CN109363804A - Anchoring device - Google Patents
Anchoring device Download PDFInfo
- Publication number
- CN109363804A CN109363804A CN201811447777.7A CN201811447777A CN109363804A CN 109363804 A CN109363804 A CN 109363804A CN 201811447777 A CN201811447777 A CN 201811447777A CN 109363804 A CN109363804 A CN 109363804A
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- CN
- China
- Prior art keywords
- anchor plate
- anchoring
- pawl
- anchoring device
- segmental arc
- Prior art date
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Classifications
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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
- A61F2/28—Bones
- A61F2/2846—Support means for bone substitute or for bone graft implants, e.g. membranes or plates for covering bone defects
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- Health & Medical Sciences (AREA)
- Transplantation (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The present invention provides a kind of anchoring devices, comprising: anchor plate, including microcellular structure layer；It is anchored pawl, is arranged on the inner surface of anchor plate.The technical solution of the application efficiently solves the problems, such as that particulate cancellous bone in the prior art and soft tissue fixed effect are poor.
Description
Technical field
The present invention relates to Design for Medical Device technical fields, in particular to a kind of anchoring device.
Background technique
The method for reconstructing of bone defect mainly has particulate cancellous bone and structure bone collection.Particle bone collection is mainly used for Acetabular reconstruction packet
Bone grafting in capacitive bone defect and femoral bone cavitas medullaris, particle bone graft play the role of filling and bracket.New vessels can comparatively fast be grown into
Between bone trabecula between particulate cancellous bone.New bone formation is persistently increased prior to bone resorption, bone graft area mechanical strength.In implantation particulate cancellous bone
In the process, impaction bone grafting technology is usually used, clinical effectiveness generally reaches 10 years 90% or more survival rates.It is needed after particle bone collection
It to cover and wrap up well, be resolved currently without good technology, therefore, usually be covered with steel plate, be formed excessive
Operative treatment.
In addition, since joint replacement process ligament attachment point is removed, or since disease or indirect violence make limbs and pass
Fascia, muscle, ligament excessive distortion around saving, drawing, cause that ligament injury or tearing can be caused, ligament end are needed to add
It is strong fixed.Currently, clinically general reconnected soft tissue and bone by band line holdfast, fixation is torn in holdfast embedment sclerotin
Tendon tissue is split, to achieve the purpose that tendon-bone healing.What this kind was embodied with line holdfast is that tie tendon tight with line fixed to realize
Mode, long-term effect are unsatisfactory.
Summary of the invention
The present invention is intended to provide a kind of anchoring device, to solve, particulate cancellous bone and soft tissue fixed effect are poor in the prior art
The problem of.
To achieve the goals above, the present invention provides a kind of anchoring devices, comprising: anchor plate, including microcellular structure layer；
It is anchored pawl, is arranged on the inner surface of anchor plate.
Further, anchor plate further includes substrate layer, and the inside of substrate layer is arranged in microcellular structure layer.
Further, surface of the substrate layer far from microcellular structure layer is polished surface.
Further, the cross section and longitudinal section of anchor plate are arcuate structure.
Further, anchor plate and anchoring pawl are made of absorbable material, alternatively, anchoring pawl is made of memorial alloy.
Further, the edge limited flat shape out of anchor plate is ellipse or rectangle.
Further, positioning groove is provided on surface of the anchor plate far from anchoring pawl.
Further, positioning groove is multiple, and multiple positioning grooves are arranged along the length direction interval of anchor plate.
Further, anchoring device further includes fixed hawser, and fixed hawser is adapted with positioning groove.
Further, anchor plate is formed by microcellular structure layer, and the thickness of microcellular structure layer is in 1mm between 3.5mm.
Further, anchor plate includes substrate layer and microcellular structure layer, the thickness of anchor plate in 3mm between 6mm, micropore
The thickness of structure sheaf is in 1.5mm between 3mm.
Further, the center line for being anchored pawl is evagination camber line.
Further, anchoring pawl extends with gradually tapering up on anchor plate to the direction of separate anchor plate, and anchor
Determine pawl and forms tip far from one end of anchor plate.
Further, anchoring pawl in its vertical section include the first segmental arc and the second segmental arc on the inside of the first segmental arc,
The first end of first segmental arc and the second segmental arc is connect with anchor plate, and the second end of the first segmental arc and the second segmental arc intersects at a point
Form tip.
Further, the height H that anchoring pawl is pierced by from microcellular structure layer is 5mm-10mm, between the first segmental arc and tip
Maximum distance T is 5mm-10mm, and the maximum distance t between the second segmental arc and tip is 1mm-5mm.
It applies the technical scheme of the present invention, anchor plate includes microcellular structure layer.Anchoring pawl is arranged in the anchor plate
On surface.In this application, soft tissue or particulate cancellous bone are fixed on bone bed by anchor plate and anchoring pawl, have limited soft tissue
Or there is loose state outside bone bed in particulate cancellous bone, in turn, soft tissue or particulate cancellous bone can be fixed on bone bed by anchor plate
On.In this application, microcellular structure layer has preferable Bony union, also has good soft tissue and particle Integrated implant energy
Power.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the perspective diagram of the embodiment of anchoring device according to the present invention；
Fig. 2 shows the C-C of the anchoring device of Fig. 1 to cross-sectional view；
Fig. 3 shows the E-E of the anchoring device of Fig. 1 to cross-sectional view；
The anchoring device that Fig. 4 shows Fig. 1 fixes schematic cross-sectional view when soft tissue；
The anchoring device that Fig. 5 shows Fig. 1 fixes schematic cross-sectional view when particulate cancellous bone；
The schematic perspective view when anchoring device and fixed hawser that Fig. 6 shows Fig. 1 cooperate；
The anchoring device that Fig. 7 shows two Fig. 1 is fixed on schematic cross-sectional view when two sides soft tissue on bone bed；And
Fig. 8 shows the perspective diagram of another embodiment of anchoring device according to the present invention.
Wherein, the above drawings include the following reference numerals:
10, bone bed；20, anchor plate；21, substrate layer；211, polished surface；212, positioning groove；22, it is anchored pawl；221,
First segmental arc；222, the second segmental arc；223, tip；23, microcellular structure layer；30, fixed hawser；40, soft tissue；40a, particle
Bone.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
As shown in Figures 1 to 4, the anchoring device of the present embodiment includes: that anchor plate 20 includes substrate layer 21 and is arranged in base
The microcellular structure layer 23 of 21 inside of plate layer.Anchoring pawl 22 is arranged on the inner surface of anchor plate 20, and specifically, anchoring pawl 22 is arranged
On the inner surface of substrate layer 21.
Using the technical solution of the present embodiment, anchor plate 20 includes substrate layer 21 and is arranged on the inside of the substrate layer 21
Microcellular structure layer 23.Microcellular structure layer 23 has good soft tissue 40 and particulate cancellous bone 40a integration ability.The setting of pawl 22 is anchored to exist
On the inner surface of the anchor plate 20.As shown in Figure 5 and Figure 6, in the present embodiment, anchor plate 20 and anchoring pawl 22 are by soft tissue
40 perhaps particulate cancellous bone 40a be fixed on bone bed 10 and limited soft tissue 40 or particulate cancellous bone 40a and occur outside bone bed 10 loosely
State.In turn, soft tissue 40 or particulate cancellous bone 40a can be fixed on bone bed 10 by anchor plate 20.The structure uses simple
It is convenient.In the present embodiment, microcellular structure layer 23 has preferable Bony union, also has good soft tissue 40 and particle
Bone 40a integration ability.It should be understood that the inner surface of anchor plate 20 is towards the side of bone bed.
Microcellular structure layer 23 and substrate layer 21 can be obtained by 3D printing.Above-mentioned microcellular structure layer 23 forms multiple holes
Gap, similar to trabecular bone structure in the related technology.Bone trabecula in the related technology is extension of the cortical bone in cancellous bone
Point, i.e., bone trabecula is connected with cortical bone.It is in irregular space network in bone network chamber, such as luffa sample or sponge
Shape plays hematopoiesis support tissue.
As shown in Figure 5 and Figure 6, in the present embodiment, the soft tissue on bone bed 10 is dampened in order to prevent, and substrate layer 21 is separate
The surface of microcellular structure layer 23 is polished surface 211.
As shown in figure 5 and figure 7, in order to enable anchor plate 20 to be fitted on bone bed 10, convenient for fixed soft tissue 40, anchoring
The cross section and longitudinal section of plate 20 are arcuate structure.
As shown in Figures 2 and 3, substrate layer 21 and anchoring pawl 22 are made of absorbable material.Substrate layer 21 and anchoring
Pawl 22 is preferably magnesium alloy material.In this way, convenient between substrate layer 21 and anchoring pawl 22 and soft tissue 40 or particulate cancellous bone 40a
Fusion is realized, convenient for the healing of bone bed 10.
In other embodiments, anchoring pawl 22 is made of memorial alloy.When anchoring pawl 22 is implanted into bone bed 10 in this way,
The shape that pawl 22 is anchored under the variation of temperature can deform, so that being anchored, pawl 22 is even closer to be merged with bone bed 10.In turn, anchor
The fixed soft tissue 40 of fixed board 20 and particulate cancellous bone 40a have more preferably synergy.
As shown in Figure 1, in the present embodiment, in order to which the processing of anchor plate 20 is convenient for molding, anchor plate 20 it is edge limited go out
Flat shape be rectangle, specially round rectangle.Preferably, the size B of the length of rectangle is 15mm to 30mm, the ruler of width
Very little A is 10mm to 20mm.
As shown in figure 8, in other embodiments, the edge limited flat shape out of anchor plate 20 is ellipse.Preferably,
The size B1 of elliptical long axis is 20mm to 40mm, and the size A1 of minor axis is 10mm to 20mm.
As shown in Figure 1 to Figure 3, it is entangled on the surface of anchor plate 20 to fix device, anchor plate 20 is far from anchoring pawl 22
Surface on be provided with positioning groove 212.
As shown in Figure 1 to Figure 3, in the present embodiment, in order to wind conveniently, positioning groove 212 can be set to three, and three
A positioning groove is arranged along the length direction interval of anchor plate 20.In other figs. in unshowned embodiment, on anchor plate
The quantity of positioning groove is not limited to three, and quantity can also be two, four or more.
As shown in figure 8, in other embodiments, the quantity of positioning groove is two, anchor plate 20 is far from anchoring pawl 22
Surface on positioning groove be distributed in anchoring pawl 22 between.In this way, the setting of positioning groove will not weaken anchor plate 20 certainly
The intensity of body.
As shown in Figure 6 and Figure 7, anchoring device further includes fixed hawser 30, and fixed hawser 30 and 212 phase of positioning groove are suitable
Match.Fixed hawser 30 is preferably wirerope, and such anchoring device, which is fixed on bone bed 10, becomes more reliable.
As shown in Figures 2 and 3, in the present embodiment, when anchor plate 20 is implanted to load biggish region, such as human body
Lower limb, anchor plate 20 needs certain structural strength, prevents anchor plate 20 from bearing biggish external force and be damaged.Anchor plate 20
Including substrate layer 21 and microcellular structure layer 23, in 3mm between 6mm, the thickness of microcellular structure layer 23 exists the thickness of anchor plate 20
1.5mm is between 3mm.
As shown in Figure 1, in the present embodiment, the quantity of anchoring pawl 22 is four, the setting that anchoring pawl 22 is spaced is being anchored
Plate 20 is towards on the side of microcellular structure layer 23.Particulate cancellous bone 40a or soft tissue 40 can be pressed in the pre- of bone bed 10 by anchoring pawl 22
On phase attachment position.Particulate cancellous bone 40a or soft tissue 40 are between multiple anchoring pawls 22.Unshowned embodiment in other figs.
In, the quantity for being anchored pawl 22 can be two, three, five or more.
As shown in Fig. 2, Fig. 4 and Fig. 5, the center line of anchoring pawl 22 is evagination camber line.Since anchoring pawl 22 is in curved shape, if
Pawl 22 will be anchored from when the extraction of bone bed 10, there can be biggish pull-out resistance.In turn, there is anchoring pawl 22 resistance to plucking to go out bone bed 10
Effect.In this way, particulate cancellous bone 40a and soft tissue 40 can be firmly pressed against on expected attachment position by anchoring pawl 22.
As shown in Fig. 2, Fig. 4 and Fig. 5, anchoring pawl 22 is gradually received on anchor plate 20 to the direction of separate anchor plate 20
Contracting ground extends, and is anchored pawl 22 and forms tip 223 far from one end of anchor plate 20.It is convenient for fixed with bone bed 10 in tip 223.
As shown in Figures 2 and 3, anchoring pawl 22 includes the first segmental arc 221 in its vertical section and is located in the first segmental arc 221
The first end of second segmental arc 222 of side, the first segmental arc 221 and the second segmental arc 222 is connect with anchor plate 20, the first segmental arc 221
It intersects at a point to form tip 223 with the second end of the second segmental arc 222.The segmental arc radius of first segmental arc 221 is preferably for R1
The segmental arc radius R2 of 38.81mm or so, the second segmental arc 222 are preferably 53.31mm or so, so that the shape of the first segmental arc 221
The shape of shape and the second segmental arc 222 more standardizes, in this way, anchoring pawl 22 is convenient in implantation bone bed 10, while having very big
Resistance to plucking goes out the resistance of bone bed 10.
As shown in Fig. 2, the height H that anchoring pawl 22 is pierced by from microcellular structure layer 23 is 5mm-10mm, the first segmental arc 221 and point
Maximum distance T between end 223 is 5mm-10mm or so, and the maximum distance t between the second segmental arc 222 and tip 223 is 1mm-
5mm or so.When anchoring pawl 22 is implanted in bone bed 10 in this way, guarantee the first segmental arc 221 and the second segmental arc 222 in bone bed 10 still
So it is in curved shape, ensure that the ability that anchoring 22 resistance to plucking of pawl goes out bone bed 10.
In embodiment not shown in the figure, it can also be not provided with substrate layer, microcellular structure layer is only set.Anchoring device
When being implanted to the lesser region of load, for example the upper limb of human body, the bonding strength of anchor plate 20 suitably reduce.At this point, anchoring
Plate muscle is formed by microcellular structure layer.Certainly, it is contemplated that processing problems and guarantee certain intensity, the thickness of microcellular structure layer exists
1mm is between 3.5mm.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of anchoring device characterized by comprising
Anchor plate (20), including microcellular structure layer (23)；
It is anchored pawl (22), is arranged on the inner surface of the anchor plate (20).
2. anchoring device according to claim 1, which is characterized in that the anchor plate (20) further includes substrate layer (21),
Inside of microcellular structure layer (23) setting in the substrate layer (21).
3. anchoring device according to claim 2, which is characterized in that the substrate layer (21) is far from the microcellular structure layer
(23) surface is polished surface (211).
4. anchoring device according to claim 1, which is characterized in that the cross section and longitudinal section of the anchor plate (20) are equal
For arcuate structure.
5. anchoring device according to claim 1, which is characterized in that the anchor plate (20) and the anchoring pawl (22) are equal
It is made of absorbable material, alternatively, the anchoring pawl (22) is made of memorial alloy.
6. anchoring device according to claim 1, which is characterized in that the anchor plate (20) is far from the anchoring pawl (22)
Surface on be provided with positioning groove (212).
7. anchoring device according to claim 6, which is characterized in that the anchoring device further includes fixed hawser (30),
The fixed hawser (30) is adapted with the positioning groove (212).
8. anchoring device according to claim 1, which is characterized in that the anchor plate (20) is by the microcellular structure layer
(23) it is formed, the thickness of the microcellular structure layer (23) is in 1mm between 3.5mm.
9. anchoring device according to claim 2, which is characterized in that the anchor plate (20) includes the substrate layer (21)
With the microcellular structure layer (23), the thickness of the anchor plate (20) in 3mm between 6mm, the microcellular structure layer (23)
Thickness is in 1.5mm between 3mm.
10. anchoring device according to claim 1, which is characterized in that the center line of anchoring pawl (22) is outer convex arc
Line.
11. anchoring device according to claim 1, which is characterized in that the anchoring pawl (22) is close to the anchor plate
(20) extremely extend with gradually tapering up on the direction far from the anchor plate (20), and the anchoring pawl (22) is far from the anchoring
One end of plate (20) forms tip (223).
12. anchoring device according to claim 11, which is characterized in that the anchoring pawl (22) includes in its vertical section
First segmental arc (221) and the second segmental arc (222) being located on the inside of first segmental arc (221), first segmental arc (221) and institute
The first end for stating the second segmental arc (222) is connect with the anchor plate (20), first segmental arc (221) and second segmental arc
(222) second end intersects at a point to form the tip (223).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811447777.7A CN109363804B (en) | 2018-11-29 | 2018-11-29 | Anchoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811447777.7A CN109363804B (en) | 2018-11-29 | 2018-11-29 | Anchoring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109363804A true CN109363804A (en) | 2019-02-22 |
| CN109363804B CN109363804B (en) | 2021-04-30 |
Family
ID=65374943
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811447777.7A Active CN109363804B (en) | 2018-11-29 | 2018-11-29 | Anchoring device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109363804B (en) | 2021-04-30 |
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