14 | 2023-12-15 | 北京爱康宜诚医疗器材有限公司 | Asymmetric knee joint prosthesis and preparation method thereof |
| CN117224289B (en) * | 2023-11-14 | 2024-02-20 | 北京爱康宜诚医疗器材有限公司 | Asymmetric knee joint prosthesis and preparation method thereof |
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