CN107874873A - A kind of stretchable Artificial Rib of band peek coatings - Google Patents
A kind of stretchable Artificial Rib of band peek coatings Download PDFInfo
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- CN107874873A CN107874873A CN201710912090.5A CN201710912090A CN107874873A CN 107874873 A CN107874873 A CN 107874873A CN 201710912090 A CN201710912090 A CN 201710912090A CN 107874873 A CN107874873 A CN 107874873A
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- stretching structure
- elongated cavity
- groove
- stretching
- side groove
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- 238000000576 coating method Methods 0.000 title claims abstract description 16
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000005304 joining Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims 1
- 206010067484 Adverse reaction Diseases 0.000 abstract description 2
- 230000006838 adverse reaction Effects 0.000 abstract description 2
- 231100000572 poisoning Toxicity 0.000 abstract description 2
- 230000000607 poisoning effect Effects 0.000 abstract description 2
- 210000000988 bone and bone Anatomy 0.000 description 7
- 210000001519 tissue Anatomy 0.000 description 5
- 210000003739 neck Anatomy 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 210000001562 sternum Anatomy 0.000 description 2
- 210000000115 thoracic cavity Anatomy 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 206010031149 Osteitis Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 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
- A61F2/28—Bones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/02—Inorganic materials
- A61L27/04—Metals or alloys
- A61L27/06—Titanium or titanium alloys
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
- A61L27/18—Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified 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
-
- 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
-
- 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
- A61F2002/30316—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
- 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
- A61F2310/00023—Titanium or titanium-based alloys, e.g. Ti-Ni alloys
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/02—Materials or treatment for tissue regeneration for reconstruction of bones; weight-bearing implants
Abstract
The present invention provides a kind of stretchable Artificial Rib of band peek coatings, including：First stretching structure, the second stretching structure and elongated cavity；First stretching structure, one end of the second stretching structure are the first connection end, second connection end, and the first stretching structure, the other end of the second stretching structure are built in the both ends of elongated cavity respectively, and can be stretched out respectively out of elongated cavity；First stretching structure, the second stretching structure and elongated cavity use titanium alloy, and titanium alloy outer surface scribbles peek layers.The present invention solves the problems, such as that Artificial Rib is using the human body poisoning caused by titanium alloy in the prior art.Skeleton and material good combination can be made, peek materials have rejection and other adverse reactions will not be produced between good biocompatibility and human body in itself.
Description
Technical field
The present invention relates to artifical bone's technical field, more particularly to a kind of stretchable Artificial Rib of band peek coatings.
Background technology
The defect of existing Artificial Rib is repaired by titanium alloy web plate mostly, and titanium alloy web plate has intensity height, nothing
Toxicity, there is the characteristics of good biocompatibility with human body, but because titanium alloy web plate is a kind of metal material, scientific research
It was found that titanium alloy web plate, which is located in human body, can occur electrochemical reaction, electrochemical corrosion is produced, human body can be made in human body for a long time
Tissue around titanium alloy web plate blacks, or even produces necrosis phenomena.It is totally unfavorable to human body to be chronically implanted this.
The content of the invention
The present invention provides a kind of stretchable Artificial Rib of band peek coatings, to overcome above-mentioned technical problem.
A kind of stretchable Artificial Rib of band peek coatings of the present invention, including：
First stretching structure, the second stretching structure and elongated cavity；
Described first stretching structure one end is the first connection end, and described second stretching structure one end is second connection end, institute
State the first stretching structure, the other end of second stretching structure is built in the both ends of the elongated cavity respectively, and can be from described
Stretched out respectively in elongated cavity；
The inside of the elongated cavity sets drawing and pulling type track, and first stretching structure and the second stretching structure are placed in described
The both sides of one end in elongated cavity are provided with limiting tooth, and the both sides of the track are respectively arranged with what is matched with the limiting tooth
Position limiting structure, the inclined-plane of the limiting tooth and the angle of draw direction are more than 90 degree, and first stretching structure and second stretch
The position that the middle part of structure corresponds to the limiting tooth opens up groove；
First stretching structure, the second stretching structure and elongated cavity use titanium alloy, and the titanium alloy outer surface applies
There are peek layers.
Further, the peek layers include：Be covered in the titanium alloy surface basic unit and be arranged at the basic unit it
On top layer, the top layer is equidistant rough honeycomb.
Further, first stretching structure and the second stretching structure are located at first limiting tooth of draw direction correspondingly
Groove front end the first limited block is set, the elongated cavity be provided at both ends with it is the second of the described first spacing Block- matching spacing
Block.
Further, the width of first limited block is less than the width of the groove, the both sides of first limited block
First side groove and second side groove, the first side groove, the second side groove and described first are set
The overall width of limited block is equal with the groove, and the length of the first side groove and the second side groove is more than described
The top of the length of first limited block, the first side groove and the second side groove sets circular hole, first side
Injection peek materials in side groove and the second side groove.
Further, the limiting tooth is right angled triangle teeth, and the position limiting structure is pair raised on the track
Set one's teeth on edge or the neck in the track.
Further, the height of the limiting tooth is successively decreased successively along draw direction, and the groove and the described first stretching
Structure, the distance at the second stretching structure edge reduce along the draw direction.
Further, the joining place of the elongated cavity and first stretching structure, second stretching structure, which is set, seals
Closed loop, described closed-loop one end and the elongated cavity clamping, the other end set reinforcing ring.
The present invention solves the problems, such as that Artificial Rib is using the human body poisoning caused by titanium alloy in the prior art.It can make one
Body bone and material good combination, peek materials have in itself will not be produced between good biocompatibility and human body rejection and
Other adverse reactions.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of stretchable Artificial Rib structural representation of band peek coatings of the present invention；
Fig. 2 is the structural representation of inventive closure ring；
Fig. 3 is the enlarged fragmentary cross section at A in Fig. 2；
Fig. 4 is another enlarged fragmentary cross section at A in Fig. 2；
Fig. 5 is the structural representation of limited block of the present invention；
Fig. 6 is the enlarged fragmentary cross section at A in Fig. 2；
Fig. 7 is the honeycomb schematic diagram of Peek coatings of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is a kind of stretchable Artificial Rib structural representation of band peek coatings of the present invention, as shown in figure 1, this implementation
The stretchable Artificial Rib of example can include：
First stretching structure 1, the second stretching structure 2 and elongated cavity 3；
Described one end of first stretching structure 1 is the first connection end, and described one end of second stretching structure 2 is second connection end,
First stretching structure 1, the other end of second stretching structure 2 are built in the both ends of the elongated cavity 3 respectively, and can be from
Stretched out respectively in the elongated cavity 3；
The inside of the elongated cavity 3 sets drawing and pulling type track, and the stretching structure 2 of the first stretching structure 1 and second is placed in
The both sides of one end in the elongated cavity 3 are provided with limiting tooth 5, and the both sides of the track are respectively arranged with and the limiting tooth 5
The position limiting structure to match, the inclined-plane of the limiting tooth 5 and the angle of draw direction are more than 90 degree, first stretching structure 1
The position that the limiting tooth 5 is corresponded to the middle part of the second stretching structure 2 opens up groove 13；
First stretching structure, the second stretching structure and elongated cavity use titanium alloy, and the titanium alloy outer surface applies
There are peek layers.
Specifically, the Artificial Rib of the present embodiment includes three parts：First stretching structure 1, the second stretching structure 2 and
Elongated cavity 3, one end of the stretching structure 2 of the first stretching structure 1 and second are built in the both ends of the elongated cavity 3 respectively, and can
To out-draw in from the elongated cavity 3.The other end of the stretching structure 2 of first stretching structure 1 and second is respectively the first connection
End and second connection end.When the present embodiment Artificial Rib is placed horizontally in thoracic cavity, first connection end can connect vertebra,
Then second connection end connection breastbone.Or first connection end connection breastbone, then second connection end connection vertebra.This is not subject to
Limit.When the present embodiment Artificial Rib is longitudinally placed in thoracic cavity, first connection end and second connection end can connect
Other ribs in lower direction.The inclined-plane of limiting tooth 5 and the angle of draw direction are more than 90 degree, reduce the first stretching structure 1 or
Comparative resistance when second stretching structure 2 pulls out between the position limiting structure of track both sides.
First stretching structure 1 and the first stretching structure 2 can be in same level, in order to shorten the length of elongated cavity 3,
Can also be in elongated cavity 3 two layers up and down of first stretching structure 1 and the second stretching structure 2.The Artificial Rib of the present embodiment
Each part is using titanium alloy outer surface spraying Peek layers.Peek has a self lubricity, good biocompatibility, and its
Modulus of elasticity can adjust the modulus of elasticity of the artificial bone of titanium alloy preparation, be allowed to and human skeleton's springform as people's bone
Amount preferably matching, toughness and intensity are high.
As shown in fig. 7, further, the peek layers include：It is covered in the basic unit of the titanium alloy surface and is arranged at
Top layer on the basic unit, the top layer are equidistant rough honeycomb 19.
Specifically, titanium alloy surface is completely covered for the basic unit of the present embodiment peek layers.Make up the people of titanium alloy preparation
Work flexible bone modulus has caused by larger difference compared with human skeleton, and stress shielding, bone information, bone inflammation are produced after being implanted into human body
The problems such as.Top layer on herein, for equidistant rough honeycomb.The honeycomb is specifically in 3D printing process
In each column or row be wavy surfaces, differ 1/2 crest between an adjacent row or column.By that analogy, between top layer formation etc.
Away from rough honeycomb 19.Be advantageous to surrounding tissue and seek connections with growth.
As shown in figure 5, the stretching structure 2 of the first stretching structure 1 and second is located at first limiting tooth of draw direction
The corresponding front end of groove 13 sets the first limited block 9, and the elongated cavity 3 is provided at both ends with what is matched with first limited block 9
Second limited block 12.
Specifically, when the first stretching structure 1 and the second stretching structure 2 are acted on down by external force and stretched out to limiting tooth
During end, to prevent the limiting tooth stretches out elongated cavity 3 from causing to damage to tissue, the is set in the front end of stretching structure groove 13
One limited block 9, the second limited block 12 that the both ends of elongated cavity 3 are set.Second limited block 12 matches with the first limited block 9, resistance
Gear stretching structure continues to stretch out.First limited block 9 can be arranged at the top of stretching structure, can also be arranged at stretching knot
The bottom of structure, it can also be set simultaneously in top and bottom.Second limited block 12 is arranged at according to the position that the first limited block 9 is set
Top, bottom or the top and bottom of elongated cavity 3 are set simultaneously.
As shown in figure 4, the width of first limited block 9 is less than the width of the groove 13, first limited block 9
Both sides set first side groove 7 and second side groove 9, the first side groove 7, the second side groove 8 and
The overall width of first limited block 9 is equal with the groove 13, the first side groove 7 and the second side groove 8
Length be more than the length of first limited block 9, the top of the first side groove 7 and the second side groove 8 is set
Circular hole 18 is put, injects peek materials in the first side groove 7 and the second side groove 8.
Specifically, first limited block 9 and the first side groove 7 and second side groove 8 of its both sides of the present embodiment
Beam overall it is equal with the width of groove 13.Due to groove 13 when the first stretching structure 1 and the second stretching structure 2 stretch out motion
By the stress that limiting tooth 5 is inside.The circular hole 18 on the top of first side groove 7 and the second side groove 8 has disperseed logical
The stress of the end of groove 13.Prevent the first stretching structure 1 and the second stretching structure 2 from being cleaved in the presence of stress.First side
Injection peek materials in side groove 7 and the second side groove 8, because peek materials are flexible, so as to buffer first
The impulse force of the limited block 12 of limited block 9 and second.Prevent because Artificial Rib damage and caused by tissue secondary injury.
Further, the height of the limiting tooth 5 is successively decreased successively along draw direction, and the groove 13 is drawn with described first
Stretch structure 1, the distance at the edge of the second stretching structure 2 reduces along the draw direction.
Specifically, as the growth of human body, the hardness of bone increase therewith.First stretching structure 1 and the second stretching knot
Structure 2 stretches out stress and also become larger.Therefore, the height of limiting tooth 5 is successively decreased successively along draw direction.Namely the limit of inner terminal
Position tooth height is maximum.The height increase of corresponding limiting tooth, limiting tooth also increase to the stress of stretching structure, therefore groove 13 and the
The distance at one stretching structure 1 and the edge of the second stretching structure 2 reduces along the draw direction.The change of the height and distance is entered
One step is adapted with human body production process, extends the service life of Artificial Rib.
As shown in Figure 3 and Figure 4, further, the limiting tooth 5 is right angled triangle teeth, and the position limiting structure is institute
State double set one's teeth on edge 6 or the necks 10 in the track raised on track.
Specifically, Artificial Rib first stretching structure 1 of the present embodiment and the second stretching structure 2 pass through in elongated cavity 3
The drawing and pulling type track that portion is set completes biaxial tension.First stretching structure 1 and the second stretching structure 2 are placed in the elongated cavity 3
One end is provided with limiting tooth 5, as shown in figure 3, the limiting tooth 5 is triangle teeth, the position limiting structure be with it is described spacing
Reverse double of tooth 5 set one's teeth on edge 6；As shown in figure 4, the limiting tooth 5 is triangle teeth, the position limiting structure can also be with it is described
The reverse neck 10 of limiting tooth 5.Limiting tooth can also be other shapes.When the first stretching structure 1 and the second stretching structure 2 from
It is spacing by the first stretching structure 1 and the groove 13 of the inside of the second stretching structure 2 setting when being stretched out inside the elongated cavity 3
Tooth 5 inwardly deforms upon, and moves out to position limiting structure opening position, and the position limiting structure prevents counter motion.
Further, as shown in Fig. 2 the elongated cavity 3 and first stretching structure 1, second stretching structure 2
Joining place sets closed-loop 11, described one end of closed-loop 11 and the elongated cavity clamping, and the other end sets reinforcing ring.
Specifically, as shown in fig. 6, in elongated cavity 3 and first stretching structure 1, the second stretching structure 2 in the present embodiment
Junction sets closed-loop 11, and the closed-loop 11 can prevent tissue from growing into elongated cavity.Cause the first stretching structure 1 and second
Stretching structure 2 can not stretch out.The closed-loop 11 and one end of the clamping of elongated cavity 3 can be loop configuration, or saw
Tooth-shape structure, sawtooth 15 is wherein provided with closed-loop 11, the neck 16 to be matched with zigzag fashion is provided with elongated cavity 3.
The other end sets reinforcing ring 14, further strengthens the sealing between the closed-loop 11 and stretching structure.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (7)
- A kind of 1. stretchable Artificial Rib of band peek coatings, it is characterised in that including：First stretching structure, the second stretching structure and elongated cavity；Described first stretching structure one end is the first connection end, and described second stretching structure one end is second connection end, described One stretching structure, the other end of second stretching structure are built in the both ends of the elongated cavity respectively, and can be from the stretching Intracavitary stretches out respectively；The inside of the elongated cavity sets drawing and pulling type track, and first stretching structure and the second stretching structure are placed in the stretching The both sides of one end of intracavitary are provided with limiting tooth, the both sides of the track be respectively arranged with match with the limiting tooth it is spacing Structure, the inclined-plane of the limiting tooth and the angle of draw direction are more than 90 degree, first stretching structure and the second stretching structure Middle part correspond to the position of the limiting tooth and open up groove；First stretching structure, second stretching structure and the elongated cavity use titanium alloy, the titanium alloy appearance Face scribbles peek layers.
- 2. the Artificial Rib attachment structure of band peek coatings according to claim 1, it is characterised in that the peek layers bag Include：The basic unit of the titanium alloy surface and the top layer being arranged on the basic unit are covered in, the top layer is recessed at equal intervals Convex uneven honeycomb.
- 3. the stretchable Artificial Rib of band peek coatings according to claim 1, it is characterised in that the first stretching knot Structure and the second stretching structure are located at groove front end corresponding to first limiting tooth of draw direction and set the first limited block, the drawing Stretch chamber and be provided at both ends with the second limited block with the described first spacing Block- matching.
- 4. the stretchable Artificial Rib of band peek coatings according to claim 3, it is characterised in that first limited block Width be less than the width of the groove, the both sides of first limited block set first side groove and second side groove, The overall width of the first side groove, the second side groove and first limited block is equal with the groove, institute The length of first side groove and the second side groove is stated more than the length of first limited block, the first side leads to The top of groove and the second side groove sets circular hole, is injected in the first side groove and the second side groove Peek materials.
- 5. the stretchable Artificial Rib of band peek coatings according to claim 1, it is characterised in that the limiting tooth is straight Angle triangle teeth, the position limiting structure are raised on the track double to set one's teeth on edge or the neck in the track.
- 6. the stretchable Artificial Rib of band peek coatings according to claim 1, it is characterised in that the height of the limiting tooth Degree successively decreases successively along draw direction, and the groove and first stretching structure, the distance at the second stretching structure edge are along institute State draw direction reduction.
- 7. the stretchable Artificial Rib of band peek coatings according to claim 1, it is characterised in that the elongated cavity and institute State the first stretching structure, the joining place of second stretching structure sets closed-loop, described closed-loop one end and the elongated cavity Clamping, the other end set reinforcing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710912090.5A CN107874873B (en) | 2017-09-29 | 2017-09-29 | Stretchable artificial rib with peek coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710912090.5A CN107874873B (en) | 2017-09-29 | 2017-09-29 | Stretchable artificial rib with peek coating |
Publications (2)
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|---|---|---|---|---|
| CN1046278A (en) * | 1989-03-31 | 1990-10-24 | 全苏医学技术科学研究和实验研究院 | The device that restoration of tubular bone missing portion is used |
| CN101534751A (en) * | 2006-09-15 | 2009-09-16 | 先锋外科技术公司 | Joint arthroplasty devices having articulating members |
| CN101601613A (en) * | 2009-07-07 | 2009-12-16 | 杨立群 | A kind of artificial chest rib |
| CN203379225U (en) * | 2013-07-02 | 2014-01-08 | 珠海稻田医疗科技有限公司 | Artificial rib |
| US20140088654A1 (en) * | 2011-06-01 | 2014-03-27 | Alfred Health | Bone Splint |
| CN209203628U (en) * | 2017-09-29 | 2019-08-06 | 大连派思益科技有限公司 | A kind of stretchable Artificial Rib of band peek coating |
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2017
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046278A (en) * | 1989-03-31 | 1990-10-24 | 全苏医学技术科学研究和实验研究院 | The device that restoration of tubular bone missing portion is used |
| CN101534751A (en) * | 2006-09-15 | 2009-09-16 | 先锋外科技术公司 | Joint arthroplasty devices having articulating members |
| CN101601613A (en) * | 2009-07-07 | 2009-12-16 | 杨立群 | A kind of artificial chest rib |
| US20140088654A1 (en) * | 2011-06-01 | 2014-03-27 | Alfred Health | Bone Splint |
| CN203379225U (en) * | 2013-07-02 | 2014-01-08 | 珠海稻田医疗科技有限公司 | Artificial rib |
| CN209203628U (en) * | 2017-09-29 | 2019-08-06 | 大连派思益科技有限公司 | A kind of stretchable Artificial Rib of band peek coating |
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| CN107874873B (en) | 2024-01-23 |
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