CN107496061A - A kind of assembly type artificial crystalline lens - Google Patents
A kind of assembly type artificial crystalline lens Download PDFInfo
- Publication number
- CN107496061A CN107496061A CN201710910139.3A CN201710910139A CN107496061A CN 107496061 A CN107496061 A CN 107496061A CN 201710910139 A CN201710910139 A CN 201710910139A CN 107496061 A CN107496061 A CN 107496061A
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- China
- Prior art keywords
- ilium
- combination
- crystalline lens
- assembly type
- synthetism
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- 210000000695 crystalline len Anatomy 0.000 title claims abstract description 32
- 210000003692 ilium Anatomy 0.000 claims abstract description 82
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000010146 3D printing Methods 0.000 claims abstract description 12
- 239000011148 porous material Substances 0.000 claims abstract description 6
- 238000010079 rubber tapping Methods 0.000 claims abstract description 6
- 230000002787 reinforcement Effects 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 206010028980 Neoplasm Diseases 0.000 abstract description 34
- 238000002271 resection Methods 0.000 abstract description 18
- 230000007774 longterm Effects 0.000 abstract description 10
- 210000004705 lumbosacral region Anatomy 0.000 abstract description 8
- 210000000988 bone and bone Anatomy 0.000 description 22
- 230000006641 stabilisation Effects 0.000 description 7
- 238000011105 stabilization Methods 0.000 description 7
- 210000001519 tissue Anatomy 0.000 description 6
- 230000003902 lesion Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 210000001624 hip Anatomy 0.000 description 3
- 206010061336 Pelvic neoplasm Diseases 0.000 description 2
- 241001079814 Symphyotrichum pilosum Species 0.000 description 2
- 235000004224 Typha angustifolia Nutrition 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 210000004197 pelvis Anatomy 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 108010048734 sclerotin Proteins 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 206010057071 Rectal tenesmus Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000003275 diaphysis Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004409 osteocyte Anatomy 0.000 description 1
- 230000000250 revascularization Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 208000012271 tenesmus Diseases 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30108—Shapes
- A61F2002/3011—Cross-sections or two-dimensional shapes
-
- 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
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
-
- 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
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30433—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using additional screws, bolts, dowels, rivets or washers e.g. connecting screws
-
- 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
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2002/448—Joints for the spine, e.g. vertebrae, spinal discs comprising multiple adjacent spinal implants within the same intervertebral space or within the same vertebra, e.g. comprising two adjacent spinal implants
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Neurology (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Manufacturing & Machinery (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to a kind of assembly type artificial crystalline lens, described assembly type artificial crystalline lens include prosthetic main, the first ilium combination, the second ilium combination；The first ilium combination and the second ilium combination are connected by tapping being established with prosthetic main for inserted mode；The first described ilium combination or the second ilium combination include connector and synthetism body；The synthetism body is provided with pore structure；The first ilium combination and/or the second ilium combination are fabricated using 3D printing technique.Its advantage is shown：In Sacral reconstruction, it can realize and precisely be matched with Sacral Tumors difference excision face, personalized customization, the stress conduction of lumbosacral region recovers good with stability, it is easy to adjustment length to establish with lumbar vertebrae to be fixedly connected, avoids lumbar vertebrae from vacantly dropping, can be merged completely with tumor resection face, slitless connection is realized, it is steady in a long-term restorative good.
Description
Technical field
The present invention relates to technical field of medical instruments, is a kind of assembly type artificial crystalline lens specifically.
Background technology
Rumpbone is important step of the backbone to pelvis transition, to support backbone, maintains pelvic stabilization, transmission upper body part life
Reason load and external heavy burden etc. have extremely important effect.Sacral Tumors occupy certain proportion in tumor of spine case,
Surgery excision is the Main Means of Current therapeutic Sacral Tumors.After Sacral Tumors excision, the complete of rumpbone is regained in order to obtain
Whole property, a variety of sacral prosthesis are employed in the prior art and are rebuild.But on sacral prosthesis of the prior art exist with
Lower defect and deficiency：
First, when Sacral Tumors are cut off, the scope of different patient's tumor resections is different, some patient tumors excision extensions
Greatly, some patient tumors excision extensions are small, i.e., when different patient tumors are cut off, can form different angles of inclination and shape is big
Small inclined plane, the inclined plane is the contact surface being combined with sacral prosthesis, and the existing sacral prosthesis used is integral type
Structure, corresponding sacral prosthesis can not be matched according to tumour section during use, this can influence the continuity of bilateral sacrum iliac joints,
The sacral prosthesis used in the prior art is unified, it is impossible to personalized customization is realized according to tumor resection face, in operation
Can not precisely it be matched.
Secondly, after Sacral Tumors excision, lumbar vertebrae is in vacant state, in the prior art using through passing through ilium nail i.e. nail rod
The next lumbar vertebrae is supported directly upon on ilium by system, i.e., " church formula " is rebuild.The nail rod that said structure is rebuild easily occurs disconnected
Split or loosen, sclerotin receives destruction, and patient easily limits the state that can not be taken care of oneself into the walking that can not stand, life once again.And from
From the point of view of mechanics angle, torque is longer after being fixed due to lumbosacral vertebra pelvis, and this, which has resulted in lumbosacral region, can bear larger stress
And shearing force.
In addition, part Sacral Tumors easily involve lower lumbar spine simultaneously, when carrying out tumor resection, it is also desirable to while as far as possible
By lesion resection of the waist 5 even on waist 4, and used in prior art prosthese only consider the tumour of excision be confined to rumpbone and
Required prosthese during rumpbone both sides, when being cut off in face of involving the Sacral Tumors of L5 or L4 sections, the size of sacral prosthesis is not
Foot, it is impossible to establish and be fixedly connected with lumbar vertebrae.
Chinese patent literature CN200710019700.5, applying date 2007.02.01, a kind of artificial crystalline lens are disclosed,
Mainly it is made up of ilium attachment structure and lower lumbar spine pedicle nail bar system, it is characterised in that：The sheet of the ilium attachment structure
Body is domed, is provided with the vertebra bracketing platform coordinated with soleplate shaped position under the lumbar vertebrae after excision in the middle part of arch, under arch both sides
End face matches somebody with somebody to merge with the articulatio sacroiliaca section after excision is provided with iliac screw, and arch top both sides are respectively equipped with a rumpbone
Rod, the end of sacrum rod are provided with the connecting portion coordinated with remaining ilium top.But rumpbone difference can be realized on one kind
Tumor resection face is precisely matched, personalized customization, and the stress conduction of lumbosacral region recovers good with stability, is easy to adjustment length
Establish that the assembly type artificial crystalline lens that are fixedly connected are not then corresponding to be disclosed with lumbar vertebrae.
In summary, it is necessary to which one kind can realize that rumpbone difference tumor resection face is precisely matched, personalized customization, waist
The stress conduction in sacrum portion recovers good with stability, is easy to adjustment length to establish the artificial rumpbone of assembly type being fixedly connected with lumbar vertebrae false
Body.
The content of the invention
The purpose of the present invention is to be directed to deficiency of the prior art, there is provided a kind of different excisions that can be directed to Sacral Tumors
Face is precisely matched, personalized customization, and the stress conduction of lumbosacral region recovers good with stability, is easy to adjustment length to be built with lumbar vertebrae
The vertical assembly type artificial crystalline lens being fixedly connected.
To achieve the above object, the present invention adopts the technical scheme that：
A kind of assembly type artificial crystalline lens, described assembly type artificial crystalline lens include prosthetic main, the first ilium
Combination, the second ilium combination；First ilium combination and the second ilium combination pass through tap inserted mode and prosthese
Main body establishes connection；The first described ilium combination or the second ilium combination include connector and synthetism body；Synthetism body
Small end face is established with connector and connected, and the large end face of synthetism body is free-end, and synthetism body large end face is axially with respect to synthetism body
Inclined contact surface；Prosthetic main lower edge midpoint is provided with screw hole, and centrum fixing screws are provided with the screw hole；It is described to connect
Diaphysis is provided with iliac screw hole, and ilium fixing screws are assembled on iliac screw hole；The synthetism body is provided with pore structure；Institute
State the first ilium combination and/or the second ilium combination is fabricated using 3D printing technique.
As a kind of perferred technical scheme, described prosthetic main is in chevron shaped.
As a kind of perferred technical scheme, the prosthetic main upper end has the centrum contact surface for forming platform.
As a kind of perferred technical scheme, described synthetism body flare structure.
As a kind of perferred technical scheme, the connector is provided with embedded block, corresponding prosthetic main be provided with it is embedding
Enter the embedded hole that block is engaged.
As a kind of perferred technical scheme, the connector is provided with embedded hole, corresponding prosthetic main be provided with
The embedded block that embedded hole is engaged.
As a kind of perferred technical scheme, arc surface is carried on the outer peripheral face of the embedded block.
As a kind of perferred technical scheme, hollow structure can be set to inside described prosthetic main, and in prosthetic main
Inside sets reinforcement structure.
As a kind of perferred technical scheme, the bottom of described prosthetic main and medial surface are shiny surface.
As a kind of perferred technical scheme, described centrum contact surface is designed as elliptic rough face, and has dentation convex
Rise.
The invention has the advantages that：
1st, a kind of assembly type sacral prosthesis of the invention, in Sacral reconstruction, can realize rumpbone difference tumor resection face
Precisely matched, personalized customization, the stress conduction of lumbosacral region recovers good with stability, is easy to adjustment length to be established with lumbar vertebrae
It is fixedly connected, avoids lumbar vertebrae from vacantly dropping, can be completely merged with tumor resection face, realize slitless connection, it is steady in a long-term to recover
Property is good；
2nd, prosthetic main is mass production, and the first ilium combination or the second ilium combination use 3D printing technique system
Make and form, without whole sacral prosthesis is all fabricated using 3D printing technique, cost is low, can quickly obtain product；
3rd, the stress strong point of sacral prosthesis is in the structure type of " triangle " distribution, i.e., respectively in two iliums and lumbar vertebrae position
Put place and establish the mechanical environment being distributed in " triangle ", there is good mechanical property, improve the internal force distribution of structure；
4th, prosthetic main has the centrum contact surface for forming platform, has preferable supporting role to lumbar vertebrae, prevents centrum
Tenesmus；Centrum contact surface in sacral prosthesis main body should be brought into close contact with contact surface under neighbouring lumbar vertebrae, in sacral prosthesis main body
Centrum contact surface is designed as elliptic rough face, and has detent projection, is advantageous to form close connection with lumbar vertebrae, can be formed near
Phase is stable, waits lumbar vertebra to grow into sacral prosthesis main body, forms firm bone connection, could so ensure artificial crystalline lens
Long term is stable, and general artificial prosthesis can only support recent stability, and long term is needed by firm Bone Ingrowth, bone connection and good
Good stress conduction, the NOL ring formed by both sides ilium and sacral prosthesis are shared.
5th, centrum fixing screws are worn in the centrum screw hole of prosthetic main, centrum fixing screws 31 penetrate lesion and cut upwards
Except region adjacent lumbar motion segment, prosthetic main is fixed on neighbouring lumbar vertebrae, Titanic micro-plates is formed, is advantageous to prosthetic main and neighbour
The stabilization of nearly lumbar motion segment is with merging；
6th, the bottom of prosthetic main and medial surface are shiny surface, and prosthetic main bottom is in contact with pelvic tissue, design
It can avoid dampening pelvic tissue into shiny surface；
7th, prosthetic main is hollow, and unit mass is light so that prosthetic main is closer to adjacent bone, so that bone melts
Close better；
The 8th, reinforcement structure is set inside prosthetic main, it can be ensured that the strength and stiffness of prosthetic main, improve prosthetic main
Anti-torsion and compressive property；
9th, the first ilium combination and/or the second ilium combination are fabricated using 3D printing technique, tumor resection
The the first ilium combination and/or the second ilium combination that inclined plane matches.Weight is dissected after not only meeting pelvic tumor resection
Accurate, the complicated requirement built, moreover it is possible to realize, the requirement made disposable according to different patients；
10th, the first ilium combination and the second ilium combination are established by way of tapping and inserting with prosthetic main connects
Connect, the connected mode stability is good, prevents that generation turns between prosthetic main and the first ilium combination or the second ilium combination
Dynamic torque etc. influences merging between sacral prosthesis and bone.
Brief description of the drawings
Accompanying drawing 1 is a kind of assembly type artificial crystalline lens structural representation of the present invention.
Accompanying drawing 2 is artificial crystalline lens disassembly status structural representation.
The attachment structure schematic diagram of the connector of accompanying drawing 3 and embedded block and synthetism body
Accompanying drawing 4 is the stationary state structural representation of assembly type artificial crystalline lens of the present invention.
Accompanying drawing 5 is assembly type artificial crystalline lens of the invention structural representation in a state of use.
Accompanying drawing 6 is prosthetic main upper end surface structure schematic diagram.
Embodiment
Embodiment provided by the invention is elaborated below in conjunction with the accompanying drawings.
The reference and part being related in accompanying drawing are as follows：
1. the centrum contact surface of prosthetic main 11.
111. detent projection
12. the ilium combination of embedded hole 2. first
21. the connector of the second ilium combination 22.
The synthetism body of 221. embedded block 23.
The centrum screw hole of 231. synthetism face 3.
31. the iliac screw hole of centrum fixing screws 4.
41. ilium fixing screws
Embodiment 1
Referring to Fig.1 and 2, Fig. 1 is a kind of assembly type artificial crystalline lens structural representation of the present invention.It refer to figure
2, Fig. 2 be artificial crystalline lens disassembly status structural representation.A kind of assembly type artificial crystalline lens, described assembly type are artificial
Sacral prosthesis includes prosthetic main 1, the first ilium combination 2, the second ilium combination 21；Described prosthetic main 1 is in herringbone
Type (see Fig. 5)；The upper end of prosthetic main 1 has the centrum contact surface 11 for forming platform, and the centrum contact surface 11 is ellipse
Shape mat surface, and have detent projection (see Fig. 6)；First ilium combination 2 and the second ilium combination 21 are by tapping insertion side
Being established with prosthetic main 1 for formula connects；The first described ilium combination 2 or the second ilium combination 21 include the He of connector 22
Synthetism body 23；The described flare structure of synthetism body 23, the small end face of synthetism body 23 is established with connector 22 to be connected, synthetism body
23 large end face is free-end, and the large end face of synthetism body 23 is axially inclined contact surface with respect to synthetism body 23；
Fig. 3 is refer to, 3 be that connector 22 is illustrated with attachment structure under another direction of embedded block 221 and synthetism body
Figure.The connector 22 is provided with embedded block 221, and corresponding prosthetic main 1 is provided with the embedded hole being engaged with embedded block 221
12；Arc surface is carried on the outer peripheral face of the embedded block 221.
Fig. 4 is refer to, Fig. 4 is the stationary state structural representation of assembly type artificial crystalline lens of the present invention.Prosthetic main 1
Lower edge midpoint is provided with screw hole 3, and centrum fixing screws 31 are provided with the screw hole 3；The synthetism body 23 is provided with ilium spiral shell
Nail 4, ilium fixing screws 41 are assembled on iliac screw hole 4；The synthetism body 23 is provided with pore structure；First ilium
The ilium combination 21 of combination 2 and second is fabricated using 3D printing technique.
It should be noted that：Prosthetic main 1 is herringbone, and lumbar vertebral body transmission stress is distributed along people's word direction,
With good mechanical property, the internal force distribution of structure is improved, can in the case where bearing higher stress and shearing force
Maintain the rigidity of prosthetic main 1 so that sclerotin is not readily susceptible to destroy；With the centrum contact surface 11 for forming platform, to lumbar vertebrae
With preferable supporting role, prevent centrum from dropping, the centrum contact surface 11 in sacral prosthesis main body 1 should be with connecing under neighbouring lumbar vertebrae
Contacting surface is brought into close contact, and the centrum contact surface 11 in sacral prosthesis main body 1 is designed as elliptic rough face, and has detent projection 111,
Be advantageous to form close connection with lumbar vertebrae, recent stabilization can be formed, wait lumbar vertebra to grow into sacral prosthesis main body, formed firm
Bone connects, and could so ensure that the long term of artificial crystalline lens is stable, general artificial prosthesis can only support recent stabilization
Property, long term needs to connect by firm Bone Ingrowth, bone and the conduction of good stress, is answered by what both sides ilium and sacral prosthesis were formed
Power ring is shared.
Prosthetic main 1 is provided with centrum screw hole 3, and centrum fixing screws 31, centrum fixing screws are worn in centrum screw hole 3
31 penetrate lesion cut-away area adjacent to lumbar motion segment upwards, and prosthetic main is fixed on into neighbouring lumbar vertebrae, Titanic micro-plates is formed, has
Beneficial to prosthetic main with the stabilization of neighbouring lumbar motion segment with merging (see Fig. 5).
The bottom of prosthetic main 1 and medial surface are shiny surface, and the bottom of prosthetic main 1 and medial surface connect with pelvic tissue
Touch, be designed to that shiny surface can avoid dampening pelvic tissue.
The inside of prosthetic main 1 can be set to hollow structure, and set reinforcement structure inside prosthetic main 1, and the design is main
There is following technique effect：Prosthetic main 1 is hollow, and unit mass is light so that prosthetic main 1 closer to adjacent bone so that
It is better to obtain Bony union；The inside of prosthetic main 1 sets reinforcement structure, it can be ensured that the strength and stiffness of prosthetic main 1, carries
The high anti-torsion of prosthetic main 1 and compressive property, and reinforcement structure is arranged on inside, it is arranged on outside phase with reinforcement structure
Than internal reinforcement structure effect is more preferable, is only the reinforcement for realizing that surface is local if reinforcement structure is arranged on outside.
First ilium combination 2 and/or the second ilium combination 21 are fabricated using 3D printing technique, because of different trouble
Person's Sacral Tumors excision extension is different, and the inclined plane of tumor resection is also different, preoperative to cut off position according to patient's Sacral Tumors
CT three-dimensional reconstruction data configurations go out the 3D models of the first ilium combination 2 and the second ilium combination 21, can print and tumour
The the first ilium combination 2 and/or the second ilium combination 21 that excision inclined plane matches.After not only meeting pelvic tumor resection
Accurate, the complicated requirement of Anatomical Reconstruction, moreover it is possible to realize, the requirement made disposable according to different patients.
First ilium combination 2 and the second ilium combination 21 are established by way of tapping and inserting with prosthetic main 1
Connection, the connected mode stability is good, prevents between the ilium combination 2 of prosthetic main 1 and first or the second ilium combination 21
Producing driving torque etc. influences merging between sacral prosthesis and bone.
First ilium combination 2 or the second ilium combination 21 include synthetism body 23 and connector 22, synthetism body 23 it is outer
Side face flare designs, and the planform is consistent with the physiological structure of ilium, promotes merging between bone prosthesis and bone；
The end face of synthetism body 23 is inclined synthetism face 231, and synthetism face 231 is formed by 3D printing technique, each patient tumors
Excision face corresponds with synthetism face 231 so that and synthetism face 231 can be merged completely with tumor resection face, realize slitless connection,
It is steady in a long-term restorative good.
Synthetism body 23 is provided with pore structure, and the design of pore structure goes purpose to be easy for osteocyte and creep to grow into hole
In structure, it is easy to provide optimal bony union interface, and revascularization can be realized, so as to realizes osteotomy surface and sacral prosthesis
Bony union.
Connector 22 is provided with embedded block 221, and embedded block 221 carries arc surface, when embedded block 221 and embedded hole 12 assemble
When, the design contact area of arc surface is big, and stability is good, and the design of arc surface, when embedded block 221 inserts embedded hole 12,
It is easy to quickly establish benchmark so that connector 22 can quickly tap insertion connection.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, and its difference is, is arranged on embedded block 221 in the present embodiment
In prosthetic main 1, embedded hole 12 is arranged on connector 22, the design method and the embedded block 221 in embodiment and insertion
The design contrast in hole 12.It can be selected according to the needs of assembling.
A kind of assembly type sacral prosthesis of the present invention, in Sacral reconstruction, can realize that rumpbone difference tumor resection face is entered
Row precisely matching, personalized customization, the stress conduction of lumbosacral region recover good with stability, are easy to adjustment length to be established with lumbar vertebrae solid
Fixed connection, avoids lumbar vertebrae from vacantly dropping, can completely be merged with tumor resection face, realize slitless connection, steady in a long-term restorative
It is good；Prosthetic main 1 is that mass production, the first ilium combination 2 or the second ilium combination 21 are manufactured using 3D printing technique
Form, without whole sacral prosthesis is all fabricated using 3D printing technique, cost is low, can quickly obtain product；Sacrum
The stress strong point of bone prosthese is in the structure type of " triangle " distribution, i.e., is in two iliums and the foundation of lumbar vertebrae opening position respectively
The mechanical environment of " triangle " distribution, has good mechanical property, improves the internal force distribution of structure；Prosthetic main 1 has shape
Into the centrum contact surface 11 of platform, there is preferable supporting role to lumbar vertebrae, prevent centrum from dropping, in sacral prosthesis main body 1
Centrum contact surface 11 should be brought into close contact with contact surface under neighbouring lumbar vertebrae, and the centrum contact surface 11 in sacral prosthesis main body 1 is designed as
Elliptic rough face, and have detent projection 111, be advantageous to form close connection with lumbar vertebrae, recent stabilization can be formed, wait lumbar vertebrae
Bone Ingrowth sacral prosthesis main body, firm bone connection is formed, could so ensure that the long term of artificial crystalline lens is stable, typically
Artificial prosthesis can only support recent stability, and long term is needed by firm Bone Ingrowth, bone connection and the conduction of good stress,
The NOL ring that is formed by both sides ilium and sacral prosthesis is shared；Centrum is worn in the centrum screw hole 3 of prosthetic main 1 and fixes spiral shell
Nail 31, centrum fixing screws 31 penetrate lesion cut-away area adjacent to lumbar motion segment upwards, and prosthetic main is fixed on into neighbouring lumbar vertebrae,
Titanic micro-plates are formed, are advantageous to prosthetic main with the stabilization of neighbouring lumbar motion segment with merging；The bottom of prosthetic main 1 and interior
Side is shiny surface, and the bottom of prosthetic main 1 and medial surface are in contact with pelvic tissue, is designed to that shiny surface can avoid dampening basin
Cavity tissue；Prosthetic main 1 is hollow, and unit mass is light so that prosthetic main 1 is closer to adjacent bone, so that bone melts
Close better；The inside of prosthetic main 1 sets reinforcement structure, it can be ensured that the strength and stiffness of prosthetic main 1, improves prosthese master
The anti-torsion of body 1 and compressive property；First ilium combination 2 and/or the second ilium combination 21 use 3D printing technique system
Make and form, the first ilium combination 2 and/or the second ilium combination 21 that tumor resection inclined plane matches.Not only meet bone
Accurate, the complicated requirement of Anatomical Reconstruction after basin tumor resection, moreover it is possible to which realization is disposable according to different patients, and that makes to measure will
Ask；First ilium combination 2 and the second ilium combination 21 are established by way of tapping and inserting with prosthetic main 1 to be connected,
The connected mode stability is good, prevents that generation turns between the ilium combination 2 of prosthetic main 1 and first or the second ilium combination 21
Dynamic torque etc. influences merging between sacral prosthesis and bone.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, on the premise of the inventive method is not departed from, can also make some improvement and supplement, and these are improved and supplement also should be regarded as
Protection scope of the present invention.
Claims (10)
- A kind of 1. assembly type artificial crystalline lens, it is characterised in that described assembly type artificial crystalline lens include prosthetic main, First ilium combination, the second ilium combination；First ilium combination and the second ilium combination are by tapping inserted mode With prosthetic main establish connect；The first described ilium combination or the second ilium combination include connector and synthetism body； The small end face of synthetism body is established with connector and connected, and the large end face of synthetism body is free-end, and synthetism body large end face is with respect to synthetism Body is axially inclined contact surface；The prosthetic main lower edge midpoint is provided with screw hole, consolidates in the screw hole provided with centrum Determine screw；The synthetism body is provided with iliac screw hole, and ilium fixing screws are assembled on iliac screw hole；Set on the synthetism body There is pore structure；The first ilium combination and/or the second ilium combination are fabricated using 3D printing technique.
- 2. a kind of assembly type artificial crystalline lens according to claim 1, it is characterised in that described prosthetic main is in people Font.
- A kind of 3. assembly type artificial crystalline lens according to claim 1, it is characterised in that the prosthetic main upper end tool Have to form the centrum contact surface of platform.
- 4. a kind of assembly type artificial crystalline lens according to claim 1, it is characterised in that described synthetism body is in loudspeaker Shape structure.
- 5. a kind of assembly type artificial crystalline lens according to claim 1, it is characterised in that the connector is provided with insertion Block, corresponding prosthetic main are provided with the embedded hole being engaged with embedded block.
- A kind of 6. assembly type artificial crystalline lens according to claim any one of 1-4, it is characterised in that the connector Embedded hole is provided with, corresponding prosthetic main is provided with the embedded block being engaged with embedded hole.
- A kind of 7. assembly type artificial crystalline lens according to claim 5, it is characterised in that the outer peripheral face of the embedded block It is upper to carry arc surface.
- 8. a kind of assembly type artificial crystalline lens according to claim 1, it is characterised in that inside described prosthetic main Hollow structure is set to, and reinforcement structure is set inside prosthetic main.
- A kind of 9. assembly type artificial crystalline lens according to claim 1, it is characterised in that the bottom of described prosthetic main Portion and medial surface are shiny surface.
- A kind of 10. assembly type artificial crystalline lens according to claim 3, it is characterised in that described centrum contact surface Elliptic rough face is designed as, and has detent projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710910139.3A CN107496061B (en) | 2017-09-29 | Assembled artificial sacrum prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710910139.3A CN107496061B (en) | 2017-09-29 | Assembled artificial sacrum prosthesis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107496061A true CN107496061A (en) | 2017-12-22 |
| CN107496061B CN107496061B (en) | 2024-05-31 |
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| CN108542556A (en) * | 2018-04-28 | 2018-09-18 | 北京爱康宜诚医疗器材有限公司 | Waist sacrum artificial prosthesis |
| CN109044567A (en) * | 2018-08-22 | 2018-12-21 | 广州华钛三维材料制造有限公司 | A kind of artifical bone and preparation method thereof |
| CN109381284A (en) * | 2018-12-18 | 2019-02-26 | 广州华钛三维材料制造有限公司 | Sacral prosthesis and its installation system and installation method |
| CN109381283A (en) * | 2018-12-18 | 2019-02-26 | 广州华钛三维材料制造有限公司 | Sacral prosthesis installation system and installation method |
| CN109528357A (en) * | 2018-12-18 | 2019-03-29 | 天衍医疗器材有限公司 | Articulatio sacroiliaca prosthese |
| CN110292465A (en) * | 2019-06-25 | 2019-10-01 | 丁浩男 | A kind of sacral prosthesis for mitigating weight, increase intensity and Bone Ingrowth and fixing |
| CN110811937A (en) * | 2019-11-28 | 2020-02-21 | 中国人民解放军第四军医大学 | Individualized 3D prints titanium alloy sacrum false body |
| CN116747053A (en) * | 2023-08-11 | 2023-09-15 | 北京爱康宜诚医疗器材有限公司 | sacral prosthesis |
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| CN109381284B (en) * | 2018-12-18 | 2023-11-14 | 广州华钛三维材料制造有限公司 | Sacral prosthesis, and installation system and installation method thereof |
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| CN110292465A (en) * | 2019-06-25 | 2019-10-01 | 丁浩男 | A kind of sacral prosthesis for mitigating weight, increase intensity and Bone Ingrowth and fixing |
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| CN110811937A (en) * | 2019-11-28 | 2020-02-21 | 中国人民解放军第四军医大学 | Individualized 3D prints titanium alloy sacrum false body |
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