CN107510521A - Articulatio sacroiliaca fusion device - Google Patents
Articulatio sacroiliaca fusion device Download PDFInfo
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- CN107510521A CN107510521A CN201710821770.6A CN201710821770A CN107510521A CN 107510521 A CN107510521 A CN 107510521A CN 201710821770 A CN201710821770 A CN 201710821770A CN 107510521 A CN107510521 A CN 107510521A
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- articulatio sacroiliaca
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- fusion device
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- articulatio
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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
- A61F2/30988—Other joints not covered by any of the groups A61F2/32 - A61F2/4425
-
- 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
-
- 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
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30108—Shapes
- A61F2002/30199—Three-dimensional shapes
- A61F2002/30224—Three-dimensional shapes cylindrical
-
- 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
- A61F2/30988—Other joints not covered by any of the groups A61F2/32 - A61F2/4425
- A61F2002/30995—Other joints not covered by any of the groups A61F2/32 - A61F2/4425 for sacro-iliac joints
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00179—Ceramics or ceramic-like structures
- A61F2310/00293—Ceramics or ceramic-like structures containing a phosphorus-containing compound, e.g. apatite
Abstract
The invention provides a kind of articulatio sacroiliaca fusion device, including：Block is merged, fusion block is trabecular bone structure, and fusion block is column, when merging block in implantation articulatio sacroiliaca, to enable the cartilaginous tissue of articulatio sacroiliaca to grow into trabecular bone structure.So as to after articulatio sacroiliaca fusion device is implanted into articulatio sacroiliaca, osteocyte can creep along the micropore of trabecular bone structure with fine vascular and grow into during Rehabilitation, the embedded articulatio sacroiliaca emerging system of active fusion is ultimately formed, and then there is preferable stability.Solve the problems, such as that articulatio sacroiliaca fusion device of the prior art is difficult to merge with articulatio sacroiliaca.
Description
Technical field
The present invention relates to area of medical devices, in particular to a kind of articulatio sacroiliaca fusion device.
Background technology
Articulatio sacroiliaca is the joint engaged by ligament between the rumpbone and ilium of pelvis, and it has articular cartilage and meeting
The chain irregular protuberance of two bones and the arthrodia of depression are produced, rumpbone supports vertebra and again by the ilium branch on every side
Support.
The pain related to articulatio sacroiliaca can by the traumatic fractue dislocation of pelvis, degenerative arthritis, sacro-iliitis,
Other degenerative pathologies of osteitis condensans ilii or articulatio sacroiliaca cause.Currently, the surgical treatment advocated the most of these symptom is
Articulatio sacroiliaca merges.
Articulatio sacroiliaca fusion can be reached by some different existing methods, mainly cover preceding path method, posterior approach and side
Path method, with or without percutaneous screw or other types of implant set.Existing articulatio sacroiliaca fusion device is being performed the operation
During be difficult to fixed and later be difficult to merge with articulatio sacroiliaca in operation, cause patient articular to recover the pass after relatively slow and fusion
It is bad to save stability.
The content of the invention
It is a primary object of the present invention to provide a kind of articulatio sacroiliaca fusion device, to solve articulatio sacroiliaca of the prior art
The problem of fusion device is difficult to merge with articulatio sacroiliaca.
To achieve these goals, according to an aspect of the invention, there is provided a kind of articulatio sacroiliaca fusion device, including：
Block is merged, fusion block is trabecular bone structure, and fusion block is column, when merging in block implantation articulatio sacroiliaca, close sacrum ilium
The cartilaginous tissue of section can grow into trabecular bone structure.
Further, trabecular bone structure has mesh, and the aperture of mesh is 0.1mm to 2mm.
Further, the aperture of mesh is 1mm.
Further, fusion block includes：Main part；End head, the front end of main part is arranged on, is planted for guide main body portion
Enter in articulatio sacroiliaca.
Further, main part is triangular prism.
Further, every rib of main part has arc transiting surface.
Further, end head is conical head.
Further, at least part for merging the surface of block is coated with hydroxyapatite coating layer.
Further, block is merged to be fabricated using one of following metal：Titanium, titanium alloy, cobalt alloy, stainless steel,
Tantalum metal and magnesium alloy.
Further, fusion block is fabricated in a manner of 3D printing.
According to another aspect of the present invention, there is provided a kind of method for implantation for above-mentioned articulatio sacroiliaca fusion device, bag
Include following steps：It is determined that merge through the default incision path of the soft tissue of articulatio sacroiliaca；It will be merged according to default incision path
The fusion block insertion articulatio sacroiliaca of device.
Using the articulatio sacroiliaca fusion device of technical solution of the present invention, including：Block is merged, fusion block is trabecular bone structure, is melted
Conjunction block is column, when merging block in implantation articulatio sacroiliaca, to enable the cartilaginous tissue of articulatio sacroiliaca to grow into bone trabecula
Structure.So as to after articulatio sacroiliaca fusion device is implanted into articulatio sacroiliaca, osteocyte and fine vascular can be along during Rehabilitation
The micropore of trabecular bone structure, which is creeped, to be grown into, and ultimately forms the embedded articulatio sacroiliaca emerging system of active fusion, and then have
There is preferable stability.Solve the problems, such as that articulatio sacroiliaca fusion device of the prior art is difficult to merge with articulatio sacroiliaca.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
A kind of Fig. 1 optional structural representations of articulatio sacroiliaca fusion device according to embodiments of the present invention；
Fig. 2 is the mplifying structure schematic diagram at A in Fig. 1；
A kind of Fig. 3 optional stereo profile structural representations of articulatio sacroiliaca fusion device according to embodiments of the present invention；
A kind of Fig. 4 optional cross-sectional profile structural representations of articulatio sacroiliaca fusion device according to embodiments of the present invention；
Fig. 5 is the structural representation of the articulatio sacroiliaca of human body；And
Fig. 6 according to embodiments of the present invention in the implantation process of articulatio sacroiliaca illustrate by a kind of optional articulatio sacroiliaca fusion device
Figure.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
10th, block is merged；11st, main part；12nd, end head；20th, rumpbone；30th, ilium；40th, articulatio sacroiliaca.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Articulatio sacroiliaca fusion device according to embodiments of the present invention, as shown in figure 1, including：Block 10 is merged, fusion block 10 is bone
Trabecularism, fusion block 10 are column, when merging in the implantation articulatio sacroiliaca of block 10, to enable the cartilaginous tissue of articulatio sacroiliaca
Enough grow into trabecular bone structure.
Using the articulatio sacroiliaca fusion device of technical solution of the present invention, including：Block 10 is merged, fusion block 10 is bone trabecula knot
Structure, fusion block 10 are column, when merging block 10 in implantation articulatio sacroiliaca, to enable the cartilaginous tissue of articulatio sacroiliaca to grow
Enter trabecular bone structure.So that after articulatio sacroiliaca fusion device is implanted into articulatio sacroiliaca, osteocyte and fine blood during Rehabilitation
Pipe can creep along the micropore of trabecular bone structure and grow into, and ultimately form the embedded articulatio sacroiliaca fusion system of active fusion
System, and then there is preferable stability.Solve articulatio sacroiliaca fusion device of the prior art and be difficult to what is merged with articulatio sacroiliaca
Problem.
When it is implemented, further, as depicted in figs. 1 and 2, trabecular bone structure has mesh, and the aperture of mesh is
0.1mm to 2mm.After merging the implantation articulatio sacroiliaca of block 10, osteocyte and the fine vascular of patient can be along the nets of trabecular bone structure
Hole, which is creeped, to be grown into, so as to form stable emerging system.Alternatively, the aperture of mesh is 1mm.
According to the position of implantation articulatio sacroiliaca, it is necessary to carry out special design to the contour structures for merging block 10, specifically,
As shown in figure 3, fusion block 10 includes：Main part 11 and end head 12, end head 12 are arranged on the front end of main part 11, merge block
10 when being implanted into articulatio sacroiliaca, and end head 12 plays a part of guide main body portion 11 and is implanted into articulatio sacroiliaca.
Specifically, as shown in Figure 3 and Figure 4, main part 11 is triangular prism, has arc-shaped transition on the every rib of main part 11
Face, i.e. each angle in cross section of main part 11 is fillet.Main part 11, which is arranged to triangular prism shaped, to be implanted into sacrum in fusion block 10
Effectively prevent from merging block 10 behind ilium joint around its axial rotation.End head 12 is conical head, can be implanted into sacrum ilium in fusion block 10
During joint, it is easy to merge in the implant holes of the insertion articulatio sacroiliaca of block 10.
In order to further promote growing into for the cartilaginous tissue in articulatio sacroiliaca, at least part or complete on the surface of block 10 is merged
Hydroxyapatite coating layer is coated with portion surface, hydroxyapatite coating layer has the function of induced cell growth, soft so as to promote
Grown into such as tissue in the trabecular bone structure in fusion block 10.
In specific manufacture, fusion block 10 is fabricated using one of following metal：Titanium, titanium alloy, cobalt alloy, no
Become rusty steel, tantalum metal and magnesium alloy.In order to be flexibly adapted to the required physical dimension of different patients, fusion block 10 is with 3D
The mode of printing is fabricated.
The ankle joint fusion cage of the present embodiment uses laser or high-power electron beam rapid shaping technique, high temperature sintering, change
Burn into electrochemical deposition etc. technology is learned, other processing methods also include hot investment casting, welding, machine cut, electro-discharge machining
Shaping etc.；Hydroxyapatite coating layer is then obtained by pyrolytic coating or electrochemical deposition.
The specific manufacture method of the ankle joint fusion cage of the present embodiment is as follows：
1) three-dimensional data model of the ankle joint fusion cage of design-build the present embodiment in a computer；
2) three-dimensional data model is layered using professional software, to obtain a series of outline data of monolayer slices；
3) outline data of above-mentioned serial synusia is inputted to high-power electron beam rapid forming equipment；
4) floor height phase when laying is layered with foregoing three-dimensional data model in high-power electron beam rapid forming equipment processing cabin
Answer the metal dust of thickness；
5) metal dust is scanned by computer control high-power electron beam and selectively melted；
6) foregoing laying powder, scanning fusing step are repeated so that each layer is chosen the mutual clinkering of material of fusing into whole
Body；
7) remove the powder not melted after the melting process of the whole model layers of completion and can obtain required shape and structure
Ankle joint fusion cage.
According to another embodiment of the invention, there is provided a kind of method for implantation for above-mentioned articulatio sacroiliaca fusion device,
Comprise the following steps：It is determined that merge through the default incision path of the soft tissue of articulatio sacroiliaca；It will melt according to default incision path
The fusion block 10 of clutch inserts articulatio sacroiliaca.
As shown in figure 5, mankind's pelvic girdle is by by the rumpbone 20 of three relatively-stationary articulations, coccyx and and two pieces of hips
Bone (being formed by the fusion of ilium 30, ischium and pubis) is formed.Rumpbone 20 is connected in articulatio sacroiliaca 40 with two hipbones, and sacrum ilium closes
The function of section 40 is to transmit the power from spine to lower limb, and vice versa.The fusion of articulatio sacroiliaca 40 is typically considered to
It is for degenerative articulatio sacroiliaca 40 to be scorching, inflammatory articulatio sacroiliaca 40 is scorching, iatrogenic articulatio sacroiliaca 40 is unstable, the compactness of ilium 30
Osteitis or the surgical operation therapy of the traumatic fracture of pelvis dislocation.At present, screw and steel plate joint screw are used for sacrum ilium and melted
Close, cartilage must be removed by " synovial joint " part from articulatio sacroiliaca 40, and it is impaired, partly approach that this needs big otch
Dislocation, dislocation, fracture or degenerative joint.
The present embodiment is implanted into using the fusion device of articulatio sacroiliaca 40 and articulatio sacroiliaca 40 is fixed, as shown in fig. 6,
Its specific method is as follows：Suitable dimension fusion device is selected to be implanted into operation, at least one fusion device passes through soft tissue
In minimally-invasive incision path and insert in articulatio sacroiliaca 40, minimally-invasive incision path size by approx
Control is or the about maximum outside diameter of fusion device to enter ilium 30 with the incision path of minimally-invasive, through articulatio sacroiliaca 40
And enter rumpbone 20.Fusion device is by cutting in the articulatio sacroiliaca 40 that path is inserted between ilium 30 and rumpbone 20
Position, to merge articulatio sacroiliaca 40, and prepare without invasive joint, the removing or at articulatio sacroiliaca 40 or attached of cartilage
Near scraping.Similar cancellous bone structure possessed by the 3D metal trabecular bone structures used due to fusion device and ilium 30 and rumpbone
20 embedded combinations, osteocyte and micropore of the fine vascular along 3D metal trabecular bone structures are creeped length during Rehabilitation
Enter, ultimately form the embedded emerging system of articulatio sacroiliaca 40 of active fusion.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：
1st, the articulatio sacroiliaca fusion device of the embodiment of the present invention includes being suitable for the 3D metal trabecular bone structures of articulatio sacroiliaca, should
The appearance profile that 3D metal bone trabecula articulatio sacroiliacas fusion device has similar taper designs, and it has the 3D of similar human body cancellous bone
Metal trabecular bone structure, its exterior contour have sizes specification available；
2nd, the articulatio sacroiliaca fusion device of the embodiment of the present invention, is selected melting for appropriate specification as needed by doctor when in use
Close block 10 implantation need to merge articulatio sacroiliaca position after, its with ilium and the embedded combination of rumpbone to form incipient stability, it is postoperative extensive
It is relatively stable and with life that one can be formed after sclerotin around during the multiple phase and 3D metal trabecular bone structure fusion growths are integral
The supporting construction of thing activity, while this supporting construction can also cause the stimulation to Peripheral blood fortune to promote repairing for damaged cartilage
It is multiple；
3rd, the articulatio sacroiliaca fusion device of the embodiment of the present invention, its surface is all or part has hydroxyapatite coating layer, should
Hydroxyapatite coating layer has the function of induction bone cell growth.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (11)
- A kind of 1. articulatio sacroiliaca fusion device, it is characterised in that including：Block (10) is merged, the fusion block (10) is trabecular bone structure, and the fusion block (10) is column, with the fusion When in block (10) implantation articulatio sacroiliaca, the cartilaginous tissue of the articulatio sacroiliaca is set to grow into the trabecular bone structure.
- 2. articulatio sacroiliaca fusion device according to claim 1, it is characterised in that the trabecular bone structure has mesh, institute The aperture for stating mesh is 0.1mm to 2mm.
- 3. articulatio sacroiliaca fusion device according to claim 2, it is characterised in that the aperture of the mesh is 1mm.
- 4. articulatio sacroiliaca fusion device according to claim 1, it is characterised in that the fusion block (10) includes：Main part (11)；End head (12), the front end of the main part (11) is arranged on, for guiding the main part (11) to be implanted into the sacrum ilium It is intra-articular.
- 5. articulatio sacroiliaca fusion device according to claim 4, it is characterised in that the main part (11) is triangular prism.
- 6. articulatio sacroiliaca fusion device according to claim 5, it is characterised in that every rib of the main part (11) is respectively provided with Arc transiting surface.
- 7. articulatio sacroiliaca fusion device according to claim 4, it is characterised in that the end head (12) is conical head.
- 8. articulatio sacroiliaca fusion device according to claim 1, it is characterised in that the surface of the fusion block (10) is at least It is partially coated with hydroxyapatite coating layer.
- 9. articulatio sacroiliaca fusion device according to claim 1, it is characterised in that the fusion block (10) uses following metal One of them is fabricated：Titanium, titanium alloy, cobalt alloy, stainless steel, tantalum metal and magnesium alloy.
- 10. articulatio sacroiliaca fusion device according to claim 9, it is characterised in that the fusion block (10) is with 3D printing Mode is fabricated.
- 11. a kind of method for implantation of articulatio sacroiliaca fusion device for any one of claim 1 to 10, its feature exist In comprising the following steps：It is determined that merge through the default incision path of the soft tissue of articulatio sacroiliaca；The fusion block (10) of fusion device is inserted into articulatio sacroiliaca according to the default incision path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710821770.6A CN107510521A (en) | 2017-09-12 | 2017-09-12 | Articulatio sacroiliaca fusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710821770.6A CN107510521A (en) | 2017-09-12 | 2017-09-12 | Articulatio sacroiliaca fusion device |
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| Publication Number | Publication Date |
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| CN107510521A true CN107510521A (en) | 2017-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710821770.6A Pending CN107510521A (en) | 2017-09-12 | 2017-09-12 | Articulatio sacroiliaca fusion device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108836576A (en) * | 2018-07-18 | 2018-11-20 | 北京爱康宜诚医疗器材有限公司 | replacement prosthesis |
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Application publication date: 20171226 |